[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 192.168.201.38 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 14091011/tftp-deploy-a8f60s2d/kernel/zImage tftp 0x10000000 14091011/tftp-deploy-a8f60s2d/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '14091011/tftp-deploy-a8f60s2d/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 14.1 MiB/s done Bytes transferred = 12558848 (bfa200 hex) => tftp 0x14000000 14091011/tftp-deploy-a8f60s2d/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 14091011/tftp-deploy-a8f60s2d/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '14091011/tftp-deploy-a8f60s2d/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ######################################################### 5.8 MiB/s done Bytes transferred = 16102674 (f5b512 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 14091011/tftp-deploy-a8f60s2d/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 14091011/tftp-deploy-a8f60s2d/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '14091011/tftp-deploy-a8f60s2d/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4.5 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/14091011/extract-nfsrootfs-k8wawi7k,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/14091011/extract-nfsrootfs-k8wawi7k,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 - 0xbfa200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 16102610 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 5.10.216-cip47 (KernelCI@build-j211253-arm-gcc-10-multi-v7-defconfig-kselftest-hpld9) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu May 30 07:51:22 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/14091011/extract-nfsrootfs-k8wawi7k,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 56169 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022938] Console: colour dummy device 80x30 <4>[ 0.024847] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032856] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037200] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041611] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046246] ... CLASSHASH_SIZE: 4096 <4>[ 0.050833] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055553] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060228] ... CHAINHASH_SIZE: 32768 <4>[ 0.064925] memory used by lock dependency info: 4061 kB <4>[ 0.070607] memory used for stack traces: 2112 kB <4>[ 0.075652] per task-struct memory footprint: 1536 bytes <6>[ 0.081341] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091754] CPU: Testing write buffer coherency: ok <6>[ 0.096889] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102166] pid_max: default: 32768 minimum: 301 <6>[ 0.107362] LSM: Security Framework initializing <6>[ 0.111984] LSM support for eBPF active <6>[ 0.116138] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123585] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135016] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141533] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147880] rcu: Hierarchical SRCU implementation. <6>[ 0.159252] EFI services will not be available. <6>[ 0.162307] smp: Bringing up secondary CPUs ... <6>[ 0.168823] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168839] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180584] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180600] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.191993] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192008] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201034] smp: Brought up 1 node, 4 CPUs <6>[ 0.204754] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211289] CPU: All CPU(s) started in SVC mode. <6>[ 0.218527] devtmpfs: initialized <6>[ 0.266345] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.273774] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.281700] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293404] pinctrl core: initialized pinctrl subsystem <6>[ 0.302391] DMI not present or invalid. <6>[ 0.305876] NET: Registered protocol family 16 <6>[ 0.317997] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.330692] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.331196] cpuidle: using governor menu <6>[ 0.339322] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.970679] vdd1p1: supplied by regulator-dummy <6>[ 0.999370] vdd3p0: supplied by regulator-dummy <6>[ 1.027638] vdd2p5: supplied by regulator-dummy <6>[ 1.055982] vddarm: supplied by regulator-dummy <6>[ 1.084969] vddpu: supplied by regulator-dummy <6>[ 1.112435] vddsoc: supplied by regulator-dummy <6>[ 2.237356] No ATAGs? <6>[ 2.238121] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.245389] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.268176] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.297308] Serial: AMBA PL011 UART driver <6>[ 2.353886] Kprobes globally optimized <6>[ 2.455442] iommu: Default domain type: Translated <6>[ 2.459592] vgaarb: loaded <5>[ 2.464990] SCSI subsystem initialized <6>[ 2.468080] usbcore: registered new interface driver usbfs <6>[ 2.472227] usbcore: registered new interface driver hub <6>[ 2.477644] usbcore: registered new device driver usb <6>[ 2.489363] i2c i2c-0: IMX I2C adapter registered <6>[ 2.497416] i2c i2c-1: IMX I2C adapter registered <6>[ 2.503663] i2c i2c-2: IMX I2C adapter registered <6>[ 2.509827] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.512264] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.521709] PTP clock support registered <6>[ 2.540218] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.306901] NET: Registered protocol family 2 <6>[ 4.309424] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.319434] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.325509] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.333547] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.342442] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.348533] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.355439] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.362233] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.369950] NET: Registered protocol family 1 <6>[ 4.376412] RPC: Registered named UNIX socket transport module. <6>[ 4.380043] RPC: Registered udp transport module. <6>[ 4.385117] RPC: Registered tcp transport module. <6>[ 4.389955] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.396739] NET: Registered protocol family 44 <6>[ 4.401429] PCI: CLS 0 bytes, default 64 <6>[ 4.407642] Trying to unpack rootfs image as initramfs... <6>[ 6.243745] Freeing initrd memory: 15728K <4>[ 6.246214] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.253896] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.268908] Initialise system trusted keyrings <6>[ 6.271933] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.319497] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.326163] NFS: Registering the id_resolver key type <5>[ 6.328867] Key type id_resolver registered <5>[ 6.333160] Key type id_legacy registered <6>[ 6.337860] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.344428] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.352179] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.358474] Key type asymmetric registered <5>[ 6.361092] Asymmetric key parser 'x509' registered <6>[ 6.366353] bounce: pool size: 64 pages <6>[ 6.370332] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.377871] io scheduler mq-deadline registered <6>[ 6.382637] io scheduler kyber registered <4>[ 6.387678] test_firmware: interface ready <6>[ 6.544557] mxs-dma 110000.dma-controller: initialized <4>[ 6.603027] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.611109] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.817936] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.839392] SuperH (H)SCI(F) driver initialized <6>[ 