[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.35 (9 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12521944/tftp-deploy-1bp5yrli/kernel/zImage tftp 0x10000000 12521944/tftp-deploy-1bp5yrli/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '12521944/tftp-deploy-1bp5yrli/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 10.4 MiB/s done Bytes transferred = 12546560 (bf7200 hex) => tftp 0x14000000 12521944/tftp-deploy-1bp5yrli/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12521944/tftp-deploy-1bp5yrli/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '12521944/tftp-deploy-1bp5yrli/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 5.9 MiB/s done Bytes transferred = 15344723 (ea2453 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12521944/tftp-deploy-1bp5yrli/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12521944/tftp-deploy-1bp5yrli/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '12521944/tftp-deploy-1bp5yrli/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12521944/extract-nfsrootfs-ebs_u2ip,tcp,hard 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/12521944/extract-nfsrootfs-ebs_u2ip,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15344659 Bytes = 14.6 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 5.10.207-cip41 (KernelCI@build-j76188-arm-gcc-10-multi-v7-defconfig-kselftest-8xbbs) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jan 13 05:56:42 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/12521944/extract-nfsrootfs-ebs_u2ip,tcp,hard 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: 921472K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61568K 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 56142 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>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022961] Console: colour dummy device 80x30 <4>[ 0.024867] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032875] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037220] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041629] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046266] ... CLASSHASH_SIZE: 4096 <4>[ 0.050851] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055573] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060248] ... CHAINHASH_SIZE: 32768 <4>[ 0.064946] memory used by lock dependency info: 4061 kB <4>[ 0.070625] memory used for stack traces: 2112 kB <4>[ 0.075670] per task-struct memory footprint: 1536 bytes <6>[ 0.081360] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091776] CPU: Testing write buffer coherency: ok <6>[ 0.096908] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102184] pid_max: default: 32768 minimum: 301 <6>[ 0.107379] LSM: Security Framework initializing <6>[ 0.112004] LSM support for eBPF active <6>[ 0.116155] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123604] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135061] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141577] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147986] rcu: Hierarchical SRCU implementation. <6>[ 0.159382] EFI services will not be available. <6>[ 0.162447] smp: Bringing up secondary CPUs ... <6>[ 0.168987] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169003] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180777] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180793] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192218] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192233] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201251] smp: Brought up 1 node, 4 CPUs <6>[ 0.204977] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211513] CPU: All CPU(s) started in SVC mode. <6>[ 0.218749] devtmpfs: initialized <6>[ 0.267760] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.275254] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.283114] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.294818] pinctrl core: initialized pinctrl subsystem <6>[ 0.303858] DMI not present or invalid. <6>[ 0.307295] NET: Registered protocol family 16 <6>[ 0.319655] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.332537] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.333038] cpuidle: using governor menu <6>[ 0.341110] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.987365] vdd1p1: supplied by regulator-dummy <6>[ 1.016628] vdd3p0: supplied by regulator-dummy <6>[ 1.045472] vdd2p5: supplied by regulator-dummy <6>[ 1.074397] vddarm: supplied by regulator-dummy <6>[ 1.104011] vddpu: supplied by regulator-dummy <6>[ 1.132312] vddsoc: supplied by regulator-dummy <6>[ 2.282384] No ATAGs? <6>[ 2.283187] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.290419] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.313371] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.342987] Serial: AMBA PL011 UART driver <6>[ 2.400650] Kprobes globally optimized <6>[ 2.504517] iommu: Default domain type: Translated <6>[ 2.509017] vgaarb: loaded <5>[ 2.514068] SCSI subsystem initialized <6>[ 2.517381] usbcore: registered new interface driver usbfs <6>[ 2.521240] usbcore: registered new interface driver hub <6>[ 2.526800] usbcore: registered new device driver usb <6>[ 2.538621] i2c i2c-0: IMX I2C adapter registered <6>[ 2.546970] i2c i2c-1: IMX I2C adapter registered <6>[ 2.553110] i2c i2c-2: IMX I2C adapter registered <6>[ 2.559424] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.561820] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.571320] PTP clock support registered <6>[ 2.590947] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.362103] NET: Registered protocol family 2 <6>[ 4.364551] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.375079] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.381159] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.389138] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.397915] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.404395] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.411069] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.417799] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.425631] NET: Registered protocol family 1 <6>[ 4.432219] RPC: Registered named UNIX socket transport module. <6>[ 4.435691] RPC: Registered udp transport module. <6>[ 4.440638] RPC: Registered tcp transport module. <6>[ 4.445673] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.452379] NET: Registered protocol family 44 <6>[ 4.457023] PCI: CLS 0 bytes, default 64 <6>[ 4.463496] Trying to unpack rootfs image as initramfs... <6>[ 6.245397] Freeing initrd memory: 14988K <4>[ 6.248041] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.255403] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.270773] Initialise system trusted keyrings <6>[ 6.273562] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.323292] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.329752] NFS: Registering the id_resolver key type <5>[ 6.332443] Key type id_resolver registered <5>[ 6.336687] Key type id_legacy registered <6>[ 6.341511] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.347959] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.355767] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.362093] Key type asymmetric registered <5>[ 6.364592] Asymmetric key parser 'x509' registered <6>[ 6.369949] bounce: pool size: 64 pages <6>[ 6.373932] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.381509] io scheduler mq-deadline registered <6>[ 6.386181] io scheduler kyber registered <4>[ 6.391332] test_firmware: interface ready <6>[ 6.552589] mxs-dma 110000.dma-controller: initialized <4>[ 6.612335] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.620347] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.841928] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.864020] SuperH (H)SCI(F) driver initialized <6>[ 6.868636] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.879426] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.885960] printk: console [ttymxc1] enabled <6>[ 6.885960] printk: console [ttymxc1] enabled <6>[ 6.894767] printk: bootconsole [ec_imx21] disabled <6>[ 6.894767] printk: bootconsole [ec_imx21] disabled <6>[ 6.910593] msm_serial: driver initialized <6>[ 6.916039] STMicroelectronics ASC driver initialized <6>[ 6.927323] STM32 USART driver initialized <6>[ 6.952287] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.972358] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.980967] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.988819] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.037987] brd: module loaded <6>[ 7.082968] loop: module loaded <6>[ 7.089197] lkdtm: No crash points registered, enable through debugfs <6>[ 7.110013] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.118304] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.126721] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.135247] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.143524] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.151897] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.159799] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.171408] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.178692] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.187860] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.201979] scsi host0: ahci-imx <6>[ 7.207571] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.266952] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.280248] pps pps0: new PPS source ptp0 <6>[ 7.324598] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.335084] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.340341] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.346810] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.352561] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.378339] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.386215] usbcore: registered new interface driver pegasus <6>[ 7.392392] usbcore: registered new interface driver asix <6>[ 7.398223] usbcore: registered new interface driver ax88179_178a <6>[ 7.404777] usbcore: registered new interface driver cdc_ether <6>[ 7.411128] usbcore: registered new interface driver smsc75xx <6>[ 7.417344] usbcore: registered new interface driver smsc95xx <6>[ 7.423552] usbcore: registered new interface driver net1080 <6>[ 7.429645] usbcore: registered new interface driver cdc_subset <6>[ 7.436022] usbcore: registered new interface driver zaurus <6>[ 7.442143] usbcore: registered new interface driver cdc_ncm <6>[ 7.459700] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.466628] ehci-pci: EHCI PCI platform driver <6>[ 7.471570] ehci-platform: EHCI generic platform driver <6>[ 7.478003] ehci-orion: EHCI orion driver <6>[ 7.483155] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.488220] ehci-st: EHCI STMicroelectronics driver <6>[ 7.494197] ehci-exynos: EHCI Exynos driver <6>[ 7.499420] ehci-atmel: EHCI Atmel driver <6>[ 7.504532] tegra-ehci: Tegra EHCI driver <6>[ 7.509630] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.516203] ohci-pci: OHCI PCI platform driver <6>[ 7.521118] ohci-platform: OHCI generic platform driver <6>[ 7.527493] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.532630] ohci-st: OHCI STMicroelectronics driver <6>[ 7.538584] ohci-atmel: OHCI Atmel driver <6>[ 7.546830] usbcore: registered new interface driver usb-storage <6>[ 7.563325] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.569349] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.575972] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.582737] i2c /dev entries driver <6>[ 7.661536] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.668010] sdhci: Copyright(c) Pierre Ossman <6>[ 7.681487] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.694520] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.704039] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.704046] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.714862] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.721498] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.731259] usbcore: registered new interface driver usbhid <6>[ 7.737121] usbhid: USB HID core driver <6>[ 7.742028] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.755267] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.763798] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.772040] IPv4 over IPsec tunneling driver <6>[ 7.781201] NET: Registered protocol family 10 <6>[ 7.791360] Segment Routing with IPv6 <6>[ 7.801037] NET: Registered protocol family 17 <6>[ 7.807383] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.812968] Key type dns_resolver registered <6>[ 7.831253] ThumbEE CPU extension supported. <5>[ 7.835846] Registering SWP/SWPB emulation handler <5>[ 7.844766] Loading compiled-in X.509 certificates <4>[ 8.001571] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.010051] panel-simple panel-lcd: Specify missing connector_type <6>[ 8.017737] mmc2: new high speed SDHC card at address 0001 <4>[ 8.022875] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.026773] mmcblk2: mmc2:0001 SD 14.6 GiB <4>[ 8.061829] imx_usb 2184200.usb: No over current polarity defined <4>[ 8.077037] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 8.077401] ci_hdrc ci_hdrc.1: EHCI Host Controller <4>[ 8.084857] GPT:29296874 != 30560255 <4>[ 8.084879] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.084891] GPT:29296874 != 30560255 <4>[ 8.084901] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.090366] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.094031] mmcblk2: p1 p2 p3 <6>[ 8.151476] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.170817] hub 1-0:1.0: USB hub found <6>[ 8.177212] hub 1-0:1.0: 1 port detected <6>[ 8.192830] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.222778] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.231221] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.243807] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.271948] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.280343] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.292960] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.312012] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.339257] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.347939] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.360547] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.381952] 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>[ 8.561229] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.769691] hub 1-1:1.0: USB hub found <6>[ 8.774585] hub 1-1:1.0: 3 ports detected <4>[ 8.806549] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.815219] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.829472] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.522757] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.541093] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.570995] Sending DHCP requests ., OK <6>[ 11.615883] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.35 <6>[ 11.624373] IP-Config: Complete: <6>[ 11.627937] device=eth0, hwaddr=00:19:b8:08:f1:09, ipaddr=192.168.201.35, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.638850] host=imx6q-sabrelite-lava-cbg-5, domain=lava-rack, nis-domain=(none) <6>[ 11.647105] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.647144] nameserver0=192.168.201.1 <6>[ 11.711842] Freeing unused kernel memory: 2048K <6>[ 11.741938] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.356748] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.388620] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.408962] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.425214] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.447440] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.474792] CAN device driver interface <4>[ 15.488530] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.502994] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.522970] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.565658] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.574265] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.612021] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.626404] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.643164] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.650035] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.657529] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.723755] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.784518] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.790001] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.796983] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 15.817745] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <4>[ 15.820459] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.825089] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.838578] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.849137] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.859457] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.868205] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.892974] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.893453] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 15.911993] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.934146] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.942699] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.980982] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.011475] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 16.011622] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.020061] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 16.027975] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.036336] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 16.049318] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.051365] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 16.052756] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.053144] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.053585] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.053977] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.080524] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.109196] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.123369] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.155381] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.164468] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.190719] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.199666] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.208441] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.217196] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.888923] caam algorithms registered in /proc/crypto <6>[ 16.899148] caam 2100000.crypto: registering rng-caam <4>[ 16.911175] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.945146] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.953672] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.971159] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.979790] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.988625] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.997371] 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. <5>[ 17.088271] random: crng init done IP-Config: eth0 hardware address 00:19:b8:08:f1:09 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.35 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-5 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 18.798836] systemd[1]: System time before build time, advancing clock. <30>[ 18.996075] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 19.022637] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.087541] systemd[1]: Set hostname to . <30>[ 20.486196] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.500313] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.555877] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.605757] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.655158] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.705099] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.754393] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.802627] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.815116] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.851623] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 20.891528] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 20.931706] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 20.971492] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 21.015151] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.116381] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.128470] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.187785] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.237423] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.291791] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.336339] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.385006] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.396134] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.417754] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.462252] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.515070] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.571154] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.620205] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.670105] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.726439] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 21.746558] fuse: init (API version 7.32) <30>[ 21.759867] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 21.808151] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.860342] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 21.911537] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 21.947807] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 21.994372] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.038753] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 22.121691] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.131841] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.176336] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.185960] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.226705] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.236688] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.276178] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.316065] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.362134] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 22.409508] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 22.439432] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 22.449868] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 22.469653] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 22.531257] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 22.592714] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 22.621501] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 23.011604] systemd-journald[274]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [* ] A start job is running for User Login Management (10s / 1min 37s) M [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.207-cip41 #1 SMP Sat Jan 13 05:56:42 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/12521944/extract-nfsrootfs-ebs_u2ip' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12521944/extract-nfsrootfs-ebs_u2ip' / # 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-12521944/environment . /lava-12521944/environment / # /lava-12521944/bin/lava-test-runner /lava-12521944/0 /lava-12521944/bin/lava-test-runner /lava-12521944/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12521944/0/tests/0_timesync-off ++ cat uuid + UUID=12521944_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-12521944/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12521944_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/v5.10.205-905-gb40421b142370/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 --2024-01-13 06:19:15-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-905-gb40421b142370/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: 1410040 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 43.08K 110KB/s kselftest.tar.xz 6%[> ] 85.99K 131KB/s kselftest.tar.xz 9%[> ] 125.58K 136KB/s kselftest.tar.xz 12%[=> ] 176.00K 148KB/s kselftest.tar.xz 15%[==> ] 216.08K 153KB/s kselftest.tar.xz 19%[==> ] 262.26K 149KB/s kselftest.tar.xz 21%[===> ] 300.44K 148KB/s kselftest.tar.xz 23%[===> ] 328.72K 143KB/s kselftest.tar.xz 25%[====> ] 347.59K 138KB/s kselftest.tar.xz 26%[====> ] 363.14K 131KB/s kselftest.tar.xz 28%[====> ] 385.77K 127KB/s eta 8s kselftest.tar.xz 29%[====> ] 409.81K 124KB/s eta 8s kselftest.tar.xz 31%[=====> ] 436.67K 122KB/s eta 8s kselftest.tar.xz 33%[=====> ] 466.37K 121KB/s eta 8s kselftest.tar.xz 36%[======> ] 498.89K 121KB/s eta 7s kselftest.tar.xz 37%[======> ] 519.62K 119KB/s eta 7s kselftest.tar.xz 40%[=======> ] 554.04K 122KB/s eta 7s kselftest.tar.xz 41%[=======> ] 572.42K 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1.23M 153KB/s eta 2s kselftest.tar.xz 94%[=================> ] 1.28M 156KB/s eta 2s kselftest.tar.xz 98%[==================> ] 1.32M 159KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 163KB/s in 9.9s 2024-01-13 06:19:25 (139 KB/s) - 'kselftest.tar.xz' saved [1410040/1410040] 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>[ 63.146515] 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>[ 64.152139] lkdtm: Performing direct entry BUG <4>[ 64.157117] ------------[ cut here ]------------ <2>[ 64.162003] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 64.167495] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 64.172901] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 64.202194] CPU: 3 PID: 704 Comm: cat Not tainted 5.10.207-cip41 #1 <4>[ 64.208728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.215533] PC is at lkdtm_BUG+0x14/0x18 <4>[ 64.219724] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 64.224435] pc : [] lr : [] psr: a00e0013 <4>[ 64.230966] sp : c4673e58 ip : c4673e68 fp : c4673e64 <4>[ 64.236456] r10: 00000004 r9 : c1ad576c r8 : c15ebd0c <4>[ 64.241945] r7 : c4673f60 r6 : 00000004 r5 : c634e000 r4 : 00000001 <4>[ 64.248737] r3 : c0c57fd8 r2 : 100b476f r1 : ef7c05e0 r0 : c15ebd14 <4>[ 64.255531] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 64.262931] Control: 10c5387d Table: 1661804a DAC: 00000051 <0>[ 64.268944] Process cat (pid: 704, stack limit = 0x8357205e) <0>[ 64.274870] Stack: (0xc4673e58 to 0xc4674000) <0>[ 64.279495] 3e40: c4673e74 c4673e68 <0>[ 64.287940] 3e60: c0c57a6c c0c57fe4 c4673e9c c4673e78 c0c57f6c c0c57a4c c0c57e4c c474a8c0 <0>[ 64.296385] 3e80: b6e59000 00000004 c30236c0 c4673f60 c4673ec4 c4673ea0 c07e1bc0 c0c57e58 <0>[ 64.304831] 3ea0: 00000000 c474a8c0 b6e59000 c2815800 c4673f60 c07e1b5c c4673f5c c4673ec8 <0>[ 64.313276] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4672000 <0>[ 64.321721] 3ee0: b6e59000 00020000 00000004 00000004 0001fffc c4673ee0 00000001 b6e58000 <0>[ 64.330166] 3f00: c623eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 64.338612] 3f20: 00000000 00000000 c13dd8b8 100b476f c206c120 c474a8c0 c474a8c0 c4672000 <0>[ 64.347057] 3f40: b6e59000 00000000 00000000 00000004 c4673f94 c4673f60 c059c058 c059b9ac <0>[ 64.355503] 3f60: 00000000 00000000 c4673fac 100b476f 00000004 00000004 b6fa0e00 00000004 <0>[ 64.363947] 3f80: c03002e4 c4672000 c4673fa4 c4673f98 c059c0e8 c059bff0 00000000 c4673fa8 <0>[ 64.372392] 3fa0: c03000c0 c059c0dc 00000004 00000004 00000001 b6e59000 00000004 00000000 <0>[ 64.380839] 3fc0: 00000004 00000004 b6fa0e00 00000004 00000001 00000000 00020000 bef64ac4 <0>[ 64.389284] 3fe0: 00000004 bef647f8 b6f0ad8f b6e917e6 800e0030 00000001 00000000 00000000 <0>[ 64.397724] Backtrace: <0>[ 64.400449] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 64.408289] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 64.416568] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 64.424755] r9:c4673f60 r8:c30236c0 r7:00000004 r6:b6e59000 r5:c474a8c0 r4:c0c57e4c <0>[ 64.432774] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 64.440872] r9:c07e1b5c r8:c4673f60 r7:c2815800 r6:b6e59000 r5:c474a8c0 r4:00000000 <0>[ 64.448884] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 64.456288] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c4672000 r5:c474a8c0 <0>[ 64.464380] r4:c474a8c0 <0>[ 64.467184] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 64.474587] r9:c4672000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000004 r4:00000004 <0>[ 64.482601] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 64.490435] Exception stack(0xc4673fa8 to 0xc4673ff0) <0>[ 64.495755] 3fa0: 00000004 00000004 00000001 b6e59000 00000004 00000000 <0>[ 64.504201] 3fc0: 00000004 00000004 b6fa0e00 00000004 00000001 00000000 00020000 bef64ac4 <0>[ 64.512643] 3fe0: 00000004 bef647f8 b6f0ad8f b6e917e6 <0>[ 64.517964] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 64.524328] ---[ end trace 42e62c1453b9a1c0 ]--- <3>[ 64.529214] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 64.538352] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 704, name: cat <4>[ 64.546271] INFO: lockdep is turned off. <4>[ 64.550459] irq event stamp: 1618 <4>[ 64.554051] hardirqs last enabled at (1617): [] console_unlock+0x4b0/0x6c0 <4>[ 64.562150] hardirqs last disabled at (1618): [] __und_svc+0x60/0x6c <4>[ 64.569641] softirqs last enabled at (1448): [] __do_softirq+0x36c/0x5a0 <4>[ 64.577566] softirqs last disabled at (1425): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 64.585664] CPU: 3 PID: 704 Comm: cat Tainted: G D 5.10.207-cip41 #1 <4>[ 64.593587] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.600378] Backtrace: <4>[ 64.603105] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 64.610945] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 64.616876] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 64.624462] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 64.632473] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d19cc r4:c4672000 <4>[ 64.640486] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 64.648581] r6:00000000 r5:00000031 r4:c19d19cc <4>[ 64.653475] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 64.661483] r6:00000001 r5:c4672000 r4:c2f8a880 <4>[ 64.666376] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 64.673952] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c2f8a880 <4>[ 64.680924] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 64.688497] r7:c1e1cb0c <4>[ 64.691303] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 64.698707] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 64.706023] r10:00000004 r9:c4672000 r8:c15ebd0c r7:00000000 r6:c4673dc8 r5:c0c57fec <4>[ 64.714116] r4:e7f001f2 <4>[ 64.716920] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 64.725102] Exception stack(0xc4673dc8 to 0xc4673e10) <4>[ 64.730422] 3dc0: c15ebd14 ef7c05e0 100b476f c0c57fd8 00000001 c634e000 <4>[ 64.738867] 3de0: 00000004 c4673f60 c15ebd0c c1ad576c 00000004 c4673e64 c4673e68 c4673e58 <4>[ 64.747310] 3e00: c0c57a6c c0c57fec a00e0013 ffffffff <4>[ 64.752628] r7:c4673dfc r6:ffffffff r5:a00e0013 r4:c0c57ff0 <4>[ 64.758560] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 64.766399] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 64.774675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 64.782860] r9:c4673f60 r8:c30236c0 r7:00000004 r6:b6e59000 r5:c474a8c0 r4:c0c57e4c <4>[ 64.790876] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 64.798974] r9:c07e1b5c r8:c4673f60 r7:c2815800 r6:b6e59000 r5:c474a8c0 r4:00000000 <4>[ 64.806986] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 64.814390] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c4672000 r5:c474a8c0 <4>[ 64.822482] r4:c474a8c0 <4>[ 64.825285] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 64.832690] r9:c4672000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000004 r4:00000004 <4>[ 64.840702] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 64.848535] Exception stack(0xc4673fa8 to 0xc4673ff0) <4>[ 64.853854] 3fa0: 00000004 00000004 00000001 b6e59000 00000004 00000000 <4>[ 64.862299] 3fc0: 00000004 00000004 b6fa0e00 00000004 00000001 00000000 00020000 bef64ac4 <4>[ 64.870741] 3fe0: 00000004 bef647f8 b6f0ad8f b6e917e6 # Segmentation fault # [ 64.152139] lkdtm: Performing direct entry BUG # [ 64.157117] ------------[ cut here ]------------ # [ 64.162003] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.167495] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 64.172901] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.202194] CPU: 3 PID: 704 Comm: cat Not tainted 5.10.207-cip41 #1 # [ 64.208728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.215533] PC is at lkdtm_BUG+0x14/0x18 # [ 64.219724] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.224435] pc : [] lr : [] psr: a00e0013 # [ 64.230966] sp : c4673e58 ip : c4673e68 fp : c4673e64 # [ 64.236456] r10: 00000004 r9 : c1ad576c r8 : c15ebd0c # [ 64.241945] r7 : c4673f60 r6 : 00000004 r5 : c634e000 r4 : 00000001 # [ 64.248737] r3 : c0c57fd8 r2 : 100b476f r1 : ef7c05e0 r0 : c15ebd14 # [ 64.255531] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 64.262931] Control: 10c5387d Table: 1661804a DAC: 00000051 # [ 64.268944] Process cat (pid: 704, stack limit = 0x8357205e) # [ 64.274870] Stack: (0xc4673e58 to 0xc4674000) # [ 64.279495] 3e40: c4673e74 c4673e68 # [ 64.287940] 3e60: c0c57a6c c0c57fe4 c4673e9c c4673e78 c0c57f6c c0c57a4c c0c57e4c c474a8c0 # [ 64.296385] 3e80: b6e59000 00000004 c30236c0 c4673f60 c4673ec4 c4673ea0 c07e1bc0 c0c57e58 # [ 64.304831] 3ea0: 00000000 c474a8c0 b6e59000 c2815800 c4673f60 c07e1b5c c4673f5c c4673ec8 # [ 64.313276] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4672000 # [ 64.321721] 3ee0: b6e59000 00020000 00000004 00000004 0001fffc c4673ee0 00000001 b6e58000 # [ 64.330166] 3f00: c623eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 64.338612] 3f20: 00000000 00000000 c13dd8b8 100b476f c206c120 c474a8c0 c474a8c0 c4672000 # [ 64.347057] 3f40: b6e59000 00000000 00000000 00000004 c4673f94 c4673f60 c059c058 c059b9ac # [ 64.355503] 3f60: 00000000 00000000 c4673fac 100b476f 00000004 00000004 b6fa0e00 00000004 # [ 64.363947] 3f80: c03002e4 c4672000 c4673fa4 c4673f98 c059c0e8 c059bff0 00000000 c4673fa8 # [ 64.372392] 3fa0: c03000c0 c059c0dc 00000004 00000004 00000001 b6e59000 00000004 00000000 # [ 64.380839] 3fc0: 00000004 00000004 b6fa0e00 00000004 00000001 00000000 00020000 bef64ac4 # [ 64.389284] 3fe0: 00000004 bef647f8 b6f0ad8f b6e917e6 800e0030 00000001 00000000 00000000 # [ 64.397724] Backtrace: # [ 64.400449] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.408289] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.416568] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.424755] r9:c4673f60 r8:c30236c0 r7:00000004 r6:b6e59000 r5:c474a8c0 r4:c0c57e4c # [ 64.432774] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.440872] r9:c07e1b5c r8:c4673f60 r7:c2815800 r6:b6e59000 r5:c474a8c0 r4:00000000 # [ 64.448884] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.456288] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c4672000 r5:c474a8c0 # [ 64.464380] r4:c474a8c0 # [ 64.467184] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.474587] r9:c4672000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000004 r4:00000004 # [ 64.482601] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.490435] Exception stack(0xc4673fa8 to 0xc4673ff0) # [ 64.495755] 3fa0: 00000004 00000004 00000001 b6e59000 00000004 00000000 # [ 64.504201] 3fc0: 00000004 00000004 b6fa0e00 00000004 00000001 00000000 00020000 bef64ac4 # [ 64.512643] 3fe0: 00000004 bef647f8 b6f0ad8f b6e917e6 # [ 64.517964] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 64.524328] ---[ end trace 42e62c1453b9a1c0 ]--- # [ 64.529214] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.538352] in_atomic(): 0, irqs_disabled(): 128, non<6>[ 65.337656] lkdtm: Performing direct entry WARNING _block: 0, pid: 704, name: cat #<4>[ 65.344877] ------------[ cut here ]------------ [ 64.546271] INFO: lockdep is <4>[ 65.352728] WARNING: CPU: 3 PID: 776 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c turned off. # [ 64.550459] irq<4>[ 65.364125] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 event stamp: 1618 # [ 64.5540<4>[ 65.396081] CPU: 3 PID: 776 Comm: cat Tainted: G D W 5.10.207-cip41 #1 51] hardirqs last enabled at (16<4>[ 65.406823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 17): [] console_unlock+<4>[ 65.416474] Backtrace: 0x4b0/0x6c0 # [ 64.562150] har<4>[ 65.422056] [] (dump_backtrace) from [] (show_stack+0x20/0x24) dirqs last disabled at (1618): [<<4>[ 65.432741] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 c0300c60>] __und_svc+0x60/0x6c #<4>[ 65.441528] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 64.569641] softirqs last en<4>[ 65.451962] [] (dump_stack) from [] (__warn+0x98/0x14c) abled at (1448): [] __d<4>[ 65.462040] r9:00000009 r8:c0c58038 r7:00000053 r6:00000009 r5:c0c58038 r4:c1ad5e28 o_softirq+0x36c/0x5a0 # [ 64.5<4>[ 65.472908] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 77566] softirqs last disabled at <4>[ 65.483511] r7:00000053 r6:c1ad5e28 r5:00000000 r4:c662c000 (1425): [] __irq_exit_r<4>[ 65.492299] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) cu+0x178/0x1d0 # [ 64.585664] <4>[ 65.503509] r9:c1ad5770 r8:c15ebd0c r7:c662df60 r6:00000008 r5:c634e000 r4:00000002 CPU: 3 PID: 704 Comm: cat Tainted<4>[ 65.514377] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) : G D 5.10.207-cip<4>[ 65.525415] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 41 #1 # [ 64.593587] Hardware <4>[ 65.536548] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) name: Freescale i.MX6 Quad/DualLi<4>[ 65.547580] r9:c662df60 r8:c30236c0 r7:00000008 r6:b6e66000 r5:c2fcb680 r4:c0c57e4c te (Device Tree) # [ 64.600378<4>[ 65.558453] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ] Backtrace: # [ 64.603105] [<4>[ 65.569398] r9:c07e1b5c r8:c662df60 r7:c2815800 r6:b6e66000 r5:c2fcb680 r4:00000000 ] (dump_backtrace) from<4>[ 65.580266] [] (vfs_write) from [] (ksys_write+0x74/0xec) [] (show_stack+0x20/0x<4>[ 65.590523] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c662c000 r5:c2fcb680 24) # [ 64.610945] r7:fffffff<4>[ 65.601473] r4:c2fcb680 f r6:600e0093 r5:00000000 r4:c1f1<4>[ 65.607137] [] (ksys_write) from [] (sys_write+0x18/0x1c) d0b8 # [ 64.616876] [[ 65.617394] r9:c662c000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:00000008 r4:00000008 >] (show_stack) from []<4>[ 65.628262] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) (dump_stack+0xe0/0x100) # [ 6<4>[ 65.638949] Exception stack(0xc662dfa8 to 0xc662dff0) 4.624462] [] (dump_stac<4>[ 65.647129] dfa0: 00000008 00000008 00000001 b6e66000 00000008 00000000 k) from [] (___might_sl<4>[ 65.658432] dfc0: 00000008 00000008 b6fade00 00000004 00000001 00000000 00020000 bec56ac4 eep+0x188/0x2e0) # [ 64.632473<4>[ 65.669728] dfe0: 00000004 bec567f8 b6f17d8f b6e9e7e6 ] r9:600e0093 r8:0000000b r7:c03<4>[ 65.677972] irq event stamp: 0 5c468 r6:00000031 r5:c19d19cc r4:<4>[ 65.684115] hardirqs last enabled at (0): [<00000000>] 0x0 c4672000 # [ 64.640486] [[ 65.692821] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac f984>] (___might_sleep) from [[ 65.703422] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 38fcd4>] (__might_sleep+0x70/0xb0<4>[ 65.714026] softirqs last disabled at (0): [<00000000>] 0x0 ) # [ 64.648581] r6:00000000 <4>[ 65.722719] ---[ end trace 42e62c1453b9a1c1 ]--- r5:00000031 r4:c19d19cc # [ 64.653475] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 64.661483] r6:00000001 r5:c4672000 r4:c2f8a880 # [ 64.666376] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 64.673952] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c2f8a880 # [ 64.680924] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 64.688497] r7:c1e1cb0c # [ 64.691303] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 64.698707] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 64.706023] r10:00000004 r9:c4672000 r8:c15ebd0c r7:00000000 r6:c4673dc8 r5:c0c57fec # [ 64.714116] r4:e7f001f2 # [ 64.716920] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 64.725102] Exception stack(0xc4673dc8 to 0xc4673e10) # [ 64.730422] 3dc0: c15ebd14 ef7c05e0 100b476f c0c57fd8 00000001 c634e000 # [ 64.738867] 3de0: 00000004 c4673f60 c15ebd0c c1ad576c 00000004 c4673e64 c4673e68 c4673e58 # [ 64.747310] 3e00: c0c57a6c c0c57fec a00e0013 ffffffff # [ 64.752628] r7:c4673dfc r6:ffffffff r5:a00e0013 r4:c0c57ff0 # [ 64.758560] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.766399] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.774675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.782860] r9:c4673f60 r8:c30236c0 r7:00000004 r6:b6e59000 r5:c474a8c0 r4:c0c57e4c # [ 64.790876] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.798974] r9:c07e1b5c r8:c4673f60 r7:c2815800 r6:b6e59000 r5:c474a8c0 r4:00000000 # [ 64.806986] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.814390] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c4672000 r5:c474a8c0 # [ 64.822482] r4:c474a8c0 # [ 64.825285] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.832690] r9:c4672000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000004 r4:00000004 # [ 64.840702] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.848535] Exception stack(0xc4673fa8 to 0xc4673ff0) # [ 64.853854] 3fa0: 00000004 00000004 00000001 b6e59000 00000004 00000000 # [ 64.862299] 3fc0: 00000004 00000004 b6fa0e00 00000004 00000001 00000000 00020000 bef64ac4 # [ 64.870741] 3fe0: 00000004 bef647f8 b6f0ad8f b6e917e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.337656] lkdtm: Performing direct entry WARNING # [ 65.344877] ------------[ cut here ]------------ # [ 65.352728] WARNING: CPU: 3 PID: 776 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 65.364125] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 65.396081] CPU: 3 PID: 776 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 65.406823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.416474] Backtrace: # [ 65.422056] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.432741] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 65.441528] [] (show_stack) from [] (dump_stack+0xe0/0x100) # <6>[ 66.045122] lkdtm: Performing direct entry WARNING_MESSAGE [ 65.451962] [] (dump<4>[ 66.051393] ------------[ cut here ]------------ _stack) from [] (__warn<4>[ 66.059080] WARNING: CPU: 0 PID: 812 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 +0x98/0x14c) # [ 65.462040] r<4>[ 66.071498] Warning message trigger count: 2 9:00000009 r8:c0c58038 r7:0000005<4>[ 66.078851] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 3 r6:00000009 r5:c0c58038 r4:c1ad<4>[ 66.110905] CPU: 0 PID: 812 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 66.121573] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 66.128366] Backtrace: <4>[ 66.131100] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 66.138940] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 66.144872] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 66.152457] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 66.159688] r9:00000009 r8:c0c58088 r7:00000058 r6:00000009 r5:c0c58088 r4:c1ad5e28 <4>[ 66.167703] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 66.175453] r7:00000058 r6:c1ad5e28 r5:c1ad5e44 r4:c6608000 <4>[ 66.181386] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) <4>[ 66.190439] r9:c1ad5778 r8:c15ebd0c r7:c6609f60 r6:00000010 r5:c634b000 r4:00000003 <4>[ 66.198452] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 66.207334] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 66.215613] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 66.223798] r9:c6609f60 r8:c30236c0 r7:00000010 r6:b6e49000 r5:c5a54dc0 r4:c0c57e4c <4>[ 66.231819] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 66.239916] r9:c07e1b5c r8:c6609f60 r7:c2815800 r6:b6e49000 r5:c5a54dc0 r4:00000000 <4>[ 66.247930] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 66.255334] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c6608000 r5:c5a54dc0 <4>[ 66.263427] r4:c5a54dc0 <4>[ 66.266231] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 66.273634] r9:c6608000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000010 r4:00000010 <4>[ 66.281650] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 66.289485] Exception stack(0xc6609fa8 to 0xc6609ff0) <4>[ 66.294806] 9fa0: 00000010 00000010 00000001 b6e49000 00000010 00000000 <4>[ 66.303253] 9fc0: 00000010 00000010 b6f90e00 00000004 00000001 00000000 00020000 beb31ac4 <4>[ 66.311697] 9fe0: 00000004 beb317f8 b6efad8f b6e817e6 5e28 # [ 65.472908] [[ 66.317080] irq event stamp: 0 >] (__warn) from [] (wa<4>[ 66.323283] hardirqs last enabled at (0): [<00000000>] 0x0 rn_slowpath_fmt+0x8c/0xa8) # [ <4>[ 66.331995] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 65.483511] r7:00000053 r6:c1ad5<4>[ 66.342618] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac e28 r5:00000000 r4:c662c000 # [ <4>[ 66.353237] softirqs last disabled at (0): [<00000000>] 0x0 65.492299] [] (warn_s<4>[ 66.361953] ---[ end trace 42e62c1453b9a1c2 ]--- lowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 65.503509] r9:c1ad5770 r8:c15ebd0c r7:c662df60 r6:00000008 r5:c634e000 r4:00000002 # [ 65.514377] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.525415] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.536548] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.547580] r9:c662df60 r8:c30236c0 r7:00000008 r6:b6e66000 r5:c2fcb680 r4:c0c57e4c # [ 65.558453] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.569398] r9:c07e1b5c r8:c662df60 r7:c2815800 r6:b6e66000 r5:c2fcb680 r4:00000000 # [ 65.580266] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.590523] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c662c000 r5:c2fcb680 # [ 65.601473] r4:c2fcb680 # [ 65.607137] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.617394] r9:c662c000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:00000008 r4:00000008 # [ 65.628262] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.638949] Exception stack(0xc662dfa8 to 0xc662dff0) # [ 65.647129] dfa0: 00000008 00000008 00000001 b6e66000 00000008 00000000 # [ 65.658432] dfc0: 00000008 00000008 b6fade00 00000004 00000001 00000000 00020000 bec56ac4 # [ 65.669728] dfe0: 00000004 bec567f8 b6f17d8f b6e9e7e6 # [ 65.677972] irq event stamp: 0 # [ 65.684115] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.692821] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.703422] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.714026] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.722719] ---[ end trace 42e62c1453b9a1c1 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 66.045122] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.051393] ------------[ cut here ]------------ # [ 66.059080] WARNING: CPU: 0 PID: 812 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 66.071498] Warning message trigger count: 2 # [ 66.078851] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 66.110905] CPU: 0 PID: 812 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 66.121573] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.128366] Backtrace: # [ 66.131100] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 66.138940] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 66.144872] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 66.152457] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 66.159688] r9:00000009 r8:c0c58088 r7:00000058 r6:00000009 r5:c0c58088 r4:c1ad5e28 # [ 66.167703] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 66.175453] r7:00000058 r6:c1ad5e28 r5:c1ad5e44 r4:c6608000 # [ 66.181386] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 66.190439] r9:c1ad5778 r8:c15ebd0c r7:c6609f60 r6:00000010 r5:c634b000 r4:00000003 # [ 66.198452] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.207334] [] (lkdtm_do_action) from [] (direct_entry+0x120/0<6>[ 66.694288] lkdtm: Performing direct entry EXCEPTION x18c) # [ 66.215613] [<c[ 66.700675] 8<--- cut here --- 7e4c>] (direct_entry) from [[ 66.706788] Unable to handle kernel NULL pointer dereference at virtual address 00000000 1bc0>] (full_proxy_write+0x64/0x9<1>[ 66.717782] pgd = 7f9e31d8 4) # [ 66.223798] r9:c6609f60<1>[ 66.723713] [00000000] *pgd=00000000 r8:c30236c0 r7:00000010 r6:b6e49<0>[ 66.730297] Internal error: Oops: 805 [#2] SMP ARM 000 r5:c5a54dc0 r4:c0c57e4c # [ <4>[ 66.738187] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 66.231819] [5[c > ] 6.770150] CPU: 3 PID: 845 Comm: cat Tainted: G D W 5.10.207-cip41 #1 (full_pro_[w r i t6e6). 7f8r229] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) om [] (vfs_write<+40>x[ 66.788762] PC is at lkdtm_EXCEPTION+0x18/0x20 0c/0x53c) #< 4[> [ 6666..2735975] LR is at lkdtm_do_action+0x2c/0x4c 9916] r9:7[e 1 b 56c6 .r8802499] pc : [] lr : [] psr: a00e0013 c6609f60 r7:8[1 5 8 0606 .r810847] sp : c65c9e58 ip : c65c9e68 fp : c65c9e64 :b6e49<040>0[ r 5 6:6c.58a15842d7] r10: 0000000a r9 : c1ad5788 r8 : c15ebd0c c0 r4:0000<040>0[0 #6 6[. 8 25286] r7 : c65c9f60 r6 : 0000000a r5 : c634e000 r4 : 00000004 66.2479<340>][ [ < c6065.98b393a94] r3 : 00000000 r2 : 91e25202 r1 : ef7c05e0 r0 : c15ebd2c 0>] (vfs_write<)4> [f r o m6 6[.<42332] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none c059c058>]< 4(>k[s y s _6w6r.i8t51632] Control: 10c5387d Table: 164ac04a DAC: 00000051 +0x74/0xec) # [< 0 > [6 6 . 2656.859461] Process cat (pid: 845, stack limit = 0xb776df5c) 334] r10<0:>0[0 0 0 06060.48 6r7460] Stack: (0xc65c9e58 to 0xc65ca000) :00000000 r8:0<000>0[0 0 0 606 .r73815] 9e40: c65c9e74 c65c9e68 7:b6e49000 r6:c<606>0[8 0 0 06 6r884161] 9e60: c0c57a6c c0c5809c c65c9e9c c65c9e78 c0c57f6c c0c57a4c c0c57e4c c60697c0 5:c5a54dc0 # [< 0 > [6 6 . 26663894593] 9e80: b6e32000 0000000a c30236c0 c65c9f60 c65c9ec4 c65c9ea0 c07e1bc0 c0c57e58 427] r4:c5a5<04>d[c 0 6#6 .[905024] 9ea0: 00000000 c60697c0 b6e32000 c2815800 c65c9f60 c07e1b5c c65c9f5c c65c9ec8 66.266231] [<5[9 b f e664.915369] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c65c8000 ] (ksys_write)< 0f>r[o m [6<6c.925800] 9ee0: b6e32000 00020000 00000004 0000000a 0001fff6 c65c9ee0 00000001 b6e31000 59c0e8>] (sys_wt[e + 0 x6168936232] 9f00: c5b432c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 /0x1c) # [ 66<.02>7[3 6 3 46]6.946666] 9f20: 00000000 00000000 c13dd8b8 91e25202 c206c120 c60697c0 c60697c0 c65c8000 r9:c6608000 r8:3[0 0 2 e646.957183] 9f40: b6e32000 00000000 00000000 00000004 c65c9f94 c65c9f60 c059c058 c059b9ac r7:00000004 r6:f[9 0 e 0606 967701] 9f60: 00000000 00000000 c65c9fac 91e25202 0000000a 0000000a b6f79e00 00000004 r5:00000010 r4<:00>0[0 0 0 06160.978132] 9f80: c03002e4 c65c8000 c65c9fa4 c65c9f98 c059c0e8 c059bff0 00000000 c65c9fa8 # [ 66.2816<500>][ [ < c6065.988564] 9fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e32000 0000000a 00000000 c0d0>] (sys_wre[) f 6r6o.m98996] 9fc0: 0000000a 0000000a b6f79e00 00000004 00000001 00000000 00020000 be92dac4 [] <(0r>e[t _ f a6s7t.009341] 9fe0: 00000004 be92d7f8 b6ee3d8f b6e6a7e6 800e0030 00000001 00000000 00000000 syscall+0x0/08[) #6 7[. 19767] Backtrace: 66.289485] Exception< 0s>t[a c 67.024393] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) (0xc6609fa8 to 0xc66<009>f[f 0 ) 67.035085] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.294806] 9fa0: < 0 > [ 67.045608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00000<001>0[ 0 0 060.056294] r9:c65c9f60 r8:c30236c0 r7:0000000a r6:b6e32000 r5:c60697c0 r4:c0c57e4c 0010 00000001 b6e49000 00000<001>[ 67.066386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 00000000 # [ < 06>6[. 3 0 3627.077071] r9:c07e1b5c r8:c65c9f60 r7:c2815800 r6:b6e32000 r5:c60697c0 r4:00000000 3] 9fc0: 00000010 <000>0[0 0 0 167.087155] [] (vfs_write) from [] (ksys_write+0x74/0xec) b6f90e00 0000<000>0[4 0 06070.096717] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c65c8000 r5:c60697c0 001 00000<000>0[ 0 0 06270.01000798] r4:c60697c0 beb31ac4 # [ <606>.[3 1 1 669.111332] [] (ksys_write) from [] (sys_write+0x18/0x1c) 7] 9fe0: 00000004 b[3 1 7 f67.120809] r9:c65c8000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:0000000a r4:0000000a b6efad8f b6e817e6 <#0 >[[ 67.130983] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 6.317080<]0 >i[r q e6v7e.n1t41 59] Exception stack(0xc65c9fa8 to 0xc65c9ff0) stamp: 0 # [ < 06>6[. 3 2 36278148021] 9fa0: 0000000a 0000000a 00000001 b6e32000 0000000a 00000000 3] hardirqs lt[ e n6a7b.l58453] 9fc0: 0000000a 0000000a b6f79e00 00000004 00000001 00000000 00020000 be92dac4 ed at (0): [<0<000>0[0 0 0 06>7].168799] 9fe0: 00000004 be92d7f8 b6ee3d8f b6e6a7e6 0x0 # [ 66.3319<905>][ h a r67.176108] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) irqs last disabled at (0): [[ 67.184717] ---[ end trace 42e62c1453b9a1c3 ]--- 38f4>] copy_process+0x5f8/0x1dac # [ 66.342618] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 66.353237] softirqs last disabled at (0): [<00000000>] 0x0 # [ 66.361953] ---[ end trace 42e62c1453b9a1c2 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 66.694288] lkdtm: Performing direct entry EXCEPTION # [ 66.700675] 8<--- cut here --- # [ 66.706788] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 66.717782] pgd = 7f9e31d8 # [ 66.723713] [00000000] *pgd=00000000 # [ 66.730297] Internal error: Oops: 805 [#2] SMP ARM # [ 66.738187] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 66.770150] CPU: 3 PID: 845 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 66.780229] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.788762] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 66.795975] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.802499] pc : [] lr : [] psr: a00e0013 # [ 66.810847] sp : c65c9e58 ip : c65c9e68 fp : c65c9e64 # [ 66.818237] r10: 0000000a r9 : c1ad5788 r8 : c15ebd0c # [ 66.825286] r7 : c65c9f60 r6 : 0000000a r5 : c634e000 r4 : 00000004 # [ 66.833894] r3 : 00000000 r2 : 91e25202 r1 : ef7c05e0 r0 : c15ebd2c # [ 66.842332] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.851632] Control: 10c5387d Table: 164ac04a DAC: 00000051 # [ 66.859461] Process cat (pid: 845, stack limit = 0xb776df5c) # [ 66.867460] Stack: (0xc65c9e58 to 0xc65ca000) # [ 66.873815] 9e40: c65c9e74 c65c9e68 # [ 66.884161] 9e60: c0c57a6c c0c5809c c65c9e9c c65c9e78 c0c57f6c c0c57a4c c0c57e4c c60697c0 # [ 66.894593] 9e80: b6e32000 0000000a c30236c0 c65c9f60 c65c9ec4 c65c9ea0 c07e1bc0 c0c57e58 # [ 66.905024] 9ea0: 00000000 c60697c0 b6e32000 c2815800 c65c9f60 c07e1b5c c65c9f5c c65c9ec8 # [ 66.915369] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c65c8000 # [ 66.925800] 9ee0: b6e32000 00020000 00000004 0000000a 0001fff6 c65c9ee0 00000001 b6e31000 # [ 66.936232] 9f00: c5b432c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.946666] 9f20: 00000000 00000000 c13dd8b8 91e25202 c206c120 c60697c0 c60697c0 c65c8000 # [ 66.957183] 9f40: b6e32000 00000000 00000000 00000004 c65c9f94 c65c9f60 c059c058 c059b9ac # [ 66.967701] 9f60: 00000000 00000000 c65c9fac 91e25202 0000000a 0000000a b6f79e00 00000004 # [ 66.978132] 9f80: c03002e4 c65c8000 c65c9fa4 c65c9f98 c059c0e8 c059bff0 00000000 c65c9fa8 # [ 66.988564] 9fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e32000 0000000a 00000000 # [ 66.998996] 9fc0: 0000000a 0000000a b6f79e00 00000004 00000001 00000000 00020000 be92dac4 # [ 67.009341] 9fe0: 00000004 be92d7f8 b6ee3d8f b6e6a7e6 800e0030 00000001 00000000 00000000 # [ 67.019767] Backtrace: # [ 67.024393] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.035085] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.045608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.056294] r9:c65c9f60 r8:c30236c0 r7:0000000a r6:b6e32000 r5:c60697c0 r4:c0c57e4c # [ 67.066386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.077071] r9:c07e1b5c r8:c65c9f60 r7:c2815800 r6:b6e32000 r5:c60697c0 r4:00000000 # [ 67.087155] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.096717] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c65c8000 r5:c60697c0 # [ 67.106798] r4:c60697c0 # [ 67.111332] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.120809] r9:c65c8000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:0000000a r4:0000000a # [ 67.130983] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.141059] Exception stack(0xc65c9fa8 to 0xc65c9ff0) # [ 67.148021] 9fa0: 0000000a 0000000a 00000001 b6e32000 0000000a 00000000 # [ 67.158453] 9fc0: 0000000a 0000000a b6f79e00 00000004 00000001 00000000 00020000 be92dac4 # [ 67.168799] 9fe0: 00000004 be92d7f8 b6ee3d8f b6e6a7e6 # [ 67.176108] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 67.184717] ---[ end trace 42e62c1453b9a1c3 ]--- # 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>[ 68.306625] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 68.312551] lkdtm: attempting good list addition <6>[ 68.317440] lkdtm: attempting corrupted list addition <3>[ 68.322878] lkdtm: list_add() corruption not detected! # [ 68.306625] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.312551] lkdtm: attempting good list addition # [ 68.317440] lkdtm: attempting corrupted list addition # [ 68.322878] 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>[ 68.655357] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 68.661275] lkdtm: attempting good list removal <6>[ 68.666082] lkdtm: attempting corrupted list removal <3>[ 68.671418] lkdtm: list_del() corruption not detected! # [ 68.655357] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.661275] lkdtm: attempting good list removal # [ 68.666082] lkdtm: attempting corrupted list removal # [ 68.671418] 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>[ 68.978974] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 68.985561] lkdtm: attempting bad read from page below current stack <3>[ 68.992288] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.978974] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.985561] lkdtm: attempting bad read from page below current stack # [ 68.992288] lkdtm: FAIL: accessed page before stack! (byte: 0) # 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>[ 69.303367] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 69.310005] lkdtm: attempting bad read from page above current stack <3>[ 69.316686] lkdtm: FAIL: accessed page after stack! (byte: 80) # [ 69.303367] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.310005] lkdtm: attempting bad read from page above current stack # [ 69.316686] lkdtm: FAIL: accessed page after stack! (byte: 80) # 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 <4>[ 69.603860] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 69.632780] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.641128] panel-simple panel-lcd: Specify missing connector_type <6>[ 69.657583] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.666234] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.674844] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.683441] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.693710] platform panel-lvds0: deferred probe pending <6>[ 69.699423] platform backlight-lcd: deferred probe pending <6>[ 69.705277] platform backlight-lvds: deferred probe pending <6>[ 69.711159] platform panel-lcd: deferred probe pending <6>[ 69.716572] platform 120000.hdmi: deferred probe pending <6>[ 69.724350] lkdtm: Performing direct entry UNSET_SMEP <3>[ 69.729680] lkdtm: XFAIL: this test is x86_64-only # [ 69.657583] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) # [ 69.666234] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) # [ 69.674844] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) # [ 69.683441] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) # [ 69.693710] platform panel-lvds0: deferred probe pending # [ 69.699423] platform backlight-lcd: deferred probe pending # [ 69.705277] platform backlight-lvds: deferred probe pending # [ 69.711159] platform panel-lcd: deferred probe pending # [ 69.716572] platform 120000.hdmi: deferred probe pending # [ 69.724350] lkdtm: Performing direct entry UNSET_SMEP # [ 69.729680] 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>[ 70.065879] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 70.071463] lkdtm: XFAIL: this test is ia32-only # [ 70.065879] lkdtm: Performing direct entry DOUBLE_FAULT # [ 70.071463] 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>[ 70.417775] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 70.423246] lkdtm: XFAIL: this test is arm64-only # [ 70.417775] lkdtm: Performing direct entry CORRUPT_PAC # [ 70.423246] 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>[ 70.746213] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 70.752984] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.746213] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.752984] 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>[ 71.438723] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 71.444546] lkdtm: Value in memory before free: 12345678 <6>[ 71.450129] lkdtm: Attempting bad read from freed memory <6>[ 71.455810] lkdtm: Memory was not poisoned # [ 71.438723] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.444546] lkdtm: Value in memory before free: 12345678 # [ 71.450129] lkdtm: Attempting bad read from freed memory # [ 71.455810] 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>[ 71.952114] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 71.958407] lkdtm: Value in memory before free: 12345678 <6>[ 71.964051] lkdtm: Attempting to read from freed memory <6>[ 71.969550] lkdtm: Buddy page was not poisoned # [ 71.952114] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.958407] lkdtm: Value in memory before free: 12345678 # [ 71.964051] lkdtm: Attempting to read from freed memory # [ 71.969550] 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>[ 72.275685] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 72.281631] lkdtm: Attempting double slab free ... # [ 72.275685] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.281631] 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>[ 72.581323] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 72.587100] lkdtm: Attempting cross-cache slab free ... # [ 72.581323] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.587100] 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>[ 72.909300] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 72.915058] lkdtm: Attempting non-Slab slab free ... # [ 72.909300] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.915058] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 73.949380] lkdtm: Performing direct entry EXEC_DATA <6>[ 73.954865] lkdtm: attempting ok execution at c0c587dc <6>[ 73.960312] lkdtm: attempting bad execution at c27069e4 <1>[ 73.965865] 8<--- cut here --- <1>[ 73.969195] Unable to handle kernel paging request at virtual address c27069e4 <1>[ 73.976701] pgd = a7d67f79 <1>[ 73.979692] [c27069e4] *pgd=1261141e(bad) <0>[ 73.984019] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 73.989530] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 74.019074] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 74.027103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 74.033928] PC is at data_area+0x0/0x40 <4>[ 74.038064] LR is at execute_location+0xa4/0xb4 <4>[ 74.042878] pc : [] lr : [] psr: 600e0013 <4>[ 74.049429] sp : c4751e38 ip : c4751d40 fp : c4751e54 <4>[ 74.054934] r10: 0000000a r9 : c1ad596c r8 : c15ebd0c <4>[ 74.060442] r7 : c4751f60 r6 : 00000001 r5 : c27069e4 r4 : c0c587dc <4>[ 74.067251] r3 : 060a6f7c r2 : 060a6f7c r1 : ef7ab5e0 r0 : 0000002b <4>[ 74.074064] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 74.081483] Control: 10c5387d Table: 1660804a DAC: 00000051 <0>[ 74.087514] Process cat (pid: 1721, stack limit = 0x2123f653) <0>[ 74.093543] Stack: (0xc4751e38 to 0xc4752000) <0>[ 74.098188] 1e20: 0000001f c60ab000 <0>[ 74.106657] 1e40: 0000000a c4751f60 c4751e64 c4751e58 c13c84dc c13c82d8 c4751e74 c4751e68 <0>[ 74.115125] 1e60: c0c57a6c c13c84c4 c4751e9c c4751e78 c0c57f6c c0c57a4c c0c57e4c c623cf00 <0>[ 74.123593] 1e80: b6e5a000 0000000a c30236c0 c4751f60 c4751ec4 c4751ea0 c07e1bc0 c0c57e58 <0>[ 74.132061] 1ea0: 00000000 c623cf00 b6e5a000 c2815800 c4751f60 c07e1b5c c4751f5c c4751ec8 <0>[ 74.140530] 1ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4750000 <0>[ 74.148997] 1ee0: b6e5a000 00020000 00000004 0000000a 0001fff6 c4751ee0 00000001 b6e59000 <0>[ 74.157463] 1f00: c474b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.165932] 1f20: 00000000 00000000 c13dd8b8 060a6f7c c206c120 c623cf00 c623cf00 c4750000 <0>[ 74.174400] 1f40: b6e5a000 00000000 00000000 00000004 c4751f94 c4751f60 c059c058 c059b9ac <0>[ 74.182868] 1f60: 00000000 00000000 c4751fac 060a6f7c 0000000a 0000000a b6fa1e00 00000004 <0>[ 74.191336] 1f80: c03002e4 c4750000 c4751fa4 c4751f98 c059c0e8 c059bff0 00000000 c4751fa8 <0>[ 74.199804] 1fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e5a000 0000000a 00000000 <0>[ 74.208272] 1fc0: 0000000a 0000000a b6fa1e00 00000004 00000001 00000000 00020000 be972ac4 <0>[ 74.216739] 1fe0: 00000004 be9727f8 b6f0bd8f b6e927e6 800e0030 00000001 00000000 00000000 <0>[ 74.225194] Backtrace: <0>[ 74.227960] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 74.236428] r7:c4751f60 r6:0000000a r5:c60ab000 r4:0000001f <0>[ 74.242388] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.250774] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.259082] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.267291] r9:c4751f60 r8:c30236c0 r7:0000000a r6:b6e5a000 r5:c623cf00 r4:c0c57e4c <0>[ 74.275338] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.283460] r9:c07e1b5c r8:c4751f60 r7:c2815800 r6:b6e5a000 r5:c623cf00 r4:00000000 <0>[ 74.291500] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.298926] r10:00000004 r9:00000000 r8:00000000 r7:b6e5a000 r6:c4750000 r5:c623cf00 <0>[ 74.307036] r4:c623cf00 <0>[ 