[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.11 (8 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12910026/tftp-deploy-_bzegcuc/kernel/zImage tftp 0x10000000 12910026/tftp-deploy-_bzegcuc/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '12910026/tftp-deploy-_bzegcuc/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 5.3 MiB/s done Bytes transferred = 12554752 (bf9200 hex) => tftp 0x14000000 12910026/tftp-deploy-_bzegcuc/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12910026/tftp-deploy-_bzegcuc/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '12910026/tftp-deploy-_bzegcuc/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ##### 5.1 MiB/s done Bytes transferred = 15339205 (ea0ec5 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12910026/tftp-deploy-_bzegcuc/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12910026/tftp-deploy-_bzegcuc/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '12910026/tftp-deploy-_bzegcuc/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.4 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12910026/extract-nfsrootfs-c1d4tjfb,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12910026/extract-nfsrootfs-c1d4tjfb,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf9200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15339141 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d6a4 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.211-cip44 (KernelCI@build-j127075-arm-gcc-10-multi-v7-defconfig-kselftest-zq4cq) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Mar 1 19:50:16 UTC 2024 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12910026/extract-nfsrootfs-c1d4tjfb,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921480K/1048576K available (17408K kernel code, 2714K rwdata, 8144K rodata, 2048K init, 6693K bss, 61560K 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 56168 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008444] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022972] Console: colour dummy device 80x30 <4>[ 0.024876] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032886] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037232] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041643] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046278] ... CLASSHASH_SIZE: 4096 <4>[ 0.050864] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055585] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060260] ... CHAINHASH_SIZE: 32768 <4>[ 0.064958] memory used by lock dependency info: 4061 kB <4>[ 0.070637] memory used for stack traces: 2112 kB <4>[ 0.075683] per task-struct memory footprint: 1536 bytes <6>[ 0.081374] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091786] CPU: Testing write buffer coherency: ok <6>[ 0.096923] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102196] pid_max: default: 32768 minimum: 301 <6>[ 0.107391] LSM: Security Framework initializing <6>[ 0.112016] LSM support for eBPF active <6>[ 0.116173] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123616] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135055] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141582] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147952] rcu: Hierarchical SRCU implementation. <6>[ 0.159297] EFI services will not be available. <6>[ 0.162348] smp: Bringing up secondary CPUs ... <6>[ 0.168879] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168895] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180675] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180689] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192140] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192154] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201198] smp: Brought up 1 node, 4 CPUs <6>[ 0.204900] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211436] CPU: All CPU(s) started in SVC mode. <6>[ 0.218696] devtmpfs: initialized <6>[ 0.266000] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.273452] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.281354] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293062] pinctrl core: initialized pinctrl subsystem <6>[ 0.302004] DMI not present or invalid. <6>[ 0.305477] NET: Registered protocol family 16 <6>[ 0.317536] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.330162] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.330665] cpuidle: using governor menu <6>[ 0.338777] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.979368] vdd1p1: supplied by regulator-dummy <6>[ 1.008525] vdd3p0: supplied by regulator-dummy <6>[ 1.037182] vdd2p5: supplied by regulator-dummy <6>[ 1.065944] vddarm: supplied by regulator-dummy <6>[ 1.095318] vddpu: supplied by regulator-dummy <6>[ 1.123196] vddsoc: supplied by regulator-dummy <6>[ 2.264312] No ATAGs? <6>[ 2.265128] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.272351] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.295560] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.325496] Serial: AMBA PL011 UART driver <6>[ 2.381707] Kprobes globally optimized <6>[ 2.485223] iommu: Default domain type: Translated <6>[ 2.489720] vgaarb: loaded <5>[ 2.494742] SCSI subsystem initialized <6>[ 2.497920] usbcore: registered new interface driver usbfs <6>[ 2.501922] usbcore: registered new interface driver hub <6>[ 2.507473] usbcore: registered new device driver usb <6>[ 2.519263] i2c i2c-0: IMX I2C adapter registered <6>[ 2.527520] i2c i2c-1: IMX I2C adapter registered <6>[ 2.533598] i2c i2c-2: IMX I2C adapter registered <6>[ 2.539885] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.542283] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.551804] PTP clock support registered <6>[ 2.571455] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.350500] NET: Registered protocol family 2 <6>[ 4.353092] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.362921] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.368937] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.377052] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.385769] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.392235] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.398838] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.405713] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.413496] NET: Registered protocol family 1 <6>[ 4.419837] RPC: Registered named UNIX socket transport module. <6>[ 4.423630] RPC: Registered udp transport module. <6>[ 4.428494] RPC: Registered tcp transport module. <6>[ 4.433505] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.440160] NET: Registered protocol family 44 <6>[ 4.444920] PCI: CLS 0 bytes, default 64 <6>[ 4.451288] Trying to unpack rootfs image as initramfs... <6>[ 6.227721] Freeing initrd memory: 14980K <4>[ 6.230279] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.237601] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.253253] Initialise system trusted keyrings <6>[ 6.256011] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.303244] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.309612] NFS: Registering the id_resolver key type <5>[ 6.312340] Key type id_resolver registered <5>[ 6.316542] Key type id_legacy registered <6>[ 6.321371] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.327821] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.335624] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.341917] Key type asymmetric registered <5>[ 6.344458] Asymmetric key parser 'x509' registered <6>[ 6.349802] bounce: pool size: 64 pages <6>[ 6.353784] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.361367] io scheduler mq-deadline registered <6>[ 6.366040] io scheduler kyber registered <4>[ 6.371184] test_firmware: interface ready <6>[ 6.533438] mxs-dma 110000.dma-controller: initialized <4>[ 6.593648] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.601729] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.807663] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.829469] SuperH (H)SCI(F) driver initialized <6>[ 6.834201] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.844893] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.851430] printk: console [ttymxc1] enabled <6>[ 6.851430] printk: console [ttymxc1] enabled <6>[ 6.860162] printk: bootconsole [ec_imx21] disabled <6>[ 6.860162] printk: bootconsole [ec_imx21] disabled <6>[ 6.876473] msm_serial: driver initialized <6>[ 6.881903] STMicroelectronics ASC driver initialized <6>[ 6.893277] STM32 USART driver initialized <6>[ 6.917820] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.937961] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.946628] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.954567] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.002775] brd: module loaded <6>[ 7.047504] loop: module loaded <6>[ 7.053733] lkdtm: No crash points registered, enable through debugfs <6>[ 7.074636] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.082915] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.091265] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.099737] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.107997] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.116358] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.124411] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.135896] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.143268] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.152404] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.166478] scsi host0: ahci-imx <6>[ 7.172081] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.231410] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.244607] pps pps0: new PPS source ptp0 <6>[ 7.288035] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.298553] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.303857] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.310276] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.316005] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.341993] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.349819] usbcore: registered new interface driver pegasus <6>[ 7.356015] usbcore: registered new interface driver asix <6>[ 7.361880] usbcore: registered new interface driver ax88179_178a <6>[ 7.368390] usbcore: registered new interface driver cdc_ether <6>[ 7.374743] usbcore: registered new interface driver smsc75xx <6>[ 7.380959] usbcore: registered new interface driver smsc95xx <6>[ 7.387175] usbcore: registered new interface driver net1080 <6>[ 7.393296] usbcore: registered new interface driver cdc_subset <6>[ 7.399629] usbcore: registered new interface driver zaurus <6>[ 7.405761] usbcore: registered new interface driver cdc_ncm <6>[ 7.423536] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.430429] ehci-pci: EHCI PCI platform driver <6>[ 7.435349] ehci-platform: EHCI generic platform driver <6>[ 7.441841] ehci-orion: EHCI orion driver <6>[ 7.446956] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.452075] ehci-st: EHCI STMicroelectronics driver <6>[ 7.458007] ehci-exynos: EHCI Exynos driver <6>[ 7.463306] ehci-atmel: EHCI Atmel driver <6>[ 7.468371] tegra-ehci: Tegra EHCI driver <6>[ 7.473518] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.480049] ohci-pci: OHCI PCI platform driver <6>[ 7.484962] ohci-platform: OHCI generic platform driver <6>[ 7.491394] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.496490] ohci-st: OHCI STMicroelectronics driver <6>[ 7.502493] ohci-atmel: OHCI Atmel driver <6>[ 7.510729] usbcore: registered new interface driver usb-storage <6>[ 7.513794] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.523072] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.529634] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.546891] i2c /dev entries driver <6>[ 7.626063] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.632605] sdhci: Copyright(c) Pierre Ossman <6>[ 7.646024] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.659044] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.668505] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.672787] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.674069] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.686174] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.696148] usbcore: registered new interface driver usbhid <6>[ 7.702071] usbhid: USB HID core driver <6>[ 7.722590] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.728356] netem: version 1.3 <6>[ 7.733154] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.733415] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.748407] IPv4 over IPsec tunneling driver <6>[ 7.757283] NET: Registered protocol family 10 <6>[ 7.767385] Segment Routing with IPv6 <6>[ 7.776910] NET: Registered protocol family 17 <6>[ 7.783146] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.788530] Key type dns_resolver registered <6>[ 7.806905] ThumbEE CPU extension supported. <5>[ 7.811574] Registering SWP/SWPB emulation handler <5>[ 7.820464] Loading compiled-in X.509 certificates <4>[ 7.978410] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.987055] panel-simple panel-lcd: Specify missing connector_type <6>[ 7.994758] mmc2: new high speed SDHC card at address 0001 <4>[ 7.999724] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.003806] mmcblk2: mmc2:0001 SD 14.6 GiB <4>[ 8.035706] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.048835] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.054431] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <4>[ 8.062535] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 8.070291] GPT:7812499 != 30560255 <4>[ 8.074123] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.080413] GPT:7812499 != 30560255 <4>[ 8.084233] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.089709] mmcblk2: p1 p2 p3 <6>[ 8.121278] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.139426] hub 1-0:1.0: USB hub found <6>[ 8.144039] hub 1-0:1.0: 1 port detected <6>[ 8.159059] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.189889] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.198399] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.211239] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.239276] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.247810] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.260403] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.277922] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.306207] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.314657] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.327222] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.348479] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 8.431415] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.639830] hub 1-1:1.0: USB hub found <6>[ 8.644735] hub 1-1:1.0: 3 ports detected <4>[ 8.674268] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.682755] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.695477] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 10.483057] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off <6>[ 10.501360] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 10.531248] Sending DHCP requests ., OK <6>[ 10.575812] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 <6>[ 10.584300] IP-Config: Complete: <6>[ 10.587863] device=eth0, hwaddr=00:19:b8:07:40:03, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.598742] host=imx6q-sabrelite-lava-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 10.606993] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.607032] nameserver0=192.168.201.1 <6>[ 10.671465] Freeing unused kernel memory: 2048K <6>[ 10.693051] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 14.334608] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 14.362317] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 14.366167] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 14.375872] panel-simple panel-lcd: Specify missing connector_type <4>[ 14.389221] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 14.440919] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 14.449568] panel-simple panel-lcd: Specify missing connector_type <6>[ 14.452373] CAN device driver interface <4>[ 14.462452] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 14.532935] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <4>[ 14.533970] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 14.548742] panel-simple panel-lcd: Specify missing connector_type <6>[ 14.549100] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <4>[ 14.561792] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 14.579981] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 14.587031] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 14.597007] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 14.605569] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 14.612098] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 14.631454] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <6>[ 14.666292] caam 2100000.crypto: Entropy delay = 3200 <4>[ 14.671561] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 14.680106] panel-simple panel-lcd: Specify missing connector_type <6>[ 14.682793] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 14.695779] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 14.695869] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 14.704753] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 14.721262] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 14.732547] caam 2100000.crypto: Instantiated RNG4 SH0 <4>[ 14.785373] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 14.793309] caam 2100000.crypto: Instantiated RNG4 SH1 <4>[ 14.793998] panel-simple panel-lcd: Specify missing connector_type <6>[ 14.798771] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 14.812198] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 14.815641] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 14.843915] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 14.866879] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <6>[ 14.869278] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 14.876355] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 14.883791] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 14.892231] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <6>[ 14.900265] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <4>[ 14.909060] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 14.917190] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 14.925748] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 14.961011] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 14.970414] panel-simple panel-lcd: Specify missing connector_type <4>[ 14.986244] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.035344] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.044273] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.053500] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.062402] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.695644] caam algorithms registered in /proc/crypto <6>[ 15.708006] caam 2100000.crypto: registering rng-caam <5>[ 15.837286] random: crng init done <4>[ 15.866277] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.875355] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.888108] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.907373] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.916177] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers <6>[ 15.924984] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) ... done. <6>[ 15.936264] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:07:40:03 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 17.870363] systemd[1]: System time before build time, advancing clock. <30>[ 18.127023] systemd[1]: systemd 247.3-7+deb11u4 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>[ 18.157202] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 18.228265] systemd[1]: Set hostname to . <30>[ 19.845460] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 19.859408] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 19.906303] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 19.955960] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.005381] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.055289] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.104522] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.152834] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.166880] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.213632] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 20.252814] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 20.291604] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 20.333177] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 20.373464] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 20.463641] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 20.476825] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 20.528942] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 20.578792] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 20.633345] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 20.677397] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 20.726242] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 20.736872] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 20.756794] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 20.802711] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 20.865306] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 20.931590] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 20.993846] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.052430] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.120338] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 21.127878] fuse: init (API version 7.32) <30>[ 21.154002] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 21.234304] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.282533] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 21.335537] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 21.389438] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 21.434964] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 21.489439] 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>[ 21.573008] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 21.583164] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 21.636718] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 21.646715] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 21.686458] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 21.696641] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 21.737190] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 21.786235] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 21.833039] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 22.110270] systemd-journald[277]: Received client request to flush runtime journal. Starting Create System Users... [ 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 Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ 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 ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ OK ] Started User Login Management. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.211-cip44 #1 SMP Fri Mar 1 19:50:16 UTC 2024 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12910026/extract-nfsrootfs-c1d4tjfb' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12910026/extract-nfsrootfs-c1d4tjfb' / # 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-12910026/environment . /lava-12910026/environment / # /lava-12910026/bin/lava-test-runner /lava-12910026/0 /lava-12910026/bin/lava-test-runner /lava-12910026/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12910026/0/tests/0_timesync-off ++ cat uuid + UUID=12910026_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-12910026/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12910026_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/v5.10.209-cip44-552-gc0460fb20fc00/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-03-01 20:10:21-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-552-gc0460fb20fc00/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1410056 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 50.15K 190KB/s kselftest.tar.xz 15%[==> ] 218.91K 413KB/s kselftest.tar.xz 61%[===========> ] 841.10K 1010KB/s kselftest.tar.xz 100%[===================>] 1.34M 1.39MB/s in 1.0s 2024-03-01 20:10:23 (1.39 MB/s) - 'kselftest.tar.xz' saved [1410056/1410056] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 55.428846] 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>[ 56.438091] lkdtm: Performing direct entry BUG <4>[ 56.443206] ------------[ cut here ]------------ <2>[ 56.448098] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 56.453593] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 56.459002] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 56.488352] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.211-cip44 #1 <4>[ 56.494903] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 56.501729] PC is at lkdtm_BUG+0x14/0x18 <4>[ 56.505944] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 56.510672] pc : [] lr : [] psr: a00e0013 <4>[ 56.517223] sp : c47cde58 ip : c47cde68 fp : c47cde64 <4>[ 56.522730] r10: 00000004 r9 : c1ad5db8 r8 : c15ebd54 <4>[ 56.528238] r7 : c47cdf60 r6 : 00000004 r5 : c6d40000 r4 : 00000001 <4>[ 56.535047] r3 : c0c58a74 r2 : 71d0f01b r1 : ef7ab5e0 r0 : c15ebd5c <4>[ 56.541861] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 56.549279] Control: 10c5387d Table: 169f004a DAC: 00000051 <0>[ 56.555313] Process cat (pid: 700, stack limit = 0xeacd0637) <0>[ 56.561257] Stack: (0xc47cde58 to 0xc47ce000) <0>[ 56.565902] de40: c47cde74 c47cde68 <0>[ 56.574373] de60: c0c58508 c0c58a80 c47cde9c c47cde78 c0c58a08 c0c584e8 c0c588e8 c6a3ba40 <0>[ 56.582844] de80: b6de1000 00000004 c526b300 c47cdf60 c47cdec4 c47cdea0 c07e2134 c0c588f4 <0>[ 56.591314] dea0: 00000000 c6a3ba40 b6de1000 c290d000 c47cdf60 c07e20d0 c47cdf5c c47cdec8 <0>[ 56.599783] dec0: c059bdac c07e20dc 00000001 00000000 c059c358 c5c2d3a4 c059c358 c47cc000 <0>[ 56.608251] dee0: b6de1000 00020000 00000004 00000004 0001fffc c47cdee0 00000001 00000805 <0>[ 56.616720] df00: c6d58280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 56.625190] df20: 00000000 00000000 c47cc000 71d0f01b b6de0000 c6a3ba40 c6a3ba40 c47cc000 <0>[ 56.633659] df40: b6de1000 00000000 00000000 00000004 c47cdf94 c47cdf60 c059c358 c059bcac <0>[ 56.642127] df60: 00000000 00000000 c47cdfac 71d0f01b 00000004 00000004 b6f28e00 00000004 <0>[ 56.650595] df80: c03002e4 c47cc000 c47cdfa4 c47cdf98 c059c3e8 c059c2f0 00000000 c47cdfa8 <0>[ 56.659064] dfa0: c03000c0 c059c3dc 00000004 00000004 00000001 b6de1000 00000004 00000000 <0>[ 56.667533] dfc0: 00000004 00000004 b6f28e00 00000004 00000001 00000000 00020000 bedc8ac4 <0>[ 56.676001] dfe0: 00000004 bedc87f8 b6e92d8f b6e197e6 800e0030 00000001 00000000 00000000 <0>[ 56.684457] Backtrace: <0>[ 56.687216] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 56.695083] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 56.703394] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 56.711610] r9:c47cdf60 r8:c526b300 r7:00000004 r6:b6de1000 r5:c6a3ba40 r4:c0c588e8 <0>[ 56.719659] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 56.727784] r9:c07e20d0 r8:c47cdf60 r7:c290d000 r6:b6de1000 r5:c6a3ba40 r4:00000000 <0>[ 56.735823] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 56.743253] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c47cc000 r5:c6a3ba40 <0>[ 56.751365] r4:c6a3ba40 <0>[ 56.754194] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 56.761621] r9:c47cc000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:00000004 r4:00000004 <0>[ 56.769661] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 56.777512] Exception stack(0xc47cdfa8 to 0xc47cdff0) <0>[ 56.782853] dfa0: 00000004 00000004 00000001 b6de1000 00000004 00000000 <0>[ 56.791324] dfc0: 00000004 00000004 b6f28e00 00000004 00000001 00000000 00020000 bedc8ac4 <0>[ 56.799787] dfe0: 00000004 bedc87f8 b6e92d8f b6e197e6 <0>[ 56.805131] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 56.811518] ---[ end trace 02faea3b7f43df25 ]--- <3>[ 56.816426] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.825584] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat <4>[ 56.833520] INFO: lockdep is turned off. <4>[ 56.837722] irq event stamp: 1560 <4>[ 56.841341] hardirqs last enabled at (1559): [] console_unlock+0x4b0/0x6c0 <4>[ 56.849463] hardirqs last disabled at (1560): [] __und_svc+0x60/0x6c <4>[ 56.856976] softirqs last enabled at (1556): [] __do_softirq+0x36c/0x5a0 <4>[ 56.864923] softirqs last disabled at (1547): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 56.873043] CPU: 2 PID: 700 Comm: cat Tainted: G D 5.10.211-cip44 #1 <4>[ 56.880983] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 56.887788] Backtrace: <4>[ 56.890550] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 56.898411] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d178 <4>[ 56.904371] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 56.911991] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 56.920029] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d2000 r4:c47cc000 <4>[ 56.928071] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 56.936186] r6:00000000 r5:00000031 r4:c19d2000 <4>[ 56.941116] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 56.949146] r6:00000001 r5:c47cc000 r4:c47b0000 <4>[ 56.954069] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 56.961669] r8:0000000b r7:c1e1cb4c r6:ffffe000 r5:00000000 r4:c47b0000 <4>[ 56.968669] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 56.976259] r7:c1e1cb4c <4>[ 56.979090] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 56.986516] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 56.993858] r10:00000004 r9:c47cc000 r8:c15ebd54 r7:00000000 r6:c47cddc8 r5:c0c58a88 <4>[ 57.001968] r4:e7f001f2 <4>[ 57.004795] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 57.012994] Exception stack(0xc47cddc8 to 0xc47cde10) <4>[ 57.018337] ddc0: c15ebd5c ef7ab5e0 71d0f01b c0c58a74 00000001 c6d40000 <4>[ 57.026806] dde0: 00000004 c47cdf60 c15ebd54 c1ad5db8 00000004 c47cde64 c47cde68 c47cde58 <4>[ 57.035270] de00: c0c58508 c0c58a88 a00e0013 ffffffff <4>[ 57.040610] r7:c47cddfc r6:ffffffff r5:a00e0013 r4:c0c58a8c <4>[ 57.046566] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 57.054429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 57.062733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 57.070943] r9:c47cdf60 r8:c526b300 r7:00000004 r6:b6de1000 r5:c6a3ba40 r4:c0c588e8 <4>[ 57.078986] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 57.087108] r9:c07e20d0 r8:c47cdf60 r7:c290d000 r6:b6de1000 r5:c6a3ba40 r4:00000000 <4>[ 57.095145] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 57.102571] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c47cc000 r5:c6a3ba40 <4>[ 57.110681] r4:c6a3ba40 <4>[ 57.113508] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 57.120936] r9:c47cc000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:00000004 r4:00000004 <4>[ 57.128972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 57.136823] Exception stack(0xc47cdfa8 to 0xc47cdff0) <4>[ 57.142164] dfa0: 00000004 00000004 00000001 b6de1000 00000004 00000000 <4>[ 57.150633] dfc0: 00000004 00000004 b6f28e00 00000004 00000001 00000000 00020000 bedc8ac4 <4>[ 57.159095] dfe0: 00000004 bedc87f8 b6e92d8f b6e197e6 # Segmentation fault # [ 56.438091] lkdtm: Performing direct entry BUG # [ 56.443206] ------------[ cut here ]------------ # [ 56.448098] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 56.453593] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 56.459002] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 56.488352] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.211-cip44 #1 # [ 56.494903] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 56.501729] PC is at lkdtm_BUG+0x14/0x18 # [ 56.505944] LR is at lkdtm_do_action+0x2c/0x4c # [ 56.510672] pc : [] lr : [] psr: a00e0013 # [ 56.517223] sp : c47cde58 ip : c47cde68 fp : c47cde64 # [ 56.522730] r10: 00000004 r9 : c1ad5db8 r8 : c15ebd54 # [ 56.528238] r7 : c47cdf60 r6 : 00000004 r5 : c6d40000 r4 : 00000001 # [ 56.535047] r3 : c0c58a74 r2 : 71d0f01b r1 : ef7ab5e0 r0 : c15ebd5c # [ 56.541861] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 56.549279] Control: 10c5387d Table: 169f004a DAC: 00000051 # [ 56.555313] Process cat (pid: 700, stack limit = 0xeacd0637) # [ 56.561257] Stack: (0xc47cde58 to 0xc47ce000) # [ 56.565902] de40: c47cde74 c47cde68 # [ 56.574373] de60: c0c58508 c0c58a80 c47cde9c c47cde78 c0c58a08 c0c584e8 c0c588e8 c6a3ba40 # [ 56.582844] de80: b6de1000 00000004 c526b300 c47cdf60 c47cdec4 c47cdea0 c07e2134 c0c588f4 # [ 56.591314] dea0: 00000000 c6a3ba40 b6de1000 c290d000 c47cdf60 c07e20d0 c47cdf5c c47cdec8 # [ 56.599783] dec0: c059bdac c07e20dc 00000001 00000000 c059c358 c5c2d3a4 c059c358 c47cc000 # [ 56.608251] dee0: b6de1000 00020000 00000004 00000004 0001fffc c47cdee0 00000001 00000805 # [ 56.616720] df00: c6d58280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 56.625190] df20: 00000000 00000000 c47cc000 71d0f01b b6de0000 c6a3ba40 c6a3ba40 c47cc000 # [ 56.633659] df40: b6de1000 00000000 00000000 00000004 c47cdf94 c47cdf60 c059c358 c059bcac # [ 56.642127] df60: 00000000 00000000 c47cdfac 71d0f01b 00000004 00000004 b6f28e00 00000004 # [ 56.650595] df80: c03002e4 c47cc000 c47cdfa4 c47cdf98 c059c3e8 c059c2f0 00000000 c47cdfa8 # [ 56.659064] dfa0: c03000c0 c059c3dc 00000004 00000004 00000001 b6de1000 00000004 00000000 # [ 56.667533] dfc0: 00000004 00000004 b6f28e00 00000004 00000001 00000000 00020000 bedc8ac4 # [ 56.676001] dfe0: 00000004 bedc87f8 b6e92d8f b6e197e6 800e0030 00000001 00000000 00000000 # [ 56.684457] Backtrace: # [ 56.687216] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 56.695083] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 56.703394] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 56.711610] r9:c47cdf60 r8:c526b300 r7:00000004 r6:b6de1000 r5:c6a3ba40 r4:c0c588e8 # [ 56.719659] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 56.727784] r9:c07e20d0 r8:c47cdf60 r7:c290d000 r6:b6de1000 r5:c6a3ba40 r4:00000000 # [ 56.735823] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 56.743253] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c47cc000 r5:c6a3ba40 # [ 56.751365] r4:c6a3ba40 # [ 56.754194] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 56.761621] r9:c47cc000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:00000004 r4:00000004 # [ 56.769661] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 56.777512] Exception stack(0xc47cdfa8 to 0xc47cdff0) # [ 56.782853] dfa0: 00000004 00000004 00000001 b6de1000 00000004 00000000 # [ 56.791324] dfc0: 00000004 00000004 b6f28e00 00000004 00000001 00000000 00020000 bedc8ac4 # [ 56.799787] dfe0: 00000004 bedc87f8 b6e92d8f b6e197e6 # [ 56.805131] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 56.811518] ---[ end trace 02faea3b7f43df25 ]--- # [ 56.816426] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.825584] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat # [ 56.833520] INFO: lockdep is turned off. # [ 56.837722] irq event stamp: 1560 # [ 56.841341] hardirqs last enabled at (1559): [] console_unlock+0x4b0/0x6c0 # [ 56.849463] hardirqs last disabled at (1560): [] __und_svc+0x60/<6>[ 57.657933] lkdtm: Performing direct entry WARNING 0x6c # [ 56.856976] softirqs l<4>[ 57.663822] ------------[ cut here ]------------ ast enabled at (1556): [[ 57.671604] WARNING: CPU: 1 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c c>] __do_softirq+0x36c/0x5a0 # [<4>[ 57.683096] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 56.864923] softirqs last disab<4>[ 57.715084] CPU: 1 PID: 772 Comm: cat Tainted: G D W 5.10.211-cip44 #1 led at (1547): [] __irq<4>[ 57.725803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) _exit_rcu+0x178/0x1d0 # [ 56.8<4>[ 57.735452] Backtrace: 73043] CPU: 2 PID: 700 Comm: cat <4>[ 57.741034] [] (dump_backtrace) from [] (show_stack+0x20/0x24) Tainted: G D 5.10.<4>[ 57.751720] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 211-cip44 #1 # [ 56.880983] Ha<4>[ 57.760504] [] (show_stack) from [] (dump_stack+0xe0/0x100) rdware name: Freescale i.MX6 Quad<4>[ 57.770939] [] (dump_stack) from [] (__warn+0x98/0x14c) /DualLite (Device Tree) # [ 56<4>[ 57.781018] r9:00000009 r8:c0c58ad4 r7:00000053 r6:00000009 r5:c0c58ad4 r4:c1ad6474 .887788] Backtrace: # [ 56.89<4>[ 57.791884] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0550] [] (dump_backtrac<4>[ 57.802488] r7:00000053 r6:c1ad6474 r5:00000000 r4:c5e90000 e) from [] (show_stack+<4>[ 57.811274] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 0x20/0x24) # [ 56.898411] r7:<4>[ 57.822485] r9:c1ad5dbc r8:c15ebd54 r7:c5e91f60 r6:00000008 r5:c6816000 r4:00000002 ffffffff r6:600e0093 r5:00000000 <4>[ 57.833352] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) r4:c1f1d178 # [ 56.904371] [[ 57.844392] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 13bdc14>] (show_stack) from [[ 57.855526] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) c4ecc>] (dump_stack+0xe0/0x100) <4>[ 57.866560] r9:c5e91f60 r8:c526b300 r7:00000008 r6:b6e23000 r5:c693d540 r4:c0c588e8 # [ 56.911991] [] (du<4>[ 57.877433] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) mp_stack) from [] (___m<4>[ 57.888376] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6e23000 r5:c693d540 r4:00000000 ight_sleep+0x188/0x2e0) # [ 56<4>[ 57.899243] [] (vfs_write) from [] (ksys_write+0x74/0xec) .920029] r9:600e0093 r8:0000000b<4>[ 57.909503] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c5e90000 r5:c693d540 r7:c035c468 r6:00000031 r5:c19d2<4>[ 57.920450] r4:c693d540 000 r4:c47cc000 # [ 56.928071]<4>[ 57.926113] [] (ksys_write) from [] (sys_write+0x18/0x1c) [] (___might_sleep) fr<4>[ 57.936371] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:00000008 r4:00000008 om [] (__might_sleep+0x<4>[ 57.947240] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 70/0xb0) # [ 56.936186] r6:00<4>[ 57.957925] Exception stack(0xc5e91fa8 to 0xc5e91ff0) 000000 r5:00000031 r4:c19d2000 <4>[ 57.966107] 1fa0: 00000008 00000008 00000001 b6e23000 00000008 00000000 <4>[ 57.977319] 1fc0: 00000008 00000008 b6f6ae00 00000004 00000001 00000000 00020000 bed67ac4 # [ 56.941116] [] (__<4>[ 57.985765] 1fe0: 00000004 bed677f8 b6ed4d8f b6e5b7e6 might_sleep) from [] (e<4>[ 57.993988] irq event stamp: 0 xit_signals+0x4c/0x420) # [ 56<4>[ 58.000123] hardirqs last enabled at (0): [<00000000>] 0x0 .949146] r6:00000001 r5:c47cc000<4>[ 58.008843] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac r4:c47b0000 # [ 56.954069] [<<4>[ 58.019452] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac c036da1c>] (exit_signals) from [<<4>[ 58.030051] softirqs last disabled at (0): [<00000000>] 0x0 c035c468>] (do_exit+0x100/0xafc) <4>[ 58.038750] ---[ end trace 02faea3b7f43df26 ]--- # [ 56.961669] r8:0000000b r7:c1e1cb4c r6:ffffe000 r5:00000000 r4:c47b0000 # [ 56.968669] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 56.976259] r7:c1e1cb4c # [ 56.979090] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 56.986516] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 56.993858] r10:00000004 r9:c47cc000 r8:c15ebd54 r7:00000000 r6:c47cddc8 r5:c0c58a88 # [ 57.001968] r4:e7f001f2 # [ 57.004795] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 57.012994] Exception stack(0xc47cddc8 to 0xc47cde10) # [ 57.018337] ddc0: c15ebd5c ef7ab5e0 71d0f01b c0c58a74 00000001 c6d40000 # [ 57.026806] dde0: 00000004 c47cdf60 c15ebd54 c1ad5db8 00000004 c47cde64 c47cde68 c47cde58 # [ 57.035270] de00: c0c58508 c0c58a88 a00e0013 ffffffff # [ 57.040610] r7:c47cddfc r6:ffffffff r5:a00e0013 r4:c0c58a8c # [ 57.046566] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 57.054429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 57.062733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 57.070943] r9:c47cdf60 r8:c526b300 r7:00000004 r6:b6de1000 r5:c6a3ba40 r4:c0c588e8 # [ 57.078986] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 57.087108] r9:c07e20d0 r8:c47cdf60 r7:c290d000 r6:b6de1000 r5:c6a3ba40 r4:00000000 # [ 57.095145] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 57.102571] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c47cc000 r5:c6a3ba40 # [ 57.110681] r4:c6a3ba40 # [ 57.113508] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 57.120936] r9:c47cc000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:00000004 r4:00000004 # [ 57.128972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 57.136823] Exception stack(0xc47cdfa8 to 0xc47cdff0) # [ 57.142164] dfa0: 00000004 00000004 00000001 b6de1000 00000004 00000000 # [ 57.150633] dfc0: 00000004 00000004 b6f28e00 00000004 00000001 00000000 00020000 bedc8ac4 # [ 57.159095] dfe0: 00000004 bedc87f8 b6e92d8f b6e197e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 57.657933] lkdtm: Performing direct entry WARNING # [ 57.663822] ------------[ cut here ]------------ # [ 57.671604] WARNING: CPU: 1 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 57.683096] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 57.715084] CPU: 1 PID: 772 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 57.725803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 57.735452] Backtrace: # [ 57.741034] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 57.751720] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 57.760504] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 57.770939] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 57.781018] r9:00000009 r8:c0c58ad4 r7:00000053 r6:00000009 r5:c0c58ad4 r4:c1ad6474 # [ 57.791884] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 57.802488] r7:00000053 r6:c1ad6474 r5:00000000 r4:c5e90000 # [ 57.811274] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 57.822485] r9:c1ad5dbc r8:c15ebd54 r7:c5e91f60 r6:00000008 r5:c6816000 r4:00000002 # [ 57.833352] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 57.844392] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 57.855526] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 57.866560] r9:c5e91f60 r8:c526b300 r7:00000008 r6:b6e23000 r5:c693d540 r4:c0c588e8 # [ 57.877433] [[ 58.417598] lkdtm: Performing direct entry WARNING_MESSAGE 0d0>] (full_proxy_write) from [[ 58.423797] ------------[ cut here ]------------ 059bdac>] (vfs_write+0x10c/0x53c)<4>[ 58.431661] WARNING: CPU: 1 PID: 808 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 57.888376] r9:c07e20d0 r<4>[ 58.443825] Warning message trigger count: 2 8:c5e91f60 r7:c290d000 r6:b6e2300<4>[ 58.451173] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 0 r5:c693d540 r4:00000000 # [ <4>[ 58.483142] CPU: 1 PID: 808 Comm: cat Tainted: G D W 5.10.211-cip44 #1 57.899243] [] (vfs_writ<4>[ 58.493877] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e) from [] (ksys_write+<4>[ 58.503526] Backtrace: 0x74/0xec) # [ 57.909503] r10<4>[ 58.509112] [] (dump_backtrace) from [] (show_stack+0x20/0x24) :00000004 r9:00000000 r8:00000000<4>[ 58.519794] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 r7:b6e23000 r6:c5e90000 r5:c693d<4>[ 58.528581] [] (show_stack) from [] (dump_stack+0xe0/0x100) 540 # [ 57.920450] r4:c693d54<4>[ 58.539016] [] (dump_stack) from [] (__warn+0x98/0x14c) 0 # [ 57.926113] [] <4>[ 58.549095] r9:00000009 r8:c0c58b24 r7:00000058 r6:00000009 r5:c0c58b24 r4:c1ad6474 (ksys_write) from [] (s<4>[ 58.559962] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ys_write+0x18/0x1c) # [ 57.936<4>[ 58.570563] r7:00000058 r6:c1ad6474 r5:c1ad6490 r4:c6954000 371] r9:c5e90000 r8:c03002e4 r7:<4>[ 58.579351] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 00000004 r6:b6f6ae00 r5:00000008 <4>[ 58.591255] r9:c1ad5dc4 r8:c15ebd54 r7:c6955f60 r6:00000010 r5:c6816000 r4:00000003 r4:00000008 # [ 57.947240] [[ 58.602123] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 059c3d0>] (sys_write) from [[ 58.613857] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 00c0>] (ret_fast_syscall+0x0/0x28<4>[ 58.624989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ) # [ 57.957925] Exception sta<4>[ 58.636023] r9:c6955f60 r8:c526b300 r7:00000010 r6:b6e7a000 r5:c6c6d540 r4:c0c588e8 ck(0xc5e91fa8 to 0xc5e91ff0) # [<4>[ 58.646897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 57.966107] 1fa0: <4>[ 58.657843] r9:c07e20d0 r8:c6955f60 r7:c290d000 r6:b6e7a000 r5:c6c6d540 r4:00000000 00000008 00000008 00000001 b<4>[ 58.668710] [] (vfs_write) from [] (ksys_write+0x74/0xec) 6e23000 00000008 00000000 # [ <4>[ 58.678968] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c6954000 r5:c6c6d540 57.977319] 1fc0: 00000008 0000000<4>[ 58.689916] r4:c6c6d540 8 b6f6ae00 00000004 00000001 0000<4>[ 58.695580] [] (ksys_write) from [] (sys_write+0x18/0x1c) 0000 00020000 bed67ac4 # [ 57.<4>[ 58.705840] r9:c6954000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000010 r4:00000010 985765] 1fe0: 00000004 bed677f8 b<4>[ 58.716711] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 6ed4d8f b6e5b7e6 # [ 57.993988<4>[ 58.727397] Exception stack(0xc6955fa8 to 0xc6955ff0) ] irq event stamp: 0 # [ 58.00<4>[ 58.735576] 5fa0: 00000010 00000010 00000001 b6e7a000 00000010 00000000 0123] hardirqs last enabled at (<4>[ 58.746877] 5fc0: 00000010 00000010 b6fc1e00 00000004 00000001 00000000 00020000 bedcaac4 0): [<00000000>] 0x0 # [ 58.00<4>[ 58.758175] 5fe0: 00000004 bedca7f8 b6f2bd8f b6eb27e6 8843] hardirqs last disabled at (<4>[ 58.766395] irq event stamp: 0 0): [] copy_process+0x5<4>[ 58.772563] hardirqs last enabled at (0): [<00000000>] 0x0 f8/0x1dac # [ 58.019452] softi<4>[ 58.781263] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac rqs last enabled at (0): [[ 58.791869] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 8f4>] copy_process+0x5f8/0x1dac <4>[ 58.802474] softirqs last disabled at (0): [<00000000>] 0x0 # [ 58.030051] softirqs last di<4>[ 58.811167] ---[ end trace 02faea3b7f43df27 ]--- sabled at (0): [<00000000>] 0x0 # [ 58.038750] ---[ end trace 02faea3b7f43df26 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 58.417598] lkdtm: Performing direct entry WARNING_MESSAGE # [ 58.423797] ------------[ cut here ]------------ # [ 58.431661] WARNING: CPU: 1 PID: 808 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 58.443825] Warning message trigger count: 2 # [ 58.451173] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 58.483142] CPU: 1 PID: 808 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 58.493877] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 58.503526] Backtrace: # [ 58.509112] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 58.519794] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 58.528581] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 58.539016] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 58.549095] r9:00000009 r8:c0c58b24 r7:00000058 r6:00000009 r5:c0c58b24 r4:c1ad6474 # [ 58.559962] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 58.570563] r7:00000058 r6:c1ad6474 r5:c1ad6490 r4:c6954000 # [ 58.579351] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 58.591255] r9:c1ad5dc4 r8:c15ebd54 r7:c6955f60 r6:00000010 r5:c6816000 r4:00000003 # [ 58.602123] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 58.613857] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 58.624989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 58.636023] r9:c6955f60 r8:c526b300 r7:00000010 r6:b6e7a000 r5:c6c6d540 r4:c0c588e8 # [ 58.646897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 58.657843] r9:c07e20d0 r8:c6955f60 r7:c290d000 r6:b6e7a000 r5:c6c6d540 r4:00000000 # [ 58.668710] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 58.678968] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c6954000 r5:c6c6d540 # [ 58.689916] r4:c6c6d540 # [ 58.695580] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 58.705840] r9:c6954000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000010 r4:00000010 # [ 58.716711] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 58.727397] Exception stack(0xc6955fa8 to 0xc6955ff0) # [ 58.735576] 5fa0: 00000010 00000010 00000001 b6e7a000 00000010 00000000 # [ 58.746877] 5fc0: 00000010 00000010 b6fc1e00 00000004 00000001 00000000 00020000 bedcaac4 # [ 58.758175] 5fe0: 00000004 bedca7f8 b6f2bd8f b6eb27e6 # [ 58.766395] irq event stamp: 0 # [ 58.772563] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 58.781263] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 58.791869] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 58.802474] softirqs last disabled at (0): [<00000000>] 0x0 # [ 58.811167] ---[ end trace 02faea3b7f43df27 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # sel<6>[ 59.161798] lkdtm: Performing direct entry EXCEPTION ftests: lkdtm: EXCEPTION.sh <1>[ 59.167996] 8<--- cut here --- <1>[ 59.173908] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 59.182312] pgd = f25e30b7 <1>[ 59.185298] [00000000] *pgd=00000000 <0>[ 59.189167] Internal error: Oops: 805 [#2] SMP ARM <4>[ 59.194240] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 59.223773] CPU: 2 PID: 841 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 59.231714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 59.238541] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 59.243274] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 59.248004] pc : [] lr : [] psr: a00e0013 <4>[ 59.254554] sp : c5f4fe58 ip : c5f4fe68 fp : c5f4fe64 <4>[ 59.260062] r10: 0000000a r9 : c1ad5dd4 r8 : c15ebd54 <4>[ 59.265572] r7 : c5f4ff60 r6 : 0000000a r5 : c6d40000 r4 : 00000004 <4>[ 59.272380] r3 : 00000000 r2 : b947460e r1 : ef7ab5e0 r0 : c15ebd74 <4>[ 59.279194] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 59.286616] Control: 10c5387d Table: 16d5404a DAC: 00000051 <0>[ 59.292667] Process cat (pid: 841, stack limit = 0x48c97939) <0>[ 59.298613] Stack: (0xc5f4fe58 to 0xc5f50000) <0>[ 59.303260] fe40: c5f4fe74 c5f4fe68 <0>[ 59.311733] fe60: c0c58508 c0c58b38 c5f4fe9c c5f4fe78 c0c58a08 c0c584e8 c0c588e8 c6d59540 <0>[ 59.320207] fe80: b6e1b000 0000000a c526b300 c5f4ff60 c5f4fec4 c5f4fea0 c07e2134 c0c588f4 <0>[ 59.328680] fea0: 00000000 c6d59540 b6e1b000 c290d000 c5f4ff60 c07e20d0 c5f4ff5c c5f4fec8 <0>[ 59.337150] fec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5f4e000 <0>[ 59.345620] fee0: b6e1b000 00020000 00000004 0000000a 0001fff6 c5f4fee0 00000001 b6e1a000 <0>[ 59.354089] ff00: c68908c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 59.362558] ff20: 00000000 00000000 c13e0ab0 b947460e c206c1a0 c6d59540 c6d59540 c5f4e000 <0>[ 59.371030] ff40: b6e1b000 00000000 00000000 00000004 c5f4ff94 c5f4ff60 c059c358 c059bcac <0>[ 59.379499] ff60: 00000000 00000000 c5f4ffac b947460e 0000000a 0000000a b6f62e00 00000004 <0>[ 59.387970] ff80: c03002e4 c5f4e000 c5f4ffa4 c5f4ff98 c059c3e8 c059c2f0 00000000 c5f4ffa8 <0>[ 59.396438] ffa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 <0>[ 59.404906] ffc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be979ac4 <0>[ 59.413375] ffe0: 00000004 be9797f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 <0>[ 59.421830] Backtrace: <0>[ 59.424590] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 59.432978] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 59.441290] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 59.449508] r9:c5f4ff60 r8:c526b300 r7:0000000a r6:b6e1b000 r5:c6d59540 r4:c0c588e8 <0>[ 59.457561] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 59.465687] r9:c07e20d0 r8:c5f4ff60 r7:c290d000 r6:b6e1b000 r5:c6d59540 r4:00000000 <0>[ 59.473727] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 59.481158] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5f4e000 r5:c6d59540 <0>[ 59.489270] r4:c6d59540 <0>[ 59.492101] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 59.499531] r9:c5f4e000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000000a r4:0000000a <0>[ 59.507573] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 59.515425] Exception stack(0xc5f4ffa8 to 0xc5f4fff0) <0>[ 59.520770] ffa0: 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 <0>[ 59.529240] ffc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be979ac4 <0>[ 59.537706] ffe0: 00000004 be9797f8 b6eccd8f b6e537e6 <0>[ 59.543052] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 59.549612] ---[ end trace 02faea3b7f43df28 ]--- # Segmentation fault # [ 59.161798] lkdtm: Performing direct entry EXCEPTION # [ 59.167996] 8<--- cut here --- # [ 59.173908] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 59.182312] pgd = f25e30b7 # [ 59.185298] [00000000] *pgd=00000000 # [ 59.189167] Internal error: Oops: 805 [#2] SMP ARM # [ 59.194240] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 59.223773] CPU: 2 PID: 841 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 59.231714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 59.238541] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 59.243274] LR is at lkdtm_do_action+0x2c/0x4c # [ 59.248004] pc : [] lr : [] psr: a00e0013 # [ 59.254554] sp : c5f4fe58 ip : c5f4fe68 fp : c5f4fe64 # [ 59.260062] r10: 0000000a r9 : c1ad5dd4 r8 : c15ebd54 # [ 59.265572] r7 : c5f4ff60 r6 : 0000000a r5 : c6d40000 r4 : 00000004 # [ 59.272380] r3 : 00000000 r2 : b947460e r1 : ef7ab5e0 r0 : c15ebd74 # [ 59.279194] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 59.286616] Control: 10c5387d Table: 16d5404a DAC: 00000051 # [ 59.292667] Process cat (pid: 841, stack limit = 0x48c97939) # [ 59.298613] Stack: (0xc5f4fe58 to 0xc5f50000) # [ 59.303260] fe40: c5f4fe74 c5f4fe68 # [ 59.311733] fe60: c0c58508 c0c58b38 c5f4fe9c c5f4fe78 c0c58a08 c0c584e8 c0c588e8 c6d59540 # [ 59.320207] fe80: b6e1b000 0000000a c526b300 c5f4ff60 c5f4fec4 c5f4fea0 c07e2134 c0c588f4 # [ 59.328680] fea0: 00000000 c6d59540 b6e1b000 c290d000 c5f4ff60 c07e20d0 c5f4ff5c c5f4fec8 # [ 59.337150] fec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5f4e000 # [ 59.345620] fee0: b6e1b000 00020000 00000004 0000000a 0001fff6 c5f4fee0 00000001 b6e1a000 # [ 59.354089] ff00: c68908c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 59.362558] ff20: 00000000 00000000 c13e0ab0 b947460e c206c1a0 c6d59540 c6d59540 c5f4e000 # [ 59.371030] ff40: b6e1b000 00000000 00000000 00000004 c5f4ff94 c5f4ff60 c059c358 c059bcac # [ 59.379499] ff60: 00000000 00000000 c5f4ffac b947460e 0000000a 0000000a b6f62e00 00000004 # [ 59.387970] ff80: c03002e4 c5f4e000 c5f4ffa4 c5f4ff98 c059c3e8 c059c2f0 00000000 c5f4ffa8 # [ 59.396438] ffa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 # [ 59.404906] ffc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be979ac4 # [ 59.413375] ffe0: 00000004 be9797f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 # [ 59.421830] Backtrace: # [ 59.424590] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 59.432978] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 59.441290] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 59.449508] r9:c5f4ff60 r8:c526b300 r7:0000000a r6:b6e1b000 r5:c6d59540 r4:c0c588e8 # [ 59.457561] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 59.465687] r9:c07e20d0 r8:c5f4ff60 r7:c290d000 r6:b6e1b000 r5:c6d59540 r4:00000000 # [ 59.473727] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 59.481158] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5f4e000 r5:c6d59540 # [ 59.489270] r4:c6d59540 # [ 59.492101] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 59.499531] r9:c5f4e000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000000a r4:0000000a # [ 59.507573] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 59.515425] Exception stack(0xc5f4ffa8 to 0xc5f4fff0) # [ 59.520770] ffa0: 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 # [ 59.529240] ffc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be979ac4 # [ 59.537706] ffe0: 00000004 be9797f8 b6eccd8f b6e537e6 # [ 59.543052] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 59.549612] ---[ end trace 02faea3b7f43df28 ]--- # 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>[ 60.726575] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 60.732496] lkdtm: attempting good list addition <6>[ 60.737389] lkdtm: attempting corrupted list addition <3>[ 60.742812] lkdtm: list_add() corruption not detected! # [ 60.726575] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 60.732496] lkdtm: attempting good list addition # [ 60.737389] lkdtm: attempting corrupted list addition # [ 60.742812] 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>[ 61.100909] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 61.106813] lkdtm: attempting good list removal <6>[ 61.111716] lkdtm: attempting corrupted list removal <3>[ 61.117010] lkdtm: list_del() corruption not detected! # [ 61.100909] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 61.106813] lkdtm: attempting good list removal # [ 61.111716] lkdtm: attempting corrupted list removal # [ 61.117010] 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>[ 61.473541] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 61.480095] lkdtm: attempting bad read from page below current stack <3>[ 61.486852] lkdtm: FAIL: accessed page before stack! (byte: e7) # [ 61.473541] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 61.480095] lkdtm: attempting bad read from page below current stack # [ 61.486852] lkdtm: FAIL: accessed page before stack! (byte: e7) # 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>[ 61.836878] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 61.843637] lkdtm: attempting bad read from page above current stack <3>[ 61.850293] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 61.836878] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 61.843637] lkdtm: attempting bad read from page above current stack # [ 61.850293] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 62.212517] lkdtm: Performing direct entry UNSET_SMEP <3>[ 62.217880] lkdtm: XFAIL: this test is x86_64-only # [ 62.212517] lkdtm: Performing direct entry UNSET_SMEP # [ 62.217880] 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>[ 62.552825] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 62.558337] lkdtm: XFAIL: this test is ia32-only # [ 62.552825] lkdtm: Performing direct entry DOUBLE_FAULT # [ 62.558337] 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>[ 62.913073] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 62.918498] lkdtm: XFAIL: this test is arm64-only # [ 62.913073] lkdtm: Performing direct entry CORRUPT_PAC # [ 62.918498] 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>[ 63.270618] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 63.277391] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 63.270618] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 63.277391] 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>[ 63.984407] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 63.990182] lkdtm: Value in memory before free: 12345678 <6>[ 63.995859] lkdtm: Attempting bad read from freed memory <6>[ 64.001532] lkdtm: Memory was not poisoned # [ 63.984407] lkdtm: Performing direct entry READ_AFTER_FREE # [ 63.990182] lkdtm: Value in memory before free: 12345678 # [ 63.995859] lkdtm: Attempting bad read from freed memory # [ 64.001532] 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>[ 64.547579] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 64.554024] lkdtm: Value in memory before free: 12345678 <6>[ 64.559640] lkdtm: Attempting to read from freed memory <6>[ 64.565197] lkdtm: Buddy page was not poisoned # [ 64.547579] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 64.554024] lkdtm: Value in memory before free: 12345678 # [ 64.559640] lkdtm: Attempting to read from freed memory # [ 64.565197] 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>[ 64.911513] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 64.917387] lkdtm: Attempting double slab free ... # [ 64.911513] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 64.917387] 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>[ 65.270001] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 65.276010] lkdtm: Attempting cross-cache slab free ... # [ 65.270001] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 65.276010] 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>[ 65.626489] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 65.632240] lkdtm: Attempting non-Slab slab free ... # [ 65.626489] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 65.632240] 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>[ 66.743040] lkdtm: Performing direct entry EXEC_DATA <6>[ 66.748293] lkdtm: attempting ok execution at c0c59278 <6>[ 66.753809] lkdtm: attempting bad execution at c27069e4 <1>[ 66.759316] 8<--- cut here --- <1>[ 66.762643] Unable to handle kernel paging request at virtual address c27069e4 <1>[ 66.770138] pgd = 0edf5c81 <1>[ 66.773116] [c27069e4] *pgd=1261141e(bad) <0>[ 66.777415] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 66.782912] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 66.812252] CPU: 1 PID: 1709 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 66.820263] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 66.827069] PC is at data_area+0x0/0x40 <4>[ 66.831183] LR is at execute_location+0xa4/0xb4 <4>[ 66.835985] pc : [] lr : [] psr: 600e0013 <4>[ 66.842520] sp : c4125e38 ip : 00000027 fp : c4125e54 <4>[ 66.848014] r10: 0000000a r9 : c1ad5fb8 r8 : c15ebd54 <4>[ 66.853507] r7 : c4125f60 r6 : 00000001 r5 : c27069e4 r4 : c0c59278 <4>[ 66.860303] r3 : 038f5be1 r2 : 038f5be1 r1 : ef7965e4 r0 : 0000002b <4>[ 66.867100] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 66.874503] Control: 10c5387d Table: 1682004a DAC: 00000051 <0>[ 66.880518] Process cat (pid: 1709, stack limit = 0xf7a483d5) <0>[ 66.886535] Stack: (0xc4125e38 to 0xc4126000) <0>[ 66.891164] 5e20: 0000001f c6859000 <0>[ 66.899616] 5e40: 0000000a c4125f60 c4125e64 c4125e58 c13cb6b8 c13cb4b4 c4125e74 c4125e68 <0>[ 66.908066] 5e60: c0c58508 c13cb6a0 c4125e9c c4125e78 c0c58a08 c0c584e8 c0c588e8 c6c57680 <0>[ 66.916518] 5e80: b6e20000 0000000a c526b300 c4125f60 c4125ec4 c4125ea0 c07e2134 c0c588f4 <0>[ 66.924970] 5ea0: 00000000 c6c57680 b6e20000 c290d000 c4125f60 c07e20d0 c4125f5c c4125ec8 <0>[ 66.933419] 5ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c4124000 <0>[ 66.941869] 5ee0: b6e20000 00020000 00000004 0000000a 0001fff6 c4125ee0 00000001 b6e1f000 <0>[ 66.950319] 5f00: c41cd900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 66.958769] 5f20: 00000000 00000000 c13e0ab0 038f5be1 c206c1a0 c6c57680 c6c57680 c4124000 <0>[ 66.967219] 5f40: b6e20000 00000000 00000000 00000004 c4125f94 c4125f60 c059c358 c059bcac <0>[ 66.975669] 5f60: 00000000 00000000 c4125fac 038f5be1 0000000a 0000000a b6f67e00 00000004 <0>[ 66.984119] 5f80: c03002e4 c4124000 c4125fa4 c4125f98 c059c3e8 c059c2f0 00000000 c4125fa8 <0>[ 66.992569] 5fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e20000 0000000a 00000000 <0>[ 67.001018] 5fc0: 0000000a 0000000a b6f67e00 00000004 00000001 00000000 00020000 bec7dac4 <0>[ 67.009466] 5fe0: 00000004 bec7d7f8 b6ed1d8f b6e587e6 800e0030 00000001 00000000 00000000 <0>[ 67.017909] Backtrace: <0>[ 67.020642] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 67.029093] r7:c4125f60 r6:0000000a r5:c6859000 r4:0000001f <0>[ 67.035032] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.043397] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 67.051681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 67.059871] r9:c4125f60 r8:c526b300 r7:0000000a r6:b6e20000 r5:c6c57680 r4:c0c588e8 <0>[ 67.067894] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 67.075997] r9:c07e20d0 r8:c4125f60 r7:c290d000 r6:b6e20000 r5:c6c57680 r4:00000000 <0>[ 67.084014] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 67.091421] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c4124000 r5:c6c57680 <0>[ 67.099519] r4:c6c57680 <0>[ 67.102327] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 67.109735] r9:c4124000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000000a r4:0000000a <0>[ 67.117755] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 67.125593] Exception stack(0xc4125fa8 to 0xc4125ff0) <0>[ 67.130918] 5fa0: 0000000a 0000000a 00000001 b6e20000 0000000a 00000000 <0>[ 67.139369] 5fc0: 0000000a 0000000a b6f67e00 00000004 00000001 00000000 00020000 bec7dac4 <0>[ 67.147816] 5fe0: 00000004 bec7d7f8 b6ed1d8f b6e587e6 <0>[ 67.153142] Code: 00000000 c5b7d0c0 c5b7d180 c5b7d240 (e1a0c00d) <4>[ 67.159510] ---[ end trace 02faea3b7f43df29 ]--- # Segmentation fault # [ 66.743040] lkdtm: Performing direct entry EXEC_DATA # [ 66.748293] lkdtm: attempting ok execution at c0c59278 # [ 66.753809] lkdtm: attempting bad execution at c27069e4 # [ 66.759316] 8<--- cut here --- # [ 66.762643] Unable to handle kernel paging request at virtual address c27069e4 # [ 66.770138] pgd = 0edf5c81 # [ 66.773116] [c27069e4] *pgd=1261141e(bad) # [ 66.777415] Internal error: Oops: 8000000d [#3] SMP ARM # [ 66.782912] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 66.812252] CPU: 1 PID: 1709 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 66.820263] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.827069] PC is at data_area+0x0/0x40 # [ 66.831183] LR is at execute_location+0xa4/0xb4 # [ 66.835985] pc : [] lr : [] psr: 600e0013 # [ 66.842520] sp : c4125e38 ip : 00000027 fp : c4125e54 # [ 66.848014] r10: 0000000a r9 : c1ad5fb8 r8 : c15ebd54 # [ 66.853507] r7 : c4125f60 r6 : 00000001 r5 : c27069e4 r4 : c0c59278 # [ 66.860303] r3 : 038f5be1 r2 : 038f5be1 r1 : ef7965e4 r0 : 0000002b # [ 66.867100] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.874503] Control: 10c5387d Table: 1682004a DAC: 00000051 # [ 66.880518] Process cat (pid: 1709, stack limit = 0xf7a483d5) # [ 66.886535] Stack: (0xc4125e38 to 0xc4126000) # [ 66.891164] 5e20: 0000001f c6859000 # [ 66.899616] 5e40: 0000000a c4125f60 c4125e64 c4125e58 c13cb6b8 c13cb4b4 c4125e74 c4125e68 # [ 66.908066] 5e60: c0c58508 c13cb6a0 c4125e9c c4125e78 c0c58a08 c0c584e8 c0c588e8 c6c57680 # [ 66.916518] 5e80: b6e20000 0000000a c526b300 c4125f60 c4125ec4 c4125ea0 c07e2134 c0c588f4 # [ 66.924970] 5ea0: 00000000 c6c57680 b6e20000 c290d000 c4125f60 c07e20d0 c4125f5c c4125ec8 # [ 66.933419] 5ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c4124000 # [ 66.941869] 5ee0: b6e20000 00020000 00000004 0000000a 0001fff6 c4125ee0 00000001 b6e1f000 # [ 66.950319] 5f00: c41cd900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.958769] 5f20: 00000000 00000000 c13e0ab0 038f5be1 c206c1a0 c6c57680 c6c57680 c4124000 # [ 66.967219] 5f40: b6e20000 00000000 00000000 00000004 c4125f94 c4125f60 c059c358 c059bcac # [ 66.975669] 5f60: 00000000 00000000 c4125fac 038f5be1 0000000a 0000000a b6f67e00 00000004 # [ 66.984119] 5f80: c03002e4 c4124000 c4125fa4 c4125f98 c059c3e8 c059c2f0 00000000 c4125fa8 # [ 66.992569] 5fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e20000 0000000a 00000000 # [ 67.001018] 5fc0: 0000000a 0000000a b6f67e00 00000004 00000001 00000000 00020000 bec7dac4 # [ 67.009466] 5fe0: 00000004 bec7d7f8 b6ed1d8f b6e587e6 800e0030 00000001 00000000 00000000 # [ 67.017909] Backtrace: # [ 67.020642] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 67.029093] r7:c4125f60 r6:0000000a r5:c6859000 r4:0000001f # [ 67.035032] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.043397] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.051681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.059871] r9:c4125f60 r8:c526b300 r7:0000000a r6:b6e20000 r5:c6c57680 r4:c0c588e8 # [ 67.067894] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.075997] r9:c07e20d0 r8:c4125f60 r7:c290d000 r6:b6e20000 r5:c6c57680 r4:00000000 # [ 67.084014] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.091421] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c4124000 r5:c6c57680 # [ 67.099519] r4:c6c57680 # [ 67.102327] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.109735] r9:c4124000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000000a r4:0000000a # [ 67.117755] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.125593] Exception stack(0xc4125fa8 to 0xc4125ff0) # [ 67.130918] 5fa0: 0000000a 0000000a 00000001 b6e20000 0000000a 00000000 # [ 67.139369] 5fc0: 0000000a 0000000a b6f67e00 00000004 00000001 00000000 00020000 bec7dac4 # [ 67.147816] 5fe0: 00000<6>[ 67.647961] lkdtm: Performing direct entry EXEC_STACK 004 bec7d7f8 b6ed1d8f b6e587e6 #<6>[ 67.654005] lkdtm: attempting ok execution at c0c59278 [ 67.153142] Code: 00000000 c5<6>[ 67.662300] lkdtm: attempting bad execution at c5e91e0c b7d0c0 c5b7d180 c5b7d240 (e1a0c00<1>[ 67.670561] 8<--- cut here --- d) # [ <617>.