[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.12 (19 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12965456/tftp-deploy-29duw6bv/kernel/zImage tftp 0x10000000 12965456/tftp-deploy-29duw6bv/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.12 Filename '12965456/tftp-deploy-29duw6bv/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 4.8 MiB/s done Bytes transferred = 12558848 (bfa200 hex) => tftp 0x14000000 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.12 Filename '12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 3.7 MiB/s done Bytes transferred = 15340989 (ea15bd hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.12 Filename '12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,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/12965456/extract-nfsrootfs-1mkguq4j,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 - 0xbfa200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15340925 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 5.10.212-cip44 (KernelCI@build-j132469-arm-gcc-10-multi-v7-defconfig-kselftest-l78c2) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Mar 6 21:21:06 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/12965456/extract-nfsrootfs-1mkguq4j,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: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8144K rodata, 2048K init, 6693K bss, 61564K 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 56146 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 15ns <6>[ 0.000009] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns <6>[ 0.008095] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns <6>[ 0.022452] Console: colour dummy device 80x30 <4>[ 0.024357] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032364] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.036710] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041122] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.045755] ... CLASSHASH_SIZE: 4096 <4>[ 0.050344] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055040] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.059762] ... CHAINHASH_SIZE: 32768 <4>[ 0.064437] memory used by lock dependency info: 4061 kB <4>[ 0.070115] memory used for stack traces: 2112 kB <4>[ 0.075138] per task-struct memory footprint: 1536 bytes <6>[ 0.080872] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) <6>[ 0.091525] CPU: Testing write buffer coherency: ok <6>[ 0.096662] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.101937] pid_max: default: 32768 minimum: 301 <6>[ 0.107128] LSM: Security Framework initializing <6>[ 0.111757] LSM support for eBPF active <6>[ 0.115914] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123357] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.134772] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141279] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147663] rcu: Hierarchical SRCU implementation. <6>[ 0.158960] EFI services will not be available. <6>[ 0.162020] smp: Bringing up secondary CPUs ... <6>[ 0.168537] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168553] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180310] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180326] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.191750] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.191764] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.200796] smp: Brought up 1 node, 4 CPUs <6>[ 0.204509] SMP: Total of 4 processors activated (528.00 BogoMIPS). <6>[ 0.211130] CPU: All CPU(s) started in SVC mode. <6>[ 0.218351] devtmpfs: initialized <6>[ 0.265848] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.273252] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.281200] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.292893] pinctrl core: initialized pinctrl subsystem <6>[ 0.301825] DMI not present or invalid. <6>[ 0.305217] NET: Registered protocol family 16 <6>[ 0.317365] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.330009] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.330501] cpuidle: using governor menu <6>[ 0.338611] CPU identified as i.MX6Q, silicon rev 1.0 <6>[ 0.979920] vdd1p1: supplied by regulator-dummy <6>[ 1.009006] vdd3p0: supplied by regulator-dummy <6>[ 1.037671] vdd2p5: supplied by regulator-dummy <6>[ 1.066384] vddarm: supplied by regulator-dummy <6>[ 1.095826] vddpu: supplied by regulator-dummy <6>[ 1.123664] vddsoc: supplied by regulator-dummy <6>[ 2.264507] No ATAGs? <6>[ 2.265311] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.272542] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.295413] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.324927] Serial: AMBA PL011 UART driver <6>[ 2.381300] Kprobes globally optimized <6>[ 2.484272] iommu: Default domain type: Translated <6>[ 2.488752] vgaarb: loaded <5>[ 2.493703] SCSI subsystem initialized <6>[ 2.497190] usbcore: registered new interface driver usbfs <6>[ 2.500881] usbcore: registered new interface driver hub <6>[ 2.506419] usbcore: registered new device driver usb <6>[ 2.518355] i2c i2c-0: IMX I2C adapter registered <6>[ 2.526476] i2c i2c-1: IMX I2C adapter registered <6>[ 2.532565] i2c i2c-2: IMX I2C adapter registered <6>[ 2.538784] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.541179] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.550679] PTP clock support registered <6>[ 2.569751] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.341189] NET: Registered protocol family 2 <6>[ 4.343642] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.353669] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.359741] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.367737] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.376491] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.382982] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.389583] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.396461] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.404216] NET: Registered protocol family 1 <6>[ 4.410766] RPC: Registered named UNIX socket transport module. <6>[ 4.414282] RPC: Registered udp transport module. <6>[ 4.419227] RPC: Registered tcp transport module. <6>[ 4.424300] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.430952] NET: Registered protocol family 44 <6>[ 4.435625] PCI: CLS 0 bytes, default 64 <6>[ 4.441950] Trying to unpack rootfs image as initramfs... <6>[ 6.207179] Freeing initrd memory: 14984K <4>[ 6.209817] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.217112] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.232557] Initialise system trusted keyrings <6>[ 6.235382] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.283704] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.290186] NFS: Registering the id_resolver key type <5>[ 6.292794] Key type id_resolver registered <5>[ 6.297118] Key type id_legacy registered <6>[ 6.301964] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.308392] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.316200] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.322461] Key type asymmetric registered <5>[ 6.325030] Asymmetric key parser 'x509' registered <6>[ 6.330462] bounce: pool size: 64 pages <6>[ 6.334279] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.341938] io scheduler mq-deadline registered <6>[ 6.346615] io scheduler kyber registered <4>[ 6.351713] test_firmware: interface ready <6>[ 6.511629] mxs-dma 110000.dma-controller: initialized <4>[ 6.571149] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.579156] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.784785] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.806620] SuperH (H)SCI(F) driver initialized <6>[ 6.811249] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.822115] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.828546] printk: console [ttymxc1] enabled <6>[ 6.828546] printk: console [ttymxc1] enabled <6>[ 6.837460] printk: bootconsole [ec_imx21] disabled <6>[ 6.837460] printk: bootconsole [ec_imx21] disabled <6>[ 6.853465] msm_serial: driver initialized <6>[ 6.858790] STMicroelectronics ASC driver initialized <6>[ 6.870149] STM32 USART driver initialized <6>[ 6.894773] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.914828] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.923400] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.931295] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 6.979295] brd: module loaded <6>[ 7.023751] loop: module loaded <6>[ 7.030010] lkdtm: No crash points registered, enable through debugfs <6>[ 7.050785] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.059007] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.067364] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.075886] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.084150] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.092643] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.100615] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.112099] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.119382] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.128548] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.142705] scsi host0: ahci-imx <6>[ 7.148246] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.206885] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.220169] pps pps0: new PPS source ptp0 <6>[ 7.264003] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.274465] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.279773] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.286189] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.291920] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.317591] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.325465] usbcore: registered new interface driver pegasus <6>[ 7.331656] usbcore: registered new interface driver asix <6>[ 7.337474] usbcore: registered new interface driver ax88179_178a <6>[ 7.344025] usbcore: registered new interface driver cdc_ether <6>[ 7.350386] usbcore: registered new interface driver smsc75xx <6>[ 7.356606] usbcore: registered new interface driver smsc95xx <6>[ 7.362814] usbcore: registered new interface driver net1080 <6>[ 7.368887] usbcore: registered new interface driver cdc_subset <6>[ 7.375274] usbcore: registered new interface driver zaurus <6>[ 7.381454] usbcore: registered new interface driver cdc_ncm <6>[ 7.398987] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.405924] ehci-pci: EHCI PCI platform driver <6>[ 7.410843] ehci-platform: EHCI generic platform driver <6>[ 7.417295] ehci-orion: EHCI orion driver <6>[ 7.422457] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.427513] ehci-st: EHCI STMicroelectronics driver <6>[ 7.433479] ehci-exynos: EHCI Exynos driver <6>[ 7.438742] ehci-atmel: EHCI Atmel driver <6>[ 7.443840] tegra-ehci: Tegra EHCI driver <6>[ 7.448928] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.455516] ohci-pci: OHCI PCI platform driver <6>[ 7.460427] ohci-platform: OHCI generic platform driver <6>[ 7.466807] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.471912] ohci-st: OHCI STMicroelectronics driver <6>[ 7.477859] ohci-atmel: OHCI Atmel driver <6>[ 7.482487] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.486112] usbcore: registered new interface driver usb-storage <6>[ 7.488514] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.501167] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.524047] i2c /dev entries driver <6>[ 7.602118] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.608595] sdhci: Copyright(c) Pierre Ossman <6>[ 7.621925] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.634856] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.644398] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.649934] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.651316] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.661967] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.671773] usbcore: registered new interface driver usbhid <6>[ 7.677638] usbhid: USB HID core driver <6>[ 7.693645] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.695643] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.705168] netem: version 1.3 <6>[ 7.711668] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.719771] IPv4 over IPsec tunneling driver <6>[ 7.728695] NET: Registered protocol family 10 <6>[ 7.738684] Segment Routing with IPv6 <6>[ 7.741305] mmc2: new high speed SDHC card at address 0001 <6>[ 7.748200] NET: Registered protocol family 17 <6>[ 7.752170] mmcblk2: mmc2:0001 SD 14.8 GiB <6>[ 7.754864] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.763270] Key type dns_resolver registered <4>[ 7.779360] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 7.779870] ThumbEE CPU extension supported. <4>[ 7.787308] GPT:7812499 != 30965759 <5>[ 7.791876] Registering SWP/SWPB emulation handler <4>[ 7.795580] GPT:Alternate GPT header not at the end of the disk. <5>[ 7.802193] Loading compiled-in X.509 certificates <4>[ 7.806974] GPT:7812499 != 30965759 <4>[ 7.815869] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.821451] mmcblk2: p1 p2 p3 <4>[ 7.994588] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.003349] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.017284] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.055835] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.069455] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.075113] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.111188] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.130490] hub 1-0:1.0: USB hub found <6>[ 8.135115] hub 1-0:1.0: 1 port detected <3>[ 8.150154] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data <3>[ 8.157768] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem <4>[ 8.166271] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 <4>[ 8.195063] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.203658] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.217529] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.250147] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.258681] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.272628] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.292435] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.323855] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.332453] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.346515] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.369514] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) <6>[ 8.549985] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.758230] hub 1-1:1.0: USB hub found <6>[ 8.763209] hub 1-1:1.0: 3 ports detected <4>[ 8.796060] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.804673] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.818719] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 10.481617] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off <6>[ 10.490676] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 10.519787] Sending DHCP requests ., OK <6>[ 10.564477] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 <6>[ 10.573005] IP-Config: Complete: <6>[ 10.576572] device=eth0, hwaddr=0e:cc:7b:b0:7c:c7, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.587428] host=imx6q-sabrelite-lava-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 10.595677] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.595718] nameserver0=192.168.201.1 <6>[ 10.668531] Freeing unused kernel memory: 2048K <6>[ 10.680672] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 14.999849] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 15.070189] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.084752] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.107330] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.147525] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.148682] CAN device driver interface <4>[ 15.191723] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.207778] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.224869] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.258380] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.267210] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.300561] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.314578] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.330163] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.337014] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.345396] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.352103] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.358502] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.367956] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.388274] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.391469] caam 2100000.crypto: Entropy delay = 3200 <4>[ 15.441852] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.450678] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.462515] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.523275] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.528775] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.535777] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.561364] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.593324] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.596331] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.602204] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.610158] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.613444] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.614162] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.614813] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.615271] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.618339] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.633810] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.642569] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.663795] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 15.683933] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.697869] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.715241] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.755778] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <6>[ 15.762198] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.772978] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.781914] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.791020] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.858677] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.867689] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.887439] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.010467] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.019417] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.028373] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.037322] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.640232] caam algorithms registered in /proc/crypto <6>[ 16.662717] caam 2100000.crypto: registering rng-caam <5>[ 16.792050] random: crng init done <4>[ 16.804133] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.812926] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.827156] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.865742] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.874538] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.883360] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.892090] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 0e:cc:7b:b0:7c:c7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 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-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 19.054359] systemd[1]: System time before build time, advancing clock. <30>[ 19.322863] 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>[ 19.359115] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.426921] systemd[1]: Set hostname to . <30>[ 21.201989] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 21.217267] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 21.264875] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 21.286055] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 21.334143] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 21.384701] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 21.433890] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 21.482241] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 21.495416] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 21.542147] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 21.580227] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 21.620693] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 21.661640] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 21.701985] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.800530] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.813706] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.856278] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.906474] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.961324] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 22.002371] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 22.044041] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 22.055179] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 22.075514] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 22.122890] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 22.188148] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 22.244157] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 22.302260] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 22.361566] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 22.409349] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 22.442775] systemd[1]: Starting Journal Service... <6>[ 22.444829] fuse: init (API version 7.32) Starting Journal Service... <30>[ 22.515940] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 22.560844] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 22.621982] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 22.664590] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 22.703342] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.760281] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 22.858716] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.869809] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.916251] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.927060] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.976799] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.987564] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 23.046007] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 23.095972] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 23.163158] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 23.220298] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 23.251198] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 23.262624] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 23.283333] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 23.333032] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 23.386903] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 23.446292] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... <46>[ 23.835335] systemd-journald[275]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [* ] A start job is running for User Login Management (13s / 1min 40s) M [ OK ] Started User Login Management. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.212-cip44 #1 SMP Wed Mar 6 21:21:06 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/12965456/extract-nfsrootfs-1mkguq4j' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j' / # 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-12965456/environment . /lava-12965456/environment / # /lava-12965456/bin/lava-test-runner /lava-12965456/0 /lava-12965456/bin/lava-test-runner /lava-12965456/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12965456/0/tests/0_timesync-off ++ cat uuid + UUID=12965456_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-12965456/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12965456_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-cip44-594-gb47da48f3bae7/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 --2024-03-06 21:37:20-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/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: 1409000 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 46.39K 178KB/s kselftest.tar.xz 15%[==> ] 213.25K 406KB/s kselftest.tar.xz 62%[===========> ] 854.75K 1.01MB/s kselftest.tar.xz 100%[===================>] 1.34M 1.40MB/s in 1.0s 2024-03-06 21:37:21 (1.40 MB/s) - 'kselftest.tar.xz' saved [1409000/1409000] 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>[ 61.208717] 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>[ 62.305742] lkdtm: Performing direct entry BUG <4>[ 62.311174] ------------[ cut here ]------------ <2>[ 62.316077] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 62.321573] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 62.326983] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 62.356316] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.212-cip44 #1 <4>[ 62.362852] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 62.369661] PC is at lkdtm_BUG+0x14/0x18 <4>[ 62.373857] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 62.378570] pc : [] lr : [] psr: a00e0013 <4>[ 62.385104] sp : c68d1e58 ip : c68d1e68 fp : c68d1e64 <4>[ 62.390597] r10: 00000004 r9 : c1ad5c00 r8 : c15ebd54 <4>[ 62.396090] r7 : c68d1f60 r6 : 00000004 r5 : c5ed3000 r4 : 00000001 <4>[ 62.402886] r3 : c0c58a54 r2 : e6134b02 r1 : ef7ab5e0 r0 : c15ebd5c <4>[ 62.409683] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 62.417086] Control: 10c5387d Table: 16d9404a DAC: 00000051 <0>[ 62.423102] Process cat (pid: 700, stack limit = 0x861f2a08) <0>[ 62.429030] Stack: (0xc68d1e58 to 0xc68d2000) <0>[ 62.433660] 1e40: c68d1e74 c68d1e68 <0>[ 62.442109] 1e60: c0c584e8 c0c58a60 c68d1e9c c68d1e78 c0c589e8 c0c584c8 c0c588c8 c435d400 <0>[ 62.450562] 1e80: b6e77000 00000004 c517a780 c68d1f60 c68d1ec4 c68d1ea0 c07e211c c0c588d4 <0>[ 62.459013] 1ea0: 00000000 c435d400 b6e77000 c290d000 c68d1f60 c07e20b8 c68d1f5c c68d1ec8 <0>[ 62.467463] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68d0000 <0>[ 62.475913] 1ee0: b6e77000 00020000 00000004 00000004 0001fffc c68d1ee0 00000001 b6e76000 <0>[ 62.484361] 1f00: c68d7400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 62.492810] 1f20: 00000000 00000000 c13e0f18 e6134b02 c206c0e0 c435d400 c435d400 c68d0000 <0>[ 62.501260] 1f40: b6e77000 00000000 00000000 00000004 c68d1f94 c68d1f60 c059c358 c059bcac <0>[ 62.509709] 1f60: 00000000 00000000 c68d1fac e6134b02 00000004 00000004 b6fbee00 00000004 <0>[ 62.518160] 1f80: c03002e4 c68d0000 c68d1fa4 c68d1f98 c059c3e8 c059c2f0 00000000 c68d1fa8 <0>[ 62.526610] 1fa0: c03000c0 c059c3dc 00000004 00000004 00000001 b6e77000 00000004 00000000 <0>[ 62.535061] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4 <0>[ 62.543510] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 800e0030 00000001 00000000 00000000 <0>[ 62.551952] Backtrace: <0>[ 62.554681] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 62.562526] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 62.570810] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 62.579003] r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8 <0>[ 62.587028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 62.595132] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000 <0>[ 62.603149] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 62.610558] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400 <0>[ 62.618654] r4:c435d400 <0>[ 62.621464] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 62.628872] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004 <0>[ 62.636892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 62.644731] Exception stack(0xc68d1fa8 to 0xc68d1ff0) <0>[ 62.650055] 1fa0: 00000004 00000004 00000001 b6e77000 00000004 00000000 <0>[ 62.658505] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4 <0>[ 62.666951] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 <0>[ 62.672275] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 62.678644] ---[ end trace c25e2e226ccb7025 ]--- <3>[ 62.683534] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 62.692677] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat <4>[ 62.700599] INFO: lockdep is turned off. <4>[ 62.704789] irq event stamp: 1658 <4>[ 62.708385] hardirqs last enabled at (1657): [] console_unlock+0x4b0/0x6c0 <4>[ 62.716487] hardirqs last disabled at (1658): [] __und_svc+0x60/0x6c <4>[ 62.723980] softirqs last enabled at (1654): [] __do_softirq+0x36c/0x5a0 <4>[ 62.731909] softirqs last disabled at (1649): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 62.740011] CPU: 2 PID: 700 Comm: cat Tainted: G D 5.10.212-cip44 #1 <4>[ 62.747935] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 62.754729] Backtrace: <4>[ 62.757460] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 62.765303] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 62.771241] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 62.778831] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 62.786848] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1e48 r4:c68d0000 <4>[ 62.794866] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 62.802966] r6:00000000 r5:00000031 r4:c19d1e48 <4>[ 62.807865] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 62.815877] r6:00000001 r5:c68d0000 r4:c2c56c00 <4>[ 62.820777] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 62.828356] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c2c56c00 <4>[ 62.835337] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 62.842913] r7:c1e1ca8c <4>[ 62.845724] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 62.853133] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 62.860456] r10:00000004 r9:c68d0000 r8:c15ebd54 r7:00000000 r6:c68d1dc8 r5:c0c58a68 <4>[ 62.868553] r4:e7f001f2 <4>[ 62.871363] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 62.879550] Exception stack(0xc68d1dc8 to 0xc68d1e10) <4>[ 62.884874] 1dc0: c15ebd5c ef7ab5e0 e6134b02 c0c58a54 00000001 c5ed3000 <4>[ 62.893324] 1de0: 00000004 c68d1f60 c15ebd54 c1ad5c00 00000004 c68d1e64 c68d1e68 c68d1e58 <4>[ 62.901770] 1e00: c0c584e8 c0c58a68 a00e0013 ffffffff <4>[ 62.907091] r7:c68d1dfc r6:ffffffff r5:a00e0013 r4:c0c58a6c <4>[ 62.913025] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 62.920867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 62.929150] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 62.937338] r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8 <4>[ 62.945359] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 62.953461] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000 <4>[ 62.961478] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 62.968886] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400 <4>[ 62.976982] r4:c435d400 <4>[ 62.979789] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 62.987196] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004 <4>[ 62.995213] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 63.003049] Exception stack(0xc68d1fa8 to 0xc68d1ff0) <4>[ 63.008371] 1fa0: 00000004 00000004 00000001 b6e77000 00000004 00000000 <4>[ 63.016820] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4 <4>[ 63.025265] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 # Segmentation fault # [ 62.305742] lkdtm: Performing direct entry BUG # [ 62.311174] ------------[ cut here ]------------ # [ 62.316077] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 62.321573] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 62.326983] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 62.356316] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.212-cip44 #1 # [ 62.362852] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.369661] PC is at lkdtm_BUG+0x14/0x18 # [ 62.373857] LR is at lkdtm_do_action+0x2c/0x4c # [ 62.378570] pc : [] lr : [] psr: a00e0013 # [ 62.385104] sp : c68d1e58 ip : c68d1e68 fp : c68d1e64 # [ 62.390597] r10: 00000004 r9 : c1ad5c00 r8 : c15ebd54 # [ 62.396090] r7 : c68d1f60 r6 : 00000004 r5 : c5ed3000 r4 : 00000001 # [ 62.402886] r3 : c0c58a54 r2 : e6134b02 r1 : ef7ab5e0 r0 : c15ebd5c # [ 62.409683] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 62.417086] Control: 10c5387d Table: 16d9404a DAC: 00000051 # [ 62.423102] Process cat (pid: 700, stack limit = 0x861f2a08) # [ 62.429030] Stack: (0xc68d1e58 to 0xc68d2000) # [ 62.433660] 1e40: c68d1e74 c68d1e68 # [ 62.442109] 1e60: c0c584e8 c0c58a60 c68d1e9c c68d1e78 c0c589e8 c0c584c8 c0c588c8 c435d400 # [ 62.450562] 1e80: b6e77000 00000004 c517a780 c68d1f60 c68d1ec4 c68d1ea0 c07e211c c0c588d4 # [ 62.459013] 1ea0: 00000000 c435d400 b6e77000 c290d000 c68d1f60 c07e20b8 c68d1f5c c68d1ec8 # [ 62.467463] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68d0000 # [ 62.475913] 1ee0: b6e77000 00020000 00000004 00000004 0001fffc c68d1ee0 00000001 b6e76000 # [ 62.484361] 1f00: c68d7400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 62.492810] 1f20: 00000000 00000000 c13e0f18 e6134b02 c206c0e0 c435d400 c435d400 c68d0000 # [ 62.501260] 1f40: b6e77000 00000000 00000000 00000004 c68d1f94 c68d1f60 c059c358 c059bcac # [ 62.509709] 1f60: 00000000 00000000 c68d1fac e6134b02 00000004 00000004 b6fbee00 00000004 # [ 62.518160] 1f80: c03002e4 c68d0000 c68d1fa4 c68d1f98 c059c3e8 c059c2f0 00000000 c68d1fa8 # [ 62.526610] 1fa0: c03000c0 c059c3dc 00000004 00000004 00000001 b6e77000 00000004 00000000 # [ 62.535061] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4 # [ 62.543510] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 800e0030 00000001 00000000 00000000 # [ 62.551952] Backtrace: # [ 62.554681] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.562526] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.570810] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.579003] r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8 # [ 62.587028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.595132] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000 # [ 62.603149] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.610558] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400 # [ 62.618654] r4:c435d400 # [ 62.621464] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.628872] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004 # [ 62.636892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.644731] Exception stack(0xc68d1fa8 to 0xc68d1ff0) # [ 62.650055] 1fa0: 00000004 00000004 00000001 b6e77000 00000004 00000000 # [ 62.658505] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4 # [ 62.666951] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 # [ 62.672275] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 62.678644] ---[ end trace c25e2e226ccb7025 ]--- # [ 62.683534] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.692677] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat # [ 62.700599] INFO: lockdep is turned off. # [ 62.704789] irq event stamp: 1658 # [ 62.708385] hardirqs last enabled at (1657): [] console_unlock+0x4b0/0x6c0 # [ 62.716487] hardirqs last disabled at (1658): [] __und_svc+0x60/0x6c # [ 62.723980] softirqs last enabled at (1654): [] __do_softirq+0x36c/0x5a0 # [ 62.731909] softirqs last disabled at (1649): [] __irq_exit_rcu+0x178/0x1d0 # [ 62.740011] CPU: 2 PID: 700 Comm: cat Tainted: G D 5.10.212-cip44 #1 # [ 62.747935] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.754729] Backtrace: # [ 62.757460] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 62.765303] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 # [ 62.771241] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 62.778831] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 62.786848<6>[ 63.581961] lkdtm: Performing direct entry WARNING ] r9:600e0093 r8:0000000b r7:c03<4>[ 63.588677] ------------[ cut here ]------------ 5c468 r6:00000031 r5:c19d1e48 r4:<4>[ 63.596520] WARNING: CPU: 1 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c c68d0000 # [ 62.794866] [[ 63.608032] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 fa6c>] (___might_sleep) from [[ 63.639987] CPU: 1 PID: 772 Comm: cat Tainted: G D W 5.10.212-cip44 #1 38fdbc>] (__might_sleep+0x70/0xb0<4>[ 63.650721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ) # [ 62.802966] r6:00000000 <4>[ 63.660371] Backtrace: r5:00000031 r4:c19d1e48 # [ 62<4>[ 63.665959] [] (dump_backtrace) from [] (show_stack+0x20/0x24) .807865] [] (__might_sl<4>[ 63.676641] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 eep) from [] (exit_sign<4>[ 63.685431] [] (show_stack) from [] (dump_stack+0xe0/0x100) als+0x4c/0x420) # [ 62.815877]<4>[ 63.695863] [] (dump_stack) from [] (__warn+0x98/0x14c) r6:00000001 r5:c68d0000 r4:c2c5<4>[ 63.705943] r9:00000009 r8:c0c58ab4 r7:00000053 r6:00000009 r5:c0c58ab4 r4:c1ad62bc 6c00 # [ 62.820777] [[ 63.716810] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) >] (exit_signals) from [[ 63.727411] r7:00000053 r6:c1ad62bc r5:00000000 r4:c68b6000 >] (do_exit+0x100/0xafc) # [ 6<4>[ 63.736199] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 2.828356] r8:0000000b r7:c1e1ca8<4>[ 63.747411] r9:c1ad5c04 r8:c15ebd54 r7:c68b7f60 r6:00000008 r5:c6acb000 r4:00000002 c r6:ffffe000 r5:00000000 r4:c2c5<4>[ 63.758279] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 6c00 # [ 62.835337] [[ 63.769316] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) >] (do_exit) from [] (m<4>[ 63.780450] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ake_task_dead+0x68/0x74) # [ 6<4>[ 63.791483] r9:c68b7f60 r8:c517a780 r7:00000008 r6:b6e58000 r5:c68e9040 r4:c0c588c8 2.842913] r7:c1e1ca8c <4>[ 63.802355] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.845724] [] (ma<4>[ 63.812520] r9:c07e20b8 r8:c68b7f60 r7:c290d000 r6:b6e58000 r5:c68e9040 r4:00000000 ke_task_dead) from [] (<4>[ 63.823387] [] (vfs_write) from [] (ksys_write+0x74/0xec) die+0x370/0x37c) # [ 62.853133<4>[ 63.833643] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c68b6000 r5:c68e9040 ] [] (die) from [[ 63.844588] r4:c68e9040 abc>] (do_undefinstr+0x170/0x240)<4>[ 63.850255] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.860456] r10:00000004 <4>[ 63.860510] r9:c68b6000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000008 r4:00000008 r9:c68d0000 r8:c15ebd54 r7:000000<4>[ 63.871381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 00 r6:c68d1dc8 r5:c0c58a68 <4>[ 63.882064] Exception stack(0xc68b7fa8 to 0xc68b7ff0) # [ 62.868553] r4:e7f001f2<4>[ 63.889811] 7fa0: 00000008 00000008 00000001 b6e58000 00000008 00000000 <4>[ 63.900763] 7fc0: 00000008 00000008 b6f9fe00 00000004 00000001 00000000 00020000 bed45ac4 <4>[ 63.909212] 7fe0: 00000004 bed457f8 b6f09d8f b6e907e6 # [ 62.871363] [] (do<4>[ 63.914775] irq event stamp: 0 _undefinstr) from [] (_<4>[ 63.920911] hardirqs last enabled at (0): [<00000000>] 0x0 _und_svc_finish+0x0/0x54) # [ <4>[ 63.929591] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 62.879550] Exception stack(0xc68d<4>[ 63.940245] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 1dc8 to 0xc68d1e10) # [ 62.884<4>[ 63.950828] softirqs last disabled at (0): [<00000000>] 0x0 874] 1dc0: c15e<4>[ 63.959502] ---[ end trace c25e2e226ccb7026 ]--- bd5c ef7ab5e0 e6134b02 c0c58a54 00000001 c5ed3000 # [ 62.893324] 1de0: 00000004 c68d1f60 c15ebd54 c1ad5c00 00000004 c68d1e64 c68d1e68 c68d1e58 # [ 62.901770] 1e00: c0c584e8 c0c58a68 a00e0013 ffffffff # [ 62.907091] r7:c68d1dfc r6:ffffffff r5:a00e0013 r4:c0c58a6c # [ 62.913025] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.920867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.929150] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.937338] r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8 # [ 62.945359] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.953461] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000 # [ 62.961478] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.968886] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400 # [ 62.976982] r4:c435d400 # [ 62.979789] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.987196] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004 # [ 62.995213] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.003049] Exception stack(0xc68d1fa8 to 0xc68d1ff0) # [ 63.008371] 1fa0: 00000004 00000004 00000001 b6e77000 00000004 00000000 # [ 63.016820] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4 # [ 63.025265] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 63.581961] lkdtm: Performing direct entry WARNING # [ 63.588677] ------------[ cut here ]------------ # [ 63.596520] WARNING: CPU: 1 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 63.608032] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 63.639987] CPU: 1 PID: 772 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 63.650721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.660371] Backtrace: # [ 63.665959] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 63.676641] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 63.685431] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 63.695863] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 63.705943] r9:00000009 r8:c0c58ab4 r7:00000053 r6:00000009 r5:c0c58ab4 r4:c1ad62bc # [ 63.716810] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 63.727411] r7:00000053 r6:c1ad62bc r5:00000000 r4:c68b6000 # [ 63.736199] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 63.747411] r9:c1ad5c04 r8:c15ebd54 r7:c68b7f60 r6:00000008 r5:c6acb000 r4:00000002 # [ 63.758279] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.769316] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.780450] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.791483] r9:c68b7f60 r8:c517a780 r7:00000008 r6:b6e58000 r5:c68e9040 r4:c0c588c8 # [ 63.802355] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.812520] r9:c07e20b8 r8:c68b7f60 r7:c290d000 r6:b6e58000 r5:c68e9040 r4:00000000 # [ 63.823387] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.833643] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c68b6000 r5:c68e9040 # [ 63.844588] r4:c68e9040 # [ 63.850255] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.860510] r9:c68b6000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000008 r4:00000008 # [ 63.871381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.882064] Exception stack(0xc68b7fa8 to 0xc68b7ff0) # [ 63.889811] 7fa0: 00000008 00000008 00000001 b6e58000 00000008 00000000 # [ 63.900763] 7fc0: 00000008 00000008 b6f9fe00 00000004 00000001 00000000 00020000 bed45ac4 # [ 63.909212] 7fe0: 00000004 bed457f8 b6f09d8f b6e907e6 # [ 63.914775] irq event stamp: 0 # [ 63.920911] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 63.929591] hardirqs last disabled at (0): [] copy_process+<6>[ 64.373730] lkdtm: Performing direct entry WARNING_MESSAGE 0x5f8/0x1dac # [ 63.940245] so<4>[ 64.382225] ------------[ cut here ]------------ ftirqs last enabled at (0): [[ 64.389973] WARNING: CPU: 1 PID: 808 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 3538f4>] copy_process+0x5f8/0x1da<4>[ 64.402235] Warning message trigger count: 2 c # [ 63.950828] softirqs last<4>[ 64.409568] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 disabled at (0): [<00000000>] 0x<4>[ 64.441586] CPU: 1 PID: 808 Comm: cat Tainted: G D W 5.10.212-cip44 #1 0 # [ 63.959502] ---[ end trac<4>[ 64.452308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e c25e2e226ccb7026 ]--- # WARNIN<4>[ 64.461958] Backtrace: G: saw 'WARNING:': ok ok 3 selft<4>[ 64.467546] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ests: lkdtm: WARNING.sh # selfte<4>[ 64.478228] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 sts: lkdtm: WARNING_MESSAGE.sh <4>[ 64.487014] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 64.497362] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 64.504598] r9:00000009 r8:c0c58b04 r7:00000058 r6:00000009 r5:c0c58b04 r4:c1ad62bc <4>[ 64.512616] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 64.520370] r7:00000058 r6:c1ad62bc r5:c1ad62d8 r4:c43a0000 <4>[ 64.526307] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) <4>[ 64.535365] r9:c1ad5c0c r8:c15ebd54 r7:c43a1f60 r6:00000010 r5:c6afa000 r4:00000003 <4>[ 64.543383] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 64.552267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 64.560552] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 64.568741] r9:c43a1f60 r8:c517a780 r7:00000010 r6:b6e27000 r5:c5c2f040 r4:c0c588c8 <4>[ 64.576766] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 64.584870] r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e27000 r5:c5c2f040 r4:00000000 <4>[ 64.592886] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 64.600295] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c43a0000 r5:c5c2f040 <4>[ 64.608393] r4:c5c2f040 <4>[ 64.611201] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 64.618611] r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000010 r4:00000010 <4>[ 64.626630] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 64.634470] Exception stack(0xc43a1fa8 to 0xc43a1ff0) <4>[ 64.639799] 1fa0: 00000010 00000010 00000001 b6e27000 00000010 00000000 <4>[ 64.648251] 1fc0: 00000010 00000010 b6f6ee00 00000004 00000001 00000000 00020000 bea28ac4 <4>[ 64.656698] 1fe0: 00000004 bea287f8 b6ed8d8f b6e5f7e6 <4>[ 64.662082] irq event stamp: 0 <4>[ 64.665422] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 64.671310] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 64.679076] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 64.686881] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 64.692786] ---[ end trace c25e2e226ccb7027 ]--- # [ 64.373730] lkdtm: Performing direct entry WARNING_MESSAGE # [ 64.382225] ------------[ cut here ]------------ # [ 64.389973] WARNING: CPU: 1 PID: 808 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 64.402235] Warning message trigger count: 2 # [ 64.409568] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.441586] CPU: 1 PID: 808 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 64.452308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.461958] Backtrace: # [ 64.467546] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.478228] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 64.487014] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.497362] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.504598] r9:00000009 r8:c0c58b04 r7:00000058 r6:00000009 r5:c0c58b04 r4:c1ad62bc # [ 64.512616] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.520370] r7:00000058 r6:c1ad62bc r5:c1ad62d8 r4:c43a0000 # [ 64.526307] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 64.535365] r9:c1ad5c0c r8:c15ebd54 r7:c43a1f60 r6:00000010 r5:c6afa000 r4:00000003 # [ 64.543383] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.552267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.560552] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.568741] r9:c43a1f60 r8:c517a780 r7:00000010 r6:b6e27000 r5:c5c2f040 r4:c0c588c8 # [ 64.576766] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.584870] r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e27000 r5:c5c2f040 r4:00000000 # [ 64.592886] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.600295] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c43a0000 r5:c5c2f040 # [ 64.608393] r4:c5c2f040 # [ 64.611201] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.618611] r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000010 r4:00000010 # [ 64.626630] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.634470] Exception stack(0xc43a1fa8 to 0xc43a1ff0) # [ 64.639799] 1fa0: 00000010 00000010 00000001 b6e27000 00000010 00000000 # [ 64.648251] 1fc0: 00000010 00000010 b6f6ee00 00000004 00000001 00000000 00020000 bea28ac4 # [ 64.656698] 1fe0: 00000004 bea287f8 b6ed8d8f b6e5f7e6 # [ 64.662082] irq event stamp: 0 # [ 64.665422] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 64.671310] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.679076] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.686881] softirqs last disabled at (0): [<00000000>] 0x0 # [ 64.692786] ---[ end trace c25e2e226ccb7027 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 65.091523] lkdtm: Performing direct entry EXCEPTION <1>[ 65.096783] 8<--- cut here --- <1>[ 65.100183] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 65.108576] pgd = cd69732b <1>[ 65.111624] [00000000] *pgd=00000000 <0>[ 65.115500] Internal error: Oops: 805 [#2] SMP ARM <4>[ 65.120574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 65.149889] CPU: 2 PID: 841 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 65.157816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 65.164625] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 65.169342] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 65.174055] pc : [] lr : [] psr: a00e0013 <4>[ 65.180591] sp : c6d87e58 ip : c6d87e68 fp : c6d87e64 <4>[ 65.186085] r10: 0000000a r9 : c1ad5c1c r8 : c15ebd54 <4>[ 65.191578] r7 : c6d87f60 r6 : 0000000a r5 : c6a7a000 r4 : 00000004 <4>[ 65.198374] r3 : 00000000 r2 : a304bbe5 r1 : ef7ab5e0 r0 : c15ebd74 <4>[ 65.205171] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 65.212575] Control: 10c5387d Table: 16a2404a DAC: 00000051 <0>[ 65.218595] Process cat (pid: 841, stack limit = 0x7b334bf5) <0>[ 65.224524] Stack: (0xc6d87e58 to 0xc6d88000) <0>[ 65.229152] 7e40: c6d87e74 c6d87e68 <0>[ 65.237605] 7e60: c0c584e8 c0c58b18 c6d87e9c c6d87e78 c0c589e8 c0c584c8 c0c588c8 c68d7b80 <0>[ 65.246055] 7e80: b6de8000 0000000a c517a780 c6d87f60 c6d87ec4 c6d87ea0 c07e211c c0c588d4 <0>[ 65.254505] 7ea0: 00000000 c68d7b80 b6de8000 c290d000 c6d87f60 c07e20b8 c6d87f5c c6d87ec8 <0>[ 65.262957] 7ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c41210e4 c059c358 c6d86000 <0>[ 65.271406] 7ee0: b6de8000 00020000 00000004 0000000a 0001fff6 c6d87ee0 00000001 00000805 <0>[ 65.279855] 7f00: c4237680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 65.288305] 7f20: 00000000 00000000 c6d86000 a304bbe5 b6de7000 c68d7b80 c68d7b80 c6d86000 <0>[ 65.296754] 7f40: b6de8000 00000000 00000000 00000004 c6d87f94 c6d87f60 c059c358 c059bcac <0>[ 65.305204] 7f60: 00000000 00000000 c6d87fac a304bbe5 0000000a 0000000a b6f2fe00 00000004 <0>[ 65.313654] 7f80: c03002e4 c6d86000 c6d87fa4 c6d87f98 c059c3e8 c059c2f0 00000000 c6d87fa8 <0>[ 65.322103] 7fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6de8000 0000000a 00000000 <0>[ 65.330554] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4 <0>[ 65.339002] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6 800e0030 00000001 00000000 00000000 <0>[ 65.347446] Backtrace: <0>[ 65.350176] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 65.358543] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 65.366830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 65.375024] r9:c6d87f60 r8:c517a780 r7:0000000a r6:b6de8000 r5:c68d7b80 r4:c0c588c8 <0>[ 65.383050] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 65.391154] r9:c07e20b8 r8:c6d87f60 r7:c290d000 r6:b6de8000 r5:c68d7b80 r4:00000000 <0>[ 65.399175] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 65.406585] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6d86000 r5:c68d7b80 <0>[ 65.414682] r4:c68d7b80 <0>[ 65.417491] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 65.424898] r9:c6d86000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000a r4:0000000a <0>[ 65.432919] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 65.440757] Exception stack(0xc6d87fa8 to 0xc6d87ff0) <0>[ 65.446080] 7fa0: 0000000a 0000000a 00000001 b6de8000 0000000a 00000000 <0>[ 65.454531] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4 <0>[ 65.462979] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6 <0>[ 65.468303] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 65.474769] ---[ end trace c25e2e226ccb7028 ]--- # Segmentation fault # [ 65.091523] lkdtm: Performing direct entry EXCEPTION # [ 65.096783] 8<--- cut here --- # [ 65.100183] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 65.108576] pgd = cd69732b # [ 65.111624] [00000000] *pgd=00000000 # [ 65.115500] Internal error: Oops: 805 [#2] SMP ARM # [ 65.120574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 65.149889] CPU: 2 PID: 841 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 65.157816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.164625] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 65.169342] LR is at lkdtm_do_action+0x2c/0x4c # [ 65.174055] pc : [] lr : [] psr: a00e0013 # [ 65.180591] sp : c6d87e58 ip : c6d87e68 fp : c6d87e64 # [ 65.186085] r10: 0000000a r9 : c1ad5c1c r8 : c15ebd54 # [ 65.191578] r7 : c6d87f60 r6 : 0000000a r5 : c6a7a000 r4 : 00000004 # [ 65.198374] r3 : 00000000 r2 : a304bbe5 r1 : ef7ab5e0 r0 : c15ebd74 # [ 65.205171] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 65.212575] Control: 10c5387d Table: 16a2404a DAC: 00000051 # [ 65.218595] Process cat (pid: 841, stack limit = 0x7b334bf5) # [ 65.224524] Stack: (0xc6d87e58 to 0xc6d88000) # [ 65.229152] 7e40: c6d87e74 c6d87e68 # [ 65.237605] 7e60: c0c584e8 c0c58b18 c6d87e9c c6d87e78 c0c589e8 c0c584c8 c0c588c8 c68d7b80 # [ 65.246055] 7e80: b6de8000 0000000a c517a780 c6d87f60 c6d87ec4 c6d87ea0 c07e211c c0c588d4 # [ 65.254505] 7ea0: 00000000 c68d7b80 b6de8000 c290d000 c6d87f60 c07e20b8 c6d87f5c c6d87ec8 # [ 65.262957] 7ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c41210e4 c059c358 c6d86000 # [ 65.271406] 7ee0: b6de8000 00020000 00000004 0000000a 0001fff6 c6d87ee0 00000001 00000805 # [ 65.279855] 7f00: c4237680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 65.288305] 7f20: 00000000 00000000 c6d86000 a304bbe5 b6de7000 c68d7b80 c68d7b80 c6d86000 # [ 65.296754] 7f40: b6de8000 00000000 00000000 00000004 c6d87f94 c6d87f60 c059c358 c059bcac # [ 65.305204] 7f60: 00000000 00000000 c6d87fac a304bbe5 0000000a 0000000a b6f2fe00 00000004 # [ 65.313654] 7f80: c03002e4 c6d86000 c6d87fa4 c6d87f98 c059c3e8 c059c2f0 00000000 c6d87fa8 # [ 65.322103] 7fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6de8000 0000000a 00000000 # [ 65.330554] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4 # [ 65.339002] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6 800e0030 00000001 00000000 00000000 # [ 65.347446] Backtrace: # [ 65.350176] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.358543] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.366830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.375024] r9:c6d87f60 r8:c517a780 r7:0000000a r6:b6de8000 r5:c68d7b80 r4:c0c588c8 # [ 65.383050] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.391154] r9:c07e20b8 r8:c6d87f60 r7:c290d000 r6:b6de8000 r5:c68d7b80 r4:00000000 # [ 65.399175] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.406585] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6d86000 r5:c68d7b80 # [ 65.414682] r4:c68d7b80 # [ 65.417491] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.424898] r9:c6d86000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000a r4:0000000a # [ 65.432919] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.440757] Exception stack(0xc6d87fa8 to 0xc6d87ff0) # [ 65.446080] 7fa0: 0000000a 0000000a 00000001 b6de8000 0000000a 00000000 # [ 65.454531] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4 # [ 65.462979] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6 # [ 65.468303] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 65.474769] ---[ end trace c25e2e226ccb7028 ]--- # 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>[ 66.867809] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 66.873822] lkdtm: attempting good list addition <6>[ 66.878738] lkdtm: attempting corrupted list addition <3>[ 66.884122] lkdtm: list_add() corruption not detected! # [ 66.867809] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 66.873822] lkdtm: attempting good list addition # [ 66.878738] lkdtm: attempting corrupted list addition # [ 66.884122] 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>[ 67.296257] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 67.302164] lkdtm: attempting good list removal <6>[ 67.306970] lkdtm: attempting corrupted list removal <3>[ 67.312251] lkdtm: list_del() corruption not detected! # [ 67.296257] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.302164] lkdtm: attempting good list removal # [ 67.306970] lkdtm: attempting corrupted list removal # [ 67.312251] 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>[ 67.735836] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 67.742471] lkdtm: attempting bad read from page below current stack <3>[ 67.749102] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 67.735836] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 67.742471] lkdtm: attempting bad read from page below current stack # [ 67.749102] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 68.147605] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 68.154342] lkdtm: attempting bad read from page above current stack <3>[ 68.161054] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 68.147605] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.154342] lkdtm: attempting bad read from page above current stack # [ 68.161054] 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>[ 68.601775] lkdtm: Performing direct entry UNSET_SMEP <3>[ 68.607115] lkdtm: XFAIL: this test is x86_64-only # [ 68.601775] lkdtm: Performing direct entry UNSET_SMEP # [ 68.607115] 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>[ 68.996429] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 69.002026] lkdtm: XFAIL: this test is ia32-only # [ 68.996429] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.002026] 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>[ 69.414794] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 69.420286] lkdtm: XFAIL: this test is arm64-only # [ 69.414794] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.420286] 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 <4>[ 69.605688] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.614668] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.630959] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.674155] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.683011] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.691859] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.700611] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.711330] platform panel-lcd: deferred probe pending <6>[ 69.716773] platform panel-lvds0: deferred probe pending <6>[ 69.722462] platform backlight-lcd: deferred probe pending <6>[ 69.728233] platform backlight-lvds: deferred probe pending <6>[ 69.734152] platform 120000.hdmi: deferred probe pending <6>[ 69.877831] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 69.884654] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 69.877831] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 69.884654] 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>[ 70.757812] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 70.763687] lkdtm: Value in memory before free: 12345678 <6>[ 70.769275] lkdtm: Attempting bad read from freed memory <6>[ 70.774902] lkdtm: Memory was not poisoned # [ 70.757812] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.763687] lkdtm: Value in memory before free: 12345678 # [ 70.769275] lkdtm: Attempting bad read from freed memory # [ 70.774902] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 71.399506] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 71.405877] lkdtm: Value in memory before free: 12345678 <6>[ 71.411525] lkdtm: Attempting to read from freed memory <6>[ 71.417026] lkdtm: Buddy page was not poisoned # [ 71.399506] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.405877] lkdtm: Value in memory before free: 12345678 # [ 71.411525] lkdtm: Attempting to read from freed memory # [ 71.417026] 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>[ 71.826957] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 71.832959] lkdtm: Attempting double slab free ... # [ 71.826957] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.832959] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 72.243607] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 72.249427] lkdtm: Attempting cross-cache slab free ... # [ 72.243607] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.249427] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 72.655327] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 72.661151] lkdtm: Attempting non-Slab slab free ... # [ 72.655327] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.661151] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 73.995190] lkdtm: Performing direct entry EXEC_DATA <6>[ 74.000513] lkdtm: attempting ok execution at c0c59258 <6>[ 74.005929] lkdtm: attempting bad execution at c27069e4 <1>[ 74.011477] 8<--- cut here --- <1>[ 74.014809] Unable to handle kernel paging request at virtual address c27069e4 <1>[ 74.022308] pgd = 14619243 <1>[ 74.025284] [c27069e4] *pgd=1261141e(bad) <0>[ 74.029582] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 74.035078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 74.064412] CPU: 3 PID: 1717 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 74.072424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 74.079229] PC is at data_area+0x0/0x40 <4>[ 74.083343] LR is at execute_location+0xa4/0xb4 <4>[ 74.088144] pc : [] lr : [] psr: 600e0013 <4>[ 74.094680] sp : c6c13e38 ip : c6c13d40 fp : c6c13e54 <4>[ 74.100172] r10: 0000000a r9 : c1ad5e00 r8 : c15ebd54 <4>[ 74.105665] r7 : c6c13f60 r6 : 00000001 r5 : c27069e4 r4 : c0c59258 <4>[ 74.112459] r3 : 4c389921 r2 : 4c389921 r1 : ef7c05e0 r0 : 0000002b <4>[ 74.119256] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 74.126659] Control: 10c5387d Table: 1684804a DAC: 00000051 <0>[ 74.132675] Process cat (pid: 1717, stack limit = 0xf04f009c) <0>[ 74.138690] Stack: (0xc6c13e38 to 0xc6c14000) <0>[ 74.143320] 3e20: 0000001f c6b24000 <0>[ 74.151771] 3e40: 0000000a c6c13f60 c6c13e64 c6c13e58 c13cbb20 c13cb91c c6c13e74 c6c13e68 <0>[ 74.160222] 3e60: c0c584e8 c13cbb08 c6c13e9c c6c13e78 c0c589e8 c0c584c8 c0c588c8 c4232c80 <0>[ 74.168672] 3e80: b6e97000 0000000a c517a780 c6c13f60 c6c13ec4 c6c13ea0 c07e211c c0c588d4 <0>[ 74.177122] 3ea0: 00000000 c4232c80 b6e97000 c290d000 c6c13f60 c07e20b8 c6c13f5c c6c13ec8 <0>[ 74.185573] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6c12000 <0>[ 74.194023] 3ee0: b6e97000 00020000 00000004 0000000a 0001fff6 c6c13ee0 00000001 b6e96000 <0>[ 74.202474] 3f00: c5c2fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.210925] 3f20: 00000000 00000000 c13e0f18 4c389921 c206c0e0 c4232c80 c4232c80 c6c12000 <0>[ 74.219375] 3f40: b6e97000 00000000 00000000 00000004 c6c13f94 c6c13f60 c059c358 c059bcac <0>[ 74.227825] 3f60: 00000000 00000000 c6c13fac 4c389921 0000000a 0000000a b6fdee00 00000004 <0>[ 74.236275] 3f80: c03002e4 c6c12000 c6c13fa4 c6c13f98 c059c3e8 c059c2f0 00000000 c6c13fa8 <0>[ 74.244723] 3fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e97000 0000000a 00000000 <0>[ 74.253173] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4 <0>[ 74.261621] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000 <0>[ 74.270064] Backtrace: <0>[ 74.272798] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 74.281249] r7:c6c13f60 r6:0000000a r5:c6b24000 r4:0000001f <0>[ 74.287189] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.295554] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.303839] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.312032] r9:c6c13f60 r8:c517a780 r7:0000000a r6:b6e97000 r5:c4232c80 r4:c0c588c8 <0>[ 74.320059] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.328165] r9:c07e20b8 r8:c6c13f60 r7:c290d000 r6:b6e97000 r5:c4232c80 r4:00000000 <0>[ 74.336182] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.343591] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6c12000 r5:c4232c80 <0>[ 74.351688] r4:c4232c80 <0>[ 74.354497] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.361905] r9:c6c12000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000a r4:0000000a <0>[ 74.369926] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.377762] Exception stack(0xc6c13fa8 to 0xc6c13ff0) <0>[ 74.383087] 3fa0: 0000000a 0000000a 00000001 b6e97000 0000000a 00000000 <0>[ 74.391536] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4 <0>[ 74.399982] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6 <0>[ 74.405305] Code: 00000000 c2b1a9c0 c2b1aa80 c2b1ab40 (e1a0c00d) <4>[ 74.411675] ---[ end trace c25e2e226ccb7029 ]--- # Segmentation fault # [ 73.995190] lkdtm: Performing direct entry EXEC_DATA # [ 74.000513] lkdtm: attempting ok execution at c0c59258 # [ 74.005929] lkdtm: attempting bad execution at c27069e4 # [ 74.011477] 8<--- cut here --- # [ 74.014809] Unable to handle kernel paging request at virtual address c27069e4 # [ 74.022308] pgd = 14619243 # [ 74.025284] [c27069e4] *pgd=1261141e(bad) # [ 74.029582] Internal error: Oops: 8000000d [#3] SMP ARM # [ 74.035078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.064412] CPU: 3 PID: 1717 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 74.072424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.079229] PC is at data_area+0x0/0x40 # [ 74.083343] LR is at execute_location+0xa4/0xb4 # [ 74.088144] pc : [] lr : [] psr: 600e0013 # [ 74.094680] sp : c6c13e38 ip : c6c13d40 fp : c6c13e54 # [ 74.100172] r10: 0000000a r9 : c1ad5e00 r8 : c15ebd54 # [ 74.105665] r7 : c6c13f60 r6 : 00000001 r5 : c27069e4 r4 : c0c59258 # [ 74.112459] r3 : 4c389921 r2 : 4c389921 r1 : ef7c05e0 r0 : 0000002b # [ 74.119256] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.126659] Control: 10c5387d Table: 1684804a DAC: 00000051 # [ 74.132675] Process cat (pid: 1717, stack limit = 0xf04f009c) # [ 74.138690] Stack: (0xc6c13e38 to 0xc6c14000) # [ 74.143320] 3e20: 0000001f c6b24000 # [ 74.151771] 3e40: 0000000a c6c13f60 c6c13e64 c6c13e58 c13cbb20 c13cb91c c6c13e74 c6c13e68 # [ 74.160222] 3e60: c0c584e8 c13cbb08 c6c13e9c c6c13e78 c0c589e8 c0c584c8 c0c588c8 c4232c80 # [ 74.168672] 3e80: b6e97000 0000000a c517a780 c6c13f60 c6c13ec4 c6c13ea0 c07e211c c0c588d4 # [ 74.177122] 3ea0: 00000000 c4232c80 b6e97000 c290d000 c6c13f60 c07e20b8 c6c13f5c c6c13ec8 # [ 74.185573] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6c12000 # [ 74.194023] 3ee0: b6e97000 00020000 00000004 0000000a 0001fff6 c6c13ee0 00000001 b6e96000 # [ 74.202474] 3f00: c5c2fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.210925] 3f20: 00000000 00000000 c13e0f18 4c389921 c206c0e0 c4232c80 c4232c80 c6c12000 # [ 74.219375] 3f40: b6e97000 00000000 00000000 00000004 c6c13f94 c6c13f60 c059c358 c059bcac # [ 74.227825] 3f60: 00000000 00000000 c6c13fac 4c389921 0000000a 0000000a b6fdee00 00000004 # [ 74.236275] 3f80: c03002e4 c6c12000 c6c13fa4 c6c13f98 c059c3e8 c059c2f0 00000000 c6c13fa8 # [ 74.244723] 3fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e97000 0000000a 00000000 # [ 74.253173] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4 # [ 74.261621] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000 # [ 74.270064] Backtrace: # [ 74.272798] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 74.281249] r7:c6c13f60 r6:0000000a r5:c6b24000 r4:0000001f # [ 74.287189] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.295554] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.303839] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.312032] r9:c6c13f60 r8:c517a780 r7:0000000a r6:b6e97000 r5:c4232c80 r4:c0c588c8 # [ 74.320059] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.328165] r9:c07e20b8 r8:c6c13f60 r7:c290d000 r6:b6e97000 r5:c4232c80 r4:00000000 # [ 74.336182] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.343591] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6c12000 r5:c4232c80 # [ 74.351688] r4:c4232c80 # [ 74.354497] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.361905] r9:c6c12000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000a r4:0000000a # [ 74.369926] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.377762] Exception stack(0xc6c13fa8 to 0xc6c13ff0) # [ 74.383087] 3fa0: 0000000a 0000000a 00000001 b6e97000 0000000a 00000000 # [ 74.391536] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4 # [ 74.399982] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6 # [ 74.405305] Code: 00000000 c2b1<6>[ 74.954197] lkdtm: Performing direct entry EXEC_STACK a9c0 c2b1aa80 c2b1ab40 (e1a0c00d)<6>[ 74.961136] lkdtm: attempting ok execution at c0c59258 # [ 74.411675] ---[ end< 6t>[ 74.969335] lkdtm: attempting bad execution at c6a13e0c ace c25e2e226ccb7029 ]--- # EXEC<1>[ 74.977467] 8<--- cut here --- _DATA: missing 'ca [t r a c74.983603] Unable to handle kernel paging request at virtual address c6a13e0c :': [FAIL] not< 1o>k[ 3 07 4s.993256] pgd = 778b2330 lftests: lkdtm: EXEC_DATA.sh # ex<1>[ 74.998220] [c6a13e0c] *pgd=16a1141e(bad) it=1 # selftests: lkm[: E75.005357] Internal error: Oops: 8000000d [#4] SMP ARM XEC_STACK.sh <4>[ 75.013094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 75.043412] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 75.051424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.058226] PC is at 0xc6a13e0c <4>[ 75.061647] LR is at execute_location+0xa4/0xb4 <4>[ 75.066447] pc : [] lr : [] psr: 600e0013 <4>[ 75.072982] sp : c6a13de8 ip : c6a13cf0 fp : c6a13e04 <4>[ 75.078473] r10: 0000000b r9 : c1ad5e0c r8 : c15ebd54 <4>[ 75.083966] r7 : c6a13f60 r6 : 00000001 r5 : c6a13e0c r4 : c0c59258 <4>[ 75.090761] r3 : 98138de3 r2 : 98138de3 r1 : ef7ab5e0 r0 : 0000002b <4>[ 75.097559] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.104965] Control: 10c5387d Table: 16e8804a DAC: 00000051 <0>[ 75.110981] Process cat (pid: 1794, stack limit = 0xbdf514ef) <0>[ 75.116997] Stack: (0xc6a13de8 to 0xc6a14000) <0>[ 75.121629] 3de0: c6a12000 c5ed6000 0000000b c6a13f60 c6a13e64 c6a13e08 <0>[ 75.130080] 3e00: c13cbb5c c13cb91c c6a13e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 75.138532] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8 <0>[ 75.146981] 3e40: e3a02040 e3a01d33 e5930018 98138de3 0000000b 00000020 c6a13e74 c6a13e68 <0>[ 75.155430] 3e60: c0c584e8 c13cbb30 c6a13e9c c6a13e78 c0c589e8 c0c584c8 c0c588c8 c68d6280 <0>[ 75.163880] 3e80: b6e66000 0000000b c517a780 c6a13f60 c6a13ec4 c6a13ea0 c07e211c c0c588d4 <0>[ 75.172330] 3ea0: 00000000 c68d6280 b6e66000 c290d000 c6a13f60 c07e20b8 c6a13f5c c6a13ec8 <0>[ 75.180781] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a12000 <0>[ 75.189231] 3ee0: b6e66000 00020000 00000004 0000000b 0001fff5 c6a13ee0 00000001 b6e65000 <0>[ 75.197681] 3f00: c4101cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.206132] 3f20: 00000000 00000000 c13e0f18 98138de3 c206c0e0 c68d6280 c68d6280 c6a12000 <0>[ 75.214581] 3f40: b6e66000 00000000 00000000 00000004 c6a13f94 c6a13f60 c059c358 c059bcac <0>[ 75.223029] 3f60: 00000000 00000000 c6a13fac 98138de3 0000000b 0000000b b6fade00 00000004 <0>[ 75.231480] 3f80: c03002e4 c6a12000 c6a13fa4 c6a13f98 c059c3e8 c059c2f0 00000000 c6a13fa8 <0>[ 75.239931] 3fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e66000 0000000b 00000000 <0>[ 75.248381] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4 <0>[ 75.256829] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6 800e0030 00000001 00000000 00000000 <0>[ 75.265272] Backtrace: <0>[ 75.268006] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 75.276544] r7:c6a13f60 r6:0000000b r5:c5ed6000 r4:c6a12000 <0>[ 75.282483] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.290930] r4:00000020 <0>[ 75.293738] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.302025] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.310214] r9:c6a13f60 r8:c517a780 r7:0000000b r6:b6e66000 r5:c68d6280 r4:c0c588c8 <0>[ 75.318238] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.326341] r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e66000 r5:c68d6280 r4:00000000 <0>[ 75.334359] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.341767] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c6a12000 r5:c68d6280 <0>[ 75.349863] r4:c68d6280 <0>[ 75.352673] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.360081] r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000b r4:0000000b <0>[ 75.368102] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.375939] Exception stack(0xc6a13fa8 to 0xc6a13ff0) <0>[ 75.381262] 3fa0: 0000000b 0000000b 00000001 b6e66000 0000000b 00000000 <0>[ 75.389712] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4 <0>[ 75.398157] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6 <0>[ 75.403482] Code: c6a13e08 c13cbb5c c13cb91c c6a13e6c (e1a0c00d) <4>[ 75.409851] ---[ end trace c25e2e226ccb702a ]--- # Segmentation fault # [ 74.954197] lkdtm: Performing direct entry EXEC_STACK # [ 74.961136] lkdtm: attempting ok execution at c0c59258 # [ 74.969335] lkdtm: attempting bad execution at c6a13e0c # [ 74.977467] 8<--- cut here --- # [ 74.983603] Unable to handle kernel paging request at virtual address c6a13e0c # [ 74.993256] pgd = 778b2330 # [ 74.998220] [c6a13e0c] *pgd=16a1141e(bad) # [ 75.005357] Internal error: Oops: 8000000d [#4] SMP ARM # [ 75.013094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.043412] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 75.051424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.058226] PC is at 0xc6a13e0c # [ 75.061647] LR is at execute_location+0xa4/0xb4 # [ 75.066447] pc : [] lr : [] psr: 600e0013 # [ 75.072982] sp : c6a13de8 ip : c6a13cf0 fp : c6a13e04 # [ 75.078473] r10: 0000000b r9 : c1ad5e0c r8 : c15ebd54 # [ 75.083966] r7 : c6a13f60 r6 : 00000001 r5 : c6a13e0c r4 : c0c59258 # [ 75.090761] r3 : 98138de3 r2 : 98138de3 r1 : ef7ab5e0 r0 : 0000002b # [ 75.097559] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.104965] Control: 10c5387d Table: 16e8804a DAC: 00000051 # [ 75.110981] Process cat (pid: 1794, stack limit = 0xbdf514ef) # [ 75.116997] Stack: (0xc6a13de8 to 0xc6a14000) # [ 75.121629] 3de0: c6a12000 c5ed6000 0000000b c6a13f60 c6a13e64 c6a13e08 # [ 75.130080] 3e00: c13cbb5c c13cb91c c6a13e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 75.138532] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8 # [ 75.146981] 3e40: e3a02040 e3a01d33 e5930018 98138de3 0000000b 00000020 c6a13e74 c6a13e68 # [ 75.155430] 3e60: c0c584e8 c13cbb30 c6a13e9c c6a13e78 c0c589e8 c0c584c8 c0c588c8 c68d6280 # [ 75.163880] 3e80: b6e66000 0000000b c517a780 c6a13f60 c6a13ec4 c6a13ea0 c07e211c c0c588d4 # [ 75.172330] 3ea0: 00000000 c68d6280 b6e66000 c290d000 c6a13f60 c07e20b8 c6a13f5c c6a13ec8 # [ 75.180781] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a12000 # [ 75.189231] 3ee0: b6e66000 00020000 00000004 0000000b 0001fff5 c6a13ee0 00000001 b6e65000 # [ 75.197681] 3f00: c4101cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.206132] 3f20: 00000000 00000000 c13e0f18 98138de3 c206c0e0 c68d6280 c68d6280 c6a12000 # [ 75.214581] 3f40: b6e66000 00000000 00000000 00000004 c6a13f94 c6a13f60 c059c358 c059bcac # [ 75.223029] 3f60: 00000000 00000000 c6a13fac 98138de3 0000000b 0000000b b6fade00 00000004 # [ 75.231480] 3f80: c03002e4 c6a12000 c6a13fa4 c6a13f98 c059c3e8 c059c2f0 00000000 c6a13fa8 # [ 75.239931] 3fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e66000 0000000b 00000000 # [ 75.248381] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4 # [ 75.256829] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6 800e0030 00000001 00000000 00000000 # [ 75.265272] Backtrace: # [ 75.268006] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 75.276544] r7:c6a13f60 r6:0000000b r5:c5ed6000 r4:c6a12000 # [ 75.282483] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.290930] r4:00000020 # [ 75.293738] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.302025] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.310214] r9:c6a13f60 r8:c517a780 r7:0000000b r6:b6e66000 r5:c68d6280 r4:c0c588c8 # [ 75.318238] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.326341] r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e66000 r5:c68d6280 r4:00000000 # [ 75.334359] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.341767] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c6a12000 r5:c68d6280 # [ 75.349863] r4:c68d6280 # [ 75.352673] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.360081] r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000b r4:0000000b # [ 75.368102] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.375939] Exception stack(0xc6a13fa8 to 0xc6a13ff0) # [ 75.381262] 3fa0: 0000000b 0000000b 00000001 b6e66000 0000000b 00000000 # [ 75.389712] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4 # [ 75.398157] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6 # [ 75.403482] Code: c6a13e08 c13cbb5c c13cb91c<6>[ 75.972285] lkdtm: Performing direct entry EXEC_KMALLOC c6a13e6c (e1a0c00d) # [ 7<56>[ 75.978948] lkdtm: attempting ok execution at c0c59258 409851] ---[ end trace c25e2e226c<6>[ 75.987123] lkdtm: attempting bad execution at c6b24b00 cb702a ]--- # EXEC_STACK: missin<1>[ 75.995446] 8<--- cut here --- g 'call trace:':< 1[>F[A I L ]7 6.001562] Unable to handle kernel paging request at virtual address c6b24b00 not ok 31 selftet[s : l7k6d011126] pgd = 06762178 tm: EXEC_STACK.sh # exit=1 # sel<1>[ 76.016089] [c6b24b00] *pgd=16a1141e(bad) ftests: lkdtm: EXEC_A[L L O6.023224] Internal error: Oops: 8000000d [#5] SMP ARM C.sh <4>[ 76.030876] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 76.060496] CPU: 3 PID: 1874 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 76.068508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 76.075308] PC is at 0xc6b24b00 <4>[ 76.078727] LR is at execute_location+0xa4/0xb4 <4>[ 76.083529] pc : [] lr : [] psr: 600e0013 <4>[ 76.090065] sp : c6945e30 ip : c6945d38 fp : c6945e4c <4>[ 76.095557] r10: 0000000d r9 : c1ad5e18 r8 : c15ebd54 <4>[ 76.101051] r7 : c6945f60 r6 : 00000001 r5 : c6b24b00 r4 : c0c59258 <4>[ 76.107846] r3 : ea37dbfb r2 : ea37dbfb r1 : ef7c05e0 r0 : 0000002b <4>[ 76.114644] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 76.122047] Control: 10c5387d Table: 1459804a DAC: 00000051 <0>[ 76.128063] Process cat (pid: 1874, stack limit = 0x8eb789ee) <0>[ 76.134079] Stack: (0xc6945e30 to 0xc6946000) <0>[ 76.138710] 5e20: c6b24b00 c6a7b000 0000000d c6945f60 <0>[ 76.147160] 5e40: c6945e64 c6945e50 c0c592a8 c13cb91c 00000021 c6a7b000 c6945e74 c6945e68 <0>[ 76.155610] 5e60: c0c584e8 c0c5927c c6945e9c c6945e78 c0c589e8 c0c584c8 c0c588c8 c412c780 <0>[ 76.164060] 5e80: b6e78000 0000000d c517a780 c6945f60 c6945ec4 c6945ea0 c07e211c c0c588d4 <0>[ 76.172510] 5ea0: 00000000 c412c780 b6e78000 c290d000 c6945f60 c07e20b8 c6945f5c c6945ec8 <0>[ 76.180960] 5ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6944000 <0>[ 76.189410] 5ee0: b6e78000 00020000 00000004 0000000d 0001fff3 c6945ee0 00000001 b6e77000 <0>[ 76.197858] 5f00: c68d7540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.206309] 5f20: 00000000 00000000 c13e0f18 ea37dbfb c206c0e0 c412c780 c412c780 c6944000 <0>[ 76.214758] 5f40: b6e78000 00000000 00000000 00000004 c6945f94 c6945f60 c059c358 c059bcac <0>[ 76.223209] 5f60: 00000000 00000000 c6945fac ea37dbfb 0000000d 0000000d b6fbfe00 00000004 <0>[ 76.231658] 5f80: c03002e4 c6944000 c6945fa4 c6945f98 c059c3e8 c059c2f0 00000000 c6945fa8 <0>[ 76.240107] 5fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e78000 0000000d 00000000 <0>[ 76.248556] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4 <0>[ 76.257005] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6 800e0030 00000001 00000000 00000000 <0>[ 76.265447] Backtrace: <0>[ 76.268188] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 76.276899] r7:c6945f60 r6:0000000d r5:c6a7b000 r4:c6b24b00 <0>[ 76.282835] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.291456] r5:c6a7b000 r4:00000021 <0>[ 76.295306] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.303591] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.311781] r9:c6945f60 r8:c517a780 r7:0000000d r6:b6e78000 r5:c412c780 r4:c0c588c8 <0>[ 76.319807] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.327910] r9:c07e20b8 r8:c6945f60 r7:c290d000 r6:b6e78000 r5:c412c780 r4:00000000 <0>[ 76.335927] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.343336] r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c6944000 r5:c412c780 <0>[ 76.351433] r4:c412c780 <0>[ 76.354242] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.361649] r9:c6944000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:0000000d r4:0000000d <0>[ 76.369670] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.377509] Exception stack(0xc6945fa8 to 0xc6945ff0) <0>[ 76.382832] 5fa0: 0000000d 0000000d 00000001 b6e78000 0000000d 00000000 <0>[ 76.391283] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4 <0>[ 76.399731] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6 <0>[ 76.405056] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) <4>[ 76.411424] ---[ end trace c25e2e226ccb702b ]--- # Segmentation fault # [ 75.972285] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.978948] lkdtm: attempting ok execution at c0c59258 # [ 75.987123] lkdtm: attempting bad execution at c6b24b00 # [ 75.995446] 8<--- cut here --- # [ 76.001562] Unable to handle kernel paging request at virtual address c6b24b00 # [ 76.011126] pgd = 06762178 # [ 76.016089] [c6b24b00] *pgd=16a1141e(bad) # [ 76.023224] Internal error: Oops: 8000000d [#5] SMP ARM # [ 76.030876] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.060496] CPU: 3 PID: 1874 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 76.068508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.075308] PC is at 0xc6b24b00 # [ 76.078727] LR is at execute_location+0xa4/0xb4 # [ 76.083529] pc : [] lr : [] psr: 600e0013 # [ 76.090065] sp : c6945e30 ip : c6945d38 fp : c6945e4c # [ 76.095557] r10: 0000000d r9 : c1ad5e18 r8 : c15ebd54 # [ 76.101051] r7 : c6945f60 r6 : 00000001 r5 : c6b24b00 r4 : c0c59258 # [ 76.107846] r3 : ea37dbfb r2 : ea37dbfb r1 : ef7c05e0 r0 : 0000002b # [ 76.114644] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.122047] Control: 10c5387d Table: 1459804a DAC: 00000051 # [ 76.128063] Process cat (pid: 1874, stack limit = 0x8eb789ee) # [ 76.134079] Stack: (0xc6945e30 to 0xc6946000) # [ 76.138710] 5e20: c6b24b00 c6a7b000 0000000d c6945f60 # [ 76.147160] 5e40: c6945e64 c6945e50 c0c592a8 c13cb91c 00000021 c6a7b000 c6945e74 c6945e68 # [ 76.155610] 5e60: c0c584e8 c0c5927c c6945e9c c6945e78 c0c589e8 c0c584c8 c0c588c8 c412c780 # [ 76.164060] 5e80: b6e78000 0000000d c517a780 c6945f60 c6945ec4 c6945ea0 c07e211c c0c588d4 # [ 76.172510] 5ea0: 00000000 c412c780 b6e78000 c290d000 c6945f60 c07e20b8 c6945f5c c6945ec8 # [ 76.180960] 5ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6944000 # [ 76.189410] 5ee0: b6e78000 00020000 00000004 0000000d 0001fff3 c6945ee0 00000001 b6e77000 # [ 76.197858] 5f00: c68d7540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.206309] 5f20: 00000000 00000000 c13e0f18 ea37dbfb c206c0e0 c412c780 c412c780 c6944000 # [ 76.214758] 5f40: b6e78000 00000000 00000000 00000004 c6945f94 c6945f60 c059c358 c059bcac # [ 76.223209] 5f60: 00000000 00000000 c6945fac ea37dbfb 0000000d 0000000d b6fbfe00 00000004 # [ 76.231658] 5f80: c03002e4 c6944000 c6945fa4 c6945f98 c059c3e8 c059c2f0 00000000 c6945fa8 # [ 76.240107] 5fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e78000 0000000d 00000000 # [ 76.248556] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4 # [ 76.257005] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6 800e0030 00000001 00000000 00000000 # [ 76.265447] Backtrace: # [ 76.268188] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 76.276899] r7:c6945f60 r6:0000000d r5:c6a7b000 r4:c6b24b00 # [ 76.282835] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.291456] r5:c6a7b000 r4:00000021 # [ 76.295306] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.303591] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.311781] r9:c6945f60 r8:c517a780 r7:0000000d r6:b6e78000 r5:c412c780 r4:c0c588c8 # [ 76.319807] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.327910] r9:c07e20b8 r8:c6945f60 r7:c290d000 r6:b6e78000 r5:c412c780 r4:00000000 # [ 76.335927] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.343336] r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c6944000 r5:c412c780 # [ 76.351433] r4:c412c780 # [ 76.354242] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.361649] r9:c6944000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:0000000d r4:0000000d # [ 76.369670] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.377509] Exception stack(0xc6945fa8 to 0xc6945ff0) # [ 76.382832] 5fa0: 0000000d 0000000d 00000001 b6e78000 0000000d 00000000 # [ 76.391283] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4 # [ 76.399731] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6 # [ 76.405056] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) # [ 76.411424] ---[ end trace c25e2e226ccb702b ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 76.952093] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 76.958975] lkdtm: attempting ok execution at c0c59258 <6>[ 76.964613] lkdtm: attempting bad execution at f096e000 <1>[ 76.970232] 8<--- cut here --- <1>[ 76.973589] Unable to handle kernel paging request at virtual address f096e000 <1>[ 76.981178] pgd = 2bf5dfaf <1>[ 76.984224] [f096e000] *pgd=12958811, *pte=4908a65f, *ppte=4908a45f <0>[ 76.990988] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 76.996513] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.026042] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 77.034069] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.040889] PC is at 0xf096e000 <4>[ 77.044332] LR is at execute_location+0xa4/0xb4 <4>[ 77.049151] pc : [] lr : [] psr: 600e0013 <4>[ 77.055701] sp : c6d11e30 ip : c6d11d38 fp : c6d11e4c <4>[ 77.061207] r10: 0000000d r9 : c1ad5e28 r8 : c15ebd54 <4>[ 77.066715] r7 : c6d11f60 r6 : 00000001 r5 : f096e000 r4 : c0c59258 <4>[ 77.073525] r3 : 5c4c61f8 r2 : 5c4c61f8 r1 : ef7c05e0 r0 : 0000002b <4>[ 77.080339] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.087758] Control: 10c5387d Table: 1697004a DAC: 00000051 <0>[ 77.093791] Process cat (pid: 1952, stack limit = 0x45a4ffb5) <0>[ 77.099823] Stack: (0xc6d11e30 to 0xc6d12000) <0>[ 77.104474] 1e20: f096e000 c6b23000 0000000d c6d11f60 <0>[ 77.112945] 1e40: c6d11e64 c6d11e50 c0c592dc c13cb91c 00000022 c6b23000 c6d11e74 c6d11e68 <0>[ 77.121414] 1e60: c0c584e8 c0c592c0 c6d11e9c c6d11e78 c0c589e8 c0c584c8 c0c588c8 c68d68c0 <0>[ 77.129883] 1e80: b6e60000 0000000d c517a780 c6d11f60 c6d11ec4 c6d11ea0 c07e211c c0c588d4 <0>[ 77.138353] 1ea0: 00000000 c68d68c0 b6e60000 c290d000 c6d11f60 c07e20b8 c6d11f5c c6d11ec8 <0>[ 77.146823] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6d10000 <0>[ 77.155291] 1ee0: b6e60000 00020000 00000004 0000000d 0001fff3 c6d11ee0 00000001 b6e5f000 <0>[ 77.163758] 1f00: c414ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.172227] 1f20: 00000000 00000000 c13e0f18 5c4c61f8 c206c0e0 c68d68c0 c68d68c0 c6d10000 <0>[ 77.180697] 1f40: b6e60000 00000000 00000000 00000004 c6d11f94 c6d11f60 c059c358 c059bcac <0>[ 77.189165] 1f60: 00000000 00000000 c6d11fac 5c4c61f8 0000000d 0000000d b6fa7e00 00000004 <0>[ 77.197634] 1f80: c03002e4 c6d10000 c6d11fa4 c6d11f98 c059c3e8 c059c2f0 00000000 c6d11fa8 <0>[ 77.206101] 1fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e60000 0000000d 00000000 <0>[ 77.214571] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4 <0>[ 77.223040] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000 <0>[ 77.231495] Backtrace: <0>[ 77.234265] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 77.242999] r7:c6d11f60 r6:0000000d r5:c6b23000 r4:f096e000 <0>[ 77.248958] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.257597] r5:c6b23000 r4:00000022 <0>[ 77.261469] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.269782] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.277994] r9:c6d11f60 r8:c517a780 r7:0000000d r6:b6e60000 r5:c68d68c0 r4:c0c588c8 <0>[ 77.286044] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.294169] r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6e60000 r5:c68d68c0 r4:00000000 <0>[ 77.302206] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.309634] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6d10000 r5:c68d68c0 <0>[ 77.317744] r4:c68d68c0 <0>[ 77.320572] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.328002] r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000d r4:0000000d <0>[ 77.336041] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.343893] Exception stack(0xc6d11fa8 to 0xc6d11ff0) <0>[ 77.349236] 1fa0: 0000000d 0000000d 00000001 b6e60000 0000000d 00000000 <0>[ 77.357705] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4 <0>[ 77.366167] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6 <0>[ 77.371512] Code: bad PC value <4>[ 77.374964] ---[ end trace c25e2e226ccb702c ]--- # Segmentation fault # [ 76.952093] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.958975] lkdtm: attempting ok execution at c0c59258 # [ 76.964613] lkdtm: attempting bad execution at f096e000 # [ 76.970232] 8<--- cut here --- # [ 76.973589] Unable to handle kernel paging request at virtual address f096e000 # [ 76.981178] pgd = 2bf5dfaf # [ 76.984224] [f096e000] *pgd=12958811, *pte=4908a65f, *ppte=4908a45f # [ 76.990988] Internal error: Oops: 8000000f [#6] SMP ARM # [ 76.996513] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.026042] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 77.034069] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.040889] PC is at 0xf096e000 # [ 77.044332] LR is at execute_location+0xa4/0xb4 # [ 77.049151] pc : [] lr : [] psr: 600e0013 # [ 77.055701] sp : c6d11e30 ip : c6d11d38 fp : c6d11e4c # [ 77.061207] r10: 0000000d r9 : c1ad5e28 r8 : c15ebd54 # [ 77.066715] r7 : c6d11f60 r6 : 00000001 r5 : f096e000 r4 : c0c59258 # [ 77.073525] r3 : 5c4c61f8 r2 : 5c4c61f8 r1 : ef7c05e0 r0 : 0000002b # [ 77.080339] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.087758] Control: 10c5387d Table: 1697004a DAC: 00000051 # [ 77.093791] Process cat (pid: 1952, stack limit = 0x45a4ffb5) # [ 77.099823] Stack: (0xc6d11e30 to 0xc6d12000) # [ 77.104474] 1e20: f096e000 c6b23000 0000000d c6d11f60 # [ 77.112945] 1e40: c6d11e64 c6d11e50 c0c592dc c13cb91c 00000022 c6b23000 c6d11e74 c6d11e68 # [ 77.121414] 1e60: c0c584e8 c0c592c0 c6d11e9c c6d11e78 c0c589e8 c0c584c8 c0c588c8 c68d68c0 # [ 77.129883] 1e80: b6e60000 0000000d c517a780 c6d11f60 c6d11ec4 c6d11ea0 c07e211c c0c588d4 # [ 77.138353] 1ea0: 00000000 c68d68c0 b6e60000 c290d000 c6d11f60 c07e20b8 c6d11f5c c6d11ec8 # [ 77.146823] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6d10000 # [ 77.155291] 1ee0: b6e60000 00020000 00000004 0000000d 0001fff3 c6d11ee0 00000001 b6e5f000 # [ 77.163758] 1f00: c414ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.172227] 1f20: 00000000 00000000 c13e0f18 5c4c61f8 c206c0e0 c68d68c0 c68d68c0 c6d10000 # [ 77.180697] 1f40: b6e60000 00000000 00000000 00000004 c6d11f94 c6d11f60 c059c358 c059bcac # [ 77.189165] 1f60: 00000000 00000000 c6d11fac 5c4c61f8 0000000d 0000000d b6fa7e00 00000004 # [ 77.197634] 1f80: c03002e4 c6d10000 c6d11fa4 c6d11f98 c059c3e8 c059c2f0 00000000 c6d11fa8 # [ 77.206101] 1fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e60000 0000000d 00000000 # [ 77.214571] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4 # [ 77.223040] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000 # [ 77.231495] Backtrace: # [ 77.234265] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 77.242999] r7:c6d11f60 r6:0000000d r5:c6b23000 r4:f096e000 # [ 77.248958] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.257597] r5:c6b23000 r4:00000022 # [ 77.261469] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.269782] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.277994] r9:c6d11f60 r8:c517a780 r7:0000000d r6:b6e60000 r5:c68d68c0 r4:c0c588c8 # [ 77.286044] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.294169] r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6e60000 r5:c68d68c0 r4:00000000 # [ 77.302206] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.309634] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6d10000 r5:c68d68c0 # [ 77.317744] r4:c68d68c0 # [ 77.320572] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.328002] r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000d r4:0000000d # [ 77.336041] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.343893] Exception stack(0xc6d11fa8 to 0xc6d11ff0) # [ 77.349236] 1fa0: 0000000d 0000000d 00000001 b6e60000 0000000d 00000000 # [ 77.357705] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4 # [ 77.366167] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6 # [ 77.3715<6>[ 77.891936] lkdtm: Performing direct entry EXEC_RODATA 12] Code: bad PC value # [< 6 > 77.899094] lkdtm: attempting ok execution at c0c59258 77.374964] ---[ end trace c25e2e2<6>[ 77.907063] lkdtm: attempting bad execution at c15ebff0 26ccb702c ]--- # EXEC_VMALLOC: m<1>[ 77.915398] 8<--- cut here --- issing 'call trace:':< 1[>F[A I L77.921538] Unable to handle kernel paging request at virtual address c15ebff0 ] not ok 33 selftt[s : l77.931275] pgd = 2bf5dfaf dtm: EXEC_VMALLOC.sh # exit=1 # <1>[ 77.936410] [c15ebff0] *pgd=1141941e(bad) selftests: lkdtm: EXEC_RA[T 77.943547] Internal error: Oops: 8000000d [#7] SMP ARM .sh <4>[ 77.951458] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.980991] CPU: 3 PID: 2030 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 77.989002] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.995810] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 78.001139] LR is at execute_location+0xa4/0xb4 <4>[ 78.005939] pc : [] lr : [] psr: 600e0013 <4>[ 78.012474] sp : c6a9be38 ip : c6a9bd40 fp : c6a9be54 <4>[ 78.017968] r10: 0000000c r9 : c1ad5e38 r8 : c15ebd54 <4>[ 78.023461] r7 : c6a9bf60 r6 : 00000000 r5 : c15ebff0 r4 : c0c59258 <4>[ 78.030256] r3 : f508ce90 r2 : f508ce90 r1 : ef7c05e0 r0 : 0000002b <4>[ 78.037054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.044458] Control: 10c5387d Table: 1697004a DAC: 00000051 <0>[ 78.050472] Process cat (pid: 2030, stack limit = 0x56905ca8) <0>[ 78.056486] Stack: (0xc6a9be38 to 0xc6a9c000) <0>[ 78.061116] be20: 00000023 c6b23000 <0>[ 78.069568] be40: 0000000c c6a9bf60 c6a9be64 c6a9be58 c13cbb9c c13cb91c c6a9be74 c6a9be68 <0>[ 78.078020] be60: c0c584e8 c13cbb84 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c412c000 <0>[ 78.086469] be80: b6de0000 0000000c c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4 <0>[ 78.094920] bea0: 00000000 c412c000 b6de0000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8 <0>[ 78.103371] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c5c42424 c059c358 c6a9a000 <0>[ 78.111820] bee0: b6de0000 00020000 00000004 0000000c 0001fff4 c6a9bee0 00000001 00000805 <0>[ 78.120268] bf00: c4101a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.128719] bf20: 00000000 00000000 c6a9a000 f508ce90 b6ddf000 c412c000 c412c000 c6a9a000 <0>[ 78.137168] bf40: b6de0000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac <0>[ 78.145619] bf60: 00000000 00000000 c6a9bfac f508ce90 0000000c 0000000c b6f27e00 00000004 <0>[ 78.154068] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8 <0>[ 78.162518] bfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6de0000 0000000c 00000000 <0>[ 78.170969] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4 <0>[ 78.179417] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6 800e0030 00000001 00000000 00000000 <0>[ 78.187859] Backtrace: <0>[ 78.190591] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 78.199217] r7:c6a9bf60 r6:0000000c r5:c6b23000 r4:00000023 <0>[ 78.205157] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.213697] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.221985] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.230178] r9:c6a9bf60 r8:c517a780 r7:0000000c r6:b6de0000 r5:c412c000 r4:c0c588c8 <0>[ 78.238203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.246306] r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6de0000 r5:c412c000 r4:00000000 <0>[ 78.254324] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.261732] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6a9a000 r5:c412c000 <0>[ 78.269829] r4:c412c000 <0>[ 78.272637] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.280046] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000c r4:0000000c <0>[ 78.288067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.295903] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) <0>[ 78.301226] bfa0: 0000000c 0000000c 00000001 b6de0000 0000000c 00000000 <0>[ 78.309675] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4 <0>[ 78.318121] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6 <0>[ 78.323449] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 78.329818] ---[ end trace c25e2e226ccb702d ]--- # Segmentation fault # [ 77.891936] lkdtm: Performing direct entry EXEC_RODATA # [ 77.899094] lkdtm: attempting ok execution at c0c59258 # [ 77.907063] lkdtm: attempting bad execution at c15ebff0 # [ 77.915398] 8<--- cut here --- # [ 77.921538] Unable to