74.309866] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.317293] r9:c4750000 r8:c03002e4 r7:00000004 r6:b6fa1e00 r5:0000000a r4:0000000a <0>[ 74.325333] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.333184] Exception stack(0xc4751fa8 to 0xc4751ff0) <0>[ 74.338525] 1fa0: 0000000a 0000000a 00000001 b6e5a000 0000000a 00000000 <0>[ 74.346993] 1fc0: 0000000a 0000000a b6fa1e00 00000004 00000001 00000000 00020000 be972ac4 <0>[ 74.355455] 1fe0: 00000004 be9727f8 b6f0bd8f b6e927e6 <0>[ 74.360798] Code: 00000000 c402a900 c402a9c0 c402aa80 (e1a0c00d) <4>[ 74.367185] ---[ end trace 42e62c1453b9a1c4 ]--- # Segmentation fault # [ 73.949380] lkdtm: Performing direct entry EXEC_DATA # [ 73.954865] lkdtm: attempting ok execution at c0c587dc # [ 73.960312] lkdtm: attempting bad execution at c27069e4 # [ 73.965865] 8<--- cut here --- # [ 73.969195] Unable to handle kernel paging request at virtual address c27069e4 # [ 73.976701] pgd = a7d67f79 # [ 73.979692] [c27069e4] *pgd=1261141e(bad) # [ 73.984019] Internal error: Oops: 8000000d [#3] SMP ARM # [ 73.989530] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.019074] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 74.027103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.033928] PC is at data_area+0x0/0x40 # [ 74.038064] LR is at execute_location+0xa4/0xb4 # [ 74.042878] pc : [] lr : [] psr: 600e0013 # [ 74.049429] sp : c4751e38 ip : c4751d40 fp : c4751e54 # [ 74.054934] r10: 0000000a r9 : c1ad596c r8 : c15ebd0c # [ 74.060442] r7 : c4751f60 r6 : 00000001 r5 : c27069e4 r4 : c0c587dc # [ 74.067251] r3 : 060a6f7c r2 : 060a6f7c r1 : ef7ab5e0 r0 : 0000002b # [ 74.074064] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.081483] Control: 10c5387d Table: 1660804a DAC: 00000051 # [ 74.087514] Process cat (pid: 1721, stack limit = 0x2123f653) # [ 74.093543] Stack: (0xc4751e38 to 0xc4752000) # [ 74.098188] 1e20: 0000001f c60ab000 # [ 74.106657] 1e40: 0000000a c4751f60 c4751e64 c4751e58 c13c84dc c13c82d8 c4751e74 c4751e68 # [ 74.115125] 1e60: c0c57a6c c13c84c4 c4751e9c c4751e78 c0c57f6c c0c57a4c c0c57e4c c623cf00 # [ 74.123593] 1e80: b6e5a000 0000000a c30236c0 c4751f60 c4751ec4 c4751ea0 c07e1bc0 c0c57e58 # [ 74.132061] 1ea0: 00000000 c623cf00 b6e5a000 c2815800 c4751f60 c07e1b5c c4751f5c c4751ec8 # [ 74.140530] 1ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4750000 # [ 74.148997] 1ee0: b6e5a000 00020000 00000004 0000000a 0001fff6 c4751ee0 00000001 b6e59000 # [ 74.157463] 1f00: c474b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.165932] 1f20: 00000000 00000000 c13dd8b8 060a6f7c c206c120 c623cf00 c623cf00 c4750000 # [ 74.174400] 1f40: b6e5a000 00000000 00000000 00000004 c4751f94 c4751f60 c059c058 c059b9ac # [ 74.182868] 1f60: 00000000 00000000 c4751fac 060a6f7c 0000000a 0000000a b6fa1e00 00000004 # [ 74.191336] 1f80: c03002e4 c4750000 c4751fa4 c4751f98 c059c0e8 c059bff0 00000000 c4751fa8 # [ 74.199804] 1fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e5a000 0000000a 00000000 # [ 74.208272] 1fc0: 0000000a 0000000a b6fa1e00 00000004 00000001 00000000 00020000 be972ac4 # [ 74.216739] 1fe0: 00000004 be9727f8 b6f0bd8f b6e927e6 800e0030 00000001 00000000 00000000 # [ 74.225194] Backtrace: # [ 74.227960] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 74.236428] r7:c4751f60 r6:0000000a r5:c60ab000 r4:0000001f # [ 74.242388] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.250774] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.259082] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.267291] r9:c4751f60 r8:c30236c0 r7:0000000a r6:b6e5a000 r5:c623cf00 r4:c0c57e4c # [ 74.275338] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.2834<6>[ 74.765117] lkdtm: Performing direct entry EXEC_STACK 60] r9:c07e1b5c r8:c4751f60 r7:c<6>[ 74.771890] lkdtm: attempting ok execution at c0c587dc 2815800 r6:b6e5a000 r5:c623cf00 r<6>[ 74.779904] lkdtm: attempting bad execution at c4697e0c 4:00000000 # [ 74.291500] [[ 74.788291] 8<--- cut here --- 59b9a0>] (vfs_write) from [] (ksys_write+0x74/0xec) <1>[ 74.804515] pgd = f0928e55 [ 74.298926] r10:00000004 r9:<1>[ 74.810258] [c4697e0c] *pgd=1461141e(bad) 00000000 r8:00000000 r7:b6e5a000 <0>[ 74.817399] Internal error: Oops: 8000000d [#4] SMP ARM r6:c4750000 r5:c623cf00 # [ 74<4>[ 74.825743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 .307036] r4:c623cf00 # [ 74.3<4>[ 74.857713] CPU: 3 PID: 1798 Comm: cat Tainted: G D W 5.10.207-cip41 #1 09866] [] (ksys<_4w>r[i 74.868570] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) te) from [] (sys_write+<4>[ 74.877794] PC is at 0xc4697e0c 0x18/0x1c) # [ 74.317293] r9:<4>[ 74.884073] LR is at execute_location+0xa4/0xb4 c4750000 r8:c03002e4 r7:00<040>0[ 74.891709] pc : [] lr : [] psr: 600e0013 04 r6:b6fa1e00 r5:0000000a< 4r>4[ 74.900751] sp : c4697de8 ip : c4697cf0 fp : c4697e04 0000000a # [ 74.325333] <4[><[ 74.908751] r10: 0000000b r9 : c1ad5978 r8 : c15ebd0c 059c0d0>] (sys_write) from <[4<>c 74.916753] r7 : c4697f60 r6 : 00000001 r5 : c4697e0c r4 : c0c587dc 03000c0>] (ret_fast_syscall+0[ 74.935450] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none on stack(0xc4751fa8 to 0xc4751f[ 74.945533] Control: 10c5387d Table: 1612004a DAC: 00000051 0) # [ 74.338525] 1fa0: < >[ 74.954229] Process cat (pid: 1798, stack limit = 0x761463f4) 0000000a 000000<00a>[ 74.962923] Stack: (0xc4697de8 to 0xc4698000) 00000001 b6e5a000 0000000a 000000<0>[ 74.970155] 7de0: c4696000 c44b5000 0000000b c4697f60 c4697e64 c4697e08 00 # [ 74.346993] 1fc0: 000000<0>[ 74.981453] 7e00: c13c8518 c13c82d8 c4697e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 0a 0000000a b6fa1e00 00000004 000<0>[ 74.992754] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 00001 00000000 00020000 be972ac4 <0>[ 75.004055] 7e40: e3a02040 e3a01d33 e5930018 26a5a5be 0000000b 00000020 c4697e74 c4697e68 # [ 74.355455] 1fe0: 00000004 <0>[ 75.015354] 7e60: c0c57a6c c13c84ec c4697e9c c4697e78 c0c57f6c c0c57a4c c0c57e4c c5a55b80 be9727f8 b6f0bd8f b6e927e6 # [ <0>[ 75.026655] 7e80: b6e4b000 0000000b c30236c0 c4697f60 c4697ec4 c4697ea0 c07e1bc0 c0c57e58 74.360798] Code: 00000000 c402a9<0>[ 75.037954] 7ea0: 00000000 c5a55b80 b6e4b000 c2815800 c4697f60 c07e1b5c c4697f5c c4697ec8 00 c402a9c0 c402aa80 (e1a0c00d) <0>[ 75.049254] 7ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4696000 # [ 74.367185] ---[ end trace <0>[ 75.060553] 7ee0: b6e4b000 00020000 00000004 0000000b 0001fff5 c4697ee0 00000001 b6e4a000 42e62c1453b9a1c4 ]--- # EXEC_DAT<0>[ 75.071852] 7f00: c623da40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 A: missing 'call trace:': [FAIL] <0>[ 75.083155] 7f20: 00000000 00000000 c13dd8b8 26a5a5be c206c120 c5a55b80 c5a55b80 c4696000 not ok 30 selftests: lkdtm: EXEC<0>[ 75.094454] 7f40: b6e4b000 00000000 00000000 00000004 c4697f94 c4697f60 c059c058 c059b9ac _DATA.sh # exit=1 # selftests: l<0>[ 75.105754] 7f60: 00000000 00000000 c4697fac 26a5a5be 0000000b 0000000b b6f92e00 00000004 kdtm: EXEC_STACK.sh <0>[ 75.117053] 7f80: c03002e4 c4696000 c4697fa4 c4697f98 c059c0e8 c059bff0 00000000 c4697fa8 <0>[ 75.127312] 7fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6e4b000 0000000b 00000000 <0>[ 75.135780] 7fc0: 0000000b 0000000b b6f92e00 00000004 00000001 00000000 00020000 becd7ac4 <0>[ 75.144247] 7fe0: 00000004 becd77f8 b6efcd8f b6e837e6 800e0030 00000001 00000000 00000000 <0>[ 75.152701] Backtrace: <0>[ 75.155464] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 75.164025] r7:c4697f60 r6:0000000b r5:c44b5000 r4:c4696000 <0>[ 75.169986] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.178447] r4:00000020 <0>[ 75.181278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.189585] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.197795] r9:c4697f60 r8:c30236c0 r7:0000000b r6:b6e4b000 r5:c5a55b80 r4:c0c57e4c <0>[ 75.205846] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.213969] r9:c07e1b5c r8:c4697f60 r7:c2815800 r6:b6e4b000 r5:c5a55b80 r4:00000000 <0>[ 75.222007] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.229434] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c4696000 r5:c5a55b80 <0>[ 75.237543] r4:c5a55b80 <0>[ 75.240372] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.247799] r9:c4696000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000000b r4:0000000b <0>[ 75.255840] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.263690] Exception stack(0xc4697fa8 to 0xc4697ff0) <0>[ 75.269032] 7fa0: 0000000b 0000000b 00000001 b6e4b000 0000000b 00000000 <0>[ 75.277501] 7fc0: 0000000b 0000000b b6f92e00 00000004 00000001 00000000 00020000 becd7ac4 <0>[ 75.285963] 7fe0: 00000004 becd77f8 b6efcd8f b6e837e6 <0>[ 75.291306] Code: c4697e08 c13c8518 c13c82d8 c4697e6c (e1a0c00d) <4>[ 75.297694] ---[ end trace 42e62c1453b9a1c5 ]--- # Segmentation fault # [ 74.765117] lkdtm: Performing direct entry EXEC_STACK # [ 74.771890] lkdtm: attempting ok execution at c0c587dc # [ 74.779904] lkdtm: attempting bad execution at c4697e0c # [ 74.788291] 8<--- cut here --- # [ 74.794424] Unable to handle kernel paging request at virtual address c4697e0c # [ 74.804515] pgd = f0928e55 # [ 74.810258] [c4697e0c] *pgd=1461141e(bad) # [ 74.817399] Internal error: Oops: 8000000d [#4] SMP ARM # [ 74.825743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.857713] CPU: 3 PID: 1798 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 74.868570] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.877794] PC is at 0xc4697e0c # [ 74.884073] LR is at execute_location+0xa4/0xb4 # [ 74.891709] pc : [] lr : [] psr: 600e0013 # [ 74.900751] sp : c4697de8 ip : c4697cf0 fp : c4697e04 # [ 74.908751] r10: 0000000b r9 : c1ad5978 r8 : c15ebd0c # [ 74.916753] r7 : c4697f60 r6 : 00000001 r5 : c4697e0c r4 : c0c587dc # [ 74.926056] r3 : 26a5a5be r2 : 26a5a5be r1 : ef7c05e0 r0 : 0000002b # [ 74.935450] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.945533] Control: 10c5387d Table: 1612004a DAC: 00000051 # [ 74.954229] Process cat (pid: 1798, stack limit = 0x761463f4) # [ 74.962923] Stack: (0xc4697de8 to 0xc4698000) # [ 74.970155] 7de0: c4696000 c44b5000 0000000b c4697f60 c4697e64 c4697e08 # [ 74.981453] 7e00: c13c8518 c13c82d8 c4697e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 74.992754] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 # [ 75.004055] 7e40: e3a02040 e3a01d33 e5930018 26a5a5be 0000000b 00000020 c4697e74 c4697e68 # [ 75.015354] 7e60: c0c57a6c c13c84ec c4697e9c c4697e78 c0c57f6c c0c57a4c c0c57e4c c5a55b80 # [ 75.026655] 7e80: b6e4b000 0000000b c30236c0 c4697f60 c4697ec4 c4697ea0 c07e1bc0 c0c57e58 # [ 75.037954] 7ea0: 00000000 c5a55b80 b6e4b000 c2815800 c4697f60 c07e1b5c c4697f5c c4697ec8 # [ 75.049254] 7ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4696000 # [ 75.060553] 7ee0: b6e4b000 00020000 00000004 0000000b 0001fff5 c4697ee0 00000001 b6e4a000 # [ 75.071852] 7f00: c623da40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.083155] 7f20: 00000000 00000000 c13dd8b8 26a5a5be c206c120 c5a55b80 c5a55b80 c4696000 # [ 75.094454] 7f40: b6e4b000 00000000 00000000 00000004 c4697f94 c4697f60 c059c058 c059b9ac # [ 75.105754] 7f60: 00000000 00000000 c4697fac 26a5a5be 0000000b 0000000b b6f92e00 00000004 # [ 75.117053] 7f80: c03002e4 c4696000 c4697fa4 c4697f98 c059c0e8 c059bff0 00000000 c4697fa8 # [ 75.127312] 7fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6e4b000 0000000b 00000000 # [ 75.135780] 7fc0: 0000000b 0000000b b6f92e00 00000004 00000001 00000000 00020000 becd7ac4 # [ 75.144247] 7fe0: 00000004 becd77f8 b6efcd8f b6e837e6 800e0030 00000001 00000000 00000000 # [ 75.152701] Backtrace: # [ 75.155464] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 75.164025] r7:c4697f60 r6:0000000b r5:c44b5000 r4:c4696000 # [ 75.169986] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.178447] r4:00000020 # [ 75.181278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.189585] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.197795] r9:c4697f60 r8:c30236c0 r7:0000000b r6:b6e4b000 r5:c5a55b80 r4:c0c57e4c # [ 75.205846] [] (full_p<6>[ 75.738938] lkdtm: Performing direct entry EXEC_KMALLOC roxy_write) from [] (vf<6>[ 75.746884] lkdtm: attempting ok execution at c0c587dc s_write+0x10c/0x53c) # [ 75.21<6>[ 75.754975] lkdtm: attempting bad execution at c5d6a3c0 3969] r9:c07e1b5c r8:c4697f60 r7<1>[ 75.763414] 8<--- cut here --- :c2815800 r6:b6e4b000< 1r>5[: c 75.769455] Unable to handle kernel paging request at virtual address c5d6a3c0 a55b80 r4:000<010>0[0 0 7#5 .[79191] pgd = cad424d5 75.222007] [] <(1v>f 75.784066] [c5d6a3c0] *pgd=15c1141e(bad) s_write) from [0]> [( 75.790859] Internal error: Oops: 8000000d [#5] SMP ARM sys_write+0x74/0xec) # [ 75.22<4>[ 75.798766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 9434] r10:00000004 r9<:40>0[0 075.830730] CPU: 1 PID: 1878 Comm: cat Tainted: G D W 5.10.207-cip41 #1 0000 r8:0<040>0[0 0 0 07 5r.78:4b980] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6e4b000 r6:c4696000 r<54:>c[5 a 575.849510] PC is at 0xc5d6a3c0 5b80 # [ 75.237543] :[c 75.855171] LR is at execute_location+0xa4/0xb4 a55b80 # [ < 4 >7[5 . 2 7450.3872383] pc : [] lr : [] psr: 600e0013 2] [4[> ] (7k5s.y8s70729] sp : c646fe30 ip : c646fd38 fp : c646fe4c write) fm[ [ < c7055.98c708036] r10: 0000000d r9 : c1ad5984 r8 : c15ebd0c 8>] (sys_wre[+ 0 x 7158./8085256] r7 : c646ff60 r6 : 00000001 r5 : c5d6a3c0 r4 : c0c587dc 1c) # [ < 4 >7[5 . 2 47757.9899]864] r3 : a7bde953 r2 : a7bde953 r1 : ef7965e0 r0 : 0000002b r9:c4696000< 4r>8[: c 0 37050.202389] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e4 r7:00000<040>4[ r 67:5b.69f11691] Control: 10c5387d Table: 165c804a DAC: 00000051 2e00 r5:00000<000>b[ r 4 :7050.019518] Process cat (pid: 1878, stack limit = 0x4ac8a616) 0000b # [ < 07>5[. 2 5 57854.0927432] Stack: (0xc646fe30 to 0xc6470000) [>][ ( s y7s5_.w9r33959] fe20: c5d6a3c0 c5b40000 0000000d c646ff60 te) from [>[] (7r5.944222] fe40: c646fe64 c646fe50 c0c5882c c13c82d8 00000021 c5b40000 c646fe74 c646fe68 t_fast_syscall+<00x>0[/ 0 x 2785)954740] fe60: c0c57a6c c0c58800 c646fe9c c646fe78 c0c57f6c c0c57a4c c0c57e4c c2fcb7c0 # [ 75.26<306>9[0 ] E7x5c.e65171] fe80: b6dec000 0000000d c30236c0 c646ff60 c646fec4 c646fea0 c07e1bc0 c0c57e58 ption stack(0x6[9 7 f a785 .975516] fea0: 00000000 c2fcb7c0 b6dec000 c2815800 c646ff60 c07e1b5c c646ff5c c646fec8 o 0xc4697ff0) #< 0[> [ 7755.985948] fec0: c059baac c07e1b68 00000001 00000000 c059c058 c5923ce4 c059c058 c646e000 269032] 7fa0: < 0 > [ 7 5 996379] fee0: b6dec000 00020000 00000004 0000000d 0001fff3 c646fee0 00000001 00000805 000000<00b> [0 0 0 07060.006810] ff00: c5a54640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 b 00000001 b6e40[0 0 07060017242] ff20: 00000000 00000000 c646e000 a7bde953 b6deb000 c2fcb7c0 c2fcb7c0 c646e000 000b 00000000 # [< 0 > [ 7 5 .72.027676] ff40: b6dec000 00000000 00000000 00000004 c646ff94 c646ff60 c059c058 c059b9ac 77501] 7fc0: 00<000>0[0 0 b 7060038194] ff60: 00000000 00000000 c646ffac a7bde953 0000000d 0000000d b6f33e00 00000004 00000b b6f92e0<00 >0[0 0 0 07060.048625] ff80: c03002e4 c646e000 c646ffa4 c646ff98 c059c0e8 c059bff0 00000000 c646ffa8 00000001 0000<000>0[0 0 07062.059056] ffa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6dec000 0000000d 00000000 000 becd7ac4 #< 0[> [ 7 57.62069489] ffc0: 0000000d 0000000d b6f33e00 00000004 00000001 00000000 00020000 befb3ac4 85963] 7fe0: 000<000>0[0 4 b7e6.079921] ffe0: 00000004 befb37f8 b6e9dd8f b6e247e6 800e0030 00000001 00000000 00000000 d77f8 b6efcd8f< 0b>6[e 8 3 77e66.090432] Backtrace: # [ 75.291306] Code: c4697] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 8 c13c8518 c13c8<20d>8[ c 4 6796.106441] r7:c646ff60 r6:0000000d r5:c5b40000 r4:c5d6a3c0 e6c (e1a0c00d) # <[0 > [ 7 5 .6.114443] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 297694] ---[< 0e>n[d t r7a6c.e125219] r5:c5b40000 r4:00000021 42e62c1453b9a1c5 ]<-0->-[ # 76.130966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) XEC_STACK: missing 'call tre 76.141404] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) :': [FAIL] n [o k 3716 .s52088] r9:c646ff60 r8:c30236c0 r7:0000000d r6:b6dec000 r5:c2fcb7c0 r4:c0c57e4c elftests: lkdtm: EXEC_SC[K . 76.162006] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) sh # exit=1 # l[f t e s7t6s172434] r9:c07e1b5c r8:c646ff60 r7:c2815800 r6:b6dec000 r5:c2fcb7c0 r4:00000000 : lkdtm: EXEC_KMALC[. s h 76.182433] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.191996] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c646e000 r5:c2fcb7c0 <0>[ 76.200090] r4:c2fcb7c0 <0>[ 76.202895] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.210300] r9:c646e000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:0000000d r4:0000000d <0>[ 76.218316] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.226150] Exception stack(0xc646ffa8 to 0xc646fff0) <0>[ 76.231471] ffa0: 0000000d 0000000d 00000001 b6dec000 0000000d 00000000 <0>[ 76.239915] ffc0: 0000000d 0000000d b6f33e00 00000004 00000001 00000000 00020000 befb3ac4 <0>[ 76.248359] ffe0: 00000004 befb37f8 b6e9dd8f b6e247e6 <0>[ 76.253681] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) <4>[ 76.260043] ---[ end trace 42e62c1453b9a1c6 ]--- # Segmentation fault # [ 75.738938] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.746884] lkdtm: attempting ok execution at c0c587dc # [ 75.754975] lkdtm: attempting bad execution at c5d6a3c0 # [ 75.763414] 8<--- cut here --- # [ 75.769455] Unable to handle kernel paging request at virtual address c5d6a3c0 # [ 75.779191] pgd = cad424d5 # [ 75.784066] [c5d6a3c0] *pgd=15c1141e(bad) # [ 75.790859] Internal error: Oops: 8000000d [#5] SMP ARM # [ 75.798766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.830730] CPU: 1 PID: 1878 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 75.840980] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.849510] PC is at 0xc5d6a3c0 # [ 75.855171] LR is at execute_location+0xa4/0xb4 # [ 75.862383] pc : [] lr : [] psr: 600e0013 # [ 75.870729] sp : c646fe30 ip : c646fd38 fp : c646fe4c # [ 75.878036] r10: 0000000d r9 : c1ad5984 r8 : c15ebd0c # [ 75.885256] r7 : c646ff60 r6 : 00000001 r5 : c5d6a3c0 r4 : c0c587dc # [ 75.893864] r3 : a7bde953 r2 : a7bde953 r1 : ef7965e0 r0 : 0000002b # [ 75.902389] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.911691] Control: 10c5387d Table: 165c804a DAC: 00000051 # [ 75.919518] Process cat (pid: 1878, stack limit = 0x4ac8a616) # [ 75.927432] Stack: (0xc646fe30 to 0xc6470000) # [ 75.933959] fe20: c5d6a3c0 c5b40000 0000000d c646ff60 # [ 75.944222] fe40: c646fe64 c646fe50 c0c5882c c13c82d8 00000021 c5b40000 c646fe74 c646fe68 # [ 75.954740] fe60: c0c57a6c c0c58800 c646fe9c c646fe78 c0c57f6c c0c57a4c c0c57e4c c2fcb7c0 # [ 75.965171] fe80: b6dec000 0000000d c30236c0 c646ff60 c646fec4 c646fea0 c07e1bc0 c0c57e58 # [ 75.975516] fea0: 00000000 c2fcb7c0 b6dec000 c2815800 c646ff60 c07e1b5c c646ff5c c646fec8 # [ 75.985948] fec0: c059baac c07e1b68 00000001 00000000 c059c058 c5923ce4 c059c058 c646e000 # [ 75.996379] fee0: b6dec000 00020000 00000004 0000000d 0001fff3 c646fee0 00000001 00000805 # [ 76.006810] ff00: c5a54640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.017242] ff20: 00000000 00000000 c646e000 a7bde953 b6deb000 c2fcb7c0 c2fcb7c0 c646e000 # [ 76.027676] ff40: b6dec000 00000000 00000000 00000004 c646ff94 c646ff60 c059c058 c059b9ac # [ 76.038194] ff60: 00000000 00000000 c646ffac a7bde953 0000000d 0000000d b6f33e00 00000004 # [ 76.048625] ff80: c03002e4 c646e000 c646ffa4 c646ff98 c059c0e8 c059bff0 00000000 c646ffa8 # [ 76.059056] ffa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6dec000 0000000d 00000000 # [ 76.069489] ffc0: 0000000d 0000000d b6f33e00 00000004 00000001 00000000 00020000 befb3ac4 # [ 76.079921] ffe0: 00000004 befb37f8 b6e9dd8f b6e247e6 800e0030 00000001 00000000 00000000 # [ 76.090432] Backtrace: # [ 76.095149] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 76.106441] r7:c646ff60 r6:0000000d r5:c5b40000 r4:c5d6a3c0 # [ 76.114443] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.125219] r5:c5b40000 r4:00000021 # [ 76.130966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.141404] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.152088] r9:c646ff60 r8:c30236c0 r7:0000000d r6:b6dec000 r5:c2fcb7c0 r4:c0c57e4c # [ 76.162006] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.172434] r9:c07e1b5c r8:c646ff60 r7:c2815800 r6:b6dec<6>[ 76.699250] lkdtm: Performing direct entry EXEC_VMALLOC 000 r5:c2fcb7c0 r4:00000000 # [ <6>[ 76.707397] lkdtm: attempting ok execution at c0c587dc 76.182433] [] (vfs_wr<6>[ 76.715377] lkdtm: attempting bad execution at f096c000 ite) from [] (ksys_writ<1>[ 76.723813] 8<--- cut here --- e+0x74/0xec) # [ 76.191996] r<1>[ 76.729958] Unable to handle kernel paging request at virtual address f096c000 10:00000004 r9:00000000 r8:000000<1>[ 76.740337] pgd = d1d49e05 00 r7:b6dec000 r6:c646e000 r5:c2f<1>[ 76.746216] [f096c000] *pgd=12950811, *pte=494b965f, *ppte=494b945f cb7c0 # [ 76.200090] r4:c2fcb<0>[ 76.755603] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 76.763914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 76.793205] CPU: 0 PID: 1956 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 76.801213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 76.808010] PC is at 0xf096c000 <4>[ 76.811427] LR is at execute_location+0xa4/0xb4 <4>[ 76.816224] pc : [] lr : [] psr: 600e0013 <4>[ 76.822756] sp : c646de30 ip : c646dd38 fp : c646de4c <4>[ 76.828246] r10: 0000000d r9 : c1ad5994 r8 : c15ebd0c <4>[ 76.833736] r7 : c646df60 r6 : 00000001 r5 : f096c000 r4 : c0c587dc <4>[ 76.840528] r3 : e5bdc402 r2 : e5bdc402 r1 : ef7815e0 r0 : 0000002b <4>[ 76.847322] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 76.854723] Control: 10c5387d Table: 162d404a DAC: 00000051 <0>[ 76.860737] Process cat (pid: 1956, stack limit = 0xa82a61f7) <0>[ 76.866750] Stack: (0xc646de30 to 0xc646e000) <0>[ 76.871377] de20: f096c000 c6519000 0000000d c646df60 <0>[ 76.879822] de40: c646de64 c646de50 c0c58860 c13c82d8 00000022 c6519000 c646de74 c646de68 <0>[ 76.888269] de60: c0c57a6c c0c58844 c646de9c c646de78 c0c57f6c c0c57a4c c0c57e4c c5964b40 <0>[ 76.896715] de80: b6df6000 0000000d c30236c0 c646df60 c646dec4 c646dea0 c07e1bc0 c0c57e58 <0>[ 76.905160] dea0: 00000000 c5964b40 b6df6000 c2815800 c646df60 c07e1b5c c646df5c c646dec8 <0>[ 76.913606] dec0: c059baac c07e1b68 00000001 00000000 c059c058 c2d5bce4 c059c058 c646c000 <0>[ 76.922051] dee0: b6df6000 00020000 00000004 0000000d 0001fff3 c646dee0 00000001 00000805 <0>[ 76.930495] df00: c5a52500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.938941] df20: 00000000 00000000 c646c000 e5bdc402 b6df5000 c5964b40 c5964b40 c646c000 <0>[ 76.947386] df40: b6df6000 00000000 00000000 00000004 c646df94 c646df60 c059c058 c059b9ac <0>[ 76.955831] df60: 00000000 00000000 c646dfac e5bdc402 0000000d 0000000d b6f3de00 00000004 <0>[ 76.964276] df80: c03002e4 c646c000 c646dfa4 c646df98 c059c0e8 c059bff0 00000000 c646dfa8 <0>[ 76.972721] dfa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6df6000 0000000d 00000000 <0>[ 76.981165] dfc0: 0000000d 0000000d b6f3de00 00000004 00000001 00000000 00020000 beed0ac4 <0>[ 76.989612] dfe0: 00000004 beed07f8 b6ea7d8f b6e2e7e6 800e0030 00000001 00000000 00000000 <0>[ 76.998051] Backtrace: <0>[ 77.000780] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 77.009486] r7:c646df60 r6:0000000d r5:c6519000 r4:f096c000 <0>[ 77.015417] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.024034] r5:c6519000 r4:00000022 <0>[ 77.027881] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.036161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.044348] r9:c646df60 r8:c30236c0 r7:0000000d r6:b6df6000 r5:c5964b40 r4:c0c57e4c <0>[ 77.052368] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.060466] r9:c07e1b5c r8:c646df60 r7:c2815800 r6:b6df6000 r5:c5964b40 r4:00000000 <0>[ 77.068480] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.075885] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c646c000 r5:c5964b40 <0>[ 77.083978] r4:c5964b40 <0>[ 77.086784] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.094187] r9:c646c000 r8:c03002e4 r7:00000004 r6:b6f3de00 r5:0000000d r4:0000000d <0>[ 77.102202] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.110036] Exception stack(0xc646dfa8 to 0xc646dff0) <0>[ 77.115354] dfa0: 0000000d 0000000d 00000001 b6df6000 0000000d 00000000 <0>[ 77.123799] dfc0: 0000000d 0000000d b6f3de00 00000004 00000001 00000000 00020000 beed0ac4 <0>[ 77.132242] dfe0: 00000004 beed07f8 b6ea7d8f b6e2e7e6 <0>[ 77.137566] Code: bad PC value 7c0 # [ 76.202895] [<4>[ 77.140957] ---[ end trace 42e62c1453b9a1c7 ]--- ] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.210300] r9:c646e000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:0000000d r4:0000000d # [ 76.218316] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.226150] Exception stack(0xc646ffa8 to 0xc646fff0) # [ 76.231471] ffa0: 0000000d 0000000d 00000001 b6dec000 0000000d 00000000 # [ 76.239915] ffc0: 0000000d 0000000d b6f33e00 00000004 00000001 00000000 00020000 befb3ac4 # [ 76.248359] ffe0: 00000004 befb37f8 b6e9dd8f b6e247e6 # [ 76.253681] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) # [ 76.260043] ---[ end trace 42e62c1453b9a1c6 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 76.699250] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.707397] lkdtm: attempting ok execution at c0c587dc # [ 76.715377] lkdtm: attempting bad execution at f096c000 # [ 76.723813] 8<--- cut here --- # [ 76.729958] Unable to handle kernel paging request at virtual address f096c000 # [ 76.740337] pgd = d1d49e05 # [ 76.746216] [f096c000] *pgd=12950811, *pte=494b965f, *ppte=494b945f # [ 76.755603] Internal error: Oops: 8000000f [#6] SMP ARM # [ 76.763914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.793205] CPU: 0 PID: 1956 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 76.801213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.808010] PC is at 0xf096c000 # [ 76.811427] LR is at execute_location+0xa4/0xb4 # [ 76.816224] pc : [] lr : [] psr: 600e0013 # [ 76.822756] sp : c646de30 ip : c646dd38 fp : c646de4c # [ 76.828246] r10: 0000000d r9 : c1ad5994 r8 : c15ebd0c # [ 76.833736] r7 : c646df60 r6 : 00000001 r5 : f096c000 r4 : c0c587dc # [ 76.840528] r3 : e5bdc402 r2 : e5bdc402 r1 : ef7815e0 r0 : 0000002b # [ 76.847322] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.854723] Control: 10c5387d Table: 162d404a DAC: 00000051 # [ 76.860737] Process cat (pid: 1956, stack limit = 0xa82a61f7) # [ 76.866750] Stack: (0xc646de30 to 0xc646e000) # [ 76.871377] de20: f096c000 c6519000 0000000d c646df60 # [ 76.879822] de40: c646de64 c646de50 c0c58860 c13c82d8 00000022 c6519000 c646de74 c646de68 # [ 76.888269] de60: c0c57a6c c0c58844 c646de9c c646de78 c0c57f6c c0c57a4c c0c57e4c c5964b40 # [ 76.896715] de80: b6df6000 0000000d c30236c0 c646df60 c646dec4 c646dea0 c07e1bc0 c0c57e58 # [ 76.905160] dea0: 00000000 c5964b40 b6df6000 c2815800 c646df60 c07e1b5c c646df5c c646dec8 # [ 76.913606] dec0: c059baac c07e1b68 00000001 00000000 c059c058 c2d5bce4 c059c058 c646c000 # [ 76.922051] dee0: b6df6000 00020000 00000004 0000000d 0001fff3 c646dee0 00000001 00000805 # [ 76.930495] df00: c5a52500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.938941] df20: 00000000 00000000 c646c000 e5bdc402 b6df5000 c5964b40 c5964b40 c646c000 # [ 76.947386] df40: b6df6000 00000000 00000000 00000004 c646df94 c646df60 c059c058 c059b9ac # [ 76.955831] df60: 00000000 00000000 c646dfac e5bdc402 0000000d 0000000d b6f3de00 00000004 # [ 76.964276] df80: c03002e4 c646c000 c646dfa4 c646df98 c059c0e8 c059bff0 00000000 c646dfa8 # [ 76.972721] dfa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6df6000 0000000d 00000000 # [ 76.981165] dfc0: 0000000d 0000000d b6f3de00 00000004 00000001 00000000 00020000 beed0ac4 # [ 76.989612] dfe0: 00000004 beed07f8 b6ea7d8f b6e2e7e6 800e0030 00000001 00000000 00000000 # [ 76.998051] Backtrace: # [ 77.000780] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 77.009486] r7:c646df60 r6:0000000d r5:c6519000 r4:f096c000 # [ 77.015417] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.024034] r5:c6519000 r4:00000022 # [ 77.027881] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.036161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.044348] r9:c646df60 r8:c30236c0 r7:0000000d r6:b6df6000 r5:c5964b40 r4:c0c57e4c # [ 77.052368] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <6>[ 77.588275] lkdtm: Performing direct entry EXEC_RODATA # [ 77.060466] r9:c07e1b5c r8:<6>[ 77.595722] lkdtm: attempting ok execution at c0c587dc c646df60 r7:c2815800 r6:b6df6000 <6>[ 77.604063] lkdtm: attempting bad execution at c15ebfa8 r5:c5964b40 r4:00000000 # [ 77<1>[ 77.612440] 8<--- cut here --- <1>[ 77.618562] Unable to handle kernel paging request at virtual address c15ebfa8 <1>[ 77.626051] pgd = 3e5bb269 <1>[ 77.629024] [c15ebfa8] *pgd=1141941e(bad) <0>[ 77.633315] Internal error: Oops: 8000000d [#7] SMP ARM <4>[ 77.638807] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.668096] CPU: 0 PID: 2034 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 77.676105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.682907] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 77.688232] LR is at execute_location+0xa4/0xb4 <4>[ 77.693030] pc : [] lr : [] psr: 600e0013 <4>[ 77.699563] sp : c65cbe38 ip : c65cbd40 fp : c65cbe54 <4>[ 77.705052] r10: 0000000c r9 : c1ad59a4 r8 : c15ebd0c <4>[ 77.710543] r7 : c65cbf60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c587dc <4>[ 77.717335] r3 : 04251dd9 r2 : 04251dd9 r1 : ef7815e0 r0 : 0000002b <4>[ 77.724129] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.731530] Control: 10c5387d Table: 1668c04a DAC: 00000051 <0>[ 77.737542] Process cat (pid: 2034, stack limit = 0x260d9cf8) <0>[ 77.743553] Stack: (0xc65cbe38 to 0xc65cc000) <0>[ 77.748178] be20: 00000023 c651e000 <0>[ 77.756623] be40: 0000000c c65cbf60 c65cbe64 c65cbe58 c13c8558 c13c82d8 c65cbe74 c65cbe68 <0>[ 77.765068] be60: c0c57a6c c13c8540 c65cbe9c c65cbe78 c0c57f6c c0c57a4c c0c57e4c c6069540 <0>[ 77.773514] be80: b6e9f000 0000000c c30236c0 c65cbf60 c65cbec4 c65cbea0 c07e1bc0 c0c57e58 <0>[ 77.781959] bea0: 00000000 c6069540 b6e9f000 c2815800 c65cbf60 c07e1b5c c65cbf5c c65cbec8 <0>[ 77.790405] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c65ca000 <0>[ 77.798852] bee0: b6e9f000 00020000 00000004 0000000c 0001fff4 c65cbee0 00000001 b6e9e000 <0>[ 77.807297] bf00: c474b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.815744] bf20: 00000000 00000000 c13dd8b8 04251dd9 c206c120 c6069540 c6069540 c65ca000 <0>[ 77.824190] bf40: b6e9f000 00000000 00000000 00000004 c65cbf94 c65cbf60 c059c058 c059b9ac <0>[ 77.832637] bf60: 00000000 00000000 c65cbfac 04251dd9 0000000c 0000000c b6fe6e00 00000004 <0>[ 77.841084] bf80: c03002e4 c65ca000 c65cbfa4 c65cbf98 c059c0e8 c059bff0 00000000 c65cbfa8 <0>[ 77.849528] bfa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e9f000 0000000c 00000000 <0>[ 77.857974] bfc0: 0000000c 0000000c b6fe6e00 00000004 00000001 00000000 00020000 be827ac4 <0>[ 77.866417] bfe0: 00000004 be8277f8 b6f50d8f b6ed77e6 800e0030 00000001 00000000 00000000 <0>[ 77.874856] Backtrace: <0>[ 77.877583] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 77.886203] r7:c65cbf60 r6:0000000c r5:c651e000 r4:00000023 <0>[ 77.892136] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.900674] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.908953] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.917139] r9:c65cbf60 r8:c30236c0 r7:0000000c r6:b6e9f000 r5:c6069540 r4:c0c57e4c <0>[ 77.925159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.933258] r9:c07e1b5c r8:c65cbf60 r7:c2815800 r6:b6e9f000 r5:c6069540 r4:00000000 <0>[ 77.941272] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.948677] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c65ca000 r5:c6069540 <0>[ 77.956771] r4:c6069540 <0>[ 77.959578] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.966985] r9:c65ca000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000000c r4:0000000c <0>[ 77.975001] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.982835] Exception stack(0xc65cbfa8 to 0xc65cbff0) <0>[ 77.988156] bfa0: 0000000c 0000000c 00000001 b6e9f000 0000000c 00000000 <0>[ 77.996603] bfc0: 0000000c 0000000c b6fe6e00 00000004 00000001 00000000 00020000 be827ac4 <0>[ 78.005046] bfe0: 00000004 be8277f8 b6f50d8f b6ed77e6 <0>[ 78.010368] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 78.016732] ---[ end trace 42e62c1453b9a1c8 ]--- .068480] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.075885] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c646c000 r5:c5964b40 # [ 77.083978] r4:c5964b40 # [ 77.086784] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.094187] r9:c646c000 r8:c03002e4 r7:00000004 r6:b6f3de00 r5:0000000d r4:0000000d # [ 77.102202] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.110036] Exception stack(0xc646dfa8 to 0xc646dff0) # [ 77.115354] dfa0: 0000000d 0000000d 00000001 b6df6000 0000000d 00000000 # [ 77.123799] dfc0: 0000000d 0000000d b6f3de00 00000004 00000001 00000000 00020000 beed0ac4 # [ 77.132242] dfe0: 00000004 beed07f8 b6ea7d8f b6e2e7e6 # [ 77.137566] Code: bad PC value # [ 77.140957] ---[ end trace 42e62c1453b9a1c7 ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh # Segmentation fault # [ 77.588275] lkdtm: Performing direct entry EXEC_RODATA # [ 77.595722] lkdtm: attempting ok execution at c0c587dc # [ 77.604063] lkdtm: attempting bad execution at c15ebfa8 # [ 77.612440] 8<--- cut here --- # [ 77.618562] Unable to handle kernel paging request at virtual address c15ebfa8 # [ 77.626051] pgd = 3e5bb269 # [ 77.629024] [c15ebfa8] *pgd=1141941e(bad) # [ 77.633315] Internal error: Oops: 8000000d [#7] SMP ARM # [ 77.638807] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.668096] CPU: 0 PID: 2034 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 77.676105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.682907] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.688232] LR is at execute_location+0xa4/0xb4 # [ 77.693030] pc : [] lr : [] psr: 600e0013 # [ 77.699563] sp : c65cbe38 ip : c65cbd40 fp : c65cbe54 # [ 77.705052] r10: 0000000c r9 : c1ad59a4 r8 : c15ebd0c # [ 77.710543] r7 : c65cbf60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c587dc # [ 77.717335] r3 : 04251dd9 r2 : 04251dd9 r1 : ef7815e0 r0 : 0000002b # [ 77.724129] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.731530] Control: 10c5387d Table: 1668c04a DAC: 00000051 # [ 77.737542] Process cat (pid: 2034, stack limit = 0x260d9cf8) # [ 77.743553] Stack: (0xc65cbe38 to 0xc65cc000) # [ 77.748178] be20: 00000023 c651e000 # [ 77.756623] be40: 0000000c c65cbf60 c65cbe64 c65cbe58 c13c8558 c13c82d8 c65cbe74 c65cbe68 # [ 77.765068] be60: c0c57a6c c13c8540 c65cbe9c c65cbe78 c0c57f6c c0c57a4c c0c57e4c c6069540 # [ 77.773514] be80: b6e9f000 0000000c c30236c0 c65cbf60 c65cbec4 c65cbea0 c07e1bc0 c0c57e58 # [ 77.781959] bea0: 00000000 c6069540 b6e9f000 c2815800 c65cbf60 c07e1b5c c65cbf5c c65cbec8 # [ 77.790405] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c65ca000 # [ 77.798852] bee0: b6e9f000 00020000 00000004 0000000c 0001fff4 c65cbee0 00000001 b6e9e000 # [ 77.807297] bf00: c474b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.815744] bf20: 00000000 00000000 c13dd8b8 04251dd9 c206c120 c6069540 c6069540 c65ca000 # [ 77.824190] bf40: b6e9f000 00000000 00000000 00000004 c65cbf94 c65cbf60 c059c058 c059b9ac # [ 77.832637] bf60: 00000000 00000000 c65cbfac 04251dd9 0000000c 0000000c b6fe6e00 00000004 # [ 77.841084] bf80: c03002e4 c65ca000 c65cbfa4 c65cbf98 c059c0e8 c059bff0 00000000 c65cbfa8 # [ 77.849528] bfa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e9f000 0000000c 00000000 # [ 77.857974] bfc0: 0000000c 0000000c b6fe6e00 00000004 00000001 00000000 00020000 be827ac4 # [ 77.866417] bfe0: 00000004 be8277f8 b6f50d8f b6ed77e6 800e0030 00000001 00000000 00000000 # [ 77.874856] Backtrace: # [ 77.877583] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 77.886203] r7:c65cbf60 r6:0000000c r5:c651e000 r4:00000023 # [ 77.892136] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.900674] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.908953] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.917139] r9:c65cbf60 r8:c30236c0 r7:0000000c r6:b6e9f000 r5:c6069540 r4:c0c57e4c # [ 77.925159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 7<6>[ 78.458866] lkdtm: Performing direct entry EXEC_USERSPACE 7.933258] r9:c07e1b5c r8:c65cbf6<6>[ 78.465313] lkdtm: attempting ok execution at c0c587dc 0 r7:c2815800 r6:b6e9f000 r5:c606<6>[ 78.473846] lkdtm: attempting bad execution at b6f8a000 9540 r4:00000000 # [ 77.941272<1>[ 78.482009] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f8a000 <0>[ 78.492201] Internal error: : b [#8] SMP ARM <4>[ 78.496737] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 78.526029] CPU: 0 PID: 2111 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 78.534038] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.540836] PC is at 0xb6f8a000 <4>[ 78.544252] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 78.549397] pc : [] lr : [] psr: 600e0013 <4>[ 78.555930] sp : c619fe48 ip : c619fd50 fp : c619fe64 <4>[ 78.561420] r10: 0000000f r9 : c1ad59b0 r8 : c15ebd0c <4>[ 78.566910] r7 : c619ff60 r6 : 0000000f r5 : c6562000 r4 : b6f8a000 <4>[ 78.573701] r3 : 010c07cb r2 : 010c07cb r1 : ef7815e0 r0 : 0000002b <4>[ 78.580495] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.587896] Control: 10c5387d Table: 1664804a DAC: 00000051 <0>[ 78.593909] Process cat (pid: 2111, stack limit = 0x53855add) <0>[ 78.599922] Stack: (0xc619fe48 to 0xc61a0000) <0>[ 78.604549] fe40: 00000001 00000000 0000000f 00000024 c619fe74 c619fe68 <0>[ 78.612996] fe60: c0c57a6c c0c58878 c619fe9c c619fe78 c0c57f6c c0c57a4c c0c57e4c c601ca00 <0>[ 78.621442] fe80: b6e44000 0000000f c30236c0 c619ff60 c619fec4 c619fea0 c07e1bc0 c0c57e58 <0>[ 78.629887] fea0: 00000000 c601ca00 b6e44000 c2815800 c619ff60 c07e1b5c c619ff5c c619fec8 <0>[ 78.638336] fec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c619e000 <0>[ 78.646781] fee0: b6e44000 00020000 00000004 0000000f 0001fff1 c619fee0 00000001 b6e43000 <0>[ 78.655226] ff00: c4757400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.663671] ff20: 00000000 00000000 c13dd8b8 010c07cb c206c120 c601ca00 c601ca00 c619e000 <0>[ 78.672114] ff40: b6e44000 00000000 00000000 00000004 c619ff94 c619ff60 c059c058 c059b9ac <0>[ 78.680560] ff60: 00000000 00000000 c619ffac 010c07cb 0000000f 0000000f b6f8be00 00000004 <0>[ 78.689004] ff80: c03002e4 c619e000 c619ffa4 c619ff98 c059c0e8 c059bff0 00000000 c619ffa8 <0>[ 78.697448] ffa0: c03000c0 c059c0dc 0000000f 0000000f 00000001 b6e44000 0000000f 00000000 <0>[ 78.705895] ffc0: 0000000f 0000000f b6f8be00 00000004 00000001 00000000 00020000 bee58ac4 <0>[ 78.714339] ffe0: 00000004 bee587f8 b6ef5d8f b6e7c7e6 800e0030 00000001 00000000 00000000 <0>[ 78.722778] Backtrace: <0>[ 78.725503] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.734293] r4:00000024 <0>[ 78.737097] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.745377] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.753562] r9:c619ff60 r8:c30236c0 r7:0000000f r6:b6e44000 r5:c601ca00 r4:c0c57e4c <0>[ 78.761583] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.769680] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6e44000 r5:c601ca00 r4:00000000 <0>[ 78.777693] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.785096] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c619e000 r5:c601ca00 <0>[ 78.793188] r4:c601ca00 <0>[ 78.795993] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.803396] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000000f r4:0000000f <0>[ 78.811411] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.819244] Exception stack(0xc619ffa8 to 0xc619fff0) <0>[ 78.824563] ffa0: 0000000f 0000000f 00000001 b6e44000 0000000f 00000000 <0>[ 78.833008] ffc0: 0000000f 0000000f b6f8be00 00000004 00000001 00000000 00020000 bee58ac4 <0>[ 78.841450] ffe0: 00000004 bee587f8 b6ef5d8f b6e7c7e6 <0>[ 78.846773] Code: bad PC value <4>[ 78.850098] ---[ end trace 42e62c1453b9a1c9 ]--- ] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.948677] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c65ca000 r5:c6069540 # [ 77.956771] r4:c6069540 # [ 77.959578] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.966985] r9:c65ca000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000000c r4:0000000c # [ 77.975001] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.982835] Exception stack(0xc65cbfa8 to 0xc65cbff0) # [ 77.988156] bfa0: 0000000c 0000000c 00000001 b6e9f000 0000000c 00000000 # [ 77.996603] bfc0: 0000000c 0000000c b6fe6e00 00000004 00000001 00000000 00020000 be827ac4 # [ 78.005046] bfe0: 00000004 be8277f8 b6f50d8f b6ed77e6 # [ 78.010368] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 78.016732] ---[ end trace 42e62c1453b9a1c8 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 78.458866] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.465313] lkdtm: attempting ok execution at c0c587dc # [ 78.473846] lkdtm: attempting bad execution at b6f8a000 # [ 78.482009] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f8a000 # [ 78.492201] Internal error: : b [#8] SMP ARM # [ 78.496737] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.526029] CPU: 0 PID: 2111 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 78.534038] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.540836] PC is at 0xb6f8a000 # [ 78.544252] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 78.549397] pc : [] lr : [] psr: 600e0013 # [ 78.555930] sp : c619fe48 ip : c619fd50 fp : c619fe64 # [ 78.561420] r10: 0000000f r9 : c1ad59b0 r8 : c15ebd0c # [ 78.566910] r7 : c619ff60 r6 : 0000000f r5 : c6562000 r4 : b6f8a000 # [ 78.573701] r3 : 010c07cb r2 : 010c07cb r1 : ef7815e0 r0 : 0000002b # [ 78.580495] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.587896] Control: 10c5387d Table: 1664804a DAC: 00000051 # [ 78.593909] Process cat (pid: 2111, stack limit = 0x53855add) # [ 78.599922] Stack: (0xc619fe48 to 0xc61a0000) # [ 78.604549] fe40: 00000001 00000000 0000000f 00000024 c619fe74 c619fe68 # [ 78.612996] fe60: c0c57a6c c0c58878 c619fe9c c619fe78 c0c57f6c c0c57a4c c0c57e4c c601ca00 # [ 78.621442] fe80: b6e44000 0000000f c30236c0 c619ff60 c619fec4 c619fea0 c07e1bc0 c0c57e58 # [ 78.629887] fea0: 00000000 c601ca00 b6e44000 c2815800 c619ff60 c07e1b5c c619ff5c c619fec8 # [ 78.638336] fec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c619e000 # [ 78.646781] fee0: b6e44000 00020000 00000004 0000000f 0001fff1 c619fee0 00000001 b6e43000 # [ 78.655226] ff00: c4757400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.663671] ff20: 00000000 00000000 c13dd8b8 010c07cb c206c120 c601ca00 c601ca00 c619e000 # [ 78.672114] ff40: b6e44000 00000000 00000000 00000004 c619ff94 c619ff60 c059c058 c059b9ac # [ 78.680560] ff60: 00000000 00000000 c619ffac 010c07cb 0000000f 0000000f b6f8be00 00000004 # [ 78.689004] ff80: c03002e4 c619e000 c619ffa4 c619ff98 c059c0e8 c059bff0 00000000 c619ffa8 # [ 78.697448] ffa0: c03000c0 c059c0dc 0000000f 0000000f 00000001 b6e44000 0000000f 00000000 # [ 78.705895] ffc0: 0000000f 0000000f b6f8be00 00000004 00000001 00000000 00020000 bee58ac4 # [ 78.714339] ffe0: 00000004 bee587f8 b6ef5d8f b6e7c7e6 800e0030 00000001 00000000 00000000 # [ 78.722778] Backtrace: # [ 78.725503] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.734293] r4:00000024 # [ 78.737097] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.745377] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.753562] r9:c619ff60 r8:c30236c0 r7:0000000f r6:b6e44000 r5:c601ca00 r4:c0c57e4c # [ 78.761583] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.769680] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6e44000 r5:c601ca00 r4:00000000 # [ 78.777693] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.785096] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c619e000 r5:c601ca00 # [ <6>[ 79.288614] lkdtm: Performing direct entry EXEC_NULL 78.793188] r4:c601ca00 # [ 7<6>[ 79.295905] lkdtm: attempting ok execution at c0c587dc 8.795993] [] (ksys_writ<6>[ 79.304257] lkdtm: attempting bad execution at 00000000 e) from [] (sys_write+0<1>[ 79.312638] 8<--- cut here --- x18/0x1c) # [ 78.803396] r9:c<1>[ 79.318787] Unable to handle kernel NULL pointer dereference at virtual address 00000000 619e000 r8:c03002e4 r7:00000004 r<1>[ 79.330032] pgd = 8ab286e3 6:b6f8be00 r5:0000000f r4:0000000<1>[ 79.335916] [00000000] *pgd=00000000 f # [ 78.811411] [] <0>[ 79.342614] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 79.350923] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 79.380191] CPU: 0 PID: 2183 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 79.388199] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.394997] PC is at 0x0 <4>[ 79.397806] LR is at execute_location+0xa4/0xb4 <4>[ 79.402605] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 79.409137] sp : c4695e38 ip : c4695d40 fp : c4695e54 <4>[ 79.414627] r10: 0000000a r9 : c1ad59c0 r8 : c15ebd0c <4>[ 79.420117] r7 : c4695f60 r6 : 00000000 r5 : 00000000 r4 : c0c587dc <4>[ 79.426909] r3 : affebb82 r2 : affebb82 r1 : ef7815e0 r0 : 0000002b <4>[ 79.433704] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.441104] Control: 10c5387d Table: 165c404a DAC: 00000051 <0>[ 79.447118] Process cat (pid: 2183, stack limit = 0xc4850fdc) <0>[ 79.453130] Stack: (0xc4695e38 to 0xc4696000) <0>[ 79.457755] 5e20: 00000025 c6565000 <0>[ 79.466200] 5e40: 0000000a c4695f60 c4695e64 c4695e58 c13c857c c13c82d8 c4695e74 c4695e68 <0>[ 79.474647] 5e60: c0c57a6c c13c8568 c4695e9c c4695e78 c0c57f6c c0c57a4c c0c57e4c c601d180 <0>[ 79.483092] 5e80: b6ea0000 0000000a c30236c0 c4695f60 c4695ec4 c4695ea0 c07e1bc0 c0c57e58 <0>[ 79.491538] 5ea0: 00000000 c601d180 b6ea0000 c2815800 c4695f60 c07e1b5c c4695f5c c4695ec8 <0>[ 79.499984] 5ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4694000 <0>[ 79.508429] 5ee0: b6ea0000 00020000 00000004 0000000a 0001fff6 c4695ee0 00000001 b6e9f000 <0>[ 79.516875] 5f00: c468a780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.525322] 5f20: 00000000 00000000 c13dd8b8 affebb82 c206c120 c601d180 c601d180 c4694000 <0>[ 79.533768] 5f40: b6ea0000 00000000 00000000 00000004 c4695f94 c4695f60 c059c058 c059b9ac <0>[ 79.542215] 5f60: 00000000 00000000 c4695fac affebb82 0000000a 0000000a b6fe7e00 00000004 <0>[ 79.550659] 5f80: c03002e4 c4694000 c4695fa4 c4695f98 c059c0e8 c059bff0 00000000 c4695fa8 <0>[ 79.559105] 5fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6ea0000 0000000a 00000000 <0>[ 79.567550] 5fc0: 0000000a 0000000a b6fe7e00 00000004 00000001 00000000 00020000 bec52ac4 <0>[ 79.575995] 5fe0: 00000004 bec527f8 b6f51d8f b6ed87e6 800e0030 00000001 00000000 00000000 <0>[ 79.584434] Backtrace: <0>[ 79.587160] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 79.595607] r7:c4695f60 r6:0000000a r5:c6565000 r4:00000025 <0>[ 79.601541] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.609902] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.618182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.626367] r9:c4695f60 r8:c30236c0 r7:0000000a r6:b6ea0000 r5:c601d180 r4:c0c57e4c <0>[ 79.634387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.642487] r9:c07e1b5c r8:c4695f60 r7:c2815800 r6:b6ea0000 r5:c601d180 r4:00000000 <0>[ 79.650500] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.657905] r10:00000004 r9:00000000 r8:00000000 r7:b6ea0000 r6:c4694000 r5:c601d180 <0>[ 79.665998] r4:c601d180 <0>[ 79.668801] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.676204] r9:c4694000 r8:c03002e4 r7:00000004 r6:b6fe7e00 r5:0000000a r4:0000000a <0>[ 79.684219] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.692053] Exception stack(0xc4695fa8 to 0xc4695ff0) <0>[ 79.697372] 5fa0: 0000000a 0000000a 00000001 b6ea0000 0000000a 00000000 <0>[ 79.705816] 5fc0: 0000000a 0000000a b6fe7e00 00000004 00000001 00000000 00020000 bec52ac4 <0>[ 79.714258] 5fe0: 00000004 bec527f8 b6f51d8f b6ed87e6 <0>[ 79.719580] Code: bad PC value (sys_write) from [] (re<4>[ 79.722970] ---[ end trace 42e62c1453b9a1ca ]--- t_fast_syscall+0x0/0x28) # [ 78.819244] Exception stack(0xc619ffa8 to 0xc619fff0) # [ 78.824563] ffa0: 0000000f 0000000f 00000001 b6e44000 0000000f 00000000 # [ 78.833008] ffc0: 0000000f 0000000f b6f8be00 00000004 00000001 00000000 00020000 bee58ac4 # [ 78.841450] ffe0: 00000004 bee587f8 b6ef5d8f b6e7c7e6 # [ 78.846773] Code: bad PC value # [ 78.850098] ---[ end trace 42e62c1453b9a1c9 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 79.288614] lkdtm: Performing direct entry EXEC_NULL # [ 79.295905] lkdtm: attempting ok execution at c0c587dc # [ 79.304257] lkdtm: attempting bad execution at 00000000 # [ 79.312638] 8<--- cut here --- # [ 79.318787] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.330032] pgd = 8ab286e3 # [ 79.335916] [00000000] *pgd=00000000 # [ 79.342614] Internal error: Oops: 80000005 [#9] SMP ARM # [ 79.350923] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.380191] CPU: 0 PID: 2183 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 79.388199] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.394997] PC is at 0x0 # [ 79.397806] LR is at execute_location+0xa4/0xb4 # [ 79.402605] pc : [<00000000>] lr : [] psr: 600e0013 # [ 79.409137] sp : c4695e38 ip : c4695d40 fp : c4695e54 # [ 79.414627] r10: 0000000a r9 : c1ad59c0 r8 : c15ebd0c # [ 79.420117] r7 : c4695f60 r6 : 00000000 r5 : 00000000 r4 : c0c587dc # [ 79.426909] r3 : affebb82 r2 : affebb82 r1 : ef7815e0 r0 : 0000002b # [ 79.433704] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.441104] Control: 10c5387d Table: 165c404a DAC: 00000051 # [ 79.447118] Process cat (pid: 2183, stack limit = 0xc4850fdc) # [ 79.453130] Stack: (0xc4695e38 to 0xc4696000) # [ 79.457755] 5e20: 00000025 c6565000 # [ 79.466200] 5e40: 0000000a c4695f60 c4695e64 c4695e58 c13c857c c13c82d8 c4695e74 c4695e68 # [ 79.474647] 5e60: c0c57a6c c13c8568 c4695e9c c4695e78 c0c57f6c c0c57a4c c0c57e4c c601d180 # [ 79.483092] 5e80: b6ea0000 0000000a c30236c0 c4695f60 c4695ec4 c4695ea0 c07e1bc0 c0c57e58 # [ 79.491538] 5ea0: 00000000 c601d180 b6ea0000 c2815800 c4695f60 c07e1b5c c4695f5c c4695ec8 # [ 79.499984] 5ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c4694000 # [ 79.508429] 5ee0: b6ea0000 00020000 00000004 0000000a 0001fff6 c4695ee0 00000001 b6e9f000 # [ 79.516875] 5f00: c468a780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.525322] 5f20: 00000000 00000000 c13dd8b8 affebb82 c206c120 c601d180 c601d180 c4694000 # [ 79.533768] 5f40: b6ea0000 00000000 00000000 00000004 c4695f94 c4695f60 c059c058 c059b9ac # [ 79.542215] 5f60: 00000000 00000000 c4695fac affebb82 0000000a 0000000a b6fe7e00 00000004 # [ 79.550659] 5f80: c03002e4 c4694000 c4695fa4 c4695f98 c059c0e8 c059bff0 00000000 c4695fa8 # [ 79.559105] 5fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6ea0000 0000000a 00000000 # [ 79.567550] 5fc0: 0000000a 0000000a b6fe7e00 00000004 00000001 00000000 00020000 bec52ac4 # [ 79.575995] 5fe0: 00000004 bec527f8 b6f51d8f b6ed87e6 800e0030 00000001 00000000 00000000 # [ 79.584434] Backtrace: # [ 79.587160] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 79.595607] r7:c4695f60 r6:0000000a r5:c6565000 r4:00000025 # [ 79.601541] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.609902] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.618182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.626367] r9:c4695f60 r8:c30236c0 r7:0000000a r6:b6ea0000 r5:c601d180 r4:c0c57e4c # [ 79.634387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.642487] r9:c07e1b5c r8:c4695f60 r7:c2815800 r6:b6ea0000 r5<6>[ 80.199779] lkdtm: Performing direct entry ACCESS_USERSPACE :c601d180 r4:00000000 # [ 79.6<6>[ 80.205906] lkdtm: attempting bad read at b6f58000 50500] [] (vfs_write) f<1>[ 80.213822] 8<--- cut here --- rom [] (ks_[w r i 80.219903] Unhandled fault: page domain fault (0x01b) at 0xb6f58000 e+0x74/0xe [ # 8[0 . 2 27773] pgd = 198bfb09 9.657905] r10:00000<010>4[ r 90.233477] [b6f58000] *pgd=494e7831 :00000000 r8:00000000 r<70:>b[6 e 80.239492] Internal error: : 1b [#10] SMP ARM a0000 r6:c4694000 r5:c601d180 # <4>[ 80.246534] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 79.665998] r4:c<640>1[d 1 8 80.278501] CPU: 1 PID: 2260 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 79<.46>6[8 8 0 18]0 .[2<88755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 059bfe4>] (ksys_write) from [<[ 80.297378] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 59c0e8>] (sys_write<+40>x[1 8 / 00.305549] LR is at __irq_work_queue_local+0x40/0x74 x1c) # [ <749>.[6 7 6 28004.]313025] pc : [] lr : [] psr: 600e0013 r9:c469400<04 >r[8 : c 08300.0321461] sp : c619be38 ip : c619bd40 fp : c619be64 e4 r7:00000<040>4[ r 6 :8b06.f3e8769] r10: 00000011 r9 : c1ad59cc r8 : c15ebd0c 7e00 r5:0000<040>0[a r 480:.0306076] r7 : c619bf60 r6 : 00000051 r5 : c619a000 r4 : b6f58000 00000a # [ < 4 >7[9 . 6 88402.1344687] r3 : b5a1aecc r2 : b5a1aecc r1 : ef7965e0 r0 : 00000026 ] [] (s[_ w r i8t0.353385] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ) from [c[0 > ] 8(0r.e62862] Control: 10c5387d Table: 1644004a DAC: 00000051 t_fast_syscall+0/[0 x 2 880)370777] Process cat (pid: 2260, stack limit = 0xc3331af7) # [ 79.6<902>0[5 3 ] 8E0x.c378778] Stack: (0xc619be38 to 0xc619c000) ption stack(0x6[9 5 f a880 .385307] be20: 00000022 00000000 o 0xc4695ff0) # [< 0 > [7 9 . 680.395744] be40: 00000000 b5a1aecc c619be6c 00000026 c599f000 00000011 c619be74 c619be68 7372] 5fa0: < 0 >[ 80.406350] be60: c0c57a6c c0c5894c c619be9c c619be78 c0c57f6c c0c57a4c c0c57e4c c468a140 0000000a 000000<00a> [0 0 0 00.416957] be80: b6e12000 00000011 c30236c0 c619bf60 c619bec4 c619bea0 c07e1bc0 c0c57e58 0001 b6ea0000 000<000>0[0 a 080.427563] bea0: 00000000 c468a140 b6e12000 c2815800 c619bf60 c07e1b5c c619bf5c c619bec8 000000 # [ 79.705<801>6[] 5 80.438084] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c619a000 c0: 0000000a 000<000>0[0 a b860.448776] bee0: b6e12000 00020000 00000004 00000011 0001ffef c619bee0 00000001 b6e11000 e7e00 00000004 0000<00>0[0 1 080.459296] bf00: c6069540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000000 00020000 bec5<20a>c[4 80.469903] bf20: 00000000 00000000 c13dd8b8 b5a1aecc c206c120 c468a140 c468a140 c619a000 [ 79.714258] 5f:[ 0 0 080.480595] bf40: b6e12000 00000000 00000000 00000004 c619bf94 c619bf60 c059c058 c059b9ac 0004 bec527f8 b61[d 8 f 8b0.491201] bf60: 00000000 00000000 c619bfac b5a1aecc 00000011 00000011 b6f59e00 00000004 ed87e6 # [ 79.7<109>5[8 0 ] 80.501723] bf80: c03002e4 c619a000 c619bfa4 c619bf98 c059c0e8 c059bff0 00000000 c619bfa8 ode: bad PC value <#0 >[[ 70.512329] bfa0: c03000c0 c059c0dc 00000011 00000011 00000001 b6e12000 00000011 00000000 9.722970] ---[ e [t r a c8e0.522936] bfc0: 00000011 00000011 b6f59e00 00000004 00000001 00000000 00020000 bed41ac4 42e62c1453b9a1ca ]<-0->-[ # 80.533455] bfe0: 00000004 bed417f8 b6ec3d8f b6e4a7e6 800e0030 00000001 00000000 00000000 XEC_NULL: missin'[c a l l8 0.544054] Backtrace: race:': [FAIL] not ok 36 sf 80.548858] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) tests: lkdtm: EX_[N U L L8.0.560325] r6:00000011 r5:c599f000 r4:00000026 h # exit=1 # selftest [l k 80.567289] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) tm: ACCESS_USERSPACE.sh <0>[ 80.577902] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.588239] r9:c619bf60 r8:c30236c0 r7:00000011 r6:b6e12000 r5:c468a140 r4:c0c57e4c <0>[ 80.596263] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.604368] r9:c07e1b5c r8:c619bf60 r7:c2815800 r6:b6e12000 r5:c468a140 r4:00000000 <0>[ 80.612387] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.619796] r10:00000004 r9:00000000 r8:00000000 r7:b6e12000 r6:c619a000 r5:c468a140 <0>[ 80.627893] r4:c468a140 <0>[ 80.630703] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.638111] r9:c619a000 r8:c03002e4 r7:00000004 r6:b6f59e00 r5:00000011 r4:00000011 <0>[ 80.646133] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.653969] Exception stack(0xc619bfa8 to 0xc619bff0) <0>[ 80.659293] bfa0: 00000011 00000011 00000001 b6e12000 00000011 00000000 <0>[ 80.667744] bfc0: 00000011 00000011 b6f59e00 00000004 00000001 00000000 00020000 bed41ac4 <0>[ 80.676191] bfe0: 00000004 bed417f8 b6ec3d8f b6e4a7e6 <0>[ 80.681517] Code: e1a01004 e30608f0 e34c01ad eb1d929c (e5943000) <4>[ 80.687885] ---[ end trace 42e62c1453b9a1cb ]--- # Segmentation fault # [ 80.199779] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.205906] lkdtm: attempting bad read at b6f58000 # [ 80.213822] 8<--- cut here --- # [ 80.219903] Unhandled fault: page domain fault (0x01b) at 0xb6f58000 # [ 80.228773] pgd = 198bfb09 # [ 80.233477] [b6f58000] *pgd=494e7831 # [ 80.239492] Internal error: : 1b [#10] SMP ARM # [ 80.246534] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.278501] CPU: 1 PID: 2260 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 80.288755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.297378] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 80.305549] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.313025] pc : [] lr : [] psr: 600e0013 # [ 80.321461] sp : c619be38 ip : c619bd40 fp : c619be64 # [ 80.328769] r10: 00000011 r9 : c1ad59cc r8 : c15ebd0c # [ 80.336076] r7 : c619bf60 r6 : 00000051 r5 : c619a000 r4 : b6f58000 # [ 80.344687] r3 : b5a1aecc r2 : b5a1aecc r1 : ef7965e0 r0 : 00000026 # [ 80.353385] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.362862] Control: 10c5387d Table: 1644004a DAC: 00000051 # [ 80.370777] Process cat (pid: 2260, stack limit = 0xc3331af7) # [ 80.378778] Stack: (0xc619be38 to 0xc619c000) # [ 80.385307] be20: 00000022 00000000 # [ 80.395744] be40: 00000000 b5a1aecc c619be6c 00000026 c599f000 00000011 c619be74 c619be68 # [ 80.406350] be60: c0c57a6c c0c5894c c619be9c c619be78 c0c57f6c c0c57a4c c0c57e4c c468a140 # [ 80.416957] be80: b6e12000 00000011 c30236c0 c619bf60 c619bec4 c619bea0 c07e1bc0 c0c57e58 # [ 80.427563] bea0: 00000000 c468a140 b6e12000 c2815800 c619bf60 c07e1b5c c619bf5c c619bec8 # [ 80.438084] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c619a000 # [ 80.448776] bee0: b6e12000 00020000 00000004 00000011 0001ffef c619bee0 00000001 b6e11000 # [ 80.459296] bf00: c6069540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.469903] bf20: 00000000 00000000 c13dd8b8 b5a1aecc c206c120 c468a140 c468a140 c619a000 # [ 80.480595] bf40: b6e12000 00000000 00000000 00000004 c619bf94 c619bf60 c059c058 c059b9ac # [ 80.491201] bf60: 00000000 00000000 c619bfac b5a1aecc 00000011 00000011 b6f59e00 00000004 # [ 80.501723] bf80: c03002e4 c619a000 c619bfa4 c619bf98 c059c0e8 c059bff0 00000000 c619bfa8 # [ 80.512329] bfa0: c03000c0 c059c0dc 00000011 00000011 00000001 b6e12000 00000011 00000000 # [ 80.522936] bfc0: 00000011 00000011 b6f59e00 00000004 00000001 00000000 00020000 bed41ac4 # [ 80.533455] bfe0: 00000004 bed417f8 b6ec3d8f b6e4a7e6 800e0030 00000001 00000000 00000000 # [ 80.544054] Backtrace: # [ 80.548858] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.560325] r6:00000011 r5:c599f000 r4:00000026 # [ 80.567289] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.577902] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.588239] <6>[ 81.079144] lkdtm: Performing direct entry ACCESS_NULL r9:c619bf60 r8:c30236c0 r7:00000<6>[ 81.085315] lkdtm: attempting bad read at 00000000 011 r6:b6e12000 r5:c468a140 r4:c0<1>[ 81.093234] 8<--- cut here --- c57e4c # [ 80.596263]< 1[><[c 81.099357] Unable to handle kernel NULL pointer dereference at virtual address 00000000 7e1b5c>] (full_proxy_write) from <1>[ 81.110201] pgd = 2e1bfcbc [] (vfs_write+0x10c/0x5<1>[ 81.116007] [00000000] *pgd=00000000 3c) # [ 80.604368] r9:c07e1b5<0>[ 81.122738] Internal error: Oops: 5 [#11] SMP ARM c r8:c619bf60 r7:c2815800 r6:b6e1<4>[ 81.130503] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 2000 r5:c468a140 r4<:40>0[0 0 0 01.162467] CPU: 1 PID: 2336 Comm: cat Tainted: G D W 5.10.207-cip41 #1 00 # [ <840>.[6 1 2 38817.]1 72634] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] (vfs_write) from< 4[>[ 81.181256] PC is at lkdtm_ACCESS_NULL+0x28/0x68 c059c058>] (ksys_wri+[0 x 7 81.188729] LR is at __irq_work_queue_local+0x40/0x74 /0xec) # <4[> [ 8 08.16.11997291] pc : [] lr : [] psr: 600e0013 96] r10<:40>0[0 0 0 08014. 2r094551] sp : c607be50 ip : c607bd58 fp : c607be64 00000000< 4r>8[: 0 0 08010.020101772] r10: 0000000c r9 : c1ad59e0 r8 : c15ebd0c r7:b6e1200<04> [r 6 : c8611.92a10992] r7 : c607bf60 r6 : 0000000c r5 : c5b81000 r4 : 00000000 00 r5:c4684[0 #8 1[. 2 27514] r3 : 147c0a22 r2 : 147c0a22 r1 : ef7965e0 r0 : 00000026 80.627893] r<44:>c[4 6 8 a8114.036124] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.<643>0[7 0 3 ]8 1[.<2c5427] Control: 10c5387d Table: 1470804a DAC: 00000051 059bfe4>] (ks[_ w r i81t.e2)3254] Process cat (pid: 2336, stack limit = 0xf6cbaf7b) from [9[c 0 e 88>1]. 2(6s080] Stack: (0xc607be50 to 0xc607c000) ys_write+0x18/0x<10c>)[ # 8[1.267436] be40: 00000027 c5b81000 c607be74 c607be68 80.638111] < 0r>[9 : c 68119.a277954] be60: c0c57a6c c13c858c c607be9c c607be78 c0c57f6c c0c57a4c c0c57e4c c4757040 00 r8:c03002e4 r<70:>0[0 0 0 0801.288301] be80: b6e44000 0000000c c30236c0 c607bf60 c607bec4 c607bea0 c07e1bc0 c0c57e58 4 r6:b6f59e00 r5:0<000>0[0 0 1 181.298820] bea0: 00000000 c4757040 b6e44000 c2815800 c607bf60 c07e1b5c c607bf5c c607bec8 r4:00000011 <#0 >[[ 8801..609422] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c607a000 46133] [>[] ( s8y1s319768] bee0: b6e44000 00020000 00000004 0000000c 0001fff4 c607bee0 00000001 b6e43000 _write) from <[0<>c[0 3 0 0801c.030198] bf00: c5a308c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >] (ret_fast_sysl[l + 0 x801.340545] bf20: 00000000 00000000 c13dd8b8 147c0a22 c206c120 c4757040 c4757040 c607a000 0x28) # [ 80<.06>5[3 9 6 98]1 351063] bf40: b6e44000 00000000 00000000 00000004 c607bf94 c607bf60 c059c058 c059b9ac Exception stack<(00>x[c 6 1 98b1f361496] bf60: 00000000 00000000 c607bfac 147c0a22 0000000c 0000000c b6f8be00 00000004 a8 to 0xc619bf)[ # 8[1 .371927] bf80: c03002e4 c607a000 c607bfa4 c607bf98 c059c0e8 c059bff0 00000000 c607bfa8 80.659293] bfa<00:> [ 8 1 382359] bfa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e44000 0000000c 00000000 000<000>0[1 1 08010392792] bfc0: 0000000c 0000000c b6f8be00 00000004 00000001 00000000 00020000 bed30ac4 00011 00000001 e[1 2 0 0801 403223] bfe0: 00000004 bed307f8 b6ef5d8f b6e7c7e6 800e0030 00000001 00000000 00000000 00000011 000<000>0[0 0 8#1 .[413649] Backtrace: 80.667744] bfc0: 00000011 00<00>[ 81.418280] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) 0011 b6f59e00< 00>0[0 0 0 08014. 29483] r5:c5b81000 r4:00000027 00000001 00000000 <000>0[2 0 0 081.435230] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) bed41ac4 # [ 80.67619<10]> [b 81.445667] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) fe0: 00000004 bed<401>7[f 8 b86.456267] r9:c607bf60 r8:c30236c0 r7:0000000c r6:b6e44000 r5:c4757040 r4:c0c57e4c ec3d8f b6e4a7e6 # [ 80.<608>1[ 81.466359] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 17] Code: e1a010<004> [e 3 0 6801.476958] r9:c07e1b5c r8:c607bf60 r7:c2815800 r6:b6e44000 r5:c4757040 r4:00000000 f0 e34c01ad eb1d<902>9[c ( e851.487042] [] (vfs_write) from [] (ksys_write+0x74/0xec) 43000) # [ < 08>0[. 6 8 78818.496518] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c607a000 r5:c4757040 ] ---[ e [t r a c8e1 .4520e6598] r4:c4757040 2c1453b9a1cb ]---< 0 >#[ A C C8E.511132] [] (ksys_write) from [] (sys_write+0x18/0x1c) SS_USERSPACE: s[s i n g8 1'.520607] r9:c607a000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000000c r4:0000000c all trace:': [FAIL] n [o k 81.530610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 37 selftt[s : l8k1d.t5m4:0772] Exception stack(0xc607bfa8 to 0xc607bff0) ACCESS_USERSPE[. s h 8#1 .e47821] bfa0: 0000000c 0000000c 00000001 b6e44000 0000000c 00000000 xit=1 # selftes[: l k8d1t558168] bfc0: 0000000c 0000000c b6f8be00 00000004 00000001 00000000 00020000 bed30ac4 m: ACCESS<_0N>U[L L . s8h1 . 568596] bfe0: 00000004 bed307f8 b6ef5d8f b6e7c7e6 <0>[ 81.575559] Code: e30608f0 e34c01ad e1a01004 ebffd3c7 (e5945000) <4>[ 81.581982] ---[ end trace 42e62c1453b9a1cc ]--- # Segmentation fault # [ 81.079144] lkdtm: Performing direct entry ACCESS_NULL # [ 81.085315] lkdtm: attempting bad read at 00000000 # [ 81.093234] 8<--- cut here --- # [ 81.099357] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.110201] pgd = 2e1bfcbc # [ 81.116007] [00000000] *pgd=00000000 # [ 81.122738] Internal error: Oops: 5 [#11] SMP ARM # [ 81.130503] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.162467] CPU: 1 PID: 2336 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 81.172634] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.181256] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 81.188729] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.196291] pc : [] lr : [] psr: 600e0013 # [ 81.204551] sp : c607be50 ip : c607bd58 fp : c607be64 # [ 81.211772] r10: 0000000c r9 : c1ad59e0 r8 : c15ebd0c # [ 81.218992] r7 : c607bf60 r6 : 0000000c r5 : c5b81000 r4 : 00000000 # [ 81.227514] r3 : 147c0a22 r2 : 147c0a22 r1 : ef7965e0 r0 : 00000026 # [ 81.236124] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.245427] Control: 10c5387d Table: 1470804a DAC: 00000051 # [ 81.253254] Process cat (pid: 2336, stack limit = 0xf6cbaf7b) # [ 81.261080] Stack: (0xc607be50 to 0xc607c000) # [ 81.267436] be40: 00000027 c5b81000 c607be74 c607be68 # [ 81.277954] be60: c0c57a6c c13c858c c607be9c c607be78 c0c57f6c c0c57a4c c0c57e4c c4757040 # [ 81.288301] be80: b6e44000 0000000c c30236c0 c607bf60 c607bec4 c607bea0 c07e1bc0 c0c57e58 # [ 81.298820] bea0: 00000000 c4757040 b6e44000 c2815800 c607bf60 c07e1b5c c607bf5c c607bec8 # [ 81.309422] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c607a000 # [ 81.319768] bee0: b6e44000 00020000 00000004 0000000c 0001fff4 c607bee0 00000001 b6e43000 # [ 81.330198] bf00: c5a308c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.340545] bf20: 00000000 00000000 c13dd8b8 147c0a22 c206c120 c4757040 c4757040 c607a000 # [ 81.351063] bf40: b6e44000 00000000 00000000 00000004 c607bf94 c607bf60 c059c058 c059b9ac # [ 81.361496] bf60: 00000000 00000000 c607bfac 147c0a22 0000000c 0000000c b6f8be00 00000004 # [ 81.371927] bf80: c03002e4 c607a000 c607bfa4 c607bf98 c059c0e8 c059bff0 00000000 c607bfa8 # [ 81.382359] bfa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e44000 0000000c 00000000 # [ 81.392792] bfc0: 0000000c 0000000c b6f8be00 00000004 00000001 00000000 00020000 bed30ac4 # [ 81.403223] bfe0: 00000004 bed307f8 b6ef5d8f b6e7c7e6 800e0030 00000001 00000000 00000000 # [ 81.413649] Backtrace: # [ 81.418280] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.429483] r5:c5b81000 r4:00000027 # [ 81.435230] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.445667] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.456267] r9:c607bf60 r8:c30236c0 r7:0000000c r6:b6e44000 r5:c4757040 r4:c0c57e4c # [ 81.466359] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.476958] r9:c07e1b5c r8:c607bf60 r7:c2815800 r6:b6e44000 r5:c4757040 r4:00000000 # [ 81.487042] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.496518] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c607a000 r5:c4757040 # [ 81.506598] r4:c4757040 # [ 81.511132] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.520607] r9:c607a000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000000c r4:0000000c # [ 81.530610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.540772] Exception stack(0xc607bfa8 to 0xc607bff0) # [ 81.547821] bfa0: 0000000c 0000000c 00000001 b6e44000 0000000c 00000000 # [ 81.558168] bfc0: 0000000c 0000000c b6f8be00 00000004 00000001 00000000 00020000 bed30ac4 # [ 81.568596] bfe0: 00000004 bed307f8 b6ef5d8f b6e7c7e6 # [ 81.575559] Code: e30608f0 e34c01ad e1a01004 ebffd3c7 (e5945000) # [ 81.581982] ---[ end trace 42e62c1453b9a1cc ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh <6>[ 82.206366] lkdtm: Performing direct entry WRITE_RO <6>[ 82.211584] lkdtm: attempting bad rodata write at c15ebfa4 <1>[ 82.217351] 8<--- cut here --- <1>[ 82.220676] Unable to handle kernel paging request at virtual address c15ebfa4 <1>[ 82.228168] pgd = 3c596407 <1>[ 82.231145] [c15ebfa4] *pgd=1141941e(bad) <0>[ 82.235442] Internal error: Oops: 80d [#12] SMP ARM <4>[ 82.240591] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 82.269937] CPU: 0 PID: 2411 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 82.277968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.284797] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 82.289440] LR is at 0x0 <4>[ 82.292259] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 82.298809] sp : c66fde50 ip : 00000027 fp : c66fde64 <4>[ 82.304315] r10: 00000009 r9 : c1ad59ec r8 : c15ebd0c <4>[ 82.309822] r7 : c66fdf60 r6 : 00000009 r5 : c655d000 r4 : c15ebfa4 <4>[ 82.316633] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e4 r0 : c1ad67f0 <4>[ 82.323447] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 82.330865] Control: 10c5387d Table: 162c404a DAC: 00000051 <0>[ 82.336896] Process cat (pid: 2411, stack limit = 0x75131066) <0>[ 82.342927] Stack: (0xc66fde50 to 0xc66fe000) <0>[ 82.347575] de40: 00000028 c655d000 c66fde74 c66fde68 <0>[ 82.356046] de60: c0c57a6c c13c838c c66fde9c c66fde78 c0c57f6c c0c57a4c c0c57e4c c601d040 <0>[ 82.364513] de80: b6e65000 00000009 c30236c0 c66fdf60 c66fdec4 c66fdea0 c07e1bc0 c0c57e58 <0>[ 82.372980] dea0: 00000000 c601d040 b6e65000 c2815800 c66fdf60 c07e1b5c c66fdf5c c66fdec8 <0>[ 82.381450] dec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c66fc000 <0>[ 82.389916] dee0: b6e65000 00020000 00000004 00000009 0001fff7 c66fdee0 00000001 b6e64000 <0>[ 82.398383] df00: c474be00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 82.406853] df20: 00000000 00000000 c13dd8b8 8d17721b c206c120 c601d040 c601d040 c66fc000 <0>[ 82.415322] df40: b6e65000 00000000 00000000 00000004 c66fdf94 c66fdf60 c059c058 c059b9ac <0>[ 82.423790] df60: 00000000 00000000 c66fdfac 8d17721b 00000009 00000009 b6face00 00000004 <0>[ 82.432258] df80: c03002e4 c66fc000 c66fdfa4 c66fdf98 c059c0e8 c059bff0 00000000 c66fdfa8 <0>[ 82.440726] dfa0: c03000c0 c059c0dc 00000009 00000009 00000001 b6e65000 00000009 00000000 <0>[ 82.449195] dfc0: 00000009 00000009 b6face00 00000004 00000001 00000000 00020000 bea5fac4 <0>[ 82.457661] dfe0: 00000004 bea5f7f8 b6f16d8f b6e9d7e6 800e0030 00000001 00000000 00000000 <0>[ 82.466115] Backtrace: <0>[ 82.468879] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.477172] r5:c655d000 r4:00000028 <0>[ 82.481043] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.489351] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.497560] r9:c66fdf60 r8:c30236c0 r7:00000009 r6:b6e65000 r5:c601d040 r4:c0c57e4c <0>[ 82.505607] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.513728] r9:c07e1b5c r8:c66fdf60 r7:c2815800 r6:b6e65000 r5:c601d040 r4:00000000 <0>[ 82.521765] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.529192] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c66fc000 r5:c601d040 <0>[ 82.537301] r4:c601d040 <0>[ 82.540129] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.547554] r9:c66fc000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000009 r4:00000009 <0>[ 82.555595] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.563446] Exception stack(0xc66fdfa8 to 0xc66fdff0) <0>[ 82.568786] dfa0: 00000009 00000009 00000001 b6e65000 00000009 00000000 <0>[ 82.577254] dfc0: 00000009 00000009 b6face00 00000004 00000001 00000000 00020000 bea5fac4 <0>[ 82.585716] dfe0: 00000004 bea5f7f8 b6f16d8f b6e9d7e6 <0>[ 82.591058] Code: e34a3bcd e30607f0 e34c01ad e0233002 (e5843000) <4>[ 82.597445] ---[ end trace 42e62c1453b9a1cd ]--- # Segmentation fault # [ 82.206366] lkdtm: Performing direct entry WRITE_RO # [ 82.211584] lkdtm: attempting bad rodata write at c15ebfa4 # [ 82.217351] 8<--- cut here --- # [ 82.220676] Unable to handle kernel paging request at virtual address c15ebfa4 # [ 82.228168] pgd = 3c596407 # [ 82.231145] [c15ebfa4] *pgd=1141941e(bad) # [ 82.235442] Internal error: Oops: 80d [#12] SMP ARM # [ 82.240591] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.269937] CPU: 0 PID: 2411 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 82.277968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.284797] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 82.289440] LR is at 0x0 # [ 82.292259] pc : [] lr : [<00000000>] psr: 600e0013 # [ 82.298809] sp : c66fde50 ip : 00000027 fp : c66fde64 # [ 82.304315] r10: 00000009 r9 : c1ad59ec r8 : c15ebd0c # [ 82.309822] r7 : c66fdf60 r6 : 00000009 r5 : c655d000 r4 : c15ebfa4 # [ 82.316633] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e4 r0 : c1ad67f0 # [ 82.323447] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.330865] Control: 10c5387d Table: 162c404a DAC: 00000051 # [ 82.336896] Process cat (pid: 2411, stack limit = 0x75131066) # [ 82.342927] Stack: (0xc66fde50 to 0xc66fe000) # [ 82.347575] de40: 00000028 c655d000 c66fde74 c66fde68 # [ 82.356046] de60: c0c57a6c c13c838c c66fde9c c66fde78 c0c57f6c c0c57a4c c0c57e4c c601d040 # [ 82.364513] de80: b6e65000 00000009 c30236c0 c66fdf60 c66fdec4 c66fdea0 c07e1bc0 c0c57e58 # [ 82.372980] dea0: 00000000 c601d040 b6e65000 c2815800 c66fdf60 c07e1b5c c66fdf5c c66fdec8 # [ 82.381450] dec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c66fc000 # [ 82.389916] dee0: b6e65000 00020000 00000004 00000009 0001fff7 c66fdee0 00000001 b6e64000 # [ 82.398383] df00: c474be00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.406853] df20: 00000000 00000000 c13dd8b8 8d17721b c206c120 c601d040 c601d040 c66fc000 # [ 82.415322] df40: b6e65000 00000000 00000000 00000004 c66fdf94 c66fdf60 c059c058 c059b9ac # [ 82.423790] df60: 00000000 00000000 c66fdfac 8d17721b 00000009 00000009 b6face00 00000004 # [ 82.432258] df80: c03002e4 c66fc000 c66fdfa4 c66fdf98 c059c0e8 c059bff0 00000000 c66fdfa8 # [ 82.440726] dfa0: c03000c0 c059c0dc 00000009 00000009 00000001 b6e65000 00000009 00000000 # [ 82.449195] dfc0: 00000009 00000009 b6face00 00000004 00000001 00000000 00020000 bea5fac4 # [ 82.457661] dfe0: 00000004 bea5f7f8 b6f16d8f b6e9d7e6 800e0030 00000001 00000000 00000000 # [ 82.466115] Backtrace: # [ 82.468879] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.477172] r5:c655d000 r4:00000028 # [ 82.481043] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.489351] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.497560] r9:c66fdf60 r8:c30236c0 r7:00000009 r6:b6e65000 r5:c601d040 r4:c0c57e4c # [ 82.505607] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.513728] r9:c07e1b5c r8:c66fdf60 r7:c2815800 r6:b6e65000 r5:c601d040 r4:00000000 # [ 82.521765] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.529192] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c66fc000 r5:c601d040 # [ 82.537301] r4:c601d040 # [ 82.540129] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.547554] r9:c66fc000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000009 r4:00000009 # [ 82.5<6>[ 83.053502] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 55595] [] (sys_write) f<6>[ 83.061706] lkdtm: attempting bad ro_after_init write at c1b88c60 rom [] (ret_fast_syscal<1>[ 83.070916] 8<--- cut here --- <1>[ 83.077062] Unable to handle kernel paging request at virtual address c1b88c60 <1>[ 83.084572] pgd = e091663e <1>[ 83.087565] [c1b88c60] *pgd=11a1941e(bad) <0>[ 83.091894] Internal error: Oops: 80d [#13] SMP ARM <4>[ 83.097058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 83.126601] CPU: 0 PID: 2486 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 83.134630] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.141464] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 83.147070] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 83.152408] pc : [] lr : [] psr: 600e0013 <4>[ 83.158956] sp : c6709e50 ip : c6709d58 fp : c6709e64 <4>[ 83.164462] r10: 00000014 r9 : c1ad59f8 r8 : c15ebd0c <4>[ 83.169970] r7 : c6709f60 r6 : 00000014 r5 : c6683000 r4 : c1b88c60 <4>[ 83.176779] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad67f0 <4>[ 83.183593] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.191013] Control: 10c5387d Table: 1666c04a DAC: 00000051 <0>[ 83.197044] Process cat (pid: 2486, stack limit = 0x30a0e30c) <0>[ 83.203076] Stack: (0xc6709e50 to 0xc670a000) <0>[ 83.207724] 9e40: 00000029 c6683000 c6709e74 c6709e68 <0>[ 83.216196] 9e60: c0c57a6c c13c83dc c6709e9c c6709e78 c0c57f6c c0c57a4c c0c57e4c c623e500 <0>[ 83.224665] 9e80: b6e87000 00000014 c30236c0 c6709f60 c6709ec4 c6709ea0 c07e1bc0 c0c57e58 <0>[ 83.233134] 9ea0: 00000000 c623e500 b6e87000 c2815800 c6709f60 c07e1b5c c6709f5c c6709ec8 <0>[ 83.241602] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c6708000 <0>[ 83.250070] 9ee0: b6e87000 00020000 00000004 00000014 0001ffec c6709ee0 00000001 b6e86000 <0>[ 83.258537] 9f00: c623a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.267005] 9f20: 00000000 00000000 c13dd8b8 bc695c9c c206c120 c623e500 c623e500 c6708000 <0>[ 83.275475] 9f40: b6e87000 00000000 00000000 00000004 c6709f94 c6709f60 c059c058 c059b9ac <0>[ 83.283941] 9f60: 00000000 00000000 c6709fac bc695c9c 00000014 00000014 b6fcee00 00000004 <0>[ 83.292408] 9f80: c03002e4 c6708000 c6709fa4 c6709f98 c059c0e8 c059bff0 00000000 c6709fa8 <0>[ 83.300875] 9fa0: c03000c0 c059c0dc 00000014 00000014 00000001 b6e87000 00000014 00000000 <0>[ 83.309343] 9fc0: 00000014 00000014 b6fcee00 00000004 00000001 00000000 00020000 bec30ac4 <0>[ 83.317810] 9fe0: 00000004 bec307f8 b6f38d8f b6ebf7e6 800e0030 00000001 00000000 00000000 <0>[ 83.326264] Backtrace: <0>[ 83.329029] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.338274] r5:c6683000 r4:00000029 <0>[ 83.342146] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.350455] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.358663] r9:c6709f60 r8:c30236c0 r7:00000014 r6:b6e87000 r5:c623e500 r4:c0c57e4c <0>[ 83.366712] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.374836] r9:c07e1b5c r8:c6709f60 r7:c2815800 r6:b6e87000 r5:c623e500 r4:00000000 <0>[ 83.382875] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.390302] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c6708000 r5:c623e500 <0>[ 83.398411] r4:c623e500 <0>[ 83.401239] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.408666] r9:c6708000 r8:c03002e4 r7:00000004 r6:b6fcee00 r5:00000014 r4:00000014 <0>[ 83.416707] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.424559] Exception stack(0xc6709fa8 to 0xc6709ff0) <0>[ 83.429901] 9fa0: 00000014 00000014 00000001 b6e87000 00000014 00000000 <0>[ 83.438369] 9fc0: 00000014 00000014 b6fcee00 00000004 00000001 00000000 00020000 bec30ac4 <0>[ 83.446832] 9fe0: 00000004 bec307f8 b6f38d8f b6ebf7e6 <0>[ 83.452174] Code: e34a3bcd e30607f0 e34c01ad e0233002 (e5843000) <4>[ 83.458564] ---[ end trace 42e62c1453b9a1ce ]--- l+0x0/0x28) # [ 82.563446] Exception stack(0xc66fdfa8 to 0xc66fdff0) # [ 82.568786] dfa0: 00000009 00000009 00000001 b6e65000 00000009 00000000 # [ 82.577254] dfc0: 00000009 00000009 b6face00 00000004 00000001 00000000 00020000 bea5fac4 # [ 82.585716] dfe0: 00000004 bea5f7f8 b6f16d8f b6e9d7e6 # [ 82.591058] Code: e34a3bcd e30607f0 e34c01ad e0233002 (e5843000) # [ 82.597445] ---[ end trace 42e62c1453b9a1cd ]--- # 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 # [ 83.053502] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.061706] lkdtm: attempting bad ro_after_init write at c1b88c60 # [ 83.070916] 8<--- cut here --- # [ 83.077062] Unable to handle kernel paging request at virtual address c1b88c60 # [ 83.084572] pgd = e091663e # [ 83.087565] [c1b88c60] *pgd=11a1941e(bad) # [ 83.091894] Internal error: Oops: 80d [#13] SMP ARM # [ 83.097058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.126601] CPU: 0 PID: 2486 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 83.134630] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.141464] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 83.147070] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.152408] pc : [] lr : [] psr: 600e0013 # [ 83.158956] sp : c6709e50 ip : c6709d58 fp : c6709e64 # [ 83.164462] r10: 00000014 r9 : c1ad59f8 r8 : c15ebd0c # [ 83.169970] r7 : c6709f60 r6 : 00000014 r5 : c6683000 r4 : c1b88c60 # [ 83.176779] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad67f0 # [ 83.183593] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.191013] Control: 10c5387d Table: 1666c04a DAC: 00000051 # [ 83.197044] Process cat (pid: 2486, stack limit = 0x30a0e30c) # [ 83.203076] Stack: (0xc6709e50 to 0xc670a000) # [ 83.207724] 9e40: 00000029 c6683000 c6709e74 c6709e68 # [ 83.216196] 9e60: c0c57a6c c13c83dc c6709e9c c6709e78 c0c57f6c c0c57a4c c0c57e4c c623e500 # [ 83.224665] 9e80: b6e87000 00000014 c30236c0 c6709f60 c6709ec4 c6709ea0 c07e1bc0 c0c57e58 # [ 83.233134] 9ea0: 00000000 c623e500 b6e87000 c2815800 c6709f60 c07e1b5c c6709f5c c6709ec8 # [ 83.241602] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd8b8 c059c058 c6708000 # [ 83.250070] 9ee0: b6e87000 00020000 00000004 00000014 0001ffec c6709ee0 00000001 b6e86000 # [ 83.258537] 9f00: c623a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.267005] 9f20: 00000000 00000000 c13dd8b8 bc695c9c c206c120 c623e500 c623e500 c6708000 # [ 83.275475] 9f40: b6e87000 00000000 00000000 00000004 c6709f94 c6709f60 c059c058 c059b9ac # [ 83.283941] 9f60: 00000000 00000000 c6709fac bc695c9c 00000014 00000014 b6fcee00 00000004 # [ 83.292408] 9f80: c03002e4 c6708000 c6709fa4 c6709f98 c059c0e8 c059bff0 00000000 c6709fa8 # [ 83.300875] 9fa0: c03000c0 c059c0dc 00000014 00000014 00000001 b6e87000 00000014 00000000 # [ 83.309343] 9fc0: 00000014 00000014 b6fcee00 00000004 00000001 00000000 00020000 bec30ac4 # [ 83.317810] 9fe0: 00000004 bec307f8 b6f38d8f b6ebf7e6 800e0030 00000001 00000000 00000000 # [ 83.326264] Backtrace: # [ 83.329029] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.338274] r5:c6683000 r4:00000029 # [ 83.342146] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.350455] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.358663] r9:c6709f60 r8:c30236c0 r7:00000014 r6:b6e87000 r5:c623e500 r4:c0c57e4c # [ 83.366712] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.374836] r9:c07e1b5c r8:c6709f60 r7:c2815800 r6:b6e87000 r5:c623e500 r4:00000000 # [ 83.382875] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.390302] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c6708000 r5:c623e500 # [ 83.398411] r4:c623e500 # [ 83.401239] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.408666] r9:c6708000 r8:c03002e4 r7:00000004 r6:b6fcee00 r5:00000014 r4:00000014 # [ 83.416707] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.424559] Exception st<6>[ 83.919317] lkdtm: Performing direct entry WRITE_KERN ack(0xc6709fa8 to 0xc6709ff0) # <6>[ 83.926348] lkdtm: attempting bad 7797452 byte write at c13c82a8 [ 83.429901] 9fa0: <1>[ 83.935491] 8<--- cut here --- 000000<114> [0 0 0 08030.1941602] Unable to handle kernel paging request at virtual address c13c82a8 00000001 b<61e>8[7 0 0 083 .09050994] pgd = 1e4bcfcf 00014 00000000 # [ 83.4<318>[3 83.955782] [c13c82a8] *pgd=1121940e(bad) 69] 9fc0: 000000<104> [0 0 0 0803.962485] Internal error: Oops: 80d [#14] SMP ARM 14 b6fcee00 00000004 00000001 000<4>[ 83.969704] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 00000 00020000 bec3<04a>c[4 #4.001667] CPU: 1 PID: 2561 Comm: cat Tainted: G D W 5.10.207-cip41 #1 [ 83.44<64>8[3 2 ] 894f.e001:834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000004 bec307f8 b6f3<84d>8[f 84.020364] PC is at memcpy+0x50/0x330 b6ebf7e6 # [ < 4 >8[3 . 4 58241.026710] LR is at 0xe92dd830 4] Code: e<344>a[3 b c d8 4e.30032104] pc : [] lr : [] psr: 200e0013 07f0 e34c01d[ e 0 28343.00040453] sp : c62e3e2c ip : e1a0c00d fp : c62e3e64 (e58430<040>)[ #8 4[. 0 4 7757] r10: 0000000b r9 : c1ad5a0c r8 : e89da800 3.458564<]4 >-[- - [ 8e4n.d0 5t4978] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 ace 42e62c1<44>5[3 b 9 a814c.e0 63501] r3 : e1a0c00d r2 : 0076fa2c r1 : c0c587fc r0 : c13c82a8 --- # WRITE__[A F T E8R4_.072111] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none NIT: missin'[c a l l8 4t.r0a1415] Control: 10c5387d Table: 1646004a DAC: 00000051 ce:': [FAIL] t[ o k 8440.089242] Process cat (pid: 2561, stack limit = 0xa820c08b) selftests<:0 >l[k d t m8:4. 0W9R7240] Stack: (0xc62e3e2c to 0xc62e4000) TE_RO_AFTER_INIT.s#[ e x i84.103598] 3e20: c0c587dc 0076facc c62e3f60 c15ebd0c c13c82a8 =1 # selftests<:0 >l[k d t m8:4 114201] 3e40: c13c82a8 c13c848c 0000002a c599f000 0000000b c62e3f60 c62e3e74 c62e3e68 WRITE_KERN.sh < 0>[ 84.124633] 3e60: c0c57a6c c13c844c c62e3e9c c62e3e78 c0c57f6c c0c57a4c c0c57e4c c5c1c140 <0>[ 84.134369] 3e80: b6e00000 0000000b c30236c0 c62e3f60 c62e3ec4 c62e3ea0 c07e1bc0 c0c57e58 <0>[ 84.142815] 3ea0: 00000000 c5c1c140 b6e00000 c2815800 c62e3f60 c07e1b5c c62e3f5c c62e3ec8 <0>[ 84.151260] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c5922f24 c059c058 c62e2000 <0>[ 84.159706] 3ee0: b6e00000 00020000 00000004 0000000b 0001fff5 c62e3ee0 00000001 00000805 <0>[ 84.168150] 3f00: c4756b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 84.176596] 3f20: 00000000 00000000 c62e2000 50b23f67 b6dff000 c5c1c140 c5c1c140 c62e2000 <0>[ 84.185040] 3f40: b6e00000 00000000 00000000 00000004 c62e3f94 c62e3f60 c059c058 c059b9ac <0>[ 84.193484] 3f60: 00000000 00000000 c62e3fac 50b23f67 0000000b 0000000b b6f47e00 00000004 <0>[ 84.201929] 3f80: c03002e4 c62e2000 c62e3fa4 c62e3f98 c059c0e8 c059bff0 00000000 c62e3fa8 <0>[ 84.210373] 3fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 <0>[ 84.218819] 3fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be912ac4 <0>[ 84.227264] 3fe0: 00000004 be9127f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 <0>[ 84.235703] Backtrace: <0>[ 84.238436] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.246884] r7:c62e3f60 r6:0000000b r5:c599f000 r4:0000002a <0>[ 84.252813] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.261093] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.269277] r9:c62e3f60 r8:c30236c0 r7:0000000b r6:b6e00000 r5:c5c1c140 r4:c0c57e4c <0>[ 84.277296] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.285396] r9:c07e1b5c r8:c62e3f60 r7:c2815800 r6:b6e00000 r5:c5c1c140 r4:00000000 <0>[ 84.293407] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.300811] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c62e2000 r5:c5c1c140 <0>[ 84.308904] r4:c5c1c140 <0>[ 84.311710] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.319114] r9:c62e2000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000b r4:0000000b <0>[ 84.327129] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.334964] Exception stack(0xc62e3fa8 to 0xc62e3ff0) <0>[ 84.340283] 3fa0: 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 <0>[ 84.348729] 3fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be912ac4 <0>[ 84.357172] 3fe0: 00000004 be9127f8 b6eb1d8f b6e387e6 <0>[ 84.362492] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 84.368855] ---[ end trace 42e62c1453b9a1cf ]--- # Segmentation fault # [ 83.919317] lkdtm: Performing direct entry WRITE_KERN # [ 83.926348] lkdtm: attempting bad 7797452 byte write at c13c82a8 # [ 83.935491] 8<--- cut here --- # [ 83.941602] Unable to handle kernel paging request at virtual address c13c82a8 # [ 83.950994] pgd = 1e4bcfcf # [ 83.955782] [c13c82a8] *pgd=1121940e(bad) # [ 83.962485] Internal error: Oops: 80d [#14] SMP ARM # [ 83.969704] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.001667] CPU: 1 PID: 2561 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 84.011834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.020364] PC is at memcpy+0x50/0x330 # [ 84.026710] LR is at 0xe92dd830 # [ 84.032104] pc : [] lr : [] psr: 200e0013 # [ 84.040453] sp : c62e3e2c ip : e1a0c00d fp : c62e3e64 # [ 84.047757] r10: 0000000b r9 : c1ad5a0c r8 : e89da800 # [ 84.054978] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 84.063501] r3 : e1a0c00d r2 : 0076fa2c r1 : c0c587fc r0 : c13c82a8 # [ 84.072111] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.081415] Control: 10c5387d Table: 1646004a DAC: 00000051 # [ 84.089242] Process cat (pid: 2561, stack limit = 0xa820c08b) # [ 84.097240] Stack: (0xc62e3e2c to 0xc62e4000) # [ 84.103598] 3e20: c0c587dc 0076facc c62e3f60 c15ebd0c c13c82a8 # [ 84.114201] 3e40: c13c82a8 c13c848c 0000002a c599f000 0000000b c62e3f60 c62e3e74 c62e3e68 # [ 84.124633] 3e60: c0c57a6c c13c844c c62e3e9c c62e3e78 c0c57f6c c0c57a4c c0c57e4c c5c1c140 # [ 84.134369] 3e80: b6e00000 0000000b c30236c0 c62e3f60 c62e3ec4 c62e3ea0 c07e1bc0 c0c57e58 # [ 84.142815] 3ea0: 00000000 c5c1c140 b6e00000 c2815800 c62e3f60 c07e1b5c c62e3f5c c62e3ec8 # [ 84.151260] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c5922f24 c059c058 c62e2000 # [ 84.159706] 3ee0: b6e00000 00020000 00000004 0000000b 0001fff5 c62e3ee0 00000001 00000805 # [ 84.168150] 3f00: c4756b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.176596] 3f20: 00000000 00000000 c62e2000 50b23f67 b6dff000 c5c1c140 c5c1c140 c62e2000 # [ 84.185040] 3f40: b6e00000 00000000 00000000 00000004 c62e3f94 c62e3f60 c059c058 c059b9ac # [ 84.193484] 3f60: 00000000 00000000 c62e3fac 50b23f67 0000000b 0000000b b6f47e00 00000004 # [ 84.201929] 3f80: c03002e4 c62e2000 c62e3fa4 c62e3f98 c059c0e8 c059bff0 00000000 c62e3fa8 # [ 84.210373] 3fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 # [ 84.218819] 3fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be912ac4 # [ 84.227264] 3fe0: 00000004 be9127f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 # [ 84.235703] Backtrace: # [ 84.238436] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.246884] r7:c62e3f60 r6:0000000b r5:c599f000 r4:0000002a # [ 84.252813] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.261093] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.269277] r9:c62e3f60 r8:c30236c0 r7:0000000b r6:b6e00000 r5:c5c1c140 r4:c0c57e4c # [ 84.277296] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.285396] r9:c07e1b5c r8:c62e3f60 r7:c2815800 r6:b6e00000 r5:c5c1c140 r4:00000000 # [ 84.293407] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.300811] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c62e2000 r5:c5c1c140 # [ 84.308904] r4:c5c1c140 # [ 84.311710] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.319114] r9:c62e2000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000b r4:0000000b # [ 84.327129] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.334964] Exception stack(0xc62e3fa8 to 0xc62e3ff0) # [ 84.340283] 3fa0: 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 # [ 84.348729] 3fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be912ac4 # [ 84.357172] 3fe0: 00000004 be9127f8 b6eb1d8f b6e387e6 # [ 84.362492] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 84.368855] ---[ end trace 42e62c1453b9a1cf ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 84.965379] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 84.971740] lkdtm: attempting good refcount_inc() without overflow <6>[ 84.978196] lkdtm: attempting bad refcount_inc() overflow <4>[ 84.983970] ------------[ cut here ]------------ <4>[ 84.988903] WARNING: CPU: 0 PID: 2637 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 84.997649] refcount_t: saturated; leaking memory. <4>[ 85.002743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.032233] CPU: 0 PID: 2637 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 85.040244] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.047039] Backtrace: <4>[ 85.049767] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.057607] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 85.063540] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.071126] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.078356] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 <4>[ 85.086371] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.094120] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c6268000 <4>[ 85.100051] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 85.109278] r9:c1ad5a18 r8:c15ebd0c r7:c6269f60 r6:00000016 r5:c6686000 r4:c6268000 <4>[ 85.117298] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 85.127226] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 85.137585] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.146981] r4:0000002b <4>[ 85.149783] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.158061] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.166245] r9:c6269f60 r8:c30236c0 r7:00000016 r6:b6dce000 r5:c623b400 r4:c0c57e4c <4>[ 85.174265] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.182365] r9:c07e1b5c r8:c6269f60 r7:c2815800 r6:b6dce000 r5:c623b400 r4:00000000 <4>[ 85.190378] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.197782] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6268000 r5:c623b400 <4>[ 85.205875] r4:c623b400 <4>[ 85.208679] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.216082] r9:c6268000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000016 r4:00000016 <4>[ 85.224097] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.231932] Exception stack(0xc6269fa8 to 0xc6269ff0) <4>[ 85.237254] 9fa0: 00000016 00000016 00000001 b6dce000 00000016 00000000 <4>[ 85.245699] 9fc0: 00000016 00000016 b6f15e00 00000004 00000001 00000000 00020000 be9efac4 <4>[ 85.254143] 9fe0: 00000004 be9ef7f8 b6e7fd8f b6e067e6 <4>[ 85.259494] irq event stamp: 0 <4>[ 85.262849] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.268698] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.276499] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.284294] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.290141] ---[ end trace 42e62c1453b9a1d0 ]--- <6>[ 85.295055] lkdtm: Overflow detected: saturated # [ 84.965379] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 84.971740] lkdtm: attempting good refcount_inc() without overflow # [ 84.978196] lkdtm: attempting bad refcount_inc() overflow # [ 84.983970] ------------[ cut here ]------------ # [ 84.988903] WARNING: CPU: 0 PID: 2637 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 84.997649] refcount_t: saturated; leaking memory. # [ 85.002743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.032233] CPU: 0 PID: 2637 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 85.040244] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.047039] Backtrace: # [ 85.049767] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.057607] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 85.063540] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.071126] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.078356] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 # [ 85.086371] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.094120] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c6268000 # [ 85.100051] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.109278] r9:c1ad5a18 r8:c15ebd0c r7:c6269f60 r6:00000016 r5:c6686000 r4:c6268000 # [ 85.117298] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.127226] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 85.137585] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.146981] r4:0000002b # [ 85.149783] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.158061] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.166245] r9:c6269f60 r8:c30236c0 r7:00000016 r6:b6dce000 r5:c623b400 r4:c0c57e4c # [ 85.174265] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.182365] r9:c07e1b5c r8:c6269f60 r7:c2815800 r6:b6dce000 r5:c623b400 r4:00000000 # [ 85.190378] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.197782] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6268000 r5:c623b400 # [ 85.205875] r4:c623b400 # [ 85.208679] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.216082] r9:c6268000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000016 r4:00000016 # [ 85.224097] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.231932] Exception stack(0xc6269fa8 to 0xc6269ff0) # [ 85.237254] 9fa0: 00000016 00000016 00000001 b6dce000 00000016 00000000 # [ 85.245699] 9fc0: 00000016 00000016 b6f15e00 00000004 00000001 00000000 00020000 be9efac4 # [ 85.254143] 9fe0: 00000004 be9ef7f8 b6e7fd8f b6e067e6 # [ 85.259494] irq event stamp: 0 # [ 85.262849] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.268698] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac<6>[ 85.693709] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 85.276499] softirqs last <6>[ 85.700483] lkdtm: attempting good refcount_add() without overflow enabled at (0): [] cop<6>[ 85.709966] lkdtm: attempting bad refcount_add() overflow y_process+0x5f8/0x1dac # [ 85.<4>[ 85.718480] ------------[ cut here ]------------ 284294] softirqs last disabled at<4>[ 85.726330] WARNING: CPU: 0 PID: 2672 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 (0): [<00000000>] 0x0 # [ 85.<4>[ 85.737859] refcount_t: saturated; leaking memory. 