[1 5 96571.06]76717] Unable to handle kernel paging request at virtual address c5e91e0c ---[ end tra [0 2 f a6e7a.3686023] pgd = 2a741661 7f43df29 ]--- # EXEC_DATA:< 1m>i 67.690899] [c5e91e0c] *pgd=15e1141e(bad) ssing 'call trac'[: [ F6A7.697690] Internal error: Oops: 8000000d [#4] SMP ARM L] not ok 30 selftests: lkdtm: E<4>[ 67.705254] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 XEC_DATA.sh # exi1[ # 6s.737219] CPU: 3 PID: 1786 Comm: cat Tainted: G D W 5.10.211-cip44 #1 elftests<:4 >l[k d t m6:7 .7E4X7E98] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) C_STACK.sh <4>[ 67.755741] PC is at 0xc5e91e0c <4>[ 67.760186] LR is at execute_location+0xa4/0xb4 <4>[ 67.764983] pc : [] lr : [] psr: 600e0013 <4>[ 67.771515] sp : c5e91de8 ip : 00000027 fp : c5e91e04 <4>[ 67.777005] r10: 0000000b r9 : c1ad5fc4 r8 : c15ebd54 <4>[ 67.782495] r7 : c5e91f60 r6 : 00000001 r5 : c5e91e0c r4 : c0c59278 <4>[ 67.789288] r3 : bd8c7ed8 r2 : bd8c7ed8 r1 : ef7c05e4 r0 : 0000002b <4>[ 67.796082] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 67.803483] Control: 10c5387d Table: 16d0404a DAC: 00000051 <0>[ 67.809494] Process cat (pid: 1786, stack limit = 0x5f12a6b8) <0>[ 67.815506] Stack: (0xc5e91de8 to 0xc5e92000) <0>[ 67.820134] 1de0: c5e90000 c6aab000 0000000b c5e91f60 c5e91e64 c5e91e08 <0>[ 67.828582] 1e00: c13cb6f4 c13cb4b4 c5e91e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 67.837027] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8 <0>[ 67.845474] 1e40: e3a02040 e3a01d33 e5930018 bd8c7ed8 0000000b 00000020 c5e91e74 c5e91e68 <0>[ 67.853919] 1e60: c0c58508 c13cb6c8 c5e91e9c c5e91e78 c0c58a08 c0c584e8 c0c588e8 c41cdb80 <0>[ 67.862365] 1e80: b6de3000 0000000b c526b300 c5e91f60 c5e91ec4 c5e91ea0 c07e2134 c0c588f4 <0>[ 67.870812] 1ea0: 00000000 c41cdb80 b6de3000 c290d000 c5e91f60 c07e20d0 c5e91f5c c5e91ec8 <0>[ 67.879258] 1ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c4121664 c059c358 c5e90000 <0>[ 67.887704] 1ee0: b6de3000 00020000 00000004 0000000b 0001fff5 c5e91ee0 00000001 00000805 <0>[ 67.896148] 1f00: c449c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 67.904593] 1f20: 00000000 00000000 c5e90000 bd8c7ed8 b6de2000 c41cdb80 c41cdb80 c5e90000 <0>[ 67.913039] 1f40: b6de3000 00000000 00000000 00000004 c5e91f94 c5e91f60 c059c358 c059bcac <0>[ 67.921484] 1f60: 00000000 00000000 c5e91fac bd8c7ed8 0000000b 0000000b b6f2ae00 00000004 <0>[ 67.929930] 1f80: c03002e4 c5e90000 c5e91fa4 c5e91f98 c059c3e8 c059c2f0 00000000 c5e91fa8 <0>[ 67.938376] 1fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6de3000 0000000b 00000000 <0>[ 67.946823] 1fc0: 0000000b 0000000b b6f2ae00 00000004 00000001 00000000 00020000 be98cac4 <0>[ 67.955271] 1fe0: 00000004 be98c7f8 b6e94d8f b6e1b7e6 800e0030 00000001 00000000 00000000 <0>[ 67.963712] Backtrace: <0>[ 67.966443] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 67.974979] r7:c5e91f60 r6:0000000b r5:c6aab000 r4:c5e90000 <0>[ 67.980912] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.989355] r4:00000020 <0>[ 67.992160] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 68.000441] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 68.008626] r9:c5e91f60 r8:c526b300 r7:0000000b r6:b6de3000 r5:c41cdb80 r4:c0c588e8 <0>[ 68.016645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 68.024743] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6de3000 r5:c41cdb80 r4:00000000 <0>[ 68.032757] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 68.040162] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c5e90000 r5:c41cdb80 <0>[ 68.048257] r4:c41cdb80 <0>[ 68.051063] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 68.058469] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6f2ae00 r5:0000000b r4:0000000b <0>[ 68.066485] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 68.074321] Exception stack(0xc5e91fa8 to 0xc5e91ff0) <0>[ 68.079643] 1fa0: 0000000b 0000000b 00000001 b6de3000 0000000b 00000000 <0>[ 68.088089] 1fc0: 0000000b 0000000b b6f2ae00 00000004 00000001 00000000 00020000 be98cac4 <0>[ 68.096532] 1fe0: 00000004 be98c7f8 b6e94d8f b6e1b7e6 <0>[ 68.101854] Code: c5e91e08 c13cb6f4 c13cb4b4 c5e91e6c (e1a0c00d) <4>[ 68.108217] ---[ end trace 02faea3b7f43df2a ]--- # Segmentation fault # [ 67.647961] lkdtm: Performing direct entry EXEC_STACK # [ 67.654005] lkdtm: attempting ok execution at c0c59278 # [ 67.662300] lkdtm: attempting bad execution at c5e91e0c # [ 67.670561] 8<--- cut here --- # [ 67.676717] Unable to handle kernel paging request at virtual address c5e91e0c # [ 67.686023] pgd = 2a741661 # [ 67.690899] [c5e91e0c] *pgd=15e1141e(bad) # [ 67.697690] Internal error: Oops: 8000000d [#4] SMP ARM # [ 67.705254] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 67.737219] CPU: 3 PID: 1786 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 67.747298] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.755741] PC is at 0xc5e91e0c # [ 67.760186] LR is at execute_location+0xa4/0xb4 # [ 67.764983] pc : [] lr : [] psr: 600e0013 # [ 67.771515] sp : c5e91de8 ip : 00000027 fp : c5e91e04 # [ 67.777005] r10: 0000000b r9 : c1ad5fc4 r8 : c15ebd54 # [ 67.782495] r7 : c5e91f60 r6 : 00000001 r5 : c5e91e0c r4 : c0c59278 # [ 67.789288] r3 : bd8c7ed8 r2 : bd8c7ed8 r1 : ef7c05e4 r0 : 0000002b # [ 67.796082] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 67.803483] Control: 10c5387d Table: 16d0404a DAC: 00000051 # [ 67.809494] Process cat (pid: 1786, stack limit = 0x5f12a6b8) # [ 67.815506] Stack: (0xc5e91de8 to 0xc5e92000) # [ 67.820134] 1de0: c5e90000 c6aab000 0000000b c5e91f60 c5e91e64 c5e91e08 # [ 67.828582] 1e00: c13cb6f4 c13cb4b4 c5e91e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 67.837027] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8 # [ 67.845474] 1e40: e3a02040 e3a01d33 e5930018 bd8c7ed8 0000000b 00000020 c5e91e74 c5e91e68 # [ 67.853919] 1e60: c0c58508 c13cb6c8 c5e91e9c c5e91e78 c0c58a08 c0c584e8 c0c588e8 c41cdb80 # [ 67.862365] 1e80: b6de3000 0000000b c526b300 c5e91f60 c5e91ec4 c5e91ea0 c07e2134 c0c588f4 # [ 67.870812] 1ea0: 00000000 c41cdb80 b6de3000 c290d000 c5e91f60 c07e20d0 c5e91f5c c5e91ec8 # [ 67.879258] 1ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c4121664 c059c358 c5e90000 # [ 67.887704] 1ee0: b6de3000 00020000 00000004 0000000b 0001fff5 c5e91ee0 00000001 00000805 # [ 67.896148] 1f00: c449c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.904593] 1f20: 00000000 00000000 c5e90000 bd8c7ed8 b6de2000 c41cdb80 c41cdb80 c5e90000 # [ 67.913039] 1f40: b6de3000 00000000 00000000 00000004 c5e91f94 c5e91f60 c059c358 c059bcac # [ 67.921484] 1f60: 00000000 00000000 c5e91fac bd8c7ed8 0000000b 0000000b b6f2ae00 00000004 # [ 67.929930] 1f80: c03002e4 c5e90000 c5e91fa4 c5e91f98 c059c3e8 c059c2f0 00000000 c5e91fa8 # [ 67.938376] 1fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6de3000 0000000b 00000000 # [ 67.946823] 1fc0: 0000000b 0000000b b6f2ae00 00000004 00000001 00000000 00020000 be98cac4 # [ 67.955271] 1fe0: 00000004 be98c7f8 b6e94d8f b6e1b7e6 800e0030 00000001 00000000 00000000 # [ 67.963712] Backtrace: # [ 67.966443] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 67.974979] r7:c5e91f60 r6:0000000b r5:c6aab000 r4:c5e90000 # [ 67.980912] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.989355] r4:00000020 # [ 67.992160] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.000441] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.008626] r9:c5e91f60 r8:c526b300 r7:0000000b r6:b6de3000 r5:c41cdb80 r4:c0c588e8 # [ 68.016645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 68.024743] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6de3000 r5:c41cdb80 r4:00000000 # [ 68.032757] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.040162] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c5e90000 r5:c41cdb80 # [ 68.048257] r4:c41cdb80 # [ 68.051063] [] (ksys_write) from [] (sys_wri<6>[ 68.596317] lkdtm: Performing direct entry EXEC_KMALLOC te+0x18/0x1c) # [ 68.058469] <6>[ 68.602789] lkdtm: attempting ok execution at c0c59278 r9:c5e90000 r8:c03002e4< 6r>7[: 0 68.610972] lkdtm: attempting bad execution at c6a7e000 0000004 r6:b6f2ae00 r5:0000000b r<1>[ 68.618934] 8<--- cut here --- 4:0000000b # [ < 16>8[. 0 6 664.624984] Unable to handle kernel paging request at virtual address c6a7e000 85] [] (s_[w r i t8.634547] pgd = 2f01c052 e) from [] (ret_fast_sy<1>[ 68.639679] [c6a7e000] *pgd=16a1141e(bad) scall+0x0/0x28) # [ <608>.[0 7 68.646813] Internal error: Oops: 8000000d [#5] SMP ARM 4321] Exception stack(0xc5e91fa8 <4>[ 68.654634] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 to 0xc5e91ff0) # [ 6<84.>0[7 9 68.686594] CPU: 2 PID: 1866 Comm: cat Tainted: G D W 5.10.211-cip44 #1 643] 1fa0: < 4 > [ 6 8 .696930] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000b 00000000[0 0 068.705716] PC is at 0xc6a7e000 0001 b6de3000 0000000b 00000<040>[ 68.711376] LR is at execute_location+0xa4/0xb4 # [ 68.088089]< 41>f[c 0 : 68.718757] pc : [] lr : [] psr: 600e0013 000000b 0000000b< 4b>6[f 2 a e608.727448] sp : c463de30 ip : c463dd38 fp : c463de4c 00000004 00<040>0[0 0 1 6080.0735010] r10: 0000000d r9 : c1ad5fd0 r8 : c15ebd54 0000 00020000 [9 8 c a6c84. 42402] r7 : c463df60 r6 : 00000001 r5 : c6a7e000 r4 : c0c59278 # [ 68.096<543>2[] 1 f6e80.:51094] r3 : 15b6c350 r2 : 15b6c350 r1 : ef7ab5e0 r0 : 0000002b 00000004 be98c7f8 e[9 4 d 88.759790] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none f b6e1b7e6 # [ < 46>8[. 1 0 168.769349] Control: 10c5387d Table: 16d0004a DAC: 00000051 54] Code: c5e91e08< 0c>1[3 c b 668.777431] Process cat (pid: 1866, stack limit = 0x8a49e266) 4 c13cb4b4 c5e<901>e[6 c (68e.185602] Stack: (0xc463de30 to 0xc463e000) a0c00d) # [ 68.10<802>1[7 ] 68.792130] de20: c6a7e000 c6895000 0000000d c463df60 ---[ end trace 02faeb[7 f 4 68.802818] de40: c463de64 c463de50 c0c592c8 c13cb4b4 00000021 c6895000 c463de74 c463de68 df2a ]--- # EXEC_STK[: m 68.813507] de60: c0c58508 c0c5929c c463de9c c463de78 c0c58a08 c0c584e8 c0c588e8 c69ed2c0 ssing 'call trace:': <[0F>A[I L ]68.824197] de80: b6e54000 0000000d c526b300 c463df60 c463dec4 c463dea0 c07e2134 c0c588f4 not ok 31 selftests<:0 >l[k d t68.834886] dea0: 00000000 c69ed2c0 b6e54000 c290d000 c463df60 c07e20d0 c463df5c c463dec8 m: EXEC_STACK.sh # ex=[1 68.845575] dec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c463c000 # selftests: lkdtm: EX_[K M 68.856264] dee0: b6e54000 00020000 00000004 0000000d 0001fff3 c463dee0 00000001 b6e53000 LLOC.sh <0>[ 68.867037] df00: c6c57400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 68.876253] df20: 00000000 00000000 c13e0ab0 15b6c350 c206c1a0 c69ed2c0 c69ed2c0 c463c000 <0>[ 68.884698] df40: b6e54000 00000000 00000000 00000004 c463df94 c463df60 c059c358 c059bcac <0>[ 68.893145] df60: 00000000 00000000 c463dfac 15b6c350 0000000d 0000000d b6f9be00 00000004 <0>[ 68.901590] df80: c03002e4 c463c000 c463dfa4 c463df98 c059c3e8 c059c2f0 00000000 c463dfa8 <0>[ 68.910036] dfa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e54000 0000000d 00000000 <0>[ 68.918481] dfc0: 0000000d 0000000d b6f9be00 00000004 00000001 00000000 00020000 bef96ac4 <0>[ 68.926926] dfe0: 00000004 bef967f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 <0>[ 68.935366] Backtrace: <0>[ 68.938098] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 68.946805] r7:c463df60 r6:0000000d r5:c6895000 r4:c6a7e000 <0>[ 68.952736] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 68.961353] r5:c6895000 r4:00000021 <0>[ 68.965198] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 68.973478] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 68.981665] r9:c463df60 r8:c526b300 r7:0000000d r6:b6e54000 r5:c69ed2c0 r4:c0c588e8 <0>[ 68.989684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 68.997782] r9:c07e20d0 r8:c463df60 r7:c290d000 r6:b6e54000 r5:c69ed2c0 r4:00000000 <0>[ 69.005794] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 69.013197] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c463c000 r5:c69ed2c0 <0>[ 69.021291] r4:c69ed2c0 <0>[ 69.024094] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 69.031499] r9:c463c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000d r4:0000000d <0>[ 69.039514] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 69.047349] Exception stack(0xc463dfa8 to 0xc463dff0) <0>[ 69.052670] dfa0: 0000000d 0000000d 00000001 b6e54000 0000000d 00000000 <0>[ 69.061117] dfc0: 0000000d 0000000d b6f9be00 00000004 00000001 00000000 00020000 bef96ac4 <0>[ 69.069560] dfe0: 00000004 bef967f8 b6f05d8f b6e8c7e6 <0>[ 69.074883] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) <4>[ 69.081246] ---[ end trace 02faea3b7f43df2b ]--- # Segmentation fault # [ 68.596317] lkdtm: Performing direct entry EXEC_KMALLOC # [ 68.602789] lkdtm: attempting ok execution at c0c59278 # [ 68.610972] lkdtm: attempting bad execution at c6a7e000 # [ 68.618934] 8<--- cut here --- # [ 68.624984] Unable to handle kernel paging request at virtual address c6a7e000 # [ 68.634547] pgd = 2f01c052 # [ 68.639679] [c6a7e000] *pgd=16a1141e(bad) # [ 68.646813] Internal error: Oops: 8000000d [#5] SMP ARM # [ 68.654634] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 68.686594] CPU: 2 PID: 1866 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 68.696930] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.705716] PC is at 0xc6a7e000 # [ 68.711376] LR is at execute_location+0xa4/0xb4 # [ 68.718757] pc : [] lr : [] psr: 600e0013 # [ 68.727448] sp : c463de30 ip : c463dd38 fp : c463de4c # [ 68.735010] r10: 0000000d r9 : c1ad5fd0 r8 : c15ebd54 # [ 68.742402] r7 : c463df60 r6 : 00000001 r5 : c6a7e000 r4 : c0c59278 # [ 68.751094] r3 : 15b6c350 r2 : 15b6c350 r1 : ef7ab5e0 r0 : 0000002b # [ 68.759790] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 68.769349] Control: 10c5387d Table: 16d0004a DAC: 00000051 # [ 68.777431] Process cat (pid: 1866, stack limit = 0x8a49e266) # [ 68.785602] Stack: (0xc463de30 to 0xc463e000) # [ 68.792130] de20: c6a7e000 c6895000 0000000d c463df60 # [ 68.802818] de40: c463de64 c463de50 c0c592c8 c13cb4b4 00000021 c6895000 c463de74 c463de68 # [ 68.813507] de60: c0c58508 c0c5929c c463de9c c463de78 c0c58a08 c0c584e8 c0c588e8 c69ed2c0 # [ 68.824197] de80: b6e54000 0000000d c526b300 c463df60 c463dec4 c463dea0 c07e2134 c0c588f4 # [ 68.834886] dea0: 00000000 c69ed2c0 b6e54000 c290d000 c463df60 c07e20d0 c463df5c c463dec8 # [ 68.845575] dec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c463c000 # [ 68.856264] dee0: b6e54000 00020000 00000004 0000000d 0001fff3 c463dee0 00000001 b6e53000 # [ 68.867037] df00: c6c57400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 68.876253] df20: 00000000 00000000 c13e0ab0 15b6c350 c206c1a0 c69ed2c0 c69ed2c0 c463c000 # [ 68.884698] df40: b6e54000 00000000 00000000 00000004 c463df94 c463df60 c059c358 c059bcac # [ 68.893145] df60: 00000000 00000000 c463dfac 15b6c350 0000000d 0000000d b6f9be00 00000004 # [ 68.901590] df80: c03002e4 c463c000 c463dfa4 c463df98 c059c3e8 c059c2f0 00000000 c463dfa8 # [ 68.910036] dfa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e54000 0000000d 00000000 # [ 68.918481] dfc0: 0000000d 0000000d b6f9be00 00000004 00000001 00000000 00020000 bef96ac4 # [ 68.926926] dfe0: 00000004 bef967f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 # [ 68.935366] Backtrace: # [ 68.938098] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 68.946805] r7:c463df60 r6:0000000d r5:c6895000 r4:c6a7e000 # [ 68.952736] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.961353] r5:c6895000 r4:00000021 # [ 68.965198] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.973478] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.981665] r9:c463df60 r8:c526b300 r7:0000000d r6:b6e54000 r5:c69ed2c0 r4:c0c588e8 # [ 68.989684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 68.997782] r9:c07e20d0 r8:c463df60 r7:c290d000 r6:b6e54000 r5:c69ed2c0 r4:00000000 # [ 69.005794] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.013197] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c463c000 r5:c69ed2c0 # [ 69.021291] r4:c69ed2c0 # [ 69.024094] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.031499] r9:c463c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000d r4:0000000d # [ 69.039514] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.047349] Exception stack(0xc463dfa8 to 0xc463dff0) # [ 69.052670] dfa0: 0000000d 0000000d 00000001 b6e54000 0000000d 00000000 # [ 69.061117] dfc0: 0000000d 0000000d b6f9be00 00000004 00000001 00000000 00020000 be<6>[ 69.579702] lkdtm: Performing direct entry EXEC_VMALLOC f96ac4 # [ 69.069560] dfe0: 00<6>[ 69.587972] lkdtm: attempting ok execution at c0c59278 000004 bef967f8 b6f05d8f b6e8c7e6<6>[ 69.595981] lkdtm: attempting bad execution at f096c000 # [ 69.074883] Code: 00000000<1>[ 69.604382] 8<--- cut here --- 00000000 00000000 00000000 (e1a0<1>[ 69.610471] Unable to handle kernel paging request at virtual address f096c000 c00d) # [ 69.081246] ---[ end<4>[ 69.617433] panel-simple panel-lcd: supply power not found, using dummy regulator <1>[ 69.620850] pgd = 6d195f85 trace 02faea3b7f43df2b ]--- # E<4>[ 69.631768] panel-simple panel-lcd: Specify missing connector_type <1>[ 69.634391] [f096c000] *pgd=12958811, *pte=4934065f, *ppte=4934045f <0>[ 69.634426] Internal error: Oops: 8000000f [#6] SMP ARM XEC_KMALLOC: missing 'call trace:<4>[ 69.634434] Modules linked in: <4>[ 69.650541] panel-simple panel-lvds0: supply power not found, using dummy regulator ':< [4F>A[I L ] 6 9n.o6t5 5o7k0 ] fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 32 selftests: lkdtm: EXEC_KMALLOC<4>[ 69.655832] CPU: 2 PID: 1944 Comm: cat Tainted: G D W 5.10.211-cip44 #1 .s

#[ e x i6t9=.16 5 5#8 3s8] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) lftests: lkdtm: EXEC_VMALLOC.sh <4>[ 69.655856] PC is at 0xf096c000 <4>[ 69.655878] LR is at execute_location+0xa4/0xb4 <4>[ 69.655885] pc : [] lr : [] psr: 600e0013 # Segmentation fault<4>[ 69.655891] sp : c46ede30 ip : c46edd38 fp : c46ede4c <4>[ 69.655896] r10: 0000000d r9 : c1ad5fe0 r8 : c15ebd54 <4>[ 69.655902] r7 : c46edf60 r6 : 00000001 r5 : f096c000 r4 : c0c59278 <4>[ 69.655908] r3 : bce73143 r2 : bce73143 r1 : ef7ab5e0 r0 : 0000002b <4>[ 69.655917] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 69.655924] Control: 10c5387d Table: 168e804a DAC: 00000051 <0>[ 69.655933] Process cat (pid: 1944, stack limit = 0xbba77026) <0>[ 69.655941] Stack: (0xc46ede30 to 0xc46ee000) <0>[ 69.655953] de20: f096c000 c5f25000 0000000d c46edf60 <0>[ 69.655963] de40: c46ede64 c46ede50 c0c592fc c13cb4b4 00000022 c5f25000 c46ede74 c46ede68 <0>[ 69.655973] de60: c0c58508 c0c592e0 c46ede9c c46ede78 c0c58a08 c0c584e8 c0c588e8 c69ec000 <0>[ 69.655983] de80: b6e7c000 0000000d c526b300 c46edf60 c46edec4 c46edea0 c07e2134 c0c588f4 <0>[ 69.655992] dea0: 00000000 c69ec000 b6e7c000 c290d000 c46edf60 c07e20d0 c46edf5c c46edec8 <0>[ 69.656002] dec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c46ec000 <0>[ 69.656011] dee0: b6e7c000 00020000 00000004 0000000d 0001fff3 c46edee0 00000001 b6e7b000 <0>[ 69.656020] df00: c42c0a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 69.656029] df20: 00000000 00000000 c13e0ab0 bce73143 c206c1a0 c69ec000 c69ec000 c46ec000 <0>[ 69.656039] df40: b6e7c000 00000000 00000000 00000004 c46edf94 c46edf60 c059c358 c059bcac <0>[ 69.656048] df60: 00000000 00000000 c46edfac bce73143 0000000d 0000000d b6fc3e00 00000004 <0>[ 69.656057] df80: c03002e4 c46ec000 c46edfa4 c46edf98 c059c3e8 c059c2f0 00000000 c46edfa8 <0>[ 69.656066] dfa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e7c000 0000000d 00000000 <0>[ 69.656075] dfc0: 0000000d 0000000d b6fc3e00 00000004 00000001 00000000 00020000 bedb3ac4 <0>[ 69.656084] dfe0: 00000004 bedb37f8 b6f2dd8f b6eb47e6 800e0030 00000001 00000000 00000000 <0>[ 69.656088] Backtrace: <0>[ 69.656111] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 69.656120] r7:c46edf60 r6:0000000d r5:c5f25000 r4:f096c000 <0>[ 69.656133] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 69.656140] r5:c5f25000 r4:00000022 <0>[ 69.656150] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 69.656171] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 69.656182] r9:c46edf60 r8:c526b300 r7:0000000d r6:b6e7c000 r5:c69ec000 r4:c0c588e8 <0>[ 69.656202] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 69.656212] r9:c07e20d0 r8:c46edf60 r7:c290d000 r6:b6e7c000 r5:c69ec000 r4:00000000 <0>[ 69.656222] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 69.656231] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c46ec000 r5:c69ec000 <0>[ 69.656236] r4:c69ec000 <0>[ 69.656246] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 69.656254] r9:c46ec000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:0000000d r4:0000000d <0>[ 69.656269] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 69.656276] Exception stack(0xc46edfa8 to 0xc46edff0) <0>[ 69.656286] dfa0: 0000000d 0000000d 00000001 b6e7c000 0000000d 00000000 <0>[ 69.656297] dfc0: 0000000d 0000000d b6fc3e00 00000004 00000001 00000000 00020000 bedb3ac4 <0>[ 69.656305] dfe0: 00000004 bedb37f8 b6f2dd8f b6eb47e6 <0>[ 69.656331] Code: bad PC value <6>[ 69.698123] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 69.699000] ---[ end trace 02faea3b7f43df2c ]--- <6>[ 69.709950] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 70.077936] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 70.086505] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 70.099161] platform backlight-lcd: deferred probe pending <6>[ 70.105048] platform backlight-lvds: deferred probe pending <6>[ 70.110897] platform panel-lcd: deferred probe pending <6>[ 70.116338] platform panel-lvds0: deferred probe pending <6>[ 70.121946] platform ldb: deferred probe pending # [ 69.579702] lkdtm: Performing direct entry EXEC_VMALLOC # [ 69.587972] lkdtm: attempting ok execution at c0c59278 # [ 69.595981] lkdtm: attempting bad execution at f096c000 # [ 69.604382] 8<--- cut here --- # [ 69.610471] Unable to handle kernel paging request at virtual address f096c000 # [ 69.617433] panel-simple panel-lcd: supply power not found, using dummy regulator # [ 69.620850] pgd = 6d195f85 # [ 69.631768] panel-simple panel-lcd: Specify missing connector_type # [ 69.634391] [f096c000] *pgd=12958811, *pte=4934065f, *ppte=4934045f # [ 69.634426] Internal error: Oops: 8000000f [#6] SMP ARM # [ 69.634434] Modules linked in: # [ 69.650541] panel-simple panel-lvds0: supply power not found, using dummy regulator # [ 69.655709] fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 69.655832] CPU: 2 PID: 1944 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 69.655838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.655856] PC is at 0xf096c000 # [ 69.655878] LR is at execute_location+0xa4/0xb4 # [ 69.655885] pc : [] lr : [] psr: 600e0013 # [ 69.655891] sp : c46ede30 ip : c46edd38 fp : c46ede4c # [ 69.655896] r10: 0000000d r9 : c1ad5fe0 r8 : c15ebd54 # [ 69.655902] r7 : c46edf60 r6 : 00000001 r5 : f096c000 r4 : c0c59278 # [ 69.655908] r3 : bce73143 r2 : bce73143 r1 : ef7ab5e0 r0 : 0000002b # [ 69.655917] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 69.655924] Control: 10c5387d Table: 168e804a DAC: 00000051 # [ 69.655933] Process cat (pid: 1944, stack limit = 0xbba77026) # [ 69.655941] Stack: (0xc46ede30 to 0xc46ee000) # [ 69.655953] de20: f096c000 c5f25000 0000000d c46edf60 # [ 69.655963] de40: c46ede64 c46ede50 c0c592fc c13cb4b4 00000022 c5f25000 c46ede74 c46ede68 # [ 69.655973] de60: c0c58508 c0c592e0 c46ede9c c46ede78 c0c58a08 c0c584e8 c0c588e8 c69ec000 # [ 69.655983] de80: b6e7c000 0000000d c526b300 c46edf60 c46edec4 c46edea0 c07e2134 c0c588f4 # [ 69.655992] dea0: 00000000 c69ec000 b6e7c000 c290d000 c46edf60 c07e20d0 c46edf5c c46edec8 # [ 69.656002] dec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c46ec000 # [ 69.656011] dee0: b6e7c000 00020000 00000004 0000000d 0001fff3 c46edee0 00000001 b6e7b000 # [ 69.656020] df00: c42c0a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 69.656029] df20: 00000000 00000000 c13e0ab0 bce73143 c206c1a0 c69ec000 c69ec000 c46ec000 # [ 69.656039] df40: b6e7c000 00000000 00000000 00000004 c46edf94 c46edf60 c059c358 c059bcac # [ 69.656048] df60: 00000000 00000000 c46edfac bce73143 0000000d 0000000d b6fc3e00 00000004 # [ 69.656057] df80: c03002e4 c46ec000 c46edfa4 c46edf98 c059c3e8 c059c2f0 00000000 c46edfa8 # [ 69.656066] dfa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e7c000 0000000d 00000000 # [ 69.656075] dfc0: 0000000d 0000000d b6fc3e00 00000004 00000001 00000000 00020000 bedb3ac4 # [ 69.656084] dfe0: 00000004 bedb37f8 b6f2dd8f b6eb47e6 800e0030 00000001 00000000 00000000 # [ 69.656088] Backtrace: # [ 69.656111] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 69.656120] r7:c46edf60 r6:0000000d r5:c5f25000 r4:f096c000 # [ 69.656133] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.656140] r5:c5f25000 r4:00000022 # [ 69.656150] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.656171] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.656182] r9:c46edf60 r8:c526b300 r7:0000000d r6:b6e7c000 r5:c69ec000 r4:c0c588e8 # [ 69.656202] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 69.656212] r9:c07e20d0 r8:c46edf60 r7:c290d000 r6:b6e7c000 r5:c69ec000 r4:00000000 # [ 69.656222] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.656231] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c46ec000 r5:c69ec000 # [ 69.656236] r4:c69ec000 # [ 69.656246] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.656254] r9:c46ec000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:0000000d r4:0000000d # [ 69.656269] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.656276] Exception stack(0xc46edfa8 to 0xc46edff0) # [ 69.656286] dfa0: 0000000d 0000000d 00000001 b6e7c000 0000000d 00000000 # [ 69.656297] dfc0: 0000000d 0000000d b6fc3e00 00000004 00000001 00000000 00020000 bedb3ac4 # [ 69.656305] dfe0: 00000004 bedb37f8 b6f2dd8f b6eb47e6 # [ 69.656331] Code: bad PC value # [ 69.698123] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [i<6>[ 70.647596] lkdtm: Performing direct entry EXEC_RODATA mxdrm]) # [ 69.699000] ---[ en<6>[ 70.655168] lkdtm: attempting ok execution at c0c59278 d trace 02faea3b7f43df2c ]--- # <6>[ 70.663302] lkdtm: attempting bad execution at c15ebff0 [ 69.709950] imx-drm display-su<1>[ 70.671729] 8<--- cut here --- bsystem: bound imi[p u v 37-.677781] Unable to handle kernel paging request at virtual address c15ebff0 crtc.3 (ops ipu_cc[_ o p s7 .687342] pgd = 8b6798d7 [imxdrm]) # [ 70.077936] imx<->[ 70.692387] [c15ebff0] *pgd=1141941e(bad) drm display-subsystem<:0 >b[o u n70.699350] Internal error: Oops: 8000000d [#7] SMP ARM d imx-ipuv3-crtc.6 (ops ipu_crtc_<4>[ 70.707082] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 ops [imxdrm]) # [ < 47>0[. 0 8 70.739042] CPU: 1 PID: 2030 Comm: cat Tainted: G D W 5.10.211-cip44 #1 505] imx-drm s[ p l a7y0-.s749293] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) bsystem: bound imx-ipuv3-crtc.7 <4>[ 70.757999] PC is at lkdtm_rodata_do_nothing+0x0/0x10 ops ipu_crtc_ops [imxdrm]<)4 > [# 70.766078] LR is at execute_location+0xa4/0xb4 [ 70.099161]< 4p>l[a t f o7r0m773288] pc : [] lr : [] psr: 600e0013 backlight-l:[ d e f7e0r.r781806] sp : c5f4fe38 ip : c5f4fd40 fp : c5f4fe54 d probe pendin [# [ 7 0 .789197] r10: 0000000c r9 : c1ad5ff0 r8 : c15ebd54 0.105048] platr[m b 7a0c.k96675] r7 : c5f4ff60 r6 : 00000000 r5 : c15ebff0 r4 : c0c59278 light-lvds: der[r e d 7p0r.805367] r3 : ce681b0c r2 : ce681b0c r1 : ef7965e0 r0 : 0000002b be pending # [ < 47>0[. 1 1 078.814149] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 97] platform pan-[l c d :7 0.823622] Control: 10c5387d Table: 15ec404a DAC: 00000051 eferred probe pd[i n g7 0 .831706] Process cat (pid: 2030, stack limit = 0x48c97939) [ 70.116338] plf[o r m 70.839705] Stack: (0xc5f4fe38 to 0xc5f50000) anel-lvds0: deferred< 0p>r[o b e 70.846490] fe20: 00000023 c6859000 pending # [ 70.1219<406>][ p 70.857179] fe40: 0000000c c5f4ff60 c5f4fe64 c5f4fe58 c13cb734 c13cb4b4 c5f4fe74 c5f4fe68 atform ldb: deferred pre[ p 70.867956] fe60: c0c58508 c13cb71c c5f4fe9c c5f4fe78 c0c58a08 c0c584e8 c0c588e8 c46ea500 ending # EXEC_VMALL:[ m i 70.878730] fe80: b6e14000 0000000c c526b300 c5f4ff60 c5f4fec4 c5f4fea0 c07e2134 c0c588f4 sing 'call trace:': [I[L ] 70.889418] fea0: 00000000 c46ea500 b6e14000 c290d000 c5f4ff60 c07e20d0 c5f4ff5c c5f4fec8 not ok 33 selftests: lk<0d>t[m : 70.900109] fec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5f4e000 EXEC_VMALLOC.sh # et[= 1 70.910882] fee0: b6e14000 00020000 00000004 0000000c 0001fff4 c5f4fee0 00000001 b6e13000 # selftests: lkdtm: E[C _ R 70.921570] ff00: c69ed180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 DATA.sh <0>[ 70.932261] ff20: 00000000 00000000 c13e0ab0 ce681b0c c206c1a0 c46ea500 c46ea500 c5f4e000 <0>[ 70.941472] ff40: b6e14000 00000000 00000000 00000004 c5f4ff94 c5f4ff60 c059c358 c059bcac <0>[ 70.949919] ff60: 00000000 00000000 c5f4ffac ce681b0c 0000000c 0000000c b6f5be00 00000004 <0>[ 70.958366] ff80: c03002e4 c5f4e000 c5f4ffa4 c5f4ff98 c059c3e8 c059c2f0 00000000 c5f4ffa8 <0>[ 70.966812] ffa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e14000 0000000c 00000000 <0>[ 70.975262] ffc0: 0000000c 0000000c b6f5be00 00000004 00000001 00000000 00020000 bec2aac4 <0>[ 70.983707] ffe0: 00000004 bec2a7f8 b6ec5d8f b6e4c7e6 800e0030 00000001 00000000 00000000 <0>[ 70.992147] Backtrace: <0>[ 70.994873] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 71.003495] r7:c5f4ff60 r6:0000000c r5:c6859000 r4:00000023 <0>[ 71.009426] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.017961] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.026243] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.034431] r9:c5f4ff60 r8:c526b300 r7:0000000c r6:b6e14000 r5:c46ea500 r4:c0c588e8 <0>[ 71.042450] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.050549] r9:c07e20d0 r8:c5f4ff60 r7:c290d000 r6:b6e14000 r5:c46ea500 r4:00000000 <0>[ 71.058562] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.065966] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5f4e000 r5:c46ea500 <0>[ 71.074059] r4:c46ea500 <0>[ 71.076865] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.084268] r9:c5f4e000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:0000000c r4:0000000c <0>[ 71.092284] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.100118] Exception stack(0xc5f4ffa8 to 0xc5f4fff0) <0>[ 71.105440] ffa0: 0000000c 0000000c 00000001 b6e14000 0000000c 00000000 <0>[ 71.113887] ffc0: 0000000c 0000000c b6f5be00 00000004 00000001 00000000 00020000 bec2aac4 <0>[ 71.122331] ffe0: 00000004 bec2a7f8 b6ec5d8f b6e4c7e6 <0>[ 71.127653] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 71.134016] ---[ end trace 02faea3b7f43df2d ]--- # Segmentation fault # [ 70.647596] lkdtm: Performing direct entry EXEC_RODATA # [ 70.655168] lkdtm: attempting ok execution at c0c59278 # [ 70.663302] lkdtm: attempting bad execution at c15ebff0 # [ 70.671729] 8<--- cut here --- # [ 70.677781] Unable to handle kernel paging request at virtual address c15ebff0 # [ 70.687342] pgd = 8b6798d7 # [ 70.692387] [c15ebff0] *pgd=1141941e(bad) # [ 70.699350] Internal error: Oops: 8000000d [#7] SMP ARM # [ 70.707082] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 70.739042] CPU: 1 PID: 2030 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 70.749293] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.757999] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 70.766078] LR is at execute_location+0xa4/0xb4 # [ 70.773288] pc : [] lr : [] psr: 600e0013 # [ 70.781806] sp : c5f4fe38 ip : c5f4fd40 fp : c5f4fe54 # [ 70.789197] r10: 0000000c r9 : c1ad5ff0 r8 : c15ebd54 # [ 70.796675] r7 : c5f4ff60 r6 : 00000000 r5 : c15ebff0 r4 : c0c59278 # [ 70.805367] r3 : ce681b0c r2 : ce681b0c r1 : ef7965e0 r0 : 0000002b # [ 70.814149] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.823622] Control: 10c5387d Table: 15ec404a DAC: 00000051 # [ 70.831706] Process cat (pid: 2030, stack limit = 0x48c97939) # [ 70.839705] Stack: (0xc5f4fe38 to 0xc5f50000) # [ 70.846490] fe20: 00000023 c6859000 # [ 70.857179] fe40: 0000000c c5f4ff60 c5f4fe64 c5f4fe58 c13cb734 c13cb4b4 c5f4fe74 c5f4fe68 # [ 70.867956] fe60: c0c58508 c13cb71c c5f4fe9c c5f4fe78 c0c58a08 c0c584e8 c0c588e8 c46ea500 # [ 70.878730] fe80: b6e14000 0000000c c526b300 c5f4ff60 c5f4fec4 c5f4fea0 c07e2134 c0c588f4 # [ 70.889418] fea0: 00000000 c46ea500 b6e14000 c290d000 c5f4ff60 c07e20d0 c5f4ff5c c5f4fec8 # [ 70.900109] fec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5f4e000 # [ 70.910882] fee0: b6e14000 00020000 00000004 0000000c 0001fff4 c5f4fee0 00000001 b6e13000 # [ 70.921570] ff00: c69ed180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.932261] ff20: 00000000 00000000 c13e0ab0 ce681b0c c206c1a0 c46ea500 c46ea500 c5f4e000 # [ 70.941472] ff40: b6e14000 00000000 00000000 00000004 c5f4ff94 c5f4ff60 c059c358 c059bcac # [ 70.949919] ff60: 00000000 00000000 c5f4ffac ce681b0c 0000000c 0000000c b6f5be00 00000004 # [ 70.958366] ff80: c03002e4 c5f4e000 c5f4ffa4 c5f4ff98 c059c3e8 c059c2f0 00000000 c5f4ffa8 # [ 70.966812] ffa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e14000 0000000c 00000000 # [ 70.975262] ffc0: 0000000c 0000000c b6f5be00 00000004 00000001 00000000 00020000 bec2aac4 # [ 70.983707] ffe0: 00000004 bec2a7f8 b6ec5d8f b6e4c7e6 800e0030 00000001 00000000 00000000 # [ 70.992147] Backtrace: # [ 70.994873] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 71.003495] r7:c5f4ff60 r6:0000000c r5:c6859000 r4:00000023 # [ 71.009426] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.017961] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.026243] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.034431] r9:c5f4ff60 r8:c526b300 r7:0000000c r6:b6e14000 r5:c46ea500 r4:c0c588e8 # [ 71.042450] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.050549] r9:c07e20d0 r8:c5f4ff60 r7:c290d000 r6:b6e14000 r5:c46ea500 r4:00000000 # [ 71.058562] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.065966] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5f4e000 r5:c46ea500 # [ 71.074059] r4:c46ea500 # [ 71.076865] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.084268] r9:c5f4e000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:0000000c r4:0000000c # [ 71.092284] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.100118] Exception stack(0xc5f4ffa8 to 0xc5f4fff0) # [ 71.105440] ffa0: 0000000c 0000000c 00000001 b6e14000 0000000c 00000000 # [ 71.113887] ffc0: 0000000c 0000000c b6f5be00 00000004 00000001 00000000 00020000 bec2aac4 # [ 71.122331] ffe0: 00000004 bec<6>[ 71.666002] lkdtm: Performing direct entry EXEC_USERSPACE 2a7f8 b6ec5d8f b6e4c7e6 # [ 71<6>[ 71.673389] lkdtm: attempting ok execution at c0c59278 .127653] Code: 5f727563 6e756f63 <6>[ 71.683302] lkdtm: attempting bad execution at b6f92000 00000074 aa55aa55< 1(>e[1 a 0 c70.689864] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f92000 0d) # [ 71.134016] ---[ end t0>[ 71.699357] Internal error: : b [#8] SMP ARM race 02faea3b7f43df2d ]--- # EXE<4>[ 71.706659] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 C_RODATA: missing 'call trace:': <4>[ 71.738632] CPU: 2 PID: 2107 Comm: cat Tainted: G D W 5.10.211-cip44 #1 [FAIL] not ok 34 selftests:< 4l>[ 71.749490] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) dtm: EXEC_RODATA.sh # exit=1 # s<4>[ 71.758886] PC is at 0xb6f92000 elftests: lkdtm: EXEC_USERSPACE.s<4>[ 71.765161] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 h <4>[ 71.773149] pc : [] lr : [] psr: 60070013 <4>[ 71.779936] sp : c6cb3e48 ip : 00000027 fp : c6cb3e64 <4>[ 71.785443] r10: 0000000f r9 : c1ad5ffc r8 : c15ebd54 <4>[ 71.790950] r7 : c6cb3f60 r6 : 0000000f r5 : c5bf7000 r4 : b6f92000 <4>[ 71.797759] r3 : 88428725 r2 : 88428725 r1 : ef7ab5e4 r0 : 0000002b <4>[ 71.804572] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 71.811990] Control: 10c5387d Table: 146a404a DAC: 00000051 <0>[ 71.818024] Process cat (pid: 2107, stack limit = 0x5fbc4968) <0>[ 71.824056] Stack: (0xc6cb3e48 to 0xc6cb4000) <0>[ 71.828708] 3e40: 00000001 00000000 0000000f 00000024 c6cb3e74 c6cb3e68 <0>[ 71.837180] 3e60: c0c58508 c0c59314 c6cb3e9c c6cb3e78 c0c58a08 c0c584e8 c0c588e8 c4662a00 <0>[ 71.845651] 3e80: b6e4c000 0000000f c526b300 c6cb3f60 c6cb3ec4 c6cb3ea0 c07e2134 c0c588f4 <0>[ 71.854121] 3ea0: 00000000 c4662a00 b6e4c000 c290d000 c6cb3f60 c07e20d0 c6cb3f5c c6cb3ec8 <0>[ 71.862592] 3ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6cb2000 <0>[ 71.871061] 3ee0: b6e4c000 00020000 00000004 0000000f 0001fff1 c6cb3ee0 00000001 b6e4b000 <0>[ 71.879531] 3f00: c6956280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 71.888000] 3f20: 00000000 00000000 c13e0ab0 88428725 c206c1a0 c4662a00 c4662a00 c6cb2000 <0>[ 71.896469] 3f40: b6e4c000 00000000 00000000 00000004 c6cb3f94 c6cb3f60 c059c358 c059bcac <0>[ 71.904939] 3f60: 00000000 00000000 c6cb3fac 88428725 0000000f 0000000f b6f93e00 00000004 <0>[ 71.913407] 3f80: c03002e4 c6cb2000 c6cb3fa4 c6cb3f98 c059c3e8 c059c2f0 00000000 c6cb3fa8 <0>[ 71.921875] 3fa0: c03000c0 c059c3dc 0000000f 0000000f 00000001 b6e4c000 0000000f 00000000 <0>[ 71.930343] 3fc0: 0000000f 0000000f b6f93e00 00000004 00000001 00000000 00020000 be8d7ac4 <0>[ 71.938812] 3fe0: 00000004 be8d77f8 b6efdd8f b6e847e6 800e0030 00000001 00000000 00000000 <0>[ 71.947267] Backtrace: <0>[ 71.950029] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.958839] r4:00000024 <0>[ 71.961667] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.969979] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.978192] r9:c6cb3f60 r8:c526b300 r7:0000000f r6:b6e4c000 r5:c4662a00 r4:c0c588e8 <0>[ 71.986240] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.994364] r9:c07e20d0 r8:c6cb3f60 r7:c290d000 r6:b6e4c000 r5:c4662a00 r4:00000000 <0>[ 72.002401] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.009829] r10:00000004 r9:00000000 r8:00000000 r7:b6e4c000 r6:c6cb2000 r5:c4662a00 <0>[ 72.017939] r4:c4662a00 <0>[ 72.020767] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.028194] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6f93e00 r5:0000000f r4:0000000f <0>[ 72.036233] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.044087] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) <0>[ 72.049429] 3fa0: 0000000f 0000000f 00000001 b6e4c000 0000000f 00000000 <0>[ 72.057898] 3fc0: 0000000f 0000000f b6f93e00 00000004 00000001 00000000 00020000 be8d7ac4 <0>[ 72.066362] 3fe0: 00000004 be8d77f8 b6efdd8f b6e847e6 <0>[ 72.071707] Code: bad PC value <4>[ 72.075058] ---[ end trace 02faea3b7f43df2e ]--- # Segmentation fault # [ 71.666002] lkdtm: Performing direct entry EXEC_USERSPACE # [ 71.673389] lkdtm: attempting ok execution at c0c59278 # [ 71.683302] lkdtm: attempting bad execution at b6f92000 # [ 71.689864] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f92000 # [ 71.699357] Internal error: : b [#8] SMP ARM # [ 71.706659] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 71.738632] CPU: 2 PID: 2107 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 71.749490] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.758886] PC is at 0xb6f92000 # [ 71.765161] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 71.773149] pc : [] lr : [] psr: 60070013 # [ 71.779936] sp : c6cb3e48 ip : 00000027 fp : c6cb3e64 # [ 71.785443] r10: 0000000f r9 : c1ad5ffc r8 : c15ebd54 # [ 71.790950] r7 : c6cb3f60 r6 : 0000000f r5 : c5bf7000 r4 : b6f92000 # [ 71.797759] r3 : 88428725 r2 : 88428725 r1 : ef7ab5e4 r0 : 0000002b # [ 71.804572] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.811990] Control: 10c5387d Table: 146a404a DAC: 00000051 # [ 71.818024] Process cat (pid: 2107, stack limit = 0x5fbc4968) # [ 71.824056] Stack: (0xc6cb3e48 to 0xc6cb4000) # [ 71.828708] 3e40: 00000001 00000000 0000000f 00000024 c6cb3e74 c6cb3e68 # [ 71.837180] 3e60: c0c58508 c0c59314 c6cb3e9c c6cb3e78 c0c58a08 c0c584e8 c0c588e8 c4662a00 # [ 71.845651] 3e80: b6e4c000 0000000f c526b300 c6cb3f60 c6cb3ec4 c6cb3ea0 c07e2134 c0c588f4 # [ 71.854121] 3ea0: 00000000 c4662a00 b6e4c000 c290d000 c6cb3f60 c07e20d0 c6cb3f5c c6cb3ec8 # [ 71.862592] 3ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6cb2000 # [ 71.871061] 3ee0: b6e4c000 00020000 00000004 0000000f 0001fff1 c6cb3ee0 00000001 b6e4b000 # [ 71.879531] 3f00: c6956280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.888000] 3f20: 00000000 00000000 c13e0ab0 88428725 c206c1a0 c4662a00 c4662a00 c6cb2000 # [ 71.896469] 3f40: b6e4c000 00000000 00000000 00000004 c6cb3f94 c6cb3f60 c059c358 c059bcac # [ 71.904939] 3f60: 00000000 00000000 c6cb3fac 88428725 0000000f 0000000f b6f93e00 00000004 # [ 71.913407] 3f80: c03002e4 c6cb2000 c6cb3fa4 c6cb3f98 c059c3e8 c059c2f0 00000000 c6cb3fa8 # [ 71.921875] 3fa0: c03000c0 c059c3dc 0000000f 0000000f 00000001 b6e4c000 0000000f 00000000 # [ 71.930343] 3fc0: 0000000f 0000000f b6f93e00 00000004 00000001 00000000 00020000 be8d7ac4 # [ 71.938812] 3fe0: 00000004 be8d77f8 b6efdd8f b6e847e6 800e0030 00000001 00000000 00000000 # [ 71.947267] Backtrace: # [ 71.950029] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.958839] r4:00000024 # [ 71.961667] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.969979] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.978192] r9:c6cb3f60 r8:c526b300 r7:0000000f r6:b6e4c000 r5:c4662a00 r4:c0c588e8 # [ 71.986240] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.994364] r9:c07e20d0 r8:c6cb3f60 r7:c290d000 r6:b6e4c000 r5:c4662a00 r4:00000000 # [ 72.002401] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.009829] r10:00000004 r9:00000000 r8:00000000 r7:b6e4c000 r6:c6cb2000 r5:c4662a00 # [ 72.017939] r4:c4662a00 # [ 72.020767] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 72.028194] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6f93e00 r5:0000000f r4:0000000f # [ 72.036233] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 72.044087] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) # [ 72.049429] 3fa0: 0000000f 0000000f 00000001 b6e4c000 0000000f 00000000 # [ 72.057898] 3fc0: 0000000f 0000000f b6f93e00 00000004 00000001 00000000 00020000 be8d7ac4 # [ 72.066362] 3fe0: 00000004 be8d77f8 b6efdd8f b6e847e6 # [ 72.071707] Code: bad PC value # [ 72.075058] ---[ end trace 02faea3b7f43df2e ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selft<6>[ 72.579251] lkdtm: Performing direct entry EXEC_NULL ests: lkdtm: EXEC_NULL.sh <6>[ 72.586966] lkdtm: attempting ok execution at c0c59278 <6>[ 72.594729] lkdtm: attempting bad execution at 00000000 <1>[ 72.600263] 8<--- cut here --- <1>[ 72.603633] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 72.612040] pgd = da6a3874 <1>[ 72.615023] [00000000] *pgd=00000000 <0>[ 72.618893] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 72.624397] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 72.653670] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 72.661679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 72.668480] PC is at 0x0 <4>[ 72.671292] LR is at execute_location+0xa4/0xb4 <4>[ 72.676088] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 72.682619] sp : c6dd9e38 ip : 00000027 fp : c6dd9e54 <4>[ 72.688111] r10: 0000000a r9 : c1ad600c r8 : c15ebd54 <4>[ 72.693600] r7 : c6dd9f60 r6 : 00000000 r5 : 00000000 r4 : c0c59278 <4>[ 72.700392] r3 : 1e00fa73 r2 : 1e00fa73 r1 : ef7c05e4 r0 : 0000002b <4>[ 72.707186] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 72.714586] Control: 10c5387d Table: 16f0004a DAC: 00000051 <0>[ 72.720600] Process cat (pid: 2179, stack limit = 0x6fdd57d6) <0>[ 72.726611] Stack: (0xc6dd9e38 to 0xc6dda000) <0>[ 72.731235] 9e20: 00000025 c6aab000 <0>[ 72.739681] 9e40: 0000000a c6dd9f60 c6dd9e64 c6dd9e58 c13cb758 c13cb4b4 c6dd9e74 c6dd9e68 <0>[ 72.748128] 9e60: c0c58508 c13cb744 c6dd9e9c c6dd9e78 c0c58a08 c0c584e8 c0c588e8 c41cd040 <0>[ 72.756577] 9e80: b6e77000 0000000a c526b300 c6dd9f60 c6dd9ec4 c6dd9ea0 c07e2134 c0c588f4 <0>[ 72.765022] 9ea0: 00000000 c41cd040 b6e77000 c290d000 c6dd9f60 c07e20d0 c6dd9f5c c6dd9ec8 <0>[ 72.773467] 9ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6dd8000 <0>[ 72.781915] 9ee0: b6e77000 00020000 00000004 0000000a 0001fff6 c6dd9ee0 00000001 b6e76000 <0>[ 72.790359] 9f00: c4663a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 72.798807] 9f20: 00000000 00000000 c13e0ab0 1e00fa73 c206c1a0 c41cd040 c41cd040 c6dd8000 <0>[ 72.807254] 9f40: b6e77000 00000000 00000000 00000004 c6dd9f94 c6dd9f60 c059c358 c059bcac <0>[ 72.815699] 9f60: 00000000 00000000 c6dd9fac 1e00fa73 0000000a 0000000a b6fbee00 00000004 <0>[ 72.824144] 9f80: c03002e4 c6dd8000 c6dd9fa4 c6dd9f98 c059c3e8 c059c2f0 00000000 c6dd9fa8 <0>[ 72.832590] 9fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 <0>[ 72.841035] 9fc0: 0000000a 0000000a b6fbee00 00000004 00000001 00000000 00020000 be939ac4 <0>[ 72.849482] 9fe0: 00000004 be9397f8 b6f28d8f b6eaf7e6 800e0030 00000001 00000000 00000000 <0>[ 72.857921] Backtrace: <0>[ 72.860649] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 72.869097] r7:c6dd9f60 r6:0000000a r5:c6aab000 r4:00000025 <0>[ 72.875031] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.883392] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.891673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.899858] r9:c6dd9f60 r8:c526b300 r7:0000000a r6:b6e77000 r5:c41cd040 r4:c0c588e8 <0>[ 72.907877] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 72.915977] r9:c07e20d0 r8:c6dd9f60 r7:c290d000 r6:b6e77000 r5:c41cd040 r4:00000000 <0>[ 72.923991] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.931395] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6dd8000 r5:c41cd040 <0>[ 72.939490] r4:c41cd040 <0>[ 72.942296] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.949702] r9:c6dd8000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:0000000a r4:0000000a <0>[ 72.957720] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.965556] Exception stack(0xc6dd9fa8 to 0xc6dd9ff0) <0>[ 72.970877] 9fa0: 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 <0>[ 72.979326] 9fc0: 0000000a 0000000a b6fbee00 00000004 00000001 00000000 00020000 be939ac4 <0>[ 72.987770] 9fe0: 00000004 be9397f8 b6f28d8f b6eaf7e6 <0>[ 72.993095] Code: bad PC value <4>[ 72.996534] ---[ end trace 02faea3b7f43df2f ]--- # Segmentation fault # [ 72.579251] lkdtm: Performing direct entry EXEC_NULL # [ 72.586966] lkdtm: attempting ok execution at c0c59278 # [ 72.594729] lkdtm: attempting bad execution at 00000000 # [ 72.600263] 8<--- cut here --- # [ 72.603633] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 72.612040] pgd = da6a3874 # [ 72.615023] [00000000] *pgd=00000000 # [ 72.618893] Internal error: Oops: 80000005 [#9] SMP ARM # [ 72.624397] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 72.653670] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 72.661679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.668480] PC is at 0x0 # [ 72.671292] LR is at execute_location+0xa4/0xb4 # [ 72.676088] pc : [<00000000>] lr : [] psr: 600e0013 # [ 72.682619] sp : c6dd9e38 ip : 00000027 fp : c6dd9e54 # [ 72.688111] r10: 0000000a r9 : c1ad600c r8 : c15ebd54 # [ 72.693600] r7 : c6dd9f60 r6 : 00000000 r5 : 00000000 r4 : c0c59278 # [ 72.700392] r3 : 1e00fa73 r2 : 1e00fa73 r1 : ef7c05e4 r0 : 0000002b # [ 72.707186] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.714586] Control: 10c5387d Table: 16f0004a DAC: 00000051 # [ 72.720600] Process cat (pid: 2179, stack limit = 0x6fdd57d6) # [ 72.726611] Stack: (0xc6dd9e38 to 0xc6dda000) # [ 72.731235] 9e20: 00000025 c6aab000 # [ 72.739681] 9e40: 0000000a c6dd9f60 c6dd9e64 c6dd9e58 c13cb758 c13cb4b4 c6dd9e74 c6dd9e68 # [ 72.748128] 9e60: c0c58508 c13cb744 c6dd9e9c c6dd9e78 c0c58a08 c0c584e8 c0c588e8 c41cd040 # [ 72.756577] 9e80: b6e77000 0000000a c526b300 c6dd9f60 c6dd9ec4 c6dd9ea0 c07e2134 c0c588f4 # [ 72.765022] 9ea0: 00000000 c41cd040 b6e77000 c290d000 c6dd9f60 c07e20d0 c6dd9f5c c6dd9ec8 # [ 72.773467] 9ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6dd8000 # [ 72.781915] 9ee0: b6e77000 00020000 00000004 0000000a 0001fff6 c6dd9ee0 00000001 b6e76000 # [ 72.790359] 9f00: c4663a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.798807] 9f20: 00000000 00000000 c13e0ab0 1e00fa73 c206c1a0 c41cd040 c41cd040 c6dd8000 # [ 72.807254] 9f40: b6e77000 00000000 00000000 00000004 c6dd9f94 c6dd9f60 c059c358 c059bcac # [ 72.815699] 9f60: 00000000 00000000 c6dd9fac 1e00fa73 0000000a 0000000a b6fbee00 00000004 # [ 72.824144] 9f80: c03002e4 c6dd8000 c6dd9fa4 c6dd9f98 c059c3e8 c059c2f0 00000000 c6dd9fa8 # [ 72.832590] 9fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 # [ 72.841035] 9fc0: 0000000a 0000000a b6fbee00 00000004 00000001 00000000 00020000 be939ac4 # [ 72.849482] 9fe0: 00000004 be9397f8 b6f28d8f b6eaf7e6 800e0030 00000001 00000000 00000000 # [ 72.857921] Backtrace: # [ 72.860649] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 72.869097] r7:c6dd9f60 r6:0000000a r5:c6aab000 r4:00000025 # [ 72.875031] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.883392] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.891673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.899858] r9:c6dd9f60 r8:c526b300 r7:0000000a r6:b6e77000 r5:c41cd040 r4:c0c588e8 # [ 72.907877] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 72.915977] r9:c07e20d0 r8:c6dd9f60 r7:c290d000 r6:b6e77000 r5:c41cd040 r4:00000000 # [ 72.923991] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.931395] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6dd8000 r5:c41cd040 # [ 72.939490] r4:c41cd040 # [ 72.942296] [] (ksys_write) from [[ 73.480680] lkdtm: Performing direct entry ACCESS_USERSPACE c3e8>] (sys_write+0x18/0x1c) # [<6>[ 73.486969] lkdtm: attempting bad read at b6ff1000 72.949702] r9:c6dd8000 r8:c03<1>[ 73.494798] 8<--- cut here --- 002e4 r7:00000004< 1r>6[: b 6 f7b.500946] Unhandled fault: page domain fault (0x01b) at 0xb6ff1000 ee00 r5:0000<010>0[a r 47:30.0509642] pgd = 4e9095b2 0000a # [ 72.9<517>7[2 0 ] 7[.514518] [b6ff1000] *pgd=49316831 ] (sys_writ [f r o73.520444] Internal error: : 1b [#10] SMP ARM m [] (ret_fast_syscall+<4>[ 73.527400] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 0x0/0x28) # [ <742>.[9 6 5753.559362] CPU: 1 PID: 2256 Comm: cat Tainted: G D W 5.10.211-cip44 #1 6] Excepti [s t a c7k3(.05x69443] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6dd9fa8 to 0xc6dd9ff0) # [ < 4 >[ 73.578065] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 2.970877] 9fa0: < 4 > 73.586153] LR is at __irq_work_queue_local+0x40/0x74 000000<04a> [0 0 0 07030.05a93970] pc : [] lr : [] psr: 600e0013 00000001 e[7 7 0 0703 .06002318] sp : c6927e38 ip : c6927d40 fp : c6927e64 0000a 0000<040>0[0 #7 3[. 6 09538] r10: 00000011 r9 : c1ad6018 r8 : c15ebd54 72.979326<]4 >9[f c 0 :7 30.06010844] r7 : c6927f60 r6 : 00000051 r5 : c6926000 r4 : b6ff1000 000a 0000<040>0[a b 67f3b.e62e5366] r3 : 777f72d2 r2 : 777f72d2 r1 : ef7965e0 r0 : 00000026 0 00000004 0<040>0[0 0 0 17 30.0633891] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000 000<240>0[0 0 b7e39.3694a194] Control: 10c5387d Table: 16f1004a DAC: 00000051 c4 # [ 72.9<807>7[7 0 ]7 39.f50934] Process cat (pid: 2256, stack limit = 0x92ad35a4) e0: 0000000<40 >b[e 9 3 9773f.86 8848] Stack: (0xc6927e38 to 0xc6928000) b6f28d8f b6e7[e 6 7#3 .[665289] 7e20: 00000022 00000000 72.993095] Code<:0 >b[a d P7C.675637] 7e40: 00000000 777f72d2 c6927e6c 00000026 c6859000 00000011 c6927e74 c6927e68 value # [ 72.9<906>5[3 4 ] 73.686156] 7e60: c0c58508 c0c593e8 c6927e9c c6927e78 c0c58a08 c0c584e8 c0c588e8 c4279680 --[ end trace 0<20f>a[e a 3 b773f696760] 7e80: b6eab000 00000011 c526b300 c6927f60 c6927ec4 c6927ea0 c07e2134 c0c588f4 43df2f ]--- # EC[_ N U L7L3.707192] 7ea0: 00000000 c4279680 b6eab000 c290d000 c6927f60 c07e20d0 c6927f5c c6927ec8 missing 'call tra:[' : [73.717712] 7ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6926000 AIL] not ok 36 l[f t e s7t3.728317] 7ee0: b6eab000 00020000 00000004 00000011 0001ffef c6927ee0 00000001 b6eaa000 : lkdtm: EXEC_L[L . s h7 3#.738835] 7f00: c428a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 exit=1 # selftt[s : l7k3d749267] 7f20: 00000000 00000000 c13e0ab0 777f72d2 c206c1a0 c4279680 c4279680 c6926000 tm: ACCESS_USERSC[E . s h7 3.759700] 7f40: b6eab000 00000000 00000000 00000004 c6927f94 c6927f60 c059c358 c059bcac <0>[ 73.770218] 7f60: 00000000 00000000 c6927fac 777f72d2 00000011 00000011 b6ff2e00 00000004 <0>[ 73.778664] 7f80: c03002e4 c6926000 c6927fa4 c6927f98 c059c3e8 c059c2f0 00000000 c6927fa8 <0>[ 73.787111] 7fa0: c03000c0 c059c3dc 00000011 00000011 00000001 b6eab000 00000011 00000000 <0>[ 73.795559] 7fc0: 00000011 00000011 b6ff2e00 00000004 00000001 00000000 00020000 bed34ac4 <0>[ 73.804005] 7fe0: 00000004 bed347f8 b6f5cd8f b6ee37e6 800e0030 00000001 00000000 00000000 <0>[ 73.812444] Backtrace: <0>[ 73.815170] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 73.824138] r6:00000011 r5:c6859000 r4:00000026 <0>[ 73.829025] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 73.837306] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 73.845493] r9:c6927f60 r8:c526b300 r7:00000011 r6:b6eab000 r5:c4279680 r4:c0c588e8 <0>[ 73.853512] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 73.861612] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6eab000 r5:c4279680 r4:00000000 <0>[ 73.869626] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.877031] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c6926000 r5:c4279680 <0>[ 73.885124] r4:c4279680 <0>[ 73.887929] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.895334] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000011 r4:00000011 <0>[ 73.903351] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.911185] Exception stack(0xc6927fa8 to 0xc6927ff0) <0>[ 73.916507] 7fa0: 00000011 00000011 00000001 b6eab000 00000011 00000000 <0>[ 73.924954] 7fc0: 00000011 00000011 b6ff2e00 00000004 00000001 00000000 00020000 bed34ac4 <0>[ 73.933398] 7fe0: 00000004 bed347f8 b6f5cd8f b6ee37e6 <0>[ 73.938718] Code: e1a01004 e3060f3c e34c01ad eb1d9c6b (e5943000) <4>[ 73.945082] ---[ end trace 02faea3b7f43df30 ]--- # Segmentation fault # [ 73.480680] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 73.486969] lkdtm: attempting bad read at b6ff1000 # [ 73.494798] 8<--- cut here --- # [ 73.500946] Unhandled fault: page domain fault (0x01b) at 0xb6ff1000 # [ 73.509642] pgd = 4e9095b2 # [ 73.514518] [b6ff1000] *pgd=49316831 # [ 73.520444] Internal error: : 1b [#10] SMP ARM # [ 73.527400] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 73.559362] CPU: 1 PID: 2256 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 73.569443] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.578065] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 73.586153] LR is at __irq_work_queue_local+0x40/0x74 # [ 73.593970] pc : [] lr : [] psr: 600e0013 # [ 73.602318] sp : c6927e38 ip : c6927d40 fp : c6927e64 # [ 73.609538] r10: 00000011 r9 : c1ad6018 r8 : c15ebd54 # [ 73.616844] r7 : c6927f60 r6 : 00000051 r5 : c6926000 r4 : b6ff1000 # [ 73.625366] r3 : 777f72d2 r2 : 777f72d2 r1 : ef7965e0 r0 : 00000026 # [ 73.633891] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.643194] Control: 10c5387d Table: 16f1004a DAC: 00000051 # [ 73.650934] Process cat (pid: 2256, stack limit = 0x92ad35a4) # [ 73.658848] Stack: (0xc6927e38 to 0xc6928000) # [ 73.665289] 7e20: 00000022 00000000 # [ 73.675637] 7e40: 00000000 777f72d2 c6927e6c 00000026 c6859000 00000011 c6927e74 c6927e68 # [ 73.686156] 7e60: c0c58508 c0c593e8 c6927e9c c6927e78 c0c58a08 c0c584e8 c0c588e8 c4279680 # [ 73.696760] 7e80: b6eab000 00000011 c526b300 c6927f60 c6927ec4 c6927ea0 c07e2134 c0c588f4 # [ 73.707192] 7ea0: 00000000 c4279680 b6eab000 c290d000 c6927f60 c07e20d0 c6927f5c c6927ec8 # [ 73.717712] 7ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6926000 # [ 73.728317] 7ee0: b6eab000 00020000 00000004 00000011 0001ffef c6927ee0 00000001 b6eaa000 # [ 73.738835] 7f00: c428a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.749267] 7f20: 00000000 00000000 c13e0ab0 777f72d2 c206c1a0 c4279680 c4279680 c6926000 # [ 73.759700] 7f40: b6eab000 00000000 00000000 00000004 c6927f94 c6927f60 c059c358 c059bcac # [ 73.770218] 7f60: 00000000 00000000 c6927fac 777f72d2 00000011 00000011 b6ff2e00 00000004 # [ 73.778664] 7f80: c03002e4 c6926000 c6927fa4 c6927f98 c059c3e8 c059c2f0 00000000 c6927fa8 # [ 73.787111] 7fa0: c03000c0 c059c3dc 00000011 00000011 00000001 b6eab000 00000011 00000000 # [ 73.795559] 7fc0: 00000011 00000011 b6ff2e00 00000004 00000001 00000000 00020000 bed34ac4 # [ 73.804005] 7fe0: 00000004 bed347f8 b6f5cd8f b6ee37e6 800e0030 00000001 00000000 00000000 # [ 73.812444] Backtrace: # [ 73.815170] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.824138] r6:00000011 r5:c6859000 r4:00000026 # [ 73.829025] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.837306] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.845493] r9:c6927f60 r8:c526b300 r7:00000011 r6:b6eab000 r5:c4279680 r4:c0c588e8 # [ 73.853512] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.861612] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6eab000 r5:c4279680 r4:00000000 # [ 73.869626] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 73.877031] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c6926000 r5:c4279680 # [ 73.885124] r4:c4279680 # [ 73.887929] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 73.895334] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000011 r4:00000011 # [ 73.903351] [] (sys_write) from [[ 74.412490] lkdtm: Performing direct entry ACCESS_NULL 000c0>] (ret_fast_syscl[+ 0 74.420353] lkdtm: attempting bad read at 00000000 0/0x28) # [ 73.911185] Excepti<1>[ 74.427815] 8<--- cut here --- on stack(0xc6927fa8 to 0xc6927ff0<1>[ 74.434018] Unable to handle kernel NULL pointer dereference at virtual address 00000000 ) # [ 73.916507] 7fa0: <1>[ 74.445299] pgd = 6364e4a7 00000011 00000011 0000<1>[ 74.451006] [00000000] *pgd=00000000 0001 b6eab000 00000011 00000000 <0>[ 74.457734] Internal error: Oops: 5 [#11] SMP ARM # [ 73.924954] 7fc0: 00000011 0<4>[ 74.465516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 0000011 b6ff2e00 <040>0[0 0 0 074.497489] CPU: 3 PID: 2332 Comm: cat Tainted: G D W 5.10.211-cip44 #1 00000001 00<040>0[0 0 0 7040.0507570] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000 bed34ac4 # [ 73.933398<]4>[ 74.516279] PC is at lkdtm_ACCESS_NULL+0x28/0x68 7fe0: 00000004 bed347f8 b6c[ 74.523845] LR is at __irq_work_queue_local+0x40/0x74 8f b6ee37 [ # [7 4 . 5733662] pc : [] lr : [] psr: 600e0013 .938718]< 4C>o[d e :7 4e.15a309123] sp : c5e91e50 ip : c5e91d58 fp : c5e91e64 004 e3060f<34c> [e 3 4 c7041.a5d47057] r10: 0000000c r9 : c1ad602c r8 : c15ebd54 eb1d9c6b< 4(>e[5 9 4 37040.05)5 4362] r7 : c5e91f60 r6 : 0000000c r5 : c5c3a000 r4 : 00000000 # [ 73<.49>4[5 0 8724]. 5-6-2885] r3 : 179c3d0a r2 : 179c3d0a r1 : ef7c05e0 r0 : 00000026 [ end trace 0<24f>a[e a 3 b774f.471409] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 3df30 ]--- <#4 >A[C C E S7S4_.U580712] Control: 10c5387d Table: 16a9c04a DAC: 00000051 ERSPACE: missg[ ' c a7l4l. 88627] Process cat (pid: 2332, stack limit = 0x5f12a6b8) trace:': [FA][ n o7t4. 5o6539] Stack: (0xc5e91e50 to 0xc5e92000) k 37 selftests: d[t m : 7A4.602981] 1e40: 00000027 c5c3a000 c5e91e74 c5e91e68 CESS_USERSPACE. [# e x7i4t613500] 1e60: c0c58508 c13cb768 c5e91e9c c5e91e78 c0c58a08 c0c584e8 c0c588e8 c4274b40 =1 # selftests<:0 >l[k d t m7:4 623933] 1e80: b6e9c000 0000000c c526b300 c5e91f60 c5e91ec4 c5e91ea0 c07e2134 c0c588f4 ACCESS_NULL.sh <0>[ 74.634364] 1ea0: 00000000 c4274b40 b6e9c000 c290d000 c5e91f60 c07e20d0 c5e91f5c c5e91ec8 <0>[ 74.644188] 1ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5e90000 <0>[ 74.652634] 1ee0: b6e9c000 00020000 00000004 0000000c 0001fff4 c5e91ee0 00000001 b6e9b000 <0>[ 74.661080] 1f00: c6890640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.669527] 1f20: 00000000 00000000 c13e0ab0 179c3d0a c206c1a0 c4274b40 c4274b40 c5e90000 <0>[ 74.677971] 1f40: b6e9c000 00000000 00000000 00000004 c5e91f94 c5e91f60 c059c358 c059bcac <0>[ 74.686418] 1f60: 00000000 00000000 c5e91fac 179c3d0a 0000000c 0000000c b6fe3e00 00000004 <0>[ 74.694863] 1f80: c03002e4 c5e90000 c5e91fa4 c5e91f98 c059c3e8 c059c2f0 00000000 c5e91fa8 <0>[ 74.703309] 1fa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e9c000 0000000c 00000000 <0>[ 74.711754] 1fc0: 0000000c 0000000c b6fe3e00 00000004 00000001 00000000 00020000 bef9eac4 <0>[ 74.720202] 1fe0: 00000004 bef9e7f8 b6f4dd8f b6ed47e6 800e0030 00000001 00000000 00000000 <0>[ 74.728642] Backtrace: <0>[ 74.731372] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.739903] r5:c5c3a000 r4:00000027 <0>[ 74.743751] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.752031] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.760220] r9:c5e91f60 r8:c526b300 r7:0000000c r6:b6e9c000 r5:c4274b40 r4:c0c588e8 <0>[ 74.768240] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.776340] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6e9c000 r5:c4274b40 r4:00000000 <0>[ 74.784354] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.791758] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c5e90000 r5:c4274b40 <0>[ 74.799852] r4:c4274b40 <0>[ 74.802657] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.810060] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:0000000c r4:0000000c <0>[ 74.818078] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.825914] Exception stack(0xc5e91fa8 to 0xc5e91ff0) <0>[ 74.831233] 1fa0: 0000000c 0000000c 00000001 b6e9c000 0000000c 00000000 <0>[ 74.839678] 1fc0: 0000000c 0000000c b6fe3e00 00000004 00000001 00000000 00020000 bef9eac4 <0>[ 74.848121] 1fe0: 00000004 bef9e7f8 b6f4dd8f b6ed47e6 <0>[ 74.853441] Code: e3060f3c e34c01ad e1a01004 ebffd3c6 (e5945000) <4>[ 74.859865] ---[ end trace 02faea3b7f43df31 ]--- # Segmentation fault # [ 74.412490] lkdtm: Performing direct entry ACCESS_NULL # [ 74.420353] lkdtm: attempting bad read at 00000000 # [ 74.427815] 8<--- cut here --- # [ 74.434018] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 74.445299] pgd = 6364e4a7 # [ 74.451006] [00000000] *pgd=00000000 # [ 74.457734] Internal error: Oops: 5 [#11] SMP ARM # [ 74.465516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.497489] CPU: 3 PID: 2332 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 74.507570] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.516279] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 74.523845] LR is at __irq_work_queue_local+0x40/0x74 # [ 74.531662] pc : [] lr : [] psr: 600e0013 # [ 74.539923] sp : c5e91e50 ip : c5e91d58 fp : c5e91e64 # [ 74.547057] r10: 0000000c r9 : c1ad602c r8 : c15ebd54 # [ 74.554362] r7 : c5e91f60 r6 : 0000000c r5 : c5c3a000 r4 : 00000000 # [ 74.562885] r3 : 179c3d0a r2 : 179c3d0a r1 : ef7c05e0 r0 : 00000026 # [ 74.571409] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.580712] Control: 10c5387d Table: 16a9c04a DAC: 00000051 # [ 74.588627] Process cat (pid: 2332, stack limit = 0x5f12a6b8) # [ 74.596539] Stack: (0xc5e91e50 to 0xc5e92000) # [ 74.602981] 1e40: 00000027 c5c3a000 c5e91e74 c5e91e68 # [ 74.613500] 1e60: c0c58508 c13cb768 c5e91e9c c5e91e78 c0c58a08 c0c584e8 c0c588e8 c4274b40 # [ 74.623933] 1e80: b6e9c000 0000000c c526b300 c5e91f60 c5e91ec4 c5e91ea0 c07e2134 c0c588f4 # [ 74.634364] 1ea0: 00000000 c4274b40 b6e9c000 c290d000 c5e91f60 c07e20d0 c5e91f5c c5e91ec8 # [ 74.644188] 1ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5e90000 # [ 74.652634] 1ee0: b6e9c000 00020000 00000004 0000000c 0001fff4 c5e91ee0 00000001 b6e9b000 # [ 74.661080] 1f00: c6890640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.669527] 1f20: 00000000 00000000 c13e0ab0 179c3d0a c206c1a0 c4274b40 c4274b40 c5e90000 # [ 74.677971] 1f40: b6e9c000 00000000 00000000 00000004 c5e91f94 c5e91f60 c059c358 c059bcac # [ 74.686418] 1f60: 00000000 00000000 c5e91fac 179c3d0a 0000000c 0000000c b6fe3e00 00000004 # [ 74.694863] 1f80: c03002e4 c5e90000 c5e91fa4 c5e91f98 c059c3e8 c059c2f0 00000000 c5e91fa8 # [ 74.703309] 1fa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e9c000 0000000c 00000000 # [ 74.711754] 1fc0: 0000000c 0000000c b6fe3e00 00000004 00000001 00000000 00020000 bef9eac4 # [ 74.720202] 1fe0: 00000004 bef9e7f8 b6f4dd8f b6ed47e6 800e0030 00000001 00000000 00000000 # [ 74.728642] Backtrace: # [ 74.731372] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.739903] r5:c5c3a000 r4:00000027 # [ 74.743751] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.752031] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.760220] r9:c5e91f60 r8:c526b300 r7:0000000c r6:b6e9c000 r5:c4274b40 r4:c0c588e8 # [ 74.768240] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.776340] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6e9c000 r5:c4274b40 r4:00000000 # [ 74.784354] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.791758] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c5e90000 r5:c4274b40 # [ 74.799852] r4:c4274b40 # [ 74.802657] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.810060] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:0000000c r4:0000000c # [ 74.818078] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.825914] Exception stack(0xc5e91fa8 to 0xc5e91ff0) # [ 74.831233] 1fa0: 0000000c 0000000c 00000001 b6e9c000 0000000c 00000000 # [ 74.839678] 1fc0: 0000000c 0000000c b6fe3e00 00000004 00000001 00000000 00020000 bef9eac4 # [ 74.848121] 1fe0: 00000004 bef9e7f8 b6f4dd8f b6ed47e6 # [ 74.853441] Code: e3060f3c e34c01ad e1a01004 ebffd3c6 (e5945000) # [ 74.859865] ---[ end trace 02faea3b7f43df31 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lk<6>[ 75.371335] lkdtm: Performing direct entry WRITE_RO dtm: ACCESS_NULL.sh #< 6e>x[i t =75.377888] lkdtm: attempting bad rodata write at c15ebfec 1 # selftests: lkdtm: WRITE_RO.s<1>[ 75.385947] 8<--- cut here --- h <1>[ 75.392073] Unable to handle kernel paging request at virtual address c15ebfec <1>[ 75.399814] pgd = c5330998 <1>[ 75.402801] [c15ebfec] *pgd=1141941e(bad) <0>[ 75.407130] Internal error: Oops: 80d [#12] SMP ARM <4>[ 75.412294] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 75.441848] CPU: 2 PID: 2407 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 75.449877] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.456707] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 75.461370] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 75.466706] pc : [] lr : [] psr: 600e0013 <4>[ 75.473256] sp : c5e91e50 ip : c5e91d58 fp : c5e91e64 <4>[ 75.478764] r10: 00000009 r9 : c1ad6038 r8 : c15ebd54 <4>[ 75.484271] r7 : c5e91f60 r6 : 00000009 r5 : c6df3000 r4 : c15ebfec <4>[ 75.491081] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad6e3c <4>[ 75.497896] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.505313] Control: 10c5387d Table: 15ec004a DAC: 00000051 <0>[ 75.511346] Process cat (pid: 2407, stack limit = 0x5f12a6b8) <0>[ 75.517378] Stack: (0xc5e91e50 to 0xc5e92000) <0>[ 75.522028] 1e40: 00000028 c6df3000 c5e91e74 c5e91e68 <0>[ 75.530499] 1e60: c0c58508 c13cb568 c5e91e9c c5e91e78 c0c58a08 c0c584e8 c0c588e8 c4277e00 <0>[ 75.538970] 1e80: b6dcc000 00000009 c526b300 c5e91f60 c5e91ec4 c5e91ea0 c07e2134 c0c588f4 <0>[ 75.547440] 1ea0: 00000000 c4277e00 b6dcc000 c290d000 c5e91f60 c07e20d0 c5e91f5c c5e91ec8 <0>[ 75.555909] 1ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5e90000 <0>[ 75.564379] 1ee0: b6dcc000 00020000 00000004 00000009 0001fff7 c5e91ee0 00000001 b6dcb000 <0>[ 75.572848] 1f00: c4662780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.581318] 1f20: 00000000 00000000 c13e0ab0 238101a6 c206c1a0 c4277e00 c4277e00 c5e90000 <0>[ 75.589788] 1f40: b6dcc000 00000000 00000000 00000004 c5e91f94 c5e91f60 c059c358 c059bcac <0>[ 75.598256] 1f60: 00000000 00000000 c5e91fac 238101a6 00000009 00000009 b6f13e00 00000004 <0>[ 75.606726] 1f80: c03002e4 c5e90000 c5e91fa4 c5e91f98 c059c3e8 c059c2f0 00000000 c5e91fa8 <0>[ 75.615196] 1fa0: c03000c0 c059c3dc 00000009 00000009 00000001 b6dcc000 00000009 00000000 <0>[ 75.623665] 1fc0: 00000009 00000009 b6f13e00 00000004 00000001 00000000 00020000 bea0bac4 <0>[ 75.632135] 1fe0: 00000004 bea0b7f8 b6e7dd8f b6e047e6 800e0030 00000001 00000000 00000000 <0>[ 75.640590] Backtrace: <0>[ 75.643355] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.651650] r5:c6df3000 r4:00000028 <0>[ 75.655521] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.663831] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.672044] r9:c5e91f60 r8:c526b300 r7:00000009 r6:b6dcc000 r5:c4277e00 r4:c0c588e8 <0>[ 75.680096] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.688220] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6dcc000 r5:c4277e00 r4:00000000 <0>[ 75.696262] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.703691] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5e90000 r5:c4277e00 <0>[ 75.711802] r4:c4277e00 <0>[ 75.714633] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.722060] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000009 r4:00000009 <0>[ 75.730101] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.737954] Exception stack(0xc5e91fa8 to 0xc5e91ff0) <0>[ 75.743295] 1fa0: 00000009 00000009 00000001 b6dcc000 00000009 00000000 <0>[ 75.751766] 1fc0: 00000009 00000009 b6f13e00 00000004 00000001 00000000 00020000 bea0bac4 <0>[ 75.760230] 1fe0: 00000004 bea0b7f8 b6e7dd8f b6e047e6 <0>[ 75.765575] Code: e34a3bcd e3060e3c e34c01ad e0233002 (e5843000) <4>[ 75.771966] ---[ end trace 02faea3b7f43df32 ]--- # Segmentation fault # [ 75.371335] lkdtm: Performing direct entry WRITE_RO # [ 75.377888] lkdtm: attempting bad rodata write at c15ebfec # [ 75.385947] 8<--- cut here --- # [ 75.392073] Unable to handle kernel paging request at virtual address c15ebfec # [ 75.399814] pgd = c5330998 # [ 75.402801] [c15ebfec] *pgd=1141941e(bad) # [ 75.407130] Internal error: Oops: 80d [#12] SMP ARM # [ 75.412294] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.441848] CPU: 2 PID: 2407 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 75.449877] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.456707] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 75.461370] LR is at __irq_work_queue_local+0x40/0x74 # [ 75.466706] pc : [] lr : [] psr: 600e0013 # [ 75.473256] sp : c5e91e50 ip : c5e91d58 fp : c5e91e64 # [ 75.478764] r10: 00000009 r9 : c1ad6038 r8 : c15ebd54 # [ 75.484271] r7 : c5e91f60 r6 : 00000009 r5 : c6df3000 r4 : c15ebfec # [ 75.491081] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad6e3c # [ 75.497896] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.505313] Control: 10c5387d Table: 15ec004a DAC: 00000051 # [ 75.511346] Process cat (pid: 2407, stack limit = 0x5f12a6b8) # [ 75.517378] Stack: (0xc5e91e50 to 0xc5e92000) # [ 75.522028] 1e40: 00000028 c6df3000 c5e91e74 c5e91e68 # [ 75.530499] 1e60: c0c58508 c13cb568 c5e91e9c c5e91e78 c0c58a08 c0c584e8 c0c588e8 c4277e00 # [ 75.538970] 1e80: b6dcc000 00000009 c526b300 c5e91f60 c5e91ec4 c5e91ea0 c07e2134 c0c588f4 # [ 75.547440] 1ea0: 00000000 c4277e00 b6dcc000 c290d000 c5e91f60 c07e20d0 c5e91f5c c5e91ec8 # [ 75.555909] 1ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c5e90000 # [ 75.564379] 1ee0: b6dcc000 00020000 00000004 00000009 0001fff7 c5e91ee0 00000001 b6dcb000 # [ 75.572848] 1f00: c4662780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.581318] 1f20: 00000000 00000000 c13e0ab0 238101a6 c206c1a0 c4277e00 c4277e00 c5e90000 # [ 75.589788] 1f40: b6dcc000 00000000 00000000 00000004 c5e91f94 c5e91f60 c059c358 c059bcac # [ 75.598256] 1f60: 00000000 00000000 c5e91fac 238101a6 00000009 00000009 b6f13e00 00000004 # [ 75.606726] 1f80: c03002e4 c5e90000 c5e91fa4 c5e91f98 c059c3e8 c059c2f0 00000000 c5e91fa8 # [ 75.615196] 1fa0: c03000c0 c059c3dc 00000009 00000009 00000001 b6dcc000 00000009 00000000 # [ 75.623665] 1fc0: 00000009 00000009 b6f13e00 00000004 00000001 00000000 00020000 bea0bac4 # [ 75.632135] 1fe0: 00000004 bea0b7f8 b6e7dd8f b6e047e6 800e0030 00000001 00000000 00000000 # [ 75.640590] Backtrace: # [ 75.643355] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.651650] r5:c6df3000 r4:00000028 # [ 75.655521] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.663831] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.672044] r9:c5e91f60 r8:c526b300 r7:00000009 r6:b6dcc000 r5:c4277e00 r4:c0c588e8 # [ 75.680096] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.688220] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6dcc000 r5:c4277e00 r4:00000000 # [ 75.696262] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.703691] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5e90000 r5:c4277e00 # [ 75.711802] r4:c4277e00 # [ 75.714633] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.722060] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000009 r4:00000009 # [ 75.730101] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.737954] Exception stack(0xc5e91fa8 to 0xc5e91ff0) # [ 75.743295] 1fa<6>[ 76.289252] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 0: 00000009 000<6>[ 76.296019] lkdtm: attempting bad ro_after_init write at c1b89c74 00009 00000001 b6dcc000 00000009 <1>[ 76.305065] 8<--- cut here --- 00000000 # [ 75.75<117>6[6 ] 76.311191] Unable to handle kernel paging request at virtual address c1b89c74 1fc0: 00000009 000000<019> [b 6 f76.320937] pgd = b44bb1ab 13e00 00000004 00000001 00000000 <1>[ 76.326168] [c1b89c74] *pgd=11a1941e(bad) 00020000 bea0bac4 # [ 75.760<2>[ 76.333320] Internal error: Oops: 80d [#13] SMP ARM 30] 1fe0: 00000004 bea0b7f8 b6e7d<4>[ 76.341150] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 d8f b6e047e6 # [ 75.765575]< 4>[ 76.373122] CPU: 3 PID: 2482 Comm: cat Tainted: G D W 5.10.211-cip44 #1 ode: e34a3bcd e3060c[ e 3 46.383816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c01ad e0233002 (e5843000) # [ <4>[ 76.392804] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 75.771966] ---[ end trace 02faea<4>[ 76.401248] LR is at __irq_work_queue_local+0x40/0x74 3b7f43df32 ]--- #< 4W>R[I T E _76.409406] pc : [] lr : [] psr: 600e0013 O: missing 'call< 4t>r[a c e :7'6.418110] sp : c4125e50 ip : c4125d58 fp : c4125e64 [FAIL] not ok 39< 4s>e[l f t e76.425687] r10: 00000014 r9 : c1ad6044 r8 : c15ebd54 ts: lkdtm: WRITE<_4R>O[. s h 7#6.433351] r7 : c4125f60 r6 : 00000014 r5 : c6d46000 r4 : c1b89c74 exit=1 # selftes:[ l k d7t.442231] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad6e3c m: WT[E _ R O7_6A.F4T5E1R1_13] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none NIT.sh <4>[ 76.460092] Control: 10c5387d Table: 16ca004a DAC: 00000051 <0>[ 76.466803] Process cat (pid: 2482, stack limit = 0xf7a483d5) <0>[ 76.472837] Stack: (0xc4125e50 to 0xc4126000) <0>[ 76.477487] 5e40: 00000029 c6d46000 c4125e74 c4125e68 <0>[ 76.485958] 5e60: c0c58508 c13cb5b8 c4125e9c c4125e78 c0c58a08 c0c584e8 c0c588e8 c6890a00 <0>[ 76.494428] 5e80: b6e96000 00000014 c526b300 c4125f60 c4125ec4 c4125ea0 c07e2134 c0c588f4 <0>[ 76.502899] 5ea0: 00000000 c6890a00 b6e96000 c290d000 c4125f60 c07e20d0 c4125f5c c4125ec8 <0>[ 76.511369] 5ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c4124000 <0>[ 76.519839] 5ee0: b6e96000 00020000 00000004 00000014 0001ffec c4125ee0 00000001 b6e95000 <0>[ 76.528308] 5f00: c4276c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.536779] 5f20: 00000000 00000000 c13e0ab0 3d7a04c3 c206c1a0 c6890a00 c6890a00 c4124000 <0>[ 76.545249] 5f40: b6e96000 00000000 00000000 00000004 c4125f94 c4125f60 c059c358 c059bcac <0>[ 76.553719] 5f60: 00000000 00000000 c4125fac 3d7a04c3 00000014 00000014 b6fdde00 00000004 <0>[ 76.562189] 5f80: c03002e4 c4124000 c4125fa4 c4125f98 c059c3e8 c059c2f0 00000000 c4125fa8 <0>[ 76.570658] 5fa0: c03000c0 c059c3dc 00000014 00000014 00000001 b6e96000 00000014 00000000 <0>[ 76.579125] 5fc0: 00000014 00000014 b6fdde00 00000004 00000001 00000000 00020000 be838ac4 <0>[ 76.587596] 5fe0: 00000004 be8387f8 b6f47d8f b6ece7e6 800e0030 00000001 00000000 00000000 <0>[ 76.596050] Backtrace: <0>[ 76.598819] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.608066] r5:c6d46000 r4:00000029 <0>[ 76.611938] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.620247] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.628461] r9:c4125f60 r8:c526b300 r7:00000014 r6:b6e96000 r5:c6890a00 r4:c0c588e8 <0>[ 76.636509] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.644636] r9:c07e20d0 r8:c4125f60 r7:c290d000 r6:b6e96000 r5:c6890a00 r4:00000000 <0>[ 76.652677] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.660106] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c4124000 r5:c6890a00 <0>[ 76.668216] r4:c6890a00 <0>[ 76.671045] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.678473] r9:c4124000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000014 r4:00000014 <0>[ 76.686512] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.694365] Exception stack(0xc4125fa8 to 0xc4125ff0) <0>[ 76.699709] 5fa0: 00000014 00000014 00000001 b6e96000 00000014 00000000 <0>[ 76.708179] 5fc0: 00000014 00000014 b6fdde00 00000004 00000001 00000000 00020000 be838ac4 <0>[ 76.716645] 5fe0: 00000004 be8387f8 b6f47d8f b6ece7e6 <0>[ 76.721989] Code: e34a3bcd e3060e3c e34c01ad e0233002 (e5843000) <4>[ 76.728376] ---[ end trace 02faea3b7f43df33 ]--- # Segmentation fault # [ 76.289252] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 76.296019] lkdtm: attempting bad ro_after_init write at c1b89c74 # [ 76.305065] 8<--- cut here --- # [ 76.311191] Unable to handle kernel paging request at virtual address c1b89c74 # [ 76.320937] pgd = b44bb1ab # [ 76.326168] [c1b89c74] *pgd=11a1941e(bad) # [ 76.333320] Internal error: Oops: 80d [#13] SMP ARM # [ 76.341150] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.373122] CPU: 3 PID: 2482 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 76.383816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.392804] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 76.401248] LR is at __irq_work_queue_local+0x40/0x74 # [ 76.409406] pc : [] lr : [] psr: 600e0013 # [ 76.418110] sp : c4125e50 ip : c4125d58 fp : c4125e64 # [ 76.425687] r10: 00000014 r9 : c1ad6044 r8 : c15ebd54 # [ 76.433351] r7 : c4125f60 r6 : 00000014 r5 : c6d46000 r4 : c1b89c74 # [ 76.442231] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad6e3c # [ 76.451113] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.460092] Control: 10c5387d Table: 16ca004a DAC: 00000051 # [ 76.466803] Process cat (pid: 2482, stack limit = 0xf7a483d5) # [ 76.472837] Stack: (0xc4125e50 to 0xc4126000) # [ 76.477487] 5e40: 00000029 c6d46000 c4125e74 c4125e68 # [ 76.485958] 5e60: c0c58508 c13cb5b8 c4125e9c c4125e78 c0c58a08 c0c584e8 c0c588e8 c6890a00 # [ 76.494428] 5e80: b6e96000 00000014 c526b300 c4125f60 c4125ec4 c4125ea0 c07e2134 c0c588f4 # [ 76.502899] 5ea0: 00000000 c6890a00 b6e96000 c290d000 c4125f60 c07e20d0 c4125f5c c4125ec8 # [ 76.511369] 5ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c4124000 # [ 76.519839] 5ee0: b6e96000 00020000 00000004 00000014 0001ffec c4125ee0 00000001 b6e95000 # [ 76.528308] 5f00: c4276c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.536779] 5f20: 00000000 00000000 c13e0ab0 3d7a04c3 c206c1a0 c6890a00 c6890a00 c4124000 # [ 76.545249] 5f40: b6e96000 00000000 00000000 00000004 c4125f94 c4125f60 c059c358 c059bcac # [ 76.553719] 5f60: 00000000 00000000 c4125fac 3d7a04c3 00000014 00000014 b6fdde00 00000004 # [ 76.562189] 5f80: c03002e4 c4124000 c4125fa4 c4125f98 c059c3e8 c059c2f0 00000000 c4125fa8 # [ 76.570658] 5fa0: c03000c0 c059c3dc 00000014 00000014 00000001 b6e96000 00000014 00000000 # [ 76.579125] 5fc0: 00000014 00000014 b6fdde00 00000004 00000001 00000000 00020000 be838ac4 # [ 76.587596] 5fe0: 00000004 be8387f8 b6f47d8f b6ece7e6 800e0030 00000001 00000000 00000000 # [ 76.596050] Backtrace: # [ 76.598819] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.608066] r5:c6d46000 r4:00000029 # [ 76.611938] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.620247] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.628461] r9:c4125f60 r8:c526b300 r7:00000014 r6:b6e96000 r5:c6890a00 r4:c0c588e8 # [ 76.636509] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.644636] r9:c07e20d0 r8:c4125f60 r7:c290d000 r6:b6e96000 r5:c6890a00 r4:00000000 # [ 76.652677] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.660106] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c4124000 r5:c6890a00 # [ 76.668216] r4:c6890a00 # [ 76.671045] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.678473] r9:c4124000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000014 r4:00000014 # [ 76.686512] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.694365] Exception stack(0xc4125fa8 to 0xc4125ff0) # [ 76.699709] 5fa0: 00000014 00000014 00000001 b6e96000 00000014 00000000 # [ 76.708179] 5fc0: 00000014 00000014 b6fdde00 00000004 00000001 00000000 00020000 be838ac4 # [ 76.716645] 5fe0: 00000004 be8387f8 b6f47d8f b6ece7e6 # [ 76.721989] Code: e34a3bcd e3060e3c e34c01ad e0233002 (e5843000) # [ 76.728376] ---[ end trace 02faea3b7f43df33 ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh <6>[ 77.285545] lkdtm: Performing direct entry WRITE_KERN <6>[ 77.290888] lkdtm: attempting bad 7807500 byte write at c13cb484 <1>[ 77.297239] 8<--- cut here --- <1>[ 77.300570] Unable to handle kernel paging request at virtual address c13cb484 <1>[ 77.308066] pgd = a7747ac6 <1>[ 77.311044] [c13cb484] *pgd=1121940e(bad) <0>[ 77.315352] Internal error: Oops: 80d [#14] SMP ARM <4>[ 77.320516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.350073] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 77.358103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.364930] PC is at memcpy+0x50/0x330 <4>[ 77.368967] LR is at 0xe92dd830 <4>[ 77.372393] pc : [] lr : [] psr: 200e0013 <4>[ 77.378942] sp : c6927e2c ip : e1a0c00d fp : c6927e64 <4>[ 77.384450] r10: 0000000b r9 : c1ad6058 r8 : e89da800 <4>[ 77.389959] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 77.396771] r3 : e1a0c00d r2 : 0077216c r1 : c0c59298 r0 : c13cb484 <4>[ 77.403585] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.411002] Control: 10c5387d Table: 16dc004a DAC: 00000051 <0>[ 77.417034] Process cat (pid: 2557, stack limit = 0x92ad35a4) <0>[ 77.423064] Stack: (0xc6927e2c to 0xc6928000) <0>[ 77.427717] 7e20: c0c59278 0077220c c6927f60 c15ebd54 c13cb484 <0>[ 77.436189] 7e40: c13cb484 c13cb668 0000002a c6a78000 0000000b c6927f60 c6927e74 c6927e68 <0>[ 77.444659] 7e60: c0c58508 c13cb628 c6927e9c c6927e78 c0c58a08 c0c584e8 c0c588e8 c41de3c0 <0>[ 77.453130] 7e80: b6e74000 0000000b c526b300 c6927f60 c6927ec4 c6927ea0 c07e2134 c0c588f4 <0>[ 77.461600] 7ea0: 00000000 c41de3c0 b6e74000 c290d000 c6927f60 c07e20d0 c6927f5c c6927ec8 <0>[ 77.470069] 7ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6926000 <0>[ 77.478540] 7ee0: b6e74000 00020000 00000004 0000000b 0001fff5 c6927ee0 00000001 b6e73000 <0>[ 77.487008] 7f00: c6bc3e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.495479] 7f20: 00000000 00000000 c13e0ab0 e31b2224 c206c1a0 c41de3c0 c41de3c0 c6926000 <0>[ 77.503947] 7f40: b6e74000 00000000 00000000 00000004 c6927f94 c6927f60 c059c358 c059bcac <0>[ 77.512417] 7f60: 00000000 00000000 c6927fac e31b2224 0000000b 0000000b b6fbbe00 00000004 <0>[ 77.520885] 7f80: c03002e4 c6926000 c6927fa4 c6927f98 c059c3e8 c059c2f0 00000000 c6927fa8 <0>[ 77.529354] 7fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 <0>[ 77.537823] 7fc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 bed2aac4 <0>[ 77.546293] 7fe0: 00000004 bed2a7f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000 <0>[ 77.554747] Backtrace: <0>[ 77.557521] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.565995] r7:c6927f60 r6:0000000b r5:c6a78000 r4:0000002a <0>[ 77.571951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.580261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.588474] r9:c6927f60 r8:c526b300 r7:0000000b r6:b6e74000 r5:c41de3c0 r4:c0c588e8 <0>[ 77.596525] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.604650] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6e74000 r5:c41de3c0 r4:00000000 <0>[ 77.612689] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.620119] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6926000 r5:c41de3c0 <0>[ 77.628230] r4:c41de3c0 <0>[ 77.631060] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.638488] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000b r4:0000000b <0>[ 77.646529] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.654380] Exception stack(0xc6927fa8 to 0xc6927ff0) <0>[ 77.659725] 7fa0: 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 <0>[ 77.668197] 7fc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 bed2aac4 <0>[ 77.676660] 7fe0: 00000004 bed2a7f8 b6f25d8f b6eac7e6 <0>[ 77.682003] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 77.688390] ---[ end trace 02faea3b7f43df34 ]--- # Segmentation fault # [ 77.285545] lkdtm: Performing direct entry WRITE_KERN # [ 77.290888] lkdtm: attempting bad 7807500 byte write at c13cb484 # [ 77.297239] 8<--- cut here --- # [ 77.300570] Unable to handle kernel paging request at virtual address c13cb484 # [ 77.308066] pgd = a7747ac6 # [ 77.311044] [c13cb484] *pgd=1121940e(bad) # [ 77.315352] Internal error: Oops: 80d [#14] SMP ARM # [ 77.320516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.350073] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 77.358103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.364930] PC is at memcpy+0x50/0x330 # [ 77.368967] LR is at 0xe92dd830 # [ 77.372393] pc : [] lr : [] psr: 200e0013 # [ 77.378942] sp : c6927e2c ip : e1a0c00d fp : c6927e64 # [ 77.384450] r10: 0000000b r9 : c1ad6058 r8 : e89da800 # [ 77.389959] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 77.396771] r3 : e1a0c00d r2 : 0077216c r1 : c0c59298 r0 : c13cb484 # [ 77.403585] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.411002] Control: 10c5387d Table: 16dc004a DAC: 00000051 # [ 77.417034] Process cat (pid: 2557, stack limit = 0x92ad35a4) # [ 77.423064] Stack: (0xc6927e2c to 0xc6928000) # [ 77.427717] 7e20: c0c59278 0077220c c6927f60 c15ebd54 c13cb484 # [ 77.436189] 7e40: c13cb484 c13cb668 0000002a c6a78000 0000000b c6927f60 c6927e74 c6927e68 # [ 77.444659] 7e60: c0c58508 c13cb628 c6927e9c c6927e78 c0c58a08 c0c584e8 c0c588e8 c41de3c0 # [ 77.453130] 7e80: b6e74000 0000000b c526b300 c6927f60 c6927ec4 c6927ea0 c07e2134 c0c588f4 # [ 77.461600] 7ea0: 00000000 c41de3c0 b6e74000 c290d000 c6927f60 c07e20d0 c6927f5c c6927ec8 # [ 77.470069] 7ec0: c059bdac c07e20dc 00000001 00000000 c059c358 c13e0ab0 c059c358 c6926000 # [ 77.478540] 7ee0: b6e74000 00020000 00000004 0000000b 0001fff5 c6927ee0 00000001 b6e73000 # [ 77.487008] 7f00: c6bc3e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.495479] 7f20: 00000000 00000000 c13e0ab0 e31b2224 c206c1a0 c41de3c0 c41de3c0 c6926000 # [ 77.503947] 7f40: b6e74000 00000000 00000000 00000004 c6927f94 c6927f60 c059c358 c059bcac # [ 77.512417] 7f60: 00000000 00000000 c6927fac e31b2224 0000000b 0000000b b6fbbe00 00000004 # [ 77.520885] 7f80: c03002e4 c6926000 c6927fa4 c6927f98 c059c3e8 c059c2f0 00000000 c6927fa8 # [ 77.529354] 7fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 # [ 77.537823] 7fc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 bed2aac4 # [ 77.546293] 7fe0: 00000004 bed2a7f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000 # [ 77.554747] Backtrace: # [ 77.557521] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.565995] r7:c6927f60 r6:0000000b r5:c6a78000 r4:0000002a # [ 77.571951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.580261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.588474] r9:c6927f60 r8:c526b300 r7:0000000b r6:b6e74000 r5:c41de3c0 r4:c0c588e8 # [ 77.596525] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.604650] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6e74000 r5:c41de3c0 r4:00000000 # [ 77.612689] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.620119] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6926000 r5:c41de3c0 # [ 77.628230] r4:c41de3c0 # [ 77.631060] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.638488] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000b r4:0000000b # [ 77.646529] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.654380] Exception stack(0xc6927fa8 to 0xc6927ff0) # [ 77.659725] 7fa0: 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 # [ <6>[ 78.212718] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 77.668197] 7fc0: 0000000b 00000<6>[ 78.221894] lkdtm: attempting good refcount_inc() without overflow 00b b6fbbe00 00000004 00000001 00<6>[ 78.231208] lkdtm: attempting bad refcount_inc() overflow 000000 00020000 bed2aac4 # [ 7<4>[ 78.239726] ------------[ cut here ]------------ 7.676660] 7fe0: 00000004 bed2a7f8<4>[ 78.247527] WARNING: CPU: 0 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 b6f25d8f b6eac7e6 # [ 77.6820<4>[ 78.259167] refcount_t: saturated; leaking memory. 03] Code: f5d1f05c f5d1f07c e8b15<4>[ 78.267042] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 1f8 e2522020 (e8a051f8) # [ 7<4>[ 78.299039] CPU: 0 PID: 2633 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 78.309861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.316655] Backtrace: <4>[ 78.319385] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 78.327226] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 78.333157] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 78.340741] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 78.347972] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c <4>[ 78.355986] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 78.363735] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c6ca4000 <4>[ 78.369666] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 78.378893] r9:c1ad6064 r8:c15ebd54 r7:c6ca5f60 r6:00000016 r5:c6de5000 r4:c6ca4000 <4>[ 78.386909] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 78.396837] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 78.407196] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 78.416591] r4:0000002b <4>[ 78.419394] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 78.427674] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 78.435859] r9:c6ca5f60 r8:c526b300 r7:00000016 r6:b6e97000 r5:c2f83680 r4:c0c588e8 <4>[ 78.443878] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 78.451976] r9:c07e20d0 r8:c6ca5f60 r7:c290d000 r6:b6e97000 r5:c2f83680 r4:00000000 <4>[ 78.459990] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 78.467396] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6ca4000 r5:c2f83680 <4>[ 78.475490] r4:c2f83680 <4>[ 78.478293] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 78.485697] r9:c6ca4000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000016 r4:00000016 <4>[ 78.493712] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 78.501546] Exception stack(0xc6ca5fa8 to 0xc6ca5ff0) <4>[ 78.506867] 5fa0: 00000016 00000016 00000001 b6e97000 00000016 00000000 <4>[ 78.515312] 5fc0: 00000016 00000016 b6fdee00 00000004 00000001 00000000 00020000 bed9dac4 <4>[ 78.523756] 5fe0: 00000004 bed9d7f8 b6f48d8f b6ecf7e6 7.688390] ---[ end trace 02faea3b<4>[ 78.529179] irq event stamp: 0 7f43df34 ]--- # WRITE_KERN: miss<4>[ 78.535355] hardirqs last enabled at (0): [<00000000>] 0x0 ing 'call trace:': [FAIL] not ok<4>[ 78.544095] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 41 selftests: lkdtm: WRITE_KERN.<4>[ 78.555834] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac sh # exit=1 # selftests: lkdtm: <4>[ 78.565888] softirqs last disabled at (0): [<00000000>] 0x0 REFCOUNT_INC_OVERFLOW.sh <4>[ 78.574094] ---[ end trace 02faea3b7f43df35 ]--- <6>[ 78.581221] lkdtm: Overflow detected: saturated # [ 78.212718] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 78.221894] lkdtm: attempting good refcount_inc() without overflow # [ 78.231208] lkdtm: attempting bad refcount_inc() overflow # [ 78.239726] ------------[ cut here ]------------ # [ 78.247527] WARNING: CPU: 0 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 78.259167] refcount_t: saturated; leaking memory. # [ 78.267042] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.299039] CPU: 0 PID: 2633 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 78.309861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.316655] Backtrace: # [ 78.319385] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 78.327226] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 78.333157] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 78.340741] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 78.347972] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c # [ 78.355986] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 78.363735] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c6ca4000 # [ 78.369666] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 78.378893] r9:c1ad6064 r8:c15ebd54 r7:c6ca5f60 r6:00000016 r5:c6de5000 r4:c6ca4000 # [ 78.386909] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 78.396837] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 78.407196] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.416591] r4:0000002b # [ 78.419394] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.427674] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.435859] r9:c6ca5f60 r8:c526b300 r7:00000016 r6:b6e97000 r5:c2f83680 r4:c0c588e8 # [ 78.443878] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.451976] r9:c07e20d0 r8:c6ca5f60 r7:c290d000 r6:b6e97000 r5:c2f83680 r4:00000000 # [ 78.459990] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.467396] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6ca4000 r5:c2f83680 # [ 78.475490] r4:c2f83680 # [ 78.478293] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.485697] r9:c6ca4000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000016 r4:00000016 # [ 78.493712] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.501546] Exception stack(0xc6ca5fa8 to 0xc6ca5ff0) # [ 78.506867] 5fa0: 00000016 00000016 00000001 b6e97000 00000016 00000000 # [ 78.515312] 5fc0: 00000016 00000016 b6fdee00 00000004 00000001 00000000 00020000 bed9dac4 # [ 78.523756] 5fe0: 00000004 bed9d7f8 b6f48d8f b6ecf7e6 # [ 78.529179] irq event stamp: 0 # [ 78.535355] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 78.544095] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 78.555834] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 78.565888] softirqs last disabled at (0): [<00000000>] 0x0 # [ 78.574094] ---[ end trace 02faea3b7f43df35 ]--- # [ 78.581221] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <6>[ 79.059519] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 79.065948] lkdtm: attempting good refcount_add() without overflow <6>[ 79.072482] lkdtm: attempting bad refcount_add() overflow <4>[ 79.078160] ------------[ cut here ]------------ <4>[ 79.083229] WARNING: CPU: 0 PID: 2668 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 79.091992] refcount_t: saturated; leaking memory. <4>[ 79.097054] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 79.126581] CPU: 0 PID: 2668 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 79.134594] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.141387] Backtrace: <4>[ 79.144120] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 79.151960] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 79.157893] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 79.165477] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 79.172709] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c <4>[ 79.180722] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 79.188473] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c44de000 <4>[ 79.194405] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 79.203632] r9:c1ad607c r8:c15ebd54 r7:c44dff60 r6:00000016 r5:c6de5000 r4:c44de000 <4>[ 79.211650] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 79.221577] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 79.231937] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 79.241333] r4:0000002c <4>[ 79.244138] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 79.252418] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 79.260603] r9:c44dff60 r8:c526b300 r7:00000016 r6:b6dfd000 r5:c2f82b40 r4:c0c588e8 <4>[ 79.268623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 79.276722] r9:c07e20d0 r8:c44dff60 r7:c290d000 r6:b6dfd000 r5:c2f82b40 r4:00000000 <4>[ 79.284734] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 79.292141] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c44de000 r5:c2f82b40 <4>[ 79.300234] r4:c2f82b40 <4>[ 79.303037] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 79.310441] r9:c44de000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000016 r4:00000016 <4>[ 79.318456] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 79.326291] Exception stack(0xc44dffa8 to 0xc44dfff0) <4>[ 79.331613] ffa0: 00000016 00000016 00000001 b6dfd000 00000016 00000000 <4>[ 79.340060] ffc0: 00000016 00000016 b6f44e00 00000004 00000001 00000000 00020000 be9deac4 <4>[ 79.348504] ffe0: 00000004 be9de7f8 b6eaed8f b6e357e6 <4>[ 79.353867] irq event stamp: 0 <4>[ 79.357200] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 79.363078] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 79.370839] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 79.378642] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 79.384516] ---[ end trace 02faea3b7f43df36 ]--- <6>[ 79.389407] lkdtm: Overflow detected: saturated # [ 79.059519] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 79.065948] lkdtm: attempting good refcount_add() without overflow # [ 79.072482] lkdtm: attempting bad refcount_add() overflow # [ 79.078160] ------------[ cut here ]------------ # [ 79.083229] WARNING: CPU: 0 PID: 2668 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 79.091992] refcount_t: saturated; leaking memory. # [ 79.097054] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.126581] CPU: 0 PID: 2668 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 79.134594] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.141387] Backtrace: # [ 79.144120] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.151960] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 79.157893] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.165477] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 79.172709] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c # [ 79.180722] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 79.188473] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c44de000 # [ 79.194405] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 79.203632] r9:c1ad607c r8:c15ebd54 r7:c44dff60 r6:00000016 r5:c6de5000 r4:c44de000 # [ 79.211650] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 79.221577] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 79.231937] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.241333] r4:0000002c # [ 79.244138] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.252418] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.260603] r9:c44dff60 r8:c526b300 r7:00000016 r6:b6dfd000 r5:c2f82b40 r4:c0c588e8 # [ 79.268623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.276722] r9:c07e20d0 r8:c44dff60 r7:c290d000 r6:b6dfd000 r5:c2f82b40 r4:00000000 # [ 79.284734] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.292141] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c44de000 r5:c2f82b40 # [ 79.300234] r4:c2f82b40 # [ 79.303037] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.310441] r9:c44de000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000016 r4:00000016 # [ 79.318456] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.326291] Exception stack(0xc44dffa8 to 0xc44dfff0) # [ 79.331613] ffa0: 00000016 00000016 00000001 b6dfd000 00000016 00000000 # [ 79.340060] ffc0: 00000016 00000016 b6f44e00 00000004 00000001 00000000 00020000 be9deac4 # [ 79.348504] ffe0: 00000004 be9de7f8 b6eaed8f b6e357e6 # [ 79.353867] irq event stamp: 0 # [ 79.357200] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 79.363078] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 79.370839] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 79.378642] softirqs last disabled at (0): [<00000000>] 0x0 # [ 79.384516] ---[ end trace 02faea3b7f43df36 ]--- # [ 79.389407] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh <6>[ 79.877407] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 79.884633] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 79.891237] ------------[ cut here ]------------ <4>[ 79.896172] WARNING: CPU: 3 PID: 2703 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 79.904935] refcount_t: saturated; leaking memory. <4>[ 79.909998] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 79.939416] CPU: 3 PID: 2703 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 79.947427] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.954220] Backtrace: <4>[ 79.956949] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 79.964789] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 79.970722] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 79.978307] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 79.985541] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c <4>[ 79.993554] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 80.001305] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c6a28000 <4>[ 80.007236] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 80.016463] r9:c1ad6094 r8:c15ebd54 r7:c6a29f60 r6:0000001f r5:c6df7000 r4:7fffffff <4>[ 80.024482] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 80.035193] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 80.047109] r5:c6df7000 r4:c6a28000 <4>[ 80.050961] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 80.061139] r4:0000002d <4>[ 80.063942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 80.072219] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 80.080405] r9:c6a29f60 r8:c526b300 r7:0000001f r6:b6e64000 r5:c4276280 r4:c0c588e8 <4>[ 80.088424] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 80.096524] r9:c07e20d0 r8:c6a29f60 r7:c290d000 r6:b6e64000 r5:c4276280 r4:00000000 <4>[ 80.104537] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 80.111940] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6a28000 r5:c4276280 <4>[ 80.120033] r4:c4276280 <4>[ 80.122837] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 80.130241] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000001f r4:0000001f <4>[ 80.138257] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 80.146091] Exception stack(0xc6a29fa8 to 0xc6a29ff0) <4>[ 80.151412] 9fa0: 0000001f 0000001f 00000001 b6e64000 0000001f 00000000 <4>[ 80.159857] 9fc0: 0000001f 0000001f b6fabe00 00000004 00000001 00000000 00020000 be8d1ac4 <4>[ 80.168302] 9fe0: 00000004 be8d17f8 b6f15d8f b6e9c7e6 <4>[ 80.173686] irq event stamp: 0 <4>[ 80.177019] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 80.182895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 80.190685] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 80.198491] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 80.204367] ---[ end trace 02faea3b7f43df37 ]--- <6>[ 80.209259] lkdtm: Overflow detected: saturated # [ 79.877407] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 79.884633] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 79.891237] ------------[ cut here ]------------ # [ 79.896172] WARNING: CPU: 3 PID: 2703 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 79.904935] refcount_t: saturated; leaking memory. # [ 79.909998] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.939416] CPU: 3 PID: 2703 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 79.947427] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.954220] Backtrace: # [ 79.956949] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.964789] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 79.970722] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.978307] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 79.985541] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c # [ 79.993554] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 80.001305] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c6a28000 # [ 80.007236] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 80.016463] r9:c1ad6094 r8:c15ebd54 r7:c6a29f60 r6:0000001f r5:c6df7000 r4:7fffffff # [ 80.024482] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 80.035193] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 80.047109] r5:c6df7000 r4:c6a28000 # [ 80.050961] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.061139] r4:0000002d # [ 80.063942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.072219] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.080405] r9:c6a29f60 r8:c526b300 r7:0000001f r6:b6e64000 r5:c4276280 r4:c0c588e8 # [ 80.088424] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.096524] r9:c07e20d0 r8:c6a29f60 r7:c290d000 r6:b6e64000 r5:c4276280 r4:00000000 # [ 80.104537] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.111940] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6a28000 r5:c4276280 # [ 80.120033] r4:c4276280 # [ 80.122837] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.130241] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000001f r4:0000001f # [ 80.138257] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.146091] Exception stack(0xc6a29fa8 to 0xc6a29ff0) # [ 80.151412] 9fa0: 0000001f 0000001f 00000001 b6e64000 0000001f 00000000 # [ 80.159857] 9fc0: 0000001f 0000001f b6fabe00 00000004 00000001 00000000 00020000 be8d1ac4 # [ 80.168302] 9fe0: 00000004 be8d17f8 b6f15d8f b6e9c7e6 # [ 80.173686] irq event stamp: 0 # [ 80.177019] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 80.182895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 80.190685] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 80.198491] softirqs last disabled at (0): [<00000000>] 0x0 # [ 80.204367] ---[ end trace 02faea3b7f43df37 ]--- # [ 80.209259] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh <6>[ 80.665828] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 80.673047] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 80.679525] ------------[ cut here ]------------ <4>[ 80.684480] WARNING: CPU: 2 PID: 2738 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 80.693264] refcount_t: saturated; leaking memory. <4>[ 80.698329] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 80.727743] CPU: 2 PID: 2738 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 80.735755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.742549] Backtrace: <4>[ 80.745280] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 80.753120] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 80.759052] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 80.766638] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 80.773871] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c <4>[ 80.781885] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 80.789636] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c6cb2000 <4>[ 80.795569] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 80.804798] r9:c1ad60b4 r8:c15ebd54 r7:c6cb3f60 r6:0000001f r5:c6df3000 r4:7fffffff <4>[ 80.812817] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 80.823525] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 80.835440] r5:c6df3000 r4:c6cb2000 <4>[ 80.839292] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 80.849470] r4:0000002e <4>[ 80.852272] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 80.860553] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 80.868738] r9:c6cb3f60 r8:c526b300 r7:0000001f r6:b6e7e000 r5:c5f20000 r4:c0c588e8 <4>[ 80.876759] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 80.884859] r9:c07e20d0 r8:c6cb3f60 r7:c290d000 r6:b6e7e000 r5:c5f20000 r4:00000000 <4>[ 80.892872] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 80.900276] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c6cb2000 r5:c5f20000 <4>[ 80.908371] r4:c5f20000 <4>[ 80.911177] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 80.918582] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:0000001f r4:0000001f <4>[ 80.926597] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 80.934432] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) <4>[ 80.939753] 3fa0: 0000001f 0000001f 00000001 b6e7e000 0000001f 00000000 <4>[ 80.948200] 3fc0: 0000001f 0000001f b6fc5e00 00000004 00000001 00000000 00020000 be898ac4 <4>[ 80.956643] 3fe0: 00000004 be8987f8 b6f2fd8f b6eb67e6 <4>[ 80.962020] irq event stamp: 0 <4>[ 80.965353] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 80.971229] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 80.978994] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 80.986797] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 80.992671] ---[ end trace 02faea3b7f43df38 ]--- <6>[ 80.997567] lkdtm: Overflow detected: saturated # [ 80.665828] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 80.673047] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 80.679525] ------------[ cut here ]------------ # [ 80.684480] WARNING: CPU: 2 PID: 2738 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 80.693264] refcount_t: saturated; leaking memory. # [ 80.698329] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.727743] CPU: 2 PID: 2738 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 80.735755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.742549] Backtrace: # [ 80.745280] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 80.753120] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 80.759052] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 80.766638] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 80.773871] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c # [ 80.781885] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 80.789636] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c6cb2000 # [ 80.795569] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 80.804798] r9:c1ad60b4 r8:c15ebd54 r7:c6cb3f60 r6:0000001f r5:c6df3000 r4:7fffffff # [ 80.812817] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 80.823525] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 80.835440] r5:c6df3000 r4:c6cb2000 # [ 80.839292] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.849470] r4:0000002e # [ 80.852272] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.860553] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.868738] r9:c6cb3f60 r8:c526b300 r7:0000001f r6:b6e7e000 r5:c5f20000 r4:c0c588e8 # [ 80.876759] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.884859] r9:c07e20d0 r8:c6cb3f60 r7:c290d000 r6:b6e7e000 r5:c5f20000 r4:00000000 # [ 80.892872] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.900276] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c6cb2000 r5:c5f20000 # [ 80.908371] r4:c5f20000 # [ 80.911177] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.918582] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:0000001f r4:0000001f # [ 80.926597] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.934432] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) # [ 80.939753] 3fa0: 0000001f 0000001f 00000001 b6e7e000 0000001f 00000000 # [ 80.948200] 3fc0: 0000001f 0000001f b6fc5e00 00000004 00000001 00000000 00020000 be898ac4 # [ 80.956643] 3fe0: 00000004 be8987f8 b6f2fd8f b6eb67e6 # [ 80.962020] irq event stamp: 0 # [ 80.965353] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 80.971229] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 80.978994] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 80.986797] softirqs last disabled at (0): [<00000000>] 0x0 # [ 80.992671] ---[ end trace 02faea3b7f43df38 ]--- # [ 80.997567] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh <6>[ 81.467991] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 81.474008] lkdtm: attempting good refcount_dec() <6>[ 81.478989] lkdtm: attempting bad refcount_dec() to zero <4>[ 81.484718] ------------[ cut here ]------------ <4>[ 81.489664] WARNING: CPU: 1 PID: 2773 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 81.498468] refcount_t: decrement hit 0; leaking memory. <4>[ 81.504087] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 81.533489] CPU: 1 PID: 2773 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 81.541499] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.548293] Backtrace: <4>[ 81.551024] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 81.558863] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 81.564795] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 81.572380] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 81.579611] r9:00000009 r8:c0875a6c r7:0000001f r6:00000009 r5:c0875a6c r4:c1a2a16c <4>[ 81.587625] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 81.595375] r7:0000001f r6:c1a2a16c r5:c1a2a1d0 r4:c6c7e000 <4>[ 81.601307] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 81.610535] r9:c1ad60d4 r8:c15ebd54 r7:c6c7ff60 r6:00000012 r5:c6859000 r4:c6c7e000 <4>[ 81.618553] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 81.628479] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 81.638493] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 81.647541] r4:0000002f <4>[ 81.650346] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 81.658625] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 81.666812] r9:c6c7ff60 r8:c526b300 r7:00000012 r6:b6e19000 r5:c2fff400 r4:c0c588e8 <4>[ 81.674831] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 81.682930] r9:c07e20d0 r8:c6c7ff60 r7:c290d000 r6:b6e19000 r5:c2fff400 r4:00000000 <4>[ 81.690943] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 81.698347] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6c7e000 r5:c2fff400 <4>[ 81.706440] r4:c2fff400 <4>[ 81.709245] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 81.716650] r9:c6c7e000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000012 r4:00000012 <4>[ 81.724665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 81.732499] Exception stack(0xc6c7ffa8 to 0xc6c7fff0) <4>[ 81.737821] ffa0: 00000012 00000012 00000001 b6e19000 00000012 00000000 <4>[ 81.746267] ffc0: 00000012 00000012 b6f60e00 00000004 00000001 00000000 00020000 bec3fac4 <4>[ 81.754710] ffe0: 00000004 bec3f7f8 b6ecad8f b6e517e6 <4>[ 81.760063] irq event stamp: 0 <4>[ 81.763420] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 81.769271] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 81.777082] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 81.784896] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 81.790745] ---[ end trace 02faea3b7f43df39 ]--- <6>[ 81.795672] lkdtm: Zero detected: saturated # [ 81.467991] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 81.474008] lkdtm: attempting good refcount_dec() # [ 81.478989] lkdtm: attempting bad refcount_dec() to zero # [ 81.484718] ------------[ cut here ]------------ # [ 81.489664] WARNING: CPU: 1 PID: 2773 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 81.498468] refcount_t: decrement hit 0; leaking memory. # [ 81.504087] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.533489] CPU: 1 PID: 2773 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 81.541499] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.548293] Backtrace: # [ 81.551024] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 81.558863] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 81.564795] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 81.572380] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 81.579611] r9:00000009 r8:c0875a6c r7:0000001f r6:00000009 r5:c0875a6c r4:c1a2a16c # [ 81.587625] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 81.595375] r7:0000001f r6:c1a2a16c r5:c1a2a1d0 r4:c6c7e000 # [ 81.601307] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 81.610535] r9:c1ad60d4 r8:c15ebd54 r7:c6c7ff60 r6:00000012 r5:c6859000 r4:c6c7e000 # [ 81.618553] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 81.628479] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 81.638493] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.647541] r4:0000002f # [ 81.650346] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.658625] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.666812] r9:c6c7ff60 r8:c526b300 r7:00000012 r6:b6e19000 r5:c2fff400 r4:c0c588e8 # [ 81.674831] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.682930] r9:c07e20d0 r8:c6c7ff60 r7:c290d000 r6:b6e19000 r5:c2fff400 r4:00000000 # [ 81.690943] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.698347] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6c7e000 r5:c2fff400 # [ 81.706440] r4:c2fff400 # [ 81.709245] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.716650] r9:c6c7e000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000012 r4:00000012 # [ 81.724665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.732499] Exception stack(0xc6c7ffa8 to 0xc6c7fff0) # [ 81.737821] ffa0: 00000012 00000012 00000001 b6e19000 00000012 00000000 # [ 81.746267] ffc0: 00000012 00000012 b6f60e00 00000004 00000001 00000000 00020000 bec3fac4 # [ 81.754710] ffe0: 00000004 bec3f7f8 b6ecad8f b6e517e6 # [ 81.760063] irq event stamp: 0 # [ 81.763420] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 81.769271] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 81.777082] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 81.784896] softirqs last disabled at (0): [<00000000>] 0x0 # [ 81.790745] ---[ end trace 02faea3b7f43df39 ]--- # [ 81.795672] 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>[ 82.278181] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 82.284538] lkdtm: attempting bad refcount_dec() below zero <4>[ 82.290389] ------------[ cut here ]------------ <4>[ 82.295362] WARNING: CPU: 2 PID: 2811 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 82.304123] refcount_t: decrement hit 0; leaking memory. <4>[ 82.309710] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 82.339282] CPU: 2 PID: 2811 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 82.347308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.354102] Backtrace: <4>[ 82.356833] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 82.364673] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 82.370606] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 82.378191] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 82.385424] r9:00000009 r8:c0875a6c r7:0000001f r6:00000009 r5:c0875a6c r4:c1a2a16c <4>[ 82.393439] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 82.401189] r7:0000001f r6:c1a2a16c r5:c1a2a1d0 r4:c6926000 <4>[ 82.407121] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 82.416350] r9:c1ad60e8 r8:c15ebd54 r7:c6927f60 r6:00000016 r5:00000000 r4:c6926000 <4>[ 82.424367] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 82.434292] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 82.444655] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 82.454052] r5:c6df3000 r4:00000030 <4>[ 82.457898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 82.466176] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 82.474361] r9:c6927f60 r8:c526b300 r7:00000016 r6:b6dc1000 r5:c6bc2a00 r4:c0c588e8 <4>[ 82.482380] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 82.490479] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6dc1000 r5:c6bc2a00 r4:00000000 <4>[ 82.498491] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 82.505895] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6926000 r5:c6bc2a00 <4>[ 82.513989] r4:c6bc2a00 <4>[ 82.516794] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 82.524198] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000016 r4:00000016 <4>[ 82.532212] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 82.540047] Exception stack(0xc6927fa8 to 0xc6927ff0) <4>[ 82.545368] 7fa0: 00000016 00000016 00000001 b6dc1000 00000016 00000000 <4>[ 82.553816] 7fc0: 00000016 00000016 b6f08e00 00000004 00000001 00000000 00020000 bec9fac4 <4>[ 82.562261] 7fe0: 00000004 bec9f7f8 b6e72d8f b6df97e6 <4>[ 82.567659] irq event stamp: 0 <4>[ 82.570995] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 82.576873] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 82.584683] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 82.592478] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 82.598325] ---[ end trace 02faea3b7f43df3a ]--- <6>[ 82.603241] lkdtm: Negative detected: saturated # [ 82.278181] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 82.284538] lkdtm: attempting bad refcount_dec() below zero # [ 82.290389] ------------[ cut here ]------------ # [ 82.295362] WARNING: CPU: 2 PID: 2811 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 82.304123] refcount_t: decrement hit 0; leaking memory. # [ 82.309710] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.339282] CPU: 2 PID: 2811 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 82.347308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.354102] Backtrace: # [ 82.356833] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.364673] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 82.370606] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.378191] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.385424] r9:00000009 r8:c0875a6c r7:0000001f r6:00000009 r5:c0875a6c r4:c1a2a16c # [ 82.393439] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.401189] r7:0000001f r6:c1a2a16c r5:c1a2a1d0 r4:c6926000 # [ 82.407121] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 82.416350] r9:c1ad60e8 r8:c15ebd54 r7:c6927f60 r6:00000016 r5:00000000 r4:c6926000 # [ 82.424367] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 82.434292] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 82.444655] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.454052] r5:c6df3000 r4:00000030 # [ 82.457898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.466176] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.474361] r9:c6927f60 r8:c526b300 r7:00000016 r6:b6dc1000 r5:c6bc2a00 r4:c0c588e8 # [ 82.482380] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.490479] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6dc1000 r5:c6bc2a00 r4:00000000 # [ 82.498491] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.505895] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6926000 r5:c6bc2a00 # [ 82.513989] r4:c6bc2a00 # [ 82.516794] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.524198] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000016 r4:00000016 # [ 82.532212] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.540047] Exception stack(0xc6927fa8 to 0xc6927ff0) # [ 82.545368] 7fa0: 00000016 00000016 00000001 b6dc1000 00000016 00000000 # [ 82.553816] 7fc0: 00000016 00000016 b6f08e00 00000004 00000001 00000000 00020000 bec9fac4 # [ 82.562261] 7fe0: 00000004 bec9f7f8 b6e72d8f b6df97e6 # [ 82.567659] irq event stamp: 0 # [ 82.570995] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 82.576873] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.584683] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.592478] softirqs last disabled at (0): [<00000000>] 0x0 # [ 82.598325] ---[ end trace 02faea3b7f43df3a ]--- # [ 82.603241] 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>[ 83.090639] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 83.097833] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 83.104534] ------------[ cut here ]------------ <4>[ 83.109440] WARNING: CPU: 1 PID: 2847 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 83.118293] refcount_t: underflow; use-after-free. <4>[ 83.123388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 83.152813] CPU: 1 PID: 2847 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 83.160824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.167619] Backtrace: <4>[ 83.170348] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.178190] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 83.184122] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 83.191705] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 83.198937] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c <4>[ 83.206950] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 83.214701] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c6940000 <4>[ 83.220633] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 83.229947] r9:c1ad6100 r8:c15ebd54 r7:c6941f60 r6:0000001f r5:00000000 r4:c6940000 <4>[ 83.237966] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 83.248678] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 83.260600] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.270780] r5:c6859000 r4:00000031 <4>[ 83.274625] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.282904] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.291092] r9:c6941f60 r8:c526b300 r7:0000001f r6:b6e11000 r5:c5f7fb80 r4:c0c588e8 <4>[ 83.299110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.307209] r9:c07e20d0 r8:c6941f60 r7:c290d000 r6:b6e11000 r5:c5f7fb80 r4:00000000 <4>[ 83.315221] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 83.322625] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c6940000 r5:c5f7fb80 <4>[ 83.330719] r4:c5f7fb80 <4>[ 83.333523] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 83.340928] r9:c6940000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:0000001f r4:0000001f <4>[ 83.348943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 83.356778] Exception stack(0xc6941fa8 to 0xc6941ff0) <4>[ 83.362101] 1fa0: 0000001f 0000001f 00000001 b6e11000 0000001f 00000000 <4>[ 83.370546] 1fc0: 0000001f 0000001f b6f58e00 00000004 00000001 00000000 00020000 bebd0ac4 <4>[ 83.378990] 1fe0: 00000004 bebd07f8 b6ec2d8f b6e497e6 <4>[ 83.384371] irq event stamp: 0 <4>[ 83.387705] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 83.393588] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 83.401431] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 83.409205] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 83.415125] ---[ end trace 02faea3b7f43df3b ]--- <6>[ 83.420019] lkdtm: Negative detected: saturated # [ 83.090639] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 83.097833] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 83.104534] ------------[ cut here ]------------ # [ 83.109440] WARNING: CPU: 1 PID: 2847 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 83.118293] refcount_t: underflow; use-after-free. # [ 83.123388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.152813] CPU: 1 PID: 2847 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 83.160824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.167619] Backtrace: # [ 83.170348] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.178190] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 83.184122] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.191705] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.198937] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c # [ 83.206950] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.214701] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c6940000 # [ 83.220633] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 83.229947] r9:c1ad6100 r8:c15ebd54 r7:c6941f60 r6:0000001f r5:00000000 r4:c6940000 # [ 83.237966] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 83.248678] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 83.260600] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.270780] r5:c6859000 r4:00000031 # [ 83.274625] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.282904] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.291092] r9:c6941f60 r8:c526b300 r7:0000001f r6:b6e11000 r5:c5f7fb80 r4:c0c588e8 # [ 83.299110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.307209] r9:c07e20d0 r8:c6941f60 r7:c290d000 r6:b6e11000 r5:c5f7fb80 r4:00000000 # [ 83.315221] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.322625] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c6940000 r5:c5f7fb80 # [ 83.330719] r4:c5f7fb80 # [ 83.333523] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.340928] r9:c6940000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:0000001f r4:0000001f # [ 83.348943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.356778] Exception stack(0xc6941fa8 to 0xc6941ff0) # [ 83.362101] 1fa0: 0000001f 0000001f 00000001 b6e11000 0000001f 00000000 # [ 83.370546] 1fc0: 0000001f 0000001f b6f58e00 00000004 00000001 00000000 00020000 bebd0ac4 # [ 83.378990] 1fe0: 00000004 bebd07f8 b6ec2d8f b6e497e6 # [ 83.384371] irq event stamp: 0 # [ 83.387705] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.393588] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.401431] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.409205] softirqs last disabled at (0): [<00000000>] 0x0 # [ 83.415125] ---[ end trace 02faea3b7f43df3b ]--- # [ 83.420019] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh <6>[ 83.921636] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 83.928735] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 83.935416] ------------[ cut here ]------------ <4>[ 83.940321] WARNING: CPU: 3 PID: 2883 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 83.949174] refcount_t: underflow; use-after-free. <4>[ 83.954271] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 83.983693] CPU: 3 PID: 2883 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 83.991703] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.998495] Backtrace: <4>[ 84.001225] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.009066] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 84.014998] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.022584] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.029817] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c <4>[ 84.037830] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.045579] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c6ea6000 <4>[ 84.051509] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 84.060823] r9:c1ad6120 r8:c15ebd54 r7:c6ea7f60 r6:0000001f r5:c6a78000 r4:c6ea6000 <4>[ 84.068843] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 84.079554] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 84.091478] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.101656] r4:00000032 <4>[ 84.104461] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.112740] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.120925] r9:c6ea7f60 r8:c526b300 r7:0000001f r6:b6e39000 r5:c6891400 r4:c0c588e8 <4>[ 84.128944] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.137044] r9:c07e20d0 r8:c6ea7f60 r7:c290d000 r6:b6e39000 r5:c6891400 r4:00000000 <4>[ 84.145056] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.152460] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c6ea6000 r5:c6891400 <4>[ 84.160553] r4:c6891400 <4>[ 84.163358] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.170763] r9:c6ea6000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:0000001f r4:0000001f <4>[ 84.178778] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.186613] Exception stack(0xc6ea7fa8 to 0xc6ea7ff0) <4>[ 84.191939] 7fa0: 0000001f 0000001f 00000001 b6e39000 0000001f 00000000 <4>[ 84.200387] 7fc0: 0000001f 0000001f b6f80e00 00000004 00000001 00000000 00020000 bee0fac4 <4>[ 84.208832] 7fe0: 00000004 bee0f7f8 b6eead8f b6e717e6 <4>[ 84.214236] irq event stamp: 0 <4>[ 84.217574] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.223455] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.231244] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.239001] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 84.244872] ---[ end trace 02faea3b7f43df3c ]--- <6>[ 84.249761] lkdtm: Negative detected: saturated # [ 83.921636] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 83.928735] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 83.935416] ------------[ cut here ]------------ # [ 83.940321] WARNING: CPU: 3 PID: 2883 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 83.949174] refcount_t: underflow; use-after-free. # [ 83.954271] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.983693] CPU: 3 PID: 2883 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 83.991703] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.998495] Backtrace: # [ 84.001225] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.009066] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 84.014998] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.022584] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.029817] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c # [ 84.037830] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.045579] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c6ea6000 # [ 84.051509] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 84.060823] r9:c1ad6120 r8:c15ebd54 r7:c6ea7f60 r6:0000001f r5:c6a78000 r4:c6ea6000 # [ 84.068843] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 84.079554] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 84.091478] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.101656] r4:00000032 # [ 84.104461] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.112740] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.120925] r9:c6ea7f60 r8:c526b300 r7:0000001f r6:b6e39000 r5:c6891400 r4:c0c588e8 # [ 84.128944] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.137044] r9:c07e20d0 r8:c6ea7f60 r7:c290d000 r6:b6e39000 r5:c6891400 r4:00000000 # [ 84.145056] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.152460] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c6ea6000 r5:c6891400 # [ 84.160553] r4:c6891400 # [ 84.163358] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.170763] r9:c6ea6000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:0000001f r4:0000001f # [ 84.178778] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.186613] Exception stack(0xc6ea7fa8 to 0xc6ea7ff0) # [ 84.191939] 7fa0: 0000001f 0000001f 00000001 b6e39000 0000001f 00000000 # [ 84.200387] 7fc0: 0000001f 0000001f b6f80e00 00000004 00000001 00000000 00020000 bee0fac4 # [ 84.208832] 7fe0: 00000004 bee0f7f8 b6eead8f b6e717e6 # [ 84.214236] irq event stamp: 0 # [ 84.217574] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.223455] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.231244] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.239001] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.244872] ---[ end trace 02faea3b7f43df3c ]--- # [ 84.249761] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 84.740998] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 84.747073] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 84.753815] lkdtm: Good: zero detected <6>[ 84.757861] lkdtm: Correctly stayed at zero <6>[ 84.762348] lkdtm: attempting bad refcount_inc() from zero <4>[ 84.768107] ------------[ cut here ]------------ <4>[ 84.773045] WARNING: CPU: 1 PID: 2916 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 84.781876] refcount_t: addition on 0; use-after-free. <4>[ 84.787285] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 84.816703] CPU: 1 PID: 2916 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 84.824713] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.831506] Backtrace: <4>[ 84.834237] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.842078] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 84.848011] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.855595] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.862829] r9:00000009 r8:c0875b08 r7:00000019 r6:00000009 r5:c0875b08 r4:c1a2a16c <4>[ 84.870844] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.878597] r7:00000019 r6:c1a2a16c r5:c1a2a17c r4:c6926000 <4>[ 84.884526] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 84.893841] r9:c1ad6140 r8:c15ebd54 r7:c6927f60 r6:00000012 r5:00000000 r4:c6926000 <4>[ 84.901859] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 84.911788] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 84.921801] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.930853] r5:c6859000 r4:00000033 <4>[ 84.934699] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.942978] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.951163] r9:c6927f60 r8:c526b300 r7:00000012 r6:b6e85000 r5:c5f9ab40 r4:c0c588e8 <4>[ 84.959182] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.967281] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6e85000 r5:c5f9ab40 r4:00000000 <4>[ 84.975294] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.982698] r10:00000004 r9:00000000 r8:00000000 r7:b6e85000 r6:c6926000 r5:c5f9ab40 <4>[ 84.990793] r4:c5f9ab40 <4>[ 84.993597] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.001001] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6fcce00 r5:00000012 r4:00000012 <4>[ 85.009015] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.016849] Exception stack(0xc6927fa8 to 0xc6927ff0) <4>[ 85.022172] 7fa0: 00000012 00000012 00000001 b6e85000 00000012 00000000 <4>[ 85.030617] 7fc0: 00000012 00000012 b6fcce00 00000004 00000001 00000000 00020000 bedc0ac4 <4>[ 85.039061] 7fe0: 00000004 bedc07f8 b6f36d8f b6ebd7e6 <4>[ 85.044414] irq event stamp: 0 <4>[ 85.047747] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.053624] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.061418] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.069174] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.075071] ---[ end trace 02faea3b7f43df3d ]--- <6>[ 85.079965] lkdtm: Zero detected: saturated # [ 84.740998] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 84.747073] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 84.753815] lkdtm: Good: zero detected # [ 84.757861] lkdtm: Correctly stayed at zero # [ 84.762348] lkdtm: attempting bad refcount_inc() from zero # [ 84.768107] ------------[ cut here ]------------ # [ 84.773045] WARNING: CPU: 1 PID: 2916 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 84.781876] refcount_t: addition on 0; use-after-free. # [ 84.787285] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.816703] CPU: 1 PID: 2916 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 84.824713] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.831506] Backtrace: # [ 84.834237] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.842078] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 84.848011] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.855595] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.862829] r9:00000009 r8:c0875b08 r7:00000019 r6:00000009 r5:c0875b08 r4:c1a2a16c # [ 84.870844] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.878597] r7:00000019 r6:c1a2a16c r5:c1a2a17c r4:c6926000 # [ 84.884526] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 84.893841] r9:c1ad6140 r8:c15ebd54 r7:c6927f60 r6:00000012 r5:00000000 r4:c6926000 # [ 84.901859] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 84.911788] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 84.921801] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.930853] r5:c6859000 r4:00000033 # [ 84.934699] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.942978] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.951163] r9:c6927f60 r8:c526b300 r7:00000012 r6:b6e85000 r5:c5f9ab40 r4:c0c588e8 # [ 84.959182] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.967281] r9:c07e20d0 r8:c6927f60 r7:c290d000 r6:b6e85000 r5:c5f9ab40 r4:00000000 # [ 84.975294] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.982698] r10:00000004 r9:00000000 r8:00000000 r7:b6e85000 r6:c6926000 r5:c5f9ab40 # [ 84.990793] r4:c5f9ab40 # [ 84.993597] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.001001] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6fcce00 r5:00000012 r4:00000012 # [ 85.009015] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.016849] Exception stack(0xc6927fa8 to 0xc6927ff0) # [ 85.022172] 7fa0: 00000012 00000012 00000001 b6e85000 00000012 00000000 # [ 85.030617] 7fc0: 00000012 00000012 b6fcce00 00000004 00000001 00000000 00020000 bedc0ac4 # [ 85.039061] 7fe0: 00000004 bedc07f8 b6f36d8f b6ebd7e6 # [ 85.044414] irq event stamp: 0 # [ 85.047747] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.053624] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.061418] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.069174] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.075071] ---[ end trace 02faea3b7f43df3d ]--- # [ 85.079965] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh <6>[ 85.594206] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 85.600153] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 85.606892] lkdtm: Good: zero detected <6>[ 85.610918] lkdtm: Correctly stayed at zero <6>[ 85.615436] lkdtm: attempting bad refcount_add() from zero <4>[ 85.621238] ------------[ cut here ]------------ <4>[ 85.626148] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 85.635001] refcount_t: addition on 0; use-after-free. <4>[ 85.640416] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.670015] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 85.678031] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.684827] Backtrace: <4>[ 85.687567] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.695410] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 85.701348] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.708936] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.716172] r9:00000009 r8:c0875b08 r7:00000019 r6:00000009 r5:c0875b08 r4:c1a2a16c <4>[ 85.724189] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.731943] r7:00000019 r6:c1a2a16c r5:c1a2a17c r4:c46ec000 <4>[ 85.737880] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 85.747199] r9:c1ad6154 r8:c15ebd54 r7:c46edf60 r6:00000012 r5:00000000 r4:c46ec000 <4>[ 85.755222] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 85.765158] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 85.775173] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.784228] r5:c411f000 r4:00000034 <4>[ 85.788077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.796362] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.804552] r9:c46edf60 r8:c526b300 r7:00000012 r6:b6e02000 r5:c69ec280 r4:c0c588e8 <4>[ 85.812574] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.820678] r9:c07e20d0 r8:c46edf60 r7:c290d000 r6:b6e02000 r5:c69ec280 r4:00000000 <4>[ 85.828695] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.836104] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c46ec000 r5:c69ec280 <4>[ 85.844199] r4:c69ec280 <4>[ 85.847010] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.854418] r9:c46ec000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000012 r4:00000012 <4>[ 85.862438] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.870277] Exception stack(0xc46edfa8 to 0xc46edff0) <4>[ 85.875602] dfa0: 00000012 00000012 00000001 b6e02000 00000012 00000000 <4>[ 85.884054] dfc0: 00000012 00000012 b6f49e00 00000004 00000001 00000000 00020000 bed2cac4 <4>[ 85.892500] dfe0: 00000004 bed2c7f8 b6eb3d8f b6e3a7e6 <4>[ 85.897933] irq event stamp: 0 <4>[ 85.901307] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.907164] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.914978] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.924039] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.929903] ---[ end trace 02faea3b7f43df3e ]--- <6>[ 85.935615] lkdtm: Zero detected: saturated # [ 85.594206] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 85.600153] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 85.606892] lkdtm: Good: zero detected # [ 85.610918] lkdtm: Correctly stayed at zero # [ 85.615436] lkdtm: attempting bad refcount_add() from zero # [ 85.621238] ------------[ cut here ]------------ # [ 85.626148] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 85.635001] refcount_t: addition on 0; use-after-free. # [ 85.640416] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.670015] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 85.678031] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.684827] Backtrace: # [ 85.687567] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.695410] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 85.701348] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.708936] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.716172] r9:00000009 r8:c0875b08 r7:00000019 r6:00000009 r5:c0875b08 r4:c1a2a16c # [ 85.724189] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.731943] r7:00000019 r6:c1a2a16c r5:c1a2a17c r4:c46ec000 # [ 85.737880] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 85.747199] r9:c1ad6154 r8:c15ebd54 r7:c46edf60 r6:00000012 r5:00000000 r4:c46ec000 # [ 85.755222] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 85.765158] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 85.775173] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.784228] r5:c411f000 r4:00000034 # [ 85.788077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.796362] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.804552] r9:c46edf60 r8:c526b300 r7:00000012 r6:b6e02000 r5:c69ec280 r4:c0c588e8 # [ 85.812574] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.820678] r9:c07e20d0 r8:c46edf60 r7:c290d000 r6:b6e02000 r5:c69ec280 r4:00000000 # [ 85.828695] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.836104] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c46ec000 r5:c69ec280 # [ 85.844199] r4:c69ec280 # [ 85.847010] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.854418] r9:c46ec000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000012 r4:00000012 # [ 85.862438] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.870277] Exception stack(0xc46edfa8 to 0xc46edff0) # [ 85.875602] dfa0: 00000012 00000012 00000001 b6e02000 00000012 00000000 # [ 85.884054] dfc0: 00000012 00000012 b6f49e00 00000004 00000001 00000000 00020000 bed2cac4 # [ 85.892500] dfe0: 00000004 bed2c7f8 b6eb3d8f b6e3a7e6 # [ 85.897933] irq event stamp: 0 # [ 85.901307] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.907164] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.914978] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.924039] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.929903] ---[ end trace 02faea3b7f43df3e ]--- # [ 85.935615] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh <6>[ 86.475909] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 86.482357] lkdtm: attempting bad refcount_inc() from saturated <4>[ 86.488553] ------------[ cut here ]------------ <4>[ 86.493524] WARNING: CPU: 2 PID: 2989 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 86.502410] refcount_t: saturated; leaking memory. <4>[ 86.507502] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 86.536920] CPU: 2 PID: 2989 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 86.544931] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.551725] Backtrace: <4>[ 86.554459] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.562300] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 86.568232] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.575815] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.583048] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c <4>[ 86.591061] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.598810] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c6940000 <4>[ 86.604742] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 86.613970] r9:c1ad6168 r8:c15ebd54 r7:c6941f60 r6:00000017 r5:c6df3000 r4:c6940000 <4>[ 86.621990] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 86.631920] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 86.642368] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.651851] r4:00000035 <4>[ 86.654656] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.662935] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.671121] r9:c6941f60 r8:c526b300 r7:00000017 r6:b6e24000 r5:c6d5af00 r4:c0c588e8 <4>[ 86.679142] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.687241] r9:c07e20d0 r8:c6941f60 r7:c290d000 r6:b6e24000 r5:c6d5af00 r4:00000000 <4>[ 86.695253] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.702657] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6940000 r5:c6d5af00 <4>[ 86.710750] r4:c6d5af00 <4>[ 86.713553] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.720957] r9:c6940000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000017 r4:00000017 <4>[ 86.728972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.736807] Exception stack(0xc6941fa8 to 0xc6941ff0) <4>[ 86.742129] 1fa0: 00000017 00000017 00000001 b6e24000 00000017 00000000 <4>[ 86.750575] 1fc0: 00000017 00000017 b6f6be00 00000004 00000001 00000000 00020000 bee93ac4 <4>[ 86.759020] 1fe0: 00000004 bee937f8 b6ed5d8f b6e5c7e6 <4>[ 86.764398] irq event stamp: 0 <4>[ 86.767731] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.773605] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.781422] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.789189] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.795066] ---[ end trace 02faea3b7f43df3f ]--- <6>[ 86.799959] lkdtm: Saturation detected: still saturated # [ 86.475909] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 86.482357] lkdtm: attempting bad refcount_inc() from saturated # [ 86.488553] ------------[ cut here ]------------ # [ 86.493524] WARNING: CPU: 2 PID: 2989 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.502410] refcount_t: saturated; leaking memory. # [ 86.507502] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.536920] CPU: 2 PID: 2989 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 86.544931] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.551725] Backtrace: # [ 86.554459] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.562300] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 86.568232] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.575815] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.583048] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c # [ 86.591061] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.598810] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c6940000 # [ 86.604742] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.613970] r9:c1ad6168 r8:c15ebd54 r7:c6941f60 r6:00000017 r5:c6df3000 r4:c6940000 # [ 86.621990] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.631920] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 86.642368] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.651851] r4:00000035 # [ 86.654656] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.662935] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.671121] r9:c6941f60 r8:c526b300 r7:00000017 r6:b6e24000 r5:c6d5af00 r4:c0c588e8 # [ 86.679142] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.687241] r9:c07e20d0 r8:c6941f60 r7:c290d000 r6:b6e24000 r5:c6d5af00 r4:00000000 # [ 86.695253] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.702657] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6940000 r5:c6d5af00 # [ 86.710750] r4:c6d5af00 # [ 86.713553] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.720957] r9:c6940000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000017 r4:00000017 # [ 86.728972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.736807] Exception stack(0xc6941fa8 to 0xc6941ff0) # [ 86.742129] 1fa0: 00000017 00000017 00000001 b6e24000 00000017 00000000 # [ 86.750575] 1fc0: 00000017 00000017 b6f6be00 00000004 00000001 00000000 00020000 bee93ac4 # [ 86.759020] 1fe0: 00000004 bee937f8 b6ed5d8f b6e5c7e6 # [ 86.764398] irq event stamp: 0 # [ 86.767731] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.773605] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.781422] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.789189] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.795066] ---[ end trace 02faea3b7f43df3f ]--- # [ 86.799959] 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>[ 87.307262] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 87.313710] lkdtm: attempting bad refcount_dec() from saturated <4>[ 87.319906] ------------[ cut here ]------------ <4>[ 87.324863] WARNING: CPU: 3 PID: 3025 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 87.333637] refcount_t: decrement hit 0; leaking memory. <4>[ 87.339225] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 87.368781] CPU: 3 PID: 3025 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 87.376816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.383621] Backtrace: <4>[ 87.386354] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.394196] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 87.400128] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.407715] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.414948] r9:00000009 r8:c0875a6c r7:0000001f r6:00000009 r5:c0875a6c r4:c1a2a16c <4>[ 87.422963] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.430714] r7:0000001f r6:c1a2a16c r5:c1a2a1d0 r4:c44de000 <4>[ 87.436645] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 87.445874] r9:c1ad6180 r8:c15ebd54 r7:c44dff60 r6:00000017 r5:c6a78000 r4:c44de000 <4>[ 87.453893] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 87.463821] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 87.474270] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.483754] r4:00000036 <4>[ 87.486560] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.494840] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.503027] r9:c44dff60 r8:c526b300 r7:00000017 r6:b6dd4000 r5:c42d4000 r4:c0c588e8 <4>[ 87.511046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.519146] r9:c07e20d0 r8:c44dff60 r7:c290d000 r6:b6dd4000 r5:c42d4000 r4:00000000 <4>[ 87.527159] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.534563] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c44de000 r5:c42d4000 <4>[ 87.542656] r4:c42d4000 <4>[ 87.545461] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.552865] r9:c44de000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000017 r4:00000017 <4>[ 87.560881] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.568716] Exception stack(0xc44dffa8 to 0xc44dfff0) <4>[ 87.574038] ffa0: 00000017 00000017 00000001 b6dd4000 00000017 00000000 <4>[ 87.582485] ffc0: 00000017 00000017 b6f1be00 00000004 00000001 00000000 00020000 be8baac4 <4>[ 87.590928] ffe0: 00000004 be8ba7f8 b6e85d8f b6e0c7e6 <4>[ 87.596313] irq event stamp: 0 <4>[ 87.599665] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.605544] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.613342] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.621172] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.627030] ---[ end trace 02faea3b7f43df40 ]--- <6>[ 87.631948] lkdtm: Saturation detected: still saturated # [ 87.307262] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 87.313710] lkdtm: attempting bad refcount_dec() from saturated # [ 87.319906] ------------[ cut here ]------------ # [ 87.324863] WARNING: CPU: 3 PID: 3025 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 87.333637] refcount_t: decrement hit 0; leaking memory. # [ 87.339225] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.368781] CPU: 3 PID: 3025 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 87.376816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.383621] Backtrace: # [ 87.386354] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.394196] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 87.400128] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.407715] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.414948] r9:00000009 r8:c0875a6c r7:0000001f r6:00000009 r5:c0875a6c r4:c1a2a16c # [ 87.422963] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.430714] r7:0000001f r6:c1a2a16c r5:c1a2a1d0 r4:c44de000 # [ 87.436645] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 87.445874] r9:c1ad6180 r8:c15ebd54 r7:c44dff60 r6:00000017 r5:c6a78000 r4:c44de000 # [ 87.453893] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 87.463821] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 87.474270] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.483754] r4:00000036 # [ 87.486560] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.494840] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.503027] r9:c44dff60 r8:c526b300 r7:00000017 r6:b6dd4000 r5:c42d4000 r4:c0c588e8 # [ 87.511046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.519146] r9:c07e20d0 r8:c44dff60 r7:c290d000 r6:b6dd4000 r5:c42d4000 r4:00000000 # [ 87.527159] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.534563] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c44de000 r5:c42d4000 # [ 87.542656] r4:c42d4000 # [ 87.545461] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.552865] r9:c44de000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000017 r4:00000017 # [ 87.560881] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.568716] Exception stack(0xc44dffa8 to 0xc44dfff0) # [ 87.574038] ffa0: 00000017 00000017 00000001 b6dd4000 00000017 00000000 # [ 87.582485] ffc0: 00000017 00000017 b6f1be00 00000004 00000001 00000000 00020000 be8baac4 # [ 87.590928] ffe0: 00000004 be8ba7f8 b6e85d8f b6e0c7e6 # [ 87.596313] irq event stamp: 0 # [ 87.599665] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.605544] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.613342] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.621172] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.627030] ---[ end trace 02faea3b7f43df40 ]--- # [ 87.631948] 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>[ 88.132808] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 88.139189] lkdtm: attempting bad refcount_dec() from saturated <4>[ 88.145457] ------------[ cut here ]------------ <4>[ 88.150367] WARNING: CPU: 0 PID: 3061 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 88.159206] refcount_t: saturated; leaking memory. <4>[ 88.164330] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 88.193846] CPU: 0 PID: 3061 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 88.201858] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.208652] Backtrace: <4>[ 88.211384] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.219224] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 88.225156] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.232740] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.239971] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c <4>[ 88.247986] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.255736] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c6c7e000 <4>[ 88.261667] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 88.270895] r9:c1ad6198 r8:c15ebd54 r7:c6c7ff60 r6:00000017 r5:c5f43000 r4:c6c7e000 <4>[ 88.278914] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 88.288845] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 88.299291] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.308774] r4:00000037 <4>[ 88.311577] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.319856] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.328043] r9:c6c7ff60 r8:c526b300 r7:00000017 r6:b6df7000 r5:c42c17c0 r4:c0c588e8 <4>[ 88.336061] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.344162] r9:c07e20d0 r8:c6c7ff60 r7:c290d000 r6:b6df7000 r5:c42c17c0 r4:00000000 <4>[ 88.352175] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.359581] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c6c7e000 r5:c42c17c0 <4>[ 88.367676] r4:c42c17c0 <4>[ 88.370480] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.377884] r9:c6c7e000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000017 r4:00000017 <4>[ 88.385899] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.393736] Exception stack(0xc6c7ffa8 to 0xc6c7fff0) <4>[ 88.399057] ffa0: 00000017 00000017 00000001 b6df7000 00000017 00000000 <4>[ 88.407503] ffc0: 00000017 00000017 b6f3ee00 00000004 00000001 00000000 00020000 be904ac4 <4>[ 88.415946] ffe0: 00000004 be9047f8 b6ea8d8f b6e2f7e6 <4>[ 88.421325] irq event stamp: 0 <4>[ 88.424658] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.430508] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.439241] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.447077] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.452948] ---[ end trace 02faea3b7f43df41 ]--- <6>[ 88.457837] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 88.132808] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 88.139189] lkdtm: attempting bad refcount_dec() from saturated # [ 88.145457] ------------[ cut here ]------------ # [ 88.150367] WARNING: CPU: 0 PID: 3061 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 88.159206] refcount_t: saturated; leaking memory. # [ 88.164330] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.193846] CPU: 0 PID: 3061 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 88.201858] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.208652] Backtrace: # [ 88.211384] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.219224] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 88.225156] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.232740] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.239971] r9:00000009 r8:c0875ad4 r7:00000016 r6:00000009 r5:c0875ad4 r4:c1a2a16c # [ 88.247986] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.255736] r7:00000016 r6:c1a2a16c r5:c1a2a144 r4:c6c7e000 # [ 88.261667] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 88.270895] r9:c1ad6198 