[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 192.168.201.33 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 9034251/tftp-deploy-_mgg_9_r/kernel/zImage tftp 0x10000000 9034251/tftp-deploy-_mgg_9_r/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9034251/tftp-deploy-_mgg_9_r/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################### 11.9 MiB/s done Bytes transferred = 12362240 (bca200 hex) => tftp 0x14000000 9034251/tftp-deploy-_mgg_9_r/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 9034251/tftp-deploy-_mgg_9_r/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9034251/tftp-deploy-_mgg_9_r/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############ 11.7 MiB/s done Bytes transferred = 15437923 (eb9063 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 9034251/tftp-deploy-_mgg_9_r/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 9034251/tftp-deploy-_mgg_9_r/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9034251/tftp-deploy-_mgg_9_r/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 3.1 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/9034251/extract-nfsrootfs-gzn8bpw3,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9034251/extract-nfsrootfs-gzn8bpw3,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbca200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15437859 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 5.10.167-cip25 (KernelCI@build-j990307-arm-gcc-10-multi-v7-defconfig-kselftest-mz9b6) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Feb 6 11:24:13 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] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9034251/extract-nfsrootfs-gzn8bpw3,tcp,hard console_msg_format=syslog earlycon ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921440K/1048576K available (17408K kernel code, 2652K rwdata, 8104K rodata, 2048K init, 6694K bss, 61600K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 55514 entries in 163 pages <6>[ 0.000000] ftrace: allocated 163 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008446] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022942] Console: colour dummy device 80x30 <4>[ 0.024846] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032857] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037198] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041610] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046246] ... CLASSHASH_SIZE: 4096 <4>[ 0.050833] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055554] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060229] ... CHAINHASH_SIZE: 32768 <4>[ 0.064926] memory used by lock dependency info: 4061 kB <4>[ 0.070609] memory used for stack traces: 2112 kB <4>[ 0.075651] per task-struct memory footprint: 1536 bytes <6>[ 0.081339] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091756] pid_max: default: 32768 minimum: 301 <6>[ 0.096985] LSM: Security Framework initializing <6>[ 0.101551] LSM support for eBPF active <6>[ 0.105710] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.113146] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123762] CPU: Testing write buffer coherency: ok <6>[ 0.126308] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132529] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141395] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147800] rcu: Hierarchical SRCU implementation. <6>[ 0.159849] EFI services will not be available. <6>[ 0.163102] smp: Bringing up secondary CPUs ... <6>[ 0.169891] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169906] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.182276] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.182290] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.194325] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.194340] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.203565] smp: Brought up 1 node, 4 CPUs <6>[ 0.207216] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.213529] CPU: All CPU(s) started in SVC mode. <6>[ 0.221185] devtmpfs: initialized <6>[ 0.279904] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.287745] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.295203] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.307160] pinctrl core: initialized pinctrl subsystem <6>[ 0.316694] DMI not present or invalid. <6>[ 0.320244] NET: Registered protocol family 16 <6>[ 0.334329] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.348134] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.348687] cpuidle: using governor menu <6>[ 0.356852] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 1.080952] vdd1p1: supplied by regulator-dummy <6>[ 1.113543] vdd3p0: supplied by regulator-dummy <6>[ 1.146016] vdd2p5: supplied by regulator-dummy <6>[ 1.178363] vddarm: supplied by regulator-dummy <6>[ 1.211614] vddpu: supplied by regulator-dummy <6>[ 1.242799] vddsoc: supplied by regulator-dummy <6>[ 2.532682] No ATAGs? <6>[ 2.533601] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.540744] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.566017] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.599024] Serial: AMBA PL011 UART driver <6>[ 2.664963] Kprobes globally optimized <6>[ 2.784862] iommu: Default domain type: Translated <6>[ 2.789638] vgaarb: loaded <5>[ 2.794837] SCSI subsystem initialized <6>[ 2.798669] usbcore: registered new interface driver usbfs <6>[ 2.802034] usbcore: registered new interface driver hub <6>[ 2.807617] usbcore: registered new device driver usb <6>[ 2.820237] i2c i2c-0: IMX I2C adapter registered <6>[ 2.829611] i2c i2c-1: IMX I2C adapter registered <6>[ 2.836367] i2c i2c-2: IMX I2C adapter registered <6>[ 2.842988] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.845453] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.854853] PTP clock support registered <6>[ 2.878215] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.621586] NET: Registered protocol family 2 <6>[ 4.624173] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.634533] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.640634] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.648682] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.657307] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.663834] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.670565] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.677265] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.685145] NET: Registered protocol family 1 <6>[ 4.691773] RPC: Registered named UNIX socket transport module. <6>[ 4.695184] RPC: Registered udp transport module. <6>[ 4.700261] RPC: Registered tcp transport module. <6>[ 4.705088] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.711883] NET: Registered protocol family 44 <6>[ 4.716513] PCI: CLS 0 bytes, default 64 <6>[ 4.723187] Trying to unpack rootfs image as initramfs... <6>[ 6.638958] Freeing initrd memory: 15080K <4>[ 6.641603] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.649617] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.665343] Initialise system trusted keyrings <6>[ 6.668357] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.725790] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.732848] NFS: Registering the id_resolver key type <5>[ 6.735479] Key type id_resolver registered <5>[ 6.739873] Key type id_legacy registered <6>[ 6.744655] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.751133] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.758896] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.765407] Key type asymmetric registered <5>[ 6.767794] Asymmetric key parser 'x509' registered <6>[ 6.773111] bounce: pool size: 64 pages <6>[ 6.776961] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.784621] io scheduler mq-deadline registered <6>[ 6.789350] io scheduler kyber registered <4>[ 6.794497] test_firmware: interface ready <6>[ 6.976351] mxs-dma 110000.dma-apbh: initialized <4>[ 7.042839] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 7.050104] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 7.320116] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 7.344505] SuperH (H)SCI(F) driver initialized <6>[ 7.349494] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 7.360871] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 7.367339] printk: console [ttymxc1] enabled <6>[ 7.367339] printk: console [ttymxc1] enabled <6>[ 7.376257] printk: bootconsole [ec_imx21] disabled <6>[ 7.376257] printk: bootconsole [ec_imx21] disabled <6>[ 7.392878] msm_serial: driver initialized <6>[ 7.398406] STMicroelectronics ASC driver initialized <6>[ 7.410315] STM32 USART driver initialized <6>[ 7.436924] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.459530] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.468340] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.476432] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.532455] brd: module loaded <6>[ 7.595848] loop: module loaded <6>[ 7.602704] lkdtm: No crash points registered, enable through debugfs <6>[ 7.625154] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.633487] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.641865] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.650411] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.658730] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.667209] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.675319] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.687060] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.694453] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.703612] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.718405] scsi host0: ahci-imx <6>[ 7.724320] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.790125] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.804035] pps pps0: new PPS source ptp0 <6>[ 7.852171] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.863080] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.868407] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.874869] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.880618] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.908765] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.916621] usbcore: registered new interface driver pegasus <6>[ 7.922849] usbcore: registered new interface driver asix <6>[ 7.928745] usbcore: registered new interface driver ax88179_178a <6>[ 7.935275] usbcore: registered new interface driver cdc_ether <6>[ 7.941725] usbcore: registered new interface driver smsc75xx <6>[ 7.948033] usbcore: registered new interface driver smsc95xx <6>[ 7.954216] usbcore: registered new interface driver net1080 <6>[ 7.960368] usbcore: registered new interface driver cdc_subset <6>[ 7.966723] usbcore: registered new interface driver zaurus <6>[ 7.972913] usbcore: registered new interface driver cdc_ncm <6>[ 7.991821] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.998780] ehci-pci: EHCI PCI platform driver <6>[ 8.003697] ehci-platform: EHCI generic platform driver <6>[ 8.010295] ehci-orion: EHCI orion driver <6>[ 8.015521] SPEAr-ehci: EHCI SPEAr driver <6>[ 8.020758] ehci-st: EHCI STMicroelectronics driver <6>[ 8.026797] ehci-exynos: EHCI Exynos driver <6>[ 8.032215] ehci-atmel: EHCI Atmel driver <6>[ 8.037376] tegra-ehci: Tegra EHCI driver <6>[ 8.042640] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 8.049238] ohci-pci: OHCI PCI platform driver <6>[ 8.054137] ohci-platform: OHCI generic platform driver <6>[ 8.060679] SPEAr-ohci: OHCI SPEAr driver <6>[ 8.065864] ohci-st: OHCI STMicroelectronics driver <6>[ 8.071964] ohci-atmel: OHCI Atmel driver <6>[ 8.079864] usbcore: registered new interface driver usb-storage <6>[ 8.080363] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 8.092284] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 8.098912] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 8.119361] i2c /dev entries driver <6>[ 8.206243] sdhci: Secure Digital Host Controller Interface driver <6>[ 8.212797] sdhci: Copyright(c) Pierre Ossman <6>[ 8.227136] Synopsys Designware Multimedia Card Interface Driver <6>[ 8.240952] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 8.250824] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 8.250830] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 8.251012] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 8.269021] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 8.279272] usbcore: registered new interface driver usbhid <6>[ 8.285147] usbhid: USB HID core driver <6>[ 8.305749] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 8.313955] netem: version 1.3 <6>[ 8.317546] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 8.326059] gre: GRE over IPv4 demultiplexor driver <6>[ 8.327179] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 8.331313] ip_gre: GRE over IPv4 tunneling driver <6>[ 8.337547] IPv4 over IPsec tunneling driver <6>[ 8.353599] NET: Registered protocol family 10 <6>[ 8.356789] mmc2: new high speed SDHC card at address aaaa <6>[ 8.368949] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <6>[ 8.371396] Segment Routing with IPv6 <6>[ 8.384825] ip6_gre: GRE over IPv6 tunneling driver <6>[ 8.393325] NET: Registered protocol family 17 <4>[ 8.398652] GPT:Primary header thinks Alt. header is not at the end of the disk. <5>[ 8.400108] Key type dns_resolver registered <4>[ 8.406463] GPT:7812499 != 31116287 <4>[ 8.414891] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.421294] GPT:7812499 != 31116287 <4>[ 8.425088] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.430293] ThumbEE CPU extension supported. <6>[ 8.430660] mmcblk2: p1 p2 p3 <5>[ 8.435091] Registering SWP/SWPB emulation handler <5>[ 8.445763] Loading compiled-in X.509 certificates <4>[ 8.632950] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.641626] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.654994] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.691787] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.705315] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.710920] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.748384] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.769838] hub 1-0:1.0: USB hub found <6>[ 8.774421] hub 1-0:1.0: 1 port detected <6>[ 8.790838] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.823352] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.831990] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.845368] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.876333] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.884937] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.898345] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.918189] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.949932] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.958589] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.972075] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.994688] 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) <3>[ 9.010431] IP-Config: Failed to open gretap0 <3>[ 9.015093] IP-Config: Failed to open erspan0 <5>[ 9.048159] Sending DHCP requests . <6>[ 9.168296] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 9.387208] hub 1-1:1.0: USB hub found <6>[ 9.393545] hub 1-1:1.0: 3 ports detected <4>[ 9.427482] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.436370] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.451676] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 11.518121] . <6>[ 12.159362] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 12.169932] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <4>[ 15.838116] ., OK <6>[ 15.880717] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.33 <6>[ 15.889263] IP-Config: Complete: <6>[ 15.892841] device=eth0, hwaddr=00:19:b8:08:f1:13, ipaddr=192.168.201.33, mask=255.255.255.0, gw=192.168.201.1 <6>[ 15.903815] host=imx6q-sabrelite-lava-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 15.912109] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 15.912157] nameserver0=192.168.201.1 <6>[ 15.984627] Freeing unused kernel memory: 2048K <6>[ 15.998555] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 20.039241] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 20.101229] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 20.109184] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.152119] panel-simple panel-lcd: Specify missing connector_type <6>[ 20.165886] CAN device driver interface <4>[ 20.177810] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 20.252434] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.261214] panel-simple panel-lcd: Specify missing connector_type <4>[ 20.276370] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 20.319227] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 20.330562] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 20.340723] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 20.347623] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 20.349659] caam 2100000.crypto: Entropy delay = 3200 <6>[ 20.420290] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 20.481053] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 20.486518] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 20.493577] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 20.512277] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.548236] panel-simple panel-lcd: Specify missing connector_type <6>[ 20.575352] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 20.579199] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 20.592338] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 20.633367] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.642647] panel-simple panel-lcd: Specify missing connector_type <6>[ 20.656296] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 20.663290] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 20.669971] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <4>[ 20.674367] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 20.679832] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 20.724252] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 20.731753] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.733079] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 20.740901] panel-simple panel-lcd: Specify missing connector_type <4>[ 20.749180] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 20.758073] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 20.763932] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 20.764555] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 20.772138] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 20.793888] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 20.797162] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <4>[ 20.805469] panel-simple panel-lcd: Specify missing connector_type <6>[ 20.815168] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 20.848677] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 20.892536] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 20.901959] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 20.910805] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 20.920249] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 20.936798] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.945586] panel-simple panel-lcd: Specify missing connector_type <6>[ 21.438982] caam algorithms registered in /proc/crypto <6>[ 21.450762] caam 2100000.crypto: registering rng-caam <4>[ 21.463656] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 21.522545] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.531439] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.540250] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.549011] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 21.564417] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 21.573198] panel-simple panel-lcd: Specify missing connector_type <4>[ 21.586973] panel-simple panel-lvds0: supply power not found, using dummy regulator <5>[ 21.641534] random: crng init done Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:19:b8:08:f1:13 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.33 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-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 24.218301] systemd[1]: System time before build time, advancing clock. <30>[ 24.702371] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 24.729371] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 24.805441] systemd[1]: Set hostname to . <30>[ 26.663140] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 26.678605] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 26.723335] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 26.772984] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 26.823814] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 26.873555] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 26.922775] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 26.970786] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 26.984066] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 27.029234] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 27.068993] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 27.109829] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 27.149857] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 27.190326] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 27.291535] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 27.306051] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 27.355516] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 27.405398] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 27.461137] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 27.500854] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 27.543416] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 27.554148] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 27.575987] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 27.622840] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 27.682397] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 27.740542] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 27.790803] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 27.848099] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 27.908881] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 27.944983] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 27.969268] fuse: init (API version 7.32) <30>[ 27.999355] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 28.050067] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 28.107822] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 28.153409] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 28.201371] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 28.249167] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 28.345150] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 28.356317] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 28.413884] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 28.425051] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 28.483858] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 28.494382] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 28.514413] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 28.563657] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 28.620461] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 28.679135] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 28.737976] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 28.748145] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 28.767369] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 28.828789] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 28.880383] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 28.926028] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 29.365049] systemd-journald[279]: 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 ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] 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 5.10.167-cip25 #1 SMP Mon Feb 6 11:24:13 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/9034251/extract-nfsrootfs-gzn8bpw3' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9034251/extract-nfsrootfs-gzn8bpw3' / # 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-9034251/environment . /lava-9034251/environment / # /lava-9034251/bin/lava-test-runner /lava-9034251/0 /lava-9034251/bin/lava-test-runner /lava-9034251/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9034251/0/tests/0_timesync-off ++ cat uuid + UUID=9034251_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-9034251/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9034251_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/v5.10.165-cip25-154-gb7e05ba4f61a2/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9034251/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-02-06 11:43:57-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.165-cip25-154-gb7e05ba4f61a2/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: 1409388 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.01K 97.4KB/s kselftest.tar.xz 5%[> ] 78.43K 136KB/s kselftest.tar.xz 9%[> ] 127.00K 147KB/s kselftest.tar.xz 13%[=> ] 186.39K 161KB/s kselftest.tar.xz 17%[==> ] 247.19K 171KB/s kselftest.tar.xz 21%[===> ] 298.10K 171KB/s kselftest.tar.xz 24%[===> ] 341.93K 168KB/s kselftest.tar.xz 25%[====> ] 351.35K 151KB/s kselftest.tar.xz 27%[====> ] 384.35K 152KB/s kselftest.tar.xz 29%[====> ] 404.15K 147KB/s kselftest.tar.xz 30%[=====> ] 422.53K 142KB/s kselftest.tar.xz 32%[=====> ] 446.57K 140KB/s eta 7s kselftest.tar.xz 33%[=====> ] 464.96K 136KB/s eta 7s kselftest.tar.xz 35%[======> ] 491.82K 135KB/s eta 7s kselftest.tar.xz 37%[======> ] 515.38K 130KB/s eta 7s kselftest.tar.xz 39%[======> ] 546.97K 130KB/s eta 6s kselftest.tar.xz 41%[=======> ] 568.18K 128KB/s eta 6s kselftest.tar.xz 43%[=======> ] 593.64K 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'kselftest.tar.xz' saved [1409388/1409388] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== 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 =============== <12>[ 76.381042] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 77.256849] lkdtm: Performing direct entry BUG <4>[ 77.262167] ------------[ cut here ]------------ <2>[ 77.267072] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 77.272566] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 77.277974] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.307307] CPU: 2 PID: 720 Comm: cat Not tainted 5.10.167-cip25 #1 <4>[ 77.313844] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.320650] PC is at lkdtm_BUG+0x14/0x18 <4>[ 77.324844] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 77.329557] pc : [] lr : [] psr: a00e0013 <4>[ 77.336093] sp : c62f1e58 ip : c62f1e68 fp : c62f1e64 <4>[ 77.341586] r10: 00000004 r9 : c1acd81c r8 : c15e88e4 <4>[ 77.347077] r7 : c62f1f60 r6 : 00000004 r5 : c64ed000 r4 : 00000001 <4>[ 77.353872] r3 : c0c35344 r2 : 8bcac8ea r1 : ef7ab5e0 r0 : c15e88ec <4>[ 77.360669] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.368071] Control: 10c5387d Table: 1672404a DAC: 00000051 <0>[ 77.374088] Process cat (pid: 720, stack limit = 0xbc14243d) <0>[ 77.380016] Stack: (0xc62f1e58 to 0xc62f2000) <0>[ 77.384646] 1e40: c62f1e74 c62f1e68 <0>[ 77.393095] 1e60: c0c34dd8 c0c35350 c62f1e9c c62f1e78 c0c352d8 c0c34db8 c0c351b8 c62bef00 <0>[ 77.401545] 1e80: b6e3d000 00000004 c536a540 c62f1f60 c62f1ec4 c62f1ea0 c07e1374 c0c351c4 <0>[ 77.409993] 1ea0: 00000000 c62bef00 b6e3d000 c2815800 c62f1f60 c07e1310 c62f1f5c c62f1ec8 <0>[ 77.418442] 1ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c62f0000 <0>[ 77.426892] 1ee0: b6e3d000 00020000 00000004 00000004 0001fffc c62f1ee0 00000001 b6e3c000 <0>[ 77.435340] 1f00: c62c4dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.443790] 1f20: 00000000 00000000 c1378200 8bcac8ea c205cba0 c62bef00 c62bef00 c62f0000 <0>[ 77.452242] 1f40: b6e3d000 00000000 00000000 00000004 c62f1f94 c62f1f60 c0599770 c05990dc <0>[ 77.460691] 1f60: 00000000 00000000 c62f1fac 8bcac8ea 00000004 00000004 b6f84e00 00000004 <0>[ 77.469141] 1f80: c03002e4 c62f0000 c62f1fa4 c62f1f98 c0599800 c0599708 00000000 c62f1fa8 <0>[ 77.477591] 1fa0: c03000c0 c05997f4 00000004 00000004 00000001 b6e3d000 00000004 00000000 <0>[ 77.486040] 1fc0: 00000004 00000004 b6f84e00 00000004 00000001 00000000 00020000 be8eea64 <0>[ 77.494490] 1fe0: 00000004 be8ee798 b6eef4cf b6e757e6 800e0030 00000001 00000000 00000000 <0>[ 77.502932] Backtrace: <0>[ 77.505660] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.513505] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.521789] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.529981] r9:c62f1f60 r8:c536a540 r7:00000004 r6:b6e3d000 r5:c62bef00 r4:c0c351b8 <0>[ 77.538005] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 77.546107] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e3d000 r5:c62bef00 r4:00000000 <0>[ 77.554122] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.561530] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c62f0000 r5:c62bef00 <0>[ 77.569625] r4:c62bef00 <0>[ 77.572433] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.579841] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000004 r4:00000004 <0>[ 77.587859] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.595696] Exception stack(0xc62f1fa8 to 0xc62f1ff0) <0>[ 77.601018] 1fa0: 00000004 00000004 00000001 b6e3d000 00000004 00000000 <0>[ 77.609466] 1fc0: 00000004 00000004 b6f84e00 00000004 00000001 00000000 00020000 be8eea64 <0>[ 77.617912] 1fe0: 00000004 be8ee798 b6eef4cf b6e757e6 <0>[ 77.623237] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 77.629604] ---[ end trace f8640c238fb1c10f ]--- <3>[ 77.634495] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 77.643635] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 720, name: cat <4>[ 77.651557] INFO: lockdep is turned off. <4>[ 77.655747] irq event stamp: 1558 <4>[ 77.659342] hardirqs last enabled at (1557): [] console_unlock+0x4b0/0x6c0 <4>[ 77.667443] hardirqs last disabled at (1558): [] __und_svc+0x60/0x6c <4>[ 77.674939] softirqs last enabled at (1554): [] __do_softirq+0x378/0x5fc <4>[ 77.682866] softirqs last disabled at (1549): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 77.690970] CPU: 2 PID: 720 Comm: cat Tainted: G D 5.10.167-cip25 #1 <4>[ 77.698893] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.705686] Backtrace: <4>[ 77.708422] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 77.716263] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fc78 <4>[ 77.722200] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 77.729789] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) <4>[ 77.737806] r9:600e0093 r8:0000000b r7:c035bd2c r6:00000031 r5:c19c9d74 r4:c62f0000 <4>[ 77.745822] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 77.753921] r6:00000000 r5:00000031 r4:c19c9d74 <4>[ 77.758818] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) <4>[ 77.766829] r6:00000001 r5:c62f0000 r4:c67fd100 <4>[ 77.771728] [] (exit_signals) from [] (do_exit+0x100/0xb38) <4>[ 77.779311] r8:0000000b r7:c1e0fb4c r6:ffffe000 r5:00000000 r4:c67fd100 <4>[ 77.786291] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 77.793868] r7:c1e0fb4c <4>[ 77.796680] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 77.804088] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 77.811410] r10:00000004 r9:c62f0000 r8:c15e88e4 r7:00000000 r6:c62f1dc8 r5:c0c35358 <4>[ 77.819507] r4:e7f001f2 <4>[ 77.822315] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 77.830499] Exception stack(0xc62f1dc8 to 0xc62f1e10) <4>[ 77.835823] 1dc0: c15e88ec ef7ab5e0 8bcac8ea c0c35344 00000001 c64ed000 <4>[ 77.844272] 1de0: 00000004 c62f1f60 c15e88e4 c1acd81c 00000004 c62f1e64 c62f1e68 c62f1e58 <4>[ 77.852717] 1e00: c0c34dd8 c0c35358 a00e0013 ffffffff <4>[ 77.858039] r7:c62f1dfc r6:ffffffff r5:a00e0013 r4:c0c3535c <4>[ 77.863973] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 77.871816] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 77.880096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 77.888285] r9:c62f1f60 r8:c536a540 r7:00000004 r6:b6e3d000 r5:c62bef00 r4:c0c351b8 <4>[ 77.896304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 77.904406] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e3d000 r5:c62bef00 r4:00000000 <4>[ 77.912421] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 77.919829] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c62f0000 r5:c62bef00 <4>[ 77.927925] r4:c62bef00 <4>[ 77.930731] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 77.938138] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000004 r4:00000004 <4>[ 77.946154] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 77.953990] Exception stack(0xc62f1fa8 to 0xc62f1ff0) <4>[ 77.959313] 1fa0: 00000004 00000004 00000001 b6e3d000 00000004 00000000 <4>[ 77.967761] 1fc0: 00000004 00000004 b6f84e00 00000004 00000001 00000000 00020000 be8eea64 <4>[ 77.976206] 1fe0: 00000004 be8ee798 b6eef4cf b6e757e6 # Segmentation fault # [ 77.256849] lkdtm: Performing direct entry BUG # [ 77.262167] ------------[ cut here ]------------ # [ 77.267072] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 77.272566] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 77.277974] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.307307] CPU: 2 PID: 720 Comm: cat Not tainted 5.10.167-cip25 #1 # [ 77.313844] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.320650] PC is at lkdtm_BUG+0x14/0x18 # [ 77.324844] LR is at lkdtm_do_action+0x2c/0x4c # [ 77.329557] pc : [] lr : [] psr: a00e0013 # [ 77.336093] sp : c62f1e58 ip : c62f1e68 fp : c62f1e64 # [ 77.341586] r10: 00000004 r9 : c1acd81c r8 : c15e88e4 # [ 77.347077] r7 : c62f1f60 r6 : 00000004 r5 : c64ed000 r4 : 00000001 # [ 77.353872] r3 : c0c35344 r2 : 8bcac8ea r1 : ef7ab5e0 r0 : c15e88ec # [ 77.360669] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.368071] Control: 10c5387d Table: 1672404a DAC: 00000051 # [ 77.374088] Process cat (pid: 720, stack limit = 0xbc14243d) # [ 77.380016] Stack: (0xc62f1e58 to 0xc62f2000) # [ 77.384646] 1e40: c62f1e74 c62f1e68 # [ 77.393095] 1e60: c0c34dd8 c0c35350 c62f1e9c c62f1e78 c0c352d8 c0c34db8 c0c351b8 c62bef00 # [ 77.401545] 1e80: b6e3d000 00000004 c536a540 c62f1f60 c62f1ec4 c62f1ea0 c07e1374 c0c351c4 # [ 77.409993] 1ea0: 00000000 c62bef00 b6e3d000 c2815800 c62f1f60 c07e1310 c62f1f5c c62f1ec8 # [ 77.418442] 1ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c62f0000 # [ 77.426892] 1ee0: b6e3d000 00020000 00000004 00000004 0001fffc c62f1ee0 00000001 b6e3c000 # [ 77.435340] 1f00: c62c4dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.443790] 1f20: 00000000 00000000 c1378200 8bcac8ea c205cba0 c62bef00 c62bef00 c62f0000 # [ 77.452242] 1f40: b6e3d000 00000000 00000000 00000004 c62f1f94 c62f1f60 c0599770 c05990dc # [ 77.460691] 1f60: 00000000 00000000 c62f1fac 8bcac8ea 00000004 00000004 b6f84e00 00000004 # [ 77.469141] 1f80: c03002e4 c62f0000 c62f1fa4 c62f1f98 c0599800 c0599708 00000000 c62f1fa8 # [ 77.477591] 1fa0: c03000c0 c05997f4 00000004 00000004 00000001 b6e3d000 00000004 00000000 # [ 77.486040] 1fc0: 00000004 00000004 b6f84e00 00000004 00000001 00000000 00020000 be8eea64 # [ 77.494490] 1fe0: 00000004 be8ee798 b6eef4cf b6e757e6 800e0030 00000001 00000000 00000000 # [ 77.502932] Backtrace: # [ 77.505660] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.513505] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.521789] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.529981] r9:c62f1f60 r8:c536a540 r7:00000004 r6:b6e3d000 r5:c62bef00 r4:c0c351b8 # [ 77.538005] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 77.546107] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e3d000 r5:c62bef00 r4:00000000 # [ 77.554122] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.561530] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c62f0000 r5:c62bef00 # [ 77.569625] r4:c62bef00 # [ 77.572433] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.579841] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000004 r4:00000004 # [ 77.587859] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.595696] Exception stack(0xc62f1fa8 to 0xc62f1ff0) # [ 77.601018] 1fa0: 00000004 00000004 00000001 b6e3d000 00000004 00000000 # [ 77.609466] 1fc0: 00000004 00000004 b6f84e00 00000004 00000001 00000000 00020000 be8eea64 # [ 77.617912] 1fe0: 00000004 be8ee798 b6eef4cf b6e757e6 # [ 77.623237] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 77.629604] ---[ end trace f8640c238fb1c10f ]--- # [ 77.634495] BUG: sleeping function called from invalid context a<6>[ 78.423498] lkdtm: Performing direct entry WARNING t include/linux/percpu-rwsem.h:49<4>[ 78.429844] ------------[ cut here ]------------ # [ 77.643635] in_atomic(): 0<4>[ 78.437541] WARNING: CPU: 3 PID: 791 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c , irqs_disabled(): 128, non_block<4>[ 78.449281] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 : 0, pid: 720, name: cat # [ 7<4>[ 78.481114] CPU: 3 PID: 791 Comm: cat Tainted: G D W 5.10.167-cip25 #1 7.651557] INFO: lockdep is turned<4>[ 78.491837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) off. # [ 77.655747] irq event<4>[ 78.501487] Backtrace: stamp: 1558 # [ 77.659342] ha<4>[ 78.507079] [] (dump_backtrace) from [] (show_stack+0x20/0x24) rdirqs last enabled at (1557): [<4>[ 78.517757] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 ] console_unlock+0x4b0/<4>[ 78.526542] [] (show_stack) from [] (dump_stack+0xe0/0x100) 0x6c0 # [ 77.667443] hardirqs <4>[ 78.536976] [] (dump_stack) from [] (__warn+0x98/0x14c) last disabled at (1558): [[ 78.547055] r9:00000009 r8:c0c353a4 r7:00000053 r6:00000009 r5:c0c353a4 r4:c1acded8 60>] __und_svc+0x60/0x6c # [ 7<4>[ 78.557924] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 7.674939] softirqs last enabled <4>[ 78.568525] r7:00000053 r6:c1acded8 r5:00000000 r4:c63a6000 at (1554): [] __do_soft<4>[ 78.577313] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) irq+0x378/0x5fc # [ 77.682866]<4>[ 78.588523] r9:c1acd820 r8:c15e88e4 r7:c63a7f60 r6:00000008 r5:c6523000 r4:00000002 softirqs last disabled at (1549)<4>[ 78.599389] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) : [] __irq_exit_rcu+0x1<4>[ 78.610429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 78/0x1d0 # [ 77.690970] CPU: 2<4>[ 78.621560] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) PID: 720 Comm: cat Tainted: G <4>[ 78.632593] r9:c63a7f60 r8:c536a540 r7:00000008 r6:b6e70000 r5:c5a03540 r4:c0c351b8 D 5.10.167-cip25 #1 <4>[ 78.643467] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 77.698893] Hardware name: <4>[ 78.654413] r9:c07e1310 r8:c63a7f60 r7:c2815800 r6:b6e70000 r5:c5a03540 r4:00000000 Freescale i.MX6 Quad/DualLite (De<4>[ 78.665280] [] (vfs_write) from [] (ksys_write+0x74/0xec) vice Tree) # [ 77.705686] Back<4>[ 78.675538] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c63a6000 r5:c5a03540 trace: # [ 77.708422] [[ 78.686487] r4:c5a03540 e28>] (dump_backtrace) from [[ 78.692150] [] (ksys_write) from [] (sys_write+0x18/0x1c) 551e8>] (show_stack+0x20/0x24) <4>[ 78.702408] r9:c63a6000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000008 r4:00000008 # [ 77.716263] r7:ffffffff r6:<4>[ 78.713191] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 600e0093 r5:00000000 r4:c1f0fc78 <4>[ 78.723879] Exception stack(0xc63a7fa8 to 0xc63a7ff0) <4>[ 78.732059] 7fa0: 00000008 00000008 00000001 b6e70000 00000008 00000000 # [ 77.722200] [] (sh<4>[ 78.740582] 7fc0: 00000008 00000008 b6fb7e00 00000004 00000001 00000000 00020000 be877a64 ow_stack) from [] (dump<4>[ 78.751882] 7fe0: 00000004 be877798 b6f224cf b6ea87e6 _stack+0xe0/0x100) <4>[ 78.760123] irq event stamp: 0 # [ 77.729789] [] (du<4>[ 78.765114] hardirqs last enabled at (0): [<00000000>] 0x0 mp_stack) from [] (___m<4>[ 78.773867] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 ight_sleep+0x1ac/0x2bc) # [ 77<4>[ 78.784506] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 .737806] r9:600e0093 r8:0000000b<4>[ 78.795083] softirqs last disabled at (0): [<00000000>] 0x0 r7:c035bd2c r6:00000031 r5:c19c9<4>[ 78.803757] ---[ end trace f8640c238fb1c110 ]--- d74 r4:c62f0000 # [ 77.745822] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 77.753921] r6:00000000 r5:00000031 r4:c19c9d74 # [ 77.758818] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 77.766829] r6:00000001 r5:c62f0000 r4:c67fd100 # [ 77.771728] [] (exit_signals) from [] (do_exit+0x100/0xb38) # [ 77.779311] r8:0000000b r7:c1e0fb4c r6:ffffe000 r5:00000000 r4:c67fd100 # [ 77.786291] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 77.793868] r7:c1e0fb4c # [ 77.796680] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 77.804088] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 77.811410] r10:00000004 r9:c62f0000 r8:c15e88e4 r7:00000000 r6:c62f1dc8 r5:c0c35358 # [ 77.819507] r4:e7f001f2 # [ 77.822315] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 77.830499] Exception stack(0xc62f1dc8 to 0xc62f1e10) # [ 77.835823] 1dc0: c15e88ec ef7ab5e0 8bcac8ea c0c35344 00000001 c64ed000 # [ 77.844272] 1de0: 00000004 c62f1f60 c15e88e4 c1acd81c 00000004 c62f1e64 c62f1e68 c62f1e58 # [ 77.852717] 1e00: c0c34dd8 c0c35358 a00e0013 ffffffff # [ 77.858039] r7:c62f1dfc r6:ffffffff r5:a00e0013 r4:c0c3535c # [ 77.863973] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.871816] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.880096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.888285] r9:c62f1f60 r8:c536a540 r7:00000004 r6:b6e3d000 r5:c62bef00 r4:c0c351b8 # [ 77.896304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 77.904406] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e3d000 r5:c62bef00 r4:00000000 # [ 77.912421] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.919829] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c62f0000 r5:c62bef00 # [ 77.927925] r4:c62bef00 # [ 77.930731] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.938138] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000004 r4:00000004 # [ 77.946154] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.953990] Exception stack(0xc62f1fa8 to 0xc62f1ff0) # [ 77.959313] 1fa0: 00000004 00000004 00000001 b6e3d000 00000004 00000000 # [ 77.967761] 1fc0: 00000004 00000004 b6f84e00 00000004 00000001 00000000 00020000 be8eea64 # [ 77.976206] 1fe0: 00000004 be8ee798 b6eef4cf b6e757e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 78.423498] lkdtm: Performing direct entry WARNING # [ 78.429844] ------------[ cut here ]------------ # [ 78.437541] WARNING: CPU: 3 PID: 791 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 78.449281] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.481114] CPU: 3 PID: 791 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 78.491837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.501487] Backtrace: # [ 78.507079] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 78.517757] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 78.526542] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 78.536976] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 78.547055] r9:00000009 r8:c0c353a4 r7:00000053 r6:00000009 r5:c0c353a4 r4:c1acded8 # [ 78.557924] [] (<6>[ 79.155275] lkdtm: Performing direct entry WARNING_MESSAGE __warn) from [] (warn_s<4>[ 79.161920] ------------[ cut here ]------------ lowpath_fmt+0x8c/0xa8) # [ 78.<4>[ 79.169628] WARNING: CPU: 2 PID: 826 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 568525] r7:00000053 r6:c1acded8 <4>[ 79.181913] Warning message trigger count: 2 r5:00000000 r4:c63a6000 # [ 78<4>[ 79.189259] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 .577313] [] (warn_slowp<4>[ 79.221233] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.167-cip25 #1 ath_fmt) from [] (lkdtm<4>[ 79.231968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) _WARNING+0x48/0x4c) # [ 78.588<4>[ 79.241618] Backtrace: 523] r9:c1acd820 r8:c15e88e4 r7:<4>[ 79.247207] [] (dump_backtrace) from [] (show_stack+0x20/0x24) c63a7f60 r6:00000008 r5:c6523000 <4>[ 79.257886] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 r4:00000002 # [ 78.599389] [[ 79.266675] [] (show_stack) from [] (dump_stack+0xe0/0x100) 0c3535c>] (lkdtm_WARNING) from [<<4>[ 79.277108] [] (dump_stack) from [] (__warn+0x98/0x14c) c0c34dd8>] (lkdtm_do_action+0x2c/<4>[ 79.287187] r9:00000009 r8:c0c353f4 r7:00000058 r6:00000009 r5:c0c353f4 r4:c1acded8 0x4c) # [ 78.610429] [[ 79.298058] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) c>] (lkdtm_do_action) from [[ 79.308659] r7:00000058 r6:c1acded8 r5:c1acdef4 r4:c6370000 52d8>] (direct_entry+0x120/0x18c)<4>[ 79.317449] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 78.621560] [] (<4>[ 79.329351] r9:c1acd828 r8:c15e88e4 r7:c6371f60 r6:00000010 r5:c6524000 r4:00000003 direct_entry) from [] (<4>[ 79.340217] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) full_proxy_write+0x64/0x94) # [ <4>[ 79.351952] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 78.632593] r9:c63a7f60 r8:c536<4>[ 79.363083] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) a540 r7:00000008 r6:b6e70000 r5:c<4>[ 79.374117] r9:c6371f60 r8:c536a540 r7:00000010 r6:b6e76000 r5:c6284640 r4:c0c351b8 5a03540 r4:c0c351b8 # [ 78.643<4>[ 79.384989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 467] [] (full_proxy_wri<4>[ 79.395935] r9:c07e1310 r8:c6371f60 r7:c2815800 r6:b6e76000 r5:c6284640 r4:00000000 te) from [] (vfs_write+<4>[ 79.406802] [] (vfs_write) from [] (ksys_write+0x74/0xec) 0x10c/0x524) # [ 78.654413] r<4>[ 79.417059] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c6370000 r5:c6284640 9:c07e1310 r8:c63a7f60 r7:c281580<4>[ 79.428009] r4:c6284640 0 r6:b6e70000 r5:c5a03540 r4:0000<4>[ 79.433674] [] (ksys_write) from [] (sys_write+0x18/0x1c) 0000 # [ 78.665280] [[ 79.443928] r9:c6370000 r8:c03002e4 r7:00000004 r6:b6fbde00 r5:00000010 r4:00000010 >] (vfs_write) from [] <4>[ 79.454799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) (ksys_write+0x74/0xec) # [ 78.<4>[ 79.465484] Exception stack(0xc6371fa8 to 0xc6371ff0) 675538] r10:00000004 r9:00000000<4>[ 79.473664] 1fa0: 00000010 00000010 00000001 b6e76000 00000010 00000000 r8:00000000 r7:b6e70000 r6:c63a6<4>[ 79.484964] 1fc0: 00000010 00000010 b6fbde00 00000004 00000001 00000000 00020000 becf9a64 000 r5:c5a03540 # [ 78.686487]<4>[ 79.496260] 1fe0: 00000004 becf9798 b6f284cf b6eae7e6 r4:c5a03540 # [ 78.692150] [<4>[ 79.504473] irq event stamp: 0 ] (ksys_write) from [[ 79.510649] hardirqs last enabled at (0): [<00000000>] 0x0 0599800>] (sys_write+0x18/0x1c) <4>[ 79.519351] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 78.702408] r9:c63a6000 r8:<4>[ 79.529951] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 c03002e4 r7:00000004 r6:b6fb7e00 <4>[ 79.540558] softirqs last disabled at (0): [<00000000>] 0x0 r5:00000008 r4:00000008 # [ 78<4>[ 79.549251] ---[ end trace f8640c238fb1c111 ]--- .713191] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.723879] Exception stack(0xc63a7fa8 to 0xc63a7ff0) # [ 78.732059] 7fa0: 00000008 00000008 00000001 b6e70000 00000008 00000000 # [ 78.740582] 7fc0: 00000008 00000008 b6fb7e00 00000004 00000001 00000000 00020000 be877a64 # [ 78.751882] 7fe0: 00000004 be877798 b6f224cf b6ea87e6 # [ 78.760123] irq event stamp: 0 # [ 78.765114] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 78.773867] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 78.784506] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 78.795083] softirqs last disabled at (0): [<00000000>] 0x0 # [ 78.803757] ---[ end trace f8640c238fb1c110 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 79.155275] lkdtm: Performing direct entry WARNING_MESSAGE # [ 79.161920] ------------[ cut here ]------------ # [ 79.169628] WARNING: CPU: 2 PID: 826 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 79.181913] Warning message trigger count: 2 # [ 79.189259] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.221233] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 79.231968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.241618] Backtrace: # [ 79.247207] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.257886] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 79.266675] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.277108] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 79.287187] r9:00000009 r8:c0c353f4 r7:00000058 r6:00000009 r5:c0c353f4 r4:c1acded8 # [ 79.298058] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 79.308659] r7:00000058 r6:c1acded8 r5:c1acdef4 r4:c6370000 # [ 79.317449] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 79.329351] r9:c1acd828 r8:c15e88e4 r7:c6371f60 r6:00000010 r5:c6524000 r4:00000003 # [ 79.340217] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.351952] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.363083] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.374117] r9:c6371f60 r8:c536a540 r7:00000010 r6:b6e76000 r5:c6284640 r4:c0c351b8 # [ 79.384989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 79.395935] r9:c07e1310 r8:c6371f60 r7:c2815800 r6:b6e76000 r5:c6284640 r4:00000000 # [ 79.406802] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.417059] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c6370000 r5:c6284640 # [ 79.428009] r4:c6284640 # [ 79.433674] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.443928] r9:c6370000 r8:c03002e4 r7:00000004 r6:b6fbde00 r5:00000010 r4:00000010 # [ 79.454799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.465484] Exception stack(0xc6371fa8 to 0xc6371ff0) # [ 79.473664] 1fa0: 00000010 00000010 00000001 b6e76000 00000010 00000000 # [ 79.484964] 1fc0: 00000010 00000010 b6fbde00 00000004 00000001 00000000 00020000 becf9a64 # [ 79.496260] 1fe0: 0000<6>[ 79.884417] lkdtm: Performing direct entry EXCEPTION 0004 becf9798 b6f284cf b6eae7e6 <1>[ 79.890712] 8<--- cut here --- # [ 79.504473] irq e[n t 79.896846] Unable to handle kernel NULL pointer dereference at virtual address 00000000 stamp: 0 # [ 79.510649] hardir<1>[ 79.907763] pgd = db1d7b23 qs last enabled at (0): [<000000<1>[ 79.913331] [00000000] *pgd=00000000 00>] 0x0 # [ 79.519351] hardir<0>[ 79.920129] Internal error: Oops: 805 [#2] SMP ARM qs last disabled at (0): [[ 79.927918] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 04>] copy_process+0x5f8/<04x>1[9 79.959879] CPU: 2 PID: 858 Comm: cat Tainted: G D W 5.10.167-cip25 #1 4 # [ 79.5299<54>1[] s o7f9t970214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) irqs last enabled at (0): [<] copy_process<+40>x[5 f 79.986301] LR is at lkdtm_do_action+0x2c/0x4c /0x1974 # [ 7<94.>5[4 0 5 5789.993253] pc : [] lr : [] psr: a00e0013 softirqs last< 4d>i[s a b l8e0d.001858] sp : c5a5fe58 ip : c5a5fe68 fp : c5a5fe64 at (0): [<000<04>0[0 0 0 >8]0 .0009335] r10: 0000000a r9 : c1acd838 r8 : c15e88e4 0 # [ 79.54<942>5[1 ] -8-0-.016725] r7 : c5a5ff60 r6 : 0000000a r5 : c6524000 r4 : 00000004 end trace f86<440>c[2 3 8 f8b01.025504] r3 : 00000000 r2 : 045ea15f r1 : ef7ab5e0 r0 : c15e8904 111 ]--- # WARNINM[E S S A80.034285] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none E: saw 'message< 4t>r[i g g e8r0'043842] Control: 10c5387d Table: 1654004a DAC: 00000051 : ok ok 4 selftests<:0> [l k d t0.051843] Process cat (pid: 858, stack limit = 0x54b023d5) m: WARNING_MESG[E . s h8 0 .059925] Stack: (0xc5a5fe58 to 0xc5a60000) selftests: lkdtm: C[E P T I0.066535] fe40: c5a5fe74 c5a5fe68 ON.sh <0>[ 80.077139] fe60: c0c34dd8 c0c35408 c5a5fe9c c5a5fe78 c0c352d8 c0c34db8 c0c351b8 c62c5b80 <0>[ 80.086178] fe80: b6dd5000 0000000a c536a540 c5a5ff60 c5a5fec4 c5a5fea0 c07e1374 c0c351c4 <0>[ 80.094625] fea0: 00000000 c62c5b80 b6dd5000 c2815800 c5a5ff60 c07e1310 c5a5ff5c c5a5fec8 <0>[ 80.103071] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c5a5e000 <0>[ 80.111516] fee0: b6dd5000 00020000 00000004 0000000a 0001fff6 c5a5fee0 00000001 b6dd4000 <0>[ 80.119961] ff00: c629b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.128406] ff20: 00000000 00000000 c1378200 045ea15f c205cba0 c62c5b80 c62c5b80 c5a5e000 <0>[ 80.136852] ff40: b6dd5000 00000000 00000000 00000004 c5a5ff94 c5a5ff60 c0599770 c05990dc <0>[ 80.145299] ff60: 00000000 00000000 c5a5ffac 045ea15f 0000000a 0000000a b6f1ce00 00000004 <0>[ 80.153744] ff80: c03002e4 c5a5e000 c5a5ffa4 c5a5ff98 c0599800 c0599708 00000000 c5a5ffa8 <0>[ 80.162189] ffa0: c03000c0 c05997f4 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 <0>[ 80.170634] ffc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb55a64 <0>[ 80.179078] ffe0: 00000004 beb55798 b6e874cf b6e0d7e6 800e0030 00000001 00000000 00000000 <0>[ 80.187519] Backtrace: <0>[ 80.190244] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.198605] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.206884] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.215071] r9:c5a5ff60 r8:c536a540 r7:0000000a r6:b6dd5000 r5:c62c5b80 r4:c0c351b8 <0>[ 80.223088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 80.231188] r9:c07e1310 r8:c5a5ff60 r7:c2815800 r6:b6dd5000 r5:c62c5b80 r4:00000000 <0>[ 80.239201] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.246606] r10:00000004 r9:00000000 r8:00000000 r7:b6dd5000 r6:c5a5e000 r5:c62c5b80 <0>[ 80.254701] r4:c62c5b80 <0>[ 80.257503] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.264908] r9:c5a5e000 r8:c03002e4 r7:00000004 r6:b6f1ce00 r5:0000000a r4:0000000a <0>[ 80.272923] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.280757] Exception stack(0xc5a5ffa8 to 0xc5a5fff0) <0>[ 80.286078] ffa0: 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 <0>[ 80.294522] ffc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb55a64 <0>[ 80.302965] ffe0: 00000004 beb55798 b6e874cf b6e0d7e6 <0>[ 80.308286] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 80.314697] ---[ end trace f8640c238fb1c112 ]--- # Segmentation fault # [ 79.884417] lkdtm: Performing direct entry EXCEPTION # [ 79.890712] 8<--- cut here --- # [ 79.896846] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.907763] pgd = db1d7b23 # [ 79.913331] [00000000] *pgd=00000000 # [ 79.920129] Internal error: Oops: 805 [#2] SMP ARM # [ 79.927918] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.959879] CPU: 2 PID: 858 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 79.970214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.979003] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 79.986301] LR is at lkdtm_do_action+0x2c/0x4c # [ 79.993253] pc : [] lr : [] psr: a00e0013 # [ 80.001858] sp : c5a5fe58 ip : c5a5fe68 fp : c5a5fe64 # [ 80.009335] r10: 0000000a r9 : c1acd838 r8 : c15e88e4 # [ 80.016725] r7 : c5a5ff60 r6 : 0000000a r5 : c6524000 r4 : 00000004 # [ 80.025504] r3 : 00000000 r2 : 045ea15f r1 : ef7ab5e0 r0 : c15e8904 # [ 80.034285] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.043842] Control: 10c5387d Table: 1654004a DAC: 00000051 # [ 80.051843] Process cat (pid: 858, stack limit = 0x54b023d5) # [ 80.059925] Stack: (0xc5a5fe58 to 0xc5a60000) # [ 80.066535] fe40: c5a5fe74 c5a5fe68 # [ 80.077139] fe60: c0c34dd8 c0c35408 c5a5fe9c c5a5fe78 c0c352d8 c0c34db8 c0c351b8 c62c5b80 # [ 80.086178] fe80: b6dd5000 0000000a c536a540 c5a5ff60 c5a5fec4 c5a5fea0 c07e1374 c0c351c4 # [ 80.094625] fea0: 00000000 c62c5b80 b6dd5000 c2815800 c5a5ff60 c07e1310 c5a5ff5c c5a5fec8 # [ 80.103071] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c5a5e000 # [ 80.111516] fee0: b6dd5000 00020000 00000004 0000000a 0001fff6 c5a5fee0 00000001 b6dd4000 # [ 80.119961] ff00: c629b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.128406] ff20: 00000000 00000000 c1378200 045ea15f c205cba0 c62c5b80 c62c5b80 c5a5e000 # [ 80.136852] ff40: b6dd5000 00000000 00000000 00000004 c5a5ff94 c5a5ff60 c0599770 c05990dc # [ 80.145299] ff60: 00000000 00000000 c5a5ffac 045ea15f 0000000a 0000000a b6f1ce00 00000004 # [ 80.153744] ff80: c03002e4 c5a5e000 c5a5ffa4 c5a5ff98 c0599800 c0599708 00000000 c5a5ffa8 # [ 80.162189] ffa0: c03000c0 c05997f4 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 # [ 80.170634] ffc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb55a64 # [ 80.179078] ffe0: 00000004 beb55798 b6e874cf b6e0d7e6 800e0030 00000001 00000000 00000000 # [ 80.187519] Backtrace: # [ 80.190244] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.198605] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.206884] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.215071] r9:c5a5ff60 r8:c536a540 r7:0000000a r6:b6dd5000 r5:c62c5b80 r4:c0c351b8 # [ 80.223088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 80.231188] r9:c07e1310 r8:c5a5ff60 r7:c2815800 r6:b6dd5000 r5:c62c5b80 r4:00000000 # [ 80.239201] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.246606] r10:00000004 r9:00000000 r8:00000000 r7:b6dd5000 r6:c5a5e000 r5:c62c5b80 # [ 80.254701] r4:c62c5b80 # [ 80.257503] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.264908] r9:c5a5e000 r8:c03002e4 r7:00000004 r6:b6f1ce00 r5:0000000a r4:0000000a # [ 80.272923] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.280757] Exception stack(0xc5a5ffa8 to 0xc5a5fff0) # [ 80.286078] ffa0: 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 # [ 80.294522] ffc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb55a64 # [ 80.302965] ffe0: 00000004 beb55798 b6e874cf b6e0d7e6 # [ 80.308286] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 80.314697] ---[ end trace f8640c238fb1c112 ]--- # EXCEPTION: missing 'call trace:': [FAIL] not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1 # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 81.442673] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 81.448606] lkdtm: attempting good list addition <6>[ 81.453496] lkdtm: attempting corrupted list addition <3>[ 81.458879] lkdtm: list_add() corruption not detected! # [ 81.442673] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 81.448606] lkdtm: attempting good list addition # [ 81.453496] lkdtm: attempting corrupted list addition # [ 81.458879] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 81.784728] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 81.790679] lkdtm: attempting good list removal <6>[ 81.795485] lkdtm: attempting corrupted list removal <3>[ 81.800856] lkdtm: list_del() corruption not detected! # [ 81.784728] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 81.790679] lkdtm: attempting good list removal # [ 81.795485] lkdtm: attempting corrupted list removal # [ 81.800856] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 82.124635] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 82.131234] lkdtm: attempting bad read from page below current stack <3>[ 82.138085] lkdtm: FAIL: accessed page before stack! (byte: 3f) # [ 82.124635] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 82.131234] lkdtm: attempting bad read from page below current stack # [ 82.138085] lkdtm: FAIL: accessed page before stack! (byte: 3f) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 82.460767] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 82.467403] lkdtm: attempting bad read from page above current stack <3>[ 82.474217] lkdtm: FAIL: accessed page after stack! (byte: 6c) # [ 82.460767] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 82.467403] lkdtm: attempting bad read from page above current stack # [ 82.474217] lkdtm: FAIL: accessed page after stack! (byte: 6c) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 82.804989] lkdtm: Performing direct entry UNSET_SMEP <3>[ 82.810430] lkdtm: XFAIL: this test is x86_64-only # [ 82.804989] lkdtm: Performing direct entry UNSET_SMEP # [ 82.810430] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 83.123746] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 83.129474] lkdtm: XFAIL: this test is ia32-only # [ 83.123746] lkdtm: Performing direct entry DOUBLE_FAULT # [ 83.129474] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh <6>[ 83.429765] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 83.435186] lkdtm: XFAIL: this test is arm64-only # [ 83.429765] lkdtm: Performing direct entry CORRUPT_PAC # [ 83.435186] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 83.720468] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 83.727191] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 83.720468] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 83.727191] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 84.396171] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 84.402325] lkdtm: Value in memory before free: 12345678 <6>[ 84.407984] lkdtm: Attempting bad read from freed memory <6>[ 84.413573] lkdtm: Memory was not poisoned # [ 84.396171] lkdtm: Performing direct entry READ_AFTER_FREE # [ 84.402325] lkdtm: Value in memory before free: 12345678 # [ 84.407984] lkdtm: Attempting bad read from freed memory # [ 84.413573] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 84.907480] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 84.913875] lkdtm: Value in memory before free: 12345678 <6>[ 84.919502] lkdtm: Attempting to read from freed memory <6>[ 84.925000] lkdtm: Buddy page was not poisoned # [ 84.907480] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 84.913875] lkdtm: Value in memory before free: 12345678 # [ 84.919502] lkdtm: Attempting to read from freed memory # [ 84.925000] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 85.225038] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 85.231072] lkdtm: Attempting double slab free ... # [ 85.225038] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 85.231072] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 85.531102] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 85.536881] lkdtm: Attempting cross-cache slab free ... # [ 85.531102] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 85.536881] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 85.836199] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 85.842077] lkdtm: Attempting non-Slab slab free ... # [ 85.836199] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 85.842077] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 86.907609] lkdtm: Performing direct entry EXEC_DATA <6>[ 86.912931] lkdtm: attempting ok execution at c0c35b48 <6>[ 86.918388] lkdtm: attempting bad execution at c26f796c <1>[ 86.923892] 8<--- cut here --- <1>[ 86.927214] Unable to handle kernel paging request at virtual address c26f796c <1>[ 86.934705] pgd = f089a938 <1>[ 86.937678] [c26f796c] *pgd=1261141e(bad) <0>[ 86.941968] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 86.947461] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 86.976748] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 86.984757] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.991556] PC is at data_area+0x0/0x40 <4>[ 86.995665] LR is at execute_location+0xa4/0xb4 <4>[ 87.000460] pc : [] lr : [] psr: 600e0013 <4>[ 87.006992] sp : c62bfe38 ip : 00000027 fp : c62bfe54 <4>[ 87.012483] r10: 0000000a r9 : c1acda1c r8 : c15e88e4 <4>[ 87.017972] r7 : c62bff60 r6 : 00000001 r5 : c26f796c r4 : c0c35b48 <4>[ 87.024763] r3 : 85611fa9 r2 : 85611fa9 r1 : ef7965e4 r0 : 0000002b <4>[ 87.031557] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 87.038957] Control: 10c5387d Table: 161dc04a DAC: 00000051 <0>[ 87.044969] Process cat (pid: 1701, stack limit = 0xd340f3cb) <0>[ 87.050981] Stack: (0xc62bfe38 to 0xc62c0000) <0>[ 87.055606] fe20: 0000001f c5b31000 <0>[ 87.064053] fe40: 0000000a c62bff60 c62bfe64 c62bfe58 c1362b74 c1362970 c62bfe74 c62bfe68 <0>[ 87.072498] fe60: c0c34dd8 c1362b5c c62bfe9c c62bfe78 c0c352d8 c0c34db8 c0c351b8 c6137cc0 <0>[ 87.080943] fe80: b6db9000 0000000a c536a540 c62bff60 c62bfec4 c62bfea0 c07e1374 c0c351c4 <0>[ 87.089388] fea0: 00000000 c6137cc0 b6db9000 c2815800 c62bff60 c07e1310 c62bff5c c62bfec8 <0>[ 87.097833] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c62be000 <0>[ 87.106279] fee0: b6db9000 00020000 00000004 0000000a 0001fff6 c62bfee0 00000001 b6db8000 <0>[ 87.114723] ff00: c5afe8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 87.123168] ff20: 00000000 00000000 c1378200 85611fa9 c205cba0 c6137cc0 c6137cc0 c62be000 <0>[ 87.131613] ff40: b6db9000 00000000 00000000 00000004 c62bff94 c62bff60 c0599770 c05990dc <0>[ 87.140058] ff60: 00000000 00000000 c62bffac 85611fa9 0000000a 0000000a b6f00e00 00000004 <0>[ 87.148503] ff80: c03002e4 c62be000 c62bffa4 c62bff98 c0599800 c0599708 00000000 c62bffa8 <0>[ 87.156947] ffa0: c03000c0 c05997f4 0000000a 0000000a 00000001 b6db9000 0000000a 00000000 <0>[ 87.165392] ffc0: 0000000a 0000000a b6f00e00 00000004 00000001 00000000 00020000 bed82a64 <0>[ 87.173836] ffe0: 00000004 bed82798 b6e6b4cf b6df17e6 800e0030 00000001 00000000 00000000 <0>[ 87.182276] Backtrace: <0>[ 87.185001] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 87.193448] r7:c62bff60 r6:0000000a r5:c5b31000 r4:0000001f <0>[ 87.199379] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 87.207742] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 87.216021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 87.224205] r9:c62bff60 r8:c536a540 r7:0000000a r6:b6db9000 r5:c6137cc0 r4:c0c351b8 <0>[ 87.232224] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 87.240323] r9:c07e1310 r8:c62bff60 r7:c2815800 r6:b6db9000 r5:c6137cc0 r4:00000000 <0>[ 87.248336] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 87.255742] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c62be000 r5:c6137cc0 <0>[ 87.263836] r4:c6137cc0 <0>[ 87.266643] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 87.274049] r9:c62be000 r8:c03002e4 r7:00000004 r6:b6f00e00 r5:0000000a r4:0000000a <0>[ 87.282067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 87.289902] Exception stack(0xc62bffa8 to 0xc62bfff0) <0>[ 87.295222] ffa0: 0000000a 0000000a 00000001 b6db9000 0000000a 00000000 <0>[ 87.303667] ffc0: 0000000a 0000000a b6f00e00 00000004 00000001 00000000 00020000 bed82a64 <0>[ 87.312114] ffe0: 00000004 bed82798 b6e6b4cf b6df17e6 <0>[ 87.317436] Code: 00000000 c400e9c0 c400ea80 c400eb40 (e1a0c00d) <4>[ 87.323800] ---[ end trace f8640c238fb1c113 ]--- # Segmentation fault # [ 86.907609] lkdtm: Performing direct entry EXEC_DATA # [ 86.912931] lkdtm: attempting ok execution at c0c35b48 # [ 86.918388] lkdtm: attempting bad execution at c26f796c # [ 86.923892] 8<--- cut here --- # [ 86.927214] Unable to handle kernel paging request at virtual address c26f796c # [ 86.934705] pgd = f089a938 # [ 86.937678] [c26f796c] *pgd=1261141e(bad) # [ 86.941968] Internal error: Oops: 8000000d [#3] SMP ARM # [ 86.947461] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.976748] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 86.984757] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.991556] PC is at data_area+0x0/0x40 # [ 86.995665] LR is at execute_location+0xa4/0xb4 # [ 87.000460] pc : [] lr : [] psr: 600e0013 # [ 87.006992] sp : c62bfe38 ip : 00000027 fp : c62bfe54 # [ 87.012483] r10: 0000000a r9 : c1acda1c r8 : c15e88e4 # [ 87.017972] r7 : c62bff60 r6 : 00000001 r5 : c26f796c r4 : c0c35b48 # [ 87.024763] r3 : 85611fa9 r2 : 85611fa9 r1 : ef7965e4 r0 : 0000002b # [ 87.031557] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.038957] Control: 10c5387d Table: 161dc04a DAC: 00000051 # [ 87.044969] Process cat (pid: 1701, stack limit = 0xd340f3cb) # [ 87.050981] Stack: (0xc62bfe38 to 0xc62c0000) # [ 87.055606] fe20: 0000001f c5b31000 # [ 87.064053] fe40: 0000000a c62bff60 c62bfe64 c62bfe58 c1362b74 c1362970 c62bfe74 c62bfe68 # [ 87.072498] fe60: c0c34dd8 c1362b5c c62bfe9c c62bfe78 c0c352d8 c0c34db8 c0c351b8 c6137cc0 # [ 87.080943] fe80: b6db9000 0000000a c536a540 c62bff60 c62bfec4 c62bfea0 c07e1374 c0c351c4 # [ 87.089388] fea0: 00000000 c6137cc0 b6db9000 c2815800 c62bff60 c07e1310 c62bff5c c62bfec8 # [ 87.097833] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c62be000 # [ 87.106279] fee0: b6db9000 00020000 00000004 0000000a 0001fff6 c62bfee0 00000001 b6db8000 # [ 87.114723] ff00: c5afe8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.123168] ff20: 00000000 00000000 c1378200 85611fa9 c205cba0 c6137cc0 c6137cc0 c62be000 # [ 87.131613] ff40: b6db9000 00000000 00000000 00000004 c62bff94 c62bff60 c0599770 c05990dc # [ 87.140058] ff60: 00000000 00000000 c62bffac 85611fa9 0000000a 0000000a b6f00e00 00000004 # [ 87.148503] ff80: c03002e4 c62be000 c62bffa4 c62bff98 c0599800 c0599708 00000000 c62bffa8 # [ 87.156947] ffa0: c03000c0 c05997f4 0000000a 0000000a 00000001 b6db9000 0000000a 00000000 # [ 87.165392] ffc0: 0000000a 0000000a b6f00e00 00000004 00000001 00000000 00020000 bed82a64 # [ 87.173836] ffe0: 00000004 bed82798 b6e6b4cf b6df17e6 800e0030 00000001 00000000 00000000 # [ 87.182276] Backtrace: # [ 87.185001] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 87.193448] r7:c62bff60 r6:0000000a r5:c5b31000 r4:0000001f # [ 87.199379] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.207742] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.216021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.224205] r9:c62bff60 r8:c536a540 r7:0000000a r6:b6db9000 r5:c6137cc0 r4:c0c351b8 # [ 87.232224] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 87.240323] r9:c07e1310 r8:c62bff60 r7:c2815800 r6:b6db9000 r5:c6137cc0 r4:00000000 # [ 87.248336] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.255742] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c62be000 r5:c6137cc0 # [ 87.263836] r4:c6137cc0 # [ 87.266643] [] (ksys_write) fro<6>[ 87.760391] lkdtm: Performing direct entry EXEC_STACK m [] (sys_write+0x18/0x<6>[ 87.768086] lkdtm: attempting ok execution at c0c35b48 1c) # [ 87.274049] r9:c62be00<6>[ 87.775698] lkdtm: attempting bad execution at c6379e0c 0 r8:c03002e4 r7:00000004 r6:b6f0<1>[ 87.783828] 8<--- cut here --- <1>[ 87.789969] Unable to handle kernel paging request at virtual address c6379e0c <1>[ 87.797478] pgd = f089a938 <1>[ 87.800469] [c6379e0c] *pgd=1621141e(bad) <0>[ 87.804796] Internal error: Oops: 8000000d [#4] SMP ARM <4>[ 87.810304] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 87.839844] CPU: 0 PID: 1777 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 87.847868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.854683] PC is at 0xc6379e0c <4>[ 87.858116] LR is at execute_location+0xa4/0xb4 <4>[ 87.862931] pc : [] lr : [] psr: 600e0013 <4>[ 87.869479] sp : c6379de8 ip : c6379cf0 fp : c6379e04 <4>[ 87.874985] r10: 0000000b r9 : c1acda28 r8 : c15e88e4 <4>[ 87.880491] r7 : c6379f60 r6 : 00000001 r5 : c6379e0c r4 : c0c35b48 <4>[ 87.887299] r3 : e1ff4a5a r2 : e1ff4a5a r1 : ef7815e0 r0 : 0000002b <4>[ 87.894113] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 87.901531] Control: 10c5387d Table: 161dc04a DAC: 00000051 <0>[ 87.907561] Process cat (pid: 1777, stack limit = 0x6cccf138) <0>[ 87.913592] Stack: (0xc6379de8 to 0xc637a000) <0>[ 87.918242] 9de0: c6378000 c64e9000 0000000b c6379f60 c6379e64 c6379e08 <0>[ 87.926712] 9e00: c1362bb0 c1362970 c6379e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 87.935180] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30e3374 e34c31b7 <0>[ 87.943647] 9e40: e3a02040 e3a01d33 e5930018 e1ff4a5a 0000000b 00000020 c6379e74 c6379e68 <0>[ 87.952115] 9e60: c0c34dd8 c1362b84 c6379e9c c6379e78 c0c352d8 c0c34db8 c0c351b8 c5ce8f00 <0>[ 87.960583] 9e80: b6ddc000 0000000b c536a540 c6379f60 c6379ec4 c6379ea0 c07e1374 c0c351c4 <0>[ 87.969051] 9ea0: 00000000 c5ce8f00 b6ddc000 c2815800 c6379f60 c07e1310 c6379f5c c6379ec8 <0>[ 87.977521] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6378000 <0>[ 87.985989] 9ee0: b6ddc000 00020000 00000004 0000000b 0001fff5 c6379ee0 00000001 b6ddb000 <0>[ 87.994456] 9f00: c44d5680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 88.002924] 9f20: 00000000 00000000 c1378200 e1ff4a5a c205cba0 c5ce8f00 c5ce8f00 c6378000 <0>[ 88.011391] 9f40: b6ddc000 00000000 00000000 00000004 c6379f94 c6379f60 c0599770 c05990dc <0>[ 88.019858] 9f60: 00000000 00000000 c6379fac e1ff4a5a 0000000b 0000000b b6f23e00 00000004 <0>[ 88.028325] 9f80: c03002e4 c6378000 c6379fa4 c6379f98 c0599800 c0599708 00000000 c6379fa8 <0>[ 88.036792] 9fa0: c03000c0 c05997f4 0000000b 0000000b 00000001 b6ddc000 0000000b 00000000 <0>[ 88.045260] 9fc0: 0000000b 0000000b b6f23e00 00000004 00000001 00000000 00020000 bea72a64 <0>[ 88.053728] 9fe0: 00000004 bea72798 b6e8e4cf b6e147e6 800e0030 00000001 00000000 00000000 <0>[ 88.062183] Backtrace: <0>[ 88.064941] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 88.073498] r7:c6379f60 r6:0000000b r5:c64e9000 r4:c6378000 <0>[ 88.079455] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 88.087914] r4:00000020 <0>[ 88.090741] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 88.099048] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 88.107257] r9:c6379f60 r8:c536a540 r7:0000000b r6:b6ddc000 r5:c5ce8f00 r4:c0c351b8 <0>[ 88.115302] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 88.123424] r9:c07e1310 r8:c6379f60 r7:c2815800 r6:b6ddc000 r5:c5ce8f00 r4:00000000 <0>[ 88.131461] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 88.138887] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6378000 r5:c5ce8f00 <0>[ 88.146997] r4:c5ce8f00 <0>[ 88.149824] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 88.157252] r9:c6378000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000000b r4:0000000b <0>[ 88.165291] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 88.173143] Exception stack(0xc6379fa8 to 0xc6379ff0) <0>[ 88.178482] 9fa0: 0000000b 0000000b 00000001 b6ddc000 0000000b 00000000 <0>[ 88.186949] 9fc0: 0000000b 0000000b b6f23e00 00000004 00000001 00000000 00020000 bea72a64 <0>[ 88.195412] 9fe0: 00000004 bea72798 b6e8e4cf b6e147e6 <0>[ 88.200754] Code: c6379e08 c1362bb0 c1362970 c6379e6c (e1a0c00d) <4>[ 88.207141] ---[ end trace f8640c238fb1c114 ]--- 0e00 r5:0000000a r4:0000000a # [ 87.282067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.289902] Exception stack(0xc62bffa8 to 0xc62bfff0) # [ 87.295222] ffa0: 0000000a 0000000a 00000001 b6db9000 0000000a 00000000 # [ 87.303667] ffc0: 0000000a 0000000a b6f00e00 00000004 00000001 00000000 00020000 bed82a64 # [ 87.312114] ffe0: 00000004 bed82798 b6e6b4cf b6df17e6 # [ 87.317436] Code: 00000000 c400e9c0 c400ea80 c400eb40 (e1a0c00d) # [ 87.323800] ---[ end trace f8640c238fb1c113 ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 87.760391] lkdtm: Performing direct entry EXEC_STACK # [ 87.768086] lkdtm: attempting ok execution at c0c35b48 # [ 87.775698] lkdtm: attempting bad execution at c6379e0c # [ 87.783828] 8<--- cut here --- # [ 87.789969] Unable to handle kernel paging request at virtual address c6379e0c # [ 87.797478] pgd = f089a938 # [ 87.800469] [c6379e0c] *pgd=1621141e(bad) # [ 87.804796] Internal error: Oops: 8000000d [#4] SMP ARM # [ 87.810304] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.839844] CPU: 0 PID: 1777 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 87.847868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.854683] PC is at 0xc6379e0c # [ 87.858116] LR is at execute_location+0xa4/0xb4 # [ 87.862931] pc : [] lr : [] psr: 600e0013 # [ 87.869479] sp : c6379de8 ip : c6379cf0 fp : c6379e04 # [ 87.874985] r10: 0000000b r9 : c1acda28 r8 : c15e88e4 # [ 87.880491] r7 : c6379f60 r6 : 00000001 r5 : c6379e0c r4 : c0c35b48 # [ 87.887299] r3 : e1ff4a5a r2 : e1ff4a5a r1 : ef7815e0 r0 : 0000002b # [ 87.894113] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.901531] Control: 10c5387d Table: 161dc04a DAC: 00000051 # [ 87.907561] Process cat (pid: 1777, stack limit = 0x6cccf138) # [ 87.913592] Stack: (0xc6379de8 to 0xc637a000) # [ 87.918242] 9de0: c6378000 c64e9000 0000000b c6379f60 c6379e64 c6379e08 # [ 87.926712] 9e00: c1362bb0 c1362970 c6379e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 87.935180] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30e3374 e34c31b7 # [ 87.943647] 9e40: e3a02040 e3a01d33 e5930018 e1ff4a5a 0000000b 00000020 c6379e74 c6379e68 # [ 87.952115] 9e60: c0c34dd8 c1362b84 c6379e9c c6379e78 c0c352d8 c0c34db8 c0c351b8 c5ce8f00 # [ 87.960583] 9e80: b6ddc000 0000000b c536a540 c6379f60 c6379ec4 c6379ea0 c07e1374 c0c351c4 # [ 87.969051] 9ea0: 00000000 c5ce8f00 b6ddc000 c2815800 c6379f60 c07e1310 c6379f5c c6379ec8 # [ 87.977521] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6378000 # [ 87.985989] 9ee0: b6ddc000 00020000 00000004 0000000b 0001fff5 c6379ee0 00000001 b6ddb000 # [ 87.994456] 9f00: c44d5680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.002924] 9f20: 00000000 00000000 c1378200 e1ff4a5a c205cba0 c5ce8f00 c5ce8f00 c6378000 # [ 88.011391] 9f40: b6ddc000 00000000 00000000 00000004 c6379f94 c6379f60 c0599770 c05990dc # [ 88.019858] 9f60: 00000000 00000000 c6379fac e1ff4a5a 0000000b 0000000b b6f23e00 00000004 # [ 88.028325] 9f80: c03002e4 c6378000 c6379fa4 c6379f98 c0599800 c0599708 00000000 c6379fa8 # [ 88.036792] 9fa0: c03000c0 c05997f4 0000000b 0000000b 00000001 b6ddc000 0000000b 00000000 # [ 88.045260] 9fc0: 0000000b 0000000b b6f23e00 00000004 00000001 00000000 00020000 bea72a64 # [ 88.053728] 9fe0: 00000004 bea72798 b6e8e4cf b6e147e6 800e0030 00000001 00000000 00000000 # [ 88.062183] Backtrace: # [ 88.064941] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 88.073498] r7:c6379f60 r6:0000000b r5:c64e9000 r4:c6378000 # [ 88.079455] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.087914] r4:00000020 # [ 88.090741] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.099048] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.107257] r9:c6379f60 r8:c536a540 r7:0000000b r6:b6ddc000 r5:c5ce8f00 r4:c0c351b8 # [ 88.115302] [[ 88.648695] lkdtm: Performing direct entry EXEC_KMALLOC 1310>] (full_proxy_write) from [<<6>[ 88.656934] lkdtm: attempting ok execution at c0c35b48 c05991dc>] (vfs_write+0x10c/0x524<6>[ 88.665467] lkdtm: attempting bad execution at c5eed380 ) # [ 88.123424] r9:c07e1310 <1>[ 88.673743] 8<--- cut here --- <1>[ 88.679887] Unable to handle kernel paging request at virtual address c5eed380 <1>[ 88.687399] pgd = 65d1da27 <1>[ 88.690390] [c5eed380] *pgd=15e1141e(bad) <0>[ 88.694718] Internal error: Oops: 8000000d [#5] SMP ARM <4>[ 88.700229] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 88.729770] CPU: 0 PID: 1856 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 88.737797] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.744614] PC is at 0xc5eed380 <4>[ 88.748051] LR is at execute_location+0xa4/0xb4 <4>[ 88.752865] pc : [] lr : [] psr: 600e0013 <4>[ 88.759414] sp : c6351e30 ip : c6351d38 fp : c6351e4c <4>[ 88.764921] r10: 0000000d r9 : c1acda34 r8 : c15e88e4 <4>[ 88.770429] r7 : c6351f60 r6 : 00000001 r5 : c5eed380 r4 : c0c35b48 <4>[ 88.777239] r3 : dbfbfa63 r2 : dbfbfa63 r1 : ef7815e0 r0 : 0000002b <4>[ 88.784052] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 88.791470] Control: 10c5387d Table: 1636004a DAC: 00000051 <0>[ 88.797501] Process cat (pid: 1856, stack limit = 0x37025bce) <0>[ 88.803530] Stack: (0xc6351e30 to 0xc6352000) <0>[ 88.808177] 1e20: c5eed380 c64a1000 0000000d c6351f60 <0>[ 88.816646] 1e40: c6351e64 c6351e50 c0c35b98 c1362970 00000021 c64a1000 c6351e74 c6351e68 <0>[ 88.825115] 1e60: c0c34dd8 c0c35b6c c6351e9c c6351e78 c0c352d8 c0c34db8 c0c351b8 c599f900 <0>[ 88.833583] 1e80: b6ea7000 0000000d c536a540 c6351f60 c6351ec4 c6351ea0 c07e1374 c0c351c4 <0>[ 88.842051] 1ea0: 00000000 c599f900 b6ea7000 c2815800 c6351f60 c07e1310 c6351f5c c6351ec8 <0>[ 88.850518] 1ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6350000 <0>[ 88.858985] 1ee0: b6ea7000 00020000 00000004 0000000d 0001fff3 c6351ee0 00000001 b6ea6000 <0>[ 88.867450] 1f00: c44d5180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 88.875917] 1f20: 00000000 00000000 c1378200 dbfbfa63 c205cba0 c599f900 c599f900 c6350000 <0>[ 88.884384] 1f40: b6ea7000 00000000 00000000 00000004 c6351f94 c6351f60 c0599770 c05990dc <0>[ 88.892851] 1f60: 00000000 00000000 c6351fac dbfbfa63 0000000d 0000000d b6feee00 00000004 <0>[ 88.901318] 1f80: c03002e4 c6350000 c6351fa4 c6351f98 c0599800 c0599708 00000000 c6351fa8 <0>[ 88.909786] 1fa0: c03000c0 c05997f4 0000000d 0000000d 00000001 b6ea7000 0000000d 00000000 <0>[ 88.918253] 1fc0: 0000000d 0000000d b6feee00 00000004 00000001 00000000 00020000 becd4a64 <0>[ 88.926720] 1fe0: 00000004 becd4798 b6f594cf b6edf7e6 800e0030 00000001 00000000 00000000 <0>[ 88.935173] Backtrace: <0>[ 88.937938] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 88.946668] r7:c6351f60 r6:0000000d r5:c64a1000 r4:c5eed380 <0>[ 88.952625] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 88.961260] r5:c64a1000 r4:00000021 <0>[ 88.965131] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 88.973436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 88.981645] r9:c6351f60 r8:c536a540 r7:0000000d r6:b6ea7000 r5:c599f900 r4:c0c351b8 <0>[ 88.989691] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 88.997812] r9:c07e1310 r8:c6351f60 r7:c2815800 r6:b6ea7000 r5:c599f900 r4:00000000 <0>[ 89.005847] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 89.013274] r10:00000004 r9:00000000 r8:00000000 r7:b6ea7000 r6:c6350000 r5:c599f900 <0>[ 89.021383] r4:c599f900 <0>[ 89.024211] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 89.031638] r9:c6350000 r8:c03002e4 r7:00000004 r6:b6feee00 r5:0000000d r4:0000000d <0>[ 89.039677] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 89.047528] Exception stack(0xc6351fa8 to 0xc6351ff0) <0>[ 89.052869] 1fa0: 0000000d 0000000d 00000001 b6ea7000 0000000d 00000000 <0>[ 89.061336] 1fc0: 0000000d 0000000d b6feee00 00000004 00000001 00000000 00020000 becd4a64 <0>[ 89.069796] 1fe0: 00000004 becd4798 b6f594cf b6edf7e6 <0>[ 89.075141] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) <4>[ 89.081527] ---[ end trace f8640c238fb1c115 ]--- r8:c6379f60 r7:c2815800 r6:b6ddc000 r5:c5ce8f00 r4:00000000 # [ 88.131461] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.138887] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6378000 r5:c5ce8f00 # [ 88.146997] r4:c5ce8f00 # [ 88.149824] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.157252] r9:c6378000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000000b r4:0000000b # [ 88.165291] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.173143] Exception stack(0xc6379fa8 to 0xc6379ff0) # [ 88.178482] 9fa0: 0000000b 0000000b 00000001 b6ddc000 0000000b 00000000 # [ 88.186949] 9fc0: 0000000b 0000000b b6f23e00 00000004 00000001 00000000 00020000 bea72a64 # [ 88.195412] 9fe0: 00000004 bea72798 b6e8e4cf b6e147e6 # [ 88.200754] Code: c6379e08 c1362bb0 c1362970 c6379e6c (e1a0c00d) # [ 88.207141] ---[ end trace f8640c238fb1c114 ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh # Segmentation fault # [ 88.648695] lkdtm: Performing direct entry EXEC_KMALLOC # [ 88.656934] lkdtm: attempting ok execution at c0c35b48 # [ 88.665467] lkdtm: attempting bad execution at c5eed380 # [ 88.673743] 8<--- cut here --- # [ 88.679887] Unable to handle kernel paging request at virtual address c5eed380 # [ 88.687399] pgd = 65d1da27 # [ 88.690390] [c5eed380] *pgd=15e1141e(bad) # [ 88.694718] Internal error: Oops: 8000000d [#5] SMP ARM # [ 88.700229] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.729770] CPU: 0 PID: 1856 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 88.737797] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.744614] PC is at 0xc5eed380 # [ 88.748051] LR is at execute_location+0xa4/0xb4 # [ 88.752865] pc : [] lr : [] psr: 600e0013 # [ 88.759414] sp : c6351e30 ip : c6351d38 fp : c6351e4c # [ 88.764921] r10: 0000000d r9 : c1acda34 r8 : c15e88e4 # [ 88.770429] r7 : c6351f60 r6 : 00000001 r5 : c5eed380 r4 : c0c35b48 # [ 88.777239] r3 : dbfbfa63 r2 : dbfbfa63 r1 : ef7815e0 r0 : 0000002b # [ 88.784052] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.791470] Control: 10c5387d Table: 1636004a DAC: 00000051 # [ 88.797501] Process cat (pid: 1856, stack limit = 0x37025bce) # [ 88.803530] Stack: (0xc6351e30 to 0xc6352000) # [ 88.808177] 1e20: c5eed380 c64a1000 0000000d c6351f60 # [ 88.816646] 1e40: c6351e64 c6351e50 c0c35b98 c1362970 00000021 c64a1000 c6351e74 c6351e68 # [ 88.825115] 1e60: c0c34dd8 c0c35b6c c6351e9c c6351e78 c0c352d8 c0c34db8 c0c351b8 c599f900 # [ 88.833583] 1e80: b6ea7000 0000000d c536a540 c6351f60 c6351ec4 c6351ea0 c07e1374 c0c351c4 # [ 88.842051] 1ea0: 00000000 c599f900 b6ea7000 c2815800 c6351f60 c07e1310 c6351f5c c6351ec8 # [ 88.850518] 1ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6350000 # [ 88.858985] 1ee0: b6ea7000 00020000 00000004 0000000d 0001fff3 c6351ee0 00000001 b6ea6000 # [ 88.867450] 1f00: c44d5180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.875917] 1f20: 00000000 00000000 c1378200 dbfbfa63 c205cba0 c599f900 c599f900 c6350000 # [ 88.884384] 1f40: b6ea7000 00000000 00000000 00000004 c6351f94 c6351f60 c0599770 c05990dc # [ 88.892851] 1f60: 00000000 00000000 c6351fac dbfbfa63 0000000d 0000000d b6feee00 00000004 # [ 88.901318] 1f80: c03002e4 c6350000 c6351fa4 c6351f98 c0599800 c0599708 00000000 c6351fa8 # [ 88.909786] 1fa0: c03000c0 c05997f4 0000000d 0000000d 00000001 b6ea7000 0000000d 00000000 # [ 88.918253] 1fc0: 0000000d 0000000d b6feee00 00000004 00000001 00000000 00020000 becd4a64 # [ 88.926720] 1fe0: 00000004 becd4798 b6f594cf b6edf7e6 800e0030 00000001 00000000 00000000 # [ 88.935173] Backtrace: # [ 88.937938] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 88.946668] r7:c6351f60 r6:0000000d r5:c64a1000 r4:c5eed380 # [ 88.952625] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.961260] r5:c64a1000 r4:00000021 # [ 88.965131] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.973436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.981645] r9:c6351f60 r8:c536a540 r7:0000000d r6:b6ea7000 r5:c599f900 r4:c0c351b8 # [ 88.989691] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 88.997812] r9:c07e1310 r8:c6351f60 r7:c2815800 r6:b6ea7000 r5:c599f900 r4:00000000 # [ 89.005847] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.013274] r10:00000004 r9:00000000 r8:00000000 r7:b6ea7000 r6:c6350000 r5:c599f900 # [ 89.021383] r4:c599f900 # [ 89.024211] [] (k<6>[ 89.542406] lkdtm: Performing direct entry EXEC_VMALLOC sys_write) from [] (sys<6>[ 89.549904] lkdtm: attempting ok execution at c0c35b48 _write+0x18/0x1c) # [ 89.03163<6>[ 89.558029] lkdtm: attempting bad execution at f096c000 8] r9:c6350000 r8:c03002e4 r7:0<1>[ 89.566317] 8<--- cut here --- 000004 r6:b6feee00 r5:0000000d r4<1>[ 89.572509] Unable to handle kernel paging request at virtual address f096c000 :0000000d # [ 89.039677] [[ 89.582792] pgd = c8597885 997e8>] (sys_write) from [[ 89.588632] [f096c000] *pgd=12949811, *pte=493c165f, *ppte=493c145f c0>] (ret_fast_syscall+0x0/0x28) <0>[ 89.598038] Internal error: Oops: 8000000f [#6] SMP ARM # [ 89.047528] Exception stack<4>[ 89.606326] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 (0xc6351fa8 to 0xc<643>5[1 f f 089.638292] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 89<.40>[5 2 8 6899]. 614f459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) a0: < 4 >0[ 0 0 09.656987] PC is at 0xf096c000 000d 0000000d 0000000<14 >b[6 e a89.662561] LR is at execute_location+0xa4/0xb4 7000 00<040>0[0 0 d 8090.060609099] pc : [] lr : [] psr: 600e0013 00 #< 4[> [ 8 98.90.6617373764] sp : c5a5fe30 ip : 00000027 fp : c5a5fe4c ] 1fc0: <040>0[0 0 0 08d9 .060804821] r10: 0000000d r9 : c1acda44 r8 : c15e88e4 000d b6fe[0 0 08090.060902042] r7 : c5a5ff60 r6 : 00000001 r5 : f096c000 r4 : c0c35b48 4 000000<041> [0 0 0 08090.70000 63] r3 : aa4b9185 r2 : aa4b9185 r1 : ef7ab5e4 r0 : 0000002b 00020000 beca[6 4 8#9 .[709001] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 89.0697<946>][ 1 f e809:. 7010303] Control: 10c5387d Table: 1678804a DAC: 00000051 000004 becd4798 6[f 5 9 48c9f726046] Process cat (pid: 1933, stack limit = 0x54b023d5) b6edf7e6 #< 0[> [ 8 98.90.7734045] Stack: (0xc5a5fe30 to 0xc5a60000) 141] Code: 0016<000>1[7 0 08090740574] fe20: f096c000 c64ef000 0000000d c5a5ff60 0000 00000000 00<000>0[0 0 0 8(9.751006] fe40: c5a5fe64 c5a5fe50 c0c35bcc c1362970 00000022 c64ef000 c5a5fe74 c5a5fe68 1a0c00d) # [ < 0 >[8 9 . 08891.761524] fe60: c0c34dd8 c0c35bb0 c5a5fe9c c5a5fe78 c0c352d8 c0c34db8 c0c351b8 c44d57c0 27] ---[ end tra [f 8 6 4809.771956] fe80: b6de2000 0000000d c536a540 c5a5ff60 c5a5fec4 c5a5fea0 c07e1374 c0c351c4 238fb1c115 ]--<-0 > [# E X8E9C.782473] fea0: 00000000 c44d57c0 b6de2000 c2815800 c5a5ff60 c07e1310 c5a5ff5c c5a5fec8 KMALLOC: missg[ ' c a8l9l. 92904] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c44c6c64 c0599770 c5a5e000 trace:': [FAIL<]0 > [n o t 8o9k.803249] fee0: b6de2000 00020000 00000004 0000000d 0001fff3 c5a5fee0 00000001 00000805 32 selftests: lkm[: E X8E9.813682] ff00: c5ce88c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 _KMALLOC.sh # i[t = 1 8 9#.824200] ff20: 00000000 00000000 c5a5e000 aa4b9185 b6de1000 c44d57c0 c44d57c0 c5a5e000 selftests: lkdtm:< 0E>X[E C _ V8M.834633] ff40: b6de2000 00000000 00000000 00000004 c5a5ff94 c5a5ff60 c0599770 c05990dc ALLOC.sh <0>[ 89.845150] ff60: 00000000 00000000 c5a5ffac aa4b9185 0000000d 0000000d b6f29e00 00000004 <0>[ 89.854453] ff80: c03002e4 c5a5e000 c5a5ffa4 c5a5ff98 c0599800 c0599708 00000000 c5a5ffa8 <0>[ 89.862898] ffa0: c03000c0 c05997f4 0000000d 0000000d 00000001 b6de2000 0000000d 00000000 <0>[ 89.871343] ffc0: 0000000d 0000000d b6f29e00 00000004 00000001 00000000 00020000 becada64 <0>[ 89.879787] ffe0: 00000004 becad798 b6e944cf b6e1a7e6 800e0030 00000001 00000000 00000000 <0>[ 89.888228] Backtrace: <0>[ 89.890954] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 89.899662] r7:c5a5ff60 r6:0000000d r5:c64ef000 r4:f096c000 <0>[ 89.905593] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 89.914209] r5:c64ef000 r4:00000022 <0>[ 89.918056] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 89.926334] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 89.934520] r9:c5a5ff60 r8:c536a540 r7:0000000d r6:b6de2000 r5:c44d57c0 r4:c0c351b8 <0>[ 89.942536] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 89.950635] r9:c07e1310 r8:c5a5ff60 r7:c2815800 r6:b6de2000 r5:c44d57c0 r4:00000000 <0>[ 89.958649] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 89.966054] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c5a5e000 r5:c44d57c0 <0>[ 89.974148] r4:c44d57c0 <0>[ 89.976954] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 89.984359] r9:c5a5e000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:0000000d r4:0000000d <0>[ 89.992375] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 90.000209] Exception stack(0xc5a5ffa8 to 0xc5a5fff0) <0>[ 90.005529] ffa0: 0000000d 0000000d 00000001 b6de2000 0000000d 00000000 <0>[ 90.013976] ffc0: 0000000d 0000000d b6f29e00 00000004 00000001 00000000 00020000 becada64 <0>[ 90.022419] ffe0: 00000004 becad798 b6e944cf b6e1a7e6 <0>[ 90.027745] Code: bad PC value <4>[ 90.031153] ---[ end trace f8640c238fb1c116 ]--- # Segmentation fault # [ 89.542406] lkdtm: Performing direct entry EXEC_VMALLOC # [ 89.549904] lkdtm: attempting ok execution at c0c35b48 # [ 89.558029] lkdtm: attempting bad execution at f096c000 # [ 89.566317] 8<--- cut here --- # [ 89.572509] Unable to handle kernel paging request at virtual address f096c000 # [ 89.582792] pgd = c8597885 # [ 89.588632] [f096c000] *pgd=12949811, *pte=493c165f, *ppte=493c145f # [ 89.598038] Internal error: Oops: 8000000f [#6] SMP ARM # [ 89.606326] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.638292] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 89.648459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.656987] PC is at 0xf096c000 # [ 89.662561] LR is at execute_location+0xa4/0xb4 # [ 89.669599] pc : [] lr : [] psr: 600e0013 # [ 89.677774] sp : c5a5fe30 ip : 00000027 fp : c5a5fe4c # [ 89.684821] r10: 0000000d r9 : c1acda44 r8 : c15e88e4 # [ 89.692042] r7 : c5a5ff60 r6 : 00000001 r5 : f096c000 r4 : c0c35b48 # [ 89.700563] r3 : aa4b9185 r2 : aa4b9185 r1 : ef7ab5e4 r0 : 0000002b # [ 89.709001] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 89.718303] Control: 10c5387d Table: 1678804a DAC: 00000051 # [ 89.726046] Process cat (pid: 1933, stack limit = 0x54b023d5) # [ 89.734045] Stack: (0xc5a5fe30 to 0xc5a60000) # [ 89.740574] fe20: f096c000 c64ef000 0000000d c5a5ff60 # [ 89.751006] fe40: c5a5fe64 c5a5fe50 c0c35bcc c1362970 00000022 c64ef000 c5a5fe74 c5a5fe68 # [ 89.761524] fe60: c0c34dd8 c0c35bb0 c5a5fe9c c5a5fe78 c0c352d8 c0c34db8 c0c351b8 c44d57c0 # [ 89.771956] fe80: b6de2000 0000000d c536a540 c5a5ff60 c5a5fec4 c5a5fea0 c07e1374 c0c351c4 # [ 89.782473] fea0: 00000000 c44d57c0 b6de2000 c2815800 c5a5ff60 c07e1310 c5a5ff5c c5a5fec8 # [ 89.792904] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c44c6c64 c0599770 c5a5e000 # [ 89.803249] fee0: b6de2000 00020000 00000004 0000000d 0001fff3 c5a5fee0 00000001 00000805 # [ 89.813682] ff00: c5ce88c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 89.824200] ff20: 00000000 00000000 c5a5e000 aa4b9185 b6de1000 c44d57c0 c44d57c0 c5a5e000 # [ 89.834633] ff40: b6de2000 00000000 00000000 00000004 c5a5ff94 c5a5ff60 c0599770 c05990dc # [ 89.845150] ff60: 00000000 00000000 c5a5ffac aa4b9185 0000000d 0000000d b6f29e00 00000004 # [ 89.854453] ff80: c03002e4 c5a5e000 c5a5ffa4 c5a5ff98 c0599800 c0599708 00000000 c5a5ffa8 # [ 89.862898] ffa0: c03000c0 c05997f4 0000000d 0000000d 00000001 b6de2000 0000000d 00000000 # [ 89.871343] ffc0: 0000000d 0000000d b6f29e00 00000004 00000001 00000000 00020000 becada64 # [ 89.879787] ffe0: 00000004 becad798 b6e944cf b6e1a7e6 800e0030 00000001 00000000 00000000 # [ 89.888228] Backtrace: # [ 89.890954] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 89.899662] r7:c5a5ff60 r6:0000000d r5:c64ef000 r4:f096c000 # [ 89.905593] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.914209] r5:c64ef000 r4:00000022 # [ 89.918056] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.926334] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.934520] r9:c5a5ff60 r8:<6>[ 90.440551] lkdtm: Performing direct entry EXEC_RODATA c536a540 r7:0000000d r6:b6de2000 <6>[ 90.447868] lkdtm: attempting ok execution at c0c35b48 r5:c44d57c0 r4:c0c<365>1[b 8 90.456023] lkdtm: attempting bad execution at c15e8b80 [ 89.942536] [] (ful<1>[ 90.463738] 8<--- cut here --- l_proxy_write) o[m [ <9c00469861] Unable to handle kernel paging request at virtual address c15e8b80 5991dc>] (vfs_wi[t e + 09x01.479343] pgd = 394abc7c c/0x524) # [ 89.950635] r9:c0<1>[ 90.484308] [c15e8b80] *pgd=1141941e(bad) 7e1310 r8:c5a5ff60 :[c 2 890.491445] Internal error: Oops: 8000000d [#7] SMP ARM 5800 r6:b6de2000 r5:c44d57c0 r4:0<4>[ 90.499100] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0000000 # [ 89.95864<94]> [[ < 90.531068] CPU: 1 PID: 2010 Comm: cat Tainted: G D W 5.10.167-cip25 #1 c05990d0<>4]> [( v f s9_0w.r5i4t1407] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ) from [] (ksys_write<+>[ 90.549946] PC is at lkdtm_rodata_do_nothing+0x0/0x10 0x74/0xec) # [ < 4 >8[9 . 9 6960.557941] LR is at execute_location+0xa4/0xb4 54] r10:0<040>0[0 0 0 49 0.r596:810] pc : [] lr : [] psr: 600e0013 00000000< 4r>8[: 0 0 09000.050703072] sp : c6379e38 ip : c6379d40 fp : c6379e54 r7:b6de2000 :[c 5 a 59e00.0580295] r10: 0000000c r9 : c1acda54 r8 : c15e88e4 r5:c44d57c0 #< 4[>[ 8990..587690] r7 : c6379f60 r6 : 00000000 r5 : c15e8b80 r4 : c0c35b48 74148] r<44:>c[4 4 d 5970c.05 9 470] r3 : 6c47f091 r2 : 6c47f091 r1 : ef7965e0 r0 : 0000002b # [ 89.976954]< 4[><[c 0 5 9990.604998] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none fc>] (ksys_<4w>r[i t e )9 0f.r6o14475] Control: 10c5387d Table: 1676404a DAC: 00000051 []< 0(>s[y s _ w9r0.i622305] Process cat (pid: 2010, stack limit = 0x6cccf138) e+0x18/0x1c<)0 > [# [ 9 0 .8690221] Stack: (0xc6379e38 to 0xc637a000) .984359] r9:c5a5e<000>0[ r 8 :90.636665] 9e20: 00000023 c6218000 03002e4 r7:00000<000>4[ r 6 :9b0.647273] 9e40: 0000000c c6379f60 c6379e64 c6379e58 c1362bf0 c1362970 c6379e74 c6379e68 f29e00 r5:0000000r[4 : 0 090.657793] 9e60: c0c34dd8 c1362bd8 c6379e9c c6379e78 c0c352d8 c0c34db8 c0c351b8 c6136280 0000d # [ 89.9<902>3[7 5 ] 9[.668313] 9e80: b6e46000 0000000c c536a540 c6379f60 c6379ec4 c6379ea0 c07e1374 c0c351c4 ] (sys<_0w>r[i t e )9 0.678833] 9ea0: 00000000 c6136280 b6e46000 c2815800 c6379f60 c07e1310 c6379f5c c6379ec8 rom [<]0 >([r e t _9f0a689353] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6378000 st_syscall+0x0/0x2<80)> [ # [90.699788] 9ee0: b6e46000 00020000 00000004 0000000c 0001fff4 c6379ee0 00000001 b6e45000 90.000209] Exp[t i o n9 0s710394] 9f00: c5803a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 tack(0xc5a5ffa8< 0t>o[ 0 x c950a720828] 9f20: 00000000 00000000 c1378200 6c47f091 c205cba0 c6136280 c6136280 c6378000 5fff0) # [ 90.<000>5[5 2 9 ]9 .731263] 9f40: b6e46000 00000000 00000000 00000004 c6379f94 c6379f60 c0599770 c05990dc ffa0: < 0 > [ 9 0.741783] 9f60: 00000000 00000000 c6379fac 6c47f091 0000000c 0000000c b6f8de00 00000004 000000d 0000000d <000>0[0 0 0 091.752305] 9f80: c03002e4 c6378000 c6379fa4 c6379f98 c0599800 c0599708 00000000 c6379fa8 b6de2000 0000000d <000>0[0 0 0 00.762826] 9fa0: c03000c0 c05997f4 0000000c 0000000c 00000001 b6e46000 0000000c 00000000 0 # [ 90.013<907>6[] f f9c00773431] 9fc0: 0000000c 0000000c b6f8de00 00000004 00000001 00000000 00020000 bef5fa64 : 0000000d 0000<000>0[d b 69f02783865] 9fe0: 00000004 bef5f798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 9e00 00000004 0<000>0[0 0 0 19 00794291] Backtrace: 0000000 00020000 becada6<40 > [# 90.799008] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 90.022419] ffe0<:0 >0[0 0 0 00.810047] r7:c6379f60 r6:0000000c r5:c6218000 r4:00000023 004 becad798 b6e944cf b6e1a7[ 90.818143] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.027745] d[e : b90.829267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) d PC value # [ 90.031153] --<->[ 90.839708] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ end trace f864<00c>2[3 8 f b910.850565] r9:c6379f60 r8:c536a540 r7:0000000c r6:b6e46000 r5:c6136280 r4:c0c351b8 116 ]--- # EXEC_VMALLOC: mis] (full_proxy_write) from [] (vfs_write+0x10c/0x524) ng 'call trace:':< 0[>F[A I L ]9 .871347] r9:c07e1310 r8:c6379f60 r7:c2815800 r6:b6e46000 r5:c6136280 r4:00000000 not ok 33 selftests:< 0l>k[d t m90.881435] [] (vfs_write) from [] (ksys_write+0x74/0xec) : EXEC_VMALLOC.sh <#0 >e[x i t =90.891086] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6378000 r5:c6136280 # selfs[t s : 9l0k.d9t0m1339] r4:c6136280 EXEC_RODATA.sh <0>[ 90.905878] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 90.914748] r9:c6378000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:0000000c r4:0000000c <0>[ 90.922768] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 90.930605] Exception stack(0xc6379fa8 to 0xc6379ff0) <0>[ 90.935927] 9fa0: 0000000c 0000000c 00000001 b6e46000 0000000c 00000000 <0>[ 90.944375] 9fc0: 0000000c 0000000c b6f8de00 00000004 00000001 00000000 00020000 bef5fa64 <0>[ 90.952821] 9fe0: 00000004 bef5f798 b6ef84cf b6e7e7e6 <0>[ 90.958145] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 90.964515] ---[ end trace f8640c238fb1c117 ]--- # Segmentation fault # [ 90.440551] lkdtm: Performing direct entry EXEC_RODATA # [ 90.447868] lkdtm: attempting ok execution at c0c35b48 # [ 90.456023] lkdtm: attempting bad execution at c15e8b80 # [ 90.463738] 8<--- cut here --- # [ 90.469861] Unable to handle kernel paging request at virtual address c15e8b80 # [ 90.479343] pgd = 394abc7c # [ 90.484308] [c15e8b80] *pgd=1141941e(bad) # [ 90.491445] Internal error: Oops: 8000000d [#7] SMP ARM # [ 90.499100] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.531068] CPU: 1 PID: 2010 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 90.541407] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.549946] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 90.557941] LR is at execute_location+0xa4/0xb4 # [ 90.564810] pc : [] lr : [] psr: 600e0013 # [ 90.573072] sp : c6379e38 ip : c6379d40 fp : c6379e54 # [ 90.580295] r10: 0000000c r9 : c1acda54 r8 : c15e88e4 # [ 90.587690] r7 : c6379f60 r6 : 00000000 r5 : c15e8b80 r4 : c0c35b48 # [ 90.596470] r3 : 6c47f091 r2 : 6c47f091 r1 : ef7965e0 r0 : 0000002b # [ 90.604998] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 90.614475] Control: 10c5387d Table: 1676404a DAC: 00000051 # [ 90.622305] Process cat (pid: 2010, stack limit = 0x6cccf138) # [ 90.630221] Stack: (0xc6379e38 to 0xc637a000) # [ 90.636665] 9e20: 00000023 c6218000 # [ 90.647273] 9e40: 0000000c c6379f60 c6379e64 c6379e58 c1362bf0 c1362970 c6379e74 c6379e68 # [ 90.657793] 9e60: c0c34dd8 c1362bd8 c6379e9c c6379e78 c0c352d8 c0c34db8 c0c351b8 c6136280 # [ 90.668313] 9e80: b6e46000 0000000c c536a540 c6379f60 c6379ec4 c6379ea0 c07e1374 c0c351c4 # [ 90.678833] 9ea0: 00000000 c6136280 b6e46000 c2815800 c6379f60 c07e1310 c6379f5c c6379ec8 # [ 90.689353] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6378000 # [ 90.699788] 9ee0: b6e46000 00020000 00000004 0000000c 0001fff4 c6379ee0 00000001 b6e45000 # [ 90.710394] 9f00: c5803a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 90.720828] 9f20: 00000000 00000000 c1378200 6c47f091 c205cba0 c6136280 c6136280 c6378000 # [ 90.731263] 9f40: b6e46000 00000000 00000000 00000004 c6379f94 c6379f60 c0599770 c05990dc # [ 90.741783] 9f60: 00000000 00000000 c6379fac 6c47f091 0000000c 0000000c b6f8de00 00000004 # [ 90.752305] 9f80: c03002e4 c6378000 c6379fa4 c6379f98 c0599800 c0599708 00000000 c6379fa8 # [ 90.762826] 9fa0: c03000c0 c05997f4 0000000c 0000000c 00000001 b6e46000 0000000c 00000000 # [ 90.773431] 9fc0: 0000000c 0000000c b6f8de00 00000004 00000001 00000000 00020000 bef5fa64 # [ 90.783865] 9fe0: 00000004 bef5f798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 # [ 90.794291] Backtrace: # [ 90.799008] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 90.810047] r7:c6379f60 r6:0000000c r5:c6218000 r4:00000023 # [ 90.818143] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.829267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.839708] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.850565] r9:c6379f60 r8:c536a540 r7:0000000c r6:b6e46000 r5:c6136280 r4:c0c351b8 # [ 90.860660] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 90.871347] r9:c07e1310 r8:c6379f60 r7:c2815800 r6:b6e46000 r5:c6136280 r4:00000000 # [ 90.881435] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.891086] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6378000 r5:c6136280 # [ 90.901339] r4:c6136280 # [ 90.905878] [[ 91.397187] lkdtm: Performing direct entry EXEC_USERSPACE c>] (ksys_write) from [<6>[ 91.403723] lkdtm: attempting ok execution at c0c35b48 ] (sys_write+0x18/0x1c) # [ 90<6>[ 91.412504] lkdtm: attempting bad execution at b6fcc000 .914748] r9:c6378000 r8:c03002e4<1>[ 91.420400] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fcc000 <0>[ 91.430617] Internal error: : b [#8] SMP ARM <4>[ 91.435155] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.464444] CPU: 0 PID: 2086 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 91.472452] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.479249] PC is at 0xb6fcc000 <4>[ 91.482663] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 91.487806] pc : [] lr : [] psr: 600e0013 <4>[ 91.494338] sp : c6165e48 ip : c6165d50 fp : c6165e64 <4>[ 91.499828] r10: 0000000f r9 : c1acda60 r8 : c15e88e4 <4>[ 91.505317] r7 : c6165f60 r6 : 0000000f r5 : c5a12000 r4 : b6fcc000 <4>[ 91.512108] r3 : 3d62ecf6 r2 : 3d62ecf6 r1 : ef7815e0 r0 : 0000002b <4>[ 91.518902] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 91.526304] Control: 10c5387d Table: 163ec04a DAC: 00000051 <0>[ 91.532318] Process cat (pid: 2086, stack limit = 0xce6064d8) <0>[ 91.538332] Stack: (0xc6165e48 to 0xc6166000) <0>[ 91.542958] 5e40: 00000001 00000000 0000000f 00000024 c6165e74 c6165e68 <0>[ 91.551404] 5e60: c0c34dd8 c0c35be4 c6165e9c c6165e78 c0c352d8 c0c34db8 c0c351b8 c44d3680 <0>[ 91.559849] 5e80: b6e86000 0000000f c536a540 c6165f60 c6165ec4 c6165ea0 c07e1374 c0c351c4 <0>[ 91.568297] 5ea0: 00000000 c44d3680 b6e86000 c2815800 c6165f60 c07e1310 c6165f5c c6165ec8 <0>[ 91.576743] 5ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6164000 <0>[ 91.585190] 5ee0: b6e86000 00020000 00000004 0000000f 0001fff1 c6165ee0 00000001 b6e85000 <0>[ 91.593635] 5f00: c44d5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 91.602080] 5f20: 00000000 00000000 c1378200 3d62ecf6 c205cba0 c44d3680 c44d3680 c6164000 <0>[ 91.610526] 5f40: b6e86000 00000000 00000000 00000004 c6165f94 c6165f60 c0599770 c05990dc <0>[ 91.618971] 5f60: 00000000 00000000 c6165fac 3d62ecf6 0000000f 0000000f b6fcde00 00000004 <0>[ 91.627415] 5f80: c03002e4 c6164000 c6165fa4 c6165f98 c0599800 c0599708 00000000 c6165fa8 <0>[ 91.635859] 5fa0: c03000c0 c05997f4 0000000f 0000000f 00000001 b6e86000 0000000f 00000000 <0>[ 91.644304] 5fc0: 0000000f 0000000f b6fcde00 00000004 00000001 00000000 00020000 beafba64 <0>[ 91.652750] 5fe0: 00000004 beafb798 b6f384cf b6ebe7e6 800e0030 00000001 00000000 00000000 <0>[ 91.661189] Backtrace: <0>[ 91.663916] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 91.672705] r4:00000024 <0>[ 91.675510] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 91.683790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 91.691976] r9:c6165f60 r8:c536a540 r7:0000000f r6:b6e86000 r5:c44d3680 r4:c0c351b8 <0>[ 91.699995] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 91.708094] r9:c07e1310 r8:c6165f60 r7:c2815800 r6:b6e86000 r5:c44d3680 r4:00000000 <0>[ 91.716106] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 91.723510] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c6164000 r5:c44d3680 <0>[ 91.731603] r4:c44d3680 <0>[ 91.734406] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 91.741809] r9:c6164000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:0000000f r4:0000000f <0>[ 91.749824] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 91.757658] Exception stack(0xc6165fa8 to 0xc6165ff0) <0>[ 91.762978] 5fa0: 0000000f 0000000f 00000001 b6e86000 0000000f 00000000 <0>[ 91.771424] 5fc0: 0000000f 0000000f b6fcde00 00000004 00000001 00000000 00020000 beafba64 <0>[ 91.779868] 5fe0: 00000004 beafb798 b6f384cf b6ebe7e6 <0>[ 91.785195] Code: bad PC value <4>[ 91.788523] ---[ end trace f8640c238fb1c118 ]--- r7:00000004 r6:b6f8de00 r5:0000000c r4:0000000c # [ 90.922768] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.930605] Exception stack(0xc6379fa8 to 0xc6379ff0) # [ 90.935927] 9fa0: 0000000c 0000000c 00000001 b6e46000 0000000c 00000000 # [ 90.944375] 9fc0: 0000000c 0000000c b6f8de00 00000004 00000001 00000000 00020000 bef5fa64 # [ 90.952821] 9fe0: 00000004 bef5f798 b6ef84cf b6e7e7e6 # [ 90.958145] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 90.964515] ---[ end trace f8640c238fb1c117 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 91.397187] lkdtm: Performing direct entry EXEC_USERSPACE # [ 91.403723] lkdtm: attempting ok execution at c0c35b48 # [ 91.412504] lkdtm: attempting bad execution at b6fcc000 # [ 91.420400] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fcc000 # [ 91.430617] Internal error: : b [#8] SMP ARM # [ 91.435155] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.464444] CPU: 0 PID: 2086 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 91.472452] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.479249] PC is at 0xb6fcc000 # [ 91.482663] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 91.487806] pc : [] lr : [] psr: 600e0013 # [ 91.494338] sp : c6165e48 ip : c6165d50 fp : c6165e64 # [ 91.499828] r10: 0000000f r9 : c1acda60 r8 : c15e88e4 # [ 91.505317] r7 : c6165f60 r6 : 0000000f r5 : c5a12000 r4 : b6fcc000 # [ 91.512108] r3 : 3d62ecf6 r2 : 3d62ecf6 r1 : ef7815e0 r0 : 0000002b # [ 91.518902] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 91.526304] Control: 10c5387d Table: 163ec04a DAC: 00000051 # [ 91.532318] Process cat (pid: 2086, stack limit = 0xce6064d8) # [ 91.538332] Stack: (0xc6165e48 to 0xc6166000) # [ 91.542958] 5e40: 00000001 00000000 0000000f 00000024 c6165e74 c6165e68 # [ 91.551404] 5e60: c0c34dd8 c0c35be4 c6165e9c c6165e78 c0c352d8 c0c34db8 c0c351b8 c44d3680 # [ 91.559849] 5e80: b6e86000 0000000f c536a540 c6165f60 c6165ec4 c6165ea0 c07e1374 c0c351c4 # [ 91.568297] 5ea0: 00000000 c44d3680 b6e86000 c2815800 c6165f60 c07e1310 c6165f5c c6165ec8 # [ 91.576743] 5ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c6164000 # [ 91.585190] 5ee0: b6e86000 00020000 00000004 0000000f 0001fff1 c6165ee0 00000001 b6e85000 # [ 91.593635] 5f00: c44d5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 91.602080] 5f20: 00000000 00000000 c1378200 3d62ecf6 c205cba0 c44d3680 c44d3680 c6164000 # [ 91.610526] 5f40: b6e86000 00000000 00000000 00000004 c6165f94 c6165f60 c0599770 c05990dc # [ 91.618971] 5f60: 00000000 00000000 c6165fac 3d62ecf6 0000000f 0000000f b6fcde00 00000004 # [ 91.627415] 5f80: c03002e4 c6164000 c6165fa4 c6165f98 c0599800 c0599708 00000000 c6165fa8 # [ 91.635859] 5fa0: c03000c0 c05997f4 0000000f 0000000f 00000001 b6e86000 0000000f 00000000 # [ 91.644304] 5fc0: 0000000f 0000000f b6fcde00 00000004 00000001 00000000 00020000 beafba64 # [ 91.652750] 5fe0: 00000004 beafb798 b6f384cf b6ebe7e6 800e0030 00000001 00000000 00000000 # [ 91.661189] Backtrace: # [ 91.663916] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.672705] r4:00000024 # [ 91.675510] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.683790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.691976] r9:c6165f60 r8:c536a540 r7:0000000f r6:b6e86000 r5:c44d3680 r4:c0c351b8 # [ 91.699995] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.708094] r9:c07e1310 r8:c6165f60 r7:c2815800 r6:b6e86000 r5:c44d3680 r4:00000000 # [ 91.716106] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.723510] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c6164000 r5:c44d3680 # [ 91.731603] r4:c44d3680 # [ 91.734406] [] (ksys_write) from [[ 92.230883] lkdtm: Performing direct entry EXEC_NULL 99800>] (sys_write+0x18x[1 c 92.237191] lkdtm: attempting ok execution at c0c35b48 ) # [ 91.741809] r9:c6164000 <6>[ 92.245009] lkdtm: attempting bad execution at 00000000 r8:c03002e4 r7:00000004 r6:b6fcde<1>[ 92.253455] 8<--- cut here --- 00 r5:0000000f r4:0000000f # [ <1>[ 92.259529] Unable to handle kernel NULL pointer dereference at virtual address 00000000 91.749824] [] (sys_wri<1>[ 92.270750] pgd = 46063c17 te) from [] (ret_fast_s1>[ 92.276525] [00000000] *pgd=00000000 yscall+0x0/0x28) # [ 91.757658<0>[ 92.283186] Internal error: Oops: 80000005 [#9] SMP ARM ] Exception stack(0xc6165fa8 to 0<4>[ 92.291491] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 xc6165ff0) # [ <941>[. 7 6 299.323454] CPU: 2 PID: 2157 Comm: cat Tainted: G D W 5.10.167-cip25 #1 78] 5fa0:< 4 > [ 9 2 . 3 3 535] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000f 0<040>0[0 0 0 f9 .342063] PC is at 0x0 00000001 b6e86000 0000<040>0[f 92.346942] LR is at execute_location+0xa4/0xb4 0000000 #< 4[> [ 9 192..73751068] pc : [<00000000>] lr : [] psr: 600e0013 424] 5fc0<:4 >0[0 0 0 09020.f3 60330] sp : c653fe38 ip : c653fd40 fp : c653fe54 000000f f[c d e 0902 .030609550] r10: 0000000a r9 : c1acda70 r8 : c15e88e4 0004 00000<040>1[ 0 0 0902.03070770] r7 : c653ff60 r6 : 00000000 r5 : 00000000 r4 : c0c35b48 0 000200<040> [b e a f9b2a.6348 5291] r3 : 21873884 r2 : 21873884 r1 : ef7ab5e0 r0 : 0000002b # [ 91.7<749>8[6 8 ] 952f.e3093816] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000004 a[f b 7 9982. 4b06032] Control: 10c5387d Table: 1683804a DAC: 00000051 f384cf b6ebe7e6 < 0#> [[ 992.410777] Process cat (pid: 2157, stack limit = 0xafd35bb3) .785195] Ce[: b a9d2 .P4C18862] Stack: (0xc653fe38 to 0xc6540000) value # [ 91<.07>8[8 5 2 39]2 425302] fe20: 00000025 c6621000 ---[ end trace f86<400>c[2 3 89f.435737] fe40: 0000000a c653ff60 c653fe64 c653fe58 c1362c14 c1362970 c653fe74 c653fe68 b1c118 ]--- # E[C _ U S9E2R446254] fe60: c0c34dd8 c1362c00 c653fe9c c653fe78 c0c352d8 c0c34db8 c0c351b8 c5802000 SPACE: missing <'0c>a[l l t9r2a456686] fe80: b6e7d000 0000000a c536a540 c653ff60 c653fec4 c653fea0 c07e1374 c0c351c4 ce:': [FAIL] t[ o k 9325.467118] fea0: 00000000 c5802000 b6e7d000 c2815800 c653ff60 c07e1310 c653ff5c c653fec8 selftests: lkdtm: E[ C _ U9S.477551] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c653e000 ERSPACE.sh # et[= 1 9#2 .488068] fee0: b6e7d000 00020000 00000004 0000000a 0001fff6 c653fee0 00000001 b6e7c000 elftests: lkm[: E X9E2C._498499] ff00: c5b11b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ULL.sh <0>[ 92.508847] ff20: 00000000 00000000 c1378200 21873884 c205cba0 c5802000 c5802000 c653e000 <0>[ 92.517975] ff40: b6e7d000 00000000 00000000 00000004 c653ff94 c653ff60 c0599770 c05990dc <0>[ 92.526421] ff60: 00000000 00000000 c653ffac 21873884 0000000a 0000000a b6fc4e00 00000004 <0>[ 92.534866] ff80: c03002e4 c653e000 c653ffa4 c653ff98 c0599800 c0599708 00000000 c653ffa8 <0>[ 92.543310] ffa0: c03000c0 c05997f4 0000000a 0000000a 00000001 b6e7d000 0000000a 00000000 <0>[ 92.551755] ffc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beadaa64 <0>[ 92.560200] ffe0: 00000004 beada798 b6f2f4cf b6eb57e6 800e0030 00000001 00000000 00000000 <0>[ 92.568639] Backtrace: <0>[ 92.571365] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 92.579812] r7:c653ff60 r6:0000000a r5:c6621000 r4:00000025 <0>[ 92.585745] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 92.594107] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 92.602387] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 92.610574] r9:c653ff60 r8:c536a540 r7:0000000a r6:b6e7d000 r5:c5802000 r4:c0c351b8 <0>[ 92.618590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 92.626689] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6e7d000 r5:c5802000 r4:00000000 <0>[ 92.634702] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 92.642107] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c653e000 r5:c5802000 <0>[ 92.650201] r4:c5802000 <0>[ 92.653005] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 92.660409] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:0000000a r4:0000000a <0>[ 92.668424] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 92.676258] Exception stack(0xc653ffa8 to 0xc653fff0) <0>[ 92.681578] ffa0: 0000000a 0000000a 00000001 b6e7d000 0000000a 00000000 <0>[ 92.690023] ffc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beadaa64 <0>[ 92.698464] ffe0: 00000004 beada798 b6f2f4cf b6eb57e6 <0>[ 92.703788] Code: bad PC value <4>[ 92.707182] ---[ end trace f8640c238fb1c119 ]--- # Segmentation fault # [ 92.230883] lkdtm: Performing direct entry EXEC_NULL # [ 92.237191] lkdtm: attempting ok execution at c0c35b48 # [ 92.245009] lkdtm: attempting bad execution at 00000000 # [ 92.253455] 8<--- cut here --- # [ 92.259529] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 92.270750] pgd = 46063c17 # [ 92.276525] [00000000] *pgd=00000000 # [ 92.283186] Internal error: Oops: 80000005 [#9] SMP ARM # [ 92.291491] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.323454] CPU: 2 PID: 2157 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 92.333535] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.342063] PC is at 0x0 # [ 92.346942] LR is at execute_location+0xa4/0xb4 # [ 92.354068] pc : [<00000000>] lr : [] psr: 600e0013 # [ 92.362330] sp : c653fe38 ip : c653fd40 fp : c653fe54 # [ 92.369550] r10: 0000000a r9 : c1acda70 r8 : c15e88e4 # [ 92.376770] r7 : c653ff60 r6 : 00000000 r5 : 00000000 r4 : c0c35b48 # [ 92.385291] r3 : 21873884 r2 : 21873884 r1 : ef7ab5e0 r0 : 0000002b # [ 92.393816] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 92.403032] Control: 10c5387d Table: 1683804a DAC: 00000051 # [ 92.410777] Process cat (pid: 2157, stack limit = 0xafd35bb3) # [ 92.418862] Stack: (0xc653fe38 to 0xc6540000) # [ 92.425302] fe20: 00000025 c6621000 # [ 92.435737] fe40: 0000000a c653ff60 c653fe64 c653fe58 c1362c14 c1362970 c653fe74 c653fe68 # [ 92.446254] fe60: c0c34dd8 c1362c00 c653fe9c c653fe78 c0c352d8 c0c34db8 c0c351b8 c5802000 # [ 92.456686] fe80: b6e7d000 0000000a c536a540 c653ff60 c653fec4 c653fea0 c07e1374 c0c351c4 # [ 92.467118] fea0: 00000000 c5802000 b6e7d000 c2815800 c653ff60 c07e1310 c653ff5c c653fec8 # [ 92.477551] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c653e000 # [ 92.488068] fee0: b6e7d000 00020000 00000004 0000000a 0001fff6 c653fee0 00000001 b6e7c000 # [ 92.498499] ff00: c5b11b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 92.508847] ff20: 00000000 00000000 c1378200 21873884 c205cba0 c5802000 c5802000 c653e000 # [ 92.517975] ff40: b6e7d000 00000000 00000000 00000004 c653ff94 c653ff60 c0599770 c05990dc # [ 92.526421] ff60: 00000000 00000000 c653ffac 21873884 0000000a 0000000a b6fc4e00 00000004 # [ 92.534866] ff80: c03002e4 c653e000 c653ffa4 c653ff98 c0599800 c0599708 00000000 c653ffa8 # [ 92.543310] ffa0: c03000c0 c05997f4 0000000a 0000000a 00000001 b6e7d000 0000000a 00000000 # [ 92.551755] ffc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beadaa64 # [ 92.560200] ffe0: 00000004 beada798 b6f2f4cf b6eb57e6 800e0030 00000001 00000000 00000000 # [ 92.568639] Backtrace: # [ 92.571365] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 92.579812] r7:c653ff60 r6:0000000a r5:c6621000 r4:00000025 # [ 92.585745] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.594107] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.602387] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.610574] r9:c653ff60 r8:c536a540 r7:0000000a r6:b6e7d000 r5:c5802000 r4:c0c351b8 # [ 92.618590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 92.626689] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6e7d000 r5:c5802000 r4:00000000 # [ 92.634702] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.642107] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c653e000 r5:c5802000 # [ <6>[ 93.186552] lkdtm: Performing direct entry ACCESS_USERSPACE 92.650201] r4:c5802000 # [ <6>[ 93.193014] lkdtm: attempting bad read at b6f9f000 92.653005] [] (ksys_wri<1>[ 93.201011] 8<--- cut here --- te) from [] <(1s>y[s _ 93.207020] Unhandled fault: page domain fault (0x01b) at 0xb6f9f000 rite+0x18/0x1c) < 1>#[ [ 9 39215978] pgd = 45df719d 2.660409] r9:c653e000< 1r>8[ : c93.220941] [b6f9f000] *pgd=493c8831 03002e4 r7:00000004 r6:f[c 4 93.227040] Internal error: : 1b [#10] SMP ARM e00 r5:0000000a r4:0000000a # [ <4>[ 93.234082] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 92.668424] [8[> ] 93.266048] CPU: 1 PID: 2233 Comm: cat Tainted: G D W 5.10.167-cip25 #1 sys_write)< 4f>r[o m [9<3c.02376303] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00c0>] (ret_fast_syscall+0x<04/>0 93.284926] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c x28) # [ 92.676258] Exceptf[a 8 9t3o. 300834] pc : [] lr : [] psr: 600e0013 xc653fff0) #< 4[> [ 9 29.36.809270] sp : c66afe38 ip : c66afd40 fp : c66afe64 1578] ffa<04:> [ 9 3 . 3 1 663] r10: 00000011 r9 : c1acda7c r8 : c15e88e4 < 40>0[0 0 0 0903.a3 203083] r7 : c66aff60 r6 : 00000051 r5 : c66ae000 r4 : b6f9f000 00000a 000<040>0[0 1 b963e.73d32321] r3 : e5eaa78a r2 : e5eaa78a r1 : ef7965e0 r0 : 00000026 00 0000000a <040>0[0 0 0 0903 . 340935] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 92.69002<34]>[ f f c903:. 350239] Control: 10c5387d Table: 1601004a DAC: 00000051 000000a 0000000a< 0b>6[f c 4 e903.358155] Process cat (pid: 2233, stack limit = 0x6774f8bf) 00000004 000<000>0[0 1 09030.066242] Stack: (0xc66afe38 to 0xc66b0000) 0000 00020000 bea[a 6 4 9 3.372771] fe20: 00000022 00000000 [ 92.698464] f0[: 0 090.383293] fe40: 00000000 e5eaa78a c66afe6c 00000026 c6218000 00000011 c66afe74 c66afe68 00004 beada798 b6f<20f>4[c f b93.393813] fe60: c0c34dd8 c0c35cb8 c66afe9c c66afe78 c0c352d8 c0c34db8 c0c351b8 c6137680 eb57e6 # [ 92.7<003>7[8 8 ] 93.404419] fe80: b6e59000 00000011 c536a540 c66aff60 c66afec4 c66afea0 c07e1374 c0c351c4 ode: bad PC value #< 0[> [ 9 93.415028] fea0: 00000000 c6137680 b6e59000 c2815800 c66aff60 c07e1310 c66aff5c c66afec8 .707182] ---[ end tre[ f 8 93.425721] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c66ae000 40c238fb1c119 ]--<-0 > [# E X9E.436414] fee0: b6e59000 00020000 00000004 00000011 0001ffef c66afee0 00000001 b6e58000 C_NULL: missing 'cl[ t r a93.446933] ff00: c59e1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 e:': [FAIL] not [3 6 s9e.457539] ff20: 00000000 00000000 c1378200 e5eaa78a c205cba0 c6137680 c6137680 c66ae000 lftests: lkdtm: EX_[N U L L93.468060] ff40: b6e59000 00000000 00000000 00000004 c66aff94 c66aff60 c0599770 c05990dc sh # exit=1 # sele[s t s :93.478667] ff60: 00000000 00000000 c66affac e5eaa78a 00000011 00000011 b6fa0e00 00000004 lkdtm: ACCESS_USEP[A C E .9s.489274] ff80: c03002e4 c66ae000 c66affa4 c66aff98 c0599800 c0599708 00000000 c66affa8 h <0>[ 93.499794] ffa0: c03000c0 c05997f4 00000011 00000011 00000001 b6e59000 00000011 00000000 <0>[ 93.508491] ffc0: 00000011 00000011 b6fa0e00 00000004 00000001 00000000 00020000 bed5ea64 <0>[ 93.516939] ffe0: 00000004 bed5e798 b6f0b4cf b6e917e6 800e0030 00000001 00000000 00000000 <0>[ 93.525381] Backtrace: <0>[ 93.528114] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 93.537086] r6:00000011 r5:c6218000 r4:00000026 <0>[ 93.541982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 93.550267] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 93.558457] r9:c66aff60 r8:c536a540 r7:00000011 r6:b6e59000 r5:c6137680 r4:c0c351b8 <0>[ 93.566480] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 93.574584] r9:c07e1310 r8:c66aff60 r7:c2815800 r6:b6e59000 r5:c6137680 r4:00000000 <0>[ 93.582600] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 93.590007] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c66ae000 r5:c6137680 <0>[ 93.598103] r4:c6137680 <0>[ 93.600912] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 93.608320] r9:c66ae000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000011 r4:00000011 <0>[ 93.616340] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 93.624176] Exception stack(0xc66affa8 to 0xc66afff0) <0>[ 93.629500] ffa0: 00000011 00000011 00000001 b6e59000 00000011 00000000 <0>[ 93.637950] ffc0: 00000011 00000011 b6fa0e00 00000004 00000001 00000000 00020000 bed5ea64 <0>[ 93.646396] ffe0: 00000004 bed5e798 b6f0b4cf b6e917e6 <0>[ 93.651721] Code: e1a01004 e30e09a0 e34c01ac eb1c87a2 (e5943000) <4>[ 93.658090] ---[ end trace f8640c238fb1c11a ]--- # Segmentation fault # [ 93.186552] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 93.193014] lkdtm: attempting bad read at b6f9f000 # [ 93.201011] 8<--- cut here --- # [ 93.207020] Unhandled fault: page domain fault (0x01b) at 0xb6f9f000 # [ 93.215978] pgd = 45df719d # [ 93.220941] [b6f9f000] *pgd=493c8831 # [ 93.227040] Internal error: : 1b [#10] SMP ARM # [ 93.234082] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.266048] CPU: 1 PID: 2233 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 93.276303] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.284926] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 93.292930] LR is at __irq_work_queue_local+0x40/0x74 # [ 93.300834] pc : [] lr : [] psr: 600e0013 # [ 93.309270] sp : c66afe38 ip : c66afd40 fp : c66afe64 # [ 93.316663] r10: 00000011 r9 : c1acda7c r8 : c15e88e4 # [ 93.323883] r7 : c66aff60 r6 : 00000051 r5 : c66ae000 r4 : b6f9f000 # [ 93.332321] r3 : e5eaa78a r2 : e5eaa78a r1 : ef7965e0 r0 : 00000026 # [ 93.340935] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 93.350239] Control: 10c5387d Table: 1601004a DAC: 00000051 # [ 93.358155] Process cat (pid: 2233, stack limit = 0x6774f8bf) # [ 93.366242] Stack: (0xc66afe38 to 0xc66b0000) # [ 93.372771] fe20: 00000022 00000000 # [ 93.383293] fe40: 00000000 e5eaa78a c66afe6c 00000026 c6218000 00000011 c66afe74 c66afe68 # [ 93.393813] fe60: c0c34dd8 c0c35cb8 c66afe9c c66afe78 c0c352d8 c0c34db8 c0c351b8 c6137680 # [ 93.404419] fe80: b6e59000 00000011 c536a540 c66aff60 c66afec4 c66afea0 c07e1374 c0c351c4 # [ 93.415028] fea0: 00000000 c6137680 b6e59000 c2815800 c66aff60 c07e1310 c66aff5c c66afec8 # [ 93.425721] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c66ae000 # [ 93.436414] fee0: b6e59000 00020000 00000004 00000011 0001ffef c66afee0 00000001 b6e58000 # [ 93.446933] ff00: c59e1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 93.457539] ff20: 00000000 00000000 c1378200 e5eaa78a c205cba0 c6137680 c6137680 c66ae000 # [ 93.468060] ff40: b6e59000 00000000 00000000 00000004 c66aff94 c66aff60 c0599770 c05990dc # [ 93.478667] ff60: 00000000 00000000 c66affac e5eaa78a 00000011 00000011 b6fa0e00 00000004 # [ 93.489274] ff80: c03002e4 c66ae000 c66affa4 c66aff98 c0599800 c0599708 00000000 c66affa8 # [ 93.499794] ffa0: c03000c0 c05997f4 00000011 00000011 00000001 b6e59000 00000011 00000000 # [ 93.508491] ffc0: 00000011 00000011 b6fa0e00 00000004 00000001 00000000 00020000 bed5ea64 # [ 93.516939] ffe0: 00000004 bed5e798 b6f0b4cf b6e917e6 800e0030 00000001 00000000 00000000 # [ 93.525381] Backtrace: # [ 93.528114] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.537086] r6:00000011 r5:c6218000 r4:00000026 # [ 93.541982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.550267] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.558457] r9:c66aff60 r8:c536a540 r7:00000011 r6:b6e59000 r5:c6137680 r4:c0c351b8 # [ 93.566480] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 93.574584] r9:c07e1310 r8:c66aff60 r7:c2815800 r6:b6e59000 r5:c6137680 r4:00000000 # [ 93.582600] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.590007] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c66ae000 r5:c6137680 # [ 93.598103] r4:c6137680 # [ 93.600912] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.608320] r9:c66ae000 r8:c03002e4 r7:00000004 r6:b6<6>[ 94.101652] lkdtm: Performing direct entry ACCESS_NULL fa0e00 r5:00000011 :[0 0 0 04.107373] lkdtm: attempting bad read at 00000000 0011 # [ 93.616340] [[ 94.114682] 8<--- cut here --- >] (sys_write) from [] <1>[ 94.120960] Unable to handle kernel NULL pointer dereference at virtual address 00000000 (ret_fast_syscall+0x0/0x28) # [ <1>[ 94.132073] pgd = 279e2423 93.624176] Exception stack(0xc6<1>[ 94.137873] [00000000] *pgd=00000000 6affa8 to 0xc66afff<00)> [ # [4.144543] Internal error: Oops: 5 [#11] SMP ARM 93.629500] ffa0: <4>[ 94.151674] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 00000011 00<040>0[0 1 1 904.183640] CPU: 2 PID: 2308 Comm: cat Tainted: G D W 5.10.167-cip25 #1 000001 b69[0 0 0 9040.01090721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 011 00000000 # [ 93.6379<540>] 94.202256] PC is at lkdtm_ACCESS_NULL+0x28/0x68 ffc0: 00000011 00000011 f[a 94.209649] LR is at __irq_work_queue_local+0x40/0x74 0e00 00000<040>4[ 0 0 09040.02017380] pc : [] lr : [] psr: 600e0013 0000000<04 >0[0 0 2 0904.0202 5b27] sp : c5ae9e50 ip : c5ae9d58 fp : c5ae9e64 ed5ea64< 4 >#[ [ 9 49.32.362460] r10: 0000000c r9 : c1acda90 r8 : c15e88e4 6396] ffe<04:> [0 0 0 09040.0243 993] r7 : c5ae9f60 r6 : 0000000c r5 : c6621000 r4 : 00000000 bed5e798 f[0 b 4 c9f4 .b2468515] r3 : 84d15f1d r2 : 84d15f1d r1 : ef7ab5e0 r0 : 00000026 917e6 # [ <943>.[6 5 1 79241.]57040] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Code: e11[0 0 4 9e43.02e60340] Control: 10c5387d Table: 1687804a DAC: 00000051 9a0 e34c01ac eb<10c>8[ 7 a 29 4(.274084] Process cat (pid: 2308, stack limit = 0x0cc70d24) 5943000) <#0 >[[ 9934..6252083] Stack: (0xc5ae9e50 to 0xc5aea000) 8090] ---[ end tre[ f 8 694.288525] 9e40: 00000027 c6621000 c5ae9e74 c5ae9e68 0c238fb1c11a ]<-0->-[ # 9A4C.299043] 9e60: c0c34dd8 c1362c24 c5ae9e9c c5ae9e78 c0c352d8 c0c34db8 c0c351b8 c5b11e00 ESS_USERSPACE:< 0m>i[s s i9n4g. 09474] 9e80: b6e6c000 0000000c c536a540 c5ae9f60 c5ae9ec4 c5ae9ea0 c07e1374 c0c351c4 'call trace:': <[0F>A[I L ] 9 4n319820] 9ea0: 00000000 c5b11e00 b6e6c000 c2815800 c5ae9f60 c07e1310 c5ae9f5c c5ae9ec8 ot ok 37 selftes[: l k9d4t330251] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c5ae8000 m: ACCESS_USEP[A C E .9s4h. 40683] 9ee0: b6e6c000 00020000 00000004 0000000c 0001fff4 c5ae9ee0 00000001 b6e6b000 # exit=1 # set[e s t s9:4 .351029] 9f00: c6137400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 kdtm: ACCESS_L[L . s h9 4 .361460] 9f20: 00000000 00000000 c1378200 84d15f1d c205cba0 c5b11e00 c5b11e00 c5ae8000 <0>[ 94.371806] 9f40: b6e6c000 00000000 00000000 00000004 c5ae9f94 c5ae9f60 c0599770 c05990dc <0>[ 94.380251] 9f60: 00000000 00000000 c5ae9fac 84d15f1d 0000000c 0000000c b6fb3e00 00000004 <0>[ 94.388696] 9f80: c03002e4 c5ae8000 c5ae9fa4 c5ae9f98 c0599800 c0599708 00000000 c5ae9fa8 <0>[ 94.397140] 9fa0: c03000c0 c05997f4 0000000c 0000000c 00000001 b6e6c000 0000000c 00000000 <0>[ 94.405587] 9fc0: 0000000c 0000000c b6fb3e00 00000004 00000001 00000000 00020000 be98ba64 <0>[ 94.414033] 9fe0: 00000004 be98b798 b6f1e4cf b6ea47e6 800e0030 00000001 00000000 00000000 <0>[ 94.422472] Backtrace: <0>[ 94.425200] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 94.433733] r5:c6621000 r4:00000027 <0>[ 94.437578] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 94.445859] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 94.454045] r9:c5ae9f60 r8:c536a540 r7:0000000c r6:b6e6c000 r5:c5b11e00 r4:c0c351b8 <0>[ 94.462063] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 94.470162] r9:c07e1310 r8:c5ae9f60 r7:c2815800 r6:b6e6c000 r5:c5b11e00 r4:00000000 <0>[ 94.478175] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 94.485579] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c5ae8000 r5:c5b11e00 <0>[ 94.493674] r4:c5b11e00 <0>[ 94.496479] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 94.503883] r9:c5ae8000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:0000000c r4:0000000c <0>[ 94.511898] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 94.519732] Exception stack(0xc5ae9fa8 to 0xc5ae9ff0) <0>[ 94.525053] 9fa0: 0000000c 0000000c 00000001 b6e6c000 0000000c 00000000 <0>[ 94.533498] 9fc0: 0000000c 0000000c b6fb3e00 00000004 00000001 00000000 00020000 be98ba64 <0>[ 94.541941] 9fe0: 00000004 be98b798 b6f1e4cf b6ea47e6 <0>[ 94.547265] Code: e30e09a0 e34c01ac e1a01004 ebffd402 (e5945000) <4>[ 94.553696] ---[ end trace f8640c238fb1c11b ]--- # Segmentation fault # [ 94.101652] lkdtm: Performing direct entry ACCESS_NULL # [ 94.107373] lkdtm: attempting bad read at 00000000 # [ 94.114682] 8<--- cut here --- # [ 94.120960] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 94.132073] pgd = 279e2423 # [ 94.137873] [00000000] *pgd=00000000 # [ 94.144543] Internal error: Oops: 5 [#11] SMP ARM # [ 94.151674] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.183640] CPU: 2 PID: 2308 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 94.193721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.202256] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 94.209649] LR is at __irq_work_queue_local+0x40/0x74 # [ 94.217380] pc : [] lr : [] psr: 600e0013 # [ 94.225727] sp : c5ae9e50 ip : c5ae9d58 fp : c5ae9e64 # [ 94.232860] r10: 0000000c r9 : c1acda90 r8 : c15e88e4 # [ 94.239993] r7 : c5ae9f60 r6 : 0000000c r5 : c6621000 r4 : 00000000 # [ 94.248515] r3 : 84d15f1d r2 : 84d15f1d r1 : ef7ab5e0 r0 : 00000026 # [ 94.257040] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.266340] Control: 10c5387d Table: 1687804a DAC: 00000051 # [ 94.274084] Process cat (pid: 2308, stack limit = 0x0cc70d24) # [ 94.282083] Stack: (0xc5ae9e50 to 0xc5aea000) # [ 94.288525] 9e40: 00000027 c6621000 c5ae9e74 c5ae9e68 # [ 94.299043] 9e60: c0c34dd8 c1362c24 c5ae9e9c c5ae9e78 c0c352d8 c0c34db8 c0c351b8 c5b11e00 # [ 94.309474] 9e80: b6e6c000 0000000c c536a540 c5ae9f60 c5ae9ec4 c5ae9ea0 c07e1374 c0c351c4 # [ 94.319820] 9ea0: 00000000 c5b11e00 b6e6c000 c2815800 c5ae9f60 c07e1310 c5ae9f5c c5ae9ec8 # [ 94.330251] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c5ae8000 # [ 94.340683] 9ee0: b6e6c000 00020000 00000004 0000000c 0001fff4 c5ae9ee0 00000001 b6e6b000 # [ 94.351029] 9f00: c6137400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.361460] 9f20: 00000000 00000000 c1378200 84d15f1d c205cba0 c5b11e00 c5b11e00 c5ae8000 # [ 94.371806] 9f40: b6e6c000 00000000 00000000 00000004 c5ae9f94 c5ae9f60 c0599770 c05990dc # [ 94.380251] 9f60: 00000000 00000000 c5ae9fac 84d15f1d 0000000c 0000000c b6fb3e00 00000004 # [ 94.388696] 9f80: c03002e4 c5ae8000 c5ae9fa4 c5ae9f98 c0599800 c0599708 00000000 c5ae9fa8 # [ 94.397140] 9fa0: c03000c0 c05997f4 0000000c 0000000c 00000001 b6e6c000 0000000c 00000000 # [ 94.405587] 9fc0: 0000000c 0000000c b6fb3e00 00000004 00000001 00000000 00020000 be98ba64 # [ 94.414033] 9fe0: 00000004 be98b798 b6f1e4cf b6ea47e6 800e0030 00000001 00000000 00000000 # [ 94.422472] Backtrace: # [ 94.425200] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.433733] r5:c6621000 r4:00000027 # [ 94.437578] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.445859] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.454045] r9:c5ae9f60 r8:c536a540 r7:0000000c r6:b6e6c000 r5:c5b11e00 r4:c0c351b8 # [ 94.462063] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 94.470162] r9:c07e1310 r8:c5ae9f60 r7:c2815800 r6:b6e6c000 r5:c5b11e00 r4:00000000 # [ 94.478175] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.485579] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c5ae8000 r5:c5b11e00 # [ 94.493674] r4:c5b11e00 # [ 94.496479] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.503<6>[ 94.996567] lkdtm: Performing direct entry WRITE_RO 883] r9:c5ae8000 r8:c03002e4 r7:<6>[ 95.003504] lkdtm: attempting bad rodata write at c15e8b7c 00000004 r6:b6fb3e00 r5:0000000c <1>[ 95.011983] 8<--- cut here --- r4:0000000c # [ 94.51189<81]> 95.018112] Unable to handle kernel paging request at virtual address c15e8b7c [] (sys_write) o[m 95.028120] pgd = a86eb58a [] (ret_fast_syscall+0<1>[ 95.033521] [c15e8b7c] *pgd=1141941e(bad) x0/0x28) # [ 94.519732] Exc[ 95.040673] Internal error: Oops: 80d [#12] SMP ARM tion stack(0xc5ae9fa8 to 0xc5ae9f<4>[ 95.048501] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 f0) # [ 94.525053] 9fa0: 4>[ 95.080485] CPU: 3 PID: 2382 Comm: cat Tainted: G D W 5.10.167-cip25 #1 00<040>0[0 0 c9 50.091258] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000c 00000001 b6e6c000 0000000c<4>[ 95.100068] PC is at lkdtm_WRITE_RO+0x44/0x50 00000000 # [ 94.533498] 9fc0:<4>[ 95.107562] LR is at __irq_work_queue_local+0x40/0x74 0000000c 0000000c f[b 3 e 05.115724] pc : [] lr : [] psr: 600e0013 0 00000004 000000<041> [0 0 0 090.124428] sp : c653fe50 ip : c653fd58 fp : c653fe64 000 00020000 9[8 b a 6945 . 32004] r10: 00000009 r9 : c1acda9c r8 : c15e88e4 # [ 94.541941] <94f>e[0 : 090.139408] r7 : c653ff60 r6 : 00000009 r5 : c5ab5000 r4 : c15e8b7c 000004 be98b798 f[1 e 4 c95f148285] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ace8a0 b6ea47e6 # [ 94.547265<]4 >C[ 95.157081] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none de: e30e09a0 e34c01ac a[0 1 95.166998] Control: 10c5387d Table: 1610804a DAC: 00000051 04 ebffd402 (e5945000) < 0 >#[ [ 95.175355] Process cat (pid: 2382, stack limit = 0xafd35bb3) 94.553696] ---[ e [t r a 95.183711] Stack: (0xc653fe50 to 0xc6540000) e f8640c238fb1c11b ]--- #< 0A>C[ 95.190599] fe40: 00000028 c5ab5000 c653fe74 c653fe68 ESS_NULL: missing 'call trace:': 0>[ 95.201565] fe60: c0c34dd8 c1362a24 c653fe9c c653fe78 c0c352d8 c0c34db8 c0c351b8 c5afedc0 [FAIL] not ok 38 selftests:< 0l>[ 95.212785] fe80: b6e7d000 00000009 c536a540 c653ff60 c653fec4 c653fea0 c07e1374 c0c351c4 dtm: ACCESS_NULL.sh # exit=1 < 0#[ 95.223833] fea0: 00000000 c5afedc0 b6e7d000 c2815800 c653ff60 c07e1310 c653ff5c c653fec8 selftests: lkdtm: WRITE_RO.s[ 95.245930] fee0: b6e7d000 00020000 00000004 00000009 0001fff7 c653fee0 00000001 b6e7c000 <0>[ 95.254459] ff00: c5a02780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 95.262926] ff20: 00000000 00000000 c1378200 2961cb88 c205cba0 c5afedc0 c5afedc0 c653e000 <0>[ 95.271393] ff40: b6e7d000 00000000 00000000 00000004 c653ff94 c653ff60 c0599770 c05990dc <0>[ 95.279860] ff60: 00000000 00000000 c653ffac 2961cb88 00000009 00000009 b6fc4e00 00000004 <0>[ 95.288327] ff80: c03002e4 c653e000 c653ffa4 c653ff98 c0599800 c0599708 00000000 c653ffa8 <0>[ 95.296794] ffa0: c03000c0 c05997f4 00000009 00000009 00000001 b6e7d000 00000009 00000000 <0>[ 95.305261] ffc0: 00000009 00000009 b6fc4e00 00000004 00000001 00000000 00020000 be8b3a64 <0>[ 95.313730] ffe0: 00000004 be8b3798 b6f2f4cf b6eb57e6 800e0030 00000001 00000000 00000000 <0>[ 95.322183] Backtrace: <0>[ 95.324946] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 95.333239] r5:c5ab5000 r4:00000028 <0>[ 95.337110] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 95.345415] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 95.353623] r9:c653ff60 r8:c536a540 r7:00000009 r6:b6e7d000 r5:c5afedc0 r4:c0c351b8 <0>[ 95.361669] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 95.369794] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6e7d000 r5:c5afedc0 r4:00000000 <0>[ 95.377830] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 95.385259] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c653e000 r5:c5afedc0 <0>[ 95.393367] r4:c5afedc0 <0>[ 95.396196] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 95.403622] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:00000009 r4:00000009 <0>[ 95.411663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 95.419513] Exception stack(0xc653ffa8 to 0xc653fff0) <0>[ 95.424854] ffa0: 00000009 00000009 00000001 b6e7d000 00000009 00000000 <0>[ 95.433322] ffc0: 00000009 00000009 b6fc4e00 00000004 00000001 00000000 00020000 be8b3a64 <0>[ 95.441783] ffe0: 00000004 be8b3798 b6f2f4cf b6eb57e6 <0>[ 95.447125] Code: e34a3bcd e30e08a0 e34c01ac e0233002 (e5843000) <4>[ 95.453510] ---[ end trace f8640c238fb1c11c ]--- # Segmentation fault # [ 94.996567] lkdtm: Performing direct entry WRITE_RO # [ 95.003504] lkdtm: attempting bad rodata write at c15e8b7c # [ 95.011983] 8<--- cut here --- # [ 95.018112] Unable to handle kernel paging request at virtual address c15e8b7c # [ 95.028120] pgd = a86eb58a # [ 95.033521] [c15e8b7c] *pgd=1141941e(bad) # [ 95.040673] Internal error: Oops: 80d [#12] SMP ARM # [ 95.048501] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.080485] CPU: 3 PID: 2382 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 95.091258] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.100068] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 95.107562] LR is at __irq_work_queue_local+0x40/0x74 # [ 95.115724] pc : [] lr : [] psr: 600e0013 # [ 95.124428] sp : c653fe50 ip : c653fd58 fp : c653fe64 # [ 95.132004] r10: 00000009 r9 : c1acda9c r8 : c15e88e4 # [ 95.139408] r7 : c653ff60 r6 : 00000009 r5 : c5ab5000 r4 : c15e8b7c # [ 95.148285] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ace8a0 # [ 95.157081] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 95.166998] Control: 10c5387d Table: 1610804a DAC: 00000051 # [ 95.175355] Process cat (pid: 2382, stack limit = 0xafd35bb3) # [ 95.183711] Stack: (0xc653fe50 to 0xc6540000) # [ 95.190599] fe40: 00000028 c5ab5000 c653fe74 c653fe68 # [ 95.201565] fe60: c0c34dd8 c1362a24 c653fe9c c653fe78 c0c352d8 c0c34db8 c0c351b8 c5afedc0 # [ 95.212785] fe80: b6e7d000 00000009 c536a540 c653ff60 c653fec4 c653fea0 c07e1374 c0c351c4 # [ 95.223833] fea0: 00000000 c5afedc0 b6e7d000 c2815800 c653ff60 c07e1310 c653ff5c c653fec8 # [ 95.234881] fec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c653e000 # [ 95.245930] fee0: b6e7d000 00020000 00000004 00000009 0001fff7 c653fee0 00000001 b6e7c000 # [ 95.254459] ff00: c5a02780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 95.262926] ff20: 00000000 00000000 c1378200 2961cb88 c205cba0 c5afedc0 c5afedc0 c653e000 # [ 95.271393] ff40: b6e7d000 00000000 00000000 00000004 c653ff94 c653ff60 c0599770 c05990dc # [ 95.279860] ff60: 00000000 00000000 c653ffac 2961cb88 00000009 00000009 b6fc4e00 00000004 # [ 95.288327] ff80: c03002e4 c653e000 c653ffa4 c653ff98 c0599800 c0599708 00000000 c653ffa8 # [ 95.296794] ffa0: c03000c0 c05997f4 00000009 00000009 00000001 b6e7d000 00000009 00000000 # [ 95.305261] ffc0: 00000009 00000009 b6fc4e00 00000004 00000001 00000000 00020000 be8b3a64 # [ 95.313730] ffe0: 00000004 be8b3798 b6f2f4cf b6eb57e6 800e0030 00000001 00000000 00000000 # [ 95.322183] Backtrace: # [ 95.324946] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.333239] r5:c5ab5000 r4:00000028 # [ 95.337110] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.345415] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.353623] r9:c653ff60 r8:c536a540 r7:00000009 r6:b6e7d000 r5:c5afedc0 r4:c0c351b8 # [ 95.361669] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.369794] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6e7d000 r5:c5afedc0 r4:00000000 # [ 95.377830] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.385259] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c653e000 r5:c5afedc0 # [ 95.393367] r4:c5afedc0 # [ 95.396196] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.403622] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:00000009 r4:00000009 # [ 95.411663] <6>[ 95.928489] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [] (sys_writ [f r 95.935876] lkdtm: attempting bad ro_after_init write at c1b7fc60 m [] (ret_fast_syscall+<1>[ 95.944655] 8<--- cut here --- 0x0/0x28) # [ 9<51.>4[1 9 5 195.950753] Unable to handle kernel paging request at virtual address c1b7fc60 ] Exception stack(<01x>c[6 5 3 f95.960415] pgd = a86eb58a a8 to 0xc653fff0) # [ 95.42485<1>[ 95.965563] [c1b7fc60] *pgd=11a1941e(bad) 4] ffa0: 000<00>[ 95.972712] Internal error: Oops: 80d [#13] SMP ARM 009 00000009 00000001 b6e7d000 00<4>[ 95.980541] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 000009 00000000 # [ 95.433322]4>[ 96.012524] CPU: 1 PID: 2456 Comm: cat Tainted: G D W 5.10.167-cip25 #1 ffc0: 00000009 00<040>0[0 0 9 96.023299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6fc4e00 00000004 00000001 0000000<4>[ 96.032279] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 0 00020000 be8b3a64 # [ 95.441<4>[ 96.040730] LR is at __irq_work_queue_local+0x40/0x74 783] ffe0: 00000004< 4b>e[8 b 3 76.048894] pc : [] lr : [] psr: 600e0013 98 b6f2f4cf b6eb57e<64 > [# [96.057598] sp : c5ae9e50 ip : c5ae9d58 fp : c5ae9e64 95.447125] Cod [e 3 4 a936.065257] r10: 00000014 r9 : c1acdaa8 r8 : c15e88e4 cd e30e08a0 e34c<041>a[c e 0926.072834] r7 : c5ae9f60 r6 : 00000014 r5 : c6218000 r4 : c1b7fc60 3002 (e58430<40>0[) 9#6 .[0 1710] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ace8a0 95.453510] ---[ end <4t>r[a c e96.090335] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none f8640c238fb1c11c ]<-4->-[ # 6.099993] Control: 10c5387d Table: 1610804a DAC: 00000051 WRITE_RO: missing 'call tc[e 96.108179] Process cat (pid: 2456, stack limit = 0x0cc70d24) :': [FAIL] not ok< 03>9[ s e l96.116617] Stack: (0xc5ae9e50 to 0xc5aea000) tests: lkdtm: WRITE_RO.sh # ex[ 96.123419] 9e40: 00000029 c6218000 c5ae9e74 c5ae9e68 =1 # selftests: lkdtm: WRIT[ 96.134555] 9e60: c0c34dd8 c1362a74 c5ae9e9c c5ae9e78 c0c352d8 c0c34db8 c0c351b8 c44d2b40 O_AFTER_INIT.sh <0>[ 96.145604] 9e80: b6e36000 00000014 c536a540 c5ae9f60 c5ae9ec4 c5ae9ea0 c07e1374 c0c351c4 <0>[ 96.155523] 9ea0: 00000000 c44d2b40 b6e36000 c2815800 c5ae9f60 c07e1310 c5ae9f5c c5ae9ec8 <0>[ 96.163993] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c5ae8000 <0>[ 96.172463] 9ee0: b6e36000 00020000 00000004 00000014 0001ffec c5ae9ee0 00000001 b6e35000 <0>[ 96.180933] 9f00: c5803040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 96.189402] 9f20: 00000000 00000000 c1378200 28c8cdb0 c205cba0 c44d2b40 c44d2b40 c5ae8000 <0>[ 96.197870] 9f40: b6e36000 00000000 00000000 00000004 c5ae9f94 c5ae9f60 c0599770 c05990dc <0>[ 96.206337] 9f60: 00000000 00000000 c5ae9fac 28c8cdb0 00000014 00000014 b6f7de00 00000004 <0>[ 96.214807] 9f80: c03002e4 c5ae8000 c5ae9fa4 c5ae9f98 c0599800 c0599708 00000000 c5ae9fa8 <0>[ 96.223275] 9fa0: c03000c0 c05997f4 00000014 00000014 00000001 b6e36000 00000014 00000000 <0>[ 96.231742] 9fc0: 00000014 00000014 b6f7de00 00000004 00000001 00000000 00020000 bedc6a64 <0>[ 96.240208] 9fe0: 00000004 bedc6798 b6ee84cf b6e6e7e6 800e0030 00000001 00000000 00000000 <0>[ 96.248662] Backtrace: <0>[ 96.251423] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 96.260673] r5:c6218000 r4:00000029 <0>[ 96.264545] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 96.272852] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 96.281065] r9:c5ae9f60 r8:c536a540 r7:00000014 r6:b6e36000 r5:c44d2b40 r4:c0c351b8 <0>[ 96.289110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 96.297235] r9:c07e1310 r8:c5ae9f60 r7:c2815800 r6:b6e36000 r5:c44d2b40 r4:00000000 <0>[ 96.305274] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 96.312702] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5ae8000 r5:c44d2b40 <0>[ 96.320812] r4:c44d2b40 <0>[ 96.323640] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 96.331068] r9:c5ae8000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:00000014 r4:00000014 <0>[ 96.339107] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 96.346958] Exception stack(0xc5ae9fa8 to 0xc5ae9ff0) <0>[ 96.352297] 9fa0: 00000014 00000014 00000001 b6e36000 00000014 00000000 <0>[ 96.360767] 9fc0: 00000014 00000014 b6f7de00 00000004 00000001 00000000 00020000 bedc6a64 <0>[ 96.369227] 9fe0: 00000004 bedc6798 b6ee84cf b6e6e7e6 <0>[ 96.374571] Code: e34a3bcd e30e08a0 e34c01ac e0233002 (e5843000) <4>[ 96.380957] ---[ end trace f8640c238fb1c11d ]--- # Segmentation fault # [ 95.928489] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 95.935876] lkdtm: attempting bad ro_after_init write at c1b7fc60 # [ 95.944655] 8<--- cut here --- # [ 95.950753] Unable to handle kernel paging request at virtual address c1b7fc60 # [ 95.960415] pgd = a86eb58a # [ 95.965563] [c1b7fc60] *pgd=11a1941e(bad) # [ 95.972712] Internal error: Oops: 80d [#13] SMP ARM # [ 95.980541] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.012524] CPU: 1 PID: 2456 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 96.023299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.032279] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 96.040730] LR is at __irq_work_queue_local+0x40/0x74 # [ 96.048894] pc : [] lr : [] psr: 600e0013 # [ 96.057598] sp : c5ae9e50 ip : c5ae9d58 fp : c5ae9e64 # [ 96.065257] r10: 00000014 r9 : c1acdaa8 r8 : c15e88e4 # [ 96.072834] r7 : c5ae9f60 r6 : 00000014 r5 : c6218000 r4 : c1b7fc60 # [ 96.081710] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ace8a0 # [ 96.090335] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 96.099993] Control: 10c5387d Table: 1610804a DAC: 00000051 # [ 96.108179] Process cat (pid: 2456, stack limit = 0x0cc70d24) # [ 96.116617] Stack: (0xc5ae9e50 to 0xc5aea000) # [ 96.123419] 9e40: 00000029 c6218000 c5ae9e74 c5ae9e68 # [ 96.134555] 9e60: c0c34dd8 c1362a74 c5ae9e9c c5ae9e78 c0c352d8 c0c34db8 c0c351b8 c44d2b40 # [ 96.145604] 9e80: b6e36000 00000014 c536a540 c5ae9f60 c5ae9ec4 c5ae9ea0 c07e1374 c0c351c4 # [ 96.155523] 9ea0: 00000000 c44d2b40 b6e36000 c2815800 c5ae9f60 c07e1310 c5ae9f5c c5ae9ec8 # [ 96.163993] 9ec0: c05991dc c07e131c 00000001 00000000 c0599770 c1378200 c0599770 c5ae8000 # [ 96.172463] 9ee0: b6e36000 00020000 00000004 00000014 0001ffec c5ae9ee0 00000001 b6e35000 # [ 96.180933] 9f00: c5803040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 96.189402] 9f20: 00000000 00000000 c1378200 28c8cdb0 c205cba0 c44d2b40 c44d2b40 c5ae8000 # [ 96.197870] 9f40: b6e36000 00000000 00000000 00000004 c5ae9f94 c5ae9f60 c0599770 c05990dc # [ 96.206337] 9f60: 00000000 00000000 c5ae9fac 28c8cdb0 00000014 00000014 b6f7de00 00000004 # [ 96.214807] 9f80: c03002e4 c5ae8000 c5ae9fa4 c5ae9f98 c0599800 c0599708 00000000 c5ae9fa8 # [ 96.223275] 9fa0: c03000c0 c05997f4 00000014 00000014 00000001 b6e36000 00000014 00000000 # [ 96.231742] 9fc0: 00000014 00000014 b6f7de00 00000004 00000001 00000000 00020000 bedc6a64 # [ 96.240208] 9fe0: 00000004 bedc6798 b6ee84cf b6e6e7e6 800e0030 00000001 00000000 00000000 # [ 96.248662] Backtrace: # [ 96.251423] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.260673] r5:c6218000 r4:00000029 # [ 96.264545] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.272852] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.281065] r9:c5ae9f60 r8:c536a540 r7:00000014 r6:b6e36000 r5:c44d2b40 r4:c0c351b8 # [ 96.289110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.297235] r9:c07e1310 r8:c5ae9f60 r7:c2815800 r6:b6e36000 r5:c44d2b40 r4:00000000 # [ 96.305274] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.312702] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6<6>[ 96.815055] lkdtm: Performing direct entry WRITE_KERN :c5ae8000 r5:c44d2b40 # [ 96.3<6>[ 96.821722] lkdtm: attempting bad 7523832 byte write at c1362940 20812] r4:c44d2b40 # [ 96.323<1>[ 96.830860] 8<--- cut here --- 640] [] (y[s _ w96.836931] Unable to handle kernel paging request at virtual address c1362940 ite) from [9[9 8 0 09>6]. 46582] pgd = d6f9f7c7 (sys_write+0x18/0x1c) # [ < 1 >9 96.851459] [c1362940] *pgd=1121940e(bad) 6.331068] r9:a[e 8 0 0906 .858251] Internal error: Oops: 80d [#14] SMP ARM 8:c03002e4 r7:00000004 r6:b6f7de0<4>[ 96.865384] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0 r5:00000014 r4:00<040>0[0 1 4 6.897348] CPU: 3 PID: 2530 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 9<64.>3[3 9 1 0976]. 9[0<7513] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 05997e8>] (sys_write) fm[ [ 96.916046] PC is at memcpy+0x50/0x330 ] (r_[f a s t9_6s.922393] LR is at 0xe92dd830 scall+0x0/<04x>[2 8 ) 9 6#. 9[2 789] pc : [] lr : [] psr: 200e0013 96.3469<548>][ E x c9e6p.t9i3o048] sp : c6371e2c ip : e1a0c00d fp : c6371e64 n stac0[x c 5 a9e69.f9a483 268] r10: 0000000b r9 : c1acdabc r8 : e89da800 o 0xc5ae90[) 9#6 .[9 5 0401] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 96.35229<74]> [9 f a 09:6 . 9 5 8924] r3 : e1a0c00d r2 : 0072cd58 r1 : c0c35b68 r0 : c1362940 <040>0[0 0 0 1946 .967448] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000014 00<040>[0 0 0 19 6b.69e73837] Control: 10c5387d Table: 167d004a DAC: 00000051 6000 00000014 <000>0[0 0 0 0906 .984579] Process cat (pid: 2530, stack limit = 0xe0714db3) # [ 96.36<007>6[7 ] 99f6c.09:2581] Stack: (0xc6371e2c to 0xc6372000) 00000014 0000<000>1[4 b 69f67.999022] 1e20: c0c35b48 0072cdf8 c6371f60 c15e88e4 c1362940 e00 00000004 0000<000>0[1 0 090.009455] 1e40: c1362940 c1362b24 0000002a c5aa6000 0000000b c6371f60 c6371e74 c6371e68 00000 00020000< 0b>e[d c 6 a9674.019973] 1e60: c0c34dd8 c1362ae4 c6371e9c c6371e78 c0c352d8 c0c34db8 c0c351b8 c63a37c0 # [ 96.3692<207>][ 9 f e907:.030406] 1e80: b6dec000 0000000b c536a540 c6371f60 c6371ec4 c6371ea0 c07e1374 c0c351c4 00000004 bedc6<709>8[ b 6 e9e78.040839] 1ea0: 00000000 c63a37c0 b6dec000 c2815800 c6371f60 c07e1310 c6371f5c c6371ec8 cf b6e6e7e6 #< 0[>[ 9967..351271] 1ec0: c05991dc c07e131c 00000001 00000000 c0599770 c59c0e24 c0599770 c6370000 74571] Code: e<304>a[3 b c d9 7e.061616] 1ee0: b6dec000 00020000 00000004 0000000b 0001fff5 c6371ee0 00000001 00000805 0e08a0 e34c01ac< 0e>0[2 3 3 09072072048] 1f00: c5b10dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 (e5843000) <#0 >[[ 9967..082480] 1f20: 00000000 00000000 c6370000 4f877b7b b6deb000 c63a37c0 c63a37c0 c6370000 80957] ---[ end tc[e f 896.092913] 1f40: b6dec000 00000000 00000000 00000004 c6371f94 c6371f60 c0599770 c05990dc 40c238fb1c11d <]0->-[- #9 7W.103431] 1f60: 00000000 00000000 c6371fac 4f877b7b 0000000b 0000000b b6f33e00 00000004 ITE_RO_AFTER_IN:[ m i s9s7i113864] 1f80: c03002e4 c6370000 c6371fa4 c6371f98 c0599800 c0599708 00000000 c6371fa8 ng 'call trace:<'0:> [[ F A I9L7]124296] 1fa0: c03000c0 c05997f4 0000000b 0000000b 00000001 b6dec000 0000000b 00000000 not ok 40 sele[s t s :9 7l134727] 1fc0: 0000000b 0000000b b6f33e00 00000004 00000001 00000000 00020000 bed37a64 kdtm: WRITE_RO<_0A>F[T E R _9I7N.145160] 1fe0: 00000004 bed37798 b6e9e4cf b6e247e6 800e0030 00000001 00000000 00000000 T.sh # exit=1 #< 0s>e[l f t e9s7.155588] Backtrace: s: lkdtm: WRITE_KERN.sh <0>[ 97.160390] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 97.170988] r7:c6371f60 r6:0000000b r5:c5aa6000 r4:0000002a <0>[ 97.176920] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 97.185200] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 97.193386] r9:c6371f60 r8:c536a540 r7:0000000b r6:b6dec000 r5:c63a37c0 r4:c0c351b8 <0>[ 97.201404] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 97.209502] r9:c07e1310 r8:c6371f60 r7:c2815800 r6:b6dec000 r5:c63a37c0 r4:00000000 <0>[ 97.217514] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 97.224918] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c6370000 r5:c63a37c0 <0>[ 97.233013] r4:c63a37c0 <0>[ 97.235817] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 97.243221] r9:c6370000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:0000000b r4:0000000b <0>[ 97.251236] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 97.259069] Exception stack(0xc6371fa8 to 0xc6371ff0) <0>[ 97.264391] 1fa0: 0000000b 0000000b 00000001 b6dec000 0000000b 00000000 <0>[ 97.272837] 1fc0: 0000000b 0000000b b6f33e00 00000004 00000001 00000000 00020000 bed37a64 <0>[ 97.281280] 1fe0: 00000004 bed37798 b6e9e4cf b6e247e6 <0>[ 97.286602] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 97.292967] ---[ end trace f8640c238fb1c11e ]--- # Segmentation fault # [ 96.815055] lkdtm: Performing direct entry WRITE_KERN # [ 96.821722] lkdtm: attempting bad 7523832 byte write at c1362940 # [ 96.830860] 8<--- cut here --- # [ 96.836931] Unable to handle kernel paging request at virtual address c1362940 # [ 96.846582] pgd = d6f9f7c7 # [ 96.851459] [c1362940] *pgd=1121940e(bad) # [ 96.858251] Internal error: Oops: 80d [#14] SMP ARM # [ 96.865384] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.897348] CPU: 3 PID: 2530 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 96.907513] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.916046] PC is at memcpy+0x50/0x330 # [ 96.922393] LR is at 0xe92dd830 # [ 96.927789] pc : [] lr : [] psr: 200e0013 # [ 96.936048] sp : c6371e2c ip : e1a0c00d fp : c6371e64 # [ 96.943268] r10: 0000000b r9 : c1acdabc r8 : e89da800 # [ 96.950401] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 96.958924] r3 : e1a0c00d r2 : 0072cd58 r1 : c0c35b68 r0 : c1362940 # [ 96.967448] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 96.976837] Control: 10c5387d Table: 167d004a DAC: 00000051 # [ 96.984579] Process cat (pid: 2530, stack limit = 0xe0714db3) # [ 96.992581] Stack: (0xc6371e2c to 0xc6372000) # [ 96.999022] 1e20: c0c35b48 0072cdf8 c6371f60 c15e88e4 c1362940 # [ 97.009455] 1e40: c1362940 c1362b24 0000002a c5aa6000 0000000b c6371f60 c6371e74 c6371e68 # [ 97.019973] 1e60: c0c34dd8 c1362ae4 c6371e9c c6371e78 c0c352d8 c0c34db8 c0c351b8 c63a37c0 # [ 97.030406] 1e80: b6dec000 0000000b c536a540 c6371f60 c6371ec4 c6371ea0 c07e1374 c0c351c4 # [ 97.040839] 1ea0: 00000000 c63a37c0 b6dec000 c2815800 c6371f60 c07e1310 c6371f5c c6371ec8 # [ 97.051271] 1ec0: c05991dc c07e131c 00000001 00000000 c0599770 c59c0e24 c0599770 c6370000 # [ 97.061616] 1ee0: b6dec000 00020000 00000004 0000000b 0001fff5 c6371ee0 00000001 00000805 # [ 97.072048] 1f00: c5b10dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.082480] 1f20: 00000000 00000000 c6370000 4f877b7b b6deb000 c63a37c0 c63a37c0 c6370000 # [ 97.092913] 1f40: b6dec000 00000000 00000000 00000004 c6371f94 c6371f60 c0599770 c05990dc # [ 97.103431] 1f60: 00000000 00000000 c6371fac 4f877b7b 0000000b 0000000b b6f33e00 00000004 # [ 97.113864] 1f80: c03002e4 c6370000 c6371fa4 c6371f98 c0599800 c0599708 00000000 c6371fa8 # [ 97.124296] 1fa0: c03000c0 c05997f4 0000000b 0000000b 00000001 b6dec000 0000000b 00000000 # [ 97.134727] 1fc0: 0000000b 0000000b b6f33e00 00000004 00000001 00000000 00020000 bed37a64 # [ 97.145160] 1fe0: 00000004 bed37798 b6e9e4cf b6e247e6 800e0030 00000001 00000000 00000000 # [ 97.155588] Backtrace: # [ 97.160390] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.170988] r7:c6371f60 r6:0000000b r5:c5aa6000 r4:0000002a # [ 97.176920] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.185200] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.193386] r9:c6371f60 r8:c536a540 r7:0000000b r6:b6dec000 r5:c63a37c0 r4:c0c351b8 # [ 97.201404] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.209502] r9:c07e1310 r8:c6371f60 r7:c2815800 r6:b6dec000 r5:c63a37c0 r4:00000000 # [ 97.217514] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.224918] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c6370000 r5:c63a37c0 # [ 97.233013] r4:c63a37c0 # [ 97.235817] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.243221] r9:c6370000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:0000000b r4:0000000b # [ 97<6>[ 97.750237] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW .251236] [e[8 > ] 9(7s756929] lkdtm: attempting good refcount_inc() without overflow ys_write) from [] (ret_<6>[ 97.765567] lkdtm: attempting bad refcount_inc() overflow fast_syscall+0x0/0x28) # [ 97.<4>[ 97.773969] ------------[ cut here ]------------ 259069] Exception stack(0xc6371fa<4>[ 97.781793] WARNING: CPU: 1 PID: 2605 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 8 to 0xc6371ff0) # [ 97.264391<4>[ 97.793250] refcount_t: saturated; leaking memory. ] 1fa0: 0000000<4>[ 97.801173] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 b 0000000b 00000001 b6dec000 0000<4>[ 97.833128] CPU: 1 PID: 2605 Comm: cat Tainted: G D W 5.10.167-cip25 #1 000b 00000<040>0[ # 9[7 . 8 43950] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 7.272837] 1fc0: <040>0[0 0 0 09b7.852559] Backtrace: 0000000b b6f33e00 00000004 000000<4>[ 97.857367] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 01 00000000 00<042>0[0 0 0 97b.e68047] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 d37a64 # [ 97.281280]< 41>f[e 97.875879] [] (show_stack) from [] (dump_stack+0xe0/0x100) : 00000004 bed37798 b6e<94e>4[c f 97.885877] [] (dump_stack) from [] (__warn+0x98/0x14c) b6e247e6 # <[4 > [ 9 7 .9278.695437] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c 602] Code: f5d1f05c f<54d>1[f 0 797.905353] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) c e8b151f8 5[2 2 0 2907. 9(15344] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62f0000 8a051f8) # [ 97.29<249>6[7 ] 97.923091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) ---[ end trace 6[4 0 c 29378934648] r9:c1acdac8 r8:c15e88e4 r7:c62f1f60 r6:00000016 r5:c6218000 r4:c62f0000 fb1c11e ]--- # WRITE<_4K>E[R N :97.944650] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) missing 'call trac'[: [ F7.956820] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) AIL] not ok 41 selt[e s t s97.969333] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) lkdtm: WRE[_ K E R9N7..s9h80889] r4:0000002b # exit=1 # selfs[t s : 9l7.985509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) dtm: REFCOUNT_INC_OVERFLOs[h 97.995859] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.006458] r9:c62f1f60 r8:c536a540 r7:00000016 r6:b6e39000 r5:c599d180 r4:c0c351b8 <4>[ 98.014641] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 98.022740] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e39000 r5:c599d180 r4:00000000 <4>[ 98.030754] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.038159] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c62f0000 r5:c599d180 <4>[ 98.046253] r4:c599d180 <4>[ 98.049056] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.056461] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016 <4>[ 98.064477] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.072312] Exception stack(0xc62f1fa8 to 0xc62f1ff0) <4>[ 98.077633] 1fa0: 00000016 00000016 00000001 b6e39000 00000016 00000000 <4>[ 98.086080] 1fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bed54a64 <4>[ 98.094523] 1fe0: 00000004 bed54798 b6eeb4cf b6e717e6 <4>[ 98.099899] irq event stamp: 0 <4>[ 98.103232] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.109108] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.116886] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.124695] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.130581] ---[ end trace f8640c238fb1c11f ]--- <6>[ 98.135474] lkdtm: Overflow detected: saturated # [ 97.750237] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 97.756929] lkdtm: attempting good refcount_inc() without overflow # [ 97.765567] lkdtm: attempting bad refcount_inc() overflow # [ 97.773969] ------------[ cut here ]------------ # [ 97.781793] WARNING: CPU: 1 PID: 2605 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 97.793250] refcount_t: saturated; leaking memory. # [ 97.801173] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.833128] CPU: 1 PID: 2605 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 97.843950] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.852559] Backtrace: # [ 97.857367] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.868047] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 97.875879] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.885877] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.895437] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c # [ 97.905353] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.915344] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62f0000 # [ 97.923091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 97.934648] r9:c1acdac8 r8:c15e88e4 r7:c62f1f60 r6:00000016 r5:c6218000 r4:c62f0000 # [ 97.944650] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 97.956820] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 97.969333] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.980889] r4:0000002b # [ 97.985509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.995859] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.006458] r9:c62f1f60 r8:c536a540 r7:00000016 r6:b6e39000 r5:c599d180 r4:c0c351b8 # [ 98.014641] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.022740] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e39000 r5:c599d180 r4:00000000 # [ 98.030754] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.038159] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c62f0000 r5:c599d180 # [ 98.046253] r4:c599d180 # [ 98.049056] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.056461] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016 # [ 98.064477] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.072312] Exception stack(0xc62f1fa8 to 0xc62f1ff0) # [ 98.077633] 1fa0: 00000016 00000016 00000001 b6e39000 00000016 00000000 # [ 98.086080] 1fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bed54a64 # [ 98.094523] 1fe0: 00000004 bed54798 b6eeb4cf b6e717e6 # [ 98.099899] irq event stamp: 0 # [ 98.103232] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.109108] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.116886] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.124695] softirqs last disabled at (0): [<0<6>[ 98.534253] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0000000>] 0x0 # [ 98.130581] -<6>[ 98.542848] lkdtm: attempting good refcount_add() without overflow --[ end trace f8640c238fb1c11f ]-<6>[ 98.552174] lkdtm: attempting bad refcount_add() overflow -- # [ 98.135474] lkdtm: Overf<4>[ 98.560745] ------------[ cut here ]------------ low detected: saturated # REFCOU<4>[ 98.568526] WARNING: CPU: 0 PID: 2639 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 NT_INC_OVERFLOW: missing 'call tr<4>[ 98.580198] refcount_t: saturated; leaking memory. ace:': [FAIL] not ok 42 selftest<4>[ 98.588065] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 s: lkdtm: REFCOUNT_INC_OVERFLOW.s<4>[ 98.620075] CPU: 0 PID: 2639 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 98.630893] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.637689] Backtrace: <4>[ 98.640436] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.648280] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 98.654218] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.661808] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.669044] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c <4>[ 98.677064] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.684817] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62f8000 <4>[ 98.690753] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 98.699985] r9:c1acdae0 r8:c15e88e4 r7:c62f9f60 r6:00000016 r5:c61f9000 r4:c62f8000 <4>[ 98.708004] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 98.717936] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 98.728299] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.737697] r4:0000002c <4>[ 98.740505] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.748788] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.756978] r9:c62f9f60 r8:c536a540 r7:00000016 r6:b6e49000 r5:c599e8c0 r4:c0c351b8 <4>[ 98.764999] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 98.773101] r9:c07e1310 r8:c62f9f60 r7:c2815800 r6:b6e49000 r5:c599e8c0 r4:00000000 <4>[ 98.781117] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.788525] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c62f8000 r5:c599e8c0 <4>[ 98.796620] r4:c599e8c0 <4>[ 98.799428] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.806835] r9:c62f8000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000016 r4:00000016 <4>[ 98.814854] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.822691] Exception stack(0xc62f9fa8 to 0xc62f9ff0) <4>[ 98.828016] 9fa0: 00000016 00000016 00000001 b6e49000 00000016 00000000 <4>[ 98.836466] 9fc0: 00000016 00000016 b6f90e00 00000004 00000001 00000000 00020000 bed74a64 <4>[ 98.844912] 9fe0: 00000004 bed74798 b6efb4cf b6e817e6 h # exit=1 # selftests: lkdtm: R<4>[ 98.850311] irq event stamp: 0 EFCOUNT_ADD_OVERFLOW.sh <4>[ 98.856496] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.864507] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.872330] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.880144] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.885994] ---[ end trace f8640c238fb1c120 ]--- <6>[ 98.890918] lkdtm: Overflow detected: saturated # [ 98.534253] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 98.542848] lkdtm: attempting good refcount_add() without overflow # [ 98.552174] lkdtm: attempting bad refcount_add() overflow # [ 98.560745] ------------[ cut here ]------------ # [ 98.568526] WARNING: CPU: 0 PID: 2639 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 98.580198] refcount_t: saturated; leaking memory. # [ 98.588065] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.620075] CPU: 0 PID: 2639 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 98.630893] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.637689] Backtrace: # [ 98.640436] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.648280] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 98.654218] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.661808] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.669044] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c # [ 98.677064] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.684817] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62f8000 # [ 98.690753] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 98.699985] r9:c1acdae0 r8:c15e88e4 r7:c62f9f60 r6:00000016 r5:c61f9000 r4:c62f8000 # [ 98.708004] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 98.717936] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 98.728299] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.737697] r4:0000002c # [ 98.740505] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.748788] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.756978] r9:c62f9f60 r8:c536a540 r7:00000016 r6:b6e49000 r5:c599e8c0 r4:c0c351b8 # [ 98.764999] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.773101] r9:c07e1310 r8:c62f9f60 r7:c2815800 r6:b6e49000 r5:c599e8c0 r4:00000000 # [ 98.781117] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.788525] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c62f8000 r5:c599e8c0 # [ 98.796620] r4:c599e8c0 # [ 98.799428] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.806835] r9:c62f8000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000016 r4:00000016 # [ 98.814854] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.822691] Exception stack(0xc62f9fa8 to 0xc62f9ff0) # [ 98.828016] 9fa0: 00000016 00000016 00000001 b6e49000 00000016 00000000 # [ 98.836466] 9fc0: 00000016 00000016 b6f90e00 00000004 00000001 00000000 00020000 bed74a64 # [ 98.844912] 9fe0: 00000004 bed74798 b6efb4cf b6e817e6 # [ 98.850311] irq event stamp: 0 # [ 98.856496] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.864507] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.872330] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <6>[ 99.296151] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 98.880144] softirqs last di<6>[ 99.304830] lkdtm: attempting bad refcount_inc_not_zero() overflow sabled at (0): [<00000000>] 0x0 <4>[ 99.314005] ------------[ cut here ]------------ # [ 98.885994] ---[ end trace f<4>[ 99.321759] WARNING: CPU: 2 PID: 2673 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 8640c238fb1c120 ]--- # [ 98.89<4>[ 99.333293] refcount_t: saturated; leaking memory. 0918] lkdtm: Overflow detected: s<4>[ 99.341210] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 aturated # REFCOUNT_ADD_OVERFLOW<4>[ 99.373190] CPU: 2 PID: 2673 Comm: cat Tainted: G D W 5.10.167-cip25 #1 : missing 'ca [t r a c9e9:.'84006] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) : [FAIL] not ok 43 l[f t e 99.392704] Backtrace: ts: lkdtm: REFCOUNT_ADD_OVERFLOW.<4>[ 99.397690] [] (dump_backtrace) from [] (show_stack+0x20/0x24) sh # exit=1 # selftest [l k 99.408370] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 dtm: REFCOUNT_INC_NOT_ZERO<_4O>V[ 99.416636] [] (show_stack) from [] (dump_stack+0xe0/0x100) RFLOW.sh <4>[ 99.426722] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.434806] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c <4>[ 99.442827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.450581] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c63a6000 <4>[ 99.456516] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 99.465747] r9:c1acdaf8 r8:c15e88e4 r7:c63a7f60 r6:0000001f r5:c6621000 r4:7fffffff <4>[ 99.473769] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 99.484479] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 99.496397] r5:c6621000 r4:c63a6000 <4>[ 99.500249] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.510429] r4:0000002d <4>[ 99.513235] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.521517] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.529707] r9:c63a7f60 r8:c536a540 r7:0000001f r6:b6e5e000 r5:c5803900 r4:c0c351b8 <4>[ 99.537731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 99.545834] r9:c07e1310 r8:c63a7f60 r7:c2815800 r6:b6e5e000 r5:c5803900 r4:00000000 <4>[ 99.553849] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.561256] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c63a6000 r5:c5803900 <4>[ 99.569352] r4:c5803900 <4>[ 99.572159] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.579566] r9:c63a6000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:0000001f r4:0000001f <4>[ 99.587585] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.595423] Exception stack(0xc63a7fa8 to 0xc63a7ff0) <4>[ 99.600747] 7fa0: 0000001f 0000001f 00000001 b6e5e000 0000001f 00000000 <4>[ 99.609197] 7fc0: 0000001f 0000001f b6fa5e00 00000004 00000001 00000000 00020000 beda0a64 <4>[ 99.617643] 7fe0: 00000004 beda0798 b6f104cf b6e967e6 <4>[ 99.623045] irq event stamp: 0 <4>[ 99.626385] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.632271] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.640080] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.647889] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.653742] ---[ end trace f8640c238fb1c121 ]--- <6>[ 99.658675] lkdtm: Overflow detected: saturated # [ 99.296151] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 99.304830] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 99.314005] ------------[ cut here ]------------ # [ 99.321759] WARNING: CPU: 2 PID: 2673 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 99.333293] refcount_t: saturated; leaking memory. # [ 99.341210] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.373190] CPU: 2 PID: 2673 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 99.384006] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.392704] Backtrace: # [ 99.397690] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.408370] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 99.416636] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.426722] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.434806] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c # [ 99.442827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.450581] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c63a6000 # [ 99.456516] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.465747] r9:c1acdaf8 r8:c15e88e4 r7:c63a7f60 r6:0000001f r5:c6621000 r4:7fffffff # [ 99.473769] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.484479] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 99.496397] r5:c6621000 r4:c63a6000 # [ 99.500249] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.510429] r4:0000002d # [ 99.513235] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.521517] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.529707] r9:c63a7f60 r8:c536a540 r7:0000001f r6:b6e5e000 r5:c5803900 r4:c0c351b8 # [ 99.537731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.545834] r9:c07e1310 r8:c63a7f60 r7:c2815800 r6:b6e5e000 r5:c5803900 r4:00000000 # [ 99.553849] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.561256] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c63a6000 r5:c5803900 # [ 99.569352] r4:c5803900 # [ 99.572159] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.579566] r9:c63a6000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:0000001f r4:0000001f # [ 99.587585] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.595423] Exception stack(0xc63a7fa8 to 0xc63a7ff0) # [ 99.600747] 7fa0: 0000001f 0000001f 00000001 b6e5e000 0000001f 00000000 # [ 99.609197] 7fc0: 0000001f 0000001f b6fa5e00 00000004 00000001 00000000 00020000 beda0a64 # [ 99.617643] 7fe0: 00000004 beda0798 b6f104cf b6e967e6 # [ 99.623045] irq event stamp: 0 # [ 99.626385] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.632271] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.640080] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.647889] softirqs last disabled at (0): [<00000000<6>[ 100.066535] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW >] 0x0 # [ 99.653742] ---[ end<6>[ 100.075320] lkdtm: attempting bad refcount_add_not_zero() overflow trace f8640c238fb1c121 ]--- # [<4>[ 100.084564] ------------[ cut here ]------------ 99.658675] lkdtm: Overflow det<4>[ 100.092446] WARNING: CPU: 3 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ected: saturated # REFCOUNT_INC_<4>[ 100.103857] refcount_t: saturated; leaking memory. NOT_ZERO_OVERFLOW: missing 'call <4>[ 100.111765] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 trace:': [FAIL] not ok 44 selfte<4>[ 100.143740] CPU: 3 PID: 2707 Comm: cat Tainted: G D W 5.10.167-cip25 #1 sts: lkdtm: F[C O U1N0T0_.I154565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) C_NOT_ZERO_OVERFW[. s h1 0#0.163260] Backtrace: exit=1 # selftests: lkdtm: REFCO<4>[ 100.168068] [] (dump_backtrace) from [] (show_stack+0x20/0x24) UNT_ADD_NOT_ZERO<_4O>V[E R F1L0O0.178748] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 .sh <4>[ 100.186753] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.194755] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.201986] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c <4>[ 100.210000] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.217751] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c6382000 <4>[ 100.223683] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 100.232912] r9:c1acdb18 r8:c15e88e4 r7:c6383f60 r6:0000001f r5:c5de1000 r4:7fffffff <4>[ 100.240928] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 100.251633] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 100.263547] r5:c5de1000 r4:c6382000 <4>[ 100.267396] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.277574] r4:0000002e <4>[ 100.280377] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.288657] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.296842] r9:c6383f60 r8:c536a540 r7:0000001f r6:b6dc2000 r5:c44d48c0 r4:c0c351b8 <4>[ 100.304860] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 100.312960] r9:c07e1310 r8:c6383f60 r7:c2815800 r6:b6dc2000 r5:c44d48c0 r4:00000000 <4>[ 100.320973] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.328377] r10:00000004 r9:00000000 r8:00000000 r7:b6dc2000 r6:c6382000 r5:c44d48c0 <4>[ 100.336471] r4:c44d48c0 <4>[ 100.339275] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.346678] r9:c6382000 r8:c03002e4 r7:00000004 r6:b6f09e00 r5:0000001f r4:0000001f <4>[ 100.354693] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.362527] Exception stack(0xc6383fa8 to 0xc6383ff0) <4>[ 100.367849] 3fa0: 0000001f 0000001f 00000001 b6dc2000 0000001f 00000000 <4>[ 100.376295] 3fc0: 0000001f 0000001f b6f09e00 00000004 00000001 00000000 00020000 be899a64 <4>[ 100.384738] 3fe0: 00000004 be899798 b6e744cf b6dfa7e6 <4>[ 100.390112] irq event stamp: 0 <4>[ 100.393446] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.399323] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.407101] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.414934] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.420827] ---[ end trace f8640c238fb1c122 ]--- <6>[ 100.425735] lkdtm: Overflow detected: saturated # [ 100.066535] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 100.075320] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 100.084564] ------------[ cut here ]------------ # [ 100.092446] WARNING: CPU: 3 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 100.103857] refcount_t: saturated; leaking memory. # [ 100.111765] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.143740] CPU: 3 PID: 2707 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 100.154565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.163260] Backtrace: # [ 100.168068] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.178748] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 100.186753] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.194755] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.201986] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c # [ 100.210000] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.217751] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c6382000 # [ 100.223683] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 100.232912] r9:c1acdb18 r8:c15e88e4 r7:c6383f60 r6:0000001f r5:c5de1000 r4:7fffffff # [ 100.240928] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 100.251633] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 100.263547] r5:c5de1000 r4:c6382000 # [ 100.267396] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.277574] r4:0000002e # [ 100.280377] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.288657] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.296842] r9:c6383f60 r8:c536a540 r7:0000001f r6:b6dc2000 r5:c44d48c0 r4:c0c351b8 # [ 100.304860] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.312960] r9:c07e1310 r8:c6383f60 r7:c2815800 r6:b6dc2000 r5:c44d48c0 r4:00000000 # [ 100.320973] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.328377] r10:00000004 r9:00000000 r8:00000000 r7:b6dc2000 r6:c6382000 r5:c44d48c0 # [ 100.336471] r4:c44d48c0 # [ 100.339275] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.346678] r9:c6382000 r8:c03002e4 r7:00000004 r6:b6f09e00 r5:0000001f r4:0000001f # [ 100.354693] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.362527] Exception stack(0xc6383fa8 to 0xc6383ff0) # [ 100.367849] 3fa0: 0000001f 0000001f 00000001 b6dc2000 0000001f 00000000 # [ 100.376295] 3fc0: 0000001f 0000001f b6f09e00 00000004 00000001 00000000 00020000 be899a64 # [ 100.384738] 3fe0: 00000004 be899798 b6e744cf b6dfa7e6 # [ 100.390112] irq event stamp: 0 # [ 100.393446] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.399323] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.407101] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.414934] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.420827] ---[ end trace f8640<6>[ 100.840360] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO c238fb1c122 ]---< 6> [# [1 0 01847043] lkdtm: attempting good refcount_dec() 00.425735] lkdtm: Overflow detect<6>[ 100.854066] lkdtm: attempting bad refcount_dec() to zero ed: saturated # REFCOUNT_ADD_NOT<4>[ 100.862562] ------------[ cut here ]------------ _ZERO_OVERFLOW: missing 'call tra<4>[ 100.870261] WARNING: CPU: 2 PID: 2741 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 ce:': [FAIL] not ok 45 selftests<4>[ 100.881781] refcount_t: decrement hit 0; leaking memory. : lkdtm: REFCOUNT_ADD_NOT_ZERO_OV<4>[ 100.890216] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ERFLOW.sh # exit=1 # selftests: <4>[ 100.922190] CPU: 2 PID: 2741 Comm: cat Tainted: G D W 5.10.167-cip25 #1 lkdtm: REFU[N T _1D0E0C.9_3Z014] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ERO.sh <4>[ 100.941536] Backtrace: <4>[ 100.944955] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.952793] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 100.958727] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.966312] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.973543] r9:00000009 r8:c08737d8 r7:0000001f r6:00000009 r5:c08737d8 r4:c1a21b4c <4>[ 100.981559] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.989310] r7:0000001f r6:c1a21b4c r5:c1a21bb0 r4:c62f0000 <4>[ 100.995240] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 101.004467] r9:c1acdb38 r8:c15e88e4 r7:c62f1f60 r6:00000012 r5:c5d4b000 r4:c62f0000 <4>[ 101.012482] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 101.022407] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 101.032418] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.041466] r4:0000002f <4>[ 101.044271] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.052551] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.060739] r9:c62f1f60 r8:c536a540 r7:00000012 r6:b6e4c000 r5:c5b11680 r4:c0c351b8 <4>[ 101.068758] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 101.076856] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e4c000 r5:c5b11680 r4:00000000 <4>[ 101.084868] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.092272] r10:00000004 r9:00000000 r8:00000000 r7:b6e4c000 r6:c62f0000 r5:c5b11680 <4>[ 101.100365] r4:c5b11680 <4>[ 101.103169] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.110574] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f93e00 r5:00000012 r4:00000012 <4>[ 101.118589] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.126425] Exception stack(0xc62f1fa8 to 0xc62f1ff0) <4>[ 101.131746] 1fa0: 00000012 00000012 00000001 b6e4c000 00000012 00000000 <4>[ 101.140191] 1fc0: 00000012 00000012 b6f93e00 00000004 00000001 00000000 00020000 be9b3a64 <4>[ 101.148633] 1fe0: 00000004 be9b3798 b6efe4cf b6e847e6 <4>[ 101.154031] irq event stamp: 0 <4>[ 101.157367] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.163245] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.171057] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.178869] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.184722] ---[ end trace f8640c238fb1c123 ]--- <6>[ 101.189642] lkdtm: Zero detected: saturated # [ 100.840360] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 100.847043] lkdtm: attempting good refcount_dec() # [ 100.854066] lkdtm: attempting bad refcount_dec() to zero # [ 100.862562] ------------[ cut here ]------------ # [ 100.870261] WARNING: CPU: 2 PID: 2741 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 100.881781] refcount_t: decrement hit 0; leaking memory. # [ 100.890216] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.922190] CPU: 2 PID: 2741 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 100.933014] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.941536] Backtrace: # [ 100.944955] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.952793] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 100.958727] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.966312] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.973543] r9:00000009 r8:c08737d8 r7:0000001f r6:00000009 r5:c08737d8 r4:c1a21b4c # [ 100.981559] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.989310] r7:0000001f r6:c1a21b4c r5:c1a21bb0 r4:c62f0000 # [ 100.995240] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 101.004467] r9:c1acdb38 r8:c15e88e4 r7:c62f1f60 r6:00000012 r5:c5d4b000 r4:c62f0000 # [ 101.012482] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 101.022407] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 101.032418] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.041466] r4:0000002f # [ 101.044271] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.052551] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.060739] r9:c62f1f60 r8:c536a540 r7:00000012 r6:b6e4c000 r5:c5b11680 r4:c0c351b8 # [ 101.068758] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.076856] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e4c000 r5:c5b11680 r4:00000000 # [ 101.084868] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.092272] r10:00000004 r9:00000000 r8:00000000 r7:b6e4c000 r6:c62f0000 r5:c5b11680 # [ 101.100365] r4:c5b11680 # [ 101.103169] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.110574] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f93e00 r5:00000012 r4:00000012 # [ 101.118589] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.126425] Exception stack(0xc62f1fa8 to 0xc62f1ff0) # [ 101.131746] 1fa0: 00000012 00000012 00000001 b6e4c000 00000012 00000000 # [ 101.140191] 1fc0: 00000012 00000012 b6f93e00 00000004 00000001 00000000 00020000 be9b3a64 # [ 101.148633] 1fe0: 00000004 be9b3798 b6efe4cf b6e847e6 # [ 101.154031] irq event stamp: 0 # [ 101.157367] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.163245] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.171057] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.178869] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.184722] ---[ end trace f8640c238fb1c123 ]--- # [ 101.189642] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 101.629695] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 101.635983] lkdtm: attempting bad refcount_dec() below zero <4>[ 101.641965] ------------[ cut here ]------------ <4>[ 101.646907] WARNING: CPU: 3 PID: 2778 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 101.655679] refcount_t: decrement hit 0; leaking memory. <4>[ 101.661417] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 101.691109] CPU: 3 PID: 2778 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 101.699121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.705913] Backtrace: <4>[ 101.708648] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.716489] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 101.722422] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.730005] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.737237] r9:00000009 r8:c08737d8 r7:0000001f r6:00000009 r5:c08737d8 r4:c1a21b4c <4>[ 101.745252] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.753002] r7:0000001f r6:c1a21b4c r5:c1a21bb0 r4:c5ae8000 <4>[ 101.758933] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 101.768161] r9:c1acdb4c r8:c15e88e4 r7:c5ae9f60 r6:00000016 r5:00000000 r4:c5ae8000 <4>[ 101.776175] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 101.786100] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 101.796460] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.805857] r5:c5de1000 r4:00000030 <4>[ 101.809702] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.817980] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.826166] r9:c5ae9f60 r8:c536a540 r7:00000016 r6:b6e6e000 r5:c5a03680 r4:c0c351b8 <4>[ 101.834184] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 101.842285] r9:c07e1310 r8:c5ae9f60 r7:c2815800 r6:b6e6e000 r5:c5a03680 r4:00000000 <4>[ 101.850298] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.857701] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5ae8000 r5:c5a03680 <4>[ 101.865794] r4:c5a03680 <4>[ 101.868599] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.876003] r9:c5ae8000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000016 r4:00000016 <4>[ 101.884018] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.891854] Exception stack(0xc5ae9fa8 to 0xc5ae9ff0) <4>[ 101.897175] 9fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000000 <4>[ 101.905622] 9fc0: 00000016 00000016 b6fb5e00 00000004 00000001 00000000 00020000 beb5ca64 <4>[ 101.914066] 9fe0: 00000004 beb5c798 b6f204cf b6ea67e6 <4>[ 101.919448] irq event stamp: 0 <4>[ 101.922783] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.928658] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.936424] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.944228] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.950104] ---[ end trace f8640c238fb1c124 ]--- <6>[ 101.955000] lkdtm: Negative detected: saturated # [ 101.629695] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 101.635983] lkdtm: attempting bad refcount_dec() below zero # [ 101.641965] ------------[ cut here ]------------ # [ 101.646907] WARNING: CPU: 3 PID: 2778 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 101.655679] refcount_t: decrement hit 0; leaking memory. # [ 101.661417] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.691109] CPU: 3 PID: 2778 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 101.699121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.705913] Backtrace: # [ 101.708648] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.716489] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 101.722422] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.730005] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.737237] r9:00000009 r8:c08737d8 r7:0000001f r6:00000009 r5:c08737d8 r4:c1a21b4c # [ 101.745252] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.753002] r7:0000001f r6:c1a21b4c r5:c1a21bb0 r4:c5ae8000 # [ 101.758933] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 101.768161] r9:c1acdb4c r8:c15e88e4 r7:c5ae9f60 r6:00000016 r5:00000000 r4:c5ae8000 # [ 101.776175] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 101.786100] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 101.796460] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.805857] r5:c5de1000 r4:00000030 # [ 101.809702] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.817980] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.826166] r9:c5ae9f60 r8:c536a540 r7:00000016 r6:b6e6e000 r5:c5a03680 r4:c0c351b8 # [ 101.834184] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.842285] r9:c07e1310 r8:c5ae9f60 r7:c2815800 r6:b6e6e000 r5:c5a03680 r4:00000000 # [ 101.850298] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.857701] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5ae8000 r5:c5a03680 # [ 101.865794] r4:c5a03680 # [ 101.868599] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.876003] r9:c5ae8000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000016 r4:00000016 # [ 101.884018] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.891854] Exception stack(0xc5ae9fa8 to 0xc5ae9ff0) # [ 101.897175] 9fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000000 # [ 101.905622] 9fc0: 00000016 00000016 b6fb5e00 00000004 00000001 00000000 00020000 beb5ca64 # [ 101.914066] 9fe0: 00000004 beb5c798 b6f204cf b6ea67e6 # [ 101.919448] irq event stamp: 0 # [ 101.922783] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.928658] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.936424] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.944228] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.950104] ---[ end trace f8640c238fb1c124 ]--- # [ 101.955000] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh <6>[ 102.389737] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 102.396807] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 102.403601] ------------[ cut here ]------------ <4>[ 102.408576] WARNING: CPU: 0 PID: 2813 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 102.417375] refcount_t: underflow; use-after-free. <4>[ 102.422587] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 102.452297] CPU: 0 PID: 2813 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 102.460309] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.467101] Backtrace: <4>[ 102.469837] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.477676] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 102.483609] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.491193] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 102.498423] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c <4>[ 102.506438] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.514190] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c5818000 <4>[ 102.520121] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 102.529435] r9:c1acdb64 r8:c15e88e4 r7:c5819f60 r6:0000001f r5:00000000 r4:c5818000 <4>[ 102.537453] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 102.548161] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 102.560083] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.570262] r5:c5f53000 r4:00000031 <4>[ 102.574109] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.582388] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.590573] r9:c5819f60 r8:c536a540 r7:0000001f r6:b6e91000 r5:c599fb80 r4:c0c351b8 <4>[ 102.598590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 102.606689] r9:c07e1310 r8:c5819f60 r7:c2815800 r6:b6e91000 r5:c599fb80 r4:00000000 <4>[ 102.614701] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.622105] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c5818000 r5:c599fb80 <4>[ 102.630198] r4:c599fb80 <4>[ 102.633001] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.640406] r9:c5818000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000001f r4:0000001f <4>[ 102.648420] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.656255] Exception stack(0xc5819fa8 to 0xc5819ff0) <4>[ 102.661576] 9fa0: 0000001f 0000001f 00000001 b6e91000 0000001f 00000000 <4>[ 102.670021] 9fc0: 0000001f 0000001f b6fd8e00 00000004 00000001 00000000 00020000 bec86a64 <4>[ 102.678465] 9fe0: 00000004 bec86798 b6f434cf b6ec97e6 <4>[ 102.683860] irq event stamp: 0 <4>[ 102.687195] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.693079] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 102.700889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 102.708686] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.714534] ---[ end trace f8640c238fb1c125 ]--- <6>[ 102.719451] lkdtm: Negative detected: saturated # [ 102.389737] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 102.396807] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 102.403601] ------------[ cut here ]------------ # [ 102.408576] WARNING: CPU: 0 PID: 2813 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 102.417375] refcount_t: underflow; use-after-free. # [ 102.422587] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.452297] CPU: 0 PID: 2813 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 102.460309] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.467101] Backtrace: # [ 102.469837] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.477676] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 102.483609] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.491193] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.498423] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c # [ 102.506438] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.514190] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c5818000 # [ 102.520121] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 102.529435] r9:c1acdb64 r8:c15e88e4 r7:c5819f60 r6:0000001f r5:00000000 r4:c5818000 # [ 102.537453] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 102.548161] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 102.560083] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.570262] r5:c5f53000 r4:00000031 # [ 102.574109] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.582388] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.590573] r9:c5819f60 r8:c536a540 r7:0000001f r6:b6e91000 r5:c599fb80 r4:c0c351b8 # [ 102.598590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.606689] r9:c07e1310 r8:c5819f60 r7:c2815800 r6:b6e91000 r5:c599fb80 r4:00000000 # [ 102.614701] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.622105] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c5818000 r5:c599fb80 # [ 102.630198] r4:c599fb80 # [ 102.633001] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.640406] r9:c5818000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000001f r4:0000001f # [ 102.648420] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.656255] Exception stack(0xc5819fa8 to 0xc5819ff0) # [ 102.661576] 9fa0: 0000001f 0000001f 00000001 b6e91000 0000001f 00000000 # [ 102.670021] 9fc0: 0000001f 0000001f b6fd8e00 00000004 00000001 00000000 00020000 bec86a64 # [ 102.678465] 9fe0: 00000004 bec86798 b6f434cf b6ec97e6 # [ 102.683860] irq event stamp: 0 # [ 102.687195] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.693079] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.700889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.708686] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.714534] ---[ end trace f8640c238fb1c125 ]--- # [ 102.719451] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftes<6>[ 103.158901] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ts: lkdtm: REFCOUNT_SUB<_6A>N[D _103.166675] lkdtm: attempting bad refcount_sub_and_test() below zero TEST_NEGATIVE.sh <4>[ 103.175694] ------------[ cut here ]------------ <4>[ 103.182268] WARNING: CPU: 3 PID: 2848 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 103.191115] refcount_t: underflow; use-after-free. <4>[ 103.196176] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 103.225592] CPU: 3 PID: 2848 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 103.233603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 103.240397] Backtrace: <4>[ 103.243134] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 103.250973] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 103.256907] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 103.264490] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 103.271722] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c <4>[ 103.279735] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 103.287484] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c6350000 <4>[ 103.293417] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 103.302733] r9:c1acdb84 r8:c15e88e4 r7:c6351f60 r6:0000001f r5:c5de5000 r4:c6350000 <4>[ 103.310750] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 103.321460] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 103.333380] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 103.343558] r4:00000032 <4>[ 103.346361] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 103.354639] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 103.362826] r9:c6351f60 r8:c536a540 r7:0000001f r6:b6e9f000 r5:c5a02c80 r4:c0c351b8 <4>[ 103.370843] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 103.378942] r9:c07e1310 r8:c6351f60 r7:c2815800 r6:b6e9f000 r5:c5a02c80 r4:00000000 <4>[ 103.386954] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 103.394358] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c6350000 r5:c5a02c80 <4>[ 103.402451] r4:c5a02c80 <4>[ 103.405255] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 103.412660] r9:c6350000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f <4>[ 103.420675] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.428511] Exception stack(0xc6351fa8 to 0xc6351ff0) <4>[ 103.433831] 1fa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 <4>[ 103.442278] 1fc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 be8caa64 <4>[ 103.450721] 1fe0: 00000004 be8ca798 b6f514cf b6ed77e6 <4>[ 103.456106] irq event stamp: 0 <4>[ 103.459460] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 103.465309] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.473103] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.480908] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 103.486761] ---[ end trace f8640c238fb1c126 ]--- <6>[ 103.491688] lkdtm: Negative detected: saturated # [ 103.158901] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 103.166675] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 103.175694] ------------[ cut here ]------------ # [ 103.182268] WARNING: CPU: 3 PID: 2848 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 103.191115] refcount_t: underflow; use-after-free. # [ 103.196176] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 103.225592] CPU: 3 PID: 2848 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 103.233603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.240397] Backtrace: # [ 103.243134] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.250973] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 103.256907] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.264490] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 103.271722] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c # [ 103.279735] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 103.287484] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c6350000 # [ 103.293417] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 103.302733] r9:c1acdb84 r8:c15e88e4 r7:c6351f60 r6:0000001f r5:c5de5000 r4:c6350000 # [ 103.310750] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 103.321460] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 103.333380] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.343558] r4:00000032 # [ 103.346361] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.354639] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.362826] r9:c6351f60 r8:c536a540 r7:0000001f r6:b6e9f000 r5:c5a02c80 r4:c0c351b8 # [ 103.370843] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.378942] r9:c07e1310 r8:c6351f60 r7:c2815800 r6:b6e9f000 r5:c5a02c80 r4:00000000 # [ 103.386954] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.394358] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c6350000 r5:c5a02c80 # [ 103.402451] r4:c5a02c80 # [ 103.405255] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.412660] r9:c6350000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f # [ 103.420675] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.428511] Exception stack(0xc6351fa8 to 0xc6351ff0) # [ 103.433831] 1fa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 # [ 103.442278] 1fc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 be8caa64 # [ 103.450721] 1fe0: 00000004 be8ca798 b6f514cf b6ed77e6 # [ 103.456106] irq event stamp: 0 # [ 103.459460] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.465309] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.473103] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.480908] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.486761] ---[ end trace f8640c238fb1c126 ]--- # [ 103.491688] lkdtm: Negative detected: saturated # REFCOUNT_<6>[ 103.916168] lkdtm: Performing direct entry REFCOUNT_INC_ZERO SUB_AND_TEST_NEGATIVE: saw 'Negat<6>[ 103.923922] lkdtm: attempting safe refcount_inc_not_zero() from zero ive detected: saturated': ok ok <6>[ 103.933299] lkdtm: Good: zero detected 49 selftests: lkdtm: REFCOUNT_SUB<6>[ 103.940266] lkdtm: Correctly stayed at zero _AND_TEST_NEGATIVE.sh # selftest<6>[ 103.947453] lkdtm: attempting bad refcount_inc() from zero s: lkdtm: REFCOUNT_INC_ZERO.sh <4>[ 103.956078] ------------[ cut here ]------------ <4>[ 103.963747] WARNING: CPU: 1 PID: 2880 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 103.972569] refcount_t: addition on 0; use-after-free. <4>[ 103.978015] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 104.007423] CPU: 1 PID: 2880 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 104.015435] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.022228] Backtrace: <4>[ 104.024963] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.032802] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 104.038733] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.046316] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.053547] r9:00000009 r8:c0873874 r7:00000019 r6:00000009 r5:c0873874 r4:c1a21b4c <4>[ 104.061563] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.069313] r7:00000019 r6:c1a21b4c r5:c1a21b5c r4:c6382000 <4>[ 104.075243] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 104.084560] r9:c1acdba4 r8:c15e88e4 r7:c6383f60 r6:00000012 r5:00000000 r4:c6382000 <4>[ 104.092576] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 104.102504] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 104.112516] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 104.121565] r5:c5aa7000 r4:00000033 <4>[ 104.125410] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 104.133691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 104.141878] r9:c6383f60 r8:c536a540 r7:00000012 r6:b6dfc000 r5:c5b0fe00 r4:c0c351b8 <4>[ 104.149895] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 104.157993] r9:c07e1310 r8:c6383f60 r7:c2815800 r6:b6dfc000 r5:c5b0fe00 r4:00000000 <4>[ 104.166005] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 104.173409] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c6382000 r5:c5b0fe00 <4>[ 104.181502] r4:c5b0fe00 <4>[ 104.184306] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 104.191709] r9:c6382000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000012 r4:00000012 <4>[ 104.199723] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 104.207557] Exception stack(0xc6383fa8 to 0xc6383ff0) <4>[ 104.212878] 3fa0: 00000012 00000012 00000001 b6dfc000 00000012 00000000 <4>[ 104.221323] 3fc0: 00000012 00000012 b6f43e00 00000004 00000001 00000000 00020000 beb49a64 <4>[ 104.229767] 3fe0: 00000004 beb49798 b6eae4cf b6e347e6 <4>[ 104.235143] irq event stamp: 0 <4>[ 104.238516] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 104.244366] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 104.252173] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 104.259998] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 104.265855] ---[ end trace f8640c238fb1c127 ]--- <6>[ 104.270781] lkdtm: Zero detected: saturated # [ 103.916168] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 103.923922] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 103.933299] lkdtm: Good: zero detected # [ 103.940266] lkdtm: Correctly stayed at zero # [ 103.947453] lkdtm: attempting bad refcount_inc() from zero # [ 103.956078] ------------[ cut here ]------------ # [ 103.963747] WARNING: CPU: 1 PID: 2880 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 103.972569] refcount_t: addition on 0; use-after-free. # [ 103.978015] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.007423] CPU: 1 PID: 2880 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 104.015435] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.022228] Backtrace: # [ 104.024963] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.032802] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 104.038733] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.046316] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.053547] r9:00000009 r8:c0873874 r7:00000019 r6:00000009 r5:c0873874 r4:c1a21b4c # [ 104.061563] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.069313] r7:00000019 r6:c1a21b4c r5:c1a21b5c r4:c6382000 # [ 104.075243] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 104.084560] r9:c1acdba4 r8:c15e88e4 r7:c6383f60 r6:00000012 r5:00000000 r4:c6382000 # [ 104.092576] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 104.102504] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 104.112516] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.121565] r5:c5aa7000 r4:00000033 # [ 104.125410] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.133691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.141878] r9:c6383f60 r8:c536a540 r7:00000012 r6:b6dfc000 r5:c5b0fe00 r4:c0c351b8 # [ 104.149895] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.157993] r9:c07e1310 r8:c6383f60 r7:c2815800 r6:b6dfc000 r5:c5b0fe00 r4:00000000 # [ 104.166005] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.173409] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c6382000 r5:c5b0fe00 # [ 104.181502] r4:c5b0fe00 # [ 104.184306] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.191709] r9:c6382000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000012 r4:00000012 # [ 104.199723] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.207557] Exception stack(0xc6383fa8 to 0xc6383ff0) # [ 104.212878] 3fa0: 00000012 00000012 00000001 b6dfc000 00000012 00000000 # [ 104.221323] 3fc0: 00000012 00000012 b6f43e00 00000004 00000001 00000000 00020000 beb49a64 # [ 104.229767] 3fe0: 00000004 beb49798 b6eae4cf b6e347e6 # [ 104.235143] irq event stamp: 0 # [ 104.238516] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.244366] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.252173] softirqs last enabled at (0): [] copy_<6>[ 104.687405] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO process+0x5f8/0x1974 # [ 104.25<6>[ 104.694187] lkdtm: attempting safe refcount_add_not_zero() from zero 9998] softirqs last disabled at (<6>[ 104.703719] lkdtm: Good: zero detected 0): [<00000000>] 0x0 # [ 104.26<6>[ 104.710635] lkdtm: Correctly stayed at zero 5855] ---[ end trace f8640c238fb1<6>[ 104.718932] lkdtm: attempting bad refcount_add() from zero c127 ]--- # [ 104.270781] lkdtm<4>[ 104.726583] ------------[ cut here ]------------ : Zero detected: saturated # REF<4>[ 104.734355] WARNING: CPU: 0 PID: 2914 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 COUNT_INC_ZERO: missing 'call tra<4>[ 104.746020] refcount_t: addition on 0; use-after-free. ce:': [FAIL] not ok 50 selftests<4>[ 104.754309] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 : lkdtm: REFCOUNT_INC_ZERO.sh # e<4>[ 104.786299] CPU: 0 PID: 2914 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 104.797121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.803913] Backtrace: <4>[ 104.806648] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.814487] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 104.820420] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.828004] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.835236] r9:00000009 r8:c0873874 r7:00000019 r6:00000009 r5:c0873874 r4:c1a21b4c <4>[ 104.843249] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.851001] r7:00000019 r6:c1a21b4c r5:c1a21b5c r4:c66ae000 <4>[ 104.856931] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 104.866245] r9:c1acdbb8 r8:c15e88e4 r7:c66aff60 r6:00000012 r5:00000000 r4:c66ae000 <4>[ 104.874261] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 104.884188] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 104.894199] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 104.903250] r5:c5d6e000 r4:00000034 <4>[ 104.907096] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 104.915375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 104.923560] r9:c66aff60 r8:c536a540 r7:00000012 r6:b6e53000 r5:c59e5b80 r4:c0c351b8 <4>[ 104.931577] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 104.939676] r9:c07e1310 r8:c66aff60 r7:c2815800 r6:b6e53000 r5:c59e5b80 r4:00000000 <4>[ 104.947688] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 104.955092] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c66ae000 r5:c59e5b80 <4>[ 104.963187] r4:c59e5b80 <4>[ 104.965991] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 104.973396] r9:c66ae000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012 <4>[ 104.981411] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 104.989245] Exception stack(0xc66affa8 to 0xc66afff0) <4>[ 104.994567] ffa0: 00000012 00000012 00000001 b6e53000 00000012 00000000 <4>[ 105.003012] ffc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 bec8ea64 <4>[ 105.011455] ffe0: 00000004 bec8e798 b6f054cf b6e8b7e6 xit=1 # selftests: lkdtm: REFCOU<4>[ 105.016838] irq event stamp: 0 NT_ADD_ZERO.sh <4>[ 105.023048] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.030273] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.038059] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.045815] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 105.051686] ---[ end trace f8640c238fb1c128 ]--- <6>[ 105.056577] lkdtm: Zero detected: saturated # [ 104.687405] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 104.694187] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 104.703719] lkdtm: Good: zero detected # [ 104.710635] lkdtm: Correctly stayed at zero # [ 104.718932] lkdtm: attempting bad refcount_add() from zero # [ 104.726583] ------------[ cut here ]------------ # [ 104.734355] WARNING: CPU: 0 PID: 2914 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 104.746020] refcount_t: addition on 0; use-after-free. # [ 104.754309] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.786299] CPU: 0 PID: 2914 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 104.797121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.803913] Backtrace: # [ 104.806648] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.814487] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 104.820420] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.828004] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.835236] r9:00000009 r8:c0873874 r7:00000019 r6:00000009 r5:c0873874 r4:c1a21b4c # [ 104.843249] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.851001] r7:00000019 r6:c1a21b4c r5:c1a21b5c r4:c66ae000 # [ 104.856931] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 104.866245] r9:c1acdbb8 r8:c15e88e4 r7:c66aff60 r6:00000012 r5:00000000 r4:c66ae000 # [ 104.874261] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 104.884188] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 104.894199] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.903250] r5:c5d6e000 r4:00000034 # [ 104.907096] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.915375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.923560] r9:c66aff60 r8:c536a540 r7:00000012 r6:b6e53000 r5:c59e5b80 r4:c0c351b8 # [ 104.931577] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.939676] r9:c07e1310 r8:c66aff60 r7:c2815800 r6:b6e53000 r5:c59e5b80 r4:00000000 # [ 104.947688] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.955092] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c66ae000 r5:c59e5b80 # [ 104.963187] r4:c59e5b80 # [ 104.965991] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.973396] r9:c66ae000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012 # [ 104.981411] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.989245] Exception stack(0xc66affa8 to 0xc66afff0) # [ 104.994567] ffa0: 00000012 00000012 00000001 b6e53000 00000012 00000000 # [ 105.003012] ffc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 bec8ea64 # [ 105.011455] ffe0: 00000004 bec8e798 b6f054cf b6e8b7e6 # [ 105.016838] irq event stamp: 0 # [ 105.023048] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.030273] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.038059] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.045815] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.051686] ---[ end trace f8640c238fb1c128 ]--- # [ 105.056577] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh #<6>[ 105.500943] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED exit=1 # selftests: lkdtm: REFC<6>[ 105.509150] lkdtm: attempting bad refcount_inc() from saturated OUNT_INC_SATURATED.sh <4>[ 105.518184] ------------[ cut here ]------------ <4>[ 105.528779] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 105.537498] refcount_t: saturated; leaking memory. <4>[ 105.543649] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 105.573125] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 105.581142] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.587937] Backtrace: <4>[ 105.590683] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.598527] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 105.604465] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.612057] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 105.619291] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c <4>[ 105.627311] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 105.635063] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62f0000 <4>[ 105.641001] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 105.650232] r9:c1acdbcc r8:c15e88e4 r7:c62f1f60 r6:00000017 r5:c64a0000 r4:c62f0000 <4>[ 105.658254] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 105.668187] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 105.678637] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.688123] r4:00000035 <4>[ 105.690931] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.699215] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.707405] r9:c62f1f60 r8:c536a540 r7:00000017 r6:b6e92000 r5:c63a2b40 r4:c0c351b8 <4>[ 105.715430] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 105.723535] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e92000 r5:c63a2b40 r4:00000000 <4>[ 105.731551] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.738959] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c62f0000 r5:c63a2b40 <4>[ 105.747055] r4:c63a2b40 <4>[ 105.749863] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.757271] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6fd9e00 r5:00000017 r4:00000017 <4>[ 105.765292] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.773130] Exception stack(0xc62f1fa8 to 0xc62f1ff0) <4>[ 105.778455] 1fa0: 00000017 00000017 00000001 b6e92000 00000017 00000000 <4>[ 105.786905] 1fc0: 00000017 00000017 b6fd9e00 00000004 00000001 00000000 00020000 be803a64 <4>[ 105.795350] 1fe0: 00000004 be803798 b6f444cf b6eca7e6 <4>[ 105.800709] irq event stamp: 0 <4>[ 105.804047] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.809942] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.817735] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.825495] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 105.831375] ---[ end trace f8640c238fb1c129 ]--- <6>[ 105.836269] lkdtm: Saturation detected: still saturated # [ 105.500943] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 105.509150] lkdtm: attempting bad refcount_inc() from saturated # [ 105.518184] ------------[ cut here ]------------ # [ 105.528779] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 105.537498] refcount_t: saturated; leaking memory. # [ 105.543649] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.573125] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 105.581142] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.587937] Backtrace: # [ 105.590683] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.598527] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 105.604465] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.612057] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 105.619291] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c # [ 105.627311] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.635063] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62f0000 # [ 105.641001] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 105.650232] r9:c1acdbcc r8:c15e88e4 r7:c62f1f60 r6:00000017 r5:c64a0000 r4:c62f0000 # [ 105.658254] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 105.668187] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 105.678637] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.688123] r4:00000035 # [ 105.690931] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.699215] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.707405] r9:c62f1f60 r8:c536a540 r7:00000017 r6:b6e92000 r5:c63a2b40 r4:c0c351b8 # [ 105.715430] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.723535] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6e92000 r5:c63a2b40 r4:00000000 # [ 105.731551] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.738959] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c62f0000 r5:c63a2b40 # [ 105.747055] r4:c63a2b40 # [ 105.749863] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.757271] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6fd9e00 r5:00000017 r4:00000017 # [ 105.765292] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.773130] Exception stack(0xc62f1fa8 to 0xc62f1ff0) # [ 105.778455] 1fa0: 00000017 00000017 00000001 b6e92000 00000017 00000000 # [ 105.786905] 1fc0: 00000017 00000017 b6fd9e00 00000004 00000001 00000000 00020000 be803a64 # [ 105.795350] 1fe0: 00000004 be803798 b6f444cf b6eca7e6 # [ 105.800709] irq event stamp: 0 # [ 105.804047] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.809942] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.817735] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.825495] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.831375] ---[ end trace f8640c238fb1c129 ]--- # [ 105.836269] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh <6>[ 106.304088] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 106.310564] lkdtm: attempting bad refcount_dec() from saturated <4>[ 106.316756] ------------[ cut here ]------------ <4>[ 106.321787] WARNING: CPU: 3 PID: 2986 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 106.330568] refcount_t: decrement hit 0; leaking memory. <4>[ 106.336156] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 106.365714] CPU: 3 PID: 2986 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 106.373738] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 106.380531] Backtrace: <4>[ 106.383267] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 106.391108] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 106.397040] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 106.404624] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 106.411856] r9:00000009 r8:c08737d8 r7:0000001f r6:00000009 r5:c08737d8 r4:c1a21b4c <4>[ 106.419870] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 106.427621] r7:0000001f r6:c1a21b4c r5:c1a21bb0 r4:c63a6000 <4>[ 106.433553] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 106.442780] r9:c1acdbe4 r8:c15e88e4 r7:c63a7f60 r6:00000017 r5:c5de5000 r4:c63a6000 <4>[ 106.450796] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 106.460721] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 106.471167] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 106.480651] r4:00000036 <4>[ 106.483455] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 106.491736] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 106.499922] r9:c63a7f60 r8:c536a540 r7:00000017 r6:b6e58000 r5:c5b28dc0 r4:c0c351b8 <4>[ 106.507940] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 106.516039] r9:c07e1310 r8:c63a7f60 r7:c2815800 r6:b6e58000 r5:c5b28dc0 r4:00000000 <4>[ 106.524051] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 106.531456] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c63a6000 r5:c5b28dc0 <4>[ 106.539551] r4:c5b28dc0 <4>[ 106.542355] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 106.549761] r9:c63a6000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000017 r4:00000017 <4>[ 106.557775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 106.565609] Exception stack(0xc63a7fa8 to 0xc63a7ff0) <4>[ 106.570929] 7fa0: 00000017 00000017 00000001 b6e58000 00000017 00000000 <4>[ 106.579377] 7fc0: 00000017 00000017 b6f9fe00 00000004 00000001 00000000 00020000 bed19a64 <4>[ 106.587821] 7fe0: 00000004 bed19798 b6f0a4cf b6e907e6 <4>[ 106.593195] irq event stamp: 0 <4>[ 106.596529] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 106.602408] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 106.610221] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 106.618043] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.623895] ---[ end trace f8640c238fb1c12a ]--- <6>[ 106.628835] lkdtm: Saturation detected: still saturated # [ 106.304088] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 106.310564] lkdtm: attempting bad refcount_dec() from saturated # [ 106.316756] ------------[ cut here ]------------ # [ 106.321787] WARNING: CPU: 3 PID: 2986 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 106.330568] refcount_t: decrement hit 0; leaking memory. # [ 106.336156] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 106.365714] CPU: 3 PID: 2986 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 106.373738] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.380531] Backtrace: # [ 106.383267] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.391108] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 106.397040] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.404624] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 106.411856] r9:00000009 r8:c08737d8 r7:0000001f r6:00000009 r5:c08737d8 r4:c1a21b4c # [ 106.419870] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 106.427621] r7:0000001f r6:c1a21b4c r5:c1a21bb0 r4:c63a6000 # [ 106.433553] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 106.442780] r9:c1acdbe4 r8:c15e88e4 r7:c63a7f60 r6:00000017 r5:c5de5000 r4:c63a6000 # [ 106.450796] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 106.460721] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 106.471167] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.480651] r4:00000036 # [ 106.483455] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.491736] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.499922] r9:c63a7f60 r8:c536a540 r7:00000017 r6:b6e58000 r5:c5b28dc0 r4:c0c351b8 # [ 106.507940] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.516039] r9:c07e1310 r8:c63a7f60 r7:c2815800 r6:b6e58000 r5:c5b28dc0 r4:00000000 # [ 106.524051] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.531456] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c63a6000 r5:c5b28dc0 # [ 106.539551] r4:c5b28dc0 # [ 106.542355] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.549761] r9:c63a6000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000017 r4:00000017 # [ 106.557775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.565609] Exception stack(0xc63a7fa8 to 0xc63a7ff0) # [ 106.570929] 7fa0: 00000017 00000017 00000001 b6e58000 00000017 00000000 # [ 106.579377] 7fc0: 00000017 00000017 b6f9fe00 00000004 00000001 00000000 00020000 bed19a64 # [ 106.587821] 7fe0: 00000004 bed19798 b6f0a4cf b6e907e6 # [ 106.593195] irq event stamp: 0 # [ 106.596529] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 106.602408] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 106.610221] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 106.618043] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.623895] ---[ end trace f8640c238fb1c12a ]--- # [ 106.628835] 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 <6>[ 107.074731] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 107.081233] lkdtm: attempting bad refcount_dec() from saturated <4>[ 107.087458] ------------[ cut here ]------------ <4>[ 107.092404] WARNING: CPU: 3 PID: 3021 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 107.101188] refcount_t: saturated; leaking memory. <4>[ 107.106255] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 107.135740] CPU: 3 PID: 3021 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 107.143755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.150552] Backtrace: <4>[ 107.153296] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.161140] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 107.167078] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.174666] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 107.181902] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c <4>[ 107.189923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 107.197677] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62ba000 <4>[ 107.203613] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 107.212844] r9:c1acdbfc r8:c15e88e4 r7:c62bbf60 r6:00000017 r5:c5de5000 r4:c62ba000 <4>[ 107.220867] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 107.230800] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 107.241250] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 107.250735] r4:00000037 <4>[ 107.253542] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 107.261826] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 107.270016] r9:c62bbf60 r8:c536a540 r7:00000017 r6:b6e86000 r5:c58052c0 r4:c0c351b8 <4>[ 107.278040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 107.286144] r9:c07e1310 r8:c62bbf60 r7:c2815800 r6:b6e86000 r5:c58052c0 r4:00000000 <4>[ 107.294159] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 107.301568] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c62ba000 r5:c58052c0 <4>[ 107.309664] r4:c58052c0 <4>[ 107.312473] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 107.319882] r9:c62ba000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000017 r4:00000017 <4>[ 107.327901] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 107.335740] Exception stack(0xc62bbfa8 to 0xc62bbff0) <4>[ 107.341064] bfa0: 00000017 00000017 00000001 b6e86000 00000017 00000000 <4>[ 107.349514] bfc0: 00000017 00000017 b6fcde00 00000004 00000001 00000000 00020000 bea47a64 <4>[ 107.357959] bfe0: 00000004 bea47798 b6f384cf b6ebe7e6 <4>[ 107.363370] irq event stamp: 0 <4>[ 107.366711] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 107.372600] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 107.380427] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 107.388266] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 107.394121] ---[ end trace f8640c238fb1c12b ]--- <6>[ 107.399048] lkdtm: Saturation detected: still saturated # [ 107.074731] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 107.081233] lkdtm: attempting bad refcount_dec() from saturated # [ 107.087458] ------------[ cut here ]------------ # [ 107.092404] WARNING: CPU: 3 PID: 3021 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 107.101188] refcount_t: saturated; leaking memory. # [ 107.106255] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 107.135740] CPU: 3 PID: 3021 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 107.143755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.150552] Backtrace: # [ 107.153296] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.161140] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 107.167078] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.174666] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 107.181902] r9:00000009 r8:c0873840 r7:00000016 r6:00000009 r5:c0873840 r4:c1a21b4c # [ 107.189923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 107.197677] r7:00000016 r6:c1a21b4c r5:c1a21b24 r4:c62ba000 # [ 107.203613] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 107.212844] r9:c1acdbfc r8:c15e88e4 r7:c62bbf60 r6:00000017 r5:c5de5000 r4:c62ba000 # [ 107.220867] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 107.230800] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 107.241250] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.250735] r4:00000037 # [ 107.253542] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.261826] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.270016] r9:c62bbf60 r8:c536a540 r7:00000017 r6:b6e86000 r5:c58052c0 r4:c0c351b8 # [ 107.278040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.286144] r9:c07e1310 r8:c62bbf60 r7:c2815800 r6:b6e86000 r5:c58052c0 r4:00000000 # [ 107.294159] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.301568] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c62ba000 r5:c58052c0 # [ 107.309664] r4:c58052c0 # [ 107.312473] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.319882] r9:c62ba000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000017 r4:00000017 # [ 107.327901] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.335740] Exception stack(0xc62bbfa8 to 0xc62bbff0) # [ 107.341064] bfa0: 00000017 00000017 00000001 b6e86000 00000017 00000000 # [ 107.349514] bfc0: 00000017 00000017 b6fcde00 00000004 00000001 00000000 00020000 bea47a64 # [ 107.357959] bfe0: 00000004 bea47798 b6f384cf b6ebe7e6 # [ 107.363370] irq event stamp: 0 # [ 107.366711] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 107.372600] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 107.380427] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 107.388266] softirqs last disabled at (0): [<00000000>] 0x0 # [ 107.394121] ---[ end trace f8640c238fb1c12b ]--- # [ 107.399048] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh <6>[ 107.843201] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 107.852218] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 107.859258] ------------[ cut here ]------------ <4>[ 107.864168] WARNING: CPU: 3 PID: 3053 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 107.872950] refcount_t: saturated; leaking memory. <4>[ 107.878053] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 107.907536] CPU: 3 PID: 3053 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 107.915551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.922348] Backtrace: <4>[ 107.925092] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.932937] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 107.938874] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.946466] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 107.953702] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c <4>[ 107.961723] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 107.969477] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c6378000 <4>[ 107.975411] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 107.984642] r9:c1acdc14 r8:c15e88e4 r7:c6379f60 r6:00000020 r5:c5de5000 r4:c0000000 <4>[ 107.992664] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 108.003376] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 108.015380] r5:c5de5000 r4:c6378000 <4>[ 108.019235] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 108.029502] r4:00000038 <4>[ 108.032310] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 108.040593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 108.048783] r9:c6379f60 r8:c536a540 r7:00000020 r6:b6e57000 r5:c5805cc0 r4:c0c351b8 <4>[ 108.056806] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 108.064908] r9:c07e1310 r8:c6379f60 r7:c2815800 r6:b6e57000 r5:c5805cc0 r4:00000000 <4>[ 108.072925] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 108.080334] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6378000 r5:c5805cc0 <4>[ 108.088432] r4:c5805cc0 <4>[ 108.091240] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 108.098651] r9:c6378000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000020 r4:00000020 <4>[ 108.106671] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 108.114509] Exception stack(0xc6379fa8 to 0xc6379ff0) <4>[ 108.119834] 9fa0: 00000020 00000020 00000001 b6e57000 00000020 00000000 <4>[ 108.128284] 9fc0: 00000020 00000020 b6f9ee00 00000004 00000001 00000000 00020000 be9d6a64 <4>[ 108.136731] 9fe0: 00000004 be9d6798 b6f094cf b6e8f7e6 <4>[ 108.142141] irq event stamp: 0 <4>[ 108.145481] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 108.151369] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 108.159179] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 108.166950] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 108.172841] ---[ end trace f8640c238fb1c12c ]--- <6>[ 108.177778] lkdtm: Saturation detected: still saturated # [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 # [ 0.000000] Switching to timer-based delay loop, resolution 333ns # [ 107.843201] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 107.852218] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 107.859258] ------------[ cut here ]------------ # [ 107.864168] WARNING: CPU: 3 PID: 3053 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 107.872950] refcount_t: saturated; leaking memory. # [ 107.878053] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 107.907536] CPU: 3 PID: 3053 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 107.915551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.922348] Backtrace: # [ 107.925092] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.932937] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 107.938874] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.946466] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 107.953702] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c # [ 107.961723] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 107.969477] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c6378000 # [ 107.975411] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 107.984642] r9:c1acdc14 r8:c15e88e4 r7:c6379f60 r6:00000020 r5:c5de5000 r4:c0000000 # [ 107.992664] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 108.003376] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 108.015380] r5:c5de5000 r4:c6378000 # [ 108.019235] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.029502] r4:00000038 # [ 108.032310] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.040593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.048783] r9:c6379f60 r8:c536a540 r7:00000020 r6:b6e57000 r5:c5805cc0 r4:c0c351b8 # [ 108.056806] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.064908] r9:c07e1310 r8:c6379f60 r7:c2815800 r6:b6e57000 r5:c5805cc0 r4:00000000 # [ 108.072925] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.080334] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6378000 r5:c5805cc0 # [ 108.088432] r4:c5805cc0 # [ 108.091240] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.098651] r9:c6378000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000020 r4:00000020 # [ 108.106671] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.114509] Exception stack(0xc6379fa8 to 0xc6379ff0) # [ 108.119834] 9fa0: 00000020 00000020 00000001 b6e57000 00000020 00000000 # [ 108.128284] 9fc0: 00000020 00000020 b6f9ee00 00000004 00000001 00000000 00020000 be9d6a64 # [ 108.136731] 9fe0: 00000004 be9d6798 b6f094cf b6e8f7e6 # [ 108.142141] irq event stamp: 0 # [ 108.145481] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 108.151369] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 108.159179] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 108.166950] softirqs last disabled at (0): [<00000000>] 0x0 # [ 108.172841] ---[ end trace f8640c238fb1c12c ]--- # [ 108.177778] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests<6>[ 108.640701] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED : lkdtm: REFCOUNT_INC_NOT_ZERO_SA<6>[ 108.649676] lkdtm: attempting bad refcount_add_not_zero() from saturated TURATED.sh # exit=1 # selftests:<4>[ 108.659519] ------------[ cut here ]------------ lkdtm: REFCOUNT_ADD_NOT_ZERO_SAT<4>[ 108.667219] WARNING: CPU: 3 PID: 3087 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 URATED.sh <4>[ 108.678920] refcount_t: saturated; leaking memory. <4>[ 108.684788] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 108.714209] CPU: 3 PID: 3087 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 108.722220] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.729014] Backtrace: <4>[ 108.731752] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.739593] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 108.745527] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.753110] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 108.760344] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c <4>[ 108.768359] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 108.776108] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c6382000 <4>[ 108.782041] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 108.791269] r9:c1acdc34 r8:c15e88e4 r7:c6383f60 r6:00000020 r5:c5de5000 r4:c0000000 <4>[ 108.799286] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 108.809993] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 108.821994] r5:c5de5000 r4:c6382000 <4>[ 108.825844] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 108.836108] r4:00000039 <4>[ 108.838913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 108.847191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 108.855377] r9:c6383f60 r8:c536a540 r7:00000020 r6:b6ea4000 r5:c5b29b80 r4:c0c351b8 <4>[ 108.863394] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 108.871492] r9:c07e1310 r8:c6383f60 r7:c2815800 r6:b6ea4000 r5:c5b29b80 r4:00000000 <4>[ 108.879505] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 108.886910] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6382000 r5:c5b29b80 <4>[ 108.895003] r4:c5b29b80 <4>[ 108.897810] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 108.905215] r9:c6382000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:00000020 r4:00000020 <4>[ 108.913231] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 108.921068] Exception stack(0xc6383fa8 to 0xc6383ff0) <4>[ 108.926390] 3fa0: 00000020 00000020 00000001 b6ea4000 00000020 00000000 <4>[ 108.934838] 3fc0: 00000020 00000020 b6febe00 00000004 00000001 00000000 00020000 beaada64 <4>[ 108.943280] 3fe0: 00000004 beaad798 b6f564cf b6edc7e6 <4>[ 108.948664] irq event stamp: 0 <4>[ 108.951997] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 108.957884] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 108.965650] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 108.973456] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 108.979362] ---[ end trace f8640c238fb1c12d ]--- <6>[ 108.984263] lkdtm: Saturation detected: still saturated # [ 108.640701] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 108.649676] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 108.659519] ------------[ cut here ]------------ # [ 108.667219] WARNING: CPU: 3 PID: 3087 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 108.678920] refcount_t: saturated; leaking memory. # [ 108.684788] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.714209] CPU: 3 PID: 3087 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 108.722220] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.729014] Backtrace: # [ 108.731752] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.739593] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 108.745527] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.753110] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 108.760344] r9:00000009 r8:c087380c r7:00000013 r6:00000009 r5:c087380c r4:c1a21b4c # [ 108.768359] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.776108] r7:00000013 r6:c1a21b4c r5:c1a21b24 r4:c6382000 # [ 108.782041] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 108.791269] r9:c1acdc34 r8:c15e88e4 r7:c6383f60 r6:00000020 r5:c5de5000 r4:c0000000 # [ 108.799286] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 108.809993] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 108.821994] r5:c5de5000 r4:c6382000 # [ 108.825844] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.836108] r4:00000039 # [ 108.838913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.847191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.855377] r9:c6383f60 r8:c536a540 r7:00000020 r6:b6ea4000 r5:c5b29b80 r4:c0c351b8 # [ 108.863394] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.871492] r9:c07e1310 r8:c6383f60 r7:c2815800 r6:b6ea4000 r5:c5b29b80 r4:00000000 # [ 108.879505] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.886910] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6382000 r5:c5b29b80 # [ 108.895003] r4:c5b29b80 # [ 108.897810] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.905215] r9:c6382000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:00000020 r4:00000020 # [ 108.913231] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.921068] Exception stack(0xc6383fa8 to 0xc6383ff0) # [ 108.926390] 3fa0: 00000020 00000020 00000001 b6ea4000 00000020 00000000 # [ 108.934838] 3fc0: 00000020 00000020 b6febe00 00000004 00000001 00000000 00020000 beaada64 # [ 108.943280] 3fe0: 00000004 beaad798 b6f564cf b6edc7e6 # [ 108.948664] irq event stamp: 0 # [ 108.951997] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 108.957884] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 108.965650] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 108.973456] softirqs last disabled at (0): [<00000000>] 0x0 # [ 108.979362] ---[ end trace f8640c238fb1c12d ]--- # [ 108.984263] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 109.455306] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 109.462517] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 109.469607] ------------[ cut here ]------------ <4>[ 109.474535] WARNING: CPU: 1 PID: 3124 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 109.483389] refcount_t: underflow; use-after-free. <4>[ 109.488481] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 109.517897] CPU: 1 PID: 3124 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 109.525908] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 109.532703] Backtrace: <4>[ 109.535439] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 109.543281] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 109.549215] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 109.556797] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 109.564031] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c <4>[ 109.572047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 109.579797] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c653e000 <4>[ 109.585728] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 109.595042] r9:c1acdc54 r8:c15e88e4 r7:c653ff60 r6:00000020 r5:c5aa7000 r4:c653e000 <4>[ 109.603059] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 109.613767] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 109.625775] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 109.636040] r4:0000003a <4>[ 109.638843] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 109.647122] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 109.655307] r9:c653ff60 r8:c536a540 r7:00000020 r6:b6dfd000 r5:c5a02140 r4:c0c351b8 <4>[ 109.663325] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 109.671423] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6dfd000 r5:c5a02140 r4:00000000 <4>[ 109.679436] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 109.686842] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c653e000 r5:c5a02140 <4>[ 109.694936] r4:c5a02140 <4>[ 109.697739] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 109.705143] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000020 r4:00000020 <4>[ 109.713159] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 109.720994] Exception stack(0xc653ffa8 to 0xc653fff0) <4>[ 109.726315] ffa0: 00000020 00000020 00000001 b6dfd000 00000020 00000000 <4>[ 109.734763] ffc0: 00000020 00000020 b6f44e00 00000004 00000001 00000000 00020000 bebb1a64 <4>[ 109.743207] ffe0: 00000004 bebb1798 b6eaf4cf b6e357e6 <4>[ 109.748576] irq event stamp: 0 <4>[ 109.751911] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 109.757788] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 109.765576] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 109.773411] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 109.779320] ---[ end trace f8640c238fb1c12e ]--- <6>[ 109.784219] lkdtm: Saturation detected: still saturated # [ 109.455306] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 109.462517] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 109.469607] ------------[ cut here ]------------ # [ 109.474535] WARNING: CPU: 1 PID: 3124 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 109.483389] refcount_t: underflow; use-after-free. # [ 109.488481] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 109.517897] CPU: 1 PID: 3124 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 109.525908] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.532703] Backtrace: # [ 109.535439] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 109.543281] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 109.549215] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 109.556797] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 109.564031] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c # [ 109.572047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 109.579797] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c653e000 # [ 109.585728] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 109.595042] r9:c1acdc54 r8:c15e88e4 r7:c653ff60 r6:00000020 r5:c5aa7000 r4:c653e000 # [ 109.603059] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 109.613767] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 109.625775] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.636040] r4:0000003a # [ 109.638843] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.647122] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.655307] r9:c653ff60 r8:c536a540 r7:00000020 r6:b6dfd000 r5:c5a02140 r4:c0c351b8 # [ 109.663325] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.671423] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6dfd000 r5:c5a02140 r4:00000000 # [ 109.679436] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.686842] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c653e000 r5:c5a02140 # [ 109.694936] r4:c5a02140 # [ 109.697739] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.705143] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000020 r4:00000020 # [ 109.713159] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.720994] Exception stack(0xc653ffa8 to 0xc653fff0) # [ 109.726315] ffa0: 00000020 00000020 00000001 b6dfd000 00000020 00000000 # [ 109.734763] ffc0: 00000020 00000020 b6f44e00 00000004 00000001 00000000 00020000 bebb1a64 # [ 109.743207] ffe0: 00000004 bebb1798 b6eaf4cf b6e357e6 # [ 109.748576] irq event stamp: 0 # [ 109.751911] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 109.757788] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 109.765576] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 109.773411] softirqs last disabled at (0): [<00000000>] 0x0 # [ 109.779320] ---[ end trace f8640c238fb1c12e ]--- # [ 109.784219] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 110.241862] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 110.249144] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 110.256151] ------------[ cut here ]------------ <4>[ 110.261109] WARNING: CPU: 3 PID: 3159 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 110.270047] refcount_t: underflow; use-after-free. <4>[ 110.275167] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 110.304576] CPU: 3 PID: 3159 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 110.312589] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 110.319381] Backtrace: <4>[ 110.322118] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 110.329958] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 110.335893] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 110.343476] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 110.350708] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c <4>[ 110.358724] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 110.366475] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c653e000 <4>[ 110.372407] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 110.381722] r9:c1acdc74 r8:c15e88e4 r7:c653ff60 r6:00000020 r5:c5dce000 r4:c653e000 <4>[ 110.389738] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 110.400447] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 110.412458] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 110.422722] r4:0000003b <4>[ 110.425527] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 110.433807] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 110.441993] r9:c653ff60 r8:c536a540 r7:00000020 r6:b6e9c000 r5:c5b288c0 r4:c0c351b8 <4>[ 110.450010] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 110.458110] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6e9c000 r5:c5b288c0 r4:00000000 <4>[ 110.466123] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 110.473527] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c653e000 r5:c5b288c0 <4>[ 110.481621] r4:c5b288c0 <4>[ 110.484426] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 110.491832] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000020 r4:00000020 <4>[ 110.499847] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 110.507683] Exception stack(0xc653ffa8 to 0xc653fff0) <4>[ 110.513005] ffa0: 00000020 00000020 00000001 b6e9c000 00000020 00000000 <4>[ 110.521451] ffc0: 00000020 00000020 b6fe3e00 00000004 00000001 00000000 00020000 be955a64 <4>[ 110.529895] ffe0: 00000004 be955798 b6f4e4cf b6ed47e6 <4>[ 110.535276] irq event stamp: 0 <4>[ 110.538632] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 110.544485] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 110.552272] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 110.560057] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 110.565909] ---[ end trace f8640c238fb1c12f ]--- <6>[ 110.570834] lkdtm: Saturation detected: still saturated # [ 110.241862] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 110.249144] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 110.256151] ------------[ cut here ]------------ # [ 110.261109] WARNING: CPU: 3 PID: 3159 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 110.270047] refcount_t: underflow; use-after-free. # [ 110.275167] 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 parallel_display imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 110.304576] CPU: 3 PID: 3159 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 110.312589] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.319381] Backtrace: # [ 110.322118] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 110.329958] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 110.335893] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 110.343476] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 110.350708] r9:00000009 r8:c08738a8 r7:0000001c r6:00000009 r5:c08738a8 r4:c1a21b4c # [ 110.358724] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 110.366475] r7:0000001c r6:c1a21b4c r5:c1a21b88 r4:c653e000 # [ 110.372407] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 110.381722] r9:c1acdc74 r8:c15e88e4 r7:c653ff60 r6:00000020 r5:c5dce000 r4:c653e000 # [ 110.389738] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 110.400447] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 110.412458] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.422722] r4:0000003b # [ 110.425527] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.433807] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.441993] r9:c653ff60 r8:c536a540 r7:00000020 r6:b6e9c000 r5:c5b288c0 r4:c0c351b8 # [ 110.450010] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 110.458110] r9:c07e1310 r8:c653ff60 r7:c2815800 r6:b6e9c000 r5:c5b288c0 r4:00000000 # [ 110.466123] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 110.473527] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c653e000 r5:c5b288c0 # [ 110.481621] r4:c5b288c0 # [ 110.484426] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 110.491832] r9:c653e000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000020 r4:00000020 # [ 110.499847] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.507683] Exception stack(0xc653ffa8 to 0xc653fff0) # [ 110.513005] ffa0: 00000020 00000020 00000001 b6e9c000 00000020 00000000 # [ 110.521451] ffc0: 00000020 00000020 b6fe3e00 00000004 00000001 00000000 00020000 be955a64 # [ 110.529895] ffe0: 00000004 be955798 b6f4e4cf b6ed47e6 # [ 110.535276] irq event stamp: 0 # [ 110.538632] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 110.544485] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 110.552272] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 110.560057] softirqs last disabled at (0): [<00000000>] 0x0 # [ 110.565909] ---[ end trace f8640c238fb1c12f ]--- # [ 110.570834] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 111.384211] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 111.390676] lkdtm: attempting good copy_to_user of correct size <6>[ 111.396941] lkdtm: attempting bad copy_to_user of too large size # [ 111.384211] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 111.390676] lkdtm: attempting good copy_to_user of correct size # [ 111.396941] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 111.807860] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 111.814408] lkdtm: attempting good copy_from_user of correct size <6>[ 111.820888] lkdtm: attempting bad copy_from_user of too large size # [ 111.807860] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 111.814408] lkdtm: attempting good copy_from_user of correct size # [ 111.820888] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 112.232532] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 112.239353] lkdtm: attempting good copy_to_user inside whitelist <6>[ 112.245672] lkdtm: attempting bad copy_to_user outside whitelist # [ 112.232532] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 112.239353] lkdtm: attempting good copy_to_user inside whitelist # [ 112.245672] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 112.673214] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 112.680205] lkdtm: attempting good copy_from_user inside whitelist <6>[ 112.686678] lkdtm: attempting bad copy_from_user outside whitelist # [ 112.673214] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 112.680205] lkdtm: attempting good copy_from_user inside whitelist # [ 112.686678] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 113.122156] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 113.128680] lkdtm: good_stack: c63a7e0c-c63a7e2c <6>[ 113.133570] lkdtm: bad_stack : c63a7d84-c63a7da4 <6>[ 113.138611] lkdtm: attempting good copy_to_user of local stack <6>[ 113.144796] lkdtm: attempting bad copy_to_user of distant stack # [ 113.122156] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 113.128680] lkdtm: good_stack: c63a7e0c-c63a7e2c # [ 113.133570] lkdtm: bad_stack : c63a7d84-c63a7da4 # [ 113.138611] lkdtm: attempting good copy_to_user of local stack # [ 113.144796] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 113.574423] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 113.581215] lkdtm: good_stack: c62f9e0c-c62f9e2c <6>[ 113.586137] lkdtm: bad_stack : c62f9d84-c62f9da4 <6>[ 113.591110] lkdtm: attempting good copy_from_user of local stack <6>[ 113.597410] lkdtm: attempting bad copy_from_user of distant stack # [ 113.574423] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 113.581215] lkdtm: good_stack: c62f9e0c-c62f9e2c # [ 113.586137] lkdtm: bad_stack : c62f9d84-c62f9da4 # [ 113.591110] lkdtm: attempting good copy_from_user of local stack # [ 113.597410] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 114.019083] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 114.025380] lkdtm: good_stack: c658fe0c-c658fe2c <6>[ 114.030343] lkdtm: bad_stack : c658fffc-c659001c <6>[ 114.035250] lkdtm: attempting good copy_to_user of local stack <6>[ 114.041589] lkdtm: attempting bad copy_to_user of distant stack # [ 114.019083] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 114.025380] lkdtm: good_stack: c658fe0c-c658fe2c # [ 114.030343] lkdtm: bad_stack : c658fffc-c659001c # [ 114.035250] lkdtm: attempting good copy_to_user of local stack # [ 114.041589] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 114.464598] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 114.470577] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 <6>[ 114.478032] lkdtm: attempting bad copy_to_user from kernel text: c053aac0 <3>[ 114.485148] lkdtm: FAIL: survived bad copy_to_user() # [ 114.464598] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 114.470577] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 # [ 114.478032] lkdtm: attempting bad copy_to_user from kernel text: c053aac0 # [ 114.485148] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 114.927272] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 114.933288] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 114.940590] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 114.947781] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 114.954066] CPU: 2 PID: 3524 Comm: cat Tainted: G D W 5.10.167-cip25 #1 <4>[ 114.962075] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 114.968868] Backtrace: <4>[ 114.971608] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 114.979448] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 <4>[ 114.985382] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 114.992966] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 115.001760] r9:c1acdd7c r8:c15e88e4 r7:c62f1f60 r6:c62f1e34 r5:c62f0000 r4:0000078d <4>[ 115.009777] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 115.018830] r8:c15e88e4 r7:c62f1f60 r6:00000012 r5:c597d000 r4:00000046 <4>[ 115.025801] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 115.034080] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 115.042266] r9:c62f1f60 r8:c536a540 r7:00000012 r6:b6de2000 r5:c59e48c0 r4:c0c351b8 <4>[ 115.050282] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 115.058381] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6de2000 r5:c59e48c0 r4:00000000 <4>[ 115.066395] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 115.073801] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c62f0000 r5:c59e48c0 <4>[ 115.081895] r4:c59e48c0 <4>[ 115.084699] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 115.092103] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000012 r4:00000012 <4>[ 115.100121] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 115.107957] Exception stack(0xc62f1fa8 to 0xc62f1ff0) <4>[ 115.113278] 1fa0: 00000012 00000012 00000001 b6de2000 00000012 00000000 <4>[ 115.121725] 1fc0: 00000012 00000012 b6f29e00 00000004 00000001 00000000 00020000 be975a64 <4>[ 115.130170] 1fe0: 00000004 be975798 b6e944cf b6e1a7e6 # [ 114.927272] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 114.933288] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 114.940590] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 114.947781] lkdtm: FAIL: the thread stack is NOT properly erased # [ 114.954066] CPU: 2 PID: 3524 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 114.962075] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.968868] Backtrace: # [ 114.971608] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 114.979448] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fc78 # [ 114.985382] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 114.992966] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 115.001760] r9:c1acdd7c r8:c15e88e4 r7:c62f1f60 r6:c62f1e34 r5:c62f0000 r4:0000078d # [ 115.009777] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.018830] r8:c15e88e4 r7:c62f1f60 r6:00000012 r5:c597d000 r4:00000046 # [ 115.025801] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.034080] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.042266] r9:c62f1f60 r8:c536a540 r7:00000012 r6:b6de2000 r5:c59e48c0 r4:c0c351b8 # [ 115.050282] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.058381] r9:c07e1310 r8:c62f1f60 r7:c2815800 r6:b6de2000 r5:c59e48c0 r4:00000000 # [ 115.066395] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.073801] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c62f0000 r5:c59e48c0 # [ 115.081895] r4:c59e48c0 # [ 115.084699] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.092103] r9:c62f0000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000012 r4:00000012 # [ 115.100121] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.107957] Exception stack(0xc62f1fa8 to 0xc62f1ff0) # [ 115.113278] 1fa0: 00000012 00000012 00000001 b6de2000 00000012 00000000 # [ 115.121725] 1fc0: 00000012 00000012 b6f29e00 00000004 00000001 00000000 00020000 be975a64 # [ 115.130170] 1fe0: 00000004 be975798 b6e944cf b6e1a7e6 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 115.550728] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 115.556675] lkdtm: Calling matched prototype ... <6>[ 115.561647] lkdtm: Calling mismatched prototype ... <6>[ 115.566803] lkdtm: Fail: survived mismatched prototype function call! # [ 115.550728] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 115.556675] lkdtm: Calling matched prototype ... # [ 115.561647] lkdtm: Calling mismatched prototype ... # [ 115.566803] 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 / #