[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.38 (12 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10527299/tftp-deploy-3t96xhku/kernel/zImage tftp 0x10000000 10527299/tftp-deploy-3t96xhku/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '10527299/tftp-deploy-3t96xhku/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 6.4 MiB/s done Bytes transferred = 12407296 (bd5200 hex) => tftp 0x14000000 10527299/tftp-deploy-3t96xhku/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10527299/tftp-deploy-3t96xhku/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '10527299/tftp-deploy-3t96xhku/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 11.4 MiB/s done Bytes transferred = 15453940 (ebcef4 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10527299/tftp-deploy-3t96xhku/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10527299/tftp-deploy-3t96xhku/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '10527299/tftp-deploy-3t96xhku/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 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/10527299/extract-nfsrootfs-yjbl7tss,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527299/extract-nfsrootfs-yjbl7tss,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbd5200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15453876 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 5.10.181-cip34 (KernelCI@build-j1586929-arm-gcc-10-multi-v7-defconfig-kselftest-cwbwx) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue May 30 15:59:09 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/10527299/extract-nfsrootfs-yjbl7tss,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: 921424K/1048576K available (17408K kernel code, 2656K rwdata, 8100K rodata, 2048K init, 6694K bss, 61616K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55465 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 333ns [ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000041] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004650] Console: colour dummy device 80x30 [ 0.004719] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004750] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004778] ... MAX_LOCK_DEPTH: 48 [ 0.004805] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004833] ... CLASSHASH_SIZE: 4096 [ 0.004861] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004888] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004915] ... CHAINHASH_SIZE: 32768 [ 0.004942] memory used by lock dependency info: 4061 kB [ 0.004969] memory used for stack traces: 2112 kB [ 0.004994] per task-struct memory footprint: 1536 bytes [ 0.005095] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005148] pid_max: default: 32768 minimum: 301 [ 0.005503] LSM: Security Framework initializing [ 0.005608] LSM support for eBPF active [ 0.005745] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005798] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008348] CPU: Testing write buffer coherency: ok [ 0.008478] CPU0: Spectre v2: using BPIALL workaround [ 0.009500] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013055] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015518] rcu: Hierarchical SRCU implementation. [ 0.024469] EFI services will not be available. [ 0.025632] smp: Bringing up secondary CPUs ... [ 0.028552] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.028567] CPU1: Spectre v2: using BPIALL workaround [ 0.032097] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.032110] CPU2: Spectre v2: using BPIALL workaround [ 0.035277] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.035292] CPU3: Spectre v2: using BPIALL workaround [ 0.035974] smp: Brought up 1 node, 4 CPUs [ 0.036010] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.036040] CPU: All CPU(s) started in SVC mode. [ 0.038444] devtmpfs: initialized [ 0.087114] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.089666] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.089735] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.094428] pinctrl core: initialized pinctrl subsystem [ 0.100926] DMI not present or invalid. [ 0.103104] NET: Registered protocol family 16 [ 0.113014] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.121708] thermal_sys: Registered thermal governor 'step_wise' [ 0.122267] cpuidle: using governor menu [ 0.122760] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.760963] vdd1p1: supplied by regulator-dummy [ 0.788146] vdd3p0: supplied by regulator-dummy [ 0.814887] vdd2p5: supplied by regulator-dummy [ 0.841689] vddarm: supplied by regulator-dummy [ 0.869372] vddpu: supplied by regulator-dummy [ 0.895357] vddsoc: supplied by regulator-dummy [ 2.038440] No ATAGs? [ 2.038981] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.039058] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.055905] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.081199] Serial: AMBA PL011 UART driver [ 2.137796] Kprobes globally optimized [ 2.240691] iommu: Default domain type: Translated [ 2.242515] vgaarb: loaded [ 2.246737] SCSI subsystem initialized [ 2.248595] usbcore: registered new interface driver usbfs [ 2.248991] usbcore: registered new interface driver hub [ 2.249205] usbcore: registered new device driver usb [ 2.255876] i2c i2c-0: IMX I2C adapter registered [ 2.262048] i2c i2c-1: IMX I2C adapter registered [ 2.266066] i2c i2c-2: IMX I2C adapter registered [ 2.270242] pps_core: LinuxPPS API ver. 1 registered [ 2.270278] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.270365] PTP clock support registered [ 2.285213] clocksource: Switched to clocksource mxc_timer1 [ 3.858980] NET: Registered protocol family 2 [ 3.859734] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 3.862692] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 3.862863] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 3.863071] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 3.864506] TCP: Hash tables configured (established 8192 bind 8192) [ 3.865625] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 3.865953] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.866203] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.866921] NET: Registered protocol family 1 [ 3.869534] RPC: Registered named UNIX socket transport module. [ 3.869615] RPC: Registered udp transport module. [ 3.869648] RPC: Registered tcp transport module. [ 3.869681] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.869733] NET: Registered protocol family 44 [ 3.869796] PCI: CLS 0 bytes, default 64 [ 3.871986] Trying to unpack rootfs image as initramfs... [ 5.674890] Freeing initrd memory: 15092K [ 5.676050] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 5.677336] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 5.685606] Initialise system trusted keyrings [ 5.686595] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 5.730664] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.733938] NFS: Registering the id_resolver key type [ 5.734126] Key type id_resolver registered [ 5.734211] Key type id_legacy registered [ 5.734777] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.734880] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.735072] ntfs: driver 2.1.32 [Flags: R/O]. [ 5.737123] Key type asymmetric registered [ 5.737246] Asymmetric key parser 'x509' registered [ 5.737613] bounce: pool size: 64 pages [ 5.737774] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 5.737872] io scheduler mq-deadline registered [ 5.737911] io scheduler kyber registered [ 5.738766] test_firmware: interface ready [ 5.895319] mxs-dma 110000.dma-apbh: initialized [ 5.952324] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 5.952578] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.182962] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.201362] SuperH (H)SCI(F) driver initialized [ 6.204073] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.208740] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.139428] printk: console [ttymxc1] enabled [ 7.149513] msm_serial: driver initialized [ 7.154564] STMicroelectronics ASC driver initialized [ 7.165651] STM32 USART driver initialized [ 7.189391] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.210659] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.218999] panel-simple panel-lcd: Specify missing connector_type [ 7.226682] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.275909] brd: module loaded [ 7.329474] loop: module loaded [ 7.335561] lkdtm: No crash points registered, enable through debugfs [ 7.356226] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 7.364186] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 7.372287] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 7.380557] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 7.388558] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 7.396748] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 7.404392] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 7.415690] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 7.422712] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 7.431620] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 7.445536] scsi host0: ahci-imx [ 7.450925] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 7.509598] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 7.522676] pps pps0: new PPS source ptp0 [ 7.566800] fec 2188000.ethernet eth0: registered PHC device 0 [ 7.577037] e1000e: Intel(R) PRO/1000 Network Driver [ 7.582032] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.588241] igb: Intel(R) Gigabit Ethernet Network Driver [ 7.593668] igb: Copyright (c) 2007-2014 Intel Corporation. [ 7.619178] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 7.626812] usbcore: registered new interface driver pegasus [ 7.632689] usbcore: registered new interface driver asix [ 7.638295] usbcore: registered new interface driver ax88179_178a [ 7.644546] usbcore: registered new interface driver cdc_ether [ 7.650659] usbcore: registered new interface driver smsc75xx [ 7.656688] usbcore: registered new interface driver smsc95xx [ 7.662589] usbcore: registered new interface driver net1080 [ 7.668448] usbcore: registered new interface driver cdc_subset [ 7.674517] usbcore: registered new interface driver zaurus [ 7.680391] usbcore: registered new interface driver cdc_ncm [ 7.697711] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 7.704341] ehci-pci: EHCI PCI platform driver [ 7.709004] ehci-platform: EHCI generic platform driver [ 7.715222] ehci-orion: EHCI orion driver [ 7.720072] SPEAr-ehci: EHCI SPEAr driver [ 7.724889] ehci-st: EHCI STMicroelectronics driver [ 7.730614] ehci-exynos: EHCI Exynos driver [ 7.735635] ehci-atmel: EHCI Atmel driver [ 7.740417] tegra-ehci: Tegra EHCI driver [ 7.745290] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 7.751564] ohci-pci: OHCI PCI platform driver [ 7.756224] ohci-platform: OHCI generic platform driver [ 7.762336] SPEAr-ohci: OHCI SPEAr driver [ 7.767277] ohci-st: OHCI STMicroelectronics driver [ 7.772945] ohci-atmel: OHCI Atmel driver [ 7.780184] usbcore: registered new interface driver usb-storage [ 7.787955] ata1: SATA link down (SStatus 0 SControl 300) [ 7.793724] ahci-imx 2200000.sata: no device found, disabling link. [ 7.800095] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 7.815671] i2c /dev entries driver [ 7.892872] sdhci: Secure Digital Host Controller Interface driver [ 7.899133] sdhci: Copyright(c) Pierre Ossman [ 7.912202] Synopsys Designware Multimedia Card Interface Driver [ 7.924912] sdhci-pltfm: SDHCI platform and OF driver helper [ 7.934186] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 7.936847] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 7.939461] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 7.951671] ledtrig-cpu: registered to indicate activity on CPUs [ 7.961237] usbcore: registered new interface driver usbhid [ 7.966889] usbhid: USB HID core driver [ 7.983408] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 7.984364] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 7.992983] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.005023] IPv4 over IPsec tunneling driver [ 8.013921] NET: Registered protocol family 10 [ 8.023711] Segment Routing with IPv6 [ 8.033164] NET: Registered protocol family 17 [ 8.039091] mmc2: new high speed SDHC card at address aaaa [ 8.039352] Key type dns_resolver registered [ 8.048403] mmcblk2: mmc2:aaaa SL16G 14.8 GiB [ 8.067679] ThumbEE CPU extension supported. [ 8.072089] Registering SWP/SWPB emulation handler [ 8.078099] Loading compiled-in X.509 certificates [ 8.080714] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.090523] GPT:29296874 != 31116287 [ 8.094132] GPT:Alternate GPT header not at the end of the disk. [ 8.100284] GPT:29296874 != 31116287 [ 8.103886] GPT: Use GNU Parted to correct GPT errors. [ 8.109149] mmcblk2: p1 p2 p3 [ 8.236641] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.244869] panel-simple panel-lcd: Specify missing connector_type [ 8.257208] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.292812] imx_usb 2184200.usb: No over current polarity defined [ 8.307741] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 8.312958] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 8.345722] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 8.364757] hub 1-0:1.0: USB hub found [ 8.369113] hub 1-0:1.0: 1 port detected [ 8.383729] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 8.413176] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.421433] panel-simple panel-lcd: Specify missing connector_type [ 8.433682] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.461157] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.469379] panel-simple panel-lcd: Specify missing connector_type [ 8.481539] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.499261] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 8.525802] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.533944] panel-simple panel-lcd: Specify missing connector_type [ 8.546288] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.566763] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) [ 8.765648] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 8.973888] hub 1-1:1.0: USB hub found [ 8.978626] hub 1-1:1.0: 3 ports detected [ 9.007787] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.015995] panel-simple panel-lcd: Specify missing connector_type [ 9.028438] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.677180] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 11.706486] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 11.735546] Sending DHCP requests ., OK [ 11.779571] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.38 [ 11.787829] IP-Config: Complete: [ 11.791131] device=eth0, hwaddr=00:19:b8:08:f0:fe, ipaddr=192.168.201.38, mask=255.255.255.0, gw=192.168.201.1 [ 11.801728] host=imx6q-sabrelite-lava-cbg-8, domain=lava-rack, nis-domain=(none) [ 11.809722] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 11.809761] nameserver0=192.168.201.1 [ 11.875055] Freeing unused kernel memory: 2048K [ 11.886020] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 15.384754] imx-ipuv3 2400000.ipu: IPUv3H probed [ 15.420661] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.433445] panel-simple panel-lcd: Specify missing connector_type [ 15.442044] imx-ipuv3 2800000.ipu: IPUv3H probed [ 15.470135] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.509314] CAN device driver interface [ 15.538789] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.549330] panel-simple panel-lcd: Specify missing connector_type [ 15.562562] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.597951] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.611677] panel-simple panel-lcd: Specify missing connector_type [ 15.636026] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 15.649022] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 15.672972] caam 2100000.crypto: Entropy delay = 3200 [ 15.735463] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 15.738977] caam 2100000.crypto: Instantiated RNG4 SH0 [ 15.742059] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 15.799750] caam 2100000.crypto: Instantiated RNG4 SH1 [ 15.804949] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 15.811651] caam 2100000.crypto: job rings = 2, qi = 0 [ 15.834634] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.868878] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.873506] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 15.877515] panel-simple panel-lcd: Specify missing connector_type [ 15.884870] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 15.897873] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.899406] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 15.915314] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 15.928670] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 15.934981] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.944524] panel-simple panel-lcd: Specify missing connector_type [ 15.955445] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 15.959736] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.970081] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 15.977078] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 15.983208] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 15.992977] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 16.007155] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.012087] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.016005] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.023650] panel-simple panel-lcd: Specify missing connector_type [ 16.031768] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.046352] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.046556] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.094511] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.103897] panel-simple panel-lcd: Specify missing connector_type [ 16.138222] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.147018] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.155547] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.163914] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.235532] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.716433] caam algorithms registered in /proc/crypto [ 16.748299] caam 2100000.crypto: registering rng-caam [ 16.772231] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.780594] panel-simple panel-lcd: Specify missing connector_type [ 16.804005] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.812578] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.821179] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.829574] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.843892] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.872202] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.880603] panel-simple panel-lcd: Specify missing connector_type Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting[ 16.906706] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) root file system ... Begin: Runn[ 16.917313] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) ing /scripts/nfs-top ... [ 16.928449] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) done. [ 16.938742] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Running /scripts/nfs-premo[ 16.938932] random: crng init done 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:b8:08:f0:fe mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.38 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-8 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 19.030676] systemd[1]: System time before build time, advancing clock. [ 19.295680] 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) [ 19.324778] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 19.381987] systemd[1]: Set hostname to . [ 20.913049] systemd[1]: Queued start job for default target Graphical Interface. [ 20.927037] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 20.944277] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 21.000235] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 21.039555] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 21.089307] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 21.138519] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 21.186946] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 21.200595] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 21.235967] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 21.276283] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 21.316203] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 21.357261] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 21.397465] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 21.495997] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 21.509481] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 21.561672] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 21.611177] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 21.667021] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 21.710646] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 21.759357] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 21.768584] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 21.790007] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 21.838393] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 21.902765] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 21.964459] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 22.027884] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 22.074418] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 22.138478] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 22.142325] fuse: init (API version 7.32) [ 22.170179] systemd[1]: Starting Journal Service... Starting Journal Service... [ 22.221683] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 22.266977] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 22.328356] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 22.387656] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 22.437468] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 22.492998] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 22.588248] systemd[1]: modprobe@configfs.service: Succeeded. [ 22.598386] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 22.650661] systemd[1]: modprobe@drm.service: Succeeded. [ 22.659835] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 22.710612] systemd[1]: modprobe@fuse.service: Succeeded. [ 22.720261] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 22.760366] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 22.810203] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 22.856777] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 22.904181] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 22.954031] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 22.963736] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 22.982294] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 23.034235] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 23.096103] systemd[1]: Starting Create System Users... Starting Create System Users... [ 23.152408] 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... [ 23.558068] systemd-journald[281]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. 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 ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ 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 ] Reached target Hardware activated USB gadget. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.181-cip34 #1 SMP Tue May 30 15:59:09 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/10527299/extract-nfsrootfs-yjbl7tss' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10527299/extract-nfsrootfs-yjbl7tss' / # 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-10527299/environment . /lava-10527299/environment / # /lava-10527299/bin/lava-test-runner /lava-10527299/0 /lava-10527299/bin/lava-test-runner /lava-10527299/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10527299/0/tests/0_timesync-off ++ cat uuid + UUID=10527299_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-10527299/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10527299_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/v5.10.180-cip34-213-g6582dd41d2c22/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 --2023-05-30 16:20:21-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1408924 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 100KB/s kselftest.tar.xz 6%[> ] 85.99K 149KB/s kselftest.tar.xz 8%[> ] 113.78K 131KB/s kselftest.tar.xz 12%[=> ] 176.49K 151KB/s kselftest.tar.xz 14%[=> ] 197.21K 135KB/s kselftest.tar.xz 16%[==> ] 228.81K 131KB/s kselftest.tar.xz 17%[==> ] 242.95K 123KB/s kselftest.tar.xz 18%[==> ] 257.09K 118KB/s kselftest.tar.xz 20%[===> ] 278.30K 112KB/s kselftest.tar.xz 22%[===> ] 307.51K 109KB/s kselftest.tar.xz 23%[===> ] 322.14K 105KB/s eta 10s kselftest.tar.xz 24%[===> ] 343.35K 104KB/s eta 10s kselftest.tar.xz 26%[====> ] 370.21K 103KB/s eta 10s kselftest.tar.xz 28%[====> ] 388.11K 99.8KB/s eta 10s kselftest.tar.xz 30%[=====> ] 415.46K 98.4KB/s eta 10s kselftest.tar.xz 32%[=====> ] 440.92K 97.7KB/s eta 10s kselftest.tar.xz 34%[=====> ] 469.20K 97.6KB/s eta 10s kselftest.tar.xz 35%[======> ] 494.65K 98.2KB/s eta 10s kselftest.tar.xz 37%[======> ] 511.62K 91.2KB/s eta 9s kselftest.tar.xz 39%[======> ] 539.90K 92.6KB/s eta 9s kselftest.tar.xz 40%[=======> ] 562.53K 85.5KB/s eta 9s kselftest.tar.xz 42%[=======> ] 590.81K 88.5KB/s eta 9s kselftest.tar.xz 44%[=======> ] 611.53K 86.0KB/s eta 9s kselftest.tar.xz 46%[========> ] 640.30K 89.7KB/s eta 7s kselftest.tar.xz 48%[========> ] 667.17K 92.5KB/s eta 7s kselftest.tar.xz 50%[=========> ] 691.21K 93.9KB/s eta 7s kselftest.tar.xz 52%[=========> ] 723.25K 94.8KB/s eta 7s kselftest.tar.xz 54%[=========> ] 750.60K 97.1KB/s eta 6s kselftest.tar.xz 56%[==========> ] 776.05K 99.1KB/s eta 6s kselftest.tar.xz 57%[==========> ] 794.43K 99.2KB/s eta 6s kselftest.tar.xz 59%[==========> ] 822.71K 101KB/s eta 6s kselftest.tar.xz 61%[===========> ] 841.10K 102KB/s eta 6s kselftest.tar.xz 63%[===========> ] 870.79K 105KB/s eta 5s kselftest.tar.xz 64%[===========> ] 888.69K 102KB/s eta 5s kselftest.tar.xz 66%[============> ] 916.04K 105KB/s eta 5s kselftest.tar.xz 68%[============> ] 940.08K 104KB/s eta 5s kselftest.tar.xz 69%[============> ] 961.29K 104KB/s eta 5s kselftest.tar.xz 71%[=============> ] 979.19K 102KB/s eta 4s kselftest.tar.xz 73%[=============> ] 1010K 105KB/s eta 4s kselftest.tar.xz 74%[=============> ] 1.00M 103KB/s eta 4s kselftest.tar.xz 76%[==============> ] 1.03M 102KB/s eta 4s kselftest.tar.xz 78%[==============> ] 1.06M 101KB/s eta 3s kselftest.tar.xz 81%[===============> ] 1.09M 101KB/s eta 3s kselftest.tar.xz 83%[===============> ] 1.12M 101KB/s eta 3s kselftest.tar.xz 85%[================> ] 1.15M 101KB/s eta 3s kselftest.tar.xz 86%[================> ] 1.16M 97.1KB/s eta 2s kselftest.tar.xz 88%[================> ] 1.19M 95.1KB/s eta 2s kselftest.tar.xz 90%[=================> ] 1.21M 95.1KB/s eta 2s kselftest.tar.xz 92%[=================> ] 1.24M 91.9KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.27M 90.5KB/s eta 1s kselftest.tar.xz 96%[==================> ] 1.29M 90.5KB/s eta 1s kselftest.tar.xz 98%[==================> ] 1.32M 91.1KB/s eta 1s kselftest.tar.xz 100%[===================>] 1.34M 92.9KB/s in 14s 2023-05-30 16:20:35 (97.8 KB/s) - 'kselftest.tar.xz' saved [1408924/1408924] 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 =============== [ 68.138406] 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 [ 69.095506] lkdtm: Performing direct entry BUG [ 69.100274] ------------[ cut here ]------------ [ 69.104902] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 69.110144] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 69.115304] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 69.144603] CPU: 3 PID: 700 Comm: cat Not tainted 5.10.181-cip34 #1 [ 69.150891] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 69.157455] PC is at lkdtm_BUG+0x14/0x18 [ 69.161406] LR is at lkdtm_do_action+0x2c/0x4c [ 69.165876] pc : [] lr : [] psr: a00e0013 [ 69.172163] sp : c5c8fe58 ip : c5c8fe68 fp : c5c8fe64 [ 69.177408] r10: 00000004 r9 : c1accda0 r8 : c15e8da8 [ 69.182653] r7 : c5c8ff60 r6 : 00000004 r5 : c5f38000 r4 : 00000001 [ 69.189202] r3 : c0c54be8 r2 : 48e1caee r1 : ef7c05e0 r0 : c15e8db0 [ 69.195756] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 69.202916] Control: 10c5387d Table: 160d804a DAC: 00000051 [ 69.208687] Process cat (pid: 700, stack limit = 0x92a7c41f) [ 69.214370] Stack: (0xc5c8fe58 to 0xc5c90000) [ 69.218752] fe40: c5c8fe74 c5c8fe68 [ 69.226961] fe60: c0c5467c c0c54bf4 c5c8fe9c c5c8fe78 c0c54b7c c0c5465c c0c54a5c c5b84a00 [ 69.235168] fe80: b6dd9000 00000004 c309cf00 c5c8ff60 c5c8fec4 c5c8fea0 c07e05cc c0c54a68 [ 69.243374] fea0: 00000000 c5b84a00 b6dd9000 c2815800 c5c8ff60 c07e0568 c5c8ff5c c5c8fec8 [ 69.251581] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c5c8e000 [ 69.259787] fee0: b6dd9000 00020000 00000004 00000004 0001fffc c5c8fee0 00000001 b6dd8000 [ 69.267993] ff00: c5b71040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 69.276200] ff20: 00000000 00000000 c139d890 48e1caee c205dcc0 c5b84a00 c5b84a00 c5c8e000 [ 69.284405] ff40: b6dd9000 00000000 00000000 00000004 c5c8ff94 c5c8ff60 c059b1c4 c059ab18 [ 69.292612] ff60: 00000000 00000000 c5c8ffac 48e1caee 00000004 00000004 b6f20e00 00000004 [ 69.300818] ff80: c03002e4 c5c8e000 c5c8ffa4 c5c8ff98 c059b254 c059b15c 00000000 c5c8ffa8 [ 69.309022] ffa0: c03000c0 c059b248 00000004 00000004 00000001 b6dd9000 00000004 00000000 [ 69.317229] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bed0aac4 [ 69.325435] ffe0: 00000004 bed0a7f8 b6e8ad8f b6e117e6 800e0030 00000001 00000000 00000000 [ 69.333628] Backtrace: [ 69.336125] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 69.343729] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 69.351775] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 69.359727] r9:c5c8ff60 r8:c309cf00 r7:00000004 r6:b6dd9000 r5:c5b84a00 r4:c0c54a5c [ 69.367514] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 69.375376] r9:c07e0568 r8:c5c8ff60 r7:c2815800 r6:b6dd9000 r5:c5b84a00 r4:00000000 [ 69.383153] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 69.390320] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5c8e000 r5:c5b84a00 [ 69.398170] r4:c5b84a00 [ 69.400735] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 69.407901] r9:c5c8e000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 [ 69.415679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 69.423268] Exception stack(0xc5c8ffa8 to 0xc5c8fff0) [ 69.428347] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 [ 69.436553] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bed0aac4 [ 69.444753] ffe0: 00000004 bed0a7f8 b6e8ad8f b6e117e6 [ 69.449834] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 69.455960] ---[ end trace fff92107256d9ef5 ]--- [ 69.460604] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.469501] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat [ 69.477174] INFO: lockdep is turned off. [ 69.481114] irq event stamp: 1610 [ 69.484472] hardirqs last enabled at (1609): [] console_unlock+0x4b0/0x6c0 [ 69.492332] hardirqs last disabled at (1610): [] __und_svc+0x60/0x6c [ 69.499584] softirqs last enabled at (1578): [] __do_softirq+0x36c/0x5a0 [ 69.507269] softirqs last disabled at (1569): [] __irq_exit_rcu+0x178/0x1d0 [ 69.515127] CPU: 3 PID: 700 Comm: cat Tainted: G D 5.10.181-cip34 #1 [ 69.522803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 69.529347] Backtrace: [ 69.531847] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 69.539444] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fd78 [ 69.545143] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 69.552497] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) [ 69.560271] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19c9024 r4:c5c8e000 [ 69.568048] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 69.575901] r6:00000000 r5:00000031 r4:c19c9024 [ 69.580564] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) [ 69.588330] r6:00000001 r5:c5c8e000 r4:c5fe5100 [ 69.592993] [] (exit_signals) from [] (do_exit+0x100/0xafc) [ 69.600331] r8:0000000b r7:c1e0f90c r6:ffffe000 r5:00000000 r4:c5fe5100 [ 69.607068] [] (do_exit) from [] (make_task_dead+0x68/0x74) [ 69.614396] r7:c1e0f90c [ 69.616966] [] (make_task_dead) from [] (die+0x370/0x37c) [ 69.624132] [] (die) from [] (do_undefinstr+0x170/0x240) [ 69.631209] r10:00000004 r9:c5c8e000 r8:c15e8da8 r7:00000000 r6:c5c8fdc8 r5:c0c54bfc [ 69.639056] r4:e7f001f2 [ 69.641622] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 69.649558] Exception stack(0xc5c8fdc8 to 0xc5c8fe10) [ 69.654637] fdc0: c15e8db0 ef7c05e0 48e1caee c0c54be8 00000001 c5f38000 [ 69.662844] fde0: 00000004 c5c8ff60 c15e8da8 c1accda0 00000004 c5c8fe64 c5c8fe68 c5c8fe58 [ 69.671046] fe00: c0c5467c c0c54bfc a00e0013 ffffffff [ 69.676124] r7:c5c8fdfc r6:ffffffff r5:a00e0013 r4:c0c54c00 [ 69.681815] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 69.689415] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 69.697453] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 69.705400] r9:c5c8ff60 r8:c309cf00 r7:00000004 r6:b6dd9000 r5:c5b84a00 r4:c0c54a5c [ 69.713181] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 69.721041] r9:c07e0568 r8:c5c8ff60 r7:c2815800 r6:b6dd9000 r5:c5b84a00 r4:00000000 [ 69.728814] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 69.735978] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5c8e000 r5:c5b84a00 [ 69.743825] r4:c5b84a00 [ 69.746390] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 69.753553] r9:c5c8e000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 [ 69.761326] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 69.768915] Exception stack(0xc5c8ffa8 to 0xc5c8fff0) [ 69.773993] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 [ 69.782200] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bed0aac4 [ 69.790400] ffe0: 00000004 bed0a7f8 b6e8ad8f b6e117e6 # Segmentation fault # [ 69.095506] lkdtm: Performing direct entry BUG # [ 69.100274] ------------[ cut here ]------------ # [ 69.104902] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 69.110144] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 69.115304] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 69.144603] CPU: 3 PID: 700 Comm: cat Not tainted 5.10.181-cip34 #1 # [ 69.150891] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.157455] PC is at lkdtm_BUG+0x14/0x18 # [ 69.161406] LR is at lkdtm_do_action+0x2c/0x4c # [ 69.165876] pc : [] lr : [] psr: a00e0013 # [ 69.172163] sp : c5c8fe58 ip : c5c8fe68 fp : c5c8fe64 # [ 69.177408] r10: 00000004 r9 : c1accda0 r8 : c15e8da8 # [ 69.182653] r7 : c5c8ff60 r6 : 00000004 r5 : c5f38000 r4 : 00000001 # [ 69.189202] r3 : c0c54be8 r2 : 48e1caee r1 : ef7c05e0 r0 : c15e8db0 # [ 69.195756] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 69.202916] Control: 10c5387d Table: 160d804a DAC: 00000051 # [ 69.208687] Process cat (pid: 700, stack limit = 0x92a7c41f) # [ 69.214370] Stack: (0xc5c8fe58 to 0xc5c90000) # [ 69.218752] fe40: c5c8fe74 c5c8fe68 # [ 69.226961] fe60: c0c5467c c0c54bf4 c5c8fe9c c5c8fe78 c0c54b7c c0c5465c c0c54a5c c5b84a00 # [ 69.235168] fe80: b6dd9000 00000004 c309cf00 c5c8ff60 c5c8fec4 c5c8fea0 c07e05cc c0c54a68 # [ 69.243374] fea0: 00000000 c5b84a00 b6dd9000 c2815800 c5c8ff60 c07e0568 c5c8ff5c c5c8fec8 # [ 69.251581] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c5c8e000 # [ 69.259787] fee0: b6dd9000 00020000 00000004 00000004 0001fffc c5c8fee0 00000001 b6dd8000 # [ 69.267993] ff00: c5b71040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 69.276200] ff20: 00000000 00000000 c139d890 48e1caee c205dcc0 c5b84a00 c5b84a00 c5c8e000 # [ 69.284405] ff40: b6dd9000 00000000 00000000 00000004 c5c8ff94 c5c8ff60 c059b1c4 c059ab18 # [ 69.292612] ff60: 00000000 00000000 c5c8ffac 48e1caee 00000004 00000004 b6f20e00 00000004 # [ 69.300818] ff80: c03002e4 c5c8e000 c5c8ffa4 c5c8ff98 c059b254 c059b15c 00000000 c5c8ffa8 # [ 69.309022] ffa0: c03000c0 c059b248 00000004 00000004 00000001 b6dd9000 00000004 00000000 # [ 69.317229] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bed0aac4 # [ 69.325435] ffe0: 00000004 bed0a7f8 b6e8ad8f b6e117e6 800e0030 00000001 00000000 00000000 # [ 69.333628] Backtrace: # [ 69.336125] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.343729] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.351775] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.359727] r9:c5c8ff60 r8:c309cf00 r7:00000004 r6:b6dd9000 r5:c5b84a00 r4:c0c54a5c # [ 69.367514] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 69.375376] r9:c07e0568 r8:c5c8ff60 r7:c2815800 r6:b6dd9000 r5:c5b84a00 r4:00000000 # [ 69.383153] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.390320] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5c8e000 r5:c5b84a00 # [ 69.398170] r4:c5b84a00 # [ 69.400735] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.407901] r9:c5c8e000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 # [ 69.415679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.423268] Exception stack(0xc5c8ffa8 to 0xc5c8fff0) # [ 69.428347] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 # [ 69.436553] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bed0aac4 # [ 69.444753] ffe0: 00000004 bed0a7f8 b6e8ad8f b6e117e6 # [ 69.449834] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 69.455960] ---[ end trace fff92107256d9ef5 ]--- # [ 69.460604] BUG: sleeping function called from invalid context at inc[ 70.261414] lkdtm: Performing direct entry WARNING lude/linux/percpu-rwsem.h:49 # [[ 70.267852] ------------[ cut here ]------------ 69.469501] in_atomic(): 0, irq[ 70.275351] WARNING: CPU: 2 PID: 771 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c s_disabled(): 128, non_block: 0, [ 70.286597] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 pid: 700, name: cat # [ 69.477[ 70.318378] CPU: 2 PID: 771 Comm: cat Tainted: G D W 5.10.181-cip34 #1 174] INFO: lockdep is turned off.[ 70.328784] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.481114] irq event stam[ 70.338174] Backtrace: p: 1610 # [ 69.484472] hardirq[ 70.343499] [] (dump_backtrace) from [] (show_stack+0x20/0x24) s last enabled at (1609): [] console_unlock+0x4b0/0x6c0[ 70.362447] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 69.492332] hardirqs last [ 70.372620] [] (dump_stack) from [] (__warn+0x98/0x14c) disabled at (1610): [] [ 70.382439] r9:00000009 r8:c0c54c48 r7:00000053 r6:00000009 r5:c0c54c48 r4:c1acd45c __und_svc+0x60/0x6c # [ 69.499[ 70.393047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 584] softirqs last enabled at (1[ 70.403387] r7:00000053 r6:c1acd45c r5:00000000 r4:c6140000 578): [] __do_softirq+0[ 70.411912] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) x36c/0x5a0 # [ 69.507269] soft[ 70.422863] r9:c1accda4 r8:c15e8da8 r7:c6141f60 r6:00000008 r5:c5f7e000 r4:00000002 irqs last disabled at (1569): [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 035f968>] __irq_exit_rcu+0x178/0x[ 70.444247] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 1d0 # [ 69.515127] CPU: 3 PID:[ 70.455119] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 700 Comm: cat Tainted: G D [ 70.465908] r9:c6141f60 r8:c309cf00 r7:00000008 r6:b6e8d000 r5:c5b70b40 r4:c0c54a5c 5.10.181-cip34 #1 # [ [ 70.476519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 69.522803] Hardware name: Frees[ 70.487205] r9:c07e0568 r8:c6141f60 r7:c2815800 r6:b6e8d000 r5:c5b70b40 r4:00000000 cale i.MX6 Quad/DualLite (Device [ 70.497811] [] (vfs_write) from [] (ksys_write+0x74/0xec) Tree) # [ 69.529347] Backtrace[ 70.507807] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6140000 r5:c5b70b40 : # [ 69.531847] [][ 70.518495] r4:c5b70b40 (dump_backtrace) from [] (ksys_write) from [] (sys_write+0x18/0x1c) >] (show_stack+0x20/0x24) # [ [ 70.533892] r9:c6140000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000008 r4:00000008 69.539444] r7:ffffffff r6:600e00[ 70.544502] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 93 r5:00000000 r4:c1f0fd78 # [ [ 70.554926] Exception stack(0xc6141fa8 to 0xc6141ff0) 69.54514[ 70.562844] 1fa0: 00000008 00000008 00000001 b6e8d000 00000008 00000000 [ 70.571801] 1fc0: 00000008 00000008 b6fd4e00 00000004 00000001 00000000 00020000 be87cac4 [ 70.579986] 1fe0: 00000004 be87c7f8 b6f3ed8f b6ec57e6 [ 70.585094] irq event stamp: 0 3] [ 70.588191] hardirqs last enabled at (0): [<00000000>] 0x0 [] (show_stack) from [<[ 70.594002] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 c1381da0>] (dump_stack+0xe0/0x100[ 70.604386] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 ) [ 70.614764] softirqs last disabled at (0): [<00000000>] 0x0 # [ 69.552497] [] (du[ 70.620621] ---[ end trace fff92107256d9ef6 ]--- mp_stack) from [] (___might_sleep+0x188/0x2e0) # [ 69.560271] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19c9024 r4:c5c8e000 # [ 69.568048] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 69.575901] r6:00000000 r5:00000031 r4:c19c9024 # [ 69.580564] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 69.588330] r6:00000001 r5:c5c8e000 r4:c5fe5100 # [ 69.592993] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 69.600331] r8:0000000b r7:c1e0f90c r6:ffffe000 r5:00000000 r4:c5fe5100 # [ 69.607068] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 69.614396] r7:c1e0f90c # [ 69.616966] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 69.624132] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 69.631209] r10:00000004 r9:c5c8e000 r8:c15e8da8 r7:00000000 r6:c5c8fdc8 r5:c0c54bfc # [ 69.639056] r4:e7f001f2 # [ 69.641622] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 69.649558] Exception stack(0xc5c8fdc8 to 0xc5c8fe10) # [ 69.654637] fdc0: c15e8db0 ef7c05e0 48e1caee c0c54be8 00000001 c5f38000 # [ 69.662844] fde0: 00000004 c5c8ff60 c15e8da8 c1accda0 00000004 c5c8fe64 c5c8fe68 c5c8fe58 # [ 69.671046] fe00: c0c5467c c0c54bfc a00e0013 ffffffff # [ 69.676124] r7:c5c8fdfc r6:ffffffff r5:a00e0013 r4:c0c54c00 # [ 69.681815] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.689415] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.697453] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.705400] r9:c5c8ff60 r8:c309cf00 r7:00000004 r6:b6dd9000 r5:c5b84a00 r4:c0c54a5c # [ 69.713181] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 69.721041] r9:c07e0568 r8:c5c8ff60 r7:c2815800 r6:b6dd9000 r5:c5b84a00 r4:00000000 # [ 69.728814] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.735978] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5c8e000 r5:c5b84a00 # [ 69.743825] r4:c5b84a00 # [ 69.746390] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.753553] r9:c5c8e000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 # [ 69.761326] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.768915] Exception stack(0xc5c8ffa8 to 0xc5c8fff0) # [ 69.773993] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 # [ 69.782200] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bed0aac4 # [ 69.790400] ffe0: 00000004 bed0a7f8 b6e8ad8f b6e117e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 70.261414] lkdtm: Performing direct entry WARNING # [ 70.267852] ------------[ cut here ]------------ # [ 70.275351] WARNING: CPU: 2 PID: 771 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 70.286597] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 70.318378] CPU: 2 PID: 771 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 70.328784] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.338174] Backtrace: # [ 70.343499] [] (dump[ 70.945846] lkdtm: Performing direct entry WARNING_MESSAGE _backtrace) from [] (sh[ 70.954040] ------------[ cut here ]------------ ow_stack+0x20/0x24) # [ 70.353[ 70.961646] WARNING: CPU: 2 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 921] r7:ffffffff r6:600e0013 r5:[ 70.973587] Warning message trigger count: 2 00000000 r4:c1f0fd78 # [ 70.36[ 70.980718] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 2447] [] (show_stack) f[ 71.012425] CPU: 2 PID: 806 Comm: cat Tainted: G D W 5.10.181-cip34 #1 rom [] (dump_stack+0xe0[ 71.022860] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) /0x100) # [ 70.372620] [] (dump_stack) from [] (dump_backtrace) from [] (show_stack+0x20/0x24) 0>] (__warn+0x98/0x14c) # [ 70[ 71.048030] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 .382439] r9:00000009 r8:c0c54c48[ 71.056573] [] (show_stack) from [] (dump_stack+0xe0/0x100) r7:00000053 r6:00000009 r5:c0c54[ 71.066754] [] (dump_stack) from [] (__warn+0x98/0x14c) c48 r4:c1acd45c # [ 70.393047][ 71.076575] r9:00000009 r8:c0c54c98 r7:00000058 r6:00000009 r5:c0c54c98 r4:c1acd45c [] (__warn) from [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 7bc80>] (warn_slowpath_fmt+0x8c/0[ 71.097540] r7:00000058 r6:c1acd45c r5:c1acd478 r4:c5d7a000 xa8) # [ 70.403387] r7:000000[ 71.106081] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 53 r6:c1acd45c r5:00000000 r4:c61[ 71.117729] r9:c1accdac r8:c15e8da8 r7:c5d7bf60 r6:00000010 r5:c5f7e000 r4:00000003 40000 # [ 70.411912] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 8>] (warn_slowpath_fmt) from [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) c54c48>] (lkdtm_WARNING+0x48/0x4c[ 71.150712] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ) # [ 70.422863] r9:c1accda4 [ 71.161489] r9:c5d7bf60 r8:c309cf00 r7:00000010 r6:b6e6e000 r5:c599d900 r4:c0c54a5c r8:c15e8da8 r7:c6141f60 r6:000000[ 71.172114] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 08 r5:c5f7e000 r4:00000002 # [ [ 71.182804] r9:c07e0568 r8:c5d7bf60 r7:c2815800 r6:b6e6e000 r5:c599d900 r4:00000000 70.433469] [] (lkdtm_W[ 71.193420] [] (vfs_write) from [] (ksys_write+0x74/0xec) ARNING) from [] (lkdtm_[ 71.203424] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5d7a000 r5:c599d900 do_action+0x2c/0x4c) # [ 70.44[ 71.214114] r4:c599d900 4247] [] (lkdtm_do_acti[ 71.219533] [] (ksys_write) from [] (sys_write+0x18/0x1c) on) from [] (direct_ent[ 71.229538] r9:c5d7a000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000010 r4:00000010 ry+0x120/0x18c) # [ 70.455119][ 71.240156] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [] (direct_entry) from[ 71.250579] Exception stack(0xc5d7bfa8 to 0xc5d7bff0) [] (full_proxy_write+0[ 71.258514] bfa0: 00000010 00000010 00000001 b6e6e000 00000010 00000000 x64/0x94) # [ 70.465908] r9:c[ 71.269564] bfc0: 00000010 00000010 b6fb5e00 00000004 00000001 00000000 00020000 bef75ac4 6141f60 r8:c309cf00 r7:00000008 r[ 71.280606] bfe0: 00000004 bef757f8 b6f1fd8f b6ea67e6 6:b6e8d000 r5:c5b70b40 r4:c0c54a5[ 71.288700] irq event stamp: 0 c # [ 70.476519] [] [ 71.294470] hardirqs last enabled at (0): [<00000000>] 0x0 (full_proxy_write) from [] copy_process+0x5f8/0x1944 8>] (vfs_write+0x10c/0x53c) # [ [ 71.313324] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 70.487205] r9:c07e0568 r8:c614[ 71.323689] softirqs last disabled at (0): [<00000000>] 0x0 1f60 r7:c2815800 r6:b6e8d000 r5:c[ 71.332127] ---[ end trace fff92107256d9ef7 ]--- 5b70b40 r4:00000000 # [ 70.497811] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 70.507807] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6140000 r5:c5b70b40 # [ 70.518495] r4:c5b70b40 # [ 70.523895] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 70.533892] r9:c6140000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000008 r4:00000008 # [ 70.544502] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 70.554926] Exception stack(0xc6141fa8 to 0xc6141ff0) # [ 70.562844] 1fa0: 00000008 00000008 00000001 b6e8d000 00000008 00000000 # [ 70.571801] 1fc0: 00000008 00000008 b6fd4e00 00000004 00000001 00000000 00020000 be87cac4 # [ 70.579986] 1fe0: 00000004 be87c7f8 b6f3ed8f b6ec57e6 # [ 70.585094] irq event stamp: 0 # [ 70.588191] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 70.594002] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 70.604386] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 70.614764] softirqs last disabled at (0): [<00000000>] 0x0 # [ 70.620621] ---[ end trace fff92107256d9ef6 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 70.945846] lkdtm: Performing direct entry WARNING_MESSAGE # [ 70.954040] ------------[ cut here ]------------ # [ 70.961646] WARNING: CPU: 2 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 70.973587] Warning message trigger count: 2 # [ 70.980718] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 71.012425] CPU: 2 PID: 806 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 71.022860] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.032257] Backtrace: # [ 71.037605] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 71.048030] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 71.056573] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 71.066754] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 71.076575] r9:00000009 r8:c0c54c98 r7:00000058 r6:00000009 r5:c0c54c98 r4:c1acd45c # [ 71.087194] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 71.097540] r7:00000058 r6:c1acd45c r5:c1acd478 r4:c5d7a000 # [ 71.106081] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 71.117729] r9:c1accdac r8:c15e8da8 r7:c5d7bf60 r6:00000010 r5:c5f7e000 r4:00000003 # [ 71.128349] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.139828] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.150712] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.161489] r9:c5d7bf60 r8:c309cf00 r7:00000010 r6:b6e6e000 r5:c599d900 r4:c0c54a5c # [ 71.172114] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.182804] r9:c07e0568 r8:c5d7bf60 r7:c2815800 r6:b6e6e000 r5:c599d900 r4:00000000 # [ 71.193420] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.203424] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5d7a000 r5:c599d900 # [ 71.214114] r4:c599d900 # [ 71.219533] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.229538] [ 71.663535] lkdtm: Performing direct entry EXCEPTION r9:c5d7a000 r8:c03002e4 r7:00000[ 71.670438] 8<--- cut here --- 004 r6:b6fb5e00 r5:00000010 r4:00[ 71.676333] Unable to handle kernel NULL pointer dereference at virtual address 00000000 000010 # [ 71.240156] [] (sys_write) from [[ 71.692782] [00000000] *pgd=00000000 ] (ret_fast_syscall+0x0/0x28) # [ 71.699239] Internal error: Oops: 805 [#2] SMP ARM [ 71.250579] Exception stack(0x[ 71.706852] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 c5d7bfa8 to 0xc5d7bf[f 0 ) 7 1#.738553] CPU: 3 PID: 838 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 71.2585[1 4 ] 7b1f.7a408:4 59] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000010 0[0 0 071.756818] PC is at lkdtm_EXCEPTION+0x18/0x20 0010 00000001 [b 6 e 67e10.0706 3768] LR is at lkdtm_do_action+0x2c/0x4c 0000010[ 0 0 07010.070700 2 0#4 pc : [] lr : [] psr: a00e0013 [ 71.[2 6 9 57614.]7 7b8f11c70] sp : c67d9e58 ip : c67d9e68 fp : c67d9e64 00000010 [0 0 0 07010.1708 4b9690] r10: 0000000a r9 : c1accdbc r8 : c15e8da8 b5e00 00[0 0 0 07014. 70902000307] r7 : c67d9f60 r6 : 0000000a r5 : c5a93000 r4 : 00000004 01 000000[0 0 07010.28000020909] r3 : 00000000 r2 : 09bc029e r1 : ef7c05e0 r0 : c15e8dc8 bef75ac4 # [[ 7711..288008663] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 06] bfe0: [0 0 0 07010.0841 7b6e04] Control: 10c5387d Table: 1475404a DAC: 00000051 757f8 b6f1fd[8 f b716.e8a26571e3] Process cat (pid: 838, stack limit = 0x0dd28500) 6 # [ 7[1 . 2 87817.0803]2 6i52] Stack: (0xc67d9e58 to 0xc67da000) q event stamp[: 0 7 1#. 8[3 8 32] 9e40: c67d9e74 c67d9e68 71.294470] har[d i r q7s1 .l8a4s919] 9e60: c0c5467c c0c54cac c67d9e9c c67d9e78 c0c54b7c c0c5465c c0c54a5c c5a64780 t enabled at ([0 ) : 7[1<.80509089] 9e80: b6dd3000 0000000a c309cf00 c67d9f60 c67d9ec4 c67d9ea0 c07e05cc c0c54a68 00000>] 0x0 #[ [ 7 17.18.639260] 9ea0: 00000000 c5a64780 b6dd3000 c2815800 c67d9f60 c07e0568 c67d9f5c c67d9ec8 2989] hardirqs[ l a s7t1 .d8i7s9432] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c67d8000 bled at (0): [<[c 0 3 5731d.9808>603] 9ee0: b6dd3000 00020000 00000004 0000000a 0001fff6 c67d9ee0 00000001 b6dd2000 ] copy_proce[s s + 07x15.f889/9703] 9f00: c62443c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 x1944 # [ 71[. 3 1 37312.49]0 772] 9f20: 00000000 00000000 c139d890 09bc029e c205dcc0 c5a64780 c5a64780 c67d8000 softirqs last [e n a b7l1e.d9 1a943] 9f40: b6dd3000 00000000 00000000 00000004 c67d9f94 c67d9f60 c059b1c4 c059ab18 t (0): [ ]7 1c.o9p3y114] 9f60: 00000000 00000000 c67d9fac 09bc029e 0000000a 0000000a b6f1ae00 00000004 _process+0x5f[8 / 0 x7119.4944 0 85] 9f80: c03002e4 c67d8000 c67d9fa4 c67d9f98 c059b254 c059b15c 00000000 c67d9fa8 # [ 71.3236[8 9 ] 7s1o.f9t5i0r70] 9fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6dd3000 0000000a 00000000 qs last disa[b l e d7 1a.t9 6(00455] 9fc0: 0000000a 0000000a b6f1ae00 00000004 00000001 00000000 00020000 bed00ac4 : [<00000000>] [0 x 0 7 1#. 9[7 540] 9fe0: 00000004 bed007f8 b6e84d8f b6e0b7e6 800e0030 00000001 00000000 00000000 71.332127] [- - - [7 1e.n9d8 0t05] Backtrace: race fff92107256d9ef7 [] - - -7 1.985070] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # WARNING_MESSAGE[: s a7w1 .'9m5501] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) essage trigger': ok ok [4 s e72.005591] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ftests: lkdtm: [W A R N7I2N.G0_1M931] r9:c67d9f60 r8:c309cf00 r7:0000000a r6:b6dd3000 r5:c5a64780 r4:c0c54a5c ESSAGE.sh # selftests: lk[d t m 72.025673] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) EXCEPTION.sh [ 72.036010] r9:c07e0568 r8:c67d9f60 r7:c2815800 r6:b6dd3000 r5:c5a64780 r4:00000000 [ 72.045054] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 72.052196] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c67d8000 r5:c5a64780 [ 72.060030] r4:c5a64780 [ 72.062573] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 72.069716] r9:c67d8000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:0000000a r4:0000000a [ 72.077471] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 72.085046] Exception stack(0xc67d9fa8 to 0xc67d9ff0) [ 72.090106] 9fa0: 0000000a 0000000a 00000001 b6dd3000 0000000a 00000000 [ 72.098291] 9fc0: 0000000a 0000000a b6f1ae00 00000004 00000001 00000000 00020000 bed00ac4 [ 72.106474] 9fe0: 00000004 bed007f8 b6e84d8f b6e0b7e6 [ 72.111533] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 72.117681] ---[ end trace fff92107256d9ef8 ]--- # Segmentation fault # [ 71.663535] lkdtm: Performing direct entry EXCEPTION # [ 71.670438] 8<--- cut here --- # [ 71.676333] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 71.687224] pgd = 5e05a1da # [ 71.692782] [00000000] *pgd=00000000 # [ 71.699239] Internal error: Oops: 805 [#2] SMP ARM # [ 71.706852] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 71.738553] CPU: 3 PID: 838 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 71.748459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.756818] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 71.763768] LR is at lkdtm_do_action+0x2c/0x4c # [ 71.770204] pc : [] lr : [] psr: a00e0013 # [ 71.778117] sp : c67d9e58 ip : c67d9e68 fp : c67d9e64 # [ 71.784990] r10: 0000000a r9 : c1accdbc r8 : c15e8da8 # [ 71.792037] r7 : c67d9f60 r6 : 0000000a r5 : c5a93000 r4 : 00000004 # [ 71.800299] r3 : 00000000 r2 : 09bc029e r1 : ef7c05e0 r0 : c15e8dc8 # [ 71.808563] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.817604] Control: 10c5387d Table: 1475404a DAC: 00000051 # [ 71.825173] Process cat (pid: 838, stack limit = 0x0dd28500) # [ 71.832652] Stack: (0xc67d9e58 to 0xc67da000) # [ 71.838832] 9e40: c67d9e74 c67d9e68 # [ 71.848919] 9e60: c0c5467c c0c54cac c67d9e9c c67d9e78 c0c54b7c c0c5465c c0c54a5c c5a64780 # [ 71.859089] 9e80: b6dd3000 0000000a c309cf00 c67d9f60 c67d9ec4 c67d9ea0 c07e05cc c0c54a68 # [ 71.869260] 9ea0: 00000000 c5a64780 b6dd3000 c2815800 c67d9f60 c07e0568 c67d9f5c c67d9ec8 # [ 71.879432] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c67d8000 # [ 71.889603] 9ee0: b6dd3000 00020000 00000004 0000000a 0001fff6 c67d9ee0 00000001 b6dd2000 # [ 71.899773] 9f00: c62443c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.909772] 9f20: 00000000 00000000 c139d890 09bc029e c205dcc0 c5a64780 c5a64780 c67d8000 # [ 71.919943] 9f40: b6dd3000 00000000 00000000 00000004 c67d9f94 c67d9f60 c059b1c4 c059ab18 # [ 71.930114] 9f60: 00000000 00000000 c67d9fac 09bc029e 0000000a 0000000a b6f1ae00 00000004 # [ 71.940285] 9f80: c03002e4 c67d8000 c67d9fa4 c67d9f98 c059b254 c059b15c 00000000 c67d9fa8 # [ 71.950370] 9fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6dd3000 0000000a 00000000 # [ 71.960455] 9fc0: 0000000a 0000000a b6f1ae00 00000004 00000001 00000000 00020000 bed00ac4 # [ 71.970540] 9fe0: 00000004 bed007f8 b6e84d8f b6e0b7e6 800e0030 00000001 00000000 00000000 # [ 71.980705] Backtrace: # [ 71.985070] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.995501] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.005591] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.015931] r9:c67d9f60 r8:c309cf00 r7:0000000a r6:b6dd3000 r5:c5a64780 r4:c0c54a5c # [ 72.025673] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 72.036010] r9:c07e0568 r8:c67d9f60 r7:c2815800 r6:b6dd3000 r5:c5a64780 r4:00000000 # [ 72.045054] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.052196] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c67d8000 r5:c5a64780 # [ 72.060030] r4:c5a64780 # [ 72.062573] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 72.069716] r9:c67d8000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:0000000a r4:0000000a # [ 72.077471] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 72.085046] Exception stack(0xc67d9fa8 to 0xc67d9ff0) # [ 72.090106] 9fa0: 0000000a 0000000a 00000001 b6dd3000 0000000a 00000000 # [ 72.098291] 9fc0: 0000000a 0000000a b6f1ae00 00000004 00000001 00000000 00020000 bed00ac4 # [ 72.106474] 9fe0: 00000004 bed007f8 b6e84d8f b6e0b7e6 # [ 72.111533] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 72.117681] ---[ end trace fff92107256d9ef8 ]--- # 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 [ 73.254165] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 73.259821] lkdtm: attempting good list addition [ 73.264450] lkdtm: attempting corrupted list addition [ 73.269580] lkdtm: list_add() corruption not detected! # [ 73.254165] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 73.259821] lkdtm: attempting good list addition # [ 73.264450] lkdtm: attempting corrupted list addition # [ 73.269580] 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 [ 73.593704] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 73.599466] lkdtm: attempting good list removal [ 73.604038] lkdtm: attempting corrupted list removal [ 73.609075] lkdtm: list_del() corruption not detected! # [ 73.593704] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 73.599466] lkdtm: attempting good list removal # [ 73.604038] lkdtm: attempting corrupted list removal # [ 73.609075] 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 [ 73.935461] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 73.941749] lkdtm: attempting bad read from page below current stack [ 73.948181] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 73.935461] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 73.941749] lkdtm: attempting bad read from page below current stack # [ 73.948181] 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 [ 74.270317] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 74.276783] lkdtm: attempting bad read from page above current stack [ 74.283148] lkdtm: FAIL: accessed page after stack! (byte: 80) # [ 74.270317] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 74.276783] lkdtm: attempting bad read from page above current stack # [ 74.283148] lkdtm: FAIL: accessed page after stack! (byte: 80) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh [ 74.622924] lkdtm: Performing direct entry UNSET_SMEP [ 74.628101] lkdtm: XFAIL: this test is x86_64-only # [ 74.622924] lkdtm: Performing direct entry UNSET_SMEP # [ 74.628101] 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 [ 74.940617] lkdtm: Performing direct entry DOUBLE_FAULT [ 74.946118] lkdtm: XFAIL: this test is ia32-only # [ 74.940617] lkdtm: Performing direct entry DOUBLE_FAULT # [ 74.946118] 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 [ 75.268813] lkdtm: Performing direct entry CORRUPT_PAC [ 75.273971] lkdtm: XFAIL: this test is arm64-only # [ 75.268813] lkdtm: Performing direct entry CORRUPT_PAC # [ 75.273971] 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 [ 75.597371] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 75.603834] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 75.597371] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 75.603834] 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 [ 76.304279] lkdtm: Performing direct entry READ_AFTER_FREE [ 76.309865] lkdtm: Value in memory before free: 12345678 [ 76.315231] lkdtm: Attempting bad read from freed memory [ 76.320585] lkdtm: Memory was not poisoned # [ 76.304279] lkdtm: Performing direct entry READ_AFTER_FREE # [ 76.309865] lkdtm: Value in memory before free: 12345678 # [ 76.315231] lkdtm: Attempting bad read from freed memory # [ 76.320585] 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 [ 76.818038] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 76.824070] lkdtm: Value in memory before free: 12345678 [ 76.829483] lkdtm: Attempting to read from freed memory [ 76.834719] lkdtm: Buddy page was not poisoned # [ 76.818038] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 76.824070] lkdtm: Value in memory before free: 12345678 # [ 76.829483] lkdtm: Attempting to read from freed memory # [ 76.834719] 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 [ 77.142808] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 77.148593] lkdtm: Attempting double slab free ... # [ 77.142808] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 77.148593] 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 [ 77.463661] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 77.469273] lkdtm: Attempting cross-cache slab free ... # [ 77.463661] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 77.469273] 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 [ 77.790025] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 77.795514] lkdtm: Attempting non-Slab slab free ... # [ 77.790025] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 77.795514] 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 [ 78.859600] lkdtm: Performing direct entry EXEC_DATA [ 78.864587] lkdtm: attempting ok execution at c0c553ec [ 78.869853] lkdtm: attempting bad execution at c26f8924 [ 78.875096] 8<--- cut here --- [ 78.878157] Unable to handle kernel paging request at virtual address c26f8924 [ 78.885385] pgd = 5e05a1da [ 78.888098] [c26f8924] *pgd=1261141e(bad) [ 78.892128] Internal error: Oops: 8000000d [#3] SMP ARM [ 78.897361] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 78.926394] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 78.934141] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 78.940682] PC is at data_area+0x0/0x40 [ 78.944533] LR is at execute_location+0xa4/0xb4 [ 78.949070] pc : [] lr : [] psr: 600e0013 [ 78.955342] sp : c633de38 ip : 00000027 fp : c633de54 [ 78.960570] r10: 0000000a r9 : c1accfa0 r8 : c15e8da8 [ 78.965798] r7 : c633df60 r6 : 00000001 r5 : c26f8924 r4 : c0c553ec [ 78.972330] r3 : e187cc5c r2 : e187cc5c r1 : ef7c05e4 r0 : 0000002b [ 78.978863] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 78.986003] Control: 10c5387d Table: 1475404a DAC: 00000051 [ 78.991755] Process cat (pid: 1681, stack limit = 0xd01573fb) [ 78.997506] Stack: (0xc633de38 to 0xc633e000) [ 79.001869] de20: 0000001f c63fa000 [ 79.010054] de40: 0000000a c633df60 c633de64 c633de58 c1388544 c1388340 c633de74 c633de68 [ 79.018238] de60: c0c5467c c138852c c633de9c c633de78 c0c54b7c c0c5465c c0c54a5c c6279680 [ 79.026421] de80: b6ddf000 0000000a c309cf00 c633df60 c633dec4 c633dea0 c07e05cc c0c54a68 [ 79.034605] dea0: 00000000 c6279680 b6ddf000 c2815800 c633df60 c07e0568 c633df5c c633dec8 [ 79.042789] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c44f10e4 c059b1c4 c633c000 [ 79.050974] dee0: b6ddf000 00020000 00000004 0000000a 0001fff6 c633dee0 00000001 00000805 [ 79.059157] df00: c5a99040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 79.067342] df20: 00000000 00000000 c633c000 e187cc5c b6dde000 c6279680 c6279680 c633c000 [ 79.075526] df40: b6ddf000 00000000 00000000 00000004 c633df94 c633df60 c059b1c4 c059ab18 [ 79.083713] df60: 00000000 00000000 c633dfac e187cc5c 0000000a 0000000a b6f26e00 00000004 [ 79.091896] df80: c03002e4 c633c000 c633dfa4 c633df98 c059b254 c059b15c 00000000 c633dfa8 [ 79.100080] dfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 [ 79.108264] dfc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beadaac4 [ 79.116448] dfe0: 00000004 beada7f8 b6e90d8f b6e177e6 800e0030 00000001 00000000 00000000 [ 79.124627] Backtrace: [ 79.127092] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 79.135278] r7:c633df60 r6:0000000a r5:c63fa000 r4:0000001f [ 79.140950] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 79.149050] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 79.157068] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.164994] r9:c633df60 r8:c309cf00 r7:0000000a r6:b6ddf000 r5:c6279680 r4:c0c54a5c [ 79.172751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 79.180589] r9:c07e0568 r8:c633df60 r7:c2815800 r6:b6ddf000 r5:c6279680 r4:00000000 [ 79.188341] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 79.195484] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c633c000 r5:c6279680 [ 79.203316] r4:c6279680 [ 79.205859] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 79.213002] r9:c633c000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000000a r4:0000000a [ 79.220756] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 79.228329] Exception stack(0xc633dfa8 to 0xc633dff0) [ 79.233389] dfa0: 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 [ 79.241573] dfc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beadaac4 [ 79.249756] dfe0: 00000004 beada7f8 b6e90d8f b6e177e6 [ 79.254815] Code: 00000000 c2c066c0 c2c06780 c2c06840 (e1a0c00d) [ 79.260919] ---[ end trace fff92107256d9ef9 ]--- # Segmentation fault # [ 78.859600] lkdtm: Performing direct entry EXEC_DATA # [ 78.864587] lkdtm: attempting ok execution at c0c553ec # [ 78.869853] lkdtm: attempting bad execution at c26f8924 # [ 78.875096] 8<--- cut here --- # [ 78.878157] Unable to handle kernel paging request at virtual address c26f8924 # [ 78.885385] pgd = 5e05a1da # [ 78.888098] [c26f8924] *pgd=1261141e(bad) # [ 78.892128] Internal error: Oops: 8000000d [#3] SMP ARM # [ 78.897361] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 78.926394] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 78.934141] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.940682] PC is at data_area+0x0/0x40 # [ 78.944533] LR is at execute_location+0xa4/0xb4 # [ 78.949070] pc : [] lr : [] psr: 600e0013 # [ 78.955342] sp : c633de38 ip : 00000027 fp : c633de54 # [ 78.960570] r10: 0000000a r9 : c1accfa0 r8 : c15e8da8 # [ 78.965798] r7 : c633df60 r6 : 00000001 r5 : c26f8924 r4 : c0c553ec # [ 78.972330] r3 : e187cc5c r2 : e187cc5c r1 : ef7c05e4 r0 : 0000002b # [ 78.978863] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.986003] Control: 10c5387d Table: 1475404a DAC: 00000051 # [ 78.991755] Process cat (pid: 1681, stack limit = 0xd01573fb) # [ 78.997506] Stack: (0xc633de38 to 0xc633e000) # [ 79.001869] de20: 0000001f c63fa000 # [ 79.010054] de40: 0000000a c633df60 c633de64 c633de58 c1388544 c1388340 c633de74 c633de68 # [ 79.018238] de60: c0c5467c c138852c c633de9c c633de78 c0c54b7c c0c5465c c0c54a5c c6279680 # [ 79.026421] de80: b6ddf000 0000000a c309cf00 c633df60 c633dec4 c633dea0 c07e05cc c0c54a68 # [ 79.034605] dea0: 00000000 c6279680 b6ddf000 c2815800 c633df60 c07e0568 c633df5c c633dec8 # [ 79.042789] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c44f10e4 c059b1c4 c633c000 # [ 79.050974] dee0: b6ddf000 00020000 00000004 0000000a 0001fff6 c633dee0 00000001 00000805 # [ 79.059157] df00: c5a99040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.067342] df20: 00000000 00000000 c633c000 e187cc5c b6dde000 c6279680 c6279680 c633c000 # [ 79.075526] df40: b6ddf000 00000000 00000000 00000004 c633df94 c633df60 c059b1c4 c059ab18 # [ 79.083713] df60: 00000000 00000000 c633dfac e187cc5c 0000000a 0000000a b6f26e00 00000004 # [ 79.091896] df80: c03002e4 c633c000 c633dfa4 c633df98 c059b254 c059b15c 00000000 c633dfa8 # [ 79.100080] dfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 # [ 79.108264] dfc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beadaac4 # [ 79.116448] dfe0: 00000004 beada7f8 b6e90d8f b6e177e6 800e0030 00000001 00000000 00000000 # [ 79.124627] Backtrace: # [ 79.127092] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 79.135278] r7:c633df60 r6:0000000a r5:c63fa000 r4:0000001f # [ 79.140950] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.149050] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.157068] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.164994] r9:c633df60 r8:c309cf00 r7:0000000a r6:b6ddf000 r5:c6279680 r4:c0c54a5c # [ 79.172751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.180589] r9:c07e0[ 79.699163] lkdtm: Performing direct entry EXEC_STACK 568 r8:c633df60 r7:c2815800 r6:b6[ 79.705169] lkdtm: attempting ok execution at c0c553ec ddf000 r5:c6279680 r4:00000000 #[ 79.713160] lkdtm: attempting bad execution at c67b5e0c [ 79.188341] [] (vfs[ 79.721360] 8<--- cut here --- [ 79.727172] Unable to handle kernel paging request at virtual address c67b5e0c [ 79.734421] pgd = 21bd31c6 [ 79.737152] [c67b5e0c] *pgd=1661141e(bad) [ 79.741217] Internal error: Oops: 8000000d [#4] SMP ARM [ 79.746465] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 79.775758] CPU: 0 PID: 1757 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 79.783524] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 79.790081] PC is at 0xc67b5e0c [ 79.793265] LR is at execute_location+0xa4/0xb4 [ 79.797823] pc : [] lr : [] psr: 600e0013 [ 79.804110] sp : c67b5de8 ip : c67b5cf0 fp : c67b5e04 [ 79.809354] r10: 0000000b r9 : c1accfac r8 : c15e8da8 [ 79.814600] r7 : c67b5f60 r6 : 00000001 r5 : c67b5e0c r4 : c0c553ec [ 79.821149] r3 : 8830aa69 r2 : 8830aa69 r1 : ef7815e0 r0 : 0000002b [ 79.827703] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 79.834860] Control: 10c5387d Table: 160f004a DAC: 00000051 [ 79.840631] Process cat (pid: 1757, stack limit = 0x6d31618e) [ 79.846402] Stack: (0xc67b5de8 to 0xc67b6000) [ 79.850789] 5de0: c67b4000 c5ce4000 0000000b c67b5f60 c67b5e64 c67b5e08 [ 79.858997] 5e00: c1388580 c1388340 c67b5e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 79.867204] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 [ 79.875410] 5e40: e3a02040 e3a01d33 e5930018 8830aa69 0000000b 00000020 c67b5e74 c67b5e68 [ 79.883616] 5e60: c0c5467c c1388554 c67b5e9c c67b5e78 c0c54b7c c0c5465c c0c54a5c c62d2f00 [ 79.891822] 5e80: b6e19000 0000000b c309cf00 c67b5f60 c67b5ec4 c67b5ea0 c07e05cc c0c54a68 [ 79.900029] 5ea0: 00000000 c62d2f00 b6e19000 c2815800 c67b5f60 c07e0568 c67b5f5c c67b5ec8 [ 79.908235] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c67b4000 [ 79.916441] 5ee0: b6e19000 00020000 00000004 0000000b 0001fff5 c67b5ee0 00000001 b6e18000 [ 79.924646] 5f00: c5b02780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 79.932853] 5f20: 00000000 00000000 c139d890 8830aa69 c205dcc0 c62d2f00 c62d2f00 c67b4000 [ 79.941059] 5f40: b6e19000 00000000 00000000 00000004 c67b5f94 c67b5f60 c059b1c4 c059ab18 [ 79.949264] 5f60: 00000000 00000000 c67b5fac 8830aa69 0000000b 0000000b b6f60e00 00000004 [ 79.957471] 5f80: c03002e4 c67b4000 c67b5fa4 c67b5f98 c059b254 c059b15c 00000000 c67b5fa8 [ 79.965677] 5fa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 [ 79.973883] 5fc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed98ac4 [ 79.982090] 5fe0: 00000004 bed987f8 b6ecad8f b6e517e6 800e0030 00000001 00000000 00000000 [ 79.990284] Backtrace: [ 79.992788] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 80.001082] r7:c67b5f60 r6:0000000b r5:c5ce4000 r4:c67b4000 [ 80.006781] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 80.014979] r4:00000020 [ 80.017549] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 80.025597] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.033547] r9:c67b5f60 r8:c309cf00 r7:0000000b r6:b6e19000 r5:c62d2f00 r4:c0c54a5c [ 80.041332] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 80.049191] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e19000 r5:c62d2f00 r4:00000000 [ 80.056965] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.064129] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c67b4000 r5:c62d2f00 [ 80.071977] r4:c62d2f00 [ 80.074542] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.081707] r9:c67b4000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:0000000b r4:0000000b [ 80.089485] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.097074] Exception stack(0xc67b5fa8 to 0xc67b5ff0) [ 80.102152] 5fa0: 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 [ 80.110357] 5fc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed98ac4 [ 80.118557] 5fe0: 00000004 bed987f8 b6ecad8f b6e517e6 [ 80.123639] Code: c67b5e08 c1388580 c1388340 c67b5e6c (e1a0c00d) [ 80.129765] ---[ end trace fff92107256d9efa ]--- _write) from [] (ksys_write+0x74/0xec) # [ 79.195484] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c633c000 r5:c6279680 # [ 79.203316] r4:c6279680 # [ 79.205859] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.213002] r9:c633c000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000000a r4:0000000a # [ 79.220756] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.228329] Exception stack(0xc633dfa8 to 0xc633dff0) # [ 79.233389] dfa0: 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 # [ 79.241573] dfc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beadaac4 # [ 79.249756] dfe0: 00000004 beada7f8 b6e90d8f b6e177e6 # [ 79.254815] Code: 00000000 c2c066c0 c2c06780 c2c06840 (e1a0c00d) # [ 79.260919] ---[ end trace fff92107256d9ef9 ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 79.699163] lkdtm: Performing direct entry EXEC_STACK # [ 79.705169] lkdtm: attempting ok execution at c0c553ec # [ 79.713160] lkdtm: attempting bad execution at c67b5e0c # [ 79.721360] 8<--- cut here --- # [ 79.727172] Unable to handle kernel paging request at virtual address c67b5e0c # [ 79.734421] pgd = 21bd31c6 # [ 79.737152] [c67b5e0c] *pgd=1661141e(bad) # [ 79.741217] Internal error: Oops: 8000000d [#4] SMP ARM # [ 79.746465] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 79.775758] CPU: 0 PID: 1757 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 79.783524] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.790081] PC is at 0xc67b5e0c # [ 79.793265] LR is at execute_location+0xa4/0xb4 # [ 79.797823] pc : [] lr : [] psr: 600e0013 # [ 79.804110] sp : c67b5de8 ip : c67b5cf0 fp : c67b5e04 # [ 79.809354] r10: 0000000b r9 : c1accfac r8 : c15e8da8 # [ 79.814600] r7 : c67b5f60 r6 : 00000001 r5 : c67b5e0c r4 : c0c553ec # [ 79.821149] r3 : 8830aa69 r2 : 8830aa69 r1 : ef7815e0 r0 : 0000002b # [ 79.827703] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.834860] Control: 10c5387d Table: 160f004a DAC: 00000051 # [ 79.840631] Process cat (pid: 1757, stack limit = 0x6d31618e) # [ 79.846402] Stack: (0xc67b5de8 to 0xc67b6000) # [ 79.850789] 5de0: c67b4000 c5ce4000 0000000b c67b5f60 c67b5e64 c67b5e08 # [ 79.858997] 5e00: c1388580 c1388340 c67b5e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 79.867204] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 79.875410] 5e40: e3a02040 e3a01d33 e5930018 8830aa69 0000000b 00000020 c67b5e74 c67b5e68 # [ 79.883616] 5e60: c0c5467c c1388554 c67b5e9c c67b5e78 c0c54b7c c0c5465c c0c54a5c c62d2f00 # [ 79.891822] 5e80: b6e19000 0000000b c309cf00 c67b5f60 c67b5ec4 c67b5ea0 c07e05cc c0c54a68 # [ 79.900029] 5ea0: 00000000 c62d2f00 b6e19000 c2815800 c67b5f60 c07e0568 c67b5f5c c67b5ec8 # [ 79.908235] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c67b4000 # [ 79.916441] 5ee0: b6e19000 00020000 00000004 0000000b 0001fff5 c67b5ee0 00000001 b6e18000 # [ 79.924646] 5f00: c5b02780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.932853] 5f20: 00000000 00000000 c139d890 8830aa69 c205dcc0 c62d2f00 c62d2f00 c67b4000 # [ 79.941059] 5f40: b6e19000 00000000 00000000 00000004 c67b5f94 c67b5f60 c059b1c4 c059ab18 # [ 79.949264] 5f60: 00000000 00000000 c67b5fac 8830aa69 0000000b 0000000b b6f60e00 00000004 # [ 79.957471] 5f80: c03002e4 c67b4000 c67b5fa4 c67b5f98 c059b254 c059b15c 00000000 c67b5fa8 # [ 79.965677] 5fa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 # [ 79.973883] 5fc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed98ac4 # [ 79.982090] 5fe0: 00000004 bed987f8 b6ecad8f b6e517e6 800e0030 00000001 00000000 00000000 # [ 79.990284] Backtrace: # [ 79.992788] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 80.001082] r7:c67b5f60 r6:0000000b r5:c5ce4000 r4:c67b4000 # [ 80.006781] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.014979] r4:00000020 #[ 80.592072] lkdtm: Performing direct entry EXEC_KMALLOC [ 80.017549] [] (lkd[ 80.597680] lkdtm: attempting ok execution at c0c553ec tm_do_action) from [] ([ 80.605588] lkdtm: attempting bad execution at c62dcbc0 direct_entry+0x120/0x[1 8 c )8 0 613621] 8<--- cut here --- # [ 80.025597] [ ]0.618935] Unable to handle kernel paging request at virtual address c62dcbc0 (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.633812] [c62dcbc0] *pgd=1621141e(bad) # [ 80.033547] r9:c67b5f60 r8[ 80.640691] Internal error: Oops: 8000000d [#5] SMP ARM :c309cf00 r7:0000000b r6:b6e19000[ 80.648773] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 r5:c62d2f00 r4:c0c54a5c # [ 8[ 80.680484] CPU: 2 PID: 1836 Comm: cat Tainted: G D W 5.10.181-cip34 #1 0.041332] [] (fu[l l _ 80.691077] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) roxy_write) from [] (vf 80.700126] PC is at 0xc62dcbc0 s_write+0x10c/0x53c) # [ 80.04[ 80.706057] LR is at execute_location+0xa4/0xb4 9191] r9:c07e0568 r8:c67b5f60[ 80.713433] pc : [] lr : [] psr: 600e0013 7:c2815800 r6:b6e19000[ r 5 :8c0.722385] sp : c6085e30 ip : 00000027 fp : c6085e4c 2d2f00 r4:00000000 # [ [8 0 . 80.729956] r10: 0000000d r9 : c1accfb8 r8 : c15e8da8 56965] [] (vfs[_ w r i80.737696] r7 : c6085f60 r6 : 00000001 r5 : c62dcbc0 r4 : c0c553ec e) from [] (ksy[s _ w r0.746655] r3 : 9c2e753b r2 : 9c2e753b r1 : ef7ab5e4 r0 : 0000002b ite+0x74/0xec) # [ 80.064129[] 80.755615] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r10:00000004 r9:00000000 r8[: 0 80.765437] Control: 10c5387d Table: 160d804a DAC: 00000051 0000000 r7:b6e19000 r6:c67b4[0 0 80.773785] Process cat (pid: 1836, stack limit = 0xe8978cae) r5:c62d2f00 # [ 80.0[7 1 9 780.782132] Stack: (0xc6085e30 to 0xc6086000) ] r4:c62d2f00 # [ 80.074542] [ 80.788926] 5e20: c62dcbc0 c5f5c000 0000000d c6085f60 [] (ksys_write) from [<[ 80.799967] 5e40: c6085e64 c6085e50 c0c5543c c1388340 00000021 c5f5c000 c6085e74 c6085e68 c059b254>] (sys_write+0x18/0x1c) [ 80.811005] 5e60: c0c5467c c0c55410 c6085e9c c6085e78 c0c54b7c c0c5465c c0c54a5c c2fb4f00 # [ 80.081707] r9:c67b4000 r8[ 80.822044] 5e80: b6e8d000 0000000d c309cf00 c6085f60 c6085ec4 c6085ea0 c07e05cc c0c54a68 :c03002e4 r7:00000004 r6:b6f60e00[ 80.833085] 5ea0: 00000000 c2fb4f00 b6e8d000 c2815800 c6085f60 c07e0568 c6085f5c c6085ec8 r5:0000000b r4:0000000b # [ 8[ 80.844124] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c6084000 0.089485] [] (sys_write[ 80.855164] 5ee0: b6e8d000 00020000 00000004 0000000d 0001fff3 c6085ee0 00000001 b6e8c000 ) from [] (ret_fast_sys[ 80.866204] 5f00: c62d2280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 call+0x0/0x28) # [ 80.097074] [ 80.877244] 5f20: 00000000 00000000 c139d890 9c2e753b c205dcc0 c2fb4f00 c2fb4f00 c6084000 Exception stack(0xc67b5fa8 to 0xc[ 80.888285] 5f40: b6e8d000 00000000 00000000 00000004 c6085f94 c6085f60 c059b1c4 c059ab18 67b5ff0) # [ 80.102152] 5fa0: [ 80.899323] 5f60: 00000000 00000000 c6085fac 9c2e753b 0000000d 0000000d b6fd4e00 00000004 0000000b 000000[ 80.910363] 5f80: c03002e4 c6084000 c6085fa4 c6085f98 c059b254 c059b15c 00000000 c6085fa8 0b 00000001 b6e19000 0000000b 000[ 80.921400] 5fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e8d000 0000000d 00000000 00000 # [ 80.110357] 5fc0: 000[ 80.932441] 5fc0: 0000000d 0000000d b6fd4e00 00000004 00000001 00000000 00020000 bef96ac4 0000b 0000000b b6f60e00 00000004 [ 80.943479] 5fe0: 00000004 bef967f8 b6f3ed8f b6ec57e6 800e0030 00000001 00000000 00000000 00000001 00000000 00020000 bed98a[ 80.954507] Backtrace: c4 # [ 80.118557] 5fe0: 000000[ 80.959846] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 04 bed987f8 b6ecad8f b6e517e6 # [ 80.971131] r7:c6085f60 r6:0000000d r5:c5f5c000 r4:c62dcbc0 [ 80.123639] Code: c67b5e08 c13[ 80.979656] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 88580 c1388340 c67b5e6c (e1a0[c 0 80.990858] r5:c5f5c000 r4:00000021 0d) # [ 80.129765] ---[ end t[ 80.997045] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) race fff92107256d9efa ]--- # EXE[ 81.007922] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) C_STACK: missing 'call trace:': [[ 81.018691] r9:c6085f60 r8:c309cf00 r7:0000000d r6:b6e8d000 r5:c2fb4f00 r4:c0c54a5c FAIL] not ok 31 selftests: lkdtm[ 81.029309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) : EXEC_STACK.sh # exit=1 # selft[ 81.039991] r9:c07e0568 r8:c6085f60 r7:c2815800 r6:b6e8d000 r5:c2fb4f00 r4:00000000 ests: lkdtm: EXEC_KMALLOC.sh [ 81.050600] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 81.060333] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6084000 r5:c2fb4f00 [ 81.068181] r4:c2fb4f00 [ 81.070749] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 81.077914] r9:c6084000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:0000000d r4:0000000d [ 81.085691] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 81.093282] Exception stack(0xc6085fa8 to 0xc6085ff0) [ 81.098362] 5fa0: 0000000d 0000000d 00000001 b6e8d000 0000000d 00000000 [ 81.106569] 5fc0: 0000000d 0000000d b6fd4e00 00000004 00000001 00000000 00020000 bef96ac4 [ 81.114769] 5fe0: 00000004 bef967f8 b6f3ed8f b6ec57e6 [ 81.119853] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) [ 81.125979] ---[ end trace fff92107256d9efb ]--- # Segmentation fault # [ 80.592072] lkdtm: Performing direct entry EXEC_KMALLOC # [ 80.597680] lkdtm: attempting ok execution at c0c553ec # [ 80.605588] lkdtm: attempting bad execution at c62dcbc0 # [ 80.613621] 8<--- cut here --- # [ 80.618935] Unable to handle kernel paging request at virtual address c62dcbc0 # [ 80.628589] pgd = a66304bc # [ 80.633812] [c62dcbc0] *pgd=1621141e(bad) # [ 80.640691] Internal error: Oops: 8000000d [#5] SMP ARM # [ 80.648773] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 80.680484] CPU: 2 PID: 1836 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 80.691077] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.700126] PC is at 0xc62dcbc0 # [ 80.706057] LR is at execute_location+0xa4/0xb4 # [ 80.713433] pc : [] lr : [] psr: 600e0013 # [ 80.722385] sp : c6085e30 ip : 00000027 fp : c6085e4c # [ 80.729956] r10: 0000000d r9 : c1accfb8 r8 : c15e8da8 # [ 80.737696] r7 : c6085f60 r6 : 00000001 r5 : c62dcbc0 r4 : c0c553ec # [ 80.746655] r3 : 9c2e753b r2 : 9c2e753b r1 : ef7ab5e4 r0 : 0000002b # [ 80.755615] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.765437] Control: 10c5387d Table: 160d804a DAC: 00000051 # [ 80.773785] Process cat (pid: 1836, stack limit = 0xe8978cae) # [ 80.782132] Stack: (0xc6085e30 to 0xc6086000) # [ 80.788926] 5e20: c62dcbc0 c5f5c000 0000000d c6085f60 # [ 80.799967] 5e40: c6085e64 c6085e50 c0c5543c c1388340 00000021 c5f5c000 c6085e74 c6085e68 # [ 80.811005] 5e60: c0c5467c c0c55410 c6085e9c c6085e78 c0c54b7c c0c5465c c0c54a5c c2fb4f00 # [ 80.822044] 5e80: b6e8d000 0000000d c309cf00 c6085f60 c6085ec4 c6085ea0 c07e05cc c0c54a68 # [ 80.833085] 5ea0: 00000000 c2fb4f00 b6e8d000 c2815800 c6085f60 c07e0568 c6085f5c c6085ec8 # [ 80.844124] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c6084000 # [ 80.855164] 5ee0: b6e8d000 00020000 00000004 0000000d 0001fff3 c6085ee0 00000001 b6e8c000 # [ 80.866204] 5f00: c62d2280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.877244] 5f20: 00000000 00000000 c139d890 9c2e753b c205dcc0 c2fb4f00 c2fb4f00 c6084000 # [ 80.888285] 5f40: b6e8d000 00000000 00000000 00000004 c6085f94 c6085f60 c059b1c4 c059ab18 # [ 80.899323] 5f60: 00000000 00000000 c6085fac 9c2e753b 0000000d 0000000d b6fd4e00 00000004 # [ 80.910363] 5f80: c03002e4 c6084000 c6085fa4 c6085f98 c059b254 c059b15c 00000000 c6085fa8 # [ 80.921400] 5fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e8d000 0000000d 00000000 # [ 80.932441] 5fc0: 0000000d 0000000d b6fd4e00 00000004 00000001 00000000 00020000 bef96ac4 # [ 80.943479] 5fe0: 00000004 bef967f8 b6f3ed8f b6ec57e6 800e0030 00000001 00000000 00000000 # [ 80.954507] Backtrace: # [ 80.959846] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 80.971131] r7:c6085f60 r6:0000000d r5:c5f5c000 r4:c62dcbc0 # [ 80.979656] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.990858] r5:c5f5c000 r4:00000021 # [ 80.997045] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.007922] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.018691] r9:c6085f60 r8:c309cf00 r7:0000000d r6:b6e8d000 r5:c2fb4f00 r4:c0c54a5c # [ 8[ 81.566643] lkdtm: Performing direct entry EXEC_VMALLOC 1.029309] [] (full_prox[ 81.573815] lkdtm: attempting ok execution at c0c553ec y_write) from [] (vfs_w[ 81.581971] lkdtm: attempting bad execution at f0972000 rite+0x10c/0x53c) # [ 81.03999[ 81.589952] 8<--- cut here --- 1] r9:c07e0568 r8:c6085f60 r7:c2[ 81.595900] Unable to handle kernel paging request at virtual address f0972000 815800 r6:b6e8d000 r5:c2fb4f00 r4[ 81.605970] pgd = 88e20cec :00000000 # [ 81.050600] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ [ 81.628711] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 81.060333] r10:[0 0 0 08010.0660414] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.181-cip34 #1 r9:0000[0 0 0 08 1r.86:700030200] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000 r7:b6e8d000 r6:c[6 0 8 48010.678590] PC is at 0xf0972000 r5:c2fb4f00 # [ 81.06818[1 ] 81.683992] LR is at execute_location+0xa4/0xb4 r4:c2fb4[f 0 0 8 1#. 6[9 1 1 18] pc : [] lr : [] psr: 600e0013 1.070749[] [ <8c10.5699b9111550 sp : c64f7e30 ip : c64f7d38 fp : c64f7e4c >] (ksys_[w r i t8e1). 7f0r5o9m8 ] r10: 0000000d r9 : c1accfc8 r8 : c15e8da8 [ ] (8s1y.s7_1w2r9i48] r7 : c64f7f60 r6 : 00000001 r5 : f0972000 r4 : c0c553ec e+0x18/0x[1 c ) 8 1#. 7[2 1 29 6] r3 : e1c2647a r2 : e1c2647a r1 : ef7ab5e0 r0 : 0000002b 1.077914] r[9 : c 68018.4702090560] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r8:c03002e[4 r 78:10.07030806003] Control: 10c5387d Table: 1633c04a DAC: 00000051 4 r6:b6fd4e00[ r 5 :810.0704060171] Process cat (pid: 1913, stack limit = 0x99bd5ed9) 0d r4:00000[0 0 d 8 1#. 7[5 3 8 4] Stack: (0xc64f7e30 to 0xc64f8000) 81.085691] [7]6 005] 7e20: f0972000 c5f5c000 0000000d c64f7f60 (sys_write) fr[o m [8<1c.073700177] 7e40: c64f7e64 c64f7e50 c0c55470 c1388340 00000022 c5f5c000 c64f7e74 c64f7e68 0c0>] (ret_fas[t _ s y8s1c.7a8l0l47] 7e60: c0c5467c c0c55454 c64f7e9c c64f7e78 c0c54b7c c0c5465c c0c54a5c c5a98b40 +0x0/0x28) # [[ 8811..70990433] 7e80: b6e09000 0000000d c309cf00 c64f7f60 c64f7ec4 c64f7ea0 c07e05cc c0c54a68 282] Exception[ s t a8c1k.(800x0603] 7ea0: 00000000 c5a98b40 b6e09000 c2815800 c64f7f60 c07e0568 c64f7f5c c64f7ec8 6085fa8 to 0xc6[0 8 5 f8f10.)8 1 776] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c64f6000 # [ 81.098362][ 5 f a801.:8 2 947] 7ee0: b6e09000 00020000 00000004 0000000d 0001fff3 c64f7ee0 00000001 b6e08000 [ 8010.080301018] 7f00: c6334780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0d 0000000d 0000[0 0 0 18 1b.68e41204] 7f20: 00000000 00000000 c139d890 e1c2647a c205dcc0 c5a98b40 c5a98b40 c64f6000 d000 0000000d [0 0 0 08010.0805 1461] 7f40: b6e09000 00000000 00000000 00000004 c64f7f94 c64f7f60 c059b1c4 c059ab18 # [ 81.10656[9 ] 58f1c.08:6 1634] 7f60: 00000000 00000000 c64f7fac e1c2647a 0000000d 0000000d b6f50e00 00000004 000000d 0000[0 0 0 d8 1b.68f7d14802] 7f80: c03002e4 c64f6000 c64f7fa4 c64f7f98 c059b254 c059b15c 00000000 c64f7fa8 00 00000004 0[0 0 0 08010.18 801088] 7fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e09000 0000000d 00000000 000000 0002000[0 b e8f19.68a9c1974] 7fc0: 0000000d 0000000d b6f50e00 00000004 00000001 00000000 00020000 beb60ac4 # [ 81.11476[9 ] 58f1e.09:02145] 7fe0: 00000004 beb607f8 b6ebad8f b6e417e6 800e0030 00000001 00000000 00000000 00000004 be[f 9 6 78f18. 9b162f337] Backtrace: ed8f b6ec57e6 # [ 81.11985[3 ] 81.916679] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) Code: 000000[0 0 08010.090207009] r7:c64f7f60 r6:0000000d r5:c5f5c000 r4:f0972000 0 00000000 000000[0 0 (8e11.a905278] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) c00d) [# [ 8 1 .8914.5172055] r5:c5f5c000 r4:00000022 79] ---[ end trace [f f f 98211.051022] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 7256d9efb ]--- # EXEC_KMA[L L O 81.961197] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) : missing 'cal[l t r8a1c.e9:7'1622] r9:c64f7f60 r8:c309cf00 r7:0000000d r6:b6e09000 r5:c5a98b40 r4:c0c54a5c [FAIL] not ok 32 selft[e s t s81.981367] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) lkdtm: EXEC_[K M A L8L1O.C9.9s1h18] r9:c07e0568 r8:c64f7f60 r7:c2815800 r6:b6e09000 r5:c5a98b40 r4:00000000 # exit=1 # self[t e s t8s2:. 0l1273] [] (vfs_write) from [] (ksys_write+0x74/0xec) kdtm: EXEC_VM[A L L O8C2..s0h1 0 88] r10:00000004 r9:00000000 r8:00000000 r7:b6e09000 r6:c64f6000 r5:c5a98b40 [ 82.020220] r4:c5a98b40 [ 82.022765] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.029909] r9:c64f6000 r8:c03002e4 r7:00000004 r6:b6f50e00 r5:0000000d r4:0000000d [ 82.037662] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.045235] Exception stack(0xc64f7fa8 to 0xc64f7ff0) [ 82.050295] 7fa0: 0000000d 0000000d 00000001 b6e09000 0000000d 00000000 [ 82.058482] 7fc0: 0000000d 0000000d b6f50e00 00000004 00000001 00000000 00020000 beb60ac4 [ 82.066665] 7fe0: 00000004 beb607f8 b6ebad8f b6e417e6 [ 82.071729] Code: bad PC value [ 82.074866] ---[ end trace fff92107256d9efc ]--- # Segmentation fault # [ 81.566643] lkdtm: Performing direct entry EXEC_VMALLOC # [ 81.573815] lkdtm: attempting ok execution at c0c553ec # [ 81.581971] lkdtm: attempting bad execution at f0972000 # [ 81.589952] 8<--- cut here --- # [ 81.595900] Unable to handle kernel paging request at virtual address f0972000 # [ 81.605970] pgd = 88e20cec # [ 81.611492] [f0972000] *pgd=12949811, *pte=4932965f, *ppte=4932945f # [ 81.620675] Internal error: Oops: 8000000f [#6] SMP ARM # [ 81.628711] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 81.660414] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 81.670320] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.678590] PC is at 0xf0972000 # [ 81.683992] LR is at execute_location+0xa4/0xb4 # [ 81.691114] pc : [] lr : [] psr: 600e0013 # [ 81.699115] sp : c64f7e30 ip : c64f7d38 fp : c64f7e4c # [ 81.705989] r10: 0000000d r9 : c1accfc8 r8 : c15e8da8 # [ 81.712948] r7 : c64f7f60 r6 : 00000001 r5 : f0972000 r4 : c0c553ec # [ 81.721296] r3 : e1c2647a r2 : e1c2647a r1 : ef7ab5e0 r0 : 0000002b # [ 81.729560] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.738603] Control: 10c5387d Table: 1633c04a DAC: 00000051 # [ 81.746171] Process cat (pid: 1913, stack limit = 0x99bd5ed9) # [ 81.753824] Stack: (0xc64f7e30 to 0xc64f8000) # [ 81.760005] 7e20: f0972000 c5f5c000 0000000d c64f7f60 # [ 81.770177] 7e40: c64f7e64 c64f7e50 c0c55470 c1388340 00000022 c5f5c000 c64f7e74 c64f7e68 # [ 81.780347] 7e60: c0c5467c c0c55454 c64f7e9c c64f7e78 c0c54b7c c0c5465c c0c54a5c c5a98b40 # [ 81.790433] 7e80: b6e09000 0000000d c309cf00 c64f7f60 c64f7ec4 c64f7ea0 c07e05cc c0c54a68 # [ 81.800603] 7ea0: 00000000 c5a98b40 b6e09000 c2815800 c64f7f60 c07e0568 c64f7f5c c64f7ec8 # [ 81.810776] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c64f6000 # [ 81.820947] 7ee0: b6e09000 00020000 00000004 0000000d 0001fff3 c64f7ee0 00000001 b6e08000 # [ 81.831118] 7f00: c6334780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.841204] 7f20: 00000000 00000000 c139d890 e1c2647a c205dcc0 c5a98b40 c5a98b40 c64f6000 # [ 81.851461] 7f40: b6e09000 00000000 00000000 00000004 c64f7f94 c64f7f60 c059b1c4 c059ab18 # [ 81.861634] 7f60: 00000000 00000000 c64f7fac e1c2647a 0000000d 0000000d b6f50e00 00000004 # [ 81.871802] 7f80: c03002e4 c64f6000 c64f7fa4 c64f7f98 c059b254 c059b15c 00000000 c64f7fa8 # [ 81.881888] 7fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e09000 0000000d 00000000 # [ 81.891974] 7fc0: 0000000d 0000000d b6f50e00 00000004 00000001 00000000 00020000 beb60ac4 # [ 81.902145] 7fe0: 00000004 beb607f8 b6ebad8f b6e417e6 800e0030 00000001 00000000 00000000 # [ 81.912397] Backtrace: # [ 81.916679] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 81.927709] r7:c64f7f60 r6:0000000d r5:c5f5c000 r4:f0972000 # [ 81.935278] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.945705] r5:c5f5c000 r4:00000022 # [ 81.951022] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.961197] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.971622] r9:c64f7f60 r8:c309cf00 r7:0000000d r6:b6e09000 r5:c5a98b40 r4:c0c54a5c[ 82.542106] lkdtm: Performing direct entry EXEC_RODATA # [ 81.981367] [] ([ 82.549312] lkdtm: attempting ok execution at c0c553ec full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ [ 82.565502] 8<--- cut here --- [ 82.571346] Unable to handle kernel paging request at virtual address c15e9044 [ 82.578596] pgd = 8668116b [ 82.581329] [c15e9044] *pgd=1141941e(bad) [ 82.585400] Internal error: Oops: 8000000d [#7] SMP ARM [ 82.590649] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 82.619945] CPU: 0 PID: 1990 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 82.627710] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 82.634278] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [ 82.639370] LR is at execute_location+0xa4/0xb4 [ 82.643924] pc : [] lr : [] psr: 600e0013 [ 82.650213] sp : c62efe38 ip : c62efd40 fp : c62efe54 [ 82.655457] r10: 0000000c r9 : c1accfd8 r8 : c15e8da8 [ 82.660703] r7 : c62eff60 r6 : 00000000 r5 : c15e9044 r4 : c0c553ec [ 82.667252] r3 : fd2de737 r2 : fd2de737 r1 : ef7815e0 r0 : 0000002b [ 82.673807] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 82.680964] Control: 10c5387d Table: 1645c04a DAC: 00000051 [ 82.686732] Process cat (pid: 1990, stack limit = 0xd49e0bc8) [ 82.692502] Stack: (0xc62efe38 to 0xc62f0000) [ 82.696885] fe20: 00000023 c67b7000 [ 82.705093] fe40: 0000000c c62eff60 c62efe64 c62efe58 c13885c0 c1388340 c62efe74 c62efe68 [ 82.713299] fe60: c0c5467c c13885a8 c62efe9c c62efe78 c0c54b7c c0c5465c c0c54a5c c5c80500 [ 82.721507] fe80: b6e01000 0000000c c309cf00 c62eff60 c62efec4 c62efea0 c07e05cc c0c54a68 [ 82.729713] fea0: 00000000 c5c80500 b6e01000 c2815800 c62eff60 c07e0568 c62eff5c c62efec8 [ 82.737920] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62ee000 [ 82.746126] fee0: b6e01000 00020000 00000004 0000000c 0001fff4 c62efee0 00000001 b6e00000 [ 82.754330] ff00: c5c2a8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 82.762539] ff20: 00000000 00000000 c139d890 fd2de737 c205dcc0 c5c80500 c5c80500 c62ee000 [ 82.770746] ff40: b6e01000 00000000 00000000 00000004 c62eff94 c62eff60 c059b1c4 c059ab18 [ 82.778951] ff60: 00000000 00000000 c62effac fd2de737 0000000c 0000000c b6f48e00 00000004 [ 82.787158] ff80: c03002e4 c62ee000 c62effa4 c62eff98 c059b254 c059b15c 00000000 c62effa8 [ 82.795364] ffa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e01000 0000000c 00000000 [ 82.803571] ffc0: 0000000c 0000000c b6f48e00 00000004 00000001 00000000 00020000 becd7ac4 [ 82.811776] ffe0: 00000004 becd77f8 b6eb2d8f b6e397e6 800e0030 00000001 00000000 00000000 [ 82.819970] Backtrace: [ 82.822473] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 82.830857] r7:c62eff60 r6:0000000c r5:c67b7000 r4:00000023 [ 82.836556] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.844857] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.852902] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.860853] r9:c62eff60 r8:c309cf00 r7:0000000c r6:b6e01000 r5:c5c80500 r4:c0c54a5c [ 82.868638] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 82.876498] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6e01000 r5:c5c80500 r4:00000000 [ 82.884275] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 82.891440] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c62ee000 r5:c5c80500 [ 82.899289] r4:c5c80500 [ 82.901856] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.909020] r9:c62ee000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000000c r4:0000000c [ 82.916799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.924388] Exception stack(0xc62effa8 to 0xc62efff0) [ 82.929467] ffa0: 0000000c 0000000c 00000001 b6e01000 0000000c 00000000 [ 82.937673] ffc0: 0000000c 0000000c b6f48e00 00000004 00000001 00000000 00020000 becd7ac4 [ 82.945872] ffe0: 00000004 becd77f8 b6eb2d8f b6e397e6 [ 82.950952] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 82.957077] ---[ end trace fff92107256d9efd ]--- 81.991618] r9:c07e0568 r8:c64f7f60 r7:c2815800 r6:b6e09000 r5:c5a98b40 r4:00000000 # [ 82.001273] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.010488] r10:00000004 r9:00000000 r8:00000000 r7:b6e09000 r6:c64f6000 r5:c5a98b40 # [ 82.020220] r4:c5a98b40 # [ 82.022765] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.029909] r9:c64f6000 r8:c03002e4 r7:00000004 r6:b6f50e00 r5:0000000d r4:0000000d # [ 82.037662] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.045235] Exception stack(0xc64f7fa8 to 0xc64f7ff0) # [ 82.050295] 7fa0: 0000000d 0000000d 00000001 b6e09000 0000000d 00000000 # [ 82.058482] 7fc0: 0000000d 0000000d b6f50e00 00000004 00000001 00000000 00020000 beb60ac4 # [ 82.066665] 7fe0: 00000004 beb607f8 b6ebad8f b6e417e6 # [ 82.071729] Code: bad PC value # [ 82.074866] ---[ end trace fff92107256d9efc ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh # Segmentation fault # [ 82.542106] lkdtm: Performing direct entry EXEC_RODATA # [ 82.549312] lkdtm: attempting ok execution at c0c553ec # [ 82.557337] lkdtm: attempting bad execution at c15e9044 # [ 82.565502] 8<--- cut here --- # [ 82.571346] Unable to handle kernel paging request at virtual address c15e9044 # [ 82.578596] pgd = 8668116b # [ 82.581329] [c15e9044] *pgd=1141941e(bad) # [ 82.585400] Internal error: Oops: 8000000d [#7] SMP ARM # [ 82.590649] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 82.619945] CPU: 0 PID: 1990 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 82.627710] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.634278] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 82.639370] LR is at execute_location+0xa4/0xb4 # [ 82.643924] pc : [] lr : [] psr: 600e0013 # [ 82.650213] sp : c62efe38 ip : c62efd40 fp : c62efe54 # [ 82.655457] r10: 0000000c r9 : c1accfd8 r8 : c15e8da8 # [ 82.660703] r7 : c62eff60 r6 : 00000000 r5 : c15e9044 r4 : c0c553ec # [ 82.667252] r3 : fd2de737 r2 : fd2de737 r1 : ef7815e0 r0 : 0000002b # [ 82.673807] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.680964] Control: 10c5387d Table: 1645c04a DAC: 00000051 # [ 82.686732] Process cat (pid: 1990, stack limit = 0xd49e0bc8) # [ 82.692502] Stack: (0xc62efe38 to 0xc62f0000) # [ 82.696885] fe20: 00000023 c67b7000 # [ 82.705093] fe40: 0000000c c62eff60 c62efe64 c62efe58 c13885c0 c1388340 c62efe74 c62efe68 # [ 82.713299] fe60: c0c5467c c13885a8 c62efe9c c62efe78 c0c54b7c c0c5465c c0c54a5c c5c80500 # [ 82.721507] fe80: b6e01000 0000000c c309cf00 c62eff60 c62efec4 c62efea0 c07e05cc c0c54a68 # [ 82.729713] fea0: 00000000 c5c80500 b6e01000 c2815800 c62eff60 c07e0568 c62eff5c c62efec8 # [ 82.737920] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62ee000 # [ 82.746126] fee0: b6e01000 00020000 00000004 0000000c 0001fff4 c62efee0 00000001 b6e00000 # [ 82.754330] ff00: c5c2a8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.762539] ff20: 00000000 00000000 c139d890 fd2de737 c205dcc0 c5c80500 c5c80500 c62ee000 # [ 82.770746] ff40: b6e01000 00000000 00000000 00000004 c62eff94 c62eff60 c059b1c4 c059ab18 # [ 82.778951] ff60: 00000000 00000000 c62effac fd2de737 0000000c 0000000c b6f48e00 00000004 # [ 82.787158] ff80: c03002e4 c62ee000 c62effa4 c62eff98 c059b254 c059b15c 00000000 c62effa8 # [ 82.795364] ffa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e01000 0000000c 00000000 # [ 82.803571] ffc0: 0000000c 0000000c b6f48e00 00000004 00000001 00000000 00020000 becd7ac4 # [ 82.811776] ffe0: 00000004 becd77f8 b6eb2d8f b6e397e6 800e0030 00000001 00000000 00000000 # [ 82.819970] Backtrace: # [ 82.822473] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 82.830857] r7:c62eff60 r6:0000000c r5:c67b7000 r4:00000023 # [ 82.836556] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.844857] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.852902] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.860853] r9:c62eff60 r8:c309cf00 r7:0000000c r6:b6e01000 r5:c5c80500 r4:c0c54a5c # [ 82.868638] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.876498] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6e01000 r5:c5c80500 r4:00000000 # [ 82.884275] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.891440] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c62ee000 r5:c5c80500 # [ 82.899289] r4:c5c80500 # [ 82.901856] [] (k[ 83.414453] lkdtm: Performing direct entry EXEC_USERSPACE sys_write) from [] (sys[ 83.422321] lkdtm: attempting ok execution at c0c553ec _write+0x18/0x1c) # [ 82.90902[ 83.430435] lkdtm: attempting bad execution at b6fa9000 0] r9:c62ee000 r8:c03002e4 r7:00[ 83.438446] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fa9000 [ 83.448401] Internal error: : b [#8] SMP ARM [ 83.452679] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 83.481715] CPU: 0 PID: 2066 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 83.489463] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.496000] PC is at 0xb6fa9000 [ 83.499154] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 83.504036] pc : [] lr : [] psr: 600e0013 [ 83.510307] sp : c62e9e48 ip : c62e9d50 fp : c62e9e64 [ 83.515536] r10: 0000000f r9 : c1accfe4 r8 : c15e8da8 [ 83.520766] r7 : c62e9f60 r6 : 0000000f r5 : c5b86000 r4 : b6fa9000 [ 83.527297] r3 : 2ce758ec r2 : 2ce758ec r1 : ef7815e0 r0 : 0000002b [ 83.533831] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 83.540970] Control: 10c5387d Table: 1472004a DAC: 00000051 [ 83.546722] Process cat (pid: 2066, stack limit = 0x0a8640fa) [ 83.552474] Stack: (0xc62e9e48 to 0xc62ea000) [ 83.556840] 9e40: 00000001 00000000 0000000f 00000024 c62e9e74 c62e9e68 [ 83.565024] 9e60: c0c5467c c0c55488 c62e9e9c c62e9e78 c0c54b7c c0c5465c c0c54a5c c62d37c0 [ 83.573208] 9e80: b6e63000 0000000f c309cf00 c62e9f60 c62e9ec4 c62e9ea0 c07e05cc c0c54a68 [ 83.581392] 9ea0: 00000000 c62d37c0 b6e63000 c2815800 c62e9f60 c07e0568 c62e9f5c c62e9ec8 [ 83.589578] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62e8000 [ 83.597761] 9ee0: b6e63000 00020000 00000004 0000000f 0001fff1 c62e9ee0 00000001 b6e62000 [ 83.605945] 9f00: c5c2b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 83.614129] 9f20: 00000000 00000000 c139d890 2ce758ec c205dcc0 c62d37c0 c62d37c0 c62e8000 [ 83.622314] 9f40: b6e63000 00000000 00000000 00000004 c62e9f94 c62e9f60 c059b1c4 c059ab18 [ 83.630498] 9f60: 00000000 00000000 c62e9fac 2ce758ec 0000000f 0000000f b6faae00 00000004 [ 83.638683] 9f80: c03002e4 c62e8000 c62e9fa4 c62e9f98 c059b254 c059b15c 00000000 c62e9fa8 [ 83.646866] 9fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6e63000 0000000f 00000000 [ 83.655051] 9fc0: 0000000f 0000000f b6faae00 00000004 00000001 00000000 00020000 beacaac4 [ 83.663234] 9fe0: 00000004 beaca7f8 b6f14d8f b6e9b7e6 800e0030 00000001 00000000 00000000 [ 83.671414] Backtrace: [ 83.673877] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.682407] r4:00000024 [ 83.684951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.692972] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.700898] r9:c62e9f60 r8:c309cf00 r7:0000000f r6:b6e63000 r5:c62d37c0 r4:c0c54a5c [ 83.708659] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 83.716496] r9:c07e0568 r8:c62e9f60 r7:c2815800 r6:b6e63000 r5:c62d37c0 r4:00000000 [ 83.724247] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.731390] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c62e8000 r5:c62d37c0 [ 83.739223] r4:c62d37c0 [ 83.741767] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.748910] r9:c62e8000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:0000000f r4:0000000f [ 83.756663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.764237] Exception stack(0xc62e9fa8 to 0xc62e9ff0) [ 83.769296] 9fa0: 0000000f 0000000f 00000001 b6e63000 0000000f 00000000 [ 83.777480] 9fc0: 0000000f 0000000f b6faae00 00000004 00000001 00000000 00020000 beacaac4 [ 83.785662] 9fe0: 00000004 beaca7f8 b6f14d8f b6e9b7e6 [ 83.790724] Code: bad PC value [ 83.793789] ---[ end trace fff92107256d9efe ]--- 000004 r6:b6f48e00 r5:0000000c r4:0000000c # [ 82.916799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.924388] Exception stack(0xc62effa8 to 0xc62efff0) # [ 82.929467] ffa0: 0000000c 0000000c 00000001 b6e01000 0000000c 00000000 # [ 82.937673] ffc0: 0000000c 0000000c b6f48e00 00000004 00000001 00000000 00020000 becd7ac4 # [ 82.945872] ffe0: 00000004 becd77f8 b6eb2d8f b6e397e6 # [ 82.950952] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 82.957077] ---[ end trace fff92107256d9efd ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 83.414453] lkdtm: Performing direct entry EXEC_USERSPACE # [ 83.422321] lkdtm: attempting ok execution at c0c553ec # [ 83.430435] lkdtm: attempting bad execution at b6fa9000 # [ 83.438446] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fa9000 # [ 83.448401] Internal error: : b [#8] SMP ARM # [ 83.452679] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 83.481715] CPU: 0 PID: 2066 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 83.489463] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.496000] PC is at 0xb6fa9000 # [ 83.499154] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 83.504036] pc : [] lr : [] psr: 600e0013 # [ 83.510307] sp : c62e9e48 ip : c62e9d50 fp : c62e9e64 # [ 83.515536] r10: 0000000f r9 : c1accfe4 r8 : c15e8da8 # [ 83.520766] r7 : c62e9f60 r6 : 0000000f r5 : c5b86000 r4 : b6fa9000 # [ 83.527297] r3 : 2ce758ec r2 : 2ce758ec r1 : ef7815e0 r0 : 0000002b # [ 83.533831] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.540970] Control: 10c5387d Table: 1472004a DAC: 00000051 # [ 83.546722] Process cat (pid: 2066, stack limit = 0x0a8640fa) # [ 83.552474] Stack: (0xc62e9e48 to 0xc62ea000) # [ 83.556840] 9e40: 00000001 00000000 0000000f 00000024 c62e9e74 c62e9e68 # [ 83.565024] 9e60: c0c5467c c0c55488 c62e9e9c c62e9e78 c0c54b7c c0c5465c c0c54a5c c62d37c0 # [ 83.573208] 9e80: b6e63000 0000000f c309cf00 c62e9f60 c62e9ec4 c62e9ea0 c07e05cc c0c54a68 # [ 83.581392] 9ea0: 00000000 c62d37c0 b6e63000 c2815800 c62e9f60 c07e0568 c62e9f5c c62e9ec8 # [ 83.589578] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62e8000 # [ 83.597761] 9ee0: b6e63000 00020000 00000004 0000000f 0001fff1 c62e9ee0 00000001 b6e62000 # [ 83.605945] 9f00: c5c2b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.614129] 9f20: 00000000 00000000 c139d890 2ce758ec c205dcc0 c62d37c0 c62d37c0 c62e8000 # [ 83.622314] 9f40: b6e63000 00000000 00000000 00000004 c62e9f94 c62e9f60 c059b1c4 c059ab18 # [ 83.630498] 9f60: 00000000 00000000 c62e9fac 2ce758ec 0000000f 0000000f b6faae00 00000004 # [ 83.638683] 9f80: c03002e4 c62e8000 c62e9fa4 c62e9f98 c059b254 c059b15c 00000000 c62e9fa8 # [ 83.646866] 9fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6e63000 0000000f 00000000 # [ 83.655051] 9fc0: 0000000f 0000000f b6faae00 00000004 00000001 00000000 00020000 beacaac4 # [ 83.663234] 9fe0: 00000004 beaca7f8 b6f14d8f b6e9b7e6 800e0030 00000001 00000000 00000000 # [ 83.671414] Backtrace: # [ 83.673877] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.682407] r4:00000024 # [ 83.684951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.692972] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.700898] r9:c62e9f60 r8:c309cf00 r7:0000000f r6:b6e63000 r5:c62d37c0 r4:c0c54a5c # [ 83.708659] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.716496] r9:c07e0568 r8:c62e9f60 r7:c2815800 r6:b6e63000 r5:c62d37c0 r4:00000000 # [ 83.724247] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.731390] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c62e8000 r5:c62d37c0 # [ 83.739223] r4:c62d37c0 # [ 83.741767] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.748910] r9:c62e8000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:0000000f r4:0000000f # [ 83.756663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.764237] Exception stack(0xc62e9fa8 to 0xc62e9ff0) # [ 83.769296] 9fa0: 0000000f 0000000f 00000001 b[ 84.265840] lkdtm: Performing direct entry EXEC_NULL 6e63000 0000000f 00[0 0 0 08040. 73052] lkdtm: attempting ok execution at c0c553ec # [ 83.777480] 9fc0: 0000000f [ 84.280471] lkdtm: attempting bad execution at 00000000 0000000f b6faae00 00000004 000000[ 84.288532] 8<--- cut here --- 01 00000000 00020000 beacaac4 # [ 84.294398] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 83.785662] 9fe0: 00000004 bea[ 84.305545] pgd = 1a5d73ef ca7f8 b6f14d8f b6e9b7e6 # [ 83[ 84.310980] [00000000] *pgd=00000000 .790724] Code: bad PC value # [ [ 84.317430] Internal error: Oops: 80000005 [#9] SMP ARM 83.793789] ---[ end trace fff92[ 84.325456] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 107256d9efe ]--- [# E X8E4C._357159] CPU: 1 PID: 2137 Comm: cat Tainted: G D W 5.10.181-cip34 #1 SERSPACE: [m i s s8i4n.g3 6'70c6a] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ll trace:': [FAIL][ n o8t4 .o375335] PC is at 0x0 35 selftests: lkdtm: EXEC_U[S E 84.380044] LR is at execute_location+0xa4/0xb4 SPACE.sh #[ e x i8t4=.13 8 7#1 65] pc : [<00000000>] lr : [] psr: 600e0013 elftests:[ l k d8t4m.3:9 5E2X5E4] sp : c5b4be38 ip : c5b4bd40 fp : c5b4be54 _NULL.sh[ 84.402211] r10: 0000000a r9 : c1accff4 r8 : c15e8da8 [ 84.408302] r7 : c5b4bf60 r6 : 00000000 r5 : 00000000 r4 : c0c553ec [ 84.414833] r3 : 8b8d6c23 r2 : 8b8d6c23 r1 : ef7965e0 r0 : 0000002b [ 84.421367] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 84.428507] Control: 10c5387d Table: 147c404a DAC: 00000051 [ 84.434261] Process cat (pid: 2137, stack limit = 0xb747e996) [ 84.440013] Stack: (0xc5b4be38 to 0xc5b4c000) [ 84.444377] be20: 00000025 c5d9b000 [ 84.452564] be40: 0000000a c5b4bf60 c5b4be64 c5b4be58 c13885e4 c1388340 c5b4be74 c5b4be68 [ 84.460750] be60: c0c5467c c13885d0 c5b4be9c c5b4be78 c0c54b7c c0c5465c c0c54a5c c5a7b400 [ 84.468933] be80: b6df1000 0000000a c309cf00 c5b4bf60 c5b4bec4 c5b4bea0 c07e05cc c0c54a68 [ 84.477117] bea0: 00000000 c5a7b400 b6df1000 c2815800 c5b4bf60 c07e0568 c5b4bf5c c5b4bec8 [ 84.485302] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c5946164 c059b1c4 c5b4a000 [ 84.493486] bee0: b6df1000 00020000 00000004 0000000a 0001fff6 c5b4bee0 00000001 00000805 [ 84.501671] bf00: c62d23c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 84.509856] bf20: 00000000 00000000 c5b4a000 8b8d6c23 b6df0000 c5a7b400 c5a7b400 c5b4a000 [ 84.518042] bf40: b6df1000 00000000 00000000 00000004 c5b4bf94 c5b4bf60 c059b1c4 c059ab18 [ 84.526229] bf60: 00000000 00000000 c5b4bfac 8b8d6c23 0000000a 0000000a b6f38e00 00000004 [ 84.534413] bf80: c03002e4 c5b4a000 c5b4bfa4 c5b4bf98 c059b254 c059b15c 00000000 c5b4bfa8 [ 84.542598] bfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 [ 84.550784] bfc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 bedceac4 [ 84.558968] bfe0: 00000004 bedce7f8 b6ea2d8f b6e297e6 800e0030 00000001 00000000 00000000 [ 84.567147] Backtrace: [ 84.569614] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 84.577800] r7:c5b4bf60 r6:0000000a r5:c5d9b000 r4:00000025 [ 84.583471] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 84.591571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 84.599590] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 84.607517] r9:c5b4bf60 r8:c309cf00 r7:0000000a r6:b6df1000 r5:c5a7b400 r4:c0c54a5c [ 84.615275] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 84.623114] r9:c07e0568 r8:c5b4bf60 r7:c2815800 r6:b6df1000 r5:c5a7b400 r4:00000000 [ 84.630866] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.638008] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c5b4a000 r5:c5a7b400 [ 84.645841] r4:c5a7b400 [ 84.648384] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.655527] r9:c5b4a000 r8:c03002e4 r7:00000004 r6:b6f38e00 r5:0000000a r4:0000000a [ 84.663281] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.670854] Exception stack(0xc5b4bfa8 to 0xc5b4bff0) [ 84.675913] bfa0: 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 [ 84.684096] bfc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 bedceac4 [ 84.692278] bfe0: 00000004 bedce7f8 b6ea2d8f b6e297e6 [ 84.697340] Code: bad PC value [ 84.700480] ---[ end trace fff92107256d9eff ]--- # Segmentation fault # [ 84.265840] lkdtm: Performing direct entry EXEC_NULL # [ 84.273052] lkdtm: attempting ok execution at c0c553ec # [ 84.280471] lkdtm: attempting bad execution at 00000000 # [ 84.288532] 8<--- cut here --- # [ 84.294398] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 84.305545] pgd = 1a5d73ef # [ 84.310980] [00000000] *pgd=00000000 # [ 84.317430] Internal error: Oops: 80000005 [#9] SMP ARM # [ 84.325456] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 84.357159] CPU: 1 PID: 2137 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 84.367067] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.375335] PC is at 0x0 # [ 84.380044] LR is at execute_location+0xa4/0xb4 # [ 84.387165] pc : [<00000000>] lr : [] psr: 600e0013 # [ 84.395254] sp : c5b4be38 ip : c5b4bd40 fp : c5b4be54 # [ 84.402211] r10: 0000000a r9 : c1accff4 r8 : c15e8da8 # [ 84.408302] r7 : c5b4bf60 r6 : 00000000 r5 : 00000000 r4 : c0c553ec # [ 84.414833] r3 : 8b8d6c23 r2 : 8b8d6c23 r1 : ef7965e0 r0 : 0000002b # [ 84.421367] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.428507] Control: 10c5387d Table: 147c404a DAC: 00000051 # [ 84.434261] Process cat (pid: 2137, stack limit = 0xb747e996) # [ 84.440013] Stack: (0xc5b4be38 to 0xc5b4c000) # [ 84.444377] be20: 00000025 c5d9b000 # [ 84.452564] be40: 0000000a c5b4bf60 c5b4be64 c5b4be58 c13885e4 c1388340 c5b4be74 c5b4be68 # [ 84.460750] be60: c0c5467c c13885d0 c5b4be9c c5b4be78 c0c54b7c c0c5465c c0c54a5c c5a7b400 # [ 84.468933] be80: b6df1000 0000000a c309cf00 c5b4bf60 c5b4bec4 c5b4bea0 c07e05cc c0c54a68 # [ 84.477117] bea0: 00000000 c5a7b400 b6df1000 c2815800 c5b4bf60 c07e0568 c5b4bf5c c5b4bec8 # [ 84.485302] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c5946164 c059b1c4 c5b4a000 # [ 84.493486] bee0: b6df1000 00020000 00000004 0000000a 0001fff6 c5b4bee0 00000001 00000805 # [ 84.501671] bf00: c62d23c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.509856] bf20: 00000000 00000000 c5b4a000 8b8d6c23 b6df0000 c5a7b400 c5a7b400 c5b4a000 # [ 84.518042] bf40: b6df1000 00000000 00000000 00000004 c5b4bf94 c5b4bf60 c059b1c4 c059ab18 # [ 84.526229] bf60: 00000000 00000000 c5b4bfac 8b8d6c23 0000000a 0000000a b6f38e00 00000004 # [ 84.534413] bf80: c03002e4 c5b4a000 c5b4bfa4 c5b4bf98 c059b254 c059b15c 00000000 c5b4bfa8 # [ 84.542598] bfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 # [ 84.550784] bfc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 bedceac4 # [ 84.558968] bfe0: 00000004 bedce7f8 b6ea2d8f b6e297e6 800e0030 00000001 00000000 00000000 # [ 84.567147] Backtrace: # [ 84.569614] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 84.577800] r7:c5b4bf60 r6:0000000a r5:c5d9b000 r4:00000025 # [ 84.583471] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.591571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.599590] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.607517] r9:c5b4bf60 r8:c309cf00 r7:0000000a r6:b6df1000 r5:c5a7b400 r4:c0c54a5c # [ 84.615275] [] (full_proxy_write) from [[ 85.141563] lkdtm: attempting bad read at b6f0c000 ] (vfs_write+0x10c/0x53[ 85.148994] 8<--- cut here --- c) # [ 84.623114] [ r 9 :8c50154845] Unhandled fault: page domain fault (0x01b) at 0xb6f0c000 7e0568 r8:c5b4bf60 r7:c28[1 5 8 05.163459] pgd = a54449e3 0 r6:b6df1000 r5:c5a7b400 r4:0000[ 85.168600] [b6f0c000] *pgd=4957e831 0000 # [ 84.630866] [] (vfs_write) from [] [ 85.182345] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 (ksys_write+0x74/0xec) # [ 84.[ 85.214058] CPU: 1 PID: 2213 Comm: cat Tainted: G D W 5.10.181-cip34 #1 638008] r10:00000004 r9[: 0 0 085.224651] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000 r8:00000000 r7:b6df1000 r6:c[ 85.233628] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 5b4a000 r5:c5a7b400 # [ 84.645[ 85.241720] LR is at __irq_work_queue_local+0x40/0x74 841] r4:c5a7b400 # [ 84.[6 4 85.249615] pc : [] lr : [] psr: 600e0013 384] [] (ksy[s _ w r8i5.258481] sp : c62efe38 ip : c62efd40 fp : c62efe64 e) from [] (sys[_ w r i5.266049] r10: 00000011 r9 : c1acd000 r8 : c15e8da8 te+0x18/0x1c) # [ 84.6[5 5 585.273702] r7 : c62eff60 r6 : 00000051 r5 : c62ee000 r4 : b6f0c000 7] r9:c5b4a000 r8:c03002e4 [r 785.282662] r3 : 7abf8c66 r2 : 7abf8c66 r1 : ef7965e0 r0 : 00000026 :00000004 r6:b6f38e00 r5:000000[ 85.291707] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none a r4:0000000a # [ 84.6632[8 1 85.301529] Control: 10c5387d Table: 147e004a DAC: 00000051 [] (sys_write) from [[ 85.309881] Process cat (pid: 2213, stack limit = 0xd49e0bc8) c03000c0>] (ret_fast_syscall+[0 x 85.318400] Stack: (0xc62efe38 to 0xc62f0000) 0/0x28) # [ 84.670854] Except[ 85.325363] fe20: 00000022 00000000 on stack(0xc5b4bfa8 to 0xc5b4bff0[ 85.336322] fe40: 00000000 7abf8c66 c62efe6c 00000026 c5d82000 00000011 c62efe74 c62efe68 ) # [ 84.675913] bfa0: [ 85.347361] fe60: c0c5467c c0c5555c c62efe9c c62efe78 c0c54b7c c0c5465c c0c54a5c c5a7bb80 0000000a 0000000a 0000[ 85.358400] fe80: b6dc6000 00000011 c309cf00 c62eff60 c62efec4 c62efea0 c07e05cc c0c54a68 0001 b6df1000 0000000a 00000000 [ 85.369438] fea0: 00000000 c5a7bb80 b6dc6000 c2815800 c62eff60 c07e0568 c62eff5c c62efec8 # [ 84.684096] bfc0: 0000000a 0[ 85.380478] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62ee000 000000a b6f38e00 00000004 0000000[ 85.391517] fee0: b6dc6000 00020000 00000004 00000011 0001ffef c62efee0 00000001 b6dc5000 1 00000000 00020000 bedceac4 # [[ 85.402554] ff00: c627db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 84.692278] bfe0: 00000004 bedc[ 85.413596] ff20: 00000000 00000000 c139d890 7abf8c66 c205dcc0 c5a7bb80 c5a7bb80 c62ee000 e7f8 b6ea2d8f b6e297e6 # [ 84.[ 85.424634] ff40: b6dc6000 00000000 00000000 00000004 c62eff94 c62eff60 c059b1c4 c059ab18 697340] Code: bad PC value # [ [ 85.435672] ff60: 00000000 00000000 c62effac 7abf8c66 00000011 00000011 b6f0de00 00000004 84.700480] ---[ end trace fff921[ 85.446714] ff80: c03002e4 c62ee000 c62effa4 c62eff98 c059b254 c059b15c 00000000 c62effa8 07256d9eff ]--- # EXEC_NULL: mis[ 85.457752] ffa0: c03000c0 c059b248 00000011 00000011 00000001 b6dc6000 00000011 00000000 sing 'call trace:': [FAIL] not o[ 85.468795] ffc0: 00000011 00000011 b6f0de00 00000004 00000001 00000000 00020000 bea44ac4 k 36 selftests: lkdtm: EXEC_NULL.[ 85.479832] ffe0: 00000004 bea447f8 b6e77d8f b6dfe7e6 800e0030 00000001 00000000 00000000 sh # exit=1 # selftests: lkdtm: [ 85.490860] Backtrace: ACCESS_USERSPACE.sh [ 85.496191] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 85.506704] r6:00000011 r5:c5d82000 r4:00000026 [ 85.511354] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 85.519398] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 85.527349] r9:c62eff60 r8:c309cf00 r7:00000011 r6:b6dc6000 r5:c5a7bb80 r4:c0c54a5c [ 85.535137] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 85.542998] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6dc6000 r5:c5a7bb80 r4:00000000 [ 85.550774] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 85.557938] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c62ee000 r5:c5a7bb80 [ 85.565786] r4:c5a7bb80 [ 85.568353] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 85.575517] r9:c62ee000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:00000011 r4:00000011 [ 85.583296] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 85.590885] Exception stack(0xc62effa8 to 0xc62efff0) [ 85.595964] ffa0: 00000011 00000011 00000001 b6dc6000 00000011 00000000 [ 85.604170] ffc0: 00000011 00000011 b6f0de00 00000004 00000001 00000000 00020000 bea44ac4 [ 85.612370] ffe0: 00000004 bea447f8 b6e77d8f b6dfe7e6 [ 85.617450] Code: e1a01004 e30d0f24 e34c01ac eb1c9fd2 (e5943000) [ 85.623577] ---[ end trace fff92107256d9f00 ]--- # Segmentation fault # [ 85.134242] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 85.141563] lkdtm: attempting bad read at b6f0c000 # [ 85.148994] 8<--- cut here --- # [ 85.154845] Unhandled fault: page domain fault (0x01b) at 0xb6f0c000 # [ 85.163459] pgd = a54449e3 # [ 85.168600] [b6f0c000] *pgd=4957e831 # [ 85.175046] Internal error: : 1b [#10] SMP ARM # [ 85.182345] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 85.214058] CPU: 1 PID: 2213 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 85.224651] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.233628] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 85.241720] LR is at __irq_work_queue_local+0x40/0x74 # [ 85.249615] pc : [] lr : [] psr: 600e0013 # [ 85.258481] sp : c62efe38 ip : c62efd40 fp : c62efe64 # [ 85.266049] r10: 00000011 r9 : c1acd000 r8 : c15e8da8 # [ 85.273702] r7 : c62eff60 r6 : 00000051 r5 : c62ee000 r4 : b6f0c000 # [ 85.282662] r3 : 7abf8c66 r2 : 7abf8c66 r1 : ef7965e0 r0 : 00000026 # [ 85.291707] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.301529] Control: 10c5387d Table: 147e004a DAC: 00000051 # [ 85.309881] Process cat (pid: 2213, stack limit = 0xd49e0bc8) # [ 85.318400] Stack: (0xc62efe38 to 0xc62f0000) # [ 85.325363] fe20: 00000022 00000000 # [ 85.336322] fe40: 00000000 7abf8c66 c62efe6c 00000026 c5d82000 00000011 c62efe74 c62efe68 # [ 85.347361] fe60: c0c5467c c0c5555c c62efe9c c62efe78 c0c54b7c c0c5465c c0c54a5c c5a7bb80 # [ 85.358400] fe80: b6dc6000 00000011 c309cf00 c62eff60 c62efec4 c62efea0 c07e05cc c0c54a68 # [ 85.369438] fea0: 00000000 c5a7bb80 b6dc6000 c2815800 c62eff60 c07e0568 c62eff5c c62efec8 # [ 85.380478] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62ee000 # [ 85.391517] fee0: b6dc6000 00020000 00000004 00000011 0001ffef c62efee0 00000001 b6dc5000 # [ 85.402554] ff00: c627db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.413596] ff20: 00000000 00000000 c139d890 7abf8c66 c205dcc0 c5a7bb80 c5a7bb80 c62ee000 # [ 85.424634] ff40: b6dc6000 00000000 00000000 00000004 c62eff94 c62eff60 c059b1c4 c059ab18 # [ 85.435672] ff60: 00000000 00000000 c62effac 7abf8c66 00000011 00000011 b6f0de00 00000004 # [ 85.446714] ff80: c03002e4 c62ee000 c62effa4 c62eff98 c059b254 c059b15c 00000000 c62effa8 # [ 85.457752] ffa0: c03000c0 c059b248 00000011 00000011 00000001 b6dc6000 00000011 00000000 # [ 85.468795] ffc0: 00000011 00000011 b6f0de00 00000004 00000001 00000000 00020000 bea44ac4 # [ 85.479832] ffe0: 00000004 bea447f8 b6e77d8f b6dfe7e6 800e0030 00000001 00000000 00000000 # [ 85.490860] Backtrace: # [ 85.496191] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.506704] r6:00000011 r5:c5d82000 r4:00000026 # [ 85.511354] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.519398] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.527349] r9:c62eff60 r8:c309cf00 r7:00000011 r6:b6dc6000 r5:c5a7bb80 r4:c0c54a5c # [ 85.535137] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.542998] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6dc6000 r5:c5a7bb80 r4:00000000 # [ 85.550774] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.557938] r10:00000004 r9:00000000 r8:0000000[ 86.084688] lkdtm: Performing direct entry ACCESS_NULL 0 r7:b6dc6000 r6:c62ee000 r5:c5a7[ 86.091072] lkdtm: attempting bad read at 00000000 bb80 # [ 85.565786] r4:c5a7bb[ 86.098717] 8<--- cut here --- 80 # [ 85.56835[3 ] [8<6c.0104579] Unable to handle kernel NULL pointer dereference at virtual address 00000000 9b150>] (ksys_write) from [] (sys_write+0x18/0x1c) # [ [ 86.120450] [00000000] *pgd=00000000 85.575517] r9:c62ee000 r8:c030[ 86.126891] Internal error: Oops: 5 [#11] SMP ARM 02e4 r7:00000004 r6:b6f0de00 r5:0[ 86.134428] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 0000011 r4:00000011[ # 8[6 . 66129] CPU: 3 PID: 2288 Comm: cat Tainted: G D W 5.10.181-cip34 #1 85.583296][ [ < 8c60.5197b620335] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) >] (sys_write) from [] [ 86.184399] PC is at lkdtm_ACCESS_NULL+0x28/0x68 (ret_fast_syscall+0x0/0x28[) 86.191875] LR is at __irq_work_queue_local+0x40/0x74 [ 85.[5 9 0 88865.]1 9E9x4c3e2] pc : [] lr : [] psr: 600e0013 tion s[t a c k8(60.x2c06724e3f2f] sp : c6085e50 ip : c6085d58 fp : c6085e64 8 to 0xc6[2 e f f8f60.)21 4 3#0 6] r10: 0000000c r9 : c1acd014 r8 : c15e8da8 85.595[9 6 4 ]8 6f.f2a201:2 6 ] r7 : c6085f60 r6 : 0000000c r5 : c2f83000 r4 : 00000000 [ 8 6 . 2 2 9050207] r3 : f02e484c r2 : f02e484c r1 : ef7c05e0 r0 : 00000026 0011 000000[1 1 08060.2030707090] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none b6dc6000 [0 0 0 08060.1214 607046] Control: 10c5387d Table: 1671804a DAC: 00000051 00000 # [ [ 8 5 .8660.4215740313] Process cat (pid: 2288, stack limit = 0xe8978cae) ffc0: 000[0 0 0 1861. 2060109060] Stack: (0xc6085e50 to 0xc6086000) 011 b6f0de00 0[0 0 0 08060.42 608060] 5e40: 00000027 c2f83000 c6085e74 c6085e68 000001 000000[0 0 08060.220708032] 5e60: c0c5467c c13885f4 c6085e9c c6085e78 c0c54b7c c0c5465c c0c54a5c c6335400 0 bea44ac4 [# [ 8 6 .8258.86316] 5e80: b6ddb000 0000000c c309cf00 c6085f60 c6085ec4 c6085ea0 c07e05cc c0c54a68 2370] ffe0: 0000[0 0 0 846 .b2e9a402] 5ea0: 00000000 c6335400 b6ddb000 c2815800 c6085f60 c07e0568 c6085f5c c6085ec8 447f8 b6e77d8f [b 6 d f8e67.e360 572] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c6084000 # [ 85.61745[0 ] C8o6d.e3:1 743] 5ee0: b6ddb000 00020000 00000004 0000000c 0001fff4 c6085ee0 00000001 b6dda000 e1a01004 e3[0 d 0 f8264. 3e23849c3] 5f00: c5a7b680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01ac eb1c9fd2 ([e 5 9 48360.0303)913] 5f20: 00000000 00000000 c139d890 f02e484c c205dcc0 c6335400 c6335400 c6084000 # [ 85.6[2 3 5 7876]. 3-4-9-85] 5f40: b6ddb000 00000000 00000000 00000004 c6085f94 c6085f60 c059b1c4 c059ab18 [ end trace fff[9 2 1 08762.5365d170] 5f60: 00000000 00000000 c6085fac f02e484c 0000000c 0000000c b6f22e00 00000004 9f00 ]--- # A[C C E S8S6_.U3S6E9341] 5f80: c03002e4 c6084000 c6085fa4 c6085f98 c059b254 c059b15c 00000000 c6085fa8 SPACE: missing[ ' c a8l6l. 3t7r9513] 5fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6ddb000 0000000c 00000000 ce:': [FAIL][ n o8t6 .o3k8 93683] 5fc0: 0000000c 0000000c b6f22e00 00000004 00000001 00000000 00020000 becc5ac4 selftests: lkd[t m : 8A6C.C3E9S770] 5fe0: 00000004 becc57f8 b6e8cd8f b6e137e6 800e0030 00000001 00000000 00000000 S_USERSPACE.s[h # 8e6x.i4t0=9134] Backtrace: # selftests: lkdtm: ACCES[S _ N86.414304] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) ULL.sh [ 86.425073] r5:c2f83000 r4:00000027 [ 86.429344] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 86.437361] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 86.445286] r9:c6085f60 r8:c309cf00 r7:0000000c r6:b6ddb000 r5:c6335400 r4:c0c54a5c [ 86.453043] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 86.460881] r9:c07e0568 r8:c6085f60 r7:c2815800 r6:b6ddb000 r5:c6335400 r4:00000000 [ 86.468632] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.475775] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6084000 r5:c6335400 [ 86.483607] r4:c6335400 [ 86.486150] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.493294] r9:c6084000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000000c r4:0000000c [ 86.501048] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.508623] Exception stack(0xc6085fa8 to 0xc6085ff0) [ 86.513683] 5fa0: 0000000c 0000000c 00000001 b6ddb000 0000000c 00000000 [ 86.521867] 5fc0: 0000000c 0000000c b6f22e00 00000004 00000001 00000000 00020000 becc5ac4 [ 86.530049] 5fe0: 00000004 becc57f8 b6e8cd8f b6e137e6 [ 86.535109] Code: e30d0f24 e34c01ac e1a01004 ebffd3e7 (e5945000) [ 86.541273] ---[ end trace fff92107256d9f01 ]--- # Segmentation fault # [ 86.084688] lkdtm: Performing direct entry ACCESS_NULL # [ 86.091072] lkdtm: attempting bad read at 00000000 # [ 86.098717] 8<--- cut here --- # [ 86.104579] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 86.114885] pgd = f258b293 # [ 86.120450] [00000000] *pgd=00000000 # [ 86.126891] Internal error: Oops: 5 [#11] SMP ARM # [ 86.134428] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 86.166129] CPU: 3 PID: 2288 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 86.176035] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.184399] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 86.191875] LR is at __irq_work_queue_local+0x40/0x74 # [ 86.199432] pc : [] lr : [] psr: 600e0013 # [ 86.207432] sp : c6085e50 ip : c6085d58 fp : c6085e64 # [ 86.214306] r10: 0000000c r9 : c1acd014 r8 : c15e8da8 # [ 86.221265] r7 : c6085f60 r6 : 0000000c r5 : c2f83000 r4 : 00000000 # [ 86.229527] r3 : f02e484c r2 : f02e484c r1 : ef7c05e0 r0 : 00000026 # [ 86.237790] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.246746] Control: 10c5387d Table: 1671804a DAC: 00000051 # [ 86.254313] Process cat (pid: 2288, stack limit = 0xe8978cae) # [ 86.261965] Stack: (0xc6085e50 to 0xc6086000) # [ 86.268060] 5e40: 00000027 c2f83000 c6085e74 c6085e68 # [ 86.278232] 5e60: c0c5467c c13885f4 c6085e9c c6085e78 c0c54b7c c0c5465c c0c54a5c c6335400 # [ 86.288316] 5e80: b6ddb000 0000000c c309cf00 c6085f60 c6085ec4 c6085ea0 c07e05cc c0c54a68 # [ 86.298402] 5ea0: 00000000 c6335400 b6ddb000 c2815800 c6085f60 c07e0568 c6085f5c c6085ec8 # [ 86.308572] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c6084000 # [ 86.318743] 5ee0: b6ddb000 00020000 00000004 0000000c 0001fff4 c6085ee0 00000001 b6dda000 # [ 86.328913] 5f00: c5a7b680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 86.338913] 5f20: 00000000 00000000 c139d890 f02e484c c205dcc0 c6335400 c6335400 c6084000 # [ 86.349085] 5f40: b6ddb000 00000000 00000000 00000004 c6085f94 c6085f60 c059b1c4 c059ab18 # [ 86.359170] 5f60: 00000000 00000000 c6085fac f02e484c 0000000c 0000000c b6f22e00 00000004 # [ 86.369341] 5f80: c03002e4 c6084000 c6085fa4 c6085f98 c059b254 c059b15c 00000000 c6085fa8 # [ 86.379513] 5fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6ddb000 0000000c 00000000 # [ 86.389683] 5fc0: 0000000c 0000000c b6f22e00 00000004 00000001 00000000 00020000 becc5ac4 # [ 86.399770] 5fe0: 00000004 becc57f8 b6e8cd8f b6e137e6 800e0030 00000001 00000000 00000000 # [ 86.409934] Backtrace: # [ 86.414304] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.425073] r5:c2f83000 r4:00000027 # [ 86.429344] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.437361] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.445286] r9:c6085f60 r8:c309cf00 r7:0000000c r6:b6ddb000 r5:c6335400 r4:c0c54a5c # [ 86.453043] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.460881] r9:c07e0568 r8:c6085f60 r7:c2815800 r6:b6ddb000 r5:c6335400 r4:00000000 # [ 86.468632] [] (vfs_write) from [] (k[ 87.001430] lkdtm: Performing direct entry WRITE_RO sys_write+0x74/0xec) # [ 86.47[ 87.008137] lkdtm: attempting bad rodata write at c15e9040 5775] r10:00000004 r9:00000000 r[ 87.016370] 8<--- cut here --- 8:00000000 r7:[b 6 d d8b70.0002 2234] Unable to handle kernel paging request at virtual address c15e9040 6:c6084000 r5:c63354[0 0 8 7#. 31461] pgd = 7b8b3b20 [ 86.483607] r4:c6335400 # [ [ 87.036343] [c15e9040] *pgd=1141941e(bad) 86.486150] [] (ks[y s 87.043235] Internal error: Oops: 80d [#12] SMP ARM _write) from [] (sys_wr[ 87.050712] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 ite+0x18/0x1c) # [ 86.493294] 87.082434] CPU: 2 PID: 2362 Comm: cat Tainted: G D W 5.10.181-cip34 #1 r9:c6084000 r8[: c 0 38070.20e94948] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r7:00000004 r6:b6f22e00 r5:00000[ 87.101502] PC is at lkdtm_WRITE_RO+0x44/0x50 00c r4:0000000c # [ 86.501048][ 87.108730] LR is at __irq_work_queue_local+0x40/0x74 [] (s[y s _ w8r7i.t1e16634] pc : [] lr : [] psr: 600e0013 from [ ] 8(7r.e1t2_990] sp : c67b5e50 ip : c67b5d58 fp : c67b5e64 fast_syscall+0[x 0 /807x.2183)2 17] r10: 00000009 r9 : c1acd020 r8 : c15e8da8 # [ 86.508623] [E x c e8p7t.1i9361] r7 : c67b5f60 r6 : 00000009 r5 : c5ded000 r4 : c15e9040 on stack(0xc608[5 f a 88 7t.o1 40978] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1acde24 xc6085ff0) # [ 86.51[3 6 8 38].156515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 5fa0: [ 8 7 . 1 65997] Control: 10c5387d Table: 1472404a DAC: 00000051 0000000c 0000000c 000000[0 1 b87.173839] Process cat (pid: 2362, stack limit = 0x6d31618e) ddb000 0000000c 00[0 0 0 08070. 182016] Stack: (0xc67b5e50 to 0xc67b6000) # [ 86.521867] 5fc0: 00000[0 0 87.188558] 5e40: 00000028 c5ded000 c67b5e74 c67b5e68 0000000c b6f22e00 00000004 00[0 87.199348] 5e60: c0c5467c c13883f4 c67b5e9c c67b5e78 c0c54b7c c0c5465c c0c54a5c c2fb4b40 0001 00000000 00020000 becc[5 a c87.210220] 5e80: b6e5a000 00000009 c309cf00 c67b5f60 c67b5ec4 c67b5ea0 c07e05cc c0c54a68 4 # [ 86.530049] 5fe0: 00[0 0 87.220921] 5ea0: 00000000 c2fb4b40 b6e5a000 c2815800 c67b5f60 c07e0568 c67b5f5c c67b5ec8 004 becc57f8 b6e8cd8f b6e137e[6 87.231710] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c67b4000 # [ 86.535109] Code: e3[0 d 0 87.242495] 5ee0: b6e5a000 00020000 00000004 00000009 0001fff7 c67b5ee0 00000001 b6e59000 24 e34c01ac e1a01004 ebf[f d 3 e87.253196] 5f00: c5c81540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 (e5945000) # [ 86.5412[7 3 ]87.263812] 5f20: 00000000 00000000 c139d890 428ed736 c205dcc0 c2fb4b40 c2fb4b40 c67b4000 ---[ end trace fff9210725[6 d 9 87.274512] 5f40: b6e5a000 00000000 00000000 00000004 c67b5f94 c67b5f60 c059b1c4 c059ab18 01 ]--- # ACCESS_NULL: missing [ 87.285213] 5f60: 00000000 00000000 c67b5fac 428ed736 00000009 00000009 b6fa1e00 00000004 call trace:': [FAIL] not o[k 387.296168] 5f80: c03002e4 c67b4000 c67b5fa4 c67b5f98 c059b254 c059b15c 00000000 c67b5fa8 8 selftests: lkdtm: ACCES[S _ N U7.306868] 5fa0: c03000c0 c059b248 00000009 00000009 00000001 b6e5a000 00000009 00000000 LL.sh # exit=1 # selftests: [l k 87.317484] 5fc0: 00000009 00000009 b6fa1e00 00000004 00000001 00000000 00020000 beb6dac4 dtm: WRITE_RO.sh [ 87.328269] 5fe0: 00000004 beb6d7f8 b6f0bd8f b6e927e6 800e0030 00000001 00000000 00000000 [ 87.338003] Backtrace: [ 87.340506] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 87.348536] r5:c5ded000 r4:00000028 [ 87.352145] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 87.360190] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 87.368137] r9:c67b5f60 r8:c309cf00 r7:00000009 r6:b6e5a000 r5:c2fb4b40 r4:c0c54a5c [ 87.375922] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 87.383783] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e5a000 r5:c2fb4b40 r4:00000000 [ 87.391560] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.398724] r10:00000004 r9:00000000 r8:00000000 r7:b6e5a000 r6:c67b4000 r5:c2fb4b40 [ 87.406573] r4:c2fb4b40 [ 87.409140] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 87.416305] r9:c67b4000 r8:c03002e4 r7:00000004 r6:b6fa1e00 r5:00000009 r4:00000009 [ 87.424083] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 87.431675] Exception stack(0xc67b5fa8 to 0xc67b5ff0) [ 87.436754] 5fa0: 00000009 00000009 00000001 b6e5a000 00000009 00000000 [ 87.444960] 5fc0: 00000009 00000009 b6fa1e00 00000004 00000001 00000000 00020000 beb6dac4 [ 87.453159] 5fe0: 00000004 beb6d7f8 b6f0bd8f b6e927e6 [ 87.458238] Code: e34a3bcd e30d0e24 e34c01ac e0233002 (e5843000) [ 87.464361] ---[ end trace fff92107256d9f02 ]--- # Segmentation fault # [ 87.001430] lkdtm: Performing direct entry WRITE_RO # [ 87.008137] lkdtm: attempting bad rodata write at c15e9040 # [ 87.016370] 8<--- cut here --- # [ 87.022234] Unable to handle kernel paging request at virtual address c15e9040 # [ 87.031461] pgd = 7b8b3b20 # [ 87.036343] [c15e9040] *pgd=1141941e(bad) # [ 87.043235] Internal error: Oops: 80d [#12] SMP ARM # [ 87.050712] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 87.082434] CPU: 2 PID: 2362 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 87.092948] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.101502] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 87.108730] LR is at __irq_work_queue_local+0x40/0x74 # [ 87.116634] pc : [] lr : [] psr: 600e0013 # [ 87.124990] sp : c67b5e50 ip : c67b5d58 fp : c67b5e64 # [ 87.132217] r10: 00000009 r9 : c1acd020 r8 : c15e8da8 # [ 87.139361] r7 : c67b5f60 r6 : 00000009 r5 : c5ded000 r4 : c15e9040 # [ 87.147978] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1acde24 # [ 87.156515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.165997] Control: 10c5387d Table: 1472404a DAC: 00000051 # [ 87.173839] Process cat (pid: 2362, stack limit = 0x6d31618e) # [ 87.182016] Stack: (0xc67b5e50 to 0xc67b6000) # [ 87.188558] 5e40: 00000028 c5ded000 c67b5e74 c67b5e68 # [ 87.199348] 5e60: c0c5467c c13883f4 c67b5e9c c67b5e78 c0c54b7c c0c5465c c0c54a5c c2fb4b40 # [ 87.210220] 5e80: b6e5a000 00000009 c309cf00 c67b5f60 c67b5ec4 c67b5ea0 c07e05cc c0c54a68 # [ 87.220921] 5ea0: 00000000 c2fb4b40 b6e5a000 c2815800 c67b5f60 c07e0568 c67b5f5c c67b5ec8 # [ 87.231710] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c67b4000 # [ 87.242495] 5ee0: b6e5a000 00020000 00000004 00000009 0001fff7 c67b5ee0 00000001 b6e59000 # [ 87.253196] 5f00: c5c81540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.263812] 5f20: 00000000 00000000 c139d890 428ed736 c205dcc0 c2fb4b40 c2fb4b40 c67b4000 # [ 87.274512] 5f40: b6e5a000 00000000 00000000 00000004 c67b5f94 c67b5f60 c059b1c4 c059ab18 # [ 87.285213] 5f60: 00000000 00000000 c67b5fac 428ed736 00000009 00000009 b6fa1e00 00000004 # [ 87.296168] 5f80: c03002e4 c67b4000 c67b5fa4 c67b5f98 c059b254 c059b15c 00000000 c67b5fa8 # [ 87.306868] 5fa0: c03000c0 c059b248 00000009 00000009 00000001 b6e5a000 00000009 00000000 # [ 87.317484] 5fc0: 00000009 00000009 b6fa1e00 00000004 00000001 00000000 00020000 beb6dac4 # [ 87.328269] 5fe0: 00000004 beb6d7f8 b6f0bd8f b6e927e6 800e0030 00000001 00000000 00000000 # [ 87.338003] Backtrace: # [ 87.340506] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.348536] r5:c5ded000 r4:00000028 # [ 87.352145] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.360190] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.368137] r9:c67b5f60 r8:c309cf00 r7:00000009 r6:b6e5a000 r5:c2fb4b40 r4:c0c54a5c # [ 87.375922] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.383783] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e5a000 r5:c2fb4b40 r4:00000000 # [ 87.391560] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.398724] r10:00000004 r9:00000000 r8:00000000 r7:b6e5a000 r6:c67b4000 r5:c2fb4b40 # [ 87.406573] r4:c2fb4b40 # [ 87.409140] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.416305] r9:c6[ 87.903408] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 7b4000 r8:c03002e4 r7:00000004 r6[ 87.910486] lkdtm: attempting bad ro_after_init write at c1b7ec60 :b6fa1e00 r5:00000009 r4:00000009[ 87.919553] 8<--- cut here --- # [ 87.42408[3 ] [8<7c.09525313] Unable to handle kernel paging request at virtual address c1b7ec60 b23c>] (sys_write) [f r o m8 7[.<34615] pgd = 88e20cec c03000c0>] (ret_fast_syscall+0[x 87.939485] [c1b7ec60] *pgd=11a1941e(bad) /0x28) # [ 87.4[3 1 6 7857]. 946185] Internal error: Oops: 80d [#13] SMP ARM xception stack(0xc67b5fa8 to 0xc6[ 87.953225] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 7b5ff0) # [ 87.436754[] 5 f87.984925] CPU: 3 PID: 2436 Comm: cat Tainted: G D W 5.10.181-cip34 #1 0: [ 8 7 .90905087] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00009 00000009 00000001 b6e5a000 [ 88.003620] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 00000009 00000000 # [ 87.44496 88.011787] LR is at __irq_work_queue_local+0x40/0x74 0] 5fc0: 000000[0 9 08080.00010600] pc : [] lr : [] psr: 600e0013 09 b6fa1e00 [0 0 0 08080.0042 70858] sp : c62efe50 ip : c62efd58 fp : c62efe64 000001 0000[0 0 0808 .00030429087] r10: 00000014 r9 : c1acd02c r8 : c15e8da8 00 beb6dac4 #[ [ 8 88.70.42432] r7 : c62eff60 r6 : 00000014 r5 : c5c12000 r4 : c1b7ec60 53159] 5fe0: [0 0 0 08080.0045 0b63] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1acde24 eb6d7f8 b6f0bd8f [b 6 e 98287.e068897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.458[2 3 88]8 .C0o6d8e09] Control: 10c5387d Table: 1633c04a DAC: 00000051 : e34a3bcd e30d[0 e 2 48 8e.3047c759] Process cat (pid: 2436, stack limit = 0xd49e0bc8) 01ac e0233002 ([e 5 8 48380.0008)498] Stack: (0xc62efe50 to 0xc62f0000) # [ 87.464361[] - -8-8[. 089847] fe40: 00000029 c5c12000 c62efe74 c62efe68 nd trace fff92107256d[9 f 0 28 8]100190] fe60: c0c5467c c1388444 c62efe9c c62efe78 c0c54b7c c0c5465c c0c54a5c c2fb4f00 --- # WRITE_RO: miss[i n g 8'8c110619] fe80: b6dc4000 00000014 c309cf00 c62eff60 c62efec4 c62efea0 c07e05cc c0c54a68 all trace:': [FAIL] [n o t 8o8k121046] fea0: 00000000 c2fb4f00 b6dc4000 c2815800 c62eff60 c07e0568 c62eff5c c62efec8 39 selftests: lkd[t m : 8W8R.I131473] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62ee000 E_RO.sh # exit=1 # s[e l f t8e8s141816] fee0: b6dc4000 00020000 00000004 00000014 0001ffec c62efee0 00000001 b6dc3000 ts: lkdtm: WRITE_R[O _ A F8T8E.R152241] ff00: c627cf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 INIT.sh [ 88.162585] ff20: 00000000 00000000 c139d890 6504bce6 c205dcc0 c2fb4f00 c2fb4f00 c62ee000 [ 88.171537] ff40: b6dc4000 00000000 00000000 00000004 c62eff94 c62eff60 c059b1c4 c059ab18 [ 88.179721] ff60: 00000000 00000000 c62effac 6504bce6 00000014 00000014 b6f0be00 00000004 [ 88.187905] ff80: c03002e4 c62ee000 c62effa4 c62eff98 c059b254 c059b15c 00000000 c62effa8 [ 88.196089] ffa0: c03000c0 c059b248 00000014 00000014 00000001 b6dc4000 00000014 00000000 [ 88.204274] ffc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bec9aac4 [ 88.212459] ffe0: 00000004 bec9a7f8 b6e75d8f b6dfc7e6 800e0030 00000001 00000000 00000000 [ 88.220638] Backtrace: [ 88.223105] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.232072] r5:c5c12000 r4:00000029 [ 88.235658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.243678] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.251605] r9:c62eff60 r8:c309cf00 r7:00000014 r6:b6dc4000 r5:c2fb4f00 r4:c0c54a5c [ 88.259362] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 88.267201] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6dc4000 r5:c2fb4f00 r4:00000000 [ 88.274953] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.282097] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c62ee000 r5:c2fb4f00 [ 88.289930] r4:c2fb4f00 [ 88.292472] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.299615] r9:c62ee000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000014 r4:00000014 [ 88.307369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.314942] Exception stack(0xc62effa8 to 0xc62efff0) [ 88.320001] ffa0: 00000014 00000014 00000001 b6dc4000 00000014 00000000 [ 88.328185] ffc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bec9aac4 [ 88.336366] ffe0: 00000004 bec9a7f8 b6e75d8f b6dfc7e6 [ 88.341425] Code: e34a3bcd e30d0e24 e34c01ac e0233002 (e5843000) [ 88.347527] ---[ end trace fff92107256d9f03 ]--- # Segmentation fault # [ 87.903408] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 87.910486] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 87.919553] 8<--- cut here --- # [ 87.925313] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 87.934615] pgd = 88e20cec # [ 87.939485] [c1b7ec60] *pgd=11a1941e(bad) # [ 87.946185] Internal error: Oops: 80d [#13] SMP ARM # [ 87.953225] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 87.984925] CPU: 3 PID: 2436 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 87.995087] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.003620] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 88.011787] LR is at __irq_work_queue_local+0x40/0x74 # [ 88.019600] pc : [] lr : [] psr: 600e0013 # [ 88.027858] sp : c62efe50 ip : c62efd58 fp : c62efe64 # [ 88.034987] r10: 00000014 r9 : c1acd02c r8 : c15e8da8 # [ 88.042032] r7 : c62eff60 r6 : 00000014 r5 : c5c12000 r4 : c1b7ec60 # [ 88.050463] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1acde24 # [ 88.058897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.068109] Control: 10c5387d Table: 1633c04a DAC: 00000051 # [ 88.075759] Process cat (pid: 2436, stack limit = 0xd49e0bc8) # [ 88.083498] Stack: (0xc62efe50 to 0xc62f0000) # [ 88.089847] fe40: 00000029 c5c12000 c62efe74 c62efe68 # [ 88.100190] fe60: c0c5467c c1388444 c62efe9c c62efe78 c0c54b7c c0c5465c c0c54a5c c2fb4f00 # [ 88.110619] fe80: b6dc4000 00000014 c309cf00 c62eff60 c62efec4 c62efea0 c07e05cc c0c54a68 # [ 88.121046] fea0: 00000000 c2fb4f00 b6dc4000 c2815800 c62eff60 c07e0568 c62eff5c c62efec8 # [ 88.131473] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c62ee000 # [ 88.141816] fee0: b6dc4000 00020000 00000004 00000014 0001ffec c62efee0 00000001 b6dc3000 # [ 88.152241] ff00: c627cf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.162585] ff20: 00000000 00000000 c139d890 6504bce6 c205dcc0 c2fb4f00 c2fb4f00 c62ee000 # [ 88.171537] ff40: b6dc4000 00000000 00000000 00000004 c62eff94 c62eff60 c059b1c4 c059ab18 # [ 88.179721] ff60: 00000000 00000000 c62effac 6504bce6 00000014 00000014 b6f0be00 00000004 # [ 88.187905] ff80: c03002e4 c62ee000 c62effa4 c62eff98 c059b254 c059b15c 00000000 c62effa8 # [ 88.196089] ffa0: c03000c0 c059b248 00000014 00000014 00000001 b6dc4000 00000014 00000000 # [ 88.204274] ffc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bec9aac4 # [ 88.212459] ffe0: 00000004 bec9a7f8 b6e75d8f b6dfc7e6 800e0030 00000001 00000000 00000000 # [ 88.220638] Backtrace: # [ 88.223105] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.232072] r5:c5c12000 r4:00000029 # [ 88.235658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.243678] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.251605] r9:c62eff60 r8:c309cf00 r7:00000014 r6:b6dc4000 r5:c2fb4f00 r4:c0c54a5c # [ 88.259362] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.267201] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6dc4000 r5:c2fb4f00 r4:00000000 # [ 88.274953] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.282097] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c62ee000 r5:c2fb4f00 # [ 88.289930] r4:c2fb4f00 # [ [ 88.788257] lkdtm: Performing direct entry WRITE_KERN 88.292472] [][ ( k s88.794229] lkdtm: attempting bad 7548708 byte write at c1388310 s_write) from [] (sys_w[ 88.802757] 8<--- cut here --- rite+0x18/0x1c) # [ 88.[2 9 9 88.808590] Unable to handle kernel paging request at virtual address c1388310 15] r9:c62ee000 r8:c03002e4 r[7 88.818332] pgd = 89826b7c 00000004 r6:b6f0be00 r5:00000014 [ 88.823725] [c1388310] *pgd=1121940e(bad) r4:00000014 # [ 88.307369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28[ 88.869965] CPU: 2 PID: 2510 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ) # [ 88.314942] Excepti[o n 88.880561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) stack(0xc62effa8 to 0xc62efff0) [ 88.889617] PC is at memcpy+0x50/0x330 # [ 88.320001] ffa0: [ 88.896223] LR is at 0xe92dd830 00000014 00000014 00[0 0 88.902223] pc : [] lr : [] psr: 200e0013 001 b6dc4000 00000014 00[0 0 0 088.911089] sp : c5cd1e2c ip : e1a0c00d fp : c5cd1e64 0 # [ 88.328185] ffc0[: 0 088.918742] r10: 0000000b r9 : c1acd040 r8 : e89da800 00014 00000014 b6f0be0[0 0 0808.926397] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 0004 00000001 00000000 [0 0 0 280.935268] r3 : e1a0c00d r2 : 00732e84 r1 : c0c5540c r0 : c1388310 000 bec9aac4 # [ 88.336366] f[ 88.944144] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e0: 00000004 bec9a7f8 b6e[7 5 d 88.954049] Control: 10c5387d Table: 160ac04a DAC: 00000051 f b6dfc7e6 # [ 88.341425] Co[d 88.962229] Process cat (pid: 2510, stack limit = 0x63127e02) e: e34a3bcd e30d0e24 e34c0[1 a c 88.970659] Stack: (0xc5cd1e2c to 0xc5cd2000) e0233002 (e5843000) # [ 88.34[ 88.977540] 1e20: c0c553ec 00732f24 c5cd1f60 c15e8da8 c1388310 7527] ---[ end trace fff92107256d[ 88.988582] 1e40: c1388310 c13884f4 0000002a c64e6000 0000000b c5cd1f60 c5cd1e74 c5cd1e68 9f03 ]--- # WRITE_RO_AFTER_INIT:[ 88.999619] 1e60: c0c5467c c13884b4 c5cd1e9c c5cd1e78 c0c54b7c c0c5465c c0c54a5c c627d180 missing 'call trace:': [FAIL] n[ 89.010661] 1e80: b6e4b000 0000000b c309cf00 c5cd1f60 c5cd1ec4 c5cd1ea0 c07e05cc c0c54a68 ot ok 40 selftests: lkdtm: WRITE_[ 89.021698] 1ea0: 00000000 c627d180 b6e4b000 c2815800 c5cd1f60 c07e0568 c5cd1f5c c5cd1ec8 RO_AFTER_INIT.sh # exit=1 # self[ 89.032737] 1ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c5cd0000 tests: lkdtm: WRITE_KERN.sh [ 89.043780] 1ee0: b6e4b000 00020000 00000004 0000000b 0001fff5 c5cd1ee0 00000001 b6e4a000 [ 89.054469] 1f00: c62d3540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 89.062677] 1f20: 00000000 00000000 c139d890 faf692eb c205dcc0 c627d180 c627d180 c5cd0000 [ 89.070884] 1f40: b6e4b000 00000000 00000000 00000004 c5cd1f94 c5cd1f60 c059b1c4 c059ab18 [ 89.079091] 1f60: 00000000 00000000 c5cd1fac faf692eb 0000000b 0000000b b6f92e00 00000004 [ 89.087298] 1f80: c03002e4 c5cd0000 c5cd1fa4 c5cd1f98 c059b254 c059b15c 00000000 c5cd1fa8 [ 89.095504] 1fa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e4b000 0000000b 00000000 [ 89.103710] 1fc0: 0000000b 0000000b b6f92e00 00000004 00000001 00000000 00020000 bea0eac4 [ 89.111916] 1fe0: 00000004 bea0e7f8 b6efcd8f b6e837e6 800e0030 00000001 00000000 00000000 [ 89.120110] Backtrace: [ 89.122621] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.130832] r7:c5cd1f60 r6:0000000b r5:c64e6000 r4:0000002a [ 89.136524] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.144569] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.152517] r9:c5cd1f60 r8:c309cf00 r7:0000000b r6:b6e4b000 r5:c627d180 r4:c0c54a5c [ 89.160302] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.168164] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e4b000 r5:c627d180 r4:00000000 [ 89.175938] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.183103] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c5cd0000 r5:c627d180 [ 89.190951] r4:c627d180 [ 89.193516] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.200681] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000000b r4:0000000b [ 89.208460] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.216048] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) [ 89.221128] 1fa0: 0000000b 0000000b 00000001 b6e4b000 0000000b 00000000 [ 89.229334] 1fc0: 0000000b 0000000b b6f92e00 00000004 00000001 00000000 00020000 bea0eac4 [ 89.237535] 1fe0: 00000004 bea0e7f8 b6efcd8f b6e837e6 [ 89.242617] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 89.248743] ---[ end trace fff92107256d9f04 ]--- # Segmentation fault # [ 88.788257] lkdtm: Performing direct entry WRITE_KERN # [ 88.794229] lkdtm: attempting bad 7548708 byte write at c1388310 # [ 88.802757] 8<--- cut here --- # [ 88.808590] Unable to handle kernel paging request at virtual address c1388310 # [ 88.818332] pgd = 89826b7c # [ 88.823725] [c1388310] *pgd=1121940e(bad) # [ 88.830606] Internal error: Oops: 80d [#14] SMP ARM # [ 88.838256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 88.869965] CPU: 2 PID: 2510 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 88.880561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.889617] PC is at memcpy+0x50/0x330 # [ 88.896223] LR is at 0xe92dd830 # [ 88.902223] pc : [] lr : [] psr: 200e0013 # [ 88.911089] sp : c5cd1e2c ip : e1a0c00d fp : c5cd1e64 # [ 88.918742] r10: 0000000b r9 : c1acd040 r8 : e89da800 # [ 88.926397] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 88.935268] r3 : e1a0c00d r2 : 00732e84 r1 : c0c5540c r0 : c1388310 # [ 88.944144] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.954049] Control: 10c5387d Table: 160ac04a DAC: 00000051 # [ 88.962229] Process cat (pid: 2510, stack limit = 0x63127e02) # [ 88.970659] Stack: (0xc5cd1e2c to 0xc5cd2000) # [ 88.977540] 1e20: c0c553ec 00732f24 c5cd1f60 c15e8da8 c1388310 # [ 88.988582] 1e40: c1388310 c13884f4 0000002a c64e6000 0000000b c5cd1f60 c5cd1e74 c5cd1e68 # [ 88.999619] 1e60: c0c5467c c13884b4 c5cd1e9c c5cd1e78 c0c54b7c c0c5465c c0c54a5c c627d180 # [ 89.010661] 1e80: b6e4b000 0000000b c309cf00 c5cd1f60 c5cd1ec4 c5cd1ea0 c07e05cc c0c54a68 # [ 89.021698] 1ea0: 00000000 c627d180 b6e4b000 c2815800 c5cd1f60 c07e0568 c5cd1f5c c5cd1ec8 # [ 89.032737] 1ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139d890 c059b1c4 c5cd0000 # [ 89.043780] 1ee0: b6e4b000 00020000 00000004 0000000b 0001fff5 c5cd1ee0 00000001 b6e4a000 # [ 89.054469] 1f00: c62d3540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 89.062677] 1f20: 00000000 00000000 c139d890 faf692eb c205dcc0 c627d180 c627d180 c5cd0000 # [ 89.070884] 1f40: b6e4b000 00000000 00000000 00000004 c5cd1f94 c5cd1f60 c059b1c4 c059ab18 # [ 89.079091] 1f60: 00000000 00000000 c5cd1fac faf692eb 0000000b 0000000b b6f92e00 00000004 # [ 89.087298] 1f80: c03002e4 c5cd0000 c5cd1fa4 c5cd1f98 c059b254 c059b15c 00000000 c5cd1fa8 # [ 89.095504] 1fa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e4b000 0000000b 00000000 # [ 89.103710] 1fc0: 0000000b 0000000b b6f92e00 00000004 00000001 00000000 00020000 bea0eac4 # [ 89.111916] 1fe0: 00000004 bea0e7f8 b6efcd8f b6e837e6 800e0030 00000001 00000000 00000000 # [ 89.120110] Backtrace: # [ 89.122621] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.130832] r7:c5cd1f60 r6:0000000b r5:c64e6000 r4:0000002a # [ 89.136524] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.144569] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.152517] r9:c5cd1f60 r8:c309cf00 r7:0000000b r6:b6e4b000 r5:c627d180 r4:c0c54a5c # [ 89.160302] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.168164] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e4b000 r5:c627d180 r4:00000000 # [ 89.175938] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.706700] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 89.183103] [r 1 0 :8090.07014011] lkdtm: attempting good refcount_inc() without overflow 004 r9:00000000 r8:00000000 r7:b6[ 89.722385] lkdtm: attempting bad refcount_inc() overflow e4b000 r6:c5cd0000 r5:c627d180 #[ 89.730670] ------------[ cut here ]------------ [ 89.190951] r4:c627d180 # [[ 89.738143] WARNING: CPU: 1 PID: 2585 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 89.193516] [] (ksys_[ 89.749369] refcount_t: saturated; leaking memory. write) from [] (sys_wri[ 89.757042] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 te+0x18/0x1c) # [ 89.200681] [ 89.788744] CPU: 1 PID: 2585 Comm: cat Tainted: G D W 5.10.181-cip34 #1 r9:c5cd00[0 0 r889:.c7093903012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e4 r7:00000004 r6[: b 6 f8992.e807575] Backtrace: 0 r5:0000000b r4:0000000b #[ [ 89.812116] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 89.208460] [280] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 ] (sys_write) from [] (show_stack) from [] (dump_stack+0xe0/0x100) 0>] (ret_fast_syscall+0x0[/ 0 x 29.839589] [] (dump_stack) from [] (__warn+0x98/0x14c) 8) # [ 89.[2 1 6 08498.]8 4E8x71] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c ception stack(0xc5cd[1 f a 88 9t.858626] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0xc5cd1ff0[) #89 .[8 6 8 3857] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c5c5c000 .221128] 1fa0: [ 8 9 .875842] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 0000000[b 0 08090.080806965] r9:c1acd04c r8:c15e8da8 r7:c5c5df60 r6:00000016 r5:c5d9b000 r4:c5c5c000 00000001 b6e4b000 000[0 0 0 08b9.896708] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) 00000000 # [ 89.229334] 1[f c 89.908704] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) : 0000000b 0000000[b b 68f99.2921386] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) 00 0000000[4 0 08090.090320618 ] r4:0000002b 00000000 00020000[ b e a809e.a9c6954] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 4 # [ 89.237535] 1fe0[: 0 089.947043] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00004 bea0e7f8 b[6 e f c8d98.f9 57383] r9:c5c5df60 r8:c309cf00 r7:00000016 r6:b6e17000 r5:c599c140 r4:c0c54a5c 6e837e6 # [ 89.2426[1 7 ] 8C9.967211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) de: f5d1f05c f5[d 1 f 0879c. 9e78377] r9:c07e0568 r8:c5c5df60 r7:c2815800 r6:b6e17000 r5:c599c140 r4:00000000 b151f8 e2522020[ ( e 88a90.5918f113] [] (vfs_write) from [] (ksys_write+0x74/0xec) 8) # [ 89.[2 4 8 78493.]9 9-6243] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c5c5c000 r5:c599c140 -[ end [t r a c9e0 .f0f0f69026110 r4:c599c140 7256d9f04 ]--- # [W R I T9E0_.K010248] [] (ksys_write) from [] (sys_write+0x18/0x1c) RN: missing 'c[a l l 9t0r.a0c1e9550] r9:c5c5c000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000016 r4:00000016 ': [FAIL] not ok[ 4 1 9s0e.l0f9290] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) tests: lkdt[ m : 9W0R.I0T3E8_9K35] Exception stack(0xc5c5dfa8 to 0xc5c5dff0) RN.sh # exit=1 [ # s9e0l.0f4t5810] dfa0: 00000016 00000016 00000001 b6e17000 00000016 00000000 sts: lkdtm: REFC[O U N T9_0I.N0C55983] dfc0: 00000016 00000016 b6f5ee00 00000004 00000001 00000000 00020000 bec07ac4 OVERFLOW.s[h 90.066237] dfe0: 00000004 bec077f8 b6ec8d8f b6e4f7e6 [ 90.072487] irq event stamp: 0 [ 90.075590] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.081179] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.088706] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.096230] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.101817] ---[ end trace fff92107256d9f05 ]--- [ 90.106469] lkdtm: Overflow detected: saturated # [ 89.706700] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 89.714011] lkdtm: attempting good refcount_inc() without overflow # [ 89.722385] lkdtm: attempting bad refcount_inc() overflow # [ 89.730670] ------------[ cut here ]------------ # [ 89.738143] WARNING: CPU: 1 PID: 2585 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 89.749369] refcount_t: saturated; leaking memory. # [ 89.757042] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 89.788744] CPU: 1 PID: 2585 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 89.799312] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.807575] Backtrace: # [ 89.812116] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.822280] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 89.829937] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.839589] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.848971] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c # [ 89.858626] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.868357] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c5c5c000 # [ 89.875842] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 89.886965] r9:c1acd04c r8:c15e8da8 r7:c5c5df60 r6:00000016 r5:c5d9b000 r4:c5c5c000 # [ 89.896708] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 89.908704] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 89.921386] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.932680] r4:0000002b # [ 89.936954] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.947043] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.957383] r9:c5c5df60 r8:c309cf00 r7:00000016 r6:b6e17000 r5:c599c140 r4:c0c54a5c # [ 89.967211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.977377] r9:c07e0568 r8:c5c5df60 r7:c2815800 r6:b6e17000 r5:c599c140 r4:00000000 # [ 89.987113] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.996243] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c5c5c000 r5:c599c140 # [ 90.006061] r4:c599c140 # [ 90.010248] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.019550] r9:c5c5c000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000016 r4:00000016 # [ 90.029290] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.038935] Exception stack(0xc5c5dfa8 to 0xc5c5dff0) # [ 90.045810] dfa0: 00000016 00000016 00000001 b6e17000 00000016 00000000 # [ 90.055983] dfc0: 00000016 00000016 b6f5ee00 00000004 00000001 00000000 00020000 bec07ac4 # [ 90.066237] dfe0: 00000004 bec077f8 b6ec8d8f b6e4f7e6 # [ 90.072487] irq event stamp: 0 # [ 90.075590] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.081179] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.088706] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.096230] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.101817] ---[ end trace fff92107256d9f05 ]--- # [ 90.106469[ 90.520207] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ] lkdtm: Overflow detected: satur[ 90.528984] lkdtm: attempting good refcount_add() without overflow ated # REFCOUNT_INC_OVERFLOW: mi[ 90.538037] lkdtm: attempting bad refcount_add() overflow ssing 'call trace:': [FAIL] not [ 90.546279] ------------[ cut here ]------------ ok 42 selftests: lkdtm: REFCOUNT_[ 90.553730] WARNING: CPU: 3 PID: 2619 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 INC_OVERFLOW.sh # exit=1 # selft[ 90.565043] refcount_t: saturated; leaking memory. ests: lkdtm: REFCOUNT_ADD_OVERFLO[ 90.572705] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 W.sh [ 90.604423] CPU: 3 PID: 2619 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 90.612633] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 90.619164] Backtrace: [ 90.621636] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 90.629214] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 90.634885] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 90.642209] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 90.649180] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c [ 90.656934] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 90.664423] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c6344000 [ 90.670093] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 90.679059] r9:c1acd064 r8:c15e8da8 r7:c6345f60 r6:00000016 r5:c2f83000 r4:c6344000 [ 90.686813] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 90.696481] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 90.706580] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.715717] r4:0000002c [ 90.718260] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.726278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.734204] r9:c6345f60 r8:c309cf00 r7:00000016 r6:b6e3c000 r5:c2fb4dc0 r4:c0c54a5c [ 90.741961] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 90.749800] r9:c07e0568 r8:c6345f60 r7:c2815800 r6:b6e3c000 r5:c2fb4dc0 r4:00000000 [ 90.757551] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 90.764693] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6344000 r5:c2fb4dc0 [ 90.772526] r4:c2fb4dc0 [ 90.775069] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 90.782211] r9:c6344000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000016 r4:00000016 [ 90.789966] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 90.797540] Exception stack(0xc6345fa8 to 0xc6345ff0) [ 90.802600] 5fa0: 00000016 00000016 00000001 b6e3c000 00000016 00000000 [ 90.810785] 5fc0: 00000016 00000016 b6f83e00 00000004 00000001 00000000 00020000 bec74ac4 [ 90.818966] 5fe0: 00000004 bec747f8 b6eedd8f b6e747e6 [ 90.824076] irq event stamp: 0 [ 90.827169] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.832758] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.840289] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.847842] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.853434] ---[ end trace fff92107256d9f06 ]--- [ 90.858125] lkdtm: Overflow detected: saturated # [ 90.520207] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 90.528984] lkdtm: attempting good refcount_add() without overflow # [ 90.538037] lkdtm: attempting bad refcount_add() overflow # [ 90.546279] ------------[ cut here ]------------ # [ 90.553730] WARNING: CPU: 3 PID: 2619 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 90.565043] refcount_t: saturated; leaking memory. # [ 90.572705] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 90.604423] CPU: 3 PID: 2619 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 90.612633] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.619164] Backtrace: # [ 90.621636] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.629214] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 90.634885] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.642209] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.649180] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c # [ 90.656934] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.664423] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c6344000 # [ 90.670093] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 90.679059] r9:c1acd064 r8:c15e8da8 r7:c6345f60 r6:00000016 r5:c2f83000 r4:c6344000 # [ 90.686813] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 90.696481] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 90.706580] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.715717] r4:0000002c # [ 90.718260] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.726278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.734204] r9:c6345f60 r8:c309cf00 r7:00000016 r6:b6e3c000 r5:c2fb4dc0 r4:c0c54a5c # [ 90.741961] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.749800] r9:c07e0568 r8:c6345f60 r7:c2815800 r6:b6e3c000 r5:c2fb4dc0 r4:00000000 # [ 90.757551] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.764693] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6344000 r5:c2fb4dc0 # [ 90.772526] r4:c2fb4dc0 # [ 90.775069] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.782211] r9:c6344000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000016 r4:00000016 # [ 90.789966] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.797540] Exception stack(0xc6345fa8 to 0xc6345ff0) # [ 90.802600] 5fa0: 00000016 00000016 00000001 b6e3c000 00000016 00000000 # [ 90.810785] 5fc0: 00000016 00000016 b6f83e00 00000004 00000001 00000000 00020000 bec74ac4 # [ 90.818966] 5fe0: 00000004 bec747f8 b6eedd8f b6e747e6 # [ 90.824076] irq event stamp: 0 # [ 90.827169] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.832758] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.840289] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.847842] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.853434] ---[ end trace fff92107256d9f06 ]--- # [ 90.858125] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missin[ 91.282496] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW g 'call trace:': [FAIL] not ok 4[ 91.290849] lkdtm: attempting bad refcount_inc_not_zero() overflow 3 selftests: lkdtm: REFCOUNT_ADD_[ 91.299905] ------------[ cut here ]------------ OVERFLOW.sh # exit=1 # selftests[ 91.307364] WARNING: CPU: 1 PID: 2653 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 : lkdtm: REFCOUNT_INC_NOT_ZERO_OV[ 91.318627] refcount_t: saturated; leaking memory. ERFLOW.sh [ 91.326279] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 91.356094] CPU: 1 PID: 2653 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 91.363844] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 91.370375] Backtrace: [ 91.372846] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 91.380424] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 91.386097] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 91.393419] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 91.400389] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c [ 91.408142] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 91.415632] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c5b4a000 [ 91.421299] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 91.430266] r9:c1acd07c r8:c15e8da8 r7:c5b4bf60 r6:0000001f r5:c5d82000 r4:7fffffff [ 91.438023] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 91.448470] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 91.460124] r5:c5d82000 r4:c5b4a000 [ 91.463713] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 91.473631] r4:0000002d [ 91.476175] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 91.484192] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 91.492118] r9:c5b4bf60 r8:c309cf00 r7:0000001f r6:b6dd9000 r5:c62d3680 r4:c0c54a5c [ 91.499875] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 91.507712] r9:c07e0568 r8:c5b4bf60 r7:c2815800 r6:b6dd9000 r5:c62d3680 r4:00000000 [ 91.515464] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 91.522607] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5b4a000 r5:c62d3680 [ 91.530439] r4:c62d3680 [ 91.532981] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 91.540123] r9:c5b4a000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:0000001f r4:0000001f [ 91.547877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 91.555451] Exception stack(0xc5b4bfa8 to 0xc5b4bff0) [ 91.560511] bfa0: 0000001f 0000001f 00000001 b6dd9000 0000001f 00000000 [ 91.568695] bfc0: 0000001f 0000001f b6f20e00 00000004 00000001 00000000 00020000 be993ac4 [ 91.576876] bfe0: 00000004 be9937f8 b6e8ad8f b6e117e6 [ 91.581992] irq event stamp: 0 [ 91.585064] hardirqs last enabled at (0): [<00000000>] 0x0 [ 91.590677] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 91.598237] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 91.605792] softirqs last disabled at (0): [<00000000>] 0x0 [ 91.611383] ---[ end trace fff92107256d9f07 ]--- [ 91.616037] lkdtm: Overflow detected: saturated # [ 91.282496] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 91.290849] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 91.299905] ------------[ cut here ]------------ # [ 91.307364] WARNING: CPU: 1 PID: 2653 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 91.318627] refcount_t: saturated; leaking memory. # [ 91.326279] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 91.356094] CPU: 1 PID: 2653 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 91.363844] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.370375] Backtrace: # [ 91.372846] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.380424] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 91.386097] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.393419] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.400389] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c # [ 91.408142] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.415632] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c5b4a000 # [ 91.421299] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 91.430266] r9:c1acd07c r8:c15e8da8 r7:c5b4bf60 r6:0000001f r5:c5d82000 r4:7fffffff # [ 91.438023] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 91.448470] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 91.460124] r5:c5d82000 r4:c5b4a000 # [ 91.463713] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.473631] r4:0000002d # [ 91.476175] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.484192] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.492118] r9:c5b4bf60 r8:c309cf00 r7:0000001f r6:b6dd9000 r5:c62d3680 r4:c0c54a5c # [ 91.499875] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.507712] r9:c07e0568 r8:c5b4bf60 r7:c2815800 r6:b6dd9000 r5:c62d3680 r4:00000000 # [ 91.515464] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.522607] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5b4a000 r5:c62d3680 # [ 91.530439] r4:c62d3680 # [ 91.532981] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.540123] r9:c5b4a000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:0000001f r4:0000001f # [ 91.547877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.555451] Exception stack(0xc5b4bfa8 to 0xc5b4bff0) # [ 91.560511] bfa0: 0000001f 0000001f 00000001 b6dd9000 0000001f 00000000 # [ 91.568695] bfc0: 0000001f 0000001f b6f20e00 00000004 00000001 00000000 00020000 be993ac4 # [ 91.576876] bfe0: 00000004 be9937f8 b6e8ad8f b6e117e6 # [ 91.581992] irq event stamp: 0 # [ 91.585064] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.590677] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.598237] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.605792] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.611383] ---[ end trace fff9[ 92.029397] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 2107256d9f07 ]--- # [ 91.61603[ 92.036621] lkdtm: attempting bad refcount_add_not_zero() overflow 7] lkdtm: Overflow detected: satu[ 92.045672] ------------[ cut here ]------------ rated # REFCOUNT_INC_NOT_ZERO_OV[ 92.053164] WARNING: CPU: 0 PID: 2687 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ERFLOW: missing 'call trace:': [F[ 92.064502] refcount_t: saturated; leaking memory. AIL] not ok 44 selftests: lkdtm:[ 92.072168] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 REFCOUNT_INC_NOT_ZERO_OVERFLOW.s[ 92.103989] CPU: 0 PID: 2687 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 92.114468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 92.121000] Backtrace: [ 92.123471] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 92.131049] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 92.136720] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 92.144044] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 92.151013] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c [ 92.158767] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 92.166255] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c5cd0000 [ 92.171924] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 92.180890] r9:c1acd09c r8:c15e8da8 r7:c5cd1f60 r6:0000001f r5:c6339000 r4:7fffffff [ 92.188649] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 92.199095] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 92.210749] r5:c6339000 r4:c5cd0000 [ 92.214337] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.224255] r4:0000002e [ 92.226798] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.234815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.242740] r9:c5cd1f60 r8:c309cf00 r7:0000001f r6:b6e27000 r5:c2fb5900 r4:c0c54a5c [ 92.250498] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 92.258336] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e27000 r5:c2fb5900 r4:00000000 [ 92.266088] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.273230] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c5cd0000 r5:c2fb5900 [ 92.281062] r4:c2fb5900 [ 92.283604] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.290745] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000001f r4:0000001f [ 92.298500] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.306074] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) [ 92.311135] 1fa0: 0000001f 0000001f 00000001 b6e27000 0000001f 00000000 [ 92.319321] 1fc0: 0000001f 0000001f b6f6ee00 00000004 00000001 00000000 00020000 befe1ac4 [ 92.327502] 1fe0: 00000004 befe17f8 b6ed8d8f b6e5f7e6 h # exit=1 # selftests: lkdtm: R[ 92.332631] irq event stamp: 0 EFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 92.338586] hardirqs last enabled at (0): [<00000000>] 0x0 [ 92.347042] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 92.354590] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 92.362137] softirqs last disabled at (0): [<00000000>] 0x0 [ 92.367745] ---[ end trace fff92107256d9f08 ]--- [ 92.372373] lkdtm: Overflow detected: saturated # [ 92.029397] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 92.036621] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 92.045672] ------------[ cut here ]------------ # [ 92.053164] WARNING: CPU: 0 PID: 2687 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 92.064502] refcount_t: saturated; leaking memory. # [ 92.072168] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 92.103989] CPU: 0 PID: 2687 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 92.114468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.121000] Backtrace: # [ 92.123471] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.131049] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 92.136720] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.144044] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.151013] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c # [ 92.158767] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.166255] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c5cd0000 # [ 92.171924] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 92.180890] r9:c1acd09c r8:c15e8da8 r7:c5cd1f60 r6:0000001f r5:c6339000 r4:7fffffff # [ 92.188649] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 92.199095] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 92.210749] r5:c6339000 r4:c5cd0000 # [ 92.214337] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.224255] r4:0000002e # [ 92.226798] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.234815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.242740] r9:c5cd1f60 r8:c309cf00 r7:0000001f r6:b6e27000 r5:c2fb5900 r4:c0c54a5c # [ 92.250498] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.258336] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e27000 r5:c2fb5900 r4:00000000 # [ 92.266088] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.273230] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c5cd0000 r5:c2fb5900 # [ 92.281062] r4:c2fb5900 # [ 92.283604] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.290745] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000001f r4:0000001f # [ 92.298500] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.306074] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) # [ 92.311135] 1fa0: 0000001f 0000001f 00000001 b6e27000 0000001f 00000000 # [ 92.319321] 1fc0: 0000001f 0000001f b6f6ee00 00000004 00000001 00000000 00020000 befe1ac4 # [ 92.327502] 1fe0: 00000004 befe17f8 b6ed8d8f b6e5f7e6 # [ 92.332631] irq event stamp: 0 # [ 92.338586] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.347042] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.354590] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.362137] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.367745] ---[ end trace fff92107256d9f08 ]--- # [ 92.372373] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # ex[ 92.811691] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO it=1 # selftests: lkdtm: REFCOUN[ 92.818403] lkdtm: attempting good refcount_dec() T_DEC_ZERO.sh [ 92.826010] lkdtm: attempting bad refcount_dec() to zero [ 92.832534] ------------[ cut here ]------------ [ 92.837218] WARNING: CPU: 3 PID: 2721 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 92.845699] refcount_t: decrement hit 0; leaking memory. [ 92.851021] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 92.880182] CPU: 3 PID: 2721 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 92.887933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 92.894466] Backtrace: [ 92.896938] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 92.904518] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 92.910190] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 92.917512] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 92.924484] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2107c [ 92.932236] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 92.939725] r7:0000001f r6:c1a2107c r5:c1a210e0 r4:c62ee000 [ 92.945395] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 92.954361] r9:c1acd0bc r8:c15e8da8 r7:c62eff60 r6:00000012 r5:c5c12000 r4:c62ee000 [ 92.962118] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 92.971783] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 92.981536] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.990324] r4:0000002f [ 92.992867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 93.000885] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 93.008813] r9:c62eff60 r8:c309cf00 r7:00000012 r6:b6de7000 r5:c5974dc0 r4:c0c54a5c [ 93.016570] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 93.024409] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6de7000 r5:c5974dc0 r4:00000000 [ 93.032160] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 93.039303] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c62ee000 r5:c5974dc0 [ 93.047135] r4:c5974dc0 [ 93.049678] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 93.056820] r9:c62ee000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000012 r4:00000012 [ 93.064575] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 93.072150] Exception stack(0xc62effa8 to 0xc62efff0) [ 93.077208] ffa0: 00000012 00000012 00000001 b6de7000 00000012 00000000 [ 93.085393] ffc0: 00000012 00000012 b6f2ee00 00000004 00000001 00000000 00020000 bed15ac4 [ 93.093575] ffe0: 00000004 bed157f8 b6e98d8f b6e1f7e6 [ 93.098707] irq event stamp: 0 [ 93.101780] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.107396] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 93.114914] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 93.122466] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.128106] ---[ end trace fff92107256d9f09 ]--- [ 93.132760] lkdtm: Zero detected: saturated # [ 92.811691] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 92.818403] lkdtm: attempting good refcount_dec() # [ 92.826010] lkdtm: attempting bad refcount_dec() to zero # [ 92.832534] ------------[ cut here ]------------ # [ 92.837218] WARNING: CPU: 3 PID: 2721 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 92.845699] refcount_t: decrement hit 0; leaking memory. # [ 92.851021] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 92.880182] CPU: 3 PID: 2721 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 92.887933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.894466] Backtrace: # [ 92.896938] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.904518] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 92.910190] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.917512] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.924484] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2107c # [ 92.932236] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.939725] r7:0000001f r6:c1a2107c r5:c1a210e0 r4:c62ee000 # [ 92.945395] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 92.954361] r9:c1acd0bc r8:c15e8da8 r7:c62eff60 r6:00000012 r5:c5c12000 r4:c62ee000 # [ 92.962118] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 92.971783] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 92.981536] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.990324] r4:0000002f # [ 92.992867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.000885] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.008813] r9:c62eff60 r8:c309cf00 r7:00000012 r6:b6de7000 r5:c5974dc0 r4:c0c54a5c # [ 93.016570] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.024409] r9:c07e0568 r8:c62eff60 r7:c2815800 r6:b6de7000 r5:c5974dc0 r4:00000000 # [ 93.032160] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.039303] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c62ee000 r5:c5974dc0 # [ 93.047135] r4:c5974dc0 # [ 93.049678] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.056820] r9:c62ee000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000012 r4:00000012 # [ 93.064575] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.072150] Exception stack(0xc62effa8 to 0xc62efff0) # [ 93.077208] ffa0: 00000012 00000012 00000001 b6de7000 00000012 00000000 # [ 93.085393] ffc0: 00000012 00000012 b6f2ee00 00000004 00000001 00000000 00020000 bed15ac4 # [ 93.093575] ffe0: 00000004 bed157f8 b6e98d8f b6e1f7e6 # [ 93.098707] irq event stamp: 0 # [ 93.101780] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.107396] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.114914] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.122466] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.128106] ---[ end trace fff92107256d9f09 ]--- # [ 93.132760] 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 [ 93.584083] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 93.590175] lkdtm: attempting bad refcount_dec() below zero [ 93.595906] ------------[ cut here ]------------ [ 93.600576] WARNING: CPU: 2 PID: 2758 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 93.609055] refcount_t: decrement hit 0; leaking memory. [ 93.614377] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 93.643546] CPU: 2 PID: 2758 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 93.651294] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 93.657827] Backtrace: [ 93.660296] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 93.667875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 93.673546] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 93.680868] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 93.687838] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2107c [ 93.695590] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 93.703078] r7:0000001f r6:c1a2107c r5:c1a210e0 r4:c67b4000 [ 93.708747] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 93.717713] r9:c1acd0d0 r8:c15e8da8 r7:c67b5f60 r6:00000016 r5:00000000 r4:c67b4000 [ 93.725471] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 93.735136] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 93.745234] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 93.754370] r5:c6621000 r4:00000030 [ 93.757955] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 93.765972] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 93.773896] r9:c67b5f60 r8:c309cf00 r7:00000016 r6:b6e7a000 r5:c5a508c0 r4:c0c54a5c [ 93.781653] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 93.789493] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e7a000 r5:c5a508c0 r4:00000000 [ 93.797244] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 93.804387] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c67b4000 r5:c5a508c0 [ 93.812220] r4:c5a508c0 [ 93.814763] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 93.821906] r9:c67b4000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000016 r4:00000016 [ 93.829660] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 93.837234] Exception stack(0xc67b5fa8 to 0xc67b5ff0) [ 93.842294] 5fa0: 00000016 00000016 00000001 b6e7a000 00000016 00000000 [ 93.850479] 5fc0: 00000016 00000016 b6fc1e00 00000004 00000001 00000000 00020000 befdbac4 [ 93.858662] 5fe0: 00000004 befdb7f8 b6f2bd8f b6eb27e6 [ 93.863777] irq event stamp: 0 [ 93.866871] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.872459] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 93.879995] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 93.887564] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.893173] ---[ end trace fff92107256d9f0a ]--- [ 93.897840] lkdtm: Negative detected: saturated # [ 93.584083] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 93.590175] lkdtm: attempting bad refcount_dec() below zero # [ 93.595906] ------------[ cut here ]------------ # [ 93.600576] WARNING: CPU: 2 PID: 2758 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 93.609055] refcount_t: decrement hit 0; leaking memory. # [ 93.614377] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 93.643546] CPU: 2 PID: 2758 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 93.651294] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.657827] Backtrace: # [ 93.660296] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.667875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 93.673546] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.680868] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.687838] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2107c # [ 93.695590] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.703078] r7:0000001f r6:c1a2107c r5:c1a210e0 r4:c67b4000 # [ 93.708747] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 93.717713] r9:c1acd0d0 r8:c15e8da8 r7:c67b5f60 r6:00000016 r5:00000000 r4:c67b4000 # [ 93.725471] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 93.735136] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 93.745234] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.754370] r5:c6621000 r4:00000030 # [ 93.757955] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.765972] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.773896] r9:c67b5f60 r8:c309cf00 r7:00000016 r6:b6e7a000 r5:c5a508c0 r4:c0c54a5c # [ 93.781653] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.789493] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e7a000 r5:c5a508c0 r4:00000000 # [ 93.797244] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.804387] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c67b4000 r5:c5a508c0 # [ 93.812220] r4:c5a508c0 # [ 93.814763] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.821906] r9:c67b4000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000016 r4:00000016 # [ 93.829660] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.837234] Exception stack(0xc67b5fa8 to 0xc67b5ff0) # [ 93.842294] 5fa0: 00000016 00000016 00000001 b6e7a000 00000016 00000000 # [ 93.850479] 5fc0: 00000016 00000016 b6fc1e00 00000004 00000001 00000000 00020000 befdbac4 # [ 93.858662] 5fe0: 00000004 befdb7f8 b6f2bd8f b6eb27e6 # [ 93.863777] irq event stamp: 0 # [ 93.866871] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.872459] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.879995] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.887564] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.893173] ---[ end trace fff92107256d9f0a ]--- # [ 93.897840] 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 [ 94.348818] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 94.355678] lkdtm: attempting bad refcount_dec_and_test() below zero [ 94.362048] ------------[ cut here ]------------ [ 94.366802] WARNING: CPU: 2 PID: 2793 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 94.375407] refcount_t: underflow; use-after-free. [ 94.380210] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 94.409368] CPU: 2 PID: 2793 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 94.417118] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.423653] Backtrace: [ 94.426124] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 94.433702] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 94.439373] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 94.446697] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 94.453667] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c [ 94.461421] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 94.468909] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c6084000 [ 94.474579] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 94.483632] r9:c1acd0e8 r8:c15e8da8 r7:c6085f60 r6:0000001f r5:00000000 r4:c6084000 [ 94.491387] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 94.501838] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 94.513502] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 94.523419] r5:c6622000 r4:00000031 [ 94.527004] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 94.535021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 94.542947] r9:c6085f60 r8:c309cf00 r7:0000001f r6:b6e75000 r5:c5a51e00 r4:c0c54a5c [ 94.550705] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 94.558542] r9:c07e0568 r8:c6085f60 r7:c2815800 r6:b6e75000 r5:c5a51e00 r4:00000000 [ 94.566292] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 94.573436] r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c6084000 r5:c5a51e00 [ 94.581268] r4:c5a51e00 [ 94.583813] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 94.590955] r9:c6084000 r8:c03002e4 r7:00000004 r6:b6fbce00 r5:0000001f r4:0000001f [ 94.598709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 94.606283] Exception stack(0xc6085fa8 to 0xc6085ff0) [ 94.611346] 5fa0: 0000001f 0000001f 00000001 b6e75000 0000001f 00000000 [ 94.619531] 5fc0: 0000001f 0000001f b6fbce00 00000004 00000001 00000000 00020000 bead1ac4 [ 94.627713] 5fe0: 00000004 bead17f8 b6f26d8f b6ead7e6 [ 94.632824] irq event stamp: 0 [ 94.635917] hardirqs last enabled at (0): [<00000000>] 0x0 [ 94.641505] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 94.649033] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 94.656560] softirqs last disabled at (0): [<00000000>] 0x0 [ 94.662166] ---[ end trace fff92107256d9f0b ]--- [ 94.666839] lkdtm: Negative detected: saturated # [ 94.348818] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 94.355678] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 94.362048] ------------[ cut here ]------------ # [ 94.366802] WARNING: CPU: 2 PID: 2793 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 94.375407] refcount_t: underflow; use-after-free. # [ 94.380210] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 94.409368] CPU: 2 PID: 2793 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 94.417118] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.423653] Backtrace: # [ 94.426124] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.433702] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 94.439373] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.446697] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.453667] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c # [ 94.461421] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.468909] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c6084000 # [ 94.474579] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 94.483632] r9:c1acd0e8 r8:c15e8da8 r7:c6085f60 r6:0000001f r5:00000000 r4:c6084000 # [ 94.491387] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 94.501838] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 94.513502] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.523419] r5:c6622000 r4:00000031 # [ 94.527004] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.535021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.542947] r9:c6085f60 r8:c309cf00 r7:0000001f r6:b6e75000 r5:c5a51e00 r4:c0c54a5c # [ 94.550705] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.558542] r9:c07e0568 r8:c6085f60 r7:c2815800 r6:b6e75000 r5:c5a51e00 r4:00000000 # [ 94.566292] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.573436] r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c6084000 r5:c5a51e00 # [ 94.581268] r4:c5a51e00 # [ 94.583813] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.590955] r9:c6084000 r8:c03002e4 r7:00000004 r6:b6fbce00 r5:0000001f r4:0000001f # [ 94.598709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.606283] Exception stack(0xc6085fa8 to 0xc6085ff0) # [ 94.611346] 5fa0: 0000001f 0000001f 00000001 b6e75000 0000001f 00000000 # [ 94.619531] 5fc0: 0000001f 0000001f b6fbce00 00000004 00000001 00000000 00020000 bead1ac4 # [ 94.627713] 5fe0: 00000004 bead17f8 b6f26d8f b6ead7e6 # [ 94.632824] irq event stamp: 0 # [ 94.635917] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.641505] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.649033] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.656560] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.662166] ---[ end trace fff92107256d9f0b ]--- # [ 94.666839] 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 [ 95.131109] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 95.137989] lkdtm: attempting bad refcount_sub_and_test() below zero [ 95.144360] ------------[ cut here ]------------ [ 95.149116] WARNING: CPU: 3 PID: 2828 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 95.157710] refcount_t: underflow; use-after-free. [ 95.162512] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 95.191672] CPU: 3 PID: 2828 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 95.199422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.205956] Backtrace: [ 95.208427] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.216007] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 95.221678] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.229002] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 95.235971] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c [ 95.243723] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 95.251212] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c5ce2000 [ 95.256882] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 95.265935] r9:c1acd108 r8:c15e8da8 r7:c5ce3f60 r6:0000001f r5:c5c12000 r4:c5ce2000 [ 95.273692] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 95.284142] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 95.295803] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.305719] r4:00000032 [ 95.308262] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.316279] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.324204] r9:c5ce3f60 r8:c309cf00 r7:0000001f r6:b6dd4000 r5:c5a50b40 r4:c0c54a5c [ 95.331962] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 95.339800] r9:c07e0568 r8:c5ce3f60 r7:c2815800 r6:b6dd4000 r5:c5a50b40 r4:00000000 [ 95.347551] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.354694] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c5ce2000 r5:c5a50b40 [ 95.362526] r4:c5a50b40 [ 95.365068] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.372210] r9:c5ce2000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:0000001f r4:0000001f [ 95.379964] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.387538] Exception stack(0xc5ce3fa8 to 0xc5ce3ff0) [ 95.392599] 3fa0: 0000001f 0000001f 00000001 b6dd4000 0000001f 00000000 [ 95.400786] 3fc0: 0000001f 0000001f b6f1be00 00000004 00000001 00000000 00020000 be84eac4 [ 95.408970] 3fe0: 00000004 be84e7f8 b6e85d8f b6e0c7e6 [ 95.414083] irq event stamp: 0 [ 95.417174] hardirqs last enabled at (0): [<00000000>] 0x0 [ 95.422761] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 95.430328] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 95.437878] softirqs last disabled at (0): [<00000000>] 0x0 [ 95.443470] ---[ end trace fff92107256d9f0c ]--- [ 95.448132] lkdtm: Negative detected: saturated # [ 95.131109] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 95.137989] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 95.144360] ------------[ cut here ]------------ # [ 95.149116] WARNING: CPU: 3 PID: 2828 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 95.157710] refcount_t: underflow; use-after-free. # [ 95.162512] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 95.191672] CPU: 3 PID: 2828 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 95.199422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.205956] Backtrace: # [ 95.208427] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.216007] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 95.221678] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.229002] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.235971] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c # [ 95.243723] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.251212] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c5ce2000 # [ 95.256882] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 95.265935] r9:c1acd108 r8:c15e8da8 r7:c5ce3f60 r6:0000001f r5:c5c12000 r4:c5ce2000 # [ 95.273692] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 95.284142] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 95.295803] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.305719] r4:00000032 # [ 95.308262] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.316279] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.324204] r9:c5ce3f60 r8:c309cf00 r7:0000001f r6:b6dd4000 r5:c5a50b40 r4:c0c54a5c # [ 95.331962] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.339800] r9:c07e0568 r8:c5ce3f60 r7:c2815800 r6:b6dd4000 r5:c5a50b40 r4:00000000 # [ 95.347551] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.354694] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c5ce2000 r5:c5a50b40 # [ 95.362526] r4:c5a50b40 # [ 95.365068] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.372210] r9:c5ce2000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:0000001f r4:0000001f # [ 95.379964] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.387538] Exception stack(0xc5ce3fa8 to 0xc5ce3ff0) # [ 95.392599] 3fa0: 0000001f 0000001f 00000001 b6dd4000 0000001f 00000000 # [ 95.400786] 3fc0: 0000001f 0000001f b6f1be00 00000004 00000001 00000000 00020000 be84eac4 # [ 95.408970] 3fe0: 00000004 be84e7f8 b6e85d8f b6e0c7e6 # [ 95.414083] irq event stamp: 0 # [ 95.417174] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.422761] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.430328] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.437878] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.443470] ---[ end trace fff92107256d9f0c ]--- # [ 95.448132] 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 [ 95.897687] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 95.903370] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 95.909821] lkdtm: Good: zero detected [ 95.913586] lkdtm: Correctly stayed at zero [ 95.917819] lkdtm: attempting bad refcount_inc() from zero [ 95.923321] ------------[ cut here ]------------ [ 95.928094] WARNING: CPU: 2 PID: 2860 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 95.936679] refcount_t: addition on 0; use-after-free. [ 95.941826] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 95.970992] CPU: 2 PID: 2860 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 95.978743] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.985275] Backtrace: [ 95.987747] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.995324] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 96.000998] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.008322] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.015295] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2107c [ 96.023048] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.030537] r7:00000019 r6:c1a2107c r5:c1a2108c r4:c64fa000 [ 96.036207] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 96.045259] r9:c1acd128 r8:c15e8da8 r7:c64fbf60 r6:00000012 r5:00000000 r4:c64fa000 [ 96.053015] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 96.062684] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 96.072435] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 96.081224] r5:c6625000 r4:00000033 [ 96.084810] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.092827] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 96.100752] r9:c64fbf60 r8:c309cf00 r7:00000012 r6:b6dba000 r5:c5a508c0 r4:c0c54a5c [ 96.108508] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 96.116346] r9:c07e0568 r8:c64fbf60 r7:c2815800 r6:b6dba000 r5:c5a508c0 r4:00000000 [ 96.124098] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 96.131239] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c64fa000 r5:c5a508c0 [ 96.139072] r4:c5a508c0 [ 96.141614] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.148758] r9:c64fa000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:00000012 r4:00000012 [ 96.156511] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.164085] Exception stack(0xc64fbfa8 to 0xc64fbff0) [ 96.169145] bfa0: 00000012 00000012 00000001 b6dba000 00000012 00000000 [ 96.177332] bfc0: 00000012 00000012 b6f01e00 00000004 00000001 00000000 00020000 be9d4ac4 [ 96.185515] bfe0: 00000004 be9d47f8 b6e6bd8f b6df27e6 [ 96.190640] irq event stamp: 0 [ 96.193714] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.199331] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 96.206883] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 96.214390] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.220036] ---[ end trace fff92107256d9f0d ]--- [ 96.224677] lkdtm: Zero detected: saturated # [ 95.897687] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 95.903370] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 95.909821] lkdtm: Good: zero detected # [ 95.913586] lkdtm: Correctly stayed at zero # [ 95.917819] lkdtm: attempting bad refcount_inc() from zero # [ 95.923321] ------------[ cut here ]------------ # [ 95.928094] WARNING: CPU: 2 PID: 2860 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 95.936679] refcount_t: addition on 0; use-after-free. # [ 95.941826] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 95.970992] CPU: 2 PID: 2860 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 95.978743] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.985275] Backtrace: # [ 95.987747] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.995324] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 96.000998] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.008322] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.015295] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2107c # [ 96.023048] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.030537] r7:00000019 r6:c1a2107c r5:c1a2108c r4:c64fa000 # [ 96.036207] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 96.045259] r9:c1acd128 r8:c15e8da8 r7:c64fbf60 r6:00000012 r5:00000000 r4:c64fa000 # [ 96.053015] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 96.062684] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 96.072435] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.081224] r5:c6625000 r4:00000033 # [ 96.084810] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.092827] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.100752] r9:c64fbf60 r8:c309cf00 r7:00000012 r6:b6dba000 r5:c5a508c0 r4:c0c54a5c # [ 96.108508] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.116346] r9:c07e0568 r8:c64fbf60 r7:c2815800 r6:b6dba000 r5:c5a508c0 r4:00000000 # [ 96.124098] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.131239] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c64fa000 r5:c5a508c0 # [ 96.139072] r4:c5a508c0 # [ 96.141614] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.148758] r9:c64fa000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:00000012 r4:00000012 # [ 96.156511] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.164085] Exception stack(0xc64fbfa8 to 0xc64fbff0) # [ 96.169145] bfa0: 00000012 00000012 00000001 b6dba000 00000012 00000000 # [ 96.177332] bfc0: 00000012 00000012 b6f01e00 00000004 00000001 00000000 00020000 be9d4ac4 # [ 96.185515] bfe0: 00000004 be9d47f8 b6e6bd8f b6df27e6 # [ 96.190640] irq event stamp: 0 # [ 96.193714] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.199331] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.206883] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.214390] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.220036] ---[ end trace fff92107256d9f0d ]--- # [ 96.224677] 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 [ 96.675116] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 96.682407] lkdtm: attempting safe refcount_add_not_zero() from zero [ 96.688901] lkdtm: Good: zero detected [ 96.692689] lkdtm: Correctly stayed at zero [ 96.696911] lkdtm: attempting bad refcount_add() from zero [ 96.702407] ------------[ cut here ]------------ [ 96.707074] WARNING: CPU: 0 PID: 2894 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 96.715714] refcount_t: addition on 0; use-after-free. [ 96.720864] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 96.750028] CPU: 0 PID: 2894 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 96.757779] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 96.764312] Backtrace: [ 96.766784] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 96.774362] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 96.780034] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.787356] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.794326] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2107c [ 96.802078] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.809566] r7:00000019 r6:c1a2107c r5:c1a2108c r4:c5b18000 [ 96.815235] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 96.824287] r9:c1acd13c r8:c15e8da8 r7:c5b19f60 r6:00000012 r5:00000000 r4:c5b18000 [ 96.832041] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 96.841710] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 96.851461] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 96.860249] r5:c4797000 r4:00000034 [ 96.863835] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.871851] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 96.879776] r9:c5b19f60 r8:c309cf00 r7:00000012 r6:b6e5c000 r5:c2fb4780 r4:c0c54a5c [ 96.887533] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 96.895371] r9:c07e0568 r8:c5b19f60 r7:c2815800 r6:b6e5c000 r5:c2fb4780 r4:00000000 [ 96.903121] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 96.910265] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c5b18000 r5:c2fb4780 [ 96.918098] r4:c2fb4780 [ 96.920640] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.927783] r9:c5b18000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:00000012 r4:00000012 [ 96.935537] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.943110] Exception stack(0xc5b19fa8 to 0xc5b19ff0) [ 96.948171] 9fa0: 00000012 00000012 00000001 b6e5c000 00000012 00000000 [ 96.956356] 9fc0: 00000012 00000012 b6fa3e00 00000004 00000001 00000000 00020000 be80cac4 [ 96.964540] 9fe0: 00000004 be80c7f8 b6f0dd8f b6e947e6 [ 96.969629] irq event stamp: 0 [ 96.972703] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.978315] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 96.985889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 96.993392] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.999003] ---[ end trace fff92107256d9f0e ]--- [ 97.003634] lkdtm: Zero detected: saturated # [ 96.675116] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 96.682407] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 96.688901] lkdtm: Good: zero detected # [ 96.692689] lkdtm: Correctly stayed at zero # [ 96.696911] lkdtm: attempting bad refcount_add() from zero # [ 96.702407] ------------[ cut here ]------------ # [ 96.707074] WARNING: CPU: 0 PID: 2894 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 96.715714] refcount_t: addition on 0; use-after-free. # [ 96.720864] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 96.750028] CPU: 0 PID: 2894 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 96.757779] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.764312] Backtrace: # [ 96.766784] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.774362] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 96.780034] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.787356] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.794326] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2107c # [ 96.802078] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.809566] r7:00000019 r6:c1a2107c r5:c1a2108c r4:c5b18000 # [ 96.815235] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 96.824287] r9:c1acd13c r8:c15e8da8 r7:c5b19f60 r6:00000012 r5:00000000 r4:c5b18000 # [ 96.832041] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 96.841710] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 96.851461] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.860249] r5:c4797000 r4:00000034 # [ 96.863835] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.871851] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.879776] r9:c5b19f60 r8:c309cf00 r7:00000012 r6:b6e5c000 r5:c2fb4780 r4:c0c54a5c # [ 96.887533] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.895371] r9:c07e0568 r8:c5b19f60 r7:c2815800 r6:b6e5c000 r5:c2fb4780 r4:00000000 # [ 96.903121] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.910265] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c5b18000 r5:c2fb4780 # [ 96.918098] r4:c2fb4780 # [ 96.920640] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.927783] r9:c5b18000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:00000012 r4:00000012 # [ 96.935537] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.943110] Exception stack(0xc5b19fa8 to 0xc5b19ff0) # [ 96.948171] 9fa0: 00000012 00000012 00000001 b6e5c000 00000012 00000000 # [ 96.956356] 9fc0: 00000012 00000012 b6fa3e00 00000004 00000001 00000000 00020000 be80cac4 # [ 96.964540] 9fe0: 00000004 be80c7f8 b6f0dd8f b6e947e6 # [ 96.969629] irq event stamp: 0 # [ 96.972703] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.978315] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.985889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.993392] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.999003] ---[ end trace fff92107256d9f0e ]--- # [ 97.003634] 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 [ 97.468430] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 97.474549] lkdtm: attempting bad refcount_inc() from saturated [ 97.480568] ------------[ cut here ]------------ [ 97.485293] WARNING: CPU: 2 PID: 2931 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 97.493797] refcount_t: saturated; leaking memory. [ 97.498712] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 97.528236] CPU: 2 PID: 2931 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 97.535989] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.542521] Backtrace: [ 97.544992] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.552571] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 97.558243] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.565567] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 97.572537] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c [ 97.580292] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 97.587782] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c6764000 [ 97.593453] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 97.602419] r9:c1acd150 r8:c15e8da8 r7:c6765f60 r6:00000017 r5:c660a000 r4:c6764000 [ 97.610175] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 97.619847] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 97.630031] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.639253] r4:00000035 [ 97.641796] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.649814] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.657741] r9:c6765f60 r8:c309cf00 r7:00000017 r6:b6dc4000 r5:c5a50000 r4:c0c54a5c [ 97.665499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 97.673338] r9:c07e0568 r8:c6765f60 r7:c2815800 r6:b6dc4000 r5:c5a50000 r4:00000000 [ 97.681089] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.688233] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c6764000 r5:c5a50000 [ 97.696067] r4:c5a50000 [ 97.698608] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.705750] r9:c6764000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000017 r4:00000017 [ 97.713504] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.721078] Exception stack(0xc6765fa8 to 0xc6765ff0) [ 97.726139] 5fa0: 00000017 00000017 00000001 b6dc4000 00000017 00000000 [ 97.734326] 5fc0: 00000017 00000017 b6f0be00 00000004 00000001 00000000 00020000 bef67ac4 [ 97.742508] 5fe0: 00000004 bef677f8 b6e75d8f b6dfc7e6 [ 97.747621] irq event stamp: 0 [ 97.750694] hardirqs last enabled at (0): [<00000000>] 0x0 [ 97.756308] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 97.763805] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 97.771327] softirqs last disabled at (0): [<00000000>] 0x0 [ 97.776935] ---[ end trace fff92107256d9f0f ]--- [ 97.781563] lkdtm: Saturation detected: still saturated # [ 97.468430] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 97.474549] lkdtm: attempting bad refcount_inc() from saturated # [ 97.480568] ------------[ cut here ]------------ # [ 97.485293] WARNING: CPU: 2 PID: 2931 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 97.493797] refcount_t: saturated; leaking memory. # [ 97.498712] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 97.528236] CPU: 2 PID: 2931 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 97.535989] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.542521] Backtrace: # [ 97.544992] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.552571] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 97.558243] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.565567] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.572537] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c # [ 97.580292] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.587782] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c6764000 # [ 97.593453] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 97.602419] r9:c1acd150 r8:c15e8da8 r7:c6765f60 r6:00000017 r5:c660a000 r4:c6764000 # [ 97.610175] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 97.619847] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 97.630031] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.639253] r4:00000035 # [ 97.641796] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.649814] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.657741] r9:c6765f60 r8:c309cf00 r7:00000017 r6:b6dc4000 r5:c5a50000 r4:c0c54a5c # [ 97.665499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.673338] r9:c07e0568 r8:c6765f60 r7:c2815800 r6:b6dc4000 r5:c5a50000 r4:00000000 # [ 97.681089] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.688233] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c6764000 r5:c5a50000 # [ 97.696067] r4:c5a50000 # [ 97.698608] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.705750] r9:c6764000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000017 r4:00000017 # [ 97.713504] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.721078] Exception stack(0xc6765fa8 to 0xc6765ff0) # [ 97.726139] 5fa0: 00000017 00000017 00000001 b6dc4000 00000017 00000000 # [ 97.734326] 5fc0: 00000017 00000017 b6f0be00 00000004 00000001 00000000 00020000 bef67ac4 # [ 97.742508] 5fe0: 00000004 bef677f8 b6e75d8f b6dfc7e6 # [ 97.747621] irq event stamp: 0 # [ 97.750694] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.756308] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.763805] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.771327] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.776935] ---[ end trace fff92107256d9f0f ]--- # [ 97.781563] 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 [ 98.264286] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 98.270466] lkdtm: attempting bad refcount_dec() from saturated [ 98.276545] ------------[ cut here ]------------ [ 98.281215] WARNING: CPU: 0 PID: 2966 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 98.289695] refcount_t: decrement hit 0; leaking memory. [ 98.295017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 98.324293] CPU: 0 PID: 2966 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 98.332043] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.338576] Backtrace: [ 98.341047] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.348625] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 98.354296] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.361619] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 98.368589] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2107c [ 98.376341] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 98.383830] r7:0000001f r6:c1a2107c r5:c1a210e0 r4:c5cd0000 [ 98.389499] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 98.398465] r9:c1acd168 r8:c15e8da8 r7:c5cd1f60 r6:00000017 r5:c6142000 r4:c5cd0000 [ 98.406222] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 98.415888] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 98.426076] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.435298] r4:00000036 [ 98.437842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.445859] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.453784] r9:c5cd1f60 r8:c309cf00 r7:00000017 r6:b6e55000 r5:c2fb4000 r4:c0c54a5c [ 98.461540] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 98.469377] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e55000 r5:c2fb4000 r4:00000000 [ 98.477127] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.484272] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c5cd0000 r5:c2fb4000 [ 98.492104] r4:c2fb4000 [ 98.494646] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.501788] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000017 r4:00000017 [ 98.509542] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.517116] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) [ 98.522176] 1fa0: 00000017 00000017 00000001 b6e55000 00000017 00000000 [ 98.530363] 1fc0: 00000017 00000017 b6f9ce00 00000004 00000001 00000000 00020000 bedd5ac4 [ 98.538547] 1fe0: 00000004 bedd57f8 b6f06d8f b6e8d7e6 [ 98.543638] irq event stamp: 0 [ 98.546730] hardirqs last enabled at (0): [<00000000>] 0x0 [ 98.552318] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 98.559879] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 98.567430] softirqs last disabled at (0): [<00000000>] 0x0 [ 98.573016] ---[ end trace fff92107256d9f10 ]--- [ 98.577667] lkdtm: Saturation detected: still saturated # [ 98.264286] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 98.270466] lkdtm: attempting bad refcount_dec() from saturated # [ 98.276545] ------------[ cut here ]------------ # [ 98.281215] WARNING: CPU: 0 PID: 2966 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 98.289695] refcount_t: decrement hit 0; leaking memory. # [ 98.295017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 98.324293] CPU: 0 PID: 2966 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 98.332043] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.338576] Backtrace: # [ 98.341047] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.348625] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 98.354296] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.361619] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.368589] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2107c # [ 98.376341] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.383830] r7:0000001f r6:c1a2107c r5:c1a210e0 r4:c5cd0000 # [ 98.389499] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 98.398465] r9:c1acd168 r8:c15e8da8 r7:c5cd1f60 r6:00000017 r5:c6142000 r4:c5cd0000 # [ 98.406222] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 98.415888] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 98.426076] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.435298] r4:00000036 # [ 98.437842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.445859] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.453784] r9:c5cd1f60 r8:c309cf00 r7:00000017 r6:b6e55000 r5:c2fb4000 r4:c0c54a5c # [ 98.461540] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.469377] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e55000 r5:c2fb4000 r4:00000000 # [ 98.477127] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.484272] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c5cd0000 r5:c2fb4000 # [ 98.492104] r4:c2fb4000 # [ 98.494646] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.501788] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000017 r4:00000017 # [ 98.509542] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.517116] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) # [ 98.522176] 1fa0: 00000017 00000017 00000001 b6e55000 00000017 00000000 # [ 98.530363] 1fc0: 00000017 00000017 b6f9ce00 00000004 00000001 00000000 00020000 bedd5ac4 # [ 98.538547] 1fe0: 00000004 bedd57f8 b6f06d8f b6e8d7e6 # [ 98.543638] irq event stamp: 0 # [ 98.546730] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.552318] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.559879] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.567430] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.573016] ---[ end trace fff92107256d9f10 ]--- # [ 98.577667] 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 [ 99.054228] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 99.060502] lkdtm: attempting bad refcount_dec() from saturated [ 99.066502] ------------[ cut here ]------------ [ 99.071150] WARNING: CPU: 3 PID: 3001 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 99.079692] refcount_t: saturated; leaking memory. [ 99.084518] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 99.113681] CPU: 3 PID: 3001 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 99.121431] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.127964] Backtrace: [ 99.130435] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.138014] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 99.143685] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.151008] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.157978] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c [ 99.165732] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.173221] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c5d7a000 [ 99.178891] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 99.187856] r9:c1acd180 r8:c15e8da8 r7:c5d7bf60 r6:00000017 r5:c5c43000 r4:c5d7a000 [ 99.195611] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 99.205280] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 99.215466] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.224688] r4:00000037 [ 99.227232] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.235250] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.243175] r9:c5d7bf60 r8:c309cf00 r7:00000017 r6:b6dd0000 r5:c46f1180 r4:c0c54a5c [ 99.250931] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 99.258768] r9:c07e0568 r8:c5d7bf60 r7:c2815800 r6:b6dd0000 r5:c46f1180 r4:00000000 [ 99.266518] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.273663] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c5d7a000 r5:c46f1180 [ 99.281496] r4:c46f1180 [ 99.284038] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.291181] r9:c5d7a000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000017 r4:00000017 [ 99.298935] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.306510] Exception stack(0xc5d7bfa8 to 0xc5d7bff0) [ 99.311570] bfa0: 00000017 00000017 00000001 b6dd0000 00000017 00000000 [ 99.319757] bfc0: 00000017 00000017 b6f17e00 00000004 00000001 00000000 00020000 beb6dac4 [ 99.327939] bfe0: 00000004 beb6d7f8 b6e81d8f b6e087e6 [ 99.333046] irq event stamp: 0 [ 99.336139] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.341730] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 99.349262] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 99.356811] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.362406] ---[ end trace fff92107256d9f11 ]--- [ 99.367086] lkdtm: Saturation detected: still saturated # [ 99.054228] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 99.060502] lkdtm: attempting bad refcount_dec() from saturated # [ 99.066502] ------------[ cut here ]------------ # [ 99.071150] WARNING: CPU: 3 PID: 3001 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 99.079692] refcount_t: saturated; leaking memory. # [ 99.084518] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 99.113681] CPU: 3 PID: 3001 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 99.121431] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.127964] Backtrace: # [ 99.130435] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.138014] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 99.143685] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.151008] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.157978] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2107c # [ 99.165732] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.173221] r7:00000016 r6:c1a2107c r5:c1a21054 r4:c5d7a000 # [ 99.178891] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 99.187856] r9:c1acd180 r8:c15e8da8 r7:c5d7bf60 r6:00000017 r5:c5c43000 r4:c5d7a000 # [ 99.195611] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 99.205280] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 99.215466] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.224688] r4:00000037 # [ 99.227232] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.235250] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.243175] r9:c5d7bf60 r8:c309cf00 r7:00000017 r6:b6dd0000 r5:c46f1180 r4:c0c54a5c # [ 99.250931] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.258768] r9:c07e0568 r8:c5d7bf60 r7:c2815800 r6:b6dd0000 r5:c46f1180 r4:00000000 # [ 99.266518] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.273663] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c5d7a000 r5:c46f1180 # [ 99.281496] r4:c46f1180 # [ 99.284038] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.291181] r9:c5d7a000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000017 r4:00000017 # [ 99.298935] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.306510] Exception stack(0xc5d7bfa8 to 0xc5d7bff0) # [ 99.311570] bfa0: 00000017 00000017 00000001 b6dd0000 00000017 00000000 # [ 99.319757] bfc0: 00000017 00000017 b6f17e00 00000004 00000001 00000000 00020000 beb6dac4 # [ 99.327939] bfe0: 00000004 beb6d7f8 b6e81d8f b6e087e6 # [ 99.333046] irq event stamp: 0 # [ 99.336139] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.341730] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.349262] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.356811] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.362406] ---[ end trace fff92107256d9f11 ]--- # [ 99.367086] 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 [ 99.832218] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 99.839277] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 99.846058] ------------[ cut here ]------------ [ 99.850706] WARNING: CPU: 1 PID: 3033 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 99.859311] refcount_t: saturated; leaking memory. [ 99.864136] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 99.893306] CPU: 1 PID: 3033 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 99.901057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.907589] Backtrace: [ 99.910061] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.917641] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 99.923313] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.930637] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.937609] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c [ 99.945363] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.952852] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c67b4000 [ 99.958522] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 99.967488] r9:c1acd198 r8:c15e8da8 r7:c67b5f60 r6:00000020 r5:c5b57000 r4:c0000000 [ 99.975247] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 99.985695] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 99.997436] r5:c5b57000 r4:c67b4000 [ 100.001025] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.011028] r4:00000038 [ 100.013571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.021589] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.029517] r9:c67b5f60 r8:c309cf00 r7:00000020 r6:b6e66000 r5:c467d900 r4:c0c54a5c [ 100.037276] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 100.045113] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e66000 r5:c467d900 r4:00000000 [ 100.052866] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.060010] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c67b4000 r5:c467d900 [ 100.067845] r4:c467d900 [ 100.070387] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.077531] r9:c67b4000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:00000020 r4:00000020 [ 100.085285] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.092859] Exception stack(0xc67b5fa8 to 0xc67b5ff0) [ 100.097919] 5fa0: 00000020 00000020 00000001 b6e66000 00000020 00000000 [ 100.106106] 5fc0: 00000020 00000020 b6fade00 00000004 00000001 00000000 00020000 bed20ac4 [ 100.114289] 5fe0: 00000004 bed207f8 b6f17d8f b6e9e7e6 [ 100.119430] irq event stamp: 0 [ 100.122509] hardirqs last enabled at (0): [<00000000>] 0x0 [ 100.128131] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 100.135673] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 100.143173] softirqs last disabled at (0): [<00000000>] 0x0 [ 100.148792] ---[ end trace fff92107256d9f12 ]--- [ 100.153451] lkdtm: Saturation detected: still saturated # [ 99.832218] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 99.839277] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 99.846058] ------------[ cut here ]------------ # [ 99.850706] WARNING: CPU: 1 PID: 3033 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 99.859311] refcount_t: saturated; leaking memory. # [ 99.864136] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 99.893306] CPU: 1 PID: 3033 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 99.901057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.907589] Backtrace: # [ 99.910061] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.917641] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 99.923313] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.930637] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.937609] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c # [ 99.945363] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.952852] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c67b4000 # [ 99.958522] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.967488] r9:c1acd198 r8:c15e8da8 r7:c67b5f60 r6:00000020 r5:c5b57000 r4:c0000000 # [ 99.975247] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.985695] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 99.997436] r5:c5b57000 r4:c67b4000 # [ 100.001025] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.011028] r4:00000038 # [ 100.013571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.021589] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.029517] r9:c67b5f60 r8:c309cf00 r7:00000020 r6:b6e66000 r5:c467d900 r4:c0c54a5c # [ 100.037276] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.045113] r9:c07e0568 r8:c67b5f60 r7:c2815800 r6:b6e66000 r5:c467d900 r4:00000000 # [ 100.052866] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.060010] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c67b4000 r5:c467d900 # [ 100.067845] r4:c467d900 # [ 100.070387] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.077531] r9:c67b4000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:00000020 r4:00000020 # [ 100.085285] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.092859] Exception stack(0xc67b5fa8 to 0xc67b5ff0) # [ 100.097919] 5fa0: 00000020 00000020 00000001 b6e66000 00000020 00000000 # [ 100.106106] 5fc0: 00000020 00000020 b6fade00 00000004 00000001 00000000 00020000 bed20ac4 # [ 100.114289] 5fe0: 00000004 bed207f8 b6f17d8f b6e9e7e6 # [ 100.119430] irq event stamp: 0 # [ 100.122509] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.128131] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.135673] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.143173] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.148792] ---[ end trace fff92107256d9f12 ]--- # [ 100.153451] 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 [ 100.625759] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 100.632658] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 100.639434] ------------[ cut here ]------------ [ 100.644084] WARNING: CPU: 1 PID: 3067 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 100.652604] refcount_t: saturated; leaking memory. [ 100.657510] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 100.687012] CPU: 1 PID: 3067 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 100.694762] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 100.701295] Backtrace: [ 100.703765] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 100.711345] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 100.717017] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 100.724341] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 100.731313] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c [ 100.739067] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 100.746557] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c66ce000 [ 100.752228] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 100.761195] r9:c1acd1b8 r8:c15e8da8 r7:c66cff60 r6:00000020 r5:c5b57000 r4:c0000000 [ 100.768954] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 100.779400] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 100.791141] r5:c5b57000 r4:c66ce000 [ 100.794732] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.804736] r4:00000039 [ 100.807280] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.815299] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.823224] r9:c66cff60 r8:c309cf00 r7:00000020 r6:b6dfc000 r5:c599ca00 r4:c0c54a5c [ 100.830979] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 100.838818] r9:c07e0568 r8:c66cff60 r7:c2815800 r6:b6dfc000 r5:c599ca00 r4:00000000 [ 100.846570] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.853712] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c66ce000 r5:c599ca00 [ 100.861544] r4:c599ca00 [ 100.864088] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.871230] r9:c66ce000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020 [ 100.878985] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.886559] Exception stack(0xc66cffa8 to 0xc66cfff0) [ 100.891621] ffa0: 00000020 00000020 00000001 b6dfc000 00000020 00000000 [ 100.899806] ffc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 be8f4ac4 [ 100.907990] ffe0: 00000004 be8f47f8 b6eadd8f b6e347e6 [ 100.913116] irq event stamp: 0 [ 100.916220] hardirqs last enabled at (0): [<00000000>] 0x0 [ 100.921811] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 100.929373] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 100.936918] softirqs last disabled at (0): [<00000000>] 0x0 [ 100.942506] ---[ end trace fff92107256d9f13 ]--- [ 100.947177] lkdtm: Saturation detected: still saturated # [ 100.625759] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 100.632658] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 100.639434] ------------[ cut here ]------------ # [ 100.644084] WARNING: CPU: 1 PID: 3067 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 100.652604] refcount_t: saturated; leaking memory. # [ 100.657510] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 100.687012] CPU: 1 PID: 3067 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 100.694762] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.701295] Backtrace: # [ 100.703765] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.711345] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 100.717017] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.724341] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.731313] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2107c # [ 100.739067] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.746557] r7:00000013 r6:c1a2107c r5:c1a21054 r4:c66ce000 # [ 100.752228] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 100.761195] r9:c1acd1b8 r8:c15e8da8 r7:c66cff60 r6:00000020 r5:c5b57000 r4:c0000000 # [ 100.768954] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 100.779400] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 100.791141] r5:c5b57000 r4:c66ce000 # [ 100.794732] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.804736] r4:00000039 # [ 100.807280] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.815299] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.823224] r9:c66cff60 r8:c309cf00 r7:00000020 r6:b6dfc000 r5:c599ca00 r4:c0c54a5c # [ 100.830979] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.838818] r9:c07e0568 r8:c66cff60 r7:c2815800 r6:b6dfc000 r5:c599ca00 r4:00000000 # [ 100.846570] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.853712] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c66ce000 r5:c599ca00 # [ 100.861544] r4:c599ca00 # [ 100.864088] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.871230] r9:c66ce000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020 # [ 100.878985] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.886559] Exception stack(0xc66cffa8 to 0xc66cfff0) # [ 100.891621] ffa0: 00000020 00000020 00000001 b6dfc000 00000020 00000000 # [ 100.899806] ffc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 be8f4ac4 # [ 100.907990] ffe0: 00000004 be8f47f8 b6eadd8f b6e347e6 # [ 100.913116] irq event stamp: 0 # [ 100.916220] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.921811] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.929373] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.936918] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.942506] ---[ end trace fff92107256d9f13 ]--- # [ 100.947177] 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 [ 101.411905] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 101.418986] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 101.425780] ------------[ cut here ]------------ [ 101.430430] WARNING: CPU: 3 PID: 3104 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 101.439057] refcount_t: underflow; use-after-free. [ 101.443882] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 101.473043] CPU: 3 PID: 3104 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 101.480794] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 101.487325] Backtrace: [ 101.489797] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 101.497376] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 101.503048] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 101.510371] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 101.517342] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c [ 101.525094] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 101.532584] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c5cd0000 [ 101.538253] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 101.547306] r9:c1acd1d8 r8:c15e8da8 r7:c5cd1f60 r6:00000020 r5:c5c43000 r4:c5cd0000 [ 101.555065] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 101.565518] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 101.577264] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 101.587268] r4:0000003a [ 101.589813] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 101.597829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 101.605754] r9:c5cd1f60 r8:c309cf00 r7:00000020 r6:b6e4e000 r5:c5a51e00 r4:c0c54a5c [ 101.613511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 101.621350] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e4e000 r5:c5a51e00 r4:00000000 [ 101.629101] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 101.636244] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c5cd0000 r5:c5a51e00 [ 101.644076] r4:c5a51e00 [ 101.646620] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 101.653762] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:00000020 r4:00000020 [ 101.661516] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 101.669091] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) [ 101.674150] 1fa0: 00000020 00000020 00000001 b6e4e000 00000020 00000000 [ 101.682336] 1fc0: 00000020 00000020 b6f95e00 00000004 00000001 00000000 00020000 bec9bac4 [ 101.690519] 1fe0: 00000004 bec9b7f8 b6effd8f b6e867e6 [ 101.695629] irq event stamp: 0 [ 101.698702] hardirqs last enabled at (0): [<00000000>] 0x0 [ 101.704291] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 101.711826] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 101.719388] softirqs last disabled at (0): [<00000000>] 0x0 [ 101.725001] ---[ end trace fff92107256d9f14 ]--- [ 101.729674] lkdtm: Saturation detected: still saturated # [ 101.411905] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 101.418986] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 101.425780] ------------[ cut here ]------------ # [ 101.430430] WARNING: CPU: 3 PID: 3104 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.439057] refcount_t: underflow; use-after-free. # [ 101.443882] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 101.473043] CPU: 3 PID: 3104 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 101.480794] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.487325] Backtrace: # [ 101.489797] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.497376] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 101.503048] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.510371] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.517342] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c # [ 101.525094] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.532584] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c5cd0000 # [ 101.538253] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 101.547306] r9:c1acd1d8 r8:c15e8da8 r7:c5cd1f60 r6:00000020 r5:c5c43000 r4:c5cd0000 # [ 101.555065] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 101.565518] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 101.577264] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.587268] r4:0000003a # [ 101.589813] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.597829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.605754] r9:c5cd1f60 r8:c309cf00 r7:00000020 r6:b6e4e000 r5:c5a51e00 r4:c0c54a5c # [ 101.613511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 101.621350] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e4e000 r5:c5a51e00 r4:00000000 # [ 101.629101] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.636244] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c5cd0000 r5:c5a51e00 # [ 101.644076] r4:c5a51e00 # [ 101.646620] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.653762] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:00000020 r4:00000020 # [ 101.661516] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.669091] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) # [ 101.674150] 1fa0: 00000020 00000020 00000001 b6e4e000 00000020 00000000 # [ 101.682336] 1fc0: 00000020 00000020 b6f95e00 00000004 00000001 00000000 00020000 bec9bac4 # [ 101.690519] 1fe0: 00000004 bec9b7f8 b6effd8f b6e867e6 # [ 101.695629] irq event stamp: 0 # [ 101.698702] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.704291] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 101.711826] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 101.719388] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.725001] ---[ end trace fff92107256d9f14 ]--- # [ 101.729674] 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 [ 102.189997] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 102.197031] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 102.203774] ------------[ cut here ]------------ [ 102.208467] WARNING: CPU: 0 PID: 3139 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 102.217133] refcount_t: underflow; use-after-free. [ 102.221958] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 102.251203] CPU: 0 PID: 3139 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 102.258954] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 102.265486] Backtrace: [ 102.267957] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 102.275535] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 102.281207] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 102.288530] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 102.295500] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c [ 102.303255] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 102.310745] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c5c5c000 [ 102.316415] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 102.325468] r9:c1acd1f8 r8:c15e8da8 r7:c5c5df60 r6:00000020 r5:c6142000 r4:c5c5c000 [ 102.333225] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 102.343677] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 102.355425] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 102.365428] r4:0000003b [ 102.367972] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 102.375989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 102.383914] r9:c5c5df60 r8:c309cf00 r7:00000020 r6:b6e68000 r5:c62d3680 r4:c0c54a5c [ 102.391672] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 102.399510] r9:c07e0568 r8:c5c5df60 r7:c2815800 r6:b6e68000 r5:c62d3680 r4:00000000 [ 102.407262] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 102.414405] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c5c5c000 r5:c62d3680 [ 102.422237] r4:c62d3680 [ 102.424780] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 102.431922] r9:c5c5c000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000020 r4:00000020 [ 102.439676] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 102.447250] Exception stack(0xc5c5dfa8 to 0xc5c5dff0) [ 102.452311] dfa0: 00000020 00000020 00000001 b6e68000 00000020 00000000 [ 102.460497] dfc0: 00000020 00000020 b6fafe00 00000004 00000001 00000000 00020000 be816ac4 [ 102.468680] dfe0: 00000004 be8167f8 b6f19d8f b6ea07e6 [ 102.473774] irq event stamp: 0 [ 102.476868] hardirqs last enabled at (0): [<00000000>] 0x0 [ 102.482456] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 102.490014] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 102.497556] softirqs last disabled at (0): [<00000000>] 0x0 [ 102.503143] ---[ end trace fff92107256d9f15 ]--- [ 102.507793] lkdtm: Saturation detected: still saturated # [ 102.189997] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 102.197031] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 102.203774] ------------[ cut here ]------------ # [ 102.208467] WARNING: CPU: 0 PID: 3139 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 102.217133] refcount_t: underflow; use-after-free. # [ 102.221958] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 102.251203] CPU: 0 PID: 3139 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 102.258954] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.265486] Backtrace: # [ 102.267957] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.275535] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 102.281207] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.288530] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.295500] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2107c # [ 102.303255] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.310745] r7:0000001c r6:c1a2107c r5:c1a210b8 r4:c5c5c000 # [ 102.316415] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 102.325468] r9:c1acd1f8 r8:c15e8da8 r7:c5c5df60 r6:00000020 r5:c6142000 r4:c5c5c000 # [ 102.333225] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 102.343677] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 102.355425] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.365428] r4:0000003b # [ 102.367972] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.375989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.383914] r9:c5c5df60 r8:c309cf00 r7:00000020 r6:b6e68000 r5:c62d3680 r4:c0c54a5c # [ 102.391672] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.399510] r9:c07e0568 r8:c5c5df60 r7:c2815800 r6:b6e68000 r5:c62d3680 r4:00000000 # [ 102.407262] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.414405] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c5c5c000 r5:c62d3680 # [ 102.422237] r4:c62d3680 # [ 102.424780] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.431922] r9:c5c5c000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000020 r4:00000020 # [ 102.439676] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.447250] Exception stack(0xc5c5dfa8 to 0xc5c5dff0) # [ 102.452311] dfa0: 00000020 00000020 00000001 b6e68000 00000020 00000000 # [ 102.460497] dfc0: 00000020 00000020 b6fafe00 00000004 00000001 00000000 00020000 be816ac4 # [ 102.468680] dfe0: 00000004 be8167f8 b6f19d8f b6ea07e6 # [ 102.473774] irq event stamp: 0 # [ 102.476868] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.482456] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 102.490014] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 102.497556] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.503143] ---[ end trace fff92107256d9f15 ]--- # [ 102.507793] 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 [ 103.345406] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 103.351455] lkdtm: attempting good copy_to_user of correct size [ 103.357513] lkdtm: attempting bad copy_to_user of too large size # [ 103.345406] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 103.351455] lkdtm: attempting good copy_to_user of correct size # [ 103.357513] 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 [ 103.807927] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 103.814143] lkdtm: attempting good copy_from_user of correct size [ 103.820455] lkdtm: attempting bad copy_from_user of too large size # [ 103.807927] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 103.814143] lkdtm: attempting good copy_from_user of correct size # [ 103.820455] 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 [ 104.257069] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 104.263558] lkdtm: attempting good copy_to_user inside whitelist [ 104.269692] lkdtm: attempting bad copy_to_user outside whitelist # [ 104.257069] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 104.263558] lkdtm: attempting good copy_to_user inside whitelist # [ 104.269692] 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 [ 104.704135] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 104.710850] lkdtm: attempting good copy_from_user inside whitelist [ 104.717182] lkdtm: attempting bad copy_from_user outside whitelist # [ 104.704135] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 104.710850] lkdtm: attempting good copy_from_user inside whitelist # [ 104.717182] 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 [ 105.148343] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 105.154548] lkdtm: good_stack: c5b19e0c-c5b19e2c [ 105.159330] lkdtm: bad_stack : c5b19d84-c5b19da4 [ 105.164009] lkdtm: attempting good copy_to_user of local stack [ 105.169934] lkdtm: attempting bad copy_to_user of distant stack # [ 105.148343] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 105.154548] lkdtm: good_stack: c5b19e0c-c5b19e2c # [ 105.159330] lkdtm: bad_stack : c5b19d84-c5b19da4 # [ 105.164009] lkdtm: attempting good copy_to_user of local stack # [ 105.169934] 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 [ 105.619917] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 105.626371] lkdtm: good_stack: c5cd1e0c-c5cd1e2c [ 105.630999] lkdtm: bad_stack : c5cd1d84-c5cd1da4 [ 105.635676] lkdtm: attempting good copy_from_user of local stack [ 105.641707] lkdtm: attempting bad copy_from_user of distant stack # [ 105.619917] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 105.626371] lkdtm: good_stack: c5cd1e0c-c5cd1e2c # [ 105.630999] lkdtm: bad_stack : c5cd1d84-c5cd1da4 # [ 105.635676] lkdtm: attempting good copy_from_user of local stack # [ 105.641707] 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 [ 106.080373] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 106.086529] lkdtm: good_stack: c5b4be0c-c5b4be2c [ 106.091189] lkdtm: bad_stack : c5b4bffc-c5b4c01c [ 106.095877] lkdtm: attempting good copy_to_user of local stack [ 106.101766] lkdtm: attempting bad copy_to_user of distant stack # [ 106.080373] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 106.086529] lkdtm: good_stack: c5b4be0c-c5b4be2c # [ 106.091189] lkdtm: bad_stack : c5b4bffc-c5b4c01c # [ 106.095877] lkdtm: attempting good copy_to_user of local stack # [ 106.101766] 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 [ 106.537120] lkdtm: Performing direct entry USERCOPY_KERNEL [ 106.542638] lkdtm: attempting good copy_to_user from kernel rodata: c15e9054 [ 106.549795] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c [ 106.556634] lkdtm: FAIL: survived bad copy_to_user() # [ 106.537120] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 106.542638] lkdtm: attempting good copy_to_user from kernel rodata: c15e9054 # [ 106.549795] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c # [ 106.556634] 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 [ 107.007090] lkdtm: Performing direct entry STACKLEAK_ERASING [ 107.012777] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 107.019857] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 107.026781] lkdtm: FAIL: the thread stack is NOT properly erased [ 107.032811] CPU: 1 PID: 3504 Comm: cat Tainted: G D W 5.10.181-cip34 #1 [ 107.040562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 107.047104] Backtrace: [ 107.049615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 107.057217] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 [ 107.062919] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 107.070281] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 107.078838] r9:c1acd300 r8:c15e8da8 r7:c5cd1f60 r6:c5cd1e34 r5:c5cd0000 r4:0000078d [ 107.086620] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 107.095436] r8:c15e8da8 r7:c5cd1f60 r6:00000012 r5:c6610000 r4:00000046 [ 107.102169] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 107.110213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 107.118162] r9:c5cd1f60 r8:c309cf00 r7:00000012 r6:b6e33000 r5:c59a3b80 r4:c0c54a5c [ 107.125945] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 107.133808] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e33000 r5:c59a3b80 r4:00000000 [ 107.141587] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 107.148753] r10:00000004 r9:00000000 r8:00000000 r7:b6e33000 r6:c5cd0000 r5:c59a3b80 [ 107.156602] r4:c59a3b80 [ 107.159168] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 107.166334] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f7ae00 r5:00000012 r4:00000012 [ 107.174112] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 107.181704] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) [ 107.186787] 1fa0: 00000012 00000012 00000001 b6e33000 00000012 00000000 [ 107.194999] 1fc0: 00000012 00000012 b6f7ae00 00000004 00000001 00000000 00020000 bef5cac4 [ 107.203202] 1fe0: 00000004 bef5c7f8 b6ee4d8f b6e6b7e6 # [ 107.007090] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 107.012777] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 107.019857] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 107.026781] lkdtm: FAIL: the thread stack is NOT properly erased # [ 107.032811] CPU: 1 PID: 3504 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 107.040562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.047104] Backtrace: # [ 107.049615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.057217] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fd78 # [ 107.062919] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.070281] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 107.078838] r9:c1acd300 r8:c15e8da8 r7:c5cd1f60 r6:c5cd1e34 r5:c5cd0000 r4:0000078d # [ 107.086620] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.095436] r8:c15e8da8 r7:c5cd1f60 r6:00000012 r5:c6610000 r4:00000046 # [ 107.102169] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.110213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.118162] r9:c5cd1f60 r8:c309cf00 r7:00000012 r6:b6e33000 r5:c59a3b80 r4:c0c54a5c # [ 107.125945] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 107.133808] r9:c07e0568 r8:c5cd1f60 r7:c2815800 r6:b6e33000 r5:c59a3b80 r4:00000000 # [ 107.141587] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.148753] r10:00000004 r9:00000000 r8:00000000 r7:b6e33000 r6:c5cd0000 r5:c59a3b80 # [ 107.156602] r4:c59a3b80 # [ 107.159168] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.166334] r9:c5cd0000 r8:c03002e4 r7:00000004 r6:b6f7ae00 r5:00000012 r4:00000012 # [ 107.174112] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.181704] Exception stack(0xc5cd1fa8 to 0xc5cd1ff0) # [ 107.186787] 1fa0: 00000012 00000012 00000001 b6e33000 00000012 00000000 # [ 107.194999] 1fc0: 00000012 00000012 b6f7ae00 00000004 00000001 00000000 00020000 bef5cac4 # [ 107.203202] 1fe0: 00000004 bef5c7f8 b6ee4d8f b6e6b7e6 # 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 [ 107.653540] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 107.659298] lkdtm: Calling matched prototype ... [ 107.663931] lkdtm: Calling mismatched prototype ... [ 107.668939] lkdtm: Fail: survived mismatched prototype function call! # [ 107.653540] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 107.659298] lkdtm: Calling matched prototype ... # [ 107.663931] lkdtm: Calling mismatched prototype ... # [ 107.668939] 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 / #