6.844023] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.854874] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.861430] printk: console [ttymxc1] enabled <6>[ 6.861430] printk: console [ttymxc1] enabled <6>[ 6.870212] printk: bootconsole [ec_imx21] disabled <6>[ 6.870212] printk: bootconsole [ec_imx21] disabled <6>[ 6.886056] msm_serial: driver initialized <6>[ 6.891482] STMicroelectronics ASC driver initialized <6>[ 6.902642] STM32 USART driver initialized <6>[ 6.926348] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.946236] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.954842] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.962751] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.011384] brd: module loaded <6>[ 7.056438] loop: module loaded <6>[ 7.062759] lkdtm: No crash points registered, enable through debugfs <6>[ 7.083258] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.091542] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.099840] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.108369] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.116631] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.125007] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.133064] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.144554] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.151923] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.161059] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.175134] scsi host0: ahci-imx <6>[ 7.180754] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.238690] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.251912] pps pps0: new PPS source ptp0 <6>[ 7.299301] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.309728] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.315035] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.321502] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.327190] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.352522] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.360396] usbcore: registered new interface driver pegasus <6>[ 7.366528] usbcore: registered new interface driver asix <6>[ 7.372395] usbcore: registered new interface driver ax88179_178a <6>[ 7.378925] usbcore: registered new interface driver cdc_ether <6>[ 7.385281] usbcore: registered new interface driver smsc75xx <6>[ 7.391544] usbcore: registered new interface driver smsc95xx <6>[ 7.397704] usbcore: registered new interface driver net1080 <6>[ 7.403821] usbcore: registered new interface driver cdc_subset <6>[ 7.410200] usbcore: registered new interface driver zaurus <6>[ 7.416303] usbcore: registered new interface driver cdc_ncm <6>[ 7.433678] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.440609] ehci-pci: EHCI PCI platform driver <6>[ 7.445486] ehci-platform: EHCI generic platform driver <6>[ 7.451935] ehci-orion: EHCI orion driver <6>[ 7.457020] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.462117] ehci-st: EHCI STMicroelectronics driver <6>[ 7.468023] ehci-exynos: EHCI Exynos driver <6>[ 7.473300] ehci-atmel: EHCI Atmel driver <6>[ 7.478337] tegra-ehci: Tegra EHCI driver <6>[ 7.483455] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.489990] ohci-pci: OHCI PCI platform driver <6>[ 7.494925] ohci-platform: OHCI generic platform driver <6>[ 7.501323] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.506359] ohci-st: OHCI STMicroelectronics driver <6>[ 7.512320] ohci-atmel: OHCI Atmel driver <6>[ 7.520462] usbcore: registered new interface driver usb-storage <6>[ 7.532617] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.538641] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.545273] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.555691] i2c /dev entries driver <6>[ 7.632741] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.639217] sdhci: Copyright(c) Pierre Ossman <6>[ 7.652537] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.665351] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.674876] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.680397] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.686652] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.693491] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.703298] usbcore: registered new interface driver usbhid <6>[ 7.709164] usbhid: USB HID core driver <6>[ 7.730278] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.730285] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.734910] netem: version 1.3 <6>[ 7.735186] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.737392] IPv4 over IPsec tunneling driver <6>[ 7.742889] NET: Registered protocol family 10 <6>[ 7.768440] Segment Routing with IPv6 <6>[ 7.777303] mmc2: new high speed SDHC card at address 0001 <6>[ 7.778021] NET: Registered protocol family 17 <6>[ 7.786972] mmcblk2: mmc2:0001 SD 14.6 GiB <6>[ 7.789693] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.797978] Key type dns_resolver registered <4>[ 7.814070] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 7.816365] ThumbEE CPU extension supported. <4>[ 7.821995] GPT:29296874 != 30560255 <5>[ 7.826525] Registering SWP/SWPB emulation handler <4>[ 7.830400] GPT:Alternate GPT header not at the end of the disk. <5>[ 7.836909] Loading compiled-in X.509 certificates <4>[ 7.841804] GPT:29296874 != 30560255 <4>[ 7.841825] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.856322] mmcblk2: p1 p2 p3 <4>[ 8.002088] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.010704] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.023042] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.058287] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.073542] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.079064] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.110722] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.129767] hub 1-0:1.0: USB hub found <6>[ 8.134378] hub 1-0:1.0: 1 port detected <6>[ 8.149033] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.178362] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.186879] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.199197] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.226503] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.235072] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.247372] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.264248] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.290299] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.298715] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.311146] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.332275] 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>[ 8.520662] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.728877] hub 1-1:1.0: USB hub found <6>[ 8.733736] hub 1-1:1.0: 3 ports detected <4>[ 8.762309] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.770763] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.783270] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.442148] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.471459] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.500290] Sending DHCP requests ., OK <6>[ 11.544821] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.38 <6>[ 11.553354] IP-Config: Complete: <6>[ 11.556918] device=eth0, hwaddr=00:19:b8:08:f0:fe, ipaddr=192.168.201.38, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.567865] host=imx6q-sabrelite-lava-cbg-8, domain=lava-rack, nis-domain=(none) <6>[ 11.576122] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.576161] nameserver0=192.168.201.1 <6>[ 11.589545] clk: Disabling unused clocks <6>[ 11.644563] Freeing unused kernel memory: 2048K <6>[ 11.660909] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 16.692824] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 16.721977] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.730955] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.743873] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.767794] imx-ipuv3 