[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 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 sst25vf016b 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 6 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 192.168.201.13 (8 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10723956/tftp-deploy-7cly_2ib/kernel/zImage tftp 0x10000000 10723956/tftp-deploy-7cly_2ib/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10723956/tftp-deploy-7cly_2ib/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 4.9 MiB/s done Bytes transferred = 12415488 (bd7200 hex) => tftp 0x14000000 10723956/tftp-deploy-7cly_2ib/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10723956/tftp-deploy-7cly_2ib/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10723956/tftp-deploy-7cly_2ib/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 3.5 MiB/s done Bytes transferred = 15457761 (ebdde1 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10723956/tftp-deploy-7cly_2ib/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10723956/tftp-deploy-7cly_2ib/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10723956/tftp-deploy-7cly_2ib/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.4 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10723956/extract-nfsrootfs-8blcazvt,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10723956/extract-nfsrootfs-8blcazvt,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbd7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15457697 Bytes = 14.7 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 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.184-cip35 (KernelCI@build-j35267-arm-gcc-10-multi-v7-defconfig-kselftest-xrlbs) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 14 11:31:00 UTC 2023 [ 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] 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/10723956/extract-nfsrootfs-8blcazvt,tcp,hard 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: 921420K/1048576K available (17408K kernel code, 2658K rwdata, 8108K rodata, 2048K init, 6693K bss, 61620K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55463 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 15ns [ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns [ 0.000040] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns [ 0.004600] Console: colour dummy device 80x30 [ 0.004667] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004696] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004725] ... MAX_LOCK_DEPTH: 48 [ 0.004752] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004778] ... CLASSHASH_SIZE: 4096 [ 0.004805] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004831] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004858] ... CHAINHASH_SIZE: 32768 [ 0.004884] memory used by lock dependency info: 4061 kB [ 0.004910] memory used for stack traces: 2112 kB [ 0.004937] per task-struct memory footprint: 1536 bytes [ 0.005037] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) [ 0.005089] pid_max: default: 32768 minimum: 301 [ 0.005448] LSM: Security Framework initializing [ 0.005555] LSM support for eBPF active [ 0.005697] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005748] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008268] CPU: Testing write buffer coherency: ok [ 0.008397] CPU0: Spectre v2: using BPIALL workaround [ 0.009410] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.012945] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015365] rcu: Hierarchical SRCU implementation. [ 0.024154] EFI services will not be available. [ 0.025334] smp: Bringing up secondary CPUs ... [ 0.028234] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.028249] CPU1: Spectre v2: using BPIALL workaround [ 0.031751] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.031766] CPU2: Spectre v2: using BPIALL workaround [ 0.034906] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.034920] CPU3: Spectre v2: using BPIALL workaround [ 0.035592] smp: Brought up 1 node, 4 CPUs [ 0.035627] SMP: Total of 4 processors activated (528.00 BogoMIPS). [ 0.035657] CPU: All CPU(s) started in SVC mode. [ 0.038039] devtmpfs: initialized [ 0.087186] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.089750] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.089822] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.094510] pinctrl core: initialized pinctrl subsystem [ 0.100942] DMI not present or invalid. [ 0.103102] NET: Registered protocol family 16 [ 0.112896] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.121548] thermal_sys: Registered thermal governor 'step_wise' [ 0.122051] cpuidle: using governor menu [ 0.122539] CPU identified as i.MX6Q, silicon rev 1.0 [ 0.756802] vdd1p1: supplied by regulator-dummy [ 0.783816] vdd3p0: supplied by regulator-dummy [ 0.810486] vdd2p5: supplied by regulator-dummy [ 0.837114] vddarm: supplied by regulator-dummy [ 0.864530] vddpu: supplied by regulator-dummy [ 0.890444] vddsoc: supplied by regulator-dummy [ 2.027404] No ATAGs? [ 2.027944] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.028022] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.044950] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.070484] Serial: AMBA PL011 UART driver [ 2.127022] Kprobes globally optimized [ 2.230134] iommu: Default domain type: Translated [ 2.232379] vgaarb: loaded [ 2.236792] SCSI subsystem initialized [ 2.238651] usbcore: registered new interface driver usbfs [ 2.239045] usbcore: registered new interface driver hub [ 2.239251] usbcore: registered new device driver usb [ 2.245971] i2c i2c-0: IMX I2C adapter registered [ 2.252131] i2c i2c-1: IMX I2C adapter registered [ 2.256134] i2c i2c-2: IMX I2C adapter registered [ 2.260359] pps_core: LinuxPPS API ver. 1 registered [ 2.260396] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.260485] PTP clock support registered [ 2.275263] clocksource: Switched to clocksource mxc_timer1 [ 3.837028] NET: Registered protocol family 2 [ 3.837806] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 3.840788] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 3.840960] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 3.841171] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 3.842609] TCP: Hash tables configured (established 8192 bind 8192) [ 3.843575] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 3.843897] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.844148] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.844863] NET: Registered protocol family 1 [ 3.847563] RPC: Registered named UNIX socket transport module. [ 3.847641] RPC: Registered udp transport module. [ 3.847677] RPC: Registered tcp transport module. [ 3.847711] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.847761] NET: Registered protocol family 44 [ 3.847823] PCI: CLS 0 bytes, default 64 [ 3.850102] Trying to unpack rootfs image as initramfs... [ 5.655779] Freeing initrd memory: 15096K [ 5.656909] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 5.657983] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 5.666278] Initialise system trusted keyrings [ 5.667210] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 5.711579] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.714811] NFS: Registering the id_resolver key type [ 5.714978] Key type id_resolver registered [ 5.715150] Key type id_legacy registered [ 5.715717] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.715816] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.716007] ntfs: driver 2.1.32 [Flags: R/O]. [ 5.717989] Key type asymmetric registered [ 5.718107] Asymmetric key parser 'x509' registered [ 5.718477] bounce: pool size: 64 pages [ 5.718626] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 5.718725] io scheduler mq-deadline registered [ 5.718761] io scheduler kyber registered [ 5.719622] test_firmware: interface ready [ 5.877742] mxs-dma 110000.dma-apbh: initialized [ 5.934950] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 5.935266] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.156519] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.174782] SuperH (H)SCI(F) driver initialized [ 6.177595] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.182194] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.111577] printk: console [ttymxc1] enabled [ 7.121784] msm_serial: driver initialized [ 7.127007] STMicroelectronics ASC driver initialized [ 7.138056] STM32 USART driver initialized [ 7.162333] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.182189] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.190531] panel-simple panel-lcd: Specify missing connector_type [ 7.198185] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.247873] brd: module loaded [ 7.301060] loop: module loaded [ 7.307269] lkdtm: No crash points registered, enable through debugfs [ 7.327858] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 7.335885] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 7.343926] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 7.352189] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 7.360188] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 7.368307] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 7.376013] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 7.387200] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 7.394222] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 7.403132] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 7.417069] scsi host0: ahci-imx [ 7.422435] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 7.481371] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 7.494371] pps pps0: new PPS source ptp0 [ 7.537792] fec 2188000.ethernet eth0: registered PHC device 0 [ 7.548028] e1000e: Intel(R) PRO/1000 Network Driver [ 7.553024] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.559238] igb: Intel(R) Gigabit Ethernet Network Driver [ 7.564666] igb: Copyright (c) 2007-2014 Intel Corporation. [ 7.590281] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 7.597901] usbcore: registered new interface driver pegasus [ 7.603791] usbcore: registered new interface driver asix [ 7.609427] usbcore: registered new interface driver ax88179_178a [ 7.615732] usbcore: registered new interface driver cdc_ether [ 7.621780] usbcore: registered new interface driver smsc75xx [ 7.627787] usbcore: registered new interface driver smsc95xx [ 7.633688] usbcore: registered new interface driver net1080 [ 7.639573] usbcore: registered new interface driver cdc_subset [ 7.645696] usbcore: registered new interface driver zaurus [ 7.651518] usbcore: registered new interface driver cdc_ncm [ 7.668926] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 7.675600] ehci-pci: EHCI PCI platform driver [ 7.680219] ehci-platform: EHCI generic platform driver [ 7.686452] ehci-orion: EHCI orion driver [ 7.691300] SPEAr-ehci: EHCI SPEAr driver [ 7.696173] ehci-st: EHCI STMicroelectronics driver [ 7.701851] ehci-exynos: EHCI Exynos driver [ 7.706858] ehci-atmel: EHCI Atmel driver [ 7.711662] tegra-ehci: Tegra EHCI driver [ 7.716545] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 7.722819] ohci-pci: OHCI PCI platform driver [ 7.727479] ohci-platform: OHCI generic platform driver [ 7.733598] SPEAr-ohci: OHCI SPEAr driver [ 7.738458] ohci-st: OHCI STMicroelectronics driver [ 7.744136] ohci-atmel: OHCI Atmel driver [ 7.752153] usbcore: registered new interface driver usb-storage [ 7.767503] ata1: SATA link down (SStatus 0 SControl 300) [ 7.773270] ahci-imx 2200000.sata: no device found, disabling link. [ 7.779639] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 7.787786] i2c /dev entries driver [ 7.866065] sdhci: Secure Digital Host Controller Interface driver [ 7.872279] sdhci: Copyright(c) Pierre Ossman [ 7.885453] Synopsys Designware Multimedia Card Interface Driver [ 7.898247] sdhci-pltfm: SDHCI platform and OF driver helper [ 7.907540] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 7.912738] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 7.919702] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 7.926196] ledtrig-cpu: registered to indicate activity on CPUs [ 7.935837] usbcore: registered new interface driver usbhid [ 7.941443] usbhid: USB HID core driver [ 7.956563] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 7.968074] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 7.968570] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 7.975987] IPv4 over IPsec tunneling driver [ 7.989505] NET: Registered protocol family 10 [ 7.999440] Segment Routing with IPv6 [ 8.004099] mmc2: new high speed SDHC card at address 0001 [ 8.008955] NET: Registered protocol family 17 [ 8.013351] mmcblk2: mmc2:0001 SD 14.8 GiB [ 8.016035] Key type dns_resolver registered [ 8.034589] ThumbEE CPU extension supported. [ 8.038989] Registering SWP/SWPB emulation handler [ 8.043134] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.045384] Loading compiled-in X.509 certificates [ 8.051352] GPT:29296874 != 30965759 [ 8.059721] GPT:Alternate GPT header not at the end of the disk. [ 8.065837] GPT:29296874 != 30965759 [ 8.069448] GPT: Use GNU Parted to correct GPT errors. [ 8.074694] mmcblk2: p1 p2 p3 [ 8.242135] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.250737] panel-simple panel-lcd: Specify missing connector_type [ 8.264404] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.302023] imx_usb 2184200.usb: No over current polarity defined [ 8.315371] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 8.320647] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 8.356594] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 8.375834] hub 1-0:1.0: USB hub found [ 8.381550] hub 1-0:1.0: 1 port detected [ 8.396688] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data [ 8.404039] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem [ 8.412287] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 [ 8.440644] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.449002] panel-simple panel-lcd: Specify missing connector_type [ 8.462559] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.494446] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.502801] panel-simple panel-lcd: Specify missing connector_type [ 8.516398] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.536261] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 8.567074] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.575498] panel-simple panel-lcd: Specify missing connector_type [ 8.589066] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.612422] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) [ 8.785345] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 8.993445] hub 1-1:1.0: USB hub found [ 8.998177] hub 1-1:1.0: 3 ports detected [ 9.031146] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.039535] panel-simple panel-lcd: Specify missing connector_type [ 9.053234] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 10.717165] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off [ 10.735250] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 10.766273] Sending DHCP requests ., OK [ 10.809499] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 [ 10.817805] IP-Config: Complete: [ 10.821108] device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 [ 10.831731] host=imx6q-sabrelite-lava-cbg-2, domain=lava-rack, nis-domain=(none) [ 10.839726] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.839765] nameserver0=192.168.201.1 [ 10.915309] Freeing unused kernel memory: 2048K [ 10.947140] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 15.382165] imx-ipuv3 2400000.ipu: IPUv3H probed [ 15.406090] imx-ipuv3 2800000.ipu: IPUv3H probed [ 15.409795] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.445779] panel-simple panel-lcd: Specify missing connector_type [ 15.475612] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.523288] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.528921] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.539742] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.548778] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.555638] panel-simple panel-lcd: Specify missing connector_type [ 15.582009] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.583243] CAN device driver interface [ 15.662698] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.742210] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.759364] panel-simple panel-lcd: Specify missing connector_type [ 15.802344] caam 2100000.crypto: Entropy delay = 3200 [ 15.816227] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.868293] caam 2100000.crypto: Instantiated RNG4 SH0 [ 15.929053] caam 2100000.crypto: Instantiated RNG4 SH1 [ 15.934288] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 15.941045] caam 2100000.crypto: job rings = 2, qi = 0 [ 15.976926] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 15.984866] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 15.995565] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 16.002158] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 16.035469] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 16.036815] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 16.044005] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 16.053779] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 16.065322] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 16.069549] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 16.071460] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 16.076683] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 16.100839] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.102611] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 16.109550] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.118145] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 16.125534] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.141996] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.161993] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.170653] panel-simple panel-lcd: Specify missing connector_type [ 16.188865] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.252058] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.260681] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.269371] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.278006] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.297412] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.309331] panel-simple panel-lcd: Specify missing connector_type [ 16.932446] caam algorithms registered in /proc/crypto [ 16.949064] caam 2100000.crypto: registering rng-caam [ 16.962233] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.005545] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.014066] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.022831] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.031360] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.052523] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.061077] panel-simple panel-lcd: Specify missing connector_type [ 17.077467] panel-simple panel-lvds0: supply power not found, using dummy regulator Begin: Loading essential drivers ... done. Begin: Running /scripts/init-prem[ 17.119018] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) ount ... done. Begin: Mounting r[ 17.129585] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) oot file system ... Begin: Runnin[ 17.140857] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) g /scripts/nfs-top ... done. [ 17.140995] random: crng init done Begin: Running /scripts/nfs-premo[ 17.151709] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) unt ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 19.259466] systemd[1]: System time before build time, advancing clock. [ 19.512625] 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) [ 19.538840] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 19.591309] systemd[1]: Set hostname to . [ 21.220575] systemd[1]: Queued start job for default target Graphical Interface. [ 21.236026] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 21.280265] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 21.329951] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 21.379626] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 21.429230] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 21.478389] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 21.526772] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 21.540478] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 21.576830] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 21.617075] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 21.655574] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 21.696233] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 21.740189] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 21.839347] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 21.852314] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 21.902014] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 21.952427] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 22.007000] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 22.050227] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 22.099982] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 22.110087] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 22.131508] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 22.178740] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 22.233634] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 22.298192] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 22.356683] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 22.420833] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 22.485174] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 22.521833] fuse: init (API version 7.32) [ 22.526155] systemd[1]: Starting Journal Service... Starting Journal Service... [ 22.586135] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 22.636344] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 22.686039] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 22.749601] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 22.788668] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 22.848442] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 22.956876] systemd[1]: modprobe@configfs.service: Succeeded. [ 22.967466] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 23.021722] systemd[1]: modprobe@drm.service: Succeeded. [ 23.032370] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 23.091702] systemd[1]: modprobe@fuse.service: Succeeded. [ 23.101875] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 23.161312] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 23.210963] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 23.278935] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 23.338143] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 23.397262] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 23.407083] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 23.427065] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 23.477993] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 23.540594] systemd[1]: Starting Create System Users... Starting Create System Users... [ 23.576083] 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... [ 24.030053] systemd-journald[275]: 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 ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ 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 ] 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... [ OK ] Started Network Name Resolution. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [* ] A start job is running for User Login Management (12s / 1min 39s) M [** ] A start job is running for User Login Management (13s / 1min 39s) M [ OK ] Started User Login Management. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ 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 5.10.184-cip35 #1 SMP Wed Jun 14 11:31:00 UTC 2023 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/10723956/extract-nfsrootfs-8blcazvt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10723956/extract-nfsrootfs-8blcazvt' / # 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-10723956/environment . /lava-10723956/environment / # /lava-10723956/bin/lava-test-runner /lava-10723956/0 /lava-10723956/bin/lava-test-runner /lava-10723956/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10723956/0/tests/0_timesync-off ++ cat uuid + UUID=10723956_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-10723956/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10723956_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/v5.10.182-cip35-191-gf4efde512959/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 --2023-06-14 11:50:43-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-191-gf4efde512959/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: 1408264 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 49.22K 185KB/s kselftest.tar.xz 15%[==> ] 217.50K 406KB/s kselftest.tar.xz 62%[===========> ] 858.07K 916KB/s kselftest.tar.xz 100%[===================>] 1.34M 1.25MB/s in 1.1s 2023-06-14 11:50:45 (1.25 MB/s) - 'kselftest.tar.xz' saved [1408264/1408264] 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 =============== [ 61.603710] 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 [ 62.688824] lkdtm: Performing direct entry BUG [ 62.693584] ------------[ cut here ]------------ [ 62.698215] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 62.703451] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 62.708600] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 62.737676] CPU: 3 PID: 697 Comm: cat Not tainted 5.10.184-cip35 #1 [ 62.743951] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 62.750495] PC is at lkdtm_BUG+0x14/0x18 [ 62.754428] LR is at lkdtm_do_action+0x2c/0x4c [ 62.758881] pc : [] lr : [] psr: a00e0013 [ 62.765157] sp : c61c5e58 ip : c61c5e68 fp : c61c5e64 [ 62.770389] r10: 00000004 r9 : c1acf074 r8 : c15ead50 [ 62.775621] r7 : c61c5f60 r6 : 00000004 r5 : c62d3000 r4 : 00000001 [ 62.782156] r3 : c0c53cd8 r2 : 65e1ceb7 r1 : ef7c05e0 r0 : c15ead58 [ 62.788693] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 62.795836] Control: 10c5387d Table: 1602404a DAC: 00000051 [ 62.801591] Process cat (pid: 697, stack limit = 0x41c4f5f1) [ 62.807258] Stack: (0xc61c5e58 to 0xc61c6000) [ 62.811627] 5e40: c61c5e74 c61c5e68 [ 62.819819] 5e60: c0c5376c c0c53ce4 c61c5e9c c61c5e78 c0c53c6c c0c5374c c0c53b4c c4759a40 [ 62.828007] 5e80: b6e73000 00000004 c307f9c0 c61c5f60 c61c5ec4 c61c5ea0 c07e066c c0c53b58 [ 62.836198] 5ea0: 00000000 c4759a40 b6e73000 c2815800 c61c5f60 c07e0608 c61c5f5c c61c5ec8 [ 62.844388] 5ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c61c4000 [ 62.852577] 5ee0: b6e73000 00020000 00000004 00000004 0001fffc c61c5ee0 00000001 b6e72000 [ 62.860765] 5f00: c602ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 62.868954] 5f20: 00000000 00000000 c13a14b0 65e1ceb7 c205e3e0 c4759a40 c4759a40 c61c4000 [ 62.877143] 5f40: b6e73000 00000000 00000000 00000004 c61c5f94 c61c5f60 c059b29c c059abf0 [ 62.885332] 5f60: 00000000 00000000 c61c5fac 65e1ceb7 00000004 00000004 b6fbae00 00000004 [ 62.893521] 5f80: c03002e4 c61c4000 c61c5fa4 c61c5f98 c059b32c c059b234 00000000 c61c5fa8 [ 62.901710] 5fa0: c03000c0 c059b320 00000004 00000004 00000001 b6e73000 00000004 00000000 [ 62.909898] 5fc0: 00000004 00000004 b6fbae00 00000004 00000001 00000000 00020000 be9f9ac4 [ 62.918087] 5fe0: 00000004 be9f97f8 b6f24d8f b6eab7e6 800e0030 00000001 00000000 00000000 [ 62.926268] Backtrace: [ 62.928735] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 62.936318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 62.944341] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 62.952271] r9:c61c5f60 r8:c307f9c0 r7:00000004 r6:b6e73000 r5:c4759a40 r4:c0c53b4c [ 62.960031] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 62.967873] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e73000 r5:c4759a40 r4:00000000 [ 62.975630] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 62.982777] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c61c4000 r5:c4759a40 [ 62.990612] r4:c4759a40 [ 62.993161] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 63.000308] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000004 r4:00000004 [ 63.008067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 63.015644] Exception stack(0xc61c5fa8 to 0xc61c5ff0) [ 63.020706] 5fa0: 00000004 00000004 00000001 b6e73000 00000004 00000000 [ 63.028896] 5fc0: 00000004 00000004 b6fbae00 00000004 00000001 00000000 00020000 be9f9ac4 [ 63.037081] 5fe0: 00000004 be9f97f8 b6f24d8f b6eab7e6 [ 63.042146] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 63.048255] ---[ end trace cceb88b828b13450 ]--- [ 63.052883] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.061763] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 697, name: cat [ 63.069425] INFO: lockdep is turned off. [ 63.073354] irq event stamp: 1606 [ 63.076691] hardirqs last enabled at (1605): [] console_unlock+0x4b0/0x6c0 [ 63.084534] hardirqs last disabled at (1606): [] __und_svc+0x60/0x6c [ 63.091773] softirqs last enabled at (1100): [] release_sock+0x8c/0xa8 [ 63.099267] softirqs last disabled at (1098): [] release_sock+0x28/0xa8 [ 63.106760] CPU: 3 PID: 697 Comm: cat Tainted: G D 5.10.184-cip35 #1 [ 63.114424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 63.120957] Backtrace: [ 63.123428] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 63.131008] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8 [ 63.136685] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 63.144018] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) [ 63.151776] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19cb57c r4:c61c4000 [ 63.159533] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 63.167373] r6:00000000 r5:00000031 r4:c19cb57c [ 63.172012] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) [ 63.179763] r6:00000001 r5:c61c4000 r4:c6785e80 [ 63.184402] [] (exit_signals) from [] (do_exit+0x100/0xafc) [ 63.191722] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c6785e80 [ 63.198439] [] (do_exit) from [] (make_task_dead+0x68/0x74) [ 63.205754] r7:c1e0f84c [ 63.208305] [] (make_task_dead) from [] (die+0x370/0x37c) [ 63.215452] [] (die) from [] (do_undefinstr+0x170/0x240) [ 63.222511] r10:00000004 r9:c61c4000 r8:c15ead50 r7:00000000 r6:c61c5dc8 r5:c0c53cec [ 63.230346] r4:e7f001f2 [ 63.232892] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 63.240816] Exception stack(0xc61c5dc8 to 0xc61c5e10) [ 63.245880] 5dc0: c15ead58 ef7c05e0 65e1ceb7 c0c53cd8 00000001 c62d3000 [ 63.254070] 5de0: 00000004 c61c5f60 c15ead50 c1acf074 00000004 c61c5e64 c61c5e68 c61c5e58 [ 63.262255] 5e00: c0c5376c c0c53cec a00e0013 ffffffff [ 63.267316] r7:c61c5dfc r6:ffffffff r5:a00e0013 r4:c0c53cf0 [ 63.272989] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 63.280569] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 63.288589] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 63.296519] r9:c61c5f60 r8:c307f9c0 r7:00000004 r6:b6e73000 r5:c4759a40 r4:c0c53b4c [ 63.304276] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 63.312118] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e73000 r5:c4759a40 r4:00000000 [ 63.319874] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 63.327021] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c61c4000 r5:c4759a40 [ 63.334857] r4:c4759a40 [ 63.337405] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 63.344551] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000004 r4:00000004 [ 63.352306] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 63.359881] Exception stack(0xc61c5fa8 to 0xc61c5ff0) [ 63.364943] 5fa0: 00000004 00000004 00000001 b6e73000 00000004 00000000 [ 63.373132] 5fc0: 00000004 00000004 b6fbae00 00000004 00000001 00000000 00020000 be9f9ac4 [ 63.381317] 5fe0: 00000004 be9f97f8 b6f24d8f b6eab7e6 # Segmentation fault # [ 62.688824] lkdtm: Performing direct entry BUG # [ 62.693584] ------------[ cut here ]------------ # [ 62.698215] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 62.703451] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 62.708600] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 62.737676] CPU: 3 PID: 697 Comm: cat Not tainted 5.10.184-cip35 #1 # [ 62.743951] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.750495] PC is at lkdtm_BUG+0x14/0x18 # [ 62.754428] LR is at lkdtm_do_action+0x2c/0x4c # [ 62.758881] pc : [] lr : [] psr: a00e0013 # [ 62.765157] sp : c61c5e58 ip : c61c5e68 fp : c61c5e64 # [ 62.770389] r10: 00000004 r9 : c1acf074 r8 : c15ead50 # [ 62.775621] r7 : c61c5f60 r6 : 00000004 r5 : c62d3000 r4 : 00000001 # [ 62.782156] r3 : c0c53cd8 r2 : 65e1ceb7 r1 : ef7c05e0 r0 : c15ead58 # [ 62.788693] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 62.795836] Control: 10c5387d Table: 1602404a DAC: 00000051 # [ 62.801591] Process cat (pid: 697, stack limit = 0x41c4f5f1) # [ 62.807258] Stack: (0xc61c5e58 to 0xc61c6000) # [ 62.811627] 5e40: c61c5e74 c61c5e68 # [ 62.819819] 5e60: c0c5376c c0c53ce4 c61c5e9c c61c5e78 c0c53c6c c0c5374c c0c53b4c c4759a40 # [ 62.828007] 5e80: b6e73000 00000004 c307f9c0 c61c5f60 c61c5ec4 c61c5ea0 c07e066c c0c53b58 # [ 62.836198] 5ea0: 00000000 c4759a40 b6e73000 c2815800 c61c5f60 c07e0608 c61c5f5c c61c5ec8 # [ 62.844388] 5ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c61c4000 # [ 62.852577] 5ee0: b6e73000 00020000 00000004 00000004 0001fffc c61c5ee0 00000001 b6e72000 # [ 62.860765] 5f00: c602ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 62.868954] 5f20: 00000000 00000000 c13a14b0 65e1ceb7 c205e3e0 c4759a40 c4759a40 c61c4000 # [ 62.877143] 5f40: b6e73000 00000000 00000000 00000004 c61c5f94 c61c5f60 c059b29c c059abf0 # [ 62.885332] 5f60: 00000000 00000000 c61c5fac 65e1ceb7 00000004 00000004 b6fbae00 00000004 # [ 62.893521] 5f80: c03002e4 c61c4000 c61c5fa4 c61c5f98 c059b32c c059b234 00000000 c61c5fa8 # [ 62.901710] 5fa0: c03000c0 c059b320 00000004 00000004 00000001 b6e73000 00000004 00000000 # [ 62.909898] 5fc0: 00000004 00000004 b6fbae00 00000004 00000001 00000000 00020000 be9f9ac4 # [ 62.918087] 5fe0: 00000004 be9f97f8 b6f24d8f b6eab7e6 800e0030 00000001 00000000 00000000 # [ 62.926268] Backtrace: # [ 62.928735] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.936318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.944341] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.952271] r9:c61c5f60 r8:c307f9c0 r7:00000004 r6:b6e73000 r5:c4759a40 r4:c0c53b4c # [ 62.960031] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.967873] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e73000 r5:c4759a40 r4:00000000 # [ 62.975630] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.982777] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c61c4000 r5:c4759a40 # [ 62.990612] r4:c4759a40 # [ 62.993161] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.000308] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000004 r4:00000004 # [ 63.008067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.015644] Exception stack(0xc61c5fa8 to 0xc61c5ff0) # [ 63.020706] 5fa0: 00000004 00000004 00000001 b6e73000 00000004 00000000 # [ 63.028896] 5fc0: 00000004 00000004 b6fbae00 00000004 00000001 00000000 00020000 be9f9ac4 # [ 63.037081] 5fe0: 00000004 be9f97f8 b6f24d8f b6eab7e6 # [ 63.042146] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 63.048255] ---[ end trace cceb88b828b13450 ]--- # [ 63.052883] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 63.061763] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 697, name: cat # [ 63.069425] INFO: lockdep is turned off. # [ 63.073354] irq event stamp: 1606 # [ 63.076691] hardirqs last enabled at (1605): [] console_unlock+0x4b0/0x6c0 # [ 63.084534] hardirqs last disabled at (1606): [] __und_svc+0x60/0x6c # [ 63.091773] softirqs last enabled at (1100): [] release_sock+0x8c/0xa8 # [ 63.099267] softirqs last disabled at (1098): [] release_sock+0x28/0xa8 # [ 63.106760] CPU: 3 PID: 697 Comm: cat Tainted: G D 5.10.184-cip35 #1 # [ 63.114424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.120957] Backtrace: # [ 63.123428] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 63.131008] [ 63.940888] lkdtm: Performing direct entry WARNING r7:ffffffff r6:600e0093 r5:00000[ 63.946652] ------------[ cut here ]------------ 000 r4:c1f0fcb8 # [ 63.136685][ 63.954025] WARNING: CPU: 2 PID: 768 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c [] (show_stack) from [[ 63.965362] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 ] (dump_stack+0xe0/0x10[ 63.997064] CPU: 2 PID: 768 Comm: cat Tainted: G D W 5.10.184-cip35 #1 0) # [ 63.144018] [][ 64.007512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) (dump_stack) from [] ([ 64.016902] Backtrace: ___might_sleep+0x188/0x2e0) # [ [ 64.022226] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 63.151776] r9:600e0093 r8:0000[ 64.032648] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 000b r7:c035c4c4 r6:00000031 r5:c[ 64.041175] [] (show_stack) from [] (dump_stack+0xe0/0x100) 19cb57c r4:c61c4000 # [ 63.159[ 64.051347] [] (dump_stack) from [] (__warn+0x98/0x14c) 533] [] (___might_sleep[ 64.061166] r9:00000009 r8:c0c53d38 r7:00000053 r6:00000009 r5:c0c53d38 r4:c1acf730 ) from [] (__might_slee[ 64.071772] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) p+0x70/0xb0) # [ 63.167373] r[ 64.082112] r7:00000053 r6:c1acf730 r5:00000000 r4:c5f40000 6:00000000 r5:00000031 r4:c19cb57[ 64.090640] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) c # [ 63.172012] [] [ 64.101588] r9:c1acf078 r8:c15ead50 r7:c5f41f60 r6:00000008 r5:c581c000 r4:00000002 (__might_sleep) from [][ 64.112196] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) (exit_signals+0x4c/0x420) # [ [ 64.122971] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 63.179763] r6:00000001 r5:c61c4[ 64.133847] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 000 r4:c6785e80 # [ 63.184402][ 64.144617] r9:c5f41f60 r8:c307f9c0 r7:00000008 r6:b6e64000 r5:c60cc500 r4:c0c53b4c [] (exit_signals) from[ 64.155228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [] (do_exit+0x100/0xaf[ 64.165913] r9:c07e0608 r8:c5f41f60 r7:c2815800 r6:b6e64000 r5:c60cc500 r4:00000000 c) # [ 63.191722] r8:0000000b[ 64.176519] [] (vfs_write) from [] (ksys_write+0x74/0xec) r7:c1e0f84c r6:ffffe000 r5:00000[ 64.186513] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c5f40000 r5:c60cc500 000 r4:c6785e80 # [ 63.198439][ 64.197199] r4:c60cc500 [] (do_exit) from [] (ksys_write) from [] (sys_write+0x18/0x1c) 35e3c0>] (make_task_dead+0x68/0x7[ 64.212598] r9:c5f40000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:00000008 r4:00000008 4) # [ 63.205754] r7:c1e0f84c[ 64.223209] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.208305] [] ([ 64.233629] Exception stack(0xc5f41fa8 to 0xc5f41ff0) make_task_dead) from [][ 64.241549] 1fa0: 00000008 00000008 00000001 b6e64000 00000008 00000000 (die+0x370/0x37c) # [ 63.2154[ 64.252588] 1fc0: 00000008 00000008 b6fabe00 00000004 00000001 00000000 00020000 beaa6ac4 52] [] (die) from [] (do_undefinstr+0x170/0x24[ 64.271601] irq event stamp: 0 0) # [ 63.222511] r10:0000000[ 64.277488] hardirqs last enabled at (0): [<00000000>] 0x0 4 r9:c61c4000 r8:c15ead50 r7:0000[ 64.285941] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 0000 r6:c61c5dc8 r5:c0c53cec # [[ 64.296306] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 63.230346] r4:e7f001f2 # [ [ 64.306654] softirqs last disabled at (0): [<00000000>] 0x0 63.232892] [] (do_unde[ 64.315062] ---[ end trace cceb88b828b13451 ]--- finstr) from [] (__und_svc_finish+0x0/0x54) # [ 63.240816] Exception stack(0xc61c5dc8 to 0xc61c5e10) # [ 63.245880] 5dc0: c15ead58 ef7c05e0 65e1ceb7 c0c53cd8 00000001 c62d3000 # [ 63.254070] 5de0: 00000004 c61c5f60 c15ead50 c1acf074 00000004 c61c5e64 c61c5e68 c61c5e58 # [ 63.262255] 5e00: c0c5376c c0c53cec a00e0013 ffffffff # [ 63.267316] r7:c61c5dfc r6:ffffffff r5:a00e0013 r4:c0c53cf0 # [ 63.272989] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.280569] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.288589] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.296519] r9:c61c5f60 r8:c307f9c0 r7:00000004 r6:b6e73000 r5:c4759a40 r4:c0c53b4c # [ 63.304276] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.312118] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e73000 r5:c4759a40 r4:00000000 # [ 63.319874] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.327021] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c61c4000 r5:c4759a40 # [ 63.334857] r4:c4759a40 # [ 63.337405] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.344551] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000004 r4:00000004 # [ 63.352306] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.359881] Exception stack(0xc61c5fa8 to 0xc61c5ff0) # [ 63.364943] 5fa0: 00000004 00000004 00000001 b6e73000 00000004 00000000 # [ 63.373132] 5fc0: 00000004 00000004 b6fbae00 00000004 00000001 00000000 00020000 be9f9ac4 # [ 63.381317] 5fe0: 00000004 be9f97f8 b6f24d8f b6eab7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 63.940888] lkdtm: Performing direct entry WARNING # [ 63.946652] ------------[ cut here ]------------ # [ 63.954025] WARNING: CPU: 2 PID: 768 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 63.965362] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 63.997064] CPU: 2 PID: 768 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 64.007512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.016902] Backtrace: # [ 64.022226] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.032648] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 64.041175] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.051347] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.061166] r9:00000009 r8:c0c53d38 r7:00000053 r6:00000009 r5:c0c53d38 r4:c1acf730 # [ 64.071772] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.082112] r7:00000053 r6:c1acf730 r5:00000000 r4:c5f40000 # [ 64.090640] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 64.101588] r9:c1acf078 r8:c15ead50 r7:c5f41f60 r6:00000008 r5:c581c000 r4:00000002 # [ 64.112196] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.122971] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.133847] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.144617] r9:c5f41f60 r8:c307f9c0 r7:00000008 r6:b6e64000 r5:c60cc500 r4:c0c53b4c # [ 64.155228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.165913] r9:c07e0608 r8:c5f41f60 r7:c2815800 r6:b6e64000 r5:c60cc500 r4:00000000 # [ 64.176519] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.186513] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c5f40000 r5:c60cc500 # [ 64.197199] r4:c60cc500 # [ 64.202604] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.212598] r9:c5f40000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:00000008 r4:00000008 # [ 64.223209] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.233629] Exception stack(0xc5f41fa8 to 0xc5f41ff0) # [ 64.241549] 1fa0: 00000008 00000008 00000001 b6e64000 000000[ 64.713502] lkdtm: Performing direct entry WARNING_MESSAGE 08 00000000 # [ 64.252588] 1fc[ 64.721121] ------------[ cut here ]------------ 0: 00000008 00000008 b6fabe00 000[ 64.728646] WARNING: CPU: 3 PID: 803 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 00004 00000001 00000000 00020000 [ 64.740577] Warning message trigger count: 2 beaa6ac4 # [ 64.263623] 1fe0: [ 64.747702] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 00000004 beaa67f8 b6f15d8f b6e9c7[ 64.779418] CPU: 3 PID: 803 Comm: cat Tainted: G D W 5.10.184-cip35 #1 e6 # [ 64.271601] irq event st[ 64.789884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) amp: 0 # [ 64.277488] hardirqs[ 64.799273] Backtrace: last enabled at (0): [<00000000[ 64.804600] [] (dump_backtrace) from [] (show_stack+0x20/0x24) >] 0x0 # [ 64.285941] hardirqs[ 64.815019] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 last disabled at (0): [] (show_stack) from [] (dump_stack+0xe0/0x100) >] copy_process+0x5f8/0x1944 # [[ 64.833720] [] (dump_stack) from [] (__warn+0x98/0x14c) 64.296306] softirqs last enab[ 64.843534] r9:00000009 r8:c0c53d88 r7:00000058 r6:00000009 r5:c0c53d88 r4:c1acf730 led at (0): [] copy_pro[ 64.854143] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) cess+0x5f8/0x1944 # [ 64.30665[ 64.864482] r7:00000058 r6:c1acf730 r5:c1acf74c r4:c61c4000 4] softirqs last disabled at (0):[ 64.873009] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [<00000000>] 0x0 # [ 64.31506[ 64.884652] r9:c1acf080 r8:c15ead50 r7:c61c5f60 r6:00000010 r5:c62d3000 r4:00000003 2] ---[ end trace cceb88b828b1345[ 64.895257] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 1 ]--- # WARNING: saw 'WARNING:'[ 64.906727] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : ok ok 3 selftests: lkdtm: WARN[ 64.917598] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ING.sh # selftests: lkdtm: WARNI[ 64.928368] r9:c61c5f60 r8:c307f9c0 r7:00000010 r6:b6ea6000 r5:c470aa00 r4:c0c53b4c NG_MESSAGE.sh [ 64.938977] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 64.948099] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6ea6000 r5:c470aa00 r4:00000000 [ 64.955853] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 64.963001] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c61c4000 r5:c470aa00 [ 64.970835] r4:c470aa00 [ 64.973384] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 64.980530] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000010 r4:00000010 [ 64.988288] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 64.995865] Exception stack(0xc61c5fa8 to 0xc61c5ff0) [ 65.000929] 5fa0: 00000010 00000010 00000001 b6ea6000 00000010 00000000 [ 65.009118] 5fc0: 00000010 00000010 b6fede00 00000004 00000001 00000000 00020000 beca4ac4 [ 65.017304] 5fe0: 00000004 beca47f8 b6f57d8f b6ede7e6 [ 65.022443] irq event stamp: 0 [ 65.025550] hardirqs last enabled at (0): [<00000000>] 0x0 [ 65.031146] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 65.038720] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 65.046285] softirqs last disabled at (0): [<00000000>] 0x0 [ 65.051880] ---[ end trace cceb88b828b13452 ]--- # [ 64.713502] lkdtm: Performing direct entry WARNING_MESSAGE # [ 64.721121] ------------[ cut here ]------------ # [ 64.728646] WARNING: CPU: 3 PID: 803 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 64.740577] Warning message trigger count: 2 # [ 64.747702] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 64.779418] CPU: 3 PID: 803 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 64.789884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.799273] Backtrace: # [ 64.804600] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.815019] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 64.823547] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.833720] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.843534] r9:00000009 r8:c0c53d88 r7:00000058 r6:00000009 r5:c0c53d88 r4:c1acf730 # [ 64.854143] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.864482] r7:00000058 r6:c1acf730 r5:c1acf74c r4:c61c4000 # [ 64.873009] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 64.884652] r9:c1acf080 r8:c15ead50 r7:c61c5f60 r6:00000010 r5:c62d3000 r4:00000003 # [ 64.895257] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.906727] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.917598] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.928368] r9:c61c5f60 r8:c307f9c0 r7:00000010 r6:b6ea6000 r5:c470aa00 r4:c0c53b4c # [ 64.938977] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.948099] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6ea6000 r5:c470aa00 r4:00000000 # [ 64.955853] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.963001] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c61c4000 r5:c470aa00 # [ 64.970835] r4:c470aa00 # [ 64.973384] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.980530] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000010 r4:00000010 # [ 64.988288] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.995865] Exception stack(0xc61c5fa8 to 0xc61c5ff0) # [ 65.000929] 5fa0: 00000010 00000010 00000001 b6ea6000 00000010 00000000 # [ 65.009118] 5fc0: 00000010 00000010 b6fede00 00000004 00000001 00000000 00020000 beca4ac4 # [ 65.017304] 5fe0: 00000004 beca47f8 b6f57d8f b6ede7e6 # [ 65.022443] irq event stamp: 0 # [ 65.025550] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.031146] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 65.038720] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 65.046285] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.051880] ---[ end trace cceb88b828b13452 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 65.462844] lkdtm: Performing direct entry EXCEPTION [ 65.467910] 8<--- cut here --- [ 65.470984] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 65.479171] pgd = 8b1074cf [ 65.481911] [00000000] *pgd=00000000 [ 65.485555] Internal error: Oops: 805 [#2] SMP ARM [ 65.490359] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 65.519425] CPU: 1 PID: 835 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 65.527091] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 65.533638] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 65.538093] LR is at lkdtm_do_action+0x2c/0x4c [ 65.542548] pc : [] lr : [] psr: a00e0013 [ 65.548823] sp : c6243e58 ip : c6243e68 fp : c6243e64 [ 65.554056] r10: 0000000a r9 : c1acf090 r8 : c15ead50 [ 65.559290] r7 : c6243f60 r6 : 0000000a r5 : c5c60000 r4 : 00000004 [ 65.565824] r3 : 00000000 r2 : fc6afda7 r1 : ef7965e0 r0 : c15ead70 [ 65.572360] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 65.579505] Control: 10c5387d Table: 1600404a DAC: 00000051 [ 65.585262] Process cat (pid: 835, stack limit = 0x89e3de91) [ 65.590932] Stack: (0xc6243e58 to 0xc6244000) [ 65.595301] 3e40: c6243e74 c6243e68 [ 65.603490] 3e60: c0c5376c c0c53d9c c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c5d27180 [ 65.611680] 3e80: b6ea4000 0000000a c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 [ 65.619869] 3ea0: 00000000 c5d27180 b6ea4000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 [ 65.628059] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 [ 65.636251] 3ee0: b6ea4000 00020000 00000004 0000000a 0001fff6 c6243ee0 00000001 b6ea3000 [ 65.644439] 3f00: c61d48c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 65.652630] 3f20: 00000000 00000000 c13a14b0 fc6afda7 c205e3e0 c5d27180 c5d27180 c6242000 [ 65.660818] 3f40: b6ea4000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 [ 65.669007] 3f60: 00000000 00000000 c6243fac fc6afda7 0000000a 0000000a b6febe00 00000004 [ 65.677196] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 [ 65.685383] 3fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6ea4000 0000000a 00000000 [ 65.693573] 3fc0: 0000000a 0000000a b6febe00 00000004 00000001 00000000 00020000 beb35ac4 [ 65.701762] 3fe0: 00000004 beb357f8 b6f55d8f b6edc7e6 800e0030 00000001 00000000 00000000 [ 65.709943] Backtrace: [ 65.712413] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 65.720517] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 65.728541] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 65.736472] r9:c6243f60 r8:c307f9c0 r7:0000000a r6:b6ea4000 r5:c5d27180 r4:c0c53b4c [ 65.744233] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 65.752076] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6ea4000 r5:c5d27180 r4:00000000 [ 65.759832] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 65.766979] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6242000 r5:c5d27180 [ 65.774815] r4:c5d27180 [ 65.777364] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 65.784511] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:0000000a r4:0000000a [ 65.792272] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 65.799848] Exception stack(0xc6243fa8 to 0xc6243ff0) [ 65.804909] 3fa0: 0000000a 0000000a 00000001 b6ea4000 0000000a 00000000 [ 65.813099] 3fc0: 0000000a 0000000a b6febe00 00000004 00000001 00000000 00020000 beb35ac4 [ 65.821286] 3fe0: 00000004 beb357f8 b6f55d8f b6edc7e6 [ 65.826351] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 65.832561] ---[ end trace cceb88b828b13453 ]--- # Segmentation fault # [ 65.462844] lkdtm: Performing direct entry EXCEPTION # [ 65.467910] 8<--- cut here --- # [ 65.470984] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 65.479171] pgd = 8b1074cf # [ 65.481911] [00000000] *pgd=00000000 # [ 65.485555] Internal error: Oops: 805 [#2] SMP ARM # [ 65.490359] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 65.519425] CPU: 1 PID: 835 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 65.527091] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.533638] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 65.538093] LR is at lkdtm_do_action+0x2c/0x4c # [ 65.542548] pc : [] lr : [] psr: a00e0013 # [ 65.548823] sp : c6243e58 ip : c6243e68 fp : c6243e64 # [ 65.554056] r10: 0000000a r9 : c1acf090 r8 : c15ead50 # [ 65.559290] r7 : c6243f60 r6 : 0000000a r5 : c5c60000 r4 : 00000004 # [ 65.565824] r3 : 00000000 r2 : fc6afda7 r1 : ef7965e0 r0 : c15ead70 # [ 65.572360] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 65.579505] Control: 10c5387d Table: 1600404a DAC: 00000051 # [ 65.585262] Process cat (pid: 835, stack limit = 0x89e3de91) # [ 65.590932] Stack: (0xc6243e58 to 0xc6244000) # [ 65.595301] 3e40: c6243e74 c6243e68 # [ 65.603490] 3e60: c0c5376c c0c53d9c c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c5d27180 # [ 65.611680] 3e80: b6ea4000 0000000a c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 # [ 65.619869] 3ea0: 00000000 c5d27180 b6ea4000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 # [ 65.628059] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 # [ 65.636251] 3ee0: b6ea4000 00020000 00000004 0000000a 0001fff6 c6243ee0 00000001 b6ea3000 # [ 65.644439] 3f00: c61d48c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 65.652630] 3f20: 00000000 00000000 c13a14b0 fc6afda7 c205e3e0 c5d27180 c5d27180 c6242000 # [ 65.660818] 3f40: b6ea4000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 # [ 65.669007] 3f60: 00000000 00000000 c6243fac fc6afda7 0000000a 0000000a b6febe00 00000004 # [ 65.677196] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 # [ 65.685383] 3fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6ea4000 0000000a 00000000 # [ 65.693573] 3fc0: 0000000a 0000000a b6febe00 00000004 00000001 00000000 00020000 beb35ac4 # [ 65.701762] 3fe0: 00000004 beb357f8 b6f55d8f b6edc7e6 800e0030 00000001 00000000 00000000 # [ 65.709943] Backtrace: # [ 65.712413] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.720517] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.728541] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.736472] r9:c6243f60 r8:c307f9c0 r7:0000000a r6:b6ea4000 r5:c5d27180 r4:c0c53b4c # [ 65.744233] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.752076] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6ea4000 r5:c5d27180 r4:00000000 # [ 65.759832] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.766979] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6242000 r5:c5d27180 # [ 65.774815] r4:c5d27180 # [ 65.777364] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.784511] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:0000000a r4:0000000a # [ 65.792272] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.799848] Exception stack(0xc6243fa8 to 0xc6243ff0) # [ 65.804909] 3fa0: 0000000a 0000000a 00000001 b6ea4000 0000000a 00000000 # [ 65.813099] 3fc0: 0000000a 0000000a b6febe00 00000004 00000001 00000000 00020000 beb35ac4 # [ 65.821286] 3fe0: 00000004 beb357f8 b6f55d8f b6edc7e6 # [ 65.826351] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 65.832561] ---[ end trace cceb88b828b13453 ]--- # 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 [ 67.212778] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 67.218497] lkdtm: attempting good list addition [ 67.223153] lkdtm: attempting corrupted list addition [ 67.228318] lkdtm: list_add() corruption not detected! # [ 67.212778] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.218497] lkdtm: attempting good list addition # [ 67.223153] lkdtm: attempting corrupted list addition # [ 67.228318] 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 [ 67.633101] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 67.638857] lkdtm: attempting good list removal [ 67.643425] lkdtm: attempting corrupted list removal [ 67.648570] lkdtm: list_del() corruption not detected! # [ 67.633101] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.638857] lkdtm: attempting good list removal # [ 67.643425] lkdtm: attempting corrupted list removal # [ 67.648570] 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 [ 68.046767] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 68.053059] lkdtm: attempting bad read from page below current stack [ 68.059497] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.046767] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.053059] lkdtm: attempting bad read from page below current stack # [ 68.059497] 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 [ 68.461238] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 68.467665] lkdtm: attempting bad read from page above current stack [ 68.474033] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 68.461238] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.467665] lkdtm: attempting bad read from page above current stack # [ 68.474033] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh [ 68.888102] lkdtm: Performing direct entry UNSET_SMEP [ 68.893178] lkdtm: XFAIL: this test is x86_64-only # [ 68.888102] lkdtm: Performing direct entry UNSET_SMEP # [ 68.893178] 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 [ 69.280766] lkdtm: Performing direct entry DOUBLE_FAULT [ 69.286077] lkdtm: XFAIL: this test is ia32-only # [ 69.280766] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.286077] 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 [ 69.677356] lkdtm: Performing direct entry CORRUPT_PAC [ 69.682521] lkdtm: XFAIL: this test is arm64-only # [ 69.677356] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.682521] 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 [ 70.086495] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 70.092987] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.086495] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.092987] 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 [ 70.917700] lkdtm: Performing direct entry READ_AFTER_FREE [ 70.923243] lkdtm: Value in memory before free: 12345678 [ 70.928711] lkdtm: Attempting bad read from freed memory [ 70.934059] lkdtm: Memory was not poisoned # [ 70.917700] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.923243] lkdtm: Value in memory before free: 12345678 # [ 70.928711] lkdtm: Attempting bad read from freed memory # [ 70.934059] 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 [ 71.551708] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 71.557900] lkdtm: Value in memory before free: 12345678 [ 71.563254] lkdtm: Attempting to read from freed memory [ 71.568585] lkdtm: Buddy page was not poisoned # [ 71.551708] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.557900] lkdtm: Value in memory before free: 12345678 # [ 71.563254] lkdtm: Attempting to read from freed memory # [ 71.568585] 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 [ 71.960808] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 71.966616] lkdtm: Attempting double slab free ... # [ 71.960808] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.966616] 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 [ 72.345359] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 72.350885] lkdtm: Attempting cross-cache slab free ... # [ 72.345359] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.350885] 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 [ 72.744141] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 72.749691] lkdtm: Attempting non-Slab slab free ... # [ 72.744141] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.749691] 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 [ 74.026243] lkdtm: Performing direct entry EXEC_DATA [ 74.031260] lkdtm: attempting ok execution at c0c544dc [ 74.036566] lkdtm: attempting bad execution at c26f8924 [ 74.041841] 8<--- cut here --- [ 74.044921] Unable to handle kernel paging request at virtual address c26f8924 [ 74.052161] pgd = c5ae839f [ 74.054878] [c26f8924] *pgd=1261141e(bad) [ 74.058915] Internal error: Oops: 8000000d [#3] SMP ARM [ 74.064151] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 74.093227] CPU: 3 PID: 1678 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 74.100979] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 74.107524] PC is at data_area+0x0/0x40 [ 74.111379] LR is at execute_location+0xa4/0xb4 [ 74.115919] pc : [] lr : [] psr: 600e0013 [ 74.122194] sp : c5f47e38 ip : 00000027 fp : c5f47e54 [ 74.127427] r10: 0000000a r9 : c1acf274 r8 : c15ead50 [ 74.132660] r7 : c5f47f60 r6 : 00000001 r5 : c26f8924 r4 : c0c544dc [ 74.139194] r3 : bf7c6db3 r2 : bf7c6db3 r1 : ef7c05e4 r0 : 0000002b [ 74.145731] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 74.152875] Control: 10c5387d Table: 1602404a DAC: 00000051 [ 74.158629] Process cat (pid: 1678, stack limit = 0xd2268f4c) [ 74.164383] Stack: (0xc5f47e38 to 0xc5f48000) [ 74.168752] 7e20: 0000001f c5ac7000 [ 74.176942] 7e40: 0000000a c5f47f60 c5f47e64 c5f47e58 c138c164 c138bf60 c5f47e74 c5f47e68 [ 74.185132] 7e60: c0c5376c c138c14c c5f47e9c c5f47e78 c0c53c6c c0c5374c c0c53b4c c61bd400 [ 74.193321] 7e80: b6e4b000 0000000a c307f9c0 c5f47f60 c5f47ec4 c5f47ea0 c07e066c c0c53b58 [ 74.201510] 7ea0: 00000000 c61bd400 b6e4b000 c2815800 c5f47f60 c07e0608 c5f47f5c c5f47ec8 [ 74.209699] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c04780e4 c059b29c c5f46000 [ 74.217887] 7ee0: b6e4b000 00020000 00000004 0000000a 0001fff6 c5f47ee0 00000001 00000000 [ 74.226074] 7f00: c602b7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 74.234265] 7f20: 00000000 00000000 c5f47f6c bf7c6db3 c030f238 c61bd400 c61bd400 c5f46000 [ 74.242454] 7f40: b6e4b000 00000000 00000000 00000004 c5f47f94 c5f47f60 c059b29c c059abf0 [ 74.250644] 7f60: 00000000 00000000 c0477d68 bf7c6db3 0000000a 0000000a b6f92e00 00000004 [ 74.258833] 7f80: c03002e4 c5f46000 c5f47fa4 c5f47f98 c059b32c c059b234 00000000 c5f47fa8 [ 74.267022] 7fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 [ 74.275211] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 becffac4 [ 74.283399] 7fe0: 00000004 becff7f8 b6efcd8f b6e837e6 800e0030 00000001 00000000 00000000 [ 74.291581] Backtrace: [ 74.294054] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 74.302245] r7:c5f47f60 r6:0000000a r5:c5ac7000 r4:0000001f [ 74.307921] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 74.316023] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 74.324046] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 74.331974] r9:c5f47f60 r8:c307f9c0 r7:0000000a r6:b6e4b000 r5:c61bd400 r4:c0c53b4c [ 74.339737] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 74.347578] r9:c07e0608 r8:c5f47f60 r7:c2815800 r6:b6e4b000 r5:c61bd400 r4:00000000 [ 74.355335] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 74.362481] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c5f46000 r5:c61bd400 [ 74.370316] r4:c61bd400 [ 74.372863] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 74.380009] r9:c5f46000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000000a r4:0000000a [ 74.387768] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 74.395344] Exception stack(0xc5f47fa8 to 0xc5f47ff0) [ 74.400406] 7fa0: 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 [ 74.408595] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 becffac4 [ 74.416781] 7fe0: 00000004 becff7f8 b6efcd8f b6e837e6 [ 74.421846] Code: 00000000 c2c066c0 c2c06780 c2c06840 (e1a0c00d) [ 74.427953] ---[ end trace cceb88b828b13454 ]--- # Segmentation fault # [ 74.026243] lkdtm: Performing direct entry EXEC_DATA # [ 74.031260] lkdtm: attempting ok execution at c0c544dc # [ 74.036566] lkdtm: attempting bad execution at c26f8924 # [ 74.041841] 8<--- cut here --- # [ 74.044921] Unable to handle kernel paging request at virtual address c26f8924 # [ 74.052161] pgd = c5ae839f # [ 74.054878] [c26f8924] *pgd=1261141e(bad) # [ 74.058915] Internal error: Oops: 8000000d [#3] SMP ARM # [ 74.064151] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 74.093227] CPU: 3 PID: 1678 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 74.100979] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.107524] PC is at data_area+0x0/0x40 # [ 74.111379] LR is at execute_location+0xa4/0xb4 # [ 74.115919] pc : [] lr : [] psr: 600e0013 # [ 74.122194] sp : c5f47e38 ip : 00000027 fp : c5f47e54 # [ 74.127427] r10: 0000000a r9 : c1acf274 r8 : c15ead50 # [ 74.132660] r7 : c5f47f60 r6 : 00000001 r5 : c26f8924 r4 : c0c544dc # [ 74.139194] r3 : bf7c6db3 r2 : bf7c6db3 r1 : ef7c05e4 r0 : 0000002b # [ 74.145731] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.152875] Control: 10c5387d Table: 1602404a DAC: 00000051 # [ 74.158629] Process cat (pid: 1678, stack limit = 0xd2268f4c) # [ 74.164383] Stack: (0xc5f47e38 to 0xc5f48000) # [ 74.168752] 7e20: 0000001f c5ac7000 # [ 74.176942] 7e40: 0000000a c5f47f60 c5f47e64 c5f47e58 c138c164 c138bf60 c5f47e74 c5f47e68 # [ 74.185132] 7e60: c0c5376c c138c14c c5f47e9c c5f47e78 c0c53c6c c0c5374c c0c53b4c c61bd400 # [ 74.193321] 7e80: b6e4b000 0000000a c307f9c0 c5f47f60 c5f47ec4 c5f47ea0 c07e066c c0c53b58 # [ 74.201510] 7ea0: 00000000 c61bd400 b6e4b000 c2815800 c5f47f60 c07e0608 c5f47f5c c5f47ec8 # [ 74.209699] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c04780e4 c059b29c c5f46000 # [ 74.217887] 7ee0: b6e4b000 00020000 00000004 0000000a 0001fff6 c5f47ee0 00000001 00000000 # [ 74.226074] 7f00: c602b7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.234265] 7f20: 00000000 00000000 c5f47f6c bf7c6db3 c030f238 c61bd400 c61bd400 c5f46000 # [ 74.242454] 7f40: b6e4b000 00000000 00000000 00000004 c5f47f94 c5f47f60 c059b29c c059abf0 # [ 74.250644] 7f60: 00000000 00000000 c0477d68 bf7c6db3 0000000a 0000000a b6f92e00 00000004 # [ 74.258833] 7f80: c03002e4 c5f46000 c5f47fa4 c5f47f98 c059b32c c059b234 00000000 c5f47fa8 # [ 74.267022] 7fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 # [ 74.275211] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 becffac4 # [ 74.283399] 7fe0: 00000004 becff7f8 b6efcd8f b6e837e6 800e0030 00000001 00000000 00000000 # [ 74.291581] Backtrace: # [ 74.294054] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 74.302245] r7:c5f47f60 r6:0000000a r5:c5ac7000 r4:0000001f # [ 74.307921] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.316023] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.324046] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.331974] r9:c5f47f60 r8:c307f9c0 r7:0000000a r6:b6e4b000 r5:c61bd400 r4:c0c53b4c # [ 74.339737] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.347578] r9:c07e0608 r8:c5f47f60 r7:c2815800 r6:b6e4b000 r5:c61bd400 r4:00000000 # [ 74.355335] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.362481] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c5f46000 r5:c61bd400 # [ 74.370316] r4:c61bd400 # [ 74.372863] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.380009] r9:c5f46000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000000a r4:0000000a # [ 74.387768] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.395344] Exception sta[ 74.903740] lkdtm: Performing direct entry EXEC_STACK ck(0xc5f47fa8 to 0xc5f47ff0) # [[ 74.910932] lkdtm: attempting ok execution at c0c544dc 74.400406] 7fa0: [ 74.918943] lkdtm: attempting bad execution at c66d9e0c 0000000a 0000000a 00000001 b[ 74.926993] 8<--- cut here --- 6e4b000 0000000[a 0 07040.09030864] Unable to handle kernel paging request at virtual address c66d9e0c 0 # [ 74.40859[5 ] 77f4c.09:2082] pgd = 73d3af1d 0000000a 0000000a b6f92e00 00000 74.946871] [c66d9e0c] *pgd=1661141e(bad) 004 00000001 00000000 [0 0 0 2704.953659] Internal error: Oops: 8000000d [#4] SMP ARM 00 becffac4 # [ 74.416781] 7fe[ 74.961223] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 0: 00000004 becff7f8 b6efc[d 8 f 74.992927] CPU: 3 PID: 1754 Comm: cat Tainted: G D W 5.10.184-cip35 #1 b6e837e6 # [ [ 7 47.54.201083176] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6] Code: 00000000 c2c[0 6 6 c705 011702] PC is at 0xc66d9e0c c2c06780 c2c06840 (e1a0c00d) [# 75.017105] LR is at execute_location+0xa4/0xb4 [ 74.427953[] - -7-5[. 0e2n4312] pc : [] lr : [] psr: 600e0013 trace cceb88b82[8 b 1 37455.40 32574] sp : c66d9de8 ip : c66d9cf0 fp : c66d9e04 --- # EXEC_[D A T A7:5 .m0i3s9s877] r10: 0000000b r9 : c1acf280 r8 : c15ead50 ng 'call trace[: ' : 7[5F.A0I4L7010] r7 : c66d9f60 r6 : 00000001 r5 : c66d9e0c r4 : c0c544dc not ok 30 [s e l f7t5e.s0t5s5:530] r3 : aa4bc6d1 r2 : aa4bc6d1 r1 : ef7c05e0 r0 : 0000002b lkdtm: EXEC_DATA.s[h # 7e5x.i063966] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none =1 # selftests: [l k d t7m5.:0 73269] Control: 10c5387d Table: 1648804a DAC: 00000051 XEC_STACK.sh [ 75.081094] Process cat (pid: 1754, stack limit = 0x86aff29c) [ 75.088051] Stack: (0xc66d9de8 to 0xc66da000) [ 75.092424] 9de0: c66d8000 c5ac7000 0000000b c66d9f60 c66d9e64 c66d9e08 [ 75.100613] 9e00: c138c1a0 c138bf60 c66d9e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 75.108802] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30f3374 e34c31b7 [ 75.116992] 9e40: e3a02040 e3a01d33 e5930018 aa4bc6d1 0000000b 00000020 c66d9e74 c66d9e68 [ 75.125182] 9e60: c0c5376c c138c174 c66d9e9c c66d9e78 c0c53c6c c0c5374c c0c53b4c c61bdb80 [ 75.133373] 9e80: b6e0e000 0000000b c307f9c0 c66d9f60 c66d9ec4 c66d9ea0 c07e066c c0c53b58 [ 75.141562] 9ea0: 00000000 c61bdb80 b6e0e000 c2815800 c66d9f60 c07e0608 c66d9f5c c66d9ec8 [ 75.149752] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c66d8000 [ 75.157941] 9ee0: b6e0e000 00020000 00000004 0000000b 0001fff5 c66d9ee0 00000001 b6e0d000 [ 75.166129] 9f00: c580ca00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.174318] 9f20: 00000000 00000000 c13a14b0 aa4bc6d1 c205e3e0 c61bdb80 c61bdb80 c66d8000 [ 75.182507] 9f40: b6e0e000 00000000 00000000 00000004 c66d9f94 c66d9f60 c059b29c c059abf0 [ 75.190695] 9f60: 00000000 00000000 c66d9fac aa4bc6d1 0000000b 0000000b b6f55e00 00000004 [ 75.198883] 9f80: c03002e4 c66d8000 c66d9fa4 c66d9f98 c059b32c c059b234 00000000 c66d9fa8 [ 75.207074] 9fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6e0e000 0000000b 00000000 [ 75.215264] 9fc0: 0000000b 0000000b b6f55e00 00000004 00000001 00000000 00020000 bea9cac4 [ 75.223453] 9fe0: 00000004 bea9c7f8 b6ebfd8f b6e467e6 800e0030 00000001 00000000 00000000 [ 75.231634] Backtrace: [ 75.234111] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 75.242387] r7:c66d9f60 r6:0000000b r5:c5ac7000 r4:c66d8000 [ 75.248066] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 75.256250] r4:00000020 [ 75.258797] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 75.266820] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 75.274749] r9:c66d9f60 r8:c307f9c0 r7:0000000b r6:b6e0e000 r5:c61bdb80 r4:c0c53b4c [ 75.282511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 75.290356] r9:c07e0608 r8:c66d9f60 r7:c2815800 r6:b6e0e000 r5:c61bdb80 r4:00000000 [ 75.298111] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 75.305258] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c66d8000 r5:c61bdb80 [ 75.313093] r4:c61bdb80 [ 75.315640] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 75.322788] r9:c66d8000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000000b r4:0000000b [ 75.330546] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 75.338121] Exception stack(0xc66d9fa8 to 0xc66d9ff0) [ 75.343183] 9fa0: 0000000b 0000000b 00000001 b6e0e000 0000000b 00000000 [ 75.351373] 9fc0: 0000000b 0000000b b6f55e00 00000004 00000001 00000000 00020000 bea9cac4 [ 75.359559] 9fe0: 00000004 bea9c7f8 b6ebfd8f b6e467e6 [ 75.364624] Code: c66d9e08 c138c1a0 c138bf60 c66d9e6c (e1a0c00d) [ 75.370733] ---[ end trace cceb88b828b13455 ]--- # Segmentation fault # [ 74.903740] lkdtm: Performing direct entry EXEC_STACK # [ 74.910932] lkdtm: attempting ok execution at c0c544dc # [ 74.918943] lkdtm: attempting bad execution at c66d9e0c # [ 74.926993] 8<--- cut here --- # [ 74.932864] Unable to handle kernel paging request at virtual address c66d9e0c # [ 74.942082] pgd = 73d3af1d # [ 74.946871] [c66d9e0c] *pgd=1661141e(bad) # [ 74.953659] Internal error: Oops: 8000000d [#4] SMP ARM # [ 74.961223] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 74.992927] CPU: 3 PID: 1754 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 75.003176] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.011702] PC is at 0xc66d9e0c # [ 75.017105] LR is at execute_location+0xa4/0xb4 # [ 75.024312] pc : [] lr : [] psr: 600e0013 # [ 75.032574] sp : c66d9de8 ip : c66d9cf0 fp : c66d9e04 # [ 75.039877] r10: 0000000b r9 : c1acf280 r8 : c15ead50 # [ 75.047010] r7 : c66d9f60 r6 : 00000001 r5 : c66d9e0c r4 : c0c544dc # [ 75.055530] r3 : aa4bc6d1 r2 : aa4bc6d1 r1 : ef7c05e0 r0 : 0000002b # [ 75.063966] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.073269] Control: 10c5387d Table: 1648804a DAC: 00000051 # [ 75.081094] Process cat (pid: 1754, stack limit = 0x86aff29c) # [ 75.088051] Stack: (0xc66d9de8 to 0xc66da000) # [ 75.092424] 9de0: c66d8000 c5ac7000 0000000b c66d9f60 c66d9e64 c66d9e08 # [ 75.100613] 9e00: c138c1a0 c138bf60 c66d9e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 75.108802] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30f3374 e34c31b7 # [ 75.116992] 9e40: e3a02040 e3a01d33 e5930018 aa4bc6d1 0000000b 00000020 c66d9e74 c66d9e68 # [ 75.125182] 9e60: c0c5376c c138c174 c66d9e9c c66d9e78 c0c53c6c c0c5374c c0c53b4c c61bdb80 # [ 75.133373] 9e80: b6e0e000 0000000b c307f9c0 c66d9f60 c66d9ec4 c66d9ea0 c07e066c c0c53b58 # [ 75.141562] 9ea0: 00000000 c61bdb80 b6e0e000 c2815800 c66d9f60 c07e0608 c66d9f5c c66d9ec8 # [ 75.149752] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c66d8000 # [ 75.157941] 9ee0: b6e0e000 00020000 00000004 0000000b 0001fff5 c66d9ee0 00000001 b6e0d000 # [ 75.166129] 9f00: c580ca00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.174318] 9f20: 00000000 00000000 c13a14b0 aa4bc6d1 c205e3e0 c61bdb80 c61bdb80 c66d8000 # [ 75.182507] 9f40: b6e0e000 00000000 00000000 00000004 c66d9f94 c66d9f60 c059b29c c059abf0 # [ 75.190695] 9f60: 00000000 00000000 c66d9fac aa4bc6d1 0000000b 0000000b b6f55e00 00000004 # [ 75.198883] 9f80: c03002e4 c66d8000 c66d9fa4 c66d9f98 c059b32c c059b234 00000000 c66d9fa8 # [ 75.207074] 9fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6e0e000 0000000b 00000000 # [ 75.215264] 9fc0: 0000000b 0000000b b6f55e00 00000004 00000001 00000000 00020000 bea9cac4 # [ 75.223453] 9fe0: 00000004 bea9c7f8 b6ebfd8f b6e467e6 800e0030 00000001 00000000 00000000 # [ 75.231634] Backtrace: # [ 75.234111] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 75.242387] r7:c66d9f60 r6:0000000b r5:c5ac7000 r4:c66d8000 # [ 75.248066] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.256250] r4:00000020 # [ 75.258797] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.266820] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.274749] r9:c66d9f60 r8:c307f9c0 r7:0000000b r6:b6e0e000 r5:c61bdb80 r4:c0c53b4c # [ 75.282511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.290356] r9:c07e0608 r8:c66d9f60 r7:c2815800 r6:b6e0e000 r5:c61bdb80 r4:00000000 # [ 75.298111] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.305258] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c66d8000 r5:c61bdb80 # [ 75.313093] r4:c61bdb80 # [ 75.315640] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.322788] r9:c66d8000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000000b r4:0000000b # [ 75.330546] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.338121] Exception stack(0xc66d9fa8 to 0xc66d9ff0) # [ 75.343183] 9fa0: 0000000b 0000000b 00000001 b6e0e000 0000000b 00000000 # [ 75.351373] 9fc0: 0000000b 0000000b b6f55e00 00000004 00000001 00000000 00020000 bea9cac4 # [ 75.359559] 9fe0: 00000004 bea9c7f8 b6ebfd8f b6e467e6 # [ 75.364624] Code: c66d9e08 c138c1a0 c138bf60 c66d9e6c (e1a0c00d) # [ 75.370733] ---[ end trace cceb88b828b13455 ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh [ 75.929166] lkdtm: Performing direct entry EXEC_KMALLOC [ 75.934449] lkdtm: attempting ok execution at c0c544dc [ 75.939781] lkdtm: attempting bad execution at c5e3fd80 [ 75.945140] 8<--- cut here --- [ 75.948221] Unable to handle kernel paging request at virtual address c5e3fd80 [ 75.955456] pgd = 348811c8 [ 75.958173] [c5e3fd80] *pgd=15e1141e(bad) [ 75.962211] Internal error: Oops: 8000000d [#5] SMP ARM [ 75.967446] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 75.996515] CPU: 2 PID: 1833 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 76.004265] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 76.010808] PC is at 0xc5e3fd80 [ 76.013969] LR is at execute_location+0xa4/0xb4 [ 76.018509] pc : [] lr : [] psr: 600e0013 [ 76.024783] sp : c6243e30 ip : c6243d38 fp : c6243e4c [ 76.030015] r10: 0000000d r9 : c1acf28c r8 : c15ead50 [ 76.035247] r7 : c6243f60 r6 : 00000001 r5 : c5e3fd80 r4 : c0c544dc [ 76.041783] r3 : 75b51991 r2 : 75b51991 r1 : ef7ab5e0 r0 : 0000002b [ 76.048320] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 76.055464] Control: 10c5387d Table: 166d804a DAC: 00000051 [ 76.061218] Process cat (pid: 1833, stack limit = 0x89e3de91) [ 76.066973] Stack: (0xc6243e30 to 0xc6244000) [ 76.071344] 3e20: c5e3fd80 c479f000 0000000d c6243f60 [ 76.079533] 3e40: c6243e64 c6243e50 c0c5452c c138bf60 00000021 c479f000 c6243e74 c6243e68 [ 76.087725] 3e60: c0c5376c c0c54500 c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c47fd2c0 [ 76.095914] 3e80: b6ddb000 0000000d c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 [ 76.104103] 3ea0: 00000000 c47fd2c0 b6ddb000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 [ 76.112292] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 [ 76.120483] 3ee0: b6ddb000 00020000 00000004 0000000d 0001fff3 c6243ee0 00000001 b6dda000 [ 76.128672] 3f00: c580c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 76.136863] 3f20: 00000000 00000000 c13a14b0 75b51991 c205e3e0 c47fd2c0 c47fd2c0 c6242000 [ 76.145052] 3f40: b6ddb000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 [ 76.153242] 3f60: 00000000 00000000 c6243fac 75b51991 0000000d 0000000d b6f22e00 00000004 [ 76.161433] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 [ 76.169621] 3fa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 [ 76.177811] 3fc0: 0000000d 0000000d b6f22e00 00000004 00000001 00000000 00020000 bed5fac4 [ 76.186000] 3fe0: 00000004 bed5f7f8 b6e8cd8f b6e137e6 800e0030 00000001 00000000 00000000 [ 76.194182] Backtrace: [ 76.196657] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 76.205109] r7:c6243f60 r6:0000000d r5:c479f000 r4:c5e3fd80 [ 76.210783] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 76.219142] r5:c479f000 r4:00000021 [ 76.222731] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 76.230755] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 76.238683] r9:c6243f60 r8:c307f9c0 r7:0000000d r6:b6ddb000 r5:c47fd2c0 r4:c0c53b4c [ 76.246443] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 76.254286] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6ddb000 r5:c47fd2c0 r4:00000000 [ 76.262041] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 76.269187] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6242000 r5:c47fd2c0 [ 76.277024] r4:c47fd2c0 [ 76.279570] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 76.286718] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000000d r4:0000000d [ 76.294475] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 76.302050] Exception stack(0xc6243fa8 to 0xc6243ff0) [ 76.307112] 3fa0: 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 [ 76.315301] 3fc0: 0000000d 0000000d b6f22e00 00000004 00000001 00000000 00020000 bed5fac4 [ 76.323486] 3fe0: 00000004 bed5f7f8 b6e8cd8f b6e137e6 [ 76.328550] Code: 00160017 431805b4 431805b5 431805b6 (e1a0c00d) [ 76.334659] ---[ end trace cceb88b828b13456 ]--- # Segmentation fault # [ 75.929166] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.934449] lkdtm: attempting ok execution at c0c544dc # [ 75.939781] lkdtm: attempting bad execution at c5e3fd80 # [ 75.945140] 8<--- cut here --- # [ 75.948221] Unable to handle kernel paging request at virtual address c5e3fd80 # [ 75.955456] pgd = 348811c8 # [ 75.958173] [c5e3fd80] *pgd=15e1141e(bad) # [ 75.962211] Internal error: Oops: 8000000d [#5] SMP ARM # [ 75.967446] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 75.996515] CPU: 2 PID: 1833 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 76.004265] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.010808] PC is at 0xc5e3fd80 # [ 76.013969] LR is at execute_location+0xa4/0xb4 # [ 76.018509] pc : [] lr : [] psr: 600e0013 # [ 76.024783] sp : c6243e30 ip : c6243d38 fp : c6243e4c # [ 76.030015] r10: 0000000d r9 : c1acf28c r8 : c15ead50 # [ 76.035247] r7 : c6243f60 r6 : 00000001 r5 : c5e3fd80 r4 : c0c544dc # [ 76.041783] r3 : 75b51991 r2 : 75b51991 r1 : ef7ab5e0 r0 : 0000002b # [ 76.048320] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.055464] Control: 10c5387d Table: 166d804a DAC: 00000051 # [ 76.061218] Process cat (pid: 1833, stack limit = 0x89e3de91) # [ 76.066973] Stack: (0xc6243e30 to 0xc6244000) # [ 76.071344] 3e20: c5e3fd80 c479f000 0000000d c6243f60 # [ 76.079533] 3e40: c6243e64 c6243e50 c0c5452c c138bf60 00000021 c479f000 c6243e74 c6243e68 # [ 76.087725] 3e60: c0c5376c c0c54500 c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c47fd2c0 # [ 76.095914] 3e80: b6ddb000 0000000d c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 # [ 76.104103] 3ea0: 00000000 c47fd2c0 b6ddb000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 # [ 76.112292] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 # [ 76.120483] 3ee0: b6ddb000 00020000 00000004 0000000d 0001fff3 c6243ee0 00000001 b6dda000 # [ 76.128672] 3f00: c580c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.136863] 3f20: 00000000 00000000 c13a14b0 75b51991 c205e3e0 c47fd2c0 c47fd2c0 c6242000 # [ 76.145052] 3f40: b6ddb000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 # [ 76.153242] 3f60: 00000000 00000000 c6243fac 75b51991 0000000d 0000000d b6f22e00 00000004 # [ 76.161433] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 # [ 76.169621] 3fa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 # [ 76.177811] 3fc0: 0000000d 0000000d b6f22e00 00000004 00000001 00000000 00020000 bed5fac4 # [ 76.186000] 3fe0: 00000004 bed5f7f8 b6e8cd8f b6e137e6 800e0030 00000001 00000000 00000000 # [ 76.194182] Backtrace: # [ 76.196657] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 76.205109] r7:c6243f60 r6:0000000d r5:c479f000 r4:c5e3fd80 # [ 76.210783] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.219142] r5:c479f000 r4:00000021 # [ 76.222731] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.230755] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.238683] r9:c6243f60 r8:c307f9c0 r7:0000000d r6:b6ddb000 r5:c47fd2c0 r4:c0c53b4c # [ 76.246443] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.254286] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6ddb000 r5:c47fd2c0 r4:00000000 # [ 76.262041] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.269187] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6242000 r5:c47fd2c0 # [ 76.277024] r4:c47fd2c0 # [ 76.279570] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.286718] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000000d r4:0000000d # [ 76.294475] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.302050] Exception stack(0xc6243fa8 to 0xc6243ff0) # [ 76.307112] 3fa0: 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 # [ 76.315301] 3fc0: 0000000d 0000000d b6f22e00 00000004 000000[ 76.842428] lkdtm: Performing direct entry EXEC_VMALLOC 01 00000000 00020000 bed5fac4 # [ 76.850018] lkdtm: attempting ok execution at c0c544dc [ 76.323486] 3fe0: 00000004 bed[ 76.857840] lkdtm: attempting bad execution at f0988000 5f7f8 b6e8cd8f b6e137e6 # [ 76[ 76.865948] 8<--- cut here --- .328550] Code: 00160017 [4 3 1 876.871780] Unable to handle kernel paging request at virtual address f0988000 5b4 431805b5 431805b6 (e1a0c00d) [ 76.881481] pgd = 8cde5c47 # [ 76.334659] ---[ end trace[ 76.887062] [f0988000] *pgd=12949811, *pte=494d665f, *ppte=494d645f cceb88b828b13456 ]--- # EXEC_KM[ 76.896187] Internal error: Oops: 8000000f [#6] SMP ARM ALLOC: missing 'call trace:': [FA[ 76.904232] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 IL] not ok 32 selftests: [l k d 76.935938] CPU: 3 PID: 1910 Comm: cat Tainted: G D W 5.10.184-cip35 #1 m: EXEC_KMALLOC[. s h 7#6 .e9x4i189] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) t=1 # selftests: lkdtm[: E X7E.954715] PC is at 0xf0988000 C_VMALLOC.sh [ 76.960204] LR is at execute_location+0xa4/0xb4 [ 76.965935] pc : [] lr : [] psr: 600e0013 [ 76.972211] sp : c5c4be30 ip : c5c4bd38 fp : c5c4be4c [ 76.977443] r10: 0000000d r9 : c1acf29c r8 : c15ead50 [ 76.982676] r7 : c5c4bf60 r6 : 00000001 r5 : f0988000 r4 : c0c544dc [ 76.989210] r3 : 84128d26 r2 : 84128d26 r1 : ef7c05e0 r0 : 0000002b [ 76.995747] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 77.002890] Control: 10c5387d Table: 167c804a DAC: 00000051 [ 77.008647] Process cat (pid: 1910, stack limit = 0xfc3ef7c4) [ 77.014404] Stack: (0xc5c4be30 to 0xc5c4c000) [ 77.018775] be20: f0988000 c62d1000 0000000d c5c4bf60 [ 77.026966] be40: c5c4be64 c5c4be50 c0c54560 c138bf60 00000022 c62d1000 c5c4be74 c5c4be68 [ 77.035158] be60: c0c5376c c0c54544 c5c4be9c c5c4be78 c0c53c6c c0c5374c c0c53b4c c602b680 [ 77.043347] be80: b6e5c000 0000000d c307f9c0 c5c4bf60 c5c4bec4 c5c4bea0 c07e066c c0c53b58 [ 77.051536] bea0: 00000000 c602b680 b6e5c000 c2815800 c5c4bf60 c07e0608 c5c4bf5c c5c4bec8 [ 77.059726] bec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5c4a000 [ 77.067915] bee0: b6e5c000 00020000 00000004 0000000d 0001fff3 c5c4bee0 00000001 b6e5b000 [ 77.076102] bf00: c4758f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 77.084292] bf20: 00000000 00000000 c13a14b0 84128d26 c205e3e0 c602b680 c602b680 c5c4a000 [ 77.092482] bf40: b6e5c000 00000000 00000000 00000004 c5c4bf94 c5c4bf60 c059b29c c059abf0 [ 77.100671] bf60: 00000000 00000000 c5c4bfac 84128d26 0000000d 0000000d b6fa3e00 00000004 [ 77.108859] bf80: c03002e4 c5c4a000 c5c4bfa4 c5c4bf98 c059b32c c059b234 00000000 c5c4bfa8 [ 77.117047] bfa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6e5c000 0000000d 00000000 [ 77.125237] bfc0: 0000000d 0000000d b6fa3e00 00000004 00000001 00000000 00020000 befa5ac4 [ 77.133425] bfe0: 00000004 befa57f8 b6f0dd8f b6e947e6 800e0030 00000001 00000000 00000000 [ 77.141608] Backtrace: [ 77.144084] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 77.152536] r7:c5c4bf60 r6:0000000d r5:c62d1000 r4:f0988000 [ 77.158211] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 77.166568] r5:c62d1000 r4:00000022 [ 77.170155] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 77.178179] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 77.186107] r9:c5c4bf60 r8:c307f9c0 r7:0000000d r6:b6e5c000 r5:c602b680 r4:c0c53b4c [ 77.193869] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 77.201713] r9:c07e0608 r8:c5c4bf60 r7:c2815800 r6:b6e5c000 r5:c602b680 r4:00000000 [ 77.209472] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 77.216620] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c5c4a000 r5:c602b680 [ 77.224458] r4:c602b680 [ 77.227009] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 77.234158] r9:c5c4a000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:0000000d r4:0000000d [ 77.241916] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 77.249495] Exception stack(0xc5c4bfa8 to 0xc5c4bff0) [ 77.254558] bfa0: 0000000d 0000000d 00000001 b6e5c000 0000000d 00000000 [ 77.262747] bfc0: 0000000d 0000000d b6fa3e00 00000004 00000001 00000000 00020000 befa5ac4 [ 77.270935] bfe0: 00000004 befa57f8 b6f0dd8f b6e947e6 [ 77.276005] Code: bad PC value [ 77.279213] ---[ end trace cceb88b828b13457 ]--- # Segmentation fault # [ 76.842428] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.850018] lkdtm: attempting ok execution at c0c544dc # [ 76.857840] lkdtm: attempting bad execution at f0988000 # [ 76.865948] 8<--- cut here --- # [ 76.871780] Unable to handle kernel paging request at virtual address f0988000 # [ 76.881481] pgd = 8cde5c47 # [ 76.887062] [f0988000] *pgd=12949811, *pte=494d665f, *ppte=494d645f # [ 76.896187] Internal error: Oops: 8000000f [#6] SMP ARM # [ 76.904232] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 76.935938] CPU: 3 PID: 1910 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 76.946189] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.954715] PC is at 0xf0988000 # [ 76.960204] LR is at execute_location+0xa4/0xb4 # [ 76.965935] pc : [] lr : [] psr: 600e0013 # [ 76.972211] sp : c5c4be30 ip : c5c4bd38 fp : c5c4be4c # [ 76.977443] r10: 0000000d r9 : c1acf29c r8 : c15ead50 # [ 76.982676] r7 : c5c4bf60 r6 : 00000001 r5 : f0988000 r4 : c0c544dc # [ 76.989210] r3 : 84128d26 r2 : 84128d26 r1 : ef7c05e0 r0 : 0000002b # [ 76.995747] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.002890] Control: 10c5387d Table: 167c804a DAC: 00000051 # [ 77.008647] Process cat (pid: 1910, stack limit = 0xfc3ef7c4) # [ 77.014404] Stack: (0xc5c4be30 to 0xc5c4c000) # [ 77.018775] be20: f0988000 c62d1000 0000000d c5c4bf60 # [ 77.026966] be40: c5c4be64 c5c4be50 c0c54560 c138bf60 00000022 c62d1000 c5c4be74 c5c4be68 # [ 77.035158] be60: c0c5376c c0c54544 c5c4be9c c5c4be78 c0c53c6c c0c5374c c0c53b4c c602b680 # [ 77.043347] be80: b6e5c000 0000000d c307f9c0 c5c4bf60 c5c4bec4 c5c4bea0 c07e066c c0c53b58 # [ 77.051536] bea0: 00000000 c602b680 b6e5c000 c2815800 c5c4bf60 c07e0608 c5c4bf5c c5c4bec8 # [ 77.059726] bec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5c4a000 # [ 77.067915] bee0: b6e5c000 00020000 00000004 0000000d 0001fff3 c5c4bee0 00000001 b6e5b000 # [ 77.076102] bf00: c4758f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.084292] bf20: 00000000 00000000 c13a14b0 84128d26 c205e3e0 c602b680 c602b680 c5c4a000 # [ 77.092482] bf40: b6e5c000 00000000 00000000 00000004 c5c4bf94 c5c4bf60 c059b29c c059abf0 # [ 77.100671] bf60: 00000000 00000000 c5c4bfac 84128d26 0000000d 0000000d b6fa3e00 00000004 # [ 77.108859] bf80: c03002e4 c5c4a000 c5c4bfa4 c5c4bf98 c059b32c c059b234 00000000 c5c4bfa8 # [ 77.117047] bfa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6e5c000 0000000d 00000000 # [ 77.125237] bfc0: 0000000d 0000000d b6fa3e00 00000004 00000001 00000000 00020000 befa5ac4 # [ 77.133425] bfe0: 00000004 befa57f8 b6f0dd8f b6e947e6 800e0030 00000001 00000000 00000000 # [ 77.141608] Backtrace: # [ 77.144084] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 77.152536] r7:c5c4bf60 r6:0000000d r5:c62d1000 r4:f0988000 # [ 77.158211] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.166568] r5:c62d1000 r4:00000022 # [ 77.170155] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.178179] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.186107] r9:c5c4bf60 r8:c307f9c0 r7:0000000d r6:b6e5c000 r5:c602b680 r4:c0c53b4c # [ 77.193869] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.201713] r9:c07e0608 r8:c5c4bf60 r7:c2815800 r6:b6e5c000 r5:c602b680 r4:00000000 # [ 77.209472] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.216620] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c5c4a000 r5:c602b680 # [ 77.224458] r4:c602b680 # [ 77.227009] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.234158] r9:c5c4a000 r8:c03002e4 r7:00000004 r6:[ 77.792697] lkdtm: Performing direct entry EXEC_RODATA b6fa3e00 r5:0000000d r4:0000000d [ 77.799800] lkdtm: attempting ok execution at c0c544dc # [ 77.241916] [] (s[ 77.807903] lkdtm: attempting bad execution at c15eafec ys_write) from [] (ret_[ 77.816043] 8<--- cut here --- [ 77.821912] Unable to handle kernel paging request at virtual address c15eafec [ 77.829161] pgd = b3fbaa43 [ 77.831892] [c15eafec] *pgd=1141941e(bad) [ 77.835961] Internal error: Oops: 8000000d [#7] SMP ARM [ 77.841208] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 77.870492] CPU: 0 PID: 1987 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 77.878259] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 77.884825] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [ 77.889917] LR is at execute_location+0xa4/0xb4 [ 77.894471] pc : [] lr : [] psr: 600e0013 [ 77.900761] sp : c5dc7e38 ip : c5dc7d40 fp : c5dc7e54 [ 77.906007] r10: 0000000c r9 : c1acf2ac r8 : c15ead50 [ 77.911253] r7 : c5dc7f60 r6 : 00000000 r5 : c15eafec r4 : c0c544dc [ 77.917802] r3 : deb70821 r2 : deb70821 r1 : ef7815e0 r0 : 0000002b [ 77.924354] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 77.931515] Control: 10c5387d Table: 1666004a DAC: 00000051 [ 77.937284] Process cat (pid: 1987, stack limit = 0x2e41f865) [ 77.943055] Stack: (0xc5dc7e38 to 0xc5dc8000) [ 77.947440] 7e20: 00000023 c4763000 [ 77.955651] 7e40: 0000000c c5dc7f60 c5dc7e64 c5dc7e58 c138c1e0 c138bf60 c5dc7e74 c5dc7e68 [ 77.963859] 7e60: c0c5376c c138c1c8 c5dc7e9c c5dc7e78 c0c53c6c c0c5374c c0c53b4c c59f3180 [ 77.972067] 7e80: b6e6e000 0000000c c307f9c0 c5dc7f60 c5dc7ec4 c5dc7ea0 c07e066c c0c53b58 [ 77.980274] 7ea0: 00000000 c59f3180 b6e6e000 c2815800 c5dc7f60 c07e0608 c5dc7f5c c5dc7ec8 [ 77.988483] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5dc6000 [ 77.996692] 7ee0: b6e6e000 00020000 00000004 0000000c 0001fff4 c5dc7ee0 00000001 b6e6d000 [ 78.004898] 7f00: c5d27900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 78.013104] 7f20: 00000000 00000000 c13a14b0 deb70821 c205e3e0 c59f3180 c59f3180 c5dc6000 [ 78.021311] 7f40: b6e6e000 00000000 00000000 00000004 c5dc7f94 c5dc7f60 c059b29c c059abf0 [ 78.029517] 7f60: 00000000 00000000 c5dc7fac deb70821 0000000c 0000000c b6fb5e00 00000004 [ 78.037725] 7f80: c03002e4 c5dc6000 c5dc7fa4 c5dc7f98 c059b32c c059b234 00000000 c5dc7fa8 [ 78.045930] 7fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e6e000 0000000c 00000000 [ 78.054139] 7fc0: 0000000c 0000000c b6fb5e00 00000004 00000001 00000000 00020000 beeb0ac4 [ 78.062345] 7fe0: 00000004 beeb07f8 b6f1fd8f b6ea67e6 800e0030 00000001 00000000 00000000 [ 78.070540] Backtrace: [ 78.073047] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 78.081430] r7:c5dc7f60 r6:0000000c r5:c4763000 r4:00000023 [ 78.087128] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 78.095423] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 78.103468] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 78.111416] r9:c5dc7f60 r8:c307f9c0 r7:0000000c r6:b6e6e000 r5:c59f3180 r4:c0c53b4c [ 78.119199] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 78.127061] r9:c07e0608 r8:c5dc7f60 r7:c2815800 r6:b6e6e000 r5:c59f3180 r4:00000000 [ 78.134836] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 78.142001] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5dc6000 r5:c59f3180 [ 78.149850] r4:c59f3180 [ 78.152417] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 78.159584] r9:c5dc6000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:0000000c r4:0000000c [ 78.167362] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 78.174952] Exception stack(0xc5dc7fa8 to 0xc5dc7ff0) [ 78.180034] 7fa0: 0000000c 0000000c 00000001 b6e6e000 0000000c 00000000 [ 78.188243] 7fc0: 0000000c 0000000c b6fb5e00 00000004 00000001 00000000 00020000 beeb0ac4 [ 78.196444] 7fe0: 00000004 beeb07f8 b6f1fd8f b6ea67e6 [ 78.201528] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 78.207656] ---[ end trace cceb88b828b13458 ]--- fast_syscall+0x0/0x28) # [ 77.249495] Exception stack(0xc5c4bfa8 to 0xc5c4bff0) # [ 77.254558] bfa0: 0000000d 0000000d 00000001 b6e5c000 0000000d 00000000 # [ 77.262747] bfc0: 0000000d 0000000d b6fa3e00 00000004 00000001 00000000 00020000 befa5ac4 # [ 77.270935] bfe0: 00000004 befa57f8 b6f0dd8f b6e947e6 # [ 77.276005] Code: bad PC value # [ 77.279213] ---[ end trace cceb88b828b13457 ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh # Segmentation fault # [ 77.792697] lkdtm: Performing direct entry EXEC_RODATA # [ 77.799800] lkdtm: attempting ok execution at c0c544dc # [ 77.807903] lkdtm: attempting bad execution at c15eafec # [ 77.816043] 8<--- cut here --- # [ 77.821912] Unable to handle kernel paging request at virtual address c15eafec # [ 77.829161] pgd = b3fbaa43 # [ 77.831892] [c15eafec] *pgd=1141941e(bad) # [ 77.835961] Internal error: Oops: 8000000d [#7] SMP ARM # [ 77.841208] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 77.870492] CPU: 0 PID: 1987 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 77.878259] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.884825] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.889917] LR is at execute_location+0xa4/0xb4 # [ 77.894471] pc : [] lr : [] psr: 600e0013 # [ 77.900761] sp : c5dc7e38 ip : c5dc7d40 fp : c5dc7e54 # [ 77.906007] r10: 0000000c r9 : c1acf2ac r8 : c15ead50 # [ 77.911253] r7 : c5dc7f60 r6 : 00000000 r5 : c15eafec r4 : c0c544dc # [ 77.917802] r3 : deb70821 r2 : deb70821 r1 : ef7815e0 r0 : 0000002b # [ 77.924354] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.931515] Control: 10c5387d Table: 1666004a DAC: 00000051 # [ 77.937284] Process cat (pid: 1987, stack limit = 0x2e41f865) # [ 77.943055] Stack: (0xc5dc7e38 to 0xc5dc8000) # [ 77.947440] 7e20: 00000023 c4763000 # [ 77.955651] 7e40: 0000000c c5dc7f60 c5dc7e64 c5dc7e58 c138c1e0 c138bf60 c5dc7e74 c5dc7e68 # [ 77.963859] 7e60: c0c5376c c138c1c8 c5dc7e9c c5dc7e78 c0c53c6c c0c5374c c0c53b4c c59f3180 # [ 77.972067] 7e80: b6e6e000 0000000c c307f9c0 c5dc7f60 c5dc7ec4 c5dc7ea0 c07e066c c0c53b58 # [ 77.980274] 7ea0: 00000000 c59f3180 b6e6e000 c2815800 c5dc7f60 c07e0608 c5dc7f5c c5dc7ec8 # [ 77.988483] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5dc6000 # [ 77.996692] 7ee0: b6e6e000 00020000 00000004 0000000c 0001fff4 c5dc7ee0 00000001 b6e6d000 # [ 78.004898] 7f00: c5d27900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.013104] 7f20: 00000000 00000000 c13a14b0 deb70821 c205e3e0 c59f3180 c59f3180 c5dc6000 # [ 78.021311] 7f40: b6e6e000 00000000 00000000 00000004 c5dc7f94 c5dc7f60 c059b29c c059abf0 # [ 78.029517] 7f60: 00000000 00000000 c5dc7fac deb70821 0000000c 0000000c b6fb5e00 00000004 # [ 78.037725] 7f80: c03002e4 c5dc6000 c5dc7fa4 c5dc7f98 c059b32c c059b234 00000000 c5dc7fa8 # [ 78.045930] 7fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e6e000 0000000c 00000000 # [ 78.054139] 7fc0: 0000000c 0000000c b6fb5e00 00000004 00000001 00000000 00020000 beeb0ac4 # [ 78.062345] 7fe0: 00000004 beeb07f8 b6f1fd8f b6ea67e6 800e0030 00000001 00000000 00000000 # [ 78.070540] Backtrace: # [ 78.073047] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 78.081430] r7:c5dc7f60 r6:0000000c r5:c4763000 r4:00000023 # [ 78.087128] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.095423] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.103468] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.111416] r9:c5dc7f60 r8:c307f9c0 r7:0000000c r6:b6e6e000 r5:c59f3180 r4:c0c53b4c # [ 78.119199] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.127061] r9:c07e0608 r8:c5dc7f60 r7:c2815800 r6:b6e6e000 r5:c59f3180 r4:00000000 # [ 78.134836] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.142001] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5dc6000 r5:c59f3180 # [ 78.149850] r4:c59f3180 # [ 78.152417] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.159584] r9:c5dc6000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:0000000c r4:0000000c # [ 78.167362] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.174952] Exception stack(0xc5dc7fa8 to 0xc5dc7ff0) # [ 78.180034] 7fa0: 0000000c 0000000c 00000001 b6e6e000 0000000c 00000000 # [ 78.188243] 7fc0: 0000000c 0000000c b6fb5e00 00000004 00000001 00000000 00020000 beeb0ac4 # [ 78.196444] 7fe0: 00000004 beeb07f8 b6f1fd8f b6ea67e6 # [ 78.201528] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 78.207656] ---[ end trace cceb88b828b13458 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 sel[ 78.773282] lkdtm: Performing direct entry EXEC_USERSPACE ftests: lkdtm: EXEC_RODATA.sh # e[ 78.780322] lkdtm: attempting ok execution at c0c544dc xit=1 # selftests: lkdtm: EXEC_U[ 78.788402] lkdtm: attempting bad execution at b6feb000 SERSPACE.sh [ 78.796360] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6feb000 [ 78.804549] Internal error: : b [#8] SMP ARM [ 78.808830] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 78.837903] CPU: 1 PID: 2063 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 78.845654] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 78.852196] PC is at 0xb6feb000 [ 78.855355] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 78.860240] pc : [] lr : [] psr: 600e0013 [ 78.866515] sp : c631fe48 ip : c631fd50 fp : c631fe64 [ 78.871746] r10: 0000000f r9 : c1acf2b8 r8 : c15ead50 [ 78.876978] r7 : c631ff60 r6 : 0000000f r5 : c5c1a000 r4 : b6feb000 [ 78.883512] r3 : 178aa90f r2 : 178aa90f r1 : ef7965e0 r0 : 0000002b [ 78.890047] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 78.897191] Control: 10c5387d Table: 1652404a DAC: 00000051 [ 78.902948] Process cat (pid: 2063, stack limit = 0x888c808a) [ 78.908702] Stack: (0xc631fe48 to 0xc6320000) [ 78.913073] fe40: 00000001 00000000 0000000f 00000024 c631fe74 c631fe68 [ 78.921263] fe60: c0c5376c c0c54578 c631fe9c c631fe78 c0c53c6c c0c5374c c0c53b4c c580de00 [ 78.929453] fe80: b6ea5000 0000000f c307f9c0 c631ff60 c631fec4 c631fea0 c07e066c c0c53b58 [ 78.937641] fea0: 00000000 c580de00 b6ea5000 c2815800 c631ff60 c07e0608 c631ff5c c631fec8 [ 78.945830] fec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c631e000 [ 78.954019] fee0: b6ea5000 00020000 00000004 0000000f 0001fff1 c631fee0 00000001 b6ea4000 [ 78.962209] ff00: c602ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 78.970399] ff20: 00000000 00000000 c13a14b0 178aa90f c205e3e0 c580de00 c580de00 c631e000 [ 78.978588] ff40: b6ea5000 00000000 00000000 00000004 c631ff94 c631ff60 c059b29c c059abf0 [ 78.986776] ff60: 00000000 00000000 c631ffac 178aa90f 0000000f 0000000f b6fece00 00000004 [ 78.994966] ff80: c03002e4 c631e000 c631ffa4 c631ff98 c059b32c c059b234 00000000 c631ffa8 [ 79.003153] ffa0: c03000c0 c059b320 0000000f 0000000f 00000001 b6ea5000 0000000f 00000000 [ 79.011342] ffc0: 0000000f 0000000f b6fece00 00000004 00000001 00000000 00020000 beaf3ac4 [ 79.019531] ffe0: 00000004 beaf37f8 b6f56d8f b6edd7e6 800e0030 00000001 00000000 00000000 [ 79.027715] Backtrace: [ 79.030185] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 79.038718] r4:00000024 [ 79.041267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 79.049293] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.057223] r9:c631ff60 r8:c307f9c0 r7:0000000f r6:b6ea5000 r5:c580de00 r4:c0c53b4c [ 79.064983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 79.072827] r9:c07e0608 r8:c631ff60 r7:c2815800 r6:b6ea5000 r5:c580de00 r4:00000000 [ 79.080583] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 79.087731] r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c631e000 r5:c580de00 [ 79.095567] r4:c580de00 [ 79.098115] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 79.105261] r9:c631e000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000000f r4:0000000f [ 79.113022] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 79.120599] Exception stack(0xc631ffa8 to 0xc631fff0) [ 79.125661] ffa0: 0000000f 0000000f 00000001 b6ea5000 0000000f 00000000 [ 79.133850] ffc0: 0000000f 0000000f b6fece00 00000004 00000001 00000000 00020000 beaf3ac4 [ 79.142036] ffe0: 00000004 beaf37f8 b6f56d8f b6edd7e6 [ 79.147102] Code: bad PC value [ 79.150173] ---[ end trace cceb88b828b13459 ]--- # Segmentation fault # [ 78.773282] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.780322] lkdtm: attempting ok execution at c0c544dc # [ 78.788402] lkdtm: attempting bad execution at b6feb000 # [ 78.796360] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6feb000 # [ 78.804549] Internal error: : b [#8] SMP ARM # [ 78.808830] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 78.837903] CPU: 1 PID: 2063 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 78.845654] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.852196] PC is at 0xb6feb000 # [ 78.855355] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 78.860240] pc : [] lr : [] psr: 600e0013 # [ 78.866515] sp : c631fe48 ip : c631fd50 fp : c631fe64 # [ 78.871746] r10: 0000000f r9 : c1acf2b8 r8 : c15ead50 # [ 78.876978] r7 : c631ff60 r6 : 0000000f r5 : c5c1a000 r4 : b6feb000 # [ 78.883512] r3 : 178aa90f r2 : 178aa90f r1 : ef7965e0 r0 : 0000002b # [ 78.890047] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.897191] Control: 10c5387d Table: 1652404a DAC: 00000051 # [ 78.902948] Process cat (pid: 2063, stack limit = 0x888c808a) # [ 78.908702] Stack: (0xc631fe48 to 0xc6320000) # [ 78.913073] fe40: 00000001 00000000 0000000f 00000024 c631fe74 c631fe68 # [ 78.921263] fe60: c0c5376c c0c54578 c631fe9c c631fe78 c0c53c6c c0c5374c c0c53b4c c580de00 # [ 78.929453] fe80: b6ea5000 0000000f c307f9c0 c631ff60 c631fec4 c631fea0 c07e066c c0c53b58 # [ 78.937641] fea0: 00000000 c580de00 b6ea5000 c2815800 c631ff60 c07e0608 c631ff5c c631fec8 # [ 78.945830] fec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c631e000 # [ 78.954019] fee0: b6ea5000 00020000 00000004 0000000f 0001fff1 c631fee0 00000001 b6ea4000 # [ 78.962209] ff00: c602ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.970399] ff20: 00000000 00000000 c13a14b0 178aa90f c205e3e0 c580de00 c580de00 c631e000 # [ 78.978588] ff40: b6ea5000 00000000 00000000 00000004 c631ff94 c631ff60 c059b29c c059abf0 # [ 78.986776] ff60: 00000000 00000000 c631ffac 178aa90f 0000000f 0000000f b6fece00 00000004 # [ 78.994966] ff80: c03002e4 c631e000 c631ffa4 c631ff98 c059b32c c059b234 00000000 c631ffa8 # [ 79.003153] ffa0: c03000c0 c059b320 0000000f 0000000f 00000001 b6ea5000 0000000f 00000000 # [ 79.011342] ffc0: 0000000f 0000000f b6fece00 00000004 00000001 00000000 00020000 beaf3ac4 # [ 79.019531] ffe0: 00000004 beaf37f8 b6f56d8f b6edd7e6 800e0030 00000001 00000000 00000000 # [ 79.027715] Backtrace: # [ 79.030185] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.038718] r4:00000024 # [ 79.041267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.049293] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.057223] r9:c631ff60 r8:c307f9c0 r7:0000000f r6:b6ea5000 r5:c580de00 r4:c0c53b4c # [ 79.064983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.072827] r9:c07e0608 r8:c631ff60 r7:c2815800 r6:b6ea5000 r5:c580de00 r4:00000000 # [ 79.080583] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.087731] r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c631e000 r5:c580de00 # [ 79.095567] r4:c580de00 # [ 79.098115] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.105261] r9:c631e000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000000f r4:0000000f # [ 79.113022] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.120599] Exception stack(0xc631ffa8 to 0xc631fff0) # [ 79.125661] ffa0: 0000000f 0000000f 00000001 b6ea5000 0000000f 00000000 # [ 79.133850] ffc0: 0000000f 0000000f b6fece00 00000004 00000001 00000000 00020000 beaf3ac4 # [ 79.142036] ffe0: 00000004 beaf37f8 b6f56d8f b6edd7e6 # [ 79.147102] Code: bad PC value # [ 79.150173] ---[ end trace cceb88b828b13459 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests[ 79.670169] lkdtm: Performing direct entry EXEC_NULL : lkdtm: EXEC_USERSPACE.sh # exit[ 79.677127] lkdtm: attempting ok execution at c0c544dc =1 # selftests: lkdtm: EXEC_NULL[ 79.685101] lkdtm: attempting bad execution at 00000000 .sh [ 79.693144] 8<--- cut here --- [ 79.696686] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 79.704798] pgd = 7ce41c43 [ 79.707572] [00000000] *pgd=00000000 [ 79.711194] Internal error: Oops: 80000005 [#9] SMP ARM [ 79.716436] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 79.745488] CPU: 3 PID: 2134 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 79.753242] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 79.759783] PC is at 0x0 [ 79.762338] LR is at execute_location+0xa4/0xb4 [ 79.766877] pc : [<00000000>] lr : [] psr: 600e0013 [ 79.773154] sp : c6243e38 ip : 00000027 fp : c6243e54 [ 79.778386] r10: 0000000a r9 : c1acf2c8 r8 : c15ead50 [ 79.783617] r7 : c6243f60 r6 : 00000000 r5 : 00000000 r4 : c0c544dc [ 79.790151] r3 : 9ce09ace r2 : 9ce09ace r1 : ef7c05e4 r0 : 0000002b [ 79.796689] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 79.803832] Control: 10c5387d Table: 162a404a DAC: 00000051 [ 79.809589] Process cat (pid: 2134, stack limit = 0x89e3de91) [ 79.815345] Stack: (0xc6243e38 to 0xc6244000) [ 79.819714] 3e20: 00000025 c44e1000 [ 79.827906] 3e40: 0000000a c6243f60 c6243e64 c6243e58 c138c204 c138bf60 c6243e74 c6243e68 [ 79.836095] 3e60: c0c5376c c138c1f0 c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c602a3c0 [ 79.844285] 3e80: b6e80000 0000000a c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 [ 79.852474] 3ea0: 00000000 c602a3c0 b6e80000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 [ 79.860663] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 [ 79.868853] 3ee0: b6e80000 00020000 00000004 0000000a 0001fff6 c6243ee0 00000001 b6e7f000 [ 79.877042] 3f00: c2f75540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 79.885231] 3f20: 00000000 00000000 c13a14b0 9ce09ace c205e3e0 c602a3c0 c602a3c0 c6242000 [ 79.893419] 3f40: b6e80000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 [ 79.901609] 3f60: 00000000 00000000 c6243fac 9ce09ace 0000000a 0000000a b6fc7e00 00000004 [ 79.909798] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 [ 79.917989] 3fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e80000 0000000a 00000000 [ 79.926179] 3fc0: 0000000a 0000000a b6fc7e00 00000004 00000001 00000000 00020000 be895ac4 [ 79.934370] 3fe0: 00000004 be8957f8 b6f31d8f b6eb87e6 800e0030 00000001 00000000 00000000 [ 79.942553] Backtrace: [ 79.945025] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 79.953216] r7:c6243f60 r6:0000000a r5:c44e1000 r4:00000025 [ 79.958896] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 79.967004] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 79.975029] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.982959] r9:c6243f60 r8:c307f9c0 r7:0000000a r6:b6e80000 r5:c602a3c0 r4:c0c53b4c [ 79.990724] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 79.998566] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6e80000 r5:c602a3c0 r4:00000000 [ 80.006325] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.013471] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6242000 r5:c602a3c0 [ 80.021308] r4:c602a3c0 [ 80.023855] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.031002] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:0000000a r4:0000000a [ 80.038760] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.046337] Exception stack(0xc6243fa8 to 0xc6243ff0) [ 80.051400] 3fa0: 0000000a 0000000a 00000001 b6e80000 0000000a 00000000 [ 80.059590] 3fc0: 0000000a 0000000a b6fc7e00 00000004 00000001 00000000 00020000 be895ac4 [ 80.067776] 3fe0: 00000004 be8957f8 b6f31d8f b6eb87e6 [ 80.072845] Code: bad PC value [ 80.076008] ---[ end trace cceb88b828b1345a ]--- # Segmentation fault # [ 79.670169] lkdtm: Performing direct entry EXEC_NULL # [ 79.677127] lkdtm: attempting ok execution at c0c544dc # [ 79.685101] lkdtm: attempting bad execution at 00000000 # [ 79.693144] 8<--- cut here --- # [ 79.696686] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.704798] pgd = 7ce41c43 # [ 79.707572] [00000000] *pgd=00000000 # [ 79.711194] Internal error: Oops: 80000005 [#9] SMP ARM # [ 79.716436] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 79.745488] CPU: 3 PID: 2134 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 79.753242] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.759783] PC is at 0x0 # [ 79.762338] LR is at execute_location+0xa4/0xb4 # [ 79.766877] pc : [<00000000>] lr : [] psr: 600e0013 # [ 79.773154] sp : c6243e38 ip : 00000027 fp : c6243e54 # [ 79.778386] r10: 0000000a r9 : c1acf2c8 r8 : c15ead50 # [ 79.783617] r7 : c6243f60 r6 : 00000000 r5 : 00000000 r4 : c0c544dc # [ 79.790151] r3 : 9ce09ace r2 : 9ce09ace r1 : ef7c05e4 r0 : 0000002b # [ 79.796689] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.803832] Control: 10c5387d Table: 162a404a DAC: 00000051 # [ 79.809589] Process cat (pid: 2134, stack limit = 0x89e3de91) # [ 79.815345] Stack: (0xc6243e38 to 0xc6244000) # [ 79.819714] 3e20: 00000025 c44e1000 # [ 79.827906] 3e40: 0000000a c6243f60 c6243e64 c6243e58 c138c204 c138bf60 c6243e74 c6243e68 # [ 79.836095] 3e60: c0c5376c c138c1f0 c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c602a3c0 # [ 79.844285] 3e80: b6e80000 0000000a c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 # [ 79.852474] 3ea0: 00000000 c602a3c0 b6e80000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 # [ 79.860663] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 # [ 79.868853] 3ee0: b6e80000 00020000 00000004 0000000a 0001fff6 c6243ee0 00000001 b6e7f000 # [ 79.877042] 3f00: c2f75540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.885231] 3f20: 00000000 00000000 c13a14b0 9ce09ace c205e3e0 c602a3c0 c602a3c0 c6242000 # [ 79.893419] 3f40: b6e80000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 # [ 79.901609] 3f60: 00000000 00000000 c6243fac 9ce09ace 0000000a 0000000a b6fc7e00 00000004 # [ 79.909798] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 # [ 79.917989] 3fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e80000 0000000a 00000000 # [ 79.926179] 3fc0: 0000000a 0000000a b6fc7e00 00000004 00000001 00000000 00020000 be895ac4 # [ 79.934370] 3fe0: 00000004 be8957f8 b6f31d8f b6eb87e6 800e0030 00000001 00000000 00000000 # [ 79.942553] Backtrace: # [ 79.945025] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 79.953216] r7:c6243f60 r6:0000000a r5:c44e1000 r4:00000025 # [ 79.958896] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.967004] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.975029] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.982959] r9:c6243f60 r8:c307f9c0 r7:0000000a r6:b6e80000 r5:c602a3c0 r4:c0c53b4c # [ 79.990724] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.998566] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6e80000 r5:c602a3c0 r4:00000000 # [ 80.006325] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.013471] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6242000 r5:c602a3c0 # [ 80.021308] r4:c602a3c0 # [ 80.023855] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.031002] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:0000000a r4:0000000a # [ 80.038760] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.046337] Exception stack(0xc6243fa8 to 0xc6243ff0) # [ 80.051400] 3fa0: 0000000a 0000000a 00000001 b6e80000 0000000a 00000000 # [ 80.059590] 3fc0: 0000000a 0000000a b6fc7e00 00000004 00000001 00000000 00020000 be895ac4 # [ 80.067776] 3fe0: 00000004 be8957f8 b6f31d8f b6eb87e6 # [ 80.072845] Code: bad PC value # [ 80.076008] ---[ end trace cceb88b828b1345a ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not o[ 80.624394] lkdtm: Performing direct entry ACCESS_USERSPACE k 36 selftests: lkdtm: EXEC_NULL.[ 80.631280] lkdtm: attempting bad read at b6fe1000 sh # exit=1 # selftests: lkdtm: [ 80.638905] 8<--- cut here --- ACCESS_USERSPACE.sh [ 80.644739] Unhandled fault: page domain fault (0x01b) at 0xb6fe1000 [ 80.652915] pgd = 2103e5b9 [ 80.655632] [b6fe1000] *pgd=494ee831 [ 80.659228] Internal error: : 1b [#10] SMP ARM [ 80.663683] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 80.692756] CPU: 1 PID: 2210 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 80.700508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 80.707056] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 80.712303] LR is at __irq_work_queue_local+0x40/0x74 [ 80.717364] pc : [] lr : [] psr: 600e0013 [ 80.723640] sp : c5cefe38 ip : c5cefd40 fp : c5cefe64 [ 80.728872] r10: 00000011 r9 : c1acf2d4 r8 : c15ead50 [ 80.734104] r7 : c5ceff60 r6 : 00000051 r5 : c5cee000 r4 : b6fe1000 [ 80.740638] r3 : 0dd66fab r2 : 0dd66fab r1 : ef7965e0 r0 : 00000026 [ 80.747175] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 80.754321] Control: 10c5387d Table: 1476804a DAC: 00000051 [ 80.760076] Process cat (pid: 2210, stack limit = 0x53e93a21) [ 80.765832] Stack: (0xc5cefe38 to 0xc5cf0000) [ 80.770202] fe20: 00000022 00000000 [ 80.778394] fe40: 00000000 0dd66fab c5cefe6c 00000026 c5f77000 00000011 c5cefe74 c5cefe68 [ 80.786585] fe60: c0c5376c c0c5464c c5cefe9c c5cefe78 c0c53c6c c0c5374c c0c53b4c c580cf00 [ 80.794775] fe80: b6e9b000 00000011 c307f9c0 c5ceff60 c5cefec4 c5cefea0 c07e066c c0c53b58 [ 80.802965] fea0: 00000000 c580cf00 b6e9b000 c2815800 c5ceff60 c07e0608 c5ceff5c c5cefec8 [ 80.811156] fec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5cee000 [ 80.819344] fee0: b6e9b000 00020000 00000004 00000011 0001ffef c5cefee0 00000001 b6e9a000 [ 80.827532] ff00: c47fc140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 80.835722] ff20: 00000000 00000000 c13a14b0 0dd66fab c205e3e0 c580cf00 c580cf00 c5cee000 [ 80.843913] ff40: b6e9b000 00000000 00000000 00000004 c5ceff94 c5ceff60 c059b29c c059abf0 [ 80.852100] ff60: 00000000 00000000 c5ceffac 0dd66fab 00000011 00000011 b6fe2e00 00000004 [ 80.860288] ff80: c03002e4 c5cee000 c5ceffa4 c5ceff98 c059b32c c059b234 00000000 c5ceffa8 [ 80.868477] ffa0: c03000c0 c059b320 00000011 00000011 00000001 b6e9b000 00000011 00000000 [ 80.876668] ffc0: 00000011 00000011 b6fe2e00 00000004 00000001 00000000 00020000 be8daac4 [ 80.884859] ffe0: 00000004 be8da7f8 b6f4cd8f b6ed37e6 800e0030 00000001 00000000 00000000 [ 80.893041] Backtrace: [ 80.895511] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 80.904222] r6:00000011 r5:c5f77000 r4:00000026 [ 80.908852] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 80.916875] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.924804] r9:c5ceff60 r8:c307f9c0 r7:00000011 r6:b6e9b000 r5:c580cf00 r4:c0c53b4c [ 80.932567] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 80.940408] r9:c07e0608 r8:c5ceff60 r7:c2815800 r6:b6e9b000 r5:c580cf00 r4:00000000 [ 80.948164] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.955313] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c5cee000 r5:c580cf00 [ 80.963150] r4:c580cf00 [ 80.965698] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.972846] r9:c5cee000 r8:c03002e4 r7:00000004 r6:b6fe2e00 r5:00000011 r4:00000011 [ 80.980606] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.988184] Exception stack(0xc5ceffa8 to 0xc5cefff0) [ 80.993247] ffa0: 00000011 00000011 00000001 b6e9b000 00000011 00000000 [ 81.001436] ffc0: 00000011 00000011 b6fe2e00 00000004 00000001 00000000 00020000 be8daac4 [ 81.009621] ffe0: 00000004 be8da7f8 b6f4cd8f b6ed37e6 [ 81.014686] Code: e1a01004 e30001f8 e34c01ad eb1cb2a2 (e5943000) [ 81.020795] ---[ end trace cceb88b828b1345b ]--- # Segmentation fault # [ 80.624394] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.631280] lkdtm: attempting bad read at b6fe1000 # [ 80.638905] 8<--- cut here --- # [ 80.644739] Unhandled fault: page domain fault (0x01b) at 0xb6fe1000 # [ 80.652915] pgd = 2103e5b9 # [ 80.655632] [b6fe1000] *pgd=494ee831 # [ 80.659228] Internal error: : 1b [#10] SMP ARM # [ 80.663683] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 80.692756] CPU: 1 PID: 2210 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 80.700508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.707056] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 80.712303] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.717364] pc : [] lr : [] psr: 600e0013 # [ 80.723640] sp : c5cefe38 ip : c5cefd40 fp : c5cefe64 # [ 80.728872] r10: 00000011 r9 : c1acf2d4 r8 : c15ead50 # [ 80.734104] r7 : c5ceff60 r6 : 00000051 r5 : c5cee000 r4 : b6fe1000 # [ 80.740638] r3 : 0dd66fab r2 : 0dd66fab r1 : ef7965e0 r0 : 00000026 # [ 80.747175] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.754321] Control: 10c5387d Table: 1476804a DAC: 00000051 # [ 80.760076] Process cat (pid: 2210, stack limit = 0x53e93a21) # [ 80.765832] Stack: (0xc5cefe38 to 0xc5cf0000) # [ 80.770202] fe20: 00000022 00000000 # [ 80.778394] fe40: 00000000 0dd66fab c5cefe6c 00000026 c5f77000 00000011 c5cefe74 c5cefe68 # [ 80.786585] fe60: c0c5376c c0c5464c c5cefe9c c5cefe78 c0c53c6c c0c5374c c0c53b4c c580cf00 # [ 80.794775] fe80: b6e9b000 00000011 c307f9c0 c5ceff60 c5cefec4 c5cefea0 c07e066c c0c53b58 # [ 80.802965] fea0: 00000000 c580cf00 b6e9b000 c2815800 c5ceff60 c07e0608 c5ceff5c c5cefec8 # [ 80.811156] fec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5cee000 # [ 80.819344] fee0: b6e9b000 00020000 00000004 00000011 0001ffef c5cefee0 00000001 b6e9a000 # [ 80.827532] ff00: c47fc140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.835722] ff20: 00000000 00000000 c13a14b0 0dd66fab c205e3e0 c580cf00 c580cf00 c5cee000 # [ 80.843913] ff40: b6e9b000 00000000 00000000 00000004 c5ceff94 c5ceff60 c059b29c c059abf0 # [ 80.852100] ff60: 00000000 00000000 c5ceffac 0dd66fab 00000011 00000011 b6fe2e00 00000004 # [ 80.860288] ff80: c03002e4 c5cee000 c5ceffa4 c5ceff98 c059b32c c059b234 00000000 c5ceffa8 # [ 80.868477] ffa0: c03000c0 c059b320 00000011 00000011 00000001 b6e9b000 00000011 00000000 # [ 80.876668] ffc0: 00000011 00000011 b6fe2e00 00000004 00000001 00000000 00020000 be8daac4 # [ 80.884859] ffe0: 00000004 be8da7f8 b6f4cd8f b6ed37e6 800e0030 00000001 00000000 00000000 # [ 80.893041] Backtrace: # [ 80.895511] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.904222] r6:00000011 r5:c5f77000 r4:00000026 # [ 80.908852] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.916875] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.924804] r9:c5ceff60 r8:c307f9c0 r7:00000011 r6:b6e9b000 r5:c580cf00 r4:c0c53b4c # [ 80.932567] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.940408] r9:c07e0608 r8:c5ceff60 r7:c2815800 r6:b6e9b000 r5:c580cf00 r4:00000000 # [ 80.948164] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.955313] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c5cee000 r5:c580cf00 # [ 80.963150] r4:c580cf00 # [ 80.965698] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.972846] r9:c5cee000 r8:c03002e4 r7:00000004 r6:b6fe2e00 r5:00000011 r4:00000011 # [ 80.980606] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.988184] Exception stack(0xc5ceffa8 to 0xc5cefff0) # [ 80.993247] ffa0: 00000011 00000011 00000001 b6e9b000 00000011 00000000 # [ 81.001436] ffc0: 00000011 00000011 b6fe2e00 00000004 00000001 00000000 00020000 be8daac4 # [ 81.009621] ffe0: 00000004 be8da7f8 b6f4cd8f b6ed37e6 # [ 81.014686] Code: e1a01004 e30001f8 e34c01ad eb1cb2a2 (e5943000) # [ 81.020795] ---[ end trace cceb88b828b1345b ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 81.599311] lkdtm: Performing direct entry ACCESS_NULL [ 81.604477] lkdtm: attempting bad read at 00000000 [ 81.609385] 8<--- cut here --- [ 81.612460] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 81.620657] pgd = 50d9174b [ 81.623384] [00000000] *pgd=00000000 [ 81.627068] Internal error: Oops: 5 [#11] SMP ARM [ 81.631790] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 81.660848] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 81.668599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 81.675151] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 81.679788] LR is at __irq_work_queue_local+0x40/0x74 [ 81.684848] pc : [] lr : [] psr: 600e0013 [ 81.691123] sp : c6209e50 ip : c6209d58 fp : c6209e64 [ 81.696355] r10: 0000000c r9 : c1acf2e8 r8 : c15ead50 [ 81.701588] r7 : c6209f60 r6 : 0000000c r5 : c613e000 r4 : 00000000 [ 81.708122] r3 : 379be3f6 r2 : 379be3f6 r1 : ef7c05e0 r0 : 00000026 [ 81.714658] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 81.721802] Control: 10c5387d Table: 1619404a DAC: 00000051 [ 81.727558] Process cat (pid: 2285, stack limit = 0xfecf6a39) [ 81.733315] Stack: (0xc6209e50 to 0xc620a000) [ 81.737686] 9e40: 00000027 c613e000 c6209e74 c6209e68 [ 81.745876] 9e60: c0c5376c c138c214 c6209e9c c6209e78 c0c53c6c c0c5374c c0c53b4c c4759cc0 [ 81.754065] 9e80: b6e6a000 0000000c c307f9c0 c6209f60 c6209ec4 c6209ea0 c07e066c c0c53b58 [ 81.762255] 9ea0: 00000000 c4759cc0 b6e6a000 c2815800 c6209f60 c07e0608 c6209f5c c6209ec8 [ 81.770446] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6208000 [ 81.778635] 9ee0: b6e6a000 00020000 00000004 0000000c 0001fff4 c6209ee0 00000001 b6e69000 [ 81.786824] 9f00: c5d26b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 81.795015] 9f20: 00000000 00000000 c13a14b0 379be3f6 c205e3e0 c4759cc0 c4759cc0 c6208000 [ 81.803203] 9f40: b6e6a000 00000000 00000000 00000004 c6209f94 c6209f60 c059b29c c059abf0 [ 81.811391] 9f60: 00000000 00000000 c6209fac 379be3f6 0000000c 0000000c b6fb1e00 00000004 [ 81.819580] 9f80: c03002e4 c6208000 c6209fa4 c6209f98 c059b32c c059b234 00000000 c6209fa8 [ 81.827770] 9fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e6a000 0000000c 00000000 [ 81.835959] 9fc0: 0000000c 0000000c b6fb1e00 00000004 00000001 00000000 00020000 bec9cac4 [ 81.844149] 9fe0: 00000004 bec9c7f8 b6f1bd8f b6ea27e6 800e0030 00000001 00000000 00000000 [ 81.852330] Backtrace: [ 81.854804] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 81.863079] r5:c613e000 r4:00000027 [ 81.866668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 81.874691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 81.882621] r9:c6209f60 r8:c307f9c0 r7:0000000c r6:b6e6a000 r5:c4759cc0 r4:c0c53b4c [ 81.890383] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 81.898227] r9:c07e0608 r8:c6209f60 r7:c2815800 r6:b6e6a000 r5:c4759cc0 r4:00000000 [ 81.905983] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 81.913133] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c6208000 r5:c4759cc0 [ 81.920968] r4:c4759cc0 [ 81.923515] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 81.930661] r9:c6208000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000c r4:0000000c [ 81.938422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 81.945998] Exception stack(0xc6209fa8 to 0xc6209ff0) [ 81.951062] 9fa0: 0000000c 0000000c 00000001 b6e6a000 0000000c 00000000 [ 81.959254] 9fc0: 0000000c 0000000c b6fb1e00 00000004 00000001 00000000 00020000 bec9cac4 [ 81.967440] 9fe0: 00000004 bec9c7f8 b6f1bd8f b6ea27e6 [ 81.972506] Code: e30001f8 e34c01ad e1a01004 ebffd3eb (e5945000) [ 81.978717] ---[ end trace cceb88b828b1345c ]--- # Segmentation fault # [ 81.599311] lkdtm: Performing direct entry ACCESS_NULL # [ 81.604477] lkdtm: attempting bad read at 00000000 # [ 81.609385] 8<--- cut here --- # [ 81.612460] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.620657] pgd = 50d9174b # [ 81.623384] [00000000] *pgd=00000000 # [ 81.627068] Internal error: Oops: 5 [#11] SMP ARM # [ 81.631790] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 81.660848] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 81.668599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.675151] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 81.679788] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.684848] pc : [] lr : [] psr: 600e0013 # [ 81.691123] sp : c6209e50 ip : c6209d58 fp : c6209e64 # [ 81.696355] r10: 0000000c r9 : c1acf2e8 r8 : c15ead50 # [ 81.701588] r7 : c6209f60 r6 : 0000000c r5 : c613e000 r4 : 00000000 # [ 81.708122] r3 : 379be3f6 r2 : 379be3f6 r1 : ef7c05e0 r0 : 00000026 # [ 81.714658] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.721802] Control: 10c5387d Table: 1619404a DAC: 00000051 # [ 81.727558] Process cat (pid: 2285, stack limit = 0xfecf6a39) # [ 81.733315] Stack: (0xc6209e50 to 0xc620a000) # [ 81.737686] 9e40: 00000027 c613e000 c6209e74 c6209e68 # [ 81.745876] 9e60: c0c5376c c138c214 c6209e9c c6209e78 c0c53c6c c0c5374c c0c53b4c c4759cc0 # [ 81.754065] 9e80: b6e6a000 0000000c c307f9c0 c6209f60 c6209ec4 c6209ea0 c07e066c c0c53b58 # [ 81.762255] 9ea0: 00000000 c4759cc0 b6e6a000 c2815800 c6209f60 c07e0608 c6209f5c c6209ec8 # [ 81.770446] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6208000 # [ 81.778635] 9ee0: b6e6a000 00020000 00000004 0000000c 0001fff4 c6209ee0 00000001 b6e69000 # [ 81.786824] 9f00: c5d26b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.795015] 9f20: 00000000 00000000 c13a14b0 379be3f6 c205e3e0 c4759cc0 c4759cc0 c6208000 # [ 81.803203] 9f40: b6e6a000 00000000 00000000 00000004 c6209f94 c6209f60 c059b29c c059abf0 # [ 81.811391] 9f60: 00000000 00000000 c6209fac 379be3f6 0000000c 0000000c b6fb1e00 00000004 # [ 81.819580] 9f80: c03002e4 c6208000 c6209fa4 c6209f98 c059b32c c059b234 00000000 c6209fa8 # [ 81.827770] 9fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e6a000 0000000c 00000000 # [ 81.835959] 9fc0: 0000000c 0000000c b6fb1e00 00000004 00000001 00000000 00020000 bec9cac4 # [ 81.844149] 9fe0: 00000004 bec9c7f8 b6f1bd8f b6ea27e6 800e0030 00000001 00000000 00000000 # [ 81.852330] Backtrace: # [ 81.854804] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.863079] r5:c613e000 r4:00000027 # [ 81.866668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.874691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.882621] r9:c6209f60 r8:c307f9c0 r7:0000000c r6:b6e6a000 r5:c4759cc0 r4:c0c53b4c # [ 81.890383] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.898227] r9:c07e0608 r8:c6209f60 r7:c2815800 r6:b6e6a000 r5:c4759cc0 r4:00000000 # [ 81.905983] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.913133] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c6208000 r5:c4759cc0 # [ 81.920968] r4:c4759cc0 # [ 81.923515] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.930661] r9:c6208000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000c r4:0000000c # [ 81.938422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.945998] Exception stack(0xc6209fa8 to 0xc6209ff0) # [ 81.951062] 9fa0: 0000000c 0000000c 00000001 b6e6a000 0000000c 00000000 # [ 81.959254] 9fc0: 0000000c 0000000c b6fb1e00 00000004 00000001 00000000 00020000 bec9cac4 # [ 81.967440] 9fe0: 00000004 bec9c7f8 b6f1bd8f b6ea27e6 # [ 81.972506] Code: e30001f8 e34c01ad e1a01004 ebffd3eb (e5945000) # [ 81.978717] ---[ end trace cceb88b828b1345c ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh [ 82.549334] lkdtm: Performing direct entry WRITE_RO [ 82.554240] lkdtm: attempting bad rodata write at c15eafe8 [ 82.559850] 8<--- cut here --- [ 82.562922] Unable to handle kernel paging request at virtual address c15eafe8 [ 82.570159] pgd = c5ae839f [ 82.572877] [c15eafe8] *pgd=1141941e(bad) [ 82.576917] Internal error: Oops: 80d [#12] SMP ARM [ 82.581806] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 82.610878] CPU: 3 PID: 2359 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 82.618628] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 82.625177] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 82.629555] LR is at __irq_work_queue_local+0x40/0x74 [ 82.634617] pc : [] lr : [] psr: 600e0013 [ 82.640892] sp : c5ea1e50 ip : c5ea1d58 fp : c5ea1e64 [ 82.646123] r10: 00000009 r9 : c1acf2f4 r8 : c15ead50 [ 82.651354] r7 : c5ea1f60 r6 : 00000009 r5 : c613e000 r4 : c15eafe8 [ 82.657888] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad00f8 [ 82.664424] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 82.671568] Control: 10c5387d Table: 1602404a DAC: 00000051 [ 82.677326] Process cat (pid: 2359, stack limit = 0xc6e08050) [ 82.683080] Stack: (0xc5ea1e50 to 0xc5ea2000) [ 82.687450] 1e40: 00000028 c613e000 c5ea1e74 c5ea1e68 [ 82.695640] 1e60: c0c5376c c138c014 c5ea1e9c c5ea1e78 c0c53c6c c0c5374c c0c53b4c c60ccf00 [ 82.703830] 1e80: b6e8b000 00000009 c307f9c0 c5ea1f60 c5ea1ec4 c5ea1ea0 c07e066c c0c53b58 [ 82.712020] 1ea0: 00000000 c60ccf00 b6e8b000 c2815800 c5ea1f60 c07e0608 c5ea1f5c c5ea1ec8 [ 82.720210] 1ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5ea0000 [ 82.728398] 1ee0: b6e8b000 00020000 00000004 00000009 0001fff7 c5ea1ee0 00000001 b6e8a000 [ 82.736588] 1f00: c5c5b180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 82.744778] 1f20: 00000000 00000000 c13a14b0 73583b45 c205e3e0 c60ccf00 c60ccf00 c5ea0000 [ 82.752968] 1f40: b6e8b000 00000000 00000000 00000004 c5ea1f94 c5ea1f60 c059b29c c059abf0 [ 82.761156] 1f60: 00000000 00000000 c5ea1fac 73583b45 00000009 00000009 b6fd2e00 00000004 [ 82.769345] 1f80: c03002e4 c5ea0000 c5ea1fa4 c5ea1f98 c059b32c c059b234 00000000 c5ea1fa8 [ 82.777534] 1fa0: c03000c0 c059b320 00000009 00000009 00000001 b6e8b000 00000009 00000000 [ 82.785723] 1fc0: 00000009 00000009 b6fd2e00 00000004 00000001 00000000 00020000 bed39ac4 [ 82.793912] 1fe0: 00000004 bed397f8 b6f3cd8f b6ec37e6 800e0030 00000001 00000000 00000000 [ 82.802094] Backtrace: [ 82.804568] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.812581] r5:c613e000 r4:00000028 [ 82.816171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.824194] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.832124] r9:c5ea1f60 r8:c307f9c0 r7:00000009 r6:b6e8b000 r5:c60ccf00 r4:c0c53b4c [ 82.839884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 82.847725] r9:c07e0608 r8:c5ea1f60 r7:c2815800 r6:b6e8b000 r5:c60ccf00 r4:00000000 [ 82.855482] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 82.862629] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c5ea0000 r5:c60ccf00 [ 82.870465] r4:c60ccf00 [ 82.873012] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.880159] r9:c5ea0000 r8:c03002e4 r7:00000004 r6:b6fd2e00 r5:00000009 r4:00000009 [ 82.887919] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.895496] Exception stack(0xc5ea1fa8 to 0xc5ea1ff0) [ 82.900560] 1fa0: 00000009 00000009 00000001 b6e8b000 00000009 00000000 [ 82.908751] 1fc0: 00000009 00000009 b6fd2e00 00000004 00000001 00000000 00020000 bed39ac4 [ 82.916937] 1fe0: 00000004 bed397f8 b6f3cd8f b6ec37e6 [ 82.922003] Code: e34a3bcd e30000f8 e34c01ad e0233002 (e5843000) [ 82.928110] ---[ end trace cceb88b828b1345d ]--- # Segmentation fault # [ 82.549334] lkdtm: Performing direct entry WRITE_RO # [ 82.554240] lkdtm: attempting bad rodata write at c15eafe8 # [ 82.559850] 8<--- cut here --- # [ 82.562922] Unable to handle kernel paging request at virtual address c15eafe8 # [ 82.570159] pgd = c5ae839f # [ 82.572877] [c15eafe8] *pgd=1141941e(bad) # [ 82.576917] Internal error: Oops: 80d [#12] SMP ARM # [ 82.581806] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 82.610878] CPU: 3 PID: 2359 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 82.618628] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.625177] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 82.629555] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.634617] pc : [] lr : [] psr: 600e0013 # [ 82.640892] sp : c5ea1e50 ip : c5ea1d58 fp : c5ea1e64 # [ 82.646123] r10: 00000009 r9 : c1acf2f4 r8 : c15ead50 # [ 82.651354] r7 : c5ea1f60 r6 : 00000009 r5 : c613e000 r4 : c15eafe8 # [ 82.657888] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad00f8 # [ 82.664424] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.671568] Control: 10c5387d Table: 1602404a DAC: 00000051 # [ 82.677326] Process cat (pid: 2359, stack limit = 0xc6e08050) # [ 82.683080] Stack: (0xc5ea1e50 to 0xc5ea2000) # [ 82.687450] 1e40: 00000028 c613e000 c5ea1e74 c5ea1e68 # [ 82.695640] 1e60: c0c5376c c138c014 c5ea1e9c c5ea1e78 c0c53c6c c0c5374c c0c53b4c c60ccf00 # [ 82.703830] 1e80: b6e8b000 00000009 c307f9c0 c5ea1f60 c5ea1ec4 c5ea1ea0 c07e066c c0c53b58 # [ 82.712020] 1ea0: 00000000 c60ccf00 b6e8b000 c2815800 c5ea1f60 c07e0608 c5ea1f5c c5ea1ec8 # [ 82.720210] 1ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c5ea0000 # [ 82.728398] 1ee0: b6e8b000 00020000 00000004 00000009 0001fff7 c5ea1ee0 00000001 b6e8a000 # [ 82.736588] 1f00: c5c5b180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.744778] 1f20: 00000000 00000000 c13a14b0 73583b45 c205e3e0 c60ccf00 c60ccf00 c5ea0000 # [ 82.752968] 1f40: b6e8b000 00000000 00000000 00000004 c5ea1f94 c5ea1f60 c059b29c c059abf0 # [ 82.761156] 1f60: 00000000 00000000 c5ea1fac 73583b45 00000009 00000009 b6fd2e00 00000004 # [ 82.769345] 1f80: c03002e4 c5ea0000 c5ea1fa4 c5ea1f98 c059b32c c059b234 00000000 c5ea1fa8 # [ 82.777534] 1fa0: c03000c0 c059b320 00000009 00000009 00000001 b6e8b000 00000009 00000000 # [ 82.785723] 1fc0: 00000009 00000009 b6fd2e00 00000004 00000001 00000000 00020000 bed39ac4 # [ 82.793912] 1fe0: 00000004 bed397f8 b6f3cd8f b6ec37e6 800e0030 00000001 00000000 00000000 # [ 82.802094] Backtrace: # [ 82.804568] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.812581] r5:c613e000 r4:00000028 # [ 82.816171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.824194] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.832124] r9:c5ea1f60 r8:c307f9c0 r7:00000009 r6:b6e8b000 r5:c60ccf00 r4:c0c53b4c # [ 82.839884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.847725] r9:c07e0608 r8:c5ea1f60 r7:c2815800 r6:b6e8b000 r5:c60ccf00 r4:00000000 # [ 82.855482] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.862629] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c5ea0000 r5:c60ccf00 # [ 82.870465] r4:c60ccf00 # [ 82.873012] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.880159] r9:c5ea0000 r8:c03002e4 r7:00000004 r6:b6fd2e00 r5:00000009 r4:00000009 # [ 82.887919] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.895496] Exception stack(0xc5ea1fa8 to 0xc5ea1ff0) # [ 82.900560] 1fa0: 00000009 00000009 00000001 b6e8b000 00000009 00000000 # [ 82.908751] 1fc0: 00000009 00000009 b6fd2e00 00000004 00000001 00000000 00020000 bed39ac4 # [ 82.916937] 1fe0: 00000004 bed397f8 b6f3cd8f b6ec37e6 # [ 82.922003] Code: e34a3bcd e30000f8 e34c01ad e0233002 (e5843000) # [ 82.928110] ---[ end trace cceb88b828b1345d ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 83.486868] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 83.492729] lkdtm: attempting bad ro_after_init write at c1b80c60 [ 83.498915] 8<--- cut here --- [ 83.501984] Unable to handle kernel paging request at virtual address c1b80c60 [ 83.509218] pgd = 8b1074cf [ 83.511935] [c1b80c60] *pgd=11a1941e(bad) [ 83.515971] Internal error: Oops: 80d [#13] SMP ARM [ 83.520861] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 83.549933] CPU: 3 PID: 2433 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 83.557683] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.564235] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 83.569567] LR is at __irq_work_queue_local+0x40/0x74 [ 83.574629] pc : [] lr : [] psr: 600e0013 [ 83.580902] sp : c61c5e50 ip : c61c5d58 fp : c61c5e64 [ 83.586135] r10: 00000014 r9 : c1acf300 r8 : c15ead50 [ 83.591367] r7 : c61c5f60 r6 : 00000014 r5 : c44e1000 r4 : c1b80c60 [ 83.597900] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad00f8 [ 83.604436] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 83.611580] Control: 10c5387d Table: 1600404a DAC: 00000051 [ 83.617335] Process cat (pid: 2433, stack limit = 0x41c4f5f1) [ 83.623092] Stack: (0xc61c5e50 to 0xc61c6000) [ 83.627463] 5e40: 00000029 c44e1000 c61c5e74 c61c5e68 [ 83.635655] 5e60: c0c5376c c138c064 c61c5e9c c61c5e78 c0c53c6c c0c5374c c0c53b4c c60cd900 [ 83.643844] 5e80: b6e9d000 00000014 c307f9c0 c61c5f60 c61c5ec4 c61c5ea0 c07e066c c0c53b58 [ 83.652035] 5ea0: 00000000 c60cd900 b6e9d000 c2815800 c61c5f60 c07e0608 c61c5f5c c61c5ec8 [ 83.660225] 5ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c61c4000 [ 83.668414] 5ee0: b6e9d000 00020000 00000004 00000014 0001ffec c61c5ee0 00000001 b6e9c000 [ 83.676602] 5f00: c607c640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 83.684793] 5f20: 00000000 00000000 c13a14b0 e64ea17c c205e3e0 c60cd900 c60cd900 c61c4000 [ 83.692984] 5f40: b6e9d000 00000000 00000000 00000004 c61c5f94 c61c5f60 c059b29c c059abf0 [ 83.701172] 5f60: 00000000 00000000 c61c5fac e64ea17c 00000014 00000014 b6fe4e00 00000004 [ 83.709360] 5f80: c03002e4 c61c4000 c61c5fa4 c61c5f98 c059b32c c059b234 00000000 c61c5fa8 [ 83.717548] 5fa0: c03000c0 c059b320 00000014 00000014 00000001 b6e9d000 00000014 00000000 [ 83.725737] 5fc0: 00000014 00000014 b6fe4e00 00000004 00000001 00000000 00020000 be88bac4 [ 83.733926] 5fe0: 00000004 be88b7f8 b6f4ed8f b6ed57e6 800e0030 00000001 00000000 00000000 [ 83.742107] Backtrace: [ 83.744581] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.753549] r5:c44e1000 r4:00000029 [ 83.757139] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.765162] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.773091] r9:c61c5f60 r8:c307f9c0 r7:00000014 r6:b6e9d000 r5:c60cd900 r4:c0c53b4c [ 83.780853] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 83.788698] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e9d000 r5:c60cd900 r4:00000000 [ 83.796455] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.803602] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c61c4000 r5:c60cd900 [ 83.811439] r4:c60cd900 [ 83.813986] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.821132] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000014 r4:00000014 [ 83.828892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.836467] Exception stack(0xc61c5fa8 to 0xc61c5ff0) [ 83.841531] 5fa0: 00000014 00000014 00000001 b6e9d000 00000014 00000000 [ 83.849720] 5fc0: 00000014 00000014 b6fe4e00 00000004 00000001 00000000 00020000 be88bac4 [ 83.857907] 5fe0: 00000004 be88b7f8 b6f4ed8f b6ed57e6 [ 83.862971] Code: e34a3bcd e30000f8 e34c01ad e0233002 (e5843000) [ 83.869078] ---[ end trace cceb88b828b1345e ]--- # Segmentation fault # [ 83.486868] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.492729] lkdtm: attempting bad ro_after_init write at c1b80c60 # [ 83.498915] 8<--- cut here --- # [ 83.501984] Unable to handle kernel paging request at virtual address c1b80c60 # [ 83.509218] pgd = 8b1074cf # [ 83.511935] [c1b80c60] *pgd=11a1941e(bad) # [ 83.515971] Internal error: Oops: 80d [#13] SMP ARM # [ 83.520861] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 83.549933] CPU: 3 PID: 2433 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 83.557683] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.564235] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 83.569567] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.574629] pc : [] lr : [] psr: 600e0013 # [ 83.580902] sp : c61c5e50 ip : c61c5d58 fp : c61c5e64 # [ 83.586135] r10: 00000014 r9 : c1acf300 r8 : c15ead50 # [ 83.591367] r7 : c61c5f60 r6 : 00000014 r5 : c44e1000 r4 : c1b80c60 # [ 83.597900] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad00f8 # [ 83.604436] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.611580] Control: 10c5387d Table: 1600404a DAC: 00000051 # [ 83.617335] Process cat (pid: 2433, stack limit = 0x41c4f5f1) # [ 83.623092] Stack: (0xc61c5e50 to 0xc61c6000) # [ 83.627463] 5e40: 00000029 c44e1000 c61c5e74 c61c5e68 # [ 83.635655] 5e60: c0c5376c c138c064 c61c5e9c c61c5e78 c0c53c6c c0c5374c c0c53b4c c60cd900 # [ 83.643844] 5e80: b6e9d000 00000014 c307f9c0 c61c5f60 c61c5ec4 c61c5ea0 c07e066c c0c53b58 # [ 83.652035] 5ea0: 00000000 c60cd900 b6e9d000 c2815800 c61c5f60 c07e0608 c61c5f5c c61c5ec8 # [ 83.660225] 5ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c61c4000 # [ 83.668414] 5ee0: b6e9d000 00020000 00000004 00000014 0001ffec c61c5ee0 00000001 b6e9c000 # [ 83.676602] 5f00: c607c640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.684793] 5f20: 00000000 00000000 c13a14b0 e64ea17c c205e3e0 c60cd900 c60cd900 c61c4000 # [ 83.692984] 5f40: b6e9d000 00000000 00000000 00000004 c61c5f94 c61c5f60 c059b29c c059abf0 # [ 83.701172] 5f60: 00000000 00000000 c61c5fac e64ea17c 00000014 00000014 b6fe4e00 00000004 # [ 83.709360] 5f80: c03002e4 c61c4000 c61c5fa4 c61c5f98 c059b32c c059b234 00000000 c61c5fa8 # [ 83.717548] 5fa0: c03000c0 c059b320 00000014 00000014 00000001 b6e9d000 00000014 00000000 # [ 83.725737] 5fc0: 00000014 00000014 b6fe4e00 00000004 00000001 00000000 00020000 be88bac4 # [ 83.733926] 5fe0: 00000004 be88b7f8 b6f4ed8f b6ed57e6 800e0030 00000001 00000000 00000000 # [ 83.742107] Backtrace: # [ 83.744581] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.753549] r5:c44e1000 r4:00000029 # [ 83.757139] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.765162] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.773091] r9:c61c5f60 r8:c307f9c0 r7:00000014 r6:b6e9d000 r5:c60cd900 r4:c0c53b4c # [ 83.780853] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.788698] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e9d000 r5:c60cd900 r4:00000000 # [ 83.796455] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.803602] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c61c4000 r5:c60cd900 # [ 83.811439] r4:c60cd900 # [ 83.813986] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.821132] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000014 r4:00000014 # [ 83.828892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.836467] Exception stack(0xc61c5fa8 to 0xc61c5ff0) # [ 83.841531] 5fa0: 00000014 00000014 00000001 b6e9d000 00000014 00000000 # [ 83.849720] 5fc0: 00000014 00000014 b6fe4e00 00000004 00000001 00000000 00020000 be88bac4 # [ 83.857907] 5fe0: 00000004 be88b7f8 b6f4ed8f b6ed57e6 # [ 83.862971] Code: e34a3bcd e30000f8 e34c01ad e0233002 (e5843000) # [ 83.869078] ---[ end trace cceb88b828b1345e ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh [ 84.439102] lkdtm: Performing direct entry WRITE_KERN [ 84.445817] lkdtm: attempting bad 7567956 byte write at c138bf30 [ 84.451844] 8<--- cut here --- [ 84.454908] Unable to handle kernel paging request at virtual address c138bf30 [ 84.462141] pgd = c5ae839f [ 84.464858] [c138bf30] *pgd=1121940e(bad) [ 84.468894] Internal error: Oops: 80d [#14] SMP ARM [ 84.473782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 84.502856] CPU: 0 PID: 2507 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 84.510607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 84.517151] PC is at memcpy+0x50/0x330 [ 84.520911] LR is at 0xe92dd830 [ 84.524061] pc : [] lr : [] psr: 200e0013 [ 84.530337] sp : c6243e2c ip : e1a0c00d fp : c6243e64 [ 84.535568] r10: 0000000b r9 : c1acf314 r8 : e89da800 [ 84.540800] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 84.547335] r3 : e1a0c00d r2 : 007379b4 r1 : c0c544fc r0 : c138bf30 [ 84.553872] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 84.561017] Control: 10c5387d Table: 1602404a DAC: 00000051 [ 84.566773] Process cat (pid: 2507, stack limit = 0x89e3de91) [ 84.572528] Stack: (0xc6243e2c to 0xc6244000) [ 84.576900] 3e20: c0c544dc 00737a54 c6243f60 c15ead50 c138bf30 [ 84.585088] 3e40: c138bf30 c138c114 0000002a c586b000 0000000b c6243f60 c6243e74 c6243e68 [ 84.593278] 3e60: c0c5376c c138c0d4 c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c61c9400 [ 84.601467] 3e80: b6e54000 0000000b c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 [ 84.609657] 3ea0: 00000000 c61c9400 b6e54000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 [ 84.617845] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 [ 84.626034] 3ee0: b6e54000 00020000 00000004 0000000b 0001fff5 c6243ee0 00000001 b6e53000 [ 84.634223] 3f00: c613c3c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 84.642413] 3f20: 00000000 00000000 c13a14b0 95b52b85 c205e3e0 c61c9400 c61c9400 c6242000 [ 84.650601] 3f40: b6e54000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 [ 84.658791] 3f60: 00000000 00000000 c6243fac 95b52b85 0000000b 0000000b b6f9be00 00000004 [ 84.666980] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 [ 84.675168] 3fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6e54000 0000000b 00000000 [ 84.683358] 3fc0: 0000000b 0000000b b6f9be00 00000004 00000001 00000000 00020000 be9e7ac4 [ 84.691547] 3fe0: 00000004 be9e77f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 [ 84.699728] Backtrace: [ 84.702208] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 84.710399] r7:c6243f60 r6:0000000b r5:c586b000 r4:0000002a [ 84.716070] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 84.724094] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 84.732025] r9:c6243f60 r8:c307f9c0 r7:0000000b r6:b6e54000 r5:c61c9400 r4:c0c53b4c [ 84.739788] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 84.747630] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6e54000 r5:c61c9400 r4:00000000 [ 84.755386] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.762534] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6242000 r5:c61c9400 [ 84.770370] r4:c61c9400 [ 84.772917] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.780063] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000b r4:0000000b [ 84.787822] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.795398] Exception stack(0xc6243fa8 to 0xc6243ff0) [ 84.800460] 3fa0: 0000000b 0000000b 00000001 b6e54000 0000000b 00000000 [ 84.808649] 3fc0: 0000000b 0000000b b6f9be00 00000004 00000001 00000000 00020000 be9e7ac4 [ 84.816834] 3fe0: 00000004 be9e77f8 b6f05d8f b6e8c7e6 [ 84.821899] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 84.828008] ---[ end trace cceb88b828b1345f ]--- # Segmentation fault # [ 84.439102] lkdtm: Performing direct entry WRITE_KERN # [ 84.445817] lkdtm: attempting bad 7567956 byte write at c138bf30 # [ 84.451844] 8<--- cut here --- # [ 84.454908] Unable to handle kernel paging request at virtual address c138bf30 # [ 84.462141] pgd = c5ae839f # [ 84.464858] [c138bf30] *pgd=1121940e(bad) # [ 84.468894] Internal error: Oops: 80d [#14] SMP ARM # [ 84.473782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 84.502856] CPU: 0 PID: 2507 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 84.510607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.517151] PC is at memcpy+0x50/0x330 # [ 84.520911] LR is at 0xe92dd830 # [ 84.524061] pc : [] lr : [] psr: 200e0013 # [ 84.530337] sp : c6243e2c ip : e1a0c00d fp : c6243e64 # [ 84.535568] r10: 0000000b r9 : c1acf314 r8 : e89da800 # [ 84.540800] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 84.547335] r3 : e1a0c00d r2 : 007379b4 r1 : c0c544fc r0 : c138bf30 # [ 84.553872] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.561017] Control: 10c5387d Table: 1602404a DAC: 00000051 # [ 84.566773] Process cat (pid: 2507, stack limit = 0x89e3de91) # [ 84.572528] Stack: (0xc6243e2c to 0xc6244000) # [ 84.576900] 3e20: c0c544dc 00737a54 c6243f60 c15ead50 c138bf30 # [ 84.585088] 3e40: c138bf30 c138c114 0000002a c586b000 0000000b c6243f60 c6243e74 c6243e68 # [ 84.593278] 3e60: c0c5376c c138c0d4 c6243e9c c6243e78 c0c53c6c c0c5374c c0c53b4c c61c9400 # [ 84.601467] 3e80: b6e54000 0000000b c307f9c0 c6243f60 c6243ec4 c6243ea0 c07e066c c0c53b58 # [ 84.609657] 3ea0: 00000000 c61c9400 b6e54000 c2815800 c6243f60 c07e0608 c6243f5c c6243ec8 # [ 84.617845] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c13a14b0 c059b29c c6242000 # [ 84.626034] 3ee0: b6e54000 00020000 00000004 0000000b 0001fff5 c6243ee0 00000001 b6e53000 # [ 84.634223] 3f00: c613c3c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.642413] 3f20: 00000000 00000000 c13a14b0 95b52b85 c205e3e0 c61c9400 c61c9400 c6242000 # [ 84.650601] 3f40: b6e54000 00000000 00000000 00000004 c6243f94 c6243f60 c059b29c c059abf0 # [ 84.658791] 3f60: 00000000 00000000 c6243fac 95b52b85 0000000b 0000000b b6f9be00 00000004 # [ 84.666980] 3f80: c03002e4 c6242000 c6243fa4 c6243f98 c059b32c c059b234 00000000 c6243fa8 # [ 84.675168] 3fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6e54000 0000000b 00000000 # [ 84.683358] 3fc0: 0000000b 0000000b b6f9be00 00000004 00000001 00000000 00020000 be9e7ac4 # [ 84.691547] 3fe0: 00000004 be9e77f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 # [ 84.699728] Backtrace: # [ 84.702208] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.710399] r7:c6243f60 r6:0000000b r5:c586b000 r4:0000002a # [ 84.716070] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.724094] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.732025] r9:c6243f60 r8:c307f9c0 r7:0000000b r6:b6e54000 r5:c61c9400 r4:c0c53b4c # [ 84.739788] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.747630] r9:c07e0608 r8:c6243f60 r7:c2815800 r6:b6e54000 r5:c61c9400 r4:00000000 # [ 84.755386] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.762534] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6242000 r5:c61c9400 # [ 84.770370] r4:c61c9400 # [ 84.772917] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.780063] r9:c6242000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000b r4:0000000b # [ 84.787822] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.795398] Exception stack(0xc6243fa8 to 0xc6243ff0) # [ 84.800460] 3fa0: 0000000b 0000000b 00000001 b6e54000 0000000b 00000000 # [ 84.808649] 3fc0: 0000000b 0000000b b6f9be00 00000004 00000001 00000000 00020000 be9e7ac4 # [ 84.816834] 3fe0: 00000004 be9e77f8 b6f05d8f b6e8c7e6 # [ 84.821899] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 84.828008] ---[ end trace cceb88b828b1345f ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 85.430313] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 85.436392] lkdtm: attempting good refcount_inc() without overflow [ 85.442587] lkdtm: attempting bad refcount_inc() overflow [ 85.448043] ------------[ cut here ]------------ [ 85.452691] WARNING: CPU: 0 PID: 2582 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 85.461198] refcount_t: saturated; leaking memory. [ 85.466036] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 85.495357] CPU: 0 PID: 2582 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 85.503111] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 85.509647] Backtrace: [ 85.512126] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 85.519709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 85.525388] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 85.532720] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 85.539695] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 [ 85.547454] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 85.554947] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c6208000 [ 85.560622] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 85.569592] r9:c1acf320 r8:c15ead50 r7:c6209f60 r6:00000016 r5:c6548000 r4:c6208000 [ 85.577353] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 85.587025] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 85.597128] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 85.606267] r4:0000002b [ 85.608815] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 85.616836] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 85.624765] r9:c6209f60 r8:c307f9c0 r7:00000016 r6:b6e10000 r5:c5b5fe00 r4:c0c53b4c [ 85.632528] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 85.640370] r9:c07e0608 r8:c6209f60 r7:c2815800 r6:b6e10000 r5:c5b5fe00 r4:00000000 [ 85.648125] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 85.655274] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c6208000 r5:c5b5fe00 [ 85.663109] r4:c5b5fe00 [ 85.665656] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 85.672802] r9:c6208000 r8:c03002e4 r7:00000004 r6:b6f57e00 r5:00000016 r4:00000016 [ 85.680562] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 85.688138] Exception stack(0xc6209fa8 to 0xc6209ff0) [ 85.693204] 9fa0: 00000016 00000016 00000001 b6e10000 00000016 00000000 [ 85.701394] 9fc0: 00000016 00000016 b6f57e00 00000004 00000001 00000000 00020000 bea40ac4 [ 85.709582] 9fe0: 00000004 bea407f8 b6ec1d8f b6e487e6 [ 85.714713] irq event stamp: 0 [ 85.717817] hardirqs last enabled at (0): [<00000000>] 0x0 [ 85.723410] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 85.730984] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 85.738560] softirqs last disabled at (0): [<00000000>] 0x0 [ 85.744153] ---[ end trace cceb88b828b13460 ]--- [ 85.748817] lkdtm: Overflow detected: saturated # [ 85.430313] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 85.436392] lkdtm: attempting good refcount_inc() without overflow # [ 85.442587] lkdtm: attempting bad refcount_inc() overflow # [ 85.448043] ------------[ cut here ]------------ # [ 85.452691] WARNING: CPU: 0 PID: 2582 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.461198] refcount_t: saturated; leaking memory. # [ 85.466036] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 85.495357] CPU: 0 PID: 2582 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 85.503111] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.509647] Backtrace: # [ 85.512126] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.519709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 85.525388] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.532720] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.539695] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 # [ 85.547454] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.554947] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c6208000 # [ 85.560622] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.569592] r9:c1acf320 r8:c15ead50 r7:c6209f60 r6:00000016 r5:c6548000 r4:c6208000 # [ 85.577353] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.587025] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 85.597128] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.606267] r4:0000002b # [ 85.608815] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.616836] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.624765] r9:c6209f60 r8:c307f9c0 r7:00000016 r6:b6e10000 r5:c5b5fe00 r4:c0c53b4c # [ 85.632528] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.640370] r9:c07e0608 r8:c6209f60 r7:c2815800 r6:b6e10000 r5:c5b5fe00 r4:00000000 # [ 85.648125] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.655274] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c6208000 r5:c5b5fe00 # [ 85.663109] r4:c5b5fe00 # [ 85.665656] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.672802] r9:c6208000 r8:c03002e4 r7:00000004 r6:b6f57e00 r5:00000016 r4:00000016 # [ 85.680562] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.688138] Exception stack(0xc6209fa8 to 0xc6209ff0) # [ 85.693204] 9fa0: 00000016 00000016 00000001 b6e10000 00000016 00000000 # [ 85.701394] 9fc0: 00000016 00000016 b6f57e00 00000004 00000001 00000000 00020000 bea40ac4 # [ 85.709582] 9fe0: 00000004 bea407f8 b6ec1d8f b6e487e6 # [ 85.714713] irq event stamp: 0 # [ 85.717817] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.723410] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 85.730984] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 85.738560] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.744153] ---[ end trace cceb88b828b13460 ]--- # [ 85.748817] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 86.293157] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 86.299301] lkdtm: attempting good refcount_add() without overflow [ 86.305634] lkdtm: attempting bad refcount_add() overflow [ 86.311077] ------------[ cut here ]------------ [ 86.315790] WARNING: CPU: 0 PID: 2616 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 86.324240] refcount_t: saturated; leaking memory. [ 86.329090] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 86.358386] CPU: 0 PID: 2616 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 86.366140] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 86.372677] Backtrace: [ 86.375155] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 86.382738] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 86.388417] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 86.395748] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 86.402722] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 [ 86.410481] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 86.417975] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c61f2000 [ 86.423652] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 86.432622] r9:c1acf338 r8:c15ead50 r7:c61f3f60 r6:00000016 r5:c66a4000 r4:c61f2000 [ 86.440381] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 86.450054] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 86.460157] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 86.469296] r4:0000002c [ 86.471842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 86.479866] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 86.487794] r9:c61f3f60 r8:c307f9c0 r7:00000016 r6:b6e68000 r5:c47fda40 r4:c0c53b4c [ 86.495554] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 86.503398] r9:c07e0608 r8:c61f3f60 r7:c2815800 r6:b6e68000 r5:c47fda40 r4:00000000 [ 86.511153] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.518301] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c61f2000 r5:c47fda40 [ 86.526137] r4:c47fda40 [ 86.528683] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.535831] r9:c61f2000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000016 r4:00000016 [ 86.543589] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.551167] Exception stack(0xc61f3fa8 to 0xc61f3ff0) [ 86.556232] 3fa0: 00000016 00000016 00000001 b6e68000 00000016 00000000 [ 86.564424] 3fc0: 00000016 00000016 b6fafe00 00000004 00000001 00000000 00020000 beb4fac4 [ 86.572608] 3fe0: 00000004 beb4f7f8 b6f19d8f b6ea07e6 [ 86.577735] irq event stamp: 0 [ 86.580815] hardirqs last enabled at (0): [<00000000>] 0x0 [ 86.586439] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 86.593952] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 86.602458] softirqs last disabled at (0): [<00000000>] 0x0 [ 86.608124] ---[ end trace cceb88b828b13461 ]--- [ 86.612760] lkdtm: Overflow detected: saturated # [ 86.293157] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 86.299301] lkdtm: attempting good refcount_add() without overflow # [ 86.305634] lkdtm: attempting bad refcount_add() overflow # [ 86.311077] ------------[ cut here ]------------ # [ 86.315790] WARNING: CPU: 0 PID: 2616 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.324240] refcount_t: saturated; leaking memory. # [ 86.329090] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 86.358386] CPU: 0 PID: 2616 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 86.366140] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.372677] Backtrace: # [ 86.375155] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.382738] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 86.388417] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.395748] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.402722] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 # [ 86.410481] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.417975] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c61f2000 # [ 86.423652] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.432622] r9:c1acf338 r8:c15ead50 r7:c61f3f60 r6:00000016 r5:c66a4000 r4:c61f2000 # [ 86.440381] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.450054] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 86.460157] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.469296] r4:0000002c # [ 86.471842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.479866] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.487794] r9:c61f3f60 r8:c307f9c0 r7:00000016 r6:b6e68000 r5:c47fda40 r4:c0c53b4c # [ 86.495554] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.503398] r9:c07e0608 r8:c61f3f60 r7:c2815800 r6:b6e68000 r5:c47fda40 r4:00000000 # [ 86.511153] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.518301] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c61f2000 r5:c47fda40 # [ 86.526137] r4:c47fda40 # [ 86.528683] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.535831] r9:c61f2000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000016 r4:00000016 # [ 86.543589] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.551167] Exception stack(0xc61f3fa8 to 0xc61f3ff0) # [ 86.556232] 3fa0: 00000016 00000016 00000001 b6e68000 00000016 00000000 # [ 86.564424] 3fc0: 00000016 00000016 b6fafe00 00000004 00000001 00000000 00020000 beb4fac4 # [ 86.572608] 3fe0: 00000004 beb4f7f8 b6f19d8f b6ea07e6 # [ 86.577735] irq event stamp: 0 # [ 86.580815] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.586439] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.593952] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.602458] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.608124] ---[ end trace cceb88b828b13461 ]--- # [ 86.612760] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 87.154553] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 87.161497] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 87.167761] ------------[ cut here ]------------ [ 87.172411] WARNING: CPU: 0 PID: 2650 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 87.180917] refcount_t: saturated; leaking memory. [ 87.185766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 87.215111] CPU: 0 PID: 2650 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 87.222876] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 87.229412] Backtrace: [ 87.231891] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 87.239475] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 87.245153] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 87.252481] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 87.259457] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 [ 87.267214] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 87.274706] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c61f2000 [ 87.280382] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 87.289352] r9:c1acf350 r8:c15ead50 r7:c61f3f60 r6:0000001f r5:c586b000 r4:7fffffff [ 87.297115] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 87.307570] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 87.319227] r5:c586b000 r4:c61f2000 [ 87.322822] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 87.332741] r4:0000002d [ 87.335286] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 87.343310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 87.351238] r9:c61f3f60 r8:c307f9c0 r7:0000001f r6:b6e9f000 r5:c61d4b40 r4:c0c53b4c [ 87.359001] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 87.366845] r9:c07e0608 r8:c61f3f60 r7:c2815800 r6:b6e9f000 r5:c61d4b40 r4:00000000 [ 87.374603] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.381750] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c61f2000 r5:c61d4b40 [ 87.389586] r4:c61d4b40 [ 87.392134] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 87.399280] r9:c61f2000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f [ 87.407037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 87.414614] Exception stack(0xc61f3fa8 to 0xc61f3ff0) [ 87.419680] 3fa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 [ 87.427871] 3fc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 bee31ac4 [ 87.436058] 3fe0: 00000004 bee317f8 b6f50d8f b6ed77e6 [ 87.441191] irq event stamp: 0 [ 87.444269] hardirqs last enabled at (0): [<00000000>] 0x0 [ 87.449897] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 87.457447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 87.466097] softirqs last disabled at (0): [<00000000>] 0x0 [ 87.471747] ---[ end trace cceb88b828b13462 ]--- [ 87.476423] lkdtm: Overflow detected: saturated # [ 87.154553] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 87.161497] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 87.167761] ------------[ cut here ]------------ # [ 87.172411] WARNING: CPU: 0 PID: 2650 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.180917] refcount_t: saturated; leaking memory. # [ 87.185766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 87.215111] CPU: 0 PID: 2650 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 87.222876] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.229412] Backtrace: # [ 87.231891] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.239475] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 87.245153] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.252481] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.259457] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 # [ 87.267214] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.274706] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c61f2000 # [ 87.280382] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.289352] r9:c1acf350 r8:c15ead50 r7:c61f3f60 r6:0000001f r5:c586b000 r4:7fffffff # [ 87.297115] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.307570] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.319227] r5:c586b000 r4:c61f2000 # [ 87.322822] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.332741] r4:0000002d # [ 87.335286] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.343310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.351238] r9:c61f3f60 r8:c307f9c0 r7:0000001f r6:b6e9f000 r5:c61d4b40 r4:c0c53b4c # [ 87.359001] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.366845] r9:c07e0608 r8:c61f3f60 r7:c2815800 r6:b6e9f000 r5:c61d4b40 r4:00000000 # [ 87.374603] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.381750] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c61f2000 r5:c61d4b40 # [ 87.389586] r4:c61d4b40 # [ 87.392134] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.399280] r9:c61f2000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f # [ 87.407037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.414614] Exception stack(0xc61f3fa8 to 0xc61f3ff0) # [ 87.419680] 3fa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 # [ 87.427871] 3fc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 bee31ac4 # [ 87.436058] 3fe0: 00000004 bee317f8 b6f50d8f b6ed77e6 # [ 87.441191] irq event stamp: 0 # [ 87.444269] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.449897] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.457447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.466097] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.471747] ---[ end trace cceb88b828b13462 ]--- # [ 87.476423] 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 [ 88.018456] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 88.025337] lkdtm: attempting bad refcount_add_not_zero() overflow [ 88.031536] ------------[ cut here ]------------ [ 88.036227] WARNING: CPU: 2 PID: 2684 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 88.044680] refcount_t: saturated; leaking memory. [ 88.049533] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 88.078733] CPU: 2 PID: 2684 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 88.086487] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 88.093022] Backtrace: [ 88.095501] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 88.103085] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 88.108763] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 88.116093] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 88.123067] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 [ 88.130827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 88.138318] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c61c4000 [ 88.143994] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 88.152963] r9:c1acf370 r8:c15ead50 r7:c61c5f60 r6:0000001f r5:c479d000 r4:7fffffff [ 88.160727] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 88.171179] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 88.182837] r5:c479d000 r4:c61c4000 [ 88.186430] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.196350] r4:0000002e [ 88.198898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.206921] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.214851] r9:c61c5f60 r8:c307f9c0 r7:0000001f r6:b6e52000 r5:c613db80 r4:c0c53b4c [ 88.222612] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 88.230454] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e52000 r5:c613db80 r4:00000000 [ 88.238211] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.245360] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c61c4000 r5:c613db80 [ 88.253197] r4:c613db80 [ 88.255744] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.262892] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000001f r4:0000001f [ 88.270652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.278228] Exception stack(0xc61c5fa8 to 0xc61c5ff0) [ 88.283293] 5fa0: 0000001f 0000001f 00000001 b6e52000 0000001f 00000000 [ 88.291484] 5fc0: 0000001f 0000001f b6f99e00 00000004 00000001 00000000 00020000 be8e4ac4 [ 88.299669] 5fe0: 00000004 be8e47f8 b6f03d8f b6e8a7e6 [ 88.304812] irq event stamp: 0 [ 88.307920] hardirqs last enabled at (0): [<00000000>] 0x0 [ 88.313517] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 88.321057] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 88.328618] softirqs last disabled at (0): [<00000000>] 0x0 [ 88.334210] ---[ end trace cceb88b828b13463 ]--- [ 88.338894] lkdtm: Overflow detected: saturated # [ 88.018456] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 88.025337] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 88.031536] ------------[ cut here ]------------ # [ 88.036227] WARNING: CPU: 2 PID: 2684 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.044680] refcount_t: saturated; leaking memory. # [ 88.049533] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 88.078733] CPU: 2 PID: 2684 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 88.086487] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.093022] Backtrace: # [ 88.095501] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.103085] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 88.108763] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.116093] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.123067] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 # [ 88.130827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.138318] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c61c4000 # [ 88.143994] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.152963] r9:c1acf370 r8:c15ead50 r7:c61c5f60 r6:0000001f r5:c479d000 r4:7fffffff # [ 88.160727] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.171179] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 88.182837] r5:c479d000 r4:c61c4000 # [ 88.186430] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.196350] r4:0000002e # [ 88.198898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.206921] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.214851] r9:c61c5f60 r8:c307f9c0 r7:0000001f r6:b6e52000 r5:c613db80 r4:c0c53b4c # [ 88.222612] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.230454] r9:c07e0608 r8:c61c5f60 r7:c2815800 r6:b6e52000 r5:c613db80 r4:00000000 # [ 88.238211] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.245360] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c61c4000 r5:c613db80 # [ 88.253197] r4:c613db80 # [ 88.255744] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.262892] r9:c61c4000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000001f r4:0000001f # [ 88.270652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.278228] Exception stack(0xc61c5fa8 to 0xc61c5ff0) # [ 88.283293] 5fa0: 0000001f 0000001f 00000001 b6e52000 0000001f 00000000 # [ 88.291484] 5fc0: 0000001f 0000001f b6f99e00 00000004 00000001 00000000 00020000 be8e4ac4 # [ 88.299669] 5fe0: 00000004 be8e47f8 b6f03d8f b6e8a7e6 # [ 88.304812] irq event stamp: 0 # [ 88.307920] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.313517] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.321057] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.328618] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.334210] ---[ end trace cceb88b828b13463 ]--- # [ 88.338894] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 88.868607] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 88.874292] lkdtm: attempting good refcount_dec() [ 88.879082] lkdtm: attempting bad refcount_dec() to zero [ 88.884410] ------------[ cut here ]------------ [ 88.889123] WARNING: CPU: 3 PID: 2718 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 88.897614] refcount_t: decrement hit 0; leaking memory. [ 88.902940] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 88.932170] CPU: 3 PID: 2718 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 88.939923] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 88.946460] Backtrace: [ 88.948938] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 88.956520] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 88.962197] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 88.969525] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 88.976498] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a235c8 [ 88.984259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 88.991753] r7:0000001f r6:c1a235c8 r5:c1a2362c r4:c4796000 [ 88.997428] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 89.006400] r9:c1acf390 r8:c15ead50 r7:c4797f60 r6:00000012 r5:c45f0000 r4:c4796000 [ 89.014163] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 89.023836] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 89.033589] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.042380] r4:0000002f [ 89.044926] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.052949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.060879] r9:c4797f60 r8:c307f9c0 r7:00000012 r6:b6e5d000 r5:c607d900 r4:c0c53b4c [ 89.068640] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.076483] r9:c07e0608 r8:c4797f60 r7:c2815800 r6:b6e5d000 r5:c607d900 r4:00000000 [ 89.084239] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.091386] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c4796000 r5:c607d900 [ 89.099222] r4:c607d900 [ 89.101770] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.108918] r9:c4796000 r8:c03002e4 r7:00000004 r6:b6fa4e00 r5:00000012 r4:00000012 [ 89.116679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.124256] Exception stack(0xc4797fa8 to 0xc4797ff0) [ 89.129321] 7fa0: 00000012 00000012 00000001 b6e5d000 00000012 00000000 [ 89.137511] 7fc0: 00000012 00000012 b6fa4e00 00000004 00000001 00000000 00020000 be8b0ac4 [ 89.145697] 7fe0: 00000004 be8b07f8 b6f0ed8f b6e957e6 [ 89.150831] irq event stamp: 0 [ 89.153909] hardirqs last enabled at (0): [<00000000>] 0x0 [ 89.159534] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 89.167084] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 89.174617] softirqs last disabled at (0): [<00000000>] 0x0 [ 89.180257] ---[ end trace cceb88b828b13464 ]--- [ 89.184901] lkdtm: Zero detected: saturated # [ 88.868607] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 88.874292] lkdtm: attempting good refcount_dec() # [ 88.879082] lkdtm: attempting bad refcount_dec() to zero # [ 88.884410] ------------[ cut here ]------------ # [ 88.889123] WARNING: CPU: 3 PID: 2718 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 88.897614] refcount_t: decrement hit 0; leaking memory. # [ 88.902940] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 88.932170] CPU: 3 PID: 2718 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 88.939923] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.946460] Backtrace: # [ 88.948938] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.956520] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 88.962197] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.969525] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.976498] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a235c8 # [ 88.984259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.991753] r7:0000001f r6:c1a235c8 r5:c1a2362c r4:c4796000 # [ 88.997428] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.006400] r9:c1acf390 r8:c15ead50 r7:c4797f60 r6:00000012 r5:c45f0000 r4:c4796000 # [ 89.014163] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.023836] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 89.033589] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.042380] r4:0000002f # [ 89.044926] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.052949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.060879] r9:c4797f60 r8:c307f9c0 r7:00000012 r6:b6e5d000 r5:c607d900 r4:c0c53b4c # [ 89.068640] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.076483] r9:c07e0608 r8:c4797f60 r7:c2815800 r6:b6e5d000 r5:c607d900 r4:00000000 # [ 89.084239] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.091386] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c4796000 r5:c607d900 # [ 89.099222] r4:c607d900 # [ 89.101770] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.108918] r9:c4796000 r8:c03002e4 r7:00000004 r6:b6fa4e00 r5:00000012 r4:00000012 # [ 89.116679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.124256] Exception stack(0xc4797fa8 to 0xc4797ff0) # [ 89.129321] 7fa0: 00000012 00000012 00000001 b6e5d000 00000012 00000000 # [ 89.137511] 7fc0: 00000012 00000012 b6fa4e00 00000004 00000001 00000000 00020000 be8b0ac4 # [ 89.145697] 7fe0: 00000004 be8b07f8 b6f0ed8f b6e957e6 # [ 89.150831] irq event stamp: 0 # [ 89.153909] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.159534] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.167084] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.174617] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.180257] ---[ end trace cceb88b828b13464 ]--- # [ 89.184901] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh [ 89.737422] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 89.743454] lkdtm: attempting bad refcount_dec() below zero [ 89.749111] ------------[ cut here ]------------ [ 89.753760] WARNING: CPU: 1 PID: 2755 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 89.762248] refcount_t: decrement hit 0; leaking memory. [ 89.767627] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 89.796845] CPU: 1 PID: 2755 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 89.804597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 89.811133] Backtrace: [ 89.813612] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 89.821195] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 89.826875] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 89.834205] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 89.841179] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a235c8 [ 89.848937] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 89.856429] r7:0000001f r6:c1a235c8 r5:c1a2362c r4:c5ea0000 [ 89.862105] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 89.871075] r9:c1acf3a4 r8:c15ead50 r7:c5ea1f60 r6:00000016 r5:00000000 r4:c5ea0000 [ 89.878837] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 89.888508] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 89.898612] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.907751] r5:c59b8000 r4:00000030 [ 89.911340] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.919363] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.927290] r9:c5ea1f60 r8:c307f9c0 r7:00000016 r6:b6e25000 r5:c2f748c0 r4:c0c53b4c [ 89.935051] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.942893] r9:c07e0608 r8:c5ea1f60 r7:c2815800 r6:b6e25000 r5:c2f748c0 r4:00000000 [ 89.950649] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.957797] r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c5ea0000 r5:c2f748c0 [ 89.965632] r4:c2f748c0 [ 89.968181] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.975328] r9:c5ea0000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000016 r4:00000016 [ 89.983089] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.990666] Exception stack(0xc5ea1fa8 to 0xc5ea1ff0) [ 89.995732] 1fa0: 00000016 00000016 00000001 b6e25000 00000016 00000000 [ 90.003922] 1fc0: 00000016 00000016 b6f6ce00 00000004 00000001 00000000 00020000 bea7dac4 [ 90.012110] 1fe0: 00000004 bea7d7f8 b6ed6d8f b6e5d7e6 [ 90.017251] irq event stamp: 0 [ 90.020328] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.025953] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.033460] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.041046] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.046691] ---[ end trace cceb88b828b13465 ]--- [ 90.051329] lkdtm: Negative detected: saturated # [ 89.737422] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 89.743454] lkdtm: attempting bad refcount_dec() below zero # [ 89.749111] ------------[ cut here ]------------ # [ 89.753760] WARNING: CPU: 1 PID: 2755 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.762248] refcount_t: decrement hit 0; leaking memory. # [ 89.767627] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 89.796845] CPU: 1 PID: 2755 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 89.804597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.811133] Backtrace: # [ 89.813612] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.821195] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 89.826875] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.834205] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.841179] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a235c8 # [ 89.848937] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.856429] r7:0000001f r6:c1a235c8 r5:c1a2362c r4:c5ea0000 # [ 89.862105] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.871075] r9:c1acf3a4 r8:c15ead50 r7:c5ea1f60 r6:00000016 r5:00000000 r4:c5ea0000 # [ 89.878837] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.888508] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 89.898612] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.907751] r5:c59b8000 r4:00000030 # [ 89.911340] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.919363] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.927290] r9:c5ea1f60 r8:c307f9c0 r7:00000016 r6:b6e25000 r5:c2f748c0 r4:c0c53b4c # [ 89.935051] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.942893] r9:c07e0608 r8:c5ea1f60 r7:c2815800 r6:b6e25000 r5:c2f748c0 r4:00000000 # [ 89.950649] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.957797] r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c5ea0000 r5:c2f748c0 # [ 89.965632] r4:c2f748c0 # [ 89.968181] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.975328] r9:c5ea0000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000016 r4:00000016 # [ 89.983089] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.990666] Exception stack(0xc5ea1fa8 to 0xc5ea1ff0) # [ 89.995732] 1fa0: 00000016 00000016 00000001 b6e25000 00000016 00000000 # [ 90.003922] 1fc0: 00000016 00000016 b6f6ce00 00000004 00000001 00000000 00020000 bea7dac4 # [ 90.012110] 1fe0: 00000004 bea7d7f8 b6ed6d8f b6e5d7e6 # [ 90.017251] irq event stamp: 0 # [ 90.020328] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.025953] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.033460] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.041046] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.046691] ---[ end trace cceb88b828b13465 ]--- # [ 90.051329] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 90.604374] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 90.611266] lkdtm: attempting bad refcount_dec_and_test() below zero [ 90.617693] ------------[ cut here ]------------ [ 90.622343] WARNING: CPU: 1 PID: 2790 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 90.630917] refcount_t: underflow; use-after-free. [ 90.635759] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 90.664974] CPU: 1 PID: 2790 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 90.672728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 90.679263] Backtrace: [ 90.681739] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 90.689322] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 90.695000] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 90.702329] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 90.709303] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 [ 90.717060] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 90.724552] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c634a000 [ 90.730229] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 90.739286] r9:c1acf3bc r8:c15ead50 r7:c634bf60 r6:0000001f r5:00000000 r4:c634a000 [ 90.747048] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 90.757505] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 90.769170] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.779090] r5:c5a73000 r4:00000031 [ 90.782678] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.790699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.798630] r9:c634bf60 r8:c307f9c0 r7:0000001f r6:b6e9f000 r5:c607d2c0 r4:c0c53b4c [ 90.806390] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 90.814232] r9:c07e0608 r8:c634bf60 r7:c2815800 r6:b6e9f000 r5:c607d2c0 r4:00000000 [ 90.821987] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 90.829134] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c634a000 r5:c607d2c0 [ 90.836969] r4:c607d2c0 [ 90.839516] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 90.846662] r9:c634a000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f [ 90.854422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 90.862000] Exception stack(0xc634bfa8 to 0xc634bff0) [ 90.867067] bfa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 [ 90.875256] bfc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 bead7ac4 [ 90.883442] bfe0: 00000004 bead77f8 b6f50d8f b6ed77e6 [ 90.888601] irq event stamp: 0 [ 90.891680] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.897307] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.904827] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.912397] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.918030] ---[ end trace cceb88b828b13466 ]--- [ 90.922669] lkdtm: Negative detected: saturated # [ 90.604374] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 90.611266] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 90.617693] ------------[ cut here ]------------ # [ 90.622343] WARNING: CPU: 1 PID: 2790 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.630917] refcount_t: underflow; use-after-free. # [ 90.635759] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 90.664974] CPU: 1 PID: 2790 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 90.672728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.679263] Backtrace: # [ 90.681739] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.689322] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 90.695000] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.702329] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.709303] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 # [ 90.717060] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.724552] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c634a000 # [ 90.730229] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.739286] r9:c1acf3bc r8:c15ead50 r7:c634bf60 r6:0000001f r5:00000000 r4:c634a000 # [ 90.747048] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.757505] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 90.769170] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.779090] r5:c5a73000 r4:00000031 # [ 90.782678] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.790699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.798630] r9:c634bf60 r8:c307f9c0 r7:0000001f r6:b6e9f000 r5:c607d2c0 r4:c0c53b4c # [ 90.806390] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.814232] r9:c07e0608 r8:c634bf60 r7:c2815800 r6:b6e9f000 r5:c607d2c0 r4:00000000 # [ 90.821987] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.829134] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c634a000 r5:c607d2c0 # [ 90.836969] r4:c607d2c0 # [ 90.839516] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.846662] r9:c634a000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f # [ 90.854422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.862000] Exception stack(0xc634bfa8 to 0xc634bff0) # [ 90.867067] bfa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 # [ 90.875256] bfc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 bead7ac4 # [ 90.883442] bfe0: 00000004 bead77f8 b6f50d8f b6ed77e6 # [ 90.888601] irq event stamp: 0 # [ 90.891680] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.897307] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.904827] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.912397] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.918030] ---[ end trace cceb88b828b13466 ]--- # [ 90.922669] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 91.486347] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 91.493160] lkdtm: attempting bad refcount_sub_and_test() below zero [ 91.499601] ------------[ cut here ]------------ [ 91.504250] WARNING: CPU: 1 PID: 2826 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 91.512830] refcount_t: underflow; use-after-free. [ 91.517671] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 91.546907] CPU: 1 PID: 2826 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 91.554659] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 91.561193] Backtrace: [ 91.563671] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 91.571254] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 91.576932] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 91.584262] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 91.591236] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 [ 91.598995] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 91.606488] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c4796000 [ 91.612162] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 91.621219] r9:c1acf3dc r8:c15ead50 r7:c4797f60 r6:0000001f r5:c6050000 r4:c4796000 [ 91.628981] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 91.639438] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 91.651105] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 91.661025] r4:00000032 [ 91.663571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 91.671593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 91.679522] r9:c4797f60 r8:c307f9c0 r7:0000001f r6:b6e1b000 r5:c607de00 r4:c0c53b4c [ 91.687283] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 91.695125] r9:c07e0608 r8:c4797f60 r7:c2815800 r6:b6e1b000 r5:c607de00 r4:00000000 [ 91.702880] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 91.710028] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c4796000 r5:c607de00 [ 91.717863] r4:c607de00 [ 91.720409] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 91.727556] r9:c4796000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000001f r4:0000001f [ 91.735314] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 91.742891] Exception stack(0xc4797fa8 to 0xc4797ff0) [ 91.747956] 7fa0: 0000001f 0000001f 00000001 b6e1b000 0000001f 00000000 [ 91.756145] 7fc0: 0000001f 0000001f b6f62e00 00000004 00000001 00000000 00020000 bee86ac4 [ 91.764332] 7fe0: 00000004 bee867f8 b6eccd8f b6e537e6 [ 91.769469] irq event stamp: 0 [ 91.772548] hardirqs last enabled at (0): [<00000000>] 0x0 [ 91.778174] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 91.785724] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 91.793231] softirqs last disabled at (0): [<00000000>] 0x0 [ 91.798868] ---[ end trace cceb88b828b13467 ]--- [ 91.803505] lkdtm: Negative detected: saturated # [ 91.486347] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 91.493160] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 91.499601] ------------[ cut here ]------------ # [ 91.504250] WARNING: CPU: 1 PID: 2826 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.512830] refcount_t: underflow; use-after-free. # [ 91.517671] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 91.546907] CPU: 1 PID: 2826 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 91.554659] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.561193] Backtrace: # [ 91.563671] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.571254] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 91.576932] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.584262] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.591236] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 # [ 91.598995] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.606488] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c4796000 # [ 91.612162] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.621219] r9:c1acf3dc r8:c15ead50 r7:c4797f60 r6:0000001f r5:c6050000 r4:c4796000 # [ 91.628981] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.639438] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 91.651105] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.661025] r4:00000032 # [ 91.663571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.671593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.679522] r9:c4797f60 r8:c307f9c0 r7:0000001f r6:b6e1b000 r5:c607de00 r4:c0c53b4c # [ 91.687283] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.695125] r9:c07e0608 r8:c4797f60 r7:c2815800 r6:b6e1b000 r5:c607de00 r4:00000000 # [ 91.702880] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.710028] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c4796000 r5:c607de00 # [ 91.717863] r4:c607de00 # [ 91.720409] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.727556] r9:c4796000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000001f r4:0000001f # [ 91.735314] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.742891] Exception stack(0xc4797fa8 to 0xc4797ff0) # [ 91.747956] 7fa0: 0000001f 0000001f 00000001 b6e1b000 0000001f 00000000 # [ 91.756145] 7fc0: 0000001f 0000001f b6f62e00 00000004 00000001 00000000 00020000 bee86ac4 # [ 91.764332] 7fe0: 00000004 bee867f8 b6eccd8f b6e537e6 # [ 91.769469] irq event stamp: 0 # [ 91.772548] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.778174] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.785724] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.793231] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.798868] ---[ end trace cceb88b828b13467 ]--- # [ 91.803505] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 92.354727] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 92.360544] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 92.367013] lkdtm: Good: zero detected [ 92.370780] lkdtm: Correctly stayed at zero [ 92.374975] lkdtm: attempting bad refcount_inc() from zero [ 92.380518] ------------[ cut here ]------------ [ 92.385216] WARNING: CPU: 1 PID: 2858 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 92.393753] refcount_t: addition on 0; use-after-free. [ 92.398943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 92.428160] CPU: 1 PID: 2858 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 92.435913] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 92.442448] Backtrace: [ 92.444926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 92.452510] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 92.458187] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 92.465516] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 92.472490] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a235c8 [ 92.480248] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 92.487741] r7:00000019 r6:c1a235c8 r5:c1a235d8 r4:c6208000 [ 92.493417] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 92.502475] r9:c1acf3fc r8:c15ead50 r7:c6209f60 r6:00000012 r5:00000000 r4:c6208000 [ 92.510236] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 92.519910] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 92.529665] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.538458] r5:c6050000 r4:00000033 [ 92.542046] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.550067] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.557995] r9:c6209f60 r8:c307f9c0 r7:00000012 r6:b6ea8000 r5:c5ad9680 r4:c0c53b4c [ 92.565758] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 92.573600] r9:c07e0608 r8:c6209f60 r7:c2815800 r6:b6ea8000 r5:c5ad9680 r4:00000000 [ 92.581356] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.588503] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c6208000 r5:c5ad9680 [ 92.596338] r4:c5ad9680 [ 92.598886] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.606034] r9:c6208000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000012 r4:00000012 [ 92.613793] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.621370] Exception stack(0xc6209fa8 to 0xc6209ff0) [ 92.626435] 9fa0: 00000012 00000012 00000001 b6ea8000 00000012 00000000 [ 92.634625] 9fc0: 00000012 00000012 b6fefe00 00000004 00000001 00000000 00020000 beaa9ac4 [ 92.642811] 9fe0: 00000004 beaa97f8 b6f59d8f b6ee07e6 [ 92.647961] irq event stamp: 0 [ 92.651039] hardirqs last enabled at (0): [<00000000>] 0x0 [ 92.656671] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 92.664192] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 92.671760] softirqs last disabled at (0): [<00000000>] 0x0 [ 92.677407] ---[ end trace cceb88b828b13468 ]--- [ 92.682049] lkdtm: Zero detected: saturated # [ 92.354727] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 92.360544] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 92.367013] lkdtm: Good: zero detected # [ 92.370780] lkdtm: Correctly stayed at zero # [ 92.374975] lkdtm: attempting bad refcount_inc() from zero # [ 92.380518] ------------[ cut here ]------------ # [ 92.385216] WARNING: CPU: 1 PID: 2858 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 92.393753] refcount_t: addition on 0; use-after-free. # [ 92.398943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 92.428160] CPU: 1 PID: 2858 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 92.435913] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.442448] Backtrace: # [ 92.444926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.452510] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 92.458187] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.465516] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.472490] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a235c8 # [ 92.480248] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.487741] r7:00000019 r6:c1a235c8 r5:c1a235d8 r4:c6208000 # [ 92.493417] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.502475] r9:c1acf3fc r8:c15ead50 r7:c6209f60 r6:00000012 r5:00000000 r4:c6208000 # [ 92.510236] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.519910] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 92.529665] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.538458] r5:c6050000 r4:00000033 # [ 92.542046] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.550067] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.557995] r9:c6209f60 r8:c307f9c0 r7:00000012 r6:b6ea8000 r5:c5ad9680 r4:c0c53b4c # [ 92.565758] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.573600] r9:c07e0608 r8:c6209f60 r7:c2815800 r6:b6ea8000 r5:c5ad9680 r4:00000000 # [ 92.581356] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.588503] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c6208000 r5:c5ad9680 # [ 92.596338] r4:c5ad9680 # [ 92.598886] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.606034] r9:c6208000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000012 r4:00000012 # [ 92.613793] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.621370] Exception stack(0xc6209fa8 to 0xc6209ff0) # [ 92.626435] 9fa0: 00000012 00000012 00000001 b6ea8000 00000012 00000000 # [ 92.634625] 9fc0: 00000012 00000012 b6fefe00 00000004 00000001 00000000 00020000 beaa9ac4 # [ 92.642811] 9fe0: 00000004 beaa97f8 b6f59d8f b6ee07e6 # [ 92.647961] irq event stamp: 0 # [ 92.651039] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.656671] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.664192] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.671760] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.677407] ---[ end trace cceb88b828b13468 ]--- # [ 92.682049] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh [ 93.245434] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 93.251120] lkdtm: attempting safe refcount_add_not_zero() from zero [ 93.257584] lkdtm: Good: zero detected [ 93.261349] lkdtm: Correctly stayed at zero [ 93.265606] lkdtm: attempting bad refcount_add() from zero [ 93.271107] ------------[ cut here ]------------ [ 93.275792] WARNING: CPU: 2 PID: 2892 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 93.284330] refcount_t: addition on 0; use-after-free. [ 93.289514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 93.318735] CPU: 2 PID: 2892 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 93.326489] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 93.333025] Backtrace: [ 93.335502] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 93.343083] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 93.348759] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 93.356087] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 93.363063] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a235c8 [ 93.370825] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 93.378317] r7:00000019 r6:c1a235c8 r5:c1a235d8 r4:c61f2000 [ 93.383992] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 93.393050] r9:c1acf410 r8:c15ead50 r7:c61f3f60 r6:00000012 r5:00000000 r4:c61f2000 [ 93.400809] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 93.410483] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 93.420238] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 93.429031] r5:c5d42000 r4:00000034 [ 93.432620] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 93.440642] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 93.448572] r9:c61f3f60 r8:c307f9c0 r7:00000012 r6:b6de4000 r5:c61bb180 r4:c0c53b4c [ 93.456333] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 93.464176] r9:c07e0608 r8:c61f3f60 r7:c2815800 r6:b6de4000 r5:c61bb180 r4:00000000 [ 93.471932] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 93.479080] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c61f2000 r5:c61bb180 [ 93.486915] r4:c61bb180 [ 93.489464] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 93.496610] r9:c61f2000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000012 r4:00000012 [ 93.504369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 93.511947] Exception stack(0xc61f3fa8 to 0xc61f3ff0) [ 93.517012] 3fa0: 00000012 00000012 00000001 b6de4000 00000012 00000000 [ 93.525201] 3fc0: 00000012 00000012 b6f2be00 00000004 00000001 00000000 00020000 beb07ac4 [ 93.533388] 3fe0: 00000004 beb077f8 b6e95d8f b6e1c7e6 [ 93.538513] irq event stamp: 0 [ 93.541590] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.547218] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 93.554742] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 93.562360] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.567993] ---[ end trace cceb88b828b13469 ]--- [ 93.572629] lkdtm: Zero detected: saturated # [ 93.245434] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 93.251120] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 93.257584] lkdtm: Good: zero detected # [ 93.261349] lkdtm: Correctly stayed at zero # [ 93.265606] lkdtm: attempting bad refcount_add() from zero # [ 93.271107] ------------[ cut here ]------------ # [ 93.275792] WARNING: CPU: 2 PID: 2892 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 93.284330] refcount_t: addition on 0; use-after-free. # [ 93.289514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 93.318735] CPU: 2 PID: 2892 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 93.326489] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.333025] Backtrace: # [ 93.335502] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.343083] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 93.348759] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.356087] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.363063] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a235c8 # [ 93.370825] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.378317] r7:00000019 r6:c1a235c8 r5:c1a235d8 r4:c61f2000 # [ 93.383992] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 93.393050] r9:c1acf410 r8:c15ead50 r7:c61f3f60 r6:00000012 r5:00000000 r4:c61f2000 # [ 93.400809] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 93.410483] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 93.420238] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.429031] r5:c5d42000 r4:00000034 # [ 93.432620] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.440642] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.448572] r9:c61f3f60 r8:c307f9c0 r7:00000012 r6:b6de4000 r5:c61bb180 r4:c0c53b4c # [ 93.456333] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.464176] r9:c07e0608 r8:c61f3f60 r7:c2815800 r6:b6de4000 r5:c61bb180 r4:00000000 # [ 93.471932] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.479080] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c61f2000 r5:c61bb180 # [ 93.486915] r4:c61bb180 # [ 93.489464] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.496610] r9:c61f2000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000012 r4:00000012 # [ 93.504369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.511947] Exception stack(0xc61f3fa8 to 0xc61f3ff0) # [ 93.517012] 3fa0: 00000012 00000012 00000001 b6de4000 00000012 00000000 # [ 93.525201] 3fc0: 00000012 00000012 b6f2be00 00000004 00000001 00000000 00020000 beb07ac4 # [ 93.533388] 3fe0: 00000004 beb077f8 b6e95d8f b6e1c7e6 # [ 93.538513] irq event stamp: 0 # [ 93.541590] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.547218] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.554742] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.562360] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.567993] ---[ end trace cceb88b828b13469 ]--- # [ 93.572629] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh [ 94.147353] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 94.153498] lkdtm: attempting bad refcount_inc() from saturated [ 94.159605] ------------[ cut here ]------------ [ 94.164288] WARNING: CPU: 3 PID: 2929 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 94.172807] refcount_t: saturated; leaking memory. [ 94.177653] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 94.206880] CPU: 3 PID: 2929 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 94.214632] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.221168] Backtrace: [ 94.223647] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 94.231229] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 94.236907] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 94.244236] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 94.251209] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 [ 94.258966] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 94.266459] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c5c4a000 [ 94.272133] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 94.281103] r9:c1acf424 r8:c15ead50 r7:c5c4bf60 r6:00000017 r5:c62d1000 r4:c5c4a000 [ 94.288864] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 94.298538] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 94.308728] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 94.317952] r4:00000035 [ 94.320496] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 94.328519] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 94.336448] r9:c5c4bf60 r8:c307f9c0 r7:00000017 r6:b6ded000 r5:c613d2c0 r4:c0c53b4c [ 94.344208] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 94.352050] r9:c07e0608 r8:c5c4bf60 r7:c2815800 r6:b6ded000 r5:c613d2c0 r4:00000000 [ 94.359805] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 94.366952] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5c4a000 r5:c613d2c0 [ 94.374787] r4:c613d2c0 [ 94.377334] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 94.384480] r9:c5c4a000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000017 r4:00000017 [ 94.392238] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 94.399816] Exception stack(0xc5c4bfa8 to 0xc5c4bff0) [ 94.404882] bfa0: 00000017 00000017 00000001 b6ded000 00000017 00000000 [ 94.413073] bfc0: 00000017 00000017 b6f34e00 00000004 00000001 00000000 00020000 beb58ac4 [ 94.421260] bfe0: 00000004 beb587f8 b6e9ed8f b6e257e6 [ 94.426401] irq event stamp: 0 [ 94.429479] hardirqs last enabled at (0): [<00000000>] 0x0 [ 94.435127] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 94.442633] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 94.450184] softirqs last disabled at (0): [<00000000>] 0x0 [ 94.455810] ---[ end trace cceb88b828b1346a ]--- [ 94.460444] lkdtm: Saturation detected: still saturated # [ 94.147353] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 94.153498] lkdtm: attempting bad refcount_inc() from saturated # [ 94.159605] ------------[ cut here ]------------ # [ 94.164288] WARNING: CPU: 3 PID: 2929 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 94.172807] refcount_t: saturated; leaking memory. # [ 94.177653] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 94.206880] CPU: 3 PID: 2929 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 94.214632] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.221168] Backtrace: # [ 94.223647] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.231229] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 94.236907] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.244236] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.251209] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 # [ 94.258966] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.266459] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c5c4a000 # [ 94.272133] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 94.281103] r9:c1acf424 r8:c15ead50 r7:c5c4bf60 r6:00000017 r5:c62d1000 r4:c5c4a000 # [ 94.288864] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 94.298538] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 94.308728] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.317952] r4:00000035 # [ 94.320496] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.328519] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.336448] r9:c5c4bf60 r8:c307f9c0 r7:00000017 r6:b6ded000 r5:c613d2c0 r4:c0c53b4c # [ 94.344208] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.352050] r9:c07e0608 r8:c5c4bf60 r7:c2815800 r6:b6ded000 r5:c613d2c0 r4:00000000 # [ 94.359805] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.366952] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5c4a000 r5:c613d2c0 # [ 94.374787] r4:c613d2c0 # [ 94.377334] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.384480] r9:c5c4a000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000017 r4:00000017 # [ 94.392238] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.399816] Exception stack(0xc5c4bfa8 to 0xc5c4bff0) # [ 94.404882] bfa0: 00000017 00000017 00000001 b6ded000 00000017 00000000 # [ 94.413073] bfc0: 00000017 00000017 b6f34e00 00000004 00000001 00000000 00020000 beb58ac4 # [ 94.421260] bfe0: 00000004 beb587f8 b6e9ed8f b6e257e6 # [ 94.426401] irq event stamp: 0 # [ 94.429479] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.435127] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.442633] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.450184] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.455810] ---[ end trace cceb88b828b1346a ]--- # [ 94.460444] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh [ 95.060683] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 95.066942] lkdtm: attempting bad refcount_dec() from saturated [ 95.072899] ------------[ cut here ]------------ [ 95.077605] WARNING: CPU: 1 PID: 2964 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 95.086115] refcount_t: decrement hit 0; leaking memory. [ 95.091440] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 95.120661] CPU: 1 PID: 2964 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 95.128416] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.134951] Backtrace: [ 95.137429] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.145011] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 95.150690] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.158019] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 95.164992] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a235c8 [ 95.172754] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 95.180247] r7:0000001f r6:c1a235c8 r5:c1a2362c r4:c580c000 [ 95.185920] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 95.194894] r9:c1acf43c r8:c15ead50 r7:c580df60 r6:00000017 r5:c62d3000 r4:c580c000 [ 95.202658] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 95.212329] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 95.222519] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.231744] r4:00000036 [ 95.234292] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.242314] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.250243] r9:c580df60 r8:c307f9c0 r7:00000017 r6:b6df7000 r5:c475ba40 r4:c0c53b4c [ 95.258003] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 95.265847] r9:c07e0608 r8:c580df60 r7:c2815800 r6:b6df7000 r5:c475ba40 r4:00000000 [ 95.273602] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.280748] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c580c000 r5:c475ba40 [ 95.288583] r4:c475ba40 [ 95.291131] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.298277] r9:c580c000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000017 r4:00000017 [ 95.306036] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.313613] Exception stack(0xc580dfa8 to 0xc580dff0) [ 95.318678] dfa0: 00000017 00000017 00000001 b6df7000 00000017 00000000 [ 95.326867] dfc0: 00000017 00000017 b6f3ee00 00000004 00000001 00000000 00020000 bee9cac4 [ 95.335053] dfe0: 00000004 bee9c7f8 b6ea8d8f b6e2f7e6 [ 95.340200] irq event stamp: 0 [ 95.343277] hardirqs last enabled at (0): [<00000000>] 0x0 [ 95.348904] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 95.356447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 95.363982] softirqs last disabled at (0): [<00000000>] 0x0 [ 95.369640] ---[ end trace cceb88b828b1346b ]--- [ 95.374295] lkdtm: Saturation detected: still saturated # [ 95.060683] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 95.066942] lkdtm: attempting bad refcount_dec() from saturated # [ 95.072899] ------------[ cut here ]------------ # [ 95.077605] WARNING: CPU: 1 PID: 2964 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 95.086115] refcount_t: decrement hit 0; leaking memory. # [ 95.091440] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 95.120661] CPU: 1 PID: 2964 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 95.128416] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.134951] Backtrace: # [ 95.137429] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.145011] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 95.150690] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.158019] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.164992] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a235c8 # [ 95.172754] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.180247] r7:0000001f r6:c1a235c8 r5:c1a2362c r4:c580c000 # [ 95.185920] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 95.194894] r9:c1acf43c r8:c15ead50 r7:c580df60 r6:00000017 r5:c62d3000 r4:c580c000 # [ 95.202658] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 95.212329] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 95.222519] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.231744] r4:00000036 # [ 95.234292] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.242314] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.250243] r9:c580df60 r8:c307f9c0 r7:00000017 r6:b6df7000 r5:c475ba40 r4:c0c53b4c # [ 95.258003] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.265847] r9:c07e0608 r8:c580df60 r7:c2815800 r6:b6df7000 r5:c475ba40 r4:00000000 # [ 95.273602] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.280748] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c580c000 r5:c475ba40 # [ 95.288583] r4:c475ba40 # [ 95.291131] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.298277] r9:c580c000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000017 r4:00000017 # [ 95.306036] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.313613] Exception stack(0xc580dfa8 to 0xc580dff0) # [ 95.318678] dfa0: 00000017 00000017 00000001 b6df7000 00000017 00000000 # [ 95.326867] dfc0: 00000017 00000017 b6f3ee00 00000004 00000001 00000000 00020000 bee9cac4 # [ 95.335053] dfe0: 00000004 bee9c7f8 b6ea8d8f b6e2f7e6 # [ 95.340200] irq event stamp: 0 # [ 95.343277] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.348904] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.356447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.363982] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.369640] ---[ end trace cceb88b828b1346b ]--- # [ 95.374295] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh [ 95.966284] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 95.972403] lkdtm: attempting bad refcount_dec() from saturated [ 95.978379] ------------[ cut here ]------------ [ 95.983028] WARNING: CPU: 1 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 95.991547] refcount_t: saturated; leaking memory. [ 95.996389] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 96.025645] CPU: 1 PID: 2999 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 96.033399] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 96.039934] Backtrace: [ 96.042409] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 96.049993] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 96.055672] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.063001] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.069976] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 [ 96.077732] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.085225] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c6246000 [ 96.090900] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 96.099870] r9:c1acf454 r8:c15ead50 r7:c6247f60 r6:00000017 r5:c6050000 r4:c6246000 [ 96.107631] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 96.117306] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 96.127497] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 96.136721] r4:00000037 [ 96.139266] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.147287] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 96.155217] r9:c6247f60 r8:c307f9c0 r7:00000017 r6:b6e9c000 r5:c475bb80 r4:c0c53b4c [ 96.162978] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 96.170821] r9:c07e0608 r8:c6247f60 r7:c2815800 r6:b6e9c000 r5:c475bb80 r4:00000000 [ 96.178575] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 96.185723] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c6246000 r5:c475bb80 [ 96.193557] r4:c475bb80 [ 96.196103] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.203250] r9:c6246000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000017 r4:00000017 [ 96.211009] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.218586] Exception stack(0xc6247fa8 to 0xc6247ff0) [ 96.223652] 7fa0: 00000017 00000017 00000001 b6e9c000 00000017 00000000 [ 96.231841] 7fc0: 00000017 00000017 b6fe3e00 00000004 00000001 00000000 00020000 bec97ac4 [ 96.240027] 7fe0: 00000004 bec977f8 b6f4dd8f b6ed47e6 [ 96.245170] irq event stamp: 0 [ 96.248246] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.253840] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 96.261393] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 96.268960] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.274554] ---[ end trace cceb88b828b1346c ]--- [ 96.279233] lkdtm: Saturation detected: still saturated # [ 95.966284] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 95.972403] lkdtm: attempting bad refcount_dec() from saturated # [ 95.978379] ------------[ cut here ]------------ # [ 95.983028] WARNING: CPU: 1 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 95.991547] refcount_t: saturated; leaking memory. # [ 95.996389] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 96.025645] CPU: 1 PID: 2999 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 96.033399] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.039934] Backtrace: # [ 96.042409] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.049993] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 96.055672] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.063001] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.069976] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a235c8 # [ 96.077732] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.085225] r7:00000016 r6:c1a235c8 r5:c1a235a0 r4:c6246000 # [ 96.090900] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 96.099870] r9:c1acf454 r8:c15ead50 r7:c6247f60 r6:00000017 r5:c6050000 r4:c6246000 # [ 96.107631] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 96.117306] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 96.127497] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.136721] r4:00000037 # [ 96.139266] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.147287] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.155217] r9:c6247f60 r8:c307f9c0 r7:00000017 r6:b6e9c000 r5:c475bb80 r4:c0c53b4c # [ 96.162978] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.170821] r9:c07e0608 r8:c6247f60 r7:c2815800 r6:b6e9c000 r5:c475bb80 r4:00000000 # [ 96.178575] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.185723] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c6246000 r5:c475bb80 # [ 96.193557] r4:c475bb80 # [ 96.196103] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.203250] r9:c6246000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000017 r4:00000017 # [ 96.211009] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.218586] Exception stack(0xc6247fa8 to 0xc6247ff0) # [ 96.223652] 7fa0: 00000017 00000017 00000001 b6e9c000 00000017 00000000 # [ 96.231841] 7fc0: 00000017 00000017 b6fe3e00 00000004 00000001 00000000 00020000 bec97ac4 # [ 96.240027] 7fe0: 00000004 bec977f8 b6f4dd8f b6ed47e6 # [ 96.245170] irq event stamp: 0 # [ 96.248246] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.253840] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.261393] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.268960] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.274554] ---[ end trace cceb88b828b1346c ]--- # [ 96.279233] 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 [ 96.865445] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 96.872379] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 96.879144] ------------[ cut here ]------------ [ 96.883796] WARNING: CPU: 0 PID: 3031 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 96.892315] refcount_t: saturated; leaking memory. [ 96.897158] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 96.926495] CPU: 0 PID: 3031 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 96.934250] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 96.940785] Backtrace: [ 96.943264] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 96.950846] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 96.956526] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.963856] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.970830] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 [ 96.978589] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.986082] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c6232000 [ 96.991758] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 97.000730] r9:c1acf46c r8:c15ead50 r7:c6233f60 r6:00000020 r5:c671f000 r4:c0000000 [ 97.008496] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 97.018952] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 97.030695] r5:c671f000 r4:c6232000 [ 97.034289] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.044296] r4:00000038 [ 97.046843] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.054866] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.062796] r9:c6233f60 r8:c307f9c0 r7:00000020 r6:b6df0000 r5:c5870f00 r4:c0c53b4c [ 97.070558] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 97.078401] r9:c07e0608 r8:c6233f60 r7:c2815800 r6:b6df0000 r5:c5870f00 r4:00000000 [ 97.086157] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.093303] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6232000 r5:c5870f00 [ 97.101139] r4:c5870f00 [ 97.103689] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.110837] r9:c6232000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000020 r4:00000020 [ 97.118599] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.126177] Exception stack(0xc6233fa8 to 0xc6233ff0) [ 97.131243] 3fa0: 00000020 00000020 00000001 b6df0000 00000020 00000000 [ 97.139433] 3fc0: 00000020 00000020 b6f37e00 00000004 00000001 00000000 00020000 beda7ac4 [ 97.147619] 3fe0: 00000004 beda77f8 b6ea1d8f b6e287e6 [ 97.152760] irq event stamp: 0 [ 97.155867] hardirqs last enabled at (0): [<00000000>] 0x0 [ 97.161461] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 97.169003] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 97.177461] softirqs last disabled at (0): [<00000000>] 0x0 [ 97.184475] ---[ end trace cceb88b828b1346d ]--- [ 97.189150] lkdtm: Saturation detected: still saturated # [ 0.000000] Switching to timer-based delay loop, resolution 15ns # [ 96.865445] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 96.872379] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 96.879144] ------------[ cut here ]------------ # [ 96.883796] WARNING: CPU: 0 PID: 3031 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 96.892315] refcount_t: saturated; leaking memory. # [ 96.897158] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 96.926495] CPU: 0 PID: 3031 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 96.934250] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.940785] Backtrace: # [ 96.943264] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.950846] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 96.956526] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.963856] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.970830] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 # [ 96.978589] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.986082] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c6232000 # [ 96.991758] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 97.000730] r9:c1acf46c r8:c15ead50 r7:c6233f60 r6:00000020 r5:c671f000 r4:c0000000 # [ 97.008496] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 97.018952] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 97.030695] r5:c671f000 r4:c6232000 # [ 97.034289] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.044296] r4:00000038 # [ 97.046843] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.054866] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.062796] r9:c6233f60 r8:c307f9c0 r7:00000020 r6:b6df0000 r5:c5870f00 r4:c0c53b4c # [ 97.070558] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.078401] r9:c07e0608 r8:c6233f60 r7:c2815800 r6:b6df0000 r5:c5870f00 r4:00000000 # [ 97.086157] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.093303] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6232000 r5:c5870f00 # [ 97.101139] r4:c5870f00 # [ 97.103689] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.110837] r9:c6232000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000020 r4:00000020 # [ 97.118599] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.126177] Exception stack(0xc6233fa8 to 0xc6233ff0) # [ 97.131243] 3fa0: 00000020 00000020 00000001 b6df0000 00000020 00000000 # [ 97.139433] 3fc0: 00000020 00000020 b6f37e00 00000004 00000001 00000000 00020000 beda7ac4 # [ 97.147619] 3fe0: 00000004 beda77f8 b6ea1d8f b6e287e6 # [ 97.152760] irq event stamp: 0 # [ 97.155867] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.161461] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.169003] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.177461] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.184475] ---[ end trace cceb88b828b1346d ]--- # [ 97.189150] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 97.788802] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 97.795812] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 97.802553] ------------[ cut here ]------------ [ 97.807342] WARNING: CPU: 1 PID: 3065 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 97.815901] refcount_t: saturated; leaking memory. [ 97.820728] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 97.850301] CPU: 1 PID: 3065 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 97.858073] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.864624] Backtrace: [ 97.867136] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.874737] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 97.880440] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.887793] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 97.894787] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 [ 97.902568] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 97.910078] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c602a000 [ 97.915777] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 97.924771] r9:c1acf48c r8:c15ead50 r7:c602bf60 r6:00000020 r5:c62d3000 r4:c0000000 [ 97.932561] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 97.943041] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 97.954802] r5:c62d3000 r4:c602a000 [ 97.958417] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.968437] r4:00000039 [ 97.971003] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.979048] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.986998] r9:c602bf60 r8:c307f9c0 r7:00000020 r6:b6dc1000 r5:c61d5680 r4:c0c53b4c [ 97.994780] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 98.002644] r9:c07e0608 r8:c602bf60 r7:c2815800 r6:b6dc1000 r5:c61d5680 r4:00000000 [ 98.010423] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.017591] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c602a000 r5:c61d5680 [ 98.025440] r4:c61d5680 [ 98.028007] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.035175] r9:c602a000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000020 r4:00000020 [ 98.042957] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.050548] Exception stack(0xc602bfa8 to 0xc602bff0) [ 98.055632] bfa0: 00000020 00000020 00000001 b6dc1000 00000020 00000000 [ 98.063843] bfc0: 00000020 00000020 b6f08e00 00000004 00000001 00000000 00020000 be8a3ac4 [ 98.072047] bfe0: 00000004 be8a37f8 b6e72d8f b6df97e6 [ 98.077281] irq event stamp: 0 [ 98.080390] hardirqs last enabled at (0): [<00000000>] 0x0 [ 98.086075] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 98.093609] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 98.101194] softirqs last disabled at (0): [<00000000>] 0x0 [ 98.106861] ---[ end trace cceb88b828b1346e ]--- [ 98.111514] lkdtm: Saturation detected: still saturated # [ 97.788802] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 97.795812] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 97.802553] ------------[ cut here ]------------ # [ 97.807342] WARNING: CPU: 1 PID: 3065 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 97.815901] refcount_t: saturated; leaking memory. # [ 97.820728] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 97.850301] CPU: 1 PID: 3065 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 97.858073] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.864624] Backtrace: # [ 97.867136] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.874737] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 97.880440] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.887793] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.894787] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a235c8 # [ 97.902568] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.910078] r7:00000013 r6:c1a235c8 r5:c1a235a0 r4:c602a000 # [ 97.915777] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 97.924771] r9:c1acf48c r8:c15ead50 r7:c602bf60 r6:00000020 r5:c62d3000 r4:c0000000 # [ 97.932561] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 97.943041] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 97.954802] r5:c62d3000 r4:c602a000 # [ 97.958417] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.968437] r4:00000039 # [ 97.971003] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.979048] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.986998] r9:c602bf60 r8:c307f9c0 r7:00000020 r6:b6dc1000 r5:c61d5680 r4:c0c53b4c # [ 97.994780] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.002644] r9:c07e0608 r8:c602bf60 r7:c2815800 r6:b6dc1000 r5:c61d5680 r4:00000000 # [ 98.010423] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.017591] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c602a000 r5:c61d5680 # [ 98.025440] r4:c61d5680 # [ 98.028007] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.035175] r9:c602a000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000020 r4:00000020 # [ 98.042957] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.050548] Exception stack(0xc602bfa8 to 0xc602bff0) # [ 98.055632] bfa0: 00000020 00000020 00000001 b6dc1000 00000020 00000000 # [ 98.063843] bfc0: 00000020 00000020 b6f08e00 00000004 00000001 00000000 00020000 be8a3ac4 # [ 98.072047] bfe0: 00000004 be8a37f8 b6e72d8f b6df97e6 # [ 98.077281] irq event stamp: 0 # [ 98.080390] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.086075] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.093609] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.101194] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.106861] ---[ end trace cceb88b828b1346e ]--- # [ 98.111514] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh [ 98.735728] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 98.742652] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 98.749429] ------------[ cut here ]------------ [ 98.754078] WARNING: CPU: 3 PID: 3102 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 98.762677] refcount_t: underflow; use-after-free. [ 98.767550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 98.796784] CPU: 3 PID: 3102 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 98.804538] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.811075] Backtrace: [ 98.813551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.821133] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 98.826814] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.834144] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 98.841119] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 [ 98.848876] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 98.856369] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c607c000 [ 98.862043] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 98.871101] r9:c1acf4ac r8:c15ead50 r7:c607df60 r6:00000020 r5:c62d1000 r4:c607c000 [ 98.878863] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 98.889321] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 98.901076] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.911083] r4:0000003a [ 98.913631] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.921654] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.929584] r9:c607df60 r8:c307f9c0 r7:00000020 r6:b6e7e000 r5:c475be00 r4:c0c53b4c [ 98.937346] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 98.945189] r9:c07e0608 r8:c607df60 r7:c2815800 r6:b6e7e000 r5:c475be00 r4:00000000 [ 98.952944] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.960092] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c607c000 r5:c475be00 [ 98.967927] r4:c475be00 [ 98.970475] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.977622] r9:c607c000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000020 r4:00000020 [ 98.985381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.992957] Exception stack(0xc607dfa8 to 0xc607dff0) [ 98.998023] dfa0: 00000020 00000020 00000001 b6e7e000 00000020 00000000 [ 99.006213] dfc0: 00000020 00000020 b6fc5e00 00000004 00000001 00000000 00020000 beb39ac4 [ 99.014399] dfe0: 00000004 beb397f8 b6f2fd8f b6eb67e6 [ 99.019538] irq event stamp: 0 [ 99.022615] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.028242] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 99.035793] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 99.043298] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.048933] ---[ end trace cceb88b828b1346f ]--- [ 99.053571] lkdtm: Saturation detected: still saturated # [ 98.735728] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 98.742652] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 98.749429] ------------[ cut here ]------------ # [ 98.754078] WARNING: CPU: 3 PID: 3102 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 98.762677] refcount_t: underflow; use-after-free. # [ 98.767550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 98.796784] CPU: 3 PID: 3102 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 98.804538] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.811075] Backtrace: # [ 98.813551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.821133] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 98.826814] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.834144] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.841119] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 # [ 98.848876] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.856369] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c607c000 # [ 98.862043] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 98.871101] r9:c1acf4ac r8:c15ead50 r7:c607df60 r6:00000020 r5:c62d1000 r4:c607c000 # [ 98.878863] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 98.889321] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 98.901076] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.911083] r4:0000003a # [ 98.913631] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.921654] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.929584] r9:c607df60 r8:c307f9c0 r7:00000020 r6:b6e7e000 r5:c475be00 r4:c0c53b4c # [ 98.937346] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.945189] r9:c07e0608 r8:c607df60 r7:c2815800 r6:b6e7e000 r5:c475be00 r4:00000000 # [ 98.952944] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.960092] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c607c000 r5:c475be00 # [ 98.967927] r4:c475be00 # [ 98.970475] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.977622] r9:c607c000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000020 r4:00000020 # [ 98.985381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.992957] Exception stack(0xc607dfa8 to 0xc607dff0) # [ 98.998023] dfa0: 00000020 00000020 00000001 b6e7e000 00000020 00000000 # [ 99.006213] dfc0: 00000020 00000020 b6fc5e00 00000004 00000001 00000000 00020000 beb39ac4 # [ 99.014399] dfe0: 00000004 beb397f8 b6f2fd8f b6eb67e6 # [ 99.019538] irq event stamp: 0 # [ 99.022615] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.028242] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.035793] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.043298] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.048933] ---[ end trace cceb88b828b1346f ]--- # [ 99.053571] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh [ 99.659105] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 99.666088] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 99.672825] ------------[ cut here ]------------ [ 99.677531] WARNING: CPU: 2 PID: 3137 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 99.686126] refcount_t: underflow; use-after-free. [ 99.690930] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 [ 99.720156] CPU: 2 PID: 3137 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 99.727911] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.734447] Backtrace: [ 99.736925] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.744509] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 99.750188] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.757516] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.764490] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 [ 99.772247] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.779741] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c6246000 [ 99.785419] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 99.794476] r9:c1acf4cc r8:c15ead50 r7:c6247f60 r6:00000020 r5:c5d42000 r4:c6246000 [ 99.802239] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 99.812697] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 99.824449] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.834455] r4:0000003b [ 99.837002] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.845027] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.852958] r9:c6247f60 r8:c307f9c0 r7:00000020 r6:b6dd0000 r5:c5a74640 r4:c0c53b4c [ 99.860719] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 99.868562] r9:c07e0608 r8:c6247f60 r7:c2815800 r6:b6dd0000 r5:c5a74640 r4:00000000 [ 99.876317] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.883465] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6246000 r5:c5a74640 [ 99.891300] r4:c5a74640 [ 99.893848] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.900996] r9:c6246000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000020 r4:00000020 [ 99.908754] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.916332] Exception stack(0xc6247fa8 to 0xc6247ff0) [ 99.921397] 7fa0: 00000020 00000020 00000001 b6dd0000 00000020 00000000 [ 99.929588] 7fc0: 00000020 00000020 b6f17e00 00000004 00000001 00000000 00020000 bed79ac4 [ 99.937773] 7fe0: 00000004 bed797f8 b6e81d8f b6e087e6 [ 99.942913] irq event stamp: 0 [ 99.946021] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.951616] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 99.959159] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 99.966753] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.972377] ---[ end trace cceb88b828b13470 ]--- [ 99.977054] lkdtm: Saturation detected: still saturated # [ 99.659105] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 99.666088] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 99.672825] ------------[ cut here ]------------ # [ 99.677531] WARNING: CPU: 2 PID: 3137 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 99.686126] refcount_t: underflow; use-after-free. # [ 99.690930] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 99.720156] CPU: 2 PID: 3137 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 99.727911] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.734447] Backtrace: # [ 99.736925] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.744509] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 99.750188] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.757516] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.764490] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a235c8 # [ 99.772247] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.779741] r7:0000001c r6:c1a235c8 r5:c1a23604 r4:c6246000 # [ 99.785419] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 99.794476] r9:c1acf4cc r8:c15ead50 r7:c6247f60 r6:00000020 r5:c5d42000 r4:c6246000 # [ 99.802239] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 99.812697] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 99.824449] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.834455] r4:0000003b # [ 99.837002] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.845027] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.852958] r9:c6247f60 r8:c307f9c0 r7:00000020 r6:b6dd0000 r5:c5a74640 r4:c0c53b4c # [ 99.860719] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.868562] r9:c07e0608 r8:c6247f60 r7:c2815800 r6:b6dd0000 r5:c5a74640 r4:00000000 # [ 99.876317] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.883465] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6246000 r5:c5a74640 # [ 99.891300] r4:c5a74640 # [ 99.893848] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.900996] r9:c6246000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000020 r4:00000020 # [ 99.908754] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.916332] Exception stack(0xc6247fa8 to 0xc6247ff0) # [ 99.921397] 7fa0: 00000020 00000020 00000001 b6dd0000 00000020 00000000 # [ 99.929588] 7fc0: 00000020 00000020 b6f17e00 00000004 00000001 00000000 00020000 bed79ac4 # [ 99.937773] 7fe0: 00000004 bed797f8 b6e81d8f b6e087e6 # [ 99.942913] irq event stamp: 0 # [ 99.946021] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.951616] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.959159] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.966753] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.972377] ---[ end trace cceb88b828b13470 ]--- # [ 99.977054] 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 [ 100.995167] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 101.001268] lkdtm: attempting good copy_to_user of correct size [ 101.007378] lkdtm: attempting bad copy_to_user of too large size # [ 100.995167] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 101.001268] lkdtm: attempting good copy_to_user of correct size # [ 101.007378] 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 [ 101.571360] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 101.577643] lkdtm: attempting good copy_from_user of correct size [ 101.583775] lkdtm: attempting bad copy_from_user of too large size # [ 101.571360] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 101.577643] lkdtm: attempting good copy_from_user of correct size # [ 101.583775] 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 [ 102.143770] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 102.150408] lkdtm: attempting good copy_to_user inside whitelist [ 102.156534] lkdtm: attempting bad copy_to_user outside whitelist # [ 102.143770] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 102.150408] lkdtm: attempting good copy_to_user inside whitelist # [ 102.156534] 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 [ 102.728630] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 102.735403] lkdtm: attempting good copy_from_user inside whitelist [ 102.741650] lkdtm: attempting bad copy_from_user outside whitelist # [ 102.728630] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 102.735403] lkdtm: attempting good copy_from_user inside whitelist # [ 102.741650] 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 [ 103.293483] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 103.299817] lkdtm: good_stack: c478fe0c-c478fe2c [ 103.304473] lkdtm: bad_stack : c478fd84-c478fda4 [ 103.309219] lkdtm: attempting good copy_to_user of local stack [ 103.315292] lkdtm: attempting bad copy_to_user of distant stack # [ 103.293483] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 103.299817] lkdtm: good_stack: c478fe0c-c478fe2c # [ 103.304473] lkdtm: bad_stack : c478fd84-c478fda4 # [ 103.309219] lkdtm: attempting good copy_to_user of local stack # [ 103.315292] 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 [ 103.886608] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 103.892991] lkdtm: good_stack: c602be0c-c602be2c [ 103.897678] lkdtm: bad_stack : c602bd84-c602bda4 [ 103.902325] lkdtm: attempting good copy_from_user of local stack [ 103.908441] lkdtm: attempting bad copy_from_user of distant stack # [ 103.886608] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 103.892991] lkdtm: good_stack: c602be0c-c602be2c # [ 103.897678] lkdtm: bad_stack : c602bd84-c602bda4 # [ 103.902325] lkdtm: attempting good copy_from_user of local stack # [ 103.908441] 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 [ 104.454305] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 104.460423] lkdtm: good_stack: c6259e0c-c6259e2c [ 104.465111] lkdtm: bad_stack : c6259ffc-c625a01c [ 104.469766] lkdtm: attempting good copy_to_user of local stack [ 104.475713] lkdtm: attempting bad copy_to_user of distant stack # [ 104.454305] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 104.460423] lkdtm: good_stack: c6259e0c-c6259e2c # [ 104.465111] lkdtm: bad_stack : c6259ffc-c625a01c # [ 104.469766] lkdtm: attempting good copy_to_user of local stack # [ 104.475713] 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 [ 105.033063] lkdtm: Performing direct entry USERCOPY_KERNEL [ 105.038719] lkdtm: attempting good copy_to_user from kernel rodata: c15eaffc [ 105.046010] lkdtm: attempting bad copy_to_user from kernel text: c053cc24 [ 105.052847] lkdtm: FAIL: survived bad copy_to_user() # [ 105.033063] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 105.038719] lkdtm: attempting good copy_to_user from kernel rodata: c15eaffc # [ 105.046010] lkdtm: attempting bad copy_to_user from kernel text: c053cc24 # [ 105.052847] 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 [ 105.612538] lkdtm: Performing direct entry STACKLEAK_ERASING [ 105.618369] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 105.625531] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 105.632447] lkdtm: FAIL: the thread stack is NOT properly erased [ 105.638543] CPU: 1 PID: 3502 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 105.646298] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 105.652832] Backtrace: [ 105.655315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 105.662897] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 105.668578] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 105.675912] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 105.684452] r9:c1acf5d4 r8:c15ead50 r7:c602bf60 r6:c602be34 r5:c602a000 r4:0000078d [ 105.692212] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.701009] r8:c15ead50 r7:c602bf60 r6:00000012 r5:c6050000 r4:00000046 [ 105.707722] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.715745] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 105.723675] r9:c602bf60 r8:c307f9c0 r7:00000012 r6:b6e89000 r5:c59f3400 r4:c0c53b4c [ 105.731438] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 105.739281] r9:c07e0608 r8:c602bf60 r7:c2815800 r6:b6e89000 r5:c59f3400 r4:00000000 [ 105.747039] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.754187] r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c602a000 r5:c59f3400 [ 105.762024] r4:c59f3400 [ 105.764570] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.771720] r9:c602a000 r8:c03002e4 r7:00000004 r6:b6fd0e00 r5:00000012 r4:00000012 [ 105.779479] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.787058] Exception stack(0xc602bfa8 to 0xc602bff0) [ 105.792122] bfa0: 00000012 00000012 00000001 b6e89000 00000012 00000000 [ 105.800313] bfc0: 00000012 00000012 b6fd0e00 00000004 00000001 00000000 00020000 bef78ac4 [ 105.808502] bfe0: 00000004 bef787f8 b6f3ad8f b6ec17e6 # [ 105.612538] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 105.618369] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 105.625531] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 105.632447] lkdtm: FAIL: the thread stack is NOT properly erased # [ 105.638543] CPU: 1 PID: 3502 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 105.646298] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.652832] Backtrace: # [ 105.655315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.662897] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 105.668578] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.675912] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 105.684452] r9:c1acf5d4 r8:c15ead50 r7:c602bf60 r6:c602be34 r5:c602a000 r4:0000078d # [ 105.692212] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.701009] r8:c15ead50 r7:c602bf60 r6:00000012 r5:c6050000 r4:00000046 # [ 105.707722] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.715745] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.723675] r9:c602bf60 r8:c307f9c0 r7:00000012 r6:b6e89000 r5:c59f3400 r4:c0c53b4c # [ 105.731438] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 105.739281] r9:c07e0608 r8:c602bf60 r7:c2815800 r6:b6e89000 r5:c59f3400 r4:00000000 # [ 105.747039] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.754187] r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c602a000 r5:c59f3400 # [ 105.762024] r4:c59f3400 # [ 105.764570] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.771720] r9:c602a000 r8:c03002e4 r7:00000004 r6:b6fd0e00 r5:00000012 r4:00000012 # [ 105.779479] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.787058] Exception stack(0xc602bfa8 to 0xc602bff0) # [ 105.792122] bfa0: 00000012 00000012 00000001 b6e89000 00000012 00000000 # [ 105.800313] bfc0: 00000012 00000012 b6fd0e00 00000004 00000001 00000000 00020000 bef78ac4 # [ 105.808502] bfe0: 00000004 bef787f8 b6f3ad8f b6ec17e6 # 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 [ 106.379731] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 106.385594] lkdtm: Calling matched prototype ... [ 106.390251] lkdtm: Calling mismatched prototype ... [ 106.395295] lkdtm: Fail: survived mismatched prototype function call! # [ 106.379731] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 106.385594] lkdtm: Calling matched prototype ... # [ 106.390251] lkdtm: Calling mismatched prototype ... # [ 106.395295] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #