[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.35 (8 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 14571397/tftp-deploy-ty44z9tw/kernel/zImage tftp 0x10000000 14571397/tftp-deploy-ty44z9tw/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '14571397/tftp-deploy-ty44z9tw/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 6.3 MiB/s done Bytes transferred = 12554752 (bf9200 hex) => tftp 0x14000000 14571397/tftp-deploy-ty44z9tw/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 14571397/tftp-deploy-ty44z9tw/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '14571397/tftp-deploy-ty44z9tw/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################################################## 13.7 MiB/s done Bytes transferred = 16106628 (f5c484 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 14571397/tftp-deploy-ty44z9tw/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 14571397/tftp-deploy-ty44z9tw/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '14571397/tftp-deploy-ty44z9tw/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 3.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14571397/extract-nfsrootfs-2jbnypvf,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14571397/extract-nfsrootfs-2jbnypvf,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf9200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 16106564 Bytes = 15.4 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d6a4 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.218-cip49 (KernelCI@build-j244725-arm-gcc-10-multi-v7-defconfig-kselftest-8wnv6) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jun 25 11:54:46 UTC 2024 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14571397/extract-nfsrootfs-2jbnypvf,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 920724K/1048576K available (17408K kernel code, 2714K rwdata, 8152K rodata, 2048K init, 6693K bss, 62316K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 56166 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008447] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022953] Console: colour dummy device 80x30 <4>[ 0.024861] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032869] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037213] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041625] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046258] ... CLASSHASH_SIZE: 4096 <4>[ 0.050846] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055566] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060242] ... CHAINHASH_SIZE: 32768 <4>[ 0.064939] memory used by lock dependency info: 4061 kB <4>[ 0.070618] memory used for stack traces: 2112 kB <4>[ 0.075665] per task-struct memory footprint: 1536 bytes <6>[ 0.081354] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091770] CPU: Testing write buffer coherency: ok <6>[ 0.096906] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102179] pid_max: default: 32768 minimum: 301 <6>[ 0.107377] LSM: Security Framework initializing <6>[ 0.111999] LSM support for eBPF active <6>[ 0.116153] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123597] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135047] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141601] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147964] rcu: Hierarchical SRCU implementation. <6>[ 0.159253] EFI services will not be available. <6>[ 0.162314] smp: Bringing up secondary CPUs ... <6>[ 0.168842] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168858] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180626] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180640] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192069] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192084] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201120] smp: Brought up 1 node, 4 CPUs <6>[ 0.204828] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211364] CPU: All CPU(s) started in SVC mode. <6>[ 0.218590] devtmpfs: initialized <6>[ 0.266902] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274309] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282255] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293952] pinctrl core: initialized pinctrl subsystem <6>[ 0.302879] DMI not present or invalid. <6>[ 0.306349] NET: Registered protocol family 16 <6>[ 0.318425] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.331108] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.331605] cpuidle: using governor menu <6>[ 0.339723] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.976833] vdd1p1: supplied by regulator-dummy <6>[ 1.005711] vdd3p0: supplied by regulator-dummy <6>[ 1.034151] vdd2p5: supplied by regulator-dummy <6>[ 1.062735] vddarm: supplied by regulator-dummy <6>[ 1.092052] vddpu: supplied by regulator-dummy <6>[ 1.119792] vddsoc: supplied by regulator-dummy <6>[ 2.253697] No ATAGs? <6>[ 2.254512] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.261733] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.284502] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.313907] Serial: AMBA PL011 UART driver <6>[ 2.370288] Kprobes globally optimized <6>[ 2.473205] iommu: Default domain type: Translated <6>[ 2.477690] vgaarb: loaded <5>[ 2.482666] SCSI subsystem initialized <6>[ 2.486180] usbcore: registered new interface driver usbfs <6>[ 2.489822] usbcore: registered new interface driver hub <6>[ 2.495346] usbcore: registered new device driver usb <6>[ 2.507340] i2c i2c-0: IMX I2C adapter registered <6>[ 2.515372] i2c i2c-1: IMX I2C adapter registered <6>[ 2.521501] i2c i2c-2: IMX I2C adapter registered <6>[ 2.527745] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.530141] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.539647] PTP clock support registered <6>[ 2.558522] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.318265] NET: Registered protocol family 2 <6>[ 4.320876] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.330732] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.336741] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.344851] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.353561] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.360059] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.366649] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.373551] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.381281] NET: Registered protocol family 1 <6>[ 4.387661] RPC: Registered named UNIX socket transport module. <6>[ 4.391454] RPC: Registered udp transport module. <6>[ 4.396291] RPC: Registered tcp transport module. <6>[ 4.401317] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.407971] NET: Registered protocol family 44 <6>[ 4.412733] PCI: CLS 0 bytes, default 64 <6>[ 4.419215] Trying to unpack rootfs image as initramfs... <6>[ 6.252244] Freeing initrd memory: 15732K <4>[ 6.254750] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.262112] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.277456] Initialise system trusted keyrings <6>[ 6.280463] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.328142] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.334623] NFS: Registering the id_resolver key type <5>[ 6.337275] Key type id_resolver registered <5>[ 6.341630] Key type id_legacy registered <6>[ 6.346322] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.352889] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.360633] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.366904] Key type asymmetric registered <5>[ 6.369547] Asymmetric key parser 'x509' registered <6>[ 6.374815] bounce: pool size: 64 pages <6>[ 6.378797] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.386329] io scheduler mq-deadline registered <6>[ 6.391097] io scheduler kyber registered <4>[ 6.396101] test_firmware: interface ready <6>[ 6.555658] mxs-dma 110000.dma-controller: initialized <4>[ 6.615017] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.623133] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.829881] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.851535] SuperH (H)SCI(F) driver initialized <6>[ 6.856133] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.867051] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.873610] printk: console [ttymxc1] enabled <6>[ 6.873610] printk: console [ttymxc1] enabled <6>[ 6.882390] printk: bootconsole [ec_imx21] disabled <6>[ 6.882390] printk: bootconsole [ec_imx21] disabled <6>[ 6.898238] msm_serial: driver initialized <6>[ 6.903686] STMicroelectronics ASC driver initialized <6>[ 6.914928] STM32 USART driver initialized <6>[ 6.939627] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.959608] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.968166] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.976086] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.025273] brd: module loaded <6>[ 7.070472] loop: module loaded <6>[ 7.076705] lkdtm: No crash points registered, enable through debugfs <6>[ 7.097415] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.105723] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.114072] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.122649] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.130910] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.139302] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.147215] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.158774] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.166055] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.175196] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.189310] scsi host0: ahci-imx <6>[ 7.194834] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.253599] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.266848] pps pps0: new PPS source ptp0 <6>[ 7.314647] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.325121] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.330428] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.336851] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.342583] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.368100] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.375991] usbcore: registered new interface driver pegasus <6>[ 7.382167] usbcore: registered new interface driver asix <6>[ 7.387982] usbcore: registered new interface driver ax88179_178a <6>[ 7.394536] usbcore: registered new interface driver cdc_ether <6>[ 7.400887] usbcore: registered new interface driver smsc75xx <6>[ 7.407119] usbcore: registered new interface driver smsc95xx <6>[ 7.413330] usbcore: registered new interface driver net1080 <6>[ 7.419452] usbcore: registered new interface driver cdc_subset <6>[ 7.425798] usbcore: registered new interface driver zaurus <6>[ 7.431933] usbcore: registered new interface driver cdc_ncm <6>[ 7.449392] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.456277] ehci-pci: EHCI PCI platform driver <6>[ 7.461201] ehci-platform: EHCI generic platform driver <6>[ 7.467630] ehci-orion: EHCI orion driver <6>[ 7.472773] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.477834] ehci-st: EHCI STMicroelectronics driver <6>[ 7.483820] ehci-exynos: EHCI Exynos driver <6>[ 7.489092] ehci-atmel: EHCI Atmel driver <6>[ 7.494135] tegra-ehci: Tegra EHCI driver <6>[ 7.499286] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.505824] ohci-pci: OHCI PCI platform driver <6>[ 7.510743] ohci-platform: OHCI generic platform driver <6>[ 7.517110] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.522227] ohci-st: OHCI STMicroelectronics driver <6>[ 7.528147] ohci-atmel: OHCI Atmel driver <6>[ 7.536337] usbcore: registered new interface driver usb-storage <6>[ 7.541164] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.548702] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.555268] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.571935] i2c /dev entries driver <6>[ 7.648934] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.655410] sdhci: Copyright(c) Pierre Ossman <6>[ 7.668765] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.681704] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.691187] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.691196] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.702026] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.708615] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.718251] usbcore: registered new interface driver usbhid <6>[ 7.724191] usbhid: USB HID core driver <6>[ 7.729630] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.742371] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.750495] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.758634] IPv4 over IPsec tunneling driver <6>[ 7.767560] NET: Registered protocol family 10 <6>[ 7.777700] Segment Routing with IPv6 <6>[ 7.787212] NET: Registered protocol family 17 <6>[ 7.793690] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.799135] Key type dns_resolver registered <6>[ 7.817189] ThumbEE CPU extension supported. <5>[ 7.821857] Registering SWP/SWPB emulation handler <5>[ 7.829050] Loading compiled-in X.509 certificates <6>[ 7.866421] mmc2: new high speed SDHC card at address 0001 <6>[ 7.875806] mmcblk2: mmc2:0001 SD 14.6 GiB <4>[ 7.899237] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 7.907013] GPT:29296874 != 30560255 <4>[ 7.910990] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.917286] GPT:29296874 != 30560255 <4>[ 7.921183] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.926672] mmcblk2: p1 p2 p3 <4>[ 7.987186] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.995738] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.008313] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.044489] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.059348] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.064826] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.099032] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.118004] hub 1-0:1.0: USB hub found <6>[ 8.122632] hub 1-0:1.0: 1 port detected <6>[ 8.137496] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.167909] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.176401] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.189018] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.216904] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.225458] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.237969] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.254827] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.281500] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.289987] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.302666] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.324282] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 8.408780] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.617039] hub 1-1:1.0: USB hub found <6>[ 8.622027] hub 1-1:1.0: 3 ports detected <4>[ 8.651315] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.659770] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.672475] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.440277] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.458681] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.489667] Sending DHCP requests ., OK <6>[ 11.533134] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.35 <6>[ 11.541674] IP-Config: Complete: <6>[ 11.545242] device=eth0, hwaddr=00:19:b8:08:f1:09, ipaddr=192.168.201.35, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.556137] host=imx6q-sabrelite-lava-cbg-5, domain=lava-rack, nis-domain=(none) <6>[ 11.564392] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.564429] nameserver0=192.168.201.1 <6>[ 11.577880] clk: Disabling unused clocks <6>[ 11.633186] Freeing unused kernel memory: 2048K <6>[ 11.639534] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 16.622712] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 16.665735] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.674361] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.675508] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 16.689330] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.730708] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.739232] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.752929] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.771753] CAN device driver interface <4>[ 16.857539] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.866215] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.897632] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.949830] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.959670] caam 2100000.crypto: Entropy delay = 3200 <6>[ 16.994117] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.018792] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.025636] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 17.025806] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 17.086573] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 17.092099] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 17.099084] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 17.122574] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.131153] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.154148] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.179398] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 17.184294] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.193421] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.204898] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <6>[ 17.205087] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <4>[ 17.223000] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 17.227296] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <4>[ 17.232157] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 17.237547] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <4>[ 17.252063] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.266441] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1 <4>[ 17.291073] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.300373] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.303937] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.315665] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.315938] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.334508] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.343704] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.405554] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.414106] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.439149] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.478416] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.487591] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.496399] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.505229] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.055248] caam algorithms registered in /proc/crypto <6>[ 18.065205] caam 2100000.crypto: registering rng-caam <5>[ 18.194126] random: crng init done <4>[ 18.215622] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.224402] panel-simple panel-lcd: Specify missing connector_type <4>[ 18.238707] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.270477] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.279331] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.287997] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.296726] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:19:b8:08:f1:09 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.35 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-5 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 20.720753] systemd[1]: System time before build time, advancing clock. <30>[ 20.996363] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 21.032766] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 21.103153] systemd[1]: Hostname set to . <30>[ 22.825321] systemd[1]: Queued start job for default target graphical.target. <30>[ 22.844412] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 22.896541] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 22.946440] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 22.994570] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 23.043162] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Started systemd-ask-passwo…quests to Console Directory Watch. <30>[ 23.092412] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Started systemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 23.140609] systemd[1]: proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc). <30>[ 23.162218] systemd[1]: Expecting device dev-ttymxc1.device - /dev/ttymxc1... Expecting device dev-ttymxc1.device - /dev/ttymxc1... <30>[ 23.199088] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 23.239855] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 23.289928] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 23.329747] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 23.379558] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 23.419799] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 23.460687] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 23.513675] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 23.611103] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 23.631456] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 23.686066] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 23.736251] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 23.789649] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 23.831611] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 23.872732] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). <30>[ 23.890215] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). <30>[ 23.914973] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 23.970770] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 24.036868] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 24.101182] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 24.161644] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 24.220685] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 24.279420] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 24.342135] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 24.401381] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <6>[ 24.426172] fuse: init (API version 7.32) <30>[ 24.470635] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 24.540987] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 24.588853] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 24.650053] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 24.709013] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 24.787471] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 24.840666] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 24.895579] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [ OK ] Finished kmod-static-nodes…reate List of Static Device Nodes. <30>[ 24.978078] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 24.988351] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 25.044400] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 25.054464] systemd[1]: Finished modprobe@dm_mod.service - Load Kernel Module dm_mod. [ OK ] Finished modprobe@dm_mod.s…e - Load Kernel Module dm_mod. <30>[ 25.114536] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 25.124732] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. <30>[ 25.184487] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 25.195787] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. <30>[ 25.250759] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@loop.service - Load Kernel Module loop. [ OK ] Finished systemd-modules-l…service - Load Kernel Modules. [ OK ] Finished systemd-network-g…rk units from Kernel command line. [ OK ] Finished systemd-remount-f…ount Root and Kernel File Systems. [ OK ] Reached target network-pre…get - Preparation for Network. Mounting sys-fs-fuse-conne… - FUSE Control File System... Mounting sys-kernel-config…ernel Configuration File System... Starting systemd-journal-f…h Journal to Persistent Storage... Starting systemd-random-se…ice - Load/Save Random Seed... Starting systemd-sysctl.se…ce - Apply Kernel Variables... <46>[ 25.791826] systemd-journald[285]: Received client request to flush runtime journal. Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-tmpfiles-… Volatile Files and Directories... Starting systemd-udevd.ser…ger for Device Events and Files... [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 28.001007] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. <5>[ 28.263832] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 28.273428] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 28.286659] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 28.295832] cfg80211: failed to load regulatory.db [ OK ] Reached target time-set.target - System Time Set. <46>[ 28.336837] systemd-journald[285]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 28.355581] systemd-journald[285]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating. [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Reached target network.target - Network. [ OK ] Found device dev-ttymxc1.device - /dev/ttymxc1. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started apt-daily.timer - Daily apt download activities. [ OK ] Started apt-daily-upgrade.… apt upgrade and clean activities. [ OK ] Started dpkg-db-backup.tim… Daily dpkg database backup timer. [ OK ] Started e2scrub_all.timer…etadata Check for All Filesystems. [ OK ] Started fstrim.timer - Discard unused blocks once a week. [ OK ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories. [ OK ] Reached target timers.target - Timer Units. [ OK ] Reached target usb-gadget.…m - Hardware activated USB gadget. [ OK ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. [ OK ] Reached target basic.target - Basic System. Starting dbus.service - D-Bus System Message Bus... Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting systemd-logind.se…ice - User Login Management... Starting systemd-user-sess…vice - Permit User Sessions... [ OK ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started dbus.service - D-Bus System Message Bus. [ OK ] Started getty@tty1.service - Getty on tty1. [ OK ] Started serial-getty@ttymx…ice - Serial Getty on ttymxc1. [ OK ] Reached target getty.target - Login Prompts. [ OK ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Reached target multi-user.target - Multi-User System. [ OK ] Reached target graphical.target - Graphical Interface. Starting systemd-update-ut… Record Runlevel Change in UTMP... [ OK ] Finished systemd-update-ut… - Record Runlevel Change in UTMP. Debian GNU/Linux 12 debian-bookworm-armhf ttymxc1 debian-bookworm-armhf login: root (automatic login) Linux debian-bookworm-armhf 5.10.218-cip49 #1 SMP Tue Jun 25 11:54:46 UTC 2024 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14571397/extract-nfsrootfs-2jbnypvf' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14571397/extract-nfsrootfs-2jbnypvf' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-14571397/environment . /lava-14571397/environment / # /lava-14571397/bin/lava-test-runner /lava-14571397/0 /lava-14571397/bin/lava-test-runner /lava-14571397/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14571397/0/tests/0_timesync-off ++ cat uuid + UUID=14571397_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-14571397/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14571397_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-41-ga1157ad99348c/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-06-25 12:15:55-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-41-ga1157ad99348c/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1409736 (1.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 3%[ ] 50.15K 189KB/s kselftest_armhf.tar 8%[> ] 119.44K 225KB/s kselftest_armhf.tar 17%[==> ] 235.39K 295KB/s kselftest_armhf.tar 22%[===> ] 310.82K 291KB/s kselftest_armhf.tar 27%[====> ] 378.70K 284KB/s kselftest_armhf.tar 30%[=====> ] 418.29K 270KB/s kselftest_armhf.tar 33%[=====> ] 456.47K 258KB/s kselftest_armhf.tar 35%[======> ] 483.34K 243KB/s kselftest_armhf.tar 38%[======> ] 530.00K 240KB/s kselftest_armhf.tar 41%[=======> ] 576.67K 233KB/s kselftest_armhf.tar 45%[========> ] 624.75K 228KB/s kselftest_armhf.tar 49%[========> ] 678.48K 225KB/s eta 3s kselftest_armhf.tar 53%[=========> ] 733.63K 224KB/s eta 3s kselftest_armhf.tar 56%[==========> ] 776.98K 217KB/s eta 3s kselftest_armhf.tar 60%[===========> ] 826.96K 217KB/s eta 3s kselftest_armhf.tar 62%[===========> ] 866.07K 211KB/s eta 2s 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100%[===================>] 1.34M 131KB/s in 7.9s 2024-06-25 12:16:04 (173 KB/s) - 'kselftest_armhf.tar.gz' saved [1409736/1409736] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 65.908650] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 66.884346] lkdtm: Performing direct entry BUG <4>[ 66.889469] ------------[ cut here ]------------ <2>[ 66.894360] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 66.899856] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 66.905265] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 66.937675] CPU: 1 PID: 736 Comm: cat Not tainted 5.10.218-cip49 #1 <4>[ 66.944231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 66.951065] PC is at lkdtm_BUG+0x14/0x18 <4>[ 66.955280] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 66.960011] pc : [] lr : [] psr: a0080013 <4>[ 66.966564] sp : c4105e58 ip : c4105e68 fp : c4105e64 <4>[ 66.972073] r10: 00000004 r9 : c1ad6f68 r8 : c15ec020 <4>[ 66.977582] r7 : c4105f60 r6 : 00000004 r5 : c63c9000 r4 : 00000001 <4>[ 66.984393] r3 : c0c59b38 r2 : aae1a4ae r1 : ef7965e0 r0 : c15ec028 <4>[ 66.991210] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 66.998632] Control: 10c5387d Table: 1663804a DAC: 00000051 <0>[ 67.004665] Process cat (pid: 736, stack limit = 0x4c141224) <0>[ 67.010611] Stack: (0xc4105e58 to 0xc4106000) <0>[ 67.015258] 5e40: c4105e74 c4105e68 <0>[ 67.023730] 5e60: c0c595cc c0c59b44 c4105e9c c4105e78 c0c59acc c0c595ac c0c599ac c61657c0 <0>[ 67.032202] 5e80: b6dc8000 00000004 c3022c00 c4105f60 c4105ec4 c4105ea0 c07e29dc c0c599b8 <0>[ 67.040673] 5ea0: 00000000 c61657c0 b6dc8000 c290d000 c4105f60 c07e2978 c4105f5c c4105ec8 <0>[ 67.049144] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c4104000 <0>[ 67.057613] 5ee0: b6dc8000 00020000 00000004 00000004 0001fffc c4105ee0 00000001 b6dc7000 <0>[ 67.066081] 5f00: c6044a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 67.074553] 5f20: 00000000 00000000 c13e1980 aae1a4ae c206c1a0 c61657c0 c61657c0 c4104000 <0>[ 67.083022] 5f40: b6dc8000 00000000 00000000 00000004 c4105f94 c4105f60 c059c9b0 c059c304 <0>[ 67.091492] 5f60: 00000000 00000000 c4105fac aae1a4ae 00000004 00000004 7ff00000 00000004 <0>[ 67.099962] 5f80: c03002e4 c4104000 c4105fa4 c4105f98 c059ca40 c059c948 00000000 c4105fa8 <0>[ 67.108431] 5fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6dc8000 00000004 00000001 <0>[ 67.116902] 5fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dc8000 00020000 0045fe38 <0>[ 67.125372] 5fe0: 00000004 bed9b7e8 b6e8e33b b6e07616 60080030 00000001 00000000 00000000 <0>[ 67.133828] Backtrace: <0>[ 67.136588] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.144458] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 67.152773] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 67.160989] r9:c4105f60 r8:c3022c00 r7:00000004 r6:b6dc8000 r5:c61657c0 r4:c0c599ac <0>[ 67.169038] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 67.177163] r9:c07e2978 r8:c4105f60 r7:c290d000 r6:b6dc8000 r5:c61657c0 r4:00000000 <0>[ 67.185202] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 67.192631] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c4104000 r5:c61657c0 <0>[ 67.200742] r4:c61657c0 <0>[ 67.203572] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 67.211000] r9:c4104000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <0>[ 67.219042] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 67.226893] Exception stack(0xc4105fa8 to 0xc4105ff0) <0>[ 67.232235] 5fa0: 00000004 00000004 00000001 b6dc8000 00000004 00000001 <0>[ 67.240704] 5fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dc8000 00020000 0045fe38 <0>[ 67.249168] 5fe0: 00000004 bed9b7e8 b6e8e33b b6e07616 <0>[ 67.254513] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 67.260903] ---[ end trace 1286819e0a8ce1c3 ]--- <3>[ 67.265812] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 67.274973] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 736, name: cat <4>[ 67.282911] INFO: lockdep is turned off. <4>[ 67.287115] irq event stamp: 1626 <4>[ 67.290735] hardirqs last enabled at (1625): [] console_unlock+0x4b0/0x6c0 <4>[ 67.298861] hardirqs last disabled at (1626): [] __und_svc+0x60/0x6c <4>[ 67.306376] softirqs last enabled at (1622): [] __do_softirq+0x36c/0x5a0 <4>[ 67.314325] softirqs last disabled at (1615): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 67.322449] CPU: 1 PID: 736 Comm: cat Tainted: G D 5.10.218-cip49 #1 <4>[ 67.330388] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 67.337196] Backtrace: <4>[ 67.339957] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 67.347817] r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d058 <4>[ 67.353777] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 67.361396] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 67.369433] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d2fd0 r4:c4104000 <4>[ 67.377477] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 67.385594] r6:00000000 r5:00000031 r4:c19d2fd0 <4>[ 67.390520] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 67.398550] r6:00000001 r5:c4104000 r4:c46e5100 <4>[ 67.403476] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 67.411077] r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c46e5100 <4>[ 67.418078] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 67.425669] r7:c1e1ca0c <4>[ 67.428505] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 67.435932] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 67.443275] r10:00000004 r9:c4104000 r8:c15ec020 r7:00000000 r6:c4105dc8 r5:c0c59b4c <4>[ 67.451387] r4:e7f001f2 <4>[ 67.454218] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 67.462419] Exception stack(0xc4105dc8 to 0xc4105e10) <4>[ 67.467764] 5dc0: c15ec028 ef7965e0 aae1a4ae c0c59b38 00000001 c63c9000 <4>[ 67.476234] 5de0: 00000004 c4105f60 c15ec020 c1ad6f68 00000004 c4105e64 c4105e68 c4105e58 <4>[ 67.484697] 5e00: c0c595cc c0c59b4c a0080013 ffffffff <4>[ 67.490037] r7:c4105dfc r6:ffffffff r5:a0080013 r4:c0c59b50 <4>[ 67.495995] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 67.503861] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 67.512164] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 67.520376] r9:c4105f60 r8:c3022c00 r7:00000004 r6:b6dc8000 r5:c61657c0 r4:c0c599ac <4>[ 67.528422] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 67.536546] r9:c07e2978 r8:c4105f60 r7:c290d000 r6:b6dc8000 r5:c61657c0 r4:00000000 <4>[ 67.544583] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 67.552011] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c4104000 r5:c61657c0 <4>[ 67.560121] r4:c61657c0 <4>[ 67.562951] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 67.570379] r9:c4104000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <4>[ 67.578417] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 67.586268] Exception stack(0xc4105fa8 to 0xc4105ff0) <4>[ 67.591610] 5fa0: 00000004 00000004 00000001 b6dc8000 00000004 00000001 <4>[ 67.600080] 5fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dc8000 00020000 0045fe38 <4>[ 67.608545] 5fe0: 00000004 bed9b7e8 b6e8e33b b6e07616 # Segmentation fault # [ 66.884346] lkdtm: Performing direct entry BUG # [ 66.889469] ------------[ cut here ]------------ # [ 66.894360] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 66.899856] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 66.905265] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 66.937675] CPU: 1 PID: 736 Comm: cat Not tainted 5.10.218-cip49 #1 # [ 66.944231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.951065] PC is at lkdtm_BUG+0x14/0x18 # [ 66.955280] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.960011] pc : [] lr : [] psr: a0080013 # [ 66.966564] sp : c4105e58 ip : c4105e68 fp : c4105e64 # [ 66.972073] r10: 00000004 r9 : c1ad6f68 r8 : c15ec020 # [ 66.977582] r7 : c4105f60 r6 : 00000004 r5 : c63c9000 r4 : 00000001 # [ 66.984393] r3 : c0c59b38 r2 : aae1a4ae r1 : ef7965e0 r0 : c15ec028 # [ 66.991210] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.998632] Control: 10c5387d Table: 1663804a DAC: 00000051 # [ 67.004665] Process cat (pid: 736, stack limit = 0x4c141224) # [ 67.010611] Stack: (0xc4105e58 to 0xc4106000) # [ 67.015258] 5e40: c4105e74 c4105e68 # [ 67.023730] 5e60: c0c595cc c0c59b44 c4105e9c c4105e78 c0c59acc c0c595ac c0c599ac c61657c0 # [ 67.032202] 5e80: b6dc8000 00000004 c3022c00 c4105f60 c4105ec4 c4105ea0 c07e29dc c0c599b8 # [ 67.040673] 5ea0: 00000000 c61657c0 b6dc8000 c290d000 c4105f60 c07e2978 c4105f5c c4105ec8 # [ 67.049144] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c4104000 # [ 67.057613] 5ee0: b6dc8000 00020000 00000004 00000004 0001fffc c4105ee0 00000001 b6dc7000 # [ 67.066081] 5f00: c6044a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.074553] 5f20: 00000000 00000000 c13e1980 aae1a4ae c206c1a0 c61657c0 c61657c0 c4104000 # [ 67.083022] 5f40: b6dc8000 00000000 00000000 00000004 c4105f94 c4105f60 c059c9b0 c059c304 # [ 67.091492] 5f60: 00000000 00000000 c4105fac aae1a4ae 00000004 00000004 7ff00000 00000004 # [ 67.099962] 5f80: c03002e4 c4104000 c4105fa4 c4105f98 c059ca40 c059c948 00000000 c4105fa8 # [ 67.108431] 5fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6dc8000 00000004 00000001 # [ 67.116902] 5fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dc8000 00020000 0045fe38 # [ 67.125372] 5fe0: 00000004 bed9b7e8 b6e8e33b b6e07616 60080030 00000001 00000000 00000000 # [ 67.133828] Backtrace: # [ 67.136588] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.144458] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.152773] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.160989] r9:c4105f60 r8:c3022c00 r7:00000004 r6:b6dc8000 r5:c61657c0 r4:c0c599ac # [ 67.169038] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.177163] r9:c07e2978 r8:c4105f60 r7:c290d000 r6:b6dc8000 r5:c61657c0 r4:00000000 # [ 67.185202] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.192631] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c4104000 r5:c61657c0 # [ 67.200742] r4:c61657c0 # [ 67.203572] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.211000] r9:c4104000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 67.219042] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.226893] Exception stack(0xc4105fa8 to 0xc4105ff0) # [ 67.232235] 5fa0: 00000004 00000004 00000001 b6dc8000 00000004 00000001 # [ 67.240704] 5fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dc8000 00020000 0045fe38 # [ 67.249168] 5fe0: 00000004 bed9b7e8 b6e8e33b b6e07616 # [ 67.254513] Code: <6>[ 68.041136] lkdtm: Performing direct entry WARNING e92dd800 e24cb004 e52de004 e8bd40<4>[ 68.047887] ------------[ cut here ]------------ 00 (e7f001f2) # [ 67.260903] <4>[ 68.055809] WARNING: CPU: 3 PID: 808 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c ---[ end trace 1286819e0a8ce1c3 ]<4>[ 68.067287] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 --- # [ 67.265812] BUG: sleepi<4>[ 68.102444] CPU: 3 PID: 808 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ng function called from invalid c<4>[ 68.112990] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ontext at include/linux/percpu-rw<4>[ 68.122642] Backtrace: sem.h:49 # [ 67.274973] in_ato<4>[ 68.128226] [] (dump_backtrace) from [] (show_stack+0x20/0x24) mic(): 0, irqs_disabled(): 128, n<4>[ 68.138911] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 on_block: 0, pid: 736, name: cat <4>[ 68.147697] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 67.282911] INFO: lockdep i<4>[ 68.158131] [] (dump_stack) from [] (__warn+0x98/0x14c) s turned off. # [ 67.287115] i<4>[ 68.168210] r9:00000009 r8:c0c59b98 r7:00000053 r6:00000009 r5:c0c59b98 r4:c1ad7624 rq event stamp: 1626 # [ 67.29<4>[ 68.179077] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0735] hardirqs last enabled at (<4>[ 68.189679] r7:00000053 r6:c1ad7624 r5:00000000 r4:c64d2000 1625): [] console_unloc<4>[ 68.198469] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) k+0x4b0/0x6c0 # [ 67.298861] h<4>[ 68.209676] r9:c1ad6f6c r8:c15ec020 r7:c64d3f60 r6:00000008 r5:c6374000 r4:00000002 ardirqs last disabled at (1626): <4>[ 68.220543] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) [] __und_svc+0x60/0x6c <4>[ 68.231585] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.306376] softirqs last <4>[ 68.242714] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) enabled at (1622): [] _<4>[ 68.253748] r9:c64d3f60 r8:c3022c00 r7:00000008 r6:b6e0f000 r5:c4752640 r4:c0c599ac _do_softirq+0x36c/0x5a0 # [ 67<4>[ 68.264619] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) .314325] softirqs last disabled a<4>[ 68.275565] r9:c07e2978 r8:c64d3f60 r7:c290d000 r6:b6e0f000 r5:c4752640 r4:00000000 t (1615): [] __irq_exit<4>[ 68.286433] [] (vfs_write) from [] (ksys_write+0x74/0xec) _rcu+0x178/0x1d0 # [ 67.322449<4>[ 68.296690] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c64d2000 r5:c4752640 ] CPU: 1 PID: 736 Comm: cat Taint<4>[ 68.307638] r4:c4752640 ed: G D 5.10.218-c<4>[ 68.313302] [] (ksys_write) from [] (sys_write+0x18/0x1c) ip49 #1 # [ 67.330388] Hardwar<4>[ 68.323557] r9:c64d2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 e name: Freescale i.MX6 Quad/Dual<4>[ 68.334426] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) Lite (Device Tree) # [ 67.3371<4>[ 68.345113] Exception stack(0xc64d3fa8 to 0xc64d3ff0) 96] Backtrace: # [ 67.339957]<4>[ 68.353291] 3fa0: 00000008 00000008 00000001 b6e0f000 00000008 00000001 [] (dump_backtrace) fr<4>[ 68.364592] 3fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e0f000 00020000 0048fe38 om [<<4>[ 68.375890] 3fe0: 00000004 bef987e8 b6ed533b b6e4e616 <4>[ 68.381676] irq event stamp: 0 c<4>[ 68.385009] hardirqs last enabled at (0): [<00000000>] 0x0 13beac8>] (show_stack+0x20/0x24) <4>[ 68.390963] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 67.347817] r7:ffffffff r6<4>[ 68.401594] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac :60080093 r5:00000000 r4:c1f1d058<4>[ 68.412196] softirqs last disabled at (0): [<00000000>] 0x0 # [ 67.353777] [] (<4>[ 68.420891] ---[ end trace 1286819e0a8ce1c4 ]--- show_stack) from [] (dump_stack+0xe0/0x100) # [ 67.361396] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 67.369433] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d2fd0 r4:c4104000 # [ 67.377477] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 67.385594] r6:00000000 r5:00000031 r4:c19d2fd0 # [ 67.390520] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 67.398550] r6:00000001 r5:c4104000 r4:c46e5100 # [ 67.403476] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 67.411077] r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c46e5100 # [ 67.418078] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 67.425669] r7:c1e1ca0c # [ 67.428505] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 67.435932] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 67.443275] r10:00000004 r9:c4104000 r8:c15ec020 r7:00000000 r6:c4105dc8 r5:c0c59b4c # [ 67.451387] r4:e7f001f2 # [ 67.454218] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 67.462419] Exception stack(0xc4105dc8 to 0xc4105e10) # [ 67.467764] 5dc0: c15ec028 ef7965e0 aae1a4ae c0c59b38 00000001 c63c9000 # [ 67.476234] 5de0: 00000004 c4105f60 c15ec020 c1ad6f68 00000004 c4105e64 c4105e68 c4105e58 # [ 67.484697] 5e00: c0c595cc c0c59b4c a0080013 ffffffff # [ 67.490037] r7:c4105dfc r6:ffffffff r5:a0080013 r4:c0c59b50 # [ 67.495995] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.503861] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.512164] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.520376] r9:c4105f60 r8:c3022c00 r7:00000004 r6:b6dc8000 r5:c61657c0 r4:c0c599ac # [ 67.528422] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.536546] r9:c07e2978 r8:c4105f60 r7:c290d000 r6:b6dc8000 r5:c61657c0 r4:00000000 # [ 67.544583] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.552011] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c4104000 r5:c61657c0 # [ 67.560121] r4:c61657c0 # [ 67.562951] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.570379] r9:c4104000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 67.578417] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.586268] Exception stack(0xc4105fa8 to 0xc4105ff0) # [ 67.591610] 5fa0: 00000004 00000004 00000001 b6dc8000 00000004 00000001 # [ 67.600080] 5fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dc8000 00020000 0045fe38 # [ 67.608545] 5fe0: 00000004 bed9b7e8 b6e8e33b b6e07616 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 68.041136] lkdtm: Performing direct entry WARNING # [ 68.047887] ------------[ cut here ]------------ # [ 68.055809] WARNING: CPU: 3 PID: 808 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 68.067287] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 68.102444] CPU: 3 PID: 808 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 68.112990] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.122642] Backtrace: # [ 68.128226] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 68.<6>[ 68.762310] lkdtm: Performing direct entry WARNING_MESSAGE 138911] r7:ffffffff r6:60080013 <4>[ 68.770968] ------------[ cut here ]------------ r5:00000000 r4:c1f1d058 # [ 68<4>[ 68.778809] WARNING: CPU: 3 PID: 844 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 .147697] [] (show_stack<4>[ 68.790939] Warning message trigger count: 2 ) from [] (dump_stack+0<4>[ 68.798294] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 xe0/0x100) # [ 68.158131] [[ 68.833336] CPU: 3 PID: 844 Comm: cat Tainted: G D W 5.10.218-cip49 #1 3c5c84>] (dump_stack) from [[ 68.844075] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 67c8>] (__warn+0x98/0x14c) # [ <4>[ 68.853727] Backtrace: 68.168210] r9:00000009 r8:c0c59<4>[ 68.859310] [] (dump_backtrace) from [] (show_stack+0x20/0x24) b98 r7:00000053 r6:00000009 r5:c0<4>[ 68.869997] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 c59b98 r4:c1ad7624 # [ 68.1790<4>[ 68.878783] [] (show_stack) from [] (dump_stack+0xe0/0x100) 77] [] (__warn) from [<<4>[ 68.889220] [] (dump_stack) from [] (__warn+0x98/0x14c) c13bfc08>] (warn_slowpath_fmt+0x8<4>[ 68.899295] r9:00000009 r8:c0c59be8 r7:00000058 r6:00000009 r5:c0c59be8 r4:c1ad7624 c/0xa8) # [ 68.189679] r7:000<4>[ 68.910163] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 00053 r6:c1ad7624 r5:00000000 r4:<4>[ 68.920767] r7:00000058 r6:c1ad7624 r5:c1ad7640 r4:c62b6000 c64d2000 # [ 68.198469] [[ 68.929554] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) fb80>] (warn_slowpath_fmt) from [<4>[ 68.941457] r9:c1ad6f74 r8:c15ec020 r7:c62b7f60 r6:00000010 r5:c6374000 r4:00000003 ] (lkdtm_WARNING+0x48/0<4>[ 68.952325] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) x4c) # [ 68.209676] r9:c1ad6f<4>[ 68.964059] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 6c r8:c15ec020 r7:c64d3f60 r6:000<4>[ 68.975191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00008 r5:c6374000 r4:00000002 # <4>[ 68.986225] r9:c62b7f60 r8:c3022c00 r7:00000010 r6:b6dbf000 r5:c47528c0 r4:c0c599ac [ 68.220543] [] (lkdt<4>[ 68.997097] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) m_WARNING) from [] (lkd<4>[ 69.008041] r9:c07e2978 r8:c62b7f60 r7:c290d000 r6:b6dbf000 r5:c47528c0 r4:00000000 tm_do_action+0x2c/0x4c) # [ 68<4>[ 69.018909] [] (vfs_write) from [] (ksys_write+0x74/0xec) .231585] [] (lkdtm_do_a<4>[ 69.029167] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c62b6000 r5:c47528c0 ction) from [] (direct_<4>[ 69.040115] r4:c47528c0 entry+0x120/0x18c) # [ 68.2427<4>[ 69.045781] [] (ksys_write) from [] (sys_write+0x18/0x1c) 14] [] (direct_entry) f<4>[ 69.056037] r9:c62b6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 rom [] (full_proxy_writ<4>[ 69.066905] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) e+0x64/0x94) # [ 68.253748] r<4>[ 69.077593] Exception stack(0xc62b7fa8 to 0xc62b7ff0) 9:c64d3f60 r8:c3022c00 r7:0000000<4>[ 69.085770] 7fa0: 00000010 00000010 00000001 b6dbf000 00000010 00000001 8 r6:b6e0f000 r5:c4752640 r4:c0c5<4>[ 69.097070] 7fc0: 00000010 00000010 7ff00000 00000004 00000001 b6dbf000 00020000 0043fe38 99ac # [ 68.264619] [[ 69.108367] 7fe0: 00000004 beb007e8 b6e8533b b6dfe616 >] (full_proxy_write) from [[ 69.116614] irq event stamp: 0 c404>] (vfs_write+0x10c/0x53c) #<4>[ 69.122751] hardirqs last enabled at (0): [<00000000>] 0x0 [ 68.275565] r9:c07e2978 r8:c<4>[ 69.131488] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 64d3f60 r7:c290d000 r6:b6e0f000 r<4>[ 69.142104] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 5:c4752640 r4:00000000 # [ 68.<4>[ 69.152681] softirqs last disabled at (0): [<00000000>] 0x0 286433] [] (vfs_write) <4>[ 69.161373] ---[ end trace 1286819e0a8ce1c5 ]--- from [] (ksys_write+0x74/0xec) # [ 68.296690] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c64d2000 r5:c4752640 # [ 68.307638] r4:c4752640 # [ 68.313302] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 68.323557] r9:c64d2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 # [ 68.334426] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 68.345113] Exception stack(0xc64d3fa8 to 0xc64d3ff0) # [ 68.353291] 3fa0: 00000008 00000008 00000001 b6e0f000 00000008 00000001 # [ 68.364592] 3fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e0f000 00020000 0048fe38 # [ 68.375890] 3fe0: 00000004 bef987e8 b6ed533b b6e4e616 # [ 68.381676] irq event stamp: 0 # [ 68.385009] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 68.390963] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 68.401594] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 68.412196] softirqs last disabled at (0): [<00000000>] 0x0 # [ 68.420891] ---[ end trace 1286819e0a8ce1c4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 68.762310] lkdtm: Performing direct entry WARNING_MESSAGE # [ 68.770968] ------------[ cut here ]------------ # [ 68.778809] WARNING: CPU: 3 PID: 844 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 68.790939] Warning message trigger count: 2 # [ 68.798294] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 68.833336] CPU: 3 PID: 844 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 68.844075] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.853727] Backtrace: # [ 68.859310] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 68.869997] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 68.878783] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 68.889220] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 68.899295] r9:00000009 r8:c0c59be8 r7:00000058 r6:00000009 r5:c0c59be8 r4:c1ad7624 # [ 68.910163] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 68.920767] r7:00000058 r6:c1ad7624 r5:c1ad7640 r4:c62b6000 # [ 68.929554] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 68.941457] r9:c1ad6f74 r8:c15ec020 r7:c62b7f60 r6:00000010 r5:c6374000 r4:00000003 # [ 68.952325] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.964059] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.975191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.986225] r9:c62b7f60 r8:c3022c00 r7:00000010 r6:b6dbf000 r5:c47528c0 r4:c0c599ac # [ 68.997097] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 69.008041] r9:c07e2978 r8:c62b7f60 r7:c290d000 r6:b6dbf000 r5:c47528c0 r4:00000000 # [ 69.018909] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.029167] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c62b6000 r5:c47528c0 # [ 69.040115] r4:c47528c0 # [ 69.045781] [] (ksys_write) from [] (sys_w<6>[ 69.488988] lkdtm: Performing direct entry EXCEPTION rite+0x18/0x1c) # [ 69.056037]<1>[ 69.494752] 8<--- cut here --- r9:c62b6000 r8:c03002e4 r7:0000<1>[ 69.501163] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0004 r6:7ff00000 r5:00000010 r4:0<1>[ 69.512305] pgd = 67c836e7 0000010 # [ 69.066905] [[ 69.518139] [00000000] *pgd=00000000 a28>] (sys_write) from [[ 69.524933] Internal error: Oops: 805 [#2] SMP ARM <4>[ 69.532780] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 69.565128] CPU: 0 PID: 877 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 69.573051] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 69.579855] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 69.584569] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 69.589279] pc : [] lr : [] psr: a0080013 <4>[ 69.595814] sp : c6291e58 ip : c6291e68 fp : c6291e64 <4>[ 69.601305] r10: 0000000a r9 : c1ad6f84 r8 : c15ec020 <4>[ 69.606796] r7 : c6291f60 r6 : 0000000a r5 : c62d7000 r4 : 00000004 <4>[ 69.613590] r3 : 00000000 r2 : b8b4d640 r1 : ef7815e0 r0 : c15ec040 <4>[ 69.620385] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 69.627788] Control: 10c5387d Table: 1658004a DAC: 00000051 <0>[ 69.633801] Process cat (pid: 877, stack limit = 0xd82ee50c) <0>[ 69.639726] Stack: (0xc6291e58 to 0xc6292000) <0>[ 69.644352] 1e40: c6291e74 c6291e68 <0>[ 69.652800] 1e60: c0c595cc c0c59bfc c6291e9c c6291e78 c0c59acc c0c595ac c0c599ac c4323400 <0>[ 69.661248] 1e80: b6e46000 0000000a c3022c00 c6291f60 c6291ec4 c6291ea0 c07e29dc c0c599b8 <0>[ 69.669694] 1ea0: 00000000 c4323400 b6e46000 c290d000 c6291f60 c07e2978 c6291f5c c6291ec8 <0>[ 69.678141] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6290000 <0>[ 69.686587] 1ee0: b6e46000 00020000 00000004 0000000a 0001fff6 c6291ee0 00000001 b6e45000 <0>[ 69.695033] 1f00: c4752780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 69.703479] 1f20: 00000000 00000000 c13e1980 b8b4d640 c206c1a0 c4323400 c4323400 c6290000 <0>[ 69.711926] 1f40: b6e46000 00000000 00000000 00000004 c6291f94 c6291f60 c059c9b0 c059c304 <0>[ 69.720370] 1f60: 00000000 00000000 c6291fac b8b4d640 0000000a 0000000a 7ff00000 00000004 <0>[ 69.728818] 1f80: c03002e4 c6290000 c6291fa4 c6291f98 c059ca40 c059c948 00000000 c6291fa8 <0>[ 69.737262] 1fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e46000 0000000a 00000001 <0>[ 69.745707] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e46000 00020000 0050fe38 <0>[ 69.754153] 1fe0: 00000004 bec957e8 b6f0c33b b6e85616 60080030 00000001 00000000 00000000 <0>[ 69.762593] Backtrace: <0>[ 69.765318] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 69.773684] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 69.781966] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 69.790155] r9:c6291f60 r8:c3022c00 r7:0000000a r6:b6e46000 r5:c4323400 r4:c0c599ac <0>[ 69.798176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 69.806278] r9:c07e2978 r8:c6291f60 r7:c290d000 r6:b6e46000 r5:c4323400 r4:00000000 <0>[ 69.814292] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 69.821699] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6290000 r5:c4323400 <0>[ 69.829792] r4:c4323400 <0>[ 69.832600] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 69.840003] r9:c6290000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 69.848019] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 69.855854] Exception stack(0xc6291fa8 to 0xc6291ff0) <0>[ 69.861173] 1fa0: 0000000a 0000000a 00000001 b6e46000 0000000a 00000001 <0>[ 69.869619] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e46000 00020000 0050fe38 <0>[ 69.878063] 1fe0: 00000004 bec957e8 b6f0c33b b6e85616 <0>[ 69.883384] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) >] (ret_fast_syscall+0x0/0x28) #<4>[ 69.889833] ---[ end trace 1286819e0a8ce1c6 ]--- [ 69.<047>7[5 9 3 ]6 9E.x89c6e93] panel-simple panel-lcd: supply power not found, using dummy regulator ption stack(0xc62b7fa8 to 0xc62b7<4>[ 69.907602] panel-simple panel-lcd: Specify missing connector_type ff0) # [ 69.085770] 7fa0: 00000010 00000010 0<040>0[0 0 0 16 9b.69d2b1f6026] panel-simple panel-lvds0: supply power not found, using dummy regulator 0 00000010 00000001 # [ 69.097070] 7fc0: 00000010 00000010 7ff00000 00000004 00000001 b6dbf000 00020000 0043fe38 # [ 69.108367] 7fe0: 00000004 beb007e8 b6e8533b b6dfe616 # [ 69.116614] irq event stamp: 0 # [ 69.122751] hardirqs last enabled at (0): [<00000000>] 0x0 #<6>[ 69.954859] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 69.131488] hardirqs last dis<6>[ 69.964278] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) abled at (0): [] copy_p<6>[ 69.975483] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) rocess+0x5f8/0x1dac # [ 69.142<6>[ 69.986776] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) 104] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 69.152681] softirqs last disabled at (0): [<00000000>] 0x0 # [ 69.161373<6>[ 70.011207] platform backlight-lvds: deferred probe pending ] ---[ end trace 1286819e0a8ce1c5<6>[ 70.017345] platform panel-lcd: deferred probe pending ]--- # WARNING_MESSAGE: saw 'me<6>[ 70.025679] platform panel-lvds0: deferred probe pending ssage trigger': ok ok 4 selftest<6>[ 70.034074] platform backlight-lcd: deferred probe pending s: lkdtm: WARNING_MESSAGE.sh # s<6>[ 70.042681] platform 120000.hdmi: deferred probe pending elftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 69.488988] lkdtm: Performing direct entry EXCEPTION # [ 69.494752] 8<--- cut here --- # [ 69.501163] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 69.512305] pgd = 67c836e7 # [ 69.518139] [00000000] *pgd=00000000 # [ 69.524933] Internal error: Oops: 805 [#2] SMP ARM # [ 69.532780] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 69.565128] CPU: 0 PID: 877 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 69.573051] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.579855] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 69.584569] LR is at lkdtm_do_action+0x2c/0x4c # [ 69.589279] pc : [] lr : [] psr: a0080013 # [ 69.595814] sp : c6291e58 ip : c6291e68 fp : c6291e64 # [ 69.601305] r10: 0000000a r9 : c1ad6f84 r8 : c15ec020 # [ 69.606796] r7 : c6291f60 r6 : 0000000a r5 : c62d7000 r4 : 00000004 # [ 69.613590] r3 : 00000000 r2 : b8b4d640 r1 : ef7815e0 r0 : c15ec040 # [ 69.620385] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 69.627788] Control: 10c5387d Table: 1658004a DAC: 00000051 # [ 69.633801] Process cat (pid: 877, stack limit = 0xd82ee50c) # [ 69.639726] Stack: (0xc6291e58 to 0xc6292000) # [ 69.644352] 1e40: c6291e74 c6291e68 # [ 69.652800] 1e60: c0c595cc c0c59bfc c6291e9c c6291e78 c0c59acc c0c595ac c0c599ac c4323400 # [ 69.661248] 1e80: b6e46000 0000000a c3022c00 c6291f60 c6291ec4 c6291ea0 c07e29dc c0c599b8 # [ 69.669694] 1ea0: 00000000 c4323400 b6e46000 c290d000 c6291f60 c07e2978 c6291f5c c6291ec8 # [ 69.678141] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6290000 # [ 69.686587] 1ee0: b6e46000 00020000 00000004 0000000a 0001fff6 c6291ee0 00000001 b6e45000 # [ 69.695033] 1f00: c4752780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 69.703479] 1f20: 00000000 00000000 c13e1980 b8b4d640 c206c1a0 c4323400 c4323400 c6290000 # [ 69.711926] 1f40: b6e46000 00000000 00000000 00000004 c6291f94 c6291f60 c059c9b0 c059c304 # [ 69.720370] 1f60: 00000000 00000000 c6291fac b8b4d640 0000000a 0000000a 7ff00000 00000004 # [ 69.728818] 1f80: c03002e4 c6290000 c6291fa4 c6291f98 c059ca40 c059c948 00000000 c6291fa8 # [ 69.737262] 1fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e46000 0000000a 00000001 # [ 69.745707] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e46000 00020000 0050fe38 # [ 69.754153] 1fe0: 00000004 bec957e8 b6f0c33b b6e85616 60080030 00000001 00000000 00000000 # [ 69.762593] Backtrace: # [ 69.765318] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.773684] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.781966] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.790155] r9:c6291f60 r8:c3022c00 r7:0000000a r6:b6e46000 r5:c4323400 r4:c0c599ac # [ 69.798176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 69.806278] r9:c07e2978 r8:c6291f60 r7:c290d000 r6:b6e46000 r5:c4323400 r4:00000000 # [ 69.814292] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.821699] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6290000 r5:c4323400 # [ 69.829792] r4:c4323400 # [ 69.832600] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.840003] r9:c6290000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 69.848019] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.855854] Exception stack(0xc6291fa8 to 0xc6291ff0) # [ 69.861173] 1fa0: 0000000a 0000000a 00000001 b6e46000 0000000a 00000001 # [ 69.869619] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e46000 00020000 0050fe38 # [ 69.878063] 1fe0: 00000004 bec957e8 b6f0c33b b6e85616 # [ 69.883384] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 69.889833] ---[ end trace 1286819e0a8ce1c6 ]--- # [ 69.896093] panel-simple panel-lcd: supply power not found, using dummy regulator # [ 69.907602] panel-simple panel-lcd: Specify missing connector_type # [ 69.921626] panel-simple panel-lvds0: supply power not found, using dummy regulator # [ 69.954859] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) # EXCEPTION: missing 'call trace:': [FAIL] not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1 # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 71.065024] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 71.071004] lkdtm: attempting good list addition <6>[ 71.075925] lkdtm: attempting corrupted list addition <3>[ 71.081294] lkdtm: list_add() corruption not detected! # [ 71.065024] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 71.071004] lkdtm: attempting good list addition # [ 71.075925] lkdtm: attempting corrupted list addition # [ 71.081294] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 71.389553] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 71.395407] lkdtm: attempting good list removal <6>[ 71.400429] lkdtm: attempting corrupted list removal <3>[ 71.405707] lkdtm: list_del() corruption not detected! # [ 71.389553] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 71.395407] lkdtm: attempting good list removal # [ 71.400429] lkdtm: attempting corrupted list removal # [ 71.405707] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 71.701164] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 71.707714] lkdtm: attempting bad read from page below current stack <3>[ 71.714605] lkdtm: FAIL: accessed page before stack! (byte: 3f) # [ 71.701164] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 71.707714] lkdtm: attempting bad read from page below current stack # [ 71.714605] lkdtm: FAIL: accessed page before stack! (byte: 3f) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 72.009544] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 72.016179] lkdtm: attempting bad read from page above current stack <3>[ 72.022879] lkdtm: FAIL: accessed page after stack! (byte: a8) # [ 72.009544] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 72.016179] lkdtm: attempting bad read from page above current stack # [ 72.022879] lkdtm: FAIL: accessed page after stack! (byte: a8) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 72.339655] lkdtm: Performing direct entry UNSET_SMEP <3>[ 72.344993] lkdtm: XFAIL: this test is x86_64-only # [ 72.339655] lkdtm: Performing direct entry UNSET_SMEP # [ 72.344993] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 72.645027] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 72.650660] lkdtm: XFAIL: this test is ia32-only # [ 72.645027] lkdtm: Performing direct entry DOUBLE_FAULT # [ 72.650660] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh <6>[ 72.961372] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 72.966796] lkdtm: XFAIL: this test is arm64-only # [ 72.961372] lkdtm: Performing direct entry CORRUPT_PAC # [ 72.966796] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 73.273951] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 73.280793] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 73.273951] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 73.280793] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 73.988001] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 73.993991] lkdtm: Value in memory before free: 12345678 <6>[ 73.999658] lkdtm: Attempting bad read from freed memory <6>[ 74.005248] lkdtm: Memory was not poisoned # [ 73.988001] lkdtm: Performing direct entry READ_AFTER_FREE # [ 73.993991] lkdtm: Value in memory before free: 12345678 # [ 73.999658] lkdtm: Attempting bad read from freed memory # [ 74.005248] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 74.513564] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 74.519973] lkdtm: Value in memory before free: 12345678 <6>[ 74.525563] lkdtm: Attempting to read from freed memory <6>[ 74.531242] lkdtm: Buddy page was not poisoned # [ 74.513564] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 74.519973] lkdtm: Value in memory before free: 12345678 # [ 74.525563] lkdtm: Attempting to read from freed memory # [ 74.531242] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 74.827286] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 74.833242] lkdtm: Attempting double slab free ... # [ 74.827286] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 74.833242] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 75.143891] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 75.149741] lkdtm: Attempting cross-cache slab free ... # [ 75.143891] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 75.149741] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 75.466833] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 75.472588] lkdtm: Attempting non-Slab slab free ... # [ 75.466833] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 75.472588] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 76.533849] lkdtm: Performing direct entry EXEC_DATA <6>[ 76.539134] lkdtm: attempting ok execution at c0c5a33c <6>[ 76.544545] lkdtm: attempting bad execution at c2706a28 <1>[ 76.550140] 8<--- cut here --- <1>[ 76.553465] Unable to handle kernel paging request at virtual address c2706a28 <1>[ 76.560957] pgd = ab7ba800 <1>[ 76.563932] [c2706a28] *pgd=1261141e(bad) <0>[ 76.568224] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 76.573718] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 76.606066] CPU: 0 PID: 1753 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 76.614077] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 76.620880] PC is at data_area+0x0/0x40 <4>[ 76.624993] LR is at execute_location+0xa4/0xb4 <4>[ 76.629791] pc : [] lr : [] psr: 60080013 <4>[ 76.636323] sp : c5ec5e38 ip : c5ec5d40 fp : c5ec5e54 <4>[ 76.641814] r10: 0000000a r9 : c1ad7168 r8 : c15ec020 <4>[ 76.647305] r7 : c5ec5f60 r6 : 00000001 r5 : c2706a28 r4 : c0c5a33c <4>[ 76.654099] r3 : 75b525e8 r2 : 75b525e8 r1 : ef7815e0 r0 : 0000002b <4>[ 76.660893] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 76.668296] Control: 10c5387d Table: 1618c04a DAC: 00000051 <0>[ 76.674308] Process cat (pid: 1753, stack limit = 0x6379d99e) <0>[ 76.680321] Stack: (0xc5ec5e38 to 0xc5ec6000) <0>[ 76.684947] 5e20: 0000001f c44d3000 <0>[ 76.693395] 5e40: 0000000a c5ec5f60 c5ec5e64 c5ec5e58 c13cc588 c13cc384 c5ec5e74 c5ec5e68 <0>[ 76.701842] 5e60: c0c595cc c13cc570 c5ec5e9c c5ec5e78 c0c59acc c0c595ac c0c599ac c4205400 <0>[ 76.710289] 5e80: b6e28000 0000000a c3022c00 c5ec5f60 c5ec5ec4 c5ec5ea0 c07e29dc c0c599b8 <0>[ 76.718736] 5ea0: 00000000 c4205400 b6e28000 c290d000 c5ec5f60 c07e2978 c5ec5f5c c5ec5ec8 <0>[ 76.727184] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c5ec4000 <0>[ 76.735631] 5ee0: b6e28000 00020000 00000004 0000000a 0001fff6 c5ec5ee0 00000001 b6e27000 <0>[ 76.744076] 5f00: c64b7040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.752521] 5f20: 00000000 00000000 c13e1980 75b525e8 c206c1a0 c4205400 c4205400 c5ec4000 <0>[ 76.760967] 5f40: b6e28000 00000000 00000000 00000004 c5ec5f94 c5ec5f60 c059c9b0 c059c304 <0>[ 76.769416] 5f60: 00000000 00000000 c5ec5fac 75b525e8 0000000a 0000000a 7ff00000 00000004 <0>[ 76.777862] 5f80: c03002e4 c5ec4000 c5ec5fa4 c5ec5f98 c059ca40 c059c948 00000000 c5ec5fa8 <0>[ 76.786308] 5fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e28000 0000000a 00000001 <0>[ 76.794755] 5fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e28000 00020000 0047fe38 <0>[ 76.803202] 5fe0: 00000004 beaab7e8 b6eee33b b6e67616 60080030 00000001 00000000 00000000 <0>[ 76.811642] Backtrace: <0>[ 76.814369] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 76.822817] r7:c5ec5f60 r6:0000000a r5:c44d3000 r4:0000001f <0>[ 76.828751] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.837114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.845395] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.853582] r9:c5ec5f60 r8:c3022c00 r7:0000000a r6:b6e28000 r5:c4205400 r4:c0c599ac <0>[ 76.861602] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.869700] r9:c07e2978 r8:c5ec5f60 r7:c290d000 r6:b6e28000 r5:c4205400 r4:00000000 <0>[ 76.877715] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.885120] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5ec4000 r5:c4205400 <0>[ 76.893215] r4:c4205400 <0>[ 76.896021] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.903426] r9:c5ec4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 76.911444] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.919280] Exception stack(0xc5ec5fa8 to 0xc5ec5ff0) <0>[ 76.924599] 5fa0: 0000000a 0000000a 00000001 b6e28000 0000000a 00000001 <0>[ 76.933045] 5fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e28000 00020000 0047fe38 <0>[ 76.941488] 5fe0: 00000004 beaab7e8 b6eee33b b6e67616 <0>[ 76.946810] Code: 00000000 c2ffe900 c2ffe9c0 c2ffea80 (e1a0c00d) <4>[ 76.953175] ---[ end trace 1286819e0a8ce1c7 ]--- # Segmentation fault # [ 76.533849] lkdtm: Performing direct entry EXEC_DATA # [ 76.539134] lkdtm: attempting ok execution at c0c5a33c # [ 76.544545] lkdtm: attempting bad execution at c2706a28 # [ 76.550140] 8<--- cut here --- # [ 76.553465] Unable to handle kernel paging request at virtual address c2706a28 # [ 76.560957] pgd = ab7ba800 # [ 76.563932] [c2706a28] *pgd=1261141e(bad) # [ 76.568224] Internal error: Oops: 8000000d [#3] SMP ARM # [ 76.573718] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 76.606066] CPU: 0 PID: 1753 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 76.614077] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.620880] PC is at data_area+0x0/0x40 # [ 76.624993] LR is at execute_location+0xa4/0xb4 # [ 76.629791] pc : [] lr : [] psr: 60080013 # [ 76.636323] sp : c5ec5e38 ip : c5ec5d40 fp : c5ec5e54 # [ 76.641814] r10: 0000000a r9 : c1ad7168 r8 : c15ec020 # [ 76.647305] r7 : c5ec5f60 r6 : 00000001 r5 : c2706a28 r4 : c0c5a33c # [ 76.654099] r3 : 75b525e8 r2 : 75b525e8 r1 : ef7815e0 r0 : 0000002b # [ 76.660893] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.668296] Control: 10c5387d Table: 1618c04a DAC: 00000051 # [ 76.674308] Process cat (pid: 1753, stack limit = 0x6379d99e) # [ 76.680321] Stack: (0xc5ec5e38 to 0xc5ec6000) # [ 76.684947] 5e20: 0000001f c44d3000 # [ 76.693395] 5e40: 0000000a c5ec5f60 c5ec5e64 c5ec5e58 c13cc588 c13cc384 c5ec5e74 c5ec5e68 # [ 76.701842] 5e60: c0c595cc c13cc570 c5ec5e9c c5ec5e78 c0c59acc c0c595ac c0c599ac c4205400 # [ 76.710289] 5e80: b6e28000 0000000a c3022c00 c5ec5f60 c5ec5ec4 c5ec5ea0 c07e29dc c0c599b8 # [ 76.718736] 5ea0: 00000000 c4205400 b6e28000 c290d000 c5ec5f60 c07e2978 c5ec5f5c c5ec5ec8 # [ 76.727184] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c5ec4000 # [ 76.735631] 5ee0: b6e28000 00020000 00000004 0000000a 0001fff6 c5ec5ee0 00000001 b6e27000 # [ 76.744076] 5f00: c64b7040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.752521] 5f20: 00000000 00000000 c13e1980 75b525e8 c206c1a0 c4205400 c4205400 c5ec4000 # [ 76.760967] 5f40: b6e28000 00000000 00000000 00000004 c5ec5f94 c5ec5f60 c059c9b0 c059c304 # [ 76.769416] 5f60: 00000000 00000000 c5ec5fac 75b525e8 0000000a 0000000a 7ff00000 00000004 # [ 76.777862] 5f80: c03002e4 c5ec4000 c5ec5fa4 c5ec5f98 c059ca40 c059c948 00000000 c5ec5fa8 # [ 76.786308] 5fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e28000 0000000a 00000001 # [ 76.794755] 5fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e28000 00020000 0047fe38 # [ 76.803202] 5fe0: 00000004 beaab7e8 b6eee33b b6e67616 60080030 00000001 00000000 00000000 # [ 76.811642] Backtrace: # [ 76.814369] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 76.822817] r7:c5ec5f60 r6:0000000a r5:c44d3000 r4:0000001f # [ 76.828751] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.837114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.845395] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.853582] r9:c5ec5f60 r8:c3022c00 r7:0000000a r6:b6e28000 r5:c4205400 r4:c0c599ac # [ 76.861602] [] (f<6>[ 77.377594] lkdtm: Performing direct entry EXEC_STACK ull_proxy_write) from [<6>[ 77.383798] lkdtm: attempting ok execution at c0c5a33c ] (vfs_write+0x10c/0x53c) # [ <6>[ 77.392087] lkdtm: attempting bad execution at c47c1e0c 76.869700] r9:c07e2978 r8:c5ec5f<1>[ 77.400325] 8<--- cut here --- 60 r7:c290d000 r6<:1b>6[e 2 8 070.406459] Unable to handle kernel paging request at virtual address c47c1e0c 0 r5:c4205400 :[0 0 0 07070.416025] pgd = 2f349698 0 # [ 76.877715] [8 77.420987] [c47c1e0c] *pgd=1461141e(bad) >] (vfs_write) from <[0<>c[0 5 9 77.427778] Internal error: Oops: 8000000d [#4] SMP ARM 9b0>] (ksys_write+0x74/0xec) # [<4>[ 77.435514] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 76.885120] r10:0<040>0[0 0 0 77.470517] CPU: 1 PID: 1830 Comm: cat Tainted: G D W 5.10.218-cip49 #1 r9:000000<040> [r 8 : 07070.04080769] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 r7:b6e28000 r6:e[c 4 0 077.489383] PC is at 0xc47c1e0c r5:c4205400 # [ 76.8932<145>] 77.494960] LR is at execute_location+0xa4/0xb4 r4:c420540<40> [ # [7 7 . 572257] pc : [] lr : [] psr: 60080013 6.896021] <[4<>c[0 5 9 c7973.c5>10605] sp : c47c1de8 ip : c47c1cf0 fp : c47c1e04 (ksys_writ [f r o m7 7[.<5c7912] r10: 0000000b r9 : c1ad7174 r8 : c15ec020 059ca40>] (s[_ w r i7t7e.+505218] r7 : c47c1f60 r6 : 00000001 r5 : c47c1e0c r4 : c0c5a33c x18/0x1c) <#4 >[[ 7767..9503827] r3 : 39cac361 r2 : 39cac361 r1 : ef7965e0 r0 : 0000002b 3426] r9:c54[0 0 0 7r78.:542437] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 03002e4 :[0 0 0 07070.0545 1740] Control: 10c5387d Table: 160d004a DAC: 00000051 6:7ff00000 r5<:00>0[0 0 0 0707a. 59482] Process cat (pid: 1830, stack limit = 0x80c53874) r4:0000000a <#0 >[[ 7767..967396] Stack: (0xc47c1de8 to 0xc47c2000) 11444] [<]0 >([s y s _77.573926] 1de0: c47c0000 c63d4000 0000000b c47c1f60 c47c1e64 c47c1e08 rite) from [0[> ] (77.584532] 1e00: c13cc5c4 c13cc384 c47c1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 et_fast_syscall+0/[0 x 2 87).595137] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 # [ 76.919280<]0 >E[x c e p7t.605655] 1e40: e3a02040 e3a01d33 e5930018 39cac361 0000000b 00000020 c47c1e74 c47c1e68 ion stack(0xc5ec58[ t o 70.616173] 1e60: c0c595cc c13cc598 c47c1e9c c47c1e78 c0c59acc c0c595ac c0c599ac c60cde00 xc5ec5ff0) # [ 7<60.>9[2 4 5 97.626693] 1e80: b6e8d000 0000000b c3022c00 c47c1f60 c47c1ec4 c47c1ea0 c07e29dc c0c599b8 9] 5fa0: < 0 > [ 77.637298] 1ea0: 00000000 c60cde00 b6e8d000 c290d000 c47c1f60 c07e2978 c47c1f5c c47c1ec8 0000000a 0000000a< 00>0[0 0 0 077.647904] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c47c0000 1 b6e28000 00000<000>a[ 0 0 0707.658508] 1ee0: b6e8d000 00020000 00000004 0000000b 0001fff5 c47c1ee0 00000001 b6e8c000 001 # [ 76.93<300>4[5 ] 57f7.669026] 1f00: c64b7180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0: 0000000a 0000<000>0[a 7 f7f7.679545] 1f20: 00000000 00000000 c13e1980 39cac361 c206c1a0 c60cde00 c60cde00 c47c0000 0000 00000004 <000>0[0 0 0 0717 .690063] 1f40: b6e8d000 00000000 00000000 00000004 c47c1f94 c47c1f60 c059c9b0 c059c304 6e28000 00020000< 00>0[4 7 f e737.700495] 1f60: 00000000 00000000 c47c1fac 39cac361 0000000b 0000000b 7ff00000 00000004 # [ 76.9414<808>][ 5 f e707:711013] 1f80: c03002e4 c47c0000 c47c1fa4 c47c1f98 c059ca40 c059c948 00000000 c47c1fa8 00000004 beaab<70e>8[ b 6 e7e7e721445] 1fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e8d000 0000000b 00000001 33b b6e67616 # [< 0 > [7 6 . 974.731878] 1fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e8d000 00020000 0043fe38 6810] Code: <000>0[0 0 0 0707 .c742394] 1fe0: 00000004 be81a7e8 b6f5333b b6ecc616 60080030 00000001 00000000 00000000 ffe900 c2ffe9 [c 2 f f7e7a.852736] Backtrace: 0 (e1a0c00d) # [ 76.953<107>5 77.757363] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) ] ---[ end trace< 01>2[8 6 8 1797.768398] r7:c47c1f60 r6:0000000b r5:c63d4000 r4:c47c0000 0a8ce1c7 ]--- # EXEC_DA:[ 77.776405] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) issing 'call< 0t>r[a c e :7'7:. 787263] r4:00000020 FAIL] not ok 30 set[e s t s7.791971] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : lkdtm: EXEC_DATA.sh # exit=1< 0>[ 77.802408] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # selftests: lkdtm<:0 >E[X E C _77.813267] r9:c47c1f60 r8:c3022c00 r7:0000000b r6:b6e8d000 r5:c60cde00 r4:c0c599ac TACK.sh <0>[ 77.823444] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.832306] r9:c07e2978 r8:c47c1f60 r7:c290d000 r6:b6e8d000 r5:c60cde00 r4:00000000 <0>[ 77.840321] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.847726] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c47c0000 r5:c60cde00 <0>[ 77.855820] r4:c60cde00 <0>[ 77.858626] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.866030] r9:c47c0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 77.874046] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.881880] Exception stack(0xc47c1fa8 to 0xc47c1ff0) <0>[ 77.887201] 1fa0: 0000000b 0000000b 00000001 b6e8d000 0000000b 00000001 <0>[ 77.895647] 1fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e8d000 00020000 0043fe38 <0>[ 77.904091] 1fe0: 00000004 be81a7e8 b6f5333b b6ecc616 <0>[ 77.909411] Code: c47c1e08 c13cc5c4 c13cc384 c47c1e6c (e1a0c00d) <4>[ 77.915777] ---[ end trace 1286819e0a8ce1c8 ]--- # Segmentation fault # [ 77.377594] lkdtm: Performing direct entry EXEC_STACK # [ 77.383798] lkdtm: attempting ok execution at c0c5a33c # [ 77.392087] lkdtm: attempting bad execution at c47c1e0c # [ 77.400325] 8<--- cut here --- # [ 77.406459] Unable to handle kernel paging request at virtual address c47c1e0c # [ 77.416025] pgd = 2f349698 # [ 77.420987] [c47c1e0c] *pgd=1461141e(bad) # [ 77.427778] Internal error: Oops: 8000000d [#4] SMP ARM # [ 77.435514] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 77.470517] CPU: 1 PID: 1830 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 77.480769] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.489383] PC is at 0xc47c1e0c # [ 77.494960] LR is at execute_location+0xa4/0xb4 # [ 77.502257] pc : [] lr : [] psr: 60080013 # [ 77.510605] sp : c47c1de8 ip : c47c1cf0 fp : c47c1e04 # [ 77.517912] r10: 0000000b r9 : c1ad7174 r8 : c15ec020 # [ 77.525218] r7 : c47c1f60 r6 : 00000001 r5 : c47c1e0c r4 : c0c5a33c # [ 77.533827] r3 : 39cac361 r2 : 39cac361 r1 : ef7965e0 r0 : 0000002b # [ 77.542437] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.551740] Control: 10c5387d Table: 160d004a DAC: 00000051 # [ 77.559482] Process cat (pid: 1830, stack limit = 0x80c53874) # [ 77.567396] Stack: (0xc47c1de8 to 0xc47c2000) # [ 77.573926] 1de0: c47c0000 c63d4000 0000000b c47c1f60 c47c1e64 c47c1e08 # [ 77.584532] 1e00: c13cc5c4 c13cc384 c47c1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 77.595137] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 # [ 77.605655] 1e40: e3a02040 e3a01d33 e5930018 39cac361 0000000b 00000020 c47c1e74 c47c1e68 # [ 77.616173] 1e60: c0c595cc c13cc598 c47c1e9c c47c1e78 c0c59acc c0c595ac c0c599ac c60cde00 # [ 77.626693] 1e80: b6e8d000 0000000b c3022c00 c47c1f60 c47c1ec4 c47c1ea0 c07e29dc c0c599b8 # [ 77.637298] 1ea0: 00000000 c60cde00 b6e8d000 c290d000 c47c1f60 c07e2978 c47c1f5c c47c1ec8 # [ 77.647904] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c47c0000 # [ 77.658508] 1ee0: b6e8d000 00020000 00000004 0000000b 0001fff5 c47c1ee0 00000001 b6e8c000 # [ 77.669026] 1f00: c64b7180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.679545] 1f20: 00000000 00000000 c13e1980 39cac361 c206c1a0 c60cde00 c60cde00 c47c0000 # [ 77.690063] 1f40: b6e8d000 00000000 00000000 00000004 c47c1f94 c47c1f60 c059c9b0 c059c304 # [ 77.700495] 1f60: 00000000 00000000 c47c1fac 39cac361 0000000b 0000000b 7ff00000 00000004 # [ 77.711013] 1f80: c03002e4 c47c0000 c47c1fa4 c47c1f98 c059ca40 c059c948 00000000 c47c1fa8 # [ 77.721445] 1fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e8d000 0000000b 00000001 # [ 77.731878] 1fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e8d000 00020000 0043fe38 # [ 77.742394] 1fe0: 00000004 be81a7e8 b6f5333b b6ecc616 60080030 00000001 00000000 00000000 # [ 77.752736] Backtrace: # [ 77.757363] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 77.768398] r7:c47c1f60 r6:0000000b r5:c63d4000 r4:c47c0000 # [ 77.776405] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.787263] r4:00000020 # [ 77.791971] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.802408] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.813267] r9:c47c1f60 r8:c3022c00 r7:0000000b r6:b6e8d000 r5:c60cde00 r4:c0c599ac # [ 77.823444] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.832306] r9:c07e2978 r8:c47c1f60 r7:c290d000 r6:b6e8d000 r5:c60cde00 r4:00000000 # [ 77.840321] [] (vfs_write) from [[ 78.361845] lkdtm: Performing direct entry EXEC_KMALLOC >] (ksys_write+0x74/0c[) 78.367959] lkdtm: attempting ok execution at c0c5a33c # [ 77.847726] r10:00000004 r9<6>[ 78.375772] lkdtm: attempting bad execution at c46abb80 :00000000 r8:00000000 r7:b6e8d000<1>[ 78.384065] 8<--- cut here --- r6:c47c0000 r5:c60cde00 # [ < 1>[ 78.390163] Unable to handle kernel paging request at virtual address c46abb80 77.855820] r4:c60cde<010> [ # 78.400339] pgd = c1ff98e9 [ 77.858626] [] (ksys<1>[ 78.405571] [c46abb80] *pgd=1461141e(bad) _write) from [] (sys_w<0>[ 78.412723] Internal error: Oops: 8000000d [#5] SMP ARM ite+0x18/0x1c) # [ 77.866030] <4>[ 78.420984] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 r9:c47c0000 r8:c03002e4 r7:00000<4>[ 78.456001] CPU: 1 PID: 1910 Comm: cat Tainted: G D W 5.10.218-cip49 #1 004 r6:7ff00000 r5:<040>0[0 0 0 08.466865] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) b r4:0000000b # [ 77.87404<64][ 78.475837] PC is at 0xc46abb80 [] (sys_write) from [<<4>[ 78.481864] LR is at execute_location+0xa4/0xb4 c03000c0>] (ret_fast_sysl[l 78.489509] pc : [] lr : [] psr: 60080013 0x0/0x28) # [ 77.881880<]4 >E[ 78.498470] sp : c6291e30 ip : c6291d38 fp : c6291e4c ception stack(0xc47f[a 8 t8.506472] r10: 0000000d r9 : c1ad7180 r8 : c15ec020 o 0xc47c1ff0) # [ < 47>7[. 8 8 78.514136] r7 : c6291f60 r6 : 00000001 r5 : c46abb80 r4 : c0c5a33c 201] 1fa0: < 4 > [ 78.523187] r3 : c2879b9e r2 : c2879b9e r1 : ef7965e0 r0 : 0000002b 0000000b 0000000b 000000<041> [ 78.532241] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 6e8d000 0000000b 00000<040>1[ 78.542157] Control: 10c5387d Table: 161a804a DAC: 00000051 [ 77.895647] 1fc0: 000<000>0[0 78.550515] Process cat (pid: 1910, stack limit = 0xd82ee50c) b 0000000b 7ff00000 00<000>0[0 0 78.558956] Stack: (0xc6291e30 to 0xc6292000) 00000001 b6e8d000 00020000 0043<0>[ 78.565931] 1e20: c46abb80 c63d4000 0000000d c6291f60 e38 # [ 77.904091] 1fe0: 00000<0>[ 78.577155] 1e40: c6291e64 c6291e50 c0c5a38c c13cc384 00000021 c63d4000 c6291e74 c6291e68 004 be81a7e8 b6f533<30b> [b 6 e c8.588463] 1e60: c0c595cc c0c5a360 c6291e9c c6291e78 c0c59acc c0c595ac c0c599ac c29c6780 c616 # [ 77.909411] Code: c47c<0>[ 78.599089] 1e80: b6e85000 0000000d c3022c00 c6291f60 c6291ec4 c6291ea0 c07e29dc c0c599b8 1e08 c13cc5c4 c13cc384 c47c1e6c <0>[ 78.610396] 1ea0: 00000000 c29c6780 b6e85000 c290d000 c6291f60 c07e2978 c6291f5c c6291ec8 e1a0c00d) # [ 77.915777] --<->[ 78.621617] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6290000 [ end trace 1286819e0a8ce1c8 ]-<->[ 78.632751] 1ee0: b6e85000 00020000 00000004 0000000d 0001fff3 c6291ee0 00000001 b6e84000 - # EXEC_STACK: missing 'call< 0>[ 78.643884] 1f00: c4205e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 race:': [FAIL] not ok 31 selfte<0>[ 78.655020] 1f20: 00000000 00000000 c13e1980 c2879b9e c206c1a0 c29c6780 c29c6780 c6290000 ts: lkdtm: EXEC_STACK.sh # exi[ 78.666240] 1f40: b6e85000 00000000 00000000 00000004 c6291f94 c6291f60 c059c9b0 c059c304 1 # selftests: lkdtm: EXEC_KMALL0>[ 78.677377] 1f60: 00000000 00000000 c6291fac c2879b9e 0000000d 0000000d 7ff00000 00000004 OC.sh <0>[ 78.688595] 1f80: c03002e4 c6290000 c6291fa4 c6291f98 c059ca40 c059c948 00000000 c6291fa8 <0>[ 78.697645] 1fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e85000 0000000d 00000001 <0>[ 78.706116] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e85000 00020000 004cfe38 <0>[ 78.714586] 1fe0: 00000004 bec697e8 b6f4b33b b6ec4616 60080030 00000001 00000000 00000000 <0>[ 78.723042] Backtrace: <0>[ 78.725814] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 78.734547] r7:c6291f60 r6:0000000d r5:c63d4000 r4:c46abb80 <0>[ 78.740513] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.749151] r5:c63d4000 r4:00000021 <0>[ 78.753027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.761340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.769550] r9:c6291f60 r8:c3022c00 r7:0000000d r6:b6e85000 r5:c29c6780 r4:c0c599ac <0>[ 78.777602] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.785727] r9:c07e2978 r8:c6291f60 r7:c290d000 r6:b6e85000 r5:c29c6780 r4:00000000 <0>[ 78.793767] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.801196] r10:00000004 r9:00000000 r8:00000000 r7:b6e85000 r6:c6290000 r5:c29c6780 <0>[ 78.809307] r4:c29c6780 <0>[ 78.812137] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.819566] r9:c6290000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 78.827608] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.835462] Exception stack(0xc6291fa8 to 0xc6291ff0) <0>[ 78.840807] 1fa0: 0000000d 0000000d 00000001 b6e85000 0000000d 00000001 <0>[ 78.849278] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e85000 00020000 004cfe38 <0>[ 78.857745] 1fe0: 00000004 bec697e8 b6f4b33b b6ec4616 <0>[ 78.863092] Code: efeac5e0 efeac560 efeac480 efeac520 (e1a0c00d) <4>[ 78.869482] ---[ end trace 1286819e0a8ce1c9 ]--- # Segmentation fault # [ 78.361845] lkdtm: Performing direct entry EXEC_KMALLOC # [ 78.367959] lkdtm: attempting ok execution at c0c5a33c # [ 78.375772] lkdtm: attempting bad execution at c46abb80 # [ 78.384065] 8<--- cut here --- # [ 78.390163] Unable to handle kernel paging request at virtual address c46abb80 # [ 78.400339] pgd = c1ff98e9 # [ 78.405571] [c46abb80] *pgd=1461141e(bad) # [ 78.412723] Internal error: Oops: 8000000d [#5] SMP ARM # [ 78.420984] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 78.456001] CPU: 1 PID: 1910 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 78.466865] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.475837] PC is at 0xc46abb80 # [ 78.481864] LR is at execute_location+0xa4/0xb4 # [ 78.489509] pc : [] lr : [] psr: 60080013 # [ 78.498470] sp : c6291e30 ip : c6291d38 fp : c6291e4c # [ 78.506472] r10: 0000000d r9 : c1ad7180 r8 : c15ec020 # [ 78.514136] r7 : c6291f60 r6 : 00000001 r5 : c46abb80 r4 : c0c5a33c # [ 78.523187] r3 : c2879b9e r2 : c2879b9e r1 : ef7965e0 r0 : 0000002b # [ 78.532241] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.542157] Control: 10c5387d Table: 161a804a DAC: 00000051 # [ 78.550515] Process cat (pid: 1910, stack limit = 0xd82ee50c) # [ 78.558956] Stack: (0xc6291e30 to 0xc6292000) # [ 78.565931] 1e20: c46abb80 c63d4000 0000000d c6291f60 # [ 78.577155] 1e40: c6291e64 c6291e50 c0c5a38c c13cc384 00000021 c63d4000 c6291e74 c6291e68 # [ 78.588463] 1e60: c0c595cc c0c5a360 c6291e9c c6291e78 c0c59acc c0c595ac c0c599ac c29c6780 # [ 78.599089] 1e80: b6e85000 0000000d c3022c00 c6291f60 c6291ec4 c6291ea0 c07e29dc c0c599b8 # [ 78.610396] 1ea0: 00000000 c29c6780 b6e85000 c290d000 c6291f60 c07e2978 c6291f5c c6291ec8 # [ 78.621617] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6290000 # [ 78.632751] 1ee0: b6e85000 00020000 00000004 0000000d 0001fff3 c6291ee0 00000001 b6e84000 # [ 78.643884] 1f00: c4205e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.655020] 1f20: 00000000 00000000 c13e1980 c2879b9e c206c1a0 c29c6780 c29c6780 c6290000 # [ 78.666240] 1f40: b6e85000 00000000 00000000 00000004 c6291f94 c6291f60 c059c9b0 c059c304 # [ 78.677377] 1f60: 00000000 00000000 c6291fac c2879b9e 0000000d 0000000d 7ff00000 00000004 # [ 78.688595] 1f80: c03002e4 c6290000 c6291fa4 c6291f98 c059ca40 c059c948 00000000 c6291fa8 # [ 78.697645] 1fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e85000 0000000d 00000001 # [ 78.706116] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e85000 00020000 004cfe38 # [ 78.714586] 1fe0: 00000004 bec697e8 b6f4b33b b6ec4616 60080030 00000001 00000000 00000000 # [ 78.723042] Backtrace: # [ 78.725814] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 78.734547] r7:c6291f60 r6:0000000d r5:c63d4000 r4:c46abb80 # [ 78.740513] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.749151] r5:c63d4000 r4:00000021 # [ 78.753027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.761340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.769550] r9:c6291f60 r8:c3022c00 r7:0000000d r6:b6e85000 r5:c29c6780 r4:c0c599ac # [ 78.777602] [[ 79.271119] lkdtm: Performing direct entry EXEC_VMALLOC 8>] (full_proxy_write) from [[ 79.279088] lkdtm: attempting ok execution at c0c5a33c 9c404>] (vfs_write+0x10c/<06x>5[3 79.287266] lkdtm: attempting bad execution at f0c48000 c) # [ 78.785727] r9:c07e2978<1>[ 79.295277] 8<--- cut here --- r8:c6291f60 r7:c290d000 r6:b6e85<1>[ 79.301502] Unable to handle kernel paging request at virtual address f0c48000 000 r5:c29c6780 r4:00000000 # [ <1>[ 79.311798] pgd = 11a1675c 78.793767] [] (vfs_wr<1>[ 79.317548] [f0c48000] *pgd=12c8a811, *pte=4b84165f, *ppte=4b84145f ite) from [] (ksys_writ<0>[ 79.327008] Internal error: Oops: 8000000f [#6] SMP ARM e+0x74/0xec) # [ 78.801196] r<4>[ 79.335294] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 10:00000004 r9:00000000 r<84:>0[0 79.370295] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.218-cip49 #1 000000 r7:b65[0 0 0 7r96.:380722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6290000 r5:c29c6780 #< 4[> [ 79.389426] PC is at 0xf0c48000 8.809307] r4:c29c6780 # [ 78.4>[ 79.395179] LR is at execute_location+0xa4/0xb4 812137] [3[c > ] 7(9k.402735] pc : [] lr : [] psr: 60080013 ys_write) fr [[ < c 0759.94c1256] sp : c6047e30 ip : c6047d38 fp : c6047e4c a40>] (sys_wt[e + 0 x7198./418563] r10: 0000000d r9 : c1ad7190 r8 : c15ec020 x1c) # [ 7<84.>8[1 9 5 6769]. 25960] r7 : c6047f60 r6 : 00000001 r5 : f0c48000 r4 : c0c5a33c r9:c629<040>0[0 r 87:9.c40334054] r3 : 6c2ae455 r2 : 6c2ae455 r1 : ef7ab5e0 r0 : 0000002b 02e4 r7:00000004 :[7 f f 070.443095] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000 r5:0000000d< 4r>4[: 0 0 07090452574] Control: 10c5387d Table: 1609404a DAC: 00000051 00d # [ 78.827<600>8[] [ <7c.460577] Process cat (pid: 1988, stack limit = 0x73af76a5) 059ca28>] (syw[r i t7e9). 468663] Stack: (0xc6047e30 to 0xc6048000) rom [] (ref[a s t 79.475193] 7e20: f0c48000 c438d000 0000000d c6047f60 syscall+0x0/0x28) <#0 >[[ 79.485888] 7e40: c6047e64 c6047e50 c0c5a3c0 c13cc384 00000022 c438d000 c6047e74 c6047e68 8.835462] Exception sc[k ( 079.496496] 7e60: c0c595cc c0c5a3a4 c6047e9c c6047e78 c0c59acc c0c595ac c0c599ac c61a6c80 xc6291fa8 to 0xc6291f)[ #79.507189] 7e80: b6e20000 0000000d c3022c00 c6047f60 c6047ec4 c6047ea0 c07e29dc c0c599b8 [ 78.840807] 1fa<00:> [ 9.517883] 7ea0: 00000000 c61a6c80 b6e20000 c290d000 c6047f60 c07e2978 c6047f5c c6047ec8 0000000d 0<000>0[0 79.528490] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6046000 0d 00000001 b6e85000< 00>0[0 0 0 79.539354] 7ee0: b6e20000 00020000 00000004 0000000d 0001fff3 c6047ee0 00000001 b6e1f000 0d 00000001 # [ 7<80.>8[4 9 2 79.550046] 7f00: c435d900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 8] 1fc0: 0000000d 000<000>0[0 d 79.560740] 7f20: 00000000 00000000 c13e1980 6c2ae455 c206c1a0 c61a6c80 c61a6c80 c6046000 7ff00000 00000004 00<000>0[0 0 1 79.571432] 7f40: b6e20000 00000000 00000000 00000004 c6047f94 c6047f60 c059c9b0 c059c304 b6e85000 00020000< 00>0[4 c f e73.582126] 7f60: 00000000 00000000 c6047fac 6c2ae455 0000000d 0000000d 7ff00000 00000004 8 # [ 78.857745] 10[: 079.592647] 7f80: c03002e4 c6046000 c6047fa4 c6047f98 c059ca40 c059c948 00000000 c6047fa8 0000004 bec697e8 b6f<40b>3[3 b 79.603340] 7fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e20000 0000000d 00000001 6ec4616 # [ 78.863<009>2[] C79.614033] 7fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e20000 00020000 0041fe38 ode: efeac5e0 efeac5<600> [e f e 79.624726] 7fe0: 00000004 bece97e8 b6ee633b b6e5f616 60080030 00000001 00000000 00000000 c480 efeac520 (e1c[0 0 d )7 .635412] Backtrace: # [ 78.869482] ---[ end trace<0>[ 79.640220] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) 1286819e0a8ce1c9 ]--- < 0#> [E X 79.651773] r7:c6047f60 r6:0000000d r5:c438d000 r4:f0c48000 EC_KMALLOC: missing 'calt[r 79.660040] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) ce:': [FAIL] n [o k 3729 671073] r5:c438d000 r4:00000022 selftests: lkdtm: EXEC_KML[O 79.676913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) C.sh # exit=1 # selftests: lkdtm0>[ 79.687611] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) : EXEC_VMALLOC.sh <0>[ 79.698558] r9:c6047f60 r8:c3022c00 r7:0000000d r6:b6e20000 r5:c61a6c80 r4:c0c599ac <0>[ 79.708224] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.716330] r9:c07e2978 r8:c6047f60 r7:c290d000 r6:b6e20000 r5:c61a6c80 r4:00000000 <0>[ 79.724350] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.731759] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6046000 r5:c61a6c80 <0>[ 79.739858] r4:c61a6c80 <0>[ 79.742668] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.750080] r9:c6046000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 79.758102] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.765942] Exception stack(0xc6047fa8 to 0xc6047ff0) <0>[ 79.771268] 7fa0: 0000000d 0000000d 00000001 b6e20000 0000000d 00000001 <0>[ 79.779720] 7fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e20000 00020000 0041fe38 <0>[ 79.788167] 7fe0: 00000004 bece97e8 b6ee633b b6e5f616 <0>[ 79.793497] Code: bad PC value <4>[ 79.796919] ---[ end trace 1286819e0a8ce1ca ]--- # Segmentation fault # [ 79.271119] lkdtm: Performing direct entry EXEC_VMALLOC # [ 79.279088] lkdtm: attempting ok execution at c0c5a33c # [ 79.287266] lkdtm: attempting bad execution at f0c48000 # [ 79.295277] 8<--- cut here --- # [ 79.301502] Unable to handle kernel paging request at virtual address f0c48000 # [ 79.311798] pgd = 11a1675c # [ 79.317548] [f0c48000] *pgd=12c8a811, *pte=4b84165f, *ppte=4b84145f # [ 79.327008] Internal error: Oops: 8000000f [#6] SMP ARM # [ 79.335294] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 79.370295] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 79.380722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.389426] PC is at 0xf0c48000 # [ 79.395179] LR is at execute_location+0xa4/0xb4 # [ 79.402735] pc : [] lr : [] psr: 60080013 # [ 79.411256] sp : c6047e30 ip : c6047d38 fp : c6047e4c # [ 79.418563] r10: 0000000d r9 : c1ad7190 r8 : c15ec020 # [ 79.425960] r7 : c6047f60 r6 : 00000001 r5 : f0c48000 r4 : c0c5a33c # [ 79.434654] r3 : 6c2ae455 r2 : 6c2ae455 r1 : ef7ab5e0 r0 : 0000002b # [ 79.443095] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.452574] Control: 10c5387d Table: 1609404a DAC: 00000051 # [ 79.460577] Process cat (pid: 1988, stack limit = 0x73af76a5) # [ 79.468663] Stack: (0xc6047e30 to 0xc6048000) # [ 79.475193] 7e20: f0c48000 c438d000 0000000d c6047f60 # [ 79.485888] 7e40: c6047e64 c6047e50 c0c5a3c0 c13cc384 00000022 c438d000 c6047e74 c6047e68 # [ 79.496496] 7e60: c0c595cc c0c5a3a4 c6047e9c c6047e78 c0c59acc c0c595ac c0c599ac c61a6c80 # [ 79.507189] 7e80: b6e20000 0000000d c3022c00 c6047f60 c6047ec4 c6047ea0 c07e29dc c0c599b8 # [ 79.517883] 7ea0: 00000000 c61a6c80 b6e20000 c290d000 c6047f60 c07e2978 c6047f5c c6047ec8 # [ 79.528490] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6046000 # [ 79.539354] 7ee0: b6e20000 00020000 00000004 0000000d 0001fff3 c6047ee0 00000001 b6e1f000 # [ 79.550046] 7f00: c435d900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.560740] 7f20: 00000000 00000000 c13e1980 6c2ae455 c206c1a0 c61a6c80 c61a6c80 c6046000 # [ 79.571432] 7f40: b6e20000 00000000 00000000 00000004 c6047f94 c6047f60 c059c9b0 c059c304 # [ 79.582126] 7f60: 00000000 00000000 c6047fac 6c2ae455 0000000d 0000000d 7ff00000 00000004 # [ 79.592647] 7f80: c03002e4 c6046000 c6047fa4 c6047f98 c059ca40 c059c948 00000000 c6047fa8 # [ 79.603340] 7fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e20000 0000000d 00000001 # [ 79.614033] 7fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e20000 00020000 0041fe38 # [ 79.624726] 7fe0: 00000004 bece97e8 b6ee633b b6e5f616 60080030 00000001 00000000 00000000 # [ 79.635412] Backtrace: # [ 79.640220] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 79.651773] r7:c6047f60 r6:0000000d r5:c438d000 r4:f0c48000 # [ 79.660040] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.671073] r5:c438d000 r4:00000022 # [ 79.676913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.687611]<6>[ 80.190298] lkdtm: Performing direct entry EXEC_RODATA [] (dirt[_ e n8t.197698] lkdtm: attempting ok execution at c0c5a33c ry) from [] (full_proxy<6>[ 80.205406] lkdtm: attempting bad execution at c15ec2bc _write+0x64/0x94) # [ 79.69855<1>[ 80.213709] 8<--- cut here --- 8] r9:c6047f6<01 >r[8 : c 38002.219726] Unable to handle kernel paging request at virtual address c15ec2bc c00 r7:0000000d r6:e[2 0 0 00.229210] pgd = c8183ad6 0 r5:c61a6c80 r4:c0c599ac # [ <1>[ 80.234345] [c15ec2bc] *pgd=1141941e(bad) 79.708224] [] <(0f>u[l 80.241401] Internal error: Oops: 8000000d [#7] SMP ARM _proxy_write) from [] (<4>[ 80.249311] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 vfs_write+0x10c/0x53c) <#4 >[[ 80.284318] CPU: 1 PID: 2066 Comm: cat Tainted: G D W 5.10.218-cip49 #1 79.716330] :[c 0 7 e8209.794745] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8 r8:c6047f60 r7:c290d000 r6:0[0 80.311367] LR is at execute_location+0xa4/0xb4 0 # [ 79.72<443>5[0 ] [8<0c.318580] pc : [] lr : [] psr: 60080013 59c2f8>] (vfw[r i t e8)0 .f327102] sp : c5eefe38 ip : c5eefd40 fp : c5eefe54 om [>][ ( k s8y0s._334498] r10: 0000000c r9 : c1ad71a0 r8 : c15ec020 rite+0x74/0xe [ # [80 . 341895] r7 : c5eeff60 r6 : 00000000 r5 : c15ec2bc r4 : c0c5a33c 79.731759] r<140>:[0 0 0 08000.050591] r3 : ef10cea2 r2 : ef10cea2 r1 : ef7965e0 r0 : 0000002b 4 r9:00000000 r8:<040>0[0 0 0 080.359291] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r7:b6e20000 r<64:>c[6 0 4 68000.368769] Control: 10c5387d Table: 1476404a DAC: 00000051 r5:c61a6c80 # [< 0 > [7 9 .870.376772] Process cat (pid: 2066, stack limit = 0x01ac0557) 9858] r4:c61a<60c>8[0 #8 0[.384859] Stack: (0xc5eefe38 to 0xc5ef0000) 79.742668] [<5[9 c 9 38c0>391474] fe20: 00000023 c63d4000 ] (ksys_write) from [<5[9 c 80.401912] fe40: 0000000c c5eeff60 c5eefe64 c5eefe58 c13cc604 c13cc384 c5eefe74 c5eefe68 40>] (sys_write+0x<108>/[0 x 1 c80.412693] fe60: c0c595cc c13cc5ec c5eefe9c c5eefe78 c0c59acc c0c595ac c0c599ac c60ccc80 # [ 79.750080] :[c 6 0 80.423299] fe80: b6db8000 0000000c c3022c00 c5eeff60 c5eefec4 c5eefea0 c07e29dc c0c599b8 6000 r8:c03002e4 r7:00<000>0[0 0 80.433995] fea0: 00000000 c60ccc80 b6db8000 c290d000 c5eeff60 c07e2978 c5eeff5c c5eefec8 r6:7ff00000 r5:00000<000>d[ r 480.444775] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c5eee000 :0000000d # [ 79<.07>5[8 1 0 20.455469] fee0: b6db8000 00020000 00000004 0000000c 0001fff4 c5eefee0 00000001 b6db7000 ] [] (syw[r i t e80.466074] ff00: c4350000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 from []< 0(>r[e t _ f80.476682] ff20: 00000000 00000000 c13e1980 ef10cea2 c206c1a0 c60ccc80 c60ccc80 c5eee000 st_syscall+0x0/0x2<80)> [ # [80.487289] ff40: b6db8000 00000000 00000000 00000004 c5eeff94 c5eeff60 c059c9b0 c059c304 79.765942] Exceptios[t a c80.497897] ff60: 00000000 00000000 c5eeffac ef10cea2 0000000c 0000000c 7ff00000 00000004 k(0xc6047fa8 to 0xc<600>4[7 f f 00.508589] ff80: c03002e4 c5eee000 c5eeffa4 c5eeff98 c059ca40 c059c948 00000000 c5eeffa8 ) # [ 79.771268] <70f>a[0 : 80.519196] ffa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6db8000 0000000c 00000001 <000>0[0 0 0 08d.529889] ffc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6db8000 00020000 004cfe38 0000000d 00000001 b60[0 0 080.540410] ffe0: 00000004 bebb87e8 b6e7e33b b6df7616 60080030 00000001 00000000 00000000 0000000d 0000000<10 > [# [ 80.551095] Backtrace: 79.779720] 7fc0: 0000000d 0000<0>[ 80.555900] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 00d 7ff00000 00000<000>4[ 0 0 080.567195] r7:c5eeff60 r6:0000000c r5:c63d4000 r4:00000023 0001 b6e20000 00020000 0041fe38< >[ 80.575291] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.788167] 7fe0: 0<000>0[0 80.586503] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 004 bece97e8 b6ee633b b6e5f616 #0>[ 80.597203] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.793497] Code:< 0b>a[d P80.608148] r9:c5eeff60 r8:c3022c00 r7:0000000c r6:b6db8000 r5:c60ccc80 r4:c0c599ac C value # [ 79.796919] ---[ e<0>[ 80.618416] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) d trace 1286819e0a8ce<10c>a[ ] -80.629275] r9:c07e2978 r8:c5eeff60 r7:c290d000 r6:b6db8000 r5:c60ccc80 r4:00000000 -- # EXEC_VMALLOC: missin'[ 80.639537] [] (vfs_write) from [] (ksys_write+0x74/0xec) all trace:': [FAIL]< 0 >n[o t o0.649445] r10:00000004 r9:00000000 r8:00000000 r7:b6db8000 r6:c5eee000 r5:c60ccc80 k 33 selftest [l k d t8m0:. 59700] r4:c60ccc80 EXEC_VMALLOC.sh # exit=1 <#0 >s[ 80.664414] [] (ksys_write) from [] (sys_write+0x18/0x1c) lftests: lkdtm: EXER[O D A T0.674324] r9:c5eee000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c A.sh <0>[ 80.684500] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.692840] Exception stack(0xc5eeffa8 to 0xc5eefff0) <0>[ 80.698164] ffa0: 0000000c 0000000c 00000001 b6db8000 0000000c 00000001 <0>[ 80.706615] ffc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6db8000 00020000 004cfe38 <0>[ 80.715062] ffe0: 00000004 bebb87e8 b6e7e33b b6df7616 <0>[ 80.720389] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 80.726758] ---[ end trace 1286819e0a8ce1cb ]--- # Segmentation fault # [ 80.190298] lkdtm: Performing direct entry EXEC_RODATA # [ 80.197698] lkdtm: attempting ok execution at c0c5a33c # [ 80.205406] lkdtm: attempting bad execution at c15ec2bc # [ 80.213709] 8<--- cut here --- # [ 80.219726] Unable to handle kernel paging request at virtual address c15ec2bc # [ 80.229210] pgd = c8183ad6 # [ 80.234345] [c15ec2bc] *pgd=1141941e(bad) # [ 80.241401] Internal error: Oops: 8000000d [#7] SMP ARM # [ 80.249311] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 80.284318] CPU: 1 PID: 2066 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 80.294745] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.303453] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 80.311367] LR is at execute_location+0xa4/0xb4 # [ 80.318580] pc : [] lr : [] psr: 60080013 # [ 80.327102] sp : c5eefe38 ip : c5eefd40 fp : c5eefe54 # [ 80.334498] r10: 0000000c r9 : c1ad71a0 r8 : c15ec020 # [ 80.341895] r7 : c5eeff60 r6 : 00000000 r5 : c15ec2bc r4 : c0c5a33c # [ 80.350591] r3 : ef10cea2 r2 : ef10cea2 r1 : ef7965e0 r0 : 0000002b # [ 80.359291] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.368769] Control: 10c5387d Table: 1476404a DAC: 00000051 # [ 80.376772] Process cat (pid: 2066, stack limit = 0x01ac0557) # [ 80.384859] Stack: (0xc5eefe38 to 0xc5ef0000) # [ 80.391474] fe20: 00000023 c63d4000 # [ 80.401912] fe40: 0000000c c5eeff60 c5eefe64 c5eefe58 c13cc604 c13cc384 c5eefe74 c5eefe68 # [ 80.412693] fe60: c0c595cc c13cc5ec c5eefe9c c5eefe78 c0c59acc c0c595ac c0c599ac c60ccc80 # [ 80.423299] fe80: b6db8000 0000000c c3022c00 c5eeff60 c5eefec4 c5eefea0 c07e29dc c0c599b8 # [ 80.433995] fea0: 00000000 c60ccc80 b6db8000 c290d000 c5eeff60 c07e2978 c5eeff5c c5eefec8 # [ 80.444775] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c5eee000 # [ 80.455469] fee0: b6db8000 00020000 00000004 0000000c 0001fff4 c5eefee0 00000001 b6db7000 # [ 80.466074] ff00: c4350000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.476682] ff20: 00000000 00000000 c13e1980 ef10cea2 c206c1a0 c60ccc80 c60ccc80 c5eee000 # [ 80.487289] ff40: b6db8000 00000000 00000000 00000004 c5eeff94 c5eeff60 c059c9b0 c059c304 # [ 80.497897] ff60: 00000000 00000000 c5eeffac ef10cea2 0000000c 0000000c 7ff00000 00000004 # [ 80.508589] ff80: c03002e4 c5eee000 c5eeffa4 c5eeff98 c059ca40 c059c948 00000000 c5eeffa8 # [ 80.519196] ffa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6db8000 0000000c 00000001 # [ 80.529889] ffc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6db8000 00020000 004cfe38 # [ 80.540410] ffe0: 00000004 bebb87e8 b6e7e33b b6df7616 60080030 00000001 00000000 00000000 # [ 80.551095] Backtrace: # [ 80.555900] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 80.567195] r7:c5eeff60 r6:0000000c r5:c63d4000 r4:00000023 # [ 80.575291] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.586503] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.597203] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.608148] r9:c5eeff60 r8:c3022c00 r7:0000000c r6:b6db8000 r5:c60ccc80 r4:c0c599ac # [ 80.618416] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.629275] r9:c07e2978 r8:c5eeff60 r7:c290d000 r6:b6db8000 r5:c60ccc80 r4:00000000 # [ 80.639537] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.649445] r10:00000004 r9:00000000 r8:00000000 r7:b6db8000 r6:c5eee000 r5:c60ccc80 # [ 80.659700] r4:c60ccc80 # [<6>[ 81.172200] lkdtm: Performing direct entry EXEC_USERSPACE 80.664414] [] (ksys_<6>[ 81.180040] lkdtm: attempting ok execution at c0c5a33c write) from [] (sys_wri<6>[ 81.188316] lkdtm: attempting bad execution at b6fae000 te+0x18/0x1c) # [ 80.674324] <1>[ 81.196697] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fae000 r9:c5eee000 r8:c03002e4 :[0 81.206809] Internal error: : b [#8] SMP ARM 000004 r6:7ff00000 r5:0000000c r4<4>[ 81.213764] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 :0000000c # [ 80.6<844>5[0 0 ]81.248768] CPU: 3 PID: 2143 Comm: cat Tainted: G D W 5.10.218-cip49 #1 [4]> [( s y s81_.w2r59021] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) te) from []< 4(>r[e t _81.267635] PC is at 0xb6fae000 fast_syscall+0x0/0x28) # [< 4 > 81.273297] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 80.692840]< 4E>x[c e p t8i1o.n2 80941] pc : [] lr : [] psr: 60080013 tack(0xc5ef[ a 8 8t1o. 208x289] sp : c6103e48 ip : c6103d50 fp : c6103e64 c5eefff0)< 4 >#[ [ 8 18.02.96510] r10: 0000000f r9 : c1ad71ac r8 : c15ec020 98164] f0[: 8 1 . 3 0 3730] r7 : c6103f60 r6 : 0000000f r5 : c6371000 r4 : b6fae000 0<040>0[ 0 0 08c1 .03012252] r3 : dddc01d4 r2 : dddc01d4 r1 : ef7c05e0 r0 : 0000002b 0000c 000000<041> [b 6 d b8810.0320863] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000000c 000<040>0[0 1 8#1 .[30166] Control: 10c5387d Table: 1623804a DAC: 00000051 80.706615] c[0 : 08010.338083] Process cat (pid: 2143, stack limit = 0x6aa53ed7) 000c 000000<00c> [7 f f 0810.03046080] Stack: (0xc6103e48 to 0xc6104000) 00000004 00000001< 0b>6[d b 8 081.352524] 3e40: 00000001 00000000 0000000f 00000024 c6103e74 c6103e68 0 00020000 004cf8[ # 8[1.363129] 3e60: c0c595cc c0c5a3d8 c6103e9c c6103e78 c0c59acc c0c595ac c0c599ac c4323cc0 80.715062] ffe0:< 00>0[0 0 0 081.373649] 3e80: b6e73000 0000000f c3022c00 c6103f60 c6103ec4 c6103ea0 c07e29dc c0c599b8 4 bebb87e8 b6e7<0e>3[3 b b861d.384254] 3ea0: 00000000 c4323cc0 b6e73000 c290d000 c6103f60 c07e2978 c6103f5c c6103ec8 7616 # [ 80.7<200>3[8 9 ] 8C1.394688] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6102000 de: 5f727563 6e<705>6[f 6 3 8010405208] 3ee0: b6e73000 00020000 00000004 0000000f 0001fff1 c6103ee0 00000001 b6e72000 000074 aa55aa55 <(0e>1[a 0 c 0801.415639] 3f00: c467bcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ) # [ 80.72<607>5[8 ] -8-1-426159] 3f20: 00000000 00000000 c13e1980 dddc01d4 c206c1a0 c4323cc0 c4323cc0 c6102000 [ end trace 12868<109>e[0 a 8 c8e.436591] 3f40: b6e73000 00000000 00000000 00000004 c6103f94 c6103f60 c059c9b0 c059c304 1cb ]--- # EX_[R O D A8T1A.447109] 3f60: 00000000 00000000 c6103fac dddc01d4 0000000f 0000000f 7ff00000 00000004 missing 'call a[c e : '8:1 457542] 3f80: c03002e4 c6102000 c6103fa4 c6103f98 c059ca40 c059c948 00000000 c6103fa8 [FAIL] not ok< 03>4[ s e l8f1t.467975] 3fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e73000 0000000f 00000001 sts: lkdtm: EXEC<_0R>O[D A T A8.1.478407] 3fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e73000 00020000 004dfe38 h # exit=1 # set[e s t s8:1.488926] 3fe0: 00000004 bec8d7e8 b6f3933b b6eb2616 60080030 00000001 00000000 00000000 lkdtm: EXEC_UR[S P A C8E1..s99438] Backtrace: h <0>[ 81.504066] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.513101] r4:00000024 <0>[ 81.515909] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.524189] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.532376] r9:c6103f60 r8:c3022c00 r7:0000000f r6:b6e73000 r5:c4323cc0 r4:c0c599ac <0>[ 81.540395] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 81.548495] r9:c07e2978 r8:c6103f60 r7:c290d000 r6:b6e73000 r5:c4323cc0 r4:00000000 <0>[ 81.556509] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.563915] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c6102000 r5:c4323cc0 <0>[ 81.572009] r4:c4323cc0 <0>[ 81.574814] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.582219] r9:c6102000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f <0>[ 81.590235] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.598071] Exception stack(0xc6103fa8 to 0xc6103ff0) <0>[ 81.603391] 3fa0: 0000000f 0000000f 00000001 b6e73000 0000000f 00000001 <0>[ 81.611836] 3fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e73000 00020000 004dfe38 <0>[ 81.620281] 3fe0: 00000004 bec8d7e8 b6f3933b b6eb2616 <0>[ 81.625604] Code: bad PC value <4>[ 81.628933] ---[ end trace 1286819e0a8ce1cc ]--- # Segmentation fault # [ 81.172200] lkdtm: Performing direct entry EXEC_USERSPACE # [ 81.180040] lkdtm: attempting ok execution at c0c5a33c # [ 81.188316] lkdtm: attempting bad execution at b6fae000 # [ 81.196697] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fae000 # [ 81.206809] Internal error: : b [#8] SMP ARM # [ 81.213764] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 81.248768] CPU: 3 PID: 2143 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 81.259021] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.267635] PC is at 0xb6fae000 # [ 81.273297] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 81.280941] pc : [] lr : [] psr: 60080013 # [ 81.289289] sp : c6103e48 ip : c6103d50 fp : c6103e64 # [ 81.296510] r10: 0000000f r9 : c1ad71ac r8 : c15ec020 # [ 81.303730] r7 : c6103f60 r6 : 0000000f r5 : c6371000 r4 : b6fae000 # [ 81.312252] r3 : dddc01d4 r2 : dddc01d4 r1 : ef7c05e0 r0 : 0000002b # [ 81.320863] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.330166] Control: 10c5387d Table: 1623804a DAC: 00000051 # [ 81.338083] Process cat (pid: 2143, stack limit = 0x6aa53ed7) # [ 81.346080] Stack: (0xc6103e48 to 0xc6104000) # [ 81.352524] 3e40: 00000001 00000000 0000000f 00000024 c6103e74 c6103e68 # [ 81.363129] 3e60: c0c595cc c0c5a3d8 c6103e9c c6103e78 c0c59acc c0c595ac c0c599ac c4323cc0 # [ 81.373649] 3e80: b6e73000 0000000f c3022c00 c6103f60 c6103ec4 c6103ea0 c07e29dc c0c599b8 # [ 81.384254] 3ea0: 00000000 c4323cc0 b6e73000 c290d000 c6103f60 c07e2978 c6103f5c c6103ec8 # [ 81.394688] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6102000 # [ 81.405208] 3ee0: b6e73000 00020000 00000004 0000000f 0001fff1 c6103ee0 00000001 b6e72000 # [ 81.415639] 3f00: c467bcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.426159] 3f20: 00000000 00000000 c13e1980 dddc01d4 c206c1a0 c4323cc0 c4323cc0 c6102000 # [ 81.436591] 3f40: b6e73000 00000000 00000000 00000004 c6103f94 c6103f60 c059c9b0 c059c304 # [ 81.447109] 3f60: 00000000 00000000 c6103fac dddc01d4 0000000f 0000000f 7ff00000 00000004 # [ 81.457542] 3f80: c03002e4 c6102000 c6103fa4 c6103f98 c059ca40 c059c948 00000000 c6103fa8 # [ 81.467975] 3fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e73000 0000000f 00000001 # [ 81.478407] 3fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e73000 00020000 004dfe38 # [ 81.488926] 3fe0: 00000004 bec8d7e8 b6f3933b b6eb2616 60080030 00000001 00000000 00000000 # [ 81.499438] Backtrace: # [ 81.504066] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.513101] r4:00000024 # [ 81.515909] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.524189] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.532376] r9:c6103f60 r8:c3022c00 r7:0000000f r6:b6e73000 r5:c4323cc0 r4:c0c599ac # [ 81.540395] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.548495] r9:c07e2978 r8:c6103f60 r7:c290d000 r6:b6e73000 r5:c4323cc0 r4:00000000 # [ 81.556509] [] (vfs_write) from [] (ksys_write+0x74/0xec) <6>[ 82.021094] lkdtm: Performing direct entry EXEC_NULL # [ 81.563915]< 6 >r[1 0 : 080.027665] lkdtm: attempting ok execution at c0c5a33c 000004 r9:00000000 r8:00000000 r7<6>[ 82.035382] lkdtm: attempting bad execution at 00000000 :b6e73000 r6:c6102000 r5:c4323cc0<1>[ 82.043562] 8<--- cut here --- # [ 81.572009] r4:c4323cc0 <1>[ 82.049781] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.574814] [] (ks<1>[ 82.060947] pgd = 95c47e7f ys_write) from [] (sys_<1>[ 82.066737] [00000000] *pgd=00000000 write+0x18/0x1c) # [ 81.582219<0>[ 82.073490] Internal error: Oops: 80000005 [#9] SMP ARM ] r9:c6102000 r8:c03002e4 r7:000<4>[ 82.081787] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 00004 r6:7ff00000 r5:0<040>0[0 0 82.116792] CPU: 3 PID: 2215 Comm: cat Tainted: G D W 5.10.218-cip49 #1 f r4:0000000 [# [ 8 2 .8127132] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) .590235] [>][ ( s y82.135832] PC is at 0x0 _write) from []< 4(>r[e 82.140801] LR is at execute_location+0xa4/0xb4 t_fast_syscl[+ 0 x 08/20.x128012] pc : [<00000000>] lr : [] psr: 60080013 8) # [ < 48>1[. 5 9 88027.11]5 360] sp : c601be38 ip : c601bd40 fp : c601be54 Excepti [s t a c8k2(.016x3c579] r10: 0000000a r9 : c1ad71bc r8 : c15ec020 103fa8 to <04x>c[6 1 0 38f2f.01)70714] r7 : c601bf60 r6 : 00000000 r5 : 00000000 r4 : c0c5a33c # [ 81<.46>0[3 3 9 18]2 .31f7a323] r3 : 94485db5 r2 : 94485db5 r1 : ef7c05e0 r0 : 0000002b 0: < 4 > [ 8020.187848] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000f 000000<04f> [0 0 0 08020.0197236] Control: 10c5387d Table: 1476004a DAC: 00000051 b6e73000 0000<000>0[f 0 08020.205152] Process cat (pid: 2215, stack limit = 0x9bd061d9) 001 # [ 8<10.>6[1 1 8 3862]. 213152] Stack: (0xc601be38 to 0xc601c000) fc0: 0000000f <000>0[0 0 0 08f2 .219679] be20: 00000025 c6371000 ff00000 00000004 0<000>0[0 0 0 182.230114] be40: 0000000a c601bf60 c601be64 c601be58 c13cc628 c13cc384 c601be74 c601be68 b6e73000 0002000<00 >0[0 4 d f8e2.240719] be60: c0c595cc c13cc614 c601be9c c601be78 c0c59acc c0c595ac c0c599ac c435c3c0 8 # [ 81.62028<10]> [3 f e 08:.251238] be80: b6ea1000 0000000a c3022c00 c601bf60 c601bec4 c601bea0 c07e29dc c0c599b8 00000004 bec8d7e<80 >b[6 f 3 983.261756] bea0: 00000000 c435c3c0 b6ea1000 c290d000 c601bf60 c07e2978 c601bf5c c601bec8 3b b6eb2616 # [ <801>.[6 2 5 62.272276] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c601a000 04] Code: bad PC vu[e #82.282880] bee0: b6ea1000 00020000 00000004 0000000a 0001fff6 c601bee0 00000001 b6ea0000 [ 81.628933] <-0->-[[ e n8d2 293484] bf00: c4350dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 trace 1286819e<00a>8[c e 1 c8c2 .303917] bf20: 00000000 00000000 c13e1980 94485db5 c206c1a0 c435c3c0 c435c3c0 c601a000 --- # EXEC_USERSPE[: m i82.314349] bf40: b6ea1000 00000000 00000000 00000004 c601bf94 c601bf60 c059c9b0 c059c304 sing 'call trace:<'0:> [[ F A I8L.324955] bf60: 00000000 00000000 c601bfac 94485db5 0000000a 0000000a 7ff00000 00000004 ] not ok 35 set[e s t s8:2 335472] bf80: c03002e4 c601a000 c601bfa4 c601bf98 c059ca40 c059c948 00000000 c601bfa8 lkdtm: EXEC_USERSC[E . s h8 .345905] bfa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6ea1000 0000000a 00000001 # exit=1 # selftt[s : l8k.356424] bfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6ea1000 00020000 0048fe38 dtm: EXEC_NULL.s [ 82.366941] bfe0: 00000004 bee957e8 b6f6733b b6ee0616 60080030 00000001 00000000 00000000 <0>[ 82.377019] Backtrace: <0>[ 82.379749] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 82.388198] r7:c601bf60 r6:0000000a r5:c6371000 r4:00000025 <0>[ 82.394134] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.402496] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.410778] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.418967] r9:c601bf60 r8:c3022c00 r7:0000000a r6:b6ea1000 r5:c435c3c0 r4:c0c599ac <0>[ 82.426988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.435088] r9:c07e2978 r8:c601bf60 r7:c290d000 r6:b6ea1000 r5:c435c3c0 r4:00000000 <0>[ 82.443105] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.450510] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c601a000 r5:c435c3c0 <0>[ 82.458603] r4:c435c3c0 <0>[ 82.461408] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.468814] r9:c601a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 82.476829] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.484665] Exception stack(0xc601bfa8 to 0xc601bff0) <0>[ 82.489986] bfa0: 0000000a 0000000a 00000001 b6ea1000 0000000a 00000001 <0>[ 82.498434] bfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6ea1000 00020000 0048fe38 <0>[ 82.506878] bfe0: 00000004 bee957e8 b6f6733b b6ee0616 <0>[ 82.512202] Code: bad PC value <4>[ 82.515572] ---[ end trace 1286819e0a8ce1cd ]--- <3>[ 108.528434] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 108.534292] rcu: 0-....: (1 GPs behind) idle=1ce/1/0x40000004 softirq=6049/6050 fqs=1226 <4>[ 108.542825] (t=2602 jiffies g=6637 q=105) <4>[ 108.547190] NMI backtrace for cpu 0 <4>[ 108.550950] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 108.559219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.566011] Backtrace: <4>[ 108.568745] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.576586] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d058 <4>[ 108.582519] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.590103] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 108.598203] r9:c19df050 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 108.606218] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 108.616137] r5:c1e16800 r4:c03115d8 <4>[ 108.619991] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 108.630867] r9:c19df050 r8:c206a7d8 r7:c1e15d9c r6:c1ea9480 r5:c1ea9480 r4:00000000 <4>[ 108.638882] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 108.649074] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 108.658388] r10:c1e16560 r9:c1daf480 r8:c206bac0 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 108.666482] r4:c1ea9480 <4>[ 108.669292] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 108.678432] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:444bd711 r6:c1e01d28 r5:c1e00000 <4>[ 108.686527] r4:00000000 <4>[ 108.689333] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 108.698297] r5:00000019 r4:ef786f68 <4>[ 108.702142] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 108.710765] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 108.719819] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 108.727835] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 108.736975] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:444bd329 r6:00000019 r5:60070193 <4>[ 108.745070] r4:ef7869c0 <4>[ 108.747878] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 108.756065] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 108.764159] r4:00000001 <4>[ 108.766971] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 108.775763] r5:c2973700 r4:c295b400 <4>[ 108.779609] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 108.789010] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 108.797025] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 108.805646] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 108.813659] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 108.821406] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 108.826730] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 108.835178] 1d40: 00000000 00000001 c2900400 00000202 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 108.843622] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 108.848943] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 108.856960] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 108.865144] r10:00000013 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 108.873239] r4:ffffe000 <4>[ 108.876044] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 108.883705] r5:00000000 r4:c1dad49c <4>[ 108.887550] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 108.895648] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 108.904268] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 108.912279] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 108.920026] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 108.925348] 1e60: c100329c ffffe000 00000000 c1e00000 00000000 c1e1ed70 ef78cb78 00000000 <4>[ 108.933793] 1e80: c1e15d98 c206c200 00000013 c1e01eec c1e01e88 c1e01eb0 c0478294 c10032a0 <4>[ 108.942235] 1ea0: 60070013 ffffffff <4>[ 108.945993] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c10032a0 <4>[ 108.954012] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 108.962546] r10:c1e1ed70 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ed70 <4>[ 108.970640] r4:ef78cb78 <4>[ 108.973450] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 108.981113] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 108.987042] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 108.994880] r10:c4f5c474 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 109.002973] r4:000000dc <4>[ 109.005783] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 109.013980] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 109.022162] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 109.027054] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 109.035678] [] (start_kernel) from [<00000000>] (0x0) # Segmentation fault # not ok 36 selftests: lkdtm: EXEC_NULL.sh # TIMEOUT 45 seconds # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 127.163111] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 127.169200] lkdtm: attempting bad read at b6eff000 <1>[ 127.174298] 8<--- cut here --- <1>[ 127.177625] Unhandled fault: page domain fault (0x01b) at 0xb6eff000 <1>[ 127.184250] pgd = fcad941e <1>[ 127.187227] [b6eff000] *pgd=4949f831 <0>[ 127.191096] Internal error: : 1b [#10] SMP ARM <4>[ 127.195825] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 127.228448] CPU: 0 PID: 2287 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 127.236476] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 127.243307] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 127.248821] LR is at 0x0 <4>[ 127.251641] pc : [] lr : [<00000000>] psr: 60080013 <4>[ 127.258192] sp : c421de38 ip : 00000027 fp : c421de64 <4>[ 127.263702] r10: 00000011 r9 : c1ad71c8 r8 : c15ec020 <4>[ 127.269212] r7 : c421df60 r6 : 00000051 r5 : c421c000 r4 : b6eff000 <4>[ 127.276023] r3 : e7b624d7 r2 : e7b624d7 r1 : ef7815e4 r0 : 00000026 <4>[ 127.282838] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 127.290259] Control: 10c5387d Table: 164c004a DAC: 00000051 <0>[ 127.296291] Process cat (pid: 2287, stack limit = 0x755abbd0) <0>[ 127.302323] Stack: (0xc421de38 to 0xc421e000) <0>[ 127.306970] de20: 00000022 00000000 <0>[ 127.315445] de40: 00000000 e7b624d7 c421de6c 00000026 c4185000 00000011 c421de74 c421de68 <0>[ 127.323916] de60: c0c595cc c0c5a4ac c421de9c c421de78 c0c59acc c0c595ac c0c599ac c4351cc0 <0>[ 127.332387] de80: b6dc4000 00000011 c3022c00 c421df60 c421dec4 c421dea0 c07e29dc c0c599b8 <0>[ 127.340857] dea0: 00000000 c4351cc0 b6dc4000 c290d000 c421df60 c07e2978 c421df5c c421dec8 <0>[ 127.349327] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c421c000 <0>[ 127.357797] dee0: b6dc4000 00020000 00000004 00000011 0001ffef c421dee0 00000001 b6dc3000 <0>[ 127.366266] df00: c4322140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 127.374736] df20: 00000000 00000000 c13e1980 e7b624d7 c206c1a0 c4351cc0 c4351cc0 c421c000 <0>[ 127.383207] df40: b6dc4000 00000000 00000000 00000004 c421df94 c421df60 c059c9b0 c059c304 <0>[ 127.391677] df60: 00000000 00000000 c421dfac e7b624d7 00000011 00000011 7ff00000 00000004 <0>[ 127.400147] df80: c03002e4 c421c000 c421dfa4 c421df98 c059ca40 c059c948 00000000 c421dfa8 <0>[ 127.408616] dfa0: c03000c0 c059ca34 00000011 00000011 00000001 b6dc4000 00000011 00000001 <0>[ 127.417087] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc4000 00020000 004bfe38 <0>[ 127.425556] dfe0: 00000004 bee617e8 b6e8a33b b6e03616 60080030 00000001 00000000 00000000 <0>[ 127.434011] Backtrace: <0>[ 127.436776] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 127.445768] r6:00000011 r5:c4185000 r4:00000026 <0>[ 127.450684] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 127.458996] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 127.467209] r9:c421df60 r8:c3022c00 r7:00000011 r6:b6dc4000 r5:c4351cc0 r4:c0c599ac <0>[ 127.475261] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 127.483385] r9:c07e2978 r8:c421df60 r7:c290d000 r6:b6dc4000 r5:c4351cc0 r4:00000000 <0>[ 127.491426] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 127.498855] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c421c000 r5:c4351cc0 <0>[ 127.506966] r4:c4351cc0 <0>[ 127.509795] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 127.517224] r9:c421c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 <0>[ 127.525265] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 127.533118] Exception stack(0xc421dfa8 to 0xc421dff0) <0>[ 127.538462] dfa0: 00000011 00000011 00000001 b6dc4000 00000011 00000001 <0>[ 127.546934] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc4000 00020000 004bfe38 <0>[ 127.555397] dfe0: 00000004 bee617e8 b6e8a33b b6e03616 <0>[ 127.560741] Code: e1a01004 e30800ec e34c01ad eb1d9be0 (e5943000) <4>[ 127.567130] ---[ end trace 1286819e0a8ce1ce ]--- # Segmentation fault # [ 127.163111] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 127.169200] lkdtm: attempting bad read at b6eff000 # [ 127.174298] 8<--- cut here --- # [ 127.177625] Unhandled fault: page domain fault (0x01b) at 0xb6eff000 # [ 127.184250] pgd = fcad941e # [ 127.187227] [b6eff000] *pgd=4949f831 # [ 127.191096] Internal error: : 1b [#10] SMP ARM # [ 127.195825] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 127.228448] CPU: 0 PID: 2287 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 127.236476] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.243307] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 127.248821] LR is at 0x0 # [ 127.251641] pc : [] lr : [<00000000>] psr: 60080013 # [ 127.258192] sp : c421de38 ip : 00000027 fp : c421de64 # [ 127.263702] r10: 00000011 r9 : c1ad71c8 r8 : c15ec020 # [ 127.269212] r7 : c421df60 r6 : 00000051 r5 : c421c000 r4 : b6eff000 # [ 127.276023] r3 : e7b624d7 r2 : e7b624d7 r1 : ef7815e4 r0 : 00000026 # [ 127.282838] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 127.290259] Control: 10c5387d Table: 164c004a DAC: 00000051 # [ 127.296291] Process cat (pid: 2287, stack limit = 0x755abbd0) # [ 127.302323] Stack: (0xc421de38 to 0xc421e000) # [ 127.306970] de20: 00000022 00000000 # [ 127.315445] de40: 00000000 e7b624d7 c421de6c 00000026 c4185000 00000011 c421de74 c421de68 # [ 127.323916] de60: c0c595cc c0c5a4ac c421de9c c421de78 c0c59acc c0c595ac c0c599ac c4351cc0 # [ 127.332387] de80: b6dc4000 00000011 c3022c00 c421df60 c421dec4 c421dea0 c07e29dc c0c599b8 # [ 127.340857] dea0: 00000000 c4351cc0 b6dc4000 c290d000 c421df60 c07e2978 c421df5c c421dec8 # [ 127.349327] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c421c000 # [ 127.357797] dee0: b6dc4000 00020000 00000004 00000011 0001ffef c421dee0 00000001 b6dc3000 # [ 127.366266] df00: c4322140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 127.374736] df20: 00000000 00000000 c13e1980 e7b624d7 c206c1a0 c4351cc0 c4351cc0 c421c000 # [ 127.383207] df40: b6dc4000 00000000 00000000 00000004 c421df94 c421df60 c059c9b0 c059c304 # [ 127.391677] df60: 00000000 00000000 c421dfac e7b624d7 00000011 00000011 7ff00000 00000004 # [ 127.400147] df80: c03002e4 c421c000 c421dfa4 c421df98 c059ca40 c059c948 00000000 c421dfa8 # [ 127.408616] dfa0: c03000c0 c059ca34 00000011 00000011 00000001 b6dc4000 00000011 00000001 # [ 127.417087] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc4000 00020000 004bfe38 # [ 127.425556] dfe0: 00000004 bee617e8 b6e8a33b b6e03616 60080030 00000001 00000000 00000000 # [ 127.434011] Backtrace: # [ 127.436776] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.445768] r6:00000011 r5:c4185000 r4:00000026 # [ 127.450684] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.458996] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.467209] r9:c421df60 r8:c3022c00 r7:00000011 r6:b6dc4000 r5:c4351cc0 r4:c0c599ac # [ 127.475261] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 127.483385] r9:c07e2978 r8:c421df60 r7:c290d000 r6:b6dc4000 r5:c4351cc0 r4:00000000 # [ 127.491426] [[ 128.012252] lkdtm: Performing direct entry ACCESS_NULL c2f8>] (vfs_write) from [[ 128.020262] lkdtm: attempting bad read at 00000000 0>] (ksys_write+0x74/0xec) # [ <1>[ 128.028052] 8<--- cut here --- 127.498855] r10:00000004 r9:0000<1>[ 128.034260] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000 r8:00000000 r7:b6dc4000 r6:c<1>[ 128.045640] pgd = b3b1c5ed 421c000 r5:c4351cc0 # [ 127.506<1>[ 128.051401] [00000000] *pgd=00000000 966] r4:c4351cc0 # [ 127.50979<0>[ 128.058097] Internal error: Oops: 5 [#11] SMP ARM <4>[ 128.065890] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 128.098243] CPU: 0 PID: 2363 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 128.106253] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 128.113058] PC is at lkdtm_ACCESS_NULL+0x28/0x68 <4>[ 128.117944] LR is at 0x0 <4>[ 128.120745] pc : [] lr : [<00000000>] psr: 60080013 <4>[ 128.127278] sp : c4605e50 ip : 00000027 fp : c4605e64 <4>[ 128.132768] r10: 0000000c r9 : c1ad71dc r8 : c15ec020 <4>[ 128.138260] r7 : c4605f60 r6 : 0000000c r5 : c46d7000 r4 : 00000000 <4>[ 128.145053] r3 : f63655b5 r2 : f63655b5 r1 : ef7815e4 r0 : 00000026 <4>[ 128.151848] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 128.159249] Control: 10c5387d Table: 147d804a DAC: 00000051 <0>[ 128.165264] Process cat (pid: 2363, stack limit = 0xb1d180bf) <0>[ 128.171277] Stack: (0xc4605e50 to 0xc4606000) <0>[ 128.175904] 5e40: 00000027 c46d7000 c4605e74 c4605e68 <0>[ 128.184350] 5e60: c0c595cc c13cc638 c4605e9c c4605e78 c0c59acc c0c595ac c0c599ac c4350280 <0>[ 128.192796] 5e80: b6e35000 0000000c c3022c00 c4605f60 c4605ec4 c4605ea0 c07e29dc c0c599b8 <0>[ 128.201243] 5ea0: 00000000 c4350280 b6e35000 c290d000 c4605f60 c07e2978 c4605f5c c4605ec8 <0>[ 128.209690] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c4604000 <0>[ 128.218140] 5ee0: b6e35000 00020000 00000004 0000000c 0001fff4 c4605ee0 00000001 b6e34000 <0>[ 128.226586] 5f00: c602c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 128.235033] 5f20: 00000000 00000000 c13e1980 f63655b5 c206c1a0 c4350280 c4350280 c4604000 <0>[ 128.243478] 5f40: b6e35000 00000000 00000000 00000004 c4605f94 c4605f60 c059c9b0 c059c304 <0>[ 128.251924] 5f60: 00000000 00000000 c4605fac f63655b5 0000000c 0000000c 7ff00000 00000004 <0>[ 128.260370] 5f80: c03002e4 c4604000 c4605fa4 c4605f98 c059ca40 c059c948 00000000 c4605fa8 <0>[ 128.268816] 5fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e35000 0000000c 00000001 <0>[ 128.277261] 5fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e35000 00020000 0046fe38 <0>[ 128.285708] 5fe0: 00000004 bea567e8 b6efb33b b6e74616 60080030 00000001 00000000 00000000 <0>[ 128.294148] Backtrace: <0>[ 128.296878] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 128.305411] r5:c46d7000 r4:00000027 <0>[ 128.309261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 128.317542] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 128.325730] r9:c4605f60 r8:c3022c00 r7:0000000c r6:b6e35000 r5:c4350280 r4:c0c599ac <0>[ 128.333751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 128.341852] r9:c07e2978 r8:c4605f60 r7:c290d000 r6:b6e35000 r5:c4350280 r4:00000000 <0>[ 128.349866] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 128.357270] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c4604000 r5:c4350280 <0>[ 128.365363] r4:c4350280 <0>[ 128.368169] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 128.375574] r9:c4604000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 128.383590] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 128.391424] Exception stack(0xc4605fa8 to 0xc4605ff0) <0>[ 128.396744] 5fa0: 0000000c 0000000c 00000001 b6e35000 0000000c 00000001 <0>[ 128.405190] 5fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e35000 00020000 0046fe38 <0>[ 128.413634] 5fe0: 00000004 bea567e8 b6efb33b b6e74616 <0>[ 128.418955] Code: e30800ec e34c01ad e1a01004 ebffd3b8 (e5945000) 5] [] (ksys_write) from<4>[ 128.425384] ---[ end trace 1286819e0a8ce1cf ]--- [] (sys_write+0x18/0x1c) # [ 127.517224] r9:c421c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 # [ 127.525265] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.533118] Exception stack(0xc421dfa8 to 0xc421dff0) # [ 127.538462] dfa0: 00000011 00000011 00000001 b6dc4000 00000011 00000001 # [ 127.546934] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc4000 00020000 004bfe38 # [ 127.555397] dfe0: 00000004 bee617e8 b6e8a33b b6e03616 # [ 127.560741] Code: e1a01004 e30800ec e34c01ad eb1d9be0 (e5943000) # [ 127.567130] ---[ end trace 1286819e0a8ce1ce ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh # Segmentation fault # [ 128.012252] lkdtm: Performing direct entry ACCESS_NULL # [ 128.020262] lkdtm: attempting bad read at 00000000 # [ 128.028052] 8<--- cut here --- # [ 128.034260] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 128.045640] pgd = b3b1c5ed # [ 128.051401] [00000000] *pgd=00000000 # [ 128.058097] Internal error: Oops: 5 [#11] SMP ARM # [ 128.065890] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 128.098243] CPU: 0 PID: 2363 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 128.106253] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.113058] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 128.117944] LR is at 0x0 # [ 128.120745] pc : [] lr : [<00000000>] psr: 60080013 # [ 128.127278] sp : c4605e50 ip : 00000027 fp : c4605e64 # [ 128.132768] r10: 0000000c r9 : c1ad71dc r8 : c15ec020 # [ 128.138260] r7 : c4605f60 r6 : 0000000c r5 : c46d7000 r4 : 00000000 # [ 128.145053] r3 : f63655b5 r2 : f63655b5 r1 : ef7815e4 r0 : 00000026 # [ 128.151848] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 128.159249] Control: 10c5387d Table: 147d804a DAC: 00000051 # [ 128.165264] Process cat (pid: 2363, stack limit = 0xb1d180bf) # [ 128.171277] Stack: (0xc4605e50 to 0xc4606000) # [ 128.175904] 5e40: 00000027 c46d7000 c4605e74 c4605e68 # [ 128.184350] 5e60: c0c595cc c13cc638 c4605e9c c4605e78 c0c59acc c0c595ac c0c599ac c4350280 # [ 128.192796] 5e80: b6e35000 0000000c c3022c00 c4605f60 c4605ec4 c4605ea0 c07e29dc c0c599b8 # [ 128.201243] 5ea0: 00000000 c4350280 b6e35000 c290d000 c4605f60 c07e2978 c4605f5c c4605ec8 # [ 128.209690] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c4604000 # [ 128.218140] 5ee0: b6e35000 00020000 00000004 0000000c 0001fff4 c4605ee0 00000001 b6e34000 # [ 128.226586] 5f00: c602c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 128.235033] 5f20: 00000000 00000000 c13e1980 f63655b5 c206c1a0 c4350280 c4350280 c4604000 # [ 128.243478] 5f40: b6e35000 00000000 00000000 00000004 c4605f94 c4605f60 c059c9b0 c059c304 # [ 128.251924] 5f60: 00000000 00000000 c4605fac f63655b5 0000000c 0000000c 7ff00000 00000004 # [ 128.260370] 5f80: c03002e4 c4604000 c4605fa4 c4605f98 c059ca40 c059c948 00000000 c4605fa8 # [ 128.268816] 5fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e35000 0000000c 00000001 # [ 128.277261] 5fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e35000 00020000 0046fe38 # [ 128.285708] 5fe0: 00000004 bea567e8 b6efb33b b6e74616 60080030 00000001 00000000 00000000 # [ 128.294148] Backtrace: # [ 128.296878] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.305411] r5:c46d7000 r4:00000027 # [ 128.309261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.317542] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.325730] r9:c4605f60 r8:c3022c00 r7:0000000c r6:b6e35000 r5:c4350280 r4:c0c599ac # [ 128.333751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 128.341852] r9:c07e2978 r8:c4605f60 r7:c290d000 r6:b6e35000 r5:c4350280 r4:00000000 # [ 128.349866] [[ 128.856736] lkdtm: Performing direct entry WRITE_RO c2f8>] (vfs_write) from [[ 128.863185] lkdtm: attempting bad rodata write at c15ec2b8 0>] (ksys_write+0x74/0xec) # [ <1>[ 128.871799] 8<--- cut here --- 128.357270] r1<01>:[0 0 0102080.877917] Unable to handle kernel paging request at virtual address c15ec2b8 4 r9:000<010>0[0 0 1r288:.080807396] pgd = 6c784f5a 0000 r7:b6e35000 r6:c46040<010> [ 128.892101] [c15ec2b8] *pgd=1141941e(bad) 5:c4350280 # [ 1<208>.[3 6 51328.898893] Internal error: Oops: 80d [#12] SMP ARM 3] r4:c4350280 # [ 128.368169]<4>[ 128.906196] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [] (ksyw[r i t1e28.941197] CPU: 1 PID: 2438 Comm: cat Tainted: G D W 5.10.218-cip49 #1 from [4[0 > ]1 2(8s.y951365] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) _write+0x18/0x1c) # [ 128.<347>[ 128.960074] PC is at lkdtm_WRITE_RO+0x44/0x50 574] r9:c4604000 r8:c<043>0[0 228.967287] LR is at __irq_work_queue_local+0x40/0x74 e4 r7:00000004< 4r>6[: 7 f1f2080.974851] pc : [] lr : [] psr: 60080013 00 r5:000<040>0[0 c 1r248:.09080370] sp : c4605e50 ip : c4605d58 fp : c4605e64 0000c # <[4 > [1 2 81.2388.93950590] r10: 00000009 r9 : c1ad71e8 r8 : c15ec020 0] [>[] (1s2y8s._9w7812] r7 : c4605f60 r6 : 00000009 r5 : c63d4000 r4 : c15ec2b8 rite) fro[[< c 0132090.00c00419] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1ad7fec >] (ret_fast_sc[a l1l2+90.x14943] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0/0x28) # [ < 41>2[8 . 3192194.224246] Control: 10c5387d Table: 1661404a DAC: 00000051 4] Exceptios[t a c1k2(90.x0c2160] Process cat (pid: 2438, stack limit = 0xb1d180bf) 4605fa8 to <00x>c[ 4 610259f.f0039987] Stack: (0xc4605e50 to 0xc4606000) # [ 128.396744] 50[: 1 9.046430] 5e40: 00000028 c63d4000 c4605e74 c4605e68 < 0 >0[0 0 0102090057035] 5e60: c0c595cc c13cc438 c4605e9c c4605e78 c0c59acc c0c595ac c0c599ac c62be640 c 0000000c 0000<000>0[1 b162e93067468] 5e80: b6e87000 00000009 c3022c00 c4605f60 c4605ec4 c4605ea0 c07e29dc c0c599b8 5000 0000000c 00<000>0[0 0 11 2 9.077900] 5ea0: 00000000 c62be640 b6e87000 c290d000 c4605f60 c07e2978 c4605f5c c4605ec8 [ 128.405190] 5f:[ 01020.088421] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c4604000 0000c 0000000c 7ff<000>0[0 0 1029.098938] 5ee0: b6e87000 00020000 00000004 00000009 0001fff7 c4605ee0 00000001 b6e86000 000004 0000000<10 >b[6 e 3152090.109541] 5f00: c467b7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00020000 0046fe38< 0 >#[ [ 1 29.119974] 5f20: 00000000 00000000 c13e1980 7b26c88c c206c1a0 c62be640 c62be640 c4604000 28.413634] 5fe0:<0 >0[0 0 0102090130578] 5f40: b6e87000 00000000 00000000 00000004 c4605f94 c4605f60 c059c9b0 c059c304 4 bea567e8 b6efb3<30b> [b 6 e1729.141012] 5f60: 00000000 00000000 c4605fac 7b26c88c 00000009 00000009 7ff00000 00000004 616 # [ 128.4189<505>][ C o1d29.151530] 5f80: c03002e4 c4604000 c4605fa4 c4605f98 c059ca40 c059c948 00000000 c4605fa8 : e30800ec e34c<001>a[d e112a90162134] 5fa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e87000 00000009 00000001 1004 ebffd3b8 (e5<904>5[0 0 01)2 .172567] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e87000 00020000 0041fe38 # [ 128.42538<40]> [- -1-2[9 183085] 5fe0: 00000004 bec767e8 b6f4d33b b6ec6616 60080030 00000001 00000000 00000000 end trace 12868<109>e[0 a 81c2e91193510] Backtrace: cf ]--- # ACCESS_NULL: miss[ 129.198227] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) 'call trace:': <[0F>A[I L ]1 2 9.209083] r5:c63d4000 r4:00000028 ot ok 38 selftests: d[t m :129.215004] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ACCESS_NULL.sh # exit=1 #< 0s>e[ 129.225527] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ftests: lkdtm: WRE[_ R O1.2s.236213] r9:c4605f60 r8:c3022c00 r7:00000009 r6:b6e87000 r5:c62be640 r4:c0c599ac h <0>[ 129.246304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 129.254645] r9:c07e2978 r8:c4605f60 r7:c290d000 r6:b6e87000 r5:c62be640 r4:00000000 <0>[ 129.262658] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 129.270063] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c4604000 r5:c62be640 <0>[ 129.278157] r4:c62be640 <0>[ 129.280961] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 129.288366] r9:c4604000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 <0>[ 129.296384] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 129.304220] Exception stack(0xc4605fa8 to 0xc4605ff0) <0>[ 129.309541] 5fa0: 00000009 00000009 00000001 b6e87000 00000009 00000001 <0>[ 129.317988] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e87000 00020000 0041fe38 <0>[ 129.326432] 5fe0: 00000004 bec767e8 b6f4d33b b6ec6616 <0>[ 129.331753] Code: e34a3bcd e3070fec e34c01ad e0233002 (e5843000) <4>[ 129.338118] ---[ end trace 1286819e0a8ce1d0 ]--- # Segmentation fault # [ 128.856736] lkdtm: Performing direct entry WRITE_RO # [ 128.863185] lkdtm: attempting bad rodata write at c15ec2b8 # [ 128.871799] 8<--- cut here --- # [ 128.877917] Unable to handle kernel paging request at virtual address c15ec2b8 # [ 128.887396] pgd = 6c784f5a # [ 128.892101] [c15ec2b8] *pgd=1141941e(bad) # [ 128.898893] Internal error: Oops: 80d [#12] SMP ARM # [ 128.906196] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 128.941197] CPU: 1 PID: 2438 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 128.951365] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.960074] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 128.967287] LR is at __irq_work_queue_local+0x40/0x74 # [ 128.974851] pc : [] lr : [] psr: 60080013 # [ 128.983370] sp : c4605e50 ip : c4605d58 fp : c4605e64 # [ 128.990590] r10: 00000009 r9 : c1ad71e8 r8 : c15ec020 # [ 128.997812] r7 : c4605f60 r6 : 00000009 r5 : c63d4000 r4 : c15ec2b8 # [ 129.006419] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1ad7fec # [ 129.014943] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 129.024246] Control: 10c5387d Table: 1661404a DAC: 00000051 # [ 129.032160] Process cat (pid: 2438, stack limit = 0xb1d180bf) # [ 129.039987] Stack: (0xc4605e50 to 0xc4606000) # [ 129.046430] 5e40: 00000028 c63d4000 c4605e74 c4605e68 # [ 129.057035] 5e60: c0c595cc c13cc438 c4605e9c c4605e78 c0c59acc c0c595ac c0c599ac c62be640 # [ 129.067468] 5e80: b6e87000 00000009 c3022c00 c4605f60 c4605ec4 c4605ea0 c07e29dc c0c599b8 # [ 129.077900] 5ea0: 00000000 c62be640 b6e87000 c290d000 c4605f60 c07e2978 c4605f5c c4605ec8 # [ 129.088421] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c4604000 # [ 129.098938] 5ee0: b6e87000 00020000 00000004 00000009 0001fff7 c4605ee0 00000001 b6e86000 # [ 129.109541] 5f00: c467b7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 129.119974] 5f20: 00000000 00000000 c13e1980 7b26c88c c206c1a0 c62be640 c62be640 c4604000 # [ 129.130578] 5f40: b6e87000 00000000 00000000 00000004 c4605f94 c4605f60 c059c9b0 c059c304 # [ 129.141012] 5f60: 00000000 00000000 c4605fac 7b26c88c 00000009 00000009 7ff00000 00000004 # [ 129.151530] 5f80: c03002e4 c4604000 c4605fa4 c4605f98 c059ca40 c059c948 00000000 c4605fa8 # [ 129.162134] 5fa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e87000 00000009 00000001 # [ 129.172567] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e87000 00020000 0041fe38 # [ 129.183085] 5fe0: 00000004 bec767e8 b6f4d33b b6ec6616 60080030 00000001 00000000 00000000 # [ 129.193510] Backtrace: # [ 129.198227] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.209083] r5:c63d4000 r4:00000028 # [ 129.215004] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.225527] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.236213] r9:c4605f60 r8:c3022c00 r7:00000009 r6:b6e87000 r5:c62be640 r4:c0c599ac # [ 129.246304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 129.254645] r9:c07e2978 r8:c4605f60 r7:c290d000 r6:b6e87000 r5:c6<6>[ 129.769852] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 2be640 r4:00000000 #< 6[> [ 1 229.778361] lkdtm: attempting bad ro_after_init write at c1b8ac74 9.262658] [] (vfs_write<1>[ 129.787166] 8<--- cut here --- ) from [b[0 > ]1 2(9k.s93160] Unable to handle kernel paging request at virtual address c1b8ac74 ys_write+0x74/0x)[ 1#2 9[802554] pgd = 9e9dfd2a 129.270063] r10:00000004 r9:0<1>[ 129.807518] [c1b8ac74] *pgd=11a1941e(bad) 000000 r8:00000000 :[b 6 e189.814570] Internal error: Oops: 80d [#13] SMP ARM 7000 r6:c4604000 r5:c62be640 # [<4>[ 129.821876] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 129.278157] r4:c62be<644>0[ 129.856880] CPU: 1 PID: 2513 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 129.280<946>1[] [1<2c90.5867221] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c93c>] (ksys_write) from [[ 129.875933] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 40>] (sys_write+0x18x[1 c )129.884274] LR is at __irq_work_queue_local+0x40/0x74 # [ 129.288<346>6[] 1 2r99.:891839] pc : [] lr : [] psr: 60080013 4604000 r8:3[0 0 21e249 .r970274] sp : c62dde50 ip : c62ddd58 fp : c62dde64 :00000004 r<64:>7[f f 0102090.09 7584] r10: 00000014 r9 : c1ad71f4 r8 : c15ec020 r5:00000009 r<44:>[0 0 0102090.0914892] r7 : c62ddf60 r6 : 00000014 r5 : c63d4000 r4 : c1b8ac74 # [ 129.2<946>3[8 4 ]1 2[9<.c923588] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad7fec 59ca28>] (sys_wt[e ) 1f2r9o932287] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none m [] <(4r>e[t _ f1a2s9t941680] Control: 10c5387d Table: 15f2c04a DAC: 00000051 _syscall+0x0/<00x>2[8 )1 2 9#. 949681] Process cat (pid: 2513, stack limit = 0x6c11584e) 129.304220] Ee[p t i1o2n9 957597] Stack: (0xc62dde50 to 0xc62de000) stack(0xc4605fa8 to< 00>x[c 4 6109.964214] de40: 00000029 c63d4000 c62dde74 c62dde68 5ff0) # [ 129.30<905>4[1 ] 1529.974822] de60: c0c595cc c13cc488 c62dde9c c62dde78 c0c59acc c0c595ac c0c599ac c60cc640 a0: < 0 > [ 0 01029.985428] de80: b6e6f000 00000014 c3022c00 c62ddf60 c62ddec4 c62ddea0 c07e29dc c0c599b8 0009 00000009 00000<000>1[ b 61e9.996037] dea0: 00000000 c60cc640 b6e6f000 c290d000 c62ddf60 c07e2978 c62ddf5c c62ddec8 87000 00000009 0000<000>0[1 1#0.006643] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c62dc000 [ 129.317988] 5fc<00:> [0 0 0100.017252] dee0: b6e6f000 00020000 00000004 00000014 0001ffec c62ddee0 00000001 b6e6e000 0009 00000009 7ff00<000>0[ 0 0100.027859] df00: c602c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00004 00000001 b6e87000 0<000>2[0 130.038467] df20: 00000000 00000000 c13e1980 6041a3d4 c206c1a0 c60cc640 c60cc640 c62dc000 000 0041fe38 # [ < 01>2[9 . 31230.049330] df40: b6e6f000 00000000 00000000 00000004 c62ddf94 c62ddf60 c059c9b0 c059c304 432] 5fe0: 00000004 c[7 6 7130.059937] df60: 00000000 00000000 c62ddfac 6041a3d4 00000014 00000014 7ff00000 00000004 8 b6f4d33b b6ec6616< 0 >#[ [ 1 0.070631] df80: c03002e4 c62dc000 c62ddfa4 c62ddf98 c059ca40 c059c948 00000000 c62ddfa8 129.331753] Cod [e 3 41a330b081237] dfa0: c03000c0 c059ca34 00000014 00000014 00000001 b6e6f000 00000014 00000001 cd e3070fec e34c01 [e 0 21330.091673] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e6f000 00020000 0047fe38 002 (e5843000) # <[0 > [1 2 91.0.102282] dfe0: 00000004 bec847e8 b6f3533b b6eae616 60080030 00000001 00000000 00000000 338118] ---[ end a[ c e1 310.112880] Backtrace: 86819e0a8ce1d0 ]--- # WRITE_RO: 0>[ 130.117687] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) missing 'call tre[: ' :1 3[0.129672] r5:c63d4000 r4:00000029 AIL] not ok 39 selftests<:0 >l[k 130.135600] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) dtm: WRITE_RO.sh # exit=1 # self0>[ 130.146299] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) tests: lkdtm: WRITE_RA[F T E30.157246] r9:c62ddf60 r8:c3022c00 r7:00000014 r6:b6e6f000 r5:c60cc640 r4:c0c599ac R_INIT.sh <0>[ 130.167514] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 130.176550] r9:c07e2978 r8:c62ddf60 r7:c290d000 r6:b6e6f000 r5:c60cc640 r4:00000000 <0>[ 130.184568] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 130.191978] r10:00000004 r9:00000000 r8:00000000 r7:b6e6f000 r6:c62dc000 r5:c60cc640 <0>[ 130.200075] r4:c60cc640 <0>[ 130.202886] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 130.210296] r9:c62dc000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 <0>[ 130.218316] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 130.226155] Exception stack(0xc62ddfa8 to 0xc62ddff0) <0>[ 130.231479] dfa0: 00000014 00000014 00000001 b6e6f000 00000014 00000001 <0>[ 130.239929] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e6f000 00020000 0047fe38 <0>[ 130.248375] dfe0: 00000004 bec847e8 b6f3533b b6eae616 <0>[ 130.253701] Code: e34a3bcd e3070fec e34c01ad e0233002 (e5843000) <4>[ 130.260069] ---[ end trace 1286819e0a8ce1d1 ]--- # Segmentation fault # [ 129.769852] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 129.778361] lkdtm: attempting bad ro_after_init write at c1b8ac74 # [ 129.787166] 8<--- cut here --- # [ 129.793160] Unable to handle kernel paging request at virtual address c1b8ac74 # [ 129.802554] pgd = 9e9dfd2a # [ 129.807518] [c1b8ac74] *pgd=11a1941e(bad) # [ 129.814570] Internal error: Oops: 80d [#13] SMP ARM # [ 129.821876] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 129.856880] CPU: 1 PID: 2513 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 129.867221] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.875933] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 129.884274] LR is at __irq_work_queue_local+0x40/0x74 # [ 129.891839] pc : [] lr : [] psr: 60080013 # [ 129.900274] sp : c62dde50 ip : c62ddd58 fp : c62dde64 # [ 129.907584] r10: 00000014 r9 : c1ad71f4 r8 : c15ec020 # [ 129.914892] r7 : c62ddf60 r6 : 00000014 r5 : c63d4000 r4 : c1b8ac74 # [ 129.923588] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad7fec # [ 129.932287] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 129.941680] Control: 10c5387d Table: 15f2c04a DAC: 00000051 # [ 129.949681] Process cat (pid: 2513, stack limit = 0x6c11584e) # [ 129.957597] Stack: (0xc62dde50 to 0xc62de000) # [ 129.964214] de40: 00000029 c63d4000 c62dde74 c62dde68 # [ 129.974822] de60: c0c595cc c13cc488 c62dde9c c62dde78 c0c59acc c0c595ac c0c599ac c60cc640 # [ 129.985428] de80: b6e6f000 00000014 c3022c00 c62ddf60 c62ddec4 c62ddea0 c07e29dc c0c599b8 # [ 129.996037] dea0: 00000000 c60cc640 b6e6f000 c290d000 c62ddf60 c07e2978 c62ddf5c c62ddec8 # [ 130.006643] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c62dc000 # [ 130.017252] dee0: b6e6f000 00020000 00000004 00000014 0001ffec c62ddee0 00000001 b6e6e000 # [ 130.027859] df00: c602c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 130.038467] df20: 00000000 00000000 c13e1980 6041a3d4 c206c1a0 c60cc640 c60cc640 c62dc000 # [ 130.049330] df40: b6e6f000 00000000 00000000 00000004 c62ddf94 c62ddf60 c059c9b0 c059c304 # [ 130.059937] df60: 00000000 00000000 c62ddfac 6041a3d4 00000014 00000014 7ff00000 00000004 # [ 130.070631] df80: c03002e4 c62dc000 c62ddfa4 c62ddf98 c059ca40 c059c948 00000000 c62ddfa8 # [ 130.081237] dfa0: c03000c0 c059ca34 00000014 00000014 00000001 b6e6f000 00000014 00000001 # [ 130.091673] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e6f000 00020000 0047fe38 # [ 130.102282] dfe0: 00000004 bec847e8 b6f3533b b6eae616 60080030 00000001 00000000 00000000 # [ 130.112880] Backtrace: # [ 130.117687] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.129672] r5:c63d4000 r4:00000029 # [ 130.135600] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.146299] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.157246] r9:c62ddf60 r8:c3022c00 r7:00000014 r6:b6e6f000 r5:c60cc640 r4:c0c599ac # [ 130.167514] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 130.176550] r9:c07e2978 r8:c62ddf60 r7:c290d000 r6:b6e6f000 r5:c60cc640 r4:00000000 # [ 130.184568] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.191978] r10:00000004 r9:00000000 r8:00000000 r7:b6e6f000 r6:c62dc000 r5:c60cc640 # [ 130.200075] r4:c60cc640 # [ 130.2<6>[ 130.696054] lkdtm: Performing direct entry WRITE_KERN 02886] [] (ksys_write) <6>[ 130.703747] lkdtm: attempting bad 7807000 byte write at c13cc354 from [] (sys_write+0x18<1>[ 130.712807] 8<--- cut here --- /0x1c) # [ 130.210296] r9:c62d<1>[ 130.718920] Unable to handle kernel paging request at virtual address c13cc354 c000 r8:c03002e4 r<71:>0[0 01030.729267] pgd = bee57d84 004 r6:7ff00000 r5:00000014 r4:00<1>[ 130.734330] [c13cc354] *pgd=1121940e(bad) 000014 # [ 130.218316] [[ 130.741479] Internal error: Oops: 80d [#14] SMP ARM 28>] (sys_write) from [<4>[ 130.749397] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 ] (ret_fast_syscall+0x0/0x28) # <4>[ 130.784412] CPU: 3 PID: 2588 Comm: cat Tainted: G D W 5.10.218-cip49 #1 [ 130.226155] Exceptn[ s130.795278] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ack(0xc62ddfa8 to 0xc62ddff0) # <4>[ 130.804346] PC is at memcpy+0x50/0x330 [ 130.231479] dfa0: < 4 >[ 130.811215] LR is at 0xe92dd830 00000014 0000001<44 >0[0 130.817227] pc : [] lr : [] psr: 20080013 00001 b6e6f000 000<040>0[1 4 1030.826188] sp : c6027e2c ip : e1a0c00d fp : c6027e64 000001 # [ 130.2<349>9[2 9 ]1 30.833850] r10: 0000000b r9 : c1ad7208 r8 : e89da800 fc0: 00000014 00000<041>4[ 7 f1f0.841514] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00000 00000004 00000<040>1[ b 6130.850478] r3 : e1a0c00d r2 : 00771f78 r1 : c0c5a35c r0 : c13cc354 6f000 00020000 0047fe38 #< 4[> [ 130.859533] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 130.248375] dfe0: 000<040>0[0 4 130.869450] Control: 10c5387d Table: 160c804a DAC: 00000051 bec847e8 b6f3533b b6eae616< 0 >#[ 130.877724] Process cat (pid: 2588, stack limit = 0xa08bc12e) [ 130.253701] Code: 4[a 3 b30.886251] Stack: (0xc6027e2c to 0xc6028000) cd e3070fec e34c01ad e0233002 <(0>[ 130.893141] 7e20: c0c5a33c 00772018 c6027f60 c15ec020 c13cc354 5843000) # [ 130.260069] ---[ 0>[ 130.904278] 7e40: c13cc354 c13cc538 0000002a c6371000 0000000b c6027f60 c6027e74 c6027e68 end trace 1286819e0a8ce1d1 ]---< >[ 130.915499] 7e60: c0c595cc c13cc4f8 c6027e9c c6027e78 c0c59acc c0c595ac c0c599ac c61a6a00 # WRITE_RO_AFTER_INIT: missing '0>[ 130.926634] 7e80: b6e2a000 0000000b c3022c00 c6027f60 c6027ec4 c6027ea0 c07e29dc c0c599b8 call trace:': [FAIL] not ok 40< >[ 130.937855] 7ea0: 00000000 c61a6a00 b6e2a000 c290d000 c6027f60 c07e2978 c6027f5c c6027ec8 selftests: lkdtm: WRITE_RO_AFTER_0>[ 130.948991] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6026000 INIT.sh # exit=1 # selftests: [ 130.960212] 7ee0: b6e2a000 00020000 00000004 0000000b 0001fff5 c6027ee0 00000001 b6e29000 kdtm: WRITE_KERN.sh <0>[ 130.971345] 7f00: c60ccf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 130.981615] 7f20: 00000000 00000000 c13e1980 7eb9f0bc c206c1a0 c61a6a00 c61a6a00 c6026000 <0>[ 130.990084] 7f40: b6e2a000 00000000 00000000 00000004 c6027f94 c6027f60 c059c9b0 c059c304 <0>[ 130.998556] 7f60: 00000000 00000000 c6027fac 7eb9f0bc 0000000b 0000000b 7ff00000 00000004 <0>[ 131.007028] 7f80: c03002e4 c6026000 c6027fa4 c6027f98 c059ca40 c059c948 00000000 c6027fa8 <0>[ 131.015497] 7fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e2a000 0000000b 00000001 <0>[ 131.023967] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e2a000 00020000 004ffe38 <0>[ 131.032437] 7fe0: 00000004 bef7c7e8 b6ef033b b6e69616 60080030 00000001 00000000 00000000 <0>[ 131.040893] Backtrace: <0>[ 131.043671] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 131.052147] r7:c6027f60 r6:0000000b r5:c6371000 r4:0000002a <0>[ 131.058105] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 131.066417] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 131.074631] r9:c6027f60 r8:c3022c00 r7:0000000b r6:b6e2a000 r5:c61a6a00 r4:c0c599ac <0>[ 131.082683] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 131.090809] r9:c07e2978 r8:c6027f60 r7:c290d000 r6:b6e2a000 r5:c61a6a00 r4:00000000 <0>[ 131.098849] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 131.106278] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c6026000 r5:c61a6a00 <0>[ 131.114390] r4:c61a6a00 <0>[ 131.117222] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 131.124650] r9:c6026000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 131.132694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 131.140547] Exception stack(0xc6027fa8 to 0xc6027ff0) <0>[ 131.145890] 7fa0: 0000000b 0000000b 00000001 b6e2a000 0000000b 00000001 <0>[ 131.154361] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e2a000 00020000 004ffe38 <0>[ 131.162827] 7fe0: 00000004 bef7c7e8 b6ef033b b6e69616 <0>[ 131.168172] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 131.174561] ---[ end trace 1286819e0a8ce1d2 ]--- # Segmentation fault # [ 130.696054] lkdtm: Performing direct entry WRITE_KERN # [ 130.703747] lkdtm: attempting bad 7807000 byte write at c13cc354 # [ 130.712807] 8<--- cut here --- # [ 130.718920] Unable to handle kernel paging request at virtual address c13cc354 # [ 130.729267] pgd = bee57d84 # [ 130.734330] [c13cc354] *pgd=1121940e(bad) # [ 130.741479] Internal error: Oops: 80d [#14] SMP ARM # [ 130.749397] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 130.784412] CPU: 3 PID: 2588 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 130.795278] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.804346] PC is at memcpy+0x50/0x330 # [ 130.811215] LR is at 0xe92dd830 # [ 130.817227] pc : [] lr : [] psr: 20080013 # [ 130.826188] sp : c6027e2c ip : e1a0c00d fp : c6027e64 # [ 130.833850] r10: 0000000b r9 : c1ad7208 r8 : e89da800 # [ 130.841514] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 130.850478] r3 : e1a0c00d r2 : 00771f78 r1 : c0c5a35c r0 : c13cc354 # [ 130.859533] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 130.869450] Control: 10c5387d Table: 160c804a DAC: 00000051 # [ 130.877724] Process cat (pid: 2588, stack limit = 0xa08bc12e) # [ 130.886251] Stack: (0xc6027e2c to 0xc6028000) # [ 130.893141] 7e20: c0c5a33c 00772018 c6027f60 c15ec020 c13cc354 # [ 130.904278] 7e40: c13cc354 c13cc538 0000002a c6371000 0000000b c6027f60 c6027e74 c6027e68 # [ 130.915499] 7e60: c0c595cc c13cc4f8 c6027e9c c6027e78 c0c59acc c0c595ac c0c599ac c61a6a00 # [ 130.926634] 7e80: b6e2a000 0000000b c3022c00 c6027f60 c6027ec4 c6027ea0 c07e29dc c0c599b8 # [ 130.937855] 7ea0: 00000000 c61a6a00 b6e2a000 c290d000 c6027f60 c07e2978 c6027f5c c6027ec8 # [ 130.948991] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1980 c059c9b0 c6026000 # [ 130.960212] 7ee0: b6e2a000 00020000 00000004 0000000b 0001fff5 c6027ee0 00000001 b6e29000 # [ 130.971345] 7f00: c60ccf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 130.981615] 7f20: 00000000 00000000 c13e1980 7eb9f0bc c206c1a0 c61a6a00 c61a6a00 c6026000 # [ 130.990084] 7f40: b6e2a000 00000000 00000000 00000004 c6027f94 c6027f60 c059c9b0 c059c304 # [ 130.998556] 7f60: 00000000 00000000 c6027fac 7eb9f0bc 0000000b 0000000b 7ff00000 00000004 # [ 131.007028] 7f80: c03002e4 c6026000 c6027fa4 c6027f98 c059ca40 c059c948 00000000 c6027fa8 # [ 131.015497] 7fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e2a000 0000000b 00000001 # [ 131.023967] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e2a000 00020000 004ffe38 # [ 131.032437] 7fe0: 00000004 bef7c7e8 b6ef033b b6e69616 60080030 00000001 00000000 00000000 # [ 131.040893] Backtrace: # [ 131.043671] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.052147] r7:c6027f60 r6:0000000b r5:c6371000 r4:0000002a # [ 131.058105] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.066417] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.074631] r9:c6027f60 r8:c3022c00 r7:0000000b r6:b6e2a000 r5:c61a6a00 r4:c0c599ac # [ 131.082683] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 131.090809] r9:c07e2978 r8:c6027f60 r7:c290d000 r6:b6e2a000 r5:c61a6a00 r4:00000000 # [ 131.098849] [] (vfs_write) from [] (<6>[ 131.627710] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW ksys_write+0x74/0xec) # [ 131.1<6>[ 131.634226] lkdtm: attempting good refcount_inc() without overflow 06278] r10:00000004 r9:00000000 <6>[ 131.643523] lkdtm: attempting bad refcount_inc() overflow r8:00000000 r7:b6e2a000 r6:c60260<4>[ 131.652032] ------------[ cut here ]------------ 00 r5:c61a6a00 # [ 131.114390] <4>[ 131.659790] WARNING: CPU: 1 PID: 2664 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 r4:c61a6a00 # [ 131.117222] [<<4>[ 131.671323] refcount_t: saturated; leaking memory. c059c93c>] (ksys_write) from [[ 131.679251] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 59ca40>] (sys_write+0x18/0x1c) #<4>[ 131.714251] CPU: 1 PID: 2664 Comm: cat Tainted: G D W 5.10.218-cip49 #1 [ 131.1246<540>][ r193:1c.6725073] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 26000 r8:c03002e4 r7<:40>0[0 0 0131.733770] Backtrace: 04 r6:7ff00000 r5:0000000b r4:00<4>[ 131.738747] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 0000b # [ 131.1<342>6[9 4 ]1 3[.749342] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 ] (sys_write)< 4f>r[o m131.757347] [] (show_stack) from [] (dump_stack+0xe0/0x100) [] (ret_fast_sysl 131.767263] [] (dump_stack) from [] (__warn+0x98/0x14c) l+0x0/0x28) # [ <143>1[. 1 41031.776994] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 47] Exception stack<(40>x[c 6 0121.787166] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 7fa8 to 0x0[2 7 f1f301). 7 97073] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c47c0000 [ 131.145890] 7fa0<:4 > [ 131.804820] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 00000<040>b[ 0 1030.816292] r9:c1ad7214 r8:c15ec020 r7:c47c1f60 r6:00000016 r5:c419f000 r4:c47c0000 0000b 00000001 b6e2a000 0000<040>[ 131.826383] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) b 00000001 # [ 131.154361]< 47>[ 131.838897] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) c0: 0000000b 0000000b <74f>f[0 0 131.851841] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) 00 000000<044> [0 0 0103010.0816 569] r4:0000002b b6e2a000 00020000 0<044>f[f e 3181.868104] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.162827] 7fe0:< 40>0[0 131.878539] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 0004 bef7c7e8 b6ef<043>3[b b1631.889139] r9:c47c1f60 r8:c3022c00 r7:00000016 r6:b6e6e000 r5:c29c77c0 r4:c0c599ac 69616 # [ 131.168172] Cod 131.899318] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) f5d1f05c f5d1f07c b[1 5 11f31.909917] r9:c07e2978 r8:c47c1f60 r7:c290d000 r6:b6e6e000 r5:c29c77c0 r4:00000000 e2522020 (e8a051f<84)> [ #1 31.920089] [] (vfs_write) from [] (ksys_write+0x74/0xec) 131.174561] <-4->-[[ e1n3d1 .929652] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c47c0000 r5:c29c77c0 race 1286<841>9[e 0 a183c1e.19d32732] r4:c29c77c0 ]--- # WRITE_KE:[ m i1s3s.944267] [] (ksys_write) from [] (sys_write+0x18/0x1c) ing 'call trace:<'4:> [[ F A1I3L1.953744] r9:c47c0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 not ok 41 selftests:< 4l>k[d t 131.963832] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) : WRITE_KE.[s h 1#31 .e9x7i997] Exception stack(0xc47c1fa8 to 0xc47c1ff0) t=1 # selftests: lt[m : 1R1.981050] 1fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000001 EFCOUNT_INC_OVERFW[. s h1 3 .991657] 1fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e6e000 00020000 0049fe38 <4>[ 132.002172] 1fe0: 00000004 beedb7e8 b6f3433b b6ead616 <4>[ 132.007546] irq event stamp: 0 <4>[ 132.010907] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 132.016761] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 132.024551] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 132.032335] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 132.038181] ---[ end trace 1286819e0a8ce1d3 ]--- <6>[ 132.043097] lkdtm: Overflow detected: saturated <3>[ 158.058453] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 158.064352] rcu: 0-....: (1 GPs behind) idle=04e/1/0x40000004 softirq=6297/6298 fqs=1280 <4>[ 158.072907] (t=2602 jiffies g=7077 q=49) <4>[ 158.077204] NMI backtrace for cpu 0 <4>[ 158.080988] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 158.089277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 158.096088] Backtrace: <4>[ 158.098864] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 158.106730] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d058 <4>[ 158.112676] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 158.120266] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 158.128371] r9:c19df050 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 158.136390] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 158.146312] r5:c1e16800 r4:c03115d8 <4>[ 158.150172] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 158.161055] r9:c19df050 r8:c206a7d8 r7:c1e15d9c r6:c1ea9480 r5:c1ea9480 r4:00000000 <4>[ 158.169076] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 158.179270] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 158.188590] r10:c1e16560 r9:c1daf480 r8:c206bac0 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 158.196687] r4:c1ea9480 <4>[ 158.199502] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 158.208648] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:cc83bbd1 r6:c1e01d28 r5:c1e00000 <4>[ 158.216747] r4:00000000 <4>[ 158.219559] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 158.228527] r5:00000024 r4:ef786f68 <4>[ 158.232375] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 158.241002] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 158.250060] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 158.258079] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 158.267225] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:cc83b167 r6:00000024 r5:60070193 <4>[ 158.275323] r4:ef7869c0 <4>[ 158.278136] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 158.286327] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 158.294423] r4:00000001 <4>[ 158.297241] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 158.306035] r5:c2973700 r4:c295b400 <4>[ 158.309887] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 158.319292] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 158.327313] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 158.335936] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 158.343954] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 158.351706] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 158.357032] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 158.365485] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 158.373933] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 158.379258] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 158.387279] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 158.395469] r10:0000001e r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 158.403567] r4:ffffe000 <4>[ 158.406376] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 158.414039] r5:00000000 r4:c1dad49c <4>[ 158.417890] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 158.425994] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 158.434618] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 158.442633] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 158.450383] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 158.455709] 1e60: c100329c ffffe000 00000000 c1e00000 00000000 c1e1ed70 ef78cb78 00000000 <4>[ 158.464159] 1e80: c1e15d98 c206c200 0000001e c1e01eec c1e01e88 c1e01eb0 c0478294 c10032a0 <4>[ 158.472604] 1ea0: 60070013 ffffffff <4>[ 158.476366] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c10032a0 <4>[ 158.484390] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 158.492929] r10:c1e1ed70 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ed70 <4>[ 158.501026] r4:ef78cb78 <4>[ 158.503839] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 158.511506] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 158.517439] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 158.525281] r10:c4f5c474 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 158.533378] r4:000000dc <4>[ 158.536193] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 158.544395] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 158.552584] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 158.557480] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 158.566108] [] (start_kernel) from [<00000000>] (0x0) <3>[ 236.088455] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 236.094349] rcu: 0-....: (1 GPs behind) idle=04e/1/0x40000004 softirq=6297/6298 fqs=4981 <4>[ 236.102904] (t=10405 jiffies g=7077 q=62) <4>[ 236.107289] NMI backtrace for cpu 0 <4>[ 236.111074] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 236.119362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 236.126172] Backtrace: <4>[ 236.128941] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 236.136806] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d058 <4>[ 236.142768] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 236.150380] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 236.158505] r9:c19df050 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 236.166545] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 236.176472] r5:c1e16800 r4:c03115d8 <4>[ 236.180325] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 236.191203] r9:c19df050 r8:c206a7d8 r7:c1e15d9c r6:c1ea9480 r5:c1ea9480 r4:00000000 <4>[ 236.199219] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 236.209408] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 236.218725] r10:c1e16560 r9:c1daf480 r8:c206bac0 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 236.226820] r4:c1ea9480 <4>[ 236.229630] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 236.238772] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:f7771090 r6:c1e01d28 r5:c1e00000 <4>[ 236.246868] r4:00000000 <4>[ 236.249676] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 236.258639] r5:00000036 r4:ef786f68 <4>[ 236.262485] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 236.271108] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 236.280163] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 236.288178] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 236.297320] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:f7770773 r6:00000036 r5:60070193 <4>[ 236.305414] r4:ef7869c0 <4>[ 236.308223] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 236.316408] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 236.324502] r4:00000001 <4>[ 236.327314] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 236.336104] r5:c2973700 r4:c295b400 <4>[ 236.339952] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 236.349354] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 236.357370] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 236.365992] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 236.374005] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 236.381754] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 236.387078] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 236.395526] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 236.403971] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 236.409292] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 236.417309] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 236.425496] r10:0000001e r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 236.433589] r4:ffffe000 <4>[ 236.436393] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 236.444054] r5:00000000 r4:c1dad49c <4>[ 236.447899] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 236.455997] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 236.464619] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 236.472632] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 236.480379] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 236.485701] 1e60: c100329c ffffe000 00000000 c1e00000 00000000 c1e1ed70 ef78cb78 00000000 <4>[ 236.494147] 1e80: c1e15d98 c206c200 0000001e c1e01eec c1e01e88 c1e01eb0 c0478294 c10032a0 <4>[ 236.502589] 1ea0: 60070013 ffffffff <4>[ 236.506348] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c10032a0 <4>[ 236.514366] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 236.522899] r10:c1e1ed70 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ed70 <4>[ 236.530993] r4:ef78cb78 <4>[ 236.533802] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 236.541466] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 236.547395] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 236.555233] r10:c4f5c474 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 236.563327] r4:000000dc <4>[ 236.566136] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 236.574334] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 236.582517] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 236.587408] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 236.596031] [] (start_kernel) from [<00000000>] (0x0) <3>[ 314.118448] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 314.124332] rcu: 0-....: (1 GPs behind) idle=04e/1/0x40000004 softirq=6297/6298 fqs=8693 <4>[ 314.132884] (t=18208 jiffies g=7077 q=127) <4>[ 314.137353] NMI backtrace for cpu 0 <4>[ 314.141133] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 314.149420] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 314.156229] Backtrace: <4>[ 314.158993] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 314.166858] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d058 <4>[ 314.172818] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 314.180430] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 314.188554] r9:c19df050 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 314.196593] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 314.206530] r5:c1e16800 r4:c03115d8 <4>[ 314.210390] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 314.221268] r9:c19df050 r8:c206a7d8 r7:c1e15d9c r6:c1ea9480 r5:c1ea9480 r4:00000000 <4>[ 314.229283] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 314.239472] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 314.248788] r10:c1e16560 r9:c1daf480 r8:c206bac0 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 314.256882] r4:c1ea9480 <4>[ 314.259692] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 314.268834] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:226a6401 r6:c1e01d28 r5:c1e00000 <4>[ 314.276928] r4:00000000 <4>[ 314.279734] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 314.288698] r5:00000049 r4:ef786f68 <4>[ 314.292544] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 314.301166] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 314.310220] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 314.318236] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 314.327377] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:226a5ae4 r6:00000049 r5:60070193 <4>[ 314.335472] r4:ef7869c0 <4>[ 314.338280] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 314.346466] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 314.354561] r4:00000001 <4>[ 314.357370] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 314.366159] r5:c2973700 r4:c295b400 <4>[ 314.370006] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 314.379407] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 314.387422] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 314.396041] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 314.404055] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 314.411803] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 314.417127] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 314.425573] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 314.434017] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 314.439338] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 314.447352] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 314.455538] r10:0000001e r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 314.463631] r4:ffffe000 <4>[ 314.466435] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 314.474096] r5:00000000 r4:c1dad49c <4>[ 314.477941] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 314.486042] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 314.494661] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 314.502675] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 314.510422] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 314.515744] 1e60: c100329c ffffe000 00000000 c1e00000 00000000 c1e1ed70 ef78cb78 00000000 <4>[ 314.524190] 1e80: c1e15d98 c206c200 0000001e c1e01eec c1e01e88 c1e01eb0 c0478294 c10032a0 <4>[ 314.532634] 1ea0: 60070013 ffffffff <4>[ 314.536391] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c10032a0 <4>[ 314.544408] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 314.552941] r10:c1e1ed70 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ed70 <4>[ 314.561036] r4:ef78cb78 <4>[ 314.563845] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 314.571508] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 314.577439] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 314.585278] r10:c4f5c474 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 314.593373] r4:000000dc <4>[ 314.596181] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 314.604373] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 314.612556] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 314.617447] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 314.626068] [] (start_kernel) from [<00000000>] (0x0) # not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # TIMEOUT 45 seconds # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <28>[ 350.653966] systemd[1]: systemd-journald.service: Main process exited, code=killed, status=6/ABRT <28>[ 350.664874] systemd[1]: systemd-journald.service: Failed with result 'watchdog'. <30>[ 350.676502] systemd[1]: systemd-journald.service: Consumed 3.548s CPU time. <30>[ 350.694614] systemd[1]: systemd-journald.service: Scheduled restart job, restart counter is at 1. <30>[ 350.713660] systemd[1]: Stopped systemd-journald.service - Journal Service. <30>[ 350.721598] systemd[1]: systemd-journald.service: Consumed 3.548s CPU time. <30>[ 350.730051] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 350.765561] systemd[1]: Starting systemd-journald.service - Journal Service... <44>[ 350.923258] systemd-journald[2685]: File /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal corrupted or uncleanly shut down, renaming and replacing. <6>[ 350.984374] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 350.990828] lkdtm: attempting good refcount_add() without overflow <6>[ 350.997292] lkdtm: attempting bad refcount_add() overflow <4>[ 351.003068] ------------[ cut here ]------------ <4>[ 351.007998] WARNING: CPU: 0 PID: 2698 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 351.016809] refcount_t: saturated; leaking memory. <4>[ 351.021943] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 351.054474] CPU: 0 PID: 2698 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 351.062497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 351.069292] Backtrace: <4>[ 351.072030] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 351.079871] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 351.085806] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 351.093391] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 351.100624] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 <4>[ 351.108640] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 351.116392] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c5cb8000 <4>[ 351.122325] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 351.131554] r9:c1ad722c r8:c15ec020 r7:c5cb9f60 r6:00000016 r5:c6343000 r4:c5cb8000 <4>[ 351.139577] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 351.149510] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 351.159869] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 351.169268] r4:0000002c <4>[ 351.172073] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 351.180354] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 351.188540] r9:c5cb9f60 r8:c3022c00 r7:00000016 r6:b6dfb000 r5:c6165e00 r4:c0c599ac <4>[ 351.196562] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 351.204663] r9:c07e2978 r8:c5cb9f60 r7:c290d000 r6:b6dfb000 r5:c6165e00 r4:00000000 <4>[ 351.212678] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 351.220083] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c5cb8000 r5:c6165e00 <4>[ 351.228178] r4:c6165e00 <4>[ 351.230983] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 351.238387] r9:c5cb8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 351.246403] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 351.254239] Exception stack(0xc5cb9fa8 to 0xc5cb9ff0) <4>[ 351.259561] 9fa0: 00000016 00000016 00000001 b6dfb000 00000016 00000001 <4>[ 351.268009] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dfb000 00020000 0048fe38 <4>[ 351.276454] 9fe0: 00000004 becd17e8 b6ec133b b6e3a616 <4>[ 351.281820] irq event stamp: 0 <4>[ 351.285155] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 351.291035] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 351.298821] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 351.306578] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 351.312450] ---[ end trace 1286819e0a8ce1d4 ]--- <6>[ 351.317340] lkdtm: Overflow detected: saturated # [ 350.984374] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 350.990828] lkdtm: attempting good refcount_add() without overflow # [ 350.997292] lkdtm: attempting bad refcount_add() overflow # [ 351.003068] ------------[ cut here ]------------ # [ 351.007998] WARNING: CPU: 0 PID: 2698 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 351.016809] refcount_t: saturated; leaking memory. # [ 351.021943] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 351.054474] CPU: 0 PID: 2698 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 351.062497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 351.069292] Backtrace: # [ 351.072030] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 351.079871] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 351.085806] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 351.093391] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 351.100624] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 # [ 351.108640] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 351.116392] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c5cb8000 # [ 351.122325] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 351.131554] r9:c1ad722c r8:c15ec020 r7:c5cb9f60 r6:00000016 r5:c6343000 r4:c5cb8000 # [ 351.139577] [] (refcount_warn_sat<30>[ 351.768787] systemd[1]: Started systemd-journald.service - Journal Service. urate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 351.149510] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 351.159869] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 351.169268] r4:0000002c # [ 351.172073] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 351.180354] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 351.188540] r9:c5cb9f60 r8:c3022c00 r7:00000016 r6:b6dfb000 r5:c6165e00 r4:c0c599ac # [ 351.196562] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 351.204663] r9:c07e2978 r8:c5cb9f60 r7:c290d000 r6:b6dfb000 r5:c6165e00 r4:00000000 # [ 351.212678] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 351.220083] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c5cb8000 r5:c6165e00 # [ 351.228178] r4:c6165e00 # [ 351.230983] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 351.238387] r9:c5cb8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 351.246403] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 351.254239] Exception stack(0xc5cb9fa8 to 0xc5cb9ff0) # [ 351.259561] 9fa0: 00000016 00000016 00000001 b6dfb000 00000016 00000001 # [ 351.268009] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dfb000 00020000 0048fe38 # [ 351.276454] 9fe0: 00000004 becd17e8 b6ec133b b6e3a616 # [ 351.281820] irq event stamp: 0 # [ 351.285155] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 351.291035] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 351.298821] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 351.306578] softirqs last disabled at (0): [<00000000>] 0x0 # [ 351.312450] ---[ end trace 1286819e0a8ce1d4 ]--- # [ 351.317340] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh <6>[ 352.005861] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 352.012995] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 352.019490] ------------[ cut here ]------------ <4>[ 352.024395] WARNING: CPU: 0 PID: 2733 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 352.033134] refcount_t: saturated; leaking memory. <4>[ 352.038198] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 352.070783] CPU: 0 PID: 2733 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 352.078805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 352.085599] Backtrace: <4>[ 352.088330] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 352.096172] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 352.102106] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 352.109693] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 352.116925] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 <4>[ 352.124939] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 352.132690] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c6294000 <4>[ 352.138624] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 352.147853] r9:c1ad7244 r8:c15ec020 r7:c6295f60 r6:0000001f r5:c44e7000 r4:7fffffff <4>[ 352.155873] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 352.166581] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 352.178498] r5:c44e7000 r4:c6294000 <4>[ 352.182351] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 352.192531] r4:0000002d <4>[ 352.195337] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 352.203617] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 352.211804] r9:c6295f60 r8:c3022c00 r7:0000001f r6:b6e07000 r5:c2a23900 r4:c0c599ac <4>[ 352.219824] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 352.227925] r9:c07e2978 r8:c6295f60 r7:c290d000 r6:b6e07000 r5:c2a23900 r4:00000000 <4>[ 352.235939] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 352.243344] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6294000 r5:c2a23900 <4>[ 352.251439] r4:c2a23900 <4>[ 352.254246] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 352.261650] r9:c6294000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 352.269666] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 352.277502] Exception stack(0xc6295fa8 to 0xc6295ff0) <4>[ 352.282826] 5fa0: 0000001f 0000001f 00000001 b6e07000 0000001f 00000001 <4>[ 352.291274] 5fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e07000 00020000 004ffe38 <4>[ 352.299717] 5fe0: 00000004 bed437e8 b6ecd33b b6e46616 <4>[ 352.305068] irq event stamp: 0 <4>[ 352.308400] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 352.314277] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 352.322069] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 352.329901] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 352.335750] ---[ end trace 1286819e0a8ce1d5 ]--- <6>[ 352.340667] lkdtm: Overflow detected: saturated # [ 352.005861] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 352.012995] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 352.019490] ------------[ cut here ]------------ # [ 352.024395] WARNING: CPU: 0 PID: 2733 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 352.033134] refcount_t: saturated; leaking memory. # [ 352.038198] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 352.070783] CPU: 0 PID: 2733 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 352.078805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 352.085599] Backtrace: # [ 352.088330] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 352.096172] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 352.102106] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 352.109693] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 352.116925] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 # [ 352.124939] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 352.132690] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c6294000 # [ 352.138624] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 352.147853] r9:c1ad7244 r8:c15ec020 r7:c6295f60 r6:0000001f r5:c44e7000 r4:7fffffff # [ 352.155873] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 352.166581] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 352.178498] r5:c44e7000 r4:c6294000 # [ 352.182351] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 352.192531] r4:0000002d # [ 352.195337] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 352.203617] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 352.211804] r9:c6295f60 r8:c3022c00 r7:0000001f r6:b6e07000 r5:c2a23900 r4:c0c599ac # [ 352.219824] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 352.227925] r9:c07e2978 r8:c6295f60 r7:c290d000 r6:b6e07000 r5:c2a23900 r4:00000000 # [ 352.235939] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 352.243344] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6294000 r5:c2a23900 # [ 352.251439] r4:c2a23900 # [ 352.254246] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 352.261650] r9:c6294000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 352.269666] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 352.277502] Exception stack(0xc6295fa8 to 0xc6295ff0) # [ 352.282826] 5fa0: 0000001f 0000001f 00000001 b6e07000 0000001f 00000001 # [ 352.291274] 5fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e07000 00020000 004ffe38 # [ 352.299717] 5fe0: 00000004 bed437e8 b6ecd33b b6e46616 # [ 352.305068] irq event stamp: 0 # [ 352.308400] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 352.314277] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 352.322069] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 352.329901] softirqs last disabled at (0): [<00000000>] 0x0 # [ 352.335750] ---[ end trace 1286819e0a8ce1d5 ]--- # [ 352.340667] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERF<6>[ 352.790459] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW LOW.sh # exit=1 # sf[t e 3s2.798040] lkdtm: attempting bad refcount_add_not_zero() overflow ts: lkdtm: REFCOUNT_ADD_NOT_ZERO_<4>[ 352.806738] ------------[ cut here ]------------ OVERFLOW.sh <4>[ 352.814527] WARNING: CPU: 3 PID: 2769 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 352.824271] refcount_t: saturated; leaking memory. <4>[ 352.829366] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 352.861820] CPU: 3 PID: 2769 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 352.869832] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 352.876624] Backtrace: <4>[ 352.879356] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 352.887198] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 352.893131] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 352.900717] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 352.907949] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 <4>[ 352.915963] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 352.923713] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c5fa0000 <4>[ 352.929645] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 352.938873] r9:c1ad7264 r8:c15ec020 r7:c5fa1f60 r6:0000001f r5:c636a000 r4:7fffffff <4>[ 352.946894] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 352.957602] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 352.969516] r5:c636a000 r4:c5fa0000 <4>[ 352.973368] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 352.983547] r4:0000002e <4>[ 352.986351] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 352.994631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 353.002819] r9:c5fa1f60 r8:c3022c00 r7:0000001f r6:b6e08000 r5:c6164000 r4:c0c599ac <4>[ 353.010837] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 353.018936] r9:c07e2978 r8:c5fa1f60 r7:c290d000 r6:b6e08000 r5:c6164000 r4:00000000 <4>[ 353.026950] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 353.034356] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5fa0000 r5:c6164000 <4>[ 353.042451] r4:c6164000 <4>[ 353.045257] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 353.052662] r9:c5fa0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 353.060678] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 353.068512] Exception stack(0xc5fa1fa8 to 0xc5fa1ff0) <4>[ 353.073833] 1fa0: 0000001f 0000001f 00000001 b6e08000 0000001f 00000001 <4>[ 353.082281] 1fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e08000 00020000 0043fe38 <4>[ 353.090726] 1fe0: 00000004 be9bc7e8 b6ece33b b6e47616 <4>[ 353.096100] irq event stamp: 0 <4>[ 353.099454] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 353.105304] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 353.113111] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 353.120909] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 353.126763] ---[ end trace 1286819e0a8ce1d6 ]--- <6>[ 353.131685] lkdtm: Overflow detected: saturated # [ 352.790459] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 352.798040] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 352.806738] ------------[ cut here ]------------ # [ 352.814527] WARNING: CPU: 3 PID: 2769 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 352.824271] refcount_t: saturated; leaking memory. # [ 352.829366] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 352.861820] CPU: 3 PID: 2769 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 352.869832] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 352.876624] Backtrace: # [ 352.879356] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 352.887198] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 352.893131] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 352.900717] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 352.907949] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 # [ 352.915963] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 352.923713] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c5fa0000 # [ 352.929645] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 352.938873] r9:c1ad7264 r8:c15ec020 r7:c5fa1f60 r6:0000001f r5:c636a000 r4:7fffffff # [ 352.946894] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 352.957602] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 352.969516] r5:c636a000 r4:c5fa0000 # [ 352.973368] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 352.983547] r4:0000002e # [ 352.986351] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 352.994631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 353.002819] r9:c5fa1f60 r8:c3022c00 r7:0000001f r6:b6e08000 r5:c6164000 r4:c0c599ac # [ 353.010837] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 353.018936] r9:c07e2978 r8:c5fa1f60 r7:c290d000 r6:b6e08000 r5:c6164000 r4:00000000 # [ 353.026950] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 353.034356] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5fa0000 r5:c6164000 # [ 353.042451] r4:c6164000 # [ 353.045257] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 353.052662] r9:c5fa0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 353.060678] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 353.068512] Exception stack(0xc5fa1fa8 to 0xc5fa1ff0) # [ 353.073833] 1fa0: 0000001f 0000001f 00000001 b6e08000 0000001f 00000001 # [ 353.082281] 1fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e08000 00020000 0043fe38 # [ 353.090726] 1fe0: 00000004 be9bc7e8 b6ece33b b6e47616 # [ 353.096100] irq event stamp: 0 # [ 353.099454] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 353.105304] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 353.113111] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 353.120909] softirqs last disabled at (0): [<00000000>] 0x0 # [ 353.126763] ---[ end trace 1286819e0a8ce1d6 ]--- # [ 353.131685] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selft<6>[ 353.571477] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ests: lkdtm: REFCOUNT_ADD_NOT_ZER<6>[ 353.579574] lkdtm: attempting good refcount_dec() O_OVERFLOW.sh # exit=1 # selftes<6>[ 353.587299] lkdtm: attempting bad refcount_dec() to zero ts: lkdtm: REFCOUNT_DEC_ZERO.sh <4>[ 353.595761] ------------[ cut here ]------------ <4>[ 353.603633] WARNING: CPU: 3 PID: 2804 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 353.612395] refcount_t: decrement hit 0; leaking memory. <4>[ 353.617978] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 353.650464] CPU: 3 PID: 2804 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 353.658476] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 353.665268] Backtrace: <4>[ 353.668000] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 353.675840] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 353.681773] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 353.689358] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 353.696589] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b160 <4>[ 353.704604] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 353.712356] r7:0000001f r6:c1a2b160 r5:c1a2b1c4 r4:c2d5e000 <4>[ 353.718287] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 353.727516] r9:c1ad7284 r8:c15ec020 r7:c2d5ff60 r6:00000012 r5:c63d4000 r4:c2d5e000 <4>[ 353.735535] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 353.745462] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 353.755477] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 353.764528] r4:0000002f <4>[ 353.767333] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 353.775613] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 353.783799] r9:c2d5ff60 r8:c3022c00 r7:00000012 r6:b6dff000 r5:c428a640 r4:c0c599ac <4>[ 353.791820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 353.799919] r9:c07e2978 r8:c2d5ff60 r7:c290d000 r6:b6dff000 r5:c428a640 r4:00000000 <4>[ 353.807933] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 353.815338] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c2d5e000 r5:c428a640 <4>[ 353.823432] r4:c428a640 <4>[ 353.826239] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 353.833645] r9:c2d5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 353.841661] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 353.849498] Exception stack(0xc2d5ffa8 to 0xc2d5fff0) <4>[ 353.854821] ffa0: 00000012 00000012 00000001 b6dff000 00000012 00000001 <4>[ 353.863268] ffc0: 00000012 00000012 7ff00000 00000004 00000001 b6dff000 00020000 0041fe38 <4>[ 353.871714] ffe0: 00000004 bead17e8 b6ec533b b6e3e616 <4>[ 353.877095] irq event stamp: 0 <4>[ 353.880450] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 353.886301] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 353.894119] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 353.901936] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 353.907785] ---[ end trace 1286819e0a8ce1d7 ]--- <6>[ 353.912706] lkdtm: Zero detected: saturated # [ 353.571477] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 353.579574] lkdtm: attempting good refcount_dec() # [ 353.587299] lkdtm: attempting bad refcount_dec() to zero # [ 353.595761] ------------[ cut here ]------------ # [ 353.603633] WARNING: CPU: 3 PID: 2804 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 353.612395] refcount_t: decrement hit 0; leaking memory. # [ 353.617978] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 353.650464] CPU: 3 PID: 2804 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 353.658476] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 353.665268] Backtrace: # [ 353.668000] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 353.675840] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 353.681773] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 353.689358] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 353.696589] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b160 # [ 353.704604] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 353.712356] r7:0000001f r6:c1a2b160 r5:c1a2b1c4 r4:c2d5e000 # [ 353.718287] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 353.727516] r9:c1ad7284 r8:c15ec020 r7:c2d5ff60 r6:00000012 r5:c63d4000 r4:c2d5e000 # [ 353.735535] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 353.745462] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 353.755477] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 353.764528] r4:0000002f # [ 353.767333] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 353.775613] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 353.783799] r9:c2d5ff60 r8:c3022c00 r7:00000012 r6:b6dff000 r5:c428a640 r4:c0c599ac # [ 353.791820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 353.799919] r9:c07e2978 r8:c2d5ff60 r7:c290d000 r6:b6dff000 r5:c428a640 r4:00000000 # [ 353.807933] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 353.815338] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c2d5e000 r5:c428a640 # [ 353.823432] r4:c428a640 # [ 353.826239] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 353.833645] r9:c2d5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 353.841661] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 353.849498] Exception stack(0xc2d5ffa8 to 0xc2d5fff0) # [ 353.854821] ffa0: 00000012 00000012 00000001 b6dff000 00000012 00000001 # [ 353.863268] ffc0: 00000012 00000012 7ff00000 00000004 00000001 b6dff000 00020000 0041fe38 # [ 353.871714] ffe0: 00000004 bead17e8 b6ec533b b6e3e616 # [ 353.877095] irq event stamp: 0 # [ 353.880450] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 353.886301] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 353.894119] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 353.901936] softirqs last disabled at (0): [<00000000>] 0x0 # [ 353.907785] ---[ end trace 1286819e0a8ce1d7 ]--- # [ 353.912706] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 354.367917] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 354.374260] lkdtm: attempting bad refcount_dec() below zero <4>[ 354.380268] ------------[ cut here ]------------ <4>[ 354.385200] WARNING: CPU: 3 PID: 2842 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 354.393950] refcount_t: decrement hit 0; leaking memory. <4>[ 354.399560] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 354.432037] CPU: 3 PID: 2842 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 354.440048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 354.446841] Backtrace: <4>[ 354.449573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 354.457414] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 354.463345] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 354.470929] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 354.478162] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b160 <4>[ 354.486179] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 354.493931] r7:0000001f r6:c1a2b160 r5:c1a2b1c4 r4:c2a2e000 <4>[ 354.499863] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 354.509091] r9:c1ad7298 r8:c15ec020 r7:c2a2ff60 r6:00000016 r5:00000000 r4:c2a2e000 <4>[ 354.517110] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 354.527037] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 354.537400] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 354.546801] r5:c636a000 r4:00000030 <4>[ 354.550648] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 354.558928] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 354.567114] r9:c2a2ff60 r8:c3022c00 r7:00000016 r6:b6e0c000 r5:c6165b80 r4:c0c599ac <4>[ 354.575133] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 354.583231] r9:c07e2978 r8:c2a2ff60 r7:c290d000 r6:b6e0c000 r5:c6165b80 r4:00000000 <4>[ 354.591244] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 354.598651] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c2a2e000 r5:c6165b80 <4>[ 354.606745] r4:c6165b80 <4>[ 354.609552] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 354.616958] r9:c2a2e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 354.624974] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 354.632810] Exception stack(0xc2a2ffa8 to 0xc2a2fff0) <4>[ 354.638132] ffa0: 00000016 00000016 00000001 b6e0c000 00000016 00000001 <4>[ 354.646582] ffc0: 00000016 00000016 7ff00000 00000004 00000001 b6e0c000 00020000 0046fe38 <4>[ 354.655026] ffe0: 00000004 bea747e8 b6ed233b b6e4b616 <4>[ 354.660395] irq event stamp: 0 <4>[ 354.663728] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 354.669605] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 354.677390] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 354.685231] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 354.691117] ---[ end trace 1286819e0a8ce1d8 ]--- <6>[ 354.696009] lkdtm: Negative detected: saturated # [ 0.000000] DMA zone: 0 pages reserved # [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 # [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14571397/extract-nfsrootfs-2jbnypvf,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 920724K/1048576K available (17408K kernel code, 2714K rwdata, 8152K rodata, 2048K init, 6693K bss, 62316K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56166 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 354.367917] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 354.374260] lkdtm: attempting bad refcount_dec() below zero # [ 354.380268] ------------[ cut here ]------------ # [ 354.385200] WARNING: CPU: 3 PID: 2842 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 354.393950] refcount_t: decrement hit 0; leaking memory. # [ 354.399560] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 354.432037] CPU: 3 PID: 2842 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 354.440048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 354.446841] Backtrace: # [ 354.449573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 354.457414] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 354.463345] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 354.470929] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 354.478162] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b160 # [ 354.486179] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 354.493931] r7:0000001f r6:c1a2b160 r5:c1a2b1c4 r4:c2a2e000 # [ 354.499863] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 354.509091] r9:c1ad7298 r8:c15ec020 r7:c2a2ff60 r6:00000016 r5:00000000 r4:c2a2e000 # [ 354.517110] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 354.527037] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 354.537400] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 354.546801] r5:c636a000 r4:00000030 # [ 354.550648] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 354.558928] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 354.567114] r9:c2a2ff60 r8:c3022c00 r7:00000016 r6:b6e0c000 r5:c6165b80 r4:c0c599ac # [ 354.575133] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 354.583231] r9:c07e2978 r8:c2a2ff60 r7:c290d000 r6:b6e0c000 r5:c6165b80 r4:00000000 # [ 354.591244] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 354.598651] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c2a2e000 r5:c6165b80 # [ 354.606745] r4:c6165b80 # [ 354.609552] [] (ksys_write) <6>[ 355.157788] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE from [] (sys_write+0x18<6>[ 355.167171] lkdtm: attempting bad refcount_dec_and_test() below zero /0x1c) # [ 354.616958] r9:c2a2<4>[ 355.176779] ------------[ cut here ]------------ e000 r8:c03002e4 r7:00000004 r6:7<4>[ 355.184499] WARNING: CPU: 0 PID: 2878 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 ff00000 r5:00000016 r4:00000016 <4>[ 355.196149] refcount_t: underflow; use-after-free. # [ 354.624974] [] (sy<4>[ 355.204162] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 s_write) from [] (ret_f<4>[ 355.239129] CPU: 0 PID: 2878 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 355.249952] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 355.256745] Backtrace: <4>[ 355.259477] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 355.267319] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 355.273252] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 355.280839] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 355.288073] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 <4>[ 355.296089] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 355.303839] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c5eee000 <4>[ 355.309772] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 355.319089] r9:c1ad72b0 r8:c15ec020 r7:c5eeff60 r6:0000001f r5:00000000 r4:c5eee000 <4>[ 355.327110] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 355.337823] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 355.349746] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 355.359925] r5:c43d8000 r4:00000031 <4>[ 355.363772] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 355.372054] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 355.380242] r9:c5eeff60 r8:c3022c00 r7:0000001f r6:b6e22000 r5:c4350c80 r4:c0c599ac <4>[ 355.388263] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 355.396362] r9:c07e2978 r8:c5eeff60 r7:c290d000 r6:b6e22000 r5:c4350c80 r4:00000000 <4>[ 355.404378] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 355.411784] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5eee000 r5:c4350c80 <4>[ 355.419877] r4:c4350c80 <4>[ 355.422683] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 355.430088] r9:c5eee000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 355.438103] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 355.445939] Exception stack(0xc5eeffa8 to 0xc5eefff0) <4>[ 355.451263] ffa0: 0000001f 0000001f 00000001 b6e22000 0000001f 00000001 <4>[ 355.459710] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e22000 00020000 0042fe38 <4>[ 355.468155] ffe0: 00000004 bec127e8 b6ee833b b6e61616 ast_syscall+0x0/0x28) # [ 354.6<4>[ 355.473538] irq event stamp: 0 32810] Exception stack(0xc2a2ffa8<4>[ 355.479760] hardirqs last enabled at (0): [<00000000>] 0x0 to 0xc2a2fff0) # [ 354.638132]<4>[ 355.488484] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac ffa0: 00000016<4>[ 355.499075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 00000016 00000001 b6e0c000 00000<4>[ 355.509700] softirqs last disabled at (0): [<00000000>] 0x0 016 00000001 # [ 354.646582] ff<4>[ 355.518386] ---[ end trace 1286819e0a8ce1d9 ]--- c0: 00000016 00000016 7ff00000 00<6>[ 355.526149] lkdtm: Negative detected: saturated 000004 00000001 b6e0c000 00020000 0046fe38 # [ 354.655026] ffe0: 00000004 bea747e8 b6ed233b b6e4b616 # [ 354.660395] irq event stamp: 0 # [ 354.663728] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 354.669605] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 354.677390] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 354.685231] softirqs last disabled at (0): [<00000000>] 0x0 # [ 354.691117] ---[ end trace 1286819e0a8ce1d8 ]--- # [ 354.696009] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 355.157788] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 355.167171] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 355.176779] ------------[ cut here ]------------ # [ 355.184499] WARNING: CPU: 0 PID: 2878 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 355.196149] refcount_t: underflow; use-after-free. # [ 355.204162] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 355.239129] CPU: 0 PID: 2878 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 355.249952] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 355.256745] Backtrace: # [ 355.259477] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 355.267319] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 355.273252] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 355.280839] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 355.288073] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 # [ 355.296089] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 355.303839] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c5eee000 # [ 355.309772] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 355.319089] r9:c1ad72b0 r8:c15ec020 r7:c5eeff60 r6:0000001f r5:00000000 r4:c5eee000 # [ 355.327110] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 355.337823] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 355.349746] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 355.359925] r5:c43d8000 r4:00000031 # [ 355.363772] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 355.372054] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 355.380242] r9:c5eeff60 r8:c3022c00 r7:0000001f r6:b6e22000 r5:c4350c80 r4:c0c599ac # [ 355.388263] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 355.396362] r9:c07e2978 r8:c5eeff60 r7:c290d000 r6:b6e22000 r5:c4350c80 r4:00000000 # [ 355.404378] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 355.411784] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5eee000 r5:c4350c80 # [ 355.419877] r4:c4350c80 # [ 355.422683] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 355.430088] r9:c5eee000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 355.438103] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 355.445939] Exception stack(0xc5eeffa8 to 0xc5eefff0) # [ 355.451263] ffa0: 0000001f 0000001f 00000001 b6e22000 0000001f 00000001 # [ 355.459710] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e22000 00020000 0042fe38 # [ 355.468155] ffe0: 00000004 bec127e8 b6ee833b b6e61616 # [ 355.473538] irq event stamp: 0 # [ 355.479760] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 355.488484] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 355.499075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 355.509700] softirqs last disabled at (0): [<00000000>] 0x0 # [ 355.518386] ---[ end trace 1286819e0a8ce1d9 ]--- # [ 355.526149] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh <6>[ 355.982797] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 355.989993] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 355.996648] ------------[ cut here ]------------ <4>[ 356.001604] WARNING: CPU: 0 PID: 2914 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 356.010473] refcount_t: underflow; use-after-free. <4>[ 356.015538] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 356.048119] CPU: 0 PID: 2914 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 356.056131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 356.062925] Backtrace: <4>[ 356.065659] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 356.073503] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 356.079438] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 356.087023] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 356.094257] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 <4>[ 356.102270] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 356.110021] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c5e3e000 <4>[ 356.115957] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 356.125274] r9:c1ad72d0 r8:c15ec020 r7:c5e3ff60 r6:0000001f r5:c418b000 r4:c5e3e000 <4>[ 356.133295] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 356.144007] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 356.155930] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 356.166109] r4:00000032 <4>[ 356.168916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 356.177196] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 356.185383] r9:c5e3ff60 r8:c3022c00 r7:0000001f r6:b6e77000 r5:c4334b40 r4:c0c599ac <4>[ 356.193403] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 356.201503] r9:c07e2978 r8:c5e3ff60 r7:c290d000 r6:b6e77000 r5:c4334b40 r4:00000000 <4>[ 356.209516] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 356.216921] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c5e3e000 r5:c4334b40 <4>[ 356.225018] r4:c4334b40 <4>[ 356.227823] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 356.235229] r9:c5e3e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 356.243244] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 356.251078] Exception stack(0xc5e3ffa8 to 0xc5e3fff0) <4>[ 356.256402] ffa0: 0000001f 0000001f 00000001 b6e77000 0000001f 00000001 <4>[ 356.264849] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e77000 00020000 004afe38 <4>[ 356.273296] ffe0: 00000004 bed2b7e8 b6f3d33b b6eb6616 <4>[ 356.278650] irq event stamp: 0 <4>[ 356.281983] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 356.287834] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 356.295676] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 356.303475] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 356.309347] ---[ end trace 1286819e0a8ce1da ]--- <6>[ 356.314236] lkdtm: Negative detected: saturated # [ 355.982797] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 355.989993] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 355.996648] ------------[ cut here ]------------ # [ 356.001604] WARNING: CPU: 0 PID: 2914 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 356.010473] refcount_t: underflow; use-after-free. # [ 356.015538] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 356.048119] CPU: 0 PID: 2914 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 356.056131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 356.062925] Backtrace: # [ 356.065659] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 356.073503] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 356.079438] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 356.087023] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 356.094257] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 # [ 356.102270] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 356.110021] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c5e3e000 # [ 356.115957] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 356.125274] r9:c1ad72d0 r8:c15ec020 r7:c5e3ff60 r6:0000001f r5:c418b000 r4:c5e3e000 # [ 356.133295] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 356.144007] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 356.155930] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 356.166109] r4:00000032 # [ 356.168916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 356.177196] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 356.185383] r9:c5e3ff60 r8:c3022c00 r7:0000001f r6:b6e77000 r5:c4334b40 r4:c0c599ac # [ 356.193403] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 356.201503] r9:c07e2978 r8:c5e3ff60 r7:c290d000 r6:b6e77000 r5:c4334b40 r4:00000000 # [ 356.209516] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 356.216921] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c5e3e000 r5:c4334b40 # [ 356.225018] r4:c4334b40 # [ 356.227823] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 356.235229] r9:c5e3e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 356.243244] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 356.251078] Exception stack(0xc5e3ffa8 to 0xc5e3fff0) # [ 356.256402] ffa0: 0000001f 0000001f 00000001 b6e77000 0000001f 00000001 # [ 356.264849] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e77000 00020000 004afe38 # [ 356.273296] ffe0: 00000004 bed2b7e8 b6f3d33b b6eb6616 # [ 356.278650] irq event stamp: 0 # [ 356.281983] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 356.287834] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 356.295676] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 356.303475] softirqs last disabled at (0): [<00000000>] 0x0 # [ 356.309347] ---[ end trace 1286819e0a8ce1da ]--- # [ 356.314236] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negativ<6>[ 356.761637] lkdtm: Performing direct entry REFCOUNT_INC_ZERO e detected: saturate:[ o k356.768121] lkdtm: attempting safe refcount_inc_not_zero() from zero ok 49 selftests: lkdtm: REFCOUNT<6>[ 356.777072] lkdtm: Good: zero detected _SUB_AND_TEST_NEGATIVE.sh # self<6>[ 356.783969] lkdtm: Correctly stayed at zero tests: lkdtm: REFCOUNT_INC_ZERO.s<6>[ 356.791231] lkdtm: attempting bad refcount_inc() from zero h <4>[ 356.799835] ------------[ cut here ]------------ <4>[ 356.804947] WARNING: CPU: 1 PID: 2947 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 356.813783] refcount_t: addition on 0; use-after-free. <4>[ 356.819221] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 356.851707] CPU: 1 PID: 2947 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 356.859718] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 356.866513] Backtrace: <4>[ 356.869243] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 356.877086] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 356.883021] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 356.890606] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 356.897840] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2b160 <4>[ 356.905856] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 356.913608] r7:00000019 r6:c1a2b160 r5:c1a2b170 r4:c6294000 <4>[ 356.919540] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 356.928854] r9:c1ad72f0 r8:c15ec020 r7:c6295f60 r6:00000012 r5:00000000 r4:c6294000 <4>[ 356.936873] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 356.946803] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 356.956816] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 356.965866] r5:c62d0000 r4:00000033 <4>[ 356.969715] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 356.977995] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 356.986181] r9:c6295f60 r8:c3022c00 r7:00000012 r6:b6e1a000 r5:c4205680 r4:c0c599ac <4>[ 356.994202] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 357.002303] r9:c07e2978 r8:c6295f60 r7:c290d000 r6:b6e1a000 r5:c4205680 r4:00000000 <4>[ 357.010317] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 357.017723] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6294000 r5:c4205680 <4>[ 357.025817] r4:c4205680 <4>[ 357.028623] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 357.036030] r9:c6294000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 357.044046] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 357.051881] Exception stack(0xc6295fa8 to 0xc6295ff0) <4>[ 357.057204] 5fa0: 00000012 00000012 00000001 b6e1a000 00000012 00000001 <4>[ 357.065652] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e1a000 00020000 0044fe38 <4>[ 357.074096] 5fe0: 00000004 be8bc7e8 b6ee033b b6e59616 <4>[ 357.079472] irq event stamp: 0 <4>[ 357.082806] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 357.088680] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 357.096462] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 357.104277] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 357.110157] ---[ end trace 1286819e0a8ce1db ]--- <6>[ 357.115052] lkdtm: Zero detected: saturated # [ 356.761637] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 356.768121] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 356.777072] lkdtm: Good: zero detected # [ 356.783969] lkdtm: Correctly stayed at zero # [ 356.791231] lkdtm: attempting bad refcount_inc() from zero # [ 356.799835] ------------[ cut here ]------------ # [ 356.804947] WARNING: CPU: 1 PID: 2947 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 356.813783] refcount_t: addition on 0; use-after-free. # [ 356.819221] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 356.851707] CPU: 1 PID: 2947 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 356.859718] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 356.866513] Backtrace: # [ 356.869243] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 356.877086] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 356.883021] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 356.890606] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 356.897840] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2b160 # [ 356.905856] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 356.913608] r7:00000019 r6:c1a2b160 r5:c1a2b170 r4:c6294000 # [ 356.919540] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 356.928854] r9:c1ad72f0 r8:c15ec020 r7:c6295f60 r6:00000012 r5:00000000 r4:c6294000 # [ 356.936873] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 356.946803] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 356.956816] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 356.965866] r5:c62d0000 r4:00000033 # [ 356.969715] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 356.977995] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 356.986181] r9:c6295f60 r8:c3022c00 r7:00000012 r6:b6e1a000 r5:c4205680 r4:c0c599ac # [ 356.994202] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 357.002303] r9:c07e2978 r8:c6295f60 r7:c290d000 r6:b6e1a000 r5:c4205680 r4:00000000 # [ 357.010317] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 357.017723] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6294000 r5:c4205680 # [ 357.025817] r4:c4205680 # [ 357.028623] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 357.036030] r9:c6294000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 357.044046] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 357.051881] Exception stack(0xc6295fa8 to 0xc6295ff0) # [ 357.057204] 5fa0: 00000012 00000012 00000001 b6e1a000 00000012 00000001 # [ 357.065652] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e1a000 00020000 0044fe38 # [ 357.074096] 5fe0: 00000004 be8bc7e8 b6ee033b b6e59616 # [ 357.079472] irq event stamp: 0 # [ 357.082806] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 357.088680] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 357.096462] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 357.104277] softirqs last disabled at (0): [<00000000>] 0x0 # [ 357.110157] ---[ end trace 1286819e0a8ce<6>[ 357.549494] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 1db ]--- # [ 357.115052] lkdtm:<6>[ 357.557201] lkdtm: attempting safe refcount_add_not_zero() from zero Zero detected: saturated # REFC<6>[ 357.566827] lkdtm: Good: zero detected OUNT_INC_ZERO: missing 'call trac<6>[ 357.573722] lkdtm: Correctly stayed at zero e:': [FAIL] not ok 50 selftests:<6>[ 357.581132] lkdtm: attempting bad refcount_add() from zero lkdtm: REFCOUNT_INC_ZERO.sh # ex<4>[ 357.589807] ------------[ cut here ]------------ it=1 # selftests: lkdtm: REFCOUN<4>[ 357.597485] WARNING: CPU: 0 PID: 2982 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 T_ADD_ZERO.sh <4>[ 357.609138] refcount_t: addition on 0; use-after-free. <4>[ 357.615813] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 357.648289] CPU: 0 PID: 2982 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 357.656302] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 357.663095] Backtrace: <4>[ 357.665828] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 357.673668] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 357.679601] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 357.687186] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 357.694418] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2b160 <4>[ 357.702433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 357.710186] r7:00000019 r6:c1a2b160 r5:c1a2b170 r4:c2a2e000 <4>[ 357.716118] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 357.725433] r9:c1ad7304 r8:c15ec020 r7:c2a2ff60 r6:00000012 r5:00000000 r4:c2a2e000 <4>[ 357.733454] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 357.743384] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 357.753396] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 357.762446] r5:c44e5000 r4:00000034 <4>[ 357.766294] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 357.774575] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 357.782761] r9:c2a2ff60 r8:c3022c00 r7:00000012 r6:b6e76000 r5:c428a3c0 r4:c0c599ac <4>[ 357.790782] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 357.798883] r9:c07e2978 r8:c2a2ff60 r7:c290d000 r6:b6e76000 r5:c428a3c0 r4:00000000 <4>[ 357.806897] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 357.814302] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c2a2e000 r5:c428a3c0 <4>[ 357.822396] r4:c428a3c0 <4>[ 357.825201] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 357.832607] r9:c2a2e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 357.840622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 357.848458] Exception stack(0xc2a2ffa8 to 0xc2a2fff0) <4>[ 357.853781] ffa0: 00000012 00000012 00000001 b6e76000 00000012 00000001 <4>[ 357.862228] ffc0: 00000012 00000012 7ff00000 00000004 00000001 b6e76000 00020000 0046fe38 <4>[ 357.870675] ffe0: 00000004 bef227e8 b6f3c33b b6eb5616 <4>[ 357.876025] irq event stamp: 0 <4>[ 357.879377] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 357.885227] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 357.893021] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 357.900831] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 357.906682] ---[ end trace 1286819e0a8ce1dc ]--- <6>[ 357.911599] lkdtm: Zero detected: saturated # [ 357.549494] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 357.557201] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 357.566827] lkdtm: Good: zero detected # [ 357.573722] lkdtm: Correctly stayed at zero # [ 357.581132] lkdtm: attempting bad refcount_add() from zero # [ 357.589807] ------------[ cut here ]------------ # [ 357.597485] WARNING: CPU: 0 PID: 2982 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 357.609138] refcount_t: addition on 0; use-after-free. # [ 357.615813] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 357.648289] CPU: 0 PID: 2982 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 357.656302] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 357.663095] Backtrace: # [ 357.665828] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 357.673668] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 357.679601] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 357.687186] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 357.694418] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2b160 # [ 357.702433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 357.710186] r7:00000019 r6:c1a2b160 r5:c1a2b170 r4:c2a2e000 # [ 357.716118] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 357.725433] r9:c1ad7304 r8:c15ec020 r7:c2a2ff60 r6:00000012 r5:00000000 r4:c2a2e000 # [ 357.733454] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 357.743384] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 357.753396] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 357.762446] r5:c44e5000 r4:00000034 # [ 357.766294] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 357.774575] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 357.782761] r9:c2a2ff60 r8:c3022c00 r7:00000012 r6:b6e76000 r5:c428a3c0 r4:c0c599ac # [ 357.790782] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 357.798883] r9:c07e2978 r8:c2a2ff60 r7:c290d000 r6:b6e76000 r5:c428a3c0 r4:00000000 # [ 357.806897] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 357.814302] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c2a2e000 r5:c428a3c0 # [ 357.822396] r4:c428a3c0 # [ 357.825201] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 357.832607] r9:c2a2e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 357.840622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 357.848458] Exception stack(0xc2a2ffa8 to 0xc2a2fff0) # [ 357.853781] ffa0: 00000012 00000012 00000001 b6e76000 00000012 00000001 # [ 357.862228] ffc0: 00000012 00000012 7ff00000 00000004 00000001 b6e76000 00020000 0046fe38 # [ 357.870675] ffe0: 00000004 bef227e8 b6f3c33b b6eb5616 # [ 357.876025] irq event stamp: 0 # [ 357.879377] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 357.885227] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 357.893021] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 357.900831] softirqs last disabled at (0): [<00000000>] 0x0 # [ 357.906682] ---[ end trace 1286819e0a8ce1dc ]--- # [ 357.911599] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # <6>[ 358.368162] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED selftests: lkdtm: REFCOUNT_INC_SA<6>[ 358.374983] lkdtm: attempting bad refcount_inc() from saturated TURATED.sh <4>[ 358.384138] ------------[ cut here ]------------ <4>[ 358.390022] WARNING: CPU: 0 PID: 3020 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 358.398767] refcount_t: saturated; leaking memory. <4>[ 358.403831] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 358.436403] CPU: 0 PID: 3020 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 358.444416] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 358.451210] Backtrace: <4>[ 358.453942] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 358.461783] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 358.467716] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 358.475300] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 358.482534] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 <4>[ 358.490551] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 358.498301] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c6162000 <4>[ 358.504233] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 358.513462] r9:c1ad7318 r8:c15ec020 r7:c6163f60 r6:00000017 r5:c6351000 r4:c6162000 <4>[ 358.521482] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 358.531414] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 358.541862] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 358.551347] r4:00000035 <4>[ 358.554154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 358.562436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 358.570622] r9:c6163f60 r8:c3022c00 r7:00000017 r6:b6e77000 r5:c6102280 r4:c0c599ac <4>[ 358.578641] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 358.586741] r9:c07e2978 r8:c6163f60 r7:c290d000 r6:b6e77000 r5:c6102280 r4:00000000 <4>[ 358.594755] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 358.602161] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6162000 r5:c6102280 <4>[ 358.610255] r4:c6102280 <4>[ 358.613063] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 358.620467] r9:c6162000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 358.628482] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 358.636318] Exception stack(0xc6163fa8 to 0xc6163ff0) <4>[ 358.641642] 3fa0: 00000017 00000017 00000001 b6e77000 00000017 00000001 <4>[ 358.650089] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e77000 00020000 0049fe38 <4>[ 358.658534] 3fe0: 00000004 beec37e8 b6f3d33b b6eb6616 <4>[ 358.663891] irq event stamp: 0 <4>[ 358.667225] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 358.673104] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 358.680903] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 358.688699] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 358.694545] ---[ end trace 1286819e0a8ce1dd ]--- <6>[ 358.699462] lkdtm: Saturation detected: still saturated # [ 358.368162] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 358.374983] lkdtm: attempting bad refcount_inc() from saturated # [ 358.384138] ------------[ cut here ]------------ # [ 358.390022] WARNING: CPU: 0 PID: 3020 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 358.398767] refcount_t: saturated; leaking memory. # [ 358.403831] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 358.436403] CPU: 0 PID: 3020 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 358.444416] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 358.451210] Backtrace: # [ 358.453942] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 358.461783] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 358.467716] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 358.475300] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 358.482534] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 # [ 358.490551] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 358.498301] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c6162000 # [ 358.504233] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 358.513462] r9:c1ad7318 r8:c15ec020 r7:c6163f60 r6:00000017 r5:c6351000 r4:c6162000 # [ 358.521482] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 358.531414] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 358.541862] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 358.551347] r4:00000035 # [ 358.554154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 358.562436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 358.570622] r9:c6163f60 r8:c3022c00 r7:00000017 r6:b6e77000 r5:c6102280 r4:c0c599ac # [ 358.578641] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 358.586741] r9:c07e2978 r8:c6163f60 r7:c290d000 r6:b6e77000 r5:c6102280 r4:00000000 # [ 358.594755] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 358.602161] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6162000 r5:c6102280 # [ 358.610255] r4:c6102280 # [ 358.613063] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 358.620467] r9:c6162000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 358.628482] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 358.636318] Exception stack(0xc6163fa8 to 0xc6163ff0) # [ 358.641642] 3fa0: 00000017 00000017 00000001 b6e77000 00000017 00000001 # [ 358.650089] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e77000 00020000 0049fe38 # [ 358.658534] 3fe0: 00000004 beec37e8 b6f3d33b b6eb6616 # [ 358.663891] irq event stamp: 0 # [ 358.667225] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 358.673104] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 358.680903] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 358.688699] softirqs last disabled at (0): [<00000000>] 0x0 # [ 358.694545] ---[ end trace 1286819e0a8ce<6>[ 359.138522] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 1dd ]--- # [ 3<568>.[6 9 934569.145340] lkdtm: attempting bad refcount_dec() from saturated ] lkdtm: Saturation detected: sti<4>[ 359.153653] ------------[ cut here ]------------ ll saturated # REFCOUNT_INC_SATU<4>[ 359.161440] WARNING: CPU: 3 PID: 3056 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 RATED: saw 'Saturation detected: <4>[ 359.172943] refcount_t: decrement hit 0; leaking memory. still saturated': ok ok 52 selft<4>[ 359.181371] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 ests: lkdtm: REFCOUNT_INC_SATURAT<4>[ 359.216385] CPU: 3 PID: 3056 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ED.sh # set[e s t3s5:9 .l2k7210] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) dtm: REFCOUNT_DEC_T[U R A3T59.235820] Backtrace: D.sh <4>[ 359.240711] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 359.249050] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 359.254983] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 359.262568] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 359.269799] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b160 <4>[ 359.277814] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 359.285566] r7:0000001f r6:c1a2b160 r5:c1a2b1c4 r4:c4284000 <4>[ 359.291500] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 359.300729] r9:c1ad7330 r8:c15ec020 r7:c4285f60 r6:00000017 r5:c44e6000 r4:c4284000 <4>[ 359.308748] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 359.318676] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 359.329126] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 359.338611] r4:00000036 <4>[ 359.341417] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 359.349699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 359.357886] r9:c4285f60 r8:c3022c00 r7:00000017 r6:b6dbd000 r5:c606c500 r4:c0c599ac <4>[ 359.365906] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 359.374006] r9:c07e2978 r8:c4285f60 r7:c290d000 r6:b6dbd000 r5:c606c500 r4:00000000 <4>[ 359.382020] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 359.389427] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c4284000 r5:c606c500 <4>[ 359.397521] r4:c606c500 <4>[ 359.400327] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 359.407733] r9:c4284000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 359.415749] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 359.423585] Exception stack(0xc4285fa8 to 0xc4285ff0) <4>[ 359.428910] 5fa0: 00000017 00000017 00000001 b6dbd000 00000017 00000001 <4>[ 359.437356] 5fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dbd000 00020000 004cfe38 <4>[ 359.445800] 5fe0: 00000004 bed5d7e8 b6e8333b b6dfc616 <4>[ 359.451162] irq event stamp: 0 <4>[ 359.454496] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 359.460373] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 359.468137] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 359.475947] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 359.481851] ---[ end trace 1286819e0a8ce1de ]--- <6>[ 359.486752] lkdtm: Saturation detected: still saturated # [ 359.138522] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 359.145340] lkdtm: attempting bad refcount_dec() from saturated # [ 359.153653] ------------[ cut here ]------------ # [ 359.161440] WARNING: CPU: 3 PID: 3056 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 359.172943] refcount_t: decrement hit 0; leaking memory. # [ 359.181371] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 359.216385] CPU: 3 PID: 3056 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 359.227210] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 359.235820] Backtrace: # [ 359.240711] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 359.249050] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 359.254983] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 359.262568] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 359.269799] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b160 # [ 359.277814] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 359.285566] r7:0000001f r6:c1a2b160 r5:c1a2b1c4 r4:c4284000 # [ 359.291500] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 359.300729] r9:c1ad7330 r8:c15ec020 r7:c4285f60 r6:00000017 r5:c44e6000 r4:c4284000 # [ 359.308748] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 359.318676] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 359.329126] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 359.338611] r4:00000036 # [ 359.341417] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 359.349699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 359.357886] r9:c4285f60 r8:c3022c00 r7:00000017 r6:b6dbd000 r5:c606c500 r4:c0c599ac # [ 359.365906] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 359.374006] r9:c07e2978 r8:c4285f60 r7:c290d000 r6:b6dbd000 r5:c606c500 r4:00000000 # [ 359.382020] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 359.389427] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c4284000 r5:c606c500 # [ 359.397521] r4:c606c500 # [ 359.400327] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 359.407733] r9:c4284000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 359.415749] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 359.423585] Exception stack(0xc4285fa8 to 0xc4285ff0) # [ 359.428910] 5fa0: 00000017 00000017 00000001 b6dbd000 00000017 00000001 # [ 359.437356] 5fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dbd000 00020000 004cfe38 # [ 359.445800] 5fe0: 00000004 bed5d7e8 b6e8333b b6dfc616 # [ 359.451162] irq event stamp: 0 # [ 359.454496] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 359.460373] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 359.468137] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 359.475947] softirqs last disabled at (0): [<00000000>] 0x0 # [ 359.481851] ---[ end trace 1286819e0a8ce1de ]--- # [ 359.486752] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_D<6>[ 359.924837] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED EC_SATURATED.sh # selftests: lkd<6>[ 359.933634] lkdtm: attempting bad refcount_dec() from saturated tm: REFCOUNT_ADD_SATURATED.sh <4>[ 359.942671] ------------[ cut here ]------------ <4>[ 359.950309] WARNING: CPU: 0 PID: 3092 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 359.960026] refcount_t: saturated; leaking memory. <4>[ 359.965093] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 359.997600] CPU: 0 PID: 3092 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 360.005613] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 360.012407] Backtrace: <4>[ 360.015140] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 360.022983] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 360.028916] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 360.036500] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 360.043733] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 <4>[ 360.051748] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 360.059501] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c4284000 <4>[ 360.065435] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 360.074664] r9:c1ad7348 r8:c15ec020 r7:c4285f60 r6:00000017 r5:c44e5000 r4:c4284000 <4>[ 360.082685] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 360.092617] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 360.103065] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 360.112550] r4:00000037 <4>[ 360.115357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 360.123638] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 360.131826] r9:c4285f60 r8:c3022c00 r7:00000017 r6:b6e52000 r5:c6103b80 r4:c0c599ac <4>[ 360.139847] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 360.147946] r9:c07e2978 r8:c4285f60 r7:c290d000 r6:b6e52000 r5:c6103b80 r4:00000000 <4>[ 360.155961] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 360.163367] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c4284000 r5:c6103b80 <4>[ 360.171462] r4:c6103b80 <4>[ 360.174267] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 360.181674] r9:c4284000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 360.189689] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 360.197525] Exception stack(0xc4285fa8 to 0xc4285ff0) <4>[ 360.202845] 5fa0: 00000017 00000017 00000001 b6e52000 00000017 00000001 <4>[ 360.211294] 5fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e52000 00020000 004dfe38 <4>[ 360.219738] 5fe0: 00000004 be8597e8 b6f1833b b6e91616 <4>[ 360.225083] irq event stamp: 0 <4>[ 360.228414] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 360.234284] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 360.242063] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 360.249838] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 360.255682] ---[ end trace 1286819e0a8ce1df ]--- <6>[ 360.260592] lkdtm: Saturation detected: still saturated # [ 359.924837] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 359.933634] lkdtm: attempting bad refcount_dec() from saturated # [ 359.942671] ------------[ cut here ]------------ # [ 359.950309] WARNING: CPU: 0 PID: 3092 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 359.960026] refcount_t: saturated; leaking memory. # [ 359.965093] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 359.997600] CPU: 0 PID: 3092 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 360.005613] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 360.012407] Backtrace: # [ 360.015140] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 360.022983] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 360.028916] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 360.036500] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 360.043733] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b160 # [ 360.051748] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 360.059501] r7:00000016 r6:c1a2b160 r5:c1a2b138 r4:c4284000 # [ 360.065435] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 360.074664] r9:c1ad7348 r8:c15ec020 r7:c4285f60 r6:00000017 r5:c44e5000 r4:c4284000 # [ 360.082685] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 360.092617] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 360.103065] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 360.112550] r4:00000037 # [ 360.115357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 360.123638] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 360.131826] r9:c4285f60 r8:c3022c00 r7:00000017 r6:b6e52000 r5:c6103b80 r4:c0c599ac # [ 360.139847] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 360.147946] r9:c07e2978 r8:c4285f60 r7:c290d000 r6:b6e52000 r5:c6103b80 r4:00000000 # [ 360.155961] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 360.163367] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c4284000 r5:c6103b80 # [ 360.171462] r4:c6103b80 # [ 360.174267] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 360.181674] r9:c4284000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 360.189689] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 360.197525] Exception stack(0xc4285fa8 to 0xc4285ff0) # [ 360.202845] 5fa0: 00000017 00000017 00000001 b6e52000 00000017 00000001 # [ 360.211294] 5fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e52000 00020000 004dfe38 # [ 360.219738] 5fe0: 00000004 be8597e8 b6f1833b b6e91616 # [ 360.225083] irq event stamp: 0 # [ 360.228414] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 360.234284] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 360.242063] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 360.249838] softirqs last disabled at (0): [<00000000>] 0x0 # [ 360.255682] ---[ end trace 1286819e0a8ce1df ]--- # [ 360.260592] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: <6>[ 360.695081] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED still saturated': ok ok 54 selft<6>[ 360.704585] lkdtm: attempting bad refcount_inc_not_zero() from saturated ests: lkdtm: REFCOUNT_ADD_SATURAT<4>[ 360.714505] ------------[ cut here ]------------ ED.sh # selftests: lkdtm: REFCOU<4>[ 360.722203] WARNING: CPU: 2 PID: 3125 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 NT_INC_NOT_ZERO_SATURATED.sh <4>[ 360.733696] refcount_t: saturated; leaking memory. <4>[ 360.741330] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 360.773832] CPU: 2 PID: 3125 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 360.781844] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 360.788637] Backtrace: <4>[ 360.791369] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 360.799211] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 360.805143] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 360.812730] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 360.819963] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 <4>[ 360.827978] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 360.835730] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c5abe000 <4>[ 360.841664] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 360.850893] r9:c1ad7360 r8:c15ec020 r7:c5abff60 r6:00000020 r5:c63d7000 r4:c0000000 <4>[ 360.858913] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 360.869623] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 360.881626] r5:c63d7000 r4:c5abe000 <4>[ 360.885480] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 360.895744] r4:00000038 <4>[ 360.898552] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 360.906833] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 360.915020] r9:c5abff60 r8:c3022c00 r7:00000020 r6:b6df8000 r5:c606d180 r4:c0c599ac <4>[ 360.923040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 360.931142] r9:c07e2978 r8:c5abff60 r7:c290d000 r6:b6df8000 r5:c606d180 r4:00000000 <4>[ 360.939156] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 360.946562] r10:00000004 r9:00000000 r8:00000000 r7:b6df8000 r6:c5abe000 r5:c606d180 <4>[ 360.954656] r4:c606d180 <4>[ 360.957462] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 360.964867] r9:c5abe000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 360.972882] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 360.980718] Exception stack(0xc5abffa8 to 0xc5abfff0) <4>[ 360.986041] ffa0: 00000020 00000020 00000001 b6df8000 00000020 00000001 <4>[ 360.994490] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6df8000 00020000 004cfe38 <4>[ 361.002935] ffe0: 00000004 be8747e8 b6ebe33b b6e37616 <4>[ 361.008321] irq event stamp: 0 <4>[ 361.011681] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 361.017532] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 361.025354] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 361.033166] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 361.039046] ---[ end trace 1286819e0a8ce1e0 ]--- <6>[ 361.043938] lkdtm: Saturation detected: still saturated # [ 360.695081] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 360.704585] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 360.714505] ------------[ cut here ]------------ # [ 360.722203] WARNING: CPU: 2 PID: 3125 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 360.733696] refcount_t: saturated; leaking memory. # [ 360.741330] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 360.773832] CPU: 2 PID: 3125 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 360.781844] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 360.788637] Backtrace: # [ 360.791369] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 360.799211] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 360.805143] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 360.812730] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 360.819963] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 # [ 360.827978] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 360.835730] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c5abe000 # [ 360.841664] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 360.850893] r9:c1ad7360 r8:c15ec020 r7:c5abff60 r6:00000020 r5:c63d7000 r4:c0000000 # [ 360.858913] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 360.869623] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 360.881626] r5:c63d7000 r4:c5abe000 # [ 360.885480] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 360.895744] r4:00000038 # [ 360.898552] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 360.906833] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 360.915020] r9:c5abff60 r8:c3022c00 r7:00000020 r6:b6df8000 r5:c606d180 r4:c0c599ac # [ 360.923040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 360.931142] r9:c07e2978 r8:c5abff60 r7:c290d000 r6:b6df8000 r5:c606d180 r4:00000000 # [ 360.939156] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 360.946562] r10:00000004 r9:00000000 r8:00000000 r7:b6df8000 r6:c5abe000 r5:c606d180 # [ 360.954656] r4:c606d180 # [ 360.957462] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 360.964867] r9:c5abe000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 360.972882] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 360.980718] Exception stack(0xc5abffa8 to 0xc5abfff0) # [ 360.986041] ffa0: 00000020 00000020 00000001 b6df8000 00000020 00000001 # [ 360.994490] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6df8000 00020000 004cfe38 # [ 361.002935] ffe0: 00000004 be8747e8 b6ebe33b b6e37616 # [ 361.008321] irq event stamp: 0 # [ 361.011681] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 361.017532] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 361.025354] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 361.033166] softirqs last disabled at (0): [<00000000>] 0x0 # [ 361.039046] ---[ end trace 1286819e0a8ce1e0 ]--- # [ 361.043938] lkdtm: Saturation detected: sti<6>[ 361.480690] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ll saturated # REFCOUNT_INC_NOT_<6>[ 361.489642] lkdtm: attempting bad refcount_add_not_zero() from saturated ZERO_SATURATED: missing 'call tra<4>[ 361.499440] ------------[ cut here ]------------ ce:': [FAIL] not ok 55 selftests<4>[ 361.507159] WARNING: CPU: 3 PID: 3160 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 : lkdtm: REFCOUNT_INC_NOT_ZERO_SA<4>[ 361.518869] refcount_t: saturated; leaking memory. TURATED.sh # exit=1 # selftests:<4>[ 361.526628] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 lkdtm: REFCOUNT_ADD_NOT_ZERO_SAT<4>[ 361.561663] CPU: 3 PID: 3160 Comm: cat Tainted: G D W 5.10.218-cip49 #1 URATED.sh < 4>[ 361.572485] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 361.580228] Backtrace: <4>[ 361.582960] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 361.590802] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 361.596734] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 361.604320] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 361.611554] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b160 <4>[ 361.619569] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 361.627319] r7:00000013 r6:c1a2b160 r5:c1a2b138 r4:c6198000 <4>[ 361.633250] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 361.642479] r9:c1ad7380 r8:c15ec020 r7:c6199f60 r6:00000020 r5:c5f73000 r4:c0000000 <4>[ 361.650498] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 361.661208] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 361.673211] r5:c5f73000 r4:c6198000 <4>[ 361.677065] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 361.687330] r4:00000039 <4>[ 361.690135] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 361.698417] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 361.706604] r9:c6199f60 r8:c3022c00 r7:00000020 r6:b6e5b000 r5:c6228c80 r4:c0c599ac <4>[ 361.714623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 361.722723] r9:c07e2978 r8:c6199f60 r7:c290d000 r6:b6e5b000 r5:c6228c80 r4:00000000 <4>[ 361.730738] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 361.738142] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6198000 r5:c6228c80 <4>[ 361.746236] r4:c6228c80 <4>[ 361.749041] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 361.756447] r9:c6198000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 361.764462] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 361.772298] Exception stack(0xc6199fa8 to 0xc6199ff0) <4>[ 361.777621] 9fa0: 00000020 00000020 00000001 b6e5b000 00000020 00000001 <4>[ 361.786070] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e5b000 00020000 0042fe38 <4>[ 361.794514] 9fe0: 00000004 beaa37e8 b6f2133b b6e9a616 <4>[ 361.799882] irq event stamp: 0 <4>[ 361.803214] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 361.809085] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 361.816843] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 361.824634] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 361.830533] ---[ end trace 1286819e0a8ce1e1 ]--- <6>[ 361.835426] lkdtm: Saturation detected: still saturated <3>[ 387.858439] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 387.864302] rcu: 0-....: (1 GPs behind) idle=286/1/0x40000004 softirq=7002/7003 fqs=995 <4>[ 387.872748] (t=2602 jiffies g=8081 q=75) <4>[ 387.877025] NMI backtrace for cpu 0 <4>[ 387.880787] CPU: 0 PID: 2685 Comm: systemd-journal Tainted: G D W 5.10.218-cip49 #1 <4>[ 387.889838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 387.896631] Backtrace: <4>[ 387.899367] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 387.907208] r7:ffffffff r6:600e0193 r5:00000000 r4:c1f1d058 <4>[ 387.913141] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 387.920728] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 387.928827] r9:c19df050 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 387.936843] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 387.946764] r5:c1e16800 r4:c03115d8 <4>[ 387.950619] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 387.961498] r9:c19df050 r8:c206a7d8 r7:c1e15d9c r6:c1ea9480 r5:c1ea9480 r4:00000000 <4>[ 387.969513] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 387.979704] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 387.989020] r10:c1e16560 r9:c1daf480 r8:c206bac0 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 387.997114] r4:c1ea9480 <4>[ 387.999926] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 388.009068] r10:c42ac000 r9:ef786a20 r8:ef7869c0 r7:4da968e7 r6:c42adc00 r5:c42ac000 <4>[ 388.017162] r4:00000000 <4>[ 388.019972] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 388.028936] r5:0000005a r4:ef786f68 <4>[ 388.032781] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 388.041403] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 388.050458] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 388.058473] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 388.067616] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:4da963b2 r6:0000005a r5:600e0193 <4>[ 388.075710] r4:ef7869c0 <4>[ 388.078517] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 388.086704] r10:c42ac000 r9:c42adc00 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 388.094798] r4:00000001 <4>[ 388.097610] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 388.106401] r5:c2973700 r4:c295b400 <4>[ 388.110249] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 388.119651] r9:c42adc00 r8:c2900400 r7:00000001 r6:c42add38 r5:00000000 r4:c1dad49c <4>[ 388.127667] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 388.136288] r9:c42adc00 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 388.144300] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 388.152049] Exception stack(0xc42adc00 to 0xc42adc48) <4>[ 388.157372] dc00: c0301f14 ffffe000 00000000 c42ac000 c42adc50 00000000 00000000 00000001 <4>[ 388.165822] dc20: c2900400 00000002 c42ac000 c42adcbc c42adc28 c42adc50 c0478294 c0301f18 <4>[ 388.174263] dc40: 600e0113 ffffffff <4>[ 388.178022] r9:c42ac000 r8:c2900400 r7:c42adc34 r6:ffffffff r5:600e0113 r4:c0301f18 <4>[ 388.186038] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 388.194225] r10:00000000 r9:c42add38 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 388.202319] r4:ffffe000 <4>[ 388.205124] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 388.212786] r5:00000000 r4:c1dad49c <4>[ 388.216631] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 388.224732] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 388.233353] r9:c42add38 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1d9c4 r4:c1e16880 <4>[ 388.241366] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 388.249114] Exception stack(0xc42add38 to 0xc42add80) <4>[ 388.254435] dd20: c42ade60 2d9df000 <4>[ 388.262881] dd40: c4695e80 00001041 c42ade60 c6345b00 c05ab4dc c05aed40 00000040 c42ade60 <4>[ 388.271328] dd60: 00000000 c42addcc c42addd0 c42add88 c05ab4dc c05ab240 000e0013 ffffffff <4>[ 388.279774] r9:c42ac000 r8:00000040 r7:c42add6c r6:ffffffff r5:000e0013 r4:c05ab240 <4>[ 388.287793] [] (set_root) from [] (nd_jump_root+0xcc/0x100) <4>[ 388.295372] r10:00000021 r9:c42ade60 r8:00000040 r7:c05aed40 r6:c411e010 r5:00000041 <4>[ 388.303466] r4:c42ade60 <4>[ 388.306272] [] (nd_jump_root) from [] (path_init+0x524/0x6f0) <4>[ 388.314020] r5:00000041 r4:c42ade60 <4>[ 388.317871] [] (path_init) from [] (path_lookupat+0x28/0x1bc) <4>[ 388.325627] r10:00000021 r9:c42ade60 r8:c42adf5c r7:00000041 r6:c42adf5c r5:c42ade60 <4>[ 388.333720] r4:00000001 <4>[ 388.336526] [] (path_lookupat) from [] (filename_lookup+0xbc/0x164) <4>[ 388.344798] r7:00000001 r6:c42ac000 r5:c411e000 r4:00000001 <4>[ 388.350726] [] (filename_lookup) from [] (user_path_at_empty+0x54/0x5c) <4>[ 388.359345] r9:fffff000 r8:c43d6900 r7:bea7f210 r6:c42adf5c r5:ffffff9c r4:00000001 <4>[ 388.367361] [] (user_path_at_empty) from [] (do_faccessat+0x94/0x274) <4>[ 388.375804] r6:ffffff9c r5:00000000 r4:00000001 <4>[ 388.380694] [] (do_faccessat) from [] (sys_access+0x28/0x2c) <4>[ 388.388359] r10:00000021 r9:c42ac000 r8:c03002e4 r7:00000021 r6:004cfe58 r5:bea7f210 <4>[ 388.396452] r4:bea7f22c <4>[ 388.399258] [] (sys_access) from [] (__sys_trace_return+0x0/0x10) <4>[ 388.407352] Exception stack(0xc42adfa8 to 0xc42adff0) <4>[ 388.412673] dfa0: bea7f22c bea7f210 bea7f210 00000000 bea7f224 00000000 <4>[ 388.421119] dfc0: bea7f22c bea7f210 004cfe58 00000021 00000000 bea7f258 bea7f298 bea7f460 <4>[ 388.429563] dfe0: 00000021 bea7f204 b6ccf4bb b6c48616 # not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # TIMEOUT 45 seconds # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 406.604611] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 406.611839] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 406.618857] ------------[ cut here ]------------ <4>[ 406.623763] WARNING: CPU: 2 PID: 3194 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 406.632608] refcount_t: underflow; use-after-free. <4>[ 406.637671] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 406.670169] CPU: 2 PID: 3194 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 406.678179] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 406.684973] Backtrace: <4>[ 406.687704] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 406.695546] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 406.701480] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 406.709067] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 406.716300] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 <4>[ 406.724315] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 406.732067] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c2d5e000 <4>[ 406.737998] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 406.747316] r9:c1ad73a0 r8:c15ec020 r7:c2d5ff60 r6:00000020 r5:c63d7000 r4:c2d5e000 <4>[ 406.755337] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 406.766050] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 406.778060] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 406.788325] r4:0000003a <4>[ 406.791132] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 406.799413] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 406.807599] r9:c2d5ff60 r8:c3022c00 r7:00000020 r6:b6e1f000 r5:c606c640 r4:c0c599ac <4>[ 406.815620] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 406.823719] r9:c07e2978 r8:c2d5ff60 r7:c290d000 r6:b6e1f000 r5:c606c640 r4:00000000 <4>[ 406.831734] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 406.839139] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c2d5e000 r5:c606c640 <4>[ 406.847234] r4:c606c640 <4>[ 406.850039] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 406.857445] r9:c2d5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 406.865460] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 406.873295] Exception stack(0xc2d5ffa8 to 0xc2d5fff0) <4>[ 406.878619] ffa0: 00000020 00000020 00000001 b6e1f000 00000020 00000001 <4>[ 406.887068] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6e1f000 00020000 0041fe38 <4>[ 406.895511] ffe0: 00000004 be9b97e8 b6ee533b b6e5e616 <4>[ 406.900901] irq event stamp: 0 <4>[ 406.904234] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 406.910120] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 406.917900] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 406.925732] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 406.931621] ---[ end trace 1286819e0a8ce1e2 ]--- <6>[ 406.936514] lkdtm: Saturation detected: still saturated # [ 406.604611] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 406.611839] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 406.618857] ------------[ cut here ]------------ # [ 406.623763] WARNING: CPU: 2 PID: 3194 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 406.632608] refcount_t: underflow; use-after-free. # [ 406.637671] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 406.670169] CPU: 2 PID: 3194 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 406.678179] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 406.684973] Backtrace: # [ 406.687704] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 406.695546] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 406.701480] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 406.709067] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 406.716300] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 # [ 406.724315] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 406.732067] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c2d5e000 # [ 406.737998] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 406.747316] r9:c1ad73a0 r8:c15ec020 r7:c2d5ff60 r6:00000020 r5:c63d7000 r4:c2d5e000 # [ 406.755337] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 406.766050] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 406.778060] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 406.788325] r4:0000003a # [ 406.791132] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 406.799413] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 406.807599] r9:c2d5ff60 r8:c3022c00 r7:00000020 r6:b6e1f000 r5:c606c640 r4:c0c599ac # [ 406.815620] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 406.823719] r9:c07e2978 r8:c2d5ff60 r7:c290d000 r6:b6e1f000 r5:c606c640 r4:00000000 # [ 406.831734] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 406.839139] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c2d5e000 r5:c606c640 # [ 406.847234] r4:c606c640 # [ 406.850039] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 406.857445] r9:c2d5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 406.865460] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 406.873295] Exception stack(0xc2d5ffa8 to 0xc2d5fff0) # [ 406.878619] ffa0: 00000020 00000020 00000001 b6e1f000 00000020 00000001 # [ 406.887068] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6e1f000 00020000 0041fe38 # [ 406.895511] ffe0: 00000004 be9b97e8 b6ee533b b6e5e616 # [ 406.900901] irq event stamp: 0 # [ 406.904234] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 406.910120] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 406.917900] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 406.925732] softirqs last disabled at (0): [<00000000>] 0x0 # [ 406.931621] ---[ end trace 1286819e0a8ce1e2 ]--- # [ 406.936514] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 407.390681] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 407.397837] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 407.405010] ------------[ cut here ]------------ <4>[ 407.409993] WARNING: CPU: 2 PID: 3230 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 407.418916] refcount_t: underflow; use-after-free. <4>[ 407.424006] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 407.456508] CPU: 2 PID: 3230 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 407.464521] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 407.471316] Backtrace: <4>[ 407.474048] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 407.481889] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 407.487822] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 407.495407] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 407.502639] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 <4>[ 407.510654] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 407.518406] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c6198000 <4>[ 407.524341] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 407.533657] r9:c1ad73c0 r8:c15ec020 r7:c6199f60 r6:00000020 r5:c63d7000 r4:c6198000 <4>[ 407.541679] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 407.552393] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 407.564404] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 407.574670] r4:0000003b <4>[ 407.577475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 407.585757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 407.593945] r9:c6199f60 r8:c3022c00 r7:00000020 r6:b6ea1000 r5:c606de00 r4:c0c599ac <4>[ 407.601966] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 407.610066] r9:c07e2978 r8:c6199f60 r7:c290d000 r6:b6ea1000 r5:c606de00 r4:00000000 <4>[ 407.618080] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 407.625484] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6198000 r5:c606de00 <4>[ 407.633578] r4:c606de00 <4>[ 407.636384] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 407.643790] r9:c6198000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 407.651806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 407.659642] Exception stack(0xc6199fa8 to 0xc6199ff0) <4>[ 407.664965] 9fa0: 00000020 00000020 00000001 b6ea1000 00000020 00000001 <4>[ 407.673412] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6ea1000 00020000 0045fe38 <4>[ 407.681855] 9fe0: 00000004 bea507e8 b6f6733b b6ee0616 <4>[ 407.687243] irq event stamp: 0 <4>[ 407.690604] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 407.696456] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 407.704295] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 407.712121] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 407.717977] ---[ end trace 1286819e0a8ce1e3 ]--- <6>[ 407.722908] lkdtm: Saturation detected: still saturated # [ 407.390681] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 407.397837] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 407.405010] ------------[ cut here ]------------ # [ 407.409993] WARNING: CPU: 2 PID: 3230 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 407.418916] refcount_t: underflow; use-after-free. # [ 407.424006] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan parallel_display dw_hdmi_imx dw_hdmi can_dev imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 407.456508] CPU: 2 PID: 3230 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 407.464521] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 407.471316] Backtrace: # [ 407.474048] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 407.481889] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 407.487822] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 407.495407] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 407.502639] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2b160 # [ 407.510654] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 407.518406] r7:0000001c r6:c1a2b160 r5:c1a2b19c r4:c6198000 # [ 407.524341] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 407.533657] r9:c1ad73c0 r8:c15ec020 r7:c6199f60 r6:00000020 r5:c63d7000 r4:c6198000 # [ 407.541679] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 407.552393] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 407.564404] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 407.574670] r4:0000003b # [ 407.577475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 407.585757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 407.593945] r9:c6199f60 r8:c3022c00 r7:00000020 r6:b6ea1000 r5:c606de00 r4:c0c599ac # [ 407.601966] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 407.610066] r9:c07e2978 r8:c6199f60 r7:c290d000 r6:b6ea1000 r5:c606de00 r4:00000000 # [ 407.618080] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 407.625484] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6198000 r5:c606de00 # [ 407.633578] r4:c606de00 # [ 407.636384] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 407.643790] r9:c6198000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 407.651806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 407.659642] Exception stack(0xc6199fa8 to 0xc6199ff0) # [ 407.664965] 9fa0: 00000020 00000020 00000001 b6ea1000 00000020 00000001 # [ 407.673412] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6ea1000 00020000 0045fe38 # [ 407.681855] 9fe0: 00000004 bea507e8 b6f6733b b6ee0616 # [ 407.687243] irq event stamp: 0 # [ 407.690604] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 407.696456] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 407.704295] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 407.712121] softirqs last disabled at (0): [<00000000>] 0x0 # [ 407.717977] ---[ end trace 1286819e0a8ce1e3 ]--- # [ 407.722908] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 408.549247] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 408.555558] lkdtm: attempting good copy_to_user of correct size <6>[ 408.561869] lkdtm: attempting bad copy_to_user of too large size # [ 408.549247] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 408.555558] lkdtm: attempting good copy_to_user of correct size # [ 408.561869] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 408.984252] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 408.990813] lkdtm: attempting good copy_from_user of correct size <6>[ 408.997207] lkdtm: attempting bad copy_from_user of too large size # [ 408.984252] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 408.990813] lkdtm: attempting good copy_from_user of correct size # [ 408.997207] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 409.416094] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 409.423007] lkdtm: attempting good copy_to_user inside whitelist <6>[ 409.429416] lkdtm: attempting bad copy_to_user outside whitelist # [ 409.416094] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 409.423007] lkdtm: attempting good copy_to_user inside whitelist # [ 409.429416] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 409.857120] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 409.864215] lkdtm: attempting good copy_from_user inside whitelist <6>[ 409.870780] lkdtm: attempting bad copy_from_user outside whitelist # [ 409.857120] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 409.864215] lkdtm: attempting good copy_from_user inside whitelist # [ 409.870780] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 410.302108] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 410.308626] lkdtm: good_stack: c6199e0c-c6199e2c <6>[ 410.313523] lkdtm: bad_stack : c6199d84-c6199da4 <6>[ 410.318470] lkdtm: attempting good copy_to_user of local stack <6>[ 410.324692] lkdtm: attempting bad copy_to_user of distant stack # [ 410.302108] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 410.308626] lkdtm: good_stack: c6199e0c-c6199e2c # [ 410.313523] lkdtm: bad_stack : c6199d84-c6199da4 # [ 410.318470] lkdtm: attempting good copy_to_user of local stack # [ 410.324692] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 410.741886] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 410.748583] lkdtm: good_stack: c5abfe0c-c5abfe2c <6>[ 410.753473] lkdtm: bad_stack : c5abfd84-c5abfda4 <6>[ 410.758371] lkdtm: attempting good copy_from_user of local stack <6>[ 410.764715] lkdtm: attempting bad copy_from_user of distant stack # [ 410.741886] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 410.748583] lkdtm: good_stack: c5abfe0c-c5abfe2c # [ 410.753473] lkdtm: bad_stack : c5abfd84-c5abfda4 # [ 410.758371] lkdtm: attempting good copy_from_user of local stack # [ 410.764715] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 411.184634] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 411.191086] lkdtm: good_stack: c435fe0c-c435fe2c <6>[ 411.196009] lkdtm: bad_stack : c435fffc-c436001c <6>[ 411.200969] lkdtm: attempting good copy_to_user of local stack <6>[ 411.207119] lkdtm: attempting bad copy_to_user of distant stack # [ 411.184634] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 411.191086] lkdtm: good_stack: c435fe0c-c435fe2c # [ 411.196009] lkdtm: bad_stack : c435fffc-c436001c # [ 411.200969] lkdtm: attempting good copy_to_user of local stack # [ 411.207119] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 411.630683] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 411.636470] lkdtm: attempting good copy_to_user from kernel rodata: c15ec2cc <6>[ 411.643908] lkdtm: attempting bad copy_to_user from kernel text: c053e244 <3>[ 411.651050] lkdtm: FAIL: survived bad copy_to_user() # [ 411.630683] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 411.636470] lkdtm: attempting good copy_to_user from kernel rodata: c15ec2cc # [ 411.643908] lkdtm: attempting bad copy_to_user from kernel text: c053e244 # [ 411.651050] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 412.077353] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 412.083442] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 412.090785] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 412.097935] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 412.104299] CPU: 1 PID: 3607 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 412.112315] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 412.119111] Backtrace: <4>[ 412.121852] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 412.129698] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 412.135636] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 412.143228] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 412.152028] r9:c1ad74c8 r8:c15ec020 r7:c47bbf60 r6:c47bbe34 r5:c47ba000 r4:0000078d <4>[ 412.160053] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 412.169113] r8:c15ec020 r7:c47bbf60 r6:00000012 r5:c44d3000 r4:00000046 <4>[ 412.176092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 412.184378] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 412.192571] r9:c47bbf60 r8:c3022c00 r7:00000012 r6:b6dcd000 r5:c4324f00 r4:c0c599ac <4>[ 412.200596] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 412.208700] r9:c07e2978 r8:c47bbf60 r7:c290d000 r6:b6dcd000 r5:c4324f00 r4:00000000 <4>[ 412.216718] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 412.224128] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c47ba000 r5:c4324f00 <4>[ 412.232225] r4:c4324f00 <4>[ 412.235034] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 412.242444] r9:c47ba000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 412.250465] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 412.258304] Exception stack(0xc47bbfa8 to 0xc47bbff0) <4>[ 412.263631] bfa0: 00000012 00000012 00000001 b6dcd000 00000012 00000001 <4>[ 412.272081] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dcd000 00020000 0046fe38 <4>[ 412.280530] bfe0: 00000004 beb007e8 b6e9333b b6e0c616 # [ 412.077353] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 412.083442] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 412.090785] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 412.097935] lkdtm: FAIL: the thread stack is NOT properly erased # [ 412.104299] CPU: 1 PID: 3607 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 412.112315] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 412.119111] Backtrace: # [ 412.121852] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 412.129698] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 412.135636] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 412.143228] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 412.152028] r9:c1ad74c8 r8:c15ec020 r7:c47bbf60 r6:c47bbe34 r5:c47ba000 r4:0000078d # [ 412.160053] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 412.169113] r8:c15ec020 r7:c47bbf60 r6:00000012 r5:c44d3000 r4:00000046 # [ 412.176092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 412.184378] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 412.192571] r9:c47bbf60 r8:c3022c00 r7:00000012 r6:b6dcd000 r5:c4324f00 r4:c0c599ac # [ 412.200596] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 412.208700] r9:c07e2978 r8:c47bbf60 r7:c290d000 r6:b6dcd000 r5:c4324f00 r4:00000000 # [ 412.216718] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 412.224128] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c47ba000 r5:c4324f00 # [ 412.232225] r4:c4324f00 # [ 412.235034] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 412.242444] r9:c47ba000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 412.250465] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 412.258304] Exception stack(0xc47bbfa8 to 0xc47bbff0) # [ 412.263631] bfa0: 00000012 00000012 00000001 b6dcd000 00000012 00000001 # [ 412.272081] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dcd000 00020000 0046fe38 # [ 412.280530] bfe0: 00000004 beb007e8 b6e9333b b6e0c616 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 412.707949] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 412.713950] lkdtm: Calling matched prototype ... <6>[ 412.718897] lkdtm: Calling mismatched prototype ... <6>[ 412.724048] lkdtm: Fail: survived mismatched prototype function call! # [ 412.707949] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 412.713950] lkdtm: Calling matched prototype ... # [ 412.718897] lkdtm: Calling mismatched prototype ... # [ 412.724048] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #