[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.35 (993 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12837732/tftp-deploy-r_nep8xo/kernel/zImage tftp 0x10000000 12837732/tftp-deploy-r_nep8xo/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '12837732/tftp-deploy-r_nep8xo/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 14.1 MiB/s done Bytes transferred = 12554752 (bf9200 hex) => tftp 0x14000000 12837732/tftp-deploy-r_nep8xo/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12837732/tftp-deploy-r_nep8xo/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '12837732/tftp-deploy-r_nep8xo/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ##### 14.2 MiB/s done Bytes transferred = 15336342 (ea0396 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12837732/tftp-deploy-r_nep8xo/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12837732/tftp-deploy-r_nep8xo/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '12837732/tftp-deploy-r_nep8xo/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.8 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/12837732/extract-nfsrootfs-psmcl9_i,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/12837732/extract-nfsrootfs-psmcl9_i,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf9200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15336278 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 5.10.210-cip44 (KernelCI@build-j118011-arm-gcc-10-multi-v7-defconfig-kselftest-4vv2x) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Feb 23 09:52:57 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/12837732/extract-nfsrootfs-psmcl9_i,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921480K/1048576K available (17408K kernel code, 2714K rwdata, 8144K rodata, 2048K init, 6693K bss, 61560K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 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 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022926] Console: colour dummy device 80x30 <4>[ 0.024832] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032839] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037186] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041598] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046231] ... CLASSHASH_SIZE: 4096 <4>[ 0.050819] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055539] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060214] ... CHAINHASH_SIZE: 32768 <4>[ 0.064912] memory used by lock dependency info: 4061 kB <4>[ 0.070593] memory used for stack traces: 2112 kB <4>[ 0.075638] per task-struct memory footprint: 1536 bytes <6>[ 0.081328] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091740] CPU: Testing write buffer coherency: ok <6>[ 0.096879] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102151] pid_max: default: 32768 minimum: 301 <6>[ 0.107349] LSM: Security Framework initializing <6>[ 0.111972] LSM support for eBPF active <6>[ 0.116129] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123571] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135031] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141498] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147869] rcu: Hierarchical SRCU implementation. <6>[ 0.159244] EFI services will not be available. <6>[ 0.162291] smp: Bringing up secondary CPUs ... <6>[ 0.168789] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168806] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180554] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180569] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.191963] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.191978] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201003] smp: Brought up 1 node, 4 CPUs <6>[ 0.204726] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211261] CPU: All CPU(s) started in SVC mode. <6>[ 0.218477] devtmpfs: initialized <6>[ 0.267182] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274617] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282539] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.294232] pinctrl core: initialized pinctrl subsystem <6>[ 0.303225] DMI not present or invalid. <6>[ 0.306685] NET: Registered protocol family 16 <6>[ 0.318845] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.331691] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.332192] cpuidle: using governor menu <6>[ 0.340266] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.983074] vdd1p1: supplied by regulator-dummy <6>[ 1.012259] vdd3p0: supplied by regulator-dummy <6>[ 1.040992] vdd2p5: supplied by regulator-dummy <6>[ 1.069804] vddarm: supplied by regulator-dummy <6>[ 1.099391] vddpu: supplied by regulator-dummy <6>[ 1.127479] vddsoc: supplied by regulator-dummy <6>[ 2.271044] No ATAGs? <6>[ 2.271846] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.279078] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.301997] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.331588] Serial: AMBA PL011 UART driver <6>[ 2.388865] Kprobes globally optimized <6>[ 2.493149] iommu: Default domain type: Translated <6>[ 2.497637] vgaarb: loaded <5>[ 2.502624] SCSI subsystem initialized <6>[ 2.506128] usbcore: registered new interface driver usbfs <6>[ 2.509781] usbcore: registered new interface driver hub <6>[ 2.515297] usbcore: registered new device driver usb <6>[ 2.527366] i2c i2c-0: IMX I2C adapter registered <6>[ 2.535493] i2c i2c-1: IMX I2C adapter registered <6>[ 2.541589] i2c i2c-2: IMX I2C adapter registered <6>[ 2.547861] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.550257] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.559752] PTP clock support registered <6>[ 2.579052] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.268439] NET: Registered protocol family 2 <6>[ 4.271031] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.280850] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.286865] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.294973] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.303707] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.310167] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.316784] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.323641] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.331407] NET: Registered protocol family 1 <6>[ 4.337735] RPC: Registered named UNIX socket transport module. <6>[ 4.341560] RPC: Registered udp transport module. <6>[ 4.346409] RPC: Registered tcp transport module. <6>[ 4.351433] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.358088] NET: Registered protocol family 44 <6>[ 4.362847] PCI: CLS 0 bytes, default 64 <6>[ 4.369314] Trying to unpack rootfs image as initramfs... <6>[ 6.148212] Freeing initrd memory: 14980K <4>[ 6.150881] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.158512] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.173637] Initialise system trusted keyrings <6>[ 6.176795] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.226127] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.233044] NFS: Registering the id_resolver key type <5>[ 6.235683] Key type id_resolver registered <5>[ 6.240039] Key type id_legacy registered <6>[ 6.244742] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.251306] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.259059] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.265345] Key type asymmetric registered <5>[ 6.267891] Asymmetric key parser 'x509' registered <6>[ 6.273331] bounce: pool size: 64 pages <6>[ 6.277137] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.284817] io scheduler mq-deadline registered <6>[ 6.289516] io scheduler kyber registered <4>[ 6.294558] test_firmware: interface ready <6>[ 6.455501] mxs-dma 110000.dma-controller: initialized <4>[ 6.515203] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.523311] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.730889] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.752927] SuperH (H)SCI(F) driver initialized <6>[ 6.757522] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.768382] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.774922] printk: console [ttymxc1] enabled <6>[ 6.774922] printk: console [ttymxc1] enabled <6>[ 6.783722] printk: bootconsole [ec_imx21] disabled <6>[ 6.783722] printk: bootconsole [ec_imx21] disabled <6>[ 6.799816] msm_serial: driver initialized <6>[ 6.805152] STMicroelectronics ASC driver initialized <6>[ 6.816405] STM32 USART driver initialized <6>[ 6.841149] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.861358] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.870025] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.877863] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 6.926895] brd: module loaded <6>[ 6.972217] loop: module loaded <6>[ 6.978518] lkdtm: No crash points registered, enable through debugfs <6>[ 6.999519] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.007741] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.016101] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.024655] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.032914] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.041303] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.049271] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.060728] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.068009] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.077170] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.091456] scsi host0: ahci-imx <6>[ 7.097044] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.156048] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.169404] pps pps0: new PPS source ptp0 <6>[ 7.213260] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.223706] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.229018] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.235453] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.241183] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.266896] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.274774] usbcore: registered new interface driver pegasus <6>[ 7.280960] usbcore: registered new interface driver asix <6>[ 7.286794] usbcore: registered new interface driver ax88179_178a <6>[ 7.293350] usbcore: registered new interface driver cdc_ether <6>[ 7.299710] usbcore: registered new interface driver smsc75xx <6>[ 7.305954] usbcore: registered new interface driver smsc95xx <6>[ 7.312162] usbcore: registered new interface driver net1080 <6>[ 7.318255] usbcore: registered new interface driver cdc_subset <6>[ 7.324664] usbcore: registered new interface driver zaurus <6>[ 7.330824] usbcore: registered new interface driver cdc_ncm <6>[ 7.348354] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.355291] ehci-pci: EHCI PCI platform driver <6>[ 7.360211] ehci-platform: EHCI generic platform driver <6>[ 7.366639] ehci-orion: EHCI orion driver <6>[ 7.371795] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.376856] ehci-st: EHCI STMicroelectronics driver <6>[ 7.382833] ehci-exynos: EHCI Exynos driver <6>[ 7.388052] ehci-atmel: EHCI Atmel driver <6>[ 7.393159] tegra-ehci: Tegra EHCI driver <6>[ 7.398251] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.404882] ohci-pci: OHCI PCI platform driver <6>[ 7.409802] ohci-platform: OHCI generic platform driver <6>[ 7.416194] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.421305] ohci-st: OHCI STMicroelectronics driver <6>[ 7.427241] ohci-atmel: OHCI Atmel driver <6>[ 7.431563] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.431874] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.441303] usbcore: registered new interface driver usb-storage <6>[ 7.443912] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.479561] i2c /dev entries driver <6>[ 7.557019] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.563537] sdhci: Copyright(c) Pierre Ossman <6>[ 7.576829] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.589818] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.599336] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.600775] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.604789] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.617059] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.627228] usbcore: registered new interface driver usbhid <6>[ 7.633161] usbhid: USB HID core driver <6>[ 7.653017] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.659282] netem: version 1.3 <6>[ 7.663745] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.663775] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.679108] IPv4 over IPsec tunneling driver <6>[ 7.688132] NET: Registered protocol family 10 <6>[ 7.698201] Segment Routing with IPv6 <6>[ 7.707804] NET: Registered protocol family 17 <6>[ 7.710951] mmc2: new high speed SDHC card at address 0001 <6>[ 7.714122] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.722045] mmcblk2: mmc2:0001 SD 14.6 GiB <5>[ 7.723804] Key type dns_resolver registered <6>[ 7.746007] ThumbEE CPU extension supported. <4>[ 7.749607] GPT:Primary header thinks Alt. header is not at the end of the disk. <5>[ 7.750687] Registering SWP/SWPB emulation handler <4>[ 7.758296] GPT:7812499 != 30560255 <5>[ 7.764666] Loading compiled-in X.509 certificates <4>[ 7.767232] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.778643] GPT:7812499 != 30560255 <4>[ 7.782471] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.787962] mmcblk2: p1 p2 p3 <4>[ 7.924253] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.932867] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.945348] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 7.981040] imx_usb 2184200.usb: No over current polarity defined <6>[ 7.995909] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.001495] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.039571] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.058619] hub 1-0:1.0: USB hub found <6>[ 8.063234] hub 1-0:1.0: 1 port detected <6>[ 8.078037] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.108319] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.116843] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.129327] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.156842] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.165388] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.177794] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.194706] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.223228] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.231690] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.244428] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.265724] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 8.409305] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.617631] hub 1-1:1.0: USB hub found <6>[ 8.622710] hub 1-1:1.0: 3 ports detected <4>[ 8.651439] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.659876] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.672526] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.441002] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.469639] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.499280] Sending DHCP requests ., OK <6>[ 11.543678] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.35 <6>[ 11.552073] IP-Config: Complete: <6>[ 11.555596] device=eth0, hwaddr=00:19:b8:08:f1:09, ipaddr=192.168.201.35, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.566399] host=imx6q-sabrelite-lava-cbg-5, domain=lava-rack, nis-domain=(none) <6>[ 11.574583] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.574602] nameserver0=192.168.201.1 <6>[ 11.632840] Freeing unused kernel memory: 2048K <6>[ 11.659981] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 15.137621] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.163635] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.179083] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.197401] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.205384] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.247634] CAN device driver interface <4>[ 15.256531] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.279590] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.292653] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.338434] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.352926] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.401608] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.417514] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.426663] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.433628] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.442516] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.453656] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.454415] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.465444] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.490016] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.502323] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.519833] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.576184] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.580592] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.585154] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.590121] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.599143] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.605486] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 15.614377] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.636687] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.643908] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.645346] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.653083] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.665434] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.668016] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.698557] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 15.701043] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.701335] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 15.712207] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.715643] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.742821] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.792373] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.801292] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.810113] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.818767] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.838889] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.848761] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.874542] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.917947] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.926841] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.935618] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.944359] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.959947] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.968447] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.571836] caam algorithms registered in /proc/crypto <6>[ 16.593177] caam 2100000.crypto: registering rng-caam <4>[ 16.605190] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.646129] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.654982] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.663705] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.672362] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.686592] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.695367] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.708193] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.745165] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.754011] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers <6>[ 16.762750] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) ... <6>[ 16.773989] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) done. Begin: Running /scripts/init-pr<5>[ 16.783179] random: crng init done emount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:09 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.35 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-5 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 18.614606] systemd[1]: System time before build time, advancing clock. <30>[ 18.815275] systemd[1]: systemd 247.3-7+deb11u4 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 18.844394] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 18.915405] systemd[1]: Set hostname to . <30>[ 20.293466] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.307135] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.354722] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.403622] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.452951] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.504008] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.553337] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.601578] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.614623] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.650295] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 20.689560] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 20.729983] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 20.769956] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 20.811307] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 20.904498] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 20.917410] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 20.965916] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.015586] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.079900] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.125015] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.183073] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.194881] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.216530] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.260542] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.319720] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.371523] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.418127] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.472454] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.517789] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 21.549517] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 21.583766] fuse: init (API version 7.32) <30>[ 21.606472] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.648130] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 21.698484] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 21.741929] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 21.782579] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 21.837991] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 21.929569] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 21.939842] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 21.994348] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.004066] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.054364] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.064638] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.114529] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.164059] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.209906] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 22.267412] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 22.326494] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 22.336500] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 22.354189] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 22.397981] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 22.460298] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 22.486541] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 22.864344] systemd-journald[285]: 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 ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.210-cip44 #1 SMP Fri Feb 23 09:52:57 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/12837732/extract-nfsrootfs-psmcl9_i' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12837732/extract-nfsrootfs-psmcl9_i' / # 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-12837732/environment . /lava-12837732/environment / # /lava-12837732/bin/lava-test-runner /lava-12837732/0 /lava-12837732/bin/lava-test-runner /lava-12837732/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12837732/0/tests/0_timesync-off ++ cat uuid + UUID=12837732_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-12837732/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12837732_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-cip44-424-g38943e302f8c8/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 --2024-02-23 10:15:01-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-424-g38943e302f8c8/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: 1409116 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 20.46K 80.8KB/s kselftest.tar.xz 5%[> ] 78.92K 155KB/s kselftest.tar.xz 8%[> ] 122.75K 160KB/s kselftest.tar.xz 12%[=> ] 173.66K 170KB/s kselftest.tar.xz 16%[==> ] 224.57K 175KB/s kselftest.tar.xz 20%[===> ] 276.89K 180KB/s kselftest.tar.xz 23%[===> ] 326.38K 182KB/s kselftest.tar.xz 27%[====> ] 381.53K 186KB/s kselftest.tar.xz 31%[=====> ] 438.09K 190KB/s kselftest.tar.xz 36%[======> ] 500.31K 195KB/s kselftest.tar.xz 40%[=======> ] 562.53K 199KB/s kselftest.tar.xz 44%[=======> ] 617.19K 197KB/s eta 4s kselftest.tar.xz 49%[========> ] 675.65K 202KB/s eta 4s kselftest.tar.xz 53%[=========> ] 732.21K 203KB/s eta 4s kselftest.tar.xz 57%[==========> ] 788.29K 204KB/s eta 4s kselftest.tar.xz 61%[===========> ] 848.17K 206KB/s eta 4s kselftest.tar.xz 65%[============> ] 907.56K 209KB/s eta 2s kselftest.tar.xz 69%[============> ] 957.05K 218KB/s eta 2s kselftest.tar.xz 73%[=============> ] 1010K 215KB/s eta 2s kselftest.tar.xz 78%[==============> ] 1.06M 221KB/s eta 2s kselftest.tar.xz 82%[===============> ] 1.11M 223KB/s eta 1s kselftest.tar.xz 85%[================> ] 1.15M 224KB/s eta 1s kselftest.tar.xz 89%[================> ] 1.21M 222KB/s eta 1s kselftest.tar.xz 93%[=================> ] 1.26M 227KB/s eta 1s kselftest.tar.xz 96%[==================> ] 1.30M 221KB/s eta 1s kselftest.tar.xz 99%[==================> ] 1.33M 221KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 221KB/s in 6.5s 2024-02-23 10:15:08 (210 KB/s) - 'kselftest.tar.xz' saved [1409116/1409116] 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>[ 59.055782] 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>[ 59.972902] lkdtm: Performing direct entry BUG <4>[ 59.977933] ------------[ cut here ]------------ <2>[ 59.982823] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 59.988318] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 59.993726] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 60.023079] CPU: 3 PID: 711 Comm: cat Not tainted 5.10.210-cip44 #1 <4>[ 60.029632] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 60.036460] PC is at lkdtm_BUG+0x14/0x18 <4>[ 60.040673] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 60.045404] pc : [] lr : [] psr: a00e0013 <4>[ 60.051957] sp : c6a63e58 ip : c6a63e68 fp : c6a63e64 <4>[ 60.057463] r10: 00000004 r9 : c1ad5b78 r8 : c15ebd54 <4>[ 60.062973] r7 : c6a63f60 r6 : 00000004 r5 : c6ca2000 r4 : 00000001 <4>[ 60.069783] r3 : c0c58890 r2 : 863b771d r1 : ef7c05e0 r0 : c15ebd5c <4>[ 60.076597] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 60.084018] Control: 10c5387d Table: 1682404a DAC: 00000051 <0>[ 60.090050] Process cat (pid: 711, stack limit = 0x2d8313d3) <0>[ 60.095994] Stack: (0xc6a63e58 to 0xc6a64000) <0>[ 60.100640] 3e40: c6a63e74 c6a63e68 <0>[ 60.109112] 3e60: c0c58324 c0c5889c c6a63e9c c6a63e78 c0c58824 c0c58304 c0c58704 c6b27180 <0>[ 60.117583] 3e80: b6dd3000 00000004 c3021900 c6a63f60 c6a63ec4 c6a63ea0 c07e2094 c0c58710 <0>[ 60.126053] 3ea0: 00000000 c6b27180 b6dd3000 c290d000 c6a63f60 c07e2030 c6a63f5c c6a63ec8 <0>[ 60.134524] 3ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a62000 <0>[ 60.142996] 3ee0: b6dd3000 00020000 00000004 00000004 0001fffc c6a63ee0 00000001 b6dd2000 <0>[ 60.151464] 3f00: c4279900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 60.159934] 3f20: 00000000 00000000 c13e0318 863b771d c206c0e0 c6b27180 c6b27180 c6a62000 <0>[ 60.168404] 3f40: b6dd3000 00000000 00000000 00000004 c6a63f94 c6a63f60 c059c2c0 c059bc14 <0>[ 60.176874] 3f60: 00000000 00000000 c6a63fac 863b771d 00000004 00000004 b6f1ae00 00000004 <0>[ 60.185344] 3f80: c03002e4 c6a62000 c6a63fa4 c6a63f98 c059c350 c059c258 00000000 c6a63fa8 <0>[ 60.193813] 3fa0: c03000c0 c059c344 00000004 00000004 00000001 b6dd3000 00000004 00000000 <0>[ 60.202283] 3fc0: 00000004 00000004 b6f1ae00 00000004 00000001 00000000 00020000 bebcfac4 <0>[ 60.210752] 3fe0: 00000004 bebcf7f8 b6e84d8f b6e0b7e6 800e0030 00000001 00000000 00000000 <0>[ 60.219209] Backtrace: <0>[ 60.221967] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 60.229836] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 60.238147] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 60.246362] r9:c6a63f60 r8:c3021900 r7:00000004 r6:b6dd3000 r5:c6b27180 r4:c0c58704 <0>[ 60.254411] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 60.262536] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6dd3000 r5:c6b27180 r4:00000000 <0>[ 60.270575] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 60.278003] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a62000 r5:c6b27180 <0>[ 60.286114] r4:c6b27180 <0>[ 60.288945] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 60.296373] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000004 r4:00000004 <0>[ 60.304415] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 60.312266] Exception stack(0xc6a63fa8 to 0xc6a63ff0) <0>[ 60.317608] 3fa0: 00000004 00000004 00000001 b6dd3000 00000004 00000000 <0>[ 60.326075] 3fc0: 00000004 00000004 b6f1ae00 00000004 00000001 00000000 00020000 bebcfac4 <0>[ 60.334539] 3fe0: 00000004 bebcf7f8 b6e84d8f b6e0b7e6 <0>[ 60.339883] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 60.346272] ---[ end trace 17b6be55efc73da5 ]--- <3>[ 60.351179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.360338] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 711, name: cat <4>[ 60.368274] INFO: lockdep is turned off. <4>[ 60.372477] irq event stamp: 1606 <4>[ 60.376096] hardirqs last enabled at (1605): [] console_unlock+0x4b0/0x6c0 <4>[ 60.384219] hardirqs last disabled at (1606): [] __und_svc+0x60/0x6c <4>[ 60.391732] softirqs last enabled at (1180): [] __do_softirq+0x36c/0x5a0 <4>[ 60.399678] softirqs last disabled at (1139): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 60.407797] CPU: 3 PID: 711 Comm: cat Tainted: G D 5.10.210-cip44 #1 <4>[ 60.415734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 60.422539] Backtrace: <4>[ 60.425298] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 60.433161] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 60.439122] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 60.446741] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 60.454778] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1dc0 r4:c6a62000 <4>[ 60.462819] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 60.470936] r6:00000000 r5:00000031 r4:c19d1dc0 <4>[ 60.475860] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 60.483889] r6:00000001 r5:c6a62000 r4:c4740000 <4>[ 60.488813] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 60.496414] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c4740000 <4>[ 60.503416] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 60.511007] r7:c1e1ca8c <4>[ 60.513840] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 60.521269] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 60.528611] r10:00000004 r9:c6a62000 r8:c15ebd54 r7:00000000 r6:c6a63dc8 r5:c0c588a4 <4>[ 60.536722] r4:e7f001f2 <4>[ 60.539551] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 60.547749] Exception stack(0xc6a63dc8 to 0xc6a63e10) <4>[ 60.553092] 3dc0: c15ebd5c ef7c05e0 863b771d c0c58890 00000001 c6ca2000 <4>[ 60.561563] 3de0: 00000004 c6a63f60 c15ebd54 c1ad5b78 00000004 c6a63e64 c6a63e68 c6a63e58 <4>[ 60.570026] 3e00: c0c58324 c0c588a4 a00e0013 ffffffff <4>[ 60.575367] r7:c6a63dfc r6:ffffffff r5:a00e0013 r4:c0c588a8 <4>[ 60.581322] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 60.589185] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 60.597489] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 60.605700] r9:c6a63f60 r8:c3021900 r7:00000004 r6:b6dd3000 r5:c6b27180 r4:c0c58704 <4>[ 60.613744] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 60.621867] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6dd3000 r5:c6b27180 r4:00000000 <4>[ 60.629904] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 60.637332] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a62000 r5:c6b27180 <4>[ 60.645441] r4:c6b27180 <4>[ 60.648270] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 60.655698] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000004 r4:00000004 <4>[ 60.663734] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 60.671585] Exception stack(0xc6a63fa8 to 0xc6a63ff0) <4>[ 60.676927] 3fa0: 00000004 00000004 00000001 b6dd3000 00000004 00000000 <4>[ 60.685395] 3fc0: 00000004 00000004 b6f1ae00 00000004 00000001 00000000 00020000 bebcfac4 <4>[ 60.693858] 3fe0: 00000004 bebcf7f8 b6e84d8f b6e0b7e6 # Segmentation fault # [ 59.972902] lkdtm: Performing direct entry BUG # [ 59.977933] ------------[ cut here ]------------ # [ 59.982823] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 59.988318] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 59.993726] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 60.023079] CPU: 3 PID: 711 Comm: cat Not tainted 5.10.210-cip44 #1 # [ 60.029632] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 60.036460] PC is at lkdtm_BUG+0x14/0x18 # [ 60.040673] LR is at lkdtm_do_action+0x2c/0x4c # [ 60.045404] pc : [] lr : [] psr: a00e0013 # [ 60.051957] sp : c6a63e58 ip : c6a63e68 fp : c6a63e64 # [ 60.057463] r10: 00000004 r9 : c1ad5b78 r8 : c15ebd54 # [ 60.062973] r7 : c6a63f60 r6 : 00000004 r5 : c6ca2000 r4 : 00000001 # [ 60.069783] r3 : c0c58890 r2 : 863b771d r1 : ef7c05e0 r0 : c15ebd5c # [ 60.076597] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 60.084018] Control: 10c5387d Table: 1682404a DAC: 00000051 # [ 60.090050] Process cat (pid: 711, stack limit = 0x2d8313d3) # [ 60.095994] Stack: (0xc6a63e58 to 0xc6a64000) # [ 60.100640] 3e40: c6a63e74 c6a63e68 # [ 60.109112] 3e60: c0c58324 c0c5889c c6a63e9c c6a63e78 c0c58824 c0c58304 c0c58704 c6b27180 # [ 60.117583] 3e80: b6dd3000 00000004 c3021900 c6a63f60 c6a63ec4 c6a63ea0 c07e2094 c0c58710 # [ 60.126053] 3ea0: 00000000 c6b27180 b6dd3000 c290d000 c6a63f60 c07e2030 c6a63f5c c6a63ec8 # [ 60.134524] 3ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a62000 # [ 60.142996] 3ee0: b6dd3000 00020000 00000004 00000004 0001fffc c6a63ee0 00000001 b6dd2000 # [ 60.151464] 3f00: c4279900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 60.159934] 3f20: 00000000 00000000 c13e0318 863b771d c206c0e0 c6b27180 c6b27180 c6a62000 # [ 60.168404] 3f40: b6dd3000 00000000 00000000 00000004 c6a63f94 c6a63f60 c059c2c0 c059bc14 # [ 60.176874] 3f60: 00000000 00000000 c6a63fac 863b771d 00000004 00000004 b6f1ae00 00000004 # [ 60.185344] 3f80: c03002e4 c6a62000 c6a63fa4 c6a63f98 c059c350 c059c258 00000000 c6a63fa8 # [ 60.193813] 3fa0: c03000c0 c059c344 00000004 00000004 00000001 b6dd3000 00000004 00000000 # [ 60.202283] 3fc0: 00000004 00000004 b6f1ae00 00000004 00000001 00000000 00020000 bebcfac4 # [ 60.210752] 3fe0: 00000004 bebcf7f8 b6e84d8f b6e0b7e6 800e0030 00000001 00000000 00000000 # [ 60.219209] Backtrace: # [ 60.221967] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 60.229836] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 60.238147] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 60.246362] r9:c6a63f60 r8:c3021900 r7:00000004 r6:b6dd3000 r5:c6b27180 r4:c0c58704 # [ 60.254411] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 60.262536] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6dd3000 r5:c6b27180 r4:00000000 # [ 60.270575] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 60.278003] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a62000 r5:c6b27180 # [ 60.286114] r4:c6b27180 # [ 60.288945] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 60.296373] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000004 r4:00000004 # [ 60.304415] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 60.312266] Exception stack(0xc6a63fa8 to 0xc6a63ff0) # [ 60.317608] 3fa0: 00000004 00000004 00000001 b6dd3000 00000004 00000000 # [ 60.326075] 3fc0: 00000004 00000004 b6f1ae00 00000004 00000001 00000000 00020000 bebcfac4 # [ 60.334539] 3fe0: 00000004 bebcf7f8 b6e84d8f b6e0b7e6 # [ 60.339883] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <6>[ 61.130109] lkdtm: Performing direct entry WARNING # [ 60.346272] ---[ end trace 1<4>[ 61.136141] ------------[ cut here ]------------ 7b6be55efc73da5 ]--- # [ 60.35<4>[ 61.143982] WARNING: CPU: 2 PID: 783 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 1179] BUG: sleeping function call<4>[ 61.155602] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ed from invalid context at includ<4>[ 61.187491] CPU: 2 PID: 783 Comm: cat Tainted: G D W 5.10.210-cip44 #1 e/linux/percpu-rwsem.h:49 # [ <4>[ 61.198196] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 60.360338] in_atomic(): 0, irqs_d<4>[ 61.207849] Backtrace: isabled(): 128, non_block: 0, pid<4>[ 61.213431] [] (dump_backtrace) from [] (show_stack+0x20/0x24) : 711, name: cat # [ 60.368274<4>[ 61.224115] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 ] INFO: lockdep is turned off. #<4>[ 61.232900] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 60.372477] irq event stamp: <4>[ 61.243333] [] (dump_stack) from [] (__warn+0x98/0x14c) 1606 # [ 60.376096] hardirqs l<4>[ 61.253414] r9:00000009 r8:c0c588f0 r7:00000053 r6:00000009 r5:c0c588f0 r4:c1ad6234 ast enabled at (1605): [[ 61.264279] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0>] console_unlock+0x4b0/0x6c0 #<4>[ 61.274883] r7:00000053 r6:c1ad6234 r5:00000000 r4:c6c3a000 [ 60.384219] hardirqs last dis<4>[ 61.283667] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) abled at (1606): [] __u<4>[ 61.294878] r9:c1ad5b7c r8:c15ebd54 r7:c6c3bf60 r6:00000008 r5:c6cc7000 r4:00000002 nd_svc+0x60/0x6c # [ 60.391732<4>[ 61.305746] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ] softirqs last enabled at (1180<4>[ 61.316784] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ): [] __do_softirq+0x36<4>[ 61.327913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) c/0x5a0 # [ 60.399678] softirq<4>[ 61.338947] r9:c6c3bf60 r8:c3021900 r7:00000008 r6:b6e4d000 r5:c42ce640 r4:c0c58704 s last disabled at (1139): [[ 61.349820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) f8fc>] __irq_exit_rcu+0x178/0x1d0<4>[ 61.360766] r9:c07e2030 r8:c6c3bf60 r7:c290d000 r6:b6e4d000 r5:c42ce640 r4:00000000 # [ 60.407797] CPU: 3 PID: 71<4>[ 61.371632] [] (vfs_write) from [] (ksys_write+0x74/0xec) 1 Comm: cat Tainted: G D <4>[ 61.381886] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c6c3a000 r5:c42ce640 5.10.210-cip44 #1 # [ 6<4>[ 61.392833] r4:c42ce640 0.415734] Hardware name: Freescal<4>[ 61.398497] [] (ksys_write) from [] (sys_write+0x18/0x1c) e i.MX6 Quad/DualLite (Device Tre<4>[ 61.408755] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000008 r4:00000008 e) # [ 60.422539] Backtrace: <4>[ 61.419622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 60.425298] [] (d<4>[ 61.430311] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) ump_backtrace) from [] <4>[ 61.438488] bfa0: 00000008 00000008 00000001 b6e4d000 00000008 00000000 (show_stack+0x20/0x24) # [ 60.<4>[ 61.449787] bfc0: 00000008 00000008 b6f94e00 00000004 00000001 00000000 00020000 be97eac4 433161] r7:ffffffff r6:600e0093 <4>[ 61.461083] bfe0: 00000004 be97e7f8 b6efed8f b6e857e6 r5:00000000 r4:c1f1d0b8 <4>[ 61.469319] irq event stamp: 0 # [ 60.439122] [] (sh<4>[ 61.474749] hardirqs last enabled at (0): [<00000000>] 0x0 ow_stack) from [] (dump<4>[ 61.483472] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac _stack+0xe0/0x100) # [ 60.4467<4>[ 61.494082] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 41] [] (dump_stack) fro<4>[ 61.504696] softirqs last disabled at (0): [<00000000>] 0x0 m [] (___might_sleep+0x<4>[ 61.513415] ---[ end trace 17b6be55efc73da6 ]--- 188/0x2e0) # [ 60.454778] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1dc0 r4:c6a62000 # [ 60.462819] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 60.470936] r6:00000000 r5:00000031 r4:c19d1dc0 # [ 60.475860] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 60.483889] r6:00000001 r5:c6a62000 r4:c4740000 # [ 60.488813] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 60.496414] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c4740000 # [ 60.503416] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 60.511007] r7:c1e1ca8c # [ 60.513840] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 60.521269] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 60.528611] r10:00000004 r9:c6a62000 r8:c15ebd54 r7:00000000 r6:c6a63dc8 r5:c0c588a4 # [ 60.536722] r4:e7f001f2 # [ 60.539551] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 60.547749] Exception stack(0xc6a63dc8 to 0xc6a63e10) # [ 60.553092] 3dc0: c15ebd5c ef7c05e0 863b771d c0c58890 00000001 c6ca2000 # [ 60.561563] 3de0: 00000004 c6a63f60 c15ebd54 c1ad5b78 00000004 c6a63e64 c6a63e68 c6a63e58 # [ 60.570026] 3e00: c0c58324 c0c588a4 a00e0013 ffffffff # [ 60.575367] r7:c6a63dfc r6:ffffffff r5:a00e0013 r4:c0c588a8 # [ 60.581322] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 60.589185] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 60.597489] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 60.605700] r9:c6a63f60 r8:c3021900 r7:00000004 r6:b6dd3000 r5:c6b27180 r4:c0c58704 # [ 60.613744] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 60.621867] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6dd3000 r5:c6b27180 r4:00000000 # [ 60.629904] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 60.637332] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a62000 r5:c6b27180 # [ 60.645441] r4:c6b27180 # [ 60.648270] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 60.655698] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000004 r4:00000004 # [ 60.663734] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 60.671585] Exception stack(0xc6a63fa8 to 0xc6a63ff0) # [ 60.676927] 3fa0: 00000004 00000004 00000001 b6dd3000 00000004 00000000 # [ 60.685395] 3fc0: 00000004 00000004 b6f1ae00 00000004 00000001 00000000 00020000 bebcfac4 # [ 60.693858] 3fe0: 00000004 bebcf7f8 b6e84d8f b6e0b7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 61.130109] lkdtm: Performing direct entry WARNING # [ 61.136141] ------------[ cut here ]------------ # [ 61.143982] WARNING: CPU: 2 PID: 783 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 61.155602] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 61.187491] CPU: 2 PID: 783 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 61.198196] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 61.207849] Backtrace: # [ 61.213431] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 61.224115] r7:ff<6>[ 61.841475] lkdtm: Performing direct entry WARNING_MESSAGE ffffff r6:600e0013 r5:00000000 r4<4>[ 61.849974] ------------[ cut here ]------------ :c1f1d0b8 # [ 61.232900] [[ 61.857677] WARNING: CPU: 3 PID: 819 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 bd480>] (show_stack) from [[ 61.869994] Warning message trigger count: 2 734>] (dump_stack+0xe0/0x100) # <4>[ 61.877327] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 61.243333] [] (dump<4>[ 61.909323] CPU: 3 PID: 819 Comm: cat Tainted: G D W 5.10.210-cip44 #1 _stack) from [] (__warn<4>[ 61.920056] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) +0x98/0x14c) # [ 61.253414] r<4>[ 61.929706] Backtrace: 9:00000009 r8:c0c588f0 r7:0000005<4>[ 61.935288] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 3 r6:00000009 r5:c0c588f0 r4:c1ad<4>[ 61.945975] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 6234 # [ 61.264279] [[ 61.954758] [] (show_stack) from [] (dump_stack+0xe0/0x100) >] (__warn) from [] (wa<4>[ 61.965194] [] (dump_stack) from [] (__warn+0x98/0x14c) rn_slowpath_fmt+0x8c/0xa8) # [ <4>[ 61.975273] r9:00000009 r8:c0c58940 r7:00000058 r6:00000009 r5:c0c58940 r4:c1ad6234 61.274883] r7:00000053 r6:c1ad6<4>[ 61.986139] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 234 r5:00000000 r4:c6c3a000 # [ <4>[ 61.996743] r7:00000058 r6:c1ad6234 r5:c1ad6250 r4:c426c000 61.283667] [] (warn_s<4>[ 62.005531] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) lowpath_fmt) from [] (l<4>[ 62.017433] r9:c1ad5b84 r8:c15ebd54 r7:c426df60 r6:00000010 r5:c6c92000 r4:00000003 kdtm_WARNING+0x48/0x4c) # [ 61<4>[ 62.028300] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) .294878] r9:c1ad5b7c r8:c15ebd54<4>[ 62.040035] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) r7:c6c3bf60 r6:00000008 r5:c6cc7<4>[ 62.051167] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 000 r4:00000002 # [ 61.305746]<4>[ 62.062201] r9:c426df60 r8:c3021900 r7:00000010 r6:b6e06000 r5:c4161cc0 r4:c0c58704 [] (lkdtm_WARNING) fro<4>[ 62.073076] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) m [] (lkdtm_do_action+0<4>[ 62.084019] r9:c07e2030 r8:c426df60 r7:c290d000 r6:b6e06000 r5:c4161cc0 r4:00000000 x2c/0x4c) # [ 61.316784] [[ 62.094886] [] (vfs_write) from [] (ksys_write+0x74/0xec) 582f8>] (lkdtm_do_action) from [<<4>[ 62.105144] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c426c000 r5:c4161cc0 c0c58824>] (direct_entry+0x120/0x<4>[ 62.116092] r4:c4161cc0 18c) # [ 61.327913] [[ 62.121757] [] (ksys_write) from [] (sys_write+0x18/0x1c) >] (direct_entry) from [[ 62.132014] r9:c426c000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000010 r4:00000010 >] (full_proxy_write+0x64/0x94) <4>[ 62.142883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 61.338947] r9:c6c3bf60 r8:<4>[ 62.153567] Exception stack(0xc426dfa8 to 0xc426dff0) c3021900 r7:00000008 r6:b6e4d000 <4>[ 62.161746] dfa0: 00000010 00000010 00000001 b6e06000 00000010 00000000 r5:c42ce640 r4:c0c58704 # [ 61<4>[ 62.173047] dfc0: 00000010 00000010 b6f4de00 00000004 00000001 00000000 00020000 befe1ac4 .349820] [] (full_proxy<4>[ 62.184343] dfe0: 00000004 befe17f8 b6eb7d8f b6e3e7e6 _write) from [] (vfs_wr<4>[ 62.192577] irq event stamp: 0 ite+0x10c/0x53c) # [ 61.360766<4>[ 62.198702] hardirqs last enabled at (0): [<00000000>] 0x0 ] r9:c07e2030 r8:c6c3bf60 r7:c29<4>[ 62.207447] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 0d000 r6:b6e4d000 r5:c42ce640 r4:<4>[ 62.218054] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 00000000 # [ 61.371632] [[ 62.228646] softirqs last disabled at (0): [<00000000>] 0x0 bc08>] (vfs_write) from [[ 62.237340] ---[ end trace 17b6be55efc73da7 ]--- 0>] (ksys_write+0x74/0xec) # [ 61.381886] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c6c3a000 r5:c42ce640 # [ 61.392833] r4:c42ce640 # [ 61.398497] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 61.408755] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000008 r4:00000008 # [ 61.419622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 61.430311] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) # [ 61.438488] bfa0: 00000008 00000008 00000001 b6e4d000 00000008 00000000 # [ 61.449787] bfc0: 00000008 00000008 b6f94e00 00000004 00000001 00000000 00020000 be97eac4 # [ 61.461083] bfe0: 00000004 be97e7f8 b6efed8f b6e857e6 # [ 61.469319] irq event stamp: 0 # [ 61.474749] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 61.483472] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 61.494082] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 61.504696] softirqs last disabled at (0): [<00000000>] 0x0 # [ 61.513415] ---[ end trace 17b6be55efc73da6 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 61.841475] lkdtm: Performing direct entry WARNING_MESSAGE # [ 61.849974] ------------[ cut here ]------------ # [ 61.857677] WARNING: CPU: 3 PID: 819 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 61.869994] Warning message trigger count: 2 # [ 61.877327] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 61.909323] CPU: 3 PID: 819 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 61.920056] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 61.929706] Backtrace: # [ 61.935288] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 61.945975] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 61.954758] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 61.965194] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 61.975273] r9:00000009 r8:c0c58940 r7:00000058 r6:00000009 r5:c0c58940 r4:c1ad6234 # [ 61.986139] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 61.996743] r7:00000058 r6:c1ad6234 r5:c1ad6250 r4:c426c000 # [ 62.005531] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 62.017433] r9:c1ad5b84 r8:c15ebd54 r7:c426df60 r6:00000010 r5:c6c92000 r4:00000003 # [ 62.028300] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.040035] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.051167] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.062201] r9:c426df60 r8:c3021900 r7:00000010 r6:b6e06000 r5:c4161cc0 r4:c0c58704 # [ 62.073076] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.084019] r9:c07e2030 r8:c426df60 r7:c290d000 r6:b6e06000 r5:c4161cc0 r4:00000000 # [ 62.094886] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.105144] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c426c000 r5:c4161cc0 # [ 62.116092] r4:c4161cc0 # [ 62.121757] [] (ksys_write) from [] (sys_write+0x18/0x1c) #<6>[ 62.560864] lkdtm: Performing direct entry EXCEPTION [ 62.132014] r9:c426c00<01 >r 62.567987] 8<--- cut here --- 8:c03002e4 r7:00000004 r6:b6f4de0<1>[ 62.573989] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0 r5:00000010 r4:00000010 # [ <1>[ 62.585123] pgd = 6dc6c4ef 62.142883] [] (sys_writ<1>[ 62.591043] [00000000] *pgd=00000000 e) from [] (ret_fast_sy<0>[ 62.597598] Internal error: Oops: 805 [#2] SMP ARM scall+0x0/0x28) # [ 62.153567]<4>[ 62.605498] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 Exception stack(0x2[6 d f a2.637461] CPU: 2 PID: 852 Comm: cat Tainted: G D W 5.10.210-cip44 #1 8 to 0xc426f[0 ) 6#2 .[6 7542] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 62.161746] dfa0: < 4 > [ 62.656161] PC is at lkdtm_EXCEPTION+0x18/0x20 00000010< 40>0[0 0 0 06120663374] LR is at lkdtm_do_action+0x2c/0x4c 00000001 b6e<046>0[0 0 06020.070070] pc : [] lr : [] psr: a00e0013 0010 000000<040> [ # [6 2 . 668504] sp : c6979e58 ip : c6979e68 fp : c6979e64 2.173047] d0[: 0 0602.06085809] r10: 0000000a r9 : c1ad5b94 r8 : c15ebd54 10 00000010< 4b>6[f 4 d e6020. 603115] r7 : c6979f60 r6 : 0000000a r5 : c6cc7000 r4 : 00000004 0000004< 40>0[0 0 0 06021. 70001023] r3 : 00000000 r2 : 95f95452 r1 : ef7ab5e0 r0 : c15ebd74 00000 00020000 f[e 1 a6c24.710161] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 62.1<844>3[4 3 ] 6d2f.e709548] Control: 10c5387d Table: 16e3404a DAC: 00000051 : 00000004 befe<107>f[8 b 66e2b727376] Process cat (pid: 852, stack limit = 0x96f2e751) 7d8f b6e3e7e6< 0 >#[ [ 6 26.235288] Stack: (0xc6979e58 to 0xc697a000) .192577] irq en[t s t6a2.m41813] 9e40: c6979e74 c6979e68 p: 0 # [ 62.1<908>7[0 2 ] 6h2.752161] 9e60: c0c58324 c0c58954 c6979e9c c6979e78 c0c58824 c0c58304 c0c58704 c6ada280 rdirqs last enabl [a t (62.762681] 9e80: b6e38000 0000000a c3021900 c6979f60 c6979ec4 c6979ea0 c07e2094 c0c58710 ): [<00000000>] 0x0< 0 >#[ [ 2.773286] 9ea0: 00000000 c6ada280 b6e38000 c290d000 c6979f60 c07e2030 c6979f5c c6979ec8 62.207447] hardirql[a s t 2.783891] 9ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6978000 disabled at (0): [<3[5 3 862.794495] 9ee0: b6e38000 00020000 00000004 0000000a 0001fff6 c6979ee0 00000001 b6e37000 4>] copy_proces0[x 5 f 86/20805098] 9f00: c4278280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 x1dac # [ 62.2<108>0[5 4 ] 6s.815532] 9f20: 00000000 00000000 c13e0318 95f95452 c206c0e0 c6ada280 c6ada280 c6978000 oftirqs last enl[e d a6t2.826048] 9f40: b6e38000 00000000 00000000 00000004 c6979f94 c6979f60 c059c2c0 c059bc14 (0): [] co_[p r o 62.836568] 9f60: 00000000 00000000 c6979fac 95f95452 0000000a 0000000a b6f7fe00 00000004 ess+0x5f8/0x1dac < 0#> [[ 66.847258] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c059c350 c059c258 00000000 c6979fa8 2.228646] sofr[q s l6a2s.t57775] 9fa0: c03000c0 c059c344 0000000a 0000000a 00000001 b6e38000 0000000a 00000000 disabled at (0):< 0[><[0 0 0 060.868123] 9fc0: 0000000a 0000000a b6f7fe00 00000004 00000001 00000000 00020000 bef85ac4 000>] 0x0 # [ 6<20.>2[3 7 3 462.878641] 9fe0: 00000004 bef857f8 b6ee9d8f b6e707e6 800e0030 00000001 00000000 00000000 ] ---[ end trace <107>b[6 b e 565.889239] Backtrace: efc73da7 ]--- # WARNING<_0M>E[S 62.894036] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) AGE: saw 'message trigr[' : 62.904815] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ok ok 4 selftests: lkdtm: R 62.915424] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) NING_MESSAGE.sh # l[f t e s2.926112] r9:c6979f60 r8:c3021900 r7:0000000a r6:b6e38000 r5:c6ada280 r4:c0c58704 ts: lkdtm: EXCEPTION.sh <0>[ 62.936290] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 62.946539] r9:c07e2030 r8:c6979f60 r7:c290d000 r6:b6e38000 r5:c6ada280 r4:00000000 <0>[ 62.954552] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 62.961958] r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6978000 r5:c6ada280 <0>[ 62.970053] r4:c6ada280 <0>[ 62.972858] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 62.980263] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:0000000a r4:0000000a <0>[ 62.988280] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 62.996116] Exception stack(0xc6979fa8 to 0xc6979ff0) <0>[ 63.001436] 9fa0: 0000000a 0000000a 00000001 b6e38000 0000000a 00000000 <0>[ 63.009881] 9fc0: 0000000a 0000000a b6f7fe00 00000004 00000001 00000000 00020000 bef85ac4 <0>[ 63.018325] 9fe0: 00000004 bef857f8 b6ee9d8f b6e707e6 <0>[ 63.023647] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 63.030083] ---[ end trace 17b6be55efc73da8 ]--- # Segmentation fault # [ 62.560864] lkdtm: Performing direct entry EXCEPTION # [ 62.567987] 8<--- cut here --- # [ 62.573989] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 62.585123] pgd = 6dc6c4ef # [ 62.591043] [00000000] *pgd=00000000 # [ 62.597598] Internal error: Oops: 805 [#2] SMP ARM # [ 62.605498] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 62.637461] CPU: 2 PID: 852 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 62.647542] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.656161] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 62.663374] LR is at lkdtm_do_action+0x2c/0x4c # [ 62.670070] pc : [] lr : [] psr: a00e0013 # [ 62.678504] sp : c6979e58 ip : c6979e68 fp : c6979e64 # [ 62.685809] r10: 0000000a r9 : c1ad5b94 r8 : c15ebd54 # [ 62.693115] r7 : c6979f60 r6 : 0000000a r5 : c6cc7000 r4 : 00000004 # [ 62.701723] r3 : 00000000 r2 : 95f95452 r1 : ef7ab5e0 r0 : c15ebd74 # [ 62.710161] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 62.719548] Control: 10c5387d Table: 16e3404a DAC: 00000051 # [ 62.727376] Process cat (pid: 852, stack limit = 0x96f2e751) # [ 62.735288] Stack: (0xc6979e58 to 0xc697a000) # [ 62.741813] 9e40: c6979e74 c6979e68 # [ 62.752161] 9e60: c0c58324 c0c58954 c6979e9c c6979e78 c0c58824 c0c58304 c0c58704 c6ada280 # [ 62.762681] 9e80: b6e38000 0000000a c3021900 c6979f60 c6979ec4 c6979ea0 c07e2094 c0c58710 # [ 62.773286] 9ea0: 00000000 c6ada280 b6e38000 c290d000 c6979f60 c07e2030 c6979f5c c6979ec8 # [ 62.783891] 9ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6978000 # [ 62.794495] 9ee0: b6e38000 00020000 00000004 0000000a 0001fff6 c6979ee0 00000001 b6e37000 # [ 62.805098] 9f00: c4278280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 62.815532] 9f20: 00000000 00000000 c13e0318 95f95452 c206c0e0 c6ada280 c6ada280 c6978000 # [ 62.826048] 9f40: b6e38000 00000000 00000000 00000004 c6979f94 c6979f60 c059c2c0 c059bc14 # [ 62.836568] 9f60: 00000000 00000000 c6979fac 95f95452 0000000a 0000000a b6f7fe00 00000004 # [ 62.847258] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c059c350 c059c258 00000000 c6979fa8 # [ 62.857775] 9fa0: c03000c0 c059c344 0000000a 0000000a 00000001 b6e38000 0000000a 00000000 # [ 62.868123] 9fc0: 0000000a 0000000a b6f7fe00 00000004 00000001 00000000 00020000 bef85ac4 # [ 62.878641] 9fe0: 00000004 bef857f8 b6ee9d8f b6e707e6 800e0030 00000001 00000000 00000000 # [ 62.889239] Backtrace: # [ 62.894036] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.904815] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.915424] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.926112] r9:c6979f60 r8:c3021900 r7:0000000a r6:b6e38000 r5:c6ada280 r4:c0c58704 # [ 62.936290] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.946539] r9:c07e2030 r8:c6979f60 r7:c290d000 r6:b6e38000 r5:c6ada280 r4:00000000 # [ 62.954552] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.961958] r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6978000 r5:c6ada280 # [ 62.970053] r4:c6ada280 # [ 62.972858] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.980263] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:0000000a r4:0000000a # [ 62.988280] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.996116] Exception stack(0xc6979fa8 to 0xc6979ff0) # [ 63.001436] 9fa0: 0000000a 0000000a 00000001 b6e38000 0000000a 00000000 # [ 63.009881] 9fc0: 0000000a 0000000a b6f7fe00 00000004 00000001 00000000 00020000 bef85ac4 # [ 63.018325] 9fe0: 00000004 bef857f8 b6ee9d8f b6e707e6 # [ 63.023647] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 63.030083] ---[ end trace 17b6be55efc73da8 ]--- # 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>[ 64.131070] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 64.136929] lkdtm: attempting good list addition <6>[ 64.141887] lkdtm: attempting corrupted list addition <3>[ 64.147213] lkdtm: list_add() corruption not detected! # [ 64.131070] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 64.136929] lkdtm: attempting good list addition # [ 64.141887] lkdtm: attempting corrupted list addition # [ 64.147213] 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>[ 64.457620] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 64.463682] lkdtm: attempting good list removal <6>[ 64.468514] lkdtm: attempting corrupted list removal <3>[ 64.473791] lkdtm: list_del() corruption not detected! # [ 64.457620] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 64.463682] lkdtm: attempting good list removal # [ 64.468514] lkdtm: attempting corrupted list removal # [ 64.473791] 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>[ 64.776009] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 64.782605] lkdtm: attempting bad read from page below current stack <3>[ 64.789335] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 64.776009] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 64.782605] lkdtm: attempting bad read from page below current stack # [ 64.789335] 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>[ 65.102393] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 65.109113] lkdtm: attempting bad read from page above current stack <3>[ 65.115744] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 65.102393] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 65.109113] lkdtm: attempting bad read from page above current stack # [ 65.115744] 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>[ 65.432785] lkdtm: Performing direct entry UNSET_SMEP <3>[ 65.438124] lkdtm: XFAIL: this test is x86_64-only # [ 65.432785] lkdtm: Performing direct entry UNSET_SMEP # [ 65.438124] 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>[ 65.756117] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 65.761919] lkdtm: XFAIL: this test is ia32-only # [ 65.756117] lkdtm: Performing direct entry DOUBLE_FAULT # [ 65.761919] 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>[ 66.085196] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 66.090802] lkdtm: XFAIL: this test is arm64-only # [ 66.085196] lkdtm: Performing direct entry CORRUPT_PAC # [ 66.090802] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 66.413744] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 66.420540] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 66.413744] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 66.420540] 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>[ 67.079988] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 67.085760] lkdtm: Value in memory before free: 12345678 <6>[ 67.091574] lkdtm: Attempting bad read from freed memory <6>[ 67.097191] lkdtm: Memory was not poisoned # [ 67.079988] lkdtm: Performing direct entry READ_AFTER_FREE # [ 67.085760] lkdtm: Value in memory before free: 12345678 # [ 67.091574] lkdtm: Attempting bad read from freed memory # [ 67.097191] 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>[ 67.623629] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 67.630096] lkdtm: Value in memory before free: 12345678 <6>[ 67.635710] lkdtm: Attempting to read from freed memory <6>[ 67.641287] lkdtm: Buddy page was not poisoned # [ 67.623629] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 67.630096] lkdtm: Value in memory before free: 12345678 # [ 67.635710] lkdtm: Attempting to read from freed memory # [ 67.641287] 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>[ 67.963704] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 67.969771] lkdtm: Attempting double slab free ... # [ 67.963704] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 67.969771] 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>[ 68.292327] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 68.298105] lkdtm: Attempting cross-cache slab free ... # [ 68.292327] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 68.298105] 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>[ 68.631723] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 68.637411] lkdtm: Attempting non-Slab slab free ... # [ 68.631723] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 68.637411] 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 <4>[ 69.601628] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.609847] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.621071] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.650177] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.658773] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.667444] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.676073] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.686077] platform panel-lcd: deferred probe pending <6>[ 69.691574] platform panel-lvds0: deferred probe pending <6>[ 69.696022] lkdtm: Performing direct entry EXEC_DATA <6>[ 69.697169] platform backlight-lcd: deferred probe pending <6>[ 69.702672] lkdtm: attempting ok execution at c0c59094 <6>[ 69.708229] platform backlight-lvds: deferred probe pending <6>[ 69.713681] lkdtm: attempting bad execution at c27069e4 <6>[ 69.719517] platform 120000.hdmi: deferred probe pending <1>[ 69.730632] 8<--- cut here --- <1>[ 69.733956] Unable to handle kernel paging request at virtual address c27069e4 <1>[ 69.741447] pgd = 45663a9a <1>[ 69.744421] [c27069e4] *pgd=1261141e(bad) <0>[ 69.748712] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 69.754203] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 69.783499] CPU: 2 PID: 1727 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 69.791507] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 69.798308] PC is at data_area+0x0/0x40 <4>[ 69.802417] LR is at execute_location+0xa4/0xb4 <4>[ 69.807214] pc : [] lr : [] psr: 600e0013 <4>[ 69.813746] sp : c6a57e38 ip : c6a57d40 fp : c6a57e54 <4>[ 69.819235] r10: 0000000a r9 : c1ad5d78 r8 : c15ebd54 <4>[ 69.824727] r7 : c6a57f60 r6 : 00000001 r5 : c27069e4 r4 : c0c59094 <4>[ 69.831520] r3 : d691847d r2 : d691847d r1 : ef7ab5e0 r0 : 0000002b <4>[ 69.838314] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 69.845715] Control: 10c5387d Table: 16b2004a DAC: 00000051 <0>[ 69.851726] Process cat (pid: 1727, stack limit = 0x3e65cf46) <0>[ 69.857737] Stack: (0xc6a57e38 to 0xc6a58000) <0>[ 69.862362] 7e20: 0000001f c455c000 <0>[ 69.870810] 7e40: 0000000a c6a57f60 c6a57e64 c6a57e58 c13caf20 c13cad1c c6a57e74 c6a57e68 <0>[ 69.879258] 7e60: c0c58324 c13caf08 c6a57e9c c6a57e78 c0c58824 c0c58304 c0c58704 c6850f00 <0>[ 69.887706] 7e80: b6e1a000 0000000a c3021900 c6a57f60 c6a57ec4 c6a57ea0 c07e2094 c0c58710 <0>[ 69.896152] 7ea0: 00000000 c6850f00 b6e1a000 c290d000 c6a57f60 c07e2030 c6a57f5c c6a57ec8 <0>[ 69.904601] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a56000 <0>[ 69.913048] 7ee0: b6e1a000 00020000 00000004 0000000a 0001fff6 c6a57ee0 00000001 b6e19000 <0>[ 69.921493] 7f00: c6850140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 69.929941] 7f20: 00000000 00000000 c13e0318 d691847d c206c0e0 c6850f00 c6850f00 c6a56000 <0>[ 69.938387] 7f40: b6e1a000 00000000 00000000 00000004 c6a57f94 c6a57f60 c059c2c0 c059bc14 <0>[ 69.946833] 7f60: 00000000 00000000 c6a57fac d691847d 0000000a 0000000a b6f61e00 00000004 <0>[ 69.955280] 7f80: c03002e4 c6a56000 c6a57fa4 c6a57f98 c059c350 c059c258 00000000 c6a57fa8 <0>[ 69.963727] 7fa0: c03000c0 c059c344 0000000a 0000000a 00000001 b6e1a000 0000000a 00000000 <0>[ 69.972175] 7fc0: 0000000a 0000000a b6f61e00 00000004 00000001 00000000 00020000 bef54ac4 <0>[ 69.980623] 7fe0: 00000004 bef547f8 b6ecbd8f b6e527e6 800e0030 00000001 00000000 00000000 <0>[ 69.989063] Backtrace: <0>[ 69.991795] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 70.000243] r7:c6a57f60 r6:0000000a r5:c455c000 r4:0000001f <0>[ 70.006177] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 70.014538] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 70.022820] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 70.031007] r9:c6a57f60 r8:c3021900 r7:0000000a r6:b6e1a000 r5:c6850f00 r4:c0c58704 <0>[ 70.039029] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 70.047128] r9:c07e2030 r8:c6a57f60 r7:c290d000 r6:b6e1a000 r5:c6850f00 r4:00000000 <0>[ 70.055142] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 70.062548] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6a56000 r5:c6850f00 <0>[ 70.070642] r4:c6850f00 <0>[ 70.073447] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 70.080853] r9:c6a56000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:0000000a r4:0000000a <0>[ 70.088869] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 70.096704] Exception stack(0xc6a57fa8 to 0xc6a57ff0) <0>[ 70.102026] 7fa0: 0000000a 0000000a 00000001 b6e1a000 0000000a 00000000 <0>[ 70.110472] 7fc0: 0000000a 0000000a b6f61e00 00000004 00000001 00000000 00020000 bef54ac4 <0>[ 70.118915] 7fe0: 00000004 bef547f8 b6ecbd8f b6e527e6 <0>[ 70.124239] Code: 00000000 c2b08840 c2b08900 c2b089c0 (e1a0c00d) <4>[ 70.130604] ---[ end trace 17b6be55efc73da9 ]--- # Segmentation fault # [ 69.686077] platform panel-lcd: deferred probe pending # [ 69.691574] platform panel-lvds0: deferred probe pending # [ 69.696022] lkdtm: Performing direct entry EXEC_DATA # [ 69.697169] platform backlight-lcd: deferred probe pending # [ 69.702672] lkdtm: attempting ok execution at c0c59094 # [ 69.708229] platform backlight-lvds: deferred probe pending # [ 69.713681] lkdtm: attempting bad execution at c27069e4 # [ 69.719517] platform 120000.hdmi: deferred probe pending # [ 69.730632] 8<--- cut here --- # [ 69.733956] Unable to handle kernel paging request at virtual address c27069e4 # [ 69.741447] pgd = 45663a9a # [ 69.744421] [c27069e4] *pgd=1261141e(bad) # [ 69.748712] Internal error: Oops: 8000000d [#3] SMP ARM # [ 69.754203] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 69.783499] CPU: 2 PID: 1727 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 69.791507] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.798308] PC is at data_area+0x0/0x40 # [ 69.802417] LR is at execute_location+0xa4/0xb4 # [ 69.807214] pc : [] lr : [] psr: 600e0013 # [ 69.813746] sp : c6a57e38 ip : c6a57d40 fp : c6a57e54 # [ 69.819235] r10: 0000000a r9 : c1ad5d78 r8 : c15ebd54 # [ 69.824727] r7 : c6a57f60 r6 : 00000001 r5 : c27069e4 r4 : c0c59094 # [ 69.831520] r3 : d691847d r2 : d691847d r1 : ef7ab5e0 r0 : 0000002b # [ 69.838314] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 69.845715] Control: 10c5387d Table: 16b2004a DAC: 00000051 # [ 69.851726] Process cat (pid: 1727, stack limit = 0x3e65cf46) # [ 69.857737] Stack: (0xc6a57e38 to 0xc6a58000) # [ 69.862362] 7e20: 0000001f c455c000 # [ 69.870810] 7e40: 0000000a c6a57f60 c6a57e64 c6a57e58 c13caf20 c13cad1c c6a57e74 c6a57e68 # [ 69.879258] 7e60: c0c58324 c13caf08 c6a57e9c c6a57e78 c0c58824 c0c58304 c0c58704 c6850f00 # [ 69.887706] 7e80: b6e1a000 0000000a c3021900 c6a57f60 c6a57ec4 c6a57ea0 c07e2094 c0c58710 # [ 69.896152] 7ea0: 00000000 c6850f00 b6e1a000 c290d000 c6a57f60 c07e2030 c6a57f5c c6a57ec8 # [ 69.904601] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a56000 # [ 69.913048] 7ee0: b6e1a000 00020000 00000004 0000000a 0001fff6 c6a57ee0 00000001 b6e19000 # [ 69.921493] 7f00: c6850140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 69.929941] 7f20: 00000000 00000000 c13e0318 d691847d c206c0e0 c6850f00 c6850f00 c6a56000 # [ 69.938387] 7f40: b6e1a000 00000000 00000000 00000004 c6a57f94 c6a57f60 c059c2c0 c059bc14 # [ 69.946833] 7f60: 00000000 00000000 c6a57fac d691847d 0000000a 0000000a b6f61e00 00000004 # [ 69.955280] 7f80: c03002e4 c6a56000 c6a57fa4 c6a57f98 c059c350 c059c258 00000000 c6a57fa8 # [ 69.963727] 7fa0: c03000c0 c059c344 0000000a 0000000a 00000001 b6e1a000 0000000a 00000000 # [ 69.972175] 7fc0: 0000000a 0000000a b6f61e00 00000004 00000001 00000000 00020000 bef54ac4 # [ 69.980623] 7fe0: 00000004 bef547f8 b6ecbd8f b6e527e6 800e0030 00000001 00000000 00000000 # [ 69.989063] Backtrace: # [ 69.991795] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 70.000243] r7:c6a57f60 r6:0000000a r5:c455c000 r4:0000001f # [ 70.006177] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.014538] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.022820] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.031007] r9:c6a57f60 r8:c3021900 r7:0000000a r6:b6e1a000 r5:c6850f00 r4:c0c58704 # [ 70.039029] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 70.047128] r9:c07e2030 r8:c6a57f60 r7:c290d000 r6:b6e1a000 r5:c6850f00 r4:00000000 # [ 70.055142] [[ 70.563239] lkdtm: Performing direct entry EXEC_STACK 59bc08>] (vfs_wri)[ f r o7m.568774] lkdtm: attempting ok execution at c0c59094 [] (ksys_write+0x74/0x<6>[ 70.576412] lkdtm: attempting bad execution at c5febe0c ec) # [ 70.062548] r10:000000<1>[ 70.584710] 8<--- cut here --- 04 r9:00000000 r8:00000000 r7:b<6>[ 70.590805] Unable to handle kernel paging request at virtual address c5febe0c e1a000 r6:c6a56000 r5:c6850f00 < >[ 70.600980] pgd = ee446f9a # [ 70.070642] r4:c6850f00 # <1>[ 70.606636] [c5febe0c] *pgd=15e1141e(bad) [ 70.073447] [] (ksys<0>[ 70.613775] Internal error: Oops: 8000000d [#4] SMP ARM _write) from [] (sys_wr<4>[ 70.622116] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ite+0x18/0x1c) # [ 70.080853] <4>[ 70.654088] CPU: 2 PID: 1804 Comm: cat Tainted: G D W 5.10.210-cip44 #1 r9:c6a56000 r8:c03002e4 r7:<040>[ 70.664941] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00004 r6:b6f61e00 r5:0000000a r4:<4>[ 70.674339] PC is at 0xc5febe0c 0000000a # [ 70.088869] [[ 70.680616] LR is at execute_location+0xa4/0xb4 c338>] (sys_write) from [[ 70.688254] pc : [] lr : [] psr: 600e0013 c0>] (ret_fast_syscall+0x<04/>0[x 70.697471] sp : c5febde8 ip : c5febcf0 fp : c5febe04 28) # [ 70.096704] Except[ 70.705388] r10: 0000000b r9 : c1ad5d84 r8 : c15ebd54 stack(0xc6a57fa8 to 0xc6a57[ 70.713474] r7 : c5febf60 r6 : 00000001 r5 : c5febe0c r4 : c0c59094 ) # [ 70.102026] 7fa0: < 4>[ 70.722867] r3 : 702b7d34 r2 : 702b7d34 r1 : ef7ab5e0 r0 : 0000002b 0000000a 0000000a 0004>[ 70.732345] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00001 b6e1a000 0000000a 000000<04>[ 70.742513] Control: 10c5387d Table: 15f1004a DAC: 00000051 # [ 70.110472] 7fc0: 000000<0>[ 70.751208] Process cat (pid: 1804, stack limit = 0x5b628a10) a 0000000a b6f61e00 00000004 0<00>[ 70.759903] Stack: (0xc5febde8 to 0xc5fec000) 00001 00000000 00020000 bef54ac4 <0>[ 70.767222] bde0: c5fea000 c455c000 0000000b c5febf60 c5febe64 c5febe08 # [ 70.118915] 7fe0: 00000004 <0>[ 70.778519] be00: c13caf5c c13cad1c c5febe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 bef547f8 b6ecbd8f b6e527e6 # [ <0>[ 70.789820] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8 70.124239] Code: 00000000 c2b088<0>[ 70.801120] be40: e3a02040 e3a01d33 e5930018 702b7d34 0000000b 00000020 c5febe74 c5febe68 40 c2b08900 c2b089c0 (e1a0c00d) <0>[ 70.812418] be60: c0c58324 c13caf30 c5febe9c c5febe78 c0c58824 c0c58304 c0c58704 c47f17c0 # [ 70.130604] ---[ end trace <0>[ 70.823720] be80: b6e22000 0000000b c3021900 c5febf60 c5febec4 c5febea0 c07e2094 c0c58710 17b6be55efc73da9 ]--- # EXEC_DAT<0>[ 70.835017] bea0: 00000000 c47f17c0 b6e22000 c290d000 c5febf60 c07e2030 c5febf5c c5febec8 A: missing 'call trace:': [FAIL] <0>[ 70.846317] bec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c5fea000 not ok 30 selftests: lkdtm: EXEC<0>[ 70.857615] bee0: b6e22000 00020000 00000004 0000000b 0001fff5 c5febee0 00000001 b6e21000 _DATA.sh # exit=1 # selftests: l<0>[ 70.868913] bf00: c4332500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 kdtm: EXEC_STACK.sh <0>[ 70.880216] bf20: 00000000 00000000 c13e0318 702b7d34 c206c0e0 c47f17c0 c47f17c0 c5fea000 <0>[ 70.890473] bf40: b6e22000 00000000 00000000 00000004 c5febf94 c5febf60 c059c2c0 c059bc14 <0>[ 70.898943] bf60: 00000000 00000000 c5febfac 702b7d34 0000000b 0000000b b6f69e00 00000004 <0>[ 70.907412] bf80: c03002e4 c5fea000 c5febfa4 c5febf98 c059c350 c059c258 00000000 c5febfa8 <0>[ 70.915880] bfa0: c03000c0 c059c344 0000000b 0000000b 00000001 b6e22000 0000000b 00000000 <0>[ 70.924348] bfc0: 0000000b 0000000b b6f69e00 00000004 00000001 00000000 00020000 be84dac4 <0>[ 70.932816] bfe0: 00000004 be84d7f8 b6ed3d8f b6e5a7e6 800e0030 00000001 00000000 00000000 <0>[ 70.941271] Backtrace: <0>[ 70.944033] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 70.952595] r7:c5febf60 r6:0000000b r5:c455c000 r4:c5fea000 <0>[ 70.958558] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 70.967018] r4:00000020 <0>[ 70.969848] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 70.978158] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 70.986370] r9:c5febf60 r8:c3021900 r7:0000000b r6:b6e22000 r5:c47f17c0 r4:c0c58704 <0>[ 70.994419] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.002543] r9:c07e2030 r8:c5febf60 r7:c290d000 r6:b6e22000 r5:c47f17c0 r4:00000000 <0>[ 71.010583] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.018011] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5fea000 r5:c47f17c0 <0>[ 71.026121] r4:c47f17c0 <0>[ 71.028951] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.036378] r9:c5fea000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:0000000b r4:0000000b <0>[ 71.044419] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.052273] Exception stack(0xc5febfa8 to 0xc5febff0) <0>[ 71.057617] bfa0: 0000000b 0000000b 00000001 b6e22000 0000000b 00000000 <0>[ 71.066087] bfc0: 0000000b 0000000b b6f69e00 00000004 00000001 00000000 00020000 be84dac4 <0>[ 71.074549] bfe0: 00000004 be84d7f8 b6ed3d8f b6e5a7e6 <0>[ 71.079893] Code: c5febe08 c13caf5c c13cad1c c5febe6c (e1a0c00d) <4>[ 71.086280] ---[ end trace 17b6be55efc73daa ]--- # Segmentation fault # [ 70.563239] lkdtm: Performing direct entry EXEC_STACK # [ 70.568774] lkdtm: attempting ok execution at c0c59094 # [ 70.576412] lkdtm: attempting bad execution at c5febe0c # [ 70.584710] 8<--- cut here --- # [ 70.590805] Unable to handle kernel paging request at virtual address c5febe0c # [ 70.600980] pgd = ee446f9a # [ 70.606636] [c5febe0c] *pgd=15e1141e(bad) # [ 70.613775] Internal error: Oops: 8000000d [#4] SMP ARM # [ 70.622116] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 70.654088] CPU: 2 PID: 1804 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 70.664941] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.674339] PC is at 0xc5febe0c # [ 70.680616] LR is at execute_location+0xa4/0xb4 # [ 70.688254] pc : [] lr : [] psr: 600e0013 # [ 70.697471] sp : c5febde8 ip : c5febcf0 fp : c5febe04 # [ 70.705388] r10: 0000000b r9 : c1ad5d84 r8 : c15ebd54 # [ 70.713474] r7 : c5febf60 r6 : 00000001 r5 : c5febe0c r4 : c0c59094 # [ 70.722867] r3 : 702b7d34 r2 : 702b7d34 r1 : ef7ab5e0 r0 : 0000002b # [ 70.732345] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.742513] Control: 10c5387d Table: 15f1004a DAC: 00000051 # [ 70.751208] Process cat (pid: 1804, stack limit = 0x5b628a10) # [ 70.759903] Stack: (0xc5febde8 to 0xc5fec000) # [ 70.767222] bde0: c5fea000 c455c000 0000000b c5febf60 c5febe64 c5febe08 # [ 70.778519] be00: c13caf5c c13cad1c c5febe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 70.789820] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8 # [ 70.801120] be40: e3a02040 e3a01d33 e5930018 702b7d34 0000000b 00000020 c5febe74 c5febe68 # [ 70.812418] be60: c0c58324 c13caf30 c5febe9c c5febe78 c0c58824 c0c58304 c0c58704 c47f17c0 # [ 70.823720] be80: b6e22000 0000000b c3021900 c5febf60 c5febec4 c5febea0 c07e2094 c0c58710 # [ 70.835017] bea0: 00000000 c47f17c0 b6e22000 c290d000 c5febf60 c07e2030 c5febf5c c5febec8 # [ 70.846317] bec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c5fea000 # [ 70.857615] bee0: b6e22000 00020000 00000004 0000000b 0001fff5 c5febee0 00000001 b6e21000 # [ 70.868913] bf00: c4332500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.880216] bf20: 00000000 00000000 c13e0318 702b7d34 c206c0e0 c47f17c0 c47f17c0 c5fea000 # [ 70.890473] bf40: b6e22000 00000000 00000000 00000004 c5febf94 c5febf60 c059c2c0 c059bc14 # [ 70.898943] bf60: 00000000 00000000 c5febfac 702b7d34 0000000b 0000000b b6f69e00 00000004 # [ 70.907412] bf80: c03002e4 c5fea000 c5febfa4 c5febf98 c059c350 c059c258 00000000 c5febfa8 # [ 70.915880] bfa0: c03000c0 c059c344 0000000b 0000000b 00000001 b6e22000 0000000b 00000000 # [ 70.924348] bfc0: 0000000b 0000000b b6f69e00 00000004 00000001 00000000 00020000 be84dac4 # [ 70.932816] bfe0: 00000004 be84d7f8 b6ed3d8f b6e5a7e6 800e0030 00000001 00000000 00000000 # [ 70.941271] Backtrace: # [ 70.944033] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 70.952595] r7:c5febf60 r6:0000000b r5:c455c000 r4:c5fea000 # [ 70.958558] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.967018] r4:00000020 # [ 70.969848] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.978158] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.986370] r9:c5febf60 r8:c3021900 r7:0000000b r6:b6e22000 r5:c47f17c0 r4:c0c58704 # [ 70.994419] [] (full_pr<6>[ 71.510963] lkdtm: Performing direct entry EXEC_KMALLOC oxy_write) from [>[] 71.517801] lkdtm: attempting ok execution at c0c59094 (vfs_write+0x10c/0x53c) # [ 71<6>[ 71.525716] lkdtm: attempting bad execution at c5b38f40 .002543] r9:c07e2030 r8:c5febf60<1>[ 71.534115] 8<--- cut here --- r7:c290d000 r6:b<61e>2[2 0 0 07 .540160] Unable to handle kernel paging request at virtual address c5b38f40 r5:c47f17c0 r4:00<010>0[0 0 0 7 1.549722] pgd = d21ccaec # [ 71.010583] [] <1([ 71.554767] [c5b38f40] *pgd=15a1141e(bad) vfs_write) from [c[2 c 0 71.561641] Internal error: Oops: 8000000d [#5] SMP ARM ] (ksys_write+0x74/0xec) # [ 7<4>[ 71.569376] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 1.018011] r10:00000004< 4r>9[: 0 71.601337] CPU: 1 PID: 1884 Comm: cat Tainted: G D W 5.10.210-cip44 #1 0000000 r8:0000<040>0[0 r 77:1b611673] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6e22000 r6:c5fea000< 4r>5[: c 4 71.620457] PC is at 0xc5b38f40 f17c0 # [ 71.026121] r4:[ 71.626030] LR is at execute_location+0xa4/0xb4 f17c0 # [ 71.<042>8[9 5 1 7]1 633411] pc : [] lr : [] psr: 600e0013 []< 4(>k[s y s _7w1r.i641929] sp : c6867e30 ip : c6867d38 fp : c6867e4c e) from [<5[9 c 3 5701>.]6 49319] r10: 0000000d r9 : c1ad5d90 r8 : c15ebd54 sys_write+0x18/<04x>[1 c ) 7 1#.656624] r7 : c6867f60 r6 : 00000001 r5 : c5b38f40 r4 : c0c59094 [ 71.036378] < 4r>9[: c 5 f7e1a665402] r3 : a82bce17 r2 : a82bce17 r1 : ef7965e0 r0 : 0000002b 000 r8:c03002e4 r7:<040>0[0 0 0 01.674183] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 4 r6:b6f69e00 r5<:40>0[0 0 0 0701.683740] Control: 10c5387d Table: 16dec04a DAC: 00000051 r4:0000000b # [< 0 > [7 1 . 074.691826] Process cat (pid: 1884, stack limit = 0x60fbc1e6) 4419] [>[] ( s7y1s.699908] Stack: (0xc6867e30 to 0xc6868000) write) from [<]0 >([r e 71.706522] 7e20: c5b38f40 c5fd3000 0000000d c6867f60 t_fast_syscall+0x0/08[) 71.717297] 7e40: c6867e64 c6867e50 c0c590e4 c13cad1c 00000021 c5fd3000 c6867e74 c6867e68 [ 71.052273] Exct[i o n 1.727985] 7e60: c0c58324 c0c590b8 c6867e9c c6867e78 c0c58824 c0c58304 c0c58704 c41d5540 stack(0xc5febfa8 to 05[f e b71.738588] 7e80: b6e4f000 0000000d c3021900 c6867f60 c6867ec4 c6867ea0 c07e2094 c0c58710 ff0) # [ 71.057617<]0 >b[f a 071.749277] 7ea0: 00000000 c41d5540 b6e4f000 c290d000 c6867f60 c07e2030 c6867f5c c6867ec8 : 0<000>0[0 0 071.759965] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6866000 b 0000000b 00000001 b6e<202>0[0 0 71.770655] 7ee0: b6e4f000 00020000 00000004 0000000d 0001fff3 c6867ee0 00000001 b6e4e000 0000000b 00000000 < 0#> [[ 1.781428] 7f00: c47f12c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 71.066087] bfc0: 00000<000>b[ 0 71.792032] 7f20: 00000000 00000000 c13e0318 a82bce17 c206c0e0 c41d5540 c41d5540 c6866000 00000b b6f69e00 0000<000>0[4 0 71.802806] 7f40: b6e4f000 00000000 00000000 00000004 c6867f94 c6867f60 c059c2c0 c059bc14 000001 00000000 00020<000>0[ b e71.813495] 7f60: 00000000 00000000 c6867fac a82bce17 0000000d 0000000d b6f96e00 00000004 84dac4 # [ 71.0745<409>][ b f71.824184] 7f80: c03002e4 c6866000 c6867fa4 c6867f98 c059c350 c059c258 00000000 c6867fa8 e0: 00000004 be84d7f8< 0b>6[e d 371.834871] 7fa0: c03000c0 c059c344 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 d8f b6e5a7e6 # [ 7<10.>0[7 9 871.845559] 7fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 be854ac4 93] Code: c5febe08 c13f[5 c 71.856248] 7fe0: 00000004 be8547f8 b6f00d8f b6e877e6 800e0030 00000001 00000000 00000000 c13cad1c c5febe6c <(0e>1[a 0 c 071.867016] Backtrace: d) # [ 71.086280] ---[ end tr<0>[ 71.871906] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) ace 17b6be55efc73daa ]--<-0 > [# 71.883455] r7:c6867f60 r6:0000000d r5:c5fd3000 r4:c5b38f40 EXEC_STACK: missing 'calt[r 71.891801] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) ce:': [FAIL] noo[k 3 17 1.902831] r5:c5fd3000 r4:00000021 elftests: lkdtm: EXEC_SC[K . 71.908750] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) sh # exit=1 # selftests: lkdtm:<0>[ 71.919357] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) EXEC_KMALLOC.sh <0>[ 71.930299] r9:c6867f60 r8:c3021900 r7:0000000d r6:b6e4f000 r5:c41d5540 r4:c0c58704 <0>[ 71.939778] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.947881] r9:c07e2030 r8:c6867f60 r7:c290d000 r6:b6e4f000 r5:c41d5540 r4:00000000 <0>[ 71.955896] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.963302] r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c6866000 r5:c41d5540 <0>[ 71.971397] r4:c41d5540 <0>[ 71.974203] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.981607] r9:c6866000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000d r4:0000000d <0>[ 71.989624] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.997459] Exception stack(0xc6867fa8 to 0xc6867ff0) <0>[ 72.002779] 7fa0: 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 <0>[ 72.011225] 7fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 be854ac4 <0>[ 72.019670] 7fe0: 00000004 be8547f8 b6f00d8f b6e877e6 <0>[ 72.024994] Code: 00000000 00000000 ffffffff 00000000 (e1a0c00d) <4>[ 72.031358] ---[ end trace 17b6be55efc73dab ]--- # Segmentation fault # [ 71.510963] lkdtm: Performing direct entry EXEC_KMALLOC # [ 71.517801] lkdtm: attempting ok execution at c0c59094 # [ 71.525716] lkdtm: attempting bad execution at c5b38f40 # [ 71.534115] 8<--- cut here --- # [ 71.540160] Unable to handle kernel paging request at virtual address c5b38f40 # [ 71.549722] pgd = d21ccaec # [ 71.554767] [c5b38f40] *pgd=15a1141e(bad) # [ 71.561641] Internal error: Oops: 8000000d [#5] SMP ARM # [ 71.569376] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 71.601337] CPU: 1 PID: 1884 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 71.611673] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.620457] PC is at 0xc5b38f40 # [ 71.626030] LR is at execute_location+0xa4/0xb4 # [ 71.633411] pc : [] lr : [] psr: 600e0013 # [ 71.641929] sp : c6867e30 ip : c6867d38 fp : c6867e4c # [ 71.649319] r10: 0000000d r9 : c1ad5d90 r8 : c15ebd54 # [ 71.656624] r7 : c6867f60 r6 : 00000001 r5 : c5b38f40 r4 : c0c59094 # [ 71.665402] r3 : a82bce17 r2 : a82bce17 r1 : ef7965e0 r0 : 0000002b # [ 71.674183] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.683740] Control: 10c5387d Table: 16dec04a DAC: 00000051 # [ 71.691826] Process cat (pid: 1884, stack limit = 0x60fbc1e6) # [ 71.699908] Stack: (0xc6867e30 to 0xc6868000) # [ 71.706522] 7e20: c5b38f40 c5fd3000 0000000d c6867f60 # [ 71.717297] 7e40: c6867e64 c6867e50 c0c590e4 c13cad1c 00000021 c5fd3000 c6867e74 c6867e68 # [ 71.727985] 7e60: c0c58324 c0c590b8 c6867e9c c6867e78 c0c58824 c0c58304 c0c58704 c41d5540 # [ 71.738588] 7e80: b6e4f000 0000000d c3021900 c6867f60 c6867ec4 c6867ea0 c07e2094 c0c58710 # [ 71.749277] 7ea0: 00000000 c41d5540 b6e4f000 c290d000 c6867f60 c07e2030 c6867f5c c6867ec8 # [ 71.759965] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6866000 # [ 71.770655] 7ee0: b6e4f000 00020000 00000004 0000000d 0001fff3 c6867ee0 00000001 b6e4e000 # [ 71.781428] 7f00: c47f12c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.792032] 7f20: 00000000 00000000 c13e0318 a82bce17 c206c0e0 c41d5540 c41d5540 c6866000 # [ 71.802806] 7f40: b6e4f000 00000000 00000000 00000004 c6867f94 c6867f60 c059c2c0 c059bc14 # [ 71.813495] 7f60: 00000000 00000000 c6867fac a82bce17 0000000d 0000000d b6f96e00 00000004 # [ 71.824184] 7f80: c03002e4 c6866000 c6867fa4 c6867f98 c059c350 c059c258 00000000 c6867fa8 # [ 71.834871] 7fa0: c03000c0 c059c344 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 # [ 71.845559] 7fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 be854ac4 # [ 71.856248] 7fe0: 00000004 be8547f8 b6f00d8f b6e877e6 800e0030 00000001 00000000 00000000 # [ 71.867016] Backtrace: # [ 71.871906] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 71.883455] r7:c6867f60 r6:0000000d r5:c5fd3000 r4:c5b38f40 # [ 71.891801] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.902831] r5:c5fd3000 r4:00000021 # [ 71.908750] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.919357] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.930299] r9:c6867f60 r8:c3021900 r7:0000000d r6:b6<6>[ 72.471406] lkdtm: Performing direct entry EXEC_VMALLOC e4f000 r5:c41d5540 r4:c0c58704 #<6>[ 72.477235] lkdtm: attempting ok execution at c0c59094 [ 71.939778] [] (ful<6>[ 72.485566] lkdtm: attempting bad execution at f09ed000 l_proxy_write) from [] <1>[ 72.493985] 8<--- cut here --- (vfs_write+0x10c/0x53c) # [ 71<1>[ 72.500205] Unable to handle kernel paging request at virtual address f09ed000 .947881] r9:c07e2030 r8:c6867f60<1>[ 72.510542] pgd = d21ccaec r7:c290d000 r6:b6e4f000 r5:c41d5<1>[ 72.516367] [f09ed000] *pgd=12958811, *pte=4939065f, *ppte=4939045f 540 r4:00000000 # [ 71.955896]<0>[ 72.525780] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 72.534091] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 72.563388] CPU: 0 PID: 1962 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 72.571397] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 72.578193] PC is at 0xf09ed000 <4>[ 72.581610] LR is at execute_location+0xa4/0xb4 <4>[ 72.586406] pc : [] lr : [] psr: 600e0013 <4>[ 72.592938] sp : c5f95e30 ip : c5f95d38 fp : c5f95e4c <4>[ 72.598428] r10: 0000000d r9 : c1ad5da0 r8 : c15ebd54 <4>[ 72.603918] r7 : c5f95f60 r6 : 00000001 r5 : f09ed000 r4 : c0c59094 <4>[ 72.610712] r3 : c64d2f9c r2 : c64d2f9c r1 : ef7815e0 r0 : 0000002b <4>[ 72.617507] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 72.624908] Control: 10c5387d Table: 16dec04a DAC: 00000051 <0>[ 72.630921] Process cat (pid: 1962, stack limit = 0x86ff6da2) <0>[ 72.636933] Stack: (0xc5f95e30 to 0xc5f96000) <0>[ 72.641559] 5e20: f09ed000 c5f7b000 0000000d c5f95f60 <0>[ 72.650004] 5e40: c5f95e64 c5f95e50 c0c59118 c13cad1c 00000022 c5f7b000 c5f95e74 c5f95e68 <0>[ 72.658450] 5e60: c0c58324 c0c590fc c5f95e9c c5f95e78 c0c58824 c0c58304 c0c58704 c6808c80 <0>[ 72.666897] 5e80: b6e0d000 0000000d c3021900 c5f95f60 c5f95ec4 c5f95ea0 c07e2094 c0c58710 <0>[ 72.675344] 5ea0: 00000000 c6808c80 b6e0d000 c290d000 c5f95f60 c07e2030 c5f95f5c c5f95ec8 <0>[ 72.683790] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c5f94000 <0>[ 72.692234] 5ee0: b6e0d000 00020000 00000004 0000000d 0001fff3 c5f95ee0 00000001 b6e0c000 <0>[ 72.700679] 5f00: c6863680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 72.709124] 5f20: 00000000 00000000 c13e0318 c64d2f9c c206c0e0 c6808c80 c6808c80 c5f94000 <0>[ 72.717570] 5f40: b6e0d000 00000000 00000000 00000004 c5f95f94 c5f95f60 c059c2c0 c059bc14 <0>[ 72.726015] 5f60: 00000000 00000000 c5f95fac c64d2f9c 0000000d 0000000d b6f54e00 00000004 <0>[ 72.734463] 5f80: c03002e4 c5f94000 c5f95fa4 c5f95f98 c059c350 c059c258 00000000 c5f95fa8 <0>[ 72.742909] 5fa0: c03000c0 c059c344 0000000d 0000000d 00000001 b6e0d000 0000000d 00000000 <0>[ 72.751356] 5fc0: 0000000d 0000000d b6f54e00 00000004 00000001 00000000 00020000 bea35ac4 <0>[ 72.759803] 5fe0: 00000004 bea357f8 b6ebed8f b6e457e6 800e0030 00000001 00000000 00000000 <0>[ 72.768243] Backtrace: <0>[ 72.770974] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 72.779681] r7:c5f95f60 r6:0000000d r5:c5f7b000 r4:f09ed000 <0>[ 72.785612] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.794229] r5:c5f7b000 r4:00000022 <0>[ 72.798074] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.806353] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.814542] r9:c5f95f60 r8:c3021900 r7:0000000d r6:b6e0d000 r5:c6808c80 r4:c0c58704 <0>[ 72.822561] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 72.830662] r9:c07e2030 r8:c5f95f60 r7:c290d000 r6:b6e0d000 r5:c6808c80 r4:00000000 <0>[ 72.838675] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.846081] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c5f94000 r5:c6808c80 <0>[ 72.854175] r4:c6808c80 <0>[ 72.856979] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.864382] r9:c5f94000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:0000000d r4:0000000d <0>[ 72.872399] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.880232] Exception stack(0xc5f95fa8 to 0xc5f95ff0) <0>[ 72.885551] 5fa0: 0000000d 0000000d 00000001 b6e0d000 0000000d 00000000 <0>[ 72.893996] 5fc0: 0000000d 0000000d b6f54e00 00000004 00000001 00000000 00020000 bea35ac4 <0>[ 72.902439] 5fe0: 00000004 bea357f8 b6ebed8f b6e457e6 <0>[ 72.907763] Code: bad PC value [] (vfs_write) from [<<4>[ 72.911149] ---[ end trace 17b6be55efc73dac ]--- c059c2c0>] (ksys_write+0x74/0xec) # [ 71.963302] r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c6866000 r5:c41d5540 # [ 71.971397] r4:c41d5540 # [ 71.974203] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.981607] r9:c6866000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000d r4:0000000d # [ 71.989624] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.997459] Exception stack(0xc6867fa8 to 0xc6867ff0) # [ 72.002779] 7fa0: 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 # [ 72.011225] 7fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 be854ac4 # [ 72.019670] 7fe0: 00000004 be8547f8 b6f00d8f b6e877e6 # [ 72.024994] Code: 00000000 00000000 ffffffff 00000000 (e1a0c00d) # [ 72.031358] ---[ end trace 17b6be55efc73dab ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 72.471406] lkdtm: Performing direct entry EXEC_VMALLOC # [ 72.477235] lkdtm: attempting ok execution at c0c59094 # [ 72.485566] lkdtm: attempting bad execution at f09ed000 # [ 72.493985] 8<--- cut here --- # [ 72.500205] Unable to handle kernel paging request at virtual address f09ed000 # [ 72.510542] pgd = d21ccaec # [ 72.516367] [f09ed000] *pgd=12958811, *pte=4939065f, *ppte=4939045f # [ 72.525780] Internal error: Oops: 8000000f [#6] SMP ARM # [ 72.534091] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 72.563388] CPU: 0 PID: 1962 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 72.571397] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.578193] PC is at 0xf09ed000 # [ 72.581610] LR is at execute_location+0xa4/0xb4 # [ 72.586406] pc : [] lr : [] psr: 600e0013 # [ 72.592938] sp : c5f95e30 ip : c5f95d38 fp : c5f95e4c # [ 72.598428] r10: 0000000d r9 : c1ad5da0 r8 : c15ebd54 # [ 72.603918] r7 : c5f95f60 r6 : 00000001 r5 : f09ed000 r4 : c0c59094 # [ 72.610712] r3 : c64d2f9c r2 : c64d2f9c r1 : ef7815e0 r0 : 0000002b # [ 72.617507] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.624908] Control: 10c5387d Table: 16dec04a DAC: 00000051 # [ 72.630921] Process cat (pid: 1962, stack limit = 0x86ff6da2) # [ 72.636933] Stack: (0xc5f95e30 to 0xc5f96000) # [ 72.641559] 5e20: f09ed000 c5f7b000 0000000d c5f95f60 # [ 72.650004] 5e40: c5f95e64 c5f95e50 c0c59118 c13cad1c 00000022 c5f7b000 c5f95e74 c5f95e68 # [ 72.658450] 5e60: c0c58324 c0c590fc c5f95e9c c5f95e78 c0c58824 c0c58304 c0c58704 c6808c80 # [ 72.666897] 5e80: b6e0d000 0000000d c3021900 c5f95f60 c5f95ec4 c5f95ea0 c07e2094 c0c58710 # [ 72.675344] 5ea0: 00000000 c6808c80 b6e0d000 c290d000 c5f95f60 c07e2030 c5f95f5c c5f95ec8 # [ 72.683790] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c5f94000 # [ 72.692234] 5ee0: b6e0d000 00020000 00000004 0000000d 0001fff3 c5f95ee0 00000001 b6e0c000 # [ 72.700679] 5f00: c6863680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.709124] 5f20: 00000000 00000000 c13e0318 c64d2f9c c206c0e0 c6808c80 c6808c80 c5f94000 # [ 72.717570] 5f40: b6e0d000 00000000 00000000 00000004 c5f95f94 c5f95f60 c059c2c0 c059bc14 # [ 72.726015] 5f60: 00000000 00000000 c5f95fac c64d2f9c 0000000d 0000000d b6f54e00 00000004 # [ 72.734463] 5f80: c03002e4 c5f94000 c5f95fa4 c5f95f98 c059c350 c059c258 00000000 c5f95fa8 # [ 72.742909] 5fa0: c03000c0 c059c344 0000000d 0000000d 00000001 b6e0d000 0000000d 00000000 # [ 72.751356] 5fc0: 0000000d 0000000d b6f54e00 00000004 00000001 00000000 00020000 bea35ac4 # [ 72.759803] 5fe0: 00000004 bea357f8 b6ebed8f b6e457e6 800e0030 00000001 00000000 00000000 # [ 72.768243] Backtrace: # [ 72.770974] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 72.779681] r7:c5f95f60 r6:0000000d r5:c5f7b000 r4:f09ed000 # [ 72.785612] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.794229] r5:c5f7b000 r4:00000022 # [ 72.798074] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.806353] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.814542] r9:c5f95f60 r8:c3021900 r7:0000000d r6:b6e0d000 r5:c6808c80 r4:c0c58704 # [ 72.822561] [] (full_proxy_wri<6>[ 73.341610] lkdtm: Performing direct entry EXEC_RODATA te) from [] (s[_ w 73.347577] lkdtm: attempting ok execution at c0c59094 rite+0x10c/0x53c) # [ 72.83066<6>[ 73.355415] lkdtm: attempting bad execution at c15ebff0 2] r9:c07e2030 r8:c5f95f60 r7:c2<1>[ 73.363812] 8<--- cut here --- 90d000 r6:b<61e>0[d 0 0 07 3r.3569853] Unable to handle kernel paging request at virtual address c15ebff0 c68080[ r 4 :7030.0307090109] pgd = 48d04bea 0 # [ 72.838675] [b[c 73.383693] [c15ebff0] *pgd=1141941e(bad) 8>] (vfs_write) fro[[< c 0 53.390400] Internal error: Oops: 8000000d [#7] SMP ARM 9c2c0>] (ksys_write+0x74/0xec) #<4>[ 73.398052] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 72.846081] < 4r>1[ 0 : 07030430016] CPU: 1 PID: 2040 Comm: cat Tainted: G D W 5.10.210-cip44 #1 00004 r9:0<040>0[0 0 0 07 3r.84:40010] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000 r7:b6e0d000 r6:c5f940<040[ 73.448632] PC is at lkdtm_rodata_do_nothing+0x0/0x10 r5:c6808c80 # [ <742>.[8 5 4 73.456542] LR is at execute_location+0xa4/0xb4 75] r4:c68<048>c[8 0 7#3 .[4 3583] pc : [] lr : [] psr: 600e0013 72.85697<94]> [[ < c 07539.c4271930] sp : c5f95e38 ip : c5f95d40 fp : c5f95e54 c>] (ksys_i[t e ) 7f3r.o4m79237] r10: 0000000c r9 : c1ad5db0 r8 : c15ebd54 [<]4 >([s y s _7w3r.i4t6544] r7 : c5f95f60 r6 : 00000000 r5 : c15ebff0 r4 : c0c59094 e+0x18/0x1 [ # [7 3 .4 97152] r3 : ea105817 r2 : ea105817 r1 : ef7965e0 r0 : 0000002b 2.864382] r9:f[9 4 0 0703 .503676] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 8:c0300<24e>4[ r 7 :7030.050103063] Control: 10c5387d Table: 16e2c04a DAC: 00000051 04 r6:b6f54e0<00 >r[5 : 07030.0520720] Process cat (pid: 2040, stack limit = 0x86ff6da2) 00d r4:000000<00d> [ # [7 3 . 28634] Stack: (0xc5f95e38 to 0xc5f96000) 72.872399] [3[3 8 > ]7 3.535161] 5e20: 00000023 c6c9f000 sys_write) from [0[0 c 0 73.545682] 5e40: 0000000c c5f95f60 c5f95e64 c5f95e58 c13caf9c c13cad1c c5f95e74 c5f95e68 ] (ret_fast_sysc<0a>l[l + 0 x703/556372] 5e60: c0c58324 c13caf84 c5f95e9c c5f95e78 c0c58824 c0c58304 c0c58704 c43332c0 0x28) # [ 72.<808>0[2 3 2 ]7 3.566804] 5e80: b6e10000 0000000c c3021900 c5f95f60 c5f95ec4 c5f95ea0 c07e2094 c0c58710 xception stack(0xf[9 5 f a78.577324] 5ea0: 00000000 c43332c0 b6e10000 c290d000 c5f95f60 c07e2030 c5f95f5c c5f95ec8 to 0xc5f95ff0) < 0#> [[ 773.587842] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c5f94000 .885551] 5fa0: < 0 > [ 7 3 598360] 5ee0: b6e10000 00020000 00000004 0000000c 0001fff4 c5f95ee0 00000001 b6e0f000 00000000[0 0 0 0703.608792] 5f00: c684a500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 d 00000001 b6e0d000< 00>0[0 0 0 03.619312] 5f20: 00000000 00000000 c13e0318 ea105817 c206c0e0 c43332c0 c43332c0 c5f94000 0d 00000000 #< 0[> [ 7 27.38.629914] 5f40: b6e10000 00000000 00000000 00000004 c5f95f94 c5f95f60 c059c2c0 c059bc14 3996] 5fc0: 0000<000>0[d 0 0703.640348] 5f60: 00000000 00000000 c5f95fac ea105817 0000000c 0000000c b6f57e00 00000004 000d b6f54e00 00<000>0[0 0 4 703.650866] 5f80: c03002e4 c5f94000 c5f95fa4 c5f95f98 c059c350 c059c258 00000000 c5f95fa8 000001 00000000< 00>0[0 2 0 07030661384] 5fa0: c03000c0 c059c344 0000000c 0000000c 00000001 b6e10000 0000000c 00000000 bea35ac4 # [< 0 > [7 2 . 97032.671817] 5fc0: 0000000c 0000000c b6f57e00 00000004 00000001 00000000 00020000 be822ac4 39] 5fe0: 000000<004> [b e a 3753.682250] 5fe0: 00000004 be8227f8 b6ec1d8f b6e487e6 800e0030 00000001 00000000 00000000 f8 b6ebed8f b6e<405>7[e 6 7#3 692761] Backtrace: [ 72.907763] Code: bad< 0P>C[ 73.697475] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) alue # [ 72.911<104>9[] - -73.708510] r7:c5f95f60 r6:0000000c r5:c6c9f000 r4:00000023 [ end trace 17b6be55efc<703>d[a c 73.716602] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) ]--- # EXEC_VMAO[C : m7i.727464] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ssing 'call trace:': [FA][ 73.737815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) not ok 33 selftests:< 0l>k[d t m 73.748418] r9:c5f95f60 r8:c3021900 r7:0000000c r6:b6e10000 r5:c43332c0 r4:c0c58704 EXEC_VMALLOC.sh # exit=1< 0 >#[ 73.758681] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) selftests: lkdt [E X E C7_3R769193] r9:c07e2030 r8:c5f95f60 r7:c290d000 r6:b6e10000 r5:c43332c0 r4:00000000 ODATA.sh <0>[ 73.779193] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.787453] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c5f94000 r5:c43332c0 <0>[ 73.795547] r4:c43332c0 <0>[ 73.798353] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.805757] r9:c5f94000 r8:c03002e4 r7:00000004 r6:b6f57e00 r5:0000000c r4:0000000c <0>[ 73.813771] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.821604] Exception stack(0xc5f95fa8 to 0xc5f95ff0) <0>[ 73.826925] 5fa0: 0000000c 0000000c 00000001 b6e10000 0000000c 00000000 <0>[ 73.835374] 5fc0: 0000000c 0000000c b6f57e00 00000004 00000001 00000000 00020000 be822ac4 <0>[ 73.843819] 5fe0: 00000004 be8227f8 b6ec1d8f b6e487e6 <0>[ 73.849142] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 73.855507] ---[ end trace 17b6be55efc73dad ]--- # Segmentation fault # [ 73.341610] lkdtm: Performing direct entry EXEC_RODATA # [ 73.347577] lkdtm: attempting ok execution at c0c59094 # [ 73.355415] lkdtm: attempting bad execution at c15ebff0 # [ 73.363812] 8<--- cut here --- # [ 73.369853] Unable to handle kernel paging request at virtual address c15ebff0 # [ 73.379159] pgd = 48d04bea # [ 73.383693] [c15ebff0] *pgd=1141941e(bad) # [ 73.390400] Internal error: Oops: 8000000d [#7] SMP ARM # [ 73.398052] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 73.430016] CPU: 1 PID: 2040 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 73.440010] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.448632] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 73.456542] LR is at execute_location+0xa4/0xb4 # [ 73.463583] pc : [] lr : [] psr: 600e0013 # [ 73.471930] sp : c5f95e38 ip : c5f95d40 fp : c5f95e54 # [ 73.479237] r10: 0000000c r9 : c1ad5db0 r8 : c15ebd54 # [ 73.486544] r7 : c5f95f60 r6 : 00000000 r5 : c15ebff0 r4 : c0c59094 # [ 73.495152] r3 : ea105817 r2 : ea105817 r1 : ef7965e0 r0 : 0000002b # [ 73.503676] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.513063] Control: 10c5387d Table: 16e2c04a DAC: 00000051 # [ 73.520720] Process cat (pid: 2040, stack limit = 0x86ff6da2) # [ 73.528634] Stack: (0xc5f95e38 to 0xc5f96000) # [ 73.535161] 5e20: 00000023 c6c9f000 # [ 73.545682] 5e40: 0000000c c5f95f60 c5f95e64 c5f95e58 c13caf9c c13cad1c c5f95e74 c5f95e68 # [ 73.556372] 5e60: c0c58324 c13caf84 c5f95e9c c5f95e78 c0c58824 c0c58304 c0c58704 c43332c0 # [ 73.566804] 5e80: b6e10000 0000000c c3021900 c5f95f60 c5f95ec4 c5f95ea0 c07e2094 c0c58710 # [ 73.577324] 5ea0: 00000000 c43332c0 b6e10000 c290d000 c5f95f60 c07e2030 c5f95f5c c5f95ec8 # [ 73.587842] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c5f94000 # [ 73.598360] 5ee0: b6e10000 00020000 00000004 0000000c 0001fff4 c5f95ee0 00000001 b6e0f000 # [ 73.608792] 5f00: c684a500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.619312] 5f20: 00000000 00000000 c13e0318 ea105817 c206c0e0 c43332c0 c43332c0 c5f94000 # [ 73.629914] 5f40: b6e10000 00000000 00000000 00000004 c5f95f94 c5f95f60 c059c2c0 c059bc14 # [ 73.640348] 5f60: 00000000 00000000 c5f95fac ea105817 0000000c 0000000c b6f57e00 00000004 # [ 73.650866] 5f80: c03002e4 c5f94000 c5f95fa4 c5f95f98 c059c350 c059c258 00000000 c5f95fa8 # [ 73.661384] 5fa0: c03000c0 c059c344 0000000c 0000000c 00000001 b6e10000 0000000c 00000000 # [ 73.671817] 5fc0: 0000000c 0000000c b6f57e00 00000004 00000001 00000000 00020000 be822ac4 # [ 73.682250] 5fe0: 00000004 be8227f8 b6ec1d8f b6e487e6 800e0030 00000001 00000000 00000000 # [ 73.692761] Backtrace: # [ 73.697475] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 73.708510] r7:c5f95f60 r6:0000000c r5:c6c9f000 r4:00000023 # [ 73.716602] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.727464] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.737815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.748418] r9:c5f95f60 r8:c3021900 r7:0000000c r6:b6e10000 r5:c43332c0 r4:c0c58704 # [ 73.758681] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.769193] r9:c07e2030 r8:c5f95f60 r7:c290d000 r6:b6e10000 r5:c43332c0 r4:00000000 <6>[ 74.283043] lkdtm: Performing direct entry EXEC_USERSPACE # [ 73.779193] [] (v<6>[ 74.289658] lkdtm: attempting ok execution at c0c59094 fs_write) from [] (ksys<6>[ 74.298171] lkdtm: attempting bad execution at b6f31000 _write+0x74/0xec) # [ 73.78745<1>[ 74.306351] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f31000 3] r10:00000004 r9:0000000<00 >r 74.316460] Internal error: : b [#8] SMP ARM 8:00000000 r7:b6e10000 r6:c5f9400<4>[ 74.323512] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 0 r5:c43332c0 # [< 4> [ 7 3 .77.355488] CPU: 2 PID: 2117 Comm: cat Tainted: G D W 5.10.210-cip44 #1 95547] r4:c<443>3[3 2 c 07 4 .#365582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 73.798353] [>][ 74.374300] PC is at 0xb6f31000 ksys_write) from [] (sy<4>[ 74.380152] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 s_write+0x18/0x1c) # [ < 47>3[. 74.388152] pc : [] lr : [] psr: 600e0013 805757] r<94:>c[5 f 9 47040.03 97111] sp : c6cffe48 ip : c6cffd50 fp : c6cffe64 8:c03002e4 r7:<040>0[0 0 07044. 04432] r10: 0000000f r9 : c1ad5dbc r8 : c15ebd54 r6:b6f57e00 r5:0<040>0[0 0 0 c7 4.411839] r7 : c6cfff60 r6 : 0000000f r5 : c6cbe000 r4 : b6f31000 4:0000000c # [< 4 > [7 3 . 87143420721] r3 : bcd01475 r2 : bcd01475 r1 : ef7ab5e0 r0 : 0000002b 771] [] (s[_ w r i4.429519] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none te) from [0[> ] (7r4.439094] Control: 10c5387d Table: 16e4004a DAC: 00000051 t_fast_syscall+0x0/0x28) < 0#> [[ 74.447196] Process cat (pid: 2117, stack limit = 0x083e0e20) 73.821604] c[e p t i7o4n.455633] Stack: (0xc6cffe48 to 0xc6d00000) stack(0xc5f95fa8 to 0xc5f950 74.462269] fe40: 00000001 00000000 0000000f 00000024 c6cffe74 c6cffe68 ) # [ 73.826925] 5fa0: < 0 [ 74.473237] fe60: c0c58324 c0c59130 c6cffe9c c6cffe78 c0c58824 c0c58304 c0c58704 c6808780 0000000c 00000<000>c 74.484287] fe80: b6deb000 0000000f c3021900 c6cfff60 c6cffec4 c6cffea0 c07e2094 c0c58710 00000001 b6e10000 000000<00c> [0 74.495252] fea0: 00000000 c6808780 b6deb000 c290d000 c6cfff60 c07e2030 c6cfff5c c6cffec8 0000000 # [ 73.835374] <50f>c[ 74.506129] fec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c4168324 c059c2c0 c6cfe000 : 0000000c 0000000c b6f570[ 74.517094] fee0: b6deb000 00020000 00000004 0000000f 0001fff1 c6cffee0 00000001 00000805 00000004 00000001 00000<000>0[ 0 74.527971] ff00: c684a8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0020000 be822ac4 # [ 73.<804>3 74.538766] ff20: 00000000 00000000 c6cfe000 bcd01475 b6dea000 c6808780 c6808780 c6cfe000 819] 5fe0: 00000004 be8<202>7[f 8 74.549729] ff40: b6deb000 00000000 00000000 00000004 c6cfff94 c6cfff60 c059c2c0 c059bc14 b6ec1d8f b6e487e6 # [ <703>.[ 74.560522] ff60: 00000000 00000000 c6cfffac bcd01475 0000000f 0000000f b6f32e00 00000004 49142] Code: 5f727563 6e75<60f>6[ 74.571487] ff80: c03002e4 c6cfe000 c6cfffa4 c6cfff98 c059c350 c059c258 00000000 c6cfffa8 00000074 aa55aa55 (e1a0c<000>d[) 74.582452] ffa0: c03000c0 c059c344 0000000f 0000000f 00000001 b6deb000 0000000f 00000000 # [ 73.855507] ---[< 0e>n[d 74.593331] ffc0: 0000000f 0000000f b6f32e00 00000004 00000001 00000000 00020000 bebc2ac4 trace 17b6be55efc73dad ]-<-0-> [ 74.604211] ffe0: 00000004 bebc27f8 b6e9cd8f b6e237e6 800e0030 00000001 00000000 00000000 # EXEC_RODATA: missing< 0'>c[a l 74.615075] Backtrace: trace:': [FAIL] not ok 34 selft<0>[ 74.620163] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) ests: lkdtm: E[C _ R O7D4A.T31803] r4:00000024 A.sh # exit=1 # selftests: lkdtm<0>[ 74.636531] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : EXEC_USERSPACE.sh <0>[ 74.647675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.657675] r9:c6cfff60 r8:c3021900 r7:0000000f r6:b6deb000 r5:c6808780 r4:c0c58704 <0>[ 74.665725] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.673848] r9:c07e2030 r8:c6cfff60 r7:c290d000 r6:b6deb000 r5:c6808780 r4:00000000 <0>[ 74.681887] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.689316] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c6cfe000 r5:c6808780 <0>[ 74.697426] r4:c6808780 <0>[ 74.700255] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.707686] r9:c6cfe000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:0000000f r4:0000000f <0>[ 74.715727] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.723580] Exception stack(0xc6cfffa8 to 0xc6cffff0) <0>[ 74.728922] ffa0: 0000000f 0000000f 00000001 b6deb000 0000000f 00000000 <0>[ 74.737391] ffc0: 0000000f 0000000f b6f32e00 00000004 00000001 00000000 00020000 bebc2ac4 <0>[ 74.745855] ffe0: 00000004 bebc27f8 b6e9cd8f b6e237e6 <0>[ 74.751203] Code: bad PC value <4>[ 74.754555] ---[ end trace 17b6be55efc73dae ]--- # Segmentation fault # [ 74.283043] lkdtm: Performing direct entry EXEC_USERSPACE # [ 74.289658] lkdtm: attempting ok execution at c0c59094 # [ 74.298171] lkdtm: attempting bad execution at b6f31000 # [ 74.306351] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f31000 # [ 74.316460] Internal error: : b [#8] SMP ARM # [ 74.323512] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.355488] CPU: 2 PID: 2117 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 74.365582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.374300] PC is at 0xb6f31000 # [ 74.380152] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 74.388152] pc : [] lr : [] psr: 600e0013 # [ 74.397111] sp : c6cffe48 ip : c6cffd50 fp : c6cffe64 # [ 74.404432] r10: 0000000f r9 : c1ad5dbc r8 : c15ebd54 # [ 74.411839] r7 : c6cfff60 r6 : 0000000f r5 : c6cbe000 r4 : b6f31000 # [ 74.420721] r3 : bcd01475 r2 : bcd01475 r1 : ef7ab5e0 r0 : 0000002b # [ 74.429519] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.439094] Control: 10c5387d Table: 16e4004a DAC: 00000051 # [ 74.447196] Process cat (pid: 2117, stack limit = 0x083e0e20) # [ 74.455633] Stack: (0xc6cffe48 to 0xc6d00000) # [ 74.462269] fe40: 00000001 00000000 0000000f 00000024 c6cffe74 c6cffe68 # [ 74.473237] fe60: c0c58324 c0c59130 c6cffe9c c6cffe78 c0c58824 c0c58304 c0c58704 c6808780 # [ 74.484287] fe80: b6deb000 0000000f c3021900 c6cfff60 c6cffec4 c6cffea0 c07e2094 c0c58710 # [ 74.495252] fea0: 00000000 c6808780 b6deb000 c290d000 c6cfff60 c07e2030 c6cfff5c c6cffec8 # [ 74.506129] fec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c4168324 c059c2c0 c6cfe000 # [ 74.517094] fee0: b6deb000 00020000 00000004 0000000f 0001fff1 c6cffee0 00000001 00000805 # [ 74.527971] ff00: c684a8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.538766] ff20: 00000000 00000000 c6cfe000 bcd01475 b6dea000 c6808780 c6808780 c6cfe000 # [ 74.549729] ff40: b6deb000 00000000 00000000 00000004 c6cfff94 c6cfff60 c059c2c0 c059bc14 # [ 74.560522] ff60: 00000000 00000000 c6cfffac bcd01475 0000000f 0000000f b6f32e00 00000004 # [ 74.571487] ff80: c03002e4 c6cfe000 c6cfffa4 c6cfff98 c059c350 c059c258 00000000 c6cfffa8 # [ 74.582452] ffa0: c03000c0 c059c344 0000000f 0000000f 00000001 b6deb000 0000000f 00000000 # [ 74.593331] ffc0: 0000000f 0000000f b6f32e00 00000004 00000001 00000000 00020000 bebc2ac4 # [ 74.604211] ffe0: 00000004 bebc27f8 b6e9cd8f b6e237e6 800e0030 00000001 00000000 00000000 # [ 74.615075] Backtrace: # [ 74.620163] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.631803] r4:00000024 # [ 74.636531] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.647675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.657675] r9:c6cfff60 r8:c3021900 r7:0000000f r6:b6deb000 r5:c6808780 r4:c0c58704 # [ 74.665725] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.673848] r9:c07e2030 r8:c6cfff60 r7:c290d000 r6:b6deb000 r5:c6808780 r4:00000000 # [ 74.681887] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.689316] r10:00000004 r9:00000000 r8:00000000 r<6>[ 75.211224] lkdtm: Performing direct entry EXEC_NULL 7:b6deb000 r6:c6cfe000 r5:c680878<6>[ 75.219096] lkdtm: attempting ok execution at c0c59094 0 # [ 74.6<967>4[2 6 ] 7 5r.427317] lkdtm: attempting bad execution at 00000000 :c6808780 # [ 74.700255] [[ 75.234786] 8<--- cut here --- 9c24c>] (ksys_write) from [[ 75.240972] Unable to handle kernel NULL pointer dereference at virtual address 00000000 350>] (sys_write+0x18/0x1c) # [ <1>[ 75.252160] pgd = ee475083 74.707686] r9:c6cfe000 r8<:1c>[ 75.257943] [00000000] *pgd=00000000 3002e4 r7:00000004 r6:b6f32e00 r5<0>[ 75.264445] Internal error: Oops: 80000005 [#9] SMP ARM :0000000f r4:0000000f # [ 74.7<4>[ 75.272742] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 15727] [] (s_[w r 75.304700] CPU: 1 PID: 2189 Comm: cat Tainted: G D W 5.10.210-cip44 #1 te) from [0[0 0 c 07>5]. 315038] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ret_fast_syscall+<04x>0[/ 0 x725.323739] PC is at 0x0 ) # [ 74.723580] Exceptio<4n> 75.328620] LR is at execute_location+0xa4/0xb4 stack(0xc6cf[a 8 t7o5 .03x5917] pc : [<00000000>] lr : [] psr: 600e0013 c6cffff0) < 4#> [[ 7754..3744265] sp : c6b25e38 ip : c6b25d40 fp : c6b25e54 8922] ff:[ 7 5 . 35 1 72] r10: 0000000a r9 : c1ad5dcc r8 : c15ebd54 00<040>0[0 0 f 7050.0358706] r7 : c6b25f60 r6 : 00000000 r5 : 00000000 r4 : c0c59094 000f 0000<040>0[1 b 67d5e.b3060401] r3 : 28b27e83 r2 : 28b27e83 r1 : ef7965e0 r0 : 0000002b 0 0000000f< 40>0[0 0 0 0705.03 7 925] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.73<743>9[1 ] f7f5c.03:5053] Control: 10c5387d Table: 1479404a DAC: 00000051 0000000f 0000<000>0[f b 67f53.392883] Process cat (pid: 2189, stack limit = 0x8e7f88d7) e00 00000004 0<00>0[0 0 0 0715 .000884] Stack: (0xc6b25e38 to 0xc6b26000) 0000000 000200<000> [b e b c725a.407408] 5e20: 00000025 c6c9f000 4 # [ 74.745855]< 0f>f[e 0 : 5.417844] 5e40: 0000000a c6b25f60 c6b25e64 c6b25e58 c13cafc0 c13cad1c c6b25e74 c6b25e68 00000004 bebc27 [b 6 e 97c5d428448] 5e60: c0c58324 c13cafac c6b25e9c c6b25e78 c0c58824 c0c58304 c0c58704 c684a140 8f b6e237e6 # <[0 > [ 7 4 .7755438878] 5e80: b6de9000 0000000a c3021900 c6b25f60 c6b25ec4 c6b25ea0 c07e2094 c0c58710 1203] Code: baP[C v a7l5.u49310] 5ea0: 00000000 c684a140 b6de9000 c290d000 c6b25f60 c07e2030 c6b25f5c c6b25ec8 e # [ 74.75455<50]> [- - - [7 .459657] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c280b4a4 c059c2c0 c6b24000 end trace 17b6be5<50e>f[c 7 3 d7a.470175] 5ee0: b6de9000 00020000 00000004 0000000a 0001fff6 c6b25ee0 00000001 00000805 e ]--- # EXEC_UR[S P A C7E5.480693] 5f00: c47f08c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 missing 'call tc[e : ' :7 5.491211] 5f20: 00000000 00000000 c6b24000 28b27e83 b6de8000 c684a140 c684a140 c6b24000 FAIL] not ok 35 sf[t e s t75.501730] 5f40: b6de9000 00000000 00000000 00000004 c6b25f94 c6b25f60 c059c2c0 c059bc14 : lkdtm: EXEC_USEP[A C E .7s.512335] 5f60: 00000000 00000000 c6b25fac 28b27e83 0000000a 0000000a b6f30e00 00000004 h # exit=1 # sf[t e s t7s5:522853] 5f80: c03002e4 c6b24000 c6b25fa4 c6b25f98 c059c350 c059c258 00000000 c6b25fa8 lkdtm: EXEC_NU.[s h 75.533285] 5fa0: c03000c0 c059c344 0000000a 0000000a 00000001 b6de9000 0000000a 00000000 <0>[ 75.543630] 5fc0: 0000000a 0000000a b6f30e00 00000004 00000001 00000000 00020000 bebe4ac4 <0>[ 75.552075] 5fe0: 00000004 bebe47f8 b6e9ad8f b6e217e6 800e0030 00000001 00000000 00000000 <0>[ 75.560515] Backtrace: <0>[ 75.563243] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 75.571691] r7:c6b25f60 r6:0000000a r5:c6c9f000 r4:00000025 <0>[ 75.577625] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.585987] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.594266] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.602454] r9:c6b25f60 r8:c3021900 r7:0000000a r6:b6de9000 r5:c684a140 r4:c0c58704 <0>[ 75.610473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.618574] r9:c07e2030 r8:c6b25f60 r7:c290d000 r6:b6de9000 r5:c684a140 r4:00000000 <0>[ 75.626589] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.633995] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6b24000 r5:c684a140 <0>[ 75.642088] r4:c684a140 <0>[ 75.644895] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.652300] r9:c6b24000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:0000000a r4:0000000a <0>[ 75.660315] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.668149] Exception stack(0xc6b25fa8 to 0xc6b25ff0) <0>[ 75.673471] 5fa0: 0000000a 0000000a 00000001 b6de9000 0000000a 00000000 <0>[ 75.681917] 5fc0: 0000000a 0000000a b6f30e00 00000004 00000001 00000000 00020000 bebe4ac4 <0>[ 75.690360] 5fe0: 00000004 bebe47f8 b6e9ad8f b6e217e6 <0>[ 75.695684] Code: bad PC value <4>[ 75.699090] ---[ end trace 17b6be55efc73daf ]--- <3>[ 101.718966] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 101.724822] rcu: 0-....: (1 GPs behind) idle=e96/1/0x40000004 softirq=8954/8955 fqs=1300 <4>[ 101.733353] (t=2602 jiffies g=6017 q=115) <4>[ 101.737717] NMI backtrace for cpu 0 <4>[ 101.741477] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.210-cip44 #1 <4>[ 101.749747] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.756540] Backtrace: <4>[ 101.759272] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.767112] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0b8 <4>[ 101.773044] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.780627] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 101.788726] r9:c19dde40 r8:c140820c r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 101.796740] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 101.806659] r5:c1e16800 r4:c03115d8 <4>[ 101.810509] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 101.821386] r9:c19dde40 r8:c206a717 r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 101.829401] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 101.839590] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 101.848906] r10:c1e16560 r9:c1daf480 r8:c206ba00 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 101.856999] r4:c1ea9500 <4>[ 101.859808] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 101.868948] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:ae638078 r6:c1e01d28 r5:c1e00000 <4>[ 101.877041] r4:00000000 <4>[ 101.879847] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 101.888809] r5:00000017 r4:ef786f68 <4>[ 101.892653] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 101.901275] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 101.910329] r9:ef786a20 r8:ef7869c0 r7:c042273c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 101.918342] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 101.927482] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:ae637b43 r6:00000017 r5:60070193 <4>[ 101.935576] r4:ef7869c0 <4>[ 101.938382] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 101.946567] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 101.954660] r4:00000001 <4>[ 101.957471] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 101.966261] r5:c2973700 r4:c295b400 <4>[ 101.970108] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 101.979509] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 101.987523] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 101.996144] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da24 r4:c1e16880 <4>[ 102.004157] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 102.011906] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 102.017229] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 102.025676] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 102.034120] 1d60: c0477eec c0301f18 60070113 ffffffff <4>[ 102.039442] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 102.047456] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 102.055642] r10:00000011 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 102.063735] r4:ffffe000 <4>[ 102.066539] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 102.074201] r5:00000000 r4:c1dad49c <4>[ 102.078046] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 102.086144] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 102.094765] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da24 r4:c1e16880 <4>[ 102.102775] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 102.110522] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 102.115845] 1e60: c10011a4 ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 102.124290] 1e80: c1e15d98 c206c140 00000011 c1e01eec c1e01e88 c1e01eb0 c0477eec c10011a8 <4>[ 102.132732] 1ea0: 60070013 ffffffff <4>[ 102.136491] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c10011a8 <4>[ 102.144508] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 102.153041] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 102.161134] r4:ef78cb78 <4>[ 102.163941] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 102.171604] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 102.177532] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 102.185370] r10:c4ea0386 r9:c1cd2a78 r8:00000000 r7:c26e8c40 r6:00000002 r5:c1e01f68 <4>[ 102.193464] r4:000000dc <4>[ 102.196273] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 102.204464] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 102.212647] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 102.217537] [] (arch_call_rest_init) from [] (start_kernel+0x528/0x560) <4>[ 102.226160] [] (start_kernel) from [<00000000>] (0x0) # Segmentation fault # not ok 36 selftests: lkdtm: EXEC_NULL.sh # TIMEOUT 45 seconds # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 120.420797] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 120.426690] lkdtm: attempting bad read at b6f13000 <1>[ 120.431936] 8<--- cut here --- <1>[ 120.435278] Unhandled fault: page domain fault (0x01b) at 0xb6f13000 <1>[ 120.441907] pgd = cedc8e82 <1>[ 120.444884] [b6f13000] *pgd=490c3831 <0>[ 120.448742] Internal error: : 1b [#10] SMP ARM <4>[ 120.453457] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 120.482794] CPU: 0 PID: 2260 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 120.490808] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 120.497617] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 120.503124] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 120.508445] pc : [] lr : [] psr: 600e0013 <4>[ 120.514980] sp : c6a57e38 ip : c6a57d40 fp : c6a57e64 <4>[ 120.520472] r10: 00000011 r9 : c1ad5dd8 r8 : c15ebd54 <4>[ 120.525965] r7 : c6a57f60 r6 : 00000051 r5 : c6a56000 r4 : b6f13000 <4>[ 120.532760] r3 : 99b79da9 r2 : 99b79da9 r1 : ef7815e0 r0 : 00000026 <4>[ 120.539557] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 120.546961] Control: 10c5387d Table: 16e7404a DAC: 00000051 <0>[ 120.552976] Process cat (pid: 2260, stack limit = 0x3e65cf46) <0>[ 120.558992] Stack: (0xc6a57e38 to 0xc6a58000) <0>[ 120.563622] 7e20: 00000022 00000000 <0>[ 120.572072] 7e40: 00000000 99b79da9 c6a57e6c 00000026 c5f7d000 00000011 c6a57e74 c6a57e68 <0>[ 120.580522] 7e60: c0c58324 c0c59204 c6a57e9c c6a57e78 c0c58824 c0c58304 c0c58704 c6a39680 <0>[ 120.588971] 7e80: b6dcd000 00000011 c3021900 c6a57f60 c6a57ec4 c6a57ea0 c07e2094 c0c58710 <0>[ 120.597422] 7ea0: 00000000 c6a39680 b6dcd000 c290d000 c6a57f60 c07e2030 c6a57f5c c6a57ec8 <0>[ 120.605874] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a56000 <0>[ 120.614323] 7ee0: b6dcd000 00020000 00000004 00000011 0001ffef c6a57ee0 00000001 b6dcc000 <0>[ 120.622772] 7f00: c6974780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 120.631221] 7f20: 00000000 00000000 c13e0318 99b79da9 c206c0e0 c6a39680 c6a39680 c6a56000 <0>[ 120.639671] 7f40: b6dcd000 00000000 00000000 00000004 c6a57f94 c6a57f60 c059c2c0 c059bc14 <0>[ 120.648121] 7f60: 00000000 00000000 c6a57fac 99b79da9 00000011 00000011 b6f14e00 00000004 <0>[ 120.656571] 7f80: c03002e4 c6a56000 c6a57fa4 c6a57f98 c059c350 c059c258 00000000 c6a57fa8 <0>[ 120.665022] 7fa0: c03000c0 c059c344 00000011 00000011 00000001 b6dcd000 00000011 00000000 <0>[ 120.673472] 7fc0: 00000011 00000011 b6f14e00 00000004 00000001 00000000 00020000 be9a6ac4 <0>[ 120.681922] 7fe0: 00000004 be9a67f8 b6e7ed8f b6e057e6 800e0030 00000001 00000000 00000000 <0>[ 120.690366] Backtrace: <0>[ 120.693100] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 120.702071] r6:00000011 r5:c5f7d000 r4:00000026 <0>[ 120.706963] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 120.715250] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 120.723441] r9:c6a57f60 r8:c3021900 r7:00000011 r6:b6dcd000 r5:c6a39680 r4:c0c58704 <0>[ 120.731468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 120.739571] r9:c07e2030 r8:c6a57f60 r7:c290d000 r6:b6dcd000 r5:c6a39680 r4:00000000 <0>[ 120.747590] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 120.754998] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6a56000 r5:c6a39680 <0>[ 120.763096] r4:c6a39680 <0>[ 120.765903] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 120.773311] r9:c6a56000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000011 r4:00000011 <0>[ 120.781332] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 120.789170] Exception stack(0xc6a57fa8 to 0xc6a57ff0) <0>[ 120.794494] 7fa0: 00000011 00000011 00000001 b6dcd000 00000011 00000000 <0>[ 120.802945] 7fc0: 00000011 00000011 b6f14e00 00000004 00000001 00000000 00020000 be9a6ac4 <0>[ 120.811392] 7fe0: 00000004 be9a67f8 b6e7ed8f b6e057e6 <0>[ 120.816718] Code: e1a01004 e3060cfc e34c01ad eb1d9afe (e5943000) <4>[ 120.823088] ---[ end trace 17b6be55efc73db0 ]--- # Segmentation fault # [ 120.420797] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 120.426690] lkdtm: attempting bad read at b6f13000 # [ 120.431936] 8<--- cut here --- # [ 120.435278] Unhandled fault: page domain fault (0x01b) at 0xb6f13000 # [ 120.441907] pgd = cedc8e82 # [ 120.444884] [b6f13000] *pgd=490c3831 # [ 120.448742] Internal error: : 1b [#10] SMP ARM # [ 120.453457] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 120.482794] CPU: 0 PID: 2260 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 120.490808] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.497617] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 120.503124] LR is at __irq_work_queue_local+0x40/0x74 # [ 120.508445] pc : [] lr : [] psr: 600e0013 # [ 120.514980] sp : c6a57e38 ip : c6a57d40 fp : c6a57e64 # [ 120.520472] r10: 00000011 r9 : c1ad5dd8 r8 : c15ebd54 # [ 120.525965] r7 : c6a57f60 r6 : 00000051 r5 : c6a56000 r4 : b6f13000 # [ 120.532760] r3 : 99b79da9 r2 : 99b79da9 r1 : ef7815e0 r0 : 00000026 # [ 120.539557] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 120.546961] Control: 10c5387d Table: 16e7404a DAC: 00000051 # [ 120.552976] Process cat (pid: 2260, stack limit = 0x3e65cf46) # [ 120.558992] Stack: (0xc6a57e38 to 0xc6a58000) # [ 120.563622] 7e20: 00000022 00000000 # [ 120.572072] 7e40: 00000000 99b79da9 c6a57e6c 00000026 c5f7d000 00000011 c6a57e74 c6a57e68 # [ 120.580522] 7e60: c0c58324 c0c59204 c6a57e9c c6a57e78 c0c58824 c0c58304 c0c58704 c6a39680 # [ 120.588971] 7e80: b6dcd000 00000011 c3021900 c6a57f60 c6a57ec4 c6a57ea0 c07e2094 c0c58710 # [ 120.597422] 7ea0: 00000000 c6a39680 b6dcd000 c290d000 c6a57f60 c07e2030 c6a57f5c c6a57ec8 # [ 120.605874] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a56000 # [ 120.614323] 7ee0: b6dcd000 00020000 00000004 00000011 0001ffef c6a57ee0 00000001 b6dcc000 # [ 120.622772] 7f00: c6974780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 120.631221] 7f20: 00000000 00000000 c13e0318 99b79da9 c206c0e0 c6a39680 c6a39680 c6a56000 # [ 120.639671] 7f40: b6dcd000 00000000 00000000 00000004 c6a57f94 c6a57f60 c059c2c0 c059bc14 # [ 120.648121] 7f60: 00000000 00000000 c6a57fac 99b79da9 00000011 00000011 b6f14e00 00000004 # [ 120.656571] 7f80: c03002e4 c6a56000 c6a57fa4 c6a57f98 c059c350 c059c258 00000000 c6a57fa8 # [ 120.665022] 7fa0: c03000c0 c059c344 00000011 00000011 00000001 b6dcd000 00000011 00000000 # [ 120.673472] 7fc0: 00000011 00000011 b6f14e00 00000004 00000001 00000000 00020000 be9a6ac4 # [ 120.681922] 7fe0: 00000004 be9a67f8 b6e7ed8f b6e057e6 800e0030 00000001 00000000 00000000 # [ 120.690366] Backtrace: # [ 120.693100] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.702071] r6:00000011 r5:c5f7d000 r4:00000026 # [ 120.706963] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.715250] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.723441] r9:c6a57f60 r8:c3021900 r7:00000011 r6:b6dcd000 r5:c6a39680 r4:c0c58704 # [ 120.731468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 120.739571] r9:c07e2030 r8:c6a57f60 r7:c290d000 r6:b6dcd000 r5:c6a39680 r4:00000000 # [ 120.747590] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.754998] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6a56000 r5:c6a39680 # [ 120.763096] r4:c6a39680 # [ 120.765903] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.773311] r9:c6a56000 r8:c03002e4<6>[ 121.304231] lkdtm: Performing direct entry ACCESS_NULL r7:00000004 r6:b6f14e00 r5:00000<6>[ 121.311642] lkdtm: attempting bad read at 00000000 011 r4:00000011 # [ 120.781332]<1>[ 121.319452] 8<--- cut here --- [] (sys_write) from [<<1>[ 121.325588] Unable to handle kernel NULL pointer dereference at virtual address 00000000 c03000c0>] (ret_fast_syscall+0x0/<1>[ 121.336922] pgd = 5d6fa333 0x28) # [ 120.789170] Exception<1>[ 121.342665] [00000000] *pgd=00000000 stack(0xc6a57fa8 to 0xc6a57ff0) <0>[ 121.349370] Internal error: Oops: 5 [#11] SMP ARM # [ 120.794494] 7fa0: <4>[ 121.357146] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 00000011 00<040>0[0 1 1121.389108] CPU: 2 PID: 2336 Comm: cat Tainted: G D W 5.10.210-cip44 #1 00000001 b6d[0 0 01 2010.0309362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0011 00000000 # [ 120.802945]< >[ 121.407983] PC is at lkdtm_ACCESS_NULL+0x28/0x68 7fc0: 00000011 00000011 b6f<144>e 121.415549] LR is at __irq_work_queue_local+0x40/0x74 00 0000000<44 >0[ 0 0102010.0412 366] pc : [] lr : [] psr: 600e0013 00000000 0<040>2[0 0 0102 1b.e4931627] sp : c6af5e50 ip : c6af5d58 fp : c6af5e64 6ac4 # [ <142>0[. 8 1112319.24]8933] r10: 0000000c r9 : c1ad5dec r8 : c15ebd54 7fe0: 0000<04>0[0 4 1b2e19.a4646240] r7 : c6af5f60 r6 : 0000000c r5 : c6cbe000 r4 : 00000000 f8 b6e7ed8f e[0 5 71e261 . 454848] r3 : 986eea82 r2 : 986eea82 r1 : ef7ab5e0 r0 : 00000026 [ 120.81671<84]> [C o d1e2:1 .e63544] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 1a01004 e<340>6[0 c f1c2 1e.3447c846] Control: 10c5387d Table: 1477c04a DAC: 00000051 01ad eb1d9afe (e5<904>[3 0 0102)1.480590] Process cat (pid: 2336, stack limit = 0x458704d6) # [ 120.823<008>8[] -1-2-1[.488676] Stack: (0xc6af5e50 to 0xc6af6000) end trace 17b6be5<50e>f[c 7 31d2b.495290] 5e40: 00000027 c6cbe000 c6af5e74 c6af5e68 0 ]--- # ACCESS_E[R S P1A2C.505809] 5e60: c0c58324 c13cafd0 c6af5e9c c6af5e78 c0c58824 c0c58304 c0c58704 c6808a00 E: missing 'cal [t r a1c2e1:.516326] 5e80: b6dea000 0000000c c3021900 c6af5f60 c6af5ec4 c6af5ea0 c07e2094 c0c58710 : [FAIL] not ok 37< 0s>e[l f 1t21.526761] 5ea0: 00000000 c6808a00 b6dea000 c290d000 c6af5f60 c07e2030 c6af5f5c c6af5ec8 sts: lkdtm: ACCESU[S E R1S2P.537365] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c4169924 c059c2c0 c6af4000 ACE.sh # exit=1 <#0 >s[e l f1t2e.547883] 5ee0: b6dea000 00020000 00000004 0000000c 0001fff4 c6af5ee0 00000001 00000805 sts: lkdtm: ACS[S _ N1U2L1L.558400] 5f00: c684b400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 sh <0>[ 121.568832] 5f20: 00000000 00000000 c6af4000 986eea82 b6de9000 c6808a00 c6808a00 c6af4000 <0>[ 121.577614] 5f40: b6dea000 00000000 00000000 00000004 c6af5f94 c6af5f60 c059c2c0 c059bc14 <0>[ 121.586060] 5f60: 00000000 00000000 c6af5fac 986eea82 0000000c 0000000c b6f31e00 00000004 <0>[ 121.594505] 5f80: c03002e4 c6af4000 c6af5fa4 c6af5f98 c059c350 c059c258 00000000 c6af5fa8 <0>[ 121.602952] 5fa0: c03000c0 c059c344 0000000c 0000000c 00000001 b6dea000 0000000c 00000000 <0>[ 121.611399] 5fc0: 0000000c 0000000c b6f31e00 00000004 00000001 00000000 00020000 be901ac4 <0>[ 121.619844] 5fe0: 00000004 be9017f8 b6e9bd8f b6e227e6 800e0030 00000001 00000000 00000000 <0>[ 121.628284] Backtrace: <0>[ 121.631014] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 121.639546] r5:c6cbe000 r4:00000027 <0>[ 121.643393] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 121.651673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 121.659862] r9:c6af5f60 r8:c3021900 r7:0000000c r6:b6dea000 r5:c6808a00 r4:c0c58704 <0>[ 121.667881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 121.675981] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6dea000 r5:c6808a00 r4:00000000 <0>[ 121.683996] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 121.691402] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c6af4000 r5:c6808a00 <0>[ 121.699497] r4:c6808a00 <0>[ 121.702304] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 121.709708] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:0000000c r4:0000000c <0>[ 121.717724] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 121.725557] Exception stack(0xc6af5fa8 to 0xc6af5ff0) <0>[ 121.730879] 5fa0: 0000000c 0000000c 00000001 b6dea000 0000000c 00000000 <0>[ 121.739326] 5fc0: 0000000c 0000000c b6f31e00 00000004 00000001 00000000 00020000 be901ac4 <0>[ 121.747772] 5fe0: 00000004 be9017f8 b6e9bd8f b6e227e6 <0>[ 121.753097] Code: e3060cfc e34c01ad e1a01004 ebffd3c6 (e5945000) <4>[ 121.759519] ---[ end trace 17b6be55efc73db1 ]--- # Segmentation fault # [ 121.304231] lkdtm: Performing direct entry ACCESS_NULL # [ 121.311642] lkdtm: attempting bad read at 00000000 # [ 121.319452] 8<--- cut here --- # [ 121.325588] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 121.336922] pgd = 5d6fa333 # [ 121.342665] [00000000] *pgd=00000000 # [ 121.349370] Internal error: Oops: 5 [#11] SMP ARM # [ 121.357146] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 121.389108] CPU: 2 PID: 2336 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 121.399362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.407983] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 121.415549] LR is at __irq_work_queue_local+0x40/0x74 # [ 121.423366] pc : [] lr : [] psr: 600e0013 # [ 121.431627] sp : c6af5e50 ip : c6af5d58 fp : c6af5e64 # [ 121.438933] r10: 0000000c r9 : c1ad5dec r8 : c15ebd54 # [ 121.446240] r7 : c6af5f60 r6 : 0000000c r5 : c6cbe000 r4 : 00000000 # [ 121.454848] r3 : 986eea82 r2 : 986eea82 r1 : ef7ab5e0 r0 : 00000026 # [ 121.463544] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 121.472846] Control: 10c5387d Table: 1477c04a DAC: 00000051 # [ 121.480590] Process cat (pid: 2336, stack limit = 0x458704d6) # [ 121.488676] Stack: (0xc6af5e50 to 0xc6af6000) # [ 121.495290] 5e40: 00000027 c6cbe000 c6af5e74 c6af5e68 # [ 121.505809] 5e60: c0c58324 c13cafd0 c6af5e9c c6af5e78 c0c58824 c0c58304 c0c58704 c6808a00 # [ 121.516326] 5e80: b6dea000 0000000c c3021900 c6af5f60 c6af5ec4 c6af5ea0 c07e2094 c0c58710 # [ 121.526761] 5ea0: 00000000 c6808a00 b6dea000 c290d000 c6af5f60 c07e2030 c6af5f5c c6af5ec8 # [ 121.537365] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c4169924 c059c2c0 c6af4000 # [ 121.547883] 5ee0: b6dea000 00020000 00000004 0000000c 0001fff4 c6af5ee0 00000001 00000805 # [ 121.558400] 5f00: c684b400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 121.568832] 5f20: 00000000 00000000 c6af4000 986eea82 b6de9000 c6808a00 c6808a00 c6af4000 # [ 121.577614] 5f40: b6dea000 00000000 00000000 00000004 c6af5f94 c6af5f60 c059c2c0 c059bc14 # [ 121.586060] 5f60: 00000000 00000000 c6af5fac 986eea82 0000000c 0000000c b6f31e00 00000004 # [ 121.594505] 5f80: c03002e4 c6af4000 c6af5fa4 c6af5f98 c059c350 c059c258 00000000 c6af5fa8 # [ 121.602952] 5fa0: c03000c0 c059c344 0000000c 0000000c 00000001 b6dea000 0000000c 00000000 # [ 121.611399] 5fc0: 0000000c 0000000c b6f31e00 00000004 00000001 00000000 00020000 be901ac4 # [ 121.619844] 5fe0: 00000004 be9017f8 b6e9bd8f b6e227e6 800e0030 00000001 00000000 00000000 # [ 121.628284] Backtrace: # [ 121.631014] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.639546] r5:c6cbe000 r4:00000027 # [ 121.643393] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.651673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.659862] r9:c6af5f60 r8:c3021900 r7:0000000c r6:b6dea000 r5:c6808a00 r4:c0c58704 # [ 121.667881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 121.675981] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6dea000 r5:c6808a00 r4:00000000 # [ 121.683996] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.691402] r10:00000004 r9:00000000 r8:00000000 r<6>[ 122.228467] lkdtm: Performing direct entry WRITE_RO 7:b6dea000 r6:c6af4000 r5:c6808a0<6>[ 122.235129] lkdtm: attempting bad rodata write at c15ebfec 0 # [ 121.699497] r4:c6808a00 <1>[ 122.243711] 8<--- cut here --- # [ 121.702304]< 1[><[c 0 5192c.249846] Unable to handle kernel paging request at virtual address c15ebfec 24c>] (ksys_i[t e )1 2f2r.o259412] pgd = cedc8e82 [] (sys_write+0x187[0 8 ]1 2 2.271163] Internal error: Oops: 80d [#12] SMP ARM 9:c6af4000 r8:c03002e4 r7:0000000<4>[ 122.278380] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 4 r6:b6f31e00 r5:0000<040>0[c r22.310344] CPU: 3 PID: 2411 Comm: cat Tainted: G D W 5.10.210-cip44 #1 4:0000000c< 4 >#[ [ 1 2122.13.20596] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 17724] [] (sys_wt[ 122.329217] PC is at lkdtm_WRITE_RO+0x44/0x50 ) from [] (ret_ft[ 122.336351] LR is at __irq_work_queue_local+0x40/0x74 syscall+0x<04/>0[x 2 81)2 2 .#3 44168] pc : [] lr : [] psr: 600e0013 121.72555<74]> [E x c1e22p.t3i52516] sp : c6b25e50 ip : c6b25d58 fp : c6b25e64 n stack(0xa[f 5 f1a282 .t3o59821] r10: 00000009 r9 : c1ad5df8 r8 : c15ebd54 0xc6af5ff0)< 4 >#[ [ 1 2122.13.7128] r7 : c6b25f60 r6 : 00000009 r5 : c6cb8000 r4 : c15ebfec 730879] 5fa0<:4 > [ 1 2 2 . 3 5736] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad6bfc 0000<040>0[c 0102020.384346] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00c 000000<041> [b 6 d1e2a20.03093734] Control: 10c5387d Table: 16e7404a DAC: 00000051 0000000c 00<00>0[0 0 0102 2 .#4 01562] Process cat (pid: 2411, stack limit = 0x8e7f88d7) 121.739326]< 05>f[c 0 :1 2020.409390] Stack: (0xc6b25e50 to 0xc6b26000) 0000c 0000000c b6f<301>e[0 0 1022.415917] 5e40: 00000028 c6cb8000 c6b25e74 c6b25e68 000004 00000001 <000>0[0 0 010202.426521] 5e60: c0c58324 c13cadd0 c6b25e9c c6b25e78 c0c58824 c0c58304 c0c58704 c6a39540 00020000 be901ac4< 0 >#[ [ 1 21.437040] 5e80: b6e00000 00000009 c3021900 c6b25f60 c6b25ec4 c6b25ea0 c07e2094 c0c58710 21.747772] 5fe0: 00<00>0[0 0 01422.447559] 5ea0: 00000000 c6a39540 b6e00000 c290d000 c6b25f60 c07e2030 c6b25f5c c6b25ec8 be9017f8 b6e9bd8f< 0b>6[e 2 2172e.458163] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c415e424 c059c2c0 c6b24000 6 # [ 121.75309<70]> [C o d1e2:.468682] 5ee0: b6e00000 00020000 00000004 00000009 0001fff7 c6b25ee0 00000001 00000805 e3060cfc e34c01 [e 1 a10212.479200] 5f00: c41ff540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 04 ebffd3c6 (e594<500>0[0 ) 1 2 .489719] 5f20: 00000000 00000000 c6b24000 f225185b b6dff000 c6a39540 c6a39540 c6b24000 # [ 121.759519] ---<[0 >e[n d 122.500238] 5f40: b6e00000 00000000 00000000 00000004 c6b25f94 c6b25f60 c059c2c0 c059bc14 race 17b6be55efc731[ ] -1-22.510928] 5f60: 00000000 00000000 c6b25fac f225185b 00000009 00000009 b6f47e00 00000004 # ACCESS_NULL<:0 >m[i s s1i2n2g521533] 5f80: c03002e4 c6b24000 c6b25fa4 c6b25f98 c059c350 c059c258 00000000 c6b25fa8 'call trace:': <[0F>A[I L ]1 2 2.531965] 5fa0: c03000c0 c059c344 00000009 00000009 00000001 b6e00000 00000009 00000000 ot ok 38 selftes:[ l k1d2t2.542483] 5fc0: 00000009 00000009 b6f47e00 00000004 00000001 00000000 00020000 bebb3ac4 : ACCESS_NULL.sh< 0#> [e x i1t2=2.553002] 5fe0: 00000004 bebb37f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 # selftests: d[t m :1 2W2R563514] Backtrace: ITE_RO.sh <0>[ 122.568229] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 122.577435] r5:c6cb8000 r4:00000028 <0>[ 122.581283] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 122.589563] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 122.597750] r9:c6b25f60 r8:c3021900 r7:00000009 r6:b6e00000 r5:c6a39540 r4:c0c58704 <0>[ 122.605770] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 122.613870] r9:c07e2030 r8:c6b25f60 r7:c290d000 r6:b6e00000 r5:c6a39540 r4:00000000 <0>[ 122.621885] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 122.629290] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c6b24000 r5:c6a39540 <0>[ 122.637385] r4:c6a39540 <0>[ 122.640191] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 122.647595] r9:c6b24000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:00000009 r4:00000009 <0>[ 122.655611] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 122.663446] Exception stack(0xc6b25fa8 to 0xc6b25ff0) <0>[ 122.668768] 5fa0: 00000009 00000009 00000001 b6e00000 00000009 00000000 <0>[ 122.677213] 5fc0: 00000009 00000009 b6f47e00 00000004 00000001 00000000 00020000 bebb3ac4 <0>[ 122.685657] 5fe0: 00000004 bebb37f8 b6eb1d8f b6e387e6 <0>[ 122.690980] Code: e34a3bcd e3060bfc e34c01ad e0233002 (e5843000) <4>[ 122.697347] ---[ end trace 17b6be55efc73db2 ]--- # Segmentation fault # [ 122.228467] lkdtm: Performing direct entry WRITE_RO # [ 122.235129] lkdtm: attempting bad rodata write at c15ebfec # [ 122.243711] 8<--- cut here --- # [ 122.249846] Unable to handle kernel paging request at virtual address c15ebfec # [ 122.259412] pgd = cedc8e82 # [ 122.264288] [c15ebfec] *pgd=1141941e(bad) # [ 122.271163] Internal error: Oops: 80d [#12] SMP ARM # [ 122.278380] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 122.310344] CPU: 3 PID: 2411 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 122.320596] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.329217] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 122.336351] LR is at __irq_work_queue_local+0x40/0x74 # [ 122.344168] pc : [] lr : [] psr: 600e0013 # [ 122.352516] sp : c6b25e50 ip : c6b25d58 fp : c6b25e64 # [ 122.359821] r10: 00000009 r9 : c1ad5df8 r8 : c15ebd54 # [ 122.367128] r7 : c6b25f60 r6 : 00000009 r5 : c6cb8000 r4 : c15ebfec # [ 122.375736] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad6bfc # [ 122.384346] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 122.393734] Control: 10c5387d Table: 16e7404a DAC: 00000051 # [ 122.401562] Process cat (pid: 2411, stack limit = 0x8e7f88d7) # [ 122.409390] Stack: (0xc6b25e50 to 0xc6b26000) # [ 122.415917] 5e40: 00000028 c6cb8000 c6b25e74 c6b25e68 # [ 122.426521] 5e60: c0c58324 c13cadd0 c6b25e9c c6b25e78 c0c58824 c0c58304 c0c58704 c6a39540 # [ 122.437040] 5e80: b6e00000 00000009 c3021900 c6b25f60 c6b25ec4 c6b25ea0 c07e2094 c0c58710 # [ 122.447559] 5ea0: 00000000 c6a39540 b6e00000 c290d000 c6b25f60 c07e2030 c6b25f5c c6b25ec8 # [ 122.458163] 5ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c415e424 c059c2c0 c6b24000 # [ 122.468682] 5ee0: b6e00000 00020000 00000004 00000009 0001fff7 c6b25ee0 00000001 00000805 # [ 122.479200] 5f00: c41ff540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 122.489719] 5f20: 00000000 00000000 c6b24000 f225185b b6dff000 c6a39540 c6a39540 c6b24000 # [ 122.500238] 5f40: b6e00000 00000000 00000000 00000004 c6b25f94 c6b25f60 c059c2c0 c059bc14 # [ 122.510928] 5f60: 00000000 00000000 c6b25fac f225185b 00000009 00000009 b6f47e00 00000004 # [ 122.521533] 5f80: c03002e4 c6b24000 c6b25fa4 c6b25f98 c059c350 c059c258 00000000 c6b25fa8 # [ 122.531965] 5fa0: c03000c0 c059c344 00000009 00000009 00000001 b6e00000 00000009 00000000 # [ 122.542483] 5fc0: 00000009 00000009 b6f47e00 00000004 00000001 00000000 00020000 bebb3ac4 # [ 122.553002] 5fe0: 00000004 bebb37f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 # [ 122.563514] Backtrace: # [ 122.568229] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.577435] r5:c6cb8000 r4:00000028 # [ 122.581283] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.589563] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.597750] r9:c6b25f60 r8:c3021900 r7:00000009 r6:b6e00000 r5:c6a39540 r4:c0c58704 # [ 122.605770] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 122.613870] r9:c07e2030 r8:c6b25f60 r7:c290d000 r6:b6e00000 r5:c6a39540 r4:00000000 # [ 122.621885] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.629290] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c6b24000 r5:c6a39540 # [ 122.637385] r4:c6a39540 # [ 122.640191] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.647595] r9:c6b24000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:00000009 r4:00000009 # [ 122.655611] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.663446] Exception stack(0xc6b25fa8 to 0xc6b25ff0) # [ 122.668768] 5fa0: <6>[ 123.156474] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 00000009 00000009 00000<6>[ 123.163738] lkdtm: attempting bad ro_after_init write at c1b89c74 001 b6e00000 00000009 00000000 #<1>[ 123.172934] 8<--- cut here --- <1>[ 123.179075] Unable to handle kernel paging request at virtual address c1b89c74 <1>[ 123.186580] pgd = fc15cf2e <1>[ 123.189571] [c1b89c74] *pgd=11a1941e(bad) <0>[ 123.193900] Internal error: Oops: 80d [#13] SMP ARM <4>[ 123.199067] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 123.228618] CPU: 0 PID: 2486 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 123.236648] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 123.243483] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 123.249102] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 123.254440] pc : [] lr : [] psr: 600e0013 <4>[ 123.260992] sp : c6a77e50 ip : c6a77d58 fp : c6a77e64 <4>[ 123.266499] r10: 00000014 r9 : c1ad5e04 r8 : c15ebd54 <4>[ 123.272006] r7 : c6a77f60 r6 : 00000014 r5 : c5fe3000 r4 : c1b89c74 <4>[ 123.278817] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad6bfc <4>[ 123.285631] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 123.293050] Control: 10c5387d Table: 16c5404a DAC: 00000051 <0>[ 123.299081] Process cat (pid: 2486, stack limit = 0xc3c2e621) <0>[ 123.305111] Stack: (0xc6a77e50 to 0xc6a78000) <0>[ 123.309760] 7e40: 00000029 c5fe3000 c6a77e74 c6a77e68 <0>[ 123.318235] 7e60: c0c58324 c13cae20 c6a77e9c c6a77e78 c0c58824 c0c58304 c0c58704 c6adadc0 <0>[ 123.326707] 7e80: b6e53000 00000014 c3021900 c6a77f60 c6a77ec4 c6a77ea0 c07e2094 c0c58710 <0>[ 123.335178] 7ea0: 00000000 c6adadc0 b6e53000 c290d000 c6a77f60 c07e2030 c6a77f5c c6a77ec8 <0>[ 123.343649] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a76000 <0>[ 123.352119] 7ee0: b6e53000 00020000 00000004 00000014 0001ffec c6a77ee0 00000001 b6e52000 <0>[ 123.360587] 7f00: c5f3e780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 123.369057] 7f20: 00000000 00000000 c13e0318 e23195ce c206c0e0 c6adadc0 c6adadc0 c6a76000 <0>[ 123.377527] 7f40: b6e53000 00000000 00000000 00000004 c6a77f94 c6a77f60 c059c2c0 c059bc14 <0>[ 123.385996] 7f60: 00000000 00000000 c6a77fac e23195ce 00000014 00000014 b6f9ae00 00000004 <0>[ 123.394465] 7f80: c03002e4 c6a76000 c6a77fa4 c6a77f98 c059c350 c059c258 00000000 c6a77fa8 <0>[ 123.402935] 7fa0: c03000c0 c059c344 00000014 00000014 00000001 b6e53000 00000014 00000000 <0>[ 123.411404] 7fc0: 00000014 00000014 b6f9ae00 00000004 00000001 00000000 00020000 bec87ac4 <0>[ 123.419875] 7fe0: 00000004 bec877f8 b6f04d8f b6e8b7e6 800e0030 00000001 00000000 00000000 <0>[ 123.428330] Backtrace: <0>[ 123.431097] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 123.440346] r5:c5fe3000 r4:00000029 <0>[ 123.444220] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 123.452530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 123.460742] r9:c6a77f60 r8:c3021900 r7:00000014 r6:b6e53000 r5:c6adadc0 r4:c0c58704 <0>[ 123.468792] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 123.476916] r9:c07e2030 r8:c6a77f60 r7:c290d000 r6:b6e53000 r5:c6adadc0 r4:00000000 <0>[ 123.484955] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 123.492384] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6a76000 r5:c6adadc0 <0>[ 123.500494] r4:c6adadc0 <0>[ 123.503324] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 123.510752] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000014 r4:00000014 <0>[ 123.518794] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 123.526645] Exception stack(0xc6a77fa8 to 0xc6a77ff0) <0>[ 123.531987] 7fa0: 00000014 00000014 00000001 b6e53000 00000014 00000000 <0>[ 123.540457] 7fc0: 00000014 00000014 b6f9ae00 00000004 00000001 00000000 00020000 bec87ac4 <0>[ 123.548920] 7fe0: 00000004 bec877f8 b6f04d8f b6e8b7e6 <0>[ 123.554264] Code: e34a3bcd e3060bfc e34c01ad e0233002 (e5843000) <4>[ 123.560653] ---[ end trace 17b6be55efc73db3 ]--- [ 122.677213] 5fc0: 00000009 00000009 b6f47e00 00000004 00000001 00000000 00020000 bebb3ac4 # [ 122.685657] 5fe0: 00000004 bebb37f8 b6eb1d8f b6e387e6 # [ 122.690980] Code: e34a3bcd e3060bfc e34c01ad e0233002 (e5843000) # [ 122.697347] ---[ end trace 17b6be55efc73db2 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Segmentation fault # [ 123.156474] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 123.163738] lkdtm: attempting bad ro_after_init write at c1b89c74 # [ 123.172934] 8<--- cut here --- # [ 123.179075] Unable to handle kernel paging request at virtual address c1b89c74 # [ 123.186580] pgd = fc15cf2e # [ 123.189571] [c1b89c74] *pgd=11a1941e(bad) # [ 123.193900] Internal error: Oops: 80d [#13] SMP ARM # [ 123.199067] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 123.228618] CPU: 0 PID: 2486 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 123.236648] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.243483] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 123.249102] LR is at __irq_work_queue_local+0x40/0x74 # [ 123.254440] pc : [] lr : [] psr: 600e0013 # [ 123.260992] sp : c6a77e50 ip : c6a77d58 fp : c6a77e64 # [ 123.266499] r10: 00000014 r9 : c1ad5e04 r8 : c15ebd54 # [ 123.272006] r7 : c6a77f60 r6 : 00000014 r5 : c5fe3000 r4 : c1b89c74 # [ 123.278817] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad6bfc # [ 123.285631] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 123.293050] Control: 10c5387d Table: 16c5404a DAC: 00000051 # [ 123.299081] Process cat (pid: 2486, stack limit = 0xc3c2e621) # [ 123.305111] Stack: (0xc6a77e50 to 0xc6a78000) # [ 123.309760] 7e40: 00000029 c5fe3000 c6a77e74 c6a77e68 # [ 123.318235] 7e60: c0c58324 c13cae20 c6a77e9c c6a77e78 c0c58824 c0c58304 c0c58704 c6adadc0 # [ 123.326707] 7e80: b6e53000 00000014 c3021900 c6a77f60 c6a77ec4 c6a77ea0 c07e2094 c0c58710 # [ 123.335178] 7ea0: 00000000 c6adadc0 b6e53000 c290d000 c6a77f60 c07e2030 c6a77f5c c6a77ec8 # [ 123.343649] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a76000 # [ 123.352119] 7ee0: b6e53000 00020000 00000004 00000014 0001ffec c6a77ee0 00000001 b6e52000 # [ 123.360587] 7f00: c5f3e780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 123.369057] 7f20: 00000000 00000000 c13e0318 e23195ce c206c0e0 c6adadc0 c6adadc0 c6a76000 # [ 123.377527] 7f40: b6e53000 00000000 00000000 00000004 c6a77f94 c6a77f60 c059c2c0 c059bc14 # [ 123.385996] 7f60: 00000000 00000000 c6a77fac e23195ce 00000014 00000014 b6f9ae00 00000004 # [ 123.394465] 7f80: c03002e4 c6a76000 c6a77fa4 c6a77f98 c059c350 c059c258 00000000 c6a77fa8 # [ 123.402935] 7fa0: c03000c0 c059c344 00000014 00000014 00000001 b6e53000 00000014 00000000 # [ 123.411404] 7fc0: 00000014 00000014 b6f9ae00 00000004 00000001 00000000 00020000 bec87ac4 # [ 123.419875] 7fe0: 00000004 bec877f8 b6f04d8f b6e8b7e6 800e0030 00000001 00000000 00000000 # [ 123.428330] Backtrace: # [ 123.431097] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.440346] r5:c5fe3000 r4:00000029 # [ 123.444220] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.452530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.460742] r9:c6a77f60 r8:c3021900 r7:00000014 r6:b6e53000 r5:c6adadc0 r4:c0c58704 # [ 123.468792] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 123.476916] r9:c07e2030 r8:c6a77f60 r7:c290d000 r6:b6e53000 r5:c6adadc0 r4:00000000 # [ 123.484955] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.492384] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6a76000 r5:c6adadc0 # [ 123.500494] r4:c6adadc0 # [ 123.503324] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.510752] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f9ae<6>[ 124.057947] lkdtm: Performing direct entry WRITE_KERN 00 r5:00000014 r4:00000014 # [ <6>[ 124.063560] lkdtm: attempting bad 7806040 byte write at c13cacec 123.518794] [] (sys_wri<1>[ 124.072737] 8<--- cut here --- te) from [>][ ( 1r2e.078813] Unable to handle kernel paging request at virtual address c13cacec t_fast_syscall<+10>x[0 / 01x2248.088380] pgd = 47e83a8b # [ 123.526645] Excepti [ 124.093341] [c13cacec] *pgd=1121940e(bad) tack(0xc6a77fa8 t0[x c 61a27.100132] Internal error: Oops: 80d [#14] SMP ARM 7ff0) # [ 123.531987] 7fa0: <4>[ 124.107350] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 00000<041>4[ 0 0124.139313] CPU: 3 PID: 2561 Comm: cat Tainted: G D W 5.10.210-cip44 #1 00014 0000<040>0[1 b162e45.1340565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 00000014 00000000 # [ <142>3 124.158097] PC is at memcpy+0x50/0x330 .540457] 7fc0:< 40>0[0 0 0102144.164615] LR is at 0xe92dd830 00000014 b6a[e 0 01 2040.0100011] pc : [] lr : [] psr: 200e0013 0004 0000000<14 >0[0 0 012040.0108358] sp : c6a77e2c ip : e1a0c00d fp : c6a77e64 00020000 c[8 7 a1c244 . 1#85664] r10: 0000000b r9 : c1ad5e18 r8 : e89da800 [ 123.54<849>2[0 ] 172f4e.01:9 971] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00000004 be7[7 f 812 4b.62f01492] r3 : e1a0c00d r2 : 00771bb8 r1 : c0c590b4 r0 : c13cacec 4d8f b6e8b7e6< 4 >#[ [ 1 2142.310102] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .554264] Co:[ e 3142a43.b2c9406] Control: 10c5387d Table: 16e4404a DAC: 00000051 d e3060bfc 4[ c 0112a4d. 2e27232] Process cat (pid: 2561, stack limit = 0xc3c2e621) 233002 (e584<300>0[0 ) 1 2 4#. 235059] Stack: (0xc6a77e2c to 0xc6a78000) 123.560653] ---<[0 >e[n d 1t2r.241590] 7e20: c0c59094 00771c58 c6a77f60 c15ebd54 c13cacec ace 17b6be55efc733[ ] -1-2-.252108] 7e40: c13cacec c13caed0 0000002a c6cb8000 0000000b c6a77f60 c6a77e74 c6a77e68 # WRITE_RO_AFTER<_0I>N[I T :1 24.262628] 7e60: c0c58324 c13cae90 c6a77e9c c6a77e78 c0c58824 c0c58304 c0c58704 c42b2dc0 issing 'call trac'[: [1F2A.273233] 7e80: b6e20000 0000000b c3021900 c6a77f60 c6a77ec4 c6a77ea0 c07e2094 c0c58710 IL] not ok 40 sf[t e s1t2s4.283751] 7ea0: 00000000 c42b2dc0 b6e20000 c290d000 c6a77f60 c07e2030 c6a77f5c c6a77ec8 lkdtm: WRITE_RO_T[E R _1I2N.294269] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a76000 IT.sh # exit=1 <#0 >s[e l f1t2e4.304788] 7ee0: b6e20000 00020000 00000004 0000000b 0001fff5 c6a77ee0 00000001 b6e1f000 ts: lkdtm: WRITK[E R N1.2s4h315306] 7f00: c6841680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 124.325738] 7f20: 00000000 00000000 c13e0318 72bffa84 c206c0e0 c42b2dc0 c42b2dc0 c6a76000 <0>[ 124.334346] 7f40: b6e20000 00000000 00000000 00000004 c6a77f94 c6a77f60 c059c2c0 c059bc14 <0>[ 124.342793] 7f60: 00000000 00000000 c6a77fac 72bffa84 0000000b 0000000b b6f67e00 00000004 <0>[ 124.351238] 7f80: c03002e4 c6a76000 c6a77fa4 c6a77f98 c059c350 c059c258 00000000 c6a77fa8 <0>[ 124.359684] 7fa0: c03000c0 c059c344 0000000b 0000000b 00000001 b6e20000 0000000b 00000000 <0>[ 124.368130] 7fc0: 0000000b 0000000b b6f67e00 00000004 00000001 00000000 00020000 bec86ac4 <0>[ 124.376575] 7fe0: 00000004 bec867f8 b6ed1d8f b6e587e6 800e0030 00000001 00000000 00000000 <0>[ 124.385016] Backtrace: <0>[ 124.387751] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 124.396198] r7:c6a77f60 r6:0000000b r5:c6cb8000 r4:0000002a <0>[ 124.402130] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 124.410410] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 124.418596] r9:c6a77f60 r8:c3021900 r7:0000000b r6:b6e20000 r5:c42b2dc0 r4:c0c58704 <0>[ 124.426616] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 124.434715] r9:c07e2030 r8:c6a77f60 r7:c290d000 r6:b6e20000 r5:c42b2dc0 r4:00000000 <0>[ 124.442730] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 124.450134] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6a76000 r5:c42b2dc0 <0>[ 124.458228] r4:c42b2dc0 <0>[ 124.461032] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 124.468437] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000000b r4:0000000b <0>[ 124.476452] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 124.484287] Exception stack(0xc6a77fa8 to 0xc6a77ff0) <0>[ 124.489606] 7fa0: 0000000b 0000000b 00000001 b6e20000 0000000b 00000000 <0>[ 124.498053] 7fc0: 0000000b 0000000b b6f67e00 00000004 00000001 00000000 00020000 bec86ac4 <0>[ 124.506495] 7fe0: 00000004 bec867f8 b6ed1d8f b6e587e6 <0>[ 124.511818] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 124.518181] ---[ end trace 17b6be55efc73db4 ]--- # Segmentation fault # [ 124.057947] lkdtm: Performing direct entry WRITE_KERN # [ 124.063560] lkdtm: attempting bad 7806040 byte write at c13cacec # [ 124.072737] 8<--- cut here --- # [ 124.078813] Unable to handle kernel paging request at virtual address c13cacec # [ 124.088380] pgd = 47e83a8b # [ 124.093341] [c13cacec] *pgd=1121940e(bad) # [ 124.100132] Internal error: Oops: 80d [#14] SMP ARM # [ 124.107350] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 124.139313] CPU: 3 PID: 2561 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 124.149565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.158097] PC is at memcpy+0x50/0x330 # [ 124.164615] LR is at 0xe92dd830 # [ 124.170011] pc : [] lr : [] psr: 200e0013 # [ 124.178358] sp : c6a77e2c ip : e1a0c00d fp : c6a77e64 # [ 124.185664] r10: 0000000b r9 : c1ad5e18 r8 : e89da800 # [ 124.192971] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 124.201492] r3 : e1a0c00d r2 : 00771bb8 r1 : c0c590b4 r0 : c13cacec # [ 124.210102] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 124.219406] Control: 10c5387d Table: 16e4404a DAC: 00000051 # [ 124.227232] Process cat (pid: 2561, stack limit = 0xc3c2e621) # [ 124.235059] Stack: (0xc6a77e2c to 0xc6a78000) # [ 124.241590] 7e20: c0c59094 00771c58 c6a77f60 c15ebd54 c13cacec # [ 124.252108] 7e40: c13cacec c13caed0 0000002a c6cb8000 0000000b c6a77f60 c6a77e74 c6a77e68 # [ 124.262628] 7e60: c0c58324 c13cae90 c6a77e9c c6a77e78 c0c58824 c0c58304 c0c58704 c42b2dc0 # [ 124.273233] 7e80: b6e20000 0000000b c3021900 c6a77f60 c6a77ec4 c6a77ea0 c07e2094 c0c58710 # [ 124.283751] 7ea0: 00000000 c42b2dc0 b6e20000 c290d000 c6a77f60 c07e2030 c6a77f5c c6a77ec8 # [ 124.294269] 7ec0: c059bd14 c07e203c 00000001 00000000 c059c2c0 c13e0318 c059c2c0 c6a76000 # [ 124.304788] 7ee0: b6e20000 00020000 00000004 0000000b 0001fff5 c6a77ee0 00000001 b6e1f000 # [ 124.315306] 7f00: c6841680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 124.325738] 7f20: 00000000 00000000 c13e0318 72bffa84 c206c0e0 c42b2dc0 c42b2dc0 c6a76000 # [ 124.334346] 7f40: b6e20000 00000000 00000000 00000004 c6a77f94 c6a77f60 c059c2c0 c059bc14 # [ 124.342793] 7f60: 00000000 00000000 c6a77fac 72bffa84 0000000b 0000000b b6f67e00 00000004 # [ 124.351238] 7f80: c03002e4 c6a76000 c6a77fa4 c6a77f98 c059c350 c059c258 00000000 c6a77fa8 # [ 124.359684] 7fa0: c03000c0 c059c344 0000000b 0000000b 00000001 b6e20000 0000000b 00000000 # [ 124.368130] 7fc0: 0000000b 0000000b b6f67e00 00000004 00000001 00000000 00020000 bec86ac4 # [ 124.376575] 7fe0: 00000004 bec867f8 b6ed1d8f b6e587e6 800e0030 00000001 00000000 00000000 # [ 124.385016] Backtrace: # [ 124.387751] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.396198] r7:c6a77f60 r6:0000000b r5:c6cb8000 r4:0000002a # [ 124.402130] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.410410] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.418596] r9:c6a77f60 r8:c3021900 r7:0000000b r6:b6e20000 r5:c42b2dc0 r4:c0c58704 # [ 124.426616] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 124.434715] r9:c07e2030 r8:c6a77f60 r7:c290d000 r6:b6e20000 r5:c42b2dc0 r4:00000000 # [ 124.442730] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.450134] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6a76000 r5:c42b2dc0 # [ 124.458228] r4:c42b2dc0 # [ 124.461032] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.468437] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000000b r4:0000000b # [ 124.476452] [[ 124.970551] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 338>] (sys_write) from [[ 124.978147] lkdtm: attempting good refcount_inc() without overflow >] (ret_fast_syscall+0x0/0x28) #<6>[ 124.987528] lkdtm: attempting bad refcount_inc() overflow [ 124.484287] Exception stack(0<4>[ 124.996050] ------------[ cut here ]------------ xc6a77fa8 to 0xc6a77ff0) # [ 12<4>[ 125.003851] WARNING: CPU: 0 PID: 2637 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 4.489606] 7fa0: <4>[ 125.015502] refcount_t: saturated; leaking memory. 0000000b 0000000b 00000001 b6e20<4>[ 125.023371] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 000 0000000b 00000000 # [ 124.4<4>[ 125.055373] CPU: 0 PID: 2637 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 125.066193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 125.072990] Backtrace: <4>[ 125.075727] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 125.083569] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 125.089505] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 125.097093] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 125.104330] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c <4>[ 125.112351] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 125.120106] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c6af4000 <4>[ 125.126044] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 125.135277] r9:c1ad5e24 r8:c15ebd54 r7:c6af5f60 r6:00000016 r5:c5fe6000 r4:c6af4000 <4>[ 125.143299] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 125.153234] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 125.163598] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 125.172998] r4:0000002b <4>[ 125.175807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 125.184092] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 125.192281] r9:c6af5f60 r8:c3021900 r7:00000016 r6:b6dd3000 r5:c6809540 r4:c0c58704 <4>[ 125.200304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 125.208406] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6dd3000 r5:c6809540 r4:00000000 <4>[ 125.216424] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 125.223832] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6af4000 r5:c6809540 <4>[ 125.231928] r4:c6809540 <4>[ 125.234737] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 125.242145] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000016 r4:00000016 <4>[ 125.250164] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 125.258002] Exception stack(0xc6af5fa8 to 0xc6af5ff0) <4>[ 125.263327] 5fa0: 00000016 00000016 00000001 b6dd3000 00000016 00000000 <4>[ 125.271779] 5fc0: 00000016 00000016 b6f1ae00 00000004 00000001 00000000 00020000 bed86ac4 <4>[ 125.280226] 5fe0: 00000004 bed867f8 b6e84d8f b6e0b7e6 98053] 7fc0: 0000000b 0000000b b6<4>[ 125.285618] irq event stamp: 0 f67e00 00000004 00000001 00000000<4>[ 125.291847] hardirqs last enabled at (0): [<00000000>] 0x0 00020000 bec86ac4 # [ 124.5064<4>[ 125.300564] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 95] 7fe0: 00000004 bec867f8 b6ed1<4>[ 125.311191] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac d8f b6e587e6 # [ 124.511818] Co<4>[ 125.321818] softirqs last disabled at (0): [<00000000>] 0x0 de: f5d1f05c f5d1f07c e8b151f8 e2<4>[ 125.330530] ---[ end trace 17b6be55efc73db5 ]--- 522020 (e8a051f8) # [ 124.5181<6>[ 125.338266] lkdtm: Overflow detected: saturated 81] ---[ end trace 17b6be55efc73db4 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 124.970551] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 124.978147] lkdtm: attempting good refcount_inc() without overflow # [ 124.987528] lkdtm: attempting bad refcount_inc() overflow # [ 124.996050] ------------[ cut here ]------------ # [ 125.003851] WARNING: CPU: 0 PID: 2637 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 125.015502] refcount_t: saturated; leaking memory. # [ 125.023371] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 125.055373] CPU: 0 PID: 2637 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 125.066193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.072990] Backtrace: # [ 125.075727] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.083569] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 125.089505] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.097093] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 125.104330] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c # [ 125.112351] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.120106] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c6af4000 # [ 125.126044] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 125.135277] r9:c1ad5e24 r8:c15ebd54 r7:c6af5f60 r6:00000016 r5:c5fe6000 r4:c6af4000 # [ 125.143299] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 125.153234] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 125.163598] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.172998] r4:0000002b # [ 125.175807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.184092] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.192281] r9:c6af5f60 r8:c3021900 r7:00000016 r6:b6dd3000 r5:c6809540 r4:c0c58704 # [ 125.200304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 125.208406] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6dd3000 r5:c6809540 r4:00000000 # [ 125.216424] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.223832] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6af4000 r5:c6809540 # [ 125.231928] r4:c6809540 # [ 125.234737] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.242145] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000016 r4:00000016 # [ 125.250164] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.258002] Exception stack(0xc6af5fa8 to 0xc6af5ff0) # [ 125.263327] 5fa0: 00000016 00000016 00000001 b6dd3000 00000016 00000000 # [ 125.271779] 5fc0: 00000016 00000016 b6f1ae00 00000004 00000001 00000000 00020000 bed86ac4 # [ 125.280226] 5fe0: 00000004 bed867f8 b6e84d8f b6e0b7e6 # [ 125.285618] irq event stamp: 0 # [ 125.291847] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.300564] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 125.311191] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 125.321818] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.330530] ---[ end trace 17b6be55efc73db5 ]--- # [ 125.338266] lkdtm: Overfl<6>[ 125.776210] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ow detected: saturated # REFCOUN<6>[ 125.784279] lkdtm: attempting good refcount_add() without overflow T_INC_OVERFLOW: missing 'call tra<6>[ 125.793657] lkdtm: attempting bad refcount_add() overflow ce:': [FAIL] not ok 42 selftests<4>[ 125.802089] ------------[ cut here ]------------ : lkdtm: REFCOUNT_INC_OVERFLOW.sh<4>[ 125.809848] WARNING: CPU: 1 PID: 2672 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # exit=1 # selftests: lkdtm: RE<4>[ 125.821381] refcount_t: saturated; leaking memory. FCOUNT_ADD_OVERFLOW.sh <4>[ 125.829296] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 125.860506] CPU: 1 PID: 2672 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 125.868518] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 125.875311] Backtrace: <4>[ 125.878039] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 125.885880] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 125.891811] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 125.899393] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 125.906626] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c <4>[ 125.914641] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 125.922392] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c6c3a000 <4>[ 125.928323] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 125.937552] r9:c1ad5e3c r8:c15ebd54 r7:c6c3bf60 r6:00000016 r5:c6ca0000 r4:c6c3a000 <4>[ 125.945569] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 125.955498] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 125.965857] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 125.975253] r4:0000002c <4>[ 125.978056] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 125.986335] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 125.994521] r9:c6c3bf60 r8:c3021900 r7:00000016 r6:b6e71000 r5:c41c3040 r4:c0c58704 <4>[ 126.002541] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 126.010640] r9:c07e2030 r8:c6c3bf60 r7:c290d000 r6:b6e71000 r5:c41c3040 r4:00000000 <4>[ 126.018653] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 126.026058] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c6c3a000 r5:c41c3040 <4>[ 126.034151] r4:c41c3040 <4>[ 126.036954] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 126.044359] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:00000016 r4:00000016 <4>[ 126.052374] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 126.060210] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) <4>[ 126.065530] bfa0: 00000016 00000016 00000001 b6e71000 00000016 00000000 <4>[ 126.073979] bfc0: 00000016 00000016 b6fb8e00 00000004 00000001 00000000 00020000 be847ac4 <4>[ 126.082423] bfe0: 00000004 be8477f8 b6f22d8f b6ea97e6 <4>[ 126.087805] irq event stamp: 0 <4>[ 126.091160] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 126.097011] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 126.104804] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 126.112614] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 126.118479] ---[ end trace 17b6be55efc73db6 ]--- <6>[ 126.123430] lkdtm: Overflow detected: saturated # [ 125.776210] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 125.784279] lkdtm: attempting good refcount_add() without overflow # [ 125.793657] lkdtm: attempting bad refcount_add() overflow # [ 125.802089] ------------[ cut here ]------------ # [ 125.809848] WARNING: CPU: 1 PID: 2672 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 125.821381] refcount_t: saturated; leaking memory. # [ 125.829296] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 125.860506] CPU: 1 PID: 2672 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 125.868518] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.875311] Backtrace: # [ 125.878039] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.885880] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 125.891811] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.899393] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 125.906626] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c # [ 125.914641] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.922392] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c6c3a000 # [ 125.928323] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 125.937552] r9:c1ad5e3c r8:c15ebd54 r7:c6c3bf60 r6:00000016 r5:c6ca0000 r4:c6c3a000 # [ 125.945569] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 125.955498] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 125.965857] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.975253] r4:0000002c # [ 125.978056] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.986335] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.994521] r9:c6c3bf60 r8:c3021900 r7:00000016 r6:b6e71000 r5:c41c3040 r4:c0c58704 # [ 126.002541] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 126.010640] r9:c07e2030 r8:c6c3bf60 r7:c290d000 r6:b6e71000 r5:c41c3040 r4:00000000 # [ 126.018653] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.026058] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c6c3a000 r5:c41c3040 # [ 126.034151] r4:c41c3040 # [ 126.036954] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.044359] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:00000016 r4:00000016 # [ 126.052374] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.060210] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) # [ 126.065530] bfa0: 00000016 00000016 00000001 b6e71000 00000016 00000000 # [ 126.073979] bfc0: 00000016 00000016 b6fb8e00 00000004 00000001 00000000 00020000 be847ac4 # [ 126.082423] bfe0: 00000004 be8477f8 b6f22d8f b6ea97e6 # [ 126.087805] irq event stamp: 0 # [ 126.091160] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.097011] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 126.104804] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 126.112614] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.118479] ---[ end trace 17b6be55efc73db6 ]--- # [ 126.123430] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 4<6>[ 126.547646] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 3 selftests: lkdtm: REFCOUNT_ADD_<6>[ 126.555899] lkdtm: attempting bad refcount_inc_not_zero() overflow OVERFLOW.sh # exit=1 # selftests<4>[ 126.565113] ------------[ cut here ]------------ : lkdtm: REFCOUNT_INC_NOT_ZERO_OV<4>[ 126.572941] WARNING: CPU: 1 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ERFLOW.sh <4>[ 126.584387] refcount_t: saturated; leaking memory. <4>[ 126.590389] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 126.619802] CPU: 1 PID: 2707 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 126.627814] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 126.634610] Backtrace: <4>[ 126.637338] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 126.645180] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 126.651112] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 126.658696] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 126.665930] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c <4>[ 126.673945] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 126.681696] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c6c3a000 <4>[ 126.687626] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 126.696854] r9:c1ad5e54 r8:c15ebd54 r7:c6c3bf60 r6:0000001f r5:c6ca0000 r4:7fffffff <4>[ 126.704871] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 126.715580] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 126.727495] r5:c6ca0000 r4:c6c3a000 <4>[ 126.731347] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 126.741525] r4:0000002d <4>[ 126.744328] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 126.752608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 126.760794] r9:c6c3bf60 r8:c3021900 r7:0000001f r6:b6ea3000 r5:c6a8fb80 r4:c0c58704 <4>[ 126.768812] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 126.776912] r9:c07e2030 r8:c6c3bf60 r7:c290d000 r6:b6ea3000 r5:c6a8fb80 r4:00000000 <4>[ 126.784925] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 126.792330] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c6c3a000 r5:c6a8fb80 <4>[ 126.800424] r4:c6a8fb80 <4>[ 126.803228] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 126.810632] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000001f r4:0000001f <4>[ 126.818648] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 126.826484] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) <4>[ 126.831806] bfa0: 0000001f 0000001f 00000001 b6ea3000 0000001f 00000000 <4>[ 126.840254] bfc0: 0000001f 0000001f b6feae00 00000004 00000001 00000000 00020000 bef4cac4 <4>[ 126.848698] bfe0: 00000004 bef4c7f8 b6f54d8f b6edb7e6 <4>[ 126.854074] irq event stamp: 0 <4>[ 126.857409] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 126.863283] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 126.871090] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 126.878878] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 126.884775] ---[ end trace 17b6be55efc73db7 ]--- <6>[ 126.889699] lkdtm: Overflow detected: saturated # [ 126.547646] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 126.555899] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 126.565113] ------------[ cut here ]------------ # [ 126.572941] WARNING: CPU: 1 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 126.584387] refcount_t: saturated; leaking memory. # [ 126.590389] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 126.619802] CPU: 1 PID: 2707 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 126.627814] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.634610] Backtrace: # [ 126.637338] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.645180] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 126.651112] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.658696] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 126.665930] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c # [ 126.673945] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.681696] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c6c3a000 # [ 126.687626] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 126.696854] r9:c1ad5e54 r8:c15ebd54 r7:c6c3bf60 r6:0000001f r5:c6ca0000 r4:7fffffff # [ 126.704871] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 126.715580] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 126.727495] r5:c6ca0000 r4:c6c3a000 # [ 126.731347] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.741525] r4:0000002d # [ 126.744328] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.752608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.760794] r9:c6c3bf60 r8:c3021900 r7:0000001f r6:b6ea3000 r5:c6a8fb80 r4:c0c58704 # [ 126.768812] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 126.776912] r9:c07e2030 r8:c6c3bf60 r7:c290d000 r6:b6ea3000 r5:c6a8fb80 r4:00000000 # [ 126.784925] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.792330] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c6c3a000 r5:c6a8fb80 # [ 126.800424] r4:c6a8fb80 # [ 126.803228] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.810632] r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000001f r4:0000001f # [ 126.818648] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.826484] Exception stack(0xc6c3bfa8 to 0xc6c3bff0) # [ 126.831806] bfa0: 0000001f 0000001f 00000001 b6ea3000 0000001f 00000000 # [ 126.840254] bfc0: 0000001f 0000001f b6feae00 00000004 00000001 00000000 00020000 bef4cac4 # [ 126.848698] bfe0: 00000004 bef4c7f8 b6f54d8f b6edb7e6 # [ 126.854074] irq event stamp: 0 # [ 126.857409] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.863283] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 126.871090] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 126.878878] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.884775] ---[ end trace 17b6be55efc73db7 ]--- # [ 126.889699] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL<6>[ 127.318292] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ] not ok 44 selftests: lkdtm: RE<6>[ 127.326144] lkdtm: attempting bad refcount_add_not_zero() overflow FCOUNT_INC_NOT_ZERO_OVERFLOW.sh #<4>[ 127.335422] ------------[ cut here ]------------ exit=1 # selftests: lkdtm: REFC<4>[ 127.343197] WARNING: CPU: 2 PID: 2742 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 OUNT_ADD_NOT_ZERO_OVERFLOW.sh <4>[ 127.354721] refcount_t: saturated; leaking memory. <4>[ 127.362462] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 127.391875] CPU: 2 PID: 2742 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 127.399885] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 127.406681] Backtrace: <4>[ 127.409411] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 127.417250] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 127.423183] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 127.430767] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 127.437999] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c <4>[ 127.446013] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 127.453764] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c6af4000 <4>[ 127.459697] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 127.468924] r9:c1ad5e74 r8:c15ebd54 r7:c6af5f60 r6:0000001f r5:c427c000 r4:7fffffff <4>[ 127.476943] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 127.487651] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 127.499567] r5:c427c000 r4:c6af4000 <4>[ 127.503417] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 127.513595] r4:0000002e <4>[ 127.516398] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 127.524679] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 127.532864] r9:c6af5f60 r8:c3021900 r7:0000001f r6:b6e56000 r5:c69757c0 r4:c0c58704 <4>[ 127.540883] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 127.548984] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6e56000 r5:c69757c0 r4:00000000 <4>[ 127.556998] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 127.564402] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c6af4000 r5:c69757c0 <4>[ 127.572497] r4:c69757c0 <4>[ 127.575300] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 127.582704] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f <4>[ 127.590720] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 127.598556] Exception stack(0xc6af5fa8 to 0xc6af5ff0) <4>[ 127.603878] 5fa0: 0000001f 0000001f 00000001 b6e56000 0000001f 00000000 <4>[ 127.612324] 5fc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 bee56ac4 <4>[ 127.620767] 5fe0: 00000004 bee567f8 b6f07d8f b6e8e7e6 <4>[ 127.626151] irq event stamp: 0 <4>[ 127.629505] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 127.635355] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 127.643145] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 127.650947] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 127.656797] ---[ end trace 17b6be55efc73db8 ]--- <6>[ 127.661732] lkdtm: Overflow detected: saturated # [ 127.318292] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 127.326144] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 127.335422] ------------[ cut here ]------------ # [ 127.343197] WARNING: CPU: 2 PID: 2742 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 127.354721] refcount_t: saturated; leaking memory. # [ 127.362462] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 127.391875] CPU: 2 PID: 2742 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 127.399885] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.406681] Backtrace: # [ 127.409411] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.417250] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 127.423183] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.430767] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 127.437999] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c # [ 127.446013] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.453764] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c6af4000 # [ 127.459697] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 127.468924] r9:c1ad5e74 r8:c15ebd54 r7:c6af5f60 r6:0000001f r5:c427c000 r4:7fffffff # [ 127.476943] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 127.487651] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 127.499567] r5:c427c000 r4:c6af4000 # [ 127.503417] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.513595] r4:0000002e # [ 127.516398] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.524679] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.532864] r9:c6af5f60 r8:c3021900 r7:0000001f r6:b6e56000 r5:c69757c0 r4:c0c58704 # [ 127.540883] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 127.548984] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6e56000 r5:c69757c0 r4:00000000 # [ 127.556998] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.564402] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c6af4000 r5:c69757c0 # [ 127.572497] r4:c69757c0 # [ 127.575300] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.582704] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f # [ 127.590720] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.598556] Exception stack(0xc6af5fa8 to 0xc6af5ff0) # [ 127.603878] 5fa0: 0000001f 0000001f 00000001 b6e56000 0000001f 00000000 # [ 127.612324] 5fc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 bee56ac4 # [ 127.620767] 5fe0: 00000004 bee567f8 b6f07d8f b6e8e7e6 # [ 127.626151] irq event stamp: 0 # [ 127.629505] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.635355] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 127.643145] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 127.650947] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.656797] ---[ end trace 17b6be55efc73db8 ]--- # [ 127.661732] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: <6>[ 128.098488] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO lkdtm: REFCOUNT_ADD_NOT_ZERO_OVER<6>[ 128.105246] lkdtm: attempting good refcount_dec() FLOW.sh # exit=1 # selftests: lk<6>[ 128.113078] lkdtm: attempting bad refcount_dec() to zero dtm: REFCOUNT_DEC_ZERO.sh <4>[ 128.121655] ------------[ cut here ]------------ <4>[ 128.128791] WARNING: CPU: 0 PID: 2777 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 128.137527] refcount_t: decrement hit 0; leaking memory. <4>[ 128.143214] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 128.172629] CPU: 0 PID: 2777 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 128.180640] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 128.187434] Backtrace: <4>[ 128.190164] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 128.198004] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 128.203935] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 128.211521] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 128.218753] r9:00000009 r8:c08759cc r7:0000001f r6:00000009 r5:c08759cc r4:c1a29f2c <4>[ 128.226767] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 128.234517] r7:0000001f r6:c1a29f2c r5:c1a29f90 r4:c426c000 <4>[ 128.240449] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 128.249676] r9:c1ad5e94 r8:c15ebd54 r7:c426df60 r6:00000012 r5:c6852000 r4:c426c000 <4>[ 128.257696] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 128.267620] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 128.277634] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 128.286684] r4:0000002f <4>[ 128.289488] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 128.297769] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 128.305955] r9:c426df60 r8:c3021900 r7:00000012 r6:b6e7f000 r5:c6adcdc0 r4:c0c58704 <4>[ 128.313974] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 128.322075] r9:c07e2030 r8:c426df60 r7:c290d000 r6:b6e7f000 r5:c6adcdc0 r4:00000000 <4>[ 128.330089] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 128.337495] r10:00000004 r9:00000000 r8:00000000 r7:b6e7f000 r6:c426c000 r5:c6adcdc0 <4>[ 128.345588] r4:c6adcdc0 <4>[ 128.348392] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 128.355796] r9:c426c000 r8:c03002e4 r7:00000004 r6:b6fc6e00 r5:00000012 r4:00000012 <4>[ 128.363813] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 128.371648] Exception stack(0xc426dfa8 to 0xc426dff0) <4>[ 128.376970] dfa0: 00000012 00000012 00000001 b6e7f000 00000012 00000000 <4>[ 128.385415] dfc0: 00000012 00000012 b6fc6e00 00000004 00000001 00000000 00020000 bee05ac4 <4>[ 128.393861] dfe0: 00000004 bee057f8 b6f30d8f b6eb77e6 <4>[ 128.399211] irq event stamp: 0 <4>[ 128.402545] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 128.408395] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 128.416216] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 128.424004] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 128.429870] ---[ end trace 17b6be55efc73db9 ]--- <6>[ 128.434760] lkdtm: Zero detected: saturated # [ 128.098488] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 128.105246] lkdtm: attempting good refcount_dec() # [ 128.113078] lkdtm: attempting bad refcount_dec() to zero # [ 128.121655] ------------[ cut here ]------------ # [ 128.128791] WARNING: CPU: 0 PID: 2777 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 128.137527] refcount_t: decrement hit 0; leaking memory. # [ 128.143214] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 128.172629] CPU: 0 PID: 2777 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 128.180640] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.187434] Backtrace: # [ 128.190164] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.198004] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 128.203935] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.211521] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 128.218753] r9:00000009 r8:c08759cc r7:0000001f r6:00000009 r5:c08759cc r4:c1a29f2c # [ 128.226767] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.234517] r7:0000001f r6:c1a29f2c r5:c1a29f90 r4:c426c000 # [ 128.240449] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 128.249676] r9:c1ad5e94 r8:c15ebd54 r7:c426df60 r6:00000012 r5:c6852000 r4:c426c000 # [ 128.257696] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 128.267620] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 128.277634] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.286684] r4:0000002f # [ 128.289488] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.297769] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.305955] r9:c426df60 r8:c3021900 r7:00000012 r6:b6e7f000 r5:c6adcdc0 r4:c0c58704 # [ 128.313974] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 128.322075] r9:c07e2030 r8:c426df60 r7:c290d000 r6:b6e7f000 r5:c6adcdc0 r4:00000000 # [ 128.330089] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.337495] r10:00000004 r9:00000000 r8:00000000 r7:b6e7f000 r6:c426c000 r5:c6adcdc0 # [ 128.345588] r4:c6adcdc0 # [ 128.348392] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.355796] r9:c426c000 r8:c03002e4 r7:00000004 r6:b6fc6e00 r5:00000012 r4:00000012 # [ 128.363813] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.371648] Exception stack(0xc426dfa8 to 0xc426dff0) # [ 128.376970] dfa0: 00000012 00000012 00000001 b6e7f000 00000012 00000000 # [ 128.385415] dfc0: 00000012 00000012 b6fc6e00 00000004 00000001 00000000 00020000 bee05ac4 # [ 128.393861] dfe0: 00000004 bee057f8 b6f30d8f b6eb77e6 # [ 128.399211] irq event stamp: 0 # [ 128.402545] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.408395] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 128.416216] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 128.424004] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.429870] ---[ end trace 17b6be55efc73db9 ]--- # [ 128.434760] 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>[ 128.882749] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 128.889091] lkdtm: attempting bad refcount_dec() below zero <4>[ 128.894968] ------------[ cut here ]------------ <4>[ 128.899946] WARNING: CPU: 0 PID: 2815 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 128.908660] refcount_t: decrement hit 0; leaking memory. <4>[ 128.914376] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 128.944156] CPU: 0 PID: 2815 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 128.952169] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 128.958963] Backtrace: <4>[ 128.961694] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 128.969536] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 128.975469] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 128.983053] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 128.990284] r9:00000009 r8:c08759cc r7:0000001f r6:00000009 r5:c08759cc r4:c1a29f2c <4>[ 128.998300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 129.006050] r7:0000001f r6:c1a29f2c r5:c1a29f90 r4:c6a62000 <4>[ 129.011981] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 129.021208] r9:c1ad5ea8 r8:c15ebd54 r7:c6a63f60 r6:00000016 r5:00000000 r4:c6a62000 <4>[ 129.029226] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 129.039152] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 129.049512] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 129.058909] r5:c6b3f000 r4:00000030 <4>[ 129.062755] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 129.071034] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 129.079221] r9:c6a63f60 r8:c3021900 r7:00000016 r6:b6dee000 r5:c41d5b80 r4:c0c58704 <4>[ 129.087241] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 129.095340] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6dee000 r5:c41d5b80 r4:00000000 <4>[ 129.103354] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 129.110759] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6a62000 r5:c41d5b80 <4>[ 129.118854] r4:c41d5b80 <4>[ 129.121660] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 129.129063] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000016 r4:00000016 <4>[ 129.137078] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 129.144913] Exception stack(0xc6a63fa8 to 0xc6a63ff0) <4>[ 129.150235] 3fa0: 00000016 00000016 00000001 b6dee000 00000016 00000000 <4>[ 129.158684] 3fc0: 00000016 00000016 b6f35e00 00000004 00000001 00000000 00020000 bed0dac4 <4>[ 129.167126] 3fe0: 00000004 bed0d7f8 b6e9fd8f b6e267e6 <4>[ 129.172483] irq event stamp: 0 <4>[ 129.175817] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 129.181694] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 129.189488] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 129.197251] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 129.203125] ---[ end trace 17b6be55efc73dba ]--- <6>[ 129.208017] lkdtm: Negative detected: saturated # [ 128.882749] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 128.889091] lkdtm: attempting bad refcount_dec() below zero # [ 128.894968] ------------[ cut here ]------------ # [ 128.899946] WARNING: CPU: 0 PID: 2815 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 128.908660] refcount_t: decrement hit 0; leaking memory. # [ 128.914376] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 128.944156] CPU: 0 PID: 2815 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 128.952169] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.958963] Backtrace: # [ 128.961694] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.969536] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 128.975469] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.983053] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 128.990284] r9:00000009 r8:c08759cc r7:0000001f r6:00000009 r5:c08759cc r4:c1a29f2c # [ 128.998300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.006050] r7:0000001f r6:c1a29f2c r5:c1a29f90 r4:c6a62000 # [ 129.011981] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 129.021208] r9:c1ad5ea8 r8:c15ebd54 r7:c6a63f60 r6:00000016 r5:00000000 r4:c6a62000 # [ 129.029226] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 129.039152] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 129.049512] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.058909] r5:c6b3f000 r4:00000030 # [ 129.062755] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.071034] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.079221] r9:c6a63f60 r8:c3021900 r7:00000016 r6:b6dee000 r5:c41d5b80 r4:c0c58704 # [ 129.087241] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 129.095340] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6dee000 r5:c41d5b80 r4:00000000 # [ 129.103354] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.110759] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6a62000 r5:c41d5b80 # [ 129.118854] r4:c41d5b80 # [ 129.121660] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.129063] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000016 r4:00000016 # [ 129.137078] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.144913] Exception stack(0xc6a63fa8 to 0xc6a63ff0) # [ 129.150235] 3fa0: 00000016 00000016 00000001 b6dee000 00000016 00000000 # [ 129.158684] 3fc0: 00000016 00000016 b6f35e00 00000004 00000001 00000000 00020000 bed0dac4 # [ 129.167126] 3fe0: 00000004 bed0d7f8 b6e9fd8f b6e267e6 # [ 129.172483] irq event stamp: 0 # [ 129.175817] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.181694] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 129.189488] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 129.197251] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.203125] ---[ end trace 17b6be55efc73dba ]--- # [ 129.208017] 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>[ 129.655815] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 129.663029] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 129.669739] ------------[ cut here ]------------ <4>[ 129.674677] WARNING: CPU: 2 PID: 2851 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 129.683594] refcount_t: underflow; use-after-free. <4>[ 129.688686] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 129.718091] CPU: 2 PID: 2851 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 129.726104] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 129.732896] Backtrace: <4>[ 129.735627] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 129.743469] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 129.749403] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 129.756988] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 129.764218] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c <4>[ 129.772231] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 129.779982] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6a62000 <4>[ 129.785915] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 129.795229] r9:c1ad5ec0 r8:c15ebd54 r7:c6a63f60 r6:0000001f r5:00000000 r4:c6a62000 <4>[ 129.803249] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 129.813960] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 129.825882] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 129.836060] r5:c427c000 r4:00000031 <4>[ 129.839907] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 129.848187] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 129.856373] r9:c6a63f60 r8:c3021900 r7:0000001f r6:b6e45000 r5:c6a38c80 r4:c0c58704 <4>[ 129.864393] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 129.872495] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6e45000 r5:c6a38c80 r4:00000000 <4>[ 129.880508] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 129.887914] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6a62000 r5:c6a38c80 <4>[ 129.896009] r4:c6a38c80 <4>[ 129.898814] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 129.906220] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000001f r4:0000001f <4>[ 129.914235] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 129.922071] Exception stack(0xc6a63fa8 to 0xc6a63ff0) <4>[ 129.927394] 3fa0: 0000001f 0000001f 00000001 b6e45000 0000001f 00000000 <4>[ 129.935841] 3fc0: 0000001f 0000001f b6f8ce00 00000004 00000001 00000000 00020000 be88fac4 <4>[ 129.944286] 3fe0: 00000004 be88f7f8 b6ef6d8f b6e7d7e6 <4>[ 129.949656] irq event stamp: 0 <4>[ 129.952990] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 129.958839] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 129.966660] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 129.974487] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 129.980384] ---[ end trace 17b6be55efc73dbb ]--- <6>[ 129.985280] lkdtm: Negative detected: saturated # [ 129.655815] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 129.663029] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 129.669739] ------------[ cut here ]------------ # [ 129.674677] WARNING: CPU: 2 PID: 2851 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 129.683594] refcount_t: underflow; use-after-free. # [ 129.688686] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 129.718091] CPU: 2 PID: 2851 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 129.726104] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.732896] Backtrace: # [ 129.735627] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.743469] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 129.749403] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.756988] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 129.764218] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c # [ 129.772231] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.779982] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6a62000 # [ 129.785915] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 129.795229] r9:c1ad5ec0 r8:c15ebd54 r7:c6a63f60 r6:0000001f r5:00000000 r4:c6a62000 # [ 129.803249] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 129.813960] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 129.825882] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.836060] r5:c427c000 r4:00000031 # [ 129.839907] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.848187] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.856373] r9:c6a63f60 r8:c3021900 r7:0000001f r6:b6e45000 r5:c6a38c80 r4:c0c58704 # [ 129.864393] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 129.872495] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6e45000 r5:c6a38c80 r4:00000000 # [ 129.880508] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.887914] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6a62000 r5:c6a38c80 # [ 129.896009] r4:c6a38c80 # [ 129.898814] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.906220] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000001f r4:0000001f # [ 129.914235] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.922071] Exception stack(0xc6a63fa8 to 0xc6a63ff0) # [ 129.927394] 3fa0: 0000001f 0000001f 00000001 b6e45000 0000001f 00000000 # [ 129.935841] 3fc0: 0000001f 0000001f b6f8ce00 00000004 00000001 00000000 00020000 be88fac4 # [ 129.944286] 3fe0: 00000004 be88f7f8 b6ef6d8f b6e7d7e6 # [ 129.949656] irq event stamp: 0 # [ 129.952990] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.958839] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 129.966660] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 129.974487] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.980384] ---[ end trace 17b6be55efc73dbb ]--- # [ 129.985280] 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>[ 130.433213] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 130.440354] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 130.446984] ------------[ cut here ]------------ <4>[ 130.452020] WARNING: CPU: 0 PID: 2887 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 130.460903] refcount_t: underflow; use-after-free. <4>[ 130.465969] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 130.495380] CPU: 0 PID: 2887 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 130.503390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 130.510183] Backtrace: <4>[ 130.512915] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 130.520756] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 130.526689] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 130.534275] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 130.541506] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c <4>[ 130.549521] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 130.557272] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6a76000 <4>[ 130.563207] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 130.572522] r9:c1ad5ee0 r8:c15ebd54 r7:c6a77f60 r6:0000001f r5:c5f7f000 r4:c6a76000 <4>[ 130.580539] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 130.591251] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 130.603172] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 130.613349] r4:00000032 <4>[ 130.616153] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 130.624433] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 130.632620] r9:c6a77f60 r8:c3021900 r7:0000001f r6:b6eb3000 r5:c6adc500 r4:c0c58704 <4>[ 130.640639] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 130.648739] r9:c07e2030 r8:c6a77f60 r7:c290d000 r6:b6eb3000 r5:c6adc500 r4:00000000 <4>[ 130.656753] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 130.664159] r10:00000004 r9:00000000 r8:00000000 r7:b6eb3000 r6:c6a76000 r5:c6adc500 <4>[ 130.672253] r4:c6adc500 <4>[ 130.675059] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 130.682463] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6ffae00 r5:0000001f r4:0000001f <4>[ 130.690478] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 130.698313] Exception stack(0xc6a77fa8 to 0xc6a77ff0) <4>[ 130.703635] 7fa0: 0000001f 0000001f 00000001 b6eb3000 0000001f 00000000 <4>[ 130.712083] 7fc0: 0000001f 0000001f b6ffae00 00000004 00000001 00000000 00020000 be966ac4 <4>[ 130.720526] 7fe0: 00000004 be9667f8 b6f64d8f b6eeb7e6 <4>[ 130.725871] irq event stamp: 0 <4>[ 130.729220] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 130.735069] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 130.742847] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 130.750628] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 130.756472] ---[ end trace 17b6be55efc73dbc ]--- <6>[ 130.761380] lkdtm: Negative detected: saturated # [ 130.433213] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 130.440354] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 130.446984] ------------[ cut here ]------------ # [ 130.452020] WARNING: CPU: 0 PID: 2887 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 130.460903] refcount_t: underflow; use-after-free. # [ 130.465969] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 130.495380] CPU: 0 PID: 2887 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 130.503390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.510183] Backtrace: # [ 130.512915] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.520756] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 130.526689] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.534275] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 130.541506] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c # [ 130.549521] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.557272] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6a76000 # [ 130.563207] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 130.572522] r9:c1ad5ee0 r8:c15ebd54 r7:c6a77f60 r6:0000001f r5:c5f7f000 r4:c6a76000 # [ 130.580539] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 130.591251] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 130.603172] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.613349] r4:00000032 # [ 130.616153] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.624433] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.632620] r9:c6a77f60 r8:c3021900 r7:0000001f r6:b6eb3000 r5:c6adc500 r4:c0c58704 # [ 130.640639] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 130.648739] r9:c07e2030 r8:c6a77f60 r7:c290d000 r6:b6eb3000 r5:c6adc500 r4:00000000 # [ 130.656753] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.664159] r10:00000004 r9:00000000 r8:00000000 r7:b6eb3000 r6:c6a76000 r5:c6adc500 # [ 130.672253] r4:c6adc500 # [ 130.675059] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.682463] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6ffae00 r5:0000001f r4:0000001f # [ 130.690478] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.698313] Exception stack(0xc6a77fa8 to 0xc6a77ff0) # [ 130.703635] 7fa0: 0000001f 0000001f 00000001 b6eb3000 0000001f 00000000 # [ 130.712083] 7fc0: 0000001f 0000001f b6ffae00 00000004 00000001 00000000 00020000 be966ac4 # [ 130.720526] 7fe0: 00000004 be9667f8 b6f64d8f b6eeb7e6 # [ 130.725871] irq event stamp: 0 # [ 130.729220] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.735069] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 130.742847] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 130.750628] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.756472] ---[ end trace 17b6be55efc73dbc ]--- # [ 130.761380] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok<6>[ 131.213867] lkdtm: Performing direct entry REFCOUNT_INC_ZERO ok 49 selftests: lkdtm: REFCOUN<6>[ 131.220539] lkdtm: attempting safe refcount_inc_not_zero() from zero T_SUB_AND_TEST_NEGATIVE.sh # sel<6>[ 131.230063] lkdtm: Good: zero detected ftests: lkdtm: REFCOUNT_INC_ZERO.<6>[ 131.236855] lkdtm: Correctly stayed at zero sh <6>[ 131.244203] lkdtm: attempting bad refcount_inc() from zero <4>[ 131.250291] ------------[ cut here ]------------ <4>[ 131.255195] WARNING: CPU: 2 PID: 2920 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 131.264019] refcount_t: addition on 0; use-after-free. <4>[ 131.269455] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 131.298861] CPU: 2 PID: 2920 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 131.306872] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 131.313664] Backtrace: <4>[ 131.316395] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 131.324234] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 131.330166] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 131.337751] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 131.344982] r9:00000009 r8:c0875a68 r7:00000019 r6:00000009 r5:c0875a68 r4:c1a29f2c <4>[ 131.352996] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 131.360746] r7:00000019 r6:c1a29f2c r5:c1a29f3c r4:c6a62000 <4>[ 131.366678] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 131.375992] r9:c1ad5f00 r8:c15ebd54 r7:c6a63f60 r6:00000012 r5:00000000 r4:c6a62000 <4>[ 131.384012] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 131.393940] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 131.403951] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 131.413003] r5:c427c000 r4:00000033 <4>[ 131.416847] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 131.425127] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 131.433312] r9:c6a63f60 r8:c3021900 r7:00000012 r6:b6e8c000 r5:c6ace780 r4:c0c58704 <4>[ 131.441333] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 131.449432] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6e8c000 r5:c6ace780 r4:00000000 <4>[ 131.457447] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 131.464851] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c6a62000 r5:c6ace780 <4>[ 131.472945] r4:c6ace780 <4>[ 131.475750] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 131.483156] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000012 r4:00000012 <4>[ 131.491172] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 131.499007] Exception stack(0xc6a63fa8 to 0xc6a63ff0) <4>[ 131.504330] 3fa0: 00000012 00000012 00000001 b6e8c000 00000012 00000000 <4>[ 131.512776] 3fc0: 00000012 00000012 b6fd3e00 00000004 00000001 00000000 00020000 bebfcac4 <4>[ 131.521219] 3fe0: 00000004 bebfc7f8 b6f3dd8f b6ec47e6 <4>[ 131.526593] irq event stamp: 0 <4>[ 131.529948] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 131.535798] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 131.543597] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 131.551422] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 131.557276] ---[ end trace 17b6be55efc73dbd ]--- <6>[ 131.562212] lkdtm: Zero detected: saturated # [ 131.213867] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 131.220539] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 131.230063] lkdtm: Good: zero detected # [ 131.236855] lkdtm: Correctly stayed at zero # [ 131.244203] lkdtm: attempting bad refcount_inc() from zero # [ 131.250291] ------------[ cut here ]------------ # [ 131.255195] WARNING: CPU: 2 PID: 2920 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 131.264019] refcount_t: addition on 0; use-after-free. # [ 131.269455] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 131.298861] CPU: 2 PID: 2920 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 131.306872] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.313664] Backtrace: # [ 131.316395] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.324234] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 131.330166] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.337751] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 131.344982] r9:00000009 r8:c0875a68 r7:00000019 r6:00000009 r5:c0875a68 r4:c1a29f2c # [ 131.352996] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.360746] r7:00000019 r6:c1a29f2c r5:c1a29f3c r4:c6a62000 # [ 131.366678] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 131.375992] r9:c1ad5f00 r8:c15ebd54 r7:c6a63f60 r6:00000012 r5:00000000 r4:c6a62000 # [ 131.384012] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 131.393940] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 131.403951] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.413003] r5:c427c000 r4:00000033 # [ 131.416847] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.425127] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.433312] r9:c6a63f60 r8:c3021900 r7:00000012 r6:b6e8c000 r5:c6ace780 r4:c0c58704 # [ 131.441333] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 131.449432] r9:c07e2030 r8:c6a63f60 r7:c290d000 r6:b6e8c000 r5:c6ace780 r4:00000000 # [ 131.457447] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.464851] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c6a62000 r5:c6ace780 # [ 131.472945] r4:c6ace780 # [ 131.475750] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.483156] r9:c6a62000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000012 r4:00000012 # [ 131.491172] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.499007] Exception stack(0xc6a63fa8 to 0xc6a63ff0) # [ 131.504330] 3fa0: 00000012 00000012 00000001 b6e8c000 00000012 00000000 # [ 131.512776] 3fc0: 00000012 00000012 b6fd3e00 00000004 00000001 00000000 00020000 bebfcac4 # [ 131.521219] 3fe0: 00000004 bebfc7f8 b6f3dd8f b6ec47e6 # [ 131.526593] irq event stamp: 0 # [ 131.529948] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.535798] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 131.543597] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 131.551422] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.557276] ---[ end trace 17b6be55efc73dbd ]--- # [ 131.562212] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not<6>[ 132.008056] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ok 50 selftests: lkdtm: REFCOUNT<6>[ 132.014482] lkdtm: attempting safe refcount_add_not_zero() from zero _INC_ZERO.sh # exit=1 # selftest<6>[ 132.023992] lkdtm: Good: zero detected s: lkdtm: REFCOUNT_ADD_ZERO.sh <6>[ 132.030845] lkdtm: Correctly stayed at zero <6>[ 132.038013] lkdtm: attempting bad refcount_add() from zero <4>[ 132.043805] ------------[ cut here ]------------ <4>[ 132.048715] WARNING: CPU: 1 PID: 2955 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 132.057562] refcount_t: addition on 0; use-after-free. <4>[ 132.063030] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 132.092520] CPU: 1 PID: 2955 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 132.100536] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 132.107332] Backtrace: <4>[ 132.110071] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 132.117916] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 132.123854] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 132.131445] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 132.138681] r9:00000009 r8:c0875a68 r7:00000019 r6:00000009 r5:c0875a68 r4:c1a29f2c <4>[ 132.146699] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 132.154453] r7:00000019 r6:c1a29f2c r5:c1a29f3c r4:c5f66000 <4>[ 132.160389] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 132.169707] r9:c1ad5f14 r8:c15ebd54 r7:c5f67f60 r6:00000012 r5:00000000 r4:c5f66000 <4>[ 132.177730] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 132.187665] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 132.197681] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 132.206734] r5:c6c9f000 r4:00000034 <4>[ 132.210583] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 132.218868] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 132.227058] r9:c5f67f60 r8:c3021900 r7:00000012 r6:b6e70000 r5:c6974f00 r4:c0c58704 <4>[ 132.235083] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 132.243188] r9:c07e2030 r8:c5f67f60 r7:c290d000 r6:b6e70000 r5:c6974f00 r4:00000000 <4>[ 132.251206] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 132.258615] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5f66000 r5:c6974f00 <4>[ 132.266712] r4:c6974f00 <4>[ 132.269521] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 132.276931] r9:c5f66000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000012 r4:00000012 <4>[ 132.284951] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 132.292789] Exception stack(0xc5f67fa8 to 0xc5f67ff0) <4>[ 132.298114] 7fa0: 00000012 00000012 00000001 b6e70000 00000012 00000000 <4>[ 132.306565] 7fc0: 00000012 00000012 b6fb7e00 00000004 00000001 00000000 00020000 bee1aac4 <4>[ 132.315012] 7fe0: 00000004 bee1a7f8 b6f21d8f b6ea87e6 <4>[ 132.320411] irq event stamp: 0 <4>[ 132.323750] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 132.329638] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 132.337408] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 132.345219] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 132.351117] ---[ end trace 17b6be55efc73dbe ]--- <6>[ 132.356015] lkdtm: Zero detected: saturated # [ 132.008056] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 132.014482] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 132.023992] lkdtm: Good: zero detected # [ 132.030845] lkdtm: Correctly stayed at zero # [ 132.038013] lkdtm: attempting bad refcount_add() from zero # [ 132.043805] ------------[ cut here ]------------ # [ 132.048715] WARNING: CPU: 1 PID: 2955 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 132.057562] refcount_t: addition on 0; use-after-free. # [ 132.063030] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 132.092520] CPU: 1 PID: 2955 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 132.100536] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.107332] Backtrace: # [ 132.110071] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.117916] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 132.123854] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.131445] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 132.138681] r9:00000009 r8:c0875a68 r7:00000019 r6:00000009 r5:c0875a68 r4:c1a29f2c # [ 132.146699] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.154453] r7:00000019 r6:c1a29f2c r5:c1a29f3c r4:c5f66000 # [ 132.160389] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 132.169707] r9:c1ad5f14 r8:c15ebd54 r7:c5f67f60 r6:00000012 r5:00000000 r4:c5f66000 # [ 132.177730] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 132.187665] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 132.197681] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.206734] r5:c6c9f000 r4:00000034 # [ 132.210583] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.218868] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.227058] r9:c5f67f60 r8:c3021900 r7:00000012 r6:b6e70000 r5:c6974f00 r4:c0c58704 # [ 132.235083] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 132.243188] r9:c07e2030 r8:c5f67f60 r7:c290d000 r6:b6e70000 r5:c6974f00 r4:00000000 # [ 132.251206] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.258615] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5f66000 r5:c6974f00 # [ 132.266712] r4:c6974f00 # [ 132.269521] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.276931] r9:c5f66000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000012 r4:00000012 # [ 132.284951] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.292789] Exception stack(0xc5f67fa8 to 0xc5f67ff0) # [ 132.298114] 7fa0: 00000012 00000012 00000001 b6e70000 00000012 00000000 # [ 132.306565] 7fc0: 00000012 00000012 b6fb7e00 00000004 00000001 00000000 00020000 bee1aac4 # [ 132.315012] 7fe0: 00000004 bee1a7f8 b6f21d8f b6ea87e6 # [ 132.320411] irq event stamp: 0 # [ 132.323750] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.329638] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 132.337408] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 132.345219] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.351117] ---[ end trace 17b6be55efc73dbe ]--- # [ 132.356015] 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>[ 132.830430] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 132.836811] lkdtm: attempting bad refcount_inc() from saturated <4>[ 132.843068] ------------[ cut here ]------------ <4>[ 132.847982] WARNING: CPU: 2 PID: 2993 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 132.856738] refcount_t: saturated; leaking memory. <4>[ 132.861949] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 132.891661] CPU: 2 PID: 2993 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 132.899672] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 132.906467] Backtrace: <4>[ 132.909197] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 132.917037] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 132.922968] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 132.930553] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 132.937786] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c <4>[ 132.945802] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 132.953551] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c4292000 <4>[ 132.959482] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 132.968710] r9:c1ad5f28 r8:c15ebd54 r7:c4293f60 r6:00000017 r5:c6cd0000 r4:c4292000 <4>[ 132.976729] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 132.986657] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 132.997104] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 133.006587] r4:00000035 <4>[ 133.009390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 133.017670] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 133.025855] r9:c4293f60 r8:c3021900 r7:00000017 r6:b6e66000 r5:c6a39a40 r4:c0c58704 <4>[ 133.033874] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 133.041973] r9:c07e2030 r8:c4293f60 r7:c290d000 r6:b6e66000 r5:c6a39a40 r4:00000000 <4>[ 133.049986] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 133.057393] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c4292000 r5:c6a39a40 <4>[ 133.065487] r4:c6a39a40 <4>[ 133.068292] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 133.075698] r9:c4292000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:00000017 r4:00000017 <4>[ 133.083712] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 133.091549] Exception stack(0xc4293fa8 to 0xc4293ff0) <4>[ 133.096871] 3fa0: 00000017 00000017 00000001 b6e66000 00000017 00000000 <4>[ 133.105319] 3fc0: 00000017 00000017 b6fade00 00000004 00000001 00000000 00020000 be8daac4 <4>[ 133.113763] 3fe0: 00000004 be8da7f8 b6f17d8f b6e9e7e6 <4>[ 133.119168] irq event stamp: 0 <4>[ 133.122503] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 133.128352] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 133.136166] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 133.143996] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 133.149888] ---[ end trace 17b6be55efc73dbf ]--- <6>[ 133.154788] lkdtm: Saturation detected: still saturated # [ 132.830430] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 132.836811] lkdtm: attempting bad refcount_inc() from saturated # [ 132.843068] ------------[ cut here ]------------ # [ 132.847982] WARNING: CPU: 2 PID: 2993 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 132.856738] refcount_t: saturated; leaking memory. # [ 132.861949] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 132.891661] CPU: 2 PID: 2993 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 132.899672] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.906467] Backtrace: # [ 132.909197] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.917037] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 132.922968] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.930553] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 132.937786] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c # [ 132.945802] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.953551] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c4292000 # [ 132.959482] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 132.968710] r9:c1ad5f28 r8:c15ebd54 r7:c4293f60 r6:00000017 r5:c6cd0000 r4:c4292000 # [ 132.976729] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 132.986657] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 132.997104] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.006587] r4:00000035 # [ 133.009390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.017670] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.025855] r9:c4293f60 r8:c3021900 r7:00000017 r6:b6e66000 r5:c6a39a40 r4:c0c58704 # [ 133.033874] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 133.041973] r9:c07e2030 r8:c4293f60 r7:c290d000 r6:b6e66000 r5:c6a39a40 r4:00000000 # [ 133.049986] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.057393] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c4292000 r5:c6a39a40 # [ 133.065487] r4:c6a39a40 # [ 133.068292] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.075698] r9:c4292000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:00000017 r4:00000017 # [ 133.083712] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.091549] Exception stack(0xc4293fa8 to 0xc4293ff0) # [ 133.096871] 3fa0: 00000017 00000017 00000001 b6e66000 00000017 00000000 # [ 133.105319] 3fc0: 00000017 00000017 b6fade00 00000004 00000001 00000000 00020000 be8daac4 # [ 133.113763] 3fe0: 00000004 be8da7f8 b6f17d8f b6e9e7e6 # [ 133.119168] irq event stamp: 0 # [ 133.122503] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.128352] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 133.136166] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 133.143996] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.149888] ---[ end trace 17b6be55efc73dbf ]--- # [ 133.154788] 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>[ 133.625928] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 133.632376] lkdtm: attempting bad refcount_dec() from saturated <4>[ 133.638572] ------------[ cut here ]------------ <4>[ 133.643551] WARNING: CPU: 2 PID: 3029 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 133.652325] refcount_t: decrement hit 0; leaking memory. <4>[ 133.657915] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 133.687483] CPU: 2 PID: 3029 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 133.695500] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 133.702296] Backtrace: <4>[ 133.705033] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 133.712877] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 133.718817] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 133.726406] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 133.733643] r9:00000009 r8:c08759cc r7:0000001f r6:00000009 r5:c08759cc r4:c1a29f2c <4>[ 133.741663] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 133.749417] r7:0000001f r6:c1a29f2c r5:c1a29f90 r4:c6b24000 <4>[ 133.755354] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 133.764587] r9:c1ad5f40 r8:c15ebd54 r7:c6b25f60 r6:00000017 r5:c6cd0000 r4:c6b24000 <4>[ 133.772612] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 133.782543] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 133.792996] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 133.802483] r4:00000036 <4>[ 133.805291] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 133.813576] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 133.821767] r9:c6b25f60 r8:c3021900 r7:00000017 r6:b6e07000 r5:c6a39180 r4:c0c58704 <4>[ 133.829792] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 133.837898] r9:c07e2030 r8:c6b25f60 r7:c290d000 r6:b6e07000 r5:c6a39180 r4:00000000 <4>[ 133.845918] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 133.853328] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6b24000 r5:c6a39180 <4>[ 133.861425] r4:c6a39180 <4>[ 133.864233] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 133.871643] r9:c6b24000 r8:c03002e4 r7:00000004 r6:b6f4ee00 r5:00000017 r4:00000017 <4>[ 133.879663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 133.887502] Exception stack(0xc6b25fa8 to 0xc6b25ff0) <4>[ 133.892829] 5fa0: 00000017 00000017 00000001 b6e07000 00000017 00000000 <4>[ 133.901282] 5fc0: 00000017 00000017 b6f4ee00 00000004 00000001 00000000 00020000 beb53ac4 <4>[ 133.909730] 5fe0: 00000004 beb537f8 b6eb8d8f b6e3f7e6 <4>[ 133.915128] irq event stamp: 0 <4>[ 133.918467] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 133.924363] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 133.932205] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 133.940016] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 133.945870] ---[ end trace 17b6be55efc73dc0 ]--- <6>[ 133.950822] lkdtm: Saturation detected: still saturated # [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 # [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines # [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled # [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB # [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 # [ 0.000000] Switching to timer-based delay loop, resolution 333ns # [ 133.625928] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 133.632376] lkdtm: attempting bad refcount_dec() from saturated # [ 133.638572] ------------[ cut here ]------------ # [ 133.643551] WARNING: CPU: 2 PID: 3029 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 133.652325] refcount_t: decrement hit 0; leaking memory. # [ 133.657915] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 133.687483] CPU: 2 PID: 3029 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 133.695500] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 133.702296] Backtrace: # [ 133.705033] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 133.712877] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 133.718817] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 133.726406] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 133.733643] r9:00000009 r8:c08759cc r7:0000001f r6:00000009 r5:c08759cc r4:c1a29f2c # [ 133.741663] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 133.749417] r7:0000001f r6:c1a29f2c r5:c1a29f90 r4:c6b24000 # [ 133.755354] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 133.764587] r9:c1ad5f40 r8:c15ebd54 r7:c6b25f60 r6:00000017 r5:c6cd0000 r4:c6b24000 # [ 133.772612] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 133.782543] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 133.792996] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.802483] r4:00000036 # [ 133.805291] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.813576] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.821767] r9:c6b25f60 r8:c3021900 r7:00000017 r6:b6e07000 r5:c6a39180 r4:c0c58704 # [ 133.829792] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 133.837898] r9:c07e2030 r8:c6b25f60 r7:c290d000 r6:b6e07000 r5:c6a39180 r4:00000000 # [ 133.845918] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.853328] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6b24000 r5:c6a39180 # [ 133.861425] r4:c6a39180 # [ 133.864233] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.871643] r9:c6b24000 r8:c03002e4 r7:00000004 r6:b6f4ee00 r5:00000017 r4:00000017 # [ 133.879663] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.887502] Exception stack(0xc6b25fa8 to 0xc6b25ff0) # [ 133.892829] 5fa0: 00000017 00000017 00000001 b6e07000 00000017 00000000 # [ 133.901282] 5fc0: 00000017 00000017 b6f4ee00 00000004 00000001 00000000 00020000 beb53ac4 # [ 133.909730] 5fe0: 00000004 beb537f8 b6eb8d8f b6e3f7e6 # [ 133.915128] irq event stamp: 0 # [ 133.918467] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.924363] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 133.932205] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 133.940016] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.945870] ---[ end trace 17b6be55efc73dc0 ]--- # [ 1<6>[ 134.424088] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 33.950822] lkdtm: Saturation dete<6>[ 134.430905] lkdtm: attempting bad refcount_dec() from saturated cted: still saturated # REFCOUNT<4>[ 134.440039] ------------[ cut here ]------------ _DEC_SATURATED: saw 'Saturation d<4>[ 134.447706] WARNING: CPU: 2 PID: 3065 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 etected: still saturated': ok ok<4>[ 134.459286] refcount_t: saturated; leaking memory. 53 selftests: lkdtm: REFCOUNT_DE<4>[ 134.467159] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 C_SATURATED.sh # selftests: lkdt<4>[ 134.499153] CPU: 2 PID: 3065 Comm: cat Tainted: G D W 5.10.210-cip44 #1 m: REFCOUNT_A_[S A T1U3R4A.T09967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ED.sh <4>[ 134.518663] Backtrace: <4>[ 134.521988] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 134.529831] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 134.535762] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 134.543350] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 134.550583] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c <4>[ 134.558597] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 134.566347] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c6af4000 <4>[ 134.572281] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 134.581510] r9:c1ad5f58 r8:c15ebd54 r7:c6af5f60 r6:00000017 r5:c6cd0000 r4:c6af4000 <4>[ 134.589529] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 134.599461] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 134.609908] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 134.619391] r4:00000037 <4>[ 134.622195] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 134.630476] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 134.638664] r9:c6af5f60 r8:c3021900 r7:00000017 r6:b6df5000 r5:c6a39900 r4:c0c58704 <4>[ 134.646684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 134.654785] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6df5000 r5:c6a39900 r4:00000000 <4>[ 134.662799] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 134.670205] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6af4000 r5:c6a39900 <4>[ 134.678298] r4:c6a39900 <4>[ 134.681103] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 134.688507] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000017 r4:00000017 <4>[ 134.696522] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 134.704357] Exception stack(0xc6af5fa8 to 0xc6af5ff0) <4>[ 134.709682] 5fa0: 00000017 00000017 00000001 b6df5000 00000017 00000000 <4>[ 134.718130] 5fc0: 00000017 00000017 b6f3ce00 00000004 00000001 00000000 00020000 be970ac4 <4>[ 134.726576] 5fe0: 00000004 be9707f8 b6ea6d8f b6e2d7e6 <4>[ 134.731944] irq event stamp: 0 <4>[ 134.735278] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 134.741154] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 134.748917] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 134.756741] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 134.762637] ---[ end trace 17b6be55efc73dc1 ]--- <6>[ 134.767530] lkdtm: Saturation detected: still saturated # [ 134.424088] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 134.430905] lkdtm: attempting bad refcount_dec() from saturated # [ 134.440039] ------------[ cut here ]------------ # [ 134.447706] WARNING: CPU: 2 PID: 3065 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 134.459286] refcount_t: saturated; leaking memory. # [ 134.467159] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 134.499153] CPU: 2 PID: 3065 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 134.509967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 134.518663] Backtrace: # [ 134.521988] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 134.529831] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 134.535762] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 134.543350] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 134.550583] r9:00000009 r8:c0875a34 r7:00000016 r6:00000009 r5:c0875a34 r4:c1a29f2c # [ 134.558597] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 134.566347] r7:00000016 r6:c1a29f2c r5:c1a29f04 r4:c6af4000 # [ 134.572281] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 134.581510] r9:c1ad5f58 r8:c15ebd54 r7:c6af5f60 r6:00000017 r5:c6cd0000 r4:c6af4000 # [ 134.589529] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 134.599461] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 134.609908] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 134.619391] r4:00000037 # [ 134.622195] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 134.630476] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 134.638664] r9:c6af5f60 r8:c3021900 r7:00000017 r6:b6df5000 r5:c6a39900 r4:c0c58704 # [ 134.646684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 134.654785] r9:c07e2030 r8:c6af5f60 r7:c290d000 r6:b6df5000 r5:c6a39900 r4:00000000 # [ 134.662799] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 134.670205] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6af4000 r5:c6a39900 # [ 134.678298] r4:c6a39900 # [ 134.681103] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 134.688507] r9:c6af4000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000017 r4:00000017 # [ 134.696522] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 134.704357] Exception stack(0xc6af5fa8 to 0xc6af5ff0) # [ 134.709682] 5fa0: 00000017 00000017 00000001 b6df5000 00000017 00000000 # [ 134.718130] 5fc0: 00000017 00000017 b6f3ce00 00000004 00000001 00000000 00020000 be970ac4 # [ 134.726576] 5fe0: 00000004 be9707f8 b6ea6d8f b6e2d7e6 # [ 134.731944] irq event stamp: 0 # [ 134.735278] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 134.741154] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 134.748917] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 134.756741] softirqs last disabled at (0): [<00000000>] 0x0 # [ 134.762637] ---[ end trace 17b6be55efc73dc1 ]--- # [ 134.767530] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh <6>[ 135.227918] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 135.235194] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 135.242234] ------------[ cut here ]------------ <4>[ 135.247145] WARNING: CPU: 2 PID: 3098 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 135.255993] refcount_t: saturated; leaking memory. <4>[ 135.261104] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 135.290538] CPU: 2 PID: 3098 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 135.298549] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 135.305343] Backtrace: <4>[ 135.308073] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 135.315913] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 135.321847] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 135.329431] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 135.336663] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c <4>[ 135.344677] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 135.352428] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c5f94000 <4>[ 135.358360] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 135.367588] r9:c1ad5f70 r8:c15ebd54 r7:c5f95f60 r6:00000020 r5:c427c000 r4:c0000000 <4>[ 135.375607] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 135.386315] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 135.398316] r5:c427c000 r4:c5f94000 <4>[ 135.402168] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 135.412432] r4:00000038 <4>[ 135.415237] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 135.423516] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 135.431702] r9:c5f95f60 r8:c3021900 r7:00000020 r6:b6e48000 r5:c6a38dc0 r4:c0c58704 <4>[ 135.439722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 135.447822] r9:c07e2030 r8:c5f95f60 r7:c290d000 r6:b6e48000 r5:c6a38dc0 r4:00000000 <4>[ 135.455835] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 135.463241] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c5f94000 r5:c6a38dc0 <4>[ 135.471334] r4:c6a38dc0 <4>[ 135.474138] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 135.481544] r9:c5f94000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000020 r4:00000020 <4>[ 135.489560] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 135.497397] Exception stack(0xc5f95fa8 to 0xc5f95ff0) <4>[ 135.502718] 5fa0: 00000020 00000020 00000001 b6e48000 00000020 00000000 <4>[ 135.511166] 5fc0: 00000020 00000020 b6f8fe00 00000004 00000001 00000000 00020000 bed2bac4 <4>[ 135.519612] 5fe0: 00000004 bed2b7f8 b6ef9d8f b6e807e6 <4>[ 135.524985] irq event stamp: 0 <4>[ 135.528317] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 135.534193] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 135.541985] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 135.549783] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 135.555635] ---[ end trace 17b6be55efc73dc2 ]--- <6>[ 135.560587] lkdtm: Saturation detected: still saturated # [ 135.227918] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 135.235194] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 135.242234] ------------[ cut here ]------------ # [ 135.247145] WARNING: CPU: 2 PID: 3098 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 135.255993] refcount_t: saturated; leaking memory. # [ 135.261104] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 135.290538] CPU: 2 PID: 3098 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 135.298549] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 135.305343] Backtrace: # [ 135.308073] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 135.315913] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 135.321847] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 135.329431] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 135.336663] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c # [ 135.344677] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 135.352428] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c5f94000 # [ 135.358360] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 135.367588] r9:c1ad5f70 r8:c15ebd54 r7:c5f95f60 r6:00000020 r5:c427c000 r4:c0000000 # [ 135.375607] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 135.386315] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 135.398316] r5:c427c000 r4:c5f94000 # [ 135.402168] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 135.412432] r4:00000038 # [ 135.415237] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 135.423516] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 135.431702] r9:c5f95f60 r8:c3021900 r7:00000020 r6:b6e48000 r5:c6a38dc0 r4:c0c58704 # [ 135.439722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 135.447822] r9:c07e2030 r8:c5f95f60 r7:c290d000 r6:b6e48000 r5:c6a38dc0 r4:00000000 # [ 135.455835] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.463241] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c5f94000 r5:c6a38dc0 # [ 135.471334] r4:c6a38dc0 # [ 135.474138] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.481544] r9:c5f94000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000020 r4:00000020 # [ 135.489560] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.497397] Exception stack(0xc5f95fa8 to 0xc5f95ff0) # [ 135.502718] 5fa0: 00000020 00000020 00000001 b6e48000 00000020 00000000 # [ 135.511166] 5fc0: 00000020 00000020 b6f8fe00 00000004 00000001 00000000 00020000 bed2bac4 # [ 135.519612] 5fe0: 00000004 bed2b7f8 b6ef9d8f b6e807e6 # [ 135.524985] irq event stamp: 0 # [ 135.528317] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 135.534193] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 135.541985] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 135.549783] softirqs last disabled at (0): [<00000000>] 0x0 # [ 135.555635] ---[ end trace 17b6be55efc73dc2 ]--- # [ 135.560587] 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>[ 136.028646] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 136.035871] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 136.042992] ------------[ cut here ]------------ <4>[ 136.047928] WARNING: CPU: 1 PID: 3133 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 136.056682] refcount_t: saturated; leaking memory. <4>[ 136.061773] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 136.091200] CPU: 1 PID: 3133 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 136.099213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 136.106006] Backtrace: <4>[ 136.108735] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 136.116574] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 136.122508] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 136.130093] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 136.137325] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c <4>[ 136.145340] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 136.153091] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c5f66000 <4>[ 136.159022] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 136.168250] r9:c1ad5f90 r8:c15ebd54 r7:c5f67f60 r6:00000020 r5:c6c9f000 r4:c0000000 <4>[ 136.176269] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 136.186978] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 136.198981] r5:c6c9f000 r4:c5f66000 <4>[ 136.202832] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 136.213097] r4:00000039 <4>[ 136.215901] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 136.224180] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 136.232366] r9:c5f67f60 r8:c3021900 r7:00000020 r6:b6dcf000 r5:c685ac80 r4:c0c58704 <4>[ 136.240386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 136.248486] r9:c07e2030 r8:c5f67f60 r7:c290d000 r6:b6dcf000 r5:c685ac80 r4:00000000 <4>[ 136.256501] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 136.263906] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c5f66000 r5:c685ac80 <4>[ 136.271999] r4:c685ac80 <4>[ 136.274804] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 136.282210] r9:c5f66000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000020 r4:00000020 <4>[ 136.290225] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 136.298060] Exception stack(0xc5f67fa8 to 0xc5f67ff0) <4>[ 136.303381] 7fa0: 00000020 00000020 00000001 b6dcf000 00000020 00000000 <4>[ 136.311829] 7fc0: 00000020 00000020 b6f16e00 00000004 00000001 00000000 00020000 beb88ac4 <4>[ 136.320275] 7fe0: 00000004 beb887f8 b6e80d8f b6e077e6 <4>[ 136.325664] irq event stamp: 0 <4>[ 136.329022] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 136.334872] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 136.342677] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 136.350476] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 136.356325] ---[ end trace 17b6be55efc73dc3 ]--- <6>[ 136.361268] lkdtm: Saturation detected: still saturated # [ 136.028646] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 136.035871] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 136.042992] ------------[ cut here ]------------ # [ 136.047928] WARNING: CPU: 1 PID: 3133 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 136.056682] refcount_t: saturated; leaking memory. # [ 136.061773] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 136.091200] CPU: 1 PID: 3133 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 136.099213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.106006] Backtrace: # [ 136.108735] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.116574] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 136.122508] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.130093] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 136.137325] r9:00000009 r8:c0875a00 r7:00000013 r6:00000009 r5:c0875a00 r4:c1a29f2c # [ 136.145340] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.153091] r7:00000013 r6:c1a29f2c r5:c1a29f04 r4:c5f66000 # [ 136.159022] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 136.168250] r9:c1ad5f90 r8:c15ebd54 r7:c5f67f60 r6:00000020 r5:c6c9f000 r4:c0000000 # [ 136.176269] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 136.186978] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 136.198981] r5:c6c9f000 r4:c5f66000 # [ 136.202832] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.213097] r4:00000039 # [ 136.215901] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.224180] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.232366] r9:c5f67f60 r8:c3021900 r7:00000020 r6:b6dcf000 r5:c685ac80 r4:c0c58704 # [ 136.240386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 136.248486] r9:c07e2030 r8:c5f67f60 r7:c290d000 r6:b6dcf000 r5:c685ac80 r4:00000000 # [ 136.256501] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 136.263906] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c5f66000 r5:c685ac80 # [ 136.271999] r4:c685ac80 # [ 136.274804] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 136.282210] r9:c5f66000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000020 r4:00000020 # [ 136.290225] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 136.298060] Exception stack(0xc5f67fa8 to 0xc5f67ff0) # [ 136.303381] 7fa0: 00000020 00000020 00000001 b6dcf000 00000020 00000000 # [ 136.311829] 7fc0: 00000020 00000020 b6f16e00 00000004 00000001 00000000 00020000 beb88ac4 # [ 136.320275] 7fe0: 00000004 beb887f8 b6e80d8f b6e077e6 # [ 136.325664] irq event stamp: 0 # [ 136.329022] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 136.334872] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 136.342677] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 136.350476] softirqs last disabled at (0): [<00000000>] 0x0 # [ 136.356325] ---[ end trace 17b6be55efc73dc3 ]--- # [ 136.361268] 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>[ 136.842782] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 136.850004] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 136.856982] ------------[ cut here ]------------ <4>[ 136.862011] WARNING: CPU: 1 PID: 3171 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 136.870882] refcount_t: underflow; use-after-free. <4>[ 136.875946] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 136.905427] CPU: 1 PID: 3171 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 136.913439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 136.920233] Backtrace: <4>[ 136.922963] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 136.930805] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 136.936738] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 136.944324] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 136.951556] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c <4>[ 136.959570] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 136.967321] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6a5a000 <4>[ 136.973256] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 136.982570] r9:c1ad5fb0 r8:c15ebd54 r7:c6a5bf60 r6:00000020 r5:c6c9f000 r4:c6a5a000 <4>[ 136.990589] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 137.001301] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 137.013310] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 137.023575] r4:0000003a <4>[ 137.026382] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 137.034661] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 137.042849] r9:c6a5bf60 r8:c3021900 r7:00000020 r6:b6e15000 r5:c4290b40 r4:c0c58704 <4>[ 137.050868] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 137.058968] r9:c07e2030 r8:c6a5bf60 r7:c290d000 r6:b6e15000 r5:c4290b40 r4:00000000 <4>[ 137.066981] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 137.074386] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c6a5a000 r5:c4290b40 <4>[ 137.082480] r4:c4290b40 <4>[ 137.085285] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 137.092690] r9:c6a5a000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020 <4>[ 137.100705] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 137.108541] Exception stack(0xc6a5bfa8 to 0xc6a5bff0) <4>[ 137.113866] bfa0: 00000020 00000020 00000001 b6e15000 00000020 00000000 <4>[ 137.122312] bfc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 be826ac4 <4>[ 137.130757] bfe0: 00000004 be8267f8 b6ec6d8f b6e4d7e6 <4>[ 137.136142] irq event stamp: 0 <4>[ 137.139496] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 137.145349] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 137.153143] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 137.160938] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 137.166787] ---[ end trace 17b6be55efc73dc4 ]--- <6>[ 137.171712] lkdtm: Saturation detected: still saturated # [ 136.842782] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 136.850004] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 136.856982] ------------[ cut here ]------------ # [ 136.862011] WARNING: CPU: 1 PID: 3171 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 136.870882] refcount_t: underflow; use-after-free. # [ 136.875946] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 136.905427] CPU: 1 PID: 3171 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 136.913439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.920233] Backtrace: # [ 136.922963] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.930805] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 136.936738] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.944324] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 136.951556] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c # [ 136.959570] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.967321] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6a5a000 # [ 136.973256] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 136.982570] r9:c1ad5fb0 r8:c15ebd54 r7:c6a5bf60 r6:00000020 r5:c6c9f000 r4:c6a5a000 # [ 136.990589] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 137.001301] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 137.013310] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.023575] r4:0000003a # [ 137.026382] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.034661] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.042849] r9:c6a5bf60 r8:c3021900 r7:00000020 r6:b6e15000 r5:c4290b40 r4:c0c58704 # [ 137.050868] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 137.058968] r9:c07e2030 r8:c6a5bf60 r7:c290d000 r6:b6e15000 r5:c4290b40 r4:00000000 # [ 137.066981] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.074386] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c6a5a000 r5:c4290b40 # [ 137.082480] r4:c4290b40 # [ 137.085285] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.092690] r9:c6a5a000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020 # [ 137.100705] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.108541] Exception stack(0xc6a5bfa8 to 0xc6a5bff0) # [ 137.113866] bfa0: 00000020 00000020 00000001 b6e15000 00000020 00000000 # [ 137.122312] bfc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 be826ac4 # [ 137.130757] bfe0: 00000004 be8267f8 b6ec6d8f b6e4d7e6 # [ 137.136142] irq event stamp: 0 # [ 137.139496] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 137.145349] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 137.153143] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 137.160938] softirqs last disabled at (0): [<00000000>] 0x0 # [ 137.166787] ---[ end trace 17b6be55efc73dc4 ]--- # [ 137.171712] 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>[ 137.651879] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 137.659101] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 137.666081] ------------[ cut here ]------------ <4>[ 137.671154] WARNING: CPU: 3 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 137.680014] refcount_t: underflow; use-after-free. <4>[ 137.685078] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 137.714499] CPU: 3 PID: 3207 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 137.722511] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 137.729305] Backtrace: <4>[ 137.732035] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 137.739876] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 137.745810] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 137.753393] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 137.760625] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c <4>[ 137.768638] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 137.776387] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6aec000 <4>[ 137.782319] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 137.791634] r9:c1ad5fd0 r8:c15ebd54 r7:c6aedf60 r6:00000020 r5:c5f79000 r4:c6aec000 <4>[ 137.799653] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 137.810366] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 137.822375] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 137.832640] r4:0000003b <4>[ 137.835444] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 137.843724] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 137.851910] r9:c6aedf60 r8:c3021900 r7:00000020 r6:b6e51000 r5:c5f3f180 r4:c0c58704 <4>[ 137.859929] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 137.868029] r9:c07e2030 r8:c6aedf60 r7:c290d000 r6:b6e51000 r5:c5f3f180 r4:00000000 <4>[ 137.876043] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 137.883449] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6aec000 r5:c5f3f180 <4>[ 137.891542] r4:c5f3f180 <4>[ 137.894347] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 137.901753] r9:c6aec000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:00000020 r4:00000020 <4>[ 137.909769] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 137.917605] Exception stack(0xc6aedfa8 to 0xc6aedff0) <4>[ 137.922927] dfa0: 00000020 00000020 00000001 b6e51000 00000020 00000000 <4>[ 137.931377] dfc0: 00000020 00000020 b6f98e00 00000004 00000001 00000000 00020000 beac2ac4 <4>[ 137.939822] dfe0: 00000004 beac27f8 b6f02d8f b6e897e6 <4>[ 137.945195] irq event stamp: 0 <4>[ 137.948528] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 137.954409] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 137.962221] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 137.970022] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 137.975887] ---[ end trace 17b6be55efc73dc5 ]--- <6>[ 137.980807] lkdtm: Saturation detected: still saturated # [ 137.651879] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 137.659101] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 137.666081] ------------[ cut here ]------------ # [ 137.671154] WARNING: CPU: 3 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 137.680014] refcount_t: underflow; use-after-free. # [ 137.685078] 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 ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 137.714499] CPU: 3 PID: 3207 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 137.722511] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 137.729305] Backtrace: # [ 137.732035] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 137.739876] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 137.745810] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 137.753393] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 137.760625] r9:00000009 r8:c0875a9c r7:0000001c r6:00000009 r5:c0875a9c r4:c1a29f2c # [ 137.768638] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 137.776387] r7:0000001c r6:c1a29f2c r5:c1a29f68 r4:c6aec000 # [ 137.782319] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 137.791634] r9:c1ad5fd0 r8:c15ebd54 r7:c6aedf60 r6:00000020 r5:c5f79000 r4:c6aec000 # [ 137.799653] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 137.810366] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 137.822375] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.832640] r4:0000003b # [ 137.835444] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.843724] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.851910] r9:c6aedf60 r8:c3021900 r7:00000020 r6:b6e51000 r5:c5f3f180 r4:c0c58704 # [ 137.859929] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 137.868029] r9:c07e2030 r8:c6aedf60 r7:c290d000 r6:b6e51000 r5:c5f3f180 r4:00000000 # [ 137.876043] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.883449] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6aec000 r5:c5f3f180 # [ 137.891542] r4:c5f3f180 # [ 137.894347] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.901753] r9:c6aec000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:00000020 r4:00000020 # [ 137.909769] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.917605] Exception stack(0xc6aedfa8 to 0xc6aedff0) # [ 137.922927] dfa0: 00000020 00000020 00000001 b6e51000 00000020 00000000 # [ 137.931377] dfc0: 00000020 00000020 b6f98e00 00000004 00000001 00000000 00020000 beac2ac4 # [ 137.939822] dfe0: 00000004 beac27f8 b6f02d8f b6e897e6 # [ 137.945195] irq event stamp: 0 # [ 137.948528] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 137.954409] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 137.962221] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 137.970022] softirqs last disabled at (0): [<00000000>] 0x0 # [ 137.975887] ---[ end trace 17b6be55efc73dc5 ]--- # [ 137.980807] 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>[ 138.804749] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 138.811117] lkdtm: attempting good copy_to_user of correct size <6>[ 138.817338] lkdtm: attempting bad copy_to_user of too large size # [ 138.804749] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 138.811117] lkdtm: attempting good copy_to_user of correct size # [ 138.817338] 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>[ 139.254434] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 139.260966] lkdtm: attempting good copy_from_user of correct size <6>[ 139.267358] lkdtm: attempting bad copy_from_user of too large size # [ 139.254434] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 139.260966] lkdtm: attempting good copy_from_user of correct size # [ 139.267358] 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>[ 139.707712] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 139.714549] lkdtm: attempting good copy_to_user inside whitelist <6>[ 139.721054] lkdtm: attempting bad copy_to_user outside whitelist # [ 139.707712] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 139.714549] lkdtm: attempting good copy_to_user inside whitelist # [ 139.721054] 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>[ 140.162813] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 140.169786] lkdtm: attempting good copy_from_user inside whitelist <6>[ 140.176257] lkdtm: attempting bad copy_from_user outside whitelist # [ 140.162813] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 140.169786] lkdtm: attempting good copy_from_user inside whitelist # [ 140.176257] 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>[ 140.622382] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 140.628854] lkdtm: good_stack: c6debe0c-c6debe2c <6>[ 140.633815] lkdtm: bad_stack : c6debd84-c6debda4 <6>[ 140.638725] lkdtm: attempting good copy_to_user of local stack <6>[ 140.645041] lkdtm: attempting bad copy_to_user of distant stack # [ 140.622382] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 140.628854] lkdtm: good_stack: c6debe0c-c6debe2c # [ 140.633815] lkdtm: bad_stack : c6debd84-c6debda4 # [ 140.638725] lkdtm: attempting good copy_to_user of local stack # [ 140.645041] 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>[ 141.086966] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 141.093661] lkdtm: good_stack: c4293e0c-c4293e2c <6>[ 141.098556] lkdtm: bad_stack : c4293d84-c4293da4 <6>[ 141.103574] lkdtm: attempting good copy_from_user of local stack <6>[ 141.109937] lkdtm: attempting bad copy_from_user of distant stack # [ 141.086966] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 141.093661] lkdtm: good_stack: c4293e0c-c4293e2c # [ 141.098556] lkdtm: bad_stack : c4293d84-c4293da4 # [ 141.103574] lkdtm: attempting good copy_from_user of local stack # [ 141.109937] 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>[ 141.551110] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 141.557407] lkdtm: good_stack: c6af5e0c-c6af5e2c <6>[ 141.562362] lkdtm: bad_stack : c6af5ffc-c6af601c <6>[ 141.567272] lkdtm: attempting good copy_to_user of local stack <6>[ 141.573492] lkdtm: attempting bad copy_to_user of distant stack # [ 141.551110] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 141.557407] lkdtm: good_stack: c6af5e0c-c6af5e2c # [ 141.562362] lkdtm: bad_stack : c6af5ffc-c6af601c # [ 141.567272] lkdtm: attempting good copy_to_user of local stack # [ 141.573492] 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>[ 142.005279] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 142.011249] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000 <6>[ 142.018642] lkdtm: attempting bad copy_to_user from kernel text: c053dd0c <3>[ 142.025783] lkdtm: FAIL: survived bad copy_to_user() # [ 142.005279] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 142.011249] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000 # [ 142.018642] lkdtm: attempting bad copy_to_user from kernel text: c053dd0c # [ 142.025783] 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>[ 142.481779] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 142.487728] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 142.495092] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 142.502300] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 142.508590] CPU: 3 PID: 3583 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 142.516603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 142.523406] Backtrace: <4>[ 142.526180] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 142.534045] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 142.540007] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 142.547628] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 142.556450] r9:c1ad60d8 r8:c15ebd54 r7:c6a57f60 r6:c6a57e34 r5:c6a56000 r4:0000078d <4>[ 142.564496] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 142.573576] r8:c15ebd54 r7:c6a57f60 r6:00000012 r5:c69e0000 r4:00000046 <4>[ 142.580573] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 142.588883] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 142.597094] r9:c6a57f60 r8:c3021900 r7:00000012 r6:b6e20000 r5:c43377c0 r4:c0c58704 <4>[ 142.605147] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 142.613272] r9:c07e2030 r8:c6a57f60 r7:c290d000 r6:b6e20000 r5:c43377c0 r4:00000000 <4>[ 142.621312] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 142.628741] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6a56000 r5:c43377c0 <4>[ 142.636851] r4:c43377c0 <4>[ 142.639682] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 142.647113] r9:c6a56000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000012 r4:00000012 <4>[ 142.655155] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 142.663011] Exception stack(0xc6a57fa8 to 0xc6a57ff0) <4>[ 142.668356] 7fa0: 00000012 00000012 00000001 b6e20000 00000012 00000000 <4>[ 142.676829] 7fc0: 00000012 00000012 b6f67e00 00000004 00000001 00000000 00020000 be817ac4 <4>[ 142.685295] 7fe0: 00000004 be8177f8 b6ed1d8f b6e587e6 # [ 142.481779] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 142.487728] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 142.495092] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 142.502300] lkdtm: FAIL: the thread stack is NOT properly erased # [ 142.508590] CPU: 3 PID: 3583 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 142.516603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 142.523406] Backtrace: # [ 142.526180] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 142.534045] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 142.540007] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 142.547628] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 142.556450] r9:c1ad60d8 r8:c15ebd54 r7:c6a57f60 r6:c6a57e34 r5:c6a56000 r4:0000078d # [ 142.564496] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 142.573576] r8:c15ebd54 r7:c6a57f60 r6:00000012 r5:c69e0000 r4:00000046 # [ 142.580573] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 142.588883] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 142.597094] r9:c6a57f60 r8:c3021900 r7:00000012 r6:b6e20000 r5:c43377c0 r4:c0c58704 # [ 142.605147] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 142.613272] r9:c07e2030 r8:c6a57f60 r7:c290d000 r6:b6e20000 r5:c43377c0 r4:00000000 # [ 142.621312] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 142.628741] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6a56000 r5:c43377c0 # [ 142.636851] r4:c43377c0 # [ 142.639682] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 142.647113] r9:c6a56000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000012 r4:00000012 # [ 142.655155] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 142.663011] Exception stack(0xc6a57fa8 to 0xc6a57ff0) # [ 142.668356] 7fa0: 00000012 00000012 00000001 b6e20000 00000012 00000000 # [ 142.676829] 7fc0: 00000012 00000012 b6f67e00 00000004 00000001 00000000 00020000 be817ac4 # [ 142.685295] 7fe0: 00000004 be8177f8 b6ed1d8f b6e587e6 # 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>[ 143.147152] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 143.153148] lkdtm: Calling matched prototype ... <6>[ 143.158042] lkdtm: Calling mismatched prototype ... <6>[ 143.163332] lkdtm: Fail: survived mismatched prototype function call! # [ 143.147152] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 143.153148] lkdtm: Calling matched prototype ... # [ 143.158042] lkdtm: Calling mismatched prototype ... # [ 143.163332] 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-12837732/0/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 / #