290141] ---[ end trace 42e62c1453<4>[ 85.745884] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 b9a1d0 ]--- # [ 85.295055] lkd<4>[ 85.777802] CPU: 0 PID: 2672 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 85.788625] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.795417] Backtrace: <4>[ 85.798147] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.805987] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 85.811918] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.819504] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.826736] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 <4>[ 85.834750] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.842498] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c6244000 <4>[ 85.848428] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 85.857656] r9:c1ad5a30 r8:c15ebd0c r7:c6245f60 r6:00000016 r5:c633f000 r4:c6244000 <4>[ 85.865675] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 85.875602] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 85.885960] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.895357] r4:0000002c <4>[ 85.898159] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.906438] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.914622] r9:c6245f60 r8:c30236c0 r7:00000016 r6:b6e6c000 r5:c601c640 r4:c0c57e4c <4>[ 85.922641] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.930740] r9:c07e1b5c r8:c6245f60 r7:c2815800 r6:b6e6c000 r5:c601c640 r4:00000000 <4>[ 85.938753] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.946156] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c6244000 r5:c601c640 <4>[ 85.954251] r4:c601c640 <4>[ 85.957055] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.964459] r9:c6244000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000016 r4:00000016 <4>[ 85.972473] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.980307] Exception stack(0xc6245fa8 to 0xc6245ff0) <4>[ 85.985628] 5fa0: 00000016 00000016 00000001 b6e6c000 00000016 00000000 <4>[ 85.994074] 5fc0: 00000016 00000016 b6fb3e00 00000004 00000001 00000000 00020000 befdfac4 <4>[ 86.002518] 5fe0: 00000004 befdf7f8 b6f1dd8f b6ea47e6 tm: Overflow detected: saturated <4>[ 86.007900] irq event stamp: 0 # REFCOUNT_INC_OVERFLOW: missing<4>[ 86.014109] hardirqs last enabled at (0): [<00000000>] 0x0 'call trace:': [FAIL] not ok 42<4>[ 86.022836] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac selftests: lkdtm: REFCOUNT_INC_O<4>[ 86.033479] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac VERFLOW.sh # exit=1 # selftests:<4>[ 86.044098] softirqs last disabled at (0): [<00000000>] 0x0 lkdtm: REFCOUNT_ADD_OVERFLOW.sh <4>[ 86.052806] ---[ end trace 42e62c1453b9a1d1 ]--- <6>[ 86.060520] lkdtm: Overflow detected: saturated # [ 85.693709] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 85.700483] lkdtm: attempting good refcount_add() without overflow # [ 85.709966] lkdtm: attempting bad refcount_add() overflow # [ 85.718480] ------------[ cut here ]------------ # [ 85.726330] WARNING: CPU: 0 PID: 2672 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.737859] refcount_t: saturated; leaking memory. # [ 85.745884] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.777802] CPU: 0 PID: 2672 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 85.788625] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.795417] Backtrace: # [ 85.798147] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.805987] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 85.811918] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.819504] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.826736] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 # [ 85.834750] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.842498] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c6244000 # [ 85.848428] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.857656] r9:c1ad5a30 r8:c15ebd0c r7:c6245f60 r6:00000016 r5:c633f000 r4:c6244000 # [ 85.865675] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.875602] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 85.885960] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.895357] r4:0000002c # [ 85.898159] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.906438] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.914622] r9:c6245f60 r8:c30236c0 r7:00000016 r6:b6e6c000 r5:c601c640 r4:c0c57e4c # [ 85.922641] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.930740] r9:c07e1b5c r8:c6245f60 r7:c2815800 r6:b6e6c000 r5:c601c640 r4:00000000 # [ 85.938753] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.946156] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c6244000 r5:c601c640 # [ 85.954251] r4:c601c640 # [ 85.957055] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.964459] r9:c6244000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000016 r4:00000016 # [ 85.972473] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.980307] Exception stack(0xc6245fa8 to 0xc6245ff0) # [ 85.985628] 5fa0: 00000016 00000016 00000001 b6e6c000 00000016 00000000 # [ 85.994074] 5fc0: 00000016 00000016 b6fb3e00 00000004 00000001 00000000 00020000 befdfac4 # [ 86.002518] 5fe0: 00000004 befdf7f8 b6f1dd8f b6ea47e6 # [ 86.007900] irq event stamp: 0 # [ 86.014109] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.022836] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.033479] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.044098] softirqs last disabled at (0): <6>[ 86.469505] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [<00000000>] 0x0 # [ 86.052806<6>[ 86.478095] lkdtm: attempting bad refcount_inc_not_zero() overflow ] ---[ end trace 42e62c1453b9a1d1<4>[ 86.487361] ------------[ cut here ]------------ ]--- # [ 86.060520] lkdtm: Ov<4>[ 86.495128] WARNING: CPU: 1 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 erflow detected: saturated # REF<4>[ 86.506659] refcount_t: saturated; leaking memory. COUNT_ADD_OVERFLOW: missing 'call<4>[ 86.514575] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 trace:': [FAIL] not ok 43 selft<4>[ 86.546557] CPU: 1 PID: 2707 Comm: cat Tainted: G D W 5.10.207-cip41 #1 ests: lkdtm:< 4R>E[F C O U8N6T._557375] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) DD_OVERFLOW.sh # i[t = 1 8 .566070] Backtrace: # selftests: lkdtm: REFCOUNT_INC_<4>[ 86.570873] [] (dump_backtrace) from [] (show_stack+0x20/0x24) NOT_ZERO_OVERFW[. s h 8 6.581552] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 86.589385] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.596971] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.604201] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 <4>[ 86.612214] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.619964] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c657a000 <4>[ 86.625895] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 86.635124] r9:c1ad5a48 r8:c15ebd0c r7:c657bf60 r6:0000001f r5:c5ce9000 r4:7fffffff <4>[ 86.643143] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 86.653848] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 86.665761] r5:c5ce9000 r4:c657a000 <4>[ 86.669611] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.679788] r4:0000002d <4>[ 86.682591] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.690870] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.699056] r9:c657bf60 r8:c30236c0 r7:0000001f r6:b6df3000 r5:c6010f00 r4:c0c57e4c <4>[ 86.707075] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.715174] r9:c07e1b5c r8:c657bf60 r7:c2815800 r6:b6df3000 r5:c6010f00 r4:00000000 <4>[ 86.723187] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.730591] r10:00000004 r9:00000000 r8:00000000 r7:b6df3000 r6:c657a000 r5:c6010f00 <4>[ 86.738684] r4:c6010f00 <4>[ 86.741487] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.748891] r9:c657a000 r8:c03002e4 r7:00000004 r6:b6f3ae00 r5:0000001f r4:0000001f <4>[ 86.756906] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.764740] Exception stack(0xc657bfa8 to 0xc657bff0) <4>[ 86.770061] bfa0: 0000001f 0000001f 00000001 b6df3000 0000001f 00000000 <4>[ 86.778507] bfc0: 0000001f 0000001f b6f3ae00 00000004 00000001 00000000 00020000 bed8eac4 <4>[ 86.786950] bfe0: 00000004 bed8e7f8 b6ea4d8f b6e2b7e6 <4>[ 86.792320] irq event stamp: 0 <4>[ 86.795653] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.801525] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.809298] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.817104] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.823004] ---[ end trace 42e62c1453b9a1d2 ]--- <6>[ 86.827922] lkdtm: Overflow detected: saturated # [ 86.469505] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 86.478095] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 86.487361] ------------[ cut here ]------------ # [ 86.495128] WARNING: CPU: 1 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 86.506659] refcount_t: saturated; leaking memory. # [ 86.514575] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.546557] CPU: 1 PID: 2707 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 86.557375] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.566070] Backtrace: # [ 86.570873] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.581552] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.589385] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.596971] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.604201] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 # [ 86.612214] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.619964] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c657a000 # [ 86.625895] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 86.635124] r9:c1ad5a48 r8:c15ebd0c r7:c657bf60 r6:0000001f r5:c5ce9000 r4:7fffffff # [ 86.643143] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 86.653848] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 86.665761] r5:c5ce9000 r4:c657a000 # [ 86.669611] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.679788] r4:0000002d # [ 86.682591] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.690870] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.699056] r9:c657bf60 r8:c30236c0 r7:0000001f r6:b6df3000 r5:c6010f00 r4:c0c57e4c # [ 86.707075] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.715174] r9:c07e1b5c r8:c657bf60 r7:c2815800 r6:b6df3000 r5:c6010f00 r4:00000000 # [ 86.723187] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.730591] r10:00000004 r9:00000000 r8:00000000 r7:b6df3000 r6:c657a000 r5:c6010f00 # [ 86.738684] r4:c6010f00 # [ 86.741487] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.748891] r9:c657a000 r8:c03002e4 r7:00000004 r6:b6f3ae00 r5:0000001f r4:0000001f # [ 86.756906] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.764740] Exception stack(0xc657bfa8 to 0xc657bff0) # [ 86.770061] bfa0: 0000001f 0000001f 00000001 b6df3000 0000001f 00000000 # [ 86.778507] bfc0: 0000001f 0000001f b6f3ae00 00000004 00000001 00000000 00020000 bed8eac4 # [ 86.786950] bfe0: 00000004 bed8e7f8 b6ea4d8f b6e2b7e6 # [ 86.792320] irq event stamp: 0 # [ 86.795653] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.801525] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.809298] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.817104] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.823004] ---[ end trace 42e62c1453b9a1d2 ]--- # [ 86.827922] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh <6>[ 87.279004] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 87.286168] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 87.292690] ------------[ cut here ]------------ <4>[ 87.297601] WARNING: CPU: 2 PID: 2742 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 87.306356] refcount_t: saturated; leaking memory. <4>[ 87.311456] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 87.340942] CPU: 2 PID: 2742 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 87.348955] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.355751] Backtrace: <4>[ 87.358487] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.366331] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 87.372269] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.379859] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.387092] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 <4>[ 87.395111] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.402865] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c6006000 <4>[ 87.408799] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 87.418031] r9:c1ad5a68 r8:c15ebd0c r7:c6007f60 r6:0000001f r5:c61c1000 r4:7fffffff <4>[ 87.426054] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 87.436765] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 87.448684] r5:c61c1000 r4:c6006000 <4>[ 87.452537] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.462718] r4:0000002e <4>[ 87.465525] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.473808] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.481997] r9:c6007f60 r8:c30236c0 r7:0000001f r6:b6e8d000 r5:c474af00 r4:c0c57e4c <4>[ 87.490021] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.498123] r9:c07e1b5c r8:c6007f60 r7:c2815800 r6:b6e8d000 r5:c474af00 r4:00000000 <4>[ 87.506139] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.513546] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6006000 r5:c474af00 <4>[ 87.521642] r4:c474af00 <4>[ 87.524450] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.531857] r9:c6006000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:0000001f r4:0000001f <4>[ 87.539876] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.547713] Exception stack(0xc6007fa8 to 0xc6007ff0) <4>[ 87.553037] 7fa0: 0000001f 0000001f 00000001 b6e8d000 0000001f 00000000 <4>[ 87.561488] 7fc0: 0000001f 0000001f b6fd4e00 00000004 00000001 00000000 00020000 beb4dac4 <4>[ 87.569933] 7fe0: 00000004 beb4d7f8 b6f3ed8f b6ec57e6 <4>[ 87.575338] irq event stamp: 0 <4>[ 87.578677] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.584570] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.592403] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.600180] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.606106] ---[ end trace 42e62c1453b9a1d3 ]--- <6>[ 87.611066] lkdtm: Overflow detected: saturated # [ 87.279004] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 87.286168] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 87.292690] ------------[ cut here ]------------ # [ 87.297601] WARNING: CPU: 2 PID: 2742 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.306356] refcount_t: saturated; leaking memory. # [ 87.311456] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.340942] CPU: 2 PID: 2742 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 87.348955] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.355751] Backtrace: # [ 87.358487] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.366331] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.372269] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.379859] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.387092] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 # [ 87.395111] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.402865] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c6006000 # [ 87.408799] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.418031] r9:c1ad5a68 r8:c15ebd0c r7:c6007f60 r6:0000001f r5:c61c1000 r4:7fffffff # [ 87.426054] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.436765] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.448684] r5:c61c1000 r4:c6006000 # [ 87.452537] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.462718] r4:0000002e # [ 87.465525] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.473808] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.481997] r9:c6007f60 r8:c30236c0 r7:0000001f r6:b6e8d000 r5:c474af00 r4:c0c57e4c # [ 87.490021] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.498123] r9:c07e1b5c r8:c6007f60 r7:c2815800 r6:b6e8d000 r5:c474af00 r4:00000000 # [ 87.506139] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.513546] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6006000 r5:c474af00 # [ 87.521642] r4:c474af00 # [ 87.524450] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.531857] r9:c6006000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:0000001f r4:0000001f # [ 87.539876] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.547713] Exception stack(0xc6007fa8 to 0xc6007ff0) # [ 87.553037] 7fa0: 0000001f 0000001f 00000001 b6e8d000 0000001f 00000000 # [ 87.561488] 7fc0: 0000001f 0000001f b6fd4e00 00000004 00000001 00000000 00020000 beb4dac4 # [ 87.569933] 7fe0: 00000004 beb4d7f8 b6f3ed8f b6ec57e6 # [ 87.575338] irq event stamp: 0 # [ 87.578677] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.584570] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.592403] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.600180] softirqs last disabled at (0):<6>[ 88.198268] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [<00000000>] 0x0 # [ 87.60610<6>[ 88.205879] lkdtm: attempting good refcount_dec() 6] ---[ end trace 42e62c1453b9a1d<6>[ 88.213801] lkdtm: attempting bad refcount_dec() to zero 3 ]--- # [ 87.611066] lkdtm: O<4>[ 88.222143] ------------[ cut here ]------------ verflow detected: saturated # RE<4>[ 88.229852] WARNING: CPU: 1 PID: 2777 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 FCOUNT_ADD_NOT_ZERO_OVERFLOW: mis<4>[ 88.241428] refcount_t: decrement hit 0; leaking memory. sing 'call trace:': [FAIL] not o<4>[ 88.249836] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 k 45 selftests: lkdtm: REFCOUNT_A<4>[ 88.281840] CPU: 1 PID: 2777 Comm: cat Tainted: G D W 5.10.207-cip41 #1 DD_NOT_ZERO_E[ R F L8O8W..2s2665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) h # exit=1 # sele[s t s :8 .301273] Backtrace: lkdtm: REFCOUNT_DEC_ZERO.sh <4>[ 88.306076] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.316411] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 88.322345] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.329930] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.337160] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b54 <4>[ 88.345177] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.352926] r7:0000001f r6:c1a29b54 r5:c1a29bb8 r4:c619e000 <4>[ 88.358857] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 88.368083] r9:c1ad5a88 r8:c15ebd0c r7:c619ff60 r6:00000012 r5:c61c5000 r4:c619e000 <4>[ 88.376101] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 88.386026] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 88.396040] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.405089] r4:0000002f <4>[ 88.407893] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.416173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.424360] r9:c619ff60 r8:c30236c0 r7:00000012 r6:b6dc6000 r5:c5c1dcc0 r4:c0c57e4c <4>[ 88.432377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.440475] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6dc6000 r5:c5c1dcc0 r4:00000000 <4>[ 88.448488] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.455892] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c619e000 r5:c5c1dcc0 <4>[ 88.463985] r4:c5c1dcc0 <4>[ 88.466790] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.474195] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:00000012 r4:00000012 <4>[ 88.482211] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.490046] Exception stack(0xc619ffa8 to 0xc619fff0) <4>[ 88.495366] ffa0: 00000012 00000012 00000001 b6dc6000 00000012 00000000 <4>[ 88.503814] ffc0: 00000012 00000012 b6f0de00 00000004 00000001 00000000 00020000 be9d2ac4 <4>[ 88.512257] ffe0: 00000004 be9d27f8 b6e77d8f b6dfe7e6 <4>[ 88.517628] irq event stamp: 0 <4>[ 88.520982] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.526833] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.534648] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.542460] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.548311] ---[ end trace 42e62c1453b9a1d4 ]--- <6>[ 88.553236] lkdtm: Zero detected: saturated # [ 88.198268] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 88.205879] lkdtm: attempting good refcount_dec() # [ 88.213801] lkdtm: attempting bad refcount_dec() to zero # [ 88.222143] ------------[ cut here ]------------ # [ 88.229852] WARNING: CPU: 1 PID: 2777 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 88.241428] refcount_t: decrement hit 0; leaking memory. # [ 88.249836] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.281840] CPU: 1 PID: 2777 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 88.292665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.301273] Backtrace: # [ 88.306076] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.316411] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.322345] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.329930] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.337160] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b54 # [ 88.345177] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.352926] r7:0000001f r6:c1a29b54 r5:c1a29bb8 r4:c619e000 # [ 88.358857] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 88.368083] r9:c1ad5a88 r8:c15ebd0c r7:c619ff60 r6:00000012 r5:c61c5000 r4:c619e000 # [ 88.376101] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 88.386026] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 88.396040] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.405089] r4:0000002f # [ 88.407893] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.416173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.424360] r9:c619ff60 r8:c30236c0 r7:00000012 r6:b6dc6000 r5:c5c1dcc0 r4:c0c57e4c # [ 88.432377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.440475] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6dc6000 r5:c5c1dcc0 r4:00000000 # [ 88.448488] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.455892] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c619e000 r5:c5c1dcc0 # [ 88.463985] r4:c5c1dcc0 # [ 88.466790] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.474195] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:00000012 r4:00000012 # [ 88.482211] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.490046] Exception stack(0xc619ffa8 to 0xc619fff0) # [ 88.495366] ffa0: 00000012 00000012 00000001 b6dc6000 00000012 00000000 # [ 88.503814] ffc0: 00000012 00000012 b6f0de00 00000004 00000001 00000000 00020000 be9d2ac4 # [ 88.512257] ffe0: 00000004 be9d27f8 b6e77d8f b6dfe7e6 # [ 88.517628] irq event stamp: 0 # [ 88.520982] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.526833] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.534648] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.542460] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.548311] ---[ end trace 42e62c1453b9a1d4 ]--- # [ 88.553236] lkdtm: Zero detected: sat<6>[ 88.968871] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE urated # REFCOUNT_DEC_ZERO: miss<6>[ 88.977377] lkdtm: attempting bad refcount_dec() below zero ing 'call trace:': [FAIL] not ok<4>[ 88.986111] ------------[ cut here ]------------ 46 selftests: lkdtm: REFCOUNT_DE<4>[ 88.993875] WARNING: CPU: 0 PID: 2815 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 C_ZERO.sh # exit=1 # selftests: <4>[ 89.005442] refcount_t: decrement hit 0; leaking memory. lkdtm: REFCOUNT_DEC_NEGATIVE.sh <4>[ 89.013904] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.045863] CPU: 0 PID: 2815 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 89.053875] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.060667] Backtrace: <4>[ 89.063396] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.071235] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.077168] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.084754] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.091985] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b54 <4>[ 89.100000] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.107749] r7:0000001f r6:c1a29b54 r5:c1a29bb8 r4:c6078000 <4>[ 89.113680] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 89.122906] r9:c1ad5a9c r8:c15ebd0c r7:c6079f60 r6:00000016 r5:00000000 r4:c6078000 <4>[ 89.130924] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 89.140848] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 89.151211] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.160608] r5:c61c3000 r4:00000030 <4>[ 89.164454] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.172732] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.180919] r9:c6079f60 r8:c30236c0 r7:00000016 r6:b6ddd000 r5:c623f400 r4:c0c57e4c <4>[ 89.188939] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.197039] r9:c07e1b5c r8:c6079f60 r7:c2815800 r6:b6ddd000 r5:c623f400 r4:00000000 <4>[ 89.205052] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.212456] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6078000 r5:c623f400 <4>[ 89.220549] r4:c623f400 <4>[ 89.223353] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.230758] r9:c6078000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:00000016 r4:00000016 <4>[ 89.238773] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.246607] Exception stack(0xc6079fa8 to 0xc6079ff0) <4>[ 89.251929] 9fa0: 00000016 00000016 00000001 b6ddd000 00000016 00000000 <4>[ 89.260375] 9fc0: 00000016 00000016 b6f24e00 00000004 00000001 00000000 00020000 beb3dac4 <4>[ 89.268818] 9fe0: 00000004 beb3d7f8 b6e8ed8f b6e157e6 <4>[ 89.274176] irq event stamp: 0 <4>[ 89.277509] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.283384] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.291178] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.298934] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.304825] ---[ end trace 42e62c1453b9a1d5 ]--- <6>[ 89.309722] lkdtm: Negative detected: saturated # [ 88.968871] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 88.977377] lkdtm: attempting bad refcount_dec() below zero # [ 88.986111] ------------[ cut here ]------------ # [ 88.993875] WARNING: CPU: 0 PID: 2815 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.005442] refcount_t: decrement hit 0; leaking memory. # [ 89.013904] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.045863] CPU: 0 PID: 2815 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 89.053875] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.060667] Backtrace: # [ 89.063396] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.071235] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.077168] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.084754] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.091985] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b54 # [ 89.100000] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.107749] r7:0000001f r6:c1a29b54 r5:c1a29bb8 r4:c6078000 # [ 89.113680] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.122906] r9:c1ad5a9c r8:c15ebd0c r7:c6079f60 r6:00000016 r5:00000000 r4:c6078000 # [ 89.130924] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.140848] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 89.151211] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.160608] r5:c61c3000 r4:00000030 # [ 89.164454] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.172732] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.180919] r9:c6079f60 r8:c30236c0 r7:00000016 r6:b6ddd000 r5:c623f400 r4:c0c57e4c # [ 89.188939] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.197039] r9:c07e1b5c r8:c6079f60 r7:c2815800 r6:b6ddd000 r5:c623f400 r4:00000000 # [ 89.205052] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.212456] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6078000 r5:c623f400 # [ 89.220549] r4:c623f400 # [ 89.223353] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.230758] r9:c6078000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:00000016 r4:00000016 # [ 89.238773] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.246607] Exception stack(0xc6079fa8 to 0xc6079ff0) # [ 89.251929] 9fa0: 00000016 00000016 00000001 b6ddd000 00000016 00000000 # [ 89.260375] 9fc0: 00000016 00000016 b6f24e00 00000004 00000001 00000000 00020000 beb3dac4 # [ 89.268818] 9fe0: 00000004 beb3d7f8 b6e8ed8f b6e157e6 # [ 89.274176] irq event stamp: 0 # [ 89.277509] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.283384] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.291178] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.298934] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.304825] ---[ end trace 42e62c1453b9a1d5 ]--- # [ 89.309722] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIV<6>[ 89.742540] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE E: saw 'Negative detected: satura<6>[ 89.751694] lkdtm: attempting bad refcount_dec_and_test() below zero ted': ok ok 47 selftests: lkdtm:<4>[ 89.761134] ------------[ cut here ]------------ REFCOUNT_DEC_NEGATIVE.sh # self<4>[ 89.768825] WARNING: CPU: 3 PID: 2851 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 tests: lkdtm: REFCOUNT_DEC_AND_TE<4>[ 89.780554] refcount_t: underflow; use-after-free. ST_NEGATIVE.sh <4>[ 89.788414] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.818899] CPU: 3 PID: 2851 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 89.826909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.833701] Backtrace: <4>[ 89.836432] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.844270] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.850202] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.857786] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.865017] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 <4>[ 89.873032] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.880781] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c4690000 <4>[ 89.886713] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 89.896027] r9:c1ad5ab4 r8:c15ebd0c r7:c4691f60 r6:0000001f r5:00000000 r4:c4690000 <4>[ 89.904045] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 89.914755] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 89.926677] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.936855] r5:c6518000 r4:00000031 <4>[ 89.940701] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.948979] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.957165] r9:c4691f60 r8:c30236c0 r7:0000001f r6:b6e35000 r5:c5b43400 r4:c0c57e4c <4>[ 89.965184] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.973283] r9:c07e1b5c r8:c4691f60 r7:c2815800 r6:b6e35000 r5:c5b43400 r4:00000000 <4>[ 89.981297] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.988700] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c4690000 r5:c5b43400 <4>[ 89.996793] r4:c5b43400 <4>[ 89.999598] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.007001] r9:c4690000 r8:c03002e4 r7:00000004 r6:b6f7ce00 r5:0000001f r4:0000001f <4>[ 90.015016] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.022853] Exception stack(0xc4691fa8 to 0xc4691ff0) <4>[ 90.028174] 1fa0: 0000001f 0000001f 00000001 b6e35000 0000001f 00000000 <4>[ 90.036622] 1fc0: 0000001f 0000001f b6f7ce00 00000004 00000001 00000000 00020000 beaf1ac4 <4>[ 90.045066] 1fe0: 00000004 beaf17f8 b6ee6d8f b6e6d7e6 <4>[ 90.050452] irq event stamp: 0 <4>[ 90.053810] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.059664] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.067462] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.075294] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.081185] ---[ end trace 42e62c1453b9a1d6 ]--- <6>[ 90.086079] lkdtm: Negative detected: saturated # [ 89.742540] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 89.751694] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 89.761134] ------------[ cut here ]------------ # [ 89.768825] WARNING: CPU: 3 PID: 2851 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 89.780554] refcount_t: underflow; use-after-free. # [ 89.788414] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.818899] CPU: 3 PID: 2851 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 89.826909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.833701] Backtrace: # [ 89.836432] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.844270] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.850202] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.857786] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.865017] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 # [ 89.873032] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.880781] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c4690000 # [ 89.886713] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 89.896027] r9:c1ad5ab4 r8:c15ebd0c r7:c4691f60 r6:0000001f r5:00000000 r4:c4690000 # [ 89.904045] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 89.914755] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 89.926677] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.936855] r5:c6518000 r4:00000031 # [ 89.940701] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.948979] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.957165] r9:c4691f60 r8:c30236c0 r7:0000001f r6:b6e35000 r5:c5b43400 r4:c0c57e4c # [ 89.965184] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.973283] r9:c07e1b5c r8:c4691f60 r7:c2815800 r6:b6e35000 r5:c5b43400 r4:00000000 # [ 89.981297] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.988700] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c4690000 r5:c5b43400 # [ 89.996793] r4:c5b43400 # [ 89.999598] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.007001] r9:c4690000 r8:c03002e4 r7:00000004 r6:b6f7ce00 r5:0000001f r4:0000001f # [ 90.015016] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.022853] Exception stack(0xc4691fa8 to 0xc4691ff0) # [ 90.028174] 1fa0: 0000001f 0000001f 00000001 b6e35000 0000001f 00000000 # [ 90.036622] 1fc0: 0000001f 0000001f b6f7ce00 00000004 00000001 00000000 00020000 beaf1ac4 # [ 90.045066] 1fe0: 00000004 beaf17f8 b6ee6d8f b6e6d7e6 # [ 90.050452] irq event stamp: 0 # [ 90.053810] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.059664] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.067462] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.075294] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.081185] ---[ end trace 42e62c1453b9a1d6 ]--- # [ 90.086079] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48<6>[ 90.517781] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE selftests: lkdtm: REFCOUNT_DEC_A<6>[ 90.525519] lkdtm: attempting bad refcount_sub_and_test() below zero ND_TEST_NEGATIVE.sh # selftests:<4>[ 90.535050] ------------[ cut here ]------------ lkdtm: REFCOUNT_SUB_AND_TEST_NEG<4>[ 90.542769] WARNING: CPU: 1 PID: 2887 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 ATIVE.sh <4>[ 90.554374] refcount_t: underflow; use-after-free. <4>[ 90.560263] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.589689] CPU: 1 PID: 2887 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 90.597699] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.604493] Backtrace: <4>[ 90.607223] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.615062] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 90.620992] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.628578] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.635810] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 <4>[ 90.643824] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.651574] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c62e2000 <4>[ 90.657508] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 90.666823] r9:c1ad5ad4 r8:c15ebd0c r7:c62e3f60 r6:0000001f r5:c61c5000 r4:c62e2000 <4>[ 90.674841] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 90.685554] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 90.697476] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.707654] r4:00000032 <4>[ 90.710457] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.718735] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.726921] r9:c62e3f60 r8:c30236c0 r7:0000001f r6:b6e7e000 r5:c58ecb40 r4:c0c57e4c <4>[ 90.734941] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.743040] r9:c07e1b5c r8:c62e3f60 r7:c2815800 r6:b6e7e000 r5:c58ecb40 r4:00000000 <4>[ 90.751051] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.758457] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c62e2000 r5:c58ecb40 <4>[ 90.766550] r4:c58ecb40 <4>[ 90.769354] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.776758] r9:c62e2000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:0000001f r4:0000001f <4>[ 90.784773] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.792608] Exception stack(0xc62e3fa8 to 0xc62e3ff0) <4>[ 90.797929] 3fa0: 0000001f 0000001f 00000001 b6e7e000 0000001f 00000000 <4>[ 90.806376] 3fc0: 0000001f 0000001f b6fc5e00 00000004 00000001 00000000 00020000 bee7fac4 <4>[ 90.814819] 3fe0: 00000004 bee7f7f8 b6f2fd8f b6eb67e6 <4>[ 90.820189] irq event stamp: 0 <4>[ 90.823544] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.829395] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.837199] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.844997] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.850888] ---[ end trace 42e62c1453b9a1d7 ]--- <6>[ 90.855792] lkdtm: Negative detected: saturated # [ 90.517781] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 90.525519] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 90.535050] ------------[ cut here ]------------ # [ 90.542769] WARNING: CPU: 1 PID: 2887 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.554374] refcount_t: underflow; use-after-free. # [ 90.560263] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.589689] CPU: 1 PID: 2887 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 90.597699] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.604493] Backtrace: # [ 90.607223] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.615062] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 90.620992] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.628578] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.635810] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 # [ 90.643824] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.651574] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c62e2000 # [ 90.657508] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.666823] r9:c1ad5ad4 r8:c15ebd0c r7:c62e3f60 r6:0000001f r5:c61c5000 r4:c62e2000 # [ 90.674841] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.685554] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 90.697476] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.707654] r4:00000032 # [ 90.710457] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.718735] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.726921] r9:c62e3f60 r8:c30236c0 r7:0000001f r6:b6e7e000 r5:c58ecb40 r4:c0c57e4c # [ 90.734941] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.743040] r9:c07e1b5c r8:c62e3f60 r7:c2815800 r6:b6e7e000 r5:c58ecb40 r4:00000000 # [ 90.751051] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.758457] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c62e2000 r5:c58ecb40 # [ 90.766550] r4:c58ecb40 # [ 90.769354] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.776758] r9:c62e2000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:0000001f r4:0000001f # [ 90.784773] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.792608] Exception stack(0xc62e3fa8 to 0xc62e3ff0) # [ 90.797929] 3fa0: 0000001f 0000001f 00000001 b6e7e000 0000001f 00000000 # [ 90.806376] 3fc0: 0000001f 0000001f b6fc5e00 00000004 00000001 00000000 00020000 bee7fac4 # [ 90.814819] 3fe0: 00000004 bee7f7f8 b6f2fd8f b6eb67e6 # [ 90.820189] irq event stamp: 0 # [ 90.823544] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.829395] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.837199] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.844997] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.850888] ---[ end trace 42e62c1453b9a1d7 ]--- # [ 90.855792] lkdtm<6>[ 91.278618] lkdtm: Performing direct entry REFCOUNT_INC_ZERO : Negative detected: saturated #<6>[ 91.285036] lkdtm: attempting safe refcount_inc_not_zero() from zero REFCOUNT_SUB_AND_TEST_NEGATIVE: <6>[ 91.294413] lkdtm: Good: zero detected saw 'Negative detected: saturated<6>[ 91.301297] lkdtm: Correctly stayed at zero ': ok ok 49 selftt[s : l91.308544] lkdtm: attempting bad refcount_inc() from zero dtm: REFCOUNT_SUB_AND_TEST_NEGATI<4>[ 91.316496] ------------[ cut here ]------------ VE.sh # selftests: lkdtm: REFCOU<4>[ 91.324260] WARNING: CPU: 1 PID: 2920 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 NT_INC_ZERO.sh <4>[ 91.335887] refcount_t: addition on 0; use-after-free. <4>[ 91.342671] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.372152] CPU: 1 PID: 2920 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 91.380166] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.386962] Backtrace: <4>[ 91.389697] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.397543] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.403479] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.411067] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.418304] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b54 <4>[ 91.426322] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.434075] r7:00000019 r6:c1a29b54 r5:c1a29b64 r4:c65b6000 <4>[ 91.440009] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 91.449326] r9:c1ad5af4 r8:c15ebd0c r7:c65b7f60 r6:00000012 r5:00000000 r4:c65b6000 <4>[ 91.457348] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 91.467283] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 91.477299] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.486353] r5:c5ce9000 r4:00000033 <4>[ 91.490201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.498486] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.506676] r9:c65b7f60 r8:c30236c0 r7:00000012 r6:b6ddb000 r5:c5934280 r4:c0c57e4c <4>[ 91.514699] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.522801] r9:c07e1b5c r8:c65b7f60 r7:c2815800 r6:b6ddb000 r5:c5934280 r4:00000000 <4>[ 91.530818] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.538225] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c65b6000 r5:c5934280 <4>[ 91.546322] r4:c5934280 <4>[ 91.549129] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.556536] r9:c65b6000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:00000012 r4:00000012 <4>[ 91.564556] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.572393] Exception stack(0xc65b7fa8 to 0xc65b7ff0) <4>[ 91.577717] 7fa0: 00000012 00000012 00000001 b6ddb000 00000012 00000000 <4>[ 91.586167] 7fc0: 00000012 00000012 b6f22e00 00000004 00000001 00000000 00020000 beed2ac4 <4>[ 91.594613] 7fe0: 00000004 beed27f8 b6e8cd8f b6e137e6 <4>[ 91.600000] irq event stamp: 0 <4>[ 91.603364] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.609221] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.617031] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.624842] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.630693] ---[ end trace 42e62c1453b9a1d8 ]--- <6>[ 91.635616] lkdtm: Zero detected: saturated # [ 91.278618] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 91.285036] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 91.294413] lkdtm: Good: zero detected # [ 91.301297] lkdtm: Correctly stayed at zero # [ 91.308544] lkdtm: attempting bad refcount_inc() from zero # [ 91.316496] ------------[ cut here ]------------ # [ 91.324260] WARNING: CPU: 1 PID: 2920 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 91.335887] refcount_t: addition on 0; use-after-free. # [ 91.342671] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.372152] CPU: 1 PID: 2920 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 91.380166] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.386962] Backtrace: # [ 91.389697] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.397543] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.403479] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.411067] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.418304] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b54 # [ 91.426322] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.434075] r7:00000019 r6:c1a29b54 r5:c1a29b64 r4:c65b6000 # [ 91.440009] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 91.449326] r9:c1ad5af4 r8:c15ebd0c r7:c65b7f60 r6:00000012 r5:00000000 r4:c65b6000 # [ 91.457348] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 91.467283] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 91.477299] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.486353] r5:c5ce9000 r4:00000033 # [ 91.490201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.498486] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.506676] r9:c65b7f60 r8:c30236c0 r7:00000012 r6:b6ddb000 r5:c5934280 r4:c0c57e4c # [ 91.514699] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.522801] r9:c07e1b5c r8:c65b7f60 r7:c2815800 r6:b6ddb000 r5:c5934280 r4:00000000 # [ 91.530818] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.538225] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c65b6000 r5:c5934280 # [ 91.546322] r4:c5934280 # [ 91.549129] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.556536] r9:c65b6000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:00000012 r4:00000012 # [ 91.564556] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.572393] Exception stack(0xc65b7fa8 to 0xc65b7ff0) # [ 91.577717] 7fa0: 00000012 00000012 00000001 b6ddb000 00000012 00000000 # [ 91.586167] 7fc0: 00000012 00000012 b6f22e00 00000004 00000001 00000000 00020000 beed2ac4 # [ 91.594613] 7fe0: 00000004 beed27f8 b6e8cd8f b6e137e6 # [ 91.600000] irq event stamp: 0 # [ 91.603364] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.609221] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.617031] softirqs last enabled at (0): [] copy_process+0x<6>[ 92.067139] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 5f8/0x1dac # [ 91.624842] soft<6>[ 92.075188] lkdtm: attempting safe refcount_add_not_zero() from zero irqs last disabled at (0): [<0000<6>[ 92.084529] lkdtm: Good: zero detected 0000>] 0x0 # [ 91.630693] ---[<6>[ 92.091423] lkdtm: Correctly stayed at zero end trace 42e62c1453b9a1d8 ]--- <6>[ 92.098647] lkdtm: attempting bad refcount_add() from zero # [ 91.635616] lkdtm: Zero det<4>[ 92.107278] ------------[ cut here ]------------ ected: saturated # REFCOUNT_INC_<4>[ 92.115040] WARNING: CPU: 2 PID: 2955 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 ZERO: missing 'call trace:': [FAI<4>[ 92.126668] refcount_t: addition on 0; use-after-free. L] not ok 50 selftests: lkdtm: R<4>[ 92.134932] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 EFCOUNT_INC_ZERO.sh # exit=1 # s<4>[ 92.166896] CPU: 2 PID: 2955 Comm: cat Tainted: G D W 5.10.207-cip41 #1 elftests: lt[m : R9E2F.C1O7720] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) UNT_ADD_ZERO.sh < 4>[ 92.186329] Backtrace: <4>[ 92.190521] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.198361] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.204293] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.211878] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.219110] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b54 <4>[ 92.227124] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.234873] r7:00000019 r6:c1a29b54 r5:c1a29b64 r4:c655a000 <4>[ 92.240804] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 92.250117] r9:c1ad5b08 r8:c15ebd0c r7:c655bf60 r6:00000012 r5:00000000 r4:c655a000 <4>[ 92.258134] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 92.268062] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 92.278076] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.287126] r5:c5ae9000 r4:00000034 <4>[ 92.290972] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.299250] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.307435] r9:c655bf60 r8:c30236c0 r7:00000012 r6:b6e2e000 r5:c5c1c3c0 r4:c0c57e4c <4>[ 92.315454] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.323552] r9:c07e1b5c r8:c655bf60 r7:c2815800 r6:b6e2e000 r5:c5c1c3c0 r4:00000000 <4>[ 92.331564] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.338970] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c655a000 r5:c5c1c3c0 <4>[ 92.347063] r4:c5c1c3c0 <4>[ 92.349866] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.357268] r9:c655a000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000012 r4:00000012 <4>[ 92.365283] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.373118] Exception stack(0xc655bfa8 to 0xc655bff0) <4>[ 92.378439] bfa0: 00000012 00000012 00000001 b6e2e000 00000012 00000000 <4>[ 92.386885] bfc0: 00000012 00000012 b6f75e00 00000004 00000001 00000000 00020000 beae1ac4 <4>[ 92.395328] bfe0: 00000004 beae17f8 b6edfd8f b6e667e6 <4>[ 92.400709] irq event stamp: 0 <4>[ 92.404066] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.409916] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.417735] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.425590] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.431478] ---[ end trace 42e62c1453b9a1d9 ]--- <6>[ 92.436372] lkdtm: Zero detected: saturated # [ 92.067139] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 92.075188] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 92.084529] lkdtm: Good: zero detected # [ 92.091423] lkdtm: Correctly stayed at zero # [ 92.098647] lkdtm: attempting bad refcount_add() from zero # [ 92.107278] ------------[ cut here ]------------ # [ 92.115040] WARNING: CPU: 2 PID: 2955 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 92.126668] refcount_t: addition on 0; use-after-free. # [ 92.134932] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.166896] CPU: 2 PID: 2955 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 92.177720] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.186329] Backtrace: # [ 92.190521] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.198361] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.204293] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.211878] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.219110] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b54 # [ 92.227124] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.234873] r7:00000019 r6:c1a29b54 r5:c1a29b64 r4:c655a000 # [ 92.240804] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.250117] r9:c1ad5b08 r8:c15ebd0c r7:c655bf60 r6:00000012 r5:00000000 r4:c655a000 # [ 92.258134] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.268062] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 92.278076] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.287126] r5:c5ae9000 r4:00000034 # [ 92.290972] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.299250] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.307435] r9:c655bf60 r8:c30236c0 r7:00000012 r6:b6e2e000 r5:c5c1c3c0 r4:c0c57e4c # [ 92.315454] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.323552] r9:c07e1b5c r8:c655bf60 r7:c2815800 r6:b6e2e000 r5:c5c1c3c0 r4:00000000 # [ 92.331564] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.338970] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c655a000 r5:c5c1c3c0 # [ 92.347063] r4:c5c1c3c0 # [ 92.349866] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.357268] r9:c655a000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000012 r4:00000012 # [ 92.365283] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.373118] Exception stack(0xc655bfa8 to 0xc655bff0) # [ 92.378439] bfa0: 00000012 00000012 00000001 b6e2e000 00000012 00000000 # [ 92.386885] bfc0: 00000012 00000012 b6f75e00 00000004 00000001 00000000 00020000 beae1ac4 # [ 92.395328] bfe0: 00000004 beae17f8 b6edfd8f b6e667e6 # [ 92.400709] irq event stamp: 0 # [ 92.404066] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.409916] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.417735] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.425590] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.431478] ---[ end trace 42e62c1453b9a1d9 ]--- # [ 92.43<6>[ 92.869433] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 6372] lkdtm: Zero detected: satur<6>[ 92.878592] lkdtm: attempting bad refcount_inc() from saturated ated # REFCOUNT_ADD_ZERO: missin<4>[ 92.887634] ------------[ cut here ]------------ g 'call trace:': [FAIL] not ok 5<4>[ 92.895391] WARNING: CPU: 2 PID: 2993 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 1 selftests: lkdtm: REFCOUNT_ADD_<4>[ 92.906912] refcount_t: saturated; leaking memory. ZERO.sh # exit=1 # selftests: lk<4>[ 92.914823] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 dtm: REFCOUNT_INC_SATURATED.sh <4>[ 92.946815] CPU: 2 PID: 2993 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 92.957528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.964322] Backtrace: <4>[ 92.967054] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.974894] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.980824] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.988409] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.995640] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 <4>[ 93.003655] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.011404] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c63ea000 <4>[ 93.017339] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 93.026566] r9:c1ad5b1c r8:c15ebd0c r7:c63ebf60 r6:00000017 r5:c5ae9000 r4:c63ea000 <4>[ 93.034584] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 93.044513] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 93.054960] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.064442] r4:00000035 <4>[ 93.067246] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.075524] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.083710] r9:c63ebf60 r8:c30236c0 r7:00000017 r6:b6e40000 r5:c623d680 r4:c0c57e4c <4>[ 93.091728] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.099827] r9:c07e1b5c r8:c63ebf60 r7:c2815800 r6:b6e40000 r5:c623d680 r4:00000000 <4>[ 93.107839] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.115243] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c63ea000 r5:c623d680 <4>[ 93.123337] r4:c623d680 <4>[ 93.126141] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.133547] r9:c63ea000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000017 r4:00000017 <4>[ 93.141561] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.149397] Exception stack(0xc63ebfa8 to 0xc63ebff0) <4>[ 93.154719] bfa0: 00000017 00000017 00000001 b6e40000 00000017 00000000 <4>[ 93.163167] bfc0: 00000017 00000017 b6f87e00 00000004 00000001 00000000 00020000 beea5ac4 <4>[ 93.171611] bfe0: 00000004 beea57f8 b6ef1d8f b6e787e6 <4>[ 93.177025] irq event stamp: 0 <4>[ 93.180366] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.186258] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.194052] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.201841] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.207684] ---[ end trace 42e62c1453b9a1da ]--- <6>[ 93.212602] lkdtm: Saturation detected: still saturated # [ 92.869433] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 92.878592] lkdtm: attempting bad refcount_inc() from saturated # [ 92.887634] ------------[ cut here ]------------ # [ 92.895391] WARNING: CPU: 2 PID: 2993 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 92.906912] refcount_t: saturated; leaking memory. # [ 92.914823] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.946815] CPU: 2 PID: 2993 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 92.957528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.964322] Backtrace: # [ 92.967054] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.974894] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.980824] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.988409] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.995640] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 # [ 93.003655] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.011404] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c63ea000 # [ 93.017339] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 93.026566] r9:c1ad5b1c r8:c15ebd0c r7:c63ebf60 r6:00000017 r5:c5ae9000 r4:c63ea000 # [ 93.034584] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 93.044513] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 93.054960] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.064442] r4:00000035 # [ 93.067246] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.075524] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.083710] r9:c63ebf60 r8:c30236c0 r7:00000017 r6:b6e40000 r5:c623d680 r4:c0c57e4c # [ 93.091728] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.099827] r9:c07e1b5c r8:c63ebf60 r7:c2815800 r6:b6e40000 r5:c623d680 r4:00000000 # [ 93.107839] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.115243] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c63ea000 r5:c623d680 # [ 93.123337] r4:c623d680 # [ 93.126141] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.133547] r9:c63ea000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000017 r4:00000017 # [ 93.141561] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.149397] Exception stack(0xc63ebfa8 to 0xc63ebff0) # [ 93.154719] bfa0: 00000017 00000017 00000001 b6e40000 00000017 00000000 # [ 93.163167] bfc0: 00000017 00000017 b6f87e00 00000004 00000001 00000000 00020000 beea5ac4 # [ 93.171611] bfe0: 00000004 beea57f8 b6ef1d8f b6e787e6 # [ 93.177025] irq event stamp: 0 # [ 93.180366] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.186258] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.194052] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.201841] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.207684] ---[ end trace 42e62c1453b9a1da ]--- # [ 93.212602] 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_S<6>[ 93.652671] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED ATURATED.sh <6>[ 93.661298] lkdtm: attempting bad refcount_dec() from saturated <4>[ 93.668517] ------------[ cut here ]------------ <4>[ 93.673581] WARNING: CPU: 2 PID: 3029 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 93.682380] refcount_t: decrement hit 0; leaking memory. <4>[ 93.687964] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.717384] CPU: 2 PID: 3029 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 93.725393] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.732185] Backtrace: <4>[ 93.734915] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.742755] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 93.748687] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.756272] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.763503] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b54 <4>[ 93.771518] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.779268] r7:0000001f r6:c1a29b54 r5:c1a29bb8 r4:c5908000 <4>[ 93.785200] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 93.794427] r9:c1ad5b34 r8:c15ebd0c r7:c5909f60 r6:00000017 r5:c5ae9000 r4:c5908000 <4>[ 93.802444] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 93.812369] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 93.822817] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.832301] r4:00000036 <4>[ 93.835104] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.843383] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.851568] r9:c5909f60 r8:c30236c0 r7:00000017 r6:b6dd3000 r5:c5d0c780 r4:c0c57e4c <4>[ 93.859587] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.867687] r9:c07e1b5c r8:c5909f60 r7:c2815800 r6:b6dd3000 r5:c5d0c780 r4:00000000 <4>[ 93.875700] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.883104] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c5908000 r5:c5d0c780 <4>[ 93.891198] r4:c5d0c780 <4>[ 93.894002] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.901405] r9:c5908000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000017 r4:00000017 <4>[ 93.909420] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.917255] Exception stack(0xc5909fa8 to 0xc5909ff0) <4>[ 93.922575] 9fa0: 00000017 00000017 00000001 b6dd3000 00000017 00000000 <4>[ 93.931021] 9fc0: 00000017 00000017 b6f1ae00 00000004 00000001 00000000 00020000 be9c0ac4 <4>[ 93.939465] 9fe0: 00000004 be9c07f8 b6e84d8f b6e0b7e6 <4>[ 93.944848] irq event stamp: 0 <4>[ 93.948180] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.954063] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.961856] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.969620] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.975539] ---[ end trace 42e62c1453b9a1db ]--- <6>[ 93.980437] lkdtm: Saturation detected: still saturated # [ 93.652671] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 93.661298] lkdtm: attempting bad refcount_dec() from saturated # [ 93.668517] ------------[ cut here ]------------ # [ 93.673581] WARNING: CPU: 2 PID: 3029 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 93.682380] refcount_t: decrement hit 0; leaking memory. # [ 93.687964] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.717384] CPU: 2 PID: 3029 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 93.725393] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.732185] Backtrace: # [ 93.734915] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.742755] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 93.748687] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.756272] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.763503] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b54 # [ 93.771518] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.779268] r7:0000001f r6:c1a29b54 r5:c1a29bb8 r4:c5908000 # [ 93.785200] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 93.794427] r9:c1ad5b34 r8:c15ebd0c r7:c5909f60 r6:00000017 r5:c5ae9000 r4:c5908000 # [ 93.802444] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 93.812369] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 93.822817] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.832301] r4:00000036 # [ 93.835104] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.843383] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.851568] r9:c5909f60 r8:c30236c0 r7:00000017 r6:b6dd3000 r5:c5d0c780 r4:c0c57e4c # [ 93.859587] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.867687] r9:c07e1b5c r8:c5909f60 r7:c2815800 r6:b6dd3000 r5:c5d0c780 r4:00000000 # [ 93.875700] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.883104] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c5908000 r5:c5d0c780 # [ 93.891198] r4:c5d0c780 # [ 93.894002] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.901405] r9:c5908000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000017 r4:00000017 # [ 93.909420] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.917255] Exception stack(0xc5909fa8 to 0xc5909ff0) # [ 93.922575] 9fa0: 00000017 00000017 00000001 b6dd3000 00000017 00000000 # [ 93.931021] 9fc0: 00000017 00000017 b6f1ae00 00000004 00000001 00000000 00020000 be9c0ac4 # [ 93.939465] 9fe0: 00000004 be9c07f8 b6e84d8f b6e0b7e6 # [ 93.944848] irq event stamp: 0 # [ 93.948180] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.954063] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.961856] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.969620] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.975539] ---[ end trace 42e62c1453b9a1db ]--- # [ 93.980437] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm<6>[ 94.418341] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED : REFCOUNT_DEC_SATURATED.sh # se<6>[ 94.427208] lkdtm: attempting bad refcount_dec() from saturated lftests: lkdtm: REFCOUNT_ADD_SATU<4>[ 94.436218] ------------[ cut here ]------------ RATED.sh <4>[ 94.443964] WARNING: CPU: 1 PID: 3065 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 94.453508] refcount_t: saturated; leaking memory. <4>[ 94.458569] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.487994] CPU: 1 PID: 3065 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 94.496006] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.502799] Backtrace: <4>[ 94.505528] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.513366] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 94.519297] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.526881] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.534111] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 <4>[ 94.542126] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.549875] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c6086000 <4>[ 94.555806] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 94.565032] r9:c1ad5b4c r8:c15ebd0c r7:c6087f60 r6:00000017 r5:c5ce9000 r4:c6086000 <4>[ 94.573050] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 94.582979] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 94.593424] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.602906] r4:00000037 <4>[ 94.605711] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.613989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.622176] r9:c6087f60 r8:c30236c0 r7:00000017 r6:b6e6b000 r5:c58ec000 r4:c0c57e4c <4>[ 94.630195] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.638294] r9:c07e1b5c r8:c6087f60 r7:c2815800 r6:b6e6b000 r5:c58ec000 r4:00000000 <4>[ 94.646307] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.653711] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c6086000 r5:c58ec000 <4>[ 94.661804] r4:c58ec000 <4>[ 94.664607] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.672011] r9:c6086000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:00000017 r4:00000017 <4>[ 94.680027] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.687861] Exception stack(0xc6087fa8 to 0xc6087ff0) <4>[ 94.693181] 7fa0: 00000017 00000017 00000001 b6e6b000 00000017 00000000 <4>[ 94.701627] 7fc0: 00000017 00000017 b6fb2e00 00000004 00000001 00000000 00020000 beec0ac4 <4>[ 94.710070] 7fe0: 00000004 beec07f8 b6f1cd8f b6ea37e6 <4>[ 94.715432] irq event stamp: 0 <4>[ 94.718766] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.724642] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.732470] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.740265] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.746172] ---[ end trace 42e62c1453b9a1dc ]--- <6>[ 94.751091] lkdtm: Saturation detected: still saturated # [ 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] 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/12521944/extract-nfsrootfs-ebs_u2ip,tcp,hard 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: 921472K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61568K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56142 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 94.418341] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 94.427208] lkdtm: attempting bad refcount_dec() from saturated # [ 94.436218] ------------[ cut here ]------------ # [ 94.443964] WARNING: CPU: 1 PID: 3065 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 94.453508] refcount_t: saturated; leaking memory. # [ 94.458569] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.487994] CPU: 1 PID: 3065 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 94.496006] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.502799] Backtrace: # [ 94.505528] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.513366] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 94.519297] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.526881] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.534111] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b54 # [ 94.542126] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.549875] r7:00000016 r6:c1a29b54 r5:c1a29b2c r4:c6086000 # [ 94.555806] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 94.565032] r9:c1ad5b4c r8:c15ebd0c r7:c6087f60 r6:00000017 r5:c5ce9000 r4:c6086000 # [ 94.573050] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 94.582979] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 94.593424] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.602906] r4:00000037 # [ 9<6>[ 95.229320] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 4.605711] [] (lkdtm_do_<6>[ 95.236814] lkdtm: attempting bad refcount_inc_not_zero() from saturated action) from [] (direct<4>[ 95.246763] ------------[ cut here ]------------ _entry+0x120/0x18c) # [ 94.613<4>[ 95.254481] WARNING: CPU: 0 PID: 3098 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 989] [] (direct_entry) <4>[ 95.266053] refcount_t: saturated; leaking memory. from [] (full_proxy_wri<4>[ 95.274069] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 te+0x64/0x94) # [ 94.622176] <4>[ 95.305996] CPU: 0 PID: 3098 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 95.316820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.323615] Backtrace: <4>[ 95.326345] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.334186] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 95.340119] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.347705] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.354936] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 <4>[ 95.362951] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.370701] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c619e000 <4>[ 95.376632] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 95.385860] r9:c1ad5b64 r8:c15ebd0c r7:c619ff60 r6:00000020 r5:c6560000 r4:c0000000 <4>[ 95.393876] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 95.404584] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 95.416586] r5:c6560000 r4:c619e000 <4>[ 95.420437] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.430702] r4:00000038 <4>[ 95.433507] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.441787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.449973] r9:c619ff60 r8:c30236c0 r7:00000020 r6:b6e73000 r5:c612bb80 r4:c0c57e4c <4>[ 95.457994] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.466094] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6e73000 r5:c612bb80 r4:00000000 <4>[ 95.474107] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.481511] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c619e000 r5:c612bb80 <4>[ 95.489605] r4:c612bb80 <4>[ 95.492409] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.499812] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000020 r4:00000020 <4>[ 95.507829] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.515665] Exception stack(0xc619ffa8 to 0xc619fff0) <4>[ 95.520985] ffa0: 00000020 00000020 00000001 b6e73000 00000020 00000000 <4>[ 95.529434] ffc0: 00000020 00000020 b6fbae00 00000004 00000001 00000000 00020000 bece8ac4 <4>[ 95.537877] ffe0: 00000004 bece87f8 b6f24d8f b6eab7e6 r9:c6087f60 r8:c30236c0 r7:000000<4>[ 95.543260] irq event stamp: 0 17 r6:b6e6b000 r5:c58ec000 r4:c0c<4>[ 95.549447] hardirqs last enabled at (0): [<00000000>] 0x0 57e4c # [ 94.630195] [[ 95.558186] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac c>] (full_proxy_write) from [[ 95.568819] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 9baac>] (vfs_write+0x10c/0x53c) <4>[ 95.579442] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.638294] r9:c07e1b5c r8:<4>[ 95.588148] ---[ end trace 42e62c1453b9a1dd ]--- c6087f60 r7:c2815800 r6:b6e6b000 <6>[ 95.595908] lkdtm: Saturation detected: still saturated r5:c58ec000 r4:00000000 # [ 94.646307] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.653711] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c6086000 r5:c58ec000 # [ 94.661804] r4:c58ec000 # [ 94.664607] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.672011] r9:c6086000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:00000017 r4:00000017 # [ 94.680027] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.687861] Exception stack(0xc6087fa8 to 0xc6087ff0) # [ 94.693181] 7fa0: 00000017 00000017 00000001 b6e6b000 00000017 00000000 # [ 94.701627] 7fc0: 00000017 00000017 b6fb2e00 00000004 00000001 00000000 00020000 beec0ac4 # [ 94.710070] 7fe0: 00000004 beec07f8 b6f1cd8f b6ea37e6 # [ 94.715432] irq event stamp: 0 # [ 94.718766] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.724642] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.732470] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.740265] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.746172] ---[ end trace 42e62c1453b9a1dc ]--- # [ 94.751091] 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 # [ 95.229320] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 95.236814] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 95.246763] ------------[ cut here ]------------ # [ 95.254481] WARNING: CPU: 0 PID: 3098 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 95.266053] refcount_t: saturated; leaking memory. # [ 95.274069] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.305996] CPU: 0 PID: 3098 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 95.316820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.323615] Backtrace: # [ 95.326345] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.334186] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.340119] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.347705] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.354936] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 # [ 95.362951] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.370701] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c619e000 # [ 95.376632] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 95.385860] r9:c1ad5b64 r8:c15ebd0c r7:c619ff60 r6:00000020 r5:c6560000 r4:c0000000 # [ 95.393876] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 95.404584] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 95.416586] r5:c6560000 r4:c619e000 # [ 95.420437] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.430702] r4:00000038 # [ 95.433507] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.441787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.449973] r9:c619ff60 r8:c30236c0 r7:00000020 r6:b6e73000 r5:c612bb80 r4:c0c57e4c # [ 95.457994] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.466094] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6e73000 r5:c612bb80 r4:00000000 # [ 95.474107] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.481511] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c619e000 r5:c612bb80 # [ 95.489605] r4:c612bb80 # [ 95.492409] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.499812] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000020 r4:00000020 # [ 95.507829] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.515665] Exception stack(0xc619ffa8 to 0xc619fff0) # [ 95.520985] ffa0: 00000020 00000020 00000001 b6e73000 00000020 00000000 # [ 95.529434] ffc0: 00000020 00000020 b6fbae00 00000004 00000001 00000000 00020000 bece8ac4 # [ 95.537877] ffe0: 00000004 bece87f8 b6f24d8f b6eab7e6 # [ 95.543260] irq event stamp: 0 # [ 95.549447] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.558186] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.568819] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.579442] softirqs last disabled at (0): [<00000<6>[ 96.050474] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 000>] 0x0 # [ 95.588148] ---[ <6>[ 96.058350] lkdtm: attempting bad refcount_add_not_zero() from saturated end trace 42e62c1453b9a1dd ]--- <4>[ 96.068192] ------------[ cut here ]------------ # [ 95.595908] lkdtm: Saturatio<4>[ 96.075986] WARNING: CPU: 0 PID: 3133 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 n detected: still saturated # RE<4>[ 96.087575] refcount_t: saturated; leaking memory. FCOUNT_INC_NOT_ZERO_SATURATED: mi<4>[ 96.095490] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ssing 'call trace:': [FAIL] not <4>[ 96.127487] CPU: 0 PID: 3133 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 96.138310] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.145102] Backtrace: <4>[ 96.147831] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.155672] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.161605] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.169189] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.176420] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 <4>[ 96.184433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.192186] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c63ea000 <4>[ 96.198117] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 96.207345] r9:c1ad5b84 r8:c15ebd0c r7:c63ebf60 r6:00000020 r5:c6349000 r4:c0000000 <4>[ 96.215363] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 96.226072] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 96.238073] r5:c6349000 r4:c63ea000 <4>[ 96.241923] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.252187] r4:00000039 <4>[ 96.254991] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.263269] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.271456] r9:c63ebf60 r8:c30236c0 r7:00000020 r6:b6e11000 r5:c623f900 r4:c0c57e4c <4>[ 96.279477] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.287577] r9:c07e1b5c r8:c63ebf60 r7:c2815800 r6:b6e11000 r5:c623f900 r4:00000000 <4>[ 96.295590] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.302995] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c63ea000 r5:c623f900 <4>[ 96.311088] r4:c623f900 <4>[ 96.313893] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.321297] r9:c63ea000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000020 r4:00000020 <4>[ 96.329313] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.337148] Exception stack(0xc63ebfa8 to 0xc63ebff0) <4>[ 96.342469] bfa0: 00000020 00000020 00000001 b6e11000 00000020 00000000 <4>[ 96.350914] bfc0: 00000020 00000020 b6f58e00 00000004 00000001 00000000 00020000 beaf3ac4 <4>[ 96.359356] bfe0: 00000004 beaf37f8 b6ec2d8f b6e497e6 ok 55 selftests: lkdtm: REFCOUNT_<4>[ 96.364747] irq event stamp: 0 INC_NOT_ZERO_SATURATED.sh # exit=<4>[ 96.370947] hardirqs last enabled at (0): [<00000000>] 0x0 1 # selftests: lkdtm: REFCOUNT_A<4>[ 96.379653] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac DD_NOT_ZERO_SATURATED.sh <4>[ 96.390293] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.400274] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.406143] ---[ end trace 42e62c1453b9a1de ]--- <6>[ 96.411055] lkdtm: Saturation detected: still saturated # [ 96.050474] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 96.058350] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 96.068192] ------------[ cut here ]------------ # [ 96.075986] WARNING: CPU: 0 PID: 3133 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 96.087575] refcount_t: saturated; leaking memory. # [ 96.095490] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.127487] CPU: 0 PID: 3133 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 96.138310] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.145102] Backtrace: # [ 96.147831] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.155672] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.161605] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.169189] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.176420] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b54 # [ 96.184433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.192186] r7:00000013 r6:c1a29b54 r5:c1a29b2c r4:c63ea000 # [ 96.198117] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 96.207345] r9:c1ad5b84 r8:c15ebd0c r7:c63ebf60 r6:00000020 r5:c6349000 r4:c0000000 # [ 96.215363] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 96.226072] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 96.238073] r5:c6349000 r4:c63ea000 # [ 96.241923] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.252187] r4:00000039 # [ 96.254991] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.263269] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.271456] r9:c63ebf60 r8:c30236c0 r7:00000020 r6:b6e11000 r5:c623f900 r4:c0c57e4c # [ 96.279477] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.287577] r9:c07e1b5c r8:c63ebf60 r7:c2815800 r6:b6e11000 r5:c623f900 r4:00000000 # [ 96.295590] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.302995] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c63ea000 r5:c623f900 # [ 96.311088] r4:c623f900 # [ 96.313893] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.321297] r9:c63ea000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000020 r4:00000020 # [ 96.329313] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.337148] Exception stack(0xc63ebfa8 to 0xc63ebff0) # [ 96.342469] bfa0: 00000020 00000020 00000001 b6e11000 00000020 00000000 # [ 96.350914] bfc0: 00000020 00000020 b6f58e00 00000004 00000001 00000000 00020000 beaf3ac4 # [ 96.359356] bfe0: 00000004 beaf37f8 b6ec2d8f b6e497e6 # [ 96.364747] irq event stamp: 0 # [ 96.370947] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.379653] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.390293] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.400274] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.406143] ---[ end trace 42e62c1453b9a1de ]--- # [ 96.411055] 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 # self<6>[ 96.874348] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED tests: lkdtm: REFCOUNT_DEC_AND_TE<6>[ 96.882790] lkdtm: attempting bad refcount_dec_and_test() from saturated ST_SATURATED.sh <4>[ 96.892668] ------------[ cut here ]------------ <4>[ 96.898950] WARNING: CPU: 3 PID: 3171 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 96.907816] refcount_t: underflow; use-after-free. <4>[ 96.912911] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 96.942326] CPU: 3 PID: 3171 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 96.950338] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.957132] Backtrace: <4>[ 96.959864] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.967704] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.973636] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.981220] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.988453] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 <4>[ 96.996467] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.004217] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c6268000 <4>[ 97.010151] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 97.019465] r9:c1ad5ba4 r8:c15ebd0c r7:c6269f60 r6:00000020 r5:c6518000 r4:c6268000 <4>[ 97.027483] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 97.038196] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 97.050206] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.060470] r4:0000003a <4>[ 97.063273] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.071552] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.079737] r9:c6269f60 r8:c30236c0 r7:00000020 r6:b6e3a000 r5:c623c780 r4:c0c57e4c <4>[ 97.087756] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.095855] r9:c07e1b5c r8:c6269f60 r7:c2815800 r6:b6e3a000 r5:c623c780 r4:00000000 <4>[ 97.103867] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.111272] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c6268000 r5:c623c780 <4>[ 97.119366] r4:c623c780 <4>[ 97.122171] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.129576] r9:c6268000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000020 r4:00000020 <4>[ 97.137593] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.145427] Exception stack(0xc6269fa8 to 0xc6269ff0) <4>[ 97.150749] 9fa0: 00000020 00000020 00000001 b6e3a000 00000020 00000000 <4>[ 97.159197] 9fc0: 00000020 00000020 b6f81e00 00000004 00000001 00000000 00020000 beda0ac4 <4>[ 97.167640] 9fe0: 00000004 beda07f8 b6eebd8f b6e727e6 <4>[ 97.173011] irq event stamp: 0 <4>[ 97.176346] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.182221] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.189986] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.197783] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.203665] ---[ end trace 42e62c1453b9a1df ]--- <6>[ 97.208572] lkdtm: Saturation detected: still saturated # [ 96.874348] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 96.882790] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 96.892668] ------------[ cut here ]------------ # [ 96.898950] WARNING: CPU: 3 PID: 3171 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 96.907816] refcount_t: underflow; use-after-free. # [ 96.912911] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.942326] CPU: 3 PID: 3171 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 96.950338] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.957132] Backtrace: # [ 96.959864] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.967704] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.973636] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.981220] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.988453] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 # [ 96.996467] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.004217] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c6268000 # [ 97.010151] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.019465] r9:c1ad5ba4 r8:c15ebd0c r7:c6269f60 r6:00000020 r5:c6518000 r4:c6268000 # [ 97.027483] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.038196] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 97.050206] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.060470] r4:0000003a # [ 97.063273] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.071552] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.079737] r9:c6269f60 r8:c30236c0 r7:00000020 r6:b6e3a000 r5:c623c780 r4:c0c57e4c # [ 97.087756] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.095855] r9:c07e1b5c r8:c6269f60 r7:c2815800 r6:b6e3a000 r5:c623c780 r4:00000000 # [ 97.103867] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.111272] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c6268000 r5:c623c780 # [ 97.119366] r4:c623c780 # [ 97.122171] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.129576] r9:c6268000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000020 r4:00000020 # [ 97.137593] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.145427] Exception stack(0xc6269fa8 to 0xc6269ff0) # [ 97.150749] 9fa0: 00000020 00000020 00000001 b6e3a000 00000020 00000000 # [ 97.159197] 9fc0: 00000020 00000020 b6f81e00 00000004 00000001 00000000 00020000 beda0ac4 # [ 97.167640] 9fe0: 00000004 beda07f8 b6eebd8f b6e727e6 # [ 97.173011] irq event stamp: 0 # [ 97.176346] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.182221] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.189986] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.197783] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.203665] ---[ end trace 42e62c1453b9a1df ]--- # [ 97.208572] 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_S<6>[ 97.665450] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ATURATED.sh <6>[ 97.674673] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 97.682870] ------------[ cut here ]------------ <4>[ 97.687805] WARNING: CPU: 3 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 97.696633] refcount_t: underflow; use-after-free. <4>[ 97.701723] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.731136] CPU: 3 PID: 3207 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 97.739148] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.745940] Backtrace: <4>[ 97.748670] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.756510] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 97.762442] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.770026] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.777258] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 <4>[ 97.785273] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.793022] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c619e000 <4>[ 97.798954] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 97.808268] r9:c1ad5bc4 r8:c15ebd0c r7:c619ff60 r6:00000020 r5:c59a3000 r4:c619e000 <4>[ 97.816287] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 97.826998] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 97.839007] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.849272] r4:0000003b <4>[ 97.852077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.860355] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.868540] r9:c619ff60 r8:c30236c0 r7:00000020 r6:b6ded000 r5:c601cdc0 r4:c0c57e4c <4>[ 97.876559] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.884658] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6ded000 r5:c601cdc0 r4:00000000 <4>[ 97.892670] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.900074] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c619e000 r5:c601cdc0 <4>[ 97.908169] r4:c601cdc0 <4>[ 97.910973] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.918378] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000020 r4:00000020 <4>[ 97.926393] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.934228] Exception stack(0xc619ffa8 to 0xc619fff0) <4>[ 97.939550] ffa0: 00000020 00000020 00000001 b6ded000 00000020 00000000 <4>[ 97.947997] ffc0: 00000020 00000020 b6f34e00 00000004 00000001 00000000 00020000 befdfac4 <4>[ 97.956439] ffe0: 00000004 befdf7f8 b6e9ed8f b6e257e6 <4>[ 97.961811] irq event stamp: 0 <4>[ 97.965145] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.971024] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.978790] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.986601] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.992507] ---[ end trace 42e62c1453b9a1e0 ]--- <6>[ 97.997403] lkdtm: Saturation detected: still saturated # [ 97.665450] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 97.674673] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 97.682870] ------------[ cut here ]------------ # [ 97.687805] WARNING: CPU: 3 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 97.696633] refcount_t: underflow; use-after-free. # [ 97.701723] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic dw_hdmi_imx imx_ldb dw_hdmi parallel_display snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.731136] CPU: 3 PID: 3207 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 97.739148] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.745940] Backtrace: # [ 97.748670] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.756510] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 97.762442] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.770026] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.777258] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b54 # [ 97.785273] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.793022] r7:0000001c r6:c1a29b54 r5:c1a29b90 r4:c619e000 # [ 97.798954] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.808268] r9:c1ad5bc4 r8:c15ebd0c r7:c619ff60 r6:00000020 r5:c59a3000 r4:c619e000 # [ 97.816287] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.826998] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 97.839007] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.849272] r4:0000003b # [ 97.852077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.860355] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.868540] r9:c619ff60 r8:c30236c0 r7:00000020 r6:b6ded000 r5:c601cdc0 r4:c0c57e4c # [ 97.876559] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.884658] r9:c07e1b5c r8:c619ff60 r7:c2815800 r6:b6ded000 r5:c601cdc0 r4:00000000 # [ 97.892670] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.900074] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c619e000 r5:c601cdc0 # [ 97.908169] r4:c601cdc0 # [ 97.910973] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.918378] r9:c619e000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000020 r4:00000020 # [ 97.926393] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.934228] Exception stack(0xc619ffa8 to 0xc619fff0) # [ 97.939550] ffa0: 00000020 00000020 00000001 b6ded000 00000020 00000000 # [ 97.947997] ffc0: 00000020 00000020 b6f34e00 00000004 00000001 00000000 00020000 befdfac4 # [ 97.956439] ffe0: 00000004 befdf7f8 b6e9ed8f b6e257e6 # [ 97.961811] irq event stamp: 0 # [ 97.965145] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.971024] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.978790] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.986601] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.992507] ---[ end trace 42e62c1453b9a1e0 ]--- # [ 97.997403] 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>[ 98.807587] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 98.813959] lkdtm: attempting good copy_to_user of correct size <6>[ 98.820191] lkdtm: attempting bad copy_to_user of too large size # [ 98.807587] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 98.813959] lkdtm: attempting good copy_to_user of correct size # [ 98.820191] 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>[ 99.239146] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 99.245799] lkdtm: attempting good copy_from_user of correct size <6>[ 99.252260] lkdtm: attempting bad copy_from_user of too large size # [ 99.239146] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 99.245799] lkdtm: attempting good copy_from_user of correct size # [ 99.252260] 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>[ 99.668252] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 99.675082] lkdtm: attempting good copy_to_user inside whitelist <6>[ 99.681447] lkdtm: attempting bad copy_to_user outside whitelist # [ 99.668252] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 99.675082] lkdtm: attempting good copy_to_user inside whitelist # [ 99.681447] 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>[ 100.103229] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 100.110156] lkdtm: attempting good copy_from_user inside whitelist <6>[ 100.116702] lkdtm: attempting bad copy_from_user outside whitelist # [ 100.103229] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 100.110156] lkdtm: attempting good copy_from_user inside whitelist # [ 100.116702] 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>[ 100.530205] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 100.536737] lkdtm: good_stack: c63ebe0c-c63ebe2c <6>[ 100.541659] lkdtm: bad_stack : c63ebd84-c63ebda4 <6>[ 100.546561] lkdtm: attempting good copy_to_user of local stack <6>[ 100.552735] lkdtm: attempting bad copy_to_user of distant stack # [ 100.530205] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 100.536737] lkdtm: good_stack: c63ebe0c-c63ebe2c # [ 100.541659] lkdtm: bad_stack : c63ebd84-c63ebda4 # [ 100.546561] lkdtm: attempting good copy_to_user of local stack # [ 100.552735] 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>[ 100.977475] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 100.984167] lkdtm: good_stack: c6269e0c-c6269e2c <6>[ 100.989062] lkdtm: bad_stack : c6269d84-c6269da4 <6>[ 100.994074] lkdtm: attempting good copy_from_user of local stack <6>[ 101.000398] lkdtm: attempting bad copy_from_user of distant stack # [ 100.977475] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 100.984167] lkdtm: good_stack: c6269e0c-c6269e2c # [ 100.989062] lkdtm: bad_stack : c6269d84-c6269da4 # [ 100.994074] lkdtm: attempting good copy_from_user of local stack # [ 101.000398] 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>[ 101.425911] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 101.432366] lkdtm: good_stack: c62e3e0c-c62e3e2c <6>[ 101.437288] lkdtm: bad_stack : c62e3ffc-c62e401c <6>[ 101.442230] lkdtm: attempting good copy_to_user of local stack <6>[ 101.448379] lkdtm: attempting bad copy_to_user of distant stack # [ 101.425911] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 101.432366] lkdtm: good_stack: c62e3e0c-c62e3e2c # [ 101.437288] lkdtm: bad_stack : c62e3ffc-c62e401c # [ 101.442230] lkdtm: attempting good copy_to_user of local stack # [ 101.448379] 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>[ 101.864485] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 101.870262] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 <6>[ 101.877860] lkdtm: attempting bad copy_to_user from kernel text: c053daa4 <3>[ 101.885231] lkdtm: FAIL: survived bad copy_to_user() # [ 101.864485] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 101.870262] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 # [ 101.877860] lkdtm: attempting bad copy_to_user from kernel text: c053daa4 # [ 101.885231] 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>[ 102.313709] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 102.319656] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 102.327016] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 102.334252] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 102.340543] CPU: 0 PID: 3583 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 102.348559] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.355354] Backtrace: <4>[ 102.358094] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.365938] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 102.371873] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.379464] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 102.388262] r9:c1ad5ccc r8:c15ebd0c r7:c63ebf60 r6:c63ebe34 r5:c63ea000 r4:0000078d <4>[ 102.396285] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.405342] r8:c15ebd0c r7:c63ebf60 r6:00000012 r5:c5e4e000 r4:00000046 <4>[ 102.412318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.420602] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.428791] r9:c63ebf60 r8:c30236c0 r7:00000012 r6:b6e50000 r5:c623e640 r4:c0c57e4c <4>[ 102.436817] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 102.444921] r9:c07e1b5c r8:c63ebf60 r7:c2815800 r6:b6e50000 r5:c623e640 r4:00000000 <4>[ 102.452940] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.460349] r10:00000004 r9:00000000 r8:00000000 r7:b6e50000 r6:c63ea000 r5:c623e640 <4>[ 102.468445] r4:c623e640 <4>[ 102.471254] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.478661] r9:c63ea000 r8:c03002e4 r7:00000004 r6:b6f97e00 r5:00000012 r4:00000012 <4>[ 102.486680] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.494519] Exception stack(0xc63ebfa8 to 0xc63ebff0) <4>[ 102.499844] bfa0: 00000012 00000012 00000001 b6e50000 00000012 00000000 <4>[ 102.508296] bfc0: 00000012 00000012 b6f97e00 00000004 00000001 00000000 00020000 bed92ac4 <4>[ 102.516742] bfe0: 00000004 bed927f8 b6f01d8f b6e887e6 # [ 102.313709] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 102.319656] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 102.327016] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 102.334252] lkdtm: FAIL: the thread stack is NOT properly erased # [ 102.340543] CPU: 0 PID: 3583 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 102.348559] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.355354] Backtrace: # [ 102.358094] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.365938] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 102.371873] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.379464] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 102.388262] r9:c1ad5ccc r8:c15ebd0c r7:c63ebf60 r6:c63ebe34 r5:c63ea000 r4:0000078d # [ 102.396285] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.405342] r8:c15ebd0c r7:c63ebf60 r6:00000012 r5:c5e4e000 r4:00000046 # [ 102.412318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.420602] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.428791] r9:c63ebf60 r8:c30236c0 r7:00000012 r6:b6e50000 r5:c623e640 r4:c0c57e4c # [ 102.436817] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.444921] r9:c07e1b5c r8:c63ebf60 r7:c2815800 r6:b6e50000 r5:c623e640 r4:00000000 # [ 102.452940] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.460349] r10:00000004 r9:00000000 r8:00000000 r7:b6e50000 r6:c63ea000 r5:c623e640 # [ 102.468445] r4:c623e640 # [ 102.471254] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.478661] r9:c63ea000 r8:c03002e4 r7:00000004 r6:b6f97e00 r5:00000012 r4:00000012 # [ 102.486680] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.494519] Exception stack(0xc63ebfa8 to 0xc63ebff0) # [ 102.499844] bfa0: 00000012 00000012 00000001 b6e50000 00000012 00000000 # [ 102.508296] bfc0: 00000012 00000012 b6f97e00 00000004 00000001 00000000 00020000 bed92ac4 # [ 102.516742] bfe0: 00000004 bed927f8 b6f01d8f b6e887e6 # 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>[ 102.946543] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 102.952603] lkdtm: Calling matched prototype ... <6>[ 102.957523] lkdtm: Calling mismatched prototype ... <6>[ 102.962741] lkdtm: Fail: survived mismatched prototype function call! # [ 102.946543] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 102.952603] lkdtm: Calling matched prototype ... # [ 102.957523] lkdtm: Calling mismatched prototype ... # [ 102.962741] 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_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_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_selftests_lkdtm_unset_smep_sh skip lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_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_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_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_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_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 / #