handle kernel paging request at virtual address c15ebff0 # [ 77.931275] pgd = 2bf5dfaf # [ 77.936410] [c15ebff0] *pgd=1141941e(bad) # [ 77.943547] Internal error: Oops: 8000000d [#7] SMP ARM # [ 77.951458] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.980991] CPU: 3 PID: 2030 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 77.989002] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.995810] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.001139] LR is at execute_location+0xa4/0xb4 # [ 78.005939] pc : [] lr : [] psr: 600e0013 # [ 78.012474] sp : c6a9be38 ip : c6a9bd40 fp : c6a9be54 # [ 78.017968] r10: 0000000c r9 : c1ad5e38 r8 : c15ebd54 # [ 78.023461] r7 : c6a9bf60 r6 : 00000000 r5 : c15ebff0 r4 : c0c59258 # [ 78.030256] r3 : f508ce90 r2 : f508ce90 r1 : ef7c05e0 r0 : 0000002b # [ 78.037054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.044458] Control: 10c5387d Table: 1697004a DAC: 00000051 # [ 78.050472] Process cat (pid: 2030, stack limit = 0x56905ca8) # [ 78.056486] Stack: (0xc6a9be38 to 0xc6a9c000) # [ 78.061116] be20: 00000023 c6b23000 # [ 78.069568] be40: 0000000c c6a9bf60 c6a9be64 c6a9be58 c13cbb9c c13cb91c c6a9be74 c6a9be68 # [ 78.078020] be60: c0c584e8 c13cbb84 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c412c000 # [ 78.086469] be80: b6de0000 0000000c c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4 # [ 78.094920] bea0: 00000000 c412c000 b6de0000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8 # [ 78.103371] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c5c42424 c059c358 c6a9a000 # [ 78.111820] bee0: b6de0000 00020000 00000004 0000000c 0001fff4 c6a9bee0 00000001 00000805 # [ 78.120268] bf00: c4101a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.128719] bf20: 00000000 00000000 c6a9a000 f508ce90 b6ddf000 c412c000 c412c000 c6a9a000 # [ 78.137168] bf40: b6de0000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac # [ 78.145619] bf60: 00000000 00000000 c6a9bfac f508ce90 0000000c 0000000c b6f27e00 00000004 # [ 78.154068] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8 # [ 78.162518] bfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6de0000 0000000c 00000000 # [ 78.170969] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4 # [ 78.179417] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6 800e0030 00000001 00000000 00000000 # [ 78.187859] Backtrace: # [ 78.190591] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 78.199217] r7:c6a9bf60 r6:0000000c r5:c6b23000 r4:00000023 # [ 78.205157] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.213697] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.221985] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.230178] r9:c6a9bf60 r8:c517a780 r7:0000000c r6:b6de0000 r5:c412c000 r4:c0c588c8 # [ 78.238203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.246306] r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6de0000 r5:c412c000 r4:00000000 # [ 78.254324] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.261732] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6a9a000 r5:c412c000 # [ 78.269829] r4:c412c000 # [ 78.272637] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.280046] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000c r4:0000000c # [ 78.288067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.295903] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) # [ 78.301226] bfa0: 0000000c 0000000c 00000001 b6de0000 0000000c 00000000 # [ 78.309675] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4 # [ 78.318121] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6 # [ 78.323449] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 78.329818] ---[ end trace c25e2e226ccb702d ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 78.904744] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 78.910494] lkdtm: attempting ok execution at c0c59258 <6>[ 78.915964] lkdtm: attempting bad execution at b6f23000 <1>[ 78.921519] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f23000 <0>[ 78.928936] Internal error: : b [#8] SMP ARM <4>[ 78.933485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 78.962808] CPU: 2 PID: 2107 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 78.970819] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.977621] PC is at 0xb6f23000 <4>[ 78.981042] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 78.986189] pc : [] lr : [] psr: 600e0013 <4>[ 78.992726] sp : c4119e48 ip : c4119d50 fp : c4119e64 <4>[ 78.998220] r10: 0000000f r9 : c1ad5e44 r8 : c15ebd54 <4>[ 79.003713] r7 : c4119f60 r6 : 0000000f r5 : c6a83000 r4 : b6f23000 <4>[ 79.010509] r3 : cbcceb3c r2 : cbcceb3c r1 : ef7ab5e0 r0 : 0000002b <4>[ 79.017306] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.024712] Control: 10c5387d Table: 16e4804a DAC: 00000051 <0>[ 79.030729] Process cat (pid: 2107, stack limit = 0x02b6f769) <0>[ 79.036745] Stack: (0xc4119e48 to 0xc411a000) <0>[ 79.041377] 9e40: 00000001 00000000 0000000f 00000024 c4119e74 c4119e68 <0>[ 79.049828] 9e60: c0c584e8 c0c592f4 c4119e9c c4119e78 c0c589e8 c0c584c8 c0c588c8 c4232500 <0>[ 79.058278] 9e80: b6ddd000 0000000f c517a780 c4119f60 c4119ec4 c4119ea0 c07e211c c0c588d4 <0>[ 79.066728] 9ea0: 00000000 c4232500 b6ddd000 c290d000 c4119f60 c07e20b8 c4119f5c c4119ec8 <0>[ 79.075177] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4118000 <0>[ 79.083629] 9ee0: b6ddd000 00020000 00000004 0000000f 0001fff1 c4119ee0 00000001 b6ddc000 <0>[ 79.092078] 9f00: c68c7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.100526] 9f20: 00000000 00000000 c13e0f18 cbcceb3c c206c0e0 c4232500 c4232500 c4118000 <0>[ 79.108974] 9f40: b6ddd000 00000000 00000000 00000004 c4119f94 c4119f60 c059c358 c059bcac <0>[ 79.117424] 9f60: 00000000 00000000 c4119fac cbcceb3c 0000000f 0000000f b6f24e00 00000004 <0>[ 79.125873] 9f80: c03002e4 c4118000 c4119fa4 c4119f98 c059c3e8 c059c2f0 00000000 c4119fa8 <0>[ 79.134323] 9fa0: c03000c0 c059c3dc 0000000f 0000000f 00000001 b6ddd000 0000000f 00000000 <0>[ 79.142771] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4 <0>[ 79.151220] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000 <0>[ 79.159662] Backtrace: <0>[ 79.162393] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.171187] r4:00000024 <0>[ 79.173998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.182283] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.190474] r9:c4119f60 r8:c517a780 r7:0000000f r6:b6ddd000 r5:c4232500 r4:c0c588c8 <0>[ 79.198497] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.206603] r9:c07e20b8 r8:c4119f60 r7:c290d000 r6:b6ddd000 r5:c4232500 r4:00000000 <0>[ 79.214620] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.222029] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c4118000 r5:c4232500 <0>[ 79.230126] r4:c4232500 <0>[ 79.232936] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.240344] r9:c4118000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000f r4:0000000f <0>[ 79.248365] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.256202] Exception stack(0xc4119fa8 to 0xc4119ff0) <0>[ 79.261527] 9fa0: 0000000f 0000000f 00000001 b6ddd000 0000000f 00000000 <0>[ 79.269978] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4 <0>[ 79.278427] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6 <0>[ 79.283755] Code: bad PC value <4>[ 79.287087] ---[ end trace c25e2e226ccb702e ]--- # Segmentation fault # [ 78.904744] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.910494] lkdtm: attempting ok execution at c0c59258 # [ 78.915964] lkdtm: attempting bad execution at b6f23000 # [ 78.921519] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f23000 # [ 78.928936] Internal error: : b [#8] SMP ARM # [ 78.933485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.962808] CPU: 2 PID: 2107 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 78.970819] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.977621] PC is at 0xb6f23000 # [ 78.981042] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 78.986189] pc : [] lr : [] psr: 600e0013 # [ 78.992726] sp : c4119e48 ip : c4119d50 fp : c4119e64 # [ 78.998220] r10: 0000000f r9 : c1ad5e44 r8 : c15ebd54 # [ 79.003713] r7 : c4119f60 r6 : 0000000f r5 : c6a83000 r4 : b6f23000 # [ 79.010509] r3 : cbcceb3c r2 : cbcceb3c r1 : ef7ab5e0 r0 : 0000002b # [ 79.017306] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.024712] Control: 10c5387d Table: 16e4804a DAC: 00000051 # [ 79.030729] Process cat (pid: 2107, stack limit = 0x02b6f769) # [ 79.036745] Stack: (0xc4119e48 to 0xc411a000) # [ 79.041377] 9e40: 00000001 00000000 0000000f 00000024 c4119e74 c4119e68 # [ 79.049828] 9e60: c0c584e8 c0c592f4 c4119e9c c4119e78 c0c589e8 c0c584c8 c0c588c8 c4232500 # [ 79.058278] 9e80: b6ddd000 0000000f c517a780 c4119f60 c4119ec4 c4119ea0 c07e211c c0c588d4 # [ 79.066728] 9ea0: 00000000 c4232500 b6ddd000 c290d000 c4119f60 c07e20b8 c4119f5c c4119ec8 # [ 79.075177] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4118000 # [ 79.083629] 9ee0: b6ddd000 00020000 00000004 0000000f 0001fff1 c4119ee0 00000001 b6ddc000 # [ 79.092078] 9f00: c68c7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.100526] 9f20: 00000000 00000000 c13e0f18 cbcceb3c c206c0e0 c4232500 c4232500 c4118000 # [ 79.108974] 9f40: b6ddd000 00000000 00000000 00000004 c4119f94 c4119f60 c059c358 c059bcac # [ 79.117424] 9f60: 00000000 00000000 c4119fac cbcceb3c 0000000f 0000000f b6f24e00 00000004 # [ 79.125873] 9f80: c03002e4 c4118000 c4119fa4 c4119f98 c059c3e8 c059c2f0 00000000 c4119fa8 # [ 79.134323] 9fa0: c03000c0 c059c3dc 0000000f 0000000f 00000001 b6ddd000 0000000f 00000000 # [ 79.142771] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4 # [ 79.151220] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000 # [ 79.159662] Backtrace: # [ 79.162393] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.171187] r4:00000024 # [ 79.173998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.182283] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.190474] r9:c4119f60 r8:c517a780 r7:0000000f r6:b6ddd000 r5:c4232500 r4:c0c588c8 # [ 79.198497] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.206603] r9:c07e20b8 r8:c4119f60 r7:c290d000 r6:b6ddd000 r5:c4232500 r4:00000000 # [ 79.214620] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.222029] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c4118000 r5:c4232500 # [ 79.230126] r4:c4232500 # [ 79.232936] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.240344] r9:c4118000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000f r4:0000000f # [ 79.248365] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.256202] Exception stack(0xc4119fa8 to 0xc4119ff0) # [ 79.261527] 9fa0: 0000000f 0000000f 00000001 b6ddd000 0000000f 00000000 # [ 79.269978] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4 # [ 79.278427] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6 # [ 79.283755] Code: bad PC value # [ 79.287087] ---[ end trace c25e2e226ccb702e ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh <6>[ 79.828777] lkdtm: Performing direct entry EXEC_NULL <6>[ 79.834123] lkdtm: attempting ok execution at c0c59258 <6>[ 79.839537] lkdtm: attempting bad execution at 00000000 <1>[ 79.845156] 8<--- cut here --- <1>[ 79.848513] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 79.857003] pgd = d9b9e464 <1>[ 79.860025] [00000000] *pgd=00000000 <0>[ 79.863900] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 79.869396] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 79.898730] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 79.906741] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.913543] PC is at 0x0 <4>[ 79.916357] LR is at execute_location+0xa4/0xb4 <4>[ 79.921157] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 79.927691] sp : c68dde38 ip : c68ddd40 fp : c68dde54 <4>[ 79.933184] r10: 0000000a r9 : c1ad5e54 r8 : c15ebd54 <4>[ 79.938677] r7 : c68ddf60 r6 : 00000000 r5 : 00000000 r4 : c0c59258 <4>[ 79.945473] r3 : 5c7c1bcc r2 : 5c7c1bcc r1 : ef7815e0 r0 : 0000002b <4>[ 79.952271] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.959676] Control: 10c5387d Table: 16c4804a DAC: 00000051 <0>[ 79.965691] Process cat (pid: 2179, stack limit = 0x1a5696ac) <0>[ 79.971706] Stack: (0xc68dde38 to 0xc68de000) <0>[ 79.976334] de20: 00000025 c688f000 <0>[ 79.984787] de40: 0000000a c68ddf60 c68dde64 c68dde58 c13cbbc0 c13cb91c c68dde74 c68dde68 <0>[ 79.993236] de60: c0c584e8 c13cbbac c68dde9c c68dde78 c0c589e8 c0c584c8 c0c588c8 c68d7540 <0>[ 80.001687] de80: b6ddc000 0000000a c517a780 c68ddf60 c68ddec4 c68ddea0 c07e211c c0c588d4 <0>[ 80.010138] dea0: 00000000 c68d7540 b6ddc000 c290d000 c68ddf60 c07e20b8 c68ddf5c c68ddec8 <0>[ 80.018589] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68dc000 <0>[ 80.027040] dee0: b6ddc000 00020000 00000004 0000000a 0001fff6 c68ddee0 00000001 b6ddb000 <0>[ 80.035488] df00: c414ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.043938] df20: 00000000 00000000 c13e0f18 5c7c1bcc c206c0e0 c68d7540 c68d7540 c68dc000 <0>[ 80.052388] df40: b6ddc000 00000000 00000000 00000004 c68ddf94 c68ddf60 c059c358 c059bcac <0>[ 80.060836] df60: 00000000 00000000 c68ddfac 5c7c1bcc 0000000a 0000000a b6f23e00 00000004 <0>[ 80.069287] df80: c03002e4 c68dc000 c68ddfa4 c68ddf98 c059c3e8 c059c2f0 00000000 c68ddfa8 <0>[ 80.077735] dfa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6ddc000 0000000a 00000000 <0>[ 80.086185] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4 <0>[ 80.094634] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6 800e0030 00000001 00000000 00000000 <0>[ 80.103077] Backtrace: <0>[ 80.105810] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 80.114263] r7:c68ddf60 r6:0000000a r5:c688f000 r4:00000025 <0>[ 80.120204] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.128572] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.136858] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.145049] r9:c68ddf60 r8:c517a780 r7:0000000a r6:b6ddc000 r5:c68d7540 r4:c0c588c8 <0>[ 80.153073] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.161176] r9:c07e20b8 r8:c68ddf60 r7:c290d000 r6:b6ddc000 r5:c68d7540 r4:00000000 <0>[ 80.169192] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.176600] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c68dc000 r5:c68d7540 <0>[ 80.184697] r4:c68d7540 <0>[ 80.187506] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.194913] r9:c68dc000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000000a r4:0000000a <0>[ 80.202933] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.210771] Exception stack(0xc68ddfa8 to 0xc68ddff0) <0>[ 80.216095] dfa0: 0000000a 0000000a 00000001 b6ddc000 0000000a 00000000 <0>[ 80.224545] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4 <0>[ 80.232992] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6 <0>[ 80.238317] Code: bad PC value <4>[ 80.241696] ---[ end trace c25e2e226ccb702f ]--- # Segmentation fault # [ 79.828777] lkdtm: Performing direct entry EXEC_NULL # [ 79.834123] lkdtm: attempting ok execution at c0c59258 # [ 79.839537] lkdtm: attempting bad execution at 00000000 # [ 79.845156] 8<--- cut here --- # [ 79.848513] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.857003] pgd = d9b9e464 # [ 79.860025] [00000000] *pgd=00000000 # [ 79.863900] Internal error: Oops: 80000005 [#9] SMP ARM # [ 79.869396] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.898730] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 79.906741] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.913543] PC is at 0x0 # [ 79.916357] LR is at execute_location+0xa4/0xb4 # [ 79.921157] pc : [<00000000>] lr : [] psr: 600e0013 # [ 79.927691] sp : c68dde38 ip : c68ddd40 fp : c68dde54 # [ 79.933184] r10: 0000000a r9 : c1ad5e54 r8 : c15ebd54 # [ 79.938677] r7 : c68ddf60 r6 : 00000000 r5 : 00000000 r4 : c0c59258 # [ 79.945473] r3 : 5c7c1bcc r2 : 5c7c1bcc r1 : ef7815e0 r0 : 0000002b # [ 79.952271] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.959676] Control: 10c5387d Table: 16c4804a DAC: 00000051 # [ 79.965691] Process cat (pid: 2179, stack limit = 0x1a5696ac) # [ 79.971706] Stack: (0xc68dde38 to 0xc68de000) # [ 79.976334] de20: 00000025 c688f000 # [ 79.984787] de40: 0000000a c68ddf60 c68dde64 c68dde58 c13cbbc0 c13cb91c c68dde74 c68dde68 # [ 79.993236] de60: c0c584e8 c13cbbac c68dde9c c68dde78 c0c589e8 c0c584c8 c0c588c8 c68d7540 # [ 80.001687] de80: b6ddc000 0000000a c517a780 c68ddf60 c68ddec4 c68ddea0 c07e211c c0c588d4 # [ 80.010138] dea0: 00000000 c68d7540 b6ddc000 c290d000 c68ddf60 c07e20b8 c68ddf5c c68ddec8 # [ 80.018589] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68dc000 # [ 80.027040] dee0: b6ddc000 00020000 00000004 0000000a 0001fff6 c68ddee0 00000001 b6ddb000 # [ 80.035488] df00: c414ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.043938] df20: 00000000 00000000 c13e0f18 5c7c1bcc c206c0e0 c68d7540 c68d7540 c68dc000 # [ 80.052388] df40: b6ddc000 00000000 00000000 00000004 c68ddf94 c68ddf60 c059c358 c059bcac # [ 80.060836] df60: 00000000 00000000 c68ddfac 5c7c1bcc 0000000a 0000000a b6f23e00 00000004 # [ 80.069287] df80: c03002e4 c68dc000 c68ddfa4 c68ddf98 c059c3e8 c059c2f0 00000000 c68ddfa8 # [ 80.077735] dfa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6ddc000 0000000a 00000000 # [ 80.086185] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4 # [ 80.094634] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6 800e0030 00000001 00000000 00000000 # [ 80.103077] Backtrace: # [ 80.105810] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 80.114263] r7:c68ddf60 r6:0000000a r5:c688f000 r4:00000025 # [ 80.120204] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.128572] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.136858] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.145049] r9:c68ddf60 r8:c517a780 r7:0000000a r6:b6ddc000 r5:c68d7540 r4:c0c588c8 # [ 80.153073] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.161176] r9:c07e20b8 r8:c68ddf60 r7:c290d000 r6:b6ddc000 r5:c68d7540 r4:00000000 # [ 80.169192] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.176600] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c68dc000 r5:c68d7540 # [ 80.184697] r4:c68d7540 # [ 80.187506] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.194913] r9:c68dc000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000000a r4:0000000a # [ 80.202933] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.210771] Exception stack(0xc68ddfa8 to 0xc68ddff0) # [ 80.216095] dfa0: 0000000a 0000000a 00000001 b6ddc000 0000000a 00000000 # [ 80.224545] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4 # [ 80.232992] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6 # [ 80.238317] Code: bad PC value # [ 80.241696] ---[ end trace c25e2e226ccb702f ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftest<6>[ 80.845287] lkdtm: Performing direct entry ACCESS_USERSPACE s: lkdtm: ACCESS_USERSPACE.sh <6>[ 80.851851] lkdtm: attempting bad read at b6fa6000 <1>[ 80.859428] 8<--- cut here --- <1>[ 80.862762] Unhandled fault: page domain fault (0x01b) at 0xb6fa6000 <1>[ 80.869386] pgd = b356b5e4 <1>[ 80.872361] [b6fa6000] *pgd=49ff0831 <0>[ 80.876217] Internal error: : 1b [#10] SMP ARM <4>[ 80.880931] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 80.910263] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 80.918277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.925086] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 80.930583] LR is at 0x0 <4>[ 80.933386] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 80.939922] sp : c68f9e38 ip : 00000027 fp : c68f9e64 <4>[ 80.945414] r10: 00000011 r9 : c1ad5e60 r8 : c15ebd54 <4>[ 80.950908] r7 : c68f9f60 r6 : 00000051 r5 : c68f8000 r4 : b6fa6000 <4>[ 80.957703] r3 : ec367f7e r2 : ec367f7e r1 : ef7ab5e4 r0 : 00000026 <4>[ 80.964500] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.971905] Control: 10c5387d Table: 146e004a DAC: 00000051 <0>[ 80.977920] Process cat (pid: 2256, stack limit = 0x33852e66) <0>[ 80.983936] Stack: (0xc68f9e38 to 0xc68fa000) <0>[ 80.988564] 9e20: 00000022 00000000 <0>[ 80.997016] 9e40: 00000000 ec367f7e c68f9e6c 00000026 c6a83000 00000011 c68f9e74 c68f9e68 <0>[ 81.005468] 9e60: c0c584e8 c0c593c8 c68f9e9c c68f9e78 c0c589e8 c0c584c8 c0c588c8 c414a280 <0>[ 81.013917] 9e80: b6e60000 00000011 c517a780 c68f9f60 c68f9ec4 c68f9ea0 c07e211c c0c588d4 <0>[ 81.022366] 9ea0: 00000000 c414a280 b6e60000 c290d000 c68f9f60 c07e20b8 c68f9f5c c68f9ec8 <0>[ 81.030815] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68f8000 <0>[ 81.039264] 9ee0: b6e60000 00020000 00000004 00000011 0001ffef c68f9ee0 00000001 b6e5f000 <0>[ 81.047712] 9f00: c4306b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 81.056162] 9f20: 00000000 00000000 c13e0f18 ec367f7e c206c0e0 c414a280 c414a280 c68f8000 <0>[ 81.064610] 9f40: b6e60000 00000000 00000000 00000004 c68f9f94 c68f9f60 c059c358 c059bcac <0>[ 81.073060] 9f60: 00000000 00000000 c68f9fac ec367f7e 00000011 00000011 b6fa7e00 00000004 <0>[ 81.081510] 9f80: c03002e4 c68f8000 c68f9fa4 c68f9f98 c059c3e8 c059c2f0 00000000 c68f9fa8 <0>[ 81.089960] 9fa0: c03000c0 c059c3dc 00000011 00000011 00000001 b6e60000 00000011 00000000 <0>[ 81.098409] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4 <0>[ 81.106857] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000 <0>[ 81.115299] Backtrace: <0>[ 81.118030] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.127000] r6:00000011 r5:c6a83000 r4:00000026 <0>[ 81.131895] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.140182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.148374] r9:c68f9f60 r8:c517a780 r7:00000011 r6:b6e60000 r5:c414a280 r4:c0c588c8 <0>[ 81.156400] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 81.164503] r9:c07e20b8 r8:c68f9f60 r7:c290d000 r6:b6e60000 r5:c414a280 r4:00000000 <0>[ 81.172519] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.179929] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c68f8000 r5:c414a280 <0>[ 81.188026] r4:c414a280 <0>[ 81.190834] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.198241] r9:c68f8000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000011 r4:00000011 <0>[ 81.206263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.214099] Exception stack(0xc68f9fa8 to 0xc68f9ff0) <0>[ 81.219423] 9fa0: 00000011 00000011 00000001 b6e60000 00000011 00000000 <0>[ 81.227872] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4 <0>[ 81.236318] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6 <0>[ 81.241644] Code: e1a01004 e3060d84 e34c01ad eb1d9d8d (e5943000) <4>[ 81.248012] ---[ end trace c25e2e226ccb7030 ]--- # Segmentation fault # [ 80.845287] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.851851] lkdtm: attempting bad read at b6fa6000 # [ 80.859428] 8<--- cut here --- # [ 80.862762] Unhandled fault: page domain fault (0x01b) at 0xb6fa6000 # [ 80.869386] pgd = b356b5e4 # [ 80.872361] [b6fa6000] *pgd=49ff0831 # [ 80.876217] Internal error: : 1b [#10] SMP ARM # [ 80.880931] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.910263] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 80.918277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.925086] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 80.930583] LR is at 0x0 # [ 80.933386] pc : [] lr : [<00000000>] psr: 600e0013 # [ 80.939922] sp : c68f9e38 ip : 00000027 fp : c68f9e64 # [ 80.945414] r10: 00000011 r9 : c1ad5e60 r8 : c15ebd54 # [ 80.950908] r7 : c68f9f60 r6 : 00000051 r5 : c68f8000 r4 : b6fa6000 # [ 80.957703] r3 : ec367f7e r2 : ec367f7e r1 : ef7ab5e4 r0 : 00000026 # [ 80.964500] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.971905] Control: 10c5387d Table: 146e004a DAC: 00000051 # [ 80.977920] Process cat (pid: 2256, stack limit = 0x33852e66) # [ 80.983936] Stack: (0xc68f9e38 to 0xc68fa000) # [ 80.988564] 9e20: 00000022 00000000 # [ 80.997016] 9e40: 00000000 ec367f7e c68f9e6c 00000026 c6a83000 00000011 c68f9e74 c68f9e68 # [ 81.005468] 9e60: c0c584e8 c0c593c8 c68f9e9c c68f9e78 c0c589e8 c0c584c8 c0c588c8 c414a280 # [ 81.013917] 9e80: b6e60000 00000011 c517a780 c68f9f60 c68f9ec4 c68f9ea0 c07e211c c0c588d4 # [ 81.022366] 9ea0: 00000000 c414a280 b6e60000 c290d000 c68f9f60 c07e20b8 c68f9f5c c68f9ec8 # [ 81.030815] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68f8000 # [ 81.039264] 9ee0: b6e60000 00020000 00000004 00000011 0001ffef c68f9ee0 00000001 b6e5f000 # [ 81.047712] 9f00: c4306b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.056162] 9f20: 00000000 00000000 c13e0f18 ec367f7e c206c0e0 c414a280 c414a280 c68f8000 # [ 81.064610] 9f40: b6e60000 00000000 00000000 00000004 c68f9f94 c68f9f60 c059c358 c059bcac # [ 81.073060] 9f60: 00000000 00000000 c68f9fac ec367f7e 00000011 00000011 b6fa7e00 00000004 # [ 81.081510] 9f80: c03002e4 c68f8000 c68f9fa4 c68f9f98 c059c3e8 c059c2f0 00000000 c68f9fa8 # [ 81.089960] 9fa0: c03000c0 c059c3dc 00000011 00000011 00000001 b6e60000 00000011 00000000 # [ 81.098409] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4 # [ 81.106857] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000 # [ 81.115299] Backtrace: # [ 81.118030] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.127000] r6:00000011 r5:c6a83000 r4:00000026 # [ 81.131895] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.140182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.148374] r9:c68f9f60 r8:c517a780 r7:00000011 r6:b6e60000 r5:c414a280 r4:c0c588c8 # [ 81.156400] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.164503] r9:c07e20b8 r8:c68f9f60 r7:c290d000 r6:b6e60000 r5:c414a280 r4:00000000 # [ 81.172519] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.179929] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c68f8000 r5:c414a280 # [ 81.188026] r4:c414a280 # [ 81.190834] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.198241] r9:c68f8000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000011 r4:00000011 # [ 81.206263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.214099] Exception stack(0xc68f9fa8 to 0xc68f9ff0) # [ 81.219423] 9fa0: 00000011 00000011 00000001 b6e60000 00000011 00000000 # [ 81.227872] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4 # [ 81.236318] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6 # [ 81.241644] Code: e1a01004 e3060d84 e34c01ad eb1d9d8d (e5943000) # [ 81.248012] ---[ end trace c25e2e226ccb7030 ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh <6>[ 81.841057] lkdtm: Performing direct entry ACCESS_NULL <6>[ 81.846484] lkdtm: attempting bad read at 00000000 <1>[ 81.851640] 8<--- cut here --- <1>[ 81.855213] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 81.864732] pgd = d9b9e464 <1>[ 81.867731] [00000000] *pgd=00000000 <0>[ 81.871642] Internal error: Oops: 5 [#11] SMP ARM <4>[ 81.876619] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 81.905958] CPU: 0 PID: 2332 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 81.913971] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.920779] PC is at lkdtm_ACCESS_NULL+0x28/0x68 <4>[ 81.925679] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 81.931000] pc : [] lr : [] psr: 600e0013 <4>[ 81.937534] sp : c681de50 ip : c681dd58 fp : c681de64 <4>[ 81.943026] r10: 0000000c r9 : c1ad5e74 r8 : c15ebd54 <4>[ 81.948519] r7 : c681df60 r6 : 0000000c r5 : c688f000 r4 : 00000000 <4>[ 81.955314] r3 : 3b9356d7 r2 : 3b9356d7 r1 : ef7815e0 r0 : 00000026 <4>[ 81.962111] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 81.969516] Control: 10c5387d Table: 16c4804a DAC: 00000051 <0>[ 81.975531] Process cat (pid: 2332, stack limit = 0x28971e08) <0>[ 81.981546] Stack: (0xc681de50 to 0xc681e000) <0>[ 81.986176] de40: 00000027 c688f000 c681de74 c681de68 <0>[ 81.994627] de60: c0c584e8 c13cbbd0 c681de9c c681de78 c0c589e8 c0c584c8 c0c588c8 c6813680 <0>[ 82.003078] de80: b6e61000 0000000c c517a780 c681df60 c681dec4 c681dea0 c07e211c c0c588d4 <0>[ 82.011527] dea0: 00000000 c6813680 b6e61000 c290d000 c681df60 c07e20b8 c681df5c c681dec8 <0>[ 82.019977] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c681c000 <0>[ 82.028426] dee0: b6e61000 00020000 00000004 0000000c 0001fff4 c681dee0 00000001 b6e60000 <0>[ 82.036874] df00: c4394780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 82.045324] df20: 00000000 00000000 c13e0f18 3b9356d7 c206c0e0 c6813680 c6813680 c681c000 <0>[ 82.053773] df40: b6e61000 00000000 00000000 00000004 c681df94 c681df60 c059c358 c059bcac <0>[ 82.062223] df60: 00000000 00000000 c681dfac 3b9356d7 0000000c 0000000c b6fa8e00 00000004 <0>[ 82.070674] df80: c03002e4 c681c000 c681dfa4 c681df98 c059c3e8 c059c2f0 00000000 c681dfa8 <0>[ 82.079123] dfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e61000 0000000c 00000000 <0>[ 82.087573] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4 <0>[ 82.096023] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6 800e0030 00000001 00000000 00000000 <0>[ 82.104464] Backtrace: <0>[ 82.107202] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.115736] r5:c688f000 r4:00000027 <0>[ 82.119587] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.127873] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.136065] r9:c681df60 r8:c517a780 r7:0000000c r6:b6e61000 r5:c6813680 r4:c0c588c8 <0>[ 82.144091] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.152194] r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e61000 r5:c6813680 r4:00000000 <0>[ 82.160211] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.167618] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c681c000 r5:c6813680 <0>[ 82.175714] r4:c6813680 <0>[ 82.178523] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.185930] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000000c r4:0000000c <0>[ 82.193951] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.201789] Exception stack(0xc681dfa8 to 0xc681dff0) <0>[ 82.207112] dfa0: 0000000c 0000000c 00000001 b6e61000 0000000c 00000000 <0>[ 82.215562] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4 <0>[ 82.224007] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6 <0>[ 82.229332] Code: e3060d84 e34c01ad e1a01004 ebffd3c6 (e5945000) <4>[ 82.235741] ---[ end trace c25e2e226ccb7031 ]--- # Segmentation fault # [ 81.841057] lkdtm: Performing direct entry ACCESS_NULL # [ 81.846484] lkdtm: attempting bad read at 00000000 # [ 81.851640] 8<--- cut here --- # [ 81.855213] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.864732] pgd = d9b9e464 # [ 81.867731] [00000000] *pgd=00000000 # [ 81.871642] Internal error: Oops: 5 [#11] SMP ARM # [ 81.876619] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.905958] CPU: 0 PID: 2332 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 81.913971] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.920779] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 81.925679] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.931000] pc : [] lr : [] psr: 600e0013 # [ 81.937534] sp : c681de50 ip : c681dd58 fp : c681de64 # [ 81.943026] r10: 0000000c r9 : c1ad5e74 r8 : c15ebd54 # [ 81.948519] r7 : c681df60 r6 : 0000000c r5 : c688f000 r4 : 00000000 # [ 81.955314] r3 : 3b9356d7 r2 : 3b9356d7 r1 : ef7815e0 r0 : 00000026 # [ 81.962111] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.969516] Control: 10c5387d Table: 16c4804a DAC: 00000051 # [ 81.975531] Process cat (pid: 2332, stack limit = 0x28971e08) # [ 81.981546] Stack: (0xc681de50 to 0xc681e000) # [ 81.986176] de40: 00000027 c688f000 c681de74 c681de68 # [ 81.994627] de60: c0c584e8 c13cbbd0 c681de9c c681de78 c0c589e8 c0c584c8 c0c588c8 c6813680 # [ 82.003078] de80: b6e61000 0000000c c517a780 c681df60 c681dec4 c681dea0 c07e211c c0c588d4 # [ 82.011527] dea0: 00000000 c6813680 b6e61000 c290d000 c681df60 c07e20b8 c681df5c c681dec8 # [ 82.019977] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c681c000 # [ 82.028426] dee0: b6e61000 00020000 00000004 0000000c 0001fff4 c681dee0 00000001 b6e60000 # [ 82.036874] df00: c4394780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.045324] df20: 00000000 00000000 c13e0f18 3b9356d7 c206c0e0 c6813680 c6813680 c681c000 # [ 82.053773] df40: b6e61000 00000000 00000000 00000004 c681df94 c681df60 c059c358 c059bcac # [ 82.062223] df60: 00000000 00000000 c681dfac 3b9356d7 0000000c 0000000c b6fa8e00 00000004 # [ 82.070674] df80: c03002e4 c681c000 c681dfa4 c681df98 c059c3e8 c059c2f0 00000000 c681dfa8 # [ 82.079123] dfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e61000 0000000c 00000000 # [ 82.087573] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4 # [ 82.096023] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6 800e0030 00000001 00000000 00000000 # [ 82.104464] Backtrace: # [ 82.107202] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.115736] r5:c688f000 r4:00000027 # [ 82.119587] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.127873] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.136065] r9:c681df60 r8:c517a780 r7:0000000c r6:b6e61000 r5:c6813680 r4:c0c588c8 # [ 82.144091] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.152194] r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e61000 r5:c6813680 r4:00000000 # [ 82.160211] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.167618] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c681c000 r5:c6813680 # [ 82.175714] r4:c6813680 # [ 82.178523] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.185930] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000000c r4:0000000c # [ 82.193951] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.201789] Exception stack(0xc681dfa8 to 0xc681dff0) # [ 82.207112] dfa0: 0000000c 0000000c 00000001 b6e61000 0000000c 00000000 # [ 82.215562] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4 # [ 82.224007] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6 # [ 82.229332] Code: e3060d84 e34c01ad e1a01004 ebffd3c6 (e5945000) # [ 82.235741] ---[ end trace c25e2e226ccb7031 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh <6>[ 82.920964] lkdtm: Performing direct entry WRITE_RO <6>[ 82.926130] lkdtm: attempting bad rodata write at c15ebfec <1>[ 82.931952] 8<--- cut here --- <1>[ 82.935283] Unable to handle kernel paging request at virtual address c15ebfec <1>[ 82.942781] pgd = b714071c <1>[ 82.945758] [c15ebfec] *pgd=1141941e(bad) <0>[ 82.950057] Internal error: Oops: 80d [#12] SMP ARM <4>[ 82.955205] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 82.984540] CPU: 1 PID: 2407 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 82.992552] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.999362] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 83.004002] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 83.009322] pc : [] lr : [] psr: 600e0013 <4>[ 83.015856] sp : c4563e50 ip : c4563d58 fp : c4563e64 <4>[ 83.021348] r10: 00000009 r9 : c1ad5e80 r8 : c15ebd54 <4>[ 83.026840] r7 : c4563f60 r6 : 00000009 r5 : c6b90000 r4 : c15ebfec <4>[ 83.033636] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1ad6c84 <4>[ 83.040433] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.047836] Control: 10c5387d Table: 16eb004a DAC: 00000051 <0>[ 83.053851] Process cat (pid: 2407, stack limit = 0xc6d9a039) <0>[ 83.059867] Stack: (0xc4563e50 to 0xc4564000) <0>[ 83.064497] 3e40: 00000028 c6b90000 c4563e74 c4563e68 <0>[ 83.072948] 3e60: c0c584e8 c13cb9d0 c4563e9c c4563e78 c0c589e8 c0c584c8 c0c588c8 c4393040 <0>[ 83.081400] 3e80: b6e8d000 00000009 c517a780 c4563f60 c4563ec4 c4563ea0 c07e211c c0c588d4 <0>[ 83.089851] 3ea0: 00000000 c4393040 b6e8d000 c290d000 c4563f60 c07e20b8 c4563f5c c4563ec8 <0>[ 83.098303] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4562000 <0>[ 83.106755] 3ee0: b6e8d000 00020000 00000004 00000009 0001fff7 c4563ee0 00000001 b6e8c000 <0>[ 83.115205] 3f00: c68c7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.123656] 3f20: 00000000 00000000 c13e0f18 b3f9c6c9 c206c0e0 c4393040 c4393040 c4562000 <0>[ 83.132105] 3f40: b6e8d000 00000000 00000000 00000004 c4563f94 c4563f60 c059c358 c059bcac <0>[ 83.140554] 3f60: 00000000 00000000 c4563fac b3f9c6c9 00000009 00000009 b6fd4e00 00000004 <0>[ 83.149004] 3f80: c03002e4 c4562000 c4563fa4 c4563f98 c059c3e8 c059c2f0 00000000 c4563fa8 <0>[ 83.157455] 3fa0: c03000c0 c059c3dc 00000009 00000009 00000001 b6e8d000 00000009 00000000 <0>[ 83.165905] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4 <0>[ 83.174355] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6 800e0030 00000001 00000000 00000000 <0>[ 83.182798] Backtrace: <0>[ 83.185535] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.193810] r5:c6b90000 r4:00000028 <0>[ 83.197664] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.205949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.214141] r9:c4563f60 r8:c517a780 r7:00000009 r6:b6e8d000 r5:c4393040 r4:c0c588c8 <0>[ 83.222164] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.230268] r9:c07e20b8 r8:c4563f60 r7:c290d000 r6:b6e8d000 r5:c4393040 r4:00000000 <0>[ 83.238287] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.245695] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c4562000 r5:c4393040 <0>[ 83.253795] r4:c4393040 <0>[ 83.256605] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.264013] r9:c4562000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000009 r4:00000009 <0>[ 83.272033] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.279870] Exception stack(0xc4563fa8 to 0xc4563ff0) <0>[ 83.285195] 3fa0: 00000009 00000009 00000001 b6e8d000 00000009 00000000 <0>[ 83.293645] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4 <0>[ 83.302093] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6 <0>[ 83.307418] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) <4>[ 83.313787] ---[ end trace c25e2e226ccb7032 ]--- # Segmentation fault # [ 82.920964] lkdtm: Performing direct entry WRITE_RO # [ 82.926130] lkdtm: attempting bad rodata write at c15ebfec # [ 82.931952] 8<--- cut here --- # [ 82.935283] Unable to handle kernel paging request at virtual address c15ebfec # [ 82.942781] pgd = b714071c # [ 82.945758] [c15ebfec] *pgd=1141941e(bad) # [ 82.950057] Internal error: Oops: 80d [#12] SMP ARM # [ 82.955205] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.984540] CPU: 1 PID: 2407 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 82.992552] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.999362] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 83.004002] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.009322] pc : [] lr : [] psr: 600e0013 # [ 83.015856] sp : c4563e50 ip : c4563d58 fp : c4563e64 # [ 83.021348] r10: 00000009 r9 : c1ad5e80 r8 : c15ebd54 # [ 83.026840] r7 : c4563f60 r6 : 00000009 r5 : c6b90000 r4 : c15ebfec # [ 83.033636] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1ad6c84 # [ 83.040433] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.047836] Control: 10c5387d Table: 16eb004a DAC: 00000051 # [ 83.053851] Process cat (pid: 2407, stack limit = 0xc6d9a039) # [ 83.059867] Stack: (0xc4563e50 to 0xc4564000) # [ 83.064497] 3e40: 00000028 c6b90000 c4563e74 c4563e68 # [ 83.072948] 3e60: c0c584e8 c13cb9d0 c4563e9c c4563e78 c0c589e8 c0c584c8 c0c588c8 c4393040 # [ 83.081400] 3e80: b6e8d000 00000009 c517a780 c4563f60 c4563ec4 c4563ea0 c07e211c c0c588d4 # [ 83.089851] 3ea0: 00000000 c4393040 b6e8d000 c290d000 c4563f60 c07e20b8 c4563f5c c4563ec8 # [ 83.098303] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4562000 # [ 83.106755] 3ee0: b6e8d000 00020000 00000004 00000009 0001fff7 c4563ee0 00000001 b6e8c000 # [ 83.115205] 3f00: c68c7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.123656] 3f20: 00000000 00000000 c13e0f18 b3f9c6c9 c206c0e0 c4393040 c4393040 c4562000 # [ 83.132105] 3f40: b6e8d000 00000000 00000000 00000004 c4563f94 c4563f60 c059c358 c059bcac # [ 83.140554] 3f60: 00000000 00000000 c4563fac b3f9c6c9 00000009 00000009 b6fd4e00 00000004 # [ 83.149004] 3f80: c03002e4 c4562000 c4563fa4 c4563f98 c059c3e8 c059c2f0 00000000 c4563fa8 # [ 83.157455] 3fa0: c03000c0 c059c3dc 00000009 00000009 00000001 b6e8d000 00000009 00000000 # [ 83.165905] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4 # [ 83.174355] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6 800e0030 00000001 00000000 00000000 # [ 83.182798] Backtrace: # [ 83.185535] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.193810] r5:c6b90000 r4:00000028 # [ 83.197664] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.205949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.214141] r9:c4563f60 r8:c517a780 r7:00000009 r6:b6e8d000 r5:c4393040 r4:c0c588c8 # [ 83.222164] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.230268] r9:c07e20b8 r8:c4563f60 r7:c290d000 r6:b6e8d000 r5:c4393040 r4:00000000 # [ 83.238287] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.245695] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c4562000 r5:c4393040 # [ 83.253795] r4:c4393040 # [ 83.256605] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.264013] r9:c4562000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000009 r4:00000009 # [ 83.272033] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.279870] Exception stack(0xc4563fa8 to 0xc4563ff0) # [ 83.285195] 3fa0: 00000009 00000009 00000001 b6e8d000 00000009 00000000 # [ 83.293645] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4 # [ 83.302093] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6 # [ 83.307418] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) # [ 83.313787] ---[ end trace c25e2e226ccb7032 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 83.946697] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 83.952943] lkdtm: attempting bad ro_after_init write at c1b89c74 <1>[ 83.959342] 8<--- cut here --- <1>[ 83.962687] Unable to handle kernel paging request at virtual address c1b89c74 <1>[ 83.970195] pgd = 04712197 <1>[ 83.973179] [c1b89c74] *pgd=11a1941e(bad) <0>[ 83.977477] Internal error: Oops: 80d [#13] SMP ARM <4>[ 83.982624] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 84.011962] CPU: 2 PID: 2482 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 84.019976] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.026784] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 84.032367] LR is at 0x0 <4>[ 84.035170] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 84.041705] sp : c6a9be50 ip : 00000027 fp : c6a9be64 <4>[ 84.047198] r10: 00000014 r9 : c1ad5e8c r8 : c15ebd54 <4>[ 84.052690] r7 : c6a9bf60 r6 : 00000014 r5 : c6b94000 r4 : c1b89c74 <4>[ 84.059484] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e4 r0 : c1ad6c84 <4>[ 84.066282] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 84.073688] Control: 10c5387d Table: 16db004a DAC: 00000051 <0>[ 84.079703] Process cat (pid: 2482, stack limit = 0x56905ca8) <0>[ 84.085718] Stack: (0xc6a9be50 to 0xc6a9c000) <0>[ 84.090348] be40: 00000029 c6b94000 c6a9be74 c6a9be68 <0>[ 84.098799] be60: c0c584e8 c13cba20 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c42a3540 <0>[ 84.107248] be80: b6e82000 00000014 c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4 <0>[ 84.115698] bea0: 00000000 c42a3540 b6e82000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8 <0>[ 84.124149] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a9a000 <0>[ 84.132598] bee0: b6e82000 00020000 00000004 00000014 0001ffec c6a9bee0 00000001 b6e81000 <0>[ 84.141048] bf00: c4392dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 84.149498] bf20: 00000000 00000000 c13e0f18 550234f6 c206c0e0 c42a3540 c42a3540 c6a9a000 <0>[ 84.157948] bf40: b6e82000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac <0>[ 84.166396] bf60: 00000000 00000000 c6a9bfac 550234f6 00000014 00000014 b6fc9e00 00000004 <0>[ 84.174846] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8 <0>[ 84.183295] bfa0: c03000c0 c059c3dc 00000014 00000014 00000001 b6e82000 00000014 00000000 <0>[ 84.191747] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4 <0>[ 84.200195] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000 <0>[ 84.208637] Backtrace: <0>[ 84.211374] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.220603] r5:c6b94000 r4:00000029 <0>[ 84.224455] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.232741] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.240933] r9:c6a9bf60 r8:c517a780 r7:00000014 r6:b6e82000 r5:c42a3540 r4:c0c588c8 <0>[ 84.248959] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.257061] r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e82000 r5:c42a3540 r4:00000000 <0>[ 84.265078] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.272487] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c6a9a000 r5:c42a3540 <0>[ 84.280583] r4:c42a3540 <0>[ 84.283391] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.290799] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000014 r4:00000014 <0>[ 84.298819] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.306658] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) <0>[ 84.311982] bfa0: 00000014 00000014 00000001 b6e82000 00000014 00000000 <0>[ 84.320432] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4 <0>[ 84.328878] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6 <0>[ 84.334203] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) <4>[ 84.340574] ---[ end trace c25e2e226ccb7033 ]--- # Segmentation fault # [ 83.946697] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.952943] lkdtm: attempting bad ro_after_init write at c1b89c74 # [ 83.959342] 8<--- cut here --- # [ 83.962687] Unable to handle kernel paging request at virtual address c1b89c74 # [ 83.970195] pgd = 04712197 # [ 83.973179] [c1b89c74] *pgd=11a1941e(bad) # [ 83.977477] Internal error: Oops: 80d [#13] SMP ARM # [ 83.982624] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.011962] CPU: 2 PID: 2482 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 84.019976] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.026784] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 84.032367] LR is at 0x0 # [ 84.035170] pc : [] lr : [<00000000>] psr: 600e0013 # [ 84.041705] sp : c6a9be50 ip : 00000027 fp : c6a9be64 # [ 84.047198] r10: 00000014 r9 : c1ad5e8c r8 : c15ebd54 # [ 84.052690] r7 : c6a9bf60 r6 : 00000014 r5 : c6b94000 r4 : c1b89c74 # [ 84.059484] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e4 r0 : c1ad6c84 # [ 84.066282] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.073688] Control: 10c5387d Table: 16db004a DAC: 00000051 # [ 84.079703] Process cat (pid: 2482, stack limit = 0x56905ca8) # [ 84.085718] Stack: (0xc6a9be50 to 0xc6a9c000) # [ 84.090348] be40: 00000029 c6b94000 c6a9be74 c6a9be68 # [ 84.098799] be60: c0c584e8 c13cba20 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c42a3540 # [ 84.107248] be80: b6e82000 00000014 c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4 # [ 84.115698] bea0: 00000000 c42a3540 b6e82000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8 # [ 84.124149] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a9a000 # [ 84.132598] bee0: b6e82000 00020000 00000004 00000014 0001ffec c6a9bee0 00000001 b6e81000 # [ 84.141048] bf00: c4392dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.149498] bf20: 00000000 00000000 c13e0f18 550234f6 c206c0e0 c42a3540 c42a3540 c6a9a000 # [ 84.157948] bf40: b6e82000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac # [ 84.166396] bf60: 00000000 00000000 c6a9bfac 550234f6 00000014 00000014 b6fc9e00 00000004 # [ 84.174846] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8 # [ 84.183295] bfa0: c03000c0 c059c3dc 00000014 00000014 00000001 b6e82000 00000014 00000000 # [ 84.191747] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4 # [ 84.200195] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000 # [ 84.208637] Backtrace: # [ 84.211374] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.220603] r5:c6b94000 r4:00000029 # [ 84.224455] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.232741] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.240933] r9:c6a9bf60 r8:c517a780 r7:00000014 r6:b6e82000 r5:c42a3540 r4:c0c588c8 # [ 84.248959] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.257061] r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e82000 r5:c42a3540 r4:00000000 # [ 84.265078] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.272487] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c6a9a000 r5:c42a3540 # [ 84.280583] r4:c42a3540 # [ 84.283391] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.290799] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000014 r4:00000014 # [ 84.298819] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.306658] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) # [ 84.311982] bfa0: 00000014 00000014 00000001 b6e82000 00000014 00000000 # [ 84.320432] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4 # [ 84.328878] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6 # [ 84.334203] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) # [ 84.340574] ---[ end trace c25e2e226ccb7033 ]--- # 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>[ 84.938704] lkdtm: Performing direct entry WRITE_KERN <6>[ 84.944198] lkdtm: attempting bad 7808660 byte write at c13cb8ec <1>[ 84.950644] 8<--- cut here --- <1>[ 84.953992] Unable to handle kernel paging request at virtual address c13cb8ec <1>[ 84.961497] pgd = d69b61fe <1>[ 84.964475] [c13cb8ec] *pgd=1121940e(bad) <0>[ 84.968773] Internal error: Oops: 80d [#14] SMP ARM <4>[ 84.973921] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.003257] CPU: 1 PID: 2557 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 85.011268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.018078] PC is at memcpy+0x50/0x330 <4>[ 85.022100] LR is at 0xe92dd830 <4>[ 85.025511] pc : [] lr : [] psr: 200e0013 <4>[ 85.032046] sp : c43a1e2c ip : e1a0c00d fp : c43a1e64 <4>[ 85.037539] r10: 0000000b r9 : c1ad5ea0 r8 : e89da800 <4>[ 85.043031] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 85.049826] r3 : e1a0c00d r2 : 007725f4 r1 : c0c59278 r0 : c13cb8ec <4>[ 85.056624] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 85.064030] Control: 10c5387d Table: 1479804a DAC: 00000051 <0>[ 85.070050] Process cat (pid: 2557, stack limit = 0xe81f2534) <0>[ 85.076069] Stack: (0xc43a1e2c to 0xc43a2000) <0>[ 85.080699] 1e20: c0c59258 00772694 c43a1f60 c15ebd54 c13cb8ec <0>[ 85.089151] 1e40: c13cb8ec c13cbad0 0000002a c6b90000 0000000b c43a1f60 c43a1e74 c43a1e68 <0>[ 85.097604] 1e60: c0c584e8 c13cba90 c43a1e9c c43a1e78 c0c589e8 c0c584c8 c0c588c8 c4392c80 <0>[ 85.106055] 1e80: b6e62000 0000000b c517a780 c43a1f60 c43a1ec4 c43a1ea0 c07e211c c0c588d4 <0>[ 85.114505] 1ea0: 00000000 c4392c80 b6e62000 c290d000 c43a1f60 c07e20b8 c43a1f5c c43a1ec8 <0>[ 85.122954] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c43a0000 <0>[ 85.131405] 1ee0: b6e62000 00020000 00000004 0000000b 0001fff5 c43a1ee0 00000001 b6e61000 <0>[ 85.139854] 1f00: c68d6280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 85.148304] 1f20: 00000000 00000000 c13e0f18 4aa99fb5 c206c0e0 c4392c80 c4392c80 c43a0000 <0>[ 85.156753] 1f40: b6e62000 00000000 00000000 00000004 c43a1f94 c43a1f60 c059c358 c059bcac <0>[ 85.165201] 1f60: 00000000 00000000 c43a1fac 4aa99fb5 0000000b 0000000b b6fa9e00 00000004 <0>[ 85.173651] 1f80: c03002e4 c43a0000 c43a1fa4 c43a1f98 c059c3e8 c059c2f0 00000000 c43a1fa8 <0>[ 85.182100] 1fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e62000 0000000b 00000000 <0>[ 85.190552] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4 <0>[ 85.199002] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6 800e0030 00000001 00000000 00000000 <0>[ 85.207449] Backtrace: <0>[ 85.210203] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 85.218657] r7:c43a1f60 r6:0000000b r5:c6b90000 r4:0000002a <0>[ 85.224593] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 85.232883] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 85.241075] r9:c43a1f60 r8:c517a780 r7:0000000b r6:b6e62000 r5:c4392c80 r4:c0c588c8 <0>[ 85.249101] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 85.257205] r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e62000 r5:c4392c80 r4:00000000 <0>[ 85.265224] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.272633] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c43a0000 r5:c4392c80 <0>[ 85.280732] r4:c4392c80 <0>[ 85.283542] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.290950] r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:0000000b r4:0000000b <0>[ 85.298972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.306813] Exception stack(0xc43a1fa8 to 0xc43a1ff0) <0>[ 85.312138] 1fa0: 0000000b 0000000b 00000001 b6e62000 0000000b 00000000 <0>[ 85.320587] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4 <0>[ 85.329034] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6 <0>[ 85.334361] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 85.340740] ---[ end trace c25e2e226ccb7034 ]--- # Segmentation fault # [ 84.938704] lkdtm: Performing direct entry WRITE_KERN # [ 84.944198] lkdtm: attempting bad 7808660 byte write at c13cb8ec # [ 84.950644] 8<--- cut here --- # [ 84.953992] Unable to handle kernel paging request at virtual address c13cb8ec # [ 84.961497] pgd = d69b61fe # [ 84.964475] [c13cb8ec] *pgd=1121940e(bad) # [ 84.968773] Internal error: Oops: 80d [#14] SMP ARM # [ 84.973921] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.003257] CPU: 1 PID: 2557 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 85.011268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.018078] PC is at memcpy+0x50/0x330 # [ 85.022100] LR is at 0xe92dd830 # [ 85.025511] pc : [] lr : [] psr: 200e0013 # [ 85.032046] sp : c43a1e2c ip : e1a0c00d fp : c43a1e64 # [ 85.037539] r10: 0000000b r9 : c1ad5ea0 r8 : e89da800 # [ 85.043031] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 85.049826] r3 : e1a0c00d r2 : 007725f4 r1 : c0c59278 r0 : c13cb8ec # [ 85.056624] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.064030] Control: 10c5387d Table: 1479804a DAC: 00000051 # [ 85.070050] Process cat (pid: 2557, stack limit = 0xe81f2534) # [ 85.076069] Stack: (0xc43a1e2c to 0xc43a2000) # [ 85.080699] 1e20: c0c59258 00772694 c43a1f60 c15ebd54 c13cb8ec # [ 85.089151] 1e40: c13cb8ec c13cbad0 0000002a c6b90000 0000000b c43a1f60 c43a1e74 c43a1e68 # [ 85.097604] 1e60: c0c584e8 c13cba90 c43a1e9c c43a1e78 c0c589e8 c0c584c8 c0c588c8 c4392c80 # [ 85.106055] 1e80: b6e62000 0000000b c517a780 c43a1f60 c43a1ec4 c43a1ea0 c07e211c c0c588d4 # [ 85.114505] 1ea0: 00000000 c4392c80 b6e62000 c290d000 c43a1f60 c07e20b8 c43a1f5c c43a1ec8 # [ 85.122954] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c43a0000 # [ 85.131405] 1ee0: b6e62000 00020000 00000004 0000000b 0001fff5 c43a1ee0 00000001 b6e61000 # [ 85.139854] 1f00: c68d6280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.148304] 1f20: 00000000 00000000 c13e0f18 4aa99fb5 c206c0e0 c4392c80 c4392c80 c43a0000 # [ 85.156753] 1f40: b6e62000 00000000 00000000 00000004 c43a1f94 c43a1f60 c059c358 c059bcac # [ 85.165201] 1f60: 00000000 00000000 c43a1fac 4aa99fb5 0000000b 0000000b b6fa9e00 00000004 # [ 85.173651] 1f80: c03002e4 c43a0000 c43a1fa4 c43a1f98 c059c3e8 c059c2f0 00000000 c43a1fa8 # [ 85.182100] 1fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e62000 0000000b 00000000 # [ 85.190552] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4 # [ 85.199002] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6 800e0030 00000001 00000000 00000000 # [ 85.207449] Backtrace: # [ 85.210203] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.218657] r7:c43a1f60 r6:0000000b r5:c6b90000 r4:0000002a # [ 85.224593] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.232883] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.241075] r9:c43a1f60 r8:c517a780 r7:0000000b r6:b6e62000 r5:c4392c80 r4:c0c588c8 # [ 85.249101] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.257205] r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e62000 r5:c4392c80 r4:00000000 # [ 85.265224] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.272633] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c43a0000 r5:c4392c80 # [ 85.280732] r4:c4392c80 # [ 85.283542] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.290950] r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:0000000b r4:0000000b # [ 85.298972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.306813] Exception stack(0xc43a1fa8 to 0xc43a1ff0) # [ 85.312138] 1fa0: 0000000b 0000000b 00000001 b6e62000 0000000b 00000000 # [ 85.320587] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4 # [ 85.329034] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6 # [ 85.334361] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 85.340740] ---[ end trace c25e2e226ccb7034 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 85.907204] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 85.913586] lkdtm: attempting good refcount_inc() without overflow <6>[ 85.920082] lkdtm: attempting bad refcount_inc() overflow <4>[ 85.925758] ------------[ cut here ]------------ <4>[ 85.930736] WARNING: CPU: 0 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 85.939449] refcount_t: saturated; leaking memory. <4>[ 85.944552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.974109] CPU: 0 PID: 2633 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 85.982123] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.988918] Backtrace: <4>[ 85.991654] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.999498] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 86.005436] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.013026] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.020263] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 <4>[ 86.028283] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.036035] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000 <4>[ 86.041969] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 86.051203] r9:c1ad5eac r8:c15ebd54 r7:c683df60 r6:00000016 r5:c45eb000 r4:c683c000 <4>[ 86.059227] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 86.069162] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 86.079525] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.088923] r4:0000002b <4>[ 86.091730] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.100016] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.108205] r9:c683df60 r8:c517a780 r7:00000016 r6:b6e89000 r5:c4395540 r4:c0c588c8 <4>[ 86.116230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.124332] r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e89000 r5:c4395540 r4:00000000 <4>[ 86.132349] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.139757] r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c683c000 r5:c4395540 <4>[ 86.147853] r4:c4395540 <4>[ 86.150662] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.158070] r9:c683c000 r8:c03002e4 r7:00000004 r6:b6fd0e00 r5:00000016 r4:00000016 <4>[ 86.166088] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.173928] Exception stack(0xc683dfa8 to 0xc683dff0) <4>[ 86.179255] dfa0: 00000016 00000016 00000001 b6e89000 00000016 00000000 <4>[ 86.187705] dfc0: 00000016 00000016 b6fd0e00 00000004 00000001 00000000 00020000 bec02ac4 <4>[ 86.196151] dfe0: 00000004 bec027f8 b6f3ad8f b6ec17e6 <4>[ 86.201569] irq event stamp: 0 <4>[ 86.204910] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.210800] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.218563] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.226354] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.232230] ---[ end trace c25e2e226ccb7035 ]--- <6>[ 86.237125] lkdtm: Overflow detected: saturated # [ 85.907204] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 85.913586] lkdtm: attempting good refcount_inc() without overflow # [ 85.920082] lkdtm: attempting bad refcount_inc() overflow # [ 85.925758] ------------[ cut here ]------------ # [ 85.930736] WARNING: CPU: 0 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.939449] refcount_t: saturated; leaking memory. # [ 85.944552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.974109] CPU: 0 PID: 2633 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 85.982123] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.988918] Backtrace: # [ 85.991654] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.999498] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.005436] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.013026] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.020263] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 # [ 86.028283] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.036035] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000 # [ 86.041969] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.051203] r9:c1ad5eac r8:c15ebd54 r7:c683df60 r6:00000016 r5:c45eb000 r4:c683c000 # [ 86.059227] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.069162] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 86.079525] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.088923] r4:0000002b # [ 86.091730] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.100016] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.108205] r9:c683df60 r8:c517a780 r7:00000016 r6:b6e89000 r5:c4395540 r4:c0c588c8 # [ 86.116230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.124332] r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e89000 r5:c4395540 r4:00000000 # [ 86.132349] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.139757] r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c683c000 r5:c4395540 # [ 86.147853] r4:c4395540 # [ 86.150662] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.158070] r9:c683c000 r8:c03002e4 r7:00000004 r6:b6fd0e00 r5:00000016 r4:00000016 # [ 86.166088] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.173928] Exception stack(0xc683dfa8 to 0xc683dff0) # [ 86.179255] dfa0: 00000016 00000016 00000001 b6e89000 00000016 00000000 # [ 86.187705] dfc0: 00000016 00000016 b6fd0e00 00000004 00000001 00000000 00020000 bec02ac4 # [ 86.196151] dfe0: 00000004 bec027f8 b6f3ad8f b6ec17e6 # [ 86.201569] irq event stamp: 0 # [ 86.204910] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.210800] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.218563] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.226354] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.232230] ---[ end trace c25e2e226ccb7035 ]--- # [ 86.237125] 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>[ 86.762849] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 86.769143] lkdtm: attempting good refcount_add() without overflow <6>[ 86.775694] lkdtm: attempting bad refcount_add() overflow <4>[ 86.781430] ------------[ cut here ]------------ <4>[ 86.786341] WARNING: CPU: 2 PID: 2668 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 86.795095] refcount_t: saturated; leaking memory. <4>[ 86.800216] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 86.829736] CPU: 2 PID: 2668 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 86.837751] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.844549] Backtrace: <4>[ 86.847287] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.855132] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 86.861069] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.868659] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.875895] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 <4>[ 86.883915] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.891668] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000 <4>[ 86.897603] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 86.906834] r9:c1ad5ec4 r8:c15ebd54 r7:c683df60 r6:00000016 r5:c6b94000 r4:c683c000 <4>[ 86.914856] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 86.924790] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 86.935153] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.944552] r4:0000002c <4>[ 86.947359] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.955644] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.963834] r9:c683df60 r8:c517a780 r7:00000016 r6:b6e4d000 r5:c68d6b40 r4:c0c588c8 <4>[ 86.971857] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.979961] r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e4d000 r5:c68d6b40 r4:00000000 <4>[ 86.987978] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.995387] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c683c000 r5:c68d6b40 <4>[ 87.003483] r4:c68d6b40 <4>[ 87.006292] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.013701] r9:c683c000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000016 r4:00000016 <4>[ 87.021719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.029557] Exception stack(0xc683dfa8 to 0xc683dff0) <4>[ 87.034882] dfa0: 00000016 00000016 00000001 b6e4d000 00000016 00000000 <4>[ 87.043332] dfc0: 00000016 00000016 b6f94e00 00000004 00000001 00000000 00020000 bedb6ac4 <4>[ 87.051779] dfe0: 00000004 bedb67f8 b6efed8f b6e857e6 <4>[ 87.057205] irq event stamp: 0 <4>[ 87.060580] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.066444] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.074294] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.082131] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.087994] ---[ end trace c25e2e226ccb7036 ]--- <6>[ 87.092954] lkdtm: Overflow detected: saturated # [ 86.762849] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 86.769143] lkdtm: attempting good refcount_add() without overflow # [ 86.775694] lkdtm: attempting bad refcount_add() overflow # [ 86.781430] ------------[ cut here ]------------ # [ 86.786341] WARNING: CPU: 2 PID: 2668 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.795095] refcount_t: saturated; leaking memory. # [ 86.800216] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.829736] CPU: 2 PID: 2668 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 86.837751] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.844549] Backtrace: # [ 86.847287] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.855132] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.861069] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.868659] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.875895] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 # [ 86.883915] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.891668] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000 # [ 86.897603] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.906834] r9:c1ad5ec4 r8:c15ebd54 r7:c683df60 r6:00000016 r5:c6b94000 r4:c683c000 # [ 86.914856] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.924790] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 86.935153] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.944552] r4:0000002c # [ 86.947359] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.955644] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.963834] r9:c683df60 r8:c517a780 r7:00000016 r6:b6e4d000 r5:c68d6b40 r4:c0c588c8 # [ 86.971857] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.979961] r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e4d000 r5:c68d6b40 r4:00000000 # [ 86.987978] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.995387] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c683c000 r5:c68d6b40 # [ 87.003483] r4:c68d6b40 # [ 87.006292] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.013701] r9:c683c000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000016 r4:00000016 # [ 87.021719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.029557] Exception stack(0xc683dfa8 to 0xc683dff0) # [ 87.034882] dfa0: 00000016 00000016 00000001 b6e4d000 00000016 00000000 # [ 87.043332] dfc0: 00000016 00000016 b6f94e00 00000004 00000001 00000000 00020000 bedb6ac4 # [ 87.051779] dfe0: 00000004 bedb67f8 b6efed8f b6e857e6 # [ 87.057205] irq event stamp: 0 # [ 87.060580] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.066444] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.074294] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.082131] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.087994] ---[ end trace c25e2e226ccb7036 ]--- # [ 87.092954] 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>[ 87.615867] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 87.623004] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 87.629462] ------------[ cut here ]------------ <4>[ 87.634439] WARNING: CPU: 1 PID: 2703 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 87.643189] refcount_t: saturated; leaking memory. <4>[ 87.648256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 87.677745] CPU: 1 PID: 2703 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 87.685759] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.692555] Backtrace: <4>[ 87.695291] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.703136] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 87.709073] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.716663] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.723900] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 <4>[ 87.731918] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.739673] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6c3a000 <4>[ 87.745608] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 87.754840] r9:c1ad5edc r8:c15ebd54 r7:c6c3bf60 r6:0000001f r5:c6b90000 r4:7fffffff <4>[ 87.762865] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 87.773577] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 87.785495] r5:c6b90000 r4:c6c3a000 <4>[ 87.789351] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.799531] r4:0000002d <4>[ 87.802338] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.810624] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.818813] r9:c6c3bf60 r8:c517a780 r7:0000001f r6:b6e21000 r5:c68eac80 r4:c0c588c8 <4>[ 87.826837] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.834941] r9:c07e20b8 r8:c6c3bf60 r7:c290d000 r6:b6e21000 r5:c68eac80 r4:00000000 <4>[ 87.842958] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.850367] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6c3a000 r5:c68eac80 <4>[ 87.858464] r4:c68eac80 <4>[ 87.861272] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.868681] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:0000001f r4:0000001f <4>[ 87.876699] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.884537] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) <4>[ 87.889860] bfa0: 0000001f 0000001f 00000001 b6e21000 0000001f 00000000 <4>[ 87.898311] bfc0: 0000001f 0000001f b6f68e00 00000004 00000001 00000000 00020000 bef4fac4 <4>[ 87.906756] bfe0: 00000004 bef4f7f8 b6ed2d8f b6e597e6 <4>[ 87.912146] irq event stamp: 0 <4>[ 87.915493] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.921379] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.929160] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.936999] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.942892] ---[ end trace c25e2e226ccb7037 ]--- <6>[ 87.947806] lkdtm: Overflow detected: saturated # [ 87.615867] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 87.623004] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 87.629462] ------------[ cut here ]------------ # [ 87.634439] WARNING: CPU: 1 PID: 2703 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.643189] refcount_t: saturated; leaking memory. # [ 87.648256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.677745] CPU: 1 PID: 2703 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 87.685759] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.692555] Backtrace: # [ 87.695291] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.703136] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.709073] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.716663] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.723900] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 # [ 87.731918] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.739673] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6c3a000 # [ 87.745608] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.754840] r9:c1ad5edc r8:c15ebd54 r7:c6c3bf60 r6:0000001f r5:c6b90000 r4:7fffffff # [ 87.762865] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.773577] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.785495] r5:c6b90000 r4:c6c3a000 # [ 87.789351] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.799531] r4:0000002d # [ 87.802338] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.810624] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.818813] r9:c6c3bf60 r8:c517a780 r7:0000001f r6:b6e21000 r5:c68eac80 r4:c0c588c8 # [ 87.826837] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.834941] r9:c07e20b8 r8:c6c3bf60 r7:c290d000 r6:b6e21000 r5:c68eac80 r4:00000000 # [ 87.842958] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.850367] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6c3a000 r5:c68eac80 # [ 87.858464] r4:c68eac80 # [ 87.861272] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.868681] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:0000001f r4:0000001f # [ 87.876699] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.884537] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) # [ 87.889860] bfa0: 0000001f 0000001f 00000001 b6e21000 0000001f 00000000 # [ 87.898311] bfc0: 0000001f 0000001f b6f68e00 00000004 00000001 00000000 00020000 bef4fac4 # [ 87.906756] bfe0: 00000004 bef4f7f8 b6ed2d8f b6e597e6 # [ 87.912146] irq event stamp: 0 # [ 87.915493] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.921379] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.929160] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.936999] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.942892] ---[ end trace c25e2e226ccb7037 ]--- # [ 87.947806] 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>[ 88.489209] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 88.496514] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 88.503080] ------------[ cut here ]------------ <4>[ 88.508018] WARNING: CPU: 0 PID: 2738 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 88.516808] refcount_t: saturated; leaking memory. <4>[ 88.521912] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 88.551508] CPU: 0 PID: 2738 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 88.559523] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.566318] Backtrace: <4>[ 88.569055] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.576899] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 88.582839] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.590429] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.597668] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 <4>[ 88.605685] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.613438] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000 <4>[ 88.619374] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 88.628605] r9:c1ad5efc r8:c15ebd54 r7:c68d1f60 r6:0000001f r5:c5e07000 r4:7fffffff <4>[ 88.636628] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 88.647341] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 88.659258] r5:c5e07000 r4:c68d0000 <4>[ 88.663115] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.673295] r4:0000002e <4>[ 88.676102] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.684387] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.692578] r9:c68d1f60 r8:c517a780 r7:0000001f r6:b6eb1000 r5:c4786f00 r4:c0c588c8 <4>[ 88.700601] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.708705] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6eb1000 r5:c4786f00 r4:00000000 <4>[ 88.716722] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.724132] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c68d0000 r5:c4786f00 <4>[ 88.732227] r4:c4786f00 <4>[ 88.735035] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.742443] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000001f r4:0000001f <4>[ 88.750462] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.758300] Exception stack(0xc68d1fa8 to 0xc68d1ff0) <4>[ 88.763625] 1fa0: 0000001f 0000001f 00000001 b6eb1000 0000001f 00000000 <4>[ 88.772076] 1fc0: 0000001f 0000001f b6ff8e00 00000004 00000001 00000000 00020000 bed81ac4 <4>[ 88.780522] 1fe0: 00000004 bed817f8 b6f62d8f b6ee97e6 <4>[ 88.785919] irq event stamp: 0 <4>[ 88.789266] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.795162] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.802974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.812485] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.818892] ---[ end trace c25e2e226ccb7038 ]--- <6>[ 88.823852] lkdtm: Overflow detected: saturated # [ 88.489209] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 88.496514] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 88.503080] ------------[ cut here ]------------ # [ 88.508018] WARNING: CPU: 0 PID: 2738 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.516808] refcount_t: saturated; leaking memory. # [ 88.521912] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.551508] CPU: 0 PID: 2738 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 88.559523] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.566318] Backtrace: # [ 88.569055] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.576899] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.582839] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.590429] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.597668] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 # [ 88.605685] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.613438] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000 # [ 88.619374] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.628605] r9:c1ad5efc r8:c15ebd54 r7:c68d1f60 r6:0000001f r5:c5e07000 r4:7fffffff # [ 88.636628] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.647341] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 88.659258] r5:c5e07000 r4:c68d0000 # [ 88.663115] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.673295] r4:0000002e # [ 88.676102] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.684387] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.692578] r9:c68d1f60 r8:c517a780 r7:0000001f r6:b6eb1000 r5:c4786f00 r4:c0c588c8 # [ 88.700601] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.708705] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6eb1000 r5:c4786f00 r4:00000000 # [ 88.716722] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.724132] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c68d0000 r5:c4786f00 # [ 88.732227] r4:c4786f00 # [ 88.735035] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.742443] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000001f r4:0000001f # [ 88.750462] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.758300] Exception stack(0xc68d1fa8 to 0xc68d1ff0) # [ 88.763625] 1fa0: 0000001f 0000001f 00000001 b6eb1000 0000001f 00000000 # [ 88.772076] 1fc0: 0000001f 0000001f b6ff8e00 00000004 00000001 00000000 00020000 bed81ac4 # [ 88.780522] 1fe0: 00000004 bed817f8 b6f62d8f b6ee97e6 # [ 88.785919] irq event stamp: 0 # [ 88.789266] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.795162] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.802974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.812485] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.818892] ---[ end trace c25e2e226ccb7038 ]--- # [ 88.823852] 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>[ 89.391654] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 89.397600] lkdtm: attempting good refcount_dec() <6>[ 89.402633] lkdtm: attempting bad refcount_dec() to zero <4>[ 89.408222] ------------[ cut here ]------------ <4>[ 89.413186] WARNING: CPU: 0 PID: 2773 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 89.421934] refcount_t: decrement hit 0; leaking memory. <4>[ 89.427522] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.457116] CPU: 0 PID: 2773 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 89.465131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.471926] Backtrace: <4>[ 89.474663] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.482508] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.488446] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.496035] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.503273] r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4 <4>[ 89.511290] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.519044] r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6a9a000 <4>[ 89.524980] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 89.534211] r9:c1ad5f1c r8:c15ebd54 r7:c6a9bf60 r6:00000012 r5:c6a5d000 r4:c6a9a000 <4>[ 89.542231] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 89.552161] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 89.562179] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.571232] r4:0000002f <4>[ 89.574039] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.582324] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.590513] r9:c6a9bf60 r8:c517a780 r7:00000012 r6:b6e59000 r5:c5f86a00 r4:c0c588c8 <4>[ 89.598537] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.606639] r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e59000 r5:c5f86a00 r4:00000000 <4>[ 89.614656] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.622063] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c6a9a000 r5:c5f86a00 <4>[ 89.630160] r4:c5f86a00 <4>[ 89.632969] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.640378] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000012 r4:00000012 <4>[ 89.648396] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.656235] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) <4>[ 89.661559] bfa0: 00000012 00000012 00000001 b6e59000 00000012 00000000 <4>[ 89.670010] bfc0: 00000012 00000012 b6fa0e00 00000004 00000001 00000000 00020000 be8afac4 <4>[ 89.678455] bfe0: 00000004 be8af7f8 b6f0ad8f b6e917e6 <4>[ 89.683862] irq event stamp: 0 <4>[ 89.687199] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.693089] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.701280] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.709052] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.715955] ---[ end trace c25e2e226ccb7039 ]--- <6>[ 89.720896] lkdtm: Zero detected: saturated # [ 89.391654] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 89.397600] lkdtm: attempting good refcount_dec() # [ 89.402633] lkdtm: attempting bad refcount_dec() to zero # [ 89.408222] ------------[ cut here ]------------ # [ 89.413186] WARNING: CPU: 0 PID: 2773 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.421934] refcount_t: decrement hit 0; leaking memory. # [ 89.427522] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.457116] CPU: 0 PID: 2773 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 89.465131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.471926] Backtrace: # [ 89.474663] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.482508] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.488446] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.496035] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.503273] r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4 # [ 89.511290] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.519044] r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6a9a000 # [ 89.524980] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.534211] r9:c1ad5f1c r8:c15ebd54 r7:c6a9bf60 r6:00000012 r5:c6a5d000 r4:c6a9a000 # [ 89.542231] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.552161] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 89.562179] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.571232] r4:0000002f # [ 89.574039] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.582324] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.590513] r9:c6a9bf60 r8:c517a780 r7:00000012 r6:b6e59000 r5:c5f86a00 r4:c0c588c8 # [ 89.598537] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.606639] r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e59000 r5:c5f86a00 r4:00000000 # [ 89.614656] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.622063] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c6a9a000 r5:c5f86a00 # [ 89.630160] r4:c5f86a00 # [ 89.632969] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.640378] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000012 r4:00000012 # [ 89.648396] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.656235] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) # [ 89.661559] bfa0: 00000012 00000012 00000001 b6e59000 00000012 00000000 # [ 89.670010] bfc0: 00000012 00000012 b6fa0e00 00000004 00000001 00000000 00020000 be8afac4 # [ 89.678455] bfe0: 00000004 be8af7f8 b6f0ad8f b6e917e6 # [ 89.683862] irq event stamp: 0 # [ 89.687199] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.693089] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.701280] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.709052] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.715955] ---[ end trace c25e2e226ccb7039 ]--- # [ 89.720896] 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>[ 90.324028] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 90.330448] lkdtm: attempting bad refcount_dec() below zero <4>[ 90.336318] ------------[ cut here ]------------ <4>[ 90.341321] WARNING: CPU: 0 PID: 2811 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.350085] refcount_t: decrement hit 0; leaking memory. <4>[ 90.355673] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.385283] CPU: 0 PID: 2811 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 90.393299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.400095] Backtrace: <4>[ 90.402832] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.410675] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 90.416614] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.424204] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.431440] r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4 <4>[ 90.439458] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.447212] r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6d10000 <4>[ 90.453147] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 90.462380] r9:c1ad5f30 r8:c15ebd54 r7:c6d11f60 r6:00000016 r5:00000000 r4:c6d10000 <4>[ 90.470404] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 90.480334] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 90.490701] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.500102] r5:c6afc000 r4:00000030 <4>[ 90.503951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.512235] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.520425] r9:c6d11f60 r8:c517a780 r7:00000016 r6:b6dcb000 r5:c4232c80 r4:c0c588c8 <4>[ 90.528451] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.536554] r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6dcb000 r5:c4232c80 r4:00000000 <4>[ 90.544572] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.551979] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c6d10000 r5:c4232c80 <4>[ 90.560075] r4:c4232c80 <4>[ 90.562882] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.570291] r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000016 r4:00000016 <4>[ 90.578308] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.586146] Exception stack(0xc6d11fa8 to 0xc6d11ff0) <4>[ 90.591472] 1fa0: 00000016 00000016 00000001 b6dcb000 00000016 00000000 <4>[ 90.599922] 1fc0: 00000016 00000016 b6f12e00 00000004 00000001 00000000 00020000 be8c0ac4 <4>[ 90.608369] 1fe0: 00000004 be8c07f8 b6e7cd8f b6e037e6 <4>[ 90.613747] irq event stamp: 0 <4>[ 90.617086] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.622982] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.630801] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.638570] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.644465] ---[ end trace c25e2e226ccb703a ]--- <6>[ 90.649363] lkdtm: Negative detected: saturated # [ 90.324028] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 90.330448] lkdtm: attempting bad refcount_dec() below zero # [ 90.336318] ------------[ cut here ]------------ # [ 90.341321] WARNING: CPU: 0 PID: 2811 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.350085] refcount_t: decrement hit 0; leaking memory. # [ 90.355673] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.385283] CPU: 0 PID: 2811 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 90.393299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.400095] Backtrace: # [ 90.402832] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.410675] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 90.416614] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.424204] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.431440] r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4 # [ 90.439458] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.447212] r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6d10000 # [ 90.453147] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.462380] r9:c1ad5f30 r8:c15ebd54 r7:c6d11f60 r6:00000016 r5:00000000 r4:c6d10000 # [ 90.470404] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.480334] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 90.490701] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.500102] r5:c6afc000 r4:00000030 # [ 90.503951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.512235] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.520425] r9:c6d11f60 r8:c517a780 r7:00000016 r6:b6dcb000 r5:c4232c80 r4:c0c588c8 # [ 90.528451] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.536554] r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6dcb000 r5:c4232c80 r4:00000000 # [ 90.544572] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.551979] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c6d10000 r5:c4232c80 # [ 90.560075] r4:c4232c80 # [ 90.562882] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.570291] r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000016 r4:00000016 # [ 90.578308] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.586146] Exception stack(0xc6d11fa8 to 0xc6d11ff0) # [ 90.591472] 1fa0: 00000016 00000016 00000001 b6dcb000 00000016 00000000 # [ 90.599922] 1fc0: 00000016 00000016 b6f12e00 00000004 00000001 00000000 00020000 be8c0ac4 # [ 90.608369] 1fe0: 00000004 be8c07f8 b6e7cd8f b6e037e6 # [ 90.613747] irq event stamp: 0 # [ 90.617086] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.622982] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.630801] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.638570] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.644465] ---[ end trace c25e2e226ccb703a ]--- # [ 90.649363] 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>[ 91.224052] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 91.231253] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 91.237907] ------------[ cut here ]------------ <4>[ 91.242899] WARNING: CPU: 0 PID: 2847 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 91.251740] refcount_t: underflow; use-after-free. <4>[ 91.256808] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.286400] CPU: 0 PID: 2847 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 91.294414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.301209] Backtrace: <4>[ 91.303947] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.311791] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.317729] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.325319] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.332557] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 <4>[ 91.340573] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.348326] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a12000 <4>[ 91.354262] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 91.363582] r9:c1ad5f48 r8:c15ebd54 r7:c6a13f60 r6:0000001f r5:00000000 r4:c6a12000 <4>[ 91.371605] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 91.382322] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 91.394247] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.404429] r5:c5e00000 r4:00000031 <4>[ 91.408278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.416562] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.424751] r9:c6a13f60 r8:c517a780 r7:0000001f r6:b6ea1000 r5:c5f87cc0 r4:c0c588c8 <4>[ 91.432775] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.440878] r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6ea1000 r5:c5f87cc0 r4:00000000 <4>[ 91.448895] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.456305] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6a12000 r5:c5f87cc0 <4>[ 91.464401] r4:c5f87cc0 <4>[ 91.467209] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.474617] r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:0000001f r4:0000001f <4>[ 91.482636] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.490475] Exception stack(0xc6a13fa8 to 0xc6a13ff0) <4>[ 91.495800] 3fa0: 0000001f 0000001f 00000001 b6ea1000 0000001f 00000000 <4>[ 91.504251] 3fc0: 0000001f 0000001f b6fe8e00 00000004 00000001 00000000 00020000 bed63ac4 <4>[ 91.512697] 3fe0: 00000004 bed637f8 b6f52d8f b6ed97e6 <4>[ 91.518093] irq event stamp: 0 <4>[ 91.521461] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.527318] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.535130] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.544157] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.550068] ---[ end trace c25e2e226ccb703b ]--- <6>[ 91.554962] lkdtm: Negative detected: saturated # [ 91.224052] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 91.231253] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 91.237907] ------------[ cut here ]------------ # [ 91.242899] WARNING: CPU: 0 PID: 2847 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.251740] refcount_t: underflow; use-after-free. # [ 91.256808] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.286400] CPU: 0 PID: 2847 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 91.294414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.301209] Backtrace: # [ 91.303947] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.311791] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.317729] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.325319] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.332557] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 # [ 91.340573] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.348326] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a12000 # [ 91.354262] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.363582] r9:c1ad5f48 r8:c15ebd54 r7:c6a13f60 r6:0000001f r5:00000000 r4:c6a12000 # [ 91.371605] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.382322] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 91.394247] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.404429] r5:c5e00000 r4:00000031 # [ 91.408278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.416562] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.424751] r9:c6a13f60 r8:c517a780 r7:0000001f r6:b6ea1000 r5:c5f87cc0 r4:c0c588c8 # [ 91.432775] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.440878] r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6ea1000 r5:c5f87cc0 r4:00000000 # [ 91.448895] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.456305] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6a12000 r5:c5f87cc0 # [ 91.464401] r4:c5f87cc0 # [ 91.467209] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.474617] r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:0000001f r4:0000001f # [ 91.482636] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.490475] Exception stack(0xc6a13fa8 to 0xc6a13ff0) # [ 91.495800] 3fa0: 0000001f 0000001f 00000001 b6ea1000 0000001f 00000000 # [ 91.504251] 3fc0: 0000001f 0000001f b6fe8e00 00000004 00000001 00000000 00020000 bed63ac4 # [ 91.512697] 3fe0: 00000004 bed637f8 b6f52d8f b6ed97e6 # [ 91.518093] irq event stamp: 0 # [ 91.521461] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.527318] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.535130] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.544157] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.550068] ---[ end trace c25e2e226ccb703b ]--- # [ 91.554962] 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>[ 92.143174] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 92.150383] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 92.157035] ------------[ cut here ]------------ <4>[ 92.162006] WARNING: CPU: 3 PID: 2883 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 92.170869] refcount_t: underflow; use-after-free. <4>[ 92.175936] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.205425] CPU: 3 PID: 2883 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 92.213440] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.220237] Backtrace: <4>[ 92.222974] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.230819] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.236757] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.244346] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.251583] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 <4>[ 92.259603] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.267358] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c43cc000 <4>[ 92.273295] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 92.282615] r9:c1ad5f68 r8:c15ebd54 r7:c43cdf60 r6:0000001f r5:c6bf3000 r4:c43cc000 <4>[ 92.290639] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 