r8:c15ebd54 r7:c6c7ff60 r6:00000017 r5:c5f43000 r4:c6c7e000 # [ 88.278914] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 88.288845] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 88.299291] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.308774] r4:00000037 # [ 88.311577] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.319856] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.328043] r9:c6c7ff60 r8:c526b300 r7:00000017 r6:b6df7000 r5:c42c17c0 r4:c0c588e8 # [ 88.336061] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.344162] r9:c07e20d0 r8:c6c7ff60 r7:c290d000 r6:b6df7000 r5:c42c17c0 r4:00000000 # [ 88.352175] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.359581] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c6c7e000 r5:c42c17c0 # [ 88.367676] r4:c42c17c0 # [ 88.370480] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.377884] r9:c6c7e000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000017 r4:00000017 # [ 88.385899] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.393736] Exception stack(0xc6c7ffa8 to 0xc6c7fff0) # [ 88.399057] ffa0: 00000017 00000017 00000001 b6df7000 00000017 00000000 # [ 88.407503] ffc0: 00000017 00000017 b6f3ee00 00000004 00000001 00000000 00020000 be904ac4 # [ 88.415946] ffe0: 00000004 be9047f8 b6ea8d8f b6e2f7e6 # [ 88.421325] irq event stamp: 0 # [ 88.424658] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.430508] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.439241] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.447077] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.452948] ---[ end trace 02faea3b7f43df41 ]--- # [ 88.457837] 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>[ 88.985629] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 88.992919] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 88.999896] ------------[ cut here ]------------ <4>[ 89.004928] WARNING: CPU: 1 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 89.013707] refcount_t: saturated; leaking memory. <4>[ 89.018769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.048202] CPU: 1 PID: 3094 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 89.056213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.063006] Backtrace: <4>[ 89.065740] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.073581] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 89.079516] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.087103] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.094335] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c <4>[ 89.102350] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.110100] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c5e90000 <4>[ 89.116032] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 89.125260] r9:c1ad61b0 r8:c15ebd54 r7:c5e91f60 r6:00000020 r5:c6859000 r4:c0000000 <4>[ 89.133279] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 89.143989] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 89.155992] r5:c6859000 r4:c5e90000 <4>[ 89.159845] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.170111] r4:00000038 <4>[ 89.172914] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.181194] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.189380] r9:c5e91f60 r8:c526b300 r7:00000020 r6:b6e90000 r5:c4336f00 r4:c0c588e8 <4>[ 89.197399] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.205499] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6e90000 r5:c4336f00 r4:00000000 <4>[ 89.213512] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.220916] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c5e90000 r5:c4336f00 <4>[ 89.229011] r4:c4336f00 <4>[ 89.231816] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.239221] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000020 r4:00000020 <4>[ 89.247235] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.255070] Exception stack(0xc5e91fa8 to 0xc5e91ff0) <4>[ 89.260391] 1fa0: 00000020 00000020 00000001 b6e90000 00000020 00000000 <4>[ 89.268839] 1fc0: 00000020 00000020 b6fd7e00 00000004 00000001 00000000 00020000 be892ac4 <4>[ 89.277283] 1fe0: 00000004 be8927f8 b6f41d8f b6ec87e6 <4>[ 89.282661] irq event stamp: 0 <4>[ 89.285997] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.291871] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.299644] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.307459] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.313340] ---[ end trace 02faea3b7f43df42 ]--- <6>[ 89.318237] lkdtm: Saturation detected: still saturated # [ 88.985629] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 88.992919] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 88.999896] ------------[ cut here ]------------ # [ 89.004928] WARNING: CPU: 1 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 89.013707] refcount_t: saturated; leaking memory. # [ 89.018769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.048202] CPU: 1 PID: 3094 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 89.056213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.063006] Backtrace: # [ 89.065740] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.073581] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 89.079516] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.087103] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.094335] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c # [ 89.102350] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.110100] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c5e90000 # [ 89.116032] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 89.125260] r9:c1ad61b0 r8:c15ebd54 r7:c5e91f60 r6:00000020 r5:c6859000 r4:c0000000 # [ 89.133279] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 89.143989] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 89.155992] r5:c6859000 r4:c5e90000 # [ 89.159845] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.170111] r4:00000038 # [ 89.172914] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.181194] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.189380] r9:c5e91f60 r8:c526b300 r7:00000020 r6:b6e90000 r5:c4336f00 r4:c0c588e8 # [ 89.197399] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.205499] r9:c07e20d0 r8:c5e91f60 r7:c290d000 r6:b6e90000 r5:c4336f00 r4:00000000 # [ 89.213512] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.220916] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c5e90000 r5:c4336f00 # [ 89.229011] r4:c4336f00 # [ 89.231816] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.239221] r9:c5e90000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000020 r4:00000020 # [ 89.247235] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.255070] Exception stack(0xc5e91fa8 to 0xc5e91ff0) # [ 89.260391] 1fa0: 00000020 00000020 00000001 b6e90000 00000020 00000000 # [ 89.268839] 1fc0: 00000020 00000020 b6fd7e00 00000004 00000001 00000000 00020000 be892ac4 # [ 89.277283] 1fe0: 00000004 be8927f8 b6f41d8f b6ec87e6 # [ 89.282661] irq event stamp: 0 # [ 89.285997] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.291871] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.299644] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.307459] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.313340] ---[ end trace 02faea3b7f43df42 ]--- # [ 89.318237] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 89.838682] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 89.845977] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 89.853031] ------------[ cut here ]------------ <4>[ 89.857937] WARNING: CPU: 3 PID: 3129 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 89.866679] refcount_t: saturated; leaking memory. <4>[ 89.871779] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.901202] CPU: 3 PID: 3129 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 89.909214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.916007] Backtrace: <4>[ 89.918738] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.926579] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 89.932510] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.940094] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.947326] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c <4>[ 89.955340] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.963090] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c6cb2000 <4>[ 89.969021] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 89.978250] r9:c1ad61d0 r8:c15ebd54 r7:c6cb3f60 r6:00000020 r5:c6df7000 r4:c0000000 <4>[ 89.986268] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 89.996976] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 90.008979] r5:c6df7000 r4:c6cb2000 <4>[ 90.012829] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.023093] r4:00000039 <4>[ 90.025898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.034177] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.042364] r9:c6cb3f60 r8:c526b300 r7:00000020 r6:b6ded000 r5:c6890640 r4:c0c588e8 <4>[ 90.050383] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.058483] r9:c07e20d0 r8:c6cb3f60 r7:c290d000 r6:b6ded000 r5:c6890640 r4:00000000 <4>[ 90.066495] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.073900] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6cb2000 r5:c6890640 <4>[ 90.081995] r4:c6890640 <4>[ 90.084800] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.092205] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000020 r4:00000020 <4>[ 90.100221] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.108057] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) <4>[ 90.113380] 3fa0: 00000020 00000020 00000001 b6ded000 00000020 00000000 <4>[ 90.121826] 3fc0: 00000020 00000020 b6f34e00 00000004 00000001 00000000 00020000 bea0eac4 <4>[ 90.130270] 3fe0: 00000004 bea0e7f8 b6e9ed8f b6e257e6 <4>[ 90.135652] irq event stamp: 0 <4>[ 90.138986] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.144866] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.152663] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.160459] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.166341] ---[ end trace 02faea3b7f43df43 ]--- <6>[ 90.171255] lkdtm: Saturation detected: still saturated # [ 89.838682] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 89.845977] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 89.853031] ------------[ cut here ]------------ # [ 89.857937] WARNING: CPU: 3 PID: 3129 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 89.866679] refcount_t: saturated; leaking memory. # [ 89.871779] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.901202] CPU: 3 PID: 3129 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 89.909214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.916007] Backtrace: # [ 89.918738] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.926579] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 89.932510] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.940094] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.947326] r9:00000009 r8:c0875aa0 r7:00000013 r6:00000009 r5:c0875aa0 r4:c1a2a16c # [ 89.955340] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.963090] r7:00000013 r6:c1a2a16c r5:c1a2a144 r4:c6cb2000 # [ 89.969021] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 89.978250] r9:c1ad61d0 r8:c15ebd54 r7:c6cb3f60 r6:00000020 r5:c6df7000 r4:c0000000 # [ 89.986268] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 89.996976] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 90.008979] r5:c6df7000 r4:c6cb2000 # [ 90.012829] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.023093] r4:00000039 # [ 90.025898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.034177] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.042364] r9:c6cb3f60 r8:c526b300 r7:00000020 r6:b6ded000 r5:c6890640 r4:c0c588e8 # [ 90.050383] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.058483] r9:c07e20d0 r8:c6cb3f60 r7:c290d000 r6:b6ded000 r5:c6890640 r4:00000000 # [ 90.066495] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.073900] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6cb2000 r5:c6890640 # [ 90.081995] r4:c6890640 # [ 90.084800] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.092205] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000020 r4:00000020 # [ 90.100221] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.108057] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) # [ 90.113380] 3fa0: 00000020 00000020 00000001 b6ded000 00000020 00000000 # [ 90.121826] 3fc0: 00000020 00000020 b6f34e00 00000004 00000001 00000000 00020000 bea0eac4 # [ 90.130270] 3fe0: 00000004 bea0e7f8 b6e9ed8f b6e257e6 # [ 90.135652] irq event stamp: 0 # [ 90.138986] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.144866] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.152663] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.160459] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.166341] ---[ end trace 02faea3b7f43df43 ]--- # [ 90.171255] 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>[ 90.705508] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 90.712795] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 90.719795] ------------[ cut here ]------------ <4>[ 90.724769] WARNING: CPU: 2 PID: 3167 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 90.733608] refcount_t: underflow; use-after-free. <4>[ 90.738673] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.768114] CPU: 2 PID: 3167 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 90.776125] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.782920] Backtrace: <4>[ 90.785651] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.793493] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 90.799425] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.807011] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.814244] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c <4>[ 90.822259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.830009] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c693c000 <4>[ 90.835943] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 90.845259] r9:c1ad61f0 r8:c15ebd54 r7:c693df60 r6:00000020 r5:c6d41000 r4:c693c000 <4>[ 90.853279] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 90.863994] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 90.876003] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.886267] r4:0000003a <4>[ 90.889071] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.897350] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.905536] r9:c693df60 r8:c526b300 r7:00000020 r6:b6dcf000 r5:c6891400 r4:c0c588e8 <4>[ 90.913553] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.921654] r9:c07e20d0 r8:c693df60 r7:c290d000 r6:b6dcf000 r5:c6891400 r4:00000000 <4>[ 90.929665] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.937070] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c693c000 r5:c6891400 <4>[ 90.945163] r4:c6891400 <4>[ 90.947967] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.955372] r9:c693c000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000020 r4:00000020 <4>[ 90.963386] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.971221] Exception stack(0xc693dfa8 to 0xc693dff0) <4>[ 90.976543] dfa0: 00000020 00000020 00000001 b6dcf000 00000020 00000000 <4>[ 90.984992] dfc0: 00000020 00000020 b6f16e00 00000004 00000001 00000000 00020000 be9b0ac4 <4>[ 90.993438] dfe0: 00000004 be9b07f8 b6e80d8f b6e077e6 <4>[ 90.998819] irq event stamp: 0 <4>[ 91.002179] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.008030] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.015839] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.023662] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.029531] ---[ end trace 02faea3b7f43df44 ]--- <6>[ 91.034480] lkdtm: Saturation detected: still saturated # [ 90.705508] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 90.712795] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 90.719795] ------------[ cut here ]------------ # [ 90.724769] WARNING: CPU: 2 PID: 3167 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.733608] refcount_t: underflow; use-after-free. # [ 90.738673] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.768114] CPU: 2 PID: 3167 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 90.776125] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.782920] Backtrace: # [ 90.785651] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.793493] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 90.799425] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.807011] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.814244] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c # [ 90.822259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.830009] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c693c000 # [ 90.835943] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.845259] r9:c1ad61f0 r8:c15ebd54 r7:c693df60 r6:00000020 r5:c6d41000 r4:c693c000 # [ 90.853279] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.863994] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 90.876003] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.886267] r4:0000003a # [ 90.889071] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.897350] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.905536] r9:c693df60 r8:c526b300 r7:00000020 r6:b6dcf000 r5:c6891400 r4:c0c588e8 # [ 90.913553] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.921654] r9:c07e20d0 r8:c693df60 r7:c290d000 r6:b6dcf000 r5:c6891400 r4:00000000 # [ 90.929665] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.937070] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c693c000 r5:c6891400 # [ 90.945163] r4:c6891400 # [ 90.947967] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.955372] r9:c693c000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000020 r4:00000020 # [ 90.963386] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.971221] Exception stack(0xc693dfa8 to 0xc693dff0) # [ 90.976543] dfa0: 00000020 00000020 00000001 b6dcf000 00000020 00000000 # [ 90.984992] dfc0: 00000020 00000020 b6f16e00 00000004 00000001 00000000 00020000 be9b0ac4 # [ 90.993438] dfe0: 00000004 be9b07f8 b6e80d8f b6e077e6 # [ 90.998819] irq event stamp: 0 # [ 91.002179] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.008030] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.015839] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.023662] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.029531] ---[ end trace 02faea3b7f43df44 ]--- # [ 91.034480] 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>[ 91.560312] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 91.567545] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 91.574562] ------------[ cut here ]------------ <4>[ 91.579474] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 91.588340] refcount_t: underflow; use-after-free. <4>[ 91.593443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.622939] CPU: 3 PID: 3203 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 91.630953] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.637749] Backtrace: <4>[ 91.640486] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.648330] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 91.654266] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.661858] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.669095] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c <4>[ 91.677112] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.684866] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c68ea000 <4>[ 91.690802] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 91.700121] r9:c1ad6210 r8:c15ebd54 r7:c68ebf60 r6:00000020 r5:c6df7000 r4:c68ea000 <4>[ 91.708145] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 91.718863] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 91.730877] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.741144] r4:0000003b <4>[ 91.743951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.752235] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.760426] r9:c68ebf60 r8:c526b300 r7:00000020 r6:b6dc4000 r5:c42d5180 r4:c0c588e8 <4>[ 91.768451] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.776554] r9:c07e20d0 r8:c68ebf60 r7:c290d000 r6:b6dc4000 r5:c42d5180 r4:00000000 <4>[ 91.784573] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.791980] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c68ea000 r5:c42d5180 <4>[ 91.800076] r4:c42d5180 <4>[ 91.802884] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.810295] r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000020 r4:00000020 <4>[ 91.818316] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.826154] Exception stack(0xc68ebfa8 to 0xc68ebff0) <4>[ 91.831481] bfa0: 00000020 00000020 00000001 b6dc4000 00000020 00000000 <4>[ 91.839933] bfc0: 00000020 00000020 b6f0be00 00000004 00000001 00000000 00020000 bebe2ac4 <4>[ 91.848382] bfe0: 00000004 bebe27f8 b6e75d8f b6dfc7e6 <4>[ 91.853768] irq event stamp: 0 <4>[ 91.857108] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.862998] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.870765] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.878571] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.884470] ---[ end trace 02faea3b7f43df45 ]--- <6>[ 91.889369] lkdtm: Saturation detected: still saturated # [ 91.560312] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 91.567545] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 91.574562] ------------[ cut here ]------------ # [ 91.579474] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.588340] refcount_t: underflow; use-after-free. # [ 91.593443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx parallel_display dw_hdmi imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.622939] CPU: 3 PID: 3203 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 91.630953] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.637749] Backtrace: # [ 91.640486] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.648330] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 91.654266] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.661858] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.669095] r9:00000009 r8:c0875b3c r7:0000001c r6:00000009 r5:c0875b3c r4:c1a2a16c # [ 91.677112] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.684866] r7:0000001c r6:c1a2a16c r5:c1a2a1a8 r4:c68ea000 # [ 91.690802] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.700121] r9:c1ad6210 r8:c15ebd54 r7:c68ebf60 r6:00000020 r5:c6df7000 r4:c68ea000 # [ 91.708145] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.718863] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 91.730877] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.741144] r4:0000003b # [ 91.743951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.752235] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.760426] r9:c68ebf60 r8:c526b300 r7:00000020 r6:b6dc4000 r5:c42d5180 r4:c0c588e8 # [ 91.768451] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.776554] r9:c07e20d0 r8:c68ebf60 r7:c290d000 r6:b6dc4000 r5:c42d5180 r4:00000000 # [ 91.784573] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.791980] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c68ea000 r5:c42d5180 # [ 91.800076] r4:c42d5180 # [ 91.802884] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.810295] r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000020 r4:00000020 # [ 91.818316] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.826154] Exception stack(0xc68ebfa8 to 0xc68ebff0) # [ 91.831481] bfa0: 00000020 00000020 00000001 b6dc4000 00000020 00000000 # [ 91.839933] bfc0: 00000020 00000020 b6f0be00 00000004 00000001 00000000 00020000 bebe2ac4 # [ 91.848382] bfe0: 00000004 bebe27f8 b6e75d8f b6dfc7e6 # [ 91.853768] irq event stamp: 0 # [ 91.857108] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.862998] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.870765] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.878571] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.884470] ---[ end trace 02faea3b7f43df45 ]--- # [ 91.889369] 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>[ 92.789012] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 92.795398] lkdtm: attempting good copy_to_user of correct size <6>[ 92.801725] lkdtm: attempting bad copy_to_user of too large size # [ 92.789012] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 92.795398] lkdtm: attempting good copy_to_user of correct size # [ 92.801725] 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>[ 93.272995] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 93.279524] lkdtm: attempting good copy_from_user of correct size <6>[ 93.286146] lkdtm: attempting bad copy_from_user of too large size # [ 93.272995] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 93.279524] lkdtm: attempting good copy_from_user of correct size # [ 93.286146] 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>[ 93.758152] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 93.764970] lkdtm: attempting good copy_to_user inside whitelist <6>[ 93.771331] lkdtm: attempting bad copy_to_user outside whitelist # [ 93.758152] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 93.764970] lkdtm: attempting good copy_to_user inside whitelist # [ 93.771331] 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>[ 94.272195] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 94.279173] lkdtm: attempting good copy_from_user inside whitelist <6>[ 94.285859] lkdtm: attempting bad copy_from_user outside whitelist # [ 94.272195] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 94.279173] lkdtm: attempting good copy_from_user inside whitelist # [ 94.285859] 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>[ 94.755995] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 94.762533] lkdtm: good_stack: c6c7fe0c-c6c7fe2c <6>[ 94.767422] lkdtm: bad_stack : c6c7fd84-c6c7fda4 <6>[ 94.772363] lkdtm: attempting good copy_to_user of local stack <6>[ 94.778500] lkdtm: attempting bad copy_to_user of distant stack # [ 94.755995] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 94.762533] lkdtm: good_stack: c6c7fe0c-c6c7fe2c # [ 94.767422] lkdtm: bad_stack : c6c7fd84-c6c7fda4 # [ 94.772363] lkdtm: attempting good copy_to_user of local stack # [ 94.778500] 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>[ 95.259260] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 95.265998] lkdtm: good_stack: c5e91e0c-c5e91e2c <6>[ 95.270892] lkdtm: bad_stack : c5e91d84-c5e91da4 <6>[ 95.275860] lkdtm: attempting good copy_from_user of local stack <6>[ 95.282196] lkdtm: attempting bad copy_from_user of distant stack # [ 95.259260] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 95.265998] lkdtm: good_stack: c5e91e0c-c5e91e2c # [ 95.270892] lkdtm: bad_stack : c5e91d84-c5e91da4 # [ 95.275860] lkdtm: attempting good copy_from_user of local stack # [ 95.282196] 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>[ 95.767358] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 95.773710] lkdtm: good_stack: c693de0c-c693de2c <6>[ 95.778605] lkdtm: bad_stack : c693dffc-c693e01c <6>[ 95.783579] lkdtm: attempting good copy_to_user of local stack <6>[ 95.789728] lkdtm: attempting bad copy_to_user of distant stack # [ 95.767358] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 95.773710] lkdtm: good_stack: c693de0c-c693de2c # [ 95.778605] lkdtm: bad_stack : c693dffc-c693e01c # [ 95.783579] lkdtm: attempting good copy_to_user of local stack # [ 95.789728] 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>[ 96.269400] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 96.275385] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000 <6>[ 96.282946] lkdtm: attempting bad copy_to_user from kernel text: c053dda4 <3>[ 96.290050] lkdtm: FAIL: survived bad copy_to_user() # [ 96.269400] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 96.275385] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000 # [ 96.282946] lkdtm: attempting bad copy_to_user from kernel text: c053dda4 # [ 96.290050] 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>[ 96.778973] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 96.784970] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 96.792308] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 96.799458] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 96.805890] CPU: 3 PID: 3579 Comm: cat Tainted: G D W 5.10.211-cip44 #1 <4>[ 96.813914] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.820708] Backtrace: <4>[ 96.823443] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.831285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 <4>[ 96.837217] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.844804] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 96.853600] r9:c1ad6318 r8:c15ebd54 r7:c6f67f60 r6:c6f67e34 r5:c6f66000 r4:0000078d <4>[ 96.861617] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.870672] r8:c15ebd54 r7:c6f67f60 r6:00000012 r5:c6940000 r4:00000046 <4>[ 96.877645] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.885926] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.894112] r9:c6f67f60 r8:c526b300 r7:00000012 r6:b6e7e000 r5:c5e82f00 r4:c0c588e8 <4>[ 96.902133] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.910233] r9:c07e20d0 r8:c6f67f60 r7:c290d000 r6:b6e7e000 r5:c5e82f00 r4:00000000 <4>[ 96.918246] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.925650] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c6f66000 r5:c5e82f00 <4>[ 96.933744] r4:c5e82f00 <4>[ 96.936549] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.943954] r9:c6f66000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000012 r4:00000012 <4>[ 96.951970] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.959807] Exception stack(0xc6f67fa8 to 0xc6f67ff0) <4>[ 96.965130] 7fa0: 00000012 00000012 00000001 b6e7e000 00000012 00000000 <4>[ 96.973576] 7fc0: 00000012 00000012 b6fc5e00 00000004 00000001 00000000 00020000 beab1ac4 <4>[ 96.982021] 7fe0: 00000004 beab17f8 b6f2fd8f b6eb67e6 # [ 96.778973] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 96.784970] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 96.792308] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 96.799458] lkdtm: FAIL: the thread stack is NOT properly erased # [ 96.805890] CPU: 3 PID: 3579 Comm: cat Tainted: G D W 5.10.211-cip44 #1 # [ 96.813914] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.820708] Backtrace: # [ 96.823443] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.831285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d178 # [ 96.837217] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.844804] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 96.853600] r9:c1ad6318 r8:c15ebd54 r7:c6f67f60 r6:c6f67e34 r5:c6f66000 r4:0000078d # [ 96.861617] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.870672] r8:c15ebd54 r7:c6f67f60 r6:00000012 r5:c6940000 r4:00000046 # [ 96.877645] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.885926] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.894112] r9:c6f67f60 r8:c526b300 r7:00000012 r6:b6e7e000 r5:c5e82f00 r4:c0c588e8 # [ 96.902133] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.910233] r9:c07e20d0 r8:c6f67f60 r7:c290d000 r6:b6e7e000 r5:c5e82f00 r4:00000000 # [ 96.918246] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.925650] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c6f66000 r5:c5e82f00 # [ 96.933744] r4:c5e82f00 # [ 96.936549] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.943954] r9:c6f66000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000012 r4:00000012 # [ 96.951970] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.959807] Exception stack(0xc6f67fa8 to 0xc6f67ff0) # [ 96.965130] 7fa0: 00000012 00000012 00000001 b6e7e000 00000012 00000000 # [ 96.973576] 7fc0: 00000012 00000012 b6fc5e00 00000004 00000001 00000000 00020000 beab1ac4 # [ 96.982021] 7fe0: 00000004 beab17f8 b6f2fd8f b6eb67e6 # 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>[ 97.469629] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 97.475637] lkdtm: Calling matched prototype ... <6>[ 97.480529] lkdtm: Calling mismatched prototype ... <6>[ 97.485742] lkdtm: Fail: survived mismatched prototype function call! # [ 97.469629] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 97.475637] lkdtm: Calling matched prototype ... # [ 97.480529] lkdtm: Calling mismatched prototype ... # [ 97.485742] 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 Traceback (most recent call last): File "/lava-12910026/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in from tap import parser ModuleNotFoundError: No module named 'tap' + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #