[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 192.168.201.36 (13 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 14191701/tftp-deploy-d_qie6wd/kernel/zImage tftp 0x10000000 14191701/tftp-deploy-d_qie6wd/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '14191701/tftp-deploy-d_qie6wd/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 5.8 MiB/s done Bytes transferred = 12562944 (bfb200 hex) => tftp 0x14000000 14191701/tftp-deploy-d_qie6wd/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 14191701/tftp-deploy-d_qie6wd/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '14191701/tftp-deploy-d_qie6wd/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################################################## 14.2 MiB/s done Bytes transferred = 16104371 (f5bbb3 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 14191701/tftp-deploy-d_qie6wd/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 14191701/tftp-deploy-d_qie6wd/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '14191701/tftp-deploy-d_qie6wd/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14191701/extract-nfsrootfs-s5iujjch,tcp,hard,v3 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/14191701/extract-nfsrootfs-s5iujjch,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbfb200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 16104307 Bytes = 15.4 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 5.10.218-cip49 (KernelCI@build-j218896-arm-gcc-10-multi-v7-defconfig-kselftest-wx6h4) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 5 23:57:19 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/14191701/extract-nfsrootfs-s5iujjch,tcp,hard,v3 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: 920728K/1048576K available (17408K kernel code, 2714K rwdata, 8152K rodata, 2048K init, 6693K bss, 62312K 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 56170 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>[ 0.008446] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022935] Console: colour dummy device 80x30 <4>[ 0.024840] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032852] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037195] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041605] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046241] ... CLASSHASH_SIZE: 4096 <4>[ 0.050827] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055549] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060223] ... CHAINHASH_SIZE: 32768 <4>[ 0.064920] memory used by lock dependency info: 4061 kB <4>[ 0.070601] memory used for stack traces: 2112 kB <4>[ 0.075645] per task-struct memory footprint: 1536 bytes <6>[ 0.081336] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091748] CPU: Testing write buffer coherency: ok <6>[ 0.096890] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102160] pid_max: default: 32768 minimum: 301 <6>[ 0.107360] LSM: Security Framework initializing <6>[ 0.111980] LSM support for eBPF active <6>[ 0.116135] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123580] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135014] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141514] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147892] rcu: Hierarchical SRCU implementation. <6>[ 0.159247] EFI services will not be available. <6>[ 0.162304] smp: Bringing up secondary CPUs ... <6>[ 0.168845] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168860] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180613] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180627] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192055] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192069] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201104] smp: Brought up 1 node, 4 CPUs <6>[ 0.204816] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211353] CPU: All CPU(s) started in SVC mode. <6>[ 0.218607] devtmpfs: initialized <6>[ 0.267759] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.275187] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.283115] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.294841] pinctrl core: initialized pinctrl subsystem <6>[ 0.303851] DMI not present or invalid. <6>[ 0.307307] NET: Registered protocol family 16 <6>[ 0.319453] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.332222] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.332718] cpuidle: using governor menu <6>[ 0.340797] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.980259] vdd1p1: supplied by regulator-dummy <6>[ 1.009270] vdd3p0: supplied by regulator-dummy <6>[ 1.037868] vdd2p5: supplied by regulator-dummy <6>[ 1.066506] vddarm: supplied by regulator-dummy <6>[ 1.095904] vddpu: supplied by regulator-dummy <6>[ 1.123710] vddsoc: supplied by regulator-dummy <6>[ 2.262044] No ATAGs? <6>[ 2.262850] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.270084] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.292700] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.321717] Serial: AMBA PL011 UART driver <6>[ 2.378757] Kprobes globally optimized <6>[ 2.482035] iommu: Default domain type: Translated <6>[ 2.486519] vgaarb: loaded <5>[ 2.491488] SCSI subsystem initialized <6>[ 2.494915] usbcore: registered new interface driver usbfs <6>[ 2.498744] usbcore: registered new interface driver hub <6>[ 2.504168] usbcore: registered new device driver usb <6>[ 2.516181] i2c i2c-0: IMX I2C adapter registered <6>[ 2.524284] i2c i2c-1: IMX I2C adapter registered <6>[ 2.530526] i2c i2c-2: IMX I2C adapter registered <6>[ 2.536725] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.539122] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.548625] PTP clock support registered <6>[ 2.569324] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.335751] NET: Registered protocol family 2 <6>[ 4.338270] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.348233] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.354335] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.362345] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.371230] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.377320] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.384243] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.391006] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.398730] NET: Registered protocol family 1 <6>[ 4.405231] RPC: Registered named UNIX socket transport module. <6>[ 4.408843] RPC: Registered udp transport module. <6>[ 4.413898] RPC: Registered tcp transport module. <6>[ 4.418750] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.425537] NET: Registered protocol family 44 <6>[ 4.430230] PCI: CLS 0 bytes, default 64 <6>[ 4.436457] Trying to unpack rootfs image as initramfs... <6>[ 6.275732] Freeing initrd memory: 15728K <4>[ 6.278168] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.286087] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.301085] Initialise system trusted keyrings <6>[ 6.304042] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.352775] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.359308] NFS: Registering the id_resolver key type <5>[ 6.361939] Key type id_resolver registered <5>[ 6.366241] Key type id_legacy registered <6>[ 6.371073] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.377514] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.385319] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.391707] Key type asymmetric registered <5>[ 6.394148] Asymmetric key parser 'x509' registered <6>[ 6.399584] bounce: pool size: 64 pages <6>[ 6.403424] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.411060] io scheduler mq-deadline registered <6>[ 6.415736] io scheduler kyber registered <4>[ 6.420890] test_firmware: interface ready <6>[ 6.578253] mxs-dma 110000.dma-controller: initialized <4>[ 6.636804] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.644911] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.861969] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.883670] SuperH (H)SCI(F) driver initialized <6>[ 6.888275] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.899335] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.905785] printk: console [ttymxc1] enabled <6>[ 6.905785] printk: console [ttymxc1] enabled <6>[ 6.914676] printk: bootconsole [ec_imx21] disabled <6>[ 6.914676] printk: bootconsole [ec_imx21] disabled <6>[ 6.930685] msm_serial: driver initialized <6>[ 6.935987] STMicroelectronics ASC driver initialized <6>[ 6.947112] STM32 USART driver initialized <6>[ 6.971460] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.991358] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.999972] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.007854] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.057188] brd: module loaded <6>[ 7.102804] loop: module loaded <6>[ 7.109124] lkdtm: No crash points registered, enable through debugfs <6>[ 7.129637] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.137857] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.146214] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.154738] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.162997] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.171368] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.179451] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.190902] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.198186] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.207354] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.221486] scsi host0: ahci-imx <6>[ 7.227085] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.284900] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.298076] pps pps0: new PPS source ptp0 <6>[ 7.345812] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.356254] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.361561] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.367988] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.373720] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.398933] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.406808] usbcore: registered new interface driver pegasus <6>[ 7.412989] usbcore: registered new interface driver asix <6>[ 7.418828] usbcore: registered new interface driver ax88179_178a <6>[ 7.425385] usbcore: registered new interface driver cdc_ether <6>[ 7.431738] usbcore: registered new interface driver smsc75xx <6>[ 7.437956] usbcore: registered new interface driver smsc95xx <6>[ 7.444161] usbcore: registered new interface driver net1080 <6>[ 7.450293] usbcore: registered new interface driver cdc_subset <6>[ 7.456632] usbcore: registered new interface driver zaurus <6>[ 7.462766] usbcore: registered new interface driver cdc_ncm <6>[ 7.480048] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.486935] ehci-pci: EHCI PCI platform driver <6>[ 7.491849] ehci-platform: EHCI generic platform driver <6>[ 7.498242] ehci-orion: EHCI orion driver <6>[ 7.503438] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.508534] ehci-st: EHCI STMicroelectronics driver <6>[ 7.514507] ehci-exynos: EHCI Exynos driver <6>[ 7.519784] ehci-atmel: EHCI Atmel driver <6>[ 7.524841] tegra-ehci: Tegra EHCI driver <6>[ 7.529966] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.536499] ohci-pci: OHCI PCI platform driver <6>[ 7.541419] ohci-platform: OHCI generic platform driver <6>[ 7.547775] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.552864] ohci-st: OHCI STMicroelectronics driver <6>[ 7.558778] ohci-atmel: OHCI Atmel driver <6>[ 7.566921] usbcore: registered new interface driver usb-storage <6>[ 7.571457] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.579277] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.585841] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.602131] i2c /dev entries driver <6>[ 7.678286] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.684821] sdhci: Copyright(c) Pierre Ossman <6>[ 7.697936] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.710806] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.720275] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.725743] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.732044] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.739400] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.749157] usbcore: registered new interface driver usbhid <6>[ 7.755023] usbhid: USB HID core driver <6>[ 7.769547] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.781090] netem: version 1.3 <6>[ 7.782206] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.784709] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.799830] IPv4 over IPsec tunneling driver <6>[ 7.808832] NET: Registered protocol family 10 <6>[ 7.818888] Segment Routing with IPv6 <6>[ 7.819278] mmc2: new high speed SDHC card at address aaaa <6>[ 7.828645] NET: Registered protocol family 17 <6>[ 7.835094] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.837346] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <5>[ 7.840573] Key type dns_resolver registered <6>[ 7.862826] ThumbEE CPU extension supported. <5>[ 7.867429] Registering SWP/SWPB emulation handler <4>[ 7.867590] GPT:Primary header thinks Alt. header is not at the end of the disk. <5>[ 7.880305] Loading compiled-in X.509 certificates <4>[ 7.880430] GPT:7812499 != 31116287 <4>[ 7.889357] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.895663] GPT:7812499 != 31116287 <4>[ 7.899477] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.904970] mmcblk2: p1 p2 p3 <4>[ 8.039327] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.047825] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.060232] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.095599] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.110593] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.116074] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.149541] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.168650] hub 1-0:1.0: USB hub found <6>[ 8.173263] hub 1-0:1.0: 1 port detected <6>[ 8.188032] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.218208] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.226710] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.239103] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.266606] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.275160] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.287491] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.304373] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.333193] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.341661] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.354157] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.375825] 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>[ 8.519311] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.727423] hub 1-1:1.0: USB hub found <6>[ 8.732431] hub 1-1:1.0: 3 ports detected <4>[ 8.761311] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.769764] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.782347] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.521027] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.549647] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.579299] Sending DHCP requests ., OK <6>[ 11.623681] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.36 <6>[ 11.632076] IP-Config: Complete: <6>[ 11.635603] device=eth0, hwaddr=00:19:b8:08:f1:1c, ipaddr=192.168.201.36, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.646426] host=imx6q-sabrelite-lava-cbg-6, domain=lava-rack, nis-domain=(none) <6>[ 11.654604] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.654623] nameserver0=192.168.201.1 <6>[ 11.667271] clk: Disabling unused clocks <6>[ 11.718057] Freeing unused kernel memory: 2048K <6>[ 11.729782] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 16.691124] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 16.727214] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.735884] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.751963] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 16.775371] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.808566] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.818589] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.840489] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.846507] CAN device driver interface <6>[ 16.864012] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.873182] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.894182] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.903340] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.979724] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.988223] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.025523] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.075566] caam 2100000.crypto: Entropy delay = 3200 <6>[ 17.141910] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 17.202673] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 17.208134] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 17.215103] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 17.236597] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.254136] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.288808] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 17.302237] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 17.308760] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 17.311063] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <4>[ 17.320021] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 17.325082] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 17.348112] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 17.356711] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 17.363280] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 17.392330] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1 <6>[ 17.403516] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.412320] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.421135] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.429793] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.459645] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.468253] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.484951] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.542128] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.550910] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.559768] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.568436] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.151884] caam algorithms registered in /proc/crypto <6>[ 18.161934] caam 2100000.crypto: registering rng-caam <5>[ 18.290775] random: crng init done <4>[ 18.320068] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.328646] panel-simple panel-lcd: Specify missing connector_type <4>[ 18.341351] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.367816] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.376548] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.385505] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers <6>[ 18.394265] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:19:b8:08:f1:1c mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.36 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-6 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 20.294098] systemd[1]: System time before build time, advancing clock. <30>[ 20.750118] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 20.786592] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 20.846837] systemd[1]: Hostname set to . <30>[ 22.583173] systemd[1]: Queued start job for default target graphical.target. <30>[ 22.602398] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 22.657028] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 22.707136] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 22.755317] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 22.803706] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Started systemd-ask-passwo…quests to Console Directory Watch. <30>[ 22.852884] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Started systemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 22.901100] systemd[1]: proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc). <30>[ 22.922695] systemd[1]: Expecting device dev-ttymxc1.device - /dev/ttymxc1... Expecting device dev-ttymxc1.device - /dev/ttymxc1... <30>[ 22.959583] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 23.000390] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 23.050570] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 23.089937] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 23.130098] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 23.171327] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 23.211210] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 23.264268] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 23.362447] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 23.383031] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 23.436505] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 23.485921] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 23.539510] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 23.594771] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 23.643782] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). <30>[ 23.661609] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). <30>[ 23.688156] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 23.742009] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 23.796608] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 23.850243] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 23.899643] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 23.950044] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 23.999809] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 24.049697] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 24.101732] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <6>[ 24.132647] fuse: init (API version 7.32) <30>[ 24.160459] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 24.231218] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 24.279750] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 24.329746] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 24.390752] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 24.459904] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 24.501894] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 24.556021] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [ OK ] Finished kmod-static-nodes…reate List of Static Device Nodes. <30>[ 24.644738] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 24.655573] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 24.705018] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 24.715283] systemd[1]: Finished modprobe@dm_mod.service - Load Kernel Module dm_mod. [ OK ] Finished modprobe@dm_mod.s…e - Load Kernel Module dm_mod. <30>[ 24.765044] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 24.775068] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. <30>[ 24.825283] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 24.836138] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. <30>[ 24.881315] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@loop.service - Load Kernel Module loop. [ OK ] Finished systemd-modules-l…service - Load Kernel Modules. [ OK ] Finished systemd-network-g…rk units from Kernel command line. [ OK ] Finished systemd-remount-f…ount Root and Kernel File Systems. [ OK ] Reached target network-pre…get - Preparation for Network. Mounting sys-fs-fuse-conne… - FUSE Control File System... Mounting sys-kernel-config…ernel Configuration File System... Starting systemd-journal-f…h Journal to Persistent Storage... Starting systemd-random-se…ice - Load/Save Random Seed... Starting systemd-sysctl.se…ce - Apply Kernel Variables... <46>[ 25.380707] systemd-journald[299]: Received client request to flush runtime journal. Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-udevd.ser…ger for Device Events and Files... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. Starting systemd-tmpfiles-… Volatile Files and Directories... [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 27.500319] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 27.727921] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 27.737524] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 27.749940] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 27.759181] cfg80211: failed to load regulatory.db [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ OK ] Reached target time-set.target <46>[ 27.848883] systemd-journald[299]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation. - System Time Set. <46>[ 27.868166] systemd-journald[299]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating. [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Reached target network.target - Network. [* ] (1 of 2) Job dev-ttymxc1.device/start running (7s / 1min 30s) M [ OK ] Found device dev-ttymxc1.device - /dev/ttymxc1. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started apt-daily.timer - Daily apt download activities. [ OK ] Started apt-daily-upgrade.… apt upgrade and clean activities. [ OK ] Started dpkg-db-backup.tim… Daily dpkg database backup timer. [ OK ] Started e2scrub_all.timer…etadata Check for All Filesystems. [ OK ] Started fstrim.timer - Discard unused blocks once a week. [ OK ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories. [ OK ] Reached target timers.target - Timer Units. [ OK ] Reached target usb-gadget.…m - Hardware activated USB gadget. [ OK ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. [ OK ] Reached target basic.target - Basic System. Starting dbus.service - D-Bus System Message Bus... Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting systemd-logind.se…ice - User Login Management... Starting systemd-user-sess…vice - Permit User Sessions... [ OK ] Started dbus.service - D-Bus System Message Bus. [ OK ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started getty@tty1.service - Getty on tty1. [ OK ] Started serial-getty@ttymx…ice - Serial Getty on ttymxc1. [ OK ] Reached target getty.target - Login Prompts. [ OK ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Reached target multi-user.target - Multi-User System. [ OK ] Reached target graphical.target - Graphical Interface. Starting systemd-update-ut… Record Runlevel Change in UTMP... [ OK ] Finished systemd-update-ut… - Record Runlevel Change in UTMP. Debian GNU/Linux 12 debian-bookworm-armhf ttymxc1 debian-bookworm-armhf login: root (automatic login) Linux debian-bookworm-armhf 5.10.218-cip49 #1 SMP Wed Jun 5 23:57:19 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/14191701/extract-nfsrootfs-s5iujjch' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14191701/extract-nfsrootfs-s5iujjch' / # 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-14191701/environment . /lava-14191701/environment / # /lava-14191701/bin/lava-test-runner /lava-14191701/0 /lava-14191701/bin/lava-test-runner /lava-14191701/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14191701/0/tests/0_timesync-off ++ cat uuid + UUID=14191701_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-14191701/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14191701_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/v5.10.218-cip49/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 --2024-06-06 00:19:04-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49/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: 1409108 (1.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 3%[ ] 41.67K 160KB/s kselftest_armhf.tar 8%[> ] 121.34K 236KB/s kselftest_armhf.tar 14%[=> ] 194.87K 253KB/s kselftest_armhf.tar 19%[==> ] 274.99K 267KB/s kselftest_armhf.tar 25%[====> ] 356.07K 277KB/s kselftest_armhf.tar 32%[=====> ] 443.75K 287KB/s kselftest_armhf.tar 38%[======> ] 535.66K 297KB/s kselftest_armhf.tar 46%[========> ] 634.16K 308KB/s kselftest_armhf.tar 50%[=========> ] 689.31K 297KB/s kselftest_armhf.tar 54%[=========> ] 754.35K 292KB/s kselftest_armhf.tar 59%[==========> ] 821.30K 290KB/s kselftest_armhf.tar 62%[===========> ] 865.14K 283KB/s eta 2s kselftest_armhf.tar 66%[============> ] 916.04K 280KB/s eta 2s kselftest_armhf.tar 69%[============> ] 955.15K 274KB/s eta 2s kselftest_armhf.tar 71%[=============> ] 990.50K 265KB/s eta 2s kselftest_armhf.tar 75%[==============> ] 1.01M 262KB/s eta 2s kselftest_armhf.tar 78%[==============> ] 1.06M 259KB/s eta 1s kselftest_armhf.tar 81%[===============> ] 1.09M 255KB/s eta 1s kselftest_armhf.tar 84%[===============> ] 1.13M 258KB/s eta 1s kselftest_armhf.tar 87%[================> ] 1.18M 244KB/s eta 1s kselftest_armhf.tar 90%[=================> ] 1.22M 238KB/s eta 1s kselftest_armhf.tar 93%[=================> ] 1.26M 230KB/s eta 0s kselftest_armhf.tar 95%[==================> ] 1.29M 218KB/s eta 0s kselftest_armhf.tar 99%[==================> ] 1.33M 195KB/s eta 0s kselftest_armhf.tar 100%[===================>] 1.34M 196KB/s in 5.8s 2024-06-06 00:19:10 (237 KB/s) - 'kselftest_armhf.tar.gz' saved [1409108/1409108] 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>[ 62.801158] 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>[ 63.724736] lkdtm: Performing direct entry BUG <4>[ 63.729884] ------------[ cut here ]------------ <2>[ 63.734778] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 63.740274] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 63.745684] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 <4>[ 63.778100] CPU: 1 PID: 748 Comm: cat Not tainted 5.10.218-cip49 #1 <4>[ 63.784655] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.791484] PC is at lkdtm_BUG+0x14/0x18 <4>[ 63.795701] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 63.800431] pc : [] lr : [] psr: a0080013 <4>[ 63.806986] sp : c4329e58 ip : c4329e68 fp : c4329e64 <4>[ 63.812495] r10: 00000004 r9 : c1ad6f34 r8 : c15ec020 <4>[ 63.818005] r7 : c4329f60 r6 : 00000004 r5 : c6cda000 r4 : 00000001 <4>[ 63.824817] r3 : c0c594a8 r2 : 6f28d364 r1 : ef7965e0 r0 : c15ec028 <4>[ 63.831635] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 63.839056] Control: 10c5387d Table: 1401c04a DAC: 00000051 <0>[ 63.845091] Process cat (pid: 748, stack limit = 0xb1c1ea20) <0>[ 63.851038] Stack: (0xc4329e58 to 0xc432a000) <0>[ 63.855685] 9e40: c4329e74 c4329e68 <0>[ 63.864158] 9e60: c0c58f3c c0c594b4 c4329e9c c4329e78 c0c5943c c0c58f1c c0c5931c c69908c0 <0>[ 63.872631] 9e80: b6db4000 00000004 c5336480 c4329f60 c4329ec4 c4329ea0 c07e29dc c0c59328 <0>[ 63.881102] 9ea0: 00000000 c69908c0 b6db4000 c290d000 c4329f60 c07e2978 c4329f5c c4329ec8 <0>[ 63.889572] 9ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c4328000 <0>[ 63.898042] 9ee0: b6db4000 00020000 00000004 00000004 0001fffc c4329ee0 00000001 b6db3000 <0>[ 63.906511] 9f00: c6bcf400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 63.914981] 9f20: 00000000 00000000 c13e36b0 6f28d364 c206c220 c69908c0 c69908c0 c4328000 <0>[ 63.923452] 9f40: b6db4000 00000000 00000000 00000004 c4329f94 c4329f60 c059c9b0 c059c304 <0>[ 63.931923] 9f60: 00000000 00000000 c4329fac 6f28d364 00000004 00000004 7ff00000 00000004 <0>[ 63.940394] 9f80: c03002e4 c4328000 c4329fa4 c4329f98 c059ca40 c059c948 00000000 c4329fa8 <0>[ 63.948863] 9fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6db4000 00000004 00000001 <0>[ 63.957332] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6db4000 00020000 004bfe38 <0>[ 63.965801] 9fe0: 00000004 be87b7e8 b6e7a33b b6df3616 60080030 00000001 00000000 00000000 <0>[ 63.974257] Backtrace: <0>[ 63.977020] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 63.984892] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 63.993207] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 64.001421] r9:c4329f60 r8:c5336480 r7:00000004 r6:b6db4000 r5:c69908c0 r4:c0c5931c <0>[ 64.009473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 64.017600] r9:c07e2978 r8:c4329f60 r7:c290d000 r6:b6db4000 r5:c69908c0 r4:00000000 <0>[ 64.025640] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 64.033070] r10:00000004 r9:00000000 r8:00000000 r7:b6db4000 r6:c4328000 r5:c69908c0 <0>[ 64.041182] r4:c69908c0 <0>[ 64.044014] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 64.051445] r9:c4328000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <0>[ 64.059488] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 64.067340] Exception stack(0xc4329fa8 to 0xc4329ff0) <0>[ 64.072684] 9fa0: 00000004 00000004 00000001 b6db4000 00000004 00000001 <0>[ 64.081156] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6db4000 00020000 004bfe38 <0>[ 64.089620] 9fe0: 00000004 be87b7e8 b6e7a33b b6df3616 <0>[ 64.094966] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 64.101355] ---[ end trace 311b3a6134d5028b ]--- <3>[ 64.106265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 64.115427] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 748, name: cat <4>[ 64.123364] INFO: lockdep is turned off. <4>[ 64.127568] irq event stamp: 1686 <4>[ 64.131190] hardirqs last enabled at (1685): [] console_unlock+0x4b0/0x6c0 <4>[ 64.139315] hardirqs last disabled at (1686): [] __und_svc+0x60/0x6c <4>[ 64.146829] softirqs last enabled at (1682): [] __do_softirq+0x36c/0x5a0 <4>[ 64.154781] softirqs last disabled at (1671): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 64.162902] CPU: 1 PID: 748 Comm: cat Tainted: G D 5.10.218-cip49 #1 <4>[ 64.170840] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.177649] Backtrace: <4>[ 64.180410] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 64.188271] r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d0d8 <4>[ 64.194231] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 64.201850] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 64.209889] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d3028 r4:c4328000 <4>[ 64.217929] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 64.226046] r6:00000000 r5:00000031 r4:c19d3028 <4>[ 64.230975] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 64.239005] r6:00000001 r5:c4328000 r4:c6bf8000 <4>[ 64.243932] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 64.251533] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c6bf8000 <4>[ 64.258532] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 64.266124] r7:c1e1ca8c <4>[ 64.268957] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 64.276387] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 64.283730] r10:00000004 r9:c4328000 r8:c15ec020 r7:00000000 r6:c4329dc8 r5:c0c594bc <4>[ 64.291842] r4:e7f001f2 <4>[ 64.294671] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 64.302872] Exception stack(0xc4329dc8 to 0xc4329e10) <4>[ 64.308218] 9dc0: c15ec028 ef7965e0 6f28d364 c0c594a8 00000001 c6cda000 <4>[ 64.316689] 9de0: 00000004 c4329f60 c15ec020 c1ad6f34 00000004 c4329e64 c4329e68 c4329e58 <4>[ 64.325153] 9e00: c0c58f3c c0c594bc a0080013 ffffffff <4>[ 64.330494] r7:c4329dfc r6:ffffffff r5:a0080013 r4:c0c594c0 <4>[ 64.336452] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 64.344316] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 64.352621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 64.360832] r9:c4329f60 r8:c5336480 r7:00000004 r6:b6db4000 r5:c69908c0 r4:c0c5931c <4>[ 64.368877] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 64.377001] r9:c07e2978 r8:c4329f60 r7:c290d000 r6:b6db4000 r5:c69908c0 r4:00000000 <4>[ 64.385039] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 64.392469] r10:00000004 r9:00000000 r8:00000000 r7:b6db4000 r6:c4328000 r5:c69908c0 <4>[ 64.400580] r4:c69908c0 <4>[ 64.403411] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 64.410840] r9:c4328000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <4>[ 64.418877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 64.426729] Exception stack(0xc4329fa8 to 0xc4329ff0) <4>[ 64.432072] 9fa0: 00000004 00000004 00000001 b6db4000 00000004 00000001 <4>[ 64.440541] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6db4000 00020000 004bfe38 <4>[ 64.449005] 9fe0: 00000004 be87b7e8 b6e7a33b b6df3616 # Segmentation fault # [ 63.724736] lkdtm: Performing direct entry BUG # [ 63.729884] ------------[ cut here ]------------ # [ 63.734778] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.740274] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 63.745684] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 63.778100] CPU: 1 PID: 748 Comm: cat Not tainted 5.10.218-cip49 #1 # [ 63.784655] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.791484] PC is at lkdtm_BUG+0x14/0x18 # [ 63.795701] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.800431] pc : [] lr : [] psr: a0080013 # [ 63.806986] sp : c4329e58 ip : c4329e68 fp : c4329e64 # [ 63.812495] r10: 00000004 r9 : c1ad6f34 r8 : c15ec020 # [ 63.818005] r7 : c4329f60 r6 : 00000004 r5 : c6cda000 r4 : 00000001 # [ 63.824817] r3 : c0c594a8 r2 : 6f28d364 r1 : ef7965e0 r0 : c15ec028 # [ 63.831635] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.839056] Control: 10c5387d Table: 1401c04a DAC: 00000051 # [ 63.845091] Process cat (pid: 748, stack limit = 0xb1c1ea20) # [ 63.851038] Stack: (0xc4329e58 to 0xc432a000) # [ 63.855685] 9e40: c4329e74 c4329e68 # [ 63.864158] 9e60: c0c58f3c c0c594b4 c4329e9c c4329e78 c0c5943c c0c58f1c c0c5931c c69908c0 # [ 63.872631] 9e80: b6db4000 00000004 c5336480 c4329f60 c4329ec4 c4329ea0 c07e29dc c0c59328 # [ 63.881102] 9ea0: 00000000 c69908c0 b6db4000 c290d000 c4329f60 c07e2978 c4329f5c c4329ec8 # [ 63.889572] 9ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c4328000 # [ 63.898042] 9ee0: b6db4000 00020000 00000004 00000004 0001fffc c4329ee0 00000001 b6db3000 # [ 63.906511] 9f00: c6bcf400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.914981] 9f20: 00000000 00000000 c13e36b0 6f28d364 c206c220 c69908c0 c69908c0 c4328000 # [ 63.923452] 9f40: b6db4000 00000000 00000000 00000004 c4329f94 c4329f60 c059c9b0 c059c304 # [ 63.931923] 9f60: 00000000 00000000 c4329fac 6f28d364 00000004 00000004 7ff00000 00000004 # [ 63.940394] 9f80: c03002e4 c4328000 c4329fa4 c4329f98 c059ca40 c059c948 00000000 c4329fa8 # [ 63.948863] 9fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6db4000 00000004 00000001 # [ 63.957332] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6db4000 00020000 004bfe38 # [ 63.965801] 9fe0: 00000004 be87b7e8 b6e7a33b b6df3616 60080030 00000001 00000000 00000000 # [ 63.974257] Backtrace: # [ 63.977020] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.984892] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.993207] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.001421] r9:c4329f60 r8:c5336480 r7:00000004 r6:b6db4000 r5:c69908c0 r4:c0c5931c # [ 64.009473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.017600] r9:c07e2978 r8:c4329f60 r7:c290d000 r6:b6db4000 r5:c69908c0 r4:00000000 # [ 64.025640] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.033070] r10:00000004 r9:00000000 r8:00000000 r7:b6db4000 r6:c4328000 r5:c69908c0 # [ 64.041182] r4:c69908c0 # [ 64.044014] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.051445] r9:c4328000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 64.059488] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.067340] Exception stack(0xc4329fa8 to 0xc4329ff0) # [ 64.072684] 9fa0: 00000004 00000004 00000001 b6db4000 00000004 00000001 # [ 64.081156] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6db4000 00020000 004bfe38 # [ 64.089620] 9fe0: 00000004 be87b7e8 b6e7a33b b6df3616 # [ 64.094966] Code: e92dd800 e24cb004 e52de00<6>[ 64.885378] lkdtm: Performing direct entry WARNING 4 e8bd4000 (e7f001f2) # [ 64.<4>[ 64.892330] ------------[ cut here ]------------ 101355] ---[ end trace 311b3a6134<4>[ 64.899964] WARNING: CPU: 1 PID: 820 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c d5028b ]--- # [ 64.106265] BUG<4>[ 64.911623] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 : sleeping function called from i<4>[ 64.946504] CPU: 1 PID: 820 Comm: cat Tainted: G D W 5.10.218-cip49 #1 nvalid context at include/linux/p<4>[ 64.957243] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ercpu-rwsem.h:49 # [ 64.115427<4>[ 64.966893] Backtrace: ] in_atomic(): 0, irqs_disabled()<4>[ 64.972479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) : 128, non_block: 0, pid: 748, na<4>[ 64.983163] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 me: cat # [ 64.123364] INFO: l<4>[ 64.991950] [] (show_stack) from [] (dump_stack+0xe0/0x100) ockdep is turned off. # [ 64.1<4>[ 65.002386] [] (dump_stack) from [] (__warn+0x98/0x14c) 27568] irq event stamp: 1686 # [<4>[ 65.012466] r9:00000009 r8:c0c59508 r7:00000053 r6:00000009 r5:c0c59508 r4:c1ad75f0 64.131190] hardirqs last enab<4>[ 65.023332] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) led at (1685): [] conso<4>[ 65.033937] r7:00000053 r6:c1ad75f0 r5:00000000 r4:c6c40000 le_unlock+0x4b0/0x6c0 # [ 64.1<4>[ 65.042722] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 39315] hardirqs last disabled at <4>[ 65.053935] r9:c1ad6f38 r8:c15ec020 r7:c6c41f60 r6:00000008 r5:c6cd1000 r4:00000002 (1686): [] __und_svc+0x<4>[ 65.064801] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 60/0x6c # [ 64.146829] softirq<4>[ 65.075841] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) s last enabled at (1682): [[ 65.086974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 219c>] __do_softirq+0x36c/0x5a0 <4>[ 65.098010] r9:c6c41f60 r8:c5336480 r7:00000008 r6:b6e8f000 r5:c43028c0 r4:c0c5931c # [ 64.154781] softirqs last di<4>[ 65.108881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) sabled at (1671): [] __<4>[ 65.119828] r9:c07e2978 r8:c6c41f60 r7:c290d000 r6:b6e8f000 r5:c43028c0 r4:00000000 irq_exit_rcu+0x178/0x1d0 # [ 6<4>[ 65.130695] [] (vfs_write) from [] (ksys_write+0x74/0xec) 4.162902] CPU: 1 PID: 748 Comm: c<4>[ 65.140953] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c6c40000 r5:c43028c0 at Tainted: G D 5.<4>[ 65.151899] r4:c43028c0 10.218-cip49 #1 # [ 64.170840]<4>[ 65.157564] [] (ksys_write) from [] (sys_write+0x18/0x1c) Hardware name: Freescale i.MX6 Q<4>[ 65.167819] r9:c6c40000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 uad/DualLite (Device Tree) # [ <4>[ 65.178689] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 64.177649] Backtrace: # [ 64<4>[ 65.189376] Exception stack(0xc6c41fa8 to 0xc6c41ff0) .180410] [] (dump_backt<4>[ 65.197556] 1fa0: 00000008 00000008 00000001 b6e8f000 00000008 00000001 race) from [] (show_sta<4>[ 65.208855] 1fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e8f000 00020000 004efe38 ck+0x20/0x24) # [ 64.188271] <4>[ 65.220153] 1fe0: 00000004 beca47e8 b6f5533b b6ece616 r7:ffffffff r6:60080093 r5:000000<4>[ 65.228387] irq event stamp: 0 00 r4:c1f1d0d8 # [ 64.194231] <4>[ 65.234537] hardirqs last enabled at (0): [<00000000>] 0x0 [] (show_stack) from [<<4>[ 65.243234] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac c13c7a94>] (dump_stack+0xe0/0x100<4>[ 65.253838] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac ) # [ 64.201850] [] <4>[ 65.264442] softirqs last disabled at (0): [<00000000>] 0x0 (dump_stack) from [] (_<4>[ 65.273137] ---[ end trace 311b3a6134d5028c ]--- __might_sleep+0x188/0x2e0) # [ 64.209889] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d3028 r4:c4328000 # [ 64.217929] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 64.226046] r6:00000000 r5:00000031 r4:c19d3028 # [ 64.230975] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 64.239005] r6:00000001 r5:c4328000 r4:c6bf8000 # [ 64.243932] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 64.251533] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c6bf8000 # [ 64.258532] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 64.266124] r7:c1e1ca8c # [ 64.268957] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 64.276387] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 64.283730] r10:00000004 r9:c4328000 r8:c15ec020 r7:00000000 r6:c4329dc8 r5:c0c594bc # [ 64.291842] r4:e7f001f2 # [ 64.294671] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 64.302872] Exception stack(0xc4329dc8 to 0xc4329e10) # [ 64.308218] 9dc0: c15ec028 ef7965e0 6f28d364 c0c594a8 00000001 c6cda000 # [ 64.316689] 9de0: 00000004 c4329f60 c15ec020 c1ad6f34 00000004 c4329e64 c4329e68 c4329e58 # [ 64.325153] 9e00: c0c58f3c c0c594bc a0080013 ffffffff # [ 64.330494] r7:c4329dfc r6:ffffffff r5:a0080013 r4:c0c594c0 # [ 64.336452] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.344316] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.352621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.360832] r9:c4329f60 r8:c5336480 r7:00000004 r6:b6db4000 r5:c69908c0 r4:c0c5931c # [ 64.368877] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.377001] r9:c07e2978 r8:c4329f60 r7:c290d000 r6:b6db4000 r5:c69908c0 r4:00000000 # [ 64.385039] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.392469] r10:00000004 r9:00000000 r8:00000000 r7:b6db4000 r6:c4328000 r5:c69908c0 # [ 64.400580] r4:c69908c0 # [ 64.403411] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.410840] r9:c4328000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 64.418877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.426729] Exception stack(0xc4329fa8 to 0xc4329ff0) # [ 64.432072] 9fa0: 00000004 00000004 00000001 b6db4000 00000004 00000001 # [ 64.440541] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6db4000 00020000 004bfe38 # [ 64.449005] 9fe0: 00000004 be87b7e8 b6e7a33b b6df3616 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 64.885378] lkdtm: Performing direct entry WARNING # [ 64.892330] ------------[ cut here ]------------ # [ 64.899964] WARNING: CPU: 1 PID: 820 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 64.911623] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 64.946504] CPU: 1 PID: 820 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 64.957243] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.966893] Backtrace: # [ 64.972479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.983163] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8<6>[ 65.609345] lkdtm: Performing direct entry WARNING_MESSAGE # [ 64.991950] [] (<4>[ 65.617768] ------------[ cut here ]------------ show_stack) from [] (du<4>[ 65.625761] WARNING: CPU: 2 PID: 856 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 mp_stack+0xe0/0x100) # [ 65.00<4>[ 65.637828] Warning message trigger count: 2 2386] [] (dump_stack) f<4>[ 65.645267] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 rom [] (__warn+0x98/0x1<4>[ 65.680233] CPU: 2 PID: 856 Comm: cat Tainted: G D W 5.10.218-cip49 #1 4c) # [ 65.012466] r9:0000000<4>[ 65.690949] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 9 r8:c0c59508 r7:00000053 r6:0000<4>[ 65.700599] Backtrace: 0009 r5:c0c59508 r4:c1ad75f0 # [<4>[ 65.706184] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 65.023332] [] (__war<4>[ 65.716870] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 n) from [] (warn_slowpa<4>[ 65.725654] [] (show_stack) from [] (dump_stack+0xe0/0x100) th_fmt+0x8c/0xa8) # [ 65.03393<4>[ 65.736090] [] (dump_stack) from [] (__warn+0x98/0x14c) 7] r7:00000053 r6:c1ad75f0 r5:00<4>[ 65.746167] r9:00000009 r8:c0c59558 r7:00000058 r6:00000009 r5:c0c59558 r4:c1ad75f0 000000 r4:c6c40000 # [ 65.0427<4>[ 65.757034] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 22] [] (warn_slowpath_f<4>[ 65.767636] r7:00000058 r6:c1ad75f0 r5:c1ad760c r4:c6a36000 mt) from [] (lkdtm_WARN<4>[ 65.776425] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) ING+0x48/0x4c) # [ 65.053935] <4>[ 65.788327] r9:c1ad6f40 r8:c15ec020 r7:c6a37f60 r6:00000010 r5:c69bd000 r4:00000003 r9:c1ad6f38 r8:c15ec020 r7:c6c41<4>[ 65.799194] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) f60 r6:00000008 r5:c6cd1000 r4:00<4>[ 65.810928] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 000002 # [ 65.064801] [[ 65.822059] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) c0>] (lkdtm_WARNING) from [[ 65.833093] r9:c6a37f60 r8:c5336480 r7:00000010 r6:b6e71000 r5:c5f3fcc0 r4:c0c5931c f3c>] (lkdtm_do_action+0x2c/0x4c)<4>[ 65.843964] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.075841] [] (<4>[ 65.854912] r9:c07e2978 r8:c6a37f60 r7:c290d000 r6:b6e71000 r5:c5f3fcc0 r4:00000000 lkdtm_do_action) from [<4>[ 65.865779] [] (vfs_write) from [] (ksys_write+0x74/0xec) ] (direct_entry+0x120/0x18c) # [<4>[ 65.876035] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c6a36000 r5:c5f3fcc0 65.086974] [] (direc<4>[ 65.886982] r4:c5f3fcc0 t_entry) from [] (full_<4>[ 65.892646] [] (ksys_write) from [] (sys_write+0x18/0x1c) proxy_write+0x64/0x94) # [ 65.<4>[ 65.902902] r9:c6a36000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 098010] r9:c6c41f60 r8:c5336480 <4>[ 65.913770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) r7:00000008 r6:b6e8f000 r5:c43028<4>[ 65.924457] Exception stack(0xc6a37fa8 to 0xc6a37ff0) c0 r4:c0c5931c # [ 65.108881] <4>[ 65.932635] 7fa0: 00000010 00000010 00000001 b6e71000 00000010 00000001 [] (full_proxy_write) f<4>[ 65.943934] 7fc0: 00000010 00000010 7ff00000 00000004 00000001 b6e71000 00020000 0049fe38 rom [] (vfs_write+0x10c<4>[ 65.955231] 7fe0: 00000004 beb317e8 b6f3733b b6eb0616 /0x53c) # [ 65.119828] r9:c07<4>[ 65.963452] irq event stamp: 0 e2978 r8:c6c41f60 r7:c290d000 r6:<4>[ 65.969615] hardirqs last enabled at (0): [<00000000>] 0x0 b6e8f000 r5:c43028c0 r4:00000000 <4>[ 65.978314] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.130695] [] (v<4>[ 65.988959] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac fs_write) from [] (ksys<4>[ 65.999527] softirqs last disabled at (0): [<00000000>] 0x0 _write+0x74/0xec) # [ 65.14095<4>[ 66.008193] ---[ end trace 311b3a6134d5028d ]--- 3] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c6c40000 r5:c43028c0 # [ 65.151899] r4:c43028c0 # [ 65.157564] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.167819] r9:c6c40000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 # [ 65.178689] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.189376] Exception stack(0xc6c41fa8 to 0xc6c41ff0) # [ 65.197556] 1fa0: 00000008 00000008 00000001 b6e8f000 00000008 00000001 # [ 65.208855] 1fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e8f000 00020000 004efe38 # [ 65.220153] 1fe0: 00000004 beca47e8 b6f5533b b6ece616 # [ 65.228387] irq event stamp: 0 # [ 65.234537] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.243234] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.253838] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.264442] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.273137] ---[ end trace 311b3a6134d5028c ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.609345] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.617768] ------------[ cut here ]------------ # [ 65.625761] WARNING: CPU: 2 PID: 856 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 65.637828] Warning message trigger count: 2 # [ 65.645267] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 65.680233] CPU: 2 PID: 856 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 65.690949] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.700599] Backtrace: # [ 65.706184] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.716870] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 65.725654] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.736090] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.746167] r9:00000009 r8:c0c59558 r7:00000058 r6:00000009 r5:c0c59558 r4:c1ad75f0 # [ 65.757034] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.767636] r7:00000058 r6:c1ad75f0 r5:c1ad760c r4:c6a36000 # [ 65.776425] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 65.788327] r9:c1ad6f40 r8:c15ec020 r7:c6a37f60 r6:00000010 r5:c69bd000 r4:00000003 # [ 65.799194] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.810928] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.822059] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.833093] r9:c6a37f60 r8:c5336480 r7:00000010 r6:b6e71000 r5:c5f3fcc0 r4:c0c5931c # [ 65.843964] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.854912] r9:c07e2978 r8:c6a37f60 r7:c290d000 r6:b6e71000 r5:c5f3fcc0 r4:00000000 # [ 65.865779] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.876035] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c6a36000 r5:c5f3fcc0 # [ 65.886982] r4:c5f3fcc0 # [ 65.892646] [] (ksys_write) from [] <6>[ 66.330681] lkdtm: Performing direct entry EXCEPTION (sys_write+0x18/0x1c) # [ 65.9<1>[ 66.336251] 8<--- cut here --- 02902] r9:c6a36000 r8:c03002e4 r<1>[ 66.342463] Unable to handle kernel NULL pointer dereference at virtual address 00000000 7:00000004 r6:7ff00000 r5:0000001<1>[ 66.353878] pgd = 43f29d15 0 r4:00000010 # [ 65.913770] [<1>[ 66.359606] [00000000] *pgd=00000000 ] (sys_write) from [[ 66.366307] Internal error: Oops: 805 [#2] SMP ARM <4>[ 66.374185] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 <4>[ 66.406540] CPU: 0 PID: 889 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 66.414462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 66.421266] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 66.425980] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 66.430690] pc : [] lr : [] psr: a0080013 <4>[ 66.437223] sp : c6807e58 ip : c6807e68 fp : c6807e64 <4>[ 66.442714] r10: 0000000a r9 : c1ad6f50 r8 : c15ec020 <4>[ 66.448204] r7 : c6807f60 r6 : 0000000a r5 : c6ca5000 r4 : 00000004 <4>[ 66.454996] r3 : 00000000 r2 : afc999be r1 : ef7815e0 r0 : c15ec040 <4>[ 66.461792] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 66.469193] Control: 10c5387d Table: 16a7404a DAC: 00000051 <0>[ 66.475208] Process cat (pid: 889, stack limit = 0xb0737836) <0>[ 66.481135] Stack: (0xc6807e58 to 0xc6808000) <0>[ 66.485759] 7e40: c6807e74 c6807e68 <0>[ 66.494206] 7e60: c0c58f3c c0c5956c c6807e9c c6807e78 c0c5943c c0c58f1c c0c5931c c6bce780 <0>[ 66.502652] 7e80: b6e0d000 0000000a c5336480 c6807f60 c6807ec4 c6807ea0 c07e29dc c0c59328 <0>[ 66.511099] 7ea0: 00000000 c6bce780 b6e0d000 c290d000 c6807f60 c07e2978 c6807f5c c6807ec8 <0>[ 66.519548] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6806000 <0>[ 66.527993] 7ee0: b6e0d000 00020000 00000004 0000000a 0001fff6 c6807ee0 00000001 b6e0c000 <0>[ 66.536439] 7f00: c6990a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 66.544886] 7f20: 00000000 00000000 c13e36b0 afc999be c206c220 c6bce780 c6bce780 c6806000 <0>[ 66.553333] 7f40: b6e0d000 00000000 00000000 00000004 c6807f94 c6807f60 c059c9b0 c059c304 <0>[ 66.561778] 7f60: 00000000 00000000 c6807fac afc999be 0000000a 0000000a 7ff00000 00000004 <0>[ 66.570224] 7f80: c03002e4 c6806000 c6807fa4 c6807f98 c059ca40 c059c948 00000000 c6807fa8 <0>[ 66.578670] 7fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e0d000 0000000a 00000001 <0>[ 66.587116] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e0d000 00020000 0047fe38 <0>[ 66.595561] 7fe0: 00000004 beca57e8 b6ed333b b6e4c616 60080030 00000001 00000000 00000000 <0>[ 66.604002] Backtrace: <0>[ 66.606728] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 66.615091] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 66.623373] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 66.631562] r9:c6807f60 r8:c5336480 r7:0000000a r6:b6e0d000 r5:c6bce780 r4:c0c5931c <0>[ 66.639582] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 66.647682] r9:c07e2978 r8:c6807f60 r7:c290d000 r6:b6e0d000 r5:c6bce780 r4:00000000 <0>[ 66.655697] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 66.663103] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c6806000 r5:c6bce780 <0>[ 66.671198] r4:c6bce780 <0>[ 66.674005] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 66.681410] r9:c6806000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 66.689427] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 66.697262] Exception stack(0xc6807fa8 to 0xc6807ff0) <0>[ 66.702583] 7fa0: 0000000a 0000000a 00000001 b6e0d000 0000000a 00000001 <0>[ 66.711028] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e0d000 00020000 0047fe38 <0>[ 66.719472] 7fe0: 00000004 beca57e8 b6ed333b b6e4c616 <0>[ 66.724794] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 3000c0>] (ret_fast_syscall+0x0/0x<4>[ 66.731223] ---[ end trace 311b3a6134d5028e ]--- 28) # [ 65.924457] Exception stack(0xc6a37fa8 to 0xc6a37ff0) # [ 65.932635] 7fa0: 00000010 00000010 00000001 b6e71000 00000010 00000001 # [ 65.943934] 7fc0: 00000010 00000010 7ff00000 00000004 00000001 b6e71000 00020000 0049fe38 # [ 65.955231] 7fe0: 00000004 beb317e8 b6f3733b b6eb0616 # [ 65.963452] irq event stamp: 0 # [ 65.969615] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.978314] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.988959] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.999527] softirqs last disabled at (0): [<00000000>] 0x0 # [ 66.008193] ---[ end trace 311b3a6134d5028d ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 66.330681] lkdtm: Performing direct entry EXCEPTION # [ 66.336251] 8<--- cut here --- # [ 66.342463] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 66.353878] pgd = 43f29d15 # [ 66.359606] [00000000] *pgd=00000000 # [ 66.366307] Internal error: Oops: 805 [#2] SMP ARM # [ 66.374185] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 66.406540] CPU: 0 PID: 889 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 66.414462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.421266] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 66.425980] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.430690] pc : [] lr : [] psr: a0080013 # [ 66.437223] sp : c6807e58 ip : c6807e68 fp : c6807e64 # [ 66.442714] r10: 0000000a r9 : c1ad6f50 r8 : c15ec020 # [ 66.448204] r7 : c6807f60 r6 : 0000000a r5 : c6ca5000 r4 : 00000004 # [ 66.454996] r3 : 00000000 r2 : afc999be r1 : ef7815e0 r0 : c15ec040 # [ 66.461792] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.469193] Control: 10c5387d Table: 16a7404a DAC: 00000051 # [ 66.475208] Process cat (pid: 889, stack limit = 0xb0737836) # [ 66.481135] Stack: (0xc6807e58 to 0xc6808000) # [ 66.485759] 7e40: c6807e74 c6807e68 # [ 66.494206] 7e60: c0c58f3c c0c5956c c6807e9c c6807e78 c0c5943c c0c58f1c c0c5931c c6bce780 # [ 66.502652] 7e80: b6e0d000 0000000a c5336480 c6807f60 c6807ec4 c6807ea0 c07e29dc c0c59328 # [ 66.511099] 7ea0: 00000000 c6bce780 b6e0d000 c290d000 c6807f60 c07e2978 c6807f5c c6807ec8 # [ 66.519548] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6806000 # [ 66.527993] 7ee0: b6e0d000 00020000 00000004 0000000a 0001fff6 c6807ee0 00000001 b6e0c000 # [ 66.536439] 7f00: c6990a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.544886] 7f20: 00000000 00000000 c13e36b0 afc999be c206c220 c6bce780 c6bce780 c6806000 # [ 66.553333] 7f40: b6e0d000 00000000 00000000 00000004 c6807f94 c6807f60 c059c9b0 c059c304 # [ 66.561778] 7f60: 00000000 00000000 c6807fac afc999be 0000000a 0000000a 7ff00000 00000004 # [ 66.570224] 7f80: c03002e4 c6806000 c6807fa4 c6807f98 c059ca40 c059c948 00000000 c6807fa8 # [ 66.578670] 7fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e0d000 0000000a 00000001 # [ 66.587116] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e0d000 00020000 0047fe38 # [ 66.595561] 7fe0: 00000004 beca57e8 b6ed333b b6e4c616 60080030 00000001 00000000 00000000 # [ 66.604002] Backtrace: # [ 66.606728] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.615091] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.623373] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.631562] r9:c6807f60 r8:c5336480 r7:0000000a r6:b6e0d000 r5:c6bce780 r4:c0c5931c # [ 66.639582] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.647682] r9:c07e2978 r8:c6807f60 r7:c290d000 r6:b6e0d000 r5:c6bce780 r4:00000000 # [ 66.655697] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.663103] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c6806000 r5:c6bce780 # [ 66.671198] r4:c6bce780 # [ 66.674005] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.681410] r9:c6806000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 66.689427] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.697262] Exception stack(0xc6807fa8 to 0xc6807ff0) # [ 66.702583] 7fa0: 0000000a 0000000a 00000001 b6e0d000 0000000a 00000001 # [ 66.711028] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e0d000 00020000 0047fe38 # [ 66.719472] 7fe0: 00000004 beca57e8 b6ed333b b6e4c616 # [ 66.724794] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 66.731223] ---[ end trace 311b3a6134d5028e ]--- # 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>[ 67.881752] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 67.887609] lkdtm: attempting good list addition <6>[ 67.892615] lkdtm: attempting corrupted list addition <3>[ 67.897939] lkdtm: list_add() corruption not detected! # [ 67.881752] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.887609] lkdtm: attempting good list addition # [ 67.892615] lkdtm: attempting corrupted list addition # [ 67.897939] 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>[ 68.221687] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 68.227542] lkdtm: attempting good list removal <6>[ 68.232549] lkdtm: attempting corrupted list removal <3>[ 68.237818] lkdtm: list_del() corruption not detected! # [ 68.221687] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.227542] lkdtm: attempting good list removal # [ 68.232549] lkdtm: attempting corrupted list removal # [ 68.237818] 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>[ 68.552297] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 68.558848] lkdtm: attempting bad read from page below current stack <3>[ 68.565623] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.552297] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.558848] lkdtm: attempting bad read from page below current stack # [ 68.565623] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 68.875146] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 68.881848] lkdtm: attempting bad read from page above current stack <3>[ 68.888481] lkdtm: FAIL: accessed page after stack! (byte: 61) # [ 68.875146] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.881848] lkdtm: attempting bad read from page above current stack # [ 68.888481] lkdtm: FAIL: accessed page after stack! (byte: 61) # 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>[ 69.212137] lkdtm: Performing direct entry UNSET_SMEP <3>[ 69.217475] lkdtm: XFAIL: this test is x86_64-only # [ 69.212137] lkdtm: Performing direct entry UNSET_SMEP # [ 69.217475] 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>[ 69.521094] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 69.526606] lkdtm: XFAIL: this test is ia32-only # [ 69.521094] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.526606] lkdtm: XFAIL: this test is ia32-only # D<4>[ 69.614377] panel-simple panel-lcd: supply power not found, using dummy regulator OUBLE<4>[ 69.623367] panel-simple panel-lcd: Specify missing connector_type _FAULT: saw 'XFAIL': [SKIP] <4>[ 69.645513] panel-simple panel-lvds0: supply power not found, using dummy regulator ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.s<6>[ 69.676687] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) h <6>[ 69.686642] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.695434] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.704122] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.715197] platform backlight-lvds: deferred probe pending <6>[ 69.721203] platform panel-lcd: deferred probe pending <6>[ 69.726637] platform panel-lvds0: deferred probe pending <6>[ 69.732330] platform backlight-lcd: deferred probe pending <6>[ 69.738109] platform disp0: deferred probe pending <6>[ 69.870695] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 69.876120] lkdtm: XFAIL: this test is arm64-only # [ 69.870695] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.876120] 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>[ 70.176633] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 70.183409] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.176633] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.183409] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 70.870267] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 70.876038] lkdtm: Value in memory before free: 12345678 <6>[ 70.881758] lkdtm: Attempting bad read from freed memory <6>[ 70.887377] lkdtm: Memory was not poisoned # [ 70.870267] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.876038] lkdtm: Value in memory before free: 12345678 # [ 70.881758] lkdtm: Attempting bad read from freed memory # [ 70.887377] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 71.386558] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 71.392895] lkdtm: Value in memory before free: 12345678 <6>[ 71.398479] lkdtm: Attempting to read from freed memory <6>[ 71.404025] lkdtm: Buddy page was not poisoned # [ 71.386558] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.392895] lkdtm: Value in memory before free: 12345678 # [ 71.398479] lkdtm: Attempting to read from freed memory # [ 71.404025] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 71.712380] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 71.718254] lkdtm: Attempting double slab free ... # [ 71.712380] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.718254] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 72.015796] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 72.021637] lkdtm: Attempting cross-cache slab free ... # [ 72.015796] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.021637] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 72.328064] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 72.333846] lkdtm: Attempting non-Slab slab free ... # [ 72.328064] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.333846] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 73.382889] lkdtm: Performing direct entry EXEC_DATA <6>[ 73.388139] lkdtm: attempting ok execution at c0c59cac <6>[ 73.393602] lkdtm: attempting bad execution at c2706a28 <1>[ 73.399160] 8<--- cut here --- <1>[ 73.402486] Unable to handle kernel paging request at virtual address c2706a28 <1>[ 73.409979] pgd = 8003b575 <1>[ 73.412952] [c2706a28] *pgd=1261141e(bad) <0>[ 73.417244] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 73.422737] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 <4>[ 73.455090] CPU: 0 PID: 1765 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 73.463099] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 73.469904] PC is at data_area+0x0/0x40 <4>[ 73.474015] LR is at execute_location+0xa4/0xb4 <4>[ 73.478813] pc : [] lr : [] psr: 60080013 <4>[ 73.485346] sp : c6993e38 ip : c6993d40 fp : c6993e54 <4>[ 73.490837] r10: 0000000a r9 : c1ad7134 r8 : c15ec020 <4>[ 73.496328] r7 : c6993f60 r6 : 00000001 r5 : c2706a28 r4 : c0c59cac <4>[ 73.503120] r3 : d08d9561 r2 : d08d9561 r1 : ef7815e0 r0 : 0000002b <4>[ 73.509916] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 73.517317] Control: 10c5387d Table: 16a8c04a DAC: 00000051 <0>[ 73.523330] Process cat (pid: 1765, stack limit = 0x152b02af) <0>[ 73.529344] Stack: (0xc6993e38 to 0xc6994000) <0>[ 73.533970] 3e20: 0000001f c69ba000 <0>[ 73.542417] 3e40: 0000000a c6993f60 c6993e64 c6993e58 c13ce2b8 c13ce0b4 c6993e74 c6993e68 <0>[ 73.550864] 3e60: c0c58f3c c13ce2a0 c6993e9c c6993e78 c0c5943c c0c58f1c c0c5931c c69bf040 <0>[ 73.559312] 3e80: b6db4000 0000000a c5336480 c6993f60 c6993ec4 c6993ea0 c07e29dc c0c59328 <0>[ 73.567759] 3ea0: 00000000 c69bf040 b6db4000 c290d000 c6993f60 c07e2978 c6993f5c c6993ec8 <0>[ 73.576207] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6992000 <0>[ 73.584653] 3ee0: b6db4000 00020000 00000004 0000000a 0001fff6 c6993ee0 00000001 b6db3000 <0>[ 73.593099] 3f00: c42f0500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 73.601546] 3f20: 00000000 00000000 c13e36b0 d08d9561 c206c220 c69bf040 c69bf040 c6992000 <0>[ 73.609992] 3f40: b6db4000 00000000 00000000 00000004 c6993f94 c6993f60 c059c9b0 c059c304 <0>[ 73.618437] 3f60: 00000000 00000000 c6993fac d08d9561 0000000a 0000000a 7ff00000 00000004 <0>[ 73.626885] 3f80: c03002e4 c6992000 c6993fa4 c6993f98 c059ca40 c059c948 00000000 c6993fa8 <0>[ 73.635331] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6db4000 0000000a 00000001 <0>[ 73.643779] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db4000 00020000 0041fe38 <0>[ 73.652226] 3fe0: 00000004 beed37e8 b6e7a33b b6df3616 60080030 00000001 00000000 00000000 <0>[ 73.660668] Backtrace: <0>[ 73.663398] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 73.671846] r7:c6993f60 r6:0000000a r5:c69ba000 r4:0000001f <0>[ 73.677781] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 73.686142] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 73.694423] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 73.702611] r9:c6993f60 r8:c5336480 r7:0000000a r6:b6db4000 r5:c69bf040 r4:c0c5931c <0>[ 73.710631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 73.718731] r9:c07e2978 r8:c6993f60 r7:c290d000 r6:b6db4000 r5:c69bf040 r4:00000000 <0>[ 73.726744] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.734149] r10:00000004 r9:00000000 r8:00000000 r7:b6db4000 r6:c6992000 r5:c69bf040 <0>[ 73.742243] r4:c69bf040 <0>[ 73.745049] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.752453] r9:c6992000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 73.760469] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.768303] Exception stack(0xc6993fa8 to 0xc6993ff0) <0>[ 73.773623] 3fa0: 0000000a 0000000a 00000001 b6db4000 0000000a 00000001 <0>[ 73.782069] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db4000 00020000 0041fe38 <0>[ 73.790513] 3fe0: 00000004 beed37e8 b6e7a33b b6df3616 <0>[ 73.795834] Code: 00000000 c5ba90c0 c5ba9180 c5ba9240 (e1a0c00d) <4>[ 73.802199] ---[ end trace 311b3a6134d5028f ]--- # Segmentation fault # [ 73.382889] lkdtm: Performing direct entry EXEC_DATA # [ 73.388139] lkdtm: attempting ok execution at c0c59cac # [ 73.393602] lkdtm: attempting bad execution at c2706a28 # [ 73.399160] 8<--- cut here --- # [ 73.402486] Unable to handle kernel paging request at virtual address c2706a28 # [ 73.409979] pgd = 8003b575 # [ 73.412952] [c2706a28] *pgd=1261141e(bad) # [ 73.417244] Internal error: Oops: 8000000d [#3] SMP ARM # [ 73.422737] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 73.455090] CPU: 0 PID: 1765 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 73.463099] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.469904] PC is at data_area+0x0/0x40 # [ 73.474015] LR is at execute_location+0xa4/0xb4 # [ 73.478813] pc : [] lr : [] psr: 60080013 # [ 73.485346] sp : c6993e38 ip : c6993d40 fp : c6993e54 # [ 73.490837] r10: 0000000a r9 : c1ad7134 r8 : c15ec020 # [ 73.496328] r7 : c6993f60 r6 : 00000001 r5 : c2706a28 r4 : c0c59cac # [ 73.503120] r3 : d08d9561 r2 : d08d9561 r1 : ef7815e0 r0 : 0000002b # [ 73.509916] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.517317] Control: 10c5387d Table: 16a8c04a DAC: 00000051 # [ 73.523330] Process cat (pid: 1765, stack limit = 0x152b02af) # [ 73.529344] Stack: (0xc6993e38 to 0xc6994000) # [ 73.533970] 3e20: 0000001f c69ba000 # [ 73.542417] 3e40: 0000000a c6993f60 c6993e64 c6993e58 c13ce2b8 c13ce0b4 c6993e74 c6993e68 # [ 73.550864] 3e60: c0c58f3c c13ce2a0 c6993e9c c6993e78 c0c5943c c0c58f1c c0c5931c c69bf040 # [ 73.559312] 3e80: b6db4000 0000000a c5336480 c6993f60 c6993ec4 c6993ea0 c07e29dc c0c59328 # [ 73.567759] 3ea0: 00000000 c69bf040 b6db4000 c290d000 c6993f60 c07e2978 c6993f5c c6993ec8 # [ 73.576207] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6992000 # [ 73.584653] 3ee0: b6db4000 00020000 00000004 0000000a 0001fff6 c6993ee0 00000001 b6db3000 # [ 73.593099] 3f00: c42f0500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.601546] 3f20: 00000000 00000000 c13e36b0 d08d9561 c206c220 c69bf040 c69bf040 c6992000 # [ 73.609992] 3f40: b6db4000 00000000 00000000 00000004 c6993f94 c6993f60 c059c9b0 c059c304 # [ 73.618437] 3f60: 00000000 00000000 c6993fac d08d9561 0000000a 0000000a 7ff00000 00000004 # [ 73.626885] 3f80: c03002e4 c6992000 c6993fa4 c6993f98 c059ca40 c059c948 00000000 c6993fa8 # [ 73.635331] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6db4000 0000000a 00000001 # [ 73.643779] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db4000 00020000 0041fe38 # [ 73.652226] 3fe0: 00000004 beed37e8 b6e7a33b b6df3616 60080030 00000001 00000000 00000000 # [ 73.660668] Backtrace: # [ 73.663398] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 73.671846] r7:c6993f60 r6:0000000a r5:c69ba000 r4:0000001f # [ 73.677781] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.686142] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.694423] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.702611] r9:c6993f60 r8:c5336480 r7:0000000a r6:b6db4000 r5:c69bf040 r4:c0c5931c # [ 73.710631] [] <6>[ 74.221609] lkdtm: Performing direct entry EXEC_STACK (full_proxy_write) from [[ 74.228076] lkdtm: attempting ok execution at c0c59cac 4>] (vfs_write+0x10c/0x53c) # [ <6>[ 74.236447] lkdtm: attempting bad execution at c6807e0c 73.718731] r9:c07e2978 r8:c699<1>[ 74.244774] 8<--- cut here --- <1>[ 74.250911] Unable to handle kernel paging request at virtual address c6807e0c <1>[ 74.258405] pgd = d6e6bc64 <1>[ 74.261378] [c6807e0c] *pgd=1681141e(bad) <0>[ 74.265672] Internal error: Oops: 8000000d [#4] SMP ARM <4>[ 74.271166] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 <4>[ 74.303520] CPU: 0 PID: 1842 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 74.311529] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 74.318326] PC is at 0xc6807e0c <4>[ 74.321746] LR is at execute_location+0xa4/0xb4 <4>[ 74.326543] pc : [] lr : [] psr: 60080013 <4>[ 74.333078] sp : c6807de8 ip : c6807cf0 fp : c6807e04 <4>[ 74.338570] r10: 0000000b r9 : c1ad7140 r8 : c15ec020 <4>[ 74.344061] r7 : c6807f60 r6 : 00000001 r5 : c6807e0c r4 : c0c59cac <4>[ 74.350854] r3 : 71d74a05 r2 : 71d74a05 r1 : ef7815e0 r0 : 0000002b <4>[ 74.357650] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 74.365051] Control: 10c5387d Table: 16b0c04a DAC: 00000051 <0>[ 74.371063] Process cat (pid: 1842, stack limit = 0xb0737836) <0>[ 74.377076] Stack: (0xc6807de8 to 0xc6808000) <0>[ 74.381705] 7de0: c6806000 c6c78000 0000000b c6807f60 c6807e64 c6807e08 <0>[ 74.390153] 7e00: c13ce2f4 c13ce0b4 c6807e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 74.398601] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 <0>[ 74.407049] 7e40: e3a02040 e3a01d33 e5930018 71d74a05 0000000b 00000020 c6807e74 c6807e68 <0>[ 74.415495] 7e60: c0c58f3c c13ce2c8 c6807e9c c6807e78 c0c5943c c0c58f1c c0c5931c c69be8c0 <0>[ 74.423943] 7e80: b6e86000 0000000b c5336480 c6807f60 c6807ec4 c6807ea0 c07e29dc c0c59328 <0>[ 74.432390] 7ea0: 00000000 c69be8c0 b6e86000 c290d000 c6807f60 c07e2978 c6807f5c c6807ec8 <0>[ 74.440837] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6806000 <0>[ 74.449284] 7ee0: b6e86000 00020000 00000004 0000000b 0001fff5 c6807ee0 00000001 b6e85000 <0>[ 74.457729] 7f00: c43c3cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.466176] 7f20: 00000000 00000000 c13e36b0 71d74a05 c206c220 c69be8c0 c69be8c0 c6806000 <0>[ 74.474623] 7f40: b6e86000 00000000 00000000 00000004 c6807f94 c6807f60 c059c9b0 c059c304 <0>[ 74.483069] 7f60: 00000000 00000000 c6807fac 71d74a05 0000000b 0000000b 7ff00000 00000004 <0>[ 74.491515] 7f80: c03002e4 c6806000 c6807fa4 c6807f98 c059ca40 c059c948 00000000 c6807fa8 <0>[ 74.499960] 7fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e86000 0000000b 00000001 <0>[ 74.508406] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e86000 00020000 0044fe38 <0>[ 74.516851] 7fe0: 00000004 bee887e8 b6f4c33b b6ec5616 60080030 00000001 00000000 00000000 <0>[ 74.525292] Backtrace: <0>[ 74.528020] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 74.536555] r7:c6807f60 r6:0000000b r5:c6c78000 r4:c6806000 <0>[ 74.542489] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.550934] r4:00000020 <0>[ 74.553741] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.562021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.570209] r9:c6807f60 r8:c5336480 r7:0000000b r6:b6e86000 r5:c69be8c0 r4:c0c5931c <0>[ 74.578230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.586330] r9:c07e2978 r8:c6807f60 r7:c290d000 r6:b6e86000 r5:c69be8c0 r4:00000000 <0>[ 74.594347] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.601751] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c6806000 r5:c69be8c0 <0>[ 74.609845] r4:c69be8c0 <0>[ 74.612651] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.620057] r9:c6806000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 74.628073] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.635907] Exception stack(0xc6807fa8 to 0xc6807ff0) <0>[ 74.641228] 7fa0: 0000000b 0000000b 00000001 b6e86000 0000000b 00000001 <0>[ 74.649676] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e86000 00020000 0044fe38 <0>[ 74.658119] 7fe0: 00000004 bee887e8 b6f4c33b b6ec5616 <0>[ 74.663442] Code: c6807e08 c13ce2f4 c13ce0b4 c6807e6c (e1a0c00d) <4>[ 74.669806] ---[ end trace 311b3a6134d50290 ]--- 3f60 r7:c290d000 r6:b6db4000 r5:c69bf040 r4:00000000 # [ 73.726744] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 73.734149] r10:00000004 r9:00000000 r8:00000000 r7:b6db4000 r6:c6992000 r5:c69bf040 # [ 73.742243] r4:c69bf040 # [ 73.745049] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 73.752453] r9:c6992000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 73.760469] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 73.768303] Exception stack(0xc6993fa8 to 0xc6993ff0) # [ 73.773623] 3fa0: 0000000a 0000000a 00000001 b6db4000 0000000a 00000001 # [ 73.782069] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db4000 00020000 0041fe38 # [ 73.790513] 3fe0: 00000004 beed37e8 b6e7a33b b6df3616 # [ 73.795834] Code: 00000000 c5ba90c0 c5ba9180 c5ba9240 (e1a0c00d) # [ 73.802199] ---[ end trace 311b3a6134d5028f ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 74.221609] lkdtm: Performing direct entry EXEC_STACK # [ 74.228076] lkdtm: attempting ok execution at c0c59cac # [ 74.236447] lkdtm: attempting bad execution at c6807e0c # [ 74.244774] 8<--- cut here --- # [ 74.250911] Unable to handle kernel paging request at virtual address c6807e0c # [ 74.258405] pgd = d6e6bc64 # [ 74.261378] [c6807e0c] *pgd=1681141e(bad) # [ 74.265672] Internal error: Oops: 8000000d [#4] SMP ARM # [ 74.271166] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 74.303520] CPU: 0 PID: 1842 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 74.311529] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.318326] PC is at 0xc6807e0c # [ 74.321746] LR is at execute_location+0xa4/0xb4 # [ 74.326543] pc : [] lr : [] psr: 60080013 # [ 74.333078] sp : c6807de8 ip : c6807cf0 fp : c6807e04 # [ 74.338570] r10: 0000000b r9 : c1ad7140 r8 : c15ec020 # [ 74.344061] r7 : c6807f60 r6 : 00000001 r5 : c6807e0c r4 : c0c59cac # [ 74.350854] r3 : 71d74a05 r2 : 71d74a05 r1 : ef7815e0 r0 : 0000002b # [ 74.357650] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.365051] Control: 10c5387d Table: 16b0c04a DAC: 00000051 # [ 74.371063] Process cat (pid: 1842, stack limit = 0xb0737836) # [ 74.377076] Stack: (0xc6807de8 to 0xc6808000) # [ 74.381705] 7de0: c6806000 c6c78000 0000000b c6807f60 c6807e64 c6807e08 # [ 74.390153] 7e00: c13ce2f4 c13ce0b4 c6807e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 74.398601] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 # [ 74.407049] 7e40: e3a02040 e3a01d33 e5930018 71d74a05 0000000b 00000020 c6807e74 c6807e68 # [ 74.415495] 7e60: c0c58f3c c13ce2c8 c6807e9c c6807e78 c0c5943c c0c58f1c c0c5931c c69be8c0 # [ 74.423943] 7e80: b6e86000 0000000b c5336480 c6807f60 c6807ec4 c6807ea0 c07e29dc c0c59328 # [ 74.432390] 7ea0: 00000000 c69be8c0 b6e86000 c290d000 c6807f60 c07e2978 c6807f5c c6807ec8 # [ 74.440837] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6806000 # [ 74.449284] 7ee0: b6e86000 00020000 00000004 0000000b 0001fff5 c6807ee0 00000001 b6e85000 # [ 74.457729] 7f00: c43c3cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.466176] 7f20: 00000000 00000000 c13e36b0 71d74a05 c206c220 c69be8c0 c69be8c0 c6806000 # [ 74.474623] 7f40: b6e86000 00000000 00000000 00000004 c6807f94 c6807f60 c059c9b0 c059c304 # [ 74.483069] 7f60: 00000000 00000000 c6807fac 71d74a05 0000000b 0000000b 7ff00000 00000004 # [ 74.491515] 7f80: c03002e4 c6806000 c6807fa4 c6807f98 c059ca40 c059c948 00000000 c6807fa8 # [ 74.499960] 7fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e86000 0000000b 00000001 # [ 74.508406] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e86000 00020000 0044fe38 # [ 74.516851] 7fe0: 00000004 bee887e8 b6f4c33b b6ec5616 60080030 00000001 00000000 00000000 # [ 74.525292] Backtrace: # [ 74.528020] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 74.536555] r7:c6807f60 r6:0000000b r5:c6c78000 r4:c6806000 # [ 74.542489] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.550934] r4:00000020 # [ 74.553741] [] (lkdtm_<6>[ 75.090414] lkdtm: Performing direct entry EXEC_KMALLOC do_action) from [c[> ] 75.097512] lkdtm: attempting ok execution at c0c59cac (direct_entry+0x120/0x18c) # [ <6>[ 75.105352] lkdtm: attempting bad execution at c58db7c0 74.562021] [] (direct<1>[ 75.113646] 8<--- cut here --- _entry) from [<<1c>0[7 e 2 97d5c.119781] Unable to handle kernel paging request at virtual address c58db7c0 ] (full_proxy_i[t e + 07x5.629261] pgd = 402cd1aa 4/0x94) # [ 74.570209] r<91:>[ 75.134134] [c58db7c0] *pgd=1581141e(bad) 6807f60 r8:c5336480< 0r>7[: 0 0 05.141012] Internal error: Oops: 8000000d [#5] SMP ARM 0000b r6:b6e86000 r5:c69be8c0 r4:<4>[ 75.148662] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 c0c5931c # [ 74.57<842>3[0 ] 75.183665] CPU: 2 PID: 1922 Comm: cat Tainted: G D W 5.10.218-cip49 #1 [<]4 >([f u l l7_5p.r1o3917] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) xy_write) from [[9 c 4 074.202530] PC is at 0xc58db7c0 >] (vfs_write+0x10c/0x53c) #< 4[[ 75.208021] LR is at execute_location+0xa4/0xb4 74.586330<]4 > [r 9 : c7057.e215403] pc : [] lr : [] psr: 60080013 978 r8:c6<840>7[f 6 0 7r57.:2c22837] sp : c6b77e30 ip : c6b77d38 fp : c6b77e4c 90d000 r6:b<64e>8[6 0 0705 .r2531058] r10: 0000000d r9 : c1ad714c r8 : c15ec020 c69be8c0 r4<:40>0[0 0 0 07050. 2 8364] r7 : c6b77f60 r6 : 00000001 r5 : c58db7c0 r4 : c0c59cac # [ 74.5943<447>][ [ < c7055.946972] r3 : 3b51089e r2 : 3b51089e r1 : ef7ab5e0 r0 : 0000002b c2f8>] (vfs_wri)[ f r o7m5 255669] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [] <(4k>s[y s _ w7r5.i265057] Control: 10c5387d Table: 1688404a DAC: 00000051 e+0x74/0xec) < 0#> [[ 7754..72972] Process cat (pid: 1922, stack limit = 0xc87002f2) 601751] r10:0<000>0[0 0 0 47 5r.280886] Stack: (0xc6b77e30 to 0xc6b78000) :00000000 r8:0000<000>0[0 r 77:.287501] 7e20: c58db7c0 c47cf000 0000000d c6b77f60 b6e86000 r6:c68060<000> [r 5 :7c.298018] 7e40: c6b77e64 c6b77e50 c0c59cfc c13ce0b4 00000021 c47cf000 c6b77e74 c6b77e68 69be8c0 # [ 74.<600>9[8 4 5 ]75.308537] 7e60: c0c58f3c c0c59cd0 c6b77e9c c6b77e78 c0c5943c c0c58f1c c0c5931c c6a9a640 r4:c69be8c0 <#0 >[[ 7745..319141] 7e80: b6e0c000 0000000d c5336480 c6b77f60 c6b77ec4 c6b77ea0 c07e29dc c0c59328 12651] [>[] ( k7s5y329574] 7ea0: 00000000 c6a9a640 b6e0c000 c290d000 c6b77f60 c07e2978 c6b77f5c c6b77ec8 s_write) from [c[a 4 0 >75.340006] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6b76000 (sys_write+0x18/0x<10c>)[ # 5.350612] 7ee0: b6e0c000 00020000 00000004 0000000d 0001fff3 c6b77ee0 00000001 b6e0b000 [ 74.620057] :[c 6 8 0765.361215] 7f00: c6baf400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00 r8:c03002e4 r7<:00>0[0 0 0 070.371734] 7f20: 00000000 00000000 c13e36b0 3b51089e c206c220 c6a9a640 c6a9a640 c6b76000 4 r6:7ff00000 r<50:>0[0 0 0 07050382252] 7f40: b6e0c000 00000000 00000000 00000004 c6b77f94 c6b77f60 c059c9b0 c059c304 b r4:0000000b # <[0 > [ 7 4 .76.392684] 7f60: 00000000 00000000 c6b77fac 3b51089e 0000000d 0000000d 7ff00000 00000004 28073] [0]> [( s y s7_.403202] 7f80: c03002e4 c6b76000 c6b77fa4 c6b77f98 c059ca40 c059c948 00000000 c6b77fa8 write) from [0[0 0 c 07>5]413719] 7fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e0c000 0000000d 00000001 (ret_fast_syscl[+ 0 x 07/50424151] 7fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e0c000 00020000 0042fe38 x28) # [ 74.6359<007>][ E x c5.434585] 7fe0: 00000004 be8a67e8 b6ed233b b6e4b616 60080030 00000001 00000000 00000000 eption stack(0xc68<007>f[a 8 t75.445183] Backtrace: 0xc6807ff0) # [ 74.641228] 7f0>[ 75.450075] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) a0: < 0 > [ 0 0 075.461538] r7:c6b77f60 r6:0000000d r5:c47cf000 r4:c58db7c0 000b 0000000b 000000<001> [b 6 e 75.469629] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 6000 000000<00b> [0 0 0 07050.0410489] r5:c47cf000 r4:00000021 # [ 74.649676] 7f:[ 0 075.486154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 00000b 0000000b 7ff00000 000<000>[ 75.496675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 04 00000001 b6e86000< 00>0[0 2 0 75.507449] r9:c6b77f60 r8:c5336480 r7:0000000d r6:b6e0c000 r5:c6a9a640 r4:c0c5931c 00 0044fe38 # [ 74.658119] 7f<0>[ 75.517714] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 0: 00000004 bee887 [b 6 f 475.528570] r9:c07e2978 r8:c6b77f60 r7:c290d000 r6:b6e0c000 r5:c6a9a640 r4:00000000 33b b6ec5616 # [ < 07>4[. 6 6 35.538743] [] (vfs_write) from [] (ksys_write+0x74/0xec) 442] Code: c6<800>7[e 0 8 7c51.348305] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c6b76000 r5:c6a9a640 ce2f4 c130[b 4 c7658.0575e299] r4:c6a9a640 6c (e1a0c00d) # [ 7<40.>6[6 9 75.562836] [] (ksys_write) from [] (sys_write+0x18/0x1c) 806] ---[ end tra [3 1 1 b73.572570] r9:c6b76000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d a6134d50290 ]--- # EX_[S T 75.582658] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) CK: missi [' c a l7l5 .t5r9a821] Exception stack(0xc6b77fa8 to 0xc6b77ff0) ce:': [FAIL] n [o k 3715.599871] 7fa0: 0000000d 0000000d 00000001 b6e0c000 0000000d 00000001 selftests: lkdtm: EC[_ S T A5.610305] 7fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e0c000 00020000 0042fe38 CK.sh # exit=1 < 0#> [s e l f7t5e620907] 7fe0: 00000004 be8a67e8 b6ed233b b6e4b616 sts: lkdtm: EXEC_KMAO[C . s 75.628216] Code: c58db720 c58e586c 00000019 c58db7bc (e1a0c00d) <4>[ 75.636825] ---[ end trace 311b3a6134d50291 ]--- # Segmentation fault # [ 75.090414] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.097512] lkdtm: attempting ok execution at c0c59cac # [ 75.105352] lkdtm: attempting bad execution at c58db7c0 # [ 75.113646] 8<--- cut here --- # [ 75.119781] Unable to handle kernel paging request at virtual address c58db7c0 # [ 75.129261] pgd = 402cd1aa # [ 75.134134] [c58db7c0] *pgd=1581141e(bad) # [ 75.141012] Internal error: Oops: 8000000d [#5] SMP ARM # [ 75.148662] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 75.183665] CPU: 2 PID: 1922 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 75.193917] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.202530] PC is at 0xc58db7c0 # [ 75.208021] LR is at execute_location+0xa4/0xb4 # [ 75.215403] pc : [] lr : [] psr: 60080013 # [ 75.223837] sp : c6b77e30 ip : c6b77d38 fp : c6b77e4c # [ 75.231058] r10: 0000000d r9 : c1ad714c r8 : c15ec020 # [ 75.238364] r7 : c6b77f60 r6 : 00000001 r5 : c58db7c0 r4 : c0c59cac # [ 75.246972] r3 : 3b51089e r2 : 3b51089e r1 : ef7ab5e0 r0 : 0000002b # [ 75.255669] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.265057] Control: 10c5387d Table: 1688404a DAC: 00000051 # [ 75.272972] Process cat (pid: 1922, stack limit = 0xc87002f2) # [ 75.280886] Stack: (0xc6b77e30 to 0xc6b78000) # [ 75.287501] 7e20: c58db7c0 c47cf000 0000000d c6b77f60 # [ 75.298018] 7e40: c6b77e64 c6b77e50 c0c59cfc c13ce0b4 00000021 c47cf000 c6b77e74 c6b77e68 # [ 75.308537] 7e60: c0c58f3c c0c59cd0 c6b77e9c c6b77e78 c0c5943c c0c58f1c c0c5931c c6a9a640 # [ 75.319141] 7e80: b6e0c000 0000000d c5336480 c6b77f60 c6b77ec4 c6b77ea0 c07e29dc c0c59328 # [ 75.329574] 7ea0: 00000000 c6a9a640 b6e0c000 c290d000 c6b77f60 c07e2978 c6b77f5c c6b77ec8 # [ 75.340006] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6b76000 # [ 75.350612] 7ee0: b6e0c000 00020000 00000004 0000000d 0001fff3 c6b77ee0 00000001 b6e0b000 # [ 75.361215] 7f00: c6baf400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.371734] 7f20: 00000000 00000000 c13e36b0 3b51089e c206c220 c6a9a640 c6a9a640 c6b76000 # [ 75.382252] 7f40: b6e0c000 00000000 00000000 00000004 c6b77f94 c6b77f60 c059c9b0 c059c304 # [ 75.392684] 7f60: 00000000 00000000 c6b77fac 3b51089e 0000000d 0000000d 7ff00000 00000004 # [ 75.403202] 7f80: c03002e4 c6b76000 c6b77fa4 c6b77f98 c059ca40 c059c948 00000000 c6b77fa8 # [ 75.413719] 7fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e0c000 0000000d 00000001 # [ 75.424151] 7fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e0c000 00020000 0042fe38 # [ 75.434585] 7fe0: 00000004 be8a67e8 b6ed233b b6e4b616 60080030 00000001 00000000 00000000 # [ 75.445183] Backtrace: # [ 75.450075] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 75.461538] r7:c6b77f60 r6:0000000d r5:c47cf000 r4:c58db7c0 # [ 75.469629] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.480489] r5:c47cf000 r4:00000021 # [ 75.486154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.496675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.507449] r9:c6b77f60 r8:c5336480 r7:0000000d r6:b6e0c000 r5:c6a9a640 r4:c0c5931c # [ 75.517714] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.528570] r9:c07e2978 r8:c6b77f60 r7:c290d000 r6:b6e0c000 r5:c6a9a640 r4:00000000 # [ 75.538743] [] (vfs_write) from [] (ksys_write+0x74/0x<6>[ 76.059511] lkdtm: Performing direct entry EXEC_VMALLOC ec) # [ 75.548305] r10:000000<6>[ 76.065357] lkdtm: attempting ok execution at c0c59cac 04 r9:00000000 r8:00000000 r7:b6e<6>[ 76.073669] lkdtm: attempting bad execution at f0976000 0c000 r6:c6b76000 r5:c6a9a640 # <1>[ 76.082000] 8<--- cut here --- [ 75.558299] r4:c6a9a640 # [ <1>[ 76.088142] Unable to handle kernel paging request at virtual address f0976000 75.562836] [] (ksys_w<1>[ 76.098512] pgd = debe9da9 rite) from [] (sys_writ<1>[ 76.104339] [f0976000] *pgd=12958811, *pte=4b8f465f, *ppte=4b8f445f e+0x18/0x1c) # [ 75.572570] r<0>[ 76.113748] Internal error: Oops: 8000000f [#6] SMP ARM 9:c6b76000 r8:c03002e4 r7:0000000<4>[ 76.122049] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 4 r6:7ff00000 r5:000000<04d> [r 4 76.157054] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.218-cip49 #1 :0000000d <#4 >[[ 7756..5187391] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 2658] [] (s_[w r i76.176008] PC is at 0xf0976000 te) from [] (ref[a 76.181670] LR is at execute_location+0xa4/0xb4 st_syscall+0x<04/>0[x 2 8 )76 . 188883] pc : [] lr : [] psr: 60080013 [ 75.<549>2[8 2 1 ]7 6E.x1c9e7317] sp : c47d9e30 ip : c47d9d38 fp : c47d9e4c tion stac0[x c 6 b7767.f2a08537] r10: 0000000d r9 : c1ad715c r8 : c15ec020 to 0xc<64b>7[7 f f 07)6 . 2#1 1757] r7 : c47d9f60 r6 : 00000001 r5 : f0976000 r4 : c0c59cac 75.599871]< 47>f[a 0 : 7 6 . 20195] r3 : 200a6b88 r2 : 200a6b88 r1 : ef7c05e0 r0 : 0000002b <040>0[0 0 0 07d6 228892] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000000d 0<040>0[0 0 0 716 .b263e280] Control: 10c5387d Table: 16b2404a DAC: 00000051 0c000 00000000[0 0 0 07060.146023] Process cat (pid: 2000, stack limit = 0x21f8bf62) # [ 75<.06>1[0 3 0 57]6 .72f53937] Stack: (0xc47d9e30 to 0xc47da000) 0: 0000000d 0000<000>0[d 7 f7f6.260380] 9e20: f0976000 c6cd0000 0000000d c47d9f60 0000 00000004 00<000>0[0 0 17 6b270900] 9e40: c47d9e64 c47d9e50 c0c59d30 c13ce0b4 00000022 c6cd0000 c47d9e74 c47d9e68 6e0c000 00020000 <000>4[2 f e 378.281332] 9e60: c0c58f3c c0c59d14 c47d9e9c c47d9e78 c0c5943c c0c58f1c c0c5931c c6baec80 # [ 75.620907]< 07>f[e 0 : 76.291852] 9e80: b6dbd000 0000000d c5336480 c47d9f60 c47d9ec4 c47d9ea0 c07e29dc c0c59328 0000004 be8a67e<80 >b[6 e d 27363302456] 9ea0: 00000000 c6baec80 b6dbd000 c290d000 c47d9f60 c07e2978 c47d9f5c c47d9ec8 b b6e4b616 # [ <07>5[. 6 2 872.312889] 9ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c47d8000 16] Code: c58db7<200> [c 5 8 e756.323406] 9ee0: b6dbd000 00020000 00000004 0000000d 0001fff3 c47d9ee0 00000001 b6dbc000 6c 00000019 c58db[c ( e716.333925] 9f00: c42f0b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0c00d) # [ 75<.06>3[6 8 2 57].344445] 9f20: 00000000 00000000 c13e36b0 200a6b88 c206c220 c6baec80 c6baec80 c47d8000 ---[ end trace< 03>1[1 b 3 a7661354963] 9f40: b6dbd000 00000000 00000000 00000004 c47d9f94 c47d9f60 c059c9b0 c059c304 34d50291 ]--- <#0 >E[X E C _76K.365395] 9f60: 00000000 00000000 c47d9fac 200a6b88 0000000d 0000000d 7ff00000 00000004 ALLOC: missing 'ca [t r a c76.375829] 9f80: c03002e4 c47d8000 c47d9fa4 c47d9f98 c059ca40 c059c948 00000000 c47d9fa8 :': [FAIL] noo[k 3 27 6s.386432] 9fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dbd000 0000000d 00000001 lftests: lkdtm<:0 >E[X E C _7K6M.396865] 9fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dbd000 00020000 0045fe38 LLOC.sh # exit=1< 0 >#[ s e7l6f407298] 9fe0: 00000004 bec3b7e8 b6e8333b b6dfc616 60080030 00000001 00000000 00000000 tests: lkdtm: EC[_ V M A7L6L417724] Backtrace: OC.sh <0>[ 76.422443] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 76.431738] r7:c47d9f60 r6:0000000d r5:c6cd0000 r4:f0976000 <0>[ 76.437671] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.446288] r5:c6cd0000 r4:00000022 <0>[ 76.450138] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.458420] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.466608] r9:c47d9f60 r8:c5336480 r7:0000000d r6:b6dbd000 r5:c6baec80 r4:c0c5931c <0>[ 76.474628] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.482729] r9:c07e2978 r8:c47d9f60 r7:c290d000 r6:b6dbd000 r5:c6baec80 r4:00000000 <0>[ 76.490743] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.498149] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c47d8000 r5:c6baec80 <0>[ 76.506245] r4:c6baec80 <0>[ 76.509052] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.516456] r9:c47d8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 76.524472] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.532306] Exception stack(0xc47d9fa8 to 0xc47d9ff0) <0>[ 76.537627] 9fa0: 0000000d 0000000d 00000001 b6dbd000 0000000d 00000001 <0>[ 76.546073] 9fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dbd000 00020000 0045fe38 <0>[ 76.554517] 9fe0: 00000004 bec3b7e8 b6e8333b b6dfc616 <0>[ 76.559842] Code: bad PC value <4>[ 76.563240] ---[ end trace 311b3a6134d50292 ]--- # Segmentation fault # [ 76.059511] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.065357] lkdtm: attempting ok execution at c0c59cac # [ 76.073669] lkdtm: attempting bad execution at f0976000 # [ 76.082000] 8<--- cut here --- # [ 76.088142] Unable to handle kernel paging request at virtual address f0976000 # [ 76.098512] pgd = debe9da9 # [ 76.104339] [f0976000] *pgd=12958811, *pte=4b8f465f, *ppte=4b8f445f # [ 76.113748] Internal error: Oops: 8000000f [#6] SMP ARM # [ 76.122049] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 76.157054] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 76.167391] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.176008] PC is at 0xf0976000 # [ 76.181670] LR is at execute_location+0xa4/0xb4 # [ 76.188883] pc : [] lr : [] psr: 60080013 # [ 76.197317] sp : c47d9e30 ip : c47d9d38 fp : c47d9e4c # [ 76.204537] r10: 0000000d r9 : c1ad715c r8 : c15ec020 # [ 76.211757] r7 : c47d9f60 r6 : 00000001 r5 : f0976000 r4 : c0c59cac # [ 76.220195] r3 : 200a6b88 r2 : 200a6b88 r1 : ef7c05e0 r0 : 0000002b # [ 76.228892] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.238280] Control: 10c5387d Table: 16b2404a DAC: 00000051 # [ 76.246023] Process cat (pid: 2000, stack limit = 0x21f8bf62) # [ 76.253937] Stack: (0xc47d9e30 to 0xc47da000) # [ 76.260380] 9e20: f0976000 c6cd0000 0000000d c47d9f60 # [ 76.270900] 9e40: c47d9e64 c47d9e50 c0c59d30 c13ce0b4 00000022 c6cd0000 c47d9e74 c47d9e68 # [ 76.281332] 9e60: c0c58f3c c0c59d14 c47d9e9c c47d9e78 c0c5943c c0c58f1c c0c5931c c6baec80 # [ 76.291852] 9e80: b6dbd000 0000000d c5336480 c47d9f60 c47d9ec4 c47d9ea0 c07e29dc c0c59328 # [ 76.302456] 9ea0: 00000000 c6baec80 b6dbd000 c290d000 c47d9f60 c07e2978 c47d9f5c c47d9ec8 # [ 76.312889] 9ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c47d8000 # [ 76.323406] 9ee0: b6dbd000 00020000 00000004 0000000d 0001fff3 c47d9ee0 00000001 b6dbc000 # [ 76.333925] 9f00: c42f0b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.344445] 9f20: 00000000 00000000 c13e36b0 200a6b88 c206c220 c6baec80 c6baec80 c47d8000 # [ 76.354963] 9f40: b6dbd000 00000000 00000000 00000004 c47d9f94 c47d9f60 c059c9b0 c059c304 # [ 76.365395] 9f60: 00000000 00000000 c47d9fac 200a6b88 0000000d 0000000d 7ff00000 00000004 # [ 76.375829] 9f80: c03002e4 c47d8000 c47d9fa4 c47d9f98 c059ca40 c059c948 00000000 c47d9fa8 # [ 76.386432] 9fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dbd000 0000000d 00000001 # [ 76.396865] 9fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dbd000 00020000 0045fe38 # [ 76.407298] 9fe0: 00000004 bec3b7e8 b6e8333b b6dfc616 60080030 00000001 00000000 00000000 # [ 76.417724] Backtrace: # [ 76.422443] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 76.431738] r7:c47d9f60 r6:0000000d r5:c6cd0000 r4:f0976000 # [ 76.437671] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.446288] r5:c6cd0000 r4:00000022 # [ 76.450138] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.458420] [] (direct_entry) from [] (full_proxy_write+0x64/0x94)<6>[ 76.969038] lkdtm: Performing direct entry EXEC_RODATA # [ 76.466608] r9<:6c>4[7 d 76.975139] lkdtm: attempting ok execution at c0c59cac f60 r8:c5336480 r7:0000000d r6:b6<6>[ 76.982951] lkdtm: attempting bad execution at c15ec2bc dbd000 r5:c6baec80 r4:c0c5931c #<1>[ 76.991287] 8<--- cut here --- [ 76.474628<]1 >[[< c 0 77e62.997407] Unable to handle kernel paging request at virtual address c15ec2bc 78>] (full_px[y _ w r7i7t.e006884] pgd = 402cd1aa from [] (vfs_writ[ 77.011760] [c15ec2bc] *pgd=1141941e(bad) x10c/0x53c) # [ 7<60.>4[8 2 7 77.018638] Internal error: Oops: 8000000d [#7] SMP ARM 9] r9:c07e2978 r8:c47d9f60 r7:c2<4>[ 77.026376] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 90d000 r6:b6dbd000 r<45>:[c 6 b a7.061377] CPU: 2 PID: 2078 Comm: cat Tainted: G D W 5.10.218-cip49 #1 ec80 r4:0000<040>0[0 #7 7[. 071544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 76.490743] [] (s[ 77.080249] PC is at lkdtm_rodata_do_nothing+0x0/0x10 write) from []< 4(>k[s 77.088074] LR is at execute_location+0xa4/0xb4 s_write+0x7<44/>0[x e c )7 7 .#0 5286] pc : [] lr : [] psr: 60080013 [ 76.498<144>9[] r717.01:00634] sp : c6bb3e38 ip : c6bb3d40 fp : c6bb3e54 0000004 r9<:40>0[0 0 0 07070. 1r10854] r10: 0000000c r9 : c1ad716c r8 : c15ec020 :00000000 :[b 6 d b7d70.01018162] r7 : c6bb3f60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59cac r6:c47d8000 :[c 6 b7a7e.c186770] r3 : 8087203d r2 : 8087203d r1 : ef7ab5e0 r0 : 0000002b 0 # [ 76.5062<445>][ r 47:7.135381] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 6baec80 # [< 4 > [7 6 . 57079.0144856] Control: 10c5387d Table: 1688404a DAC: 00000051 2] [>][ ( k s7y7s._152770] Process cat (pid: 2078, stack limit = 0x68862f17) rite) from [<5[9 c a 4770.>160685] Stack: (0xc6bb3e38 to 0xc6bb4000) (sys_write+0x18/<00x>1[c ) 7#.167213] 3e20: 00000023 c47cf000 [ 76.516456] < 0r>9[: c 4 77d7.177732] 3e40: 0000000c c6bb3f60 c6bb3e64 c6bb3e58 c13ce334 c13ce0b4 c6bb3e74 c6bb3e68 000 r8:c03002e4 r7<:00>0[0 0 0 077.188251] 3e60: c0c58f3c c13ce31c c6bb3e9c c6bb3e78 c0c5943c c0c58f1c c0c5931c c6a9af00 4 r6:7ff00000 r5:00<000>0[0 0 d 7.198855] 3e80: b6dd6000 0000000c c5336480 c6bb3f60 c6bb3ec4 c6bb3ea0 c07e29dc c0c59328 r4:0000000d # [ < 07>6[. 5 274.209460] 3ea0: 00000000 c6a9af00 b6dd6000 c290d000 c6bb3f60 c07e2978 c6bb3f5c c6bb3ec8 472] [] <(0s>y[s _ w r77.219979] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6bb2000 te) from [c[0 > ] 7(7r230582] 3ee0: b6dd6000 00020000 00000004 0000000c 0001fff4 c6bb3ee0 00000001 b6dd5000 et_fast_syscal0[x 0 / 07x72.241014] 3f00: c43c0a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ) # [ 76.53230<60]> [E x c e7p.251447] 3f20: 00000000 00000000 c13e36b0 8087203d c206c220 c6a9af00 c6a9af00 c6bb2000 tion stack(0xc47f[a 8 t7o7.261966] 3f40: b6dd6000 00000000 00000000 00000004 c6bb3f94 c6bb3f60 c059c9b0 c059c304 0xc47d9ff0) # [ < 0 >7[6 . 5 377.272486] 3f60: 00000000 00000000 c6bb3fac 8087203d 0000000c 0000000c 7ff00000 00000004 627] 9fa0: < 0 > [ 7 .283003] 3f80: c03002e4 c6bb2000 c6bb3fa4 c6bb3f98 c059ca40 c059c948 00000000 c6bb3fa8 0000000d 0000<000>0[d 0 070.293521] 3fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6dd6000 0000000c 00000001 00001 b6dbd000 0<000>0[0 0 0 d7 7.304038] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dd6000 00020000 004cfe38 0000001 # [ 76.5<406>0[7 3 ] 7.314559] 3fe0: 00000004 beb5b7e8 b6e9c33b b6e15616 60080030 00000001 00000000 00000000 9fc0: 0000000d 0<000>0[0 0 0 d7 7.325156] Backtrace: ff00000 00000004 00000001 b<60d>b 77.329957] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) d000 00020000 004<50f>e[3 8 7#.341077] r7:c6bb3f60 r6:0000000c r5:c47cf000 r4:00000023 [ 76.554517] 9fe0: 0<000>0[0 0 77.349083] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) 04 bec3b7e8 b6e8333b d[f c 677.359948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 16 # [ 76.559842] Code: ba] (direct_entry) from [] (full_proxy_write+0x64/0x94) PC value # [ 76.<506>3[2 4 0 ]7.381244] r9:c6bb3f60 r8:c5336480 r7:0000000c r6:b6dd6000 r5:c6a9af00 r4:c0c5931c ---[ end trace 311b3a6134d5<002>[ 77.391419] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 2 ]--- # EXEC_VML[O C : 7m.402106] r9:c07e2978 r8:c6bb3f60 r7:c290d000 r6:b6dd6000 r5:c6a9af00 r4:00000000 issing 'call trace:'<:0 >[[F A I 77.412192] [] (vfs_write) from [] (ksys_write+0x74/0xec) ] not ok 33 selt[e s t s7:7 421841] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c6bb2000 r5:c6a9af00 lkdtm: EXEC<_0V>M[A L L O7C7..s4h1922] r4:c6a9af00 # exit=1 # selftes:[ l k 77.436543] [] (ksys_write) from [] (sys_write+0x18/0x1c) tm: EXEC_RODATA.s [ 77.446192] r9:c6bb2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 77.455933] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.463768] Exception stack(0xc6bb3fa8 to 0xc6bb3ff0) <0>[ 77.469089] 3fa0: 0000000c 0000000c 00000001 b6dd6000 0000000c 00000001 <0>[ 77.477536] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dd6000 00020000 004cfe38 <0>[ 77.485980] 3fe0: 00000004 beb5b7e8 b6e9c33b b6e15616 <0>[ 77.491302] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 77.497668] ---[ end trace 311b3a6134d50293 ]--- # Segmentation fault # [ 76.969038] lkdtm: Performing direct entry EXEC_RODATA # [ 76.975139] lkdtm: attempting ok execution at c0c59cac # [ 76.982951] lkdtm: attempting bad execution at c15ec2bc # [ 76.991287] 8<--- cut here --- # [ 76.997407] Unable to handle kernel paging request at virtual address c15ec2bc # [ 77.006884] pgd = 402cd1aa # [ 77.011760] [c15ec2bc] *pgd=1141941e(bad) # [ 77.018638] Internal error: Oops: 8000000d [#7] SMP ARM # [ 77.026376] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 77.061377] CPU: 2 PID: 2078 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 77.071544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.080249] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.088074] LR is at execute_location+0xa4/0xb4 # [ 77.095286] pc : [] lr : [] psr: 60080013 # [ 77.103634] sp : c6bb3e38 ip : c6bb3d40 fp : c6bb3e54 # [ 77.110854] r10: 0000000c r9 : c1ad716c r8 : c15ec020 # [ 77.118162] r7 : c6bb3f60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59cac # [ 77.126770] r3 : 8087203d r2 : 8087203d r1 : ef7ab5e0 r0 : 0000002b # [ 77.135381] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.144856] Control: 10c5387d Table: 1688404a DAC: 00000051 # [ 77.152770] Process cat (pid: 2078, stack limit = 0x68862f17) # [ 77.160685] Stack: (0xc6bb3e38 to 0xc6bb4000) # [ 77.167213] 3e20: 00000023 c47cf000 # [ 77.177732] 3e40: 0000000c c6bb3f60 c6bb3e64 c6bb3e58 c13ce334 c13ce0b4 c6bb3e74 c6bb3e68 # [ 77.188251] 3e60: c0c58f3c c13ce31c c6bb3e9c c6bb3e78 c0c5943c c0c58f1c c0c5931c c6a9af00 # [ 77.198855] 3e80: b6dd6000 0000000c c5336480 c6bb3f60 c6bb3ec4 c6bb3ea0 c07e29dc c0c59328 # [ 77.209460] 3ea0: 00000000 c6a9af00 b6dd6000 c290d000 c6bb3f60 c07e2978 c6bb3f5c c6bb3ec8 # [ 77.219979] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6bb2000 # [ 77.230582] 3ee0: b6dd6000 00020000 00000004 0000000c 0001fff4 c6bb3ee0 00000001 b6dd5000 # [ 77.241014] 3f00: c43c0a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.251447] 3f20: 00000000 00000000 c13e36b0 8087203d c206c220 c6a9af00 c6a9af00 c6bb2000 # [ 77.261966] 3f40: b6dd6000 00000000 00000000 00000004 c6bb3f94 c6bb3f60 c059c9b0 c059c304 # [ 77.272486] 3f60: 00000000 00000000 c6bb3fac 8087203d 0000000c 0000000c 7ff00000 00000004 # [ 77.283003] 3f80: c03002e4 c6bb2000 c6bb3fa4 c6bb3f98 c059ca40 c059c948 00000000 c6bb3fa8 # [ 77.293521] 3fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6dd6000 0000000c 00000001 # [ 77.304038] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dd6000 00020000 004cfe38 # [ 77.314559] 3fe0: 00000004 beb5b7e8 b6e9c33b b6e15616 60080030 00000001 00000000 00000000 # [ 77.325156] Backtrace: # [ 77.329957] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 77.341077] r7:c6bb3f60 r6:0000000c r5:c47cf000 r4:00000023 # [ 77.349083] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.359948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.370471] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.381244] r9:c6bb3f60 r8:c5336480 r7:0000000c r6:b6dd6000 r5:c<6>[ 77.944863] lkdtm: Performing direct entry EXEC_USERSPACE 6a9af00 r4:c0c5931c # [ 77.391<6>[ 77.952023] lkdtm: attempting ok execution at c0c59cac 419] [] (full_proxy_wri<6>[ 77.960973] lkdtm: attempting bad execution at b6f9b000 te) from [>][ ( v f77.968631] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f9b000 _write+0x10c/0x53 [ # [7 .978197] Internal error: : b [#8] SMP ARM 77.402106] r9:c07e2978 r8:c6bb<4>[ 77.984809] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 3f60 r7:c290d000 r6:d[d 6 0 78.019811] CPU: 2 PID: 2155 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0 r5:c6a9af0<04 >r[4 : 0 07080.0030064] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 # [ 77.412192] <[4<>c[0 5 978.038764] PC is at 0xb6f9b000 c2f8>] (vfs_write) from [<<4c>0[5 78.044425] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 9c9b0>] (ks_[w r i t7e8+.00x1983] pc : [] lr : [] psr: 60000013 74/0xec) < 4#> [[ 7787..0462331] sp : c6c09e48 ip : c6c09d50 fp : c6c09e64 1841] r10:0<040>0[0 0 0 748 .r097551] r10: 0000000f r9 : c1ad7178 r8 : c15ec020 :00000000 r<84:>0[0 0 0 07080.00 4858] r7 : c6c09f60 r6 : 0000000f r5 : c6c64000 r4 : b6f9b000 r7:b6dd60<040> [r 6 : c768b.b0280467] r3 : 4c40e8f2 r2 : 4c40e8f2 r1 : ef7ab5e0 r0 : 0000002b 00 r5:c6a9af0<04 > [# [7 8 . 091990] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 7.431922] r<44:>c[6 a 9 a7f80.0101292] Control: 10c5387d Table: 16c9804a DAC: 00000051 # [ 77.43654<30]> [[ < c 07589109210] Process cat (pid: 2155, stack limit = 0x10d726b5) c93c>] (ksys<_0w>r[i t e )7 8f.r117209] Stack: (0xc6c09e48 to 0xc6c0a000) m [] (syw[r i t e78.123739] 9e40: 00000001 00000000 0000000f 00000024 c6c09e74 c6c09e68 0x18/0x1c) # [ 77<.04>4[6 1 9 78.134346] 9e60: c0c58f3c c0c59d48 c6c09e9c c6c09e78 c0c5943c c0c58f1c c0c5931c c429aa00 ] r9:c6bb2000 r8:c<003>0[0 2 e 48.145037] 9e80: b6e60000 0000000f c5336480 c6c09f60 c6c09ec4 c6c09ea0 c07e29dc c0c59328 r7:00000004 r6:70[0 0 0 07 .155641] 9ea0: 00000000 c429aa00 b6e60000 c290d000 c6c09f60 c07e2978 c6c09f5c c6c09ec8 r5:0000000c r4:00<000>0[0 0 c 7 .166161] 9ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6c08000 # [ 77.455933] <[0<>c[0 5 9 c7a.176678] 9ee0: b6e60000 00020000 00000004 0000000f 0001fff1 c6c09ee0 00000001 b6e5f000 28>] (sys_write) o[m [ <7c.187196] 9f00: c43c17c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 03000c0>] (ret_fa_[s y s c7a.197715] 9f20: 00000000 00000000 c13e36b0 4c40e8f2 c206c220 c429aa00 c429aa00 c6c08000 ll+0x0/0x28) # [ < 0 >7[7 . 4 678.208233] 9f40: b6e60000 00000000 00000000 00000004 c6c09f94 c6c09f60 c059c9b0 c059c304 768] Exception sc[k ( 0 x7c8.218839] 9f60: 00000000 00000000 c6c09fac 4c40e8f2 0000000f 0000000f 7ff00000 00000004 bb3fa8 to 0xc6bb3ff0<)0 > [# [ 78.229360] 9f80: c03002e4 c6c08000 c6c09fa4 c6c09f98 c059ca40 c059c948 00000000 c6c09fa8 77.469089] 3fa0<:0 > [ 7 .240050] 9fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e60000 0000000f 00000001 0000<000>0[c 0 0708.250567] 9fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e60000 00020000 0050fe38 000c 00000001 b66[0 0 0 708.261085] 9fe0: 00000004 bea137e8 b6f2633b b6e9f616 60080030 00000001 00000000 00000000 00000c 00000001 <#0 >[[ 777.271598] Backtrace: .477536] 3fc0: 0000000c <000>0[0 78.276397] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) 00c 7ff00000 000<000>0[0 4 0708.287603] r4:00000024 00001 b6dd6000 0002000<00 >0[0 4 78.292486] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) fe38 # [ 77.485980] 3fe0: 0<00>[ 78.303096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00004 beb5b7e8 b6e<90c>3[3 b b78.313953] r9:c6c09f60 r8:c5336480 r7:0000000f r6:b6e60000 r5:c429aa00 r4:c0c5931c e15616 # [ 77.491302] Cod[ 78.324131] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 5f727563 6e75<60f>6[3 0 07080.034815] r9:c07e2978 r8:c6c09f60 r7:c290d000 r6:b6e60000 r5:c429aa00 r4:00000000 074 aa55aa55 (e1a0c00 [ #78.344731] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 77.497668] ---<[0 >e[n d 78.354379] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6c08000 r5:c429aa00 race 311a[6 1 3 47d85.032694631] r4:c429aa00 ]--- # EXEC_RODATA: s[s i 78.369169] [] (ksys_write) from [] (sys_write+0x18/0x1c) g 'call trace:'<:0 >[[F A I L7]8 378903] r9:c6c08000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f not ok 34 selftests: lkm[: 78.388904] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) EXEC_RODATA<.0s>h[ # e7x8i.t3=9154] Exception stack(0xc6c09fa8 to 0xc6c09ff0) 1 # selftests<:0 >l[k d t m7:8 .406291] 9fa0: 0000000f 0000000f 00000001 b6e60000 0000000f 00000001 XEC_USERSPACE.sh< 0 >[ 78.416723] 9fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e60000 00020000 0050fe38 <0>[ 78.426718] 9fe0: 00000004 bea137e8 b6f2633b b6e9f616 <0>[ 78.432044] Code: bad PC value <4>[ 78.435373] ---[ end trace 311b3a6134d50294 ]--- <3>[ 104.458971] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 104.464829] rcu: 0-....: (1 GPs behind) idle=bba/1/0x40000004 softirq=5031/5032 fqs=999 <4>[ 104.473274] (t=2602 jiffies g=6525 q=36) <4>[ 104.477553] NMI backtrace for cpu 0 <4>[ 104.481312] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 104.489582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.496375] Backtrace: <4>[ 104.499108] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.506947] r7:ffffffff r6:600e0193 r5:00000000 r4:c1f1d0d8 <4>[ 104.512879] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.520464] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 104.528564] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 104.536580] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 104.546500] r5:c1e16800 r4:c03115d8 <4>[ 104.550354] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 104.561234] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 104.569250] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 104.579439] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 104.588754] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 104.596848] r4:c1ea9500 <4>[ 104.599658] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 104.608799] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:51b49814 r6:c1e01d28 r5:c1e00000 <4>[ 104.616894] r4:00000000 <4>[ 104.619702] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 104.628665] r5:00000018 r4:ef786f68 <4>[ 104.632513] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 104.641136] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 104.650190] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 104.658205] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 104.667346] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:51b492de r6:00000018 r5:600e0193 <4>[ 104.675440] r4:ef7869c0 <4>[ 104.678252] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 104.686439] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 104.694533] r4:00000001 <4>[ 104.697344] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 104.706135] r5:c2973700 r4:c295b400 <4>[ 104.709984] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 104.719385] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 104.727401] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 104.736022] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 104.744034] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 104.751783] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 104.757106] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 104.765553] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 104.773996] 1d60: c0478294 c0301f18 600e0113 ffffffff <4>[ 104.779317] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:600e0113 r4:c0301f18 <4>[ 104.787332] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 104.795517] r10:00000012 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 104.803611] r4:ffffe000 <4>[ 104.806415] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 104.814076] r5:00000000 r4:c1dad49c <4>[ 104.817921] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 104.826020] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 104.834640] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 104.842653] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 104.850400] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 104.855721] 1e60: c1002c1c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 104.864167] 1e80: c1e15d98 c206c280 00000012 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002c20 <4>[ 104.872610] 1ea0: 600e0013 ffffffff <4>[ 104.876368] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:600e0013 r4:c1002c20 <4>[ 104.884387] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 104.892923] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 104.901018] r4:ef78cb78 <4>[ 104.903829] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 104.911492] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 104.917421] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 104.925259] r10:c4f5bba3 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 104.933353] r4:000000dc <4>[ 104.936162] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 104.944359] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 104.952542] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 104.957433] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 104.966056] [] (start_kernel) from [<00000000>] (0x0) # Segmentation fault # not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # TIMEOUT 45 seconds # selftests: lkdtm: EXEC_NULL.sh <6>[ 123.122143] lkdtm: Performing direct entry EXEC_NULL <6>[ 123.127393] lkdtm: attempting ok execution at c0c59cac <6>[ 123.132895] lkdtm: attempting bad execution at 00000000 <1>[ 123.138401] 8<--- cut here --- <1>[ 123.141827] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 123.150269] pgd = d65e8a69 <1>[ 123.153254] [00000000] *pgd=00000000 <0>[ 123.157135] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 123.162631] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 <4>[ 123.194988] CPU: 2 PID: 2223 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 123.202997] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 123.209797] PC is at 0x0 <4>[ 123.212606] LR is at execute_location+0xa4/0xb4 <4>[ 123.217405] pc : [<00000000>] lr : [] psr: 60080013 <4>[ 123.223938] sp : c438fe38 ip : 00000027 fp : c438fe54 <4>[ 123.229429] r10: 0000000a r9 : c1ad7188 r8 : c15ec020 <4>[ 123.234921] r7 : c438ff60 r6 : 00000000 r5 : 00000000 r4 : c0c59cac <4>[ 123.241714] r3 : be3ca031 r2 : be3ca031 r1 : ef7ab5e4 r0 : 0000002b <4>[ 123.248510] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 123.255912] Control: 10c5387d Table: 16bd404a DAC: 00000051 <0>[ 123.261925] Process cat (pid: 2223, stack limit = 0x997d364d) <0>[ 123.267939] Stack: (0xc438fe38 to 0xc4390000) <0>[ 123.272563] fe20: 00000025 c47cf000 <0>[ 123.281011] fe40: 0000000a c438ff60 c438fe64 c438fe58 c13ce358 c13ce0b4 c438fe74 c438fe68 <0>[ 123.289459] fe60: c0c58f3c c13ce344 c438fe9c c438fe78 c0c5943c c0c58f1c c0c5931c c6a33540 <0>[ 123.297905] fe80: b6db3000 0000000a c5336480 c438ff60 c438fec4 c438fea0 c07e29dc c0c59328 <0>[ 123.306354] fea0: 00000000 c6a33540 b6db3000 c290d000 c438ff60 c07e2978 c438ff5c c438fec8 <0>[ 123.314801] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c438e000 <0>[ 123.323250] fee0: b6db3000 00020000 00000004 0000000a 0001fff6 c438fee0 00000001 b6db2000 <0>[ 123.331695] ff00: c43c1a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 123.340143] ff20: 00000000 00000000 c13e36b0 be3ca031 c206c220 c6a33540 c6a33540 c438e000 <0>[ 123.348590] ff40: b6db3000 00000000 00000000 00000004 c438ff94 c438ff60 c059c9b0 c059c304 <0>[ 123.357037] ff60: 00000000 00000000 c438ffac be3ca031 0000000a 0000000a 7ff00000 00000004 <0>[ 123.365484] ff80: c03002e4 c438e000 c438ffa4 c438ff98 c059ca40 c059c948 00000000 c438ffa8 <0>[ 123.373932] ffa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6db3000 0000000a 00000001 <0>[ 123.382378] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db3000 00020000 0041fe38 <0>[ 123.390826] ffe0: 00000004 bee5c7e8 b6e7933b b6df2616 60080030 00000001 00000000 00000000 <0>[ 123.399266] Backtrace: <0>[ 123.401994] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 123.410441] r7:c438ff60 r6:0000000a r5:c47cf000 r4:00000025 <0>[ 123.416376] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 123.424739] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 123.433019] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 123.441206] r9:c438ff60 r8:c5336480 r7:0000000a r6:b6db3000 r5:c6a33540 r4:c0c5931c <0>[ 123.449226] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 123.457325] r9:c07e2978 r8:c438ff60 r7:c290d000 r6:b6db3000 r5:c6a33540 r4:00000000 <0>[ 123.465341] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 123.472747] r10:00000004 r9:00000000 r8:00000000 r7:b6db3000 r6:c438e000 r5:c6a33540 <0>[ 123.480842] r4:c6a33540 <0>[ 123.483648] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 123.491054] r9:c438e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 123.499069] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 123.506904] Exception stack(0xc438ffa8 to 0xc438fff0) <0>[ 123.512224] ffa0: 0000000a 0000000a 00000001 b6db3000 0000000a 00000001 <0>[ 123.520670] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db3000 00020000 0041fe38 <0>[ 123.529113] ffe0: 00000004 bee5c7e8 b6e7933b b6df2616 <0>[ 123.534436] Code: bad PC value <4>[ 123.537841] ---[ end trace 311b3a6134d50295 ]--- # Segmentation fault # [ 123.122143] lkdtm: Performing direct entry EXEC_NULL # [ 123.127393] lkdtm: attempting ok execution at c0c59cac # [ 123.132895] lkdtm: attempting bad execution at 00000000 # [ 123.138401] 8<--- cut here --- # [ 123.141827] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 123.150269] pgd = d65e8a69 # [ 123.153254] [00000000] *pgd=00000000 # [ 123.157135] Internal error: Oops: 80000005 [#9] SMP ARM # [ 123.162631] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 123.194988] CPU: 2 PID: 2223 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 123.202997] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.209797] PC is at 0x0 # [ 123.212606] LR is at execute_location+0xa4/0xb4 # [ 123.217405] pc : [<00000000>] lr : [] psr: 60080013 # [ 123.223938] sp : c438fe38 ip : 00000027 fp : c438fe54 # [ 123.229429] r10: 0000000a r9 : c1ad7188 r8 : c15ec020 # [ 123.234921] r7 : c438ff60 r6 : 00000000 r5 : 00000000 r4 : c0c59cac # [ 123.241714] r3 : be3ca031 r2 : be3ca031 r1 : ef7ab5e4 r0 : 0000002b # [ 123.248510] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 123.255912] Control: 10c5387d Table: 16bd404a DAC: 00000051 # [ 123.261925] Process cat (pid: 2223, stack limit = 0x997d364d) # [ 123.267939] Stack: (0xc438fe38 to 0xc4390000) # [ 123.272563] fe20: 00000025 c47cf000 # [ 123.281011] fe40: 0000000a c438ff60 c438fe64 c438fe58 c13ce358 c13ce0b4 c438fe74 c438fe68 # [ 123.289459] fe60: c0c58f3c c13ce344 c438fe9c c438fe78 c0c5943c c0c58f1c c0c5931c c6a33540 # [ 123.297905] fe80: b6db3000 0000000a c5336480 c438ff60 c438fec4 c438fea0 c07e29dc c0c59328 # [ 123.306354] fea0: 00000000 c6a33540 b6db3000 c290d000 c438ff60 c07e2978 c438ff5c c438fec8 # [ 123.314801] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c438e000 # [ 123.323250] fee0: b6db3000 00020000 00000004 0000000a 0001fff6 c438fee0 00000001 b6db2000 # [ 123.331695] ff00: c43c1a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 123.340143] ff20: 00000000 00000000 c13e36b0 be3ca031 c206c220 c6a33540 c6a33540 c438e000 # [ 123.348590] ff40: b6db3000 00000000 00000000 00000004 c438ff94 c438ff60 c059c9b0 c059c304 # [ 123.357037] ff60: 00000000 00000000 c438ffac be3ca031 0000000a 0000000a 7ff00000 00000004 # [ 123.365484] ff80: c03002e4 c438e000 c438ffa4 c438ff98 c059ca40 c059c948 00000000 c438ffa8 # [ 123.373932] ffa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6db3000 0000000a 00000001 # [ 123.382378] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6db3000 00020000 0041fe38 # [ 123.390826] ffe0: 00000004 bee5c7e8 b6e7933b b6df2616 60080030 00000001 00000000 00000000 # [ 123.399266] Backtrace: # [ 123.401994] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 123.410441] r7:c438ff60 r6:0000000a r5:c47cf000 r4:00000025 # [ 123.416376] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.424739] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.433019] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.441206] r9:c438ff60 r8:c5336480 r7:0000000a r6:b6db3000 r5:c6a33540 r4:c0c<6>[ 123.973139] lkdtm: Performing direct entry ACCESS_USERSPACE 5931c # [ 123.449226] [[ 123.979538] lkdtm: attempting bad read at b6fc6000 8>] (full_proxy_write) from [[ 123.987170] 8<--- cut here --- 9c404>] (vfs_wrie[+ 0 x11203c993329] Unhandled fault: page domain fault (0x01b) at 0xb6fc6000 /0x53c) # [ 123.457325] < 1r>9[ 124.001950] pgd = 42f34e56 c07e2978 r8:c438ff60 r7:c290d000 <1>[ 124.007438] [b6fc6000] *pgd=4956c831 r6:b6db3000 r5:c6a33540 r4:0000000>[ 124.014155] Internal error: : 1b [#10] SMP ARM 00 # [ 123.465341] []<4>[ 124.021635] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 (vfs_write) from [] (k<4>[ 124.056652] CPU: 1 PID: 2300 Comm: cat Tainted: G D W 5.10.218-cip49 #1 sys_write+0x74/0xec) #< 4[> [ 1124.067516] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 23.472747] r10:00000004 r9:00000<4>[ 124.076672] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 000 r8:00000000 r7:b6db3000< 4r>6 124.085015] LR is at 0x0 :c438e000 r5:c6a33540 < 4#> [[ 124.090331] pc : [] lr : [<00000000>] psr: 60080013 123.480842] r4:c6a<343>5[4 0 1 4.099208] sp : c68b1e38 ip : 00000027 fp : c68b1e64 # [ 123.483648] [c[9 3 c24.106872] r10: 00000011 r9 : c1ad7194 r8 : c15ec020 >] (ksys_write) from <[4<>c[0 5 924.114619] r7 : c68b1f60 r6 : 00000051 r5 : c68b0000 r4 : b6fc6000 ca40>] (sys_write+0x1<84/>0[x 1 c24.123671] r3 : 03738b5a r2 : 03738b5a r1 : ef7965e4 r0 : 00000026 ) # [ 123.491054] r9:c<443>8[e 124.132726] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000 r8:c03002e4 r7:000<040>[0 0 424.142554] Control: 10c5387d Table: 16c9804a DAC: 00000051 r6:7ff00000 r5:0000000r[4 :124.150826] Process cat (pid: 2300, stack limit = 0x2c107a89) 0000000a # [ 123.4990<609>][ [124.159182] Stack: (0xc68b1e38 to 0xc68b2000) ] (sys_write) fro[ 124.166154] 1e20: 00000022 00000000 ] (ret_fast_syscall+0x0<0>[ 124.177121] 1e40: 00000000 03738b5a c68b1e6c 00000026 c47c5000 00000011 c68b1e74 c68b1e68 /0x28) # [ 123.506904] Exceptio<0>[ 124.188428] 1e60: c0c58f3c c0c59e1c c68b1e9c c68b1e78 c0c5943c c0c58f1c c0c5931c c5e9adc0 n stack(0xc438ffa8 to 0xc438fff<0>[ 124.199735] 1e80: b6e8b000 00000011 c5336480 c68b1f60 c68b1ec4 c68b1ea0 c07e29dc c0c59328 ) # [ 123.512224] ffa0: <0>[ 124.210869] 1ea0: 00000000 c5e9adc0 b6e8b000 c290d000 c68b1f60 c07e2978 c68b1f5c c68b1ec8 0000000a 0000000a 00000>[ 124.222092] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c68b0000 0001 b6db3000 0000000a 00000001 <0>[ 124.233311] 1ee0: b6e8b000 00020000 00000004 00000011 0001ffef c68b1ee0 00000001 b6e8a000 # [ 123.520670] ffc0: 0000000a <0>[ 124.244531] 1f00: c6a33040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000000a 7ff00000 00000004 000000<0>[ 124.255752] 1f20: 00000000 00000000 c13e36b0 03738b5a c206c220 c5e9adc0 c5e9adc0 c68b0000 1 b6db3000 00020000 0041fe38 # <0>[ 124.266973] 1f40: b6e8b000 00000000 00000000 00000004 c68b1f94 c68b1f60 c059c9b0 c059c304 123.529113] ffe0: 00000004 bee<0>[ 124.278195] 1f60: 00000000 00000000 c68b1fac 03738b5a 00000011 00000011 7ff00000 00000004 c7e8 b6e7933b b6df2616 # [ 123<0>[ 124.289416] 1f80: c03002e4 c68b0000 c68b1fa4 c68b1f98 c059ca40 c059c948 00000000 c68b1fa8 534436] Code: bad PC value # [ <0>[ 124.300637] 1fa0: c03000c0 c059ca34 00000011 00000011 00000001 b6e8b000 00000011 00000001 123.537841] ---[ end trace 311b3<0>[ 124.311858] 1fc0: 00000011 00000011 7ff00000 00000004 00000001 b6e8b000 00020000 004cfe38 6134d50295 ]--- # EXEC_NULL: mis0>[ 124.323080] 1fe0: 00000004 be9e67e8 b6f5133b b6eca616 60080030 00000001 00000000 00000000 sing 'call trace:': [FAIL] not< >[ 124.334286] Backtrace: ok 36 selftests: lkdtm: EXEC_NULL<0>[ 124.339720] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) .sh # exit=1 # selftests: l[ 124.351534] r6:00000011 r5:c47c5000 r4:00000026 m: ACCESS_USERSPACE.sh <0>[ 124.359027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 124.369387] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 124.377600] r9:c68b1f60 r8:c5336480 r7:00000011 r6:b6e8b000 r5:c5e9adc0 r4:c0c5931c <0>[ 124.385650] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 124.393778] r9:c07e2978 r8:c68b1f60 r7:c290d000 r6:b6e8b000 r5:c5e9adc0 r4:00000000 <0>[ 124.401818] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 124.409248] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c68b0000 r5:c5e9adc0 <0>[ 124.417360] r4:c5e9adc0 <0>[ 124.420194] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 124.427623] r9:c68b0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 <0>[ 124.435667] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 124.443520] Exception stack(0xc68b1fa8 to 0xc68b1ff0) <0>[ 124.448864] 1fa0: 00000011 00000011 00000001 b6e8b000 00000011 00000001 <0>[ 124.457337] 1fc0: 00000011 00000011 7ff00000 00000004 00000001 b6e8b000 00020000 004cfe38 <0>[ 124.465800] 1fe0: 00000004 be9e67e8 b6f5133b b6eca616 <0>[ 124.471146] Code: e1a01004 e30800b8 e34c01ad eb1da4d0 (e5943000) <4>[ 124.477534] ---[ end trace 311b3a6134d50296 ]--- # Segmentation fault # [ 123.973139] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 123.979538] lkdtm: attempting bad read at b6fc6000 # [ 123.987170] 8<--- cut here --- # [ 123.993329] Unhandled fault: page domain fault (0x01b) at 0xb6fc6000 # [ 124.001950] pgd = 42f34e56 # [ 124.007438] [b6fc6000] *pgd=4956c831 # [ 124.014155] Internal error: : 1b [#10] SMP ARM # [ 124.021635] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 124.056652] CPU: 1 PID: 2300 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 124.067516] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.076672] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 124.085015] LR is at 0x0 # [ 124.090331] pc : [] lr : [<00000000>] psr: 60080013 # [ 124.099208] sp : c68b1e38 ip : 00000027 fp : c68b1e64 # [ 124.106872] r10: 00000011 r9 : c1ad7194 r8 : c15ec020 # [ 124.114619] r7 : c68b1f60 r6 : 00000051 r5 : c68b0000 r4 : b6fc6000 # [ 124.123671] r3 : 03738b5a r2 : 03738b5a r1 : ef7965e4 r0 : 00000026 # [ 124.132726] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 124.142554] Control: 10c5387d Table: 16c9804a DAC: 00000051 # [ 124.150826] Process cat (pid: 2300, stack limit = 0x2c107a89) # [ 124.159182] Stack: (0xc68b1e38 to 0xc68b2000) # [ 124.166154] 1e20: 00000022 00000000 # [ 124.177121] 1e40: 00000000 03738b5a c68b1e6c 00000026 c47c5000 00000011 c68b1e74 c68b1e68 # [ 124.188428] 1e60: c0c58f3c c0c59e1c c68b1e9c c68b1e78 c0c5943c c0c58f1c c0c5931c c5e9adc0 # [ 124.199735] 1e80: b6e8b000 00000011 c5336480 c68b1f60 c68b1ec4 c68b1ea0 c07e29dc c0c59328 # [ 124.210869] 1ea0: 00000000 c5e9adc0 b6e8b000 c290d000 c68b1f60 c07e2978 c68b1f5c c68b1ec8 # [ 124.222092] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c68b0000 # [ 124.233311] 1ee0: b6e8b000 00020000 00000004 00000011 0001ffef c68b1ee0 00000001 b6e8a000 # [ 124.244531] 1f00: c6a33040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 124.255752] 1f20: 00000000 00000000 c13e36b0 03738b5a c206c220 c5e9adc0 c5e9adc0 c68b0000 # [ 124.266973] 1f40: b6e8b000 00000000 00000000 00000004 c68b1f94 c68b1f60 c059c9b0 c059c304 # [ 124.278195] 1f60: 00000000 00000000 c68b1fac 03738b5a 00000011 00000011 7ff00000 00000004 # [ 124.289416] 1f80: c03002e4 c68b0000 c68b1fa4 c68b1f98 c059ca40 c059c948 00000000 c68b1fa8 # [ 124.300637] 1fa0: c03000c0 c059ca34 00000011 00000011 00000001 b6e8b000 00000011 00000001 # [ 124.311858] 1fc0: 00000011 00000011 7ff00000 00000004 00000001 b6e8b000 00020000 004cfe38 # [ 124.323080] 1fe0: 00000004 be9e67e8 b6f5133b b6eca616 60080030 00000001 00000000 00000000 # [ 124.334286] Backtrace: # [ 124.339720] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.351534] r6:00000011 r5:c47c5000 r4:00000026 # [ 124.359027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.369387] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.377600] r9:c68b1f60 r8:c5336480 r7:00000011 r6:b6e8b000 r5:c5e9adc0 r4:c0c5931c # [ 124.385650] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 124.393778] r9:c07e2978 r8:c68b1f60 r7:c290d000 r6:b6e8b000 r5:c5e9adc0 r4:00000000 # [ 124.401818] [] (vfs_write) from [] (ksys_w<6>[ 124.924378] lkdtm: Performing direct entry ACCESS_NULL rite+0x74/0xec) # [ 124.409248]<6>[ 124.930783] lkdtm: attempting bad read at 00000000 r10:00000004 r9:00000000 r8:000<1>[ 124.938662] 8<--- cut here --- 00000 r7:b6e8b000 r6:c68b0000 r5:<1>[ 124.944954] Unable to handle kernel NULL pointer dereference at virtual address 00000000 c5e9adc0 # [ 124.417360] r4:c5<1>[ 124.956107] pgd = 8003b575 e9adc0 # [ 124.420194] [[ 124.961935] [00000000] *pgd=00000000 3c>] (ksys_write) from [[ 124.968604] Internal error: Oops: 5 [#11] SMP ARM >] (sys_write+0x18/0x1c) # [ 12<4>[ 124.976411] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 4.427623] r9:c68b0000< 4r>8[: c 125.011417] CPU: 2 PID: 2376 Comm: cat Tainted: G D W 5.10.218-cip49 #1 3002e4 r7:00<040>0[0 0 41 2r56.:021756] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ff00000 r5:00000011 r4:000000<141[ 125.030466] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 124.435667<]4 >[[< c 10255.037938] LR is at 0x0 ca28>] (sys_wt[e ) 1f2r5o.m42811] pc : [] lr : [<00000000>] psr: 60080013 [0[> ] 1(2r5e.t0_5f1244] sp : c6c41e50 ip : 00000027 fp : c6c41e64 st_syscall+0/[0 x 12285). 0 8466] r10: 0000000c r9 : c1ad71a8 r8 : c15ec020 # [ 124.4<443>5[2 0 ]1 2E5x.c0e65770] r7 : c6c41f60 r6 : 0000000c r5 : c47cf000 r4 : 00000000 tion stack(<04x>c[6 8 b112f5a.80 4382] r3 : 45ca1b39 r2 : 45ca1b39 r1 : ef7ab5e4 r0 : 00000026 to 0xc68b1ff0)< 4> [# [1 2 51.282992] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 4.448864] 10[: 1 2 5 . 0 2295] Control: 10c5387d Table: 16a8c04a DAC: 00000051 0000<000>1[1 010205.100126] Process cat (pid: 2376, stack limit = 0xe0fd27d2) 0011 00000001< 0b>6[e 8 b102050. 08211] Stack: (0xc6c41e50 to 0xc6c42000) 00000011 0000000<10 >[ # 1[2 5 114739] 1e40: 00000027 c47cf000 c6c41e74 c6c41e68 124.457337] 1fc<00:> [0 0 0102050125173] 1e60: c0c58f3c c13ce368 c6c41e9c c6c41e78 c0c5943c c0c58f1c c0c5931c c4303a40 11 00000011 7ff0<000>0[0 010205.135605] 1e80: b6e82000 0000000c c5336480 c6c41f60 c6c41ec4 c6c41ea0 c07e29dc c0c59328 0004 00000001 b6e80[0 01025.146124] 1ea0: 00000000 c4303a40 b6e82000 c290d000 c6c41f60 c07e2978 c6c41f5c c6c41ec8 20000 004cfe38 #< 0[> [ 1 2142..156731] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6c40000 465800] 1fe0: 000<000>0[0 4 1b2e.167249] 1ee0: b6e82000 00020000 00000004 0000000c 0001fff4 c6c41ee0 00000001 b6e81000 9e67e8 b6f5133b b6a[6 1 61 25.177768] 1f00: c4287180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 124.471146] d[e : 1e21.188374] 1f20: 00000000 00000000 c13e36b0 45ca1b39 c206c220 c4303a40 c4303a40 c6c40000 a01004 e30800b8 e<304>c[0 1 a1d2 .198892] 1f40: b6e82000 00000000 00000000 00000004 c6c41f94 c6c41f60 c059c9b0 c059c304 eb1da4d0 (e59430<000>)[ 1#2 5.209413] 1f60: 00000000 00000000 c6c41fac 45ca1b39 0000000c 0000000c 7ff00000 00000004 124.477534] --<-0[> [e n d1 2t5.219930] 1f80: c03002e4 c6c40000 c6c41fa4 c6c41f98 c059ca40 c059c948 00000000 c6c41fa8 ace 311b3a6134d50<209>6[ ] -1-2-.230450] 1fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e82000 0000000c 00000001 # ACCESS_USERA[C E :1 2m5i240968] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e82000 00020000 0042fe38 ssing 'call trac'[: [1F2A5.251401] 1fe0: 00000004 bea7b7e8 b6f4833b b6ec1616 60080030 00000001 00000000 00000000 L] not ok 37 sf[t e s1t2s5:261913] Backtrace: lkdtm: ACCESS_USERSPACE.sh # ex<0>[ 125.266631] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) t=1 # selftes:[ l k1d2t5m.277919] r5:c47cf000 r4:00000027 ACCESS_NULL.sh <0>[ 125.283756] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 125.293499] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 125.301685] r9:c6c41f60 r8:c5336480 r7:0000000c r6:b6e82000 r5:c4303a40 r4:c0c5931c <0>[ 125.309707] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 125.317807] r9:c07e2978 r8:c6c41f60 r7:c290d000 r6:b6e82000 r5:c4303a40 r4:00000000 <0>[ 125.325822] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 125.333228] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c6c40000 r5:c4303a40 <0>[ 125.341321] r4:c4303a40 <0>[ 125.344127] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 125.351534] r9:c6c40000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 125.359550] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 125.367384] Exception stack(0xc6c41fa8 to 0xc6c41ff0) <0>[ 125.372704] 1fa0: 0000000c 0000000c 00000001 b6e82000 0000000c 00000001 <0>[ 125.381150] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e82000 00020000 0042fe38 <0>[ 125.389595] 1fe0: 00000004 bea7b7e8 b6f4833b b6ec1616 <0>[ 125.394918] Code: e30800b8 e34c01ad e1a01004 ebffd3b8 (e5945000) <4>[ 125.401352] ---[ end trace 311b3a6134d50297 ]--- # Segmentation fault # [ 124.924378] lkdtm: Performing direct entry ACCESS_NULL # [ 124.930783] lkdtm: attempting bad read at 00000000 # [ 124.938662] 8<--- cut here --- # [ 124.944954] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 124.956107] pgd = 8003b575 # [ 124.961935] [00000000] *pgd=00000000 # [ 124.968604] Internal error: Oops: 5 [#11] SMP ARM # [ 124.976411] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 125.011417] CPU: 2 PID: 2376 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 125.021756] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.030466] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 125.037938] LR is at 0x0 # [ 125.042811] pc : [] lr : [<00000000>] psr: 60080013 # [ 125.051244] sp : c6c41e50 ip : 00000027 fp : c6c41e64 # [ 125.058466] r10: 0000000c r9 : c1ad71a8 r8 : c15ec020 # [ 125.065770] r7 : c6c41f60 r6 : 0000000c r5 : c47cf000 r4 : 00000000 # [ 125.074382] r3 : 45ca1b39 r2 : 45ca1b39 r1 : ef7ab5e4 r0 : 00000026 # [ 125.082992] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 125.092295] Control: 10c5387d Table: 16a8c04a DAC: 00000051 # [ 125.100126] Process cat (pid: 2376, stack limit = 0xe0fd27d2) # [ 125.108211] Stack: (0xc6c41e50 to 0xc6c42000) # [ 125.114739] 1e40: 00000027 c47cf000 c6c41e74 c6c41e68 # [ 125.125173] 1e60: c0c58f3c c13ce368 c6c41e9c c6c41e78 c0c5943c c0c58f1c c0c5931c c4303a40 # [ 125.135605] 1e80: b6e82000 0000000c c5336480 c6c41f60 c6c41ec4 c6c41ea0 c07e29dc c0c59328 # [ 125.146124] 1ea0: 00000000 c4303a40 b6e82000 c290d000 c6c41f60 c07e2978 c6c41f5c c6c41ec8 # [ 125.156731] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6c40000 # [ 125.167249] 1ee0: b6e82000 00020000 00000004 0000000c 0001fff4 c6c41ee0 00000001 b6e81000 # [ 125.177768] 1f00: c4287180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 125.188374] 1f20: 00000000 00000000 c13e36b0 45ca1b39 c206c220 c4303a40 c4303a40 c6c40000 # [ 125.198892] 1f40: b6e82000 00000000 00000000 00000004 c6c41f94 c6c41f60 c059c9b0 c059c304 # [ 125.209413] 1f60: 00000000 00000000 c6c41fac 45ca1b39 0000000c 0000000c 7ff00000 00000004 # [ 125.219930] 1f80: c03002e4 c6c40000 c6c41fa4 c6c41f98 c059ca40 c059c948 00000000 c6c41fa8 # [ 125.230450] 1fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e82000 0000000c 00000001 # [ 125.240968] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e82000 00020000 0042fe38 # [ 125.251401] 1fe0: 00000004 bea7b7e8 b6f4833b b6ec1616 60080030 00000001 00000000 00000000 # [ 125.261913] Backtrace: # [ 125.266631] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.277919] r5:c47cf000 r4:00000027 # [ 125.283756] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.293499] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.301685] r9:c6c41f60 r8:c5336480 r7:0000000c r6:b6e82000 r5:c4303a40 r4:c0c5931c # [ 125.309707] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 125.317807] r9:c07e2978 r8:c6c41f60 r7:c290d000 r6:b6e82000 r5:c4303a40 r4:00000000 # [ 125.325822] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.333228] r10:00000004 r9:00000000 r8:00000000 r7:b6e8200<6>[ 125.890316] lkdtm: Performing direct entry WRITE_RO 0 r6:c6c40000 r5:c<463>[0 3 a1420.896413] lkdtm: attempting bad rodata write at c15ec2b8 # [ 125.341321] r4:c4303a40 <1>[ 125.904399] 8<--- cut here --- # [ 125.344127] [c[> 125.910428] Unable to handle kernel paging request at virtual address c15ec2b8 (ksys_write) from [9[c a 125.920338] pgd = 43f29d15 0>] (sys_write+0x18/0x1c) # [ 1<1>[ 125.925644] [c15ec2b8] *pgd=1141941e(bad) 25.351534] r9:c6c40000 r8<:0c>0[ 125.932779] Internal error: Oops: 80d [#12] SMP ARM 002e4 r7:00000004 r6:7ff00000 r5:<4>[ 125.940426] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 0000000c r4:0000000c # [ 125.<3>[ 125.975426] CPU: 3 PID: 2452 Comm: cat Tainted: G D W 5.10.218-cip49 #1 59550] [] <(4s>y[s _ w125.986108] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ite) from [] (ret_fast_<4>[ 125.995162] PC is at lkdtm_WRITE_RO+0x44/0x50 syscall+0x0/0x28) # [ 1<245>.[3 126.002630] LR is at __irq_work_queue_local+0x40/0x74 67384] Exception stk[( 0 x1c6.010363] pc : [] lr : [] psr: 60080013 6c41fa8 to 0xc6c410[) 1#26.019057] sp : c4231e50 ip : c4231d58 fp : c4231e64 [ 125.372704] 1fa<04:> [ 1 26.026707] r10: 00000009 r9 : c1ad71b4 r8 : c15ec020 00000000[0 0 0126.034359] r7 : c4231f60 r6 : 00000009 r5 : c6cdc000 r4 : c15ec2b8 00c 00000001 b6e8200<04 >0[0 0 0126.043399] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad7fb8 00c 00000001 # [ 125<.43>8[1 1 126.052441] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0] 1fc0: 0000000c 00<040>0[0 0 c126.062176] Control: 10c5387d Table: 16a7404a DAC: 00000051 7ff00000 00000004 0<000>0[0 0 0116.070435] Process cat (pid: 2452, stack limit = 0x0a03cf59) b6e82000 00020000 004<20f>e[3 8 126.078608] Stack: (0xc4231e50 to 0xc4232000) # [ 125.389595] 1fe0: 0000<000>[ 126.085569] 1e40: 00000028 c6cdc000 c4231e74 c4231e68 4 bea7b7e8 b6f4833b b6ec1616< 0 >[ 126.096605] 1e60: c0c58f3c c13ce168 c4231e9c c4231e78 c0c5943c c0c58f1c c0c5931c c6baeb40 [ 125.394918] Code: e3080<00b>8 126.107641] 1e80: b6e5a000 00000009 c5336480 c4231f60 c4231ec4 c4231ea0 c07e29dc c0c59328 e34c01ad e1a01004 ebffd3b<80 >([ 126.118589] 1ea0: 00000000 c6baeb40 b6e5a000 c290d000 c4231f60 c07e2978 c4231f5c c4231ec8 5945000) # [ 125.401352<]0 >-[ 126.129541] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c4230000 -[ end trace 311b3a6134d50<209>7[ 126.140490] 1ee0: b6e5a000 00020000 00000004 00000009 0001fff7 c4231ee0 00000001 b6e59000 ]--- # ACCESS_NULL: missi [ 126.151441] 1f00: c5e9a8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 call trace:': [FAIL] not< 0o>k[ 126.162391] 1f20: 00000000 00000000 c13e36b0 41a147d7 c206c220 c6baeb40 c6baeb40 c4230000 38 selftests: lkdtm: ACCESN[ 126.173254] 1f40: b6e5a000 00000000 00000000 00000004 c4231f94 c4231f60 c059c9b0 c059c304 LL.sh # exit=1 # selftest [ 126.184205] 1f60: 00000000 00000000 c4231fac 41a147d7 00000009 00000009 7ff00000 00000004 kdtm: WRITE_RO.sh <0>[ 126.195153] 1f80: c03002e4 c4230000 c4231fa4 c4231f98 c059ca40 c059c948 00000000 c4231fa8 <0>[ 126.205234] 1fa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e5a000 00000009 00000001 <0>[ 126.213684] 1fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e5a000 00020000 0047fe38 <0>[ 126.222133] 1fe0: 00000004 beadb7e8 b6f2033b b6e99616 60080030 00000001 00000000 00000000 <0>[ 126.230577] Backtrace: <0>[ 126.233313] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 126.241589] r5:c6cdc000 r4:00000028 <0>[ 126.245443] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 126.253730] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 126.261925] r9:c4231f60 r8:c5336480 r7:00000009 r6:b6e5a000 r5:c6baeb40 r4:c0c5931c <0>[ 126.269951] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 126.278054] r9:c07e2978 r8:c4231f60 r7:c290d000 r6:b6e5a000 r5:c6baeb40 r4:00000000 <0>[ 126.286073] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 126.293482] r10:00000004 r9:00000000 r8:00000000 r7:b6e5a000 r6:c4230000 r5:c6baeb40 <0>[ 126.301580] r4:c6baeb40 <0>[ 126.304390] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 126.311800] r9:c4230000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 <0>[ 126.319821] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 126.327658] Exception stack(0xc4231fa8 to 0xc4231ff0) <0>[ 126.332982] 1fa0: 00000009 00000009 00000001 b6e5a000 00000009 00000001 <0>[ 126.341436] 1fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e5a000 00020000 0047fe38 <0>[ 126.349886] 1fe0: 00000004 beadb7e8 b6f2033b b6e99616 <0>[ 126.355215] Code: e34a3bcd e3070fb8 e34c01ad e0233002 (e5843000) <4>[ 126.361585] ---[ end trace 311b3a6134d50298 ]--- # Segmentation fault # [ 125.890316] lkdtm: Performing direct entry WRITE_RO # [ 125.896413] lkdtm: attempting bad rodata write at c15ec2b8 # [ 125.904399] 8<--- cut here --- # [ 125.910428] Unable to handle kernel paging request at virtual address c15ec2b8 # [ 125.920338] pgd = 43f29d15 # [ 125.925644] [c15ec2b8] *pgd=1141941e(bad) # [ 125.932779] Internal error: Oops: 80d [#12] SMP ARM # [ 125.940426] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 125.975426] CPU: 3 PID: 2452 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 125.986108] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.995162] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 126.002630] LR is at __irq_work_queue_local+0x40/0x74 # [ 126.010363] pc : [] lr : [] psr: 60080013 # [ 126.019057] sp : c4231e50 ip : c4231d58 fp : c4231e64 # [ 126.026707] r10: 00000009 r9 : c1ad71b4 r8 : c15ec020 # [ 126.034359] r7 : c4231f60 r6 : 00000009 r5 : c6cdc000 r4 : c15ec2b8 # [ 126.043399] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad7fb8 # [ 126.052441] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 126.062176] Control: 10c5387d Table: 16a7404a DAC: 00000051 # [ 126.070435] Process cat (pid: 2452, stack limit = 0x0a03cf59) # [ 126.078608] Stack: (0xc4231e50 to 0xc4232000) # [ 126.085569] 1e40: 00000028 c6cdc000 c4231e74 c4231e68 # [ 126.096605] 1e60: c0c58f3c c13ce168 c4231e9c c4231e78 c0c5943c c0c58f1c c0c5931c c6baeb40 # [ 126.107641] 1e80: b6e5a000 00000009 c5336480 c4231f60 c4231ec4 c4231ea0 c07e29dc c0c59328 # [ 126.118589] 1ea0: 00000000 c6baeb40 b6e5a000 c290d000 c4231f60 c07e2978 c4231f5c c4231ec8 # [ 126.129541] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c4230000 # [ 126.140490] 1ee0: b6e5a000 00020000 00000004 00000009 0001fff7 c4231ee0 00000001 b6e59000 # [ 126.151441] 1f00: c5e9a8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 126.162391] 1f20: 00000000 00000000 c13e36b0 41a147d7 c206c220 c6baeb40 c6baeb40 c4230000 # [ 126.173254] 1f40: b6e5a000 00000000 00000000 00000004 c4231f94 c4231f60 c059c9b0 c059c304 # [ 126.184205] 1f60: 00000000 00000000 c4231fac 41a147d7 00000009 00000009 7ff00000 00000004 # [ 126.195153] 1f80: c03002e4 c4230000 c4231fa4 c4231f98 c059ca40 c059c948 00000000 c4231fa8 # [ 126.205234] 1fa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e5a000 00000009 00000001 # [ 126.213684] 1fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e5a000 00020000 0047fe38 # [ 126.222133] 1fe0: 00000004 beadb7e8 b6f2033b b6e99616 60080030 00000001 00000000 00000000 # [ 126.230577] Backtrace: # [ 126.233313] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.241589] r5:c6cdc000 r4:00000028 # [ 126.245443] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.253730] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.261925] r9:c4231f60 r8:c5336480 r7:00000009 r6:b6e5a000 r5:c6baeb40 r4:c0c5931c # [ 126.269951] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 126.278054] r9:c07e2978 r8:c4231f60 r7:c290d000 r6:b6e5a000 r5:c6baeb40 r4:00000000 # [ 126.286073] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.293482] r10:00000004 r9:00000000 r8:00000000 r7:b6e5a000<6>[ 126.807001] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT r6:c4230000 r5:c6baeb40 # [ 12<6>[ 126.815071] lkdtm: attempting bad ro_after_init write at c1b8ac74 6.301580] r4:c6baeb40 # [ 126.<1>[ 126.824324] 8<--- cut here --- 304390] [>][ ( k1s2y.830417] Unable to handle kernel paging request at virtual address c1b8ac74 s_write) from <[1<>c[0 5 91c2a64.839982] pgd = d65e8a69 >] (sys_write+0x18/0x1c) # [ 121>[ 126.844946] [c1b8ac74] *pgd=11a1941e(bad) 6.311800] r9:c4230000 :[c 0126.851999] Internal error: Oops: 80d [#13] SMP ARM 3002e4 r7:00000004 r6:7ff00000 r5<4>[ 126.859475] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 :00000009 r4:00000009 #< 4[> [ 126.894483] CPU: 1 PID: 2527 Comm: cat Tainted: G D W 5.10.218-cip49 #1 26.319821] [<5[ 9 c1a2268.>904908] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) (sys_write) from [] (<4>[ 126.913619] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 et_fast_syscall+0x0/<04x>2[8 )1 6.921962] LR is at __irq_work_queue_local+0x40/0x74 # [ 126.327<645>8[] E1x2c6e.p29438] pc : [] lr : [] psr: 60080013 tion stack(0xc<442>3[1 f a182 6t.937874] sp : c6b97e50 ip : c6b97d58 fp : c6b97e64 0xc4231ff0) #<4 >[[ 112266..945356] r10: 00000014 r9 : c1ad71c0 r8 : c15ec020 32982] 1fa0: < 4 > [ 1 2 6 . 52838] r7 : c6b97f60 r6 : 00000014 r5 : c4445000 r4 : c1b8ac74 000000<049> [0 0 0102060.961535] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad7fb8 9 00000001 b6e5a<040>0[ 0 010206.970320] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 009 00000001 #<4 >[[ 112266..979798] Control: 10c5387d Table: 16bd404a DAC: 00000051 41436] 1fc0: 000000<009> [0 01026.987801] Process cat (pid: 2527, stack limit = 0x50fe3191) 0009 7ff00000 0<000>0[0 0 0142 60995975] Stack: (0xc6b97e50 to 0xc6b98000) 0000001 b6e5a000 00<002>0[0 0 01 7.002592] 7e40: 00000029 c4445000 c6b97e74 c6b97e68 0047fe38 # [ 126.3498<806>][ 1127.013201] 7e60: c0c58f3c c13ce1b8 c6b97e9c c6b97e78 c0c5943c c0c58f1c c0c5931c c6bb1a40 fe0: 00000004 beadb7 [b 6 f127.023981] 7e80: b6deb000 00000014 c5336480 c6b97f60 c6b97ec4 c6b97ea0 c07e29dc c0c59328 033b b6e99616 # [ 1<206>.[3 5 527.034674] 7ea0: 00000000 c6bb1a40 b6deb000 c290d000 c6b97f60 c07e2978 c6b97f5c c6b97ec8 215] Code: e34a3bcd 0[7 0 1f7.045366] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c418e9a4 c059c9b0 c6b96000 b8 e34c01ad e0233002 <(0e>5[8 4 327.055974] 7ee0: b6deb000 00020000 00000004 00000014 0001ffec c6b97ee0 00000001 00000805 000) # [ 126.<306>1[5 8 51]2 7.066665] 7f00: c42877c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 --[ end trace 311b3a6<103>4[d 5 027.077188] 7f20: 00000000 00000000 c6b96000 1e13964b b6dea000 c6bb1a40 c6bb1a40 c6b96000 298 ]--- # WRITE_R [m i s1s7.087880] 7f40: b6deb000 00000000 00000000 00000004 c6b97f94 c6b97f60 c059c9b0 c059c304 ing 'call trace:': <[0F>A[I L ]1 7.098487] 7f60: 00000000 00000000 c6b97fac 1e13964b 00000014 00000014 7ff00000 00000004 not ok 39 selftests<:0 >l[k d t127.109094] 7f80: c03002e4 c6b96000 c6b97fa4 c6b97f98 c059ca40 c059c948 00000000 c6b97fa8 : WRITE_RO.sh # et[= 1 1 2#.119786] 7fa0: c03000c0 c059ca34 00000014 00000014 00000001 b6deb000 00000014 00000001 selftests: lkdtm: WRE[_ R O27.130307] 7fc0: 00000014 00000014 7ff00000 00000004 00000001 b6deb000 00020000 0048fe38 _AFTER_INIT.sh <0>[ 127.141001] 7fe0: 00000004 be9357e8 b6eb133b b6e2a616 60080030 00000001 00000000 00000000 <0>[ 127.150818] Backtrace: <0>[ 127.153555] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 127.162787] r5:c4445000 r4:00000029 <0>[ 127.166641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 127.174926] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 127.183118] r9:c6b97f60 r8:c5336480 r7:00000014 r6:b6deb000 r5:c6bb1a40 r4:c0c5931c <0>[ 127.191146] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 127.199250] r9:c07e2978 r8:c6b97f60 r7:c290d000 r6:b6deb000 r5:c6bb1a40 r4:00000000 <0>[ 127.207270] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 127.214679] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c6b96000 r5:c6bb1a40 <0>[ 127.222779] r4:c6bb1a40 <0>[ 127.225589] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 127.232999] r9:c6b96000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 <0>[ 127.241018] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 127.248856] Exception stack(0xc6b97fa8 to 0xc6b97ff0) <0>[ 127.254180] 7fa0: 00000014 00000014 00000001 b6deb000 00000014 00000001 <0>[ 127.262631] 7fc0: 00000014 00000014 7ff00000 00000004 00000001 b6deb000 00020000 0048fe38 <0>[ 127.271079] 7fe0: 00000004 be9357e8 b6eb133b b6e2a616 <0>[ 127.276406] Code: e34a3bcd e3070fb8 e34c01ad e0233002 (e5843000) <4>[ 127.282774] ---[ end trace 311b3a6134d50299 ]--- # Segmentation fault # [ 126.807001] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 126.815071] lkdtm: attempting bad ro_after_init write at c1b8ac74 # [ 126.824324] 8<--- cut here --- # [ 126.830417] Unable to handle kernel paging request at virtual address c1b8ac74 # [ 126.839982] pgd = d65e8a69 # [ 126.844946] [c1b8ac74] *pgd=11a1941e(bad) # [ 126.851999] Internal error: Oops: 80d [#13] SMP ARM # [ 126.859475] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 126.894483] CPU: 1 PID: 2527 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 126.904908] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.913619] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 126.921962] LR is at __irq_work_queue_local+0x40/0x74 # [ 126.929438] pc : [] lr : [] psr: 60080013 # [ 126.937874] sp : c6b97e50 ip : c6b97d58 fp : c6b97e64 # [ 126.945356] r10: 00000014 r9 : c1ad71c0 r8 : c15ec020 # [ 126.952838] r7 : c6b97f60 r6 : 00000014 r5 : c4445000 r4 : c1b8ac74 # [ 126.961535] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad7fb8 # [ 126.970320] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 126.979798] Control: 10c5387d Table: 16bd404a DAC: 00000051 # [ 126.987801] Process cat (pid: 2527, stack limit = 0x50fe3191) # [ 126.995975] Stack: (0xc6b97e50 to 0xc6b98000) # [ 127.002592] 7e40: 00000029 c4445000 c6b97e74 c6b97e68 # [ 127.013201] 7e60: c0c58f3c c13ce1b8 c6b97e9c c6b97e78 c0c5943c c0c58f1c c0c5931c c6bb1a40 # [ 127.023981] 7e80: b6deb000 00000014 c5336480 c6b97f60 c6b97ec4 c6b97ea0 c07e29dc c0c59328 # [ 127.034674] 7ea0: 00000000 c6bb1a40 b6deb000 c290d000 c6b97f60 c07e2978 c6b97f5c c6b97ec8 # [ 127.045366] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c418e9a4 c059c9b0 c6b96000 # [ 127.055974] 7ee0: b6deb000 00020000 00000004 00000014 0001ffec c6b97ee0 00000001 00000805 # [ 127.066665] 7f00: c42877c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 127.077188] 7f20: 00000000 00000000 c6b96000 1e13964b b6dea000 c6bb1a40 c6bb1a40 c6b96000 # [ 127.087880] 7f40: b6deb000 00000000 00000000 00000004 c6b97f94 c6b97f60 c059c9b0 c059c304 # [ 127.098487] 7f60: 00000000 00000000 c6b97fac 1e13964b 00000014 00000014 7ff00000 00000004 # [ 127.109094] 7f80: c03002e4 c6b96000 c6b97fa4 c6b97f98 c059ca40 c059c948 00000000 c6b97fa8 # [ 127.119786] 7fa0: c03000c0 c059ca34 00000014 00000014 00000001 b6deb000 00000014 00000001 # [ 127.130307] 7fc0: 00000014 00000014 7ff00000 00000004 00000001 b6deb000 00020000 0048fe38 # [ 127.141001] 7fe0: 00000004 be9357e8 b6eb133b b6e2a616 60080030 00000001 00000000 00000000 # [ 127.150818] Backtrace: # [ 127.153555] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.162787] r5:c4445000 r4:00000029 # [ 127.166641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.174926] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.183118] r9:c6b97f60 r8:c5336480 r7:00000014 r6:b6deb000 r5:c6bb1a40 r4:c0c5931c # [ 127.191146] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 127.199250] r9:c07e2978 r8:c6b97f60 r7:c290d000 r6:b6deb000 r5:c6bb1a40 r4:00000000 # [ 127.207270] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.214679] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c6b96000 r5:c<6>[ 127.716601] lkdtm: Performing direct entry WRITE_KERN 6bb1a40 # [ 127.222779] r4:c6b<6>[ 127.722378] lkdtm: attempting bad 7816152 byte write at c13ce084 b1a40 # [ 127.225589] [[ 127.731515] 8<--- cut here --- c>] (ksys_write) from [<5[9 127.737607] Unable to handle kernel paging request at virtual address c13ce084 a40>] (sys_wre[+ 0 x11287/.047517] pgd = fbd3431c x1c) # [ 127.232999] r9:c<61b>[ 127.752395] [c13ce084] *pgd=1121940e(bad) 6000 r8:c03002e4 r7:0000<000>0[4 127.759277] Internal error: Oops: 80d [#14] SMP ARM r6:7ff00000 r5:00000014 r4:000000<4>[ 127.766842] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 14 # [ 127.241<041>8[] [1<2c7.801845] CPU: 3 PID: 2602 Comm: cat Tainted: G D W 5.10.218-cip49 #1 59ca28<>4]> [( s y1s2_7w.r8i1t1e930] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) from [] (ret_fa_[ 127.820383] PC is at memcpy+0x50/0x330 yscall+0x0/0x28) < 4#> [[ 1122.826904] LR is at 0xe92dd830 7.248856] c[e p t1i2o7n. 83s387] pc : [] lr : [] psr: 20080013 tack(0xc67[f a 81 2t7o. 804x652] sp : c6993e2c ip : e1a0c00d fp : c6993e64 c6b97ff0) #< 4[> [ 1 2172.72.5847875] r10: 0000000b r9 : c1ad71d4 r8 : e89da800 180] 7fa<04:> [ 1 2 7 . 8 5 5271] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00<040>0[0 1 41 2070.08063799] r3 : e1a0c00d r2 : 00774338 r1 : c0c59ccc r0 : c13ce084 014 00000001 b6d0[0 0 10207.872414] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00014 000<040>0[0 1 12 7#. 8[8 1889] Control: 10c5387d Table: 16c5004a DAC: 00000051 127.262631<]0 >7[f c 01:2 70.08089635] Process cat (pid: 2602, stack limit = 0x152b02af) 0014 00000014 <70f>f[0 0 010207 .897466] Stack: (0xc6993e2c to 0xc6994000) 0000004 0000000<10 >b[6 d e1b2070904085] 3e20: c0c59cac 007743d8 c6993f60 c15ec020 c13ce084 0 00020000 0048fe38< 0 >#[ [ 1 7.914522] 3e40: c13ce084 c13ce268 0000002a c6cdc000 0000000b c6993f60 c6993e74 c6993e68 127.271079] 7fe0: <000>0[0 0 01027.925131] 3e60: c0c58f3c c13ce228 c6993e9c c6993e78 c0c5943c c0c58f1c c0c5931c c6baf7c0 be9357e8 b6eb133b[6 e 21a26.935740] 3e80: b6e70000 0000000b c5336480 c6993f60 c6993ec4 c6993ea0 c07e29dc c0c59328 16 # [ 127.276<400>6[] C1o2d7.946262] 3ea0: 00000000 c6baf7c0 b6e70000 c290d000 c6993f60 c07e2978 c6993f5c c6993ec8 : e34a3bcd e30708[ e 3142c7.956785] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6992000 1ad e0233002 (e58<403>0[0 0 )1 2 .967307] 3ee0: b6e70000 00020000 00000004 0000000b 0001fff5 c6993ee0 00000001 b6e6f000 # [ 127.2827<704>][ - -1-2[7 .977829] 3f00: c4286280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 nd trace 311b3a61<304>d[5 0 21929.988266] 3f20: 00000000 00000000 c13e36b0 4d196969 c206c220 c6baf7c0 c6baf7c0 c6992000 ]--- # WRITR[O _ A1F2T7E.R98787] 3f40: b6e70000 00000000 00000000 00000004 c6993f94 c6993f60 c059c9b0 c059c304 _INIT: missing <'0c>a[l l 1t2r8a009138] 3f60: 00000000 00000000 c6993fac 4d196969 0000000b 0000000b 7ff00000 00000004 ce:': [FAIL] not< 0o>k[ 4 01 2s.019576] 3f80: c03002e4 c6992000 c6993fa4 c6993f98 c059ca40 c059c948 00000000 c6993fa8 elftests: lkdtm:< 0W>R[I T E1_2R8.030099] 3fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e70000 0000000b 00000001 _AFTER_INIT.s#[ e x1i2t8=.140620] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e70000 00020000 0044fe38 # selftests: lkd:[ W R1I28.050970] 3fe0: 00000004 bef407e8 b6f3633b b6eaf616 60080030 00000001 00000000 00000000 E_KERN.sh <0>[ 128.061571] Backtrace: <0>[ 128.065258] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 128.073712] r7:c6993f60 r6:0000000b r5:c6cdc000 r4:0000002a <0>[ 128.079648] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 128.087932] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 128.096124] r9:c6993f60 r8:c5336480 r7:0000000b r6:b6e70000 r5:c6baf7c0 r4:c0c5931c <0>[ 128.104151] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 128.112258] r9:c07e2978 r8:c6993f60 r7:c290d000 r6:b6e70000 r5:c6baf7c0 r4:00000000 <0>[ 128.120278] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 128.127689] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c6992000 r5:c6baf7c0 <0>[ 128.135785] r4:c6baf7c0 <0>[ 128.138596] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 128.146006] r9:c6992000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 128.154027] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 128.161866] Exception stack(0xc6993fa8 to 0xc6993ff0) <0>[ 128.167190] 3fa0: 0000000b 0000000b 00000001 b6e70000 0000000b 00000001 <0>[ 128.175640] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e70000 00020000 0044fe38 <0>[ 128.184087] 3fe0: 00000004 bef407e8 b6f3633b b6eaf616 <0>[ 128.189414] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 128.195785] ---[ end trace 311b3a6134d5029a ]--- # Segmentation fault # [ 127.716601] lkdtm: Performing direct entry WRITE_KERN # [ 127.722378] lkdtm: attempting bad 7816152 byte write at c13ce084 # [ 127.731515] 8<--- cut here --- # [ 127.737607] Unable to handle kernel paging request at virtual address c13ce084 # [ 127.747517] pgd = fbd3431c # [ 127.752395] [c13ce084] *pgd=1121940e(bad) # [ 127.759277] Internal error: Oops: 80d [#14] SMP ARM # [ 127.766842] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 127.801845] CPU: 3 PID: 2602 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 127.811930] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.820383] PC is at memcpy+0x50/0x330 # [ 127.826904] LR is at 0xe92dd830 # [ 127.832387] pc : [] lr : [] psr: 20080013 # [ 127.840652] sp : c6993e2c ip : e1a0c00d fp : c6993e64 # [ 127.847875] r10: 0000000b r9 : c1ad71d4 r8 : e89da800 # [ 127.855271] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 127.863799] r3 : e1a0c00d r2 : 00774338 r1 : c0c59ccc r0 : c13ce084 # [ 127.872414] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 127.881889] Control: 10c5387d Table: 16c5004a DAC: 00000051 # [ 127.889635] Process cat (pid: 2602, stack limit = 0x152b02af) # [ 127.897466] Stack: (0xc6993e2c to 0xc6994000) # [ 127.904085] 3e20: c0c59cac 007743d8 c6993f60 c15ec020 c13ce084 # [ 127.914522] 3e40: c13ce084 c13ce268 0000002a c6cdc000 0000000b c6993f60 c6993e74 c6993e68 # [ 127.925131] 3e60: c0c58f3c c13ce228 c6993e9c c6993e78 c0c5943c c0c58f1c c0c5931c c6baf7c0 # [ 127.935740] 3e80: b6e70000 0000000b c5336480 c6993f60 c6993ec4 c6993ea0 c07e29dc c0c59328 # [ 127.946262] 3ea0: 00000000 c6baf7c0 b6e70000 c290d000 c6993f60 c07e2978 c6993f5c c6993ec8 # [ 127.956785] 3ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13e36b0 c059c9b0 c6992000 # [ 127.967307] 3ee0: b6e70000 00020000 00000004 0000000b 0001fff5 c6993ee0 00000001 b6e6f000 # [ 127.977829] 3f00: c4286280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 127.988266] 3f20: 00000000 00000000 c13e36b0 4d196969 c206c220 c6baf7c0 c6baf7c0 c6992000 # [ 127.998787] 3f40: b6e70000 00000000 00000000 00000004 c6993f94 c6993f60 c059c9b0 c059c304 # [ 128.009138] 3f60: 00000000 00000000 c6993fac 4d196969 0000000b 0000000b 7ff00000 00000004 # [ 128.019576] 3f80: c03002e4 c6992000 c6993fa4 c6993f98 c059ca40 c059c948 00000000 c6993fa8 # [ 128.030099] 3fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e70000 0000000b 00000001 # [ 128.040620] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e70000 00020000 0044fe38 # [ 128.050970] 3fe0: 00000004 bef407e8 b6f3633b b6eaf616 60080030 00000001 00000000 00000000 # [ 128.061571] Backtrace: # [ 128.065258] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.073712] r7:c6993f60 r6:0000000b r5:c6cdc000 r4:0000002a # [ 128.079648] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.087932] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.096124] r9:c6993f60 r8:c5336480 r7:0000000b r6:b6e70000 r5:c6baf7c0 r4:c0c5931c # [ 128.104151] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 128.112258] r9:c07e2978 r8:c6993f60 r7:c290d000 r6:b6e70000 r5:c6baf7c0 r4:00000000 # [ 128.120278] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.127689] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c6992000 r5:c6baf7c0 # [ 128.135785] r4:c6baf7c0 # [ 128.138596] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.146006] r9:c6992000 r8:c03002e4 <6>[ 128.647192] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW r7:00000004 r6:7ff00000 r5:000000<6>[ 128.655513] lkdtm: attempting good refcount_inc() without overflow 0b r4:0000000b # [ 128.154027] <6>[ 128.664921] lkdtm: attempting bad refcount_inc() overflow [] (sys_write) from [[ 128.673335] ------------[ cut here ]------------ 03000c0>] (ret_fast_syscall+0x0/0<4>[ 128.681068] WARNING: CPU: 3 PID: 2678 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 x28) # [ 128.161866] Exception <4>[ 128.692615] refcount_t: saturated; leaking memory. stack(0xc6993fa8 to 0xc6993ff0) <4>[ 128.700530] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 128.167190] 3fa0: <4>[ 128.735568] CPU: 3 PID: 2678 Comm: cat Tainted: G D W 5.10.218-cip49 #1 00000<040>b[ 0 102080.0746361] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0b 00000001 b6e70000 <040>0[0 0 028.755056] Backtrace: 0b 00000001 # [ 128.175640] <34>[ 128.760031] [] (dump_backtrace) from [] (show_stack+0x20/0x24) c0: 0000000b 000000<04b> [7 f f108.770543] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 0000 00000004 00000001 b<64e>7[0 128.778633] [] (show_stack) from [] (dump_stack+0xe0/0x100) 00 00020000 0044fe38 # [ 1<248>[ 128.788634] [] (dump_stack) from [] (__warn+0x98/0x14c) 184087] 3fe0: 0000<040>0[4 b1e28.798452] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b1b8 407e8 b6f3633b b6eaf<641>6[ #128.808626] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.189414] Ce[: 1f258d818620] r7:00000016 r6:c1a2b1b8 r5:c1a2b190 r4:c6b96000 1f05c f5d1f07c e8b151f<84 >e[2 5 128.826539] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 2020 (e8a051f8) < 4#> [[ 1122.838095] r9:c1ad71e0 r8:c15ec020 r7:c6b97f60 r6:00000016 r5:c6c37000 r4:c6b96000 8.195785] ---[ end trace 31<14b>3 128.848186] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) a6134d5029a ]--- # WRITE_KERN<:4>[ 128.860616] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) missing 'call trace:<'4:> [[ F A128.873646] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) L] not ok <441> [s e l1f2t8e.s8t5286] r4:0000002b s: lkdtm: WRITE_KERN<.4s>h[ # 1 8.889909] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) exit=1 # selftests: lkdtm<:4 >R[ 128.900345] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) FCOUNT_INC_OVERFLOs[h 128.911032] r9:c6b97f60 r8:c5336480 r7:00000016 r6:b6dd1000 r5:c6bae140 r4:c0c5931c <4>[ 128.921121] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 128.929221] r9:c07e2978 r8:c6b97f60 r7:c290d000 r6:b6dd1000 r5:c6bae140 r4:00000000 <4>[ 128.937234] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 128.944641] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c6b96000 r5:c6bae140 <4>[ 128.952734] r4:c6bae140 <4>[ 128.955540] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 128.962945] r9:c6b96000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 128.970961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 128.978795] Exception stack(0xc6b97fa8 to 0xc6b97ff0) <4>[ 128.984118] 7fa0: 00000016 00000016 00000001 b6dd1000 00000016 00000001 <4>[ 128.992565] 7fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dd1000 00020000 0047fe38 <4>[ 129.001009] 7fe0: 00000004 bebba7e8 b6e9733b b6e10616 <4>[ 129.006385] irq event stamp: 0 <4>[ 129.009743] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 129.015596] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 129.023386] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 129.031187] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 129.037034] ---[ end trace 311b3a6134d5029b ]--- <6>[ 129.041953] lkdtm: Overflow detected: saturated <3>[ 155.058969] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 155.064827] rcu: 0-....: (1 GPs behind) idle=f42/1/0x40000002 softirq=5353/5354 fqs=964 <4>[ 155.073273] (t=2602 jiffies g=7017 q=34) <4>[ 155.077551] NMI backtrace for cpu 0 <4>[ 155.081312] CPU: 0 PID: 287 Comm: kworker/u9:2 Tainted: G D W 5.10.218-cip49 #1 <4>[ 155.090016] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 155.096825] Workqueue: xprtiod rpc_async_schedule <4>[ 155.101801] Backtrace: <4>[ 155.104530] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 155.112370] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 155.118305] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 155.125890] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 155.133989] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 155.142005] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 155.151925] r5:c1e16800 r4:c03115d8 <4>[ 155.155779] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 155.166656] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 155.174672] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 155.184863] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 155.194178] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 155.202274] r4:c1ea9500 <4>[ 155.205084] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 155.214226] r10:c682e000 r9:ef786a20 r8:ef7869c0 r7:19b35367 r6:c682f5e0 r5:c682e000 <4>[ 155.222320] r4:00000000 <4>[ 155.225128] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 155.234093] r5:00000024 r4:ef786f68 <4>[ 155.237943] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 155.246566] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 155.255623] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 155.263639] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 155.272780] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:19b34e32 r6:00000024 r5:60070193 <4>[ 155.280874] r4:ef7869c0 <4>[ 155.283683] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 155.291868] r10:00000002 r9:c682f5e0 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 155.299963] r4:00000001 <4>[ 155.302774] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 155.311566] r5:c2973700 r4:c295b400 <4>[ 155.315414] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 155.324814] r9:c682f5e0 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 r4:c1dad49c <4>[ 155.332830] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 155.341449] r9:c682f5e0 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 155.349462] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 155.357210] Exception stack(0xc682f5e0 to 0xc682f628) <4>[ 155.362532] f5e0: c6f1b380 c6f1b4e0 00000020 0000001f 00016f1a 000007f1 00000d00 c682e000 <4>[ 155.370978] f600: c1e15d54 c26e8c00 00000002 c682f66c c682f630 c682f630 c031a278 c0320db0 <4>[ 155.379421] f620: 80070013 ffffffff <4>[ 155.383181] r9:c682e000 r8:c1e15d54 r7:c682f614 r6:ffffffff r5:80070013 r4:c0320db0 <4>[ 155.391198] [] (dma_cache_maint_page) from [] (__dma_page_cpu_to_dev+0x3c/0xa0) <4>[ 155.400514] r10:00000006 r9:c2c24000 r8:ef7f8000 r7:00000002 r6:000007f1 r5:00000d00 <4>[ 155.408609] r4:ef8d6340 <4>[ 155.411416] [] (__dma_page_cpu_to_dev) from [] (arm_dma_sync_single_for_device+0xb0/0xc4) <4>[ 155.421597] r7:00000000 r6:f0a424e0 r5:c6c6d840 r4:00016f1a <4>[ 155.427534] [] (arm_dma_sync_single_for_device) from [] (dma_sync_single_for_device+0xb4/0xb8) <4>[ 155.438150] r9:c2c24000 r8:c2c23000 r7:00000000 r6:f0a424e0 r5:c6c6d840 r4:c031b40c <4>[ 155.446172] [] (dma_sync_single_for_device) from [] (fec_enet_rx_napi+0x42c/0x9a8) <4>[ 155.455743] r5:c6c6d840 r4:00000000 <4>[ 155.459595] [] (fec_enet_rx_napi) from [] (net_rx_action+0x148/0x508) <4>[ 155.468041] r10:0000012c r9:c682f7a4 r8:ef78e640 r7:c682e000 r6:00000040 r5:00000001 <4>[ 155.476135] r4:c2c23818 <4>[ 155.478942] [] (net_rx_action) from [] (__do_softirq+0x1e8/0x5a0) <4>[ 155.487041] r10:c682e000 r9:00000008 r8:c1e15d98 r7:c206b5c0 r6:00000003 r5:00000004 <4>[ 155.495134] r4:c1e0308c <4>[ 155.497941] [] (__do_softirq) from [] (do_softirq+0xb0/0xb4) <4>[ 155.505605] r10:c682e000 r9:0000113a r8:00000001 r7:c5d59310 r6:ffffe000 r5:c11eac60 <4>[ 155.513699] r4:60070093 <4>[ 155.516505] [] (do_softirq) from [] (__local_bh_enable_ip+0x19c/0x1e0) <4>[ 155.525033] r5:c11eac60 r4:00000002 <4>[ 155.528885] [] (__local_bh_enable_ip) from [] (ip_finish_output2+0x22c/0xe6c) <4>[ 155.538023] r7:c5d59310 r6:c42c92b8 r5:00000000 r4:00000000 <4>[ 155.543954] [] (ip_finish_output2) from [] (__ip_finish_output+0x128/0x230) <4>[ 155.552922] r10:c11ee014 r9:ef7935a4 r8:00000001 r7:000005dc r6:c2047f00 r5:c4768000 <4>[ 155.561017] r4:c42c92b8 <4>[ 155.563823] [] (__ip_finish_output) from [] (ip_finish_output+0x48/0xc4) <4>[ 155.572531] r9:ef7935a4 r8:c2c23000 r7:c2047f00 r6:00000000 r5:c42c92b8 r4:c4768000 <4>[ 155.580545] [] (ip_finish_output) from [] (ip_output+0x174/0x270) <4>[ 155.588643] r7:c4768000 r6:c2047f00 r5:c42c92b8 r4:ef793478 <4>[ 155.594575] [] (ip_output) from [] (__ip_queue_xmit+0x200/0x804) <4>[ 155.602590] r10:c2047f00 r9:c5e98780 r8:c682e000 r7:c47683c0 r6:00000001 r5:c4768000 <4>[ 155.610683] r4:c42c92b8 <4>[ 155.613490] [] (__ip_queue_xmit) from [] (ip_queue_xmit+0x1c/0x20) <4>[ 155.621675] r10:00000000 r9:0000001e r8:c682e000 r7:c42c92d0 r6:000010f8 r5:c42c92b8 <4>[ 155.629769] r4:c4768000 <4>[ 155.632581] [] (ip_queue_xmit) from [] (__tcp_transmit_skb+0x4b0/0xb78) <4>[ 155.641205] [] (__tcp_transmit_skb) from [] (tcp_write_xmit+0x5c0/0x134c) <4>[ 155.650000] r10:ec37944d r9:000005a8 r8:c4768680 r7:00000000 r6:ec3767f5 r5:c42c9200 <4>[ 155.658094] r4:c4768000 <4>[ 155.660899] [] (tcp_write_xmit) from [] (__tcp_push_pending_frames+0x40/0x120) <4>[ 155.670127] r10:0000c040 r9:00000084 r8:00000001 r7:00008000 r6:000005a8 r5:c42c9200 <4>[ 155.678221] r4:c4768000 <4>[ 155.681027] [] (__tcp_push_pending_frames) from [] (tcp_push+0xc4/0x120) <4>[ 155.689730] r5:c42c9200 r4:c4768000 <4>[ 155.693576] [] (tcp_push) from [] (tcp_sendmsg_locked+0x880/0xb68) <4>[ 155.701763] r9:00000084 r8:c42c9200 r7:00000084 r6:c2dbb4ec r5:ec37945d r4:c4768000 <4>[ 155.709776] [] (tcp_sendmsg_locked) from [] (tcp_sendmsg+0x38/0x4c) <4>[ 155.718051] r10:c682fda4 r9:c682e000 r8:00000000 r7:00000000 r6:00000084 r5:c682fda8 <4>[ 155.726145] r4:c4768000 <4>[ 155.728954] [] (tcp_sendmsg) from [] (inet_sendmsg+0x48/0x54) <4>[ 155.736704] r7:00000000 r6:c4768000 r5:00000084 r4:c682fda8 <4>[ 155.742637] [] (inet_sendmsg) from [] (sock_sendmsg+0x74/0xa8) <4>[ 155.750475] r7:00000000 r6:c682e000 r5:c3051a00 r4:c682fda8 <4>[ 155.756406] [] (sock_sendmsg) from [] (xprt_sock_sendmsg+0x210/0x30c) <4>[ 155.764852] r8:c682fdb0 r7:00001000 r6:c682fda8 r5:00000000 r4:c6b1a004 <4>[ 155.771827] [] (xprt_sock_sendmsg) from [] (xs_tcp_send_request+0xd8/0x1f8) <4>[ 155.780795] r10:c1b81f90 r9:c206b359 r8:c6b1a004 r7:c682e000 r6:00001084 r5:c413d000 <4>[ 155.788888] r4:c6b1a000 <4>[ 155.791700] [] (xs_tcp_send_request) from [] (xprt_transmit+0x2ac/0x60c) <4>[ 155.800406] r10:c413d440 r9:c6b1a000 r8:c6b1a088 r7:c682e000 r6:c1e15d98 r5:c414a858 <4>[ 155.808500] r4:c413d000 <4>[ 155.811306] [] (xprt_transmit) from [] (call_transmit+0x88/0x94) <4>[ 155.819319] r10:c1350ab8 r9:c682e000 r8:c2072760 r7:c682e000 r6:c1350ab8 r5:00000000 <4>[ 155.827414] r4:c414a5d8 <4>[ 155.830221] [] (call_transmit) from [] (__rpc_execute+0xcc/0x878) <4>[ 155.838316] r5:c1e15d98 r4:c414a5d8 <4>[ 155.842163] [] (__rpc_execute) from [] (rpc_async_schedule+0x3c/0x60) <4>[ 155.850609] r10:c1e15d98 r9:c206b6a0 r8:c682e000 r7:c2b20200 r6:c2e53000 r5:04208060 <4>[ 155.858703] r4:ffffe000 <4>[ 155.861515] [] (rpc_async_schedule) from [] (process_one_work+0x2c4/0x7bc) <4>[ 155.870394] r5:c427e280 r4:c414a5fc <4>[ 155.874244] [] (process_one_work) from [] (worker_thread+0x68/0x590) <4>[ 155.882604] r10:00000088 r9:c682e000 r8:c1e05d00 r7:c2e53038 r6:c427e294 r5:c2e53000 <4>[ 155.890699] r4:c427e280 <4>[ 155.893508] [] (worker_thread) from [] (kthread+0x174/0x180) <4>[ 155.901174] r10:c4381944 r9:c427e280 r8:c037cb68 r7:c2e5fe64 r6:c45d15c0 r5:c682e000 <4>[ 155.909268] r4:c4381900 <4>[ 155.912074] [] (kthread) from [] (ret_from_fork+0x14/0x20) <4>[ 155.919563] Exception stack(0xc682ffb0 to 0xc682fff8) <4>[ 155.924881] ffa0: 00000000 00000000 00000000 00000000 <4>[ 155.933328] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <4>[ 155.941772] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 <4>[ 155.948654] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0384a08 <4>[ 155.956750] r4:c45d15c0 r3:c682e000 # not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # TIMEOUT 45 seconds # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <6>[ 173.724749] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 173.731097] lkdtm: attempting good refcount_add() without overflow <6>[ 173.737551] lkdtm: attempting bad refcount_add() overflow <4>[ 173.743273] ------------[ cut here ]------------ <4>[ 173.748201] WARNING: CPU: 0 PID: 2709 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 173.757042] refcount_t: saturated; leaking memory. <4>[ 173.762177] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 <4>[ 173.794648] CPU: 0 PID: 2709 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 173.802660] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 173.809453] Backtrace: <4>[ 173.812186] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 173.820027] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 173.825960] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 173.833547] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 173.840780] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b1b8 <4>[ 173.848796] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 173.856548] r7:00000016 r6:c1a2b1b8 r5:c1a2b190 r4:c4392000 <4>[ 173.862481] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 173.871710] r9:c1ad71f8 r8:c15ec020 r7:c4393f60 r6:00000016 r5:c6c56000 r4:c4392000 <4>[ 173.879729] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 173.889661] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 173.900021] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 173.909419] r4:0000002c <4>[ 173.912225] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 173.920506] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 173.928694] r9:c4393f60 r8:c5336480 r7:00000016 r6:b6e46000 r5:c42f08c0 r4:c0c5931c <4>[ 173.936714] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 173.944814] r9:c07e2978 r8:c4393f60 r7:c290d000 r6:b6e46000 r5:c42f08c0 r4:00000000 <4>[ 173.952827] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 173.960233] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c4392000 r5:c42f08c0 <4>[ 173.968326] r4:c42f08c0 <4>[ 173.971133] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 173.978539] r9:c4392000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 173.986557] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 173.994393] Exception stack(0xc4393fa8 to 0xc4393ff0) <4>[ 173.999717] 3fa0: 00000016 00000016 00000001 b6e46000 00000016 00000001 <4>[ 174.008166] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e46000 00020000 0044fe38 <4>[ 174.016610] 3fe0: 00000004 beb6f7e8 b6f0c33b b6e85616 <4>[ 174.021964] irq event stamp: 0 <4>[ 174.025297] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 174.031170] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 174.038930] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 174.046711] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 174.052579] ---[ end trace 311b3a6134d5029c ]--- <6>[ 174.057469] lkdtm: Overflow detected: saturated # [ 173.724749] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 173.731097] lkdtm: attempting good refcount_add() without overflow # [ 173.737551] lkdtm: attempting bad refcount_add() overflow # [ 173.743273] ------------[ cut here ]------------ # [ 173.748201] WARNING: CPU: 0 PID: 2709 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 173.757042] refcount_t: saturated; leaking memory. # [ 173.762177] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 173.794648] CPU: 0 PID: 2709 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 173.802660] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 173.809453] Backtrace: # [ 173.812186] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 173.820027] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 173.825960] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 173.833547] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 173.840780] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a2b1b8 # [ 173.848796] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 173.856548] r7:00000016 r6:c1a2b1b8 r5:c1a2b190 r4:c4392000 # [ 173.862481] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 173.871710] r9:c1ad71f8 r8:c15ec020 r7:c4393f60 r6:00000016 r5:c6c56000 r4:c4392000 # [ 173.879729] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 173.889661] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 173.900021] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 173.909419] r4:0000002c # [ 173.912225] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 173.920506] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 173.928694] r9:c4393f60 r8:c5336480 r7:00000016 r6:b6e46000 r5:c42f08c0 r4:c0c5931c # [ 173.936714] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 173.944814] r9:c07e2978 r8:c4393f60 r7:c290d000 r6:b6e46000 r5:c42f08c0 r4:00000000 # [ 173.952827] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 173.960233] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c4392000 r5:c42f08c0 # [ 173.968326] r4:c42f08c0 # [ 173.971133] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 173.978539] r9:c4392000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 173.986557] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 173.994393] Exception stack(0xc4393fa8 to 0xc4393ff0) # [ 173.999717] 3fa0: 00000016 00000016 00000001 b6e46000 00000016 00000001 # [ 174.008166] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e46000 00020000 0044fe38 # [ 174.016610] 3fe0: 00000004 beb6f7e8 b6f0c33b b6e85616 # [ 174.021964] irq event stamp: 0 # [ 174.025297] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 174.031170] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 174.038930] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 174.046711] softirqs last disabled at (0): [<00000000>] <6>[ 174.494468] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0x0 # [ 174.052579] ---[ end tr<6>[ 174.503374] lkdtm: attempting bad refcount_inc_not_zero() overflow ace 311b3a6134d5029c ]--- # [ 1<4>[ 174.512755] ------------[ cut here ]------------ 74.057469] lkdtm: Overflow detect<4>[ 174.520572] WARNING: CPU: 0 PID: 2744 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ed: saturated # REFCOUNT_ADD_OVE<4>[ 174.532101] refcount_t: saturated; leaking memory. RFLOW: missing 'call trace:': [FA<4>[ 174.540030] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 IL] not ok 43 selftests: lkdtm: <4>[ 174.575063] CPU: 0 PID: 2744 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 174.585885] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 174.592679] Backtrace: <4>[ 174.595411] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 174.603253] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 174.609186] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 174.616771] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 174.624005] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b1b8 <4>[ 174.632019] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 174.639770] r7:00000013 r6:c1a2b1b8 r5:c1a2b190 r4:c6be6000 <4>[ 174.645703] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 174.654931] r9:c1ad7210 r8:c15ec020 r7:c6be7f60 r6:0000001f r5:c6c5b000 r4:7fffffff <4>[ 174.662953] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 174.673664] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 174.685580] r5:c6c5b000 r4:c6be6000 <4>[ 174.689431] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 174.699608] r4:0000002d <4>[ 174.702413] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 174.710693] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 174.718881] r9:c6be7f60 r8:c5336480 r7:0000001f r6:b6e2b000 r5:c42f0a00 r4:c0c5931c <4>[ 174.726902] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 174.735004] r9:c07e2978 r8:c6be7f60 r7:c290d000 r6:b6e2b000 r5:c42f0a00 r4:00000000 <4>[ 174.743019] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 174.750423] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6be6000 r5:c42f0a00 <4>[ 174.758518] r4:c42f0a00 <4>[ 174.761324] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 174.768730] r9:c6be6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 174.776746] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 174.784583] Exception stack(0xc6be7fa8 to 0xc6be7ff0) <4>[ 174.789907] 7fa0: 0000001f 0000001f 00000001 b6e2b000 0000001f 00000001 <4>[ 174.798354] 7fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e2b000 00020000 0046fe38 <4>[ 174.806798] 7fe0: 00000004 be9a67e8 b6ef133b b6e6a616 REFCOUNT_ADD_OVERFLOW.sh # exit=1<4>[ 174.812180] irq event stamp: 0 # selftests: lkdtm: REFCOUNT_IN<4>[ 174.818366] hardirqs last enabled at (0): [<00000000>] 0x0 C_NOT_ZERO_OVERFLOW.sh <4>[ 174.827078] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 174.836896] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 174.844674] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 174.850538] ---[ end trace 311b3a6134d5029d ]--- <6>[ 174.855427] lkdtm: Overflow detected: saturated # [ 174.494468] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 174.503374] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 174.512755] ------------[ cut here ]------------ # [ 174.520572] WARNING: CPU: 0 PID: 2744 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 174.532101] refcount_t: saturated; leaking memory. # [ 174.540030] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 174.575063] CPU: 0 PID: 2744 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 174.585885] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 174.592679] Backtrace: # [ 174.595411] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 174.603253] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 174.609186] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 174.616771] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 174.624005] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b1b8 # [ 174.632019] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 174.639770] r7:00000013 r6:c1a2b1b8 r5:c1a2b190 r4:c6be6000 # [ 174.645703] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 174.654931] r9:c1ad7210 r8:c15ec020 r7:c6be7f60 r6:0000001f r5:c6c5b000 r4:7fffffff # [ 174.662953] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 174.673664] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 174.685580] r5:c6c5b000 r4:c6be6000 # [ 174.689431] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 174.699608] r4:0000002d # [ 174.702413] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 174.710693] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 174.718881] r9:c6be7f60 r8:c5336480 r7:0000001f r6:b6e2b000 r5:c42f0a00 r4:c0c5931c # [ 174.726902] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 174.735004] r9:c07e2978 r8:c6be7f60 r7:c290d000 r6:b6e2b000 r5:c42f0a00 r4:00000000 # [ 174.743019] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 174.750423] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6be6000 r5:c42f0a00 # [ 174.758518] r4:c42f0a00 # [ 174.761324] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 174.768730] r9:c6be6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 174.776746] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 174.784583] Exception stack(0xc6be7fa8 to 0xc6be7ff0) # [ 174.789907] 7fa0: 0000001f 0000001f 00000001 b6e2b000 0000001f 00000001 # [ 174.798354] 7fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e2b000 00020000 0046fe38 # [ 174.806798] 7fe0: 00000004 be9a67e8 b6ef133b b6e6a616 # [ 174.812180] irq event stamp: 0 # [ 174.818366] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 174.827078] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 174.836896] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 174.844674] softirqs last disabled at (0): [<00000000>] 0x0 # [ 174.850538] ---[ end trace 311b3a6134d5029d ]<6>[ 175.287005] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW --- # [ 174.855427] lkdtm: Over<6>[ 175.294686] lkdtm: attempting bad refcount_add_not_zero() overflow flow detected: saturated # REFCO<4>[ 175.304100] ------------[ cut here ]------------ UNT_INC_NOT_ZERO_OVERFLOW: missin<4>[ 175.311840] WARNING: CPU: 1 PID: 2779 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 g 'call trace:': [FAIL] not ok 4<4>[ 175.323305] refcount_t: saturated; leaking memory. 4 selftests: lkdtm: REFCOUNT_INC_<4>[ 175.331199] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 NOT_ZERO_OVERFLOW.sh # exit=1 # <4>[ 175.366216] CPU: 1 PID: 2779 Comm: cat Tainted: G D W 5.10.218-cip49 #1 selftests: lkm[: R1E7F5C.O77015] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) UNT_ADD_NOT_ZERO_OVF[L O W1.5.385709] Backtrace: sh <4>[ 175.390601] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 175.398765] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 175.404698] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 175.412286] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 175.419518] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b1b8 <4>[ 175.427534] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 175.435286] r7:00000013 r6:c1a2b1b8 r5:c1a2b190 r4:c5f34000 <4>[ 175.441220] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 175.450449] r9:c1ad7230 r8:c15ec020 r7:c5f35f60 r6:0000001f r5:c4297000 r4:7fffffff <4>[ 175.458470] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 175.469177] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 175.481093] r5:c4297000 r4:c5f34000 <4>[ 175.484947] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 175.495125] r4:0000002e <4>[ 175.497930] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 175.506211] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 175.514398] r9:c5f35f60 r8:c5336480 r7:0000001f r6:b6dab000 r5:c6bb0f00 r4:c0c5931c <4>[ 175.522419] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 175.530521] r9:c07e2978 r8:c5f35f60 r7:c290d000 r6:b6dab000 r5:c6bb0f00 r4:00000000 <4>[ 175.538536] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 175.545941] r10:00000004 r9:00000000 r8:00000000 r7:b6dab000 r6:c5f34000 r5:c6bb0f00 <4>[ 175.554035] r4:c6bb0f00 <4>[ 175.556843] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 175.564247] r9:c5f34000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 175.572263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 175.580099] Exception stack(0xc5f35fa8 to 0xc5f35ff0) <4>[ 175.585421] 5fa0: 0000001f 0000001f 00000001 b6dab000 0000001f 00000001 <4>[ 175.593869] 5fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dab000 00020000 0048fe38 <4>[ 175.602316] 5fe0: 00000004 bed6a7e8 b6e7133b b6dea616 <4>[ 175.607706] irq event stamp: 0 <4>[ 175.611071] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 175.616926] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 175.624779] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 175.632570] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 175.638414] ---[ end trace 311b3a6134d5029e ]--- <6>[ 175.643336] lkdtm: Overflow detected: saturated # [ 175.287005] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 175.294686] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 175.304100] ------------[ cut here ]------------ # [ 175.311840] WARNING: CPU: 1 PID: 2779 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 175.323305] refcount_t: saturated; leaking memory. # [ 175.331199] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 # [ 175.366216] CPU: 1 PID: 2779 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 175.377015] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 175.385709] Backtrace: # [ 175.390601] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 175.398765] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 175.404698] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 175.412286] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 175.419518] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a2b1b8 # [ 175.427534] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 175.435286] r7:00000013 r6:c1a2b1b8 r5:c1a2b190 r4:c5f34000 # [ 175.441220] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 175.450449] r9:c1ad7230 r8:c15ec020 r7:c5f35f60 r6:0000001f r5:c4297000 r4:7fffffff # [ 175.458470] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 175.469177] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 175.481093] r5:c4297000 r4:c5f34000 # [ 175.484947] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 175.495125] r4:0000002e # [ 175.497930] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 175.506211] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 175.514398] r9:c5f35f60 r8:c5336480 r7:0000001f r6:b6dab000 r5:c6bb0f00 r4:c0c5931c # [ 175.522419] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 175.530521] r9:c07e2978 r8:c5f35f60 r7:c290d000 r6:b6dab000 r5:c6bb0f00 r4:00000000 # [ 175.538536] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 175.545941] r10:00000004 r9:00000000 r8:00000000 r7:b6dab000 r6:c5f34000 r5:c6bb0f00 # [ 175.554035] r4:c6bb0f00 # [ 175.556843] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 175.564247] r9:c5f34000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 175.572263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 175.580099] Exception stack(0xc5f35fa8 to 0xc5f35ff0) # [ 175.585421] 5fa0: 0000001f 0000001f 00000001 b6dab000 0000001f 00000001 # [ 175.593869] 5fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dab000 00020000 0048fe38 # [ 175.602316] 5fe0: 00000004 bed6a7e8 b6e7133b b6dea616 # [ 175.607706] irq event stamp: 0 # [ 175.611071] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 175.616926] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 175.624779] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 175.632570] softirqs last di<6>[ 176.059353] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO sabled at (0): [<<060>0[0 0 01070.066132] lkdtm: attempting good refcount_dec() >] 0x0 # [ 175.638414] ---[ end<6>[ 176.073370] lkdtm: attempting bad refcount_dec() to zero trace 311b3a6134d5029e ]--- # [<4>[ 176.081702] ------------[ cut here ]------------ 175.643336] lkdtm: Overflow det<4>[ 176.089450] WARNING: CPU: 3 PID: 2814 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 ected: saturated # REFCOUNT_ADD_<4>[ 176.100969] refcount_t: decrement hit 0; leaking memory. NOT_ZERO_OVERFLOW: missing 'call <4>[ 176.109453] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb imxdrm imx_ipu_v3 trace:': [FAIL] not ok 45 selfte<4>[ 176.144426] CPU: 3 PID: 2814 Comm: cat Tainted: G D W 5.10.218-cip49 #1 sts: lkdtm: RC[O U N1T7_6A.D55246] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) D_NOT_ZERO_OVERFL.[s h 1#7 .163942] Backtrace: exit=1 # selftests: lkdtm: REFCO<4>[ 176.168746] [] (dump_backtrace) from [] (show_stack+0x20/0x24) UNT_DEC_ZERO.sh <4>[ 176.179429] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 176.186824] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 176.194409] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 176.201642] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a2b1b8 <4>[ 176.209658] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 176.217411] r7:0000001f r6:c1a2b1b8 r5:c1a2b21c r4:c6d5a000 <4>[ 176.223344] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 176.232573] r9:c1ad7250 r8:c15ec020 r7:c6d5bf60 r6:00000012 r5:c47b0000 r4:c6d5a000 <4>[ 176.240594] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 176.250523] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 176.260537] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 176.269588] r4:0000002f <4>[ 176.272394] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 176.280675] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 176.288865] r9:c6d5bf60 r8:c5336480 r7:00000012 r6:b6e6d000 r5:c6bb9680 r4:c0c5931c <4>[ 176.296885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 176.304985] r9:c07e2978 r8:c6d5bf60 r7:c290d000 r6:b6e6d000 r5:c6bb9680 r4:00000000 <4>[ 176.312999] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 176.320404] r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6d5a000 r5:c6bb9680 <4>[ 176.328499] r4:c6bb9680 <4>[ 176.331305] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 176.338711] r9:c6d5a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 176.346728] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 176.354563] Exception stack(0xc6d5bfa8 to 0xc6d5bff0) <4>[ 176.359885] bfa0: 00000012 00000012 00000001 b6e6d000 00000012 00000001 <4>[ 176.368333] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6e6d000 00020000 004efe38 <4>[ 176.376777] bfe0: 00000004 bed2a7e8 b6f3333b b6eac616 <4>[ 176.382151] irq event stamp: 0 <4>[ 176.385486] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 176.391362] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 176.399145] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 176.406907] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 176.412786] ---[ end trace 311b3a6134d5029f ]--- <6>[ 176.417681] lkdtm: Zero detected: saturated <3>[ 202.438984] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 202.444880] rcu: 0-....: (1 GPs behind) idle=f62/1/0x40000004 softirq=5491/5492 fqs=1017 <4>[ 202.453434] (t=2602 jiffies g=7253 q=188) <4>[ 202.457819] NMI backtrace for cpu 0 <4>[ 202.461604] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 202.469892] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 202.476695] Backtrace: <4>[ 202.479436] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 202.487282] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 202.493219] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 202.500809] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 202.508914] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 202.516935] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 202.526856] r5:c1e16800 r4:c03115d8 <4>[ 202.530714] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 202.541597] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 202.549617] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 202.559814] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 202.569134] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 202.577232] r4:c1ea9500 <4>[ 202.580047] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 202.589193] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:21c4c6ef r6:c1e01c18 r5:c1e00000 <4>[ 202.597291] r4:00000000 <4>[ 202.600103] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 202.609070] r5:0000002f r4:ef786f68 <4>[ 202.612920] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 202.621546] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 202.630608] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 202.638628] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 202.647774] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:21c4bdd2 r6:0000002f r5:60070193 <4>[ 202.655870] r4:ef7869c0 <4>[ 202.658683] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 202.666874] r10:00000002 r9:c1e01c18 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 202.674970] r4:00000001 <4>[ 202.677786] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 202.686580] r5:c2973700 r4:c295b400 <4>[ 202.690431] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 202.699838] r9:c1e01c18 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 202.707858] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 202.716484] r9:c1e01c18 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 202.724501] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 202.732254] Exception stack(0xc1e01c18 to 0xc1e01c60) <4>[ 202.737579] 1c00: 140234e0 00000000 <4>[ 202.746033] 1c20: 02000000 00000000 00000000 c6c61cc0 f0a43860 0000083f c2c23000 c2c24000 <4>[ 202.754484] 1c40: 00000002 c1e01d0c c1e01c58 c1e01c68 c031db80 c0da1018 60070113 ffffffff <4>[ 202.762934] r9:c1e00000 r8:c2c23000 r7:c1e01c4c r6:ffffffff r5:60070113 r4:c0da1018 <4>[ 202.770963] [] (fec_enet_rx_napi) from [] (net_rx_action+0x148/0x508) <4>[ 202.779414] r10:0000012c r9:c1e01d34 r8:ef78e640 r7:c1e00000 r6:00000040 r5:00000001 <4>[ 202.787511] r4:c2c23818 <4>[ 202.790322] [] (net_rx_action) from [] (__do_softirq+0x1e8/0x5a0) <4>[ 202.798424] r10:c1e00000 r9:00000008 r8:c1e15d98 r7:c206b5c0 r6:00000003 r5:00000004 <4>[ 202.806520] r4:c1e0308c <4>[ 202.809332] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 202.817522] r10:00000029 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 202.825619] r4:ffffe000 <4>[ 202.828428] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 202.836092] r5:00000000 r4:c1dad49c <4>[ 202.839942] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 202.848045] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 202.856669] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 202.864684] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 202.872434] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 202.877762] 1e60: c1002c1c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 202.886213] 1e80: c1e15d98 c206c280 00000029 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002c20 <4>[ 202.894660] 1ea0: 60070013 ffffffff <4>[ 202.898422] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002c20 <4>[ 202.906445] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 202.914982] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 202.923079] r4:ef78cb78 <4>[ 202.925893] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 202.933559] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 202.939493] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 202.947336] r10:c4f5bba3 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 202.955432] r4:000000dc <4>[ 202.958246] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 202.966448] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 202.974635] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 202.979531] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 202.988159] [] (start_kernel) from [<00000000>] (0x0) <3>[ 280.468984] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 280.474873] rcu: 0-....: (1 GPs behind) idle=f62/1/0x40000004 softirq=5491/5492 fqs=3979 <4>[ 280.483427] (t=10405 jiffies g=7253 q=189) <4>[ 280.487897] NMI backtrace for cpu 0 <4>[ 280.491682] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 280.499970] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 280.506780] Backtrace: <4>[ 280.509546] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 280.517414] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 280.523359] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 280.530948] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 280.539052] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 280.547070] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 280.556992] r5:c1e16800 r4:c03115d8 <4>[ 280.560849] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 280.571734] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 280.579755] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 280.589950] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 280.599271] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 280.607368] r4:c1ea9500 <4>[ 280.610183] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 280.619328] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:4cb82a01 r6:c1e01c18 r5:c1e00000 <4>[ 280.627426] r4:00000000 <4>[ 280.630237] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 280.639205] r5:00000041 r4:ef786f68 <4>[ 280.643056] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 280.651682] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 280.660741] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 280.668761] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 280.677906] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:4cb820e3 r6:00000041 r5:60070193 <4>[ 280.686005] r4:ef7869c0 <4>[ 280.688817] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 280.697007] r10:00000002 r9:c1e01c18 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 280.705103] r4:00000001 <4>[ 280.707919] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 280.716713] r5:c2973700 r4:c295b400 <4>[ 280.720566] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 280.729971] r9:c1e01c18 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 280.737991] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 280.746615] r9:c1e01c18 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 280.754631] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 280.762385] Exception stack(0xc1e01c18 to 0xc1e01c60) <4>[ 280.767708] 1c00: 140234e0 00000000 <4>[ 280.776159] 1c20: 02000000 00000000 00000000 c6c61cc0 f0a43860 0000083f c2c23000 c2c24000 <4>[ 280.784609] 1c40: 00000002 c1e01d0c c1e01c58 c1e01c68 c031db80 c0da1018 60070113 ffffffff <4>[ 280.793059] r9:c1e00000 r8:c2c23000 r7:c1e01c4c r6:ffffffff r5:60070113 r4:c0da1018 <4>[ 280.801087] [] (fec_enet_rx_napi) from [] (net_rx_action+0x148/0x508) <4>[ 280.809538] r10:0000012c r9:c1e01d34 r8:ef78e640 r7:c1e00000 r6:00000040 r5:00000001 <4>[ 280.817635] r4:c2c23818 <4>[ 280.820446] [] (net_rx_action) from [] (__do_softirq+0x1e8/0x5a0) <4>[ 280.828550] r10:c1e00000 r9:00000008 r8:c1e15d98 r7:c206b5c0 r6:00000003 r5:00000004 <4>[ 280.836647] r4:c1e0308c <4>[ 280.839459] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 280.847650] r10:00000029 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 280.855747] r4:ffffe000 <4>[ 280.858556] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 280.866221] r5:00000000 r4:c1dad49c <4>[ 280.870072] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 280.878178] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 280.886802] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 280.894820] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 280.902570] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 280.907898] 1e60: c1002c1c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 280.916350] 1e80: c1e15d98 c206c280 00000029 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002c20 <4>[ 280.924797] 1ea0: 60070013 ffffffff <4>[ 280.928560] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002c20 <4>[ 280.936583] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 280.945121] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 280.953218] r4:ef78cb78 <4>[ 280.956030] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 280.963698] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 280.969633] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 280.977478] r10:c4f5bba3 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 280.985576] r4:000000dc <4>[ 280.988390] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 280.996589] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 281.004777] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 281.009674] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 281.018301] [] (start_kernel) from [<00000000>] (0x0) <3>[ 358.498985] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 358.504874] rcu: 0-....: (1 GPs behind) idle=f62/1/0x40000004 softirq=5491/5492 fqs=7307 <4>[ 358.513432] (t=18208 jiffies g=7253 q=437) <4>[ 358.517902] NMI backtrace for cpu 0 <4>[ 358.521685] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 358.529975] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 358.536784] Backtrace: <4>[ 358.539550] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 358.547415] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 358.553376] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 358.560970] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 358.569071] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 358.577086] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 358.587006] r5:c1e16800 r4:c03115d8 <4>[ 358.590860] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 358.601738] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 358.609756] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 358.619946] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 358.629261] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 358.637356] r4:c1ea9500 <4>[ 358.640167] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 358.649312] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:77ab71ba r6:c1e01c18 r5:c1e00000 <4>[ 358.657407] r4:00000000 <4>[ 358.660216] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 358.669182] r5:00000053 r4:ef786f68 <4>[ 358.673030] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 358.681652] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 358.690707] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 358.698723] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 358.707867] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:77ab689c r6:00000053 r5:60070193 <4>[ 358.715961] r4:ef7869c0 <4>[ 358.718768] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 358.726955] r10:00000002 r9:c1e01c18 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 358.735049] r4:00000001 <4>[ 358.737859] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 358.746650] r5:c2973700 r4:c295b400 <4>[ 358.750498] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 358.759901] r9:c1e01c18 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 358.767916] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 358.776539] r9:c1e01c18 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 358.784554] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 358.792302] Exception stack(0xc1e01c18 to 0xc1e01c60) <4>[ 358.797623] 1c00: 140234e0 00000000 <4>[ 358.806072] 1c20: 02000000 00000000 00000000 c6c61cc0 f0a43860 0000083f c2c23000 c2c24000 <4>[ 358.814518] 1c40: 00000002 c1e01d0c c1e01c58 c1e01c68 c031db80 c0da1018 60070113 ffffffff <4>[ 358.822965] r9:c1e00000 r8:c2c23000 r7:c1e01c4c r6:ffffffff r5:60070113 r4:c0da1018 <4>[ 358.830988] [] (fec_enet_rx_napi) from [] (net_rx_action+0x148/0x508) <4>[ 358.839436] r10:0000012c r9:c1e01d34 r8:ef78e640 r7:c1e00000 r6:00000040 r5:00000001 <4>[ 358.847529] r4:c2c23818 <4>[ 358.850336] [] (net_rx_action) from [] (__do_softirq+0x1e8/0x5a0) <4>[ 358.858437] r10:c1e00000 r9:00000008 r8:c1e15d98 r7:c206b5c0 r6:00000003 r5:00000004 <4>[ 358.866531] r4:c1e0308c <4>[ 358.869338] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 358.877527] r10:00000029 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 358.885621] r4:ffffe000 <4>[ 358.888425] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 358.896086] r5:00000000 r4:c1dad49c <4>[ 358.899934] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 358.908033] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 358.916655] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 358.924667] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 358.932416] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 358.937740] 1e60: c1002c1c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 358.946187] 1e80: c1e15d98 c206c280 00000029 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002c20 <4>[ 358.954630] 1ea0: 60070013 ffffffff <4>[ 358.958388] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002c20 <4>[ 358.966406] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 358.974941] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 358.983036] r4:ef78cb78 <4>[ 358.985847] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 358.993511] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 358.999441] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 359.007282] r10:c4f5bba3 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 359.015376] r4:000000dc <4>[ 359.018186] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 359.026383] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 359.034569] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 359.039458] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 359.048084] [] (start_kernel) from [<00000000>] (0x0) <3>[ 436.528976] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 436.534864] rcu: 0-....: (1 GPs behind) idle=f62/1/0x40000004 softirq=5491/5492 fqs=10419 <4>[ 436.543506] (t=26011 jiffies g=7253 q=480) <4>[ 436.547977] NMI backtrace for cpu 0 <4>[ 436.551762] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 436.560053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 436.566864] Backtrace: <4>[ 436.569630] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 436.577497] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 436.583462] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 436.591056] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 436.599156] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 436.607173] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 436.617094] r5:c1e16800 r4:c03115d8 <4>[ 436.620950] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 436.631828] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 436.639845] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 436.650036] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 436.659352] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 436.667446] r4:c1ea9500 <4>[ 436.670256] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 436.679399] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:a29eaf08 r6:c1e01c18 r5:c1e00000 <4>[ 436.687494] r4:00000000 <4>[ 436.690302] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 436.699266] r5:00000065 r4:ef786f68 <4>[ 436.703112] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 436.711736] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 436.720792] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 436.728807] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 436.737950] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:a29ea5eb r6:00000065 r5:60070193 <4>[ 436.746045] r4:ef7869c0 <4>[ 436.748854] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 436.757041] r10:00000002 r9:c1e01c18 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 436.765134] r4:00000001 <4>[ 436.767946] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 436.776738] r5:c2973700 r4:c295b400 <4>[ 436.780587] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 436.789991] r9:c1e01c18 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 436.798007] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 436.806631] r9:c1e01c18 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 436.814645] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 436.822393] Exception stack(0xc1e01c18 to 0xc1e01c60) <4>[ 436.827713] 1c00: 140234e0 00000000 <4>[ 436.836162] 1c20: 02000000 00000000 00000000 c6c61cc0 f0a43860 0000083f c2c23000 c2c24000 <4>[ 436.844610] 1c40: 00000002 c1e01d0c c1e01c58 c1e01c68 c031db80 c0da1018 60070113 ffffffff <4>[ 436.853055] r9:c1e00000 r8:c2c23000 r7:c1e01c4c r6:ffffffff r5:60070113 r4:c0da1018 <4>[ 436.861078] [] (fec_enet_rx_napi) from [] (net_rx_action+0x148/0x508) <4>[ 436.869525] r10:0000012c r9:c1e01d34 r8:ef78e640 r7:c1e00000 r6:00000040 r5:00000001 <4>[ 436.877620] r4:c2c23818 <4>[ 436.880428] [] (net_rx_action) from [] (__do_softirq+0x1e8/0x5a0) <4>[ 436.888528] r10:c1e00000 r9:00000008 r8:c1e15d98 r7:c206b5c0 r6:00000003 r5:00000004 <4>[ 436.896622] r4:c1e0308c <4>[ 436.899428] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 436.907615] r10:00000029 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 436.915709] r4:ffffe000 <4>[ 436.918514] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 436.926177] r5:00000000 r4:c1dad49c <4>[ 436.930023] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 436.938124] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 436.946744] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 436.954755] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 436.962503] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 436.967824] 1e60: c1002c1c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 436.976271] 1e80: c1e15d98 c206c280 00000029 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002c20 <4>[ 436.984714] 1ea0: 60070013 ffffffff <4>[ 436.988473] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002c20 <4>[ 436.996490] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 437.005025] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 437.013120] r4:ef78cb78 <4>[ 437.015929] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 437.023592] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 437.029523] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 437.037363] r10:c4f5bba3 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 437.045458] r4:000000dc <4>[ 437.048268] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 437.056464] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 437.064651] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 437.069542] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 437.078165] [] (start_kernel) from [<00000000>] (0x0) <5>[ 494.570098] nfs: server 192.168.201.1 not responding, still trying <3>[ 514.558983] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 514.564879] rcu: 0-....: (1 GPs behind) idle=f62/1/0x40000004 softirq=5491/5492 fqs=13830 <4>[ 514.573522] (t=33814 jiffies g=7253 q=544) <4>[ 514.577993] NMI backtrace for cpu 0 <4>[ 514.581780] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.218-cip49 #1 <4>[ 514.590071] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 514.596882] Backtrace: <4>[ 514.599654] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 514.607520] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 514.613484] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 514.621079] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 514.629180] r9:c19df0a8 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 514.637194] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 514.647115] r5:c1e16800 r4:c03115d8 <4>[ 514.650969] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 514.661848] r9:c19df0a8 r8:c206a85a r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 514.669864] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 514.680055] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 514.689373] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 514.697468] r4:c1ea9500 <4>[ 514.700279] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 514.709422] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:cd92012c r6:c1e01c18 r5:c1e00000 <4>[ 514.717517] r4:00000000 <4>[ 514.720324] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 514.729289] r5:00000077 r4:ef786f68 <4>[ 514.733135] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 514.741760] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 514.750815] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 514.758830] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 514.767972] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:cd91f6c2 r6:00000077 r5:60070193 <4>[ 514.776067] r4:ef7869c0 <4>[ 514.778875] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 514.787062] r10:00000002 r9:c1e01c18 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 514.795156] r4:00000001 <4>[ 514.797968] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 514.806758] r5:c2973700 r4:c295b400 <4>[ 514.810607] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 514.820011] r9:c1e01c18 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 514.828028] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 514.836648] r9:c1e01c18 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 514.844662] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 514.852412] Exception stack(0xc1e01c18 to 0xc1e01c60) <4>[ 514.857733] 1c00: 140234e0 00000000 <4>[ 514.866181] 1c20: 02000000 00000000 00000000 c6c61cc0 f0a43860 0000083f c2c23000 c2c24000 <4>[ 514.874629] 1c40: 00000002 c1e01d0c c1e01c58 c1e01c68 c031db80 c0da1018 60070113 ffffffff <4>[ 514.883075] r9:c1e00000 r8:c2c23000 r7:c1e01c4c r6:ffffffff r5:60070113 r4:c0da1018 <4>[ 514.891097] [] (fec_enet_rx_napi) from [] (net_rx_action+0x148/0x508) <4>[ 514.899545] r10:0000012c r9:c1e01d34 r8:ef78e640 r7:c1e00000 r6:00000040 r5:00000001 <4>[ 514.907640] r4:c2c23818 <4>[ 514.910446] [] (net_rx_action) from [] (__do_softirq+0x1e8/0x5a0) <4>[ 514.918547] r10:c1e00000 r9:00000008 r8:c1e15d98 r7:c206b5c0 r6:00000003 r5:00000004 <4>[ 514.926642] r4:c1e0308c <4>[ 514.929449] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 514.937635] r10:00000029 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 514.945729] r4:ffffe000 <4>[ 514.948534] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 514.956195] r5:00000000 r4:c1dad49c <4>[ 514.960041] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 514.968141] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 514.976761] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 514.984772] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 514.992519] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 514.997842] 1e60: c1002c1c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 515.006290] 1e80: c1e15d98 c206c280 00000029 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002c20 <4>[ 515.014733] 1ea0: 60070013 ffffffff <4>[ 515.018491] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002c20 <4>[ 515.026510] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 515.035043] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 515.043138] r4:ef78cb78 <4>[ 515.045950] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 515.053616] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 515.059546] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 515.067387] r10:c4f5bba3 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 515.075480] r4:000000dc <4>[ 515.078291] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 515.086487] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 515.094673] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 515.099564] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 515.108188] [] (start_kernel) from [<00000000>] (0x0)