92.301356] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 92.313282] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.323462] r4:00000032 <4>[ 92.326269] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.334554] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.342744] r9:c43cdf60 r8:c517a780 r7:0000001f r6:b6dc0000 r5:c41f6dc0 r4:c0c588c8 <4>[ 92.350769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.358873] r9:c07e20b8 r8:c43cdf60 r7:c290d000 r6:b6dc0000 r5:c41f6dc0 r4:00000000 <4>[ 92.366890] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.374298] r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c43cc000 r5:c41f6dc0 <4>[ 92.382394] r4:c41f6dc0 <4>[ 92.385202] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.392610] r9:c43cc000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:0000001f r4:0000001f <4>[ 92.400627] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.408467] Exception stack(0xc43cdfa8 to 0xc43cdff0) <4>[ 92.413792] dfa0: 0000001f 0000001f 00000001 b6dc0000 0000001f 00000000 <4>[ 92.422244] dfc0: 0000001f 0000001f b6f07e00 00000004 00000001 00000000 00020000 bec9eac4 <4>[ 92.430691] dfe0: 00000004 bec9e7f8 b6e71d8f b6df87e6 <4>[ 92.436086] irq event stamp: 0 <4>[ 92.439425] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.445317] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.453137] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.460970] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.466824] ---[ end trace c25e2e226ccb703c ]--- <6>[ 92.471752] lkdtm: Negative detected: saturated # [ 92.143174] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 92.150383] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 92.157035] ------------[ cut here ]------------ # [ 92.162006] WARNING: CPU: 3 PID: 2883 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 92.170869] refcount_t: underflow; use-after-free. # [ 92.175936] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.205425] CPU: 3 PID: 2883 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 92.213440] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.220237] Backtrace: # [ 92.222974] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.230819] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.236757] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.244346] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.251583] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 # [ 92.259603] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.267358] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c43cc000 # [ 92.273295] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 92.282615] r9:c1ad5f68 r8:c15ebd54 r7:c43cdf60 r6:0000001f r5:c6bf3000 r4:c43cc000 # [ 92.290639] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 92.301356] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 92.313282] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.323462] r4:00000032 # [ 92.326269] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.334554] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.342744] r9:c43cdf60 r8:c517a780 r7:0000001f r6:b6dc0000 r5:c41f6dc0 r4:c0c588c8 # [ 92.350769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.358873] r9:c07e20b8 r8:c43cdf60 r7:c290d000 r6:b6dc0000 r5:c41f6dc0 r4:00000000 # [ 92.366890] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.374298] r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c43cc000 r5:c41f6dc0 # [ 92.382394] r4:c41f6dc0 # [ 92.385202] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.392610] r9:c43cc000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:0000001f r4:0000001f # [ 92.400627] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.408467] Exception stack(0xc43cdfa8 to 0xc43cdff0) # [ 92.413792] dfa0: 0000001f 0000001f 00000001 b6dc0000 0000001f 00000000 # [ 92.422244] dfc0: 0000001f 0000001f b6f07e00 00000004 00000001 00000000 00020000 bec9eac4 # [ 92.430691] dfe0: 00000004 bec9e7f8 b6e71d8f b6df87e6 # [ 92.436086] irq event stamp: 0 # [ 92.439425] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.445317] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.453137] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.460970] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.466824] ---[ end trace c25e2e226ccb703c ]--- # [ 92.471752] 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>[ 93.026731] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 93.032882] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 93.039533] lkdtm: Good: zero detected <6>[ 93.043701] lkdtm: Correctly stayed at zero <6>[ 93.048182] lkdtm: attempting bad refcount_inc() from zero <4>[ 93.054104] ------------[ cut here ]------------ <4>[ 93.059049] WARNING: CPU: 0 PID: 2916 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 93.067952] refcount_t: addition on 0; use-after-free. <4>[ 93.073622] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.103474] CPU: 0 PID: 2916 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 93.111508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.118319] Backtrace: <4>[ 93.121085] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.128953] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 93.134913] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.142526] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.149784] r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4 <4>[ 93.157825] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.165595] r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6a12000 <4>[ 93.171551] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 93.180891] r9:c1ad5f88 r8:c15ebd54 r7:c6a13f60 r6:00000012 r5:00000000 r4:c6a12000 <4>[ 93.188938] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 93.198897] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 93.208935] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.218004] r5:c5df6000 r4:00000033 <4>[ 93.221871] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.230178] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.238388] r9:c6a13f60 r8:c517a780 r7:00000012 r6:b6e0e000 r5:c4392780 r4:c0c588c8 <4>[ 93.246435] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.254558] r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e0e000 r5:c4392780 r4:00000000 <4>[ 93.262595] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.270022] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c6a12000 r5:c4392780 <4>[ 93.278133] r4:c4392780 <4>[ 93.280961] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.288388] r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000012 r4:00000012 <4>[ 93.296426] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.304279] Exception stack(0xc6a13fa8 to 0xc6a13ff0) <4>[ 93.309624] 3fa0: 00000012 00000012 00000001 b6e0e000 00000012 00000000 <4>[ 93.318094] 3fc0: 00000012 00000012 b6f55e00 00000004 00000001 00000000 00020000 bec6aac4 <4>[ 93.326556] 3fe0: 00000004 bec6a7f8 b6ebfd8f b6e467e6 <4>[ 93.332001] irq event stamp: 0 <4>[ 93.335371] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.341332] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.349125] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.356985] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.362924] ---[ end trace c25e2e226ccb703d ]--- <6>[ 93.367849] lkdtm: Zero detected: saturated # [ 93.026731] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 93.032882] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 93.039533] lkdtm: Good: zero detected # [ 93.043701] lkdtm: Correctly stayed at zero # [ 93.048182] lkdtm: attempting bad refcount_inc() from zero # [ 93.054104] ------------[ cut here ]------------ # [ 93.059049] WARNING: CPU: 0 PID: 2916 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 93.067952] refcount_t: addition on 0; use-after-free. # [ 93.073622] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.103474] CPU: 0 PID: 2916 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 93.111508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.118319] Backtrace: # [ 93.121085] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.128953] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 93.134913] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.142526] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.149784] r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4 # [ 93.157825] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.165595] r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6a12000 # [ 93.171551] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 93.180891] r9:c1ad5f88 r8:c15ebd54 r7:c6a13f60 r6:00000012 r5:00000000 r4:c6a12000 # [ 93.188938] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 93.198897] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 93.208935] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.218004] r5:c5df6000 r4:00000033 # [ 93.221871] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.230178] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.238388] r9:c6a13f60 r8:c517a780 r7:00000012 r6:b6e0e000 r5:c4392780 r4:c0c588c8 # [ 93.246435] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.254558] r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e0e000 r5:c4392780 r4:00000000 # [ 93.262595] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.270022] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c6a12000 r5:c4392780 # [ 93.278133] r4:c4392780 # [ 93.280961] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.288388] r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000012 r4:00000012 # [ 93.296426] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.304279] Exception stack(0xc6a13fa8 to 0xc6a13ff0) # [ 93.309624] 3fa0: 00000012 00000012 00000001 b6e0e000 00000012 00000000 # [ 93.318094] 3fc0: 00000012 00000012 b6f55e00 00000004 00000001 00000000 00020000 bec6aac4 # [ 93.326556] 3fe0: 00000004 bec6a7f8 b6ebfd8f b6e467e6 # [ 93.332001] irq event stamp: 0 # [ 93.335371] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.341332] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.349125] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.356985] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.362924] ---[ end trace c25e2e226ccb703d ]--- # [ 93.367849] 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>[ 93.986199] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 93.992277] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 93.998930] lkdtm: Good: zero detected <6>[ 94.003019] lkdtm: Correctly stayed at zero <6>[ 94.007478] lkdtm: attempting bad refcount_add() from zero <4>[ 94.013297] ------------[ cut here ]------------ <4>[ 94.018207] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 94.027056] refcount_t: addition on 0; use-after-free. <4>[ 94.032598] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.062088] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 94.070101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.076897] Backtrace: <4>[ 94.079633] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.087477] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 94.093416] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.101007] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.108244] r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4 <4>[ 94.116262] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.124016] r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6ae6000 <4>[ 94.129951] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 94.139270] r9:c1ad5f9c r8:c15ebd54 r7:c6ae7f60 r6:00000012 r5:00000000 r4:c6ae6000 <4>[ 94.147291] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 94.157226] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 94.167243] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.176297] r5:c454e000 r4:00000034 <4>[ 94.180147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.188431] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.196623] r9:c6ae7f60 r8:c517a780 r7:00000012 r6:b6dd4000 r5:c5f18a00 r4:c0c588c8 <4>[ 94.204646] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.212751] r9:c07e20b8 r8:c6ae7f60 r7:c290d000 r6:b6dd4000 r5:c5f18a00 r4:00000000 <4>[ 94.220769] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.228176] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ae6000 r5:c5f18a00 <4>[ 94.236274] r4:c5f18a00 <4>[ 94.239082] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.246490] r9:c6ae6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000012 r4:00000012 <4>[ 94.254510] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.262348] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0) <4>[ 94.267675] 7fa0: 00000012 00000012 00000001 b6dd4000 00000012 00000000 <4>[ 94.276127] 7fc0: 00000012 00000012 b6f1be00 00000004 00000001 00000000 00020000 beeccac4 <4>[ 94.284575] 7fe0: 00000004 beecc7f8 b6e85d8f b6e0c7e6 <4>[ 94.289987] irq event stamp: 0 <4>[ 94.293330] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.299186] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.306979] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.314772] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.320649] ---[ end trace c25e2e226ccb703e ]--- <6>[ 94.325544] lkdtm: Zero detected: saturated # [ 93.986199] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 93.992277] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 93.998930] lkdtm: Good: zero detected # [ 94.003019] lkdtm: Correctly stayed at zero # [ 94.007478] lkdtm: attempting bad refcount_add() from zero # [ 94.013297] ------------[ cut here ]------------ # [ 94.018207] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 94.027056] refcount_t: addition on 0; use-after-free. # [ 94.032598] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.062088] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 94.070101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.076897] Backtrace: # [ 94.079633] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.087477] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 94.093416] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.101007] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.108244] r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4 # [ 94.116262] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.124016] r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6ae6000 # [ 94.129951] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 94.139270] r9:c1ad5f9c r8:c15ebd54 r7:c6ae7f60 r6:00000012 r5:00000000 r4:c6ae6000 # [ 94.147291] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 94.157226] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 94.167243] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.176297] r5:c454e000 r4:00000034 # [ 94.180147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.188431] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.196623] r9:c6ae7f60 r8:c517a780 r7:00000012 r6:b6dd4000 r5:c5f18a00 r4:c0c588c8 # [ 94.204646] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.212751] r9:c07e20b8 r8:c6ae7f60 r7:c290d000 r6:b6dd4000 r5:c5f18a00 r4:00000000 # [ 94.220769] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.228176] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ae6000 r5:c5f18a00 # [ 94.236274] r4:c5f18a00 # [ 94.239082] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.246490] r9:c6ae6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000012 r4:00000012 # [ 94.254510] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.262348] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0) # [ 94.267675] 7fa0: 00000012 00000012 00000001 b6dd4000 00000012 00000000 # [ 94.276127] 7fc0: 00000012 00000012 b6f1be00 00000004 00000001 00000000 00020000 beeccac4 # [ 94.284575] 7fe0: 00000004 beecc7f8 b6e85d8f b6e0c7e6 # [ 94.289987] irq event stamp: 0 # [ 94.293330] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.299186] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.306979] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.314772] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.320649] ---[ end trace c25e2e226ccb703e ]--- # [ 94.325544] 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>[ 94.927052] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 94.933586] lkdtm: attempting bad refcount_inc() from saturated <4>[ 94.939925] ------------[ cut here ]------------ <4>[ 94.944861] WARNING: CPU: 3 PID: 2989 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 94.953634] refcount_t: saturated; leaking memory. <4>[ 94.958700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.988242] CPU: 3 PID: 2989 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 94.996258] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.003054] Backtrace: <4>[ 95.005788] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.013632] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 95.019572] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.027162] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.034399] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 <4>[ 95.042417] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.050172] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000 <4>[ 95.056107] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 95.065339] r9:c1ad5fb0 r8:c15ebd54 r7:c68d1f60 r6:00000017 r5:c6a98000 r4:c68d0000 <4>[ 95.073362] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 95.083296] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 95.093746] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.103232] r4:00000035 <4>[ 95.106040] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.114325] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.122514] r9:c68d1f60 r8:c517a780 r7:00000017 r6:b6de0000 r5:c41f72c0 r4:c0c588c8 <4>[ 95.130540] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.138642] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6de0000 r5:c41f72c0 r4:00000000 <4>[ 95.146661] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.154069] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c68d0000 r5:c41f72c0 <4>[ 95.162165] r4:c41f72c0 <4>[ 95.164973] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.172381] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:00000017 r4:00000017 <4>[ 95.180401] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.188239] Exception stack(0xc68d1fa8 to 0xc68d1ff0) <4>[ 95.193564] 1fa0: 00000017 00000017 00000001 b6de0000 00000017 00000000 <4>[ 95.202014] 1fc0: 00000017 00000017 b6f27e00 00000004 00000001 00000000 00020000 beefaac4 <4>[ 95.210463] 1fe0: 00000004 beefa7f8 b6e91d8f b6e187e6 <4>[ 95.215856] irq event stamp: 0 <4>[ 95.219200] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.225099] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.232905] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.240708] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.246556] ---[ end trace c25e2e226ccb703f ]--- <6>[ 95.251488] lkdtm: Saturation detected: still saturated # [ 94.927052] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 94.933586] lkdtm: attempting bad refcount_inc() from saturated # [ 94.939925] ------------[ cut here ]------------ # [ 94.944861] WARNING: CPU: 3 PID: 2989 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 94.953634] refcount_t: saturated; leaking memory. # [ 94.958700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.988242] CPU: 3 PID: 2989 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 94.996258] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.003054] Backtrace: # [ 95.005788] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.013632] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.019572] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.027162] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.034399] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 # [ 95.042417] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.050172] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000 # [ 95.056107] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 95.065339] r9:c1ad5fb0 r8:c15ebd54 r7:c68d1f60 r6:00000017 r5:c6a98000 r4:c68d0000 # [ 95.073362] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 95.083296] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 95.093746] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.103232] r4:00000035 # [ 95.106040] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.114325] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.122514] r9:c68d1f60 r8:c517a780 r7:00000017 r6:b6de0000 r5:c41f72c0 r4:c0c588c8 # [ 95.130540] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.138642] r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6de0000 r5:c41f72c0 r4:00000000 # [ 95.146661] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.154069] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c68d0000 r5:c41f72c0 # [ 95.162165] r4:c41f72c0 # [ 95.164973] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.172381] r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:00000017 r4:00000017 # [ 95.180401] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.188239] Exception stack(0xc68d1fa8 to 0xc68d1ff0) # [ 95.193564] 1fa0: 00000017 00000017 00000001 b6de0000 00000017 00000000 # [ 95.202014] 1fc0: 00000017 00000017 b6f27e00 00000004 00000001 00000000 00020000 beefaac4 # [ 95.210463] 1fe0: 00000004 beefa7f8 b6e91d8f b6e187e6 # [ 95.215856] irq event stamp: 0 # [ 95.219200] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.225099] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.232905] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.240708] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.246556] ---[ end trace c25e2e226ccb703f ]--- # [ 95.251488] 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>[ 95.847453] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 95.853918] lkdtm: attempting bad refcount_dec() from saturated <4>[ 95.860171] ------------[ cut here ]------------ <4>[ 95.865085] WARNING: CPU: 0 PID: 3025 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 95.873844] refcount_t: decrement hit 0; leaking memory. <4>[ 95.879433] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 95.909075] CPU: 0 PID: 3025 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 95.917089] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.923887] Backtrace: <4>[ 95.926623] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.934467] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 95.940405] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.947994] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.955231] r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4 <4>[ 95.963250] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.971005] r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c686c000 <4>[ 95.976942] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 95.986174] r9:c1ad5fc8 r8:c15ebd54 r7:c686df60 r6:00000017 r5:c411b000 r4:c686c000 <4>[ 95.994198] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 96.004129] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 96.014581] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.024067] r4:00000036 <4>[ 96.026875] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.035160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.043350] r9:c686df60 r8:c517a780 r7:00000017 r6:b6deb000 r5:c5f19cc0 r4:c0c588c8 <4>[ 96.051373] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.059476] r9:c07e20b8 r8:c686df60 r7:c290d000 r6:b6deb000 r5:c5f19cc0 r4:00000000 <4>[ 96.067493] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.074901] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c686c000 r5:c5f19cc0 <4>[ 96.082997] r4:c5f19cc0 <4>[ 96.085805] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.093213] r9:c686c000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017 <4>[ 96.101233] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.109071] Exception stack(0xc686dfa8 to 0xc686dff0) <4>[ 96.114396] dfa0: 00000017 00000017 00000001 b6deb000 00000017 00000000 <4>[ 96.122849] dfc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 befc0ac4 <4>[ 96.131294] dfe0: 00000004 befc07f8 b6e9cd8f b6e237e6 <4>[ 96.136702] irq event stamp: 0 <4>[ 96.140074] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.145934] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.153755] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.162872] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.169537] ---[ end trace c25e2e226ccb7040 ]--- <6>[ 96.174493] lkdtm: Saturation detected: still saturated # [ 95.847453] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 95.853918] lkdtm: attempting bad refcount_dec() from saturated # [ 95.860171] ------------[ cut here ]------------ # [ 95.865085] WARNING: CPU: 0 PID: 3025 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 95.873844] refcount_t: decrement hit 0; leaking memory. # [ 95.879433] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.909075] CPU: 0 PID: 3025 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 95.917089] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.923887] Backtrace: # [ 95.926623] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.934467] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.940405] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.947994] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.955231] r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4 # [ 95.963250] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.971005] r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c686c000 # [ 95.976942] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 95.986174] r9:c1ad5fc8 r8:c15ebd54 r7:c686df60 r6:00000017 r5:c411b000 r4:c686c000 # [ 95.994198] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 96.004129] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 96.014581] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.024067] r4:00000036 # [ 96.026875] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.035160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.043350] r9:c686df60 r8:c517a780 r7:00000017 r6:b6deb000 r5:c5f19cc0 r4:c0c588c8 # [ 96.051373] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.059476] r9:c07e20b8 r8:c686df60 r7:c290d000 r6:b6deb000 r5:c5f19cc0 r4:00000000 # [ 96.067493] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.074901] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c686c000 r5:c5f19cc0 # [ 96.082997] r4:c5f19cc0 # [ 96.085805] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.093213] r9:c686c000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017 # [ 96.101233] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.109071] Exception stack(0xc686dfa8 to 0xc686dff0) # [ 96.114396] dfa0: 00000017 00000017 00000001 b6deb000 00000017 00000000 # [ 96.122849] dfc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 befc0ac4 # [ 96.131294] dfe0: 00000004 befc07f8 b6e9cd8f b6e237e6 # [ 96.136702] irq event stamp: 0 # [ 96.140074] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.145934] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.153755] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.162872] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.169537] ---[ end trace c25e2e226ccb7040 ]--- # [ 96.174493] 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>[ 96.788414] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 96.794958] lkdtm: attempting bad refcount_dec() from saturated <4>[ 96.801265] ------------[ cut here ]------------ <4>[ 96.806211] WARNING: CPU: 3 PID: 3061 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 96.814999] refcount_t: saturated; leaking memory. <4>[ 96.820103] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 96.849589] CPU: 3 PID: 3061 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 96.857603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.864398] Backtrace: <4>[ 96.867135] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.874977] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.880914] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.888502] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.895740] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 <4>[ 96.903760] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.911516] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c681c000 <4>[ 96.917452] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 96.926685] r9:c1ad5fe0 r8:c15ebd54 r7:c681df60 r6:00000017 r5:c5f42000 r4:c681c000 <4>[ 96.934708] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 96.944644] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 96.955094] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.964581] r4:00000037 <4>[ 96.967389] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.975674] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.983865] r9:c681df60 r8:c517a780 r7:00000017 r6:b6e54000 r5:c68eb2c0 r4:c0c588c8 <4>[ 96.991890] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.999992] r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e54000 r5:c68eb2c0 r4:00000000 <4>[ 97.008010] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.015418] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c681c000 r5:c68eb2c0 <4>[ 97.023513] r4:c68eb2c0 <4>[ 97.026323] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.033732] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000017 r4:00000017 <4>[ 97.041751] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.049590] Exception stack(0xc681dfa8 to 0xc681dff0) <4>[ 97.054915] dfa0: 00000017 00000017 00000001 b6e54000 00000017 00000000 <4>[ 97.063367] dfc0: 00000017 00000017 b6f9be00 00000004 00000001 00000000 00020000 be806ac4 <4>[ 97.071815] dfe0: 00000004 be8067f8 b6f05d8f b6e8c7e6 <4>[ 97.077238] irq event stamp: 0 <4>[ 97.080612] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.086471] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.094290] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.102146] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.108005] ---[ end trace c25e2e226ccb7041 ]--- <6>[ 97.112939] lkdtm: Saturation detected: still saturated # [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] # [ 0.000000] Movable zone start for each node # [ 0.000000] Early memory node ranges # [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] # [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] # [ 0.000000] On node 0 totalpages: 262144 # [ 0.000000] DMA zone: 1536 pages used for memmap # [ 0.000000] DMA zone: 0 pages reserved # [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 # [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8144K rodata, 2048K init, 6693K bss, 61564K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56146 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 96.788414] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 96.794958] lkdtm: attempting bad refcount_dec() from saturated # [ 96.801265] ------------[ cut here ]------------ # [ 96.806211] WARNING: CPU: 3 PID: 3061 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 96.814999] refcount_t: saturated; leaking memory. # [ 96.820103] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.849589] CPU: 3 PID: 3061 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 96.857603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.864398] Backtrace: # [ 96.867135] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.874977] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.880914] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.888502] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.895740] r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4 # [ 96.903760] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.911516] r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c681c000 # [ 96.917452] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 96.926685] r9:c1ad5fe0 r8:c15ebd54 r7:c681df60 r6:00000017 r5:c5f42000 r4:c681c000 # [ 96.934708] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 96.944644] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 96.955094] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.964581] r4:00000037 # [ 96.967389] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.975674] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.983865] r9:c681df60 r8:c517a780 r7:00000017 r6:b6e54000 r5:c68eb2c0 r4:c0c588c8 # [ 96.991890] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.999992] r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e54000 r5:c68eb2c0 r4:00000000 # [ 97.008010] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.015418] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c681c000 r5:c68eb2c0 # [ 97.023513] r4:c68eb2c0 # [ 97.026323] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.033732] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000017 r4:00000017 # [ 97.041751] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.049590] Exception stack(0xc681dfa8 to 0xc681dff0) # [ 97.054915] dfa0: 00000017 00000017 00000001 b6e54000 00000017 00000000 # [ 97.063367] dfc0: 00000017 00000017 b6f9be00 00000004 00000001 00000000 00020000 be806ac4 # [ 97.071815] dfe0: 00000004 be8067f8 b6f05d8f b6e8c7e6 # [ 97.077238] irq event stamp: 0 # [ 97.080612] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.086471] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.094290] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.102146] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.108005] ---[ end trace c25e2e226ccb7041 ]--- # [ 97.112939] lkdt<6>[ 97.742438] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED m: Saturation detected: still sat<6>[ 97.749992] lkdtm: attempting bad refcount_inc_not_zero() from saturated urated # REFCOUNT_ADD_SATURATED:<4>[ 97.759901] ------------[ cut here ]------------ saw 'Saturation detected: still <4>[ 97.767514] WARNING: CPU: 3 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 saturated': ok ok 54 selftests: <4>[ 97.779105] refcount_t: saturated; leaking memory. lkdtm: REFCOUNT_ADD_SATURATED.sh <4>[ 97.786992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # selftests: lkdtm: REFCOUNT_INC<4>[ 97.818969] CPU: 3 PID: 3094 Comm: cat Tainted: G D W 5.10.212-cip44 #1 _NOT_ZERO_SAR[A T E D9.7s.h829781] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.838477] Backtrace: <4>[ 97.841285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.849128] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 97.855067] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.862657] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.869895] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 <4>[ 97.877913] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.885666] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6cfe000 <4>[ 97.891602] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 97.900834] r9:c1ad5ff8 r8:c15ebd54 r7:c6cfff60 r6:00000020 r5:c6a98000 r4:c0000000 <4>[ 97.908860] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 97.919573] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 97.931579] r5:c6a98000 r4:c6cfe000 <4>[ 97.935438] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.945706] r4:00000038 <4>[ 97.948516] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.956802] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.964992] r9:c6cfff60 r8:c517a780 r7:00000020 r6:b6de2000 r5:c41f6b40 r4:c0c588c8 <4>[ 97.973017] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.981122] r9:c07e20b8 r8:c6cfff60 r7:c290d000 r6:b6de2000 r5:c41f6b40 r4:00000000 <4>[ 97.989142] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.996551] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c6cfe000 r5:c41f6b40 <4>[ 98.004646] r4:c41f6b40 <4>[ 98.007455] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.014864] r9:c6cfe000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000020 r4:00000020 <4>[ 98.022883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.030721] Exception stack(0xc6cfffa8 to 0xc6cffff0) <4>[ 98.036047] ffa0: 00000020 00000020 00000001 b6de2000 00000020 00000000 <4>[ 98.044499] ffc0: 00000020 00000020 b6f29e00 00000004 00000001 00000000 00020000 beaaeac4 <4>[ 98.052946] ffe0: 00000004 beaae7f8 b6e93d8f b6e1a7e6 <4>[ 98.058344] irq event stamp: 0 <4>[ 98.061786] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.067650] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 98.075460] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 98.083257] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.089108] ---[ end trace c25e2e226ccb7042 ]--- <6>[ 98.094049] lkdtm: Saturation detected: still saturated # [ 97.742438] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 97.749992] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 97.759901] ------------[ cut here ]------------ # [ 97.767514] WARNING: CPU: 3 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 97.779105] refcount_t: saturated; leaking memory. # [ 97.786992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.818969] CPU: 3 PID: 3094 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 97.829781] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.838477] Backtrace: # [ 97.841285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.849128] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 97.855067] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.862657] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.869895] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 # [ 97.877913] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.885666] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6cfe000 # [ 97.891602] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 97.900834] r9:c1ad5ff8 r8:c15ebd54 r7:c6cfff60 r6:00000020 r5:c6a98000 r4:c0000000 # [ 97.908860] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 97.919573] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 97.931579] r5:c6a98000 r4:c6cfe000 # [ 97.935438] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.945706] r4:00000038 # [ 97.948516] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.956802] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.964992] r9:c6cfff60 r8:c517a780 r7:00000020 r6:b6de2000 r5:c41f6b40 r4:c0c588c8 # [ 97.973017] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.981122] r9:c07e20b8 r8:c6cfff60 r7:c290d000 r6:b6de2000 r5:c41f6b40 r4:00000000 # [ 97.989142] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.996551] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c6cfe000 r5:c41f6b40 # [ 98.004646] r4:c41f6b40 # [ 98.007455] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.014864] r9:c6cfe000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000020 r4:00000020 # [ 98.022883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.030721] Exception stack(0xc6cfffa8 to 0xc6cffff0) # [ 98.036047] ffa0: 00000020 00000020 00000001 b6de2000 00000020 00000000 # [ 98.044499] ffc0: 00000020 00000020 b6f29e00 00000004 00000001 00000000 00020000 beaaeac4 # [ 98.052946] ffe0: 00000004 beaae7f8 b6e93d8f b6e1a7e6 # [ 98.058344] irq event stamp: 0 # [ 98.061786] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.067650] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.075460] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.083257] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.089108] ---[ end trace c25e2e226ccb7042 ]--- # [ 98.094049] 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>[ 98.715783] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 98.723017] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 98.730039] ------------[ cut here ]------------ <4>[ 98.734951] WARNING: CPU: 0 PID: 3129 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 98.743714] refcount_t: saturated; leaking memory. <4>[ 98.748780] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 98.778385] CPU: 0 PID: 3129 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 98.786400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.793197] Backtrace: <4>[ 98.795935] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.803780] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 98.809716] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.817307] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.824543] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 <4>[ 98.832562] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.840316] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6a6c000 <4>[ 98.846252] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 98.855487] r9:c1ad6018 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c41b9000 r4:c0000000 <4>[ 98.863512] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 98.874227] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 98.886233] r5:c41b9000 r4:c6a6c000 <4>[ 98.890090] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.900359] r4:00000039 <4>[ 98.903169] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.911454] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.919645] r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6dd3000 r5:c5f19e00 r4:c0c588c8 <4>[ 98.927669] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 98.935774] r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6dd3000 r5:c5f19e00 r4:00000000 <4>[ 98.943792] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.951202] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a6c000 r5:c5f19e00 <4>[ 98.959299] r4:c5f19e00 <4>[ 98.962106] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.969515] r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000020 r4:00000020 <4>[ 98.977535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.985372] Exception stack(0xc6a6dfa8 to 0xc6a6dff0) <4>[ 98.990699] dfa0: 00000020 00000020 00000001 b6dd3000 00000020 00000000 <4>[ 98.999148] dfc0: 00000020 00000020 b6f1ae00 00000004 00000001 00000000 00020000 be883ac4 <4>[ 99.007594] dfe0: 00000004 be8837f8 b6e84d8f b6e0b7e6 <4>[ 99.012986] irq event stamp: 0 <4>[ 99.016325] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.022220] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 99.030243] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 99.038098] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.043990] ---[ end trace c25e2e226ccb7043 ]--- <6>[ 99.048887] lkdtm: Saturation detected: still saturated # [ 98.715783] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 98.723017] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 98.730039] ------------[ cut here ]------------ # [ 98.734951] WARNING: CPU: 0 PID: 3129 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.743714] refcount_t: saturated; leaking memory. # [ 98.748780] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.778385] CPU: 0 PID: 3129 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 98.786400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.793197] Backtrace: # [ 98.795935] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.803780] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 98.809716] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.817307] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.824543] r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4 # [ 98.832562] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.840316] r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6a6c000 # [ 98.846252] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 98.855487] r9:c1ad6018 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c41b9000 r4:c0000000 # [ 98.863512] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 98.874227] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 98.886233] r5:c41b9000 r4:c6a6c000 # [ 98.890090] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.900359] r4:00000039 # [ 98.903169] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.911454] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.919645] r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6dd3000 r5:c5f19e00 r4:c0c588c8 # [ 98.927669] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.935774] r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6dd3000 r5:c5f19e00 r4:00000000 # [ 98.943792] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.951202] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a6c000 r5:c5f19e00 # [ 98.959299] r4:c5f19e00 # [ 98.962106] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.969515] r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000020 r4:00000020 # [ 98.977535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.985372] Exception stack(0xc6a6dfa8 to 0xc6a6dff0) # [ 98.990699] dfa0: 00000020 00000020 00000001 b6dd3000 00000020 00000000 # [ 98.999148] dfc0: 00000020 00000020 b6f1ae00 00000004 00000001 00000000 00020000 be883ac4 # [ 99.007594] dfe0: 00000004 be8837f8 b6e84d8f b6e0b7e6 # [ 99.012986] irq event stamp: 0 # [ 99.016325] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.022220] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 99.030243] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 99.038098] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.043990] ---[ end trace c25e2e226ccb7043 ]--- # [ 99.048887] 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>[ 99.702106] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 99.709268] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 99.716315] ------------[ cut here ]------------ <4>[ 99.721293] WARNING: CPU: 0 PID: 3167 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 99.730144] refcount_t: underflow; use-after-free. <4>[ 99.735209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 99.764809] CPU: 0 PID: 3167 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 99.772824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.779620] Backtrace: <4>[ 99.782358] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.790204] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 99.796144] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.803734] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.810970] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 <4>[ 99.818989] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.826743] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a6c000 <4>[ 99.832678] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 99.842000] r9:c1ad6038 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c2c93000 r4:c6a6c000 <4>[ 99.850026] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 99.860744] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 99.872759] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.883028] r4:0000003a <4>[ 99.885836] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.894122] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.902314] r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6e3b000 r5:c4128000 r4:c0c588c8 <4>[ 99.910340] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.918444] r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6e3b000 r5:c4128000 r4:00000000 <4>[ 99.926460] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.933869] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c6a6c000 r5:c4128000 <4>[ 99.941966] r4:c4128000 <4>[ 99.944775] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.952184] r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020 <4>[ 99.960204] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.968044] Exception stack(0xc6a6dfa8 to 0xc6a6dff0) <4>[ 99.973371] dfa0: 00000020 00000020 00000001 b6e3b000 00000020 00000000 <4>[ 99.981821] dfc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb65ac4 <4>[ 99.990267] dfe0: 00000004 beb657f8 b6eecd8f b6e737e6 <4>[ 99.995657] irq event stamp: 0 <4>[ 99.999005] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.004898] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.012991] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.022120] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.027977] ---[ end trace c25e2e226ccb7044 ]--- <6>[ 100.032911] lkdtm: Saturation detected: still saturated # [ 99.702106] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 99.709268] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 99.716315] ------------[ cut here ]------------ # [ 99.721293] WARNING: CPU: 0 PID: 3167 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 99.730144] refcount_t: underflow; use-after-free. # [ 99.735209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.764809] CPU: 0 PID: 3167 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 99.772824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.779620] Backtrace: # [ 99.782358] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.790204] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 99.796144] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.803734] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.810970] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 # [ 99.818989] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.826743] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a6c000 # [ 99.832678] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 99.842000] r9:c1ad6038 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c2c93000 r4:c6a6c000 # [ 99.850026] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 99.860744] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 99.872759] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.883028] r4:0000003a # [ 99.885836] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.894122] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.902314] r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6e3b000 r5:c4128000 r4:c0c588c8 # [ 99.910340] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.918444] r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6e3b000 r5:c4128000 r4:00000000 # [ 99.926460] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.933869] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c6a6c000 r5:c4128000 # [ 99.941966] r4:c4128000 # [ 99.944775] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.952184] r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020 # [ 99.960204] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.968044] Exception stack(0xc6a6dfa8 to 0xc6a6dff0) # [ 99.973371] dfa0: 00000020 00000020 00000001 b6e3b000 00000020 00000000 # [ 99.981821] dfc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb65ac4 # [ 99.990267] dfe0: 00000004 beb657f8 b6eecd8f b6e737e6 # [ 99.995657] irq event stamp: 0 # [ 99.999005] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.004898] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.012991] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.022120] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.027977] ---[ end trace c25e2e226ccb7044 ]--- # [ 100.032911] 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>[ 100.671853] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 100.679014] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 100.686053] ------------[ cut here ]------------ <4>[ 100.691030] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 100.699870] refcount_t: underflow; use-after-free. <4>[ 100.704937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 100.734442] CPU: 3 PID: 3203 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 100.742457] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.749255] Backtrace: <4>[ 100.751994] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.759839] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 100.765778] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.773368] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.780606] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 <4>[ 100.788626] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.796381] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c5f84000 <4>[ 100.802317] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 100.811636] r9:c1ad6058 r8:c15ebd54 r7:c5f85f60 r6:00000020 r5:c5e07000 r4:c5f84000 <4>[ 100.819661] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 100.830381] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 100.842397] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.852665] r4:0000003b <4>[ 100.855475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.863760] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.871951] r9:c5f85f60 r8:c517a780 r7:00000020 r6:b6e20000 r5:c68eb540 r4:c0c588c8 <4>[ 100.879976] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 100.888080] r9:c07e20b8 r8:c5f85f60 r7:c290d000 r6:b6e20000 r5:c68eb540 r4:00000000 <4>[ 100.896097] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.903507] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f84000 r5:c68eb540 <4>[ 100.911604] r4:c68eb540 <4>[ 100.914416] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.921825] r9:c5f84000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000020 r4:00000020 <4>[ 100.929843] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.937682] Exception stack(0xc5f85fa8 to 0xc5f85ff0) <4>[ 100.943006] 5fa0: 00000020 00000020 00000001 b6e20000 00000020 00000000 <4>[ 100.951457] 5fc0: 00000020 00000020 b6f67e00 00000004 00000001 00000000 00020000 be90aac4 <4>[ 100.959906] 5fe0: 00000004 be90a7f8 b6ed1d8f b6e587e6 <4>[ 100.965329] irq event stamp: 0 <4>[ 100.968675] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.974576] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.982382] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.990185] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.996033] ---[ end trace c25e2e226ccb7045 ]--- <6>[ 101.000962] lkdtm: Saturation detected: still saturated # [ 100.671853] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 100.679014] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 100.686053] ------------[ cut here ]------------ # [ 100.691030] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 100.699870] refcount_t: underflow; use-after-free. # [ 100.704937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.734442] CPU: 3 PID: 3203 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 100.742457] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.749255] Backtrace: # [ 100.751994] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.759839] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 100.765778] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.773368] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.780606] r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4 # [ 100.788626] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.796381] r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c5f84000 # [ 100.802317] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 100.811636] r9:c1ad6058 r8:c15ebd54 r7:c5f85f60 r6:00000020 r5:c5e07000 r4:c5f84000 # [ 100.819661] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 100.830381] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 100.842397] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.852665] r4:0000003b # [ 100.855475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.863760] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.871951] r9:c5f85f60 r8:c517a780 r7:00000020 r6:b6e20000 r5:c68eb540 r4:c0c588c8 # [ 100.879976] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.888080] r9:c07e20b8 r8:c5f85f60 r7:c290d000 r6:b6e20000 r5:c68eb540 r4:00000000 # [ 100.896097] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.903507] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f84000 r5:c68eb540 # [ 100.911604] r4:c68eb540 # [ 100.914416] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.921825] r9:c5f84000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000020 r4:00000020 # [ 100.929843] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.937682] Exception stack(0xc5f85fa8 to 0xc5f85ff0) # [ 100.943006] 5fa0: 00000020 00000020 00000001 b6e20000 00000020 00000000 # [ 100.951457] 5fc0: 00000020 00000020 b6f67e00 00000004 00000001 00000000 00020000 be90aac4 # [ 100.959906] 5fe0: 00000004 be90a7f8 b6ed1d8f b6e587e6 # [ 100.965329] irq event stamp: 0 # [ 100.968675] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.974576] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.982382] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.990185] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.996033] ---[ end trace c25e2e226ccb7045 ]--- # [ 101.000962] 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>[ 102.023340] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 102.029800] lkdtm: attempting good copy_to_user of correct size <6>[ 102.036098] lkdtm: attempting bad copy_to_user of too large size # [ 102.023340] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 102.029800] lkdtm: attempting good copy_to_user of correct size # [ 102.036098] 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>[ 102.589076] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 102.595633] lkdtm: attempting good copy_from_user of correct size <6>[ 102.602076] lkdtm: attempting bad copy_from_user of too large size # [ 102.589076] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 102.595633] lkdtm: attempting good copy_from_user of correct size # [ 102.602076] 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>[ 103.183998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 103.190836] lkdtm: attempting good copy_to_user inside whitelist <6>[ 103.197156] lkdtm: attempting bad copy_to_user outside whitelist # [ 103.183998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 103.190836] lkdtm: attempting good copy_to_user inside whitelist # [ 103.197156] 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>[ 103.744093] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 103.751117] lkdtm: attempting good copy_from_user inside whitelist <6>[ 103.757626] lkdtm: attempting bad copy_from_user outside whitelist # [ 103.744093] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 103.751117] lkdtm: attempting good copy_from_user inside whitelist # [ 103.757626] 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>[ 104.319980] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 104.326482] lkdtm: good_stack: c6a9be0c-c6a9be2c <6>[ 104.331476] lkdtm: bad_stack : c6a9bd84-c6a9bda4 <6>[ 104.336387] lkdtm: attempting good copy_to_user of local stack <6>[ 104.342593] lkdtm: attempting bad copy_to_user of distant stack # [ 104.319980] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 104.326482] lkdtm: good_stack: c6a9be0c-c6a9be2c # [ 104.331476] lkdtm: bad_stack : c6a9bd84-c6a9bda4 # [ 104.336387] lkdtm: attempting good copy_to_user of local stack # [ 104.342593] 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>[ 104.919781] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 104.926461] lkdtm: good_stack: c683de0c-c683de2c <6>[ 104.931468] lkdtm: bad_stack : c683dd84-c683dda4 <6>[ 104.936412] lkdtm: attempting good copy_from_user of local stack <6>[ 104.942788] lkdtm: attempting bad copy_from_user of distant stack # [ 104.919781] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 104.926461] lkdtm: good_stack: c683de0c-c683de2c # [ 104.931468] lkdtm: bad_stack : c683dd84-c683dda4 # [ 104.936412] lkdtm: attempting good copy_from_user of local stack # [ 104.942788] 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>[ 105.504915] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 105.511314] lkdtm: good_stack: c45dfe0c-c45dfe2c <6>[ 105.516207] lkdtm: bad_stack : c45dfffc-c45e001c <6>[ 105.521162] lkdtm: attempting good copy_to_user of local stack <6>[ 105.527312] lkdtm: attempting bad copy_to_user of distant stack # [ 105.504915] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 105.511314] lkdtm: good_stack: c45dfe0c-c45dfe2c # [ 105.516207] lkdtm: bad_stack : c45dfffc-c45e001c # [ 105.521162] lkdtm: attempting good copy_to_user of local stack # [ 105.527312] 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>[ 106.102512] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 106.108334] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000 <6>[ 106.115858] lkdtm: attempting bad copy_to_user from kernel text: c053dda4 <3>[ 106.122996] lkdtm: FAIL: survived bad copy_to_user() # [ 106.102512] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 106.108334] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000 # [ 106.115858] lkdtm: attempting bad copy_to_user from kernel text: c053dda4 # [ 106.122996] 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>[ 106.699423] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 106.705498] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 106.712980] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 106.720248] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 106.726570] CPU: 2 PID: 3579 Comm: cat Tainted: G D W 5.10.212-cip44 #1 <4>[ 106.734584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 106.741379] Backtrace: <4>[ 106.744119] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 106.751963] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 106.757901] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 106.765494] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 106.774295] r9:c1ad6160 r8:c15ebd54 r7:c693df60 r6:c693de34 r5:c693c000 r4:0000078d <4>[ 106.782320] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 106.791379] r8:c15ebd54 r7:c693df60 r6:00000012 r5:c6cfa000 r4:00000046 <4>[ 106.798357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 106.806643] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 106.814835] r9:c693df60 r8:c517a780 r7:00000012 r6:b6e67000 r5:c4392f00 r4:c0c588c8 <4>[ 106.822860] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 106.830965] r9:c07e20b8 r8:c693df60 r7:c290d000 r6:b6e67000 r5:c4392f00 r4:00000000 <4>[ 106.838984] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 106.846395] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c693c000 r5:c4392f00 <4>[ 106.854491] r4:c4392f00 <4>[ 106.857299] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 106.864708] r9:c693c000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012 <4>[ 106.872728] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 106.880566] Exception stack(0xc693dfa8 to 0xc693dff0) <4>[ 106.885893] dfa0: 00000012 00000012 00000001 b6e67000 00000012 00000000 <4>[ 106.894343] dfc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 be9a4ac4 <4>[ 106.902790] dfe0: 00000004 be9a47f8 b6f18d8f b6e9f7e6 # [ 106.699423] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 106.705498] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 106.712980] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 106.720248] lkdtm: FAIL: the thread stack is NOT properly erased # [ 106.726570] CPU: 2 PID: 3579 Comm: cat Tainted: G D W 5.10.212-cip44 #1 # [ 106.734584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.741379] Backtrace: # [ 106.744119] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.751963] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 106.757901] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.765494] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 106.774295] r9:c1ad6160 r8:c15ebd54 r7:c693df60 r6:c693de34 r5:c693c000 r4:0000078d # [ 106.782320] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.791379] r8:c15ebd54 r7:c693df60 r6:00000012 r5:c6cfa000 r4:00000046 # [ 106.798357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.806643] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.814835] r9:c693df60 r8:c517a780 r7:00000012 r6:b6e67000 r5:c4392f00 r4:c0c588c8 # [ 106.822860] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 106.830965] r9:c07e20b8 r8:c693df60 r7:c290d000 r6:b6e67000 r5:c4392f00 r4:00000000 # [ 106.838984] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.846395] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c693c000 r5:c4392f00 # [ 106.854491] r4:c4392f00 # [ 106.857299] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.864708] r9:c693c000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012 # [ 106.872728] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.880566] Exception stack(0xc693dfa8 to 0xc693dff0) # [ 106.885893] dfa0: 00000012 00000012 00000001 b6e67000 00000012 00000000 # [ 106.894343] dfc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 be9a4ac4 # [ 106.902790] dfe0: 00000004 be9a47f8 b6f18d8f b6e9f7e6 # 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>[ 107.479993] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 107.485964] lkdtm: Calling matched prototype ... <6>[ 107.490917] lkdtm: Calling mismatched prototype ... <6>[ 107.496071] lkdtm: Fail: survived mismatched prototype function call! # [ 107.479993] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 107.485964] lkdtm: Calling matched prototype ... # [ 107.490917] lkdtm: Calling mismatched prototype ... # [ 107.496071] 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-12965456/0/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 / #