[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 192.168.201.11 (9 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 14531253/tftp-deploy-vgdo74xb/kernel/zImage tftp 0x10000000 14531253/tftp-deploy-vgdo74xb/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '14531253/tftp-deploy-vgdo74xb/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 4.7 MiB/s done Bytes transferred = 12554752 (bf9200 hex) => tftp 0x14000000 14531253/tftp-deploy-vgdo74xb/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 14531253/tftp-deploy-vgdo74xb/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '14531253/tftp-deploy-vgdo74xb/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################################################## 4.9 MiB/s done Bytes transferred = 16107366 (f5c766 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 14531253/tftp-deploy-vgdo74xb/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 14531253/tftp-deploy-vgdo74xb/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '14531253/tftp-deploy-vgdo74xb/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.5 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/14531253/extract-nfsrootfs-9_dn__3d,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/14531253/extract-nfsrootfs-9_dn__3d,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: 16107302 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-j242704-arm-gcc-10-multi-v7-defconfig-kselftest-mdsxj) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 24 06:58:37 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/14531253/extract-nfsrootfs-9_dn__3d,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 56155 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>[ 0.008444] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022936] Console: colour dummy device 80x30 <4>[ 0.024840] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032851] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037193] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041605] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046239] ... CLASSHASH_SIZE: 4096 <4>[ 0.050827] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055549] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060223] ... CHAINHASH_SIZE: 32768 <4>[ 0.064921] memory used by lock dependency info: 4061 kB <4>[ 0.070599] memory used for stack traces: 2112 kB <4>[ 0.075645] per task-struct memory footprint: 1536 bytes <6>[ 0.081336] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091749] CPU: Testing write buffer coherency: ok <6>[ 0.096886] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102161] pid_max: default: 32768 minimum: 301 <6>[ 0.107361] LSM: Security Framework initializing <6>[ 0.111981] LSM support for eBPF active <6>[ 0.116133] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123579] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135040] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141602] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147965] rcu: Hierarchical SRCU implementation. <6>[ 0.159360] EFI services will not be available. <6>[ 0.162429] smp: Bringing up secondary CPUs ... <6>[ 0.168939] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168955] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180715] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180730] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192162] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192178] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201208] smp: Brought up 1 node, 4 CPUs <6>[ 0.204923] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211460] CPU: All CPU(s) started in SVC mode. <6>[ 0.218684] devtmpfs: initialized <6>[ 0.267004] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274480] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282358] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.294070] pinctrl core: initialized pinctrl subsystem <6>[ 0.303060] DMI not present or invalid. <6>[ 0.306512] NET: Registered protocol family 16 <6>[ 0.318550] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.331306] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.331803] cpuidle: using governor menu <6>[ 0.339927] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.975961] vdd1p1: supplied by regulator-dummy <6>[ 1.004791] vdd3p0: supplied by regulator-dummy <6>[ 1.033242] vdd2p5: supplied by regulator-dummy <6>[ 1.061749] vddarm: supplied by regulator-dummy <6>[ 1.090957] vddpu: supplied by regulator-dummy <6>[ 1.118575] vddsoc: supplied by regulator-dummy <6>[ 2.251423] No ATAGs? <6>[ 2.252272] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.259458] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.281970] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.310924] Serial: AMBA PL011 UART driver <6>[ 2.367769] Kprobes globally optimized <6>[ 2.470208] iommu: Default domain type: Translated <6>[ 2.474646] vgaarb: loaded <5>[ 2.479711] SCSI subsystem initialized <6>[ 2.483124] usbcore: registered new interface driver usbfs <6>[ 2.486926] usbcore: registered new interface driver hub <6>[ 2.492393] usbcore: registered new device driver usb <6>[ 2.504150] i2c i2c-0: IMX I2C adapter registered <6>[ 2.512395] i2c i2c-1: IMX I2C adapter registered <6>[ 2.518530] i2c i2c-2: IMX I2C adapter registered <6>[ 2.524637] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.527088] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.536534] PTP clock support registered <6>[ 2.555270] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.312204] NET: Registered protocol family 2 <6>[ 4.314714] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.325366] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.331381] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.339493] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.348351] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.354432] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.361375] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.368142] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.375921] NET: Registered protocol family 1 <6>[ 4.382265] RPC: Registered named UNIX socket transport module. <6>[ 4.386074] RPC: Registered udp transport module. <6>[ 4.390927] RPC: Registered tcp transport module. <6>[ 4.395971] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.402620] NET: Registered protocol family 44 <6>[ 4.407366] PCI: CLS 0 bytes, default 64 <6>[ 4.413718] Trying to unpack rootfs image as initramfs... <6>[ 6.245394] Freeing initrd memory: 15732K <4>[ 6.247844] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.255591] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.270631] Initialise system trusted keyrings <6>[ 6.273421] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.321706] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.328323] NFS: Registering the id_resolver key type <5>[ 6.330972] Key type id_resolver registered <5>[ 6.335307] Key type id_legacy registered <6>[ 6.340006] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.346588] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.354285] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.360631] Key type asymmetric registered <5>[ 6.363166] Asymmetric key parser 'x509' registered <6>[ 6.368601] bounce: pool size: 64 pages <6>[ 6.372418] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.380084] io scheduler mq-deadline registered <6>[ 6.384752] io scheduler kyber registered <4>[ 6.389886] test_firmware: interface ready <6>[ 6.546923] mxs-dma 110000.dma-controller: initialized <4>[ 6.605313] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.613333] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.822063] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.843577] SuperH (H)SCI(F) driver initialized <6>[ 6.848202] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.859093] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.865656] printk: console [ttymxc1] enabled <6>[ 6.865656] printk: console [ttymxc1] enabled <6>[ 6.874365] printk: bootconsole [ec_imx21] disabled <6>[ 6.874365] printk: bootconsole [ec_imx21] disabled <6>[ 6.890576] msm_serial: driver initialized <6>[ 6.896021] STMicroelectronics ASC driver initialized <6>[ 6.907153] STM32 USART driver initialized <6>[ 6.930610] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.950496] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.959123] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.967055] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.016725] brd: module loaded <6>[ 7.061790] loop: module loaded <6>[ 7.068119] lkdtm: No crash points registered, enable through debugfs <6>[ 7.088532] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.096815] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.105114] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.113641] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.121894] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.130306] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.138317] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.149819] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.157184] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.166319] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.180291] scsi host0: ahci-imx <6>[ 7.185940] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.244120] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.257295] pps pps0: new PPS source ptp0 <6>[ 7.305286] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.315700] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.320962] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.327454] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.333142] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.358453] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.366329] usbcore: registered new interface driver pegasus <6>[ 7.372463] usbcore: registered new interface driver asix <6>[ 7.378332] usbcore: registered new interface driver ax88179_178a <6>[ 7.384841] usbcore: registered new interface driver cdc_ether <6>[ 7.391198] usbcore: registered new interface driver smsc75xx <6>[ 7.397484] usbcore: registered new interface driver smsc95xx <6>[ 7.403645] usbcore: registered new interface driver net1080 <6>[ 7.409766] usbcore: registered new interface driver cdc_subset <6>[ 7.416146] usbcore: registered new interface driver zaurus <6>[ 7.422229] usbcore: registered new interface driver cdc_ncm <6>[ 7.439525] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.446488] ehci-pci: EHCI PCI platform driver <6>[ 7.451364] ehci-platform: EHCI generic platform driver <6>[ 7.457810] ehci-orion: EHCI orion driver <6>[ 7.462901] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.468029] ehci-st: EHCI STMicroelectronics driver <6>[ 7.473932] ehci-exynos: EHCI Exynos driver <6>[ 7.479182] ehci-atmel: EHCI Atmel driver <6>[ 7.484210] tegra-ehci: Tegra EHCI driver <6>[ 7.489317] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.495896] ohci-pci: OHCI PCI platform driver <6>[ 7.500773] ohci-platform: OHCI generic platform driver <6>[ 7.507169] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.512207] ohci-st: OHCI STMicroelectronics driver <6>[ 7.518173] ohci-atmel: OHCI Atmel driver <6>[ 7.526313] usbcore: registered new interface driver usb-storage <6>[ 7.537667] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.543687] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.550315] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.561470] i2c /dev entries driver <6>[ 7.637751] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.644229] sdhci: Copyright(c) Pierre Ossman <6>[ 7.657414] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.670194] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.679608] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.679615] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.690452] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.697591] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.707401] usbcore: registered new interface driver usbhid <6>[ 7.713269] usbhid: USB HID core driver <6>[ 7.733777] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.733784] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.740199] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.756180] IPv4 over IPsec tunneling driver <6>[ 7.765107] NET: Registered protocol family 10 <6>[ 7.775090] Segment Routing with IPv6 <6>[ 7.780750] mmc2: new high speed SDHC card at address 0001 <6>[ 7.784685] NET: Registered protocol family 17 <6>[ 7.793197] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.794808] mmcblk2: mmc2:0001 SD 14.6 GiB <5>[ 7.798687] Key type dns_resolver registered <6>[ 7.820596] ThumbEE CPU extension supported. <4>[ 7.824450] GPT:Primary header thinks Alt. header is not at the end of the disk. <5>[ 7.825279] Registering SWP/SWPB emulation handler <4>[ 7.833003] GPT:29296874 != 30560255 <4>[ 7.841928] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.848291] GPT:29296874 != 30560255 <5>[ 7.848865] Loading compiled-in X.509 certificates <4>[ 7.852149] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.862770] mmcblk2: p1 p2 p3 <4>[ 8.009210] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.017767] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.030124] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.063027] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.075529] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.081007] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.115848] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.129608] hub 1-0:1.0: USB hub found <6>[ 8.134104] hub 1-0:1.0: 1 port detected <6>[ 8.149409] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.178832] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.187321] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.199664] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.227384] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.235877] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.248231] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.265933] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.292020] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.300520] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.312850] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.333958] 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>[ 8.525560] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.733757] hub 1-1:1.0: USB hub found <6>[ 8.738731] hub 1-1:1.0: 3 ports detected <4>[ 8.767673] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.776134] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.788673] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 10.417104] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off <6>[ 10.445768] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 10.475340] Sending DHCP requests ., OK <6>[ 10.520049] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 <6>[ 10.528551] IP-Config: Complete: <6>[ 10.532120] device=eth0, hwaddr=00:19:b8:07:40:03, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.542894] host=imx6q-sabrelite-lava-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 10.551038] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.551054] nameserver0=192.168.201.1 <6>[ 10.563609] clk: Disabling unused clocks <6>[ 10.611114] Freeing unused kernel memory: 2048K <6>[ 10.626085] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 15.688861] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 15.737723] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.740535] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.770949] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.786261] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.830102] CAN device driver interface <4>[ 15.836950] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.845500] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.878253] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.929766] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.951359] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.986746] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.996277] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.040300] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.046426] caam 2100000.crypto: Entropy delay = 3200 <6>[ 16.047234] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 16.113244] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 16.174002] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 16.179513] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 16.186472] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 16.201579] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 16.208839] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 16.215388] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 16.228262] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1 <4>[ 16.242959] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.297519] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 16.319046] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 16.346483] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 16.353378] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.354245] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 16.355429] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 16.369836] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.407901] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.416545] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.426427] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.429914] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.435415] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.451957] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.460943] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.480201] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.488857] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.504230] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.577835] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.586606] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.620269] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.765895] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.774683] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.783486] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.792208] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.213338] caam algorithms registered in /proc/crypto <6>[ 17.230624] caam 2100000.crypto: registering rng-caam <5>[ 17.359592] random: crng init done <4>[ 17.385372] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.394452] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.407083] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.428464] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.437164] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.445940] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.454546] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.482878] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.491403] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.503961] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.523345] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.532070] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.540850] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.549732] 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:b8:07:40:03 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 19.662019] systemd[1]: System time before build time, advancing clock. <30>[ 19.947316] 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>[ 19.984720] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 20.059648] systemd[1]: Hostname set to . <30>[ 21.985659] systemd[1]: Queued start job for default target graphical.target. <30>[ 22.004665] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 22.053033] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 22.104290] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 22.151184] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 22.199943] 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>[ 22.249141] 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>[ 22.297248] 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>[ 22.318804] systemd[1]: Expecting device dev-ttymxc1.device - /dev/ttymxc1... Expecting device dev-ttymxc1.device - /dev/ttymxc1... <30>[ 22.355783] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 22.396649] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 22.446743] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 22.486466] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 22.536281] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 22.576631] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 22.617415] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 22.670354] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 22.771483] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 22.791340] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 22.842449] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 22.902423] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 22.957939] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 23.001077] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 23.059728] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). <30>[ 23.075996] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). <30>[ 23.101855] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 23.171438] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 23.249333] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 23.318425] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 23.376268] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 23.430378] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 23.490814] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 23.556585] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 23.615528] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <6>[ 23.642381] fuse: init (API version 7.32) <30>[ 23.690018] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 23.753563] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 23.818220] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 23.875156] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 23.928235] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 23.996695] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 24.038339] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 24.082801] 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>[ 24.169424] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 24.180118] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 24.241180] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 24.251517] 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>[ 24.311222] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 24.321291] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. <30>[ 24.381317] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 24.392043] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. <30>[ 24.441266] systemd[1]: modprobe@fuse.service: Deactivated successfully. <30>[ 24.451451] systemd[1]: Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. <30>[ 24.507134] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ 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... Starting systemd-sysusers.…rvice - Create System Users... <46>[ 25.060972] systemd-journald[296]: Received client request to flush runtime journal. [ 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-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-udevd.ser…ger for Device Events and Files... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. Starting systemd-tmpfiles-… Volatile Files and Directories... [ 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>[ 28.100750] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 28.346195] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 28.355057] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 28.369155] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 28.378198] cfg80211: failed to load regulatory.db [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. <46>[ 28.479079] systemd-journald[296]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 28.499135] systemd-journald[296]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating. [ OK ] Reached target time-set.target - System Time Set. [ 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 ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ 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 ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Reached target usb-gadget.…m - Hardware activated USB gadget. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. [ 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 ] 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 Mon Jun 24 06:58:37 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/14531253/extract-nfsrootfs-9_dn__3d' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14531253/extract-nfsrootfs-9_dn__3d' / # 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-14531253/environment . /lava-14531253/environment / # /lava-14531253/bin/lava-test-runner /lava-14531253/0 /lava-14531253/bin/lava-test-runner /lava-14531253/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14531253/0/tests/0_timesync-off ++ cat uuid + UUID=14531253_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-14531253/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14531253_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-cip49-1-g6e4566075fbe7/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 --2024-06-24 07:14:34-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1-g6e4566075fbe7/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: 1410312 (1.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 3%[ ] 44.98K 181KB/s kselftest_armhf.tar 15%[==> ] 214.67K 429KB/s kselftest_armhf.tar 37%[======> ] 517.28K 610KB/s kselftest_armhf.tar 100%[===================>] 1.34M 1.37MB/s in 1.0s 2024-06-24 07:14:35 (1.37 MB/s) - 'kselftest_armhf.tar.gz' saved [1410312/1410312] 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>[ 59.254015] 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>[ 60.263852] lkdtm: Performing direct entry BUG <4>[ 60.269043] ------------[ cut here ]------------ <2>[ 60.273936] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 60.279433] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 60.284843] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 60.317243] CPU: 0 PID: 747 Comm: cat Not tainted 5.10.218-cip49 #1 <4>[ 60.323782] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 60.330589] PC is at lkdtm_BUG+0x14/0x18 <4>[ 60.334785] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 60.339498] pc : [] lr : [] psr: a0080013 <4>[ 60.346035] sp : c4743e58 ip : c4743e68 fp : c4743e64 <4>[ 60.351528] r10: 00000004 r9 : c1ad6d48 r8 : c15ec020 <4>[ 60.357022] r7 : c4743f60 r6 : 00000004 r5 : c5c2f000 r4 : 00000001 <4>[ 60.363819] r3 : c0c594a8 r2 : 5ae5df68 r1 : ef7815e0 r0 : c15ec028 <4>[ 60.370617] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 60.378022] Control: 10c5387d Table: 1472c04a DAC: 00000051 <0>[ 60.384041] Process cat (pid: 747, stack limit = 0xfc110b63) <0>[ 60.389970] Stack: (0xc4743e58 to 0xc4744000) <0>[ 60.394599] 3e40: c4743e74 c4743e68 <0>[ 60.403051] 3e60: c0c58f3c c0c594b4 c4743e9c c4743e78 c0c5943c c0c58f1c c0c5931c c6a14dc0 <0>[ 60.411501] 3e80: b6e34000 00000004 c517d180 c4743f60 c4743ec4 c4743ea0 c07e29dc c0c59328 <0>[ 60.419953] 3ea0: 00000000 c6a14dc0 b6e34000 c290d000 c4743f60 c07e2978 c4743f5c c4743ec8 <0>[ 60.428416] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4742000 <0>[ 60.436873] 3ee0: b6e34000 00020000 00000004 00000004 0001fffc c4743ee0 00000001 b6e33000 <0>[ 60.445324] 3f00: c46e8c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 60.453777] 3f20: 00000000 00000000 c13e1300 5ae5df68 c206c1a0 c6a14dc0 c6a14dc0 c4742000 <0>[ 60.462228] 3f40: b6e34000 00000000 00000000 00000004 c4743f94 c4743f60 c059c9b0 c059c304 <0>[ 60.470679] 3f60: 00000000 00000000 c4743fac 5ae5df68 00000004 00000004 7ff00000 00000004 <0>[ 60.479129] 3f80: c03002e4 c4742000 c4743fa4 c4743f98 c059ca40 c059c948 00000000 c4743fa8 <0>[ 60.487580] 3fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6e34000 00000004 00000001 <0>[ 60.496030] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e34000 00020000 0048fe38 <0>[ 60.504481] 3fe0: 00000004 beaad7e8 b6efa33b b6e73616 60080030 00000001 00000000 00000000 <0>[ 60.512924] Backtrace: <0>[ 60.515658] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 60.523503] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 60.531787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 60.539980] r9:c4743f60 r8:c517d180 r7:00000004 r6:b6e34000 r5:c6a14dc0 r4:c0c5931c <0>[ 60.548009] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 60.556113] r9:c07e2978 r8:c4743f60 r7:c290d000 r6:b6e34000 r5:c6a14dc0 r4:00000000 <0>[ 60.564132] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 60.571540] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c4742000 r5:c6a14dc0 <0>[ 60.579636] r4:c6a14dc0 <0>[ 60.582446] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 60.589855] r9:c4742000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <0>[ 60.597876] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 60.605716] Exception stack(0xc4743fa8 to 0xc4743ff0) <0>[ 60.611041] 3fa0: 00000004 00000004 00000001 b6e34000 00000004 00000001 <0>[ 60.619492] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e34000 00020000 0048fe38 <0>[ 60.627939] 3fe0: 00000004 beaad7e8 b6efa33b b6e73616 <0>[ 60.633265] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 60.639635] ---[ end trace c88116889e02e42b ]--- <3>[ 60.644527] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.653669] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 747, name: cat <4>[ 60.661595] INFO: lockdep is turned off. <4>[ 60.665786] irq event stamp: 1740 <4>[ 60.669382] hardirqs last enabled at (1739): [] console_unlock+0x4b0/0x6c0 <4>[ 60.677488] hardirqs last disabled at (1740): [] __und_svc+0x60/0x6c <4>[ 60.684985] softirqs last enabled at (1736): [] __do_softirq+0x36c/0x5a0 <4>[ 60.692917] softirqs last disabled at (1717): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 60.701021] CPU: 0 PID: 747 Comm: cat Tainted: G D 5.10.218-cip49 #1 <4>[ 60.708946] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 60.715744] Backtrace: <4>[ 60.718478] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 60.726324] r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d058 <4>[ 60.732262] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 60.739854] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 60.747872] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d2e3c r4:c4742000 <4>[ 60.755890] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 60.763990] r6:00000000 r5:00000031 r4:c19d2e3c <4>[ 60.768890] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 60.776904] r6:00000001 r5:c4742000 r4:c5ef6c00 <4>[ 60.781807] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 60.789390] r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c5ef6c00 <4>[ 60.796368] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 60.803944] r7:c1e1ca0c <4>[ 60.806755] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 60.814163] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 60.821486] r10:00000004 r9:c4742000 r8:c15ec020 r7:00000000 r6:c4743dc8 r5:c0c594bc <4>[ 60.829583] r4:e7f001f2 <4>[ 60.832392] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 60.840576] Exception stack(0xc4743dc8 to 0xc4743e10) <4>[ 60.845901] 3dc0: c15ec028 ef7815e0 5ae5df68 c0c594a8 00000001 c5c2f000 <4>[ 60.854350] 3de0: 00000004 c4743f60 c15ec020 c1ad6d48 00000004 c4743e64 c4743e68 c4743e58 <4>[ 60.862798] 3e00: c0c58f3c c0c594bc a0080013 ffffffff <4>[ 60.868120] r7:c4743dfc r6:ffffffff r5:a0080013 r4:c0c594c0 <4>[ 60.874057] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 60.881901] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 60.890182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 60.898371] r9:c4743f60 r8:c517d180 r7:00000004 r6:b6e34000 r5:c6a14dc0 r4:c0c5931c <4>[ 60.906392] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 60.914496] r9:c07e2978 r8:c4743f60 r7:c290d000 r6:b6e34000 r5:c6a14dc0 r4:00000000 <4>[ 60.922515] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 60.929923] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c4742000 r5:c6a14dc0 <4>[ 60.938019] r4:c6a14dc0 <4>[ 60.940827] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 60.948235] r9:c4742000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <4>[ 60.956252] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 60.964090] Exception stack(0xc4743fa8 to 0xc4743ff0) <4>[ 60.969413] 3fa0: 00000004 00000004 00000001 b6e34000 00000004 00000001 <4>[ 60.977863] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e34000 00020000 0048fe38 <4>[ 60.986310] 3fe0: 00000004 beaad7e8 b6efa33b b6e73616 # Segmentation fault # [ 60.263852] lkdtm: Performing direct entry BUG # [ 60.269043] ------------[ cut here ]------------ # [ 60.273936] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 60.279433] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 60.284843] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 60.317243] CPU: 0 PID: 747 Comm: cat Not tainted 5.10.218-cip49 #1 # [ 60.323782] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 60.330589] PC is at lkdtm_BUG+0x14/0x18 # [ 60.334785] LR is at lkdtm_do_action+0x2c/0x4c # [ 60.339498] pc : [] lr : [] psr: a0080013 # [ 60.346035] sp : c4743e58 ip : c4743e68 fp : c4743e64 # [ 60.351528] r10: 00000004 r9 : c1ad6d48 r8 : c15ec020 # [ 60.357022] r7 : c4743f60 r6 : 00000004 r5 : c5c2f000 r4 : 00000001 # [ 60.363819] r3 : c0c594a8 r2 : 5ae5df68 r1 : ef7815e0 r0 : c15ec028 # [ 60.370617] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 60.378022] Control: 10c5387d Table: 1472c04a DAC: 00000051 # [ 60.384041] Process cat (pid: 747, stack limit = 0xfc110b63) # [ 60.389970] Stack: (0xc4743e58 to 0xc4744000) # [ 60.394599] 3e40: c4743e74 c4743e68 # [ 60.403051] 3e60: c0c58f3c c0c594b4 c4743e9c c4743e78 c0c5943c c0c58f1c c0c5931c c6a14dc0 # [ 60.411501] 3e80: b6e34000 00000004 c517d180 c4743f60 c4743ec4 c4743ea0 c07e29dc c0c59328 # [ 60.419953] 3ea0: 00000000 c6a14dc0 b6e34000 c290d000 c4743f60 c07e2978 c4743f5c c4743ec8 # [ 60.428416] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4742000 # [ 60.436873] 3ee0: b6e34000 00020000 00000004 00000004 0001fffc c4743ee0 00000001 b6e33000 # [ 60.445324] 3f00: c46e8c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 60.453777] 3f20: 00000000 00000000 c13e1300 5ae5df68 c206c1a0 c6a14dc0 c6a14dc0 c4742000 # [ 60.462228] 3f40: b6e34000 00000000 00000000 00000004 c4743f94 c4743f60 c059c9b0 c059c304 # [ 60.470679] 3f60: 00000000 00000000 c4743fac 5ae5df68 00000004 00000004 7ff00000 00000004 # [ 60.479129] 3f80: c03002e4 c4742000 c4743fa4 c4743f98 c059ca40 c059c948 00000000 c4743fa8 # [ 60.487580] 3fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6e34000 00000004 00000001 # [ 60.496030] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e34000 00020000 0048fe38 # [ 60.504481] 3fe0: 00000004 beaad7e8 b6efa33b b6e73616 60080030 00000001 00000000 00000000 # [ 60.512924] Backtrace: # [ 60.515658] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 60.523503] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 60.531787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 60.539980] r9:c4743f60 r8:c517d180 r7:00000004 r6:b6e34000 r5:c6a14dc0 r4:c0c5931c # [ 60.548009] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 60.556113] r9:c07e2978 r8:c4743f60 r7:c290d000 r6:b6e34000 r5:c6a14dc0 r4:00000000 # [ 60.564132] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 60.571540] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c4742000 r5:c6a14dc0 # [ 60.579636] r4:c6a14dc0 # [ 60.582446] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 60.589855] r9:c4742000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 60.597876] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 60.605716] Exception stack(0xc4743fa8 to 0xc4743ff0) # [ 60.611041] 3fa0: 00000004 00000004 00000001 b6e34000 00000004 00000001 # [ 60.619492] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e34000 00020000 0048fe38 # [ 60.627939] 3fe0: 00000004 beaad7e8 b6efa33b b6e73616 # [ 60.633265] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 60.639635] ---[ end trace c88116889e02e42b ]--- # [ 60.644527] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.653669] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 747, name: cat # [ 60.661595] INFO: lockdep is turned off. # [ 60.665786] irq event stamp: 1740 # [ 60.669382] hardirqs last enabled at (1739): [] console_unlock+0x4b0/0x6c0 # [ 60.677488] hardirqs last disabled at (1740): [] __und_svc+0x60/0x6c # [ 60.684985] softirqs last enabled at (1736): [] __do_softirq+0x36c/0x5a0 # [ 60.692917] softirqs last disabled at (1717): [] __irq_exit_rcu+0x178/0x1d0 # [ 60.701021] CPU: 0 PID: 747 Comm: cat T<6>[ 61.488498] lkdtm: Performing direct entry WARNING ainted: G D 5.10.2<4>[ 61.493975] ------------[ cut here ]------------ 18-cip49 #1 # [ 60.708946] Har<4>[ 61.501847] WARNING: CPU: 2 PID: 820 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c dware name: Freescale i.MX6 Quad/<4>[ 61.513340] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 DualLite (Device Tree) # [ 60.<4>[ 61.548430] CPU: 2 PID: 820 Comm: cat Tainted: G D W 5.10.218-cip49 #1 715744] Backtrace: # [ 60.718<4>[ 61.559069] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 478] [] (dump_backtrace<4>[ 61.568721] Backtrace: ) from [] (show_stack+0<4>[ 61.574303] [] (dump_backtrace) from [] (show_stack+0x20/0x24) x20/0x24) # [ 60.726324] r7:f<4>[ 61.584989] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 fffffff r6:60080093 r5:00000000 r<4>[ 61.593774] [] (show_stack) from [] (dump_stack+0xe0/0x100) 4:c1f1d058 # [ 60.732262] [[ 61.604207] [] (dump_stack) from [] (__warn+0x98/0x14c) 3be428>] (show_stack) from [[ 61.614286] r9:00000009 r8:c0c59508 r7:00000053 r6:00000009 r5:c0c59508 r4:c1ad7404 56e4>] (dump_stack+0xe0/0x100) #<4>[ 61.625153] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 60.739854] [] (dum<4>[ 61.635755] r7:00000053 r6:c1ad7404 r5:00000000 r4:c6a10000 p_stack) from [] (___mi<4>[ 61.644544] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) ght_sleep+0x188/0x2e0) # [ 60.<4>[ 61.655751] r9:c1ad6d4c r8:c15ec020 r7:c6a11f60 r6:00000008 r5:c5aa8000 r4:00000002 747872] r9:60080093 r8:0000000b <4>[ 61.666619] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) r7:c035c468 r6:00000031 r5:c19d2e<4>[ 61.677657] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 3c r4:c4742000 # [ 60.755890] <4>[ 61.688789] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [] (___might_sleep) fro<4>[ 61.699821] r9:c6a11f60 r8:c517d180 r7:00000008 r6:b6e13000 r5:c593d040 r4:c0c5931c m [] (__might_sleep+0x7<4>[ 61.710696] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 0/0xb0) # [ 60.763990] r6:000<4>[ 61.721640] r9:c07e2978 r8:c6a11f60 r7:c290d000 r6:b6e13000 r5:c593d040 r4:00000000 00000 r5:00000031 r4:c19d2e3c # <4>[ 61.732508] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 60.768890] [] (__mi<4>[ 61.742765] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6a10000 r5:c593d040 ght_sleep) from [] (exi<4>[ 61.753713] r4:c593d040 t_signals+0x4c/0x420) <4>[ 61.759376] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 60.776904] r6:00000001 r5:<4>[ 61.768766] r9:c6a10000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 c4742000 r4:c5ef6c00<4>[ 61.779637] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 61.789195] Exception stack(0xc6a11fa8 to 0xc6a11ff0) # [ 60.781807] [] (ex<4>[ 61.794682] 1fa0: 00000008 00000008 00000001 b6e13000 00000008 00000001 it_signals) from [] (do<4>[ 61.805983] 1fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e13000 00020000 0041fe38 _exit+0x100/0xafc) # [ 60.7893<4>[ 61.817281] 1fe0: 00000004 be83a7e8 b6ed933b b6e52616 90] r8:0000000b r7:c1e1ca0c r6:f<4>[ 61.825534] irq event stamp: 0 fffe000 r5:00000000 r4:c5ef6c00 <4>[ 61.831640] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 60.796368] [] (do<4>[ 61.840365] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac _exit) from [] (make_ta<4>[ 61.850972] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac sk_dead+0x68/0x74) # [ 60.8039<4>[ 61.861573] softirqs last disabled at (0): [<00000000>] 0x0 44] r7:c1e1ca0c # [ 60.806755<4>[ 61.870268] ---[ end trace c88116889e02e42c ]--- ] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 60.814163] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 60.821486] r10:00000004 r9:c4742000 r8:c15ec020 r7:00000000 r6:c4743dc8 r5:c0c594bc # [ 60.829583] r4:e7f001f2 # [ 60.832392] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 60.840576] Exception stack(0xc4743dc8 to 0xc4743e10) # [ 60.845901] 3dc0: c15ec028 ef7815e0 5ae5df68 c0c594a8 00000001 c5c2f000 # [ 60.854350] 3de0: 00000004 c4743f60 c15ec020 c1ad6d48 00000004 c4743e64 c4743e68 c4743e58 # [ 60.862798] 3e00: c0c58f3c c0c594bc a0080013 ffffffff # [ 60.868120] r7:c4743dfc r6:ffffffff r5:a0080013 r4:c0c594c0 # [ 60.874057] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 60.881901] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 60.890182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 60.898371] r9:c4743f60 r8:c517d180 r7:00000004 r6:b6e34000 r5:c6a14dc0 r4:c0c5931c # [ 60.906392] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 60.914496] r9:c07e2978 r8:c4743f60 r7:c290d000 r6:b6e34000 r5:c6a14dc0 r4:00000000 # [ 60.922515] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 60.929923] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c4742000 r5:c6a14dc0 # [ 60.938019] r4:c6a14dc0 # [ 60.940827] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 60.948235] r9:c4742000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 60.956252] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 60.964090] Exception stack(0xc4743fa8 to 0xc4743ff0) # [ 60.969413] 3fa0: 00000004 00000004 00000001 b6e34000 00000004 00000001 # [ 60.977863] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e34000 00020000 0048fe38 # [ 60.986310] 3fe0: 00000004 beaad7e8 b6efa33b b6e73616 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 61.488498] lkdtm: Performing direct entry WARNING # [ 61.493975] ------------[ cut here ]------------ # [ 61.501847] WARNING: CPU: 2 PID: 820 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 61.513340] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 61.548430] CPU: 2 PID: 820 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 61.559069] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 61.568721] Backtrace: # [ 61.574303] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 61.584989] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 61.593774] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 61.604207] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 61.614286] r9:00000009 r8:c0c59508 r7:00000053 r6:00000009 r5:c0c59508 r4:c1ad7404 # [ 61.625153] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 61.635755] r7:00000053 r6:c1ad7404 r5:00000000 r4:c6a10000 # [ 61.644544] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 61.655751] r9:c1ad6d4c r8:c15ec020 r7:c6a11f60 r6:00000008 r5:c5aa8000 r4:00000002 # [ 61.666619] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 61.677657] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 61.688789] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 61.699821] r9:c6a11f60 r8:c517d180 r7:00000008 r6:b6e13000 r5:c593d040 r4:c0c5931c # [ 61.710696] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 61.721640] r9:c07e2978 r8:c6a11f60 r7:c290d000 r6:b6e13000 r5:c593d040 r4:00000000 # [ 61.732508] [<<6>[ 62.248199] lkdtm: Performing direct entry WARNING_MESSAGE c059c2f8>] (vfs_write) from [[ 62.255569] ------------[ cut here ]------------ 9c9b0>] (ksys_write+0x74/0xec) #<4>[ 62.263127] WARNING: CPU: 2 PID: 856 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 [ 61.742765] r10:00000004 r9:<4>[ 62.275393] Warning message trigger count: 2 00000000 r8:00000000 r7:b6e13000 <4>[ 62.282777] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 r6:c6a10000 r5:c593d040 # [ 61<4>[ 62.317802] CPU: 2 PID: 856 Comm: cat Tainted: G D W 5.10.218-cip49 #1 .753713] r4:c593d040 # [ 61.7<4>[ 62.328527] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 59376] [] (ksys_write) <4>[ 62.338178] Backtrace: from [] (sys_write+0x18<4>[ 62.343762] [] (dump_backtrace) from [] (show_stack+0x20/0x24) /0x1c) # [ 61.768766] r9:c6a1<4>[ 62.354446] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 0000 r8:c03002e4 r7:00000004 r6:7<4>[ 62.363232] [] (show_stack) from [] (dump_stack+0xe0/0x100) ff00000 r5:00000008 r4:00000008 <4>[ 62.373664] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 61.779637] [] (sy<4>[ 62.383745] r9:00000009 r8:c0c59558 r7:00000058 r6:00000009 r5:c0c59558 r4:c1ad7404 s_write) from [] (ret_f<4>[ 62.394613] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ast_syscall+0x0/0x28) # [ 61.7<4>[ 62.405214] r7:00000058 r6:c1ad7404 r5:c1ad7420 r4:c4780000 89195] Exception stack(0xc6a11fa8<4>[ 62.414010] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) to 0xc6a11ff0) # [ 61.794682]<4>[ 62.425914] r9:c1ad6d54 r8:c15ec020 r7:c4781f60 r6:00000010 r5:c6831000 r4:00000003 1fa0: 00000008<4>[ 62.436780] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 00000008 00000001 b6e13000 00000<4>[ 62.448514] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 008 00000001 # [ 61.805983] 1f<4>[ 62.459647] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) c0: 00000008 00000008 7ff00000 00<4>[ 62.470679] r9:c4781f60 r8:c517d180 r7:00000010 r6:b6e36000 r5:c5b23900 r4:c0c5931c 000004 00000001 b6e13000 00020000<4>[ 62.481550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 0041fe38 # [ 61.817281] 1fe0:<4>[ 62.492496] r9:c07e2978 r8:c4781f60 r7:c290d000 r6:b6e36000 r5:c5b23900 r4:00000000 00000004 be83a7e8 b6ed933b b6e52<4>[ 62.503365] [] (vfs_write) from [] (ksys_write+0x74/0xec) 616 # [ 61.825534] irq event s<4>[ 62.513620] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c4780000 r5:c5b23900 tamp: 0 # [ 61.831640] hardirq<4>[ 62.524568] r4:c5b23900 s last enabled at (0): [<0000000<4>[ 62.530232] [] (ksys_write) from [] (sys_write+0x18/0x1c) 0>] 0x0 # [ 61.840365] hardirq<4>[ 62.540489] r9:c4780000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 s last disabled at (0): [[ 62.551356] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 4>] copy_process+0x5f8/0x1dac # <4>[ 62.562042] Exception stack(0xc4781fa8 to 0xc4781ff0) [ 61.850972] softirqs last ena<4>[ 62.570221] 1fa0: 00000010 00000010 00000001 b6e36000 00000010 00000001 bled at (0): [] copy_pr<4>[ 62.581520] 1fc0: 00000010 00000010 7ff00000 00000004 00000001 b6e36000 00020000 0044fe38 ocess+0x5f8/0x1dac # [ 61.8615<4>[ 62.592819] 1fe0: 00000004 bed0b7e8 b6efc33b b6e75616 73] softirqs last disabled at (0)<4>[ 62.601026] irq event stamp: 0 : [<00000000>] 0x0 # [ 61.8702<4>[ 62.607199] hardirqs last enabled at (0): [<00000000>] 0x0 68] ---[ end trace c88116889e02e4<4>[ 62.615907] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 2c ]--- # WARNING: saw 'WARNING:<4>[ 62.626522] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac ': ok ok 3 selftests: lkdtm: WAR<4>[ 62.637123] softirqs last disabled at (0): [<00000000>] 0x0 NING.sh # selftests: lkdtm: WARN<4>[ 62.645805] ---[ end trace c88116889e02e42d ]--- ING_MESSAGE.sh # [ 62.248199] lkdtm: Performing direct entry WARNING_MESSAGE # [ 62.255569] ------------[ cut here ]------------ # [ 62.263127] WARNING: CPU: 2 PID: 856 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 62.275393] Warning message trigger count: 2 # [ 62.282777] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 62.317802] CPU: 2 PID: 856 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 62.328527] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.338178] Backtrace: # [ 62.343762] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 62.354446] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 62.363232] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 62.373664] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 62.383745] r9:00000009 r8:c0c59558 r7:00000058 r6:00000009 r5:c0c59558 r4:c1ad7404 # [ 62.394613] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 62.405214] r7:00000058 r6:c1ad7404 r5:c1ad7420 r4:c4780000 # [ 62.414010] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 62.425914] r9:c1ad6d54 r8:c15ec020 r7:c4781f60 r6:00000010 r5:c6831000 r4:00000003 # [ 62.436780] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.448514] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.459647] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.470679] r9:c4781f60 r8:c517d180 r7:00000010 r6:b6e36000 r5:c5b23900 r4:c0c5931c # [ 62.481550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.492496] r9:c07e2978 r8:c4781f60 r7:c290d000 r6:b6e36000 r5:c5b23900 r4:00000000 # [ 62.503365] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.513620] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c4780000 r5:c5b23900 # [ 62.524568] r4:c5b23900 # [ 62.530232] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.540489] r9:c4780000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 # [ 62.551356] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.562042] Exception stack(0xc4781fa8 to 0xc4781ff0) # [ 62.570221] 1fa0: 00000010 00000010 00000001 b6e36000 00000010 00000001 # [ 62.581520] 1fc0: 00000010 00000010 7ff00000 00000004 00000001 b6e36000 00020000 0044fe38 # [ 62.592819] 1fe0: 00000004 bed0b7e8 b6efc33b b6e75616 # [ 62.601026] irq event stamp: 0 # [ 62.607199] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 62.615907] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 62.626522] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 62.637123] softirqs<6>[ 62.981112] lkdtm: Performing direct entry EXCEPTION last disabled at (0): [<00000000<1>[ 62.988831] 8<--- cut here --- >] 0x0 # [ 62.6<415>8[0 5 ] 62.994933] Unable to handle kernel NULL pointer dereference at virtual address 00000000 --[ end trace c88116889e02e42d ]-<1>[ 63.005612] pgd = ed123a97 -- # WARNING_MESSAGE: saw 'messa<1>[ 63.011351] [00000000] *pgd=00000000 ge trigger': ok ok 4 selftests: <0>[ 63.018092] Internal error: Oops: 805 [#2] SMP ARM lkdtm: WARNING_MESSAGE.sh # self<4>[ 63.025933] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 tests: lkdtm: EXCEPTN[. s h 63.060942] CPU: 2 PID: 889 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 63.071111] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.077999] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 63.082717] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 63.087433] pc : [] lr : [] psr: a0080013 <4>[ 63.093970] sp : c5c5fe58 ip : c5c5fe68 fp : c5c5fe64 <4>[ 63.099463] r10: 0000000a r9 : c1ad6d64 r8 : c15ec020 <4>[ 63.104957] r7 : c5c5ff60 r6 : 0000000a r5 : c6831000 r4 : 00000004 <4>[ 63.111754] r3 : 00000000 r2 : 8da44b2a r1 : ef7ab5e0 r0 : c15ec040 <4>[ 63.118551] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 63.125957] Control: 10c5387d Table: 16e1004a DAC: 00000051 <0>[ 63.131976] Process cat (pid: 889, stack limit = 0x372c3b45) <0>[ 63.137905] Stack: (0xc5c5fe58 to 0xc5c60000) <0>[ 63.142534] fe40: c5c5fe74 c5c5fe68 <0>[ 63.150984] fe60: c0c58f3c c0c5956c c5c5fe9c c5c5fe78 c0c5943c c0c58f1c c0c5931c c6890640 <0>[ 63.159435] fe80: b6df2000 0000000a c517d180 c5c5ff60 c5c5fec4 c5c5fea0 c07e29dc c0c59328 <0>[ 63.167886] fea0: 00000000 c6890640 b6df2000 c290d000 c5c5ff60 c07e2978 c5c5ff5c c5c5fec8 <0>[ 63.176338] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c40fa424 c059c9b0 c5c5e000 <0>[ 63.184788] fee0: b6df2000 00020000 00000004 0000000a 0001fff6 c5c5fee0 00000001 00000805 <0>[ 63.193238] ff00: c46e97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 63.201690] ff20: 00000000 00000000 c5c5e000 8da44b2a b6df1000 c6890640 c6890640 c5c5e000 <0>[ 63.210139] ff40: b6df2000 00000000 00000000 00000004 c5c5ff94 c5c5ff60 c059c9b0 c059c304 <0>[ 63.218591] ff60: 00000000 00000000 c5c5ffac 8da44b2a 0000000a 0000000a 7ff00000 00000004 <0>[ 63.227042] ff80: c03002e4 c5c5e000 c5c5ffa4 c5c5ff98 c059ca40 c059c948 00000000 c5c5ffa8 <0>[ 63.235493] ffa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 <0>[ 63.243944] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 <0>[ 63.252395] ffe0: 00000004 bea517e8 b6eb833b b6e31616 60080030 00000001 00000000 00000000 <0>[ 63.260838] Backtrace: <0>[ 63.263574] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 63.271942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 63.280230] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 63.288423] r9:c5c5ff60 r8:c517d180 r7:0000000a r6:b6df2000 r5:c6890640 r4:c0c5931c <0>[ 63.296449] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 63.304553] r9:c07e2978 r8:c5c5ff60 r7:c290d000 r6:b6df2000 r5:c6890640 r4:00000000 <0>[ 63.312571] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 63.319981] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5c5e000 r5:c6890640 <0>[ 63.328079] r4:c6890640 <0>[ 63.330887] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 63.338297] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 63.346318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 63.354154] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) <0>[ 63.359478] ffa0: 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 <0>[ 63.367928] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 <0>[ 63.376375] ffe0: 00000004 bea517e8 b6eb833b b6e31616 <0>[ 63.381702] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 63.388169] ---[ end trace c88116889e02e42e ]--- # Segmentation fault # [ 62.981112] lkdtm: Performing direct entry EXCEPTION # [ 62.988831] 8<--- cut here --- # [ 62.994933] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 63.005612] pgd = ed123a97 # [ 63.011351] [00000000] *pgd=00000000 # [ 63.018092] Internal error: Oops: 805 [#2] SMP ARM # [ 63.025933] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 63.060942] CPU: 2 PID: 889 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 63.071111] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.077999] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 63.082717] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.087433] pc : [] lr : [] psr: a0080013 # [ 63.093970] sp : c5c5fe58 ip : c5c5fe68 fp : c5c5fe64 # [ 63.099463] r10: 0000000a r9 : c1ad6d64 r8 : c15ec020 # [ 63.104957] r7 : c5c5ff60 r6 : 0000000a r5 : c6831000 r4 : 00000004 # [ 63.111754] r3 : 00000000 r2 : 8da44b2a r1 : ef7ab5e0 r0 : c15ec040 # [ 63.118551] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.125957] Control: 10c5387d Table: 16e1004a DAC: 00000051 # [ 63.131976] Process cat (pid: 889, stack limit = 0x372c3b45) # [ 63.137905] Stack: (0xc5c5fe58 to 0xc5c60000) # [ 63.142534] fe40: c5c5fe74 c5c5fe68 # [ 63.150984] fe60: c0c58f3c c0c5956c c5c5fe9c c5c5fe78 c0c5943c c0c58f1c c0c5931c c6890640 # [ 63.159435] fe80: b6df2000 0000000a c517d180 c5c5ff60 c5c5fec4 c5c5fea0 c07e29dc c0c59328 # [ 63.167886] fea0: 00000000 c6890640 b6df2000 c290d000 c5c5ff60 c07e2978 c5c5ff5c c5c5fec8 # [ 63.176338] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c40fa424 c059c9b0 c5c5e000 # [ 63.184788] fee0: b6df2000 00020000 00000004 0000000a 0001fff6 c5c5fee0 00000001 00000805 # [ 63.193238] ff00: c46e97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.201690] ff20: 00000000 00000000 c5c5e000 8da44b2a b6df1000 c6890640 c6890640 c5c5e000 # [ 63.210139] ff40: b6df2000 00000000 00000000 00000004 c5c5ff94 c5c5ff60 c059c9b0 c059c304 # [ 63.218591] ff60: 00000000 00000000 c5c5ffac 8da44b2a 0000000a 0000000a 7ff00000 00000004 # [ 63.227042] ff80: c03002e4 c5c5e000 c5c5ffa4 c5c5ff98 c059ca40 c059c948 00000000 c5c5ffa8 # [ 63.235493] ffa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 # [ 63.243944] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 # [ 63.252395] ffe0: 00000004 bea517e8 b6eb833b b6e31616 60080030 00000001 00000000 00000000 # [ 63.260838] Backtrace: # [ 63.263574] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.271942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.280230] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.288423] r9:c5c5ff60 r8:c517d180 r7:0000000a r6:b6df2000 r5:c6890640 r4:c0c5931c # [ 63.296449] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.304553] r9:c07e2978 r8:c5c5ff60 r7:c290d000 r6:b6df2000 r5:c6890640 r4:00000000 # [ 63.312571] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.319981] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5c5e000 r5:c6890640 # [ 63.328079] r4:c6890640 # [ 63.330887] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.338297] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 63.346318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.354154] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) # [ 63.359478] ffa0: 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 # [ 63.367928] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 # [ 63.376375] ffe0: 00000004 bea517e8 b6eb833b b6e31616 # [ 63.381702] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 63.388169] ---[ end trace c88116889e02e42e ]--- # 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>[ 64.570949] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 64.576927] lkdtm: attempting good list addition <6>[ 64.581847] lkdtm: attempting corrupted list addition <3>[ 64.587244] lkdtm: list_add() corruption not detected! # [ 64.570949] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 64.576927] lkdtm: attempting good list addition # [ 64.581847] lkdtm: attempting corrupted list addition # [ 64.587244] 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>[ 64.914708] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 64.920693] lkdtm: attempting good list removal <6>[ 64.925674] lkdtm: attempting corrupted list removal <3>[ 64.930942] lkdtm: list_del() corruption not detected! # [ 64.914708] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 64.920693] lkdtm: attempting good list removal # [ 64.925674] lkdtm: attempting corrupted list removal # [ 64.930942] 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>[ 65.257252] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 65.263804] lkdtm: attempting bad read from page below current stack <3>[ 65.270508] lkdtm: FAIL: accessed page before stack! (byte: 3c) # [ 65.257252] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 65.263804] lkdtm: attempting bad read from page below current stack # [ 65.270508] lkdtm: FAIL: accessed page before stack! (byte: 3c) # 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>[ 65.599035] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 65.605856] lkdtm: attempting bad read from page above current stack <3>[ 65.612515] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 65.599035] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 65.605856] lkdtm: attempting bad read from page above current stack # [ 65.612515] lkdtm: FAIL: accessed page after stack! (byte: 0) # 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>[ 65.953786] lkdtm: Performing direct entry UNSET_SMEP <3>[ 65.959177] lkdtm: XFAIL: this test is x86_64-only # [ 65.953786] lkdtm: Performing direct entry UNSET_SMEP # [ 65.959177] 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>[ 66.280132] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 66.285699] lkdtm: XFAIL: this test is ia32-only # [ 66.280132] lkdtm: Performing direct entry DOUBLE_FAULT # [ 66.285699] 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>[ 66.613607] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 66.619082] lkdtm: XFAIL: this test is arm64-only # [ 66.613607] lkdtm: Performing direct entry CORRUPT_PAC # [ 66.619082] 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>[ 66.930766] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 66.937547] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 66.930766] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 66.937547] 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>[ 67.640347] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 67.646252] lkdtm: Value in memory before free: 12345678 <6>[ 67.651869] lkdtm: Attempting bad read from freed memory <6>[ 67.657530] lkdtm: Memory was not poisoned # [ 67.640347] lkdtm: Performing direct entry READ_AFTER_FREE # [ 67.646252] lkdtm: Value in memory before free: 12345678 # [ 67.651869] lkdtm: Attempting bad read from freed memory # [ 67.657530] 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>[ 68.177473] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 68.183773] lkdtm: Value in memory before free: 12345678 <6>[ 68.189449] lkdtm: Attempting to read from freed memory <6>[ 68.194954] lkdtm: Buddy page was not poisoned # [ 68.177473] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 68.183773] lkdtm: Value in memory before free: 12345678 # [ 68.189449] lkdtm: Attempting to read from freed memory # [ 68.194954] 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>[ 68.528448] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 68.534322] lkdtm: Attempting double slab free ... # [ 68.528448] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 68.534322] 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>[ 68.860693] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 68.866567] lkdtm: Attempting cross-cache slab free ... # [ 68.860693] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 68.866567] 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>[ 69.193445] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 69.199205] lkdtm: Attempting non-Slab slab free ... # [ 69.193445] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 69.199205] 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 <4>[ 69.626584] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.634715] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.645779] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.668105] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.676953] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.685798] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.694415] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.706923] platform backlight-lcd: deferred probe pending <6>[ 69.712705] platform backlight-lvds: deferred probe pending <6>[ 69.718665] platform panel-lcd: deferred probe pending <6>[ 69.724097] platform panel-lvds0: deferred probe pending <6>[ 69.729746] platform disp0: deferred probe pending # 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>[ 70.348183] lkdtm: Performing direct entry EXEC_DATA <6>[ 70.353437] lkdtm: attempting ok execution at c0c59cac <6>[ 70.358965] lkdtm: attempting bad execution at c2706a28 <1>[ 70.364475] 8<--- cut here --- <1>[ 70.367810] Unable to handle kernel paging request at virtual address c2706a28 <1>[ 70.375318] pgd = 99b46b40 <1>[ 70.378312] [c2706a28] *pgd=1261141e(bad) <0>[ 70.382638] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 70.388149] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 70.420778] CPU: 0 PID: 1765 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 70.428806] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 70.435637] PC is at data_area+0x0/0x40 <4>[ 70.439774] LR is at execute_location+0xa4/0xb4 <4>[ 70.444590] pc : [] lr : [] psr: 60080013 <4>[ 70.451142] sp : c6c93e38 ip : 00000027 fp : c6c93e54 <4>[ 70.456654] r10: 0000000a r9 : c1ad6f48 r8 : c15ec020 <4>[ 70.462165] r7 : c6c93f60 r6 : 00000001 r5 : c2706a28 r4 : c0c59cac <4>[ 70.468976] r3 : 98b3abbd r2 : 98b3abbd r1 : ef7815e4 r0 : 0000002b <4>[ 70.475792] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 70.483215] Control: 10c5387d Table: 16df004a DAC: 00000051 <0>[ 70.489247] Process cat (pid: 1765, stack limit = 0xc07bd693) <0>[ 70.495280] Stack: (0xc6c93e38 to 0xc6c94000) <0>[ 70.499928] 3e20: 0000001f c473b000 <0>[ 70.508400] 3e40: 0000000a c6c93f60 c6c93e64 c6c93e58 c13cbf08 c13cbd04 c6c93e74 c6c93e68 <0>[ 70.516871] 3e60: c0c58f3c c13cbef0 c6c93e9c c6c93e78 c0c5943c c0c58f1c c0c5931c c69d6000 <0>[ 70.525342] 3e80: b6db1000 0000000a c517d180 c6c93f60 c6c93ec4 c6c93ea0 c07e29dc c0c59328 <0>[ 70.533815] 3ea0: 00000000 c69d6000 b6db1000 c290d000 c6c93f60 c07e2978 c6c93f5c c6c93ec8 <0>[ 70.542286] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c6c92000 <0>[ 70.550756] 3ee0: b6db1000 00020000 00000004 0000000a 0001fff6 c6c93ee0 00000001 b6db0000 <0>[ 70.559224] 3f00: c59fedc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 70.567696] 3f20: 00000000 00000000 c13e1300 98b3abbd c206c1a0 c69d6000 c69d6000 c6c92000 <0>[ 70.576165] 3f40: b6db1000 00000000 00000000 00000004 c6c93f94 c6c93f60 c059c9b0 c059c304 <0>[ 70.584635] 3f60: 00000000 00000000 c6c93fac 98b3abbd 0000000a 0000000a 7ff00000 00000004 <0>[ 70.593104] 3f80: c03002e4 c6c92000 c6c93fa4 c6c93f98 c059ca40 c059c948 00000000 c6c93fa8 <0>[ 70.601572] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6db1000 0000000a 00000001 <0>[ 70.610041] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db1000 00020000 0048fe38 <0>[ 70.618510] 3fe0: 00000004 bec557e8 b6e7733b b6df0616 60080030 00000001 00000000 00000000 <0>[ 70.626966] Backtrace: <0>[ 70.629729] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 70.638200] r7:c6c93f60 r6:0000000a r5:c473b000 r4:0000001f <0>[ 70.644163] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 70.652553] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 70.660865] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 70.669076] r9:c6c93f60 r8:c517d180 r7:0000000a r6:b6db1000 r5:c69d6000 r4:c0c5931c <0>[ 70.677130] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 70.685255] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6db1000 r5:c69d6000 r4:00000000 <0>[ 70.693295] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 70.700723] r10:00000004 r9:00000000 r8:00000000 r7:b6db1000 r6:c6c92000 r5:c69d6000 <0>[ 70.708835] r4:c69d6000 <0>[ 70.711670] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 70.719103] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 70.727147] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 70.735000] Exception stack(0xc6c93fa8 to 0xc6c93ff0) <0>[ 70.740346] 3fa0: 0000000a 0000000a 00000001 b6db1000 0000000a 00000001 <0>[ 70.748816] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db1000 00020000 0048fe38 <0>[ 70.757279] 3fe0: 00000004 bec557e8 b6e7733b b6df0616 <0>[ 70.762626] Code: 00000000 c2b1d9c0 c2b1da80 c2b1db40 (e1a0c00d) <4>[ 70.769016] ---[ end trace c88116889e02e42f ]--- # Segmentation fault # [ 70.348183] lkdtm: Performing direct entry EXEC_DATA # [ 70.353437] lkdtm: attempting ok execution at c0c59cac # [ 70.358965] lkdtm: attempting bad execution at c2706a28 # [ 70.364475] 8<--- cut here --- # [ 70.367810] Unable to handle kernel paging request at virtual address c2706a28 # [ 70.375318] pgd = 99b46b40 # [ 70.378312] [c2706a28] *pgd=1261141e(bad) # [ 70.382638] Internal error: Oops: 8000000d [#3] SMP ARM # [ 70.388149] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 70.420778] CPU: 0 PID: 1765 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 70.428806] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.435637] PC is at data_area+0x0/0x40 # [ 70.439774] LR is at execute_location+0xa4/0xb4 # [ 70.444590] pc : [] lr : [] psr: 60080013 # [ 70.451142] sp : c6c93e38 ip : 00000027 fp : c6c93e54 # [ 70.456654] r10: 0000000a r9 : c1ad6f48 r8 : c15ec020 # [ 70.462165] r7 : c6c93f60 r6 : 00000001 r5 : c2706a28 r4 : c0c59cac # [ 70.468976] r3 : 98b3abbd r2 : 98b3abbd r1 : ef7815e4 r0 : 0000002b # [ 70.475792] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.483215] Control: 10c5387d Table: 16df004a DAC: 00000051 # [ 70.489247] Process cat (pid: 1765, stack limit = 0xc07bd693) # [ 70.495280] Stack: (0xc6c93e38 to 0xc6c94000) # [ 70.499928] 3e20: 0000001f c473b000 # [ 70.508400] 3e40: 0000000a c6c93f60 c6c93e64 c6c93e58 c13cbf08 c13cbd04 c6c93e74 c6c93e68 # [ 70.516871] 3e60: c0c58f3c c13cbef0 c6c93e9c c6c93e78 c0c5943c c0c58f1c c0c5931c c69d6000 # [ 70.525342] 3e80: b6db1000 0000000a c517d180 c6c93f60 c6c93ec4 c6c93ea0 c07e29dc c0c59328 # [ 70.533815] 3ea0: 00000000 c69d6000 b6db1000 c290d000 c6c93f60 c07e2978 c6c93f5c c6c93ec8 # [ 70.542286] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c6c92000 # [ 70.550756] 3ee0: b6db1000 00020000 00000004 0000000a 0001fff6 c6c93ee0 00000001 b6db0000 # [ 70.559224] 3f00: c59fedc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.567696] 3f20: 00000000 00000000 c13e1300 98b3abbd c206c1a0 c69d6000 c69d6000 c6c92000 # [ 70.576165] 3f40: b6db1000 00000000 00000000 00000004 c6c93f94 c6c93f60 c059c9b0 c059c304 # [ 70.584635] 3f60: 00000000 00000000 c6c93fac 98b3abbd 0000000a 0000000a 7ff00000 00000004 # [ 70.593104] 3f80: c03002e4 c6c92000 c6c93fa4 c6c93f98 c059ca40 c059c948 00000000 c6c93fa8 # [ 70.601572] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6db1000 0000000a 00000001 # [ 70.610041] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db1000 00020000 0048fe38 # [ 70.618510] 3fe0: 00000004 bec557e8 b6e7733b b6df0616 60080030 00000001 00000000 00000000 # [ 70.626966] Backtrace: # [ 70.629729] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 70.638200] r7:c6c93f60 r6:0000000a r5:c473b000 r4:0000001f # [ 70.644163] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.652553] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.660865] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.669076] r9:c6c93f60 r8:c517d180 r7:0000000a r6:b6db1000 r5:c69d6000 r4:c0c5931c # [ 70.677130] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 70.685255] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6db1000 r5:c69d6000 r4:00000000 # [ 70.693295] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 70.700723] r10:00000004 r9:00000000 r8:00000000 r7:b6db1000 r6:c6c92000 r5:c69d6000 # [ 70.708835] r4:c69d6000 # [ 70.711670] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 70.719103] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 70.727147] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 70.735000] Exception stack(0xc6c93fa8 to 0xc6c93ff0) # [ 70.740346] 3fa0: 0000000a 0000000a 00000001 b6db1000 0000000a 00000001 # [ 70.748816] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db1000 00020000 0048fe38 # [ 70.757279] 3fe0: 00000004 bec557e8 b6e7733b b6df0616 # [ 70.762626] Code: 00000000 c2b1d9c0 c2b1da80 c2b1db40 (e1a0c00d) # [ 70.769016] ---[ end trace c88116889e02e42f ]--- # EXEC_DATA: m<6>[ 71.269771] lkdtm: Performing direct entry EXEC_STACK issing 'call trace:': [FAIL] not<6>[ 71.277920] lkdtm: attempting ok execution at c0c59cac ok 30 selftests: lkdtm: EXEC_DAT<6>[ 71.286262] lkdtm: attempting bad execution at c5f6be0c A.sh # exit=1 # selftests: lkdtm<1>[ 71.294498] 8<--- cut here --- : EXEC_STACs[h 71.300654] Unable to handle kernel paging request at virtual address c5f6be0c <1>[ 71.309612] pgd = 33a93d68 <1>[ 71.312587] [c5f6be0c] *pgd=15e1141e(bad) <0>[ 71.316878] Internal error: Oops: 8000000d [#4] SMP ARM <4>[ 71.322372] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 71.354724] CPU: 3 PID: 1842 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 71.362734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 71.369532] PC is at 0xc5f6be0c <4>[ 71.372949] LR is at execute_location+0xa4/0xb4 <4>[ 71.377746] pc : [] lr : [] psr: 60080013 <4>[ 71.384279] sp : c5f6bde8 ip : 00000027 fp : c5f6be04 <4>[ 71.389769] r10: 0000000b r9 : c1ad6f54 r8 : c15ec020 <4>[ 71.395261] r7 : c5f6bf60 r6 : 00000001 r5 : c5f6be0c r4 : c0c59cac <4>[ 71.402054] r3 : 994dd0e3 r2 : 994dd0e3 r1 : ef7c05e4 r0 : 0000002b <4>[ 71.408848] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 71.416250] Control: 10c5387d Table: 16ec004a DAC: 00000051 <0>[ 71.422263] Process cat (pid: 1842, stack limit = 0xd8074cfd) <0>[ 71.428275] Stack: (0xc5f6bde8 to 0xc5f6c000) <0>[ 71.432903] bde0: c5f6a000 c6ac3000 0000000b c5f6bf60 c5f6be64 c5f6be08 <0>[ 71.441349] be00: c13cbf44 c13cbd04 c5f6be6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 71.449797] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 <0>[ 71.458243] be40: e3a02040 e3a01d33 e5930018 994dd0e3 0000000b 00000020 c5f6be74 c5f6be68 <0>[ 71.466688] be60: c0c58f3c c13cbf18 c5f6be9c c5f6be78 c0c5943c c0c58f1c c0c5931c c59ff040 <0>[ 71.475134] be80: b6e4a000 0000000b c517d180 c5f6bf60 c5f6bec4 c5f6bea0 c07e29dc c0c59328 <0>[ 71.483583] bea0: 00000000 c59ff040 b6e4a000 c290d000 c5f6bf60 c07e2978 c5f6bf5c c5f6bec8 <0>[ 71.492030] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5f6a000 <0>[ 71.500478] bee0: b6e4a000 00020000 00000004 0000000b 0001fff5 c5f6bee0 00000001 b6e49000 <0>[ 71.508923] bf00: c47c3040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 71.517370] bf20: 00000000 00000000 c13e1300 994dd0e3 c206c1a0 c59ff040 c59ff040 c5f6a000 <0>[ 71.525817] bf40: b6e4a000 00000000 00000000 00000004 c5f6bf94 c5f6bf60 c059c9b0 c059c304 <0>[ 71.534263] bf60: 00000000 00000000 c5f6bfac 994dd0e3 0000000b 0000000b 7ff00000 00000004 <0>[ 71.542709] bf80: c03002e4 c5f6a000 c5f6bfa4 c5f6bf98 c059ca40 c059c948 00000000 c5f6bfa8 <0>[ 71.551156] bfa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e4a000 0000000b 00000001 <0>[ 71.559601] bfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e4a000 00020000 004afe38 <0>[ 71.568047] bfe0: 00000004 bead17e8 b6f1033b b6e89616 60080030 00000001 00000000 00000000 <0>[ 71.576488] Backtrace: <0>[ 71.579218] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 71.587751] r7:c5f6bf60 r6:0000000b r5:c6ac3000 r4:c5f6a000 <0>[ 71.593685] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.602127] r4:00000020 <0>[ 71.604931] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.613212] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.621400] r9:c5f6bf60 r8:c517d180 r7:0000000b r6:b6e4a000 r5:c59ff040 r4:c0c5931c <0>[ 71.629420] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.637519] r9:c07e2978 r8:c5f6bf60 r7:c290d000 r6:b6e4a000 r5:c59ff040 r4:00000000 <0>[ 71.645533] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.652937] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c5f6a000 r5:c59ff040 <0>[ 71.661031] r4:c59ff040 <0>[ 71.663836] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.671239] r9:c5f6a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 71.679254] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.687088] Exception stack(0xc5f6bfa8 to 0xc5f6bff0) <0>[ 71.692408] bfa0: 0000000b 0000000b 00000001 b6e4a000 0000000b 00000001 <0>[ 71.700854] bfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e4a000 00020000 004afe38 <0>[ 71.709299] bfe0: 00000004 bead17e8 b6f1033b b6e89616 <0>[ 71.714623] Code: c5f6be08 c13cbf44 c13cbd04 c5f6be6c (e1a0c00d) <4>[ 71.720988] ---[ end trace c88116889e02e430 ]--- # Segmentation fault # [ 71.269771] lkdtm: Performing direct entry EXEC_STACK # [ 71.277920] lkdtm: attempting ok execution at c0c59cac # [ 71.286262] lkdtm: attempting bad execution at c5f6be0c # [ 71.294498] 8<--- cut here --- # [ 71.300654] Unable to handle kernel paging request at virtual address c5f6be0c # [ 71.309612] pgd = 33a93d68 # [ 71.312587] [c5f6be0c] *pgd=15e1141e(bad) # [ 71.316878] Internal error: Oops: 8000000d [#4] SMP ARM # [ 71.322372] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 71.354724] CPU: 3 PID: 1842 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 71.362734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.369532] PC is at 0xc5f6be0c # [ 71.372949] LR is at execute_location+0xa4/0xb4 # [ 71.377746] pc : [] lr : [] psr: 60080013 # [ 71.384279] sp : c5f6bde8 ip : 00000027 fp : c5f6be04 # [ 71.389769] r10: 0000000b r9 : c1ad6f54 r8 : c15ec020 # [ 71.395261] r7 : c5f6bf60 r6 : 00000001 r5 : c5f6be0c r4 : c0c59cac # [ 71.402054] r3 : 994dd0e3 r2 : 994dd0e3 r1 : ef7c05e4 r0 : 0000002b # [ 71.408848] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.416250] Control: 10c5387d Table: 16ec004a DAC: 00000051 # [ 71.422263] Process cat (pid: 1842, stack limit = 0xd8074cfd) # [ 71.428275] Stack: (0xc5f6bde8 to 0xc5f6c000) # [ 71.432903] bde0: c5f6a000 c6ac3000 0000000b c5f6bf60 c5f6be64 c5f6be08 # [ 71.441349] be00: c13cbf44 c13cbd04 c5f6be6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 71.449797] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 # [ 71.458243] be40: e3a02040 e3a01d33 e5930018 994dd0e3 0000000b 00000020 c5f6be74 c5f6be68 # [ 71.466688] be60: c0c58f3c c13cbf18 c5f6be9c c5f6be78 c0c5943c c0c58f1c c0c5931c c59ff040 # [ 71.475134] be80: b6e4a000 0000000b c517d180 c5f6bf60 c5f6bec4 c5f6bea0 c07e29dc c0c59328 # [ 71.483583] bea0: 00000000 c59ff040 b6e4a000 c290d000 c5f6bf60 c07e2978 c5f6bf5c c5f6bec8 # [ 71.492030] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5f6a000 # [ 71.500478] bee0: b6e4a000 00020000 00000004 0000000b 0001fff5 c5f6bee0 00000001 b6e49000 # [ 71.508923] bf00: c47c3040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.517370] bf20: 00000000 00000000 c13e1300 994dd0e3 c206c1a0 c59ff040 c59ff040 c5f6a000 # [ 71.525817] bf40: b6e4a000 00000000 00000000 00000004 c5f6bf94 c5f6bf60 c059c9b0 c059c304 # [ 71.534263] bf60: 00000000 00000000 c5f6bfac 994dd0e3 0000000b 0000000b 7ff00000 00000004 # [ 71.542709] bf80: c03002e4 c5f6a000 c5f6bfa4 c5f6bf98 c059ca40 c059c948 00000000 c5f6bfa8 # [ 71.551156] bfa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e4a000 0000000b 00000001 # [ 71.559601] bfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e4a000 00020000 004afe38 # [ 71.568047] bfe0: 00000004 bead17e8 b6f1033b b6e89616 60080030 00000001 00000000 00000000 # [ 71.576488] Backtrace: # [ 71.579218] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 71.587751] r7:c5f6bf60 r6:0000000b r5:c6ac3000 r4:c5f6a000 # [ 71.593685] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.602127] r4:00000020 # [ 71.604931] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.613212] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.621400] r9:c5f6bf60 r8:c517d180 r7:0000000b r6:b6e4a000 r5:c59ff040 r4:c0c5931c # [ 71.629420] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.637519] r9:c07e2978 r8:c5f6bf60 r7:c290d000 r6:b6e4a000 r5:c59ff040 r4:00000000 # [ 71.645533] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.652937] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c5f6a000 r5:c59ff040 # [ 71.661031]<6>[ 72.199432] lkdtm: Performing direct entry EXEC_KMALLOC r4:c59ff040 # [ 71.663836] [<6>[ 72.205580] lkdtm: attempting ok execution at c0c59cac ] (ksys_writ [f r 72.213770] lkdtm: attempting bad execution at c5d2cb40 m [] (sys_write+0x18/0x<1>[ 72.221638] 8<--- cut here --- 1c) # [ 71.6712<319>][ r 972.227778] Unable to handle kernel paging request at virtual address c5d2cb40 c5f6a000 r8:c<013>0[0 2 e 47 2r.737429] pgd = 90b9586b :00000004 r6:7ff00000 r5:00000<01>[ 72.242307] [c5d2cb40] *pgd=15c1141e(bad) b r4:0000000b # [ < 0 >7[1 . 6 72.249271] Internal error: Oops: 8000000d [#5] SMP ARM 9254] [] (sys_write) fr<4>[ 72.256921] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 om [] (ret_s[t _ s72.291926] CPU: 1 PID: 1922 Comm: cat Tainted: G D W 5.10.218-cip49 #1 yscall+0x<04/>[0 x 2 87)2 . 3#0 2177] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 71.687088] Exct[i o n7 2.310705] PC is at 0xc5d2cb40 tack(0xc5f6bfa8 to 0xc<54f>6[b f 72.316194] LR is at execute_location+0xa4/0xb4 0) # [ <741>.[6 9 2 47028.]3 23319] pc : [] lr : [] psr: 60080013 fa0: <4 > [ 7 2 . 3 31669] sp : c5c5fe30 ip : c5c5fd38 fp : c5c5fe4c 0000000b< 40>0[0 0 0 0702b. 3030975] r10: 0000000d r9 : c1ad6f60 r8 : c15ec020 000001 b6e<44a>0[0 0 07020.03046195] r7 : c5c5ff60 r6 : 00000001 r5 : c5d2cb40 r4 : c0c59cac 0b 00000001 < 4#> [[ 7721..354805] r3 : ddad25b7 r2 : ddad25b7 r1 : ef7965e0 r0 : 0000002b 00854] bfc0: <040>0[0 0 0 702b. 363501] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000000b 7ff00<040>0[ 0 0 07020.072804] Control: 10c5387d Table: 147e004a DAC: 00000051 04 0000000<10 >b[6 e 4 a7020.03 80718] Process cat (pid: 1922, stack limit = 0x372c3b45) 0020000 0<004>a[f e 3 782 . 3#8 8545] Stack: (0xc5c5fe30 to 0xc5c60000) 71.709299] bfe0<:0 >0[0 0 0 072.394901] fe20: c5d2cb40 c40f7000 0000000d c5c5ff60 04 bead17e8 b6f1<003>3[b b 67e2.405508] fe40: c5c5fe64 c5c5fe50 c0c59cfc c13cbd04 00000021 c40f7000 c5c5fe74 c5c5fe68 9616 # [ 71.7<104>6[2 3 ] 7C2.416027] fe60: c0c58f3c c0c59cd0 c5c5fe9c c5c5fe78 c0c5943c c0c58f1c c0c5931c c47d6c80 de: c5f6be08 c13c4[4 c 173.426547] fe80: b6dfa000 0000000d c517d180 c5c5ff60 c5c5fec4 c5c5fea0 c07e29dc c0c59328 cbd04 c5f6be6c (a[0 c 0 07d2.437065] fea0: 00000000 c47d6c80 b6dfa000 c290d000 c5c5ff60 c07e2978 c5c5ff5c c5c5fec8 # [ 71.720988]< 0->-[- [ e2.447586] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c44aa6e4 c059c9b0 c5c5e000 nd trace c8811<608>8[9 e 0 27e24.458189] fee0: b6dfa000 00020000 00000004 0000000d 0001fff3 c5c5fee0 00000001 00000805 0 ]--- # EXES[T A C K7:2 .m68622] ff00: c692ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 issing 'call trac[' : [7F2.478968] ff20: 00000000 00000000 c5c5e000 ddad25b7 b6df9000 c47d6c80 c47d6c80 c5c5e000 IL] not ok 31 sele[s t s :72.489487] ff40: b6dfa000 00000000 00000000 00000004 c5c5ff94 c5c5ff60 c059c9b0 c059c304 lkdtm: EXEC_STACs[h # 7e2.500092] ff60: 00000000 00000000 c5c5ffac ddad25b7 0000000d 0000000d 7ff00000 00000004 it=1 # selftest [l k d t7m2.510611] ff80: c03002e4 c5c5e000 c5c5ffa4 c5c5ff98 c059ca40 c059c948 00000000 c5c5ffa8 EXEC_KMALLOC.s [ 72.521129] ffa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dfa000 0000000d 00000001 <0>[ 72.531127] ffc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dfa000 00020000 004ffe38 <0>[ 72.539574] ffe0: 00000004 be8a07e8 b6ec033b b6e39616 60080030 00000001 00000000 00000000 <0>[ 72.548015] Backtrace: <0>[ 72.550748] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 72.559457] r7:c5c5ff60 r6:0000000d r5:c40f7000 r4:c5d2cb40 <0>[ 72.565390] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.574007] r5:c40f7000 r4:00000021 <0>[ 72.577855] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.586134] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.594323] r9:c5c5ff60 r8:c517d180 r7:0000000d r6:b6dfa000 r5:c47d6c80 r4:c0c5931c <0>[ 72.602344] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 72.610442] r9:c07e2978 r8:c5c5ff60 r7:c290d000 r6:b6dfa000 r5:c47d6c80 r4:00000000 <0>[ 72.618455] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.625861] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c5c5e000 r5:c47d6c80 <0>[ 72.633954] r4:c47d6c80 <0>[ 72.636760] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.644165] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 72.652182] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.660017] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) <0>[ 72.665338] ffa0: 0000000d 0000000d 00000001 b6dfa000 0000000d 00000001 <0>[ 72.673784] ffc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dfa000 00020000 004ffe38 <0>[ 72.682229] ffe0: 00000004 be8a07e8 b6ec033b b6e39616 <0>[ 72.687551] Code: ee05fe18 03e7b9db fd283e16 effe920e (e1a0c00d) <4>[ 72.693915] ---[ end trace c88116889e02e431 ]--- # Segmentation fault # [ 72.199432] lkdtm: Performing direct entry EXEC_KMALLOC # [ 72.205580] lkdtm: attempting ok execution at c0c59cac # [ 72.213770] lkdtm: attempting bad execution at c5d2cb40 # [ 72.221638] 8<--- cut here --- # [ 72.227778] Unable to handle kernel paging request at virtual address c5d2cb40 # [ 72.237429] pgd = 90b9586b # [ 72.242307] [c5d2cb40] *pgd=15c1141e(bad) # [ 72.249271] Internal error: Oops: 8000000d [#5] SMP ARM # [ 72.256921] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 72.291926] CPU: 1 PID: 1922 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 72.302177] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.310705] PC is at 0xc5d2cb40 # [ 72.316194] LR is at execute_location+0xa4/0xb4 # [ 72.323319] pc : [] lr : [] psr: 60080013 # [ 72.331669] sp : c5c5fe30 ip : c5c5fd38 fp : c5c5fe4c # [ 72.338975] r10: 0000000d r9 : c1ad6f60 r8 : c15ec020 # [ 72.346195] r7 : c5c5ff60 r6 : 00000001 r5 : c5d2cb40 r4 : c0c59cac # [ 72.354805] r3 : ddad25b7 r2 : ddad25b7 r1 : ef7965e0 r0 : 0000002b # [ 72.363501] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.372804] Control: 10c5387d Table: 147e004a DAC: 00000051 # [ 72.380718] Process cat (pid: 1922, stack limit = 0x372c3b45) # [ 72.388545] Stack: (0xc5c5fe30 to 0xc5c60000) # [ 72.394901] fe20: c5d2cb40 c40f7000 0000000d c5c5ff60 # [ 72.405508] fe40: c5c5fe64 c5c5fe50 c0c59cfc c13cbd04 00000021 c40f7000 c5c5fe74 c5c5fe68 # [ 72.416027] fe60: c0c58f3c c0c59cd0 c5c5fe9c c5c5fe78 c0c5943c c0c58f1c c0c5931c c47d6c80 # [ 72.426547] fe80: b6dfa000 0000000d c517d180 c5c5ff60 c5c5fec4 c5c5fea0 c07e29dc c0c59328 # [ 72.437065] fea0: 00000000 c47d6c80 b6dfa000 c290d000 c5c5ff60 c07e2978 c5c5ff5c c5c5fec8 # [ 72.447586] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c44aa6e4 c059c9b0 c5c5e000 # [ 72.458189] fee0: b6dfa000 00020000 00000004 0000000d 0001fff3 c5c5fee0 00000001 00000805 # [ 72.468622] ff00: c692ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.478968] ff20: 00000000 00000000 c5c5e000 ddad25b7 b6df9000 c47d6c80 c47d6c80 c5c5e000 # [ 72.489487] ff40: b6dfa000 00000000 00000000 00000004 c5c5ff94 c5c5ff60 c059c9b0 c059c304 # [ 72.500092] ff60: 00000000 00000000 c5c5ffac ddad25b7 0000000d 0000000d 7ff00000 00000004 # [ 72.510611] ff80: c03002e4 c5c5e000 c5c5ffa4 c5c5ff98 c059ca40 c059c948 00000000 c5c5ffa8 # [ 72.521129] ffa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dfa000 0000000d 00000001 # [ 72.531127] ffc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dfa000 00020000 004ffe38 # [ 72.539574] ffe0: 00000004 be8a07e8 b6ec033b b6e39616 60080030 00000001 00000000 00000000 # [ 72.548015] Backtrace: # [ 72.550748] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 72.559457] r7:c5c5ff60 r6:0000000d r5:c40f7000 r4:c5d2cb40 # [ 72.565390] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.574007] r5:c40f7000 r4:00000021 # [ 72.577855] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.586134] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.594323] r9:c5c5ff60 r8:c517d180 r7:0000000d r6:b6dfa000 r5:c47d6c80 r4:c0c5931c # [ 72.602344] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 72.610442] r9:c07e2978 r8:c5c5ff60 r7:c290d000 r6:b6dfa000 r5:c47d6c80 r4:00000000 # [ 72.618455] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.625861] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c5c5e000 r5:c47d6c80 # [ 72.633954] r4:c47d6c80 # [ 72.636760] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 72.644165] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d # [ 72.652182] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 72.660017] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) # [ 72.665338] ffa0: 0000000d 0000000d 00000001 b6dfa000 0000000d 00000001 # [ 72.673784] ffc0<6>[ 73.188798] lkdtm: Performing direct entry EXEC_VMALLOC : 0000000d 0000000d 7ff00000 0000<6>[ 73.197450] lkdtm: attempting ok execution at c0c59cac 0004 00000001 b6dfa000 00020000 0<6>[ 73.205517] lkdtm: attempting bad execution at f09f4000 04ffe38 # [ 72.682229] ffe0: 0<1>[ 73.213845] 8<--- cut here --- 0000004 be8a07e8 b6ec033b b6e3961<1>[ 73.220201] Unable to handle kernel paging request at virtual address f09f4000 6 # [ 72.687551] Code: ee05fe1<1>[ 73.230509] pgd = 99b46b40 8 03e7b9db fd283e16 effe920e (e1a<1>[ 73.236369] [f09f4000] *pgd=12958811, *pte=4963865f, *ppte=4963845f 0c00d) # [ 72.693915] ---[ en<0>[ 73.245786] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 73.254095] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 73.286444] CPU: 0 PID: 2000 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 73.294454] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 73.301252] PC is at 0xf09f4000 <4>[ 73.304671] LR is at execute_location+0xa4/0xb4 <4>[ 73.309468] pc : [] lr : [] psr: 60080013 <4>[ 73.316001] sp : c6a11e30 ip : 00000027 fp : c6a11e4c <4>[ 73.321491] r10: 0000000d r9 : c1ad6f70 r8 : c15ec020 <4>[ 73.326982] r7 : c6a11f60 r6 : 00000001 r5 : f09f4000 r4 : c0c59cac <4>[ 73.333775] r3 : 398a2afa r2 : 398a2afa r1 : ef7815e4 r0 : 0000002b <4>[ 73.340570] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 73.347971] Control: 10c5387d Table: 16df004a DAC: 00000051 <0>[ 73.353985] Process cat (pid: 2000, stack limit = 0xf20234ce) <0>[ 73.359997] Stack: (0xc6a11e30 to 0xc6a12000) <0>[ 73.364623] 1e20: f09f4000 c473a000 0000000d c6a11f60 <0>[ 73.373069] 1e40: c6a11e64 c6a11e50 c0c59d30 c13cbd04 00000022 c473a000 c6a11e74 c6a11e68 <0>[ 73.381514] 1e60: c0c58f3c c0c59d14 c6a11e9c c6a11e78 c0c5943c c0c58f1c c0c5931c c4710dc0 <0>[ 73.389961] 1e80: b6dbb000 0000000d c517d180 c6a11f60 c6a11ec4 c6a11ea0 c07e29dc c0c59328 <0>[ 73.398408] 1ea0: 00000000 c4710dc0 b6dbb000 c290d000 c6a11f60 c07e2978 c6a11f5c c6a11ec8 <0>[ 73.406854] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c6a10000 <0>[ 73.415302] 1ee0: b6dbb000 00020000 00000004 0000000d 0001fff3 c6a11ee0 00000001 b6dba000 <0>[ 73.423747] 1f00: c6a23a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 73.432195] 1f20: 00000000 00000000 c13e1300 398a2afa c206c1a0 c4710dc0 c4710dc0 c6a10000 <0>[ 73.440641] 1f40: b6dbb000 00000000 00000000 00000004 c6a11f94 c6a11f60 c059c9b0 c059c304 <0>[ 73.449088] 1f60: 00000000 00000000 c6a11fac 398a2afa 0000000d 0000000d 7ff00000 00000004 <0>[ 73.457535] 1f80: c03002e4 c6a10000 c6a11fa4 c6a11f98 c059ca40 c059c948 00000000 c6a11fa8 <0>[ 73.465983] 1fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dbb000 0000000d 00000001 <0>[ 73.474430] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dbb000 00020000 0047fe38 <0>[ 73.482877] 1fe0: 00000004 beac57e8 b6e8133b b6dfa616 60080030 00000001 00000000 00000000 <0>[ 73.491317] Backtrace: <0>[ 73.494049] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 73.502758] r7:c6a11f60 r6:0000000d r5:c473a000 r4:f09f4000 <0>[ 73.508689] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 73.517307] r5:c473a000 r4:00000022 <0>[ 73.521153] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 73.529432] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 73.537621] r9:c6a11f60 r8:c517d180 r7:0000000d r6:b6dbb000 r5:c4710dc0 r4:c0c5931c <0>[ 73.545639] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 73.553738] r9:c07e2978 r8:c6a11f60 r7:c290d000 r6:b6dbb000 r5:c4710dc0 r4:00000000 <0>[ 73.561752] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.569157] r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6a10000 r5:c4710dc0 <0>[ 73.577250] r4:c4710dc0 <0>[ 73.580055] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.587459] r9:c6a10000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 73.595475] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.603309] Exception stack(0xc6a11fa8 to 0xc6a11ff0) <0>[ 73.608628] 1fa0: 0000000d 0000000d 00000001 b6dbb000 0000000d 00000001 <0>[ 73.617074] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dbb000 00020000 0047fe38 <0>[ 73.625517] 1fe0: 00000004 beac57e8 b6e8133b b6dfa616 <0>[ 73.630843] Code: bad PC value d trace c88116889e02e431 ]--- # <4>[ 73.634241] ---[ end trace c88116889e02e432 ]--- EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 73.188798] lkdtm: Performing direct entry EXEC_VMALLOC # [ 73.197450] lkdtm: attempting ok execution at c0c59cac # [ 73.205517] lkdtm: attempting bad execution at f09f4000 # [ 73.213845] 8<--- cut here --- # [ 73.220201] Unable to handle kernel paging request at virtual address f09f4000 # [ 73.230509] pgd = 99b46b40 # [ 73.236369] [f09f4000] *pgd=12958811, *pte=4963865f, *ppte=4963845f # [ 73.245786] Internal error: Oops: 8000000f [#6] SMP ARM # [ 73.254095] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 73.286444] CPU: 0 PID: 2000 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 73.294454] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.301252] PC is at 0xf09f4000 # [ 73.304671] LR is at execute_location+0xa4/0xb4 # [ 73.309468] pc : [] lr : [] psr: 60080013 # [ 73.316001] sp : c6a11e30 ip : 00000027 fp : c6a11e4c # [ 73.321491] r10: 0000000d r9 : c1ad6f70 r8 : c15ec020 # [ 73.326982] r7 : c6a11f60 r6 : 00000001 r5 : f09f4000 r4 : c0c59cac # [ 73.333775] r3 : 398a2afa r2 : 398a2afa r1 : ef7815e4 r0 : 0000002b # [ 73.340570] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.347971] Control: 10c5387d Table: 16df004a DAC: 00000051 # [ 73.353985] Process cat (pid: 2000, stack limit = 0xf20234ce) # [ 73.359997] Stack: (0xc6a11e30 to 0xc6a12000) # [ 73.364623] 1e20: f09f4000 c473a000 0000000d c6a11f60 # [ 73.373069] 1e40: c6a11e64 c6a11e50 c0c59d30 c13cbd04 00000022 c473a000 c6a11e74 c6a11e68 # [ 73.381514] 1e60: c0c58f3c c0c59d14 c6a11e9c c6a11e78 c0c5943c c0c58f1c c0c5931c c4710dc0 # [ 73.389961] 1e80: b6dbb000 0000000d c517d180 c6a11f60 c6a11ec4 c6a11ea0 c07e29dc c0c59328 # [ 73.398408] 1ea0: 00000000 c4710dc0 b6dbb000 c290d000 c6a11f60 c07e2978 c6a11f5c c6a11ec8 # [ 73.406854] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c6a10000 # [ 73.415302] 1ee0: b6dbb000 00020000 00000004 0000000d 0001fff3 c6a11ee0 00000001 b6dba000 # [ 73.423747] 1f00: c6a23a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.432195] 1f20: 00000000 00000000 c13e1300 398a2afa c206c1a0 c4710dc0 c4710dc0 c6a10000 # [ 73.440641] 1f40: b6dbb000 00000000 00000000 00000004 c6a11f94 c6a11f60 c059c9b0 c059c304 # [ 73.449088] 1f60: 00000000 00000000 c6a11fac 398a2afa 0000000d 0000000d 7ff00000 00000004 # [ 73.457535] 1f80: c03002e4 c6a10000 c6a11fa4 c6a11f98 c059ca40 c059c948 00000000 c6a11fa8 # [ 73.465983] 1fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dbb000 0000000d 00000001 # [ 73.474430] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dbb000 00020000 0047fe38 # [ 73.482877] 1fe0: 00000004 beac57e8 b6e8133b b6dfa616 60080030 00000001 00000000 00000000 # [ 73.491317] Backtrace: # [ 73.494049] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 73.502758] r7:c6a11f60 r6:0000000d r5:c473a000 r4:f09f4000 # [ 73.508689] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.517307] r5:c473a000 r4:00000022 # [ 73.521153] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.529432] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.537621] r9:c6a11f60 r8:c517d180 r7:0000000d r6:b6dbb000 r5:c4710dc0 r4:c0c5931c # [ 73.545639] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.553738] r9:c07e2978 r8:c6a11f60 r7:c290d000 r6:b6dbb000 r5:c4710dc0 r4:00000000 # [ 73.561752] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 73.569157] r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6a10000 r5:c4710dc0 # [ 73.577250] r4:c4710dc0 # [ 73.580055] [[ 74.101576] lkdtm: Performing direct entry EXEC_RODATA 59c93c>] (ksys_write) from [[ 74.107891] lkdtm: attempting ok execution at c0c59cac ca40>] (sys_write+0x18/0x1c) # [<6>[ 74.116291] lkdtm: attempting bad execution at c15ec2bc 73.587459] r9:c6a10000 r8:c03<1>[ 74.124461] 8<--- cut here --- 002e4 r7:00<010>[0 0 0 47 4r.61:30616] Unable to handle kernel paging request at virtual address c15ec2bc ff00000 r5:00<010>0[0 0 d 7r44.:39921] pgd = 6fde58fa 0000000d # [ 73.595475] <[1<>c 74.144797] [c15ec2bc] *pgd=1141941e(bad) 059ca28>] (sys_i[t e ) 7f4r151586] Internal error: Oops: 8000000d [#7] SMP ARM om [] (ret_fast_syscall<4>[ 74.159066] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 +0x0/0x28) # [ 7<34.>6[0 3 3 04.194069] CPU: 2 PID: 2078 Comm: cat Tainted: G D W 5.10.218-cip49 #1 9] Exception< 4s>t[ a c k7(40.x2c4236] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6a11fa8 to 0xc6a11ff0) # [ < 4 >[ 74.212855] PC is at lkdtm_rodata_do_nothing+0x0/0x10 3.608628] 1fa0: < 4> [ 74.220766] LR is at execute_location+0xa4/0xb4 0000000d< 40>0[0 0 0 0704d. 27978] pc : [] lr : [] psr: 60080013 00000001 b<64d>b[b 0 0 07 40.02036411] sp : c5c5fe38 ip : 00000027 fp : c5c5fe54 000d 000000<041> [ # 7[4 . 2 43717] r10: 0000000c r9 : c1ad6f80 r8 : c15ec020 3.617074] 1fc<04:> [0 0 0 07040.051023] r7 : c5c5ff60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59cac d 0000000d 7ff<040>0[0 0 07040.259719] r3 : c66a7679 r2 : c66a7679 r1 : ef7ab5e4 r0 : 0000002b 0004 00000001 b<64d>b[b 0 0 07 40268502] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0020000 0047f8[ # 7 4[. 277891] Control: 10c5387d Table: 16bc004a DAC: 00000051 73.625517] <10f>e[0 : 07040.0285804] Process cat (pid: 2078, stack limit = 0x372c3b45) 004 beac57e8 e[8 1 3 37b4 .b93720] Stack: (0xc5c5fe38 to 0xc5c60000) 6dfa616 # [ <703>.[6 3 0 87443300245] fe20: 00000023 c5cd2000 ] Code: bad PC valu [# [ 4.310679] fe40: 0000000c c5c5ff60 c5c5fe64 c5c5fe58 c13cbf84 c13cbd04 c5c5fe74 c5c5fe68 73.634241] ---[< 0e>n[d t r7a.321283] fe60: c0c58f3c c13cbf6c c5c5fe9c c5c5fe78 c0c5943c c0c58f1c c0c5931c c59a6a00 ce c88116889e02e43<20 >][- - - 74.331801] fe80: b6e34000 0000000c c517d180 c5c5ff60 c5c5fec4 c5c5fea0 c07e29dc c0c59328 # EXEC_VMALLOC: mii[n g '74.342406] fea0: 00000000 c59a6a00 b6e34000 c290d000 c5c5ff60 c07e2978 c5c5ff5c c5c5fec8 all trace:': [FAI [ n o t7 .353011] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5c5e000 ok 33 selftests: lt[m : 7E.363528] fee0: b6e34000 00020000 00000004 0000000c 0001fff4 c5c5fee0 00000001 b6e33000 XEC_VMALLOC.sh #< 0e>x[i t = 17 4.374045] ff00: c47d3a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # selftests: lkd:[ E X E7C4.384563] ff20: 00000000 00000000 c13e1300 c66a7679 c206c1a0 c59a6a00 c59a6a00 c5c5e000 RODATA.sh <0>[ 74.395081] ff40: b6e34000 00000000 00000000 00000004 c5c5ff94 c5c5ff60 c059c9b0 c059c304 <0>[ 74.404471] ff60: 00000000 00000000 c5c5ffac c66a7679 0000000c 0000000c 7ff00000 00000004 <0>[ 74.412917] ff80: c03002e4 c5c5e000 c5c5ffa4 c5c5ff98 c059ca40 c059c948 00000000 c5c5ffa8 <0>[ 74.421363] ffa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e34000 0000000c 00000001 <0>[ 74.429809] ffc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e34000 00020000 0049fe38 <0>[ 74.438255] ffe0: 00000004 befb37e8 b6efa33b b6e73616 60080030 00000001 00000000 00000000 <0>[ 74.446695] Backtrace: <0>[ 74.449424] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 74.458047] r7:c5c5ff60 r6:0000000c r5:c5cd2000 r4:00000023 <0>[ 74.463985] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.472522] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.480801] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.488990] r9:c5c5ff60 r8:c517d180 r7:0000000c r6:b6e34000 r5:c59a6a00 r4:c0c5931c <0>[ 74.497008] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.505108] r9:c07e2978 r8:c5c5ff60 r7:c290d000 r6:b6e34000 r5:c59a6a00 r4:00000000 <0>[ 74.513122] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.520528] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c5c5e000 r5:c59a6a00 <0>[ 74.528623] r4:c59a6a00 <0>[ 74.531429] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.538833] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 74.546848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.554682] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) <0>[ 74.560004] ffa0: 0000000c 0000000c 00000001 b6e34000 0000000c 00000001 <0>[ 74.568450] ffc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e34000 00020000 0049fe38 <0>[ 74.576895] ffe0: 00000004 befb37e8 b6efa33b b6e73616 <0>[ 74.582219] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 74.588587] ---[ end trace c88116889e02e433 ]--- # Segmentation fault # [ 74.101576] lkdtm: Performing direct entry EXEC_RODATA # [ 74.107891] lkdtm: attempting ok execution at c0c59cac # [ 74.116291] lkdtm: attempting bad execution at c15ec2bc # [ 74.124461] 8<--- cut here --- # [ 74.130616] Unable to handle kernel paging request at virtual address c15ec2bc # [ 74.139921] pgd = 6fde58fa # [ 74.144797] [c15ec2bc] *pgd=1141941e(bad) # [ 74.151586] Internal error: Oops: 8000000d [#7] SMP ARM # [ 74.159066] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 74.194069] CPU: 2 PID: 2078 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 74.204236] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.212855] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 74.220766] LR is at execute_location+0xa4/0xb4 # [ 74.227978] pc : [] lr : [] psr: 60080013 # [ 74.236411] sp : c5c5fe38 ip : 00000027 fp : c5c5fe54 # [ 74.243717] r10: 0000000c r9 : c1ad6f80 r8 : c15ec020 # [ 74.251023] r7 : c5c5ff60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59cac # [ 74.259719] r3 : c66a7679 r2 : c66a7679 r1 : ef7ab5e4 r0 : 0000002b # [ 74.268502] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.277891] Control: 10c5387d Table: 16bc004a DAC: 00000051 # [ 74.285804] Process cat (pid: 2078, stack limit = 0x372c3b45) # [ 74.293720] Stack: (0xc5c5fe38 to 0xc5c60000) # [ 74.300245] fe20: 00000023 c5cd2000 # [ 74.310679] fe40: 0000000c c5c5ff60 c5c5fe64 c5c5fe58 c13cbf84 c13cbd04 c5c5fe74 c5c5fe68 # [ 74.321283] fe60: c0c58f3c c13cbf6c c5c5fe9c c5c5fe78 c0c5943c c0c58f1c c0c5931c c59a6a00 # [ 74.331801] fe80: b6e34000 0000000c c517d180 c5c5ff60 c5c5fec4 c5c5fea0 c07e29dc c0c59328 # [ 74.342406] fea0: 00000000 c59a6a00 b6e34000 c290d000 c5c5ff60 c07e2978 c5c5ff5c c5c5fec8 # [ 74.353011] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5c5e000 # [ 74.363528] fee0: b6e34000 00020000 00000004 0000000c 0001fff4 c5c5fee0 00000001 b6e33000 # [ 74.374045] ff00: c47d3a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.384563] ff20: 00000000 00000000 c13e1300 c66a7679 c206c1a0 c59a6a00 c59a6a00 c5c5e000 # [ 74.395081] ff40: b6e34000 00000000 00000000 00000004 c5c5ff94 c5c5ff60 c059c9b0 c059c304 # [ 74.404471] ff60: 00000000 00000000 c5c5ffac c66a7679 0000000c 0000000c 7ff00000 00000004 # [ 74.412917] ff80: c03002e4 c5c5e000 c5c5ffa4 c5c5ff98 c059ca40 c059c948 00000000 c5c5ffa8 # [ 74.421363] ffa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e34000 0000000c 00000001 # [ 74.429809] ffc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e34000 00020000 0049fe38 # [ 74.438255] ffe0: 00000004 befb37e8 b6efa33b b6e73616 60080030 00000001 00000000 00000000 # [ 74.446695] Backtrace: # [ 74.449424] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 74.458047] r7:c5c5ff60 r6:0000000c r5:c5cd2000 r4:00000023 # [ 74.463985] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.472522] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.480801] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.488990] r9:c5c5ff60 r8:c517d180 r7:0000000c r6:b6e34000 r5:c59a6a00 r4:c0c5931c # [ 74.497008] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.505108] r9:c07e2978 r8:c5c5ff60 r7:c290d000 r6:b6e34000 r5:c59a6a00 r4:00000000 # [ 74.513122] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.520528] r10:00000004 r9:000000<6>[ 75.045822] lkdtm: Performing direct entry EXEC_USERSPACE 00 r8:00000000 r7:b6e34000 r6:c5c<6>[ 75.053598] lkdtm: attempting ok execution at c0c59cac 5e000 r5:c59a6a00 # [ 74.52862<6>[ 75.062075] lkdtm: attempting bad execution at b6fb5000 3] r4:c59a6a00 # [ 74.531429]<1>[ 75.070275] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fb5000 [] (ksys_write) from [<0>[ 75.080480] Internal error: : b [#8] SMP ARM ] (sys_write+0x18/0x1c)<4>[ 75.087874] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 74.538833] r9:c5c5e000 r4>[ 75.122889] CPU: 2 PID: 2155 Comm: cat Tainted: G D W 5.10.218-cip49 #1 8:c03002e4 r7:00000004 :[7 75.133668] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) f00000 r5:0000000c r4:0000000c <4>[ 75.142813] PC is at 0xb6fb5000 # [ 74.546848] [] (sy<4>[ 75.148921] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 s_write) from [] <(4r>e 75.156920] pc : [] lr : [] psr: 60080013 t_fast_syscall+0x0/<04x>2[8 ) 5.165967] sp : c4781e48 ip : c4781d50 fp : c4781e64 # [ 74.554682] Exct[i o n 75.173631] r10: 0000000f r9 : c1ad6f8c r8 : c15ec020 stack(0xc5c5ffa8 to< 40>x[c 5 c 55.181380] r7 : c4781f60 r6 : 0000000f r5 : c5b3c000 r4 : b6fb5000 fff0) # [ 74.560004<]4 >f[f a 75.190343] r3 : 7fe7d650 r2 : 7fe7d650 r1 : ef7ab5e0 r0 : 0000002b : 0000000c <040[ 75.199487] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000c 00000001 b6e34000< 40>0[0 75.209490] Control: 10c5387d Table: 147e404a DAC: 00000051 000c 00000001 # [ 74.5<06>8[4 75.217934] Process cat (pid: 2155, stack limit = 0x691c3bed) 0] ffc0: 0000000c 000<000>0[0 c 75.226375] Stack: (0xc4781e48 to 0xc4782000) 7ff00000 00000004 00000001 b6e3400>[ 75.233266] 1e40: 00000001 00000000 0000000f 00000024 c4781e74 c4781e68 00 00020000 0049fe38 # [ 74.570>[ 75.244485] 1e60: c0c58f3c c0c59d48 c4781e9c c4781e78 c0c5943c c0c58f1c c0c5931c c4721b80 6895] ffe0: 00000004 befb37e8 b6e<0>[ 75.255707] 1e80: b6e7a000 0000000f c517d180 c4781f60 c4781ec4 c4781ea0 c07e29dc c0c59328 fa33b b6e73616 # [ 74.582219] <0>[ 75.267015] 1ea0: 00000000 c4721b80 b6e7a000 c290d000 c4781f60 c07e2978 c4781f5c c4781ec8 Code: 5f727563 6e756f63 00000074 <0>[ 75.278323] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4780000 aa55aa55 (e1a0c00d) # [ 74<.0>[ 75.289628] 1ee0: b6e7a000 00020000 00000004 0000000f 0001fff1 c4781ee0 00000001 b6e79000 88587] ---[ end trace c8811688<90>[ 75.300763] 1f00: c47d2780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 02e433 ]--- # EXEC_RODATA: mis[ 75.311898] 1f20: 00000000 00000000 c13e1300 7fe7d650 c206c1a0 c4721b80 c4721b80 c4780000 ing 'call trace:': [FAIL] not [ 75.323033] 1f40: b6e7a000 00000000 00000000 00000004 c4781f94 c4781f60 c059c9b0 c059c304 k 34 selftests: lkdtm: EXEC_RO[ 75.334165] 1f60: 00000000 00000000 c4781fac 7fe7d650 0000000f 0000000f 7ff00000 00000004 TA.sh # exit=1 # selftests: lkd<0>[ 75.345301] 1f80: c03002e4 c4780000 c4781fa4 c4781f98 c059ca40 c059c948 00000000 c4781fa8 m: EXEC_USERSPACE.sh <0>[ 75.356519] 1fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e7a000 0000000f 00000001 <0>[ 75.366873] 1fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e7a000 00020000 0049fe38 <0>[ 75.375343] 1fe0: 00000004 be8cb7e8 b6f4033b b6eb9616 60080030 00000001 00000000 00000000 <0>[ 75.383799] Backtrace: <0>[ 75.386567] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.395377] r4:00000024 <0>[ 75.398209] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.406521] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.414736] r9:c4781f60 r8:c517d180 r7:0000000f r6:b6e7a000 r5:c4721b80 r4:c0c5931c <0>[ 75.422788] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.430911] r9:c07e2978 r8:c4781f60 r7:c290d000 r6:b6e7a000 r5:c4721b80 r4:00000000 <0>[ 75.438951] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.446379] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c4780000 r5:c4721b80 <0>[ 75.454492] r4:c4721b80 <0>[ 75.457325] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.464755] r9:c4780000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f <0>[ 75.472799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.480653] Exception stack(0xc4781fa8 to 0xc4781ff0) <0>[ 75.485996] 1fa0: 0000000f 0000000f 00000001 b6e7a000 0000000f 00000001 <0>[ 75.494466] 1fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e7a000 00020000 0049fe38 <0>[ 75.502932] 1fe0: 00000004 be8cb7e8 b6f4033b b6eb9616 <0>[ 75.508283] Code: bad PC value <4>[ 75.511636] ---[ end trace c88116889e02e434 ]--- # Segmentation fault # [ 75.045822] lkdtm: Performing direct entry EXEC_USERSPACE # [ 75.053598] lkdtm: attempting ok execution at c0c59cac # [ 75.062075] lkdtm: attempting bad execution at b6fb5000 # [ 75.070275] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fb5000 # [ 75.080480] Internal error: : b [#8] SMP ARM # [ 75.087874] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 75.122889] CPU: 2 PID: 2155 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 75.133668] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.142813] PC is at 0xb6fb5000 # [ 75.148921] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 75.156920] pc : [] lr : [] psr: 60080013 # [ 75.165967] sp : c4781e48 ip : c4781d50 fp : c4781e64 # [ 75.173631] r10: 0000000f r9 : c1ad6f8c r8 : c15ec020 # [ 75.181380] r7 : c4781f60 r6 : 0000000f r5 : c5b3c000 r4 : b6fb5000 # [ 75.190343] r3 : 7fe7d650 r2 : 7fe7d650 r1 : ef7ab5e0 r0 : 0000002b # [ 75.199487] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.209490] Control: 10c5387d Table: 147e404a DAC: 00000051 # [ 75.217934] Process cat (pid: 2155, stack limit = 0x691c3bed) # [ 75.226375] Stack: (0xc4781e48 to 0xc4782000) # [ 75.233266] 1e40: 00000001 00000000 0000000f 00000024 c4781e74 c4781e68 # [ 75.244485] 1e60: c0c58f3c c0c59d48 c4781e9c c4781e78 c0c5943c c0c58f1c c0c5931c c4721b80 # [ 75.255707] 1e80: b6e7a000 0000000f c517d180 c4781f60 c4781ec4 c4781ea0 c07e29dc c0c59328 # [ 75.267015] 1ea0: 00000000 c4721b80 b6e7a000 c290d000 c4781f60 c07e2978 c4781f5c c4781ec8 # [ 75.278323] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4780000 # [ 75.289628] 1ee0: b6e7a000 00020000 00000004 0000000f 0001fff1 c4781ee0 00000001 b6e79000 # [ 75.300763] 1f00: c47d2780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.311898] 1f20: 00000000 00000000 c13e1300 7fe7d650 c206c1a0 c4721b80 c4721b80 c4780000 # [ 75.323033] 1f40: b6e7a000 00000000 00000000 00000004 c4781f94 c4781f60 c059c9b0 c059c304 # [ 75.334165] 1f60: 00000000 00000000 c4781fac 7fe7d650 0000000f 0000000f 7ff00000 00000004 # [ 75.345301] 1f80: c03002e4 c4780000 c4781fa4 c4781f98 c059ca40 c059c948 00000000 c4781fa8 # [ 75.356519] 1fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e7a000 0000000f 00000001 # [ 75.366873] 1fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e7a000 00020000 0049fe38 # [ 75.375343] 1fe0: 00000004 be8cb7e8 b6f4033b b6eb9616 60080030 00000001 00000000 00000000 # [ 75.383799] Backtrace: # [ 75.386567] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.395377] r4:00000024 # [ 75.398209] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.406521] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.414736] r9:c4781f60 r8:c517d180 r7:0000000f r6:b6e7a000 r5:c4721b80 r4:c0c5931c # [ 75.422788] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.430911] r9:c07e2978 r8:c4781f60 r7:c290d000 r6:b6e7a000 r5:c4721b80 r4:00000000 # [ 75.438951] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.446379] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c4780000 r5:c4721b80 # [ 75.454492] r4:c4721b80 # [ 75.457325] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.464755] r9:c4780000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f # [ 75.472799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.480653] Exception stack(0xc4781fa8 to 0xc4781ff0) # [ 75.485996] 1fa0: 0000000f 0000000f 00000001 b6e7a000<6>[ 75.971171] lkdtm: Performing direct entry EXEC_NULL 0000000f 00000001 # [ 75.4944<6>[ 75.977443] lkdtm: attempting ok execution at c0c59cac 66] 1fc0: 0000000f 0000000f 7ff00<6>[ 75.985781] lkdtm: attempting bad execution at 00000000 000 00000004 00000001 b6e7a000 00<1>[ 75.994119] 8<--- cut here --- 020000 0049fe38 # [ 75.502932]<1>[ 76.000330] Unable to handle kernel NULL pointer dereference at virtual address 00000000 1fe0: 00000004 be8cb7e8 b6f4033b<1>[ 76.012892] pgd = 8f0128a2 b6eb9616 # [ 75.508283] Code:<1>[ 76.017459] [00000000] *pgd=00000000 bad PC value # [ 75.511636] -<0>[ 76.024134] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 76.032439] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 76.064789] CPU: 0 PID: 2227 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 76.072799] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 76.079597] PC is at 0x0 <4>[ 76.082406] LR is at execute_location+0xa4/0xb4 <4>[ 76.087205] pc : [<00000000>] lr : [] psr: 60080013 <4>[ 76.093738] sp : c46ede38 ip : 00000027 fp : c46ede54 <4>[ 76.099228] r10: 0000000a r9 : c1ad6f9c r8 : c15ec020 <4>[ 76.104720] r7 : c46edf60 r6 : 00000000 r5 : 00000000 r4 : c0c59cac <4>[ 76.111513] r3 : 10886950 r2 : 10886950 r1 : ef7815e4 r0 : 0000002b <4>[ 76.118308] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 76.125711] Control: 10c5387d Table: 15d0404a DAC: 00000051 <0>[ 76.131723] Process cat (pid: 2227, stack limit = 0xc36bda0a) <0>[ 76.137737] Stack: (0xc46ede38 to 0xc46ee000) <0>[ 76.142363] de20: 00000025 c6a50000 <0>[ 76.150810] de40: 0000000a c46edf60 c46ede64 c46ede58 c13cbfa8 c13cbd04 c46ede74 c46ede68 <0>[ 76.159257] de60: c0c58f3c c13cbf94 c46ede9c c46ede78 c0c5943c c0c58f1c c0c5931c c69d63c0 <0>[ 76.167704] de80: b6dac000 0000000a c517d180 c46edf60 c46edec4 c46edea0 c07e29dc c0c59328 <0>[ 76.176150] dea0: 00000000 c69d63c0 b6dac000 c290d000 c46edf60 c07e2978 c46edf5c c46edec8 <0>[ 76.184597] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c46ec000 <0>[ 76.193044] dee0: b6dac000 00020000 00000004 0000000a 0001fff6 c46edee0 00000001 b6dab000 <0>[ 76.201490] df00: c4721680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.209937] df20: 00000000 00000000 c13e1300 10886950 c206c1a0 c69d63c0 c69d63c0 c46ec000 <0>[ 76.218382] df40: b6dac000 00000000 00000000 00000004 c46edf94 c46edf60 c059c9b0 c059c304 <0>[ 76.226829] df60: 00000000 00000000 c46edfac 10886950 0000000a 0000000a 7ff00000 00000004 <0>[ 76.235275] df80: c03002e4 c46ec000 c46edfa4 c46edf98 c059ca40 c059c948 00000000 c46edfa8 <0>[ 76.243723] dfa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6dac000 0000000a 00000001 <0>[ 76.252169] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dac000 00020000 004ffe38 <0>[ 76.260616] dfe0: 00000004 bebe87e8 b6e7233b b6deb616 60080030 00000001 00000000 00000000 <0>[ 76.269056] Backtrace: <0>[ 76.271785] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 76.280234] r7:c46edf60 r6:0000000a r5:c6a50000 r4:00000025 <0>[ 76.286170] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.294533] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.302815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.311003] r9:c46edf60 r8:c517d180 r7:0000000a r6:b6dac000 r5:c69d63c0 r4:c0c5931c <0>[ 76.319022] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.327121] r9:c07e2978 r8:c46edf60 r7:c290d000 r6:b6dac000 r5:c69d63c0 r4:00000000 <0>[ 76.335137] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.342543] r10:00000004 r9:00000000 r8:00000000 r7:b6dac000 r6:c46ec000 r5:c69d63c0 <0>[ 76.350637] r4:c69d63c0 <0>[ 76.353442] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.360848] r9:c46ec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 76.368865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.376699] Exception stack(0xc46edfa8 to 0xc46edff0) <0>[ 76.382019] dfa0: 0000000a 0000000a 00000001 b6dac000 0000000a 00000001 <0>[ 76.390465] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dac000 00020000 004ffe38 <0>[ 76.398908] dfe0: 00000004 bebe87e8 b6e7233b b6deb616 <0>[ 76.404230] Code: bad PC value --[ end trace c88116889e02e434 ]-<4>[ 76.407622] ---[ end trace c88116889e02e435 ]--- -- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 75.971171] lkdtm: Performing direct entry EXEC_NULL # [ 75.977443] lkdtm: attempting ok execution at c0c59cac # [ 75.985781] lkdtm: attempting bad execution at 00000000 # [ 75.994119] 8<--- cut here --- # [ 76.000330] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 76.012892] pgd = 8f0128a2 # [ 76.017459] [00000000] *pgd=00000000 # [ 76.024134] Internal error: Oops: 80000005 [#9] SMP ARM # [ 76.032439] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 76.064789] CPU: 0 PID: 2227 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 76.072799] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.079597] PC is at 0x0 # [ 76.082406] LR is at execute_location+0xa4/0xb4 # [ 76.087205] pc : [<00000000>] lr : [] psr: 60080013 # [ 76.093738] sp : c46ede38 ip : 00000027 fp : c46ede54 # [ 76.099228] r10: 0000000a r9 : c1ad6f9c r8 : c15ec020 # [ 76.104720] r7 : c46edf60 r6 : 00000000 r5 : 00000000 r4 : c0c59cac # [ 76.111513] r3 : 10886950 r2 : 10886950 r1 : ef7815e4 r0 : 0000002b # [ 76.118308] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.125711] Control: 10c5387d Table: 15d0404a DAC: 00000051 # [ 76.131723] Process cat (pid: 2227, stack limit = 0xc36bda0a) # [ 76.137737] Stack: (0xc46ede38 to 0xc46ee000) # [ 76.142363] de20: 00000025 c6a50000 # [ 76.150810] de40: 0000000a c46edf60 c46ede64 c46ede58 c13cbfa8 c13cbd04 c46ede74 c46ede68 # [ 76.159257] de60: c0c58f3c c13cbf94 c46ede9c c46ede78 c0c5943c c0c58f1c c0c5931c c69d63c0 # [ 76.167704] de80: b6dac000 0000000a c517d180 c46edf60 c46edec4 c46edea0 c07e29dc c0c59328 # [ 76.176150] dea0: 00000000 c69d63c0 b6dac000 c290d000 c46edf60 c07e2978 c46edf5c c46edec8 # [ 76.184597] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c46ec000 # [ 76.193044] dee0: b6dac000 00020000 00000004 0000000a 0001fff6 c46edee0 00000001 b6dab000 # [ 76.201490] df00: c4721680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.209937] df20: 00000000 00000000 c13e1300 10886950 c206c1a0 c69d63c0 c69d63c0 c46ec000 # [ 76.218382] df40: b6dac000 00000000 00000000 00000004 c46edf94 c46edf60 c059c9b0 c059c304 # [ 76.226829] df60: 00000000 00000000 c46edfac 10886950 0000000a 0000000a 7ff00000 00000004 # [ 76.235275] df80: c03002e4 c46ec000 c46edfa4 c46edf98 c059ca40 c059c948 00000000 c46edfa8 # [ 76.243723] dfa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6dac000 0000000a 00000001 # [ 76.252169] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dac000 00020000 004ffe38 # [ 76.260616] dfe0: 00000004 bebe87e8 b6e7233b b6deb616 60080030 00000001 00000000 00000000 # [ 76.269056] Backtrace: # [ 76.271785] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 76.280234] r7:c46edf60 r6:0000000a r5:c6a50000 r4:00000025 # [ 76.286170] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.294533] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.302815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.311003] r9:c46edf60 r8:c517d180 r7:0000000a r6:b6dac000 r5:c69d63c0 r4:c0c5931c # [ 76.319022] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.327121] r9:c07e2978 r8:c46edf60 r7:c290d000 r6:b6dac000 r5:c69d63c0 r4:00000000 # [ 76.335137] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.342543] r10:00000004 r9:00000000 r8:00000000 r7:b6dac000 r6:c46ec000 r5:c69d63c0 # [ 76.350637] r4:c69d63c0 # [ 76.353442] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.360848] r9:c46ec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 76.368865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.376699] Exception stack(0xc46edfa8 to 0xc46edff0) # [ 76.382019] dfa0: 0000000a 0000000a 00000001 b6dac000 0000000a 00000001 # [ 76.390465] dfc0: 0000000a 00<6>[ 76.909539] lkdtm: Performing direct entry ACCESS_USERSPACE 00000a 7ff00000 00000004 00000001<6>[ 76.916629] lkdtm: attempting bad read at b6eec000 b6dac000 00020<010>0[ 0 0 47f6f924446] 8<--- cut here --- e38 # [ 7<61>.[3 9 8 97068.]9 9756] Unhandled fault: page domain fault (0x01b) at 0xb6eec000 dfe0: 00000004 bebe87e8 b<61e>7[2 76.938203] pgd = 85ae2059 33b b6deb616 # [ 76.404230] Co<1>[ 76.943601] [b6eec000] *pgd=4b816831 de: bad PC value # [ 76.407622<0>[ 76.950312] Internal error: : 1b [#10] SMP ARM ] ---[ end trace c88116889e02e435<4>[ 76.957873] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 ]--- # EXEC_NULL: missing 'call<4>[ 76.992883] CPU: 3 PID: 2304 Comm: cat Tainted: G D W 5.10.218-cip49 #1 trace:': [FAIL] not ok 36 [ 77.003740] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ftests: lkdtm: EXEC_NULL.sh # exi<4>[ 77.013149] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c t=1 # selftests: lkdtm: ACCESS_U4>[ 77.021480] LR is at 0x0 SERSPACE.sh <4>[ 77.027052] pc : [] lr : [<00000000>] psr: 60080013 <4>[ 77.034702] sp : c6c05e38 ip : 00000027 fp : c6c05e64 <4>[ 77.040212] r10: 00000011 r9 : c1ad6fa8 r8 : c15ec020 <4>[ 77.045722] r7 : c6c05f60 r6 : 00000051 r5 : c6c04000 r4 : b6eec000 <4>[ 77.052534] r3 : 179b70f2 r2 : 179b70f2 r1 : ef7c05e4 r0 : 00000026 <4>[ 77.059350] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.066771] Control: 10c5387d Table: 16f1804a DAC: 00000051 <0>[ 77.072803] Process cat (pid: 2304, stack limit = 0x73378e18) <0>[ 77.078832] Stack: (0xc6c05e38 to 0xc6c06000) <0>[ 77.083480] 5e20: 00000022 00000000 <0>[ 77.091955] 5e40: 00000000 179b70f2 c6c05e6c 00000026 c6ac0000 00000011 c6c05e74 c6c05e68 <0>[ 77.100426] 5e60: c0c58f3c c0c59e1c c6c05e9c c6c05e78 c0c5943c c0c58f1c c0c5931c c692f180 <0>[ 77.108897] 5e80: b6db1000 00000011 c517d180 c6c05f60 c6c05ec4 c6c05ea0 c07e29dc c0c59328 <0>[ 77.117368] 5ea0: 00000000 c692f180 b6db1000 c290d000 c6c05f60 c07e2978 c6c05f5c c6c05ec8 <0>[ 77.125838] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c6c04000 <0>[ 77.134307] 5ee0: b6db1000 00020000 00000004 00000011 0001ffef c6c05ee0 00000001 b6db0000 <0>[ 77.142775] 5f00: c47c2a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.151244] 5f20: 00000000 00000000 c13e1300 179b70f2 c206c1a0 c692f180 c692f180 c6c04000 <0>[ 77.159713] 5f40: b6db1000 00000000 00000000 00000004 c6c05f94 c6c05f60 c059c9b0 c059c304 <0>[ 77.168182] 5f60: 00000000 00000000 c6c05fac 179b70f2 00000011 00000011 7ff00000 00000004 <0>[ 77.176652] 5f80: c03002e4 c6c04000 c6c05fa4 c6c05f98 c059ca40 c059c948 00000000 c6c05fa8 <0>[ 77.185121] 5fa0: c03000c0 c059ca34 00000011 00000011 00000001 b6db1000 00000011 00000001 <0>[ 77.193591] 5fc0: 00000011 00000011 7ff00000 00000004 00000001 b6db1000 00020000 004cfe38 <0>[ 77.202061] 5fe0: 00000004 beb947e8 b6e7733b b6df0616 60080030 00000001 00000000 00000000 <0>[ 77.210518] Backtrace: <0>[ 77.213284] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.222275] r6:00000011 r5:c6ac0000 r4:00000026 <0>[ 77.227194] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.235506] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.243720] r9:c6c05f60 r8:c517d180 r7:00000011 r6:b6db1000 r5:c692f180 r4:c0c5931c <0>[ 77.251772] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.259897] r9:c07e2978 r8:c6c05f60 r7:c290d000 r6:b6db1000 r5:c692f180 r4:00000000 <0>[ 77.267937] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.275366] r10:00000004 r9:00000000 r8:00000000 r7:b6db1000 r6:c6c04000 r5:c692f180 <0>[ 77.283478] r4:c692f180 <0>[ 77.286308] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.293737] r9:c6c04000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 <0>[ 77.301781] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.309632] Exception stack(0xc6c05fa8 to 0xc6c05ff0) <0>[ 77.314976] 5fa0: 00000011 00000011 00000001 b6db1000 00000011 00000001 <0>[ 77.323446] 5fc0: 00000011 00000011 7ff00000 00000004 00000001 b6db1000 00020000 004cfe38 <0>[ 77.331910] 5fe0: 00000004 beb947e8 b6e7733b b6df0616 <0>[ 77.337256] Code: e1a01004 e3070ecc e34c01ad eb1d9be4 (e5943000) <4>[ 77.343644] ---[ end trace c88116889e02e436 ]--- # Segmentation fault # [ 76.909539] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 76.916629] lkdtm: attempting bad read at b6eec000 # [ 76.924446] 8<--- cut here --- # [ 76.929756] Unhandled fault: page domain fault (0x01b) at 0xb6eec000 # [ 76.938203] pgd = 85ae2059 # [ 76.943601] [b6eec000] *pgd=4b816831 # [ 76.950312] Internal error: : 1b [#10] SMP ARM # [ 76.957873] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 76.992883] CPU: 3 PID: 2304 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 77.003740] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.013149] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 77.021480] LR is at 0x0 # [ 77.027052] pc : [] lr : [<00000000>] psr: 60080013 # [ 77.034702] sp : c6c05e38 ip : 00000027 fp : c6c05e64 # [ 77.040212] r10: 00000011 r9 : c1ad6fa8 r8 : c15ec020 # [ 77.045722] r7 : c6c05f60 r6 : 00000051 r5 : c6c04000 r4 : b6eec000 # [ 77.052534] r3 : 179b70f2 r2 : 179b70f2 r1 : ef7c05e4 r0 : 00000026 # [ 77.059350] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.066771] Control: 10c5387d Table: 16f1804a DAC: 00000051 # [ 77.072803] Process cat (pid: 2304, stack limit = 0x73378e18) # [ 77.078832] Stack: (0xc6c05e38 to 0xc6c06000) # [ 77.083480] 5e20: 00000022 00000000 # [ 77.091955] 5e40: 00000000 179b70f2 c6c05e6c 00000026 c6ac0000 00000011 c6c05e74 c6c05e68 # [ 77.100426] 5e60: c0c58f3c c0c59e1c c6c05e9c c6c05e78 c0c5943c c0c58f1c c0c5931c c692f180 # [ 77.108897] 5e80: b6db1000 00000011 c517d180 c6c05f60 c6c05ec4 c6c05ea0 c07e29dc c0c59328 # [ 77.117368] 5ea0: 00000000 c692f180 b6db1000 c290d000 c6c05f60 c07e2978 c6c05f5c c6c05ec8 # [ 77.125838] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c6c04000 # [ 77.134307] 5ee0: b6db1000 00020000 00000004 00000011 0001ffef c6c05ee0 00000001 b6db0000 # [ 77.142775] 5f00: c47c2a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.151244] 5f20: 00000000 00000000 c13e1300 179b70f2 c206c1a0 c692f180 c692f180 c6c04000 # [ 77.159713] 5f40: b6db1000 00000000 00000000 00000004 c6c05f94 c6c05f60 c059c9b0 c059c304 # [ 77.168182] 5f60: 00000000 00000000 c6c05fac 179b70f2 00000011 00000011 7ff00000 00000004 # [ 77.176652] 5f80: c03002e4 c6c04000 c6c05fa4 c6c05f98 c059ca40 c059c948 00000000 c6c05fa8 # [ 77.185121] 5fa0: c03000c0 c059ca34 00000011 00000011 00000001 b6db1000 00000011 00000001 # [ 77.193591] 5fc0: 00000011 00000011 7ff00000 00000004 00000001 b6db1000 00020000 004cfe38 # [ 77.202061] 5fe0: 00000004 beb947e8 b6e7733b b6df0616 60080030 00000001 00000000 00000000 # [ 77.210518] Backtrace: # [ 77.213284] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.222275] r6:00000011 r5:c6ac0000 r4:00000026 # [ 77.227194] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.235506] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.243720] r9:c6c05f60 r8:c517d180 r7:00000011 r6:b6db1000 r5:c692f180 r4:c0c5931c # [ 77.251772] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.259897] r9:c07e2978 r8:c6c05f60 r7:c290d000 r6:b6db1000 r5:c692f180 r4:00000000 # [ 77.267937] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.275366] r10:00000004 r9:00000000 r8:00000000 r7:b6db1000 r6:c6c04000 r5:c692f180 # [ 77.283478] r4:c692f180 # [ 77.286308] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.293737] r9:c6c04000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 # [ 77.301781] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.309632] Exception stack(0xc6c05fa8 to 0xc6c05ff0) # [ 77.314976] 5fa0: 00000011 00000011 00000001 b6db1000 00000011 00000001 # [ 77.323446] 5fc0: 00000011 00000011 7ff00000 000000<6>[ 77.854144] lkdtm: Performing direct entry ACCESS_NULL 04 00000001 b6db1000 00020000 004<6>[ 77.861490] lkdtm: attempting bad read at 00000000 cfe38 # [ 77.331910] 5fe0: 000<1>[ 77.869393] 8<--- cut here --- 00004 beb947e8 b6e7733b b6df0616 <1>[ 77.875555] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 77.337256] Code: e1a01004 <1>[ 77.886788] pgd = 33c6a19a e3070ecc e34c01ad eb1d9be4 (e594<1>[ 77.892567] [00000000] *pgd=00000000 000) # [ 77.343644] ---[ end <0>[ 77.899240] Internal error: Oops: 5 [#11] SMP ARM trace c88116889e02e436 ]--- # AC<4>[ 77.907019] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 CESS_USERSPACE: missi [' c a77.942026] CPU: 1 PID: 2380 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ll trace:': <[4F>A[I L ] 7 7n.o952278] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ok 37 selftests: lkdtm: ACCE1[ # 7.968462] LR is at __irq_work_queue_local+0x40/0x74 selftests: lkm[: A C7C7E.S75936] pc : [] lr : [] psr: 60080013 S_NULL.sh <4>[ 77.984372] sp : c4743e50 ip : c4743d58 fp : c4743e64 <4>[ 77.990808] r10: 0000000c r9 : c1ad6fbc r8 : c15ec020 <4>[ 77.996299] r7 : c4743f60 r6 : 0000000c r5 : c5ae3000 r4 : 00000000 <4>[ 78.003093] r3 : 61701411 r2 : 61701411 r1 : ef7965e0 r0 : 00000026 <4>[ 78.009888] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.017288] Control: 10c5387d Table: 15c6404a DAC: 00000051 <0>[ 78.023302] Process cat (pid: 2380, stack limit = 0xfc110b63) <0>[ 78.029315] Stack: (0xc4743e50 to 0xc4744000) <0>[ 78.033940] 3e40: 00000027 c5ae3000 c4743e74 c4743e68 <0>[ 78.042387] 3e60: c0c58f3c c13cbfb8 c4743e9c c4743e78 c0c5943c c0c58f1c c0c5931c c47c2780 <0>[ 78.050833] 3e80: b6e5d000 0000000c c517d180 c4743f60 c4743ec4 c4743ea0 c07e29dc c0c59328 <0>[ 78.059280] 3ea0: 00000000 c47c2780 b6e5d000 c290d000 c4743f60 c07e2978 c4743f5c c4743ec8 <0>[ 78.067729] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4742000 <0>[ 78.076176] 3ee0: b6e5d000 00020000 00000004 0000000c 0001fff4 c4743ee0 00000001 b6e5c000 <0>[ 78.084623] 3f00: c47d3040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.093071] 3f20: 00000000 00000000 c13e1300 61701411 c206c1a0 c47c2780 c47c2780 c4742000 <0>[ 78.101517] 3f40: b6e5d000 00000000 00000000 00000004 c4743f94 c4743f60 c059c9b0 c059c304 <0>[ 78.109963] 3f60: 00000000 00000000 c4743fac 61701411 0000000c 0000000c 7ff00000 00000004 <0>[ 78.118409] 3f80: c03002e4 c4742000 c4743fa4 c4743f98 c059ca40 c059c948 00000000 c4743fa8 <0>[ 78.126856] 3fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e5d000 0000000c 00000001 <0>[ 78.135302] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e5d000 00020000 004efe38 <0>[ 78.143748] 3fe0: 00000004 befd77e8 b6f2333b b6e9c616 60080030 00000001 00000000 00000000 <0>[ 78.152190] Backtrace: <0>[ 78.154921] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.163453] r5:c5ae3000 r4:00000027 <0>[ 78.167300] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.175581] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.183768] r9:c4743f60 r8:c517d180 r7:0000000c r6:b6e5d000 r5:c47c2780 r4:c0c5931c <0>[ 78.191788] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.199889] r9:c07e2978 r8:c4743f60 r7:c290d000 r6:b6e5d000 r5:c47c2780 r4:00000000 <0>[ 78.207903] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.215309] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c4742000 r5:c47c2780 <0>[ 78.223404] r4:c47c2780 <0>[ 78.226210] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.233616] r9:c4742000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 78.241633] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.249468] Exception stack(0xc4743fa8 to 0xc4743ff0) <0>[ 78.254790] 3fa0: 0000000c 0000000c 00000001 b6e5d000 0000000c 00000001 <0>[ 78.263235] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e5d000 00020000 004efe38 <0>[ 78.271680] 3fe0: 00000004 befd77e8 b6f2333b b6e9c616 <0>[ 78.277002] Code: e3070ecc e34c01ad e1a01004 ebffd3b8 (e5945000) <4>[ 78.283444] ---[ end trace c88116889e02e437 ]--- # Segmentation fault # [ 77.854144] lkdtm: Performing direct entry ACCESS_NULL # [ 77.861490] lkdtm: attempting bad read at 00000000 # [ 77.869393] 8<--- cut here --- # [ 77.875555] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 77.886788] pgd = 33c6a19a # [ 77.892567] [00000000] *pgd=00000000 # [ 77.899240] Internal error: Oops: 5 [#11] SMP ARM # [ 77.907019] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 77.942026] CPU: 1 PID: 2380 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 77.952278] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.960988] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 77.968462] LR is at __irq_work_queue_local+0x40/0x74 # [ 77.975936] pc : [] lr : [] psr: 60080013 # [ 77.984372] sp : c4743e50 ip : c4743d58 fp : c4743e64 # [ 77.990808] r10: 0000000c r9 : c1ad6fbc r8 : c15ec020 # [ 77.996299] r7 : c4743f60 r6 : 0000000c r5 : c5ae3000 r4 : 00000000 # [ 78.003093] r3 : 61701411 r2 : 61701411 r1 : ef7965e0 r0 : 00000026 # [ 78.009888] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.017288] Control: 10c5387d Table: 15c6404a DAC: 00000051 # [ 78.023302] Process cat (pid: 2380, stack limit = 0xfc110b63) # [ 78.029315] Stack: (0xc4743e50 to 0xc4744000) # [ 78.033940] 3e40: 00000027 c5ae3000 c4743e74 c4743e68 # [ 78.042387] 3e60: c0c58f3c c13cbfb8 c4743e9c c4743e78 c0c5943c c0c58f1c c0c5931c c47c2780 # [ 78.050833] 3e80: b6e5d000 0000000c c517d180 c4743f60 c4743ec4 c4743ea0 c07e29dc c0c59328 # [ 78.059280] 3ea0: 00000000 c47c2780 b6e5d000 c290d000 c4743f60 c07e2978 c4743f5c c4743ec8 # [ 78.067729] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4742000 # [ 78.076176] 3ee0: b6e5d000 00020000 00000004 0000000c 0001fff4 c4743ee0 00000001 b6e5c000 # [ 78.084623] 3f00: c47d3040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.093071] 3f20: 00000000 00000000 c13e1300 61701411 c206c1a0 c47c2780 c47c2780 c4742000 # [ 78.101517] 3f40: b6e5d000 00000000 00000000 00000004 c4743f94 c4743f60 c059c9b0 c059c304 # [ 78.109963] 3f60: 00000000 00000000 c4743fac 61701411 0000000c 0000000c 7ff00000 00000004 # [ 78.118409] 3f80: c03002e4 c4742000 c4743fa4 c4743f98 c059ca40 c059c948 00000000 c4743fa8 # [ 78.126856] 3fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e5d000 0000000c 00000001 # [ 78.135302] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e5d000 00020000 004efe38 # [ 78.143748] 3fe0: 00000004 befd77e8 b6f2333b b6e9c616 60080030 00000001 00000000 00000000 # [ 78.152190] Backtrace: # [ 78.154921] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.163453] r5:c5ae3000 r4:00000027 # [ 78.167300] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.175581] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.183768] r9:c4743f60 r8:c517d180 r7:0000000c r6:b6e5d000 r5:c47c2780 r4:c0c5931c # [ 78.191788] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.199889] r9:c07e2978 r8:c4743f60 r7:c290d000 r6:b6e5d000 r5:c47c2780 r4:00000000 # [ 78.207903] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.215309] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c4742000 r5:c47c2780 # [ 78.223404] r4:c47c2780 # [ 78.226210] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.233616] r9:c4742000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c<6>[ 78.742254] lkdtm: Performing direct entry WRITE_RO r4:0000000c # [ 78.241633] [<<6>[ 78.747974] lkdtm: attempting bad rodata write at c15ec2b8 c059ca28>] (sys_write) from [[ 78.756522] 8<--- cut here --- 000c0>] (ret_s[t _ s y7s8c.a62647] Unable to handle kernel paging request at virtual address c15ec2b8 ll+0x0/0x28) # [ 78.<214>9[4 6 78.772050] pgd = ed123a97 8] Exception stack(0xc4743fa8 to <1>[ 78.777367] [c15ec2b8] *pgd=1141941e(bad) 0xc4743ff0) # [ 78.254790] 3f<0>[ 78.784519] Internal error: Oops: 80d [#12] SMP ARM 0: 0000000c 000<4>[ 78.792433] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 0000c 00000001 b6e5d000 0000000c 4>[ 78.827450] CPU: 2 PID: 2455 Comm: cat Tainted: G D W 5.10.218-cip49 #1 00000001 # [ 78.<246>3[2 3 5 ]8.838229] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 3fc0: 0000000c 0000000c 7ff00000<4>[ 78.847213] PC is at lkdtm_WRITE_RO+0x44/0x50 00000004 00000001 b6e5d000 0002<4>[ 78.854692] LR is at __irq_work_queue_local+0x40/0x74 000 004efe38 # [ 78<.42>7[1 6 78.862780] pc : [] lr : [] psr: 60080013 0] 3fe0: 00000004 bef7[e 8 78.871655] sp : c5f6be50 ip : c5f6bd58 fp : c5f6be64 b6f2333b b6e9c616 # [<4 > [ 7 878.879404] r10: 00000009 r9 : c1ad6fc8 r8 : c15ec020 .277002] Code: e3070e [e 3 478.887153] r7 : c5f6bf60 r6 : 00000009 r5 : c5f0b000 r4 : c15ec2b8 c01ad e1a01004 ebffd3 [( e 578.896204] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad7dcc 94500<40>)[ #7 8[. 9 0 572860] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 283444] ---[ end trace 8[1 1 78.914241] Control: 10c5387d Table: 16e1004a DAC: 00000051 6889e02e437 ]--- # ACCE_[N 78.922595] Process cat (pid: 2455, stack limit = 0xd8074cfd) LL: missing 'call trace<:0'>:[ [ 78.931038] Stack: (0xc5f6be50 to 0xc5f6c000) FAIL] not ok 38 selftests: lkd[ 78.938012] be40: 00000028 c5f0b000 c5f6be74 c5f6be68 m: ACCESS_NULL.sh # exit=1 # sel<0>[ 78.949148] be60: c0c58f3c c13cbdb8 c5f6be9c c5f6be78 c0c5943c c0c58f1c c0c5931c c4721400 ftests: lkdtm: WRITE_RO.sh <0>[ 78.960456] be80: b6e48000 00000009 c517d180 c5f6bf60 c5f6bec4 c5f6bea0 c07e29dc c0c59328 <0>[ 78.971329] bea0: 00000000 c4721400 b6e48000 c290d000 c5f6bf60 c07e2978 c5f6bf5c c5f6bec8 <0>[ 78.979800] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5f6a000 <0>[ 78.988270] bee0: b6e48000 00020000 00000004 00000009 0001fff7 c5f6bee0 00000001 b6e47000 <0>[ 78.996738] bf00: c4710500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.005209] bf20: 00000000 00000000 c13e1300 c650f0ef c206c1a0 c4721400 c4721400 c5f6a000 <0>[ 79.013679] bf40: b6e48000 00000000 00000000 00000004 c5f6bf94 c5f6bf60 c059c9b0 c059c304 <0>[ 79.022148] bf60: 00000000 00000000 c5f6bfac c650f0ef 00000009 00000009 7ff00000 00000004 <0>[ 79.030618] bf80: c03002e4 c5f6a000 c5f6bfa4 c5f6bf98 c059ca40 c059c948 00000000 c5f6bfa8 <0>[ 79.039086] bfa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e48000 00000009 00000001 <0>[ 79.047557] bfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e48000 00020000 004ffe38 <0>[ 79.056026] bfe0: 00000004 bec237e8 b6f0e33b b6e87616 60080030 00000001 00000000 00000000 <0>[ 79.064482] Backtrace: <0>[ 79.067251] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.075542] r5:c5f0b000 r4:00000028 <0>[ 79.079418] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.087729] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.095942] r9:c5f6bf60 r8:c517d180 r7:00000009 r6:b6e48000 r5:c4721400 r4:c0c5931c <0>[ 79.103994] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.112118] r9:c07e2978 r8:c5f6bf60 r7:c290d000 r6:b6e48000 r5:c4721400 r4:00000000 <0>[ 79.120158] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.127587] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c5f6a000 r5:c4721400 <0>[ 79.135698] r4:c4721400 <0>[ 79.138529] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.145958] r9:c5f6a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 <0>[ 79.154001] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.161854] Exception stack(0xc5f6bfa8 to 0xc5f6bff0) <0>[ 79.167196] bfa0: 00000009 00000009 00000001 b6e48000 00000009 00000001 <0>[ 79.175667] bfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e48000 00020000 004ffe38 <0>[ 79.184131] bfe0: 00000004 bec237e8 b6f0e33b b6e87616 <0>[ 79.189477] Code: e34a3bcd e3070dcc e34c01ad e0233002 (e5843000) <4>[ 79.195865] ---[ end trace c88116889e02e438 ]--- # Segmentation fault # [ 78.742254] lkdtm: Performing direct entry WRITE_RO # [ 78.747974] lkdtm: attempting bad rodata write at c15ec2b8 # [ 78.756522] 8<--- cut here --- # [ 78.762647] Unable to handle kernel paging request at virtual address c15ec2b8 # [ 78.772050] pgd = ed123a97 # [ 78.777367] [c15ec2b8] *pgd=1141941e(bad) # [ 78.784519] Internal error: Oops: 80d [#12] SMP ARM # [ 78.792433] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 78.827450] CPU: 2 PID: 2455 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 78.838229] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.847213] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 78.854692] LR is at __irq_work_queue_local+0x40/0x74 # [ 78.862780] pc : [] lr : [] psr: 60080013 # [ 78.871655] sp : c5f6be50 ip : c5f6bd58 fp : c5f6be64 # [ 78.879404] r10: 00000009 r9 : c1ad6fc8 r8 : c15ec020 # [ 78.887153] r7 : c5f6bf60 r6 : 00000009 r5 : c5f0b000 r4 : c15ec2b8 # [ 78.896204] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad7dcc # [ 78.905260] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.914241] Control: 10c5387d Table: 16e1004a DAC: 00000051 # [ 78.922595] Process cat (pid: 2455, stack limit = 0xd8074cfd) # [ 78.931038] Stack: (0xc5f6be50 to 0xc5f6c000) # [ 78.938012] be40: 00000028 c5f0b000 c5f6be74 c5f6be68 # [ 78.949148] be60: c0c58f3c c13cbdb8 c5f6be9c c5f6be78 c0c5943c c0c58f1c c0c5931c c4721400 # [ 78.960456] be80: b6e48000 00000009 c517d180 c5f6bf60 c5f6bec4 c5f6bea0 c07e29dc c0c59328 # [ 78.971329] bea0: 00000000 c4721400 b6e48000 c290d000 c5f6bf60 c07e2978 c5f6bf5c c5f6bec8 # [ 78.979800] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5f6a000 # [ 78.988270] bee0: b6e48000 00020000 00000004 00000009 0001fff7 c5f6bee0 00000001 b6e47000 # [ 78.996738] bf00: c4710500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.005209] bf20: 00000000 00000000 c13e1300 c650f0ef c206c1a0 c4721400 c4721400 c5f6a000 # [ 79.013679] bf40: b6e48000 00000000 00000000 00000004 c5f6bf94 c5f6bf60 c059c9b0 c059c304 # [ 79.022148] bf60: 00000000 00000000 c5f6bfac c650f0ef 00000009 00000009 7ff00000 00000004 # [ 79.030618] bf80: c03002e4 c5f6a000 c5f6bfa4 c5f6bf98 c059ca40 c059c948 00000000 c5f6bfa8 # [ 79.039086] bfa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e48000 00000009 00000001 # [ 79.047557] bfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e48000 00020000 004ffe38 # [ 79.056026] bfe0: 00000004 bec237e8 b6f0e33b b6e87616 60080030 00000001 00000000 00000000 # [ 79.064482] Backtrace: # [ 79.067251] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.075542] r5:c5f0b000 r4:00000028 # [ 79.079418] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.087729] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.095942] r9:c5f6bf60 r8:c517d180 r7:00000009 r6:b6e48000 r5:c4721400 r4:c0c5931c # [ 79.103994] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.112118] r9:c07e2978 r8:c5f6bf60 r7:c290d000 r6:b6e48000 r5:c4721400 r4:00000000 # [ 79.120158] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.127587] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c5f6a000 r5:c4721400 # [ 79.135698] r4:c4721400 # [ 79.138529] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.145958] r9:c5f6a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 # [ 79.154001] [[ 79.679521] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 59ca28>] (sys_write) from [[ 79.687218] lkdtm: attempting bad ro_after_init write at c1b8ac74 0c0>] (ret_fast_syscall+0x0/0x28)<1>[ 79.696435] 8<--- cut here --- <1>[ 79.702574] Unable to handle kernel paging request at virtual address c1b8ac74 <1>[ 79.710077] pgd = 17117402 <1>[ 79.713069] [c1b8ac74] *pgd=11a1941e(bad) <0>[ 79.717399] Internal error: Oops: 80d [#13] SMP ARM <4>[ 79.722562] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 79.755190] CPU: 0 PID: 2530 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 79.763221] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.770055] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 79.775662] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 79.781001] pc : [] lr : [] psr: 60080013 <4>[ 79.787552] sp : c5b3be50 ip : c5b3bd58 fp : c5b3be64 <4>[ 79.793060] r10: 00000014 r9 : c1ad6fd4 r8 : c15ec020 <4>[ 79.798571] r7 : c5b3bf60 r6 : 00000014 r5 : c6860000 r4 : c1b8ac74 <4>[ 79.805382] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad7dcc <4>[ 79.812199] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.819621] Control: 10c5387d Table: 16f2404a DAC: 00000051 <0>[ 79.825654] Process cat (pid: 2530, stack limit = 0x6d409dd5) <0>[ 79.831688] Stack: (0xc5b3be50 to 0xc5b3c000) <0>[ 79.836337] be40: 00000029 c6860000 c5b3be74 c5b3be68 <0>[ 79.844809] be60: c0c58f3c c13cbe08 c5b3be9c c5b3be78 c0c5943c c0c58f1c c0c5931c c5fd3180 <0>[ 79.853280] be80: b6da2000 00000014 c517d180 c5b3bf60 c5b3bec4 c5b3bea0 c07e29dc c0c59328 <0>[ 79.861751] bea0: 00000000 c5fd3180 b6da2000 c290d000 c5b3bf60 c07e2978 c5b3bf5c c5b3bec8 <0>[ 79.870220] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5b3a000 <0>[ 79.878693] bee0: b6da2000 00020000 00000004 00000014 0001ffec c5b3bee0 00000001 b6da1000 <0>[ 79.887160] bf00: c69d6780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.895632] bf20: 00000000 00000000 c13e1300 ed4c5e5a c206c1a0 c5fd3180 c5fd3180 c5b3a000 <0>[ 79.904100] bf40: b6da2000 00000000 00000000 00000004 c5b3bf94 c5b3bf60 c059c9b0 c059c304 <0>[ 79.912568] bf60: 00000000 00000000 c5b3bfac ed4c5e5a 00000014 00000014 7ff00000 00000004 <0>[ 79.921038] bf80: c03002e4 c5b3a000 c5b3bfa4 c5b3bf98 c059ca40 c059c948 00000000 c5b3bfa8 <0>[ 79.929507] bfa0: c03000c0 c059ca34 00000014 00000014 00000001 b6da2000 00000014 00000001 <0>[ 79.937977] bfc0: 00000014 00000014 7ff00000 00000004 00000001 b6da2000 00020000 0047fe38 <0>[ 79.946448] bfe0: 00000004 beffe7e8 b6e6833b b6de1616 60080030 00000001 00000000 00000000 <0>[ 79.954904] Backtrace: <0>[ 79.957674] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.966925] r5:c6860000 r4:00000029 <0>[ 79.970800] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.979111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.987327] r9:c5b3bf60 r8:c517d180 r7:00000014 r6:b6da2000 r5:c5fd3180 r4:c0c5931c <0>[ 79.995378] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.003504] r9:c07e2978 r8:c5b3bf60 r7:c290d000 r6:b6da2000 r5:c5fd3180 r4:00000000 <0>[ 80.011544] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.018973] r10:00000004 r9:00000000 r8:00000000 r7:b6da2000 r6:c5b3a000 r5:c5fd3180 <0>[ 80.027084] r4:c5fd3180 <0>[ 80.029913] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.037343] r9:c5b3a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 <0>[ 80.045387] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.053242] Exception stack(0xc5b3bfa8 to 0xc5b3bff0) <0>[ 80.058585] bfa0: 00000014 00000014 00000001 b6da2000 00000014 00000001 <0>[ 80.067055] bfc0: 00000014 00000014 7ff00000 00000004 00000001 b6da2000 00020000 0047fe38 <0>[ 80.075520] bfe0: 00000004 beffe7e8 b6e6833b b6de1616 <0>[ 80.080866] Code: e34a3bcd e3070dcc e34c01ad e0233002 (e5843000) <4>[ 80.087255] ---[ end trace c88116889e02e439 ]--- # [ 79.161854] Exception stack(0xc5f6bfa8 to 0xc5f6bff0) # [ 79.167196] bfa0: 00000009 00000009 00000001 b6e48000 00000009 00000001 # [ 79.175667] bfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e48000 00020000 004ffe38 # [ 79.184131] bfe0: 00000004 bec237e8 b6f0e33b b6e87616 # [ 79.189477] Code: e34a3bcd e3070dcc e34c01ad e0233002 (e5843000) # [ 79.195865] ---[ end trace c88116889e02e438 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Segmentation fault # [ 79.679521] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 79.687218] lkdtm: attempting bad ro_after_init write at c1b8ac74 # [ 79.696435] 8<--- cut here --- # [ 79.702574] Unable to handle kernel paging request at virtual address c1b8ac74 # [ 79.710077] pgd = 17117402 # [ 79.713069] [c1b8ac74] *pgd=11a1941e(bad) # [ 79.717399] Internal error: Oops: 80d [#13] SMP ARM # [ 79.722562] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 79.755190] CPU: 0 PID: 2530 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 79.763221] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.770055] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 79.775662] LR is at __irq_work_queue_local+0x40/0x74 # [ 79.781001] pc : [] lr : [] psr: 60080013 # [ 79.787552] sp : c5b3be50 ip : c5b3bd58 fp : c5b3be64 # [ 79.793060] r10: 00000014 r9 : c1ad6fd4 r8 : c15ec020 # [ 79.798571] r7 : c5b3bf60 r6 : 00000014 r5 : c6860000 r4 : c1b8ac74 # [ 79.805382] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad7dcc # [ 79.812199] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.819621] Control: 10c5387d Table: 16f2404a DAC: 00000051 # [ 79.825654] Process cat (pid: 2530, stack limit = 0x6d409dd5) # [ 79.831688] Stack: (0xc5b3be50 to 0xc5b3c000) # [ 79.836337] be40: 00000029 c6860000 c5b3be74 c5b3be68 # [ 79.844809] be60: c0c58f3c c13cbe08 c5b3be9c c5b3be78 c0c5943c c0c58f1c c0c5931c c5fd3180 # [ 79.853280] be80: b6da2000 00000014 c517d180 c5b3bf60 c5b3bec4 c5b3bea0 c07e29dc c0c59328 # [ 79.861751] bea0: 00000000 c5fd3180 b6da2000 c290d000 c5b3bf60 c07e2978 c5b3bf5c c5b3bec8 # [ 79.870220] bec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c5b3a000 # [ 79.878693] bee0: b6da2000 00020000 00000004 00000014 0001ffec c5b3bee0 00000001 b6da1000 # [ 79.887160] bf00: c69d6780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.895632] bf20: 00000000 00000000 c13e1300 ed4c5e5a c206c1a0 c5fd3180 c5fd3180 c5b3a000 # [ 79.904100] bf40: b6da2000 00000000 00000000 00000004 c5b3bf94 c5b3bf60 c059c9b0 c059c304 # [ 79.912568] bf60: 00000000 00000000 c5b3bfac ed4c5e5a 00000014 00000014 7ff00000 00000004 # [ 79.921038] bf80: c03002e4 c5b3a000 c5b3bfa4 c5b3bf98 c059ca40 c059c948 00000000 c5b3bfa8 # [ 79.929507] bfa0: c03000c0 c059ca34 00000014 00000014 00000001 b6da2000 00000014 00000001 # [ 79.937977] bfc0: 00000014 00000014 7ff00000 00000004 00000001 b6da2000 00020000 0047fe38 # [ 79.946448] bfe0: 00000004 beffe7e8 b6e6833b b6de1616 60080030 00000001 00000000 00000000 # [ 79.954904] Backtrace: # [ 79.957674] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.966925] r5:c6860000 r4:00000029 # [ 79.970800] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.979111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.987327] r9:c5b3bf60 r8:c517d180 r7:00000014 r6:b6da2000 r5:c5fd3180 r4:c0c5931c # [ 79.995378] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.003504] r9:c07e2978 r8:c5b3bf60 r7:c290d000 r6:b6da2000 r5:c5fd3180 r4:00000000 # [ 80.011544] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.018973] r10:00000004 r9:00000000 r8:00000000 r7:b6da2000 r6:c5b3a000 r5:c5fd3180 # [ 80.027084] r4:c5fd3180 # [ 80.029913] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.037343] r9:c5b3a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 # [ 80.045387] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.053242] Exception stack(0xc5b3bfa8 to 0xc5b3bff0) # [ 80.058585] bfa0: 00000014 00000014 00000001 b6da2000 00000014 00000001 # [ 80.067055] bfc0: 00000014 00000014 7ff00000 00000004 00000001 b6da2000 00020000 0047fe38 # [ 80.075520] bfe0: 00000004 beffe7e8 b6e6833b b6de1616 # [ 80.080866] Code: e34a3bcd e3070dcc e34c01ad e0233002 (e5843000) # [ 80.087255] ---[ end trace c88116889e02e43<6>[ 80.593940] lkdtm: Performing direct entry WRITE_KERN 9 ]--- # WRITE_RO_AFTER_INIT: mi<6>[ 80.601881] lkdtm: attempting bad 7807016 byte write at c13cbcd4 ssing 'call trace:': [FAIL] not <1>[ 80.611103] 8<--- cut here --- <1>[ 80.617196] Unable to handle kernel paging request at virtual address c13cbcd4 <1>[ 80.624688] pgd = d0728e42 <1>[ 80.627664] [c13cbcd4] *pgd=1121940e(bad) <0>[ 80.631954] Internal error: Oops: 80d [#14] SMP ARM <4>[ 80.637101] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 80.669450] CPU: 0 PID: 2605 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 80.677458] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.684264] PC is at memcpy+0x50/0x330 <4>[ 80.688283] LR is at 0xe92dd830 <4>[ 80.691691] pc : [] lr : [] psr: 20080013 <4>[ 80.698226] sp : c4713e2c ip : e1a0c00d fp : c4713e64 <4>[ 80.703717] r10: 0000000b r9 : c1ad6fe8 r8 : e89da800 <4>[ 80.709207] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 80.716002] r3 : e1a0c00d r2 : 00771f88 r1 : c0c59ccc r0 : c13cbcd4 <4>[ 80.722797] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.730200] Control: 10c5387d Table: 1699c04a DAC: 00000051 <0>[ 80.736213] Process cat (pid: 2605, stack limit = 0xbb47c801) <0>[ 80.742225] Stack: (0xc4713e2c to 0xc4714000) <0>[ 80.746853] 3e20: c0c59cac 00772028 c4713f60 c15ec020 c13cbcd4 <0>[ 80.755301] 3e40: c13cbcd4 c13cbeb8 0000002a c6892000 0000000b c4713f60 c4713e74 c4713e68 <0>[ 80.763746] 3e60: c0c58f3c c13cbe78 c4713e9c c4713e78 c0c5943c c0c58f1c c0c5931c c4710500 <0>[ 80.772193] 3e80: b6ea2000 0000000b c517d180 c4713f60 c4713ec4 c4713ea0 c07e29dc c0c59328 <0>[ 80.780639] 3ea0: 00000000 c4710500 b6ea2000 c290d000 c4713f60 c07e2978 c4713f5c c4713ec8 <0>[ 80.789086] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4712000 <0>[ 80.797534] 3ee0: b6ea2000 00020000 00000004 0000000b 0001fff5 c4713ee0 00000001 b6ea1000 <0>[ 80.805978] 3f00: c692f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.814424] 3f20: 00000000 00000000 c13e1300 44e5233b c206c1a0 c4710500 c4710500 c4712000 <0>[ 80.822869] 3f40: b6ea2000 00000000 00000000 00000004 c4713f94 c4713f60 c059c9b0 c059c304 <0>[ 80.831316] 3f60: 00000000 00000000 c4713fac 44e5233b 0000000b 0000000b 7ff00000 00000004 <0>[ 80.839762] 3f80: c03002e4 c4712000 c4713fa4 c4713f98 c059ca40 c059c948 00000000 c4713fa8 <0>[ 80.848207] 3fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6ea2000 0000000b 00000001 <0>[ 80.856654] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 0050fe38 <0>[ 80.865101] 3fe0: 00000004 bedd87e8 b6f6833b b6ee1616 60080030 00000001 00000000 00000000 <0>[ 80.873542] Backtrace: <0>[ 80.876278] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.884727] r7:c4713f60 r6:0000000b r5:c6892000 r4:0000002a <0>[ 80.890659] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.898940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.907126] r9:c4713f60 r8:c517d180 r7:0000000b r6:b6ea2000 r5:c4710500 r4:c0c5931c <0>[ 80.915145] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.923245] r9:c07e2978 r8:c4713f60 r7:c290d000 r6:b6ea2000 r5:c4710500 r4:00000000 <0>[ 80.931258] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.938662] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c4712000 r5:c4710500 <0>[ 80.946756] r4:c4710500 <0>[ 80.949560] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.956965] r9:c4712000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 80.964982] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.972818] Exception stack(0xc4713fa8 to 0xc4713ff0) <0>[ 80.978138] 3fa0: 0000000b 0000000b 00000001 b6ea2000 0000000b 00000001 <0>[ 80.986586] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 0050fe38 <0>[ 80.995029] 3fe0: 00000004 bedd87e8 b6f6833b b6ee1616 <0>[ 81.000351] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 81.006715] ---[ end trace c88116889e02e43a ]--- ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh # Segmentation fault # [ 80.593940] lkdtm: Performing direct entry WRITE_KERN # [ 80.601881] lkdtm: attempting bad 7807016 byte write at c13cbcd4 # [ 80.611103] 8<--- cut here --- # [ 80.617196] Unable to handle kernel paging request at virtual address c13cbcd4 # [ 80.624688] pgd = d0728e42 # [ 80.627664] [c13cbcd4] *pgd=1121940e(bad) # [ 80.631954] Internal error: Oops: 80d [#14] SMP ARM # [ 80.637101] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 80.669450] CPU: 0 PID: 2605 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 80.677458] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.684264] PC is at memcpy+0x50/0x330 # [ 80.688283] LR is at 0xe92dd830 # [ 80.691691] pc : [] lr : [] psr: 20080013 # [ 80.698226] sp : c4713e2c ip : e1a0c00d fp : c4713e64 # [ 80.703717] r10: 0000000b r9 : c1ad6fe8 r8 : e89da800 # [ 80.709207] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 80.716002] r3 : e1a0c00d r2 : 00771f88 r1 : c0c59ccc r0 : c13cbcd4 # [ 80.722797] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.730200] Control: 10c5387d Table: 1699c04a DAC: 00000051 # [ 80.736213] Process cat (pid: 2605, stack limit = 0xbb47c801) # [ 80.742225] Stack: (0xc4713e2c to 0xc4714000) # [ 80.746853] 3e20: c0c59cac 00772028 c4713f60 c15ec020 c13cbcd4 # [ 80.755301] 3e40: c13cbcd4 c13cbeb8 0000002a c6892000 0000000b c4713f60 c4713e74 c4713e68 # [ 80.763746] 3e60: c0c58f3c c13cbe78 c4713e9c c4713e78 c0c5943c c0c58f1c c0c5931c c4710500 # [ 80.772193] 3e80: b6ea2000 0000000b c517d180 c4713f60 c4713ec4 c4713ea0 c07e29dc c0c59328 # [ 80.780639] 3ea0: 00000000 c4710500 b6ea2000 c290d000 c4713f60 c07e2978 c4713f5c c4713ec8 # [ 80.789086] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e1300 c059c9b0 c4712000 # [ 80.797534] 3ee0: b6ea2000 00020000 00000004 0000000b 0001fff5 c4713ee0 00000001 b6ea1000 # [ 80.805978] 3f00: c692f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.814424] 3f20: 00000000 00000000 c13e1300 44e5233b c206c1a0 c4710500 c4710500 c4712000 # [ 80.822869] 3f40: b6ea2000 00000000 00000000 00000004 c4713f94 c4713f60 c059c9b0 c059c304 # [ 80.831316] 3f60: 00000000 00000000 c4713fac 44e5233b 0000000b 0000000b 7ff00000 00000004 # [ 80.839762] 3f80: c03002e4 c4712000 c4713fa4 c4713f98 c059ca40 c059c948 00000000 c4713fa8 # [ 80.848207] 3fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6ea2000 0000000b 00000001 # [ 80.856654] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 0050fe38 # [ 80.865101] 3fe0: 00000004 bedd87e8 b6f6833b b6ee1616 60080030 00000001 00000000 00000000 # [ 80.873542] Backtrace: # [ 80.876278] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.884727] r7:c4713f60 r6:0000000b r5:c6892000 r4:0000002a # [ 80.890659] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.898940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.907126] r9:c4713f60 r8:c517d180 r7:0000000b r6:b6ea2000 r5:c4710500 r4:c0c5931c # [ 80.915145] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.923245] r9:c07e2978 r8:c4713f60 r7:c290d000 r6:b6ea2000 r5:c4710500 r4:00000000 # [ 80.931258] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.938662] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c4712000 r5:c4710500 # [ 80.946756] r4:c4710500 # [ 80.949560] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.956965] r9:c4712000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b # [ 80.964982] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.972818] Exception stack(0xc4713fa8 to 0xc4713ff0) # [ 80.978138] 3fa0: 0000000b 0000000b 00000001 b6ea2000 0000000b 00000001 # [ 80.986586] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 0050fe38 # [ 80.995029] 3fe0: 00000004 bedd87e8 b6f6833b b6ee1616 # [ 81.000351] Code: f5d1f05c f5d1f07<6>[ 81.532813] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW c e8b151f8 e2522020 (e8a051f8) <6>[ 81.539851] lkdtm: attempting good refcount_inc() without overflow # [ 81.006715] ---[ end trace c<6>[ 81.549086] lkdtm: attempting bad refcount_inc() overflow 88116889e02e43a ]--- # WRITE_KER<4>[ 81.557637] ------------[ cut here ]------------ N: missing 'call trace:': [FAIL] <4>[ 81.565363] WARNING: CPU: 3 PID: 2681 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 not ok 41 selftests: lkdtm: WRIT<4>[ 81.576900] refcount_t: saturated; leaking memory. E_KERN.sh # exit=1 # selftests: <4>[ 81.584782] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 lkdtm: REFCOUNT_INC_OVERFLOW.sh <4>[ 81.619824] CPU: 3 PID: 2681 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 81.630645] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.637438] Backtrace: <4>[ 81.640169] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 81.648012] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 81.653944] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 81.661529] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 81.668761] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc <4>[ 81.676777] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 81.684527] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c6cb2000 <4>[ 81.690460] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 81.699689] r9:c1ad6ff4 r8:c15ec020 r7:c6cb3f60 r6:00000016 r5:c6adf000 r4:c6cb2000 <4>[ 81.707709] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 81.717638] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 81.727997] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 81.737395] r4:0000002b <4>[ 81.740201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 81.748481] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 81.756668] r9:c6cb3f60 r8:c517d180 r7:00000016 r6:b6e64000 r5:c692f680 r4:c0c5931c <4>[ 81.764689] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 81.772789] r9:c07e2978 r8:c6cb3f60 r7:c290d000 r6:b6e64000 r5:c692f680 r4:00000000 <4>[ 81.780802] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 81.788209] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6cb2000 r5:c692f680 <4>[ 81.796303] r4:c692f680 <4>[ 81.799107] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 81.806511] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 81.814528] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 81.822364] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) <4>[ 81.827687] 3fa0: 00000016 00000016 00000001 b6e64000 00000016 00000001 <4>[ 81.836134] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e64000 00020000 0050fe38 <4>[ 81.844579] 3fe0: 00000004 be9ba7e8 b6f2a33b b6ea3616 <4>[ 81.849959] irq event stamp: 0 <4>[ 81.853293] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 81.859177] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 81.867015] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 81.874805] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 81.880700] ---[ end trace c88116889e02e43b ]--- <6>[ 81.885625] lkdtm: Overflow detected: saturated # [ 81.532813] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 81.539851] lkdtm: attempting good refcount_inc() without overflow # [ 81.549086] lkdtm: attempting bad refcount_inc() overflow # [ 81.557637] ------------[ cut here ]------------ # [ 81.565363] WARNING: CPU: 3 PID: 2681 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 81.576900] refcount_t: saturated; leaking memory. # [ 81.584782] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 81.619824] CPU: 3 PID: 2681 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 81.630645] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.637438] Backtrace: # [ 81.640169] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 81.648012] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 81.653944] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 81.661529] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 81.668761] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc # [ 81.676777] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 81.684527] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c6cb2000 # [ 81.690460] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 81.699689] r9:c1ad6ff4 r8:c15ec020 r7:c6cb3f60 r6:00000016 r5:c6adf000 r4:c6cb2000 # [ 81.707709] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 81.717638] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 81.727997] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.737395] r4:0000002b # [ 81.740201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.748481] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.756668] r9:c6cb3f60 r8:c517d180 r7:00000016 r6:b6e64000 r5:c692f680 r4:c0c5931c # [ 81.764689] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.772789] r9:c07e2978 r8:c6cb3f60 r7:c290d000 r6:b6e64000 r5:c692f680 r4:00000000 # [ 81.780802] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.788209] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6cb2000 r5:c692f680 # [ 81.796303] r4:c692f680 # [ 81.799107] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.806511] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 81.814528] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.822364] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) # [ 81.827687] 3fa0: 00000016 00000016 00000001 b6e64000 00000016 00000001 # [ 81.836134] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e64000 00020000 0050fe38 # [ 81.844579] 3fe0: 00000004 be9ba7e8 b6f2a33b b6ea3616 # [ 81.849959] irq event stamp: 0 # [ 81.853293] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 81.859177] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 81.867015] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 81.874805] softirqs last disabled at (0): [<00000000>] 0x0 # [ 81.880700] ---[ end trace c88116889e02e43b ]--- # [ 81.885625] lkdtm: Overflow detected: saturate<6>[ 82.312560] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW d # REFCOUNT_INC_OVERFLOW: missi<6>[ 82.319776] lkdtm: attempting good refcount_add() without overflow ng 'call trace:': [FAIL] not ok <6>[ 82.329082] lkdtm: attempting bad refcount_add() overflow 42 selftests: lkdtm: REFCOUNT_INC<4>[ 82.337734] ------------[ cut here ]------------ _OVERFLOW.sh # exit=1 # selftest<4>[ 82.345472] WARNING: CPU: 0 PID: 2716 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 s: lkdtm: REFCOUNT_ADD_OVERFLOW.s<4>[ 82.357131] refcount_t: saturated; leaking memory. h <4>[ 82.364944] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 82.397453] CPU: 0 PID: 2716 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 82.405465] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.412260] Backtrace: <4>[ 82.414990] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 82.422832] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 82.428765] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 82.436350] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 82.443584] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc <4>[ 82.451598] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 82.459349] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c594e000 <4>[ 82.465282] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 82.474511] r9:c1ad700c r8:c15ec020 r7:c594ff60 r6:00000016 r5:c6a06000 r4:c594e000 <4>[ 82.482532] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 82.492461] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 82.502822] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 82.512219] r4:0000002c <4>[ 82.515025] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 82.523305] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 82.531493] r9:c594ff60 r8:c517d180 r7:00000016 r6:b6dba000 r5:c69d4b40 r4:c0c5931c <4>[ 82.539512] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 82.547611] r9:c07e2978 r8:c594ff60 r7:c290d000 r6:b6dba000 r5:c69d4b40 r4:00000000 <4>[ 82.555624] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 82.563028] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c594e000 r5:c69d4b40 <4>[ 82.571123] r4:c69d4b40 <4>[ 82.573928] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 82.581333] r9:c594e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 82.589349] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 82.597184] Exception stack(0xc594ffa8 to 0xc594fff0) <4>[ 82.602507] ffa0: 00000016 00000016 00000001 b6dba000 00000016 00000001 <4>[ 82.610954] ffc0: 00000016 00000016 7ff00000 00000004 00000001 b6dba000 00020000 004dfe38 <4>[ 82.619398] ffe0: 00000004 bec857e8 b6e8033b b6df9616 <4>[ 82.624766] irq event stamp: 0 <4>[ 82.628122] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 82.633973] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 82.642632] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 82.650459] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 82.656328] ---[ end trace c88116889e02e43c ]--- <6>[ 82.661217] lkdtm: Overflow detected: saturated # [ 82.312560] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 82.319776] lkdtm: attempting good refcount_add() without overflow # [ 82.329082] lkdtm: attempting bad refcount_add() overflow # [ 82.337734] ------------[ cut here ]------------ # [ 82.345472] WARNING: CPU: 0 PID: 2716 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 82.357131] refcount_t: saturated; leaking memory. # [ 82.364944] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 82.397453] CPU: 0 PID: 2716 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 82.405465] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.412260] Backtrace: # [ 82.414990] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.422832] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 82.428765] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.436350] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.443584] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc # [ 82.451598] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.459349] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c594e000 # [ 82.465282] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 82.474511] r9:c1ad700c r8:c15ec020 r7:c594ff60 r6:00000016 r5:c6a06000 r4:c594e000 # [ 82.482532] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 82.492461] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 82.502822] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.512219] r4:0000002c # [ 82.515025] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.523305] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.531493] r9:c594ff60 r8:c517d180 r7:00000016 r6:b6dba000 r5:c69d4b40 r4:c0c5931c # [ 82.539512] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.547611] r9:c07e2978 r8:c594ff60 r7:c290d000 r6:b6dba000 r5:c69d4b40 r4:00000000 # [ 82.555624] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.563028] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c594e000 r5:c69d4b40 # [ 82.571123] r4:c69d4b40 # [ 82.573928] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.581333] r9:c594e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 82.589349] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.597184] Exception stack(0xc594ffa8 to 0xc594fff0) # [ 82.602507] ffa0: 00000016 00000016 00000001 b6dba000 00000016 00000001 # [ 82.610954] ffc0: 00000016 00000016 7ff00000 00000004 00000001 b6dba000 00020000 004dfe38 # [ 82.619398] ffe0: 00000004 bec857e8 b6e8033b b6df9616 # [ 82.624766] irq event stamp: 0 # [ 82.628122] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 82.633973] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.642632] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.650459] softirqs last disabled at (0): [<00000000>] 0x0 # [ 82.656328] ---[ end trace c88116889e02e43c ]--- # [ 82.661217] 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<6>[ 83.122674] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW _NOT_ZERO_OVERFLOW.sh <6>[ 83.132516] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 83.140914] ------------[ cut here ]------------ <4>[ 83.145972] WARNING: CPU: 1 PID: 2751 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 83.154708] refcount_t: saturated; leaking memory. <4>[ 83.159803] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 83.192274] CPU: 1 PID: 2751 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 83.200284] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.207078] Backtrace: <4>[ 83.209810] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.217651] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 83.223583] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 83.231170] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 83.238401] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc <4>[ 83.246415] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 83.254165] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c6c92000 <4>[ 83.260097] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 83.269328] r9:c1ad7024 r8:c15ec020 r7:c6c93f60 r6:0000001f r5:c5caa000 r4:7fffffff <4>[ 83.277346] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 83.288052] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 83.299968] r5:c5caa000 r4:c6c92000 <4>[ 83.303818] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.313996] r4:0000002d <4>[ 83.316802] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.325081] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.333270] r9:c6c93f60 r8:c517d180 r7:0000001f r6:b6dc9000 r5:c47c2c80 r4:c0c5931c <4>[ 83.341289] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.349389] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6dc9000 r5:c47c2c80 r4:00000000 <4>[ 83.357401] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 83.364805] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c6c92000 r5:c47c2c80 <4>[ 83.372899] r4:c47c2c80 <4>[ 83.375704] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 83.383108] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 83.391124] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 83.398961] Exception stack(0xc6c93fa8 to 0xc6c93ff0) <4>[ 83.404284] 3fa0: 0000001f 0000001f 00000001 b6dc9000 0000001f 00000001 <4>[ 83.412731] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dc9000 00020000 0049fe38 <4>[ 83.421174] 3fe0: 00000004 be8007e8 b6e8f33b b6e08616 <4>[ 83.426554] irq event stamp: 0 <4>[ 83.429888] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 83.435771] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 83.443560] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 83.451379] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 83.457264] ---[ end trace c88116889e02e43d ]--- <6>[ 83.462157] lkdtm: Overflow detected: saturated # [ 83.122674] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 83.132516] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 83.140914] ------------[ cut here ]------------ # [ 83.145972] WARNING: CPU: 1 PID: 2751 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 83.154708] refcount_t: saturated; leaking memory. # [ 83.159803] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 83.192274] CPU: 1 PID: 2751 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 83.200284] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.207078] Backtrace: # [ 83.209810] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.217651] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 83.223583] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.231170] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.238401] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc # [ 83.246415] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.254165] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c6c92000 # [ 83.260097] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 83.269328] r9:c1ad7024 r8:c15ec020 r7:c6c93f60 r6:0000001f r5:c5caa000 r4:7fffffff # [ 83.277346] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 83.288052] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 83.299968] r5:c5caa000 r4:c6c92000 # [ 83.303818] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.313996] r4:0000002d # [ 83.316802] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.325081] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.333270] r9:c6c93f60 r8:c517d180 r7:0000001f r6:b6dc9000 r5:c47c2c80 r4:c0c5931c # [ 83.341289] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.349389] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6dc9000 r5:c47c2c80 r4:00000000 # [ 83.357401] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.364805] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c6c92000 r5:c47c2c80 # [ 83.372899] r4:c47c2c80 # [ 83.375704] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.383108] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 83.391124] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.398961] Exception stack(0xc6c93fa8 to 0xc6c93ff0) # [ 83.404284] 3fa0: 0000001f 0000001f 00000001 b6dc9000 0000001f 00000001 # [ 83.412731] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dc9000 00020000 0049fe38 # [ 83.421174] 3fe0: 00000004 be8007e8 b6e8f33b b6e08616 # [ 83.426554] irq event stamp: 0 # [ 83.429888] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.435771] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.443560] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.451379] softirqs last disabled at (0): [<00000000>] 0x0 # [ 83.457264] ---[ end trace c88116889e02e43d ]--- # [ 83.462157] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44<6>[ 83.899214] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW selftests: lkdtm: REFCOUNT_INC_N<6>[ 83.908819] lkdtm: attempting bad refcount_add_not_zero() overflow OT_ZERO_OVERFLOW.sh # exit=1 # s<4>[ 83.918095] ------------[ cut here ]------------ elftests: lkdtm: REFCOUNT_ADD_NOT<4>[ 83.925946] WARNING: CPU: 3 PID: 2786 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 _ZERO_OVERFLOW.sh <4>[ 83.937401] refcount_t: saturated; leaking memory. <4>[ 83.944054] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 83.976549] CPU: 3 PID: 2786 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 83.984561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.991355] Backtrace: <4>[ 83.994088] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.001928] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 84.007861] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.015448] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.022681] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc <4>[ 84.030696] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.038447] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c594e000 <4>[ 84.044382] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 84.053609] r9:c1ad7044 r8:c15ec020 r7:c594ff60 r6:0000001f r5:c6adf000 r4:7fffffff <4>[ 84.061630] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 84.072337] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 84.084254] r5:c6adf000 r4:c594e000 <4>[ 84.088106] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.098286] r4:0000002e <4>[ 84.101092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.109371] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.117559] r9:c594ff60 r8:c517d180 r7:0000001f r6:b6db9000 r5:c5a69680 r4:c0c5931c <4>[ 84.125579] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.133678] r9:c07e2978 r8:c594ff60 r7:c290d000 r6:b6db9000 r5:c5a69680 r4:00000000 <4>[ 84.141694] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.149100] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c594e000 r5:c5a69680 <4>[ 84.157195] r4:c5a69680 <4>[ 84.160000] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.167406] r9:c594e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 84.175422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.183258] Exception stack(0xc594ffa8 to 0xc594fff0) <4>[ 84.188580] ffa0: 0000001f 0000001f 00000001 b6db9000 0000001f 00000001 <4>[ 84.197028] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6db9000 00020000 004efe38 <4>[ 84.205471] ffe0: 00000004 bea657e8 b6e7f33b b6df8616 <4>[ 84.210857] irq event stamp: 0 <4>[ 84.214192] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.220074] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.227869] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.235652] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 84.241497] ---[ end trace c88116889e02e43e ]--- <6>[ 84.246412] lkdtm: Overflow detected: saturated # [ 83.899214] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 83.908819] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 83.918095] ------------[ cut here ]------------ # [ 83.925946] WARNING: CPU: 3 PID: 2786 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 83.937401] refcount_t: saturated; leaking memory. # [ 83.944054] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 83.976549] CPU: 3 PID: 2786 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 83.984561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.991355] Backtrace: # [ 83.994088] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.001928] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 84.007861] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.015448] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.022681] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc # [ 84.030696] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.038447] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c594e000 # [ 84.044382] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 84.053609] r9:c1ad7044 r8:c15ec020 r7:c594ff60 r6:0000001f r5:c6adf000 r4:7fffffff # [ 84.061630] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 84.072337] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 84.084254] r5:c6adf000 r4:c594e000 # [ 84.088106] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.098286] r4:0000002e # [ 84.101092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.109371] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.117559] r9:c594ff60 r8:c517d180 r7:0000001f r6:b6db9000 r5:c5a69680 r4:c0c5931c # [ 84.125579] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.133678] r9:c07e2978 r8:c594ff60 r7:c290d000 r6:b6db9000 r5:c5a69680 r4:00000000 # [ 84.141694] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.149100] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c594e000 r5:c5a69680 # [ 84.157195] r4:c5a69680 # [ 84.160000] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.167406] r9:c594e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 84.175422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.183258] Exception stack(0xc594ffa8 to 0xc594fff0) # [ 84.188580] ffa0: 0000001f 0000001f 00000001 b6db9000 0000001f 00000001 # [ 84.197028] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6db9000 00020000 004efe38 # [ 84.205471] ffe0: 00000004 bea657e8 b6e7f33b b6df8616 # [ 84.210857] irq event stamp: 0 # [ 84.214192] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.220074] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.227869] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.235652] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.241497] ---[ end trace c88116889e02e43e ]--- # [ 84.246412] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_Z<6>[ 84.671467] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ERO_OVERFLOW: missing 'call trace<6>[ 84.678293] lkdtm: attempting good refcount_dec() :': [FAIL] not ok 45 selftests: <6>[ 84.686124] lkdtm: attempting bad refcount_dec() to zero lkdtm: REFCOUNT_ADD_NOT_ZERO_OVER<4>[ 84.696752] ------------[ cut here ]------------ FLOW.sh # exit=1 # selftests: lk<4>[ 84.702354] WARNING: CPU: 0 PID: 2821 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 dtm: REFCOUNT_DEC_ZERO.sh <4>[ 84.713896] refcount_t: decrement hit 0; leaking memory. <4>[ 84.721808] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 84.754294] CPU: 0 PID: 2821 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 84.762306] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.769099] Backtrace: <4>[ 84.771829] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.779669] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 84.785602] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.793186] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.800417] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2afcc <4>[ 84.808431] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.816181] r7:0000001f r6:c1a2afcc r5:c1a2b030 r4:c692a000 <4>[ 84.822114] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 84.831341] r9:c1ad7064 r8:c15ec020 r7:c692bf60 r6:00000012 r5:c5a58000 r4:c692a000 <4>[ 84.839359] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 84.849283] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 84.859298] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.868348] r4:0000002f <4>[ 84.871155] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.879436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.887625] r9:c692bf60 r8:c517d180 r7:00000012 r6:b6dfe000 r5:c69d5680 r4:c0c5931c <4>[ 84.895645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.903746] r9:c07e2978 r8:c692bf60 r7:c290d000 r6:b6dfe000 r5:c69d5680 r4:00000000 <4>[ 84.911759] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.919164] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c692a000 r5:c69d5680 <4>[ 84.927257] r4:c69d5680 <4>[ 84.930062] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.937468] r9:c692a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 84.945485] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.953320] Exception stack(0xc692bfa8 to 0xc692bff0) <4>[ 84.958641] bfa0: 00000012 00000012 00000001 b6dfe000 00000012 00000001 <4>[ 84.967089] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dfe000 00020000 004afe38 <4>[ 84.975533] bfe0: 00000004 bea0e7e8 b6ec433b b6e3d616 <4>[ 84.980878] irq event stamp: 0 <4>[ 84.984210] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.990082] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.997860] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.005636] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.011481] ---[ end trace c88116889e02e43f ]--- <6>[ 85.016388] lkdtm: Zero detected: saturated # [ 84.671467] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 84.678293] lkdtm: attempting good refcount_dec() # [ 84.686124] lkdtm: attempting bad refcount_dec() to zero # [ 84.696752] ------------[ cut here ]------------ # [ 84.702354] WARNING: CPU: 0 PID: 2821 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 84.713896] refcount_t: decrement hit 0; leaking memory. # [ 84.721808] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 84.754294] CPU: 0 PID: 2821 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 84.762306] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.769099] Backtrace: # [ 84.771829] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.779669] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 84.785602] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.793186] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.800417] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2afcc # [ 84.808431] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.816181] r7:0000001f r6:c1a2afcc r5:c1a2b030 r4:c692a000 # [ 84.822114] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 84.831341] r9:c1ad7064 r8:c15ec020 r7:c692bf60 r6:00000012 r5:c5a58000 r4:c692a000 # [ 84.839359] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 84.849283] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 84.859298] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.868348] r4:0000002f # [ 84.871155] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.879436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.887625] r9:c692bf60 r8:c517d180 r7:00000012 r6:b6dfe000 r5:c69d5680 r4:c0c5931c # [ 84.895645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.903746] r9:c07e2978 r8:c692bf60 r7:c290d000 r6:b6dfe000 r5:c69d5680 r4:00000000 # [ 84.911759] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.919164] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c692a000 r5:c69d5680 # [ 84.927257] r4:c69d5680 # [ 84.930062] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.937468] r9:c692a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 84.945485] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.953320] Exception stack(0xc692bfa8 to 0xc692bff0) # [ 84.958641] bfa0: 00000012 00000012 00000001 b6dfe000 00000012 00000001 # [ 84.967089] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dfe000 00020000 004afe38 # [ 84.975533] bfe0: 00000004 bea0e7e8 b6ec433b b6e3d616 # [ 84.980878] irq event stamp: 0 # [ 84.984210] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.990082] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.997860] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.005636] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.011481] ---[ end trace c88116889e02e43f ]--- # [ 85.016388] 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>[ 85.507120] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 85.513414] lkdtm: attempting bad refcount_dec() below zero <4>[ 85.519342] ------------[ cut here ]------------ <4>[ 85.524254] WARNING: CPU: 0 PID: 2859 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 85.533025] refcount_t: decrement hit 0; leaking memory. <4>[ 85.538662] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 85.571268] CPU: 0 PID: 2859 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 85.579285] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.586080] Backtrace: <4>[ 85.588819] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.596663] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 85.602601] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.610194] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.617429] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2afcc <4>[ 85.625449] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.633203] r7:0000001f r6:c1a2afcc r5:c1a2b030 r4:c6c92000 <4>[ 85.639140] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 85.648372] r9:c1ad7078 r8:c15ec020 r7:c6c93f60 r6:00000016 r5:00000000 r4:c6c92000 <4>[ 85.656397] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 85.666328] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 85.676694] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.686095] r5:c5a5d000 r4:00000030 <4>[ 85.689946] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.698230] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.706420] r9:c6c93f60 r8:c517d180 r7:00000016 r6:b6e99000 r5:c69d43c0 r4:c0c5931c <4>[ 85.714445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.722547] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6e99000 r5:c69d43c0 r4:00000000 <4>[ 85.730564] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.737973] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c6c92000 r5:c69d43c0 <4>[ 85.746069] r4:c69d43c0 <4>[ 85.748878] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.756287] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 85.764305] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.772143] Exception stack(0xc6c93fa8 to 0xc6c93ff0) <4>[ 85.777471] 3fa0: 00000016 00000016 00000001 b6e99000 00000016 00000001 <4>[ 85.785921] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e99000 00020000 004afe38 <4>[ 85.794370] 3fe0: 00000004 bedd47e8 b6f5f33b b6ed8616 <4>[ 85.799734] irq event stamp: 0 <4>[ 85.803072] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.808958] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.816791] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.824562] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.830445] ---[ end trace c88116889e02e440 ]--- <6>[ 85.835367] lkdtm: Negative detected: saturated # [ 85.507120] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 85.513414] lkdtm: attempting bad refcount_dec() below zero # [ 85.519342] ------------[ cut here ]------------ # [ 85.524254] WARNING: CPU: 0 PID: 2859 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 85.533025] refcount_t: decrement hit 0; leaking memory. # [ 85.538662] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 85.571268] CPU: 0 PID: 2859 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 85.579285] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.586080] Backtrace: # [ 85.588819] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.596663] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 85.602601] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.610194] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.617429] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2afcc # [ 85.625449] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.633203] r7:0000001f r6:c1a2afcc r5:c1a2b030 r4:c6c92000 # [ 85.639140] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 85.648372] r9:c1ad7078 r8:c15ec020 r7:c6c93f60 r6:00000016 r5:00000000 r4:c6c92000 # [ 85.656397] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 85.666328] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 85.676694] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.686095] r5:c5a5d000 r4:00000030 # [ 85.689946] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.698230] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.706420] r9:c6c93f60 r8:c517d180 r7:00000016 r6:b6e99000 r5:c69d43c0 r4:c0c5931c # [ 85.714445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.722547] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6e99000 r5:c69d43c0 r4:00000000 # [ 85.730564] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.737973] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c6c92000 r5:c69d43c0 # [ 85.746069] r4:c69d43c0 # [ 85.748878] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.756287] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 85.764305] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.772143] Exception stack(0xc6c93fa8 to 0xc6c93ff0) # [ 85.777471] 3fa0: 00000016 00000016 00000001 b6e99000 00000016 00000001 # [ 85.785921] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e99000 00020000 004afe38 # [ 85.794370] 3fe0: 00000004 bedd47e8 b6f5f33b b6ed8616 # [ 85.799734] irq event stamp: 0 # [ 85.803072] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.808958] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.816791] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.824562] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.830445] ---[ end trace c88116889e02e440 ]--- # [ 85.835367] 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 <6>[ 86.338680] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 86.345836] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 86.352489] ------------[ cut here ]------------ <4>[ 86.357443] WARNING: CPU: 3 PID: 2895 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 86.366287] refcount_t: underflow; use-after-free. <4>[ 86.371350] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 86.403835] CPU: 3 PID: 2895 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 86.411846] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.418641] Backtrace: <4>[ 86.421370] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.429211] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 86.435146] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.442730] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.449962] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc <4>[ 86.457976] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.465727] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c6c92000 <4>[ 86.471660] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 86.480976] r9:c1ad7090 r8:c15ec020 r7:c6c93f60 r6:0000001f r5:00000000 r4:c6c92000 <4>[ 86.488996] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 86.499707] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 86.511631] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.521810] r5:c6ac0000 r4:00000031 <4>[ 86.525658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.533938] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.542126] r9:c6c93f60 r8:c517d180 r7:0000001f r6:b6e9e000 r5:c5fd32c0 r4:c0c5931c <4>[ 86.550144] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.558242] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6e9e000 r5:c5fd32c0 r4:00000000 <4>[ 86.566255] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.573660] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c6c92000 r5:c5fd32c0 <4>[ 86.581753] r4:c5fd32c0 <4>[ 86.584559] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.591965] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 86.599981] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.607816] Exception stack(0xc6c93fa8 to 0xc6c93ff0) <4>[ 86.613139] 3fa0: 0000001f 0000001f 00000001 b6e9e000 0000001f 00000001 <4>[ 86.621587] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e9e000 00020000 0045fe38 <4>[ 86.630031] 3fe0: 00000004 be8927e8 b6f6433b b6edd616 <4>[ 86.635415] irq event stamp: 0 <4>[ 86.638749] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.644598] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.652459] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.660272] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.666150] ---[ end trace c88116889e02e441 ]--- <6>[ 86.671043] lkdtm: Negative detected: saturated # [ 86.338680] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 86.345836] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 86.352489] ------------[ cut here ]------------ # [ 86.357443] WARNING: CPU: 3 PID: 2895 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 86.366287] refcount_t: underflow; use-after-free. # [ 86.371350] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 86.403835] CPU: 3 PID: 2895 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 86.411846] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.418641] Backtrace: # [ 86.421370] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.429211] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 86.435146] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.442730] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.449962] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc # [ 86.457976] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.465727] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c6c92000 # [ 86.471660] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 86.480976] r9:c1ad7090 r8:c15ec020 r7:c6c93f60 r6:0000001f r5:00000000 r4:c6c92000 # [ 86.488996] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 86.499707] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 86.511631] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.521810] r5:c6ac0000 r4:00000031 # [ 86.525658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.533938] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.542126] r9:c6c93f60 r8:c517d180 r7:0000001f r6:b6e9e000 r5:c5fd32c0 r4:c0c5931c # [ 86.550144] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.558242] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6e9e000 r5:c5fd32c0 r4:00000000 # [ 86.566255] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.573660] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c6c92000 r5:c5fd32c0 # [ 86.581753] r4:c5fd32c0 # [ 86.584559] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.591965] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 86.599981] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.607816] Exception stack(0xc6c93fa8 to 0xc6c93ff0) # [ 86.613139] 3fa0: 0000001f 0000001f 00000001 b6e9e000 0000001f 00000001 # [ 86.621587] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e9e000 00020000 0045fe38 # [ 86.630031] 3fe0: 00000004 be8927e8 b6f6433b b6edd616 # [ 86.635415] irq event stamp: 0 # [ 86.638749] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.644598] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.652459] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.660272] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.666150] ---[ end trace c88116889e02e441 ]--- # [ 86.671043] 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>[ 87.152772] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 87.160026] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 87.166709] ------------[ cut here ]------------ <4>[ 87.171616] WARNING: CPU: 1 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 87.180468] refcount_t: underflow; use-after-free. <4>[ 87.185570] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 87.218059] CPU: 1 PID: 2931 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 87.226070] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.232862] Backtrace: <4>[ 87.235593] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.243436] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 87.249369] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.256955] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.264186] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc <4>[ 87.272200] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.279951] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c6cb2000 <4>[ 87.285884] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 87.295198] r9:c1ad70b0 r8:c15ec020 r7:c6cb3f60 r6:0000001f r5:c5caa000 r4:c6cb2000 <4>[ 87.303219] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 87.313932] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 87.325856] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.336033] r4:00000032 <4>[ 87.338838] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.347117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.355304] r9:c6cb3f60 r8:c517d180 r7:0000001f r6:b6de9000 r5:c5a7ba40 r4:c0c5931c <4>[ 87.363323] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.371423] r9:c07e2978 r8:c6cb3f60 r7:c290d000 r6:b6de9000 r5:c5a7ba40 r4:00000000 <4>[ 87.379439] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.386844] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6cb2000 r5:c5a7ba40 <4>[ 87.394938] r4:c5a7ba40 <4>[ 87.397742] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.405148] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 87.413162] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.420998] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) <4>[ 87.426320] 3fa0: 0000001f 0000001f 00000001 b6de9000 0000001f 00000001 <4>[ 87.434767] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6de9000 00020000 0044fe38 <4>[ 87.443211] 3fe0: 00000004 bee937e8 b6eaf33b b6e28616 <4>[ 87.448620] irq event stamp: 0 <4>[ 87.451970] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.457879] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.465682] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.473441] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.479321] ---[ end trace c88116889e02e442 ]--- <6>[ 87.484211] lkdtm: Negative detected: saturated # [ 87.152772] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 87.160026] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 87.166709] ------------[ cut here ]------------ # [ 87.171616] WARNING: CPU: 1 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 87.180468] refcount_t: underflow; use-after-free. # [ 87.185570] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 87.218059] CPU: 1 PID: 2931 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 87.226070] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.232862] Backtrace: # [ 87.235593] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.243436] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 87.249369] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.256955] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.264186] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc # [ 87.272200] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.279951] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c6cb2000 # [ 87.285884] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 87.295198] r9:c1ad70b0 r8:c15ec020 r7:c6cb3f60 r6:0000001f r5:c5caa000 r4:c6cb2000 # [ 87.303219] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 87.313932] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 87.325856] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.336033] r4:00000032 # [ 87.338838] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.347117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.355304] r9:c6cb3f60 r8:c517d180 r7:0000001f r6:b6de9000 r5:c5a7ba40 r4:c0c5931c # [ 87.363323] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.371423] r9:c07e2978 r8:c6cb3f60 r7:c290d000 r6:b6de9000 r5:c5a7ba40 r4:00000000 # [ 87.379439] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.386844] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6cb2000 r5:c5a7ba40 # [ 87.394938] r4:c5a7ba40 # [ 87.397742] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.405148] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 87.413162] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.420998] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) # [ 87.426320] 3fa0: 0000001f 0000001f 00000001 b6de9000 0000001f 00000001 # [ 87.434767] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6de9000 00020000 0044fe38 # [ 87.443211] 3fe0: 00000004 bee937e8 b6eaf33b b6e28616 # [ 87.448620] irq event stamp: 0 # [ 87.451970] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.457879] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.465682] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.473441] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.479321] ---[ end trace c88116889e02e442 ]--- # [ 87.484211] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 87.936925] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 87.942871] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 87.949583] lkdtm: Good: zero detected <6>[ 87.953608] lkdtm: Correctly stayed at zero <6>[ 87.958106] lkdtm: attempting bad refcount_inc() from zero <4>[ 87.963888] ------------[ cut here ]------------ <4>[ 87.969036] WARNING: CPU: 3 PID: 2964 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 87.977941] refcount_t: addition on 0; use-after-free. <4>[ 87.983364] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 88.015854] CPU: 3 PID: 2964 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 88.023867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.030660] Backtrace: <4>[ 88.033391] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.041232] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 88.047166] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.054752] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.061985] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2afcc <4>[ 88.069999] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.077750] r7:00000019 r6:c1a2afcc r5:c1a2afdc r4:c6c52000 <4>[ 88.083686] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 88.093000] r9:c1ad70d0 r8:c15ec020 r7:c6c53f60 r6:00000012 r5:00000000 r4:c6c52000 <4>[ 88.101020] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 88.110954] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 88.120966] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.130017] r5:c6ac0000 r4:00000033 <4>[ 88.133866] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.142145] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.150334] r9:c6c53f60 r8:c517d180 r7:00000012 r6:b6e05000 r5:c4697400 r4:c0c5931c <4>[ 88.158355] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.166455] r9:c07e2978 r8:c6c53f60 r7:c290d000 r6:b6e05000 r5:c4697400 r4:00000000 <4>[ 88.174469] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.181874] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c6c52000 r5:c4697400 <4>[ 88.189969] r4:c4697400 <4>[ 88.192775] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.200178] r9:c6c52000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 88.208192] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.216028] Exception stack(0xc6c53fa8 to 0xc6c53ff0) <4>[ 88.221352] 3fa0: 00000012 00000012 00000001 b6e05000 00000012 00000001 <4>[ 88.229800] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e05000 00020000 0045fe38 <4>[ 88.238245] 3fe0: 00000004 becc67e8 b6ecb33b b6e44616 <4>[ 88.243630] irq event stamp: 0 <4>[ 88.246986] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.252837] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.260647] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.268450] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.274300] ---[ end trace c88116889e02e443 ]--- <6>[ 88.279222] lkdtm: Zero detected: saturated # [ 87.936925] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 87.942871] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 87.949583] lkdtm: Good: zero detected # [ 87.953608] lkdtm: Correctly stayed at zero # [ 87.958106] lkdtm: attempting bad refcount_inc() from zero # [ 87.963888] ------------[ cut here ]------------ # [ 87.969036] WARNING: CPU: 3 PID: 2964 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 87.977941] refcount_t: addition on 0; use-after-free. # [ 87.983364] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 88.015854] CPU: 3 PID: 2964 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 88.023867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.030660] Backtrace: # [ 88.033391] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.041232] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 88.047166] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.054752] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.061985] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2afcc # [ 88.069999] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.077750] r7:00000019 r6:c1a2afcc r5:c1a2afdc r4:c6c52000 # [ 88.083686] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 88.093000] r9:c1ad70d0 r8:c15ec020 r7:c6c53f60 r6:00000012 r5:00000000 r4:c6c52000 # [ 88.101020] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 88.110954] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 88.120966] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.130017] r5:c6ac0000 r4:00000033 # [ 88.133866] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.142145] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.150334] r9:c6c53f60 r8:c517d180 r7:00000012 r6:b6e05000 r5:c4697400 r4:c0c5931c # [ 88.158355] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.166455] r9:c07e2978 r8:c6c53f60 r7:c290d000 r6:b6e05000 r5:c4697400 r4:00000000 # [ 88.174469] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.181874] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c6c52000 r5:c4697400 # [ 88.189969] r4:c4697400 # [ 88.192775] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.200178] r9:c6c52000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 88.208192] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.216028] Exception stack(0xc6c53fa8 to 0xc6c53ff0) # [ 88.221352] 3fa0: 00000012 00000012 00000001 b6e05000 00000012 00000001 # [ 88.229800] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e05000 00020000 0045fe38 # [ 88.238245] 3fe0: 00000004 becc67e8 b6ecb33b b6e44616 # [ 88.243630] irq event stamp: 0 # [ 88.246986] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.252837] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.260647] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.268450] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.274300] ---[ end trace c88116889e02e443 ]--- # [ 88.279222] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD<6>[ 88.738732] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO _ZERO.sh <6>[ 88.746568] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 88.754011] lkdtm: Good: zero detected <6>[ 88.758096] lkdtm: Correctly stayed at zero <6>[ 88.762554] lkdtm: attempting bad refcount_add() from zero <4>[ 88.768371] ------------[ cut here ]------------ <4>[ 88.773283] WARNING: CPU: 0 PID: 2999 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 88.782118] refcount_t: addition on 0; use-after-free. <4>[ 88.787658] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 88.820225] CPU: 0 PID: 2999 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 88.828240] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.835037] Backtrace: <4>[ 88.837774] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.845619] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 88.851556] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.859148] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.866384] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2afcc <4>[ 88.874404] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.882159] r7:00000019 r6:c1a2afcc r5:c1a2afdc r4:c6a70000 <4>[ 88.888094] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 88.897414] r9:c1ad70e4 r8:c15ec020 r7:c6a71f60 r6:00000012 r5:00000000 r4:c6a70000 <4>[ 88.905437] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 88.915372] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 88.925388] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.934443] r5:c473a000 r4:00000034 <4>[ 88.938295] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.946580] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.954772] r9:c6a71f60 r8:c517d180 r7:00000012 r6:b6e17000 r5:c4720dc0 r4:c0c5931c <4>[ 88.962796] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.970899] r9:c07e2978 r8:c6a71f60 r7:c290d000 r6:b6e17000 r5:c4720dc0 r4:00000000 <4>[ 88.978917] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.986327] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6a70000 r5:c4720dc0 <4>[ 88.994423] r4:c4720dc0 <4>[ 88.997234] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.004643] r9:c6a70000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 89.012663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.020501] Exception stack(0xc6a71fa8 to 0xc6a71ff0) <4>[ 89.025828] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000001 <4>[ 89.034278] 1fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e17000 00020000 0043fe38 <4>[ 89.042726] 1fe0: 00000004 be8717e8 b6edd33b b6e56616 <4>[ 89.048111] irq event stamp: 0 <4>[ 89.051450] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.057337] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.065788] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.073571] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.080912] ---[ end trace c88116889e02e444 ]--- <6>[ 89.085850] lkdtm: Zero detected: saturated # [ 88.738732] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 88.746568] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 88.754011] lkdtm: Good: zero detected # [ 88.758096] lkdtm: Correctly stayed at zero # [ 88.762554] lkdtm: attempting bad refcount_add() from zero # [ 88.768371] ------------[ cut here ]------------ # [ 88.773283] WARNING: CPU: 0 PID: 2999 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 88.782118] refcount_t: addition on 0; use-after-free. # [ 88.787658] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 88.820225] CPU: 0 PID: 2999 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 88.828240] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.835037] Backtrace: # [ 88.837774] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.845619] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 88.851556] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.859148] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.866384] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a2afcc # [ 88.874404] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.882159] r7:00000019 r6:c1a2afcc r5:c1a2afdc r4:c6a70000 # [ 88.888094] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 88.897414] r9:c1ad70e4 r8:c15ec020 r7:c6a71f60 r6:00000012 r5:00000000 r4:c6a70000 # [ 88.905437] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 88.915372] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 88.925388] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.934443] r5:c473a000 r4:00000034 # [ 88.938295] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.946580] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.954772] r9:c6a71f60 r8:c517d180 r7:00000012 r6:b6e17000 r5:c4720dc0 r4:c0c5931c # [ 88.962796] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.970899] r9:c07e2978 r8:c6a71f60 r7:c290d000 r6:b6e17000 r5:c4720dc0 r4:00000000 # [ 88.978917] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.986327] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6a70000 r5:c4720dc0 # [ 88.994423] r4:c4720dc0 # [ 88.997234] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.004643] r9:c6a70000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 89.012663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.020501] Exception stack(0xc6a71fa8 to 0xc6a71ff0) # [ 89.025828] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000001 # [ 89.034278] 1fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e17000 00020000 0043fe38 # [ 89.042726] 1fe0: 00000004 be8717e8 b6edd33b b6e56616 # [ 89.048111] irq event stamp: 0 # [ 89.051450] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.057337] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.065788] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.073571] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.080912] ---[ end trace c88116889e02e444 ]--- # [ 89.085850] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh <6>[ 89.618622] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 89.625002] lkdtm: attempting bad refcount_inc() from saturated <4>[ 89.631291] ------------[ cut here ]------------ <4>[ 89.636266] WARNING: CPU: 1 PID: 3037 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 89.644981] refcount_t: saturated; leaking memory. <4>[ 89.650106] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 89.682652] CPU: 1 PID: 3037 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 89.690667] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.697464] Backtrace: <4>[ 89.700199] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.708045] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 89.713985] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.721575] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.728814] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc <4>[ 89.736831] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.744584] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c46ec000 <4>[ 89.750521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 89.759753] r9:c1ad70f8 r8:c15ec020 r7:c46edf60 r6:00000017 r5:c59f1000 r4:c46ec000 <4>[ 89.767778] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 89.777712] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 89.788163] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.797650] r4:00000035 <4>[ 89.800459] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.808745] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.816937] r9:c46edf60 r8:c517d180 r7:00000017 r6:b6de7000 r5:c5fd2b40 r4:c0c5931c <4>[ 89.824963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.833067] r9:c07e2978 r8:c46edf60 r7:c290d000 r6:b6de7000 r5:c5fd2b40 r4:00000000 <4>[ 89.841085] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.848495] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c46ec000 r5:c5fd2b40 <4>[ 89.856591] r4:c5fd2b40 <4>[ 89.859400] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.866808] r9:c46ec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 89.874828] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.882667] Exception stack(0xc46edfa8 to 0xc46edff0) <4>[ 89.887993] dfa0: 00000017 00000017 00000001 b6de7000 00000017 00000001 <4>[ 89.896443] dfc0: 00000017 00000017 7ff00000 00000004 00000001 b6de7000 00020000 0045fe38 <4>[ 89.904890] dfe0: 00000004 be8ba7e8 b6ead33b b6e26616 <4>[ 89.910288] irq event stamp: 0 <4>[ 89.913626] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.919518] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.927395] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.935245] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.941105] ---[ end trace c88116889e02e445 ]--- <6>[ 89.946067] lkdtm: Saturation detected: still saturated # [ 89.618622] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 89.625002] lkdtm: attempting bad refcount_inc() from saturated # [ 89.631291] ------------[ cut here ]------------ # [ 89.636266] WARNING: CPU: 1 PID: 3037 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 89.644981] refcount_t: saturated; leaking memory. # [ 89.650106] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 89.682652] CPU: 1 PID: 3037 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 89.690667] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.697464] Backtrace: # [ 89.700199] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.708045] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 89.713985] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.721575] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.728814] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc # [ 89.736831] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.744584] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c46ec000 # [ 89.750521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 89.759753] r9:c1ad70f8 r8:c15ec020 r7:c46edf60 r6:00000017 r5:c59f1000 r4:c46ec000 # [ 89.767778] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 89.777712] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 89.788163] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.797650] r4:00000035 # [ 89.800459] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.808745] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.816937] r9:c46edf60 r8:c517d180 r7:00000017 r6:b6de7000 r5:c5fd2b40 r4:c0c5931c # [ 89.824963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.833067] r9:c07e2978 r8:c46edf60 r7:c290d000 r6:b6de7000 r5:c5fd2b40 r4:00000000 # [ 89.841085] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.848495] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c46ec000 r5:c5fd2b40 # [ 89.856591] r4:c5fd2b40 # [ 89.859400] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.866808] r9:c46ec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 89.874828] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.882667] Exception stack(0xc46edfa8 to 0xc46edff0) # [ 89.887993] dfa0: 00000017 00000017 00000001 b6de7000 00000017 00000001 # [ 89.896443] dfc0: 00000017 00000017 7ff00000 00000004 00000001 b6de7000 00020000 0045fe38 # [ 89.904890] dfe0: 00000004 be8ba7e8 b6ead33b b6e26616 # [ 89.910288] irq event stamp: 0 # [ 89.913626] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.919518] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.927395] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.935245] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.941105] ---[ end trace c88116889e02e445 ]--- # [ 89.946067] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh <6>[ 90.431773] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 90.438248] lkdtm: attempting bad refcount_dec() from saturated <4>[ 90.444447] ------------[ cut here ]------------ <4>[ 90.449413] WARNING: CPU: 3 PID: 3073 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.458205] refcount_t: decrement hit 0; leaking memory. <4>[ 90.463798] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 90.496363] CPU: 3 PID: 3073 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 90.504379] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.511174] Backtrace: <4>[ 90.513914] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.521759] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 90.527697] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.535287] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.542524] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2afcc <4>[ 90.550543] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.558297] r7:0000001f r6:c1a2afcc r5:c1a2b030 r4:c5d12000 <4>[ 90.564234] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 90.573467] r9:c1ad7110 r8:c15ec020 r7:c5d13f60 r6:00000017 r5:c6adf000 r4:c5d12000 <4>[ 90.581491] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 90.591425] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 90.601882] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.611368] r4:00000036 <4>[ 90.614181] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.622467] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.630659] r9:c5d13f60 r8:c517d180 r7:00000017 r6:b6dab000 r5:c4696280 r4:c0c5931c <4>[ 90.638684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.646788] r9:c07e2978 r8:c5d13f60 r7:c290d000 r6:b6dab000 r5:c4696280 r4:00000000 <4>[ 90.654808] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.662219] r10:00000004 r9:00000000 r8:00000000 r7:b6dab000 r6:c5d12000 r5:c4696280 <4>[ 90.670315] r4:c4696280 <4>[ 90.673124] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.680535] r9:c5d12000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 90.688558] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.696397] Exception stack(0xc5d13fa8 to 0xc5d13ff0) <4>[ 90.701725] 3fa0: 00000017 00000017 00000001 b6dab000 00000017 00000001 <4>[ 90.710176] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dab000 00020000 004cfe38 <4>[ 90.718624] 3fe0: 00000004 beada7e8 b6e7133b b6dea616 <4>[ 90.724015] irq event stamp: 0 <4>[ 90.727423] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.733295] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.741109] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.748911] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.754764] ---[ end trace c88116889e02e446 ]--- <6>[ 90.759717] lkdtm: Saturation detected: still saturated # [ 0.000000] Early memory node ranges # [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] # [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] # [ 0.000000] On node 0 totalpages: 262144 # [ 0.000000] DMA zone: 1536 pages used for memmap # [ 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/14531253/extract-nfsrootfs-9_dn__3d,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 56155 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 90.431773] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.438248] lkdtm: attempting bad refcount_dec() from saturated # [ 90.444447] ------------[ cut here ]------------ # [ 90.449413] WARNING: CPU: 3 PID: 3073 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.458205] refcount_t: decrement hit 0; leaking memory. # [ 90.463798] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 90.496363] CPU: 3 PID: 3073 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 90.504379] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.511174] Backtrace: # [ 90.513914] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.521759] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 90.527697] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.535287] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.542524] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2afcc # [ 90.550543] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.558297] r7:0000001f r6:c1a2afcc r5:c1a2b030 r4:c5d12000 # [ 90.564234] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.573467] r9:c1ad7110 r8:c15ec020 r7:c5d13f60 r6:00000017 r5:c6adf000 r4:c5d12000 # [ 90.581491] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.591425] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 90.601882] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.611368] r4:00000036 # [ 90.614181] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.622467] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.630659] r9:c5d13f60 r8:c517d180 r7:00000017 r6:b6dab000 r5:c4696280 r4:c0c5931c # [ 90.638684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.646788] r9:c07e2978 r8:c5d13f60 r7:c290d000 r6:b6dab000 r5:c4696280 r4:00000000 # [ 90.654808] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.662219] r10:00000004 r9:00000000 r8:00000000 r7:b6dab000 r6:c5d12000 r5:c4696280 # [ 90.670315] r4:c4696280 # [ 90.673124] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.680535] r9:c5d12000 r<6>[ 91.278590] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 8:c03002e4 r7:00000004 r6:7ff0000<6>[ 91.286346] lkdtm: attempting bad refcount_dec() from saturated 0 r5:00000017 r4:00000017 # [ <4>[ 91.295406] ------------[ cut here ]------------ 90.688558] [] (sys_writ<4>[ 91.303165] WARNING: CPU: 0 PID: 3109 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 e) from [] (ret_fast_sy<4>[ 91.314852] refcount_t: saturated; leaking memory. scall+0x0/0x28) # [ 90.696397]<4>[ 91.322735] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 Exception stack(0xc5d13fa8 to 0x<4>[ 91.357854] CPU: 0 PID: 3109 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 91.368598] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.375391] Backtrace: <4>[ 91.378122] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.385962] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 91.391896] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.399485] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.406719] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc <4>[ 91.414734] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.422486] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c46ec000 <4>[ 91.428420] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 91.437651] r9:c1ad7128 r8:c15ec020 r7:c46edf60 r6:00000017 r5:c6eae000 r4:c46ec000 <4>[ 91.445670] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 91.455599] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 91.466046] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.475531] r4:00000037 <4>[ 91.478335] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.486616] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.494804] r9:c46edf60 r8:c517d180 r7:00000017 r6:b6e16000 r5:c4721e00 r4:c0c5931c <4>[ 91.502825] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.510925] r9:c07e2978 r8:c46edf60 r7:c290d000 r6:b6e16000 r5:c4721e00 r4:00000000 <4>[ 91.518940] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.526345] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c46ec000 r5:c4721e00 <4>[ 91.534439] r4:c4721e00 <4>[ 91.537246] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.544650] r9:c46ec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 91.552667] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.560503] Exception stack(0xc46edfa8 to 0xc46edff0) <4>[ 91.565827] dfa0: 00000017 00000017 00000001 b6e16000 00000017 00000001 <4>[ 91.574274] dfc0: 00000017 00000017 7ff00000 00000004 00000001 b6e16000 00020000 004efe38 <4>[ 91.582718] dfe0: 00000004 bedb07e8 b6edc33b b6e55616 c5d13ff0) # [ 90.701725] 3fa0:<4>[ 91.588131] irq event stamp: 0 00000017 00000<4>[ 91.594296] hardirqs last enabled at (0): [<00000000>] 0x0 017 00000001 b6dab000 00000017 00<4>[ 91.604060] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 000001 # [ 90.710176] 3fc0: 00<4>[ 91.613699] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 000017 00000017 7ff00000 00000004<4>[ 91.624295] softirqs last disabled at (0): [<00000000>] 0x0 00000001 b6dab000 00020000 004cf<4>[ 91.633004] ---[ end trace c88116889e02e447 ]--- e38 # [ 90.718624] 3fe0: 00000<6>[ 91.640774] lkdtm: Saturation detected: still saturated 004 beada7e8 b6e7133b b6dea616 # [ 90.724015] irq event stamp: 0 # [ 90.727423] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.733295] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.741109] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.748911] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.754764] ---[ end trace c88116889e02e446 ]--- # [ 90.759717] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 91.278590] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 91.286346] lkdtm: attempting bad refcount_dec() from saturated # [ 91.295406] ------------[ cut here ]------------ # [ 91.303165] WARNING: CPU: 0 PID: 3109 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 91.314852] refcount_t: saturated; leaking memory. # [ 91.322735] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 91.357854] CPU: 0 PID: 3109 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 91.368598] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.375391] Backtrace: # [ 91.378122] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.385962] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 91.391896] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.399485] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.406719] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2afcc # [ 91.414734] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.422486] r7:00000016 r6:c1a2afcc r5:c1a2afa4 r4:c46ec000 # [ 91.428420] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 91.437651] r9:c1ad7128 r8:c15ec020 r7:c46edf60 r6:00000017 r5:c6eae000 r4:c46ec000 # [ 91.445670] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 91.455599] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 91.466046] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.475531] r4:00000037 # [ 91.478335] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.486616] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.494804] r9:c46edf60 r8:c517d180 r7:00000017 r6:b6e16000 r5:c4721e00 r4:c0c5931c # [ 91.502825] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.510925] r9:c07e2978 r8:c46edf60 r7:c290d000 r6:b6e16000 r5:c4721e00 r4:00000000 # [ 91.518940] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.526345] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c46ec000 r5:c4721e00 # [ 91.534439] r4:c4721e00 # [ 91.537246] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.544650] r9:c46ec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 91.552667] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.560503] Exception stack(0xc46edfa8 to 0xc46edff0) # [ 91.565827] dfa0: 00000017 00000017 00000001 b6e16000 00000017 00000001 # [ 91.574274] dfc0: 00000017 00000017 7ff00000 00000004 00000001 b6e16000 00020000 004efe38 # [ 91.582718] dfe0: 00000004 bedb07e8 b6edc33b b6e55616 # [ 91.588131] irq event stamp: 0 # [ 91.594296] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.604060] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.613699] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.624295] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.633004] ---[ end trace c88116889e02e447 ]--- # [ 91.640774] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh <6>[ 92.154311] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 92.161543] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 92.168561] ------------[ cut here ]------------ <4>[ 92.173474] WARNING: CPU: 0 PID: 3142 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 92.182255] refcount_t: saturated; leaking memory. <4>[ 92.187357] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 92.220018] CPU: 0 PID: 3142 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 92.228045] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.234842] Backtrace: <4>[ 92.237581] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.245427] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 92.251368] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.258961] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.266198] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc <4>[ 92.274218] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.281973] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c5aae000 <4>[ 92.287910] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 92.297142] r9:c1ad7140 r8:c15ec020 r7:c5aaff60 r6:00000020 r5:c6eaf000 r4:c0000000 <4>[ 92.305168] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 92.315883] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 92.327891] r5:c6eaf000 r4:c5aae000 <4>[ 92.331751] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.342019] r4:00000038 <4>[ 92.344832] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.353119] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.361311] r9:c5aaff60 r8:c517d180 r7:00000020 r6:b6e5b000 r5:c59fe780 r4:c0c5931c <4>[ 92.369335] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.377439] r9:c07e2978 r8:c5aaff60 r7:c290d000 r6:b6e5b000 r5:c59fe780 r4:00000000 <4>[ 92.385459] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.392870] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c5aae000 r5:c59fe780 <4>[ 92.400967] r4:c59fe780 <4>[ 92.403778] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.411187] r9:c5aae000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 92.419208] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.427046] Exception stack(0xc5aaffa8 to 0xc5aafff0) <4>[ 92.432372] ffa0: 00000020 00000020 00000001 b6e5b000 00000020 00000001 <4>[ 92.440826] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6e5b000 00020000 0042fe38 <4>[ 92.449274] ffe0: 00000004 be8157e8 b6f2133b b6e9a616 <4>[ 92.454680] irq event stamp: 0 <4>[ 92.458047] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.463904] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.471695] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.479482] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.485357] ---[ end trace c88116889e02e448 ]--- <6>[ 92.490251] lkdtm: Saturation detected: still saturated # [ 92.154311] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.161543] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.168561] ------------[ cut here ]------------ # [ 92.173474] WARNING: CPU: 0 PID: 3142 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 92.182255] refcount_t: saturated; leaking memory. # [ 92.187357] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 92.220018] CPU: 0 PID: 3142 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 92.228045] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.234842] Backtrace: # [ 92.237581] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.245427] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 92.251368] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.258961] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.266198] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc # [ 92.274218] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.281973] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c5aae000 # [ 92.287910] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 92.297142] r9:c1ad7140 r8:c15ec020 r7:c5aaff60 r6:00000020 r5:c6eaf000 r4:c0000000 # [ 92.305168] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 92.315883] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 92.327891] r5:c6eaf000 r4:c5aae000 # [ 92.331751] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.342019] r4:00000038 # [ 92.344832] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.353119] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.361311] r9:c5aaff60 r8:c517d180 r7:00000020 r6:b6e5b000 r5:c59fe780 r4:c0c5931c # [ 92.369335] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.377439] r9:c07e2978 r8:c5aaff60 r7:c290d000 r6:b6e5b000 r5:c59fe780 r4:00000000 # [ 92.385459] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.392870] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c5aae000 r5:c59fe780 # [ 92.400967] r4:c59fe780 # [ 92.403778] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.411187] r9:c5aae000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 92.419208] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.427046] Exception stack(0xc5aaffa8 to 0xc5aafff0) # [ 92.432372] ffa0: 00000020 00000020 00000001 b6e5b000 00000020 00000001 # [ 92.440826] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6e5b000 00020000 0042fe38 # [ 92.449274] ffe0: 00000004 be8157e8 b6f2133b b6e9a616 # [ 92.454680] irq event stamp: 0 # [ 92.458047] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.463904] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.471695] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.479482] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.485357] ---[ end trace c88116889e02e448 ]--- # [ 92.490251] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 92.988020] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 92.995278] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 93.002258] ------------[ cut here ]------------ <4>[ 93.007273] WARNING: CPU: 3 PID: 3177 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 93.016031] refcount_t: saturated; leaking memory. <4>[ 93.021099] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 93.053675] CPU: 3 PID: 3177 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 93.061691] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.068490] Backtrace: <4>[ 93.071228] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.079072] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 93.085009] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.092599] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.099836] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc <4>[ 93.107858] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.115614] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c6a16000 <4>[ 93.121552] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 93.130786] r9:c1ad7160 r8:c15ec020 r7:c6a17f60 r6:00000020 r5:c6ac0000 r4:c0000000 <4>[ 93.138812] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 93.149526] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 93.161534] r5:c6ac0000 r4:c6a16000 <4>[ 93.165390] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.175659] r4:00000039 <4>[ 93.178472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.186758] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.194950] r9:c6a17f60 r8:c517d180 r7:00000020 r6:b6db2000 r5:c47217c0 r4:c0c5931c <4>[ 93.202975] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.211080] r9:c07e2978 r8:c6a17f60 r7:c290d000 r6:b6db2000 r5:c47217c0 r4:00000000 <4>[ 93.219100] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.226510] r10:00000004 r9:00000000 r8:00000000 r7:b6db2000 r6:c6a16000 r5:c47217c0 <4>[ 93.234607] r4:c47217c0 <4>[ 93.237419] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.244829] r9:c6a16000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 93.252850] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.260690] Exception stack(0xc6a17fa8 to 0xc6a17ff0) <4>[ 93.266018] 7fa0: 00000020 00000020 00000001 b6db2000 00000020 00000001 <4>[ 93.274469] 7fc0: 00000020 00000020 7ff00000 00000004 00000001 b6db2000 00020000 004efe38 <4>[ 93.282917] 7fe0: 00000004 be9ba7e8 b6e7833b b6df1616 <4>[ 93.288292] irq event stamp: 0 <4>[ 93.291632] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.297525] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.305352] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.313126] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.319043] ---[ end trace c88116889e02e449 ]--- <6>[ 93.323941] lkdtm: Saturation detected: still saturated # [ 92.988020] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 92.995278] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 93.002258] ------------[ cut here ]------------ # [ 93.007273] WARNING: CPU: 3 PID: 3177 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 93.016031] refcount_t: saturated; leaking memory. # [ 93.021099] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 93.053675] CPU: 3 PID: 3177 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 93.061691] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.068490] Backtrace: # [ 93.071228] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.079072] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 93.085009] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.092599] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.099836] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2afcc # [ 93.107858] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.115614] r7:00000013 r6:c1a2afcc r5:c1a2afa4 r4:c6a16000 # [ 93.121552] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 93.130786] r9:c1ad7160 r8:c15ec020 r7:c6a17f60 r6:00000020 r5:c6ac0000 r4:c0000000 # [ 93.138812] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 93.149526] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 93.161534] r5:c6ac0000 r4:c6a16000 # [ 93.165390] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.175659] r4:00000039 # [ 93.178472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.186758] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.194950] r9:c6a17f60 r8:c517d180 r7:00000020 r6:b6db2000 r5:c47217c0 r4:c0c5931c # [ 93.202975] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.211080] r9:c07e2978 r8:c6a17f60 r7:c290d000 r6:b6db2000 r5:c47217c0 r4:00000000 # [ 93.219100] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.226510] r10:00000004 r9:00000000 r8:00000000 r7:b6db2000 r6:c6a16000 r5:c47217c0 # [ 93.234607] r4:c47217c0 # [ 93.237419] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.244829] r9:c6a16000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 93.252850] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.260690] Exception stack(0xc6a17fa8 to 0xc6a17ff0) # [ 93.266018] 7fa0: 00000020 00000020 00000001 b6db2000 00000020 00000001 # [ 93.274469] 7fc0: 00000020 00000020 7ff00000 00000004 00000001 b6db2000 00020000 004efe38 # [ 93.282917] 7fe0: 00000004 be9ba7e8 b6e7833b b6df1616 # [ 93.288292] irq event stamp: 0 # [ 93.291632] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.297525] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.305352] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.313126] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.319043] ---[ end trace c88116889e02e449 ]--- # [ 93.323941] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 93.831006] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 93.838305] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 93.845432] ------------[ cut here ]------------ <4>[ 93.850369] WARNING: CPU: 1 PID: 3215 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 93.859195] refcount_t: underflow; use-after-free. <4>[ 93.864257] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 93.896757] CPU: 1 PID: 3215 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 93.904768] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.911562] Backtrace: <4>[ 93.914293] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.922134] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 93.928067] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.935653] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.942887] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc <4>[ 93.950902] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.958652] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c5cda000 <4>[ 93.964585] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 93.973901] r9:c1ad7180 r8:c15ec020 r7:c5cdbf60 r6:00000020 r5:c59f1000 r4:c5cda000 <4>[ 93.981923] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 93.992638] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 94.004649] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.014914] r4:0000003a <4>[ 94.017722] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.026002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.034189] r9:c5cdbf60 r8:c517d180 r7:00000020 r6:b6e52000 r5:c5a69040 r4:c0c5931c <4>[ 94.042211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.050312] r9:c07e2978 r8:c5cdbf60 r7:c290d000 r6:b6e52000 r5:c5a69040 r4:00000000 <4>[ 94.058326] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.065732] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c5cda000 r5:c5a69040 <4>[ 94.073827] r4:c5a69040 <4>[ 94.076634] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.084040] r9:c5cda000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 94.092055] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.099892] Exception stack(0xc5cdbfa8 to 0xc5cdbff0) <4>[ 94.105215] bfa0: 00000020 00000020 00000001 b6e52000 00000020 00000001 <4>[ 94.113661] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6e52000 00020000 004bfe38 <4>[ 94.122105] bfe0: 00000004 bec487e8 b6f1833b b6e91616 <4>[ 94.127494] irq event stamp: 0 <4>[ 94.130826] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.136704] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.144492] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.152303] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.158192] ---[ end trace c88116889e02e44a ]--- <6>[ 94.163090] lkdtm: Saturation detected: still saturated # [ 93.831006] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 93.838305] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 93.845432] ------------[ cut here ]------------ # [ 93.850369] WARNING: CPU: 1 PID: 3215 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 93.859195] refcount_t: underflow; use-after-free. # [ 93.864257] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 93.896757] CPU: 1 PID: 3215 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 93.904768] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.911562] Backtrace: # [ 93.914293] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.922134] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 93.928067] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.935653] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.942887] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc # [ 93.950902] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.958652] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c5cda000 # [ 93.964585] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 93.973901] r9:c1ad7180 r8:c15ec020 r7:c5cdbf60 r6:00000020 r5:c59f1000 r4:c5cda000 # [ 93.981923] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 93.992638] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 94.004649] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.014914] r4:0000003a # [ 94.017722] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.026002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.034189] r9:c5cdbf60 r8:c517d180 r7:00000020 r6:b6e52000 r5:c5a69040 r4:c0c5931c # [ 94.042211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.050312] r9:c07e2978 r8:c5cdbf60 r7:c290d000 r6:b6e52000 r5:c5a69040 r4:00000000 # [ 94.058326] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.065732] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c5cda000 r5:c5a69040 # [ 94.073827] r4:c5a69040 # [ 94.076634] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.084040] r9:c5cda000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 94.092055] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.099892] Exception stack(0xc5cdbfa8 to 0xc5cdbff0) # [ 94.105215] bfa0: 00000020 00000020 00000001 b6e52000 00000020 00000001 # [ 94.113661] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6e52000 00020000 004bfe38 # [ 94.122105] bfe0: 00000004 bec487e8 b6f1833b b6e91616 # [ 94.127494] irq event stamp: 0 # [ 94.130826] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.136704] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.144492] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.152303] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.158192] ---[ end trace c88116889e02e44a ]--- # [ 94.163090] 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>[ 94.651330] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 94.658557] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 94.665579] ------------[ cut here ]------------ <4>[ 94.670491] WARNING: CPU: 2 PID: 3251 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 94.679453] refcount_t: underflow; use-after-free. <4>[ 94.684546] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 <4>[ 94.717043] CPU: 2 PID: 3251 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 94.725057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.731851] Backtrace: <4>[ 94.734582] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.742423] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 94.748358] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.755943] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.763174] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc <4>[ 94.771191] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.778941] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c6c92000 <4>[ 94.784876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 94.794192] r9:c1ad71a0 r8:c15ec020 r7:c6c93f60 r6:00000020 r5:c40ee000 r4:c6c92000 <4>[ 94.802213] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 94.812926] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 94.824937] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.835203] r4:0000003b <4>[ 94.838011] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.846291] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.854479] r9:c6c93f60 r8:c517d180 r7:00000020 r6:b6e2f000 r5:c5fd3900 r4:c0c5931c <4>[ 94.862499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.870599] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6e2f000 r5:c5fd3900 r4:00000000 <4>[ 94.878613] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.886018] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6c92000 r5:c5fd3900 <4>[ 94.894111] r4:c5fd3900 <4>[ 94.896916] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.904322] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 94.912338] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.920173] Exception stack(0xc6c93fa8 to 0xc6c93ff0) <4>[ 94.925498] 3fa0: 00000020 00000020 00000001 b6e2f000 00000020 00000001 <4>[ 94.933945] 3fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e2f000 00020000 0044fe38 <4>[ 94.942389] 3fe0: 00000004 be99d7e8 b6ef533b b6e6e616 <4>[ 94.947778] irq event stamp: 0 <4>[ 94.951130] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.957016] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.964778] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.972567] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.978444] ---[ end trace c88116889e02e44b ]--- <6>[ 94.983333] lkdtm: Saturation detected: still saturated # [ 94.651330] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.658557] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.665579] ------------[ cut here ]------------ # [ 94.670491] WARNING: CPU: 2 PID: 3251 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 94.679453] refcount_t: underflow; use-after-free. # [ 94.684546] 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 can_dev parallel_display etnaviv dw_hdmi_imx imx_ldb dw_hdmi imxdrm gpu_sched imx_ipu_v3 # [ 94.717043] CPU: 2 PID: 3251 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 94.725057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.731851] Backtrace: # [ 94.734582] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.742423] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 94.748358] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.755943] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.763174] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a2afcc # [ 94.771191] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.778941] r7:0000001c r6:c1a2afcc r5:c1a2b008 r4:c6c92000 # [ 94.784876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 94.794192] r9:c1ad71a0 r8:c15ec020 r7:c6c93f60 r6:00000020 r5:c40ee000 r4:c6c92000 # [ 94.802213] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 94.812926] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 94.824937] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.835203] r4:0000003b # [ 94.838011] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.846291] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.854479] r9:c6c93f60 r8:c517d180 r7:00000020 r6:b6e2f000 r5:c5fd3900 r4:c0c5931c # [ 94.862499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.870599] r9:c07e2978 r8:c6c93f60 r7:c290d000 r6:b6e2f000 r5:c5fd3900 r4:00000000 # [ 94.878613] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.886018] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6c92000 r5:c5fd3900 # [ 94.894111] r4:c5fd3900 # [ 94.896916] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.904322] r9:c6c92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 94.912338] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.920173] Exception stack(0xc6c93fa8 to 0xc6c93ff0) # [ 94.925498] 3fa0: 00000020 00000020 00000001 b6e2f000 00000020 00000001 # [ 94.933945] 3fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e2f000 00020000 0044fe38 # [ 94.942389] 3fe0: 00000004 be99d7e8 b6ef533b b6e6e616 # [ 94.947778] irq event stamp: 0 # [ 94.951130] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.957016] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.964778] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.972567] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.978444] ---[ end trace c88116889e02e44b ]--- # [ 94.983333] 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>[ 95.853575] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 95.859960] lkdtm: attempting good copy_to_user of correct size <6>[ 95.866261] lkdtm: attempting bad copy_to_user of too large size # [ 95.853575] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.859960] lkdtm: attempting good copy_to_user of correct size # [ 95.866261] 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>[ 96.308609] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 96.315093] lkdtm: attempting good copy_from_user of correct size <6>[ 96.321553] lkdtm: attempting bad copy_from_user of too large size # [ 96.308609] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 96.315093] lkdtm: attempting good copy_from_user of correct size # [ 96.321553] 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>[ 96.767644] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 96.774397] lkdtm: attempting good copy_to_user inside whitelist <6>[ 96.780777] lkdtm: attempting bad copy_to_user outside whitelist # [ 96.767644] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.774397] lkdtm: attempting good copy_to_user inside whitelist # [ 96.780777] 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>[ 97.224088] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 97.231096] lkdtm: attempting good copy_from_user inside whitelist <6>[ 97.237638] lkdtm: attempting bad copy_from_user outside whitelist # [ 97.224088] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 97.231096] lkdtm: attempting good copy_from_user inside whitelist # [ 97.237638] 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>[ 97.689335] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 97.695913] lkdtm: good_stack: c5d13e0c-c5d13e2c <6>[ 97.700841] lkdtm: bad_stack : c5d13d84-c5d13da4 <6>[ 97.705792] lkdtm: attempting good copy_to_user of local stack <6>[ 97.711937] lkdtm: attempting bad copy_to_user of distant stack # [ 97.689335] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 97.695913] lkdtm: good_stack: c5d13e0c-c5d13e2c # [ 97.700841] lkdtm: bad_stack : c5d13d84-c5d13da4 # [ 97.705792] lkdtm: attempting good copy_to_user of local stack # [ 97.711937] 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>[ 98.148529] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 98.155240] lkdtm: good_stack: c59cde0c-c59cde2c <6>[ 98.160135] lkdtm: bad_stack : c59cdd84-c59cdda4 <6>[ 98.165039] lkdtm: attempting good copy_from_user of local stack <6>[ 98.171387] lkdtm: attempting bad copy_from_user of distant stack # [ 98.148529] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 98.155240] lkdtm: good_stack: c59cde0c-c59cde2c # [ 98.160135] lkdtm: bad_stack : c59cdd84-c59cdda4 # [ 98.165039] lkdtm: attempting good copy_from_user of local stack # [ 98.171387] 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>[ 98.630289] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 98.636646] lkdtm: good_stack: c6cb3e0c-c6cb3e2c <6>[ 98.641536] lkdtm: bad_stack : c6cb3ffc-c6cb401c <6>[ 98.646466] lkdtm: attempting good copy_to_user of local stack <6>[ 98.652608] lkdtm: attempting bad copy_to_user of distant stack # [ 98.630289] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 98.636646] lkdtm: good_stack: c6cb3e0c-c6cb3e2c # [ 98.641536] lkdtm: bad_stack : c6cb3ffc-c6cb401c # [ 98.646466] lkdtm: attempting good copy_to_user of local stack # [ 98.652608] 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>[ 99.114944] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 99.120773] lkdtm: attempting good copy_to_user from kernel rodata: c15ec2cc <6>[ 99.128211] lkdtm: attempting bad copy_to_user from kernel text: c053e244 <3>[ 99.135363] lkdtm: FAIL: survived bad copy_to_user() # [ 99.114944] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.120773] lkdtm: attempting good copy_to_user from kernel rodata: c15ec2cc # [ 99.128211] lkdtm: attempting bad copy_to_user from kernel text: c053e244 # [ 99.135363] 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>[ 99.609675] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 99.615670] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 99.622943] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 99.630151] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 99.636551] CPU: 0 PID: 3627 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 99.644577] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.651371] Backtrace: <4>[ 99.654104] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.661945] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 <4>[ 99.667879] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.675465] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 99.684262] r9:c1ad72a8 r8:c15ec020 r7:c6833f60 r6:c6833e34 r5:c6832000 r4:0000078d <4>[ 99.692279] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.701334] r8:c15ec020 r7:c6833f60 r6:00000012 r5:c6a17000 r4:00000046 <4>[ 99.708306] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.716587] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.724774] r9:c6833f60 r8:c517d180 r7:00000012 r6:b6e74000 r5:c47c32c0 r4:c0c5931c <4>[ 99.732795] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.740895] r9:c07e2978 r8:c6833f60 r7:c290d000 r6:b6e74000 r5:c47c32c0 r4:00000000 <4>[ 99.748910] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.756316] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6832000 r5:c47c32c0 <4>[ 99.764410] r4:c47c32c0 <4>[ 99.767217] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.774621] r9:c6832000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 99.782637] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.790472] Exception stack(0xc6833fa8 to 0xc6833ff0) <4>[ 99.795796] 3fa0: 00000012 00000012 00000001 b6e74000 00000012 00000001 <4>[ 99.804244] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e74000 00020000 0043fe38 <4>[ 99.812689] 3fe0: 00000004 be9eb7e8 b6f3a33b b6eb3616 # [ 99.609675] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 99.615670] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 99.622943] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 99.630151] lkdtm: FAIL: the thread stack is NOT properly erased # [ 99.636551] CPU: 0 PID: 3627 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 99.644577] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.651371] Backtrace: # [ 99.654104] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.661945] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d058 # [ 99.667879] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.675465] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 99.684262] r9:c1ad72a8 r8:c15ec020 r7:c6833f60 r6:c6833e34 r5:c6832000 r4:0000078d # [ 99.692279] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.701334] r8:c15ec020 r7:c6833f60 r6:00000012 r5:c6a17000 r4:00000046 # [ 99.708306] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.716587] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.724774] r9:c6833f60 r8:c517d180 r7:00000012 r6:b6e74000 r5:c47c32c0 r4:c0c5931c # [ 99.732795] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.740895] r9:c07e2978 r8:c6833f60 r7:c290d000 r6:b6e74000 r5:c47c32c0 r4:00000000 # [ 99.748910] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.756316] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6832000 r5:c47c32c0 # [ 99.764410] r4:c47c32c0 # [ 99.767217] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.774621] r9:c6832000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 99.782637] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.790472] Exception stack(0xc6833fa8 to 0xc6833ff0) # [ 99.795796] 3fa0: 00000012 00000012 00000001 b6e74000 00000012 00000001 # [ 99.804244] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e74000 00020000 0043fe38 # [ 99.812689] 3fe0: 00000004 be9eb7e8 b6f3a33b b6eb3616 # 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>[ 100.284788] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 100.290827] lkdtm: Calling matched prototype ... <6>[ 100.295778] lkdtm: Calling mismatched prototype ... <6>[ 100.300934] lkdtm: Fail: survived mismatched prototype function call! # [ 100.284788] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.290827] lkdtm: Calling matched prototype ... # [ 100.295778] lkdtm: Calling mismatched prototype ... # [ 100.300934] 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 / #