2800000.ipu: IPUv3H probed <6>[ 16.776693] caam 2100000.crypto: Entropy delay = 3200 <4>[ 16.837158] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 16.843180] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 16.852338] CAN device driver interface <6>[ 16.903945] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 16.909402] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 16.916348] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 16.918317] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.954398] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.006661] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.023911] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.059328] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.085350] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.094208] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.101162] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 17.119523] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 17.132592] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 17.138999] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 17.180455] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1 <4>[ 17.193440] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.231918] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.241087] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.250146] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.259174] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.261902] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.276317] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.307576] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.316139] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 17.320848] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 17.347187] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 17.351892] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 17.376839] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.412212] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.436735] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.486923] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.495899] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.504652] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.513379] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.532647] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.541245] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.556448] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.598440] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.607409] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.616517] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.625369] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.874069] caam algorithms registered in /proc/crypto <6>[ 17.896083] caam 2100000.crypto: registering rng-caam <4>[ 17.911019] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.919566] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.946886] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.001565] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.010398] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.019091] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.027804] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.047787] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.059657] panel-simple panel-lcd: Specify missing connector_type <5>[ 18.085490] random: crng init done Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/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:f0:fe mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.38 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-8 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 20.130120] systemd[1]: System time before build time, advancing clock. <30>[ 20.444889] 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>[ 20.482403] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 20.547366] systemd[1]: Hostname set to . <30>[ 22.481024] systemd[1]: Queued start job for default target graphical.target. <30>[ 22.502089] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 22.558458] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 22.609150] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 22.666396] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 22.714789] 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>[ 22.764053] 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>[ 22.812232] 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>[ 22.833930] systemd[1]: Expecting device dev-ttymxc1.device - /dev/ttymxc1... Expecting device dev-ttymxc1.device - /dev/ttymxc1... <30>[ 22.870751] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 22.911253] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 22.962509] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 23.000784] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 23.041320] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 23.081573] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 23.121775] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 23.175357] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 23.276314] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 23.295607] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 23.347407] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 23.397469] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 23.452686] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 23.506026] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 23.554407] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). <30>[ 23.572611] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). <30>[ 23.597582] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 23.649544] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 23.703460] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 23.763278] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 23.821016] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 23.870782] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 23.923129] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 23.993450] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 24.056245] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <6>[ 24.091337] fuse: init (API version 7.32) <30>[ 24.128572] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 24.193614] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 24.252537] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 24.314575] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 24.374062] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 24.457578] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 24.513240] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 24.567136] 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>[ 24.675111] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 24.685851] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 24.746073] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 24.756911] 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>[ 24.812075] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. [ 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... <46>[ 25.462096] systemd-journald[294]: Received client request to flush runtime journal. Starting systemd-sysctl.se…ce - Apply Kernel Variables... 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>[ 27.473614] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 27.677453] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 27.686404] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 27.698149] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 27.707231] cfg80211: failed to load regulatory.db [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ OK ] Reached target time-set.target - System Time Set. [ OK ] Started systemd-networkd.service - Network Configuration. <46>[ 27.983868] systemd-journald[294]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 28.002351] systemd-journald[294]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating. [ OK ] Reached target network.target - Network. [* ] (1 of 2) Job dev-ttymxc1.device/start running (7s / 1min 30s) M [** ] (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 ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started dbus.service - D-Bus System Message Bus. [ 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 5.10.216-cip47 #1 SMP Thu May 30 07:51:22 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/14091011/extract-nfsrootfs-k8wawi7k' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14091011/extract-nfsrootfs-k8wawi7k' / # 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-14091011/environment . /lava-14091011/environment / # /lava-14091011/bin/lava-test-runner /lava-14091011/0 /lava-14091011/bin/lava-test-runner /lava-14091011/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14091011/0/tests/0_timesync-off ++ cat uuid + UUID=14091011_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-14091011/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14091011_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/v5.10.216-cip47-47-g42df769f88c3/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 --2024-05-30 08:06:46-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-47-g42df769f88c3/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: 1345960 (1.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 20.46K 80.2KB/s kselftest_armhf.tar 6%[> ] 78.92K 154KB/s kselftest_armhf.tar 9%[> ] 122.75K 160KB/s kselftest_armhf.tar 12%[=> ] 170.83K 167KB/s kselftest_armhf.tar 16%[==> ] 221.74K 173KB/s kselftest_armhf.tar 20%[===> ] 275.47K 179KB/s kselftest_armhf.tar 25%[====> ] 330.62K 184KB/s kselftest_armhf.tar 29%[====> ] 384.35K 187KB/s kselftest_armhf.tar 33%[=====> ] 440.92K 191KB/s kselftest_armhf.tar 37%[======> ] 494.65K 196KB/s kselftest_armhf.tar 40%[=======> ] 530.93K 188KB/s kselftest_armhf.tar 45%[========> ] 599.29K 195KB/s eta 4s kselftest_armhf.tar 47%[========> ] 625.67K 187KB/s eta 4s kselftest_armhf.tar 51%[=========> ] 678.48K 187KB/s eta 4s kselftest_armhf.tar 54%[=========> ] 718.07K 185KB/s eta 4s kselftest_armhf.tar 57%[==========> ] 759.08K 183KB/s eta 3s kselftest_armhf.tar 60%[===========> ] 801.50K 181KB/s eta 3s kselftest_armhf.tar 64%[===========> ] 845.34K 180KB/s eta 3s kselftest_armhf.tar 67%[============> ] 892.00K 183KB/s eta 3s kselftest_armhf.tar 71%[=============> ] 936.77K 180KB/s eta 2s kselftest_armhf.tar 73%[=============> ] 972.60K 176KB/s eta 2s kselftest_armhf.tar 76%[==============> ] 1002K 172KB/s eta 2s kselftest_armhf.tar 78%[==============> ] 1.00M 165KB/s eta 2s kselftest_armhf.tar 80%[===============> ] 1.03M 160KB/s eta 2s kselftest_armhf.tar 81%[===============> ] 1.05M 152KB/s eta 1s kselftest_armhf.tar 83%[===============> ] 1.07M 150KB/s eta 1s kselftest_armhf.tar 85%[================> ] 1.10M 140KB/s eta 1s kselftest_armhf.tar 86%[================> ] 1.11M 142KB/s eta 1s kselftest_armhf.tar 88%[================> ] 1.13M 131KB/s eta 1s kselftest_armhf.tar 89%[================> ] 1.14M 131KB/s eta 1s kselftest_armhf.tar 91%[=================> ] 1.17M 125KB/s eta 1s kselftest_armhf.tar 92%[=================> ] 1.19M 122KB/s eta 1s kselftest_armhf.tar 94%[=================> ] 1.21M 117KB/s eta 1s kselftest_armhf.tar 95%[==================> ] 1.23M 114KB/s eta 1s kselftest_armhf.tar 97%[==================> ] 1.25M 111KB/s eta 0s kselftest_armhf.tar 99%[==================> ] 1.28M 108KB/s eta 0s kselftest_armhf.tar 100%[===================>] 1.28M 105KB/s in 9.0s 2024-05-30 08:06:55 (146 KB/s) - 'kselftest_armhf.tar.gz' saved [1345960/1345960] 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>[ 66.524197] 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>[ 67.555456] lkdtm: Performing direct entry BUG <4>[ 67.560576] ------------[ cut here ]------------ <2>[ 67.565468] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 67.570974] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 67.576398] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 67.609034] CPU: 0 PID: 743 Comm: cat Not tainted 5.10.216-cip47 #1 <4>[ 67.615588] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 67.622418] PC is at lkdtm_BUG+0x14/0x18 <4>[ 67.626635] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 67.631364] pc : [] lr : [] psr: a0080013 <4>[ 67.637914] sp : c4413e58 ip : c4413e68 fp : c4413e64 <4>[ 67.643421] r10: 00000004 r9 : c1ad6e7c r8 : c15ec020 <4>[ 67.648929] r7 : c4413f60 r6 : 00000004 r5 : c6a8d000 r4 : 00000001 <4>[ 67.655743] r3 : c0c59290 r2 : e9e7a841 r1 : ef7815e0 r0 : c15ec028 <4>[ 67.662558] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 67.669978] Control: 10c5387d Table: 1479804a DAC: 00000051 <0>[ 67.676012] Process cat (pid: 743, stack limit = 0x9da2d9ae) <0>[ 67.681956] Stack: (0xc4413e58 to 0xc4414000) <0>[ 67.686603] 3e40: c4413e74 c4413e68 <0>[ 67.695076] 3e60: c0c58d24 c0c5929c c4413e9c c4413e78 c0c59224 c0c58d04 c0c59104 c6a76780 <0>[ 67.703547] 3e80: b6dcd000 00000004 c5346300 c4413f60 c4413ec4 c4413ea0 c07e27bc c0c59110 <0>[ 67.712018] 3ea0: 00000000 c6a76780 b6dcd000 c290d000 c4413f60 c07e2758 c4413f5c c4413ec8 <0>[ 67.720492] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4412000 <0>[ 67.728961] 3ee0: b6dcd000 00020000 00000004 00000004 0001fffc c4413ee0 00000001 b6dcc000 <0>[ 67.737428] 3f00: c42472c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 67.745899] 3f20: 00000000 00000000 c13e2de0 e9e7a841 c206c220 c6a76780 c6a76780 c4412000 <0>[ 67.754367] 3f40: b6dcd000 00000000 00000000 00000004 c4413f94 c4413f60 c059c9b0 c059c304 <0>[ 67.762836] 3f60: 00000000 00000000 c4413fac e9e7a841 00000004 00000004 7ff00000 00000004 <0>[ 67.771305] 3f80: c03002e4 c4412000 c4413fa4 c4413f98 c059ca40 c059c948 00000000 c4413fa8 <0>[ 67.779775] 3fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6dcd000 00000004 00000001 <0>[ 67.788245] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dcd000 00020000 004afe38 <0>[ 67.796716] 3fe0: 00000004 bef8a7e8 b6e9333b b6e0c616 60080030 00000001 00000000 00000000 <0>[ 67.805172] Backtrace: <0>[ 67.807932] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.815801] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 67.824113] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 67.832326] r9:c4413f60 r8:c5346300 r7:00000004 r6:b6dcd000 r5:c6a76780 r4:c0c59104 <0>[ 67.840375] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 67.848500] r9:c07e2758 r8:c4413f60 r7:c290d000 r6:b6dcd000 r5:c6a76780 r4:00000000 <0>[ 67.856540] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 67.863972] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c4412000 r5:c6a76780 <0>[ 67.872083] r4:c6a76780 <0>[ 67.874913] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 67.882341] r9:c4412000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <0>[ 67.890383] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 67.898234] Exception stack(0xc4413fa8 to 0xc4413ff0) <0>[ 67.903576] 3fa0: 00000004 00000004 00000001 b6dcd000 00000004 00000001 <0>[ 67.912045] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dcd000 00020000 004afe38 <0>[ 67.920509] 3fe0: 00000004 bef8a7e8 b6e9333b b6e0c616 <0>[ 67.925854] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 67.932243] ---[ end trace 113533c15b10dcd0 ]--- <3>[ 67.937151] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 67.946309] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 743, name: cat <4>[ 67.954245] INFO: lockdep is turned off. <4>[ 67.958450] irq event stamp: 1730 <4>[ 67.962069] hardirqs last enabled at (1729): [] console_unlock+0x4b0/0x6c0 <4>[ 67.970192] hardirqs last disabled at (1730): [] __und_svc+0x60/0x6c <4>[ 67.977708] softirqs last enabled at (1726): [] __do_softirq+0x36c/0x5a0 <4>[ 67.985656] softirqs last disabled at (1717): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 67.993776] CPU: 0 PID: 743 Comm: cat Tainted: G D 5.10.216-cip47 #1 <4>[ 68.001715] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 68.008524] Backtrace: <4>[ 68.011284] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 68.019144] r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d0d8 <4>[ 68.025103] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 68.032721] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 68.040758] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d2f98 r4:c4412000 <4>[ 68.048798] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 68.056915] r6:00000000 r5:00000031 r4:c19d2f98 <4>[ 68.061843] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 68.069873] r6:00000001 r5:c4412000 r4:c4776c00 <4>[ 68.074801] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 68.082404] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c4776c00 <4>[ 68.089404] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 68.096995] r7:c1e1ca8c <4>[ 68.099827] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 68.107255] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 68.114598] r10:00000004 r9:c4412000 r8:c15ec020 r7:00000000 r6:c4413dc8 r5:c0c592a4 <4>[ 68.122710] r4:e7f001f2 <4>[ 68.125540] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 68.133741] Exception stack(0xc4413dc8 to 0xc4413e10) <4>[ 68.139085] 3dc0: c15ec028 ef7815e0 e9e7a841 c0c59290 00000001 c6a8d000 <4>[ 68.147557] 3de0: 00000004 c4413f60 c15ec020 c1ad6e7c 00000004 c4413e64 c4413e68 c4413e58 <4>[ 68.156022] 3e00: c0c58d24 c0c592a4 a0080013 ffffffff <4>[ 68.161362] r7:c4413dfc r6:ffffffff r5:a0080013 r4:c0c592a8 <4>[ 68.167319] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 68.175183] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 68.183487] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 68.191698] r9:c4413f60 r8:c5346300 r7:00000004 r6:b6dcd000 r5:c6a76780 r4:c0c59104 <4>[ 68.199742] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 68.207865] r9:c07e2758 r8:c4413f60 r7:c290d000 r6:b6dcd000 r5:c6a76780 r4:00000000 <4>[ 68.215903] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 68.223331] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c4412000 r5:c6a76780 <4>[ 68.231441] r4:c6a76780 <4>[ 68.234271] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 68.241699] r9:c4412000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <4>[ 68.249737] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 68.257588] Exception stack(0xc4413fa8 to 0xc4413ff0) <4>[ 68.262931] 3fa0: 00000004 00000004 00000001 b6dcd000 00000004 00000001 <4>[ 68.271400] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dcd000 00020000 004afe38 <4>[ 68.279864] 3fe0: 00000004 bef8a7e8 b6e9333b b6e0c616 # Segmentation fault # [ 67.555456] lkdtm: Performing direct entry BUG # [ 67.560576] ------------[ cut here ]------------ # [ 67.565468] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 67.570974] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 67.576398] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 67.609034] CPU: 0 PID: 743 Comm: cat Not tainted 5.10.216-cip47 #1 # [ 67.615588] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.622418] PC is at lkdtm_BUG+0x14/0x18 # [ 67.626635] LR is at lkdtm_do_action+0x2c/0x4c # [ 67.631364] pc : [] lr : [] psr: a0080013 # [ 67.637914] sp : c4413e58 ip : c4413e68 fp : c4413e64 # [ 67.643421] r10: 00000004 r9 : c1ad6e7c r8 : c15ec020 # [ 67.648929] r7 : c4413f60 r6 : 00000004 r5 : c6a8d000 r4 : 00000001 # [ 67.655743] r3 : c0c59290 r2 : e9e7a841 r1 : ef7815e0 r0 : c15ec028 # [ 67.662558] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 67.669978] Control: 10c5387d Table: 1479804a DAC: 00000051 # [ 67.676012] Process cat (pid: 743, stack limit = 0x9da2d9ae) # [ 67.681956] Stack: (0xc4413e58 to 0xc4414000) # [ 67.686603] 3e40: c4413e74 c4413e68 # [ 67.695076] 3e60: c0c58d24 c0c5929c c4413e9c c4413e78 c0c59224 c0c58d04 c0c59104 c6a76780 # [ 67.703547] 3e80: b6dcd000 00000004 c5346300 c4413f60 c4413ec4 c4413ea0 c07e27bc c0c59110 # [ 67.712018] 3ea0: 00000000 c6a76780 b6dcd000 c290d000 c4413f60 c07e2758 c4413f5c c4413ec8 # [ 67.720492] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4412000 # [ 67.728961] 3ee0: b6dcd000 00020000 00000004 00000004 0001fffc c4413ee0 00000001 b6dcc000 # [ 67.737428] 3f00: c42472c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.745899] 3f20: 00000000 00000000 c13e2de0 e9e7a841 c206c220 c6a76780 c6a76780 c4412000 # [ 67.754367] 3f40: b6dcd000 00000000 00000000 00000004 c4413f94 c4413f60 c059c9b0 c059c304 # [ 67.762836] 3f60: 00000000 00000000 c4413fac e9e7a841 00000004 00000004 7ff00000 00000004 # [ 67.771305] 3f80: c03002e4 c4412000 c4413fa4 c4413f98 c059ca40 c059c948 00000000 c4413fa8 # [ 67.779775] 3fa0: c03000c0 c059ca34 00000004 00000004 00000001 b6dcd000 00000004 00000001 # [ 67.788245] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dcd000 00020000 004afe38 # [ 67.796716] 3fe0: 00000004 bef8a7e8 b6e9333b b6e0c616 60080030 00000001 00000000 00000000 # [ 67.805172] Backtrace: # [ 67.807932] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.815801] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.824113] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.832326] r9:c4413f60 r8:c5346300 r7:00000004 r6:b6dcd000 r5:c6a76780 r4:c0c59104 # [ 67.840375] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.848500] r9:c07e2758 r8:c4413f60 r7:c290d000 r6:b6dcd000 r5:c6a76780 r4:00000000 # [ 67.856540] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.863972] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c4412000 r5:c6a76780 # [ 67.872083] r4:c6a76780 # [ 67.874913] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.882341] r9:c4412000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 67.890383] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.898234] Exception stack(0xc4413fa8 to 0xc4413ff0) # [ 67.903576] 3fa0: 00000004 00000004 00000001 b6dcd000 00000004 00000001 # [ 67.912045] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dcd000 00020000 004afe38 # [ 67.920509] 3fe0: 00000004 bef8a7e8 b6e9333b b6e0c616 # [ 67.925854] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 67.932243] ---[ end trace 113533c15b10dcd0 ]--- # [ 67.937151] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.946309] in_ato<6>[ 68.726141] lkdtm: Performing direct entry WARNING mic(): 0, irqs_disabled(): 128, n<4>[ 68.731645] ------------[ cut here ]------------ on_block: 0, pid: 743, name: cat <4>[ 68.739256] WARNING: CPU: 3 PID: 815 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 67.954245] INFO: lockdep i<4>[ 68.750839] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 s turned off. # [ 67.958450] i<4>[ 68.785834] CPU: 3 PID: 815 Comm: cat Tainted: G D W 5.10.216-cip47 #1 rq event stamp: 1730 # [ 67.96<4>[ 68.796557] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 2069] hardirqs last enabled at (<4>[ 68.806207] Backtrace: 1729): [] console_unloc<4>[ 68.811796] [] (dump_backtrace) from [] (show_stack+0x20/0x24) k+0x4b0/0x6c0 # [ 67.970192] h<4>[ 68.822480] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 ardirqs last disabled at (1730): <4>[ 68.831267] [] (show_stack) from [] (dump_stack+0xe0/0x100) [] __und_svc+0x60/0x6c <4>[ 68.841703] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 67.977708] softirqs last <4>[ 68.851781] r9:00000009 r8:c0c592f0 r7:00000053 r6:00000009 r5:c0c592f0 r4:c1ad7538 enabled at (1726): [] _<4>[ 68.862651] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) _do_softirq+0x36c/0x5a0 # [ 67<4>[ 68.873253] r7:00000053 r6:c1ad7538 r5:00000000 r4:c6c6c000 .985656] softirqs last disabled a<4>[ 68.882042] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) t (1717): [] __irq_exit<4>[ 68.893253] r9:c1ad6e80 r8:c15ec020 r7:c6c6df60 r6:00000008 r5:c6acb000 r4:00000002 _rcu+0x178/0x1d0 # [ 67.993776<4>[ 68.904121] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ] CPU: 0 PID: 743 Comm: cat Taint<4>[ 68.915163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ed: G D 5.10.216-c<4>[ 68.926294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ip47 #1 # [ 68.001715] Hardwar<4>[ 68.937329] r9:c6c6df60 r8:c5346300 r7:00000008 r6:b6e0d000 r5:c6957400 r4:c0c59104 e name: Freescale i.MX6 Quad/Dual<4>[ 68.948204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) Lite (Device Tree) # [ 68.0085<4>[ 68.959149] r9:c07e2758 r8:c6c6df60 r7:c290d000 r6:b6e0d000 r5:c6957400 r4:00000000 24] Backtrace: # [ 68.011284]<4>[ 68.970018] [] (vfs_write) from [] (ksys_write+0x74/0xec) [] (dump_backtrace) fr<4>[ 68.980275] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c6c6c000 r5:c6957400 om [] (show_stack+0x20/<4>[ 68.991224] r4:c6957400 0x24) # [ 68.019144] r7:fffff<4>[ 68.996890] [] (ksys_write) from [] (sys_write+0x18/0x1c) fff r6:60080093<4>[ 69.007149] r9:c6c6c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 <4>[ 69.016455] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 69.024293] Exception stack(0xc6c6dfa8 to 0xc6c6dff0) <4>[ 69.029617] dfa0: 00000008 00000008 00000001 b6e0d000 00000008 00000001 <4>[ 69.038068] dfc0: 00000008 00000008 7ff00000 00000004 00000001 b6e0d000 00020000 0047fe38 <4>[ 69.046514] dfe0: 00000004 beabb7e8 b6ed333b b6e4c616 <4>[ 69.051909] irq event stamp: 0 <4>[ 69.055249] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 69.061139] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 69.068941] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac r5:00000000 r4:c1f1d0d8<4>[ 69.076753] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 69.084566] ---[ end trace 113533c15b10dcd1 ]--- # [ 68.025103] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 68.032721] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 68.040758] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d2f98 r4:c4412000 # [ 68.048798] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 68.056915] r6:00000000 r5:00000031 r4:c19d2f98 # [ 68.061843] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 68.069873] r6:00000001 r5:c4412000 r4:c4776c00 # [ 68.074801] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 68.082404] r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c4776c00 # [ 68.089404] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 68.096995] r7:c1e1ca8c # [ 68.099827] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 68.107255] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 68.114598] r10:00000004 r9:c4412000 r8:c15ec020 r7:00000000 r6:c4413dc8 r5:c0c592a4 # [ 68.122710] r4:e7f001f2 # [ 68.125540] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 68.133741] Exception stack(0xc4413dc8 to 0xc4413e10) # [ 68.139085] 3dc0: c15ec028 ef7815e0 e9e7a841 c0c59290 00000001 c6a8d000 # [ 68.147557] 3de0: 00000004 c4413f60 c15ec020 c1ad6e7c 00000004 c4413e64 c4413e68 c4413e58 # [ 68.156022] 3e00: c0c58d24 c0c592a4 a0080013 ffffffff # [ 68.161362] r7:c4413dfc r6:ffffffff r5:a0080013 r4:c0c592a8 # [ 68.167319] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.175183] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.183487] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.191698] r9:c4413f60 r8:c5346300 r7:00000004 r6:b6dcd000 r5:c6a76780 r4:c0c59104 # [ 68.199742] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 68.207865] r9:c07e2758 r8:c4413f60 r7:c290d000 r6:b6dcd000 r5:c6a76780 r4:00000000 # [ 68.215903] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.223331] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c4412000 r5:c6a76780 # [ 68.231441] r4:c6a76780 # [ 68.234271] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 68.241699] r9:c4412000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 68.249737] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 68.257588] Exception stack(0xc4413fa8 to 0xc4413ff0) # [ 68.262931] 3fa0: 00000004 00000004 00000001 b6dcd000 00000004 00000001 # [ 68.271400] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dcd000 00020000 004afe38 # [ 68.279864] 3fe0: 00000004 bef8a7e8 b6e9333b b6e0c616 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 68.726141] lkdtm: Performing direct entry WARNING # [ 68.731645] ------------[ cut here ]------------ # [ 68.739256] WARNING: CPU: 3 PID: 815 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 68.750839] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 68.785834] CPU: 3 PID: 815 Comm: cat Tainted: G D W 5.10.21<6>[ 69.408531] lkdtm: Performing direct entry WARNING_MESSAGE 6-cip47 #1 # [ 68.796557] Hard<4>[ 69.415810] ------------[ cut here ]------------ ware name: Freescale i.MX6 Quad/D<4>[ 69.423750] WARNING: CPU: 3 PID: 851 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 ualLite (Device Tree) # [ 68.8<4>[ 69.435825] Warning message trigger count: 2 06207] Backtrace: # [ 68.8117<4>[ 69.443199] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 96] [] (dump_backtrace)<4>[ 69.478207] CPU: 3 PID: 851 Comm: cat Tainted: G D W 5.10.216-cip47 #1 from [] (show_stack+0x<4>[ 69.488945] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 20/0x24) # [ 68.822480] r7:ff<4>[ 69.498595] Backtrace: ffffff r6:60080013 r5:00000000 r4<4>[ 69.504179] [] (dump_backtrace) from [] (show_stack+0x20/0x24) :c1f1d0d8 # [ 68.831267] [[ 69.514864] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 bff04>] (show_stack) from [[ 69.523648] [] (show_stack) from [] (dump_stack+0xe0/0x100) 1c4>] (dump_stack+0xe0/0x100) # <4>[ 69.534085] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 68.841703] [] (dump<4>[ 69.544164] r9:00000009 r8:c0c59340 r7:00000058 r6:00000009 r5:c0c59340 r4:c1ad7538 _stack) from [] (__warn<4>[ 69.555033] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) +0x98/0x14c) # [ 68.851781] r<4>[ 69.565634] r7:00000058 r6:c1ad7538 r5:c1ad7554 r4:c6c62000 9:00000009 r8:c0c592f0 r7:0000005<4>[ 69.574422] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 3 r6:00000009 r5:c0c592f0 r4:c1ad<4>[ 69.586326] r9:c1ad6e88 r8:c15ec020 r7:c6c63f60 r6:00000010 r5:c6acb000 r4:00000003 7538 # [ 68.862651] [[ 69.597194] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) >] (__warn) from [] (wa<4>[ 69.602435] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 69.608926] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) rn_slowpath_fmt+0x8c/0xa8) # [ <4>[ 69.608946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 68.873253] r7:00000053 r6:c1ad7<4>[ 69.639006] r9:c6c63f60 r8:c5346300 r7:00000010 r6:b6e8e000 r5:c69563c0 r4:c0c59104 538 r5:00000000 r4:c6c6c000 # [ <4>[ 69.649884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 68.882042] [] (warn_s<4>[ 69.660852] r9:c07e2758 r8:c6c63f60 r7:c290d000 r6:b6e8e000 r5:c69563c0 r4:00000000 lowpath_fmt) from [] (l<4>[ 69.671727] [] (vfs_write) from [] (ksys_write+0x74/0xec) kdtm_WARNING+0x48/0x4c) # [ 68<4>[ 69.681970] r10:00000004 r9:00000000 r8:00000000 r7:b6e8e000 r6:c6c62000 r5:c69563c0 .893253] r9:c1ad6e80 r8:c15ec020<4>[ 69.692917] r4:c69563c0 r7:c6c6df60 r6:00000008 r5:c6acb<4>[ 69.698583] [] (ksys_write) from [] (sys_write+0x18/0x1c) 000 r4:00000002 # [ 68.904121]<4>[ 69.708839] r9:c6c62000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 [] (lkdtm_WARNING) fro<4>[ 69.719708] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) m [] (lkdtm_do_action+0<4>[ 69.730392] Exception stack(0xc6c63fa8 to 0xc6c63ff0) x2c/0x4c) # [ 68.915163] [[ 69.738573] 3fa0: 00000010 00000010 00000001 b6e8e000 00000010 00000001 58cf8>] (lkdtm_do_action) from [<<4>[ 69.749872] 3fc0: 00000010 00000010 7ff00000 00000004 00000001 b6e8e000 00020000 0048fe38 c0c59224>] (direct_entry+0x120/0x<4>[ 69.761168] 3fe0: 00000004 bee107e8 b6f5433b b6ecd616 18c) # [ 68.926294] [[ 69.769479] irq event stamp: 0 >] (direct_entry) from [[ 69.771148] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) >] (full_proxy_write+0x64/0x94) <4>[ 69.775556] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 68.937329] r9:c6c6df60 r8:<6>[ 69.787091] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) c5346300 r7:00000008 r6:b6e0d000 <4>[ 69.795569] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac r5:c6957400 r4:c0c59104 # [ 68<4>[ 69.795587] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac .948204] [] (full_proxy<6>[ 69.806999] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) _write) from [] (vfs_wr<4>[ 69.817470] softirqs last disabled at (0): [<00000000>] 0x0 ite+0x10c/0x53c) # [ 68.959149<4>[ 69.817482] ---[ end trace 113533c15b10dcd2 ]--- ] r9:c07e2758 r8:c6c6df60 r7:c29<6>[ 69.828176] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) 0d000 r6:b6e0d000 r5:c6957400 r4:00000000 # [ 68.970018] [[ 69.870628] panel-simple panel-lcd: supply power not found, using dummy regulator 59c2f8>] (vfs_write) from [[ 69.880786] panel-simple panel-lcd: Specify missing connector_type 9b0>] (ksys_write+0x74/0xec) # [<6>[ 69.891464] platform panel-lvds0: deferred probe pending 68.980275] r10:00000004 r9:00<6>[ 69.898141] platform backlight-lcd: deferred probe pending 000000 r8:00000000 r7:b6e0d000 r6<6>[ 69.906851] platform backlight-lvds: deferred probe pending :c6c6c000 r5:c6957400 # [ 68.9<6>[ 69.915558] platform ldb: deferred probe pending 91224] r4:c6957400 # [ 68.996<6>[ 69.923256] platform panel-lcd: deferred probe pending 890] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.007149] r9:c6c6c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 # [ 69.016455] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.024293] Exception stack(0xc6c6dfa8 to 0xc6c6dff0) # [ 69.029617] dfa0: 00000008 00000008 00000001 b6e0d000 00000008 00000001 # [ 69.038068] dfc0: 00000008 00000008 7ff00000 00000004 00000001 b6e0d000 00020000 0047fe38 # [ 69.046514] dfe0: 00000004 beabb7e8 b6ed333b b6e4c616 # [ 69.051909] irq event stamp: 0 # [ 69.055249] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 69.061139] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 69.068941] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 69.076753] softirqs last disabled at (0): [<00000000>] 0x0 # [ 69.084566] ---[ end trace 113533c15b10dcd1 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 69.408531] lkdtm: Performing direct entry WARNING_MESSAGE # [ 69.415810] ------------[ cut here ]------------ # [ 69.423750] WARNING: CPU: 3 PID: 851 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 69.435825] Warning message trigger count: 2 # [ 69.443199] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 69.478207] CPU: 3 PID: 851 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 69.488945] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.498595] Backtrace: # [ 69.504179] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 69.514864] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 69.523648] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 69.534085] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 69.544164] r9:00000009 r8:c0c59340 r7:00000058 r6:00000009 r5:c0c59340 r4:c1ad7538 # [ 69.555033] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 69.565634] r7:00000058 r6:c1ad7538 r5:c1ad7554 r4:c6c62000 # [ 69.574422] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 69.586326] r9:c1ad6e88 r8:c15ec020 r7:c6c63f60 r6:00000010 r5:c6acb000 r4:00000003 # [ 69.597194] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.602435] panel-simple panel-lvds0: supply power not found, using dummy regulator # [ 69.608926] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.608946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.639006<6>[ 70.197405] lkdtm: Performing direct entry EXCEPTION ] r9:c6c63f60 r8:c5346300 r7:000<1>[ 70.203463] 8<--- cut here --- 00010 r6:b6e8e000 r5:c69563c0 r4:<1>[ 70.209475] Unable to handle kernel NULL pointer dereference at virtual address 00000000 c0c59104 # [ 69.649884] [[ 70.220746] pgd = 7610122d 2758>] (full_proxy_write) from [<<1>[ 70.226525] [00000000] *pgd=00000000 c059c404>] (vfs_write+0x10c/0x53c<0>[ 70.233265] Internal error: Oops: 805 [#2] SMP ARM ) # [ 69.660852] r9:c07e2758 <4>[ 70.241127] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 r8:c6c63f60 r7:c290d<040>0[ r 6 70.276134] CPU: 1 PID: 891 Comm: cat Tainted: G D W 5.10.216-cip47 #1 b6e8e000 r5:c69<546>3[c 0 r740:286303] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000000 # [ 69.671727] [<] (vfs_write<)4 >f[r o m 0.302401] LR is at lkdtm_do_action+0x2c/0x4c [] (y[s _ w7r0i.t09271] pc : [] lr : [] psr: a0080013 e+0x74/0xec)< 4 >#[ [ 7 06.9317707] sp : c5f13e58 ip : c5f13e68 fp : c5f13e64 681970] r1<04:>0[0 0 0 07000.43 5102] r10: 0000000a r9 : c1ad6e98 r8 : c15ec020 r9:0000000<04 >r[8 : 07000.03030409] r7 : c5f13f60 r6 : 0000000a r5 : c6954000 r4 : 00000004 00 r7:b6e8e<040>0[ r 6 :7c06.c360933] r3 : 00000000 r2 : 7d328fd5 r1 : ef7965e0 r0 : c15ec040 2000 r5:c69563c0 <#4 >[[ 670.349547] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .692917] r4<:4c>6[9 5 6 37c00. 359108] Control: 10c5387d Table: 16db004a DAC: 00000051 # [ 69.698583]< 0[><[ c 0 5790c367026] Process cat (pid: 891, stack limit = 0xda57c607) 93c>] (ksys_i[t e ) 7f0r.o374939] Stack: (0xc5f13e58 to 0xc5f14000) [] (s[_ w r i7t0e381471] 3e40: c5f13e74 c5f13e68 +0x18/0x1c) # [ < 06>9[. 7 0 870.391907] 3e60: c0c58d24 c0c59354 c5f13e9c c5f13e78 c0c59224 c0c58d04 c0c59104 c47e52c0 39] r9:c6c62000 r8<:0c>0[3 0 0 20.402516] 3e80: b6deb000 0000000a c5346300 c5f13f60 c5f13ec4 c5f13ea0 c07e27bc c0c59110 e4 r7:00000004 r6:<70f>f[0 0 0 70.413121] 3ea0: 00000000 c47e52c0 b6deb000 c290d000 c5f13f60 c07e2758 c5f13f5c c5f13ec8 0 r5:00000010 r4:000000<100> [ # 70.423644] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c4110324 c059c9b0 c5f12000 [ 69.719708] [<5[9 c a 270.434423] 3ee0: b6deb000 00020000 00000004 0000000a 0001fff6 c5f13ee0 00000001 00000805 >] (sys_write) from< 0[><[c 0 3 00.445029] 3f00: c4109680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00c0>] (ret_fast_sya[l l + 00.455636] 3f20: 00000000 00000000 c5f12000 7d328fd5 b6dea000 c47e52c0 c47e52c0 c5f12000 x0/0x28) # [ 69.<703>0[3 9 2 ]0.466243] 3f40: b6deb000 00000000 00000000 00000004 c5f13f94 c5f13f60 c059c9b0 c059c304 Exception stack(0xc[6 3 f a0.476849] 3f60: 00000000 00000000 c5f13fac 7d328fd5 0000000a 0000000a 7ff00000 00000004 8 to 0xc6c63ff0) # <[0 > [ 6 9 70.487457] 3f80: c03002e4 c5f12000 c5f13fa4 c5f13f98 c059ca40 c059c948 00000000 c5f13fa8 738573] 3fa0: < 0 > [ 0.498151] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6deb000 0000000a 00000001 00000010 000000<100> [0 0 070.508757] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6deb000 00020000 0043fe38 00001 b6e8e000 00000<001>0[ 0 0 70.519450] 3fe0: 00000004 beeb17e8 b6eb133b b6e2a616 60080030 00000001 00000000 00000000 00001 # [ 69.749<807>2[] 3 f0.530135] Backtrace: c0: 00000010 00000010 7ff00<000>0 70.535023] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) 00000004 00000001 b6e8e<000>0[ 70.545889] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0020000 0048fe38 # [ 69.761<10>[ 70.556589] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 8] 3fe0: 00000004 bee1<007>e[8 70.567449] r9:c5f13f60 r8:c5346300 r7:0000000a r6:b6deb000 r5:c47e52c0 r4:c0c59104 6f5433b b6ecd616 # [ 69.76947<0>[ 70.577802] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ] irq event stamp: 0 < 0#> [[ 70.588662] r9:c07e2758 r8:c5f13f60 r7:c290d000 r6:b6deb000 r5:c47e52c0 r4:00000000 69.771148] imx-drm dil[a y 70.598922] [] (vfs_write) from [] (ksys_write+0x74/0xec) subsystem: bouni[m x - i7p0u608659] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5f12000 r5:c47e52c0 v3-crtc.2 (o [i p u _7c0r.t618741] r4:c47e52c0 _ops [imxdrm]) # [ 69.<707>5[5 70.623454] [] (ksys_write) from [] (sys_write+0x18/0x1c) 56] hardirqs last eb[l e d 70.633278] r9:c5f12000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a at (0): [<00000000>] 0x0 # <[0 >[ 70.643542] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 69.787091]< 0i>m[x - d r7m0 .d6i3965] Exception stack(0xc5f13fa8 to 0xc5f13ff0) splay-subsystem: u[n d i7m.661103] 3fa0: 0000000a 0000000a 00000001 b6deb000 0000000a 00000001 x-ipuv3-crtc.3 (opi[p u _ 7c.671623] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6deb000 00020000 0043fe38 rtc_ops [imxdrm]) # [ 69.795569] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 69.795587] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 69.806999] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) # [ 69.817470] softirqs last disabled at (0): [<00000000>] 0x0 # [ 69.817482] ---[ end trace 113533c15b10dcd2 ]--- # [ 69.828176] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) # [ 69.870628] panel-simple panel-lcd: supply power not found, using dummy regulator # [ 69.880786] panel-simple panel-lcd: Specify missing connector_type # [ 69.891464] platform panel-lvds0: deferred probe pending # [ 69.898141] platform backlight-lcd: deferred probe pending # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <0>[ 70.762002] 3fe0: 00000004 beeb17e8 b6eb133b b6e2a616 <0>[ 70.767329] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 70.773776] ---[ end trace 113533c15b10dcd3 ]--- # Segmentation fault # [ 70.197405] lkdtm: Performing direct entry EXCEPTION # [ 70.203463] 8<--- cut here --- # [ 70.209475] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 70.220746] pgd = 7610122d # [ 70.226525] [00000000] *pgd=00000000 # [ 70.233265] Internal error: Oops: 805 [#2] SMP ARM # [ 70.241127] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 70.276134] CPU: 1 PID: 891 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 70.286303] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.295099] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 70.302401] LR is at lkdtm_do_action+0x2c/0x4c # [ 70.309271] pc : [] lr : [] psr: a0080013 # [ 70.317707] sp : c5f13e58 ip : c5f13e68 fp : c5f13e64 # [ 70.325102] r10: 0000000a r9 : c1ad6e98 r8 : c15ec020 # [ 70.332409] r7 : c5f13f60 r6 : 0000000a r5 : c6954000 r4 : 00000004 # [ 70.340933] r3 : 00000000 r2 : 7d328fd5 r1 : ef7965e0 r0 : c15ec040 # [ 70.349547] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.359108] Control: 10c5387d Table: 16db004a DAC: 00000051 # [ 70.367026] Process cat (pid: 891, stack limit = 0xda57c607) # [ 70.374939] Stack: (0xc5f13e58 to 0xc5f14000) # [ 70.381471] 3e40: c5f13e74 c5f13e68 # [ 70.391907] 3e60: c0c58d24 c0c59354 c5f13e9c c5f13e78 c0c59224 c0c58d04 c0c59104 c47e52c0 # [ 70.402516] 3e80: b6deb000 0000000a c5346300 c5f13f60 c5f13ec4 c5f13ea0 c07e27bc c0c59110 # [ 70.413121] 3ea0: 00000000 c47e52c0 b6deb000 c290d000 c5f13f60 c07e2758 c5f13f5c c5f13ec8 # [ 70.423644] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c4110324 c059c9b0 c5f12000 # [ 70.434423] 3ee0: b6deb000 00020000 00000004 0000000a 0001fff6 c5f13ee0 00000001 00000805 # [ 70.445029] 3f00: c4109680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.455636] 3f20: 00000000 00000000 c5f12000 7d328fd5 b6dea000 c47e52c0 c47e52c0 c5f12000 # [ 70.466243] 3f40: b6deb000 00000000 00000000 00000004 c5f13f94 c5f13f60 c059c9b0 c059c304 # [ 70.476849] 3f60: 00000000 00000000 c5f13fac 7d328fd5 0000000a 0000000a 7ff00000 00000004 # [ 70.487457] 3f80: c03002e4 c5f12000 c5f13fa4 c5f13f98 c059ca40 c059c948 00000000 c5f13fa8 # [ 70.498151] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6deb000 0000000a 00000001 # [ 70.508757] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6deb000 00020000 0043fe38 # [ 70.519450] 3fe0: 00000004 beeb17e8 b6eb133b b6e2a616 60080030 00000001 00000000 00000000 # [ 70.530135] Backtrace: # [ 70.535023] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.545889] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.556589] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.567449] r9:c5f13f60 r8:c5346300 r7:0000000a r6:b6deb000 r5:c47e52c0 r4:c0c59104 # [ 70.577802] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 70.588662] r9:c07e2758 r8:c5f13f60 r7:c290d000 r6:b6deb000 r5:c47e52c0 r4:00000000 # [ 70.598922] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 70.608659] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5f12000 r5:c47e52c0 # [ 70.618741] r4:c47e52c0 # [ 70.623454] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 70.633278] r9:c5f12000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 70.643542] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 70.653965] Exception stack(0xc5f13fa8 to 0xc5f13ff0) # [ 70.661103] 3fa0: 0000000a 0000000a 00000001 b6deb000 0000000a 00000001 # [ 70.671623] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6deb000 00020000 0043fe38 # [ 70.762002] 3fe0: 00000004 beeb17e8 b6eb133b b6e2a616 # [ 70.767329] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 70.773776] ---[ end trace 113533c15b10dcd3 ]--- # 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>[ 71.935961] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 71.941885] lkdtm: attempting good list addition <6>[ 71.946779] lkdtm: attempting corrupted list addition <3>[ 71.952184] lkdtm: list_add() corruption not detected! # [ 71.935961] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 71.941885] lkdtm: attempting good list addition # [ 71.946779] lkdtm: attempting corrupted list addition # [ 71.952184] 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>[ 72.279506] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 72.285616] lkdtm: attempting good list removal <6>[ 72.290510] lkdtm: attempting corrupted list removal <3>[ 72.295778] lkdtm: list_del() corruption not detected! # [ 72.279506] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 72.285616] lkdtm: attempting good list removal # [ 72.290510] lkdtm: attempting corrupted list removal # [ 72.295778] 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>[ 72.614657] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 72.621421] lkdtm: attempting bad read from page below current stack <3>[ 72.628082] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 72.614657] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 72.621421] lkdtm: attempting bad read from page below current stack # [ 72.628082] 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>[ 72.939032] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 72.945730] lkdtm: attempting bad read from page above current stack <3>[ 72.952407] lkdtm: FAIL: accessed page after stack! (byte: 6c) # [ 72.939032] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 72.945730] lkdtm: attempting bad read from page above current stack # [ 72.952407] lkdtm: FAIL: accessed page after stack! (byte: 6c) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 73.289150] lkdtm: Performing direct entry UNSET_SMEP <3>[ 73.294609] lkdtm: XFAIL: this test is x86_64-only # [ 73.289150] lkdtm: Performing direct entry UNSET_SMEP # [ 73.294609] 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>[ 73.619017] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 73.624673] lkdtm: XFAIL: this test is ia32-only # [ 73.619017] lkdtm: Performing direct entry DOUBLE_FAULT # [ 73.624673] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh <6>[ 73.929738] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 73.935250] lkdtm: XFAIL: this test is arm64-only # [ 73.929738] lkdtm: Performing direct entry CORRUPT_PAC # [ 73.935250] 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>[ 74.259044] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 74.265817] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 74.259044] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 74.265817] 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>[ 74.951386] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 74.957157] lkdtm: Value in memory before free: 12345678 <6>[ 74.962814] lkdtm: Attempting bad read from freed memory <6>[ 74.968400] lkdtm: Memory was not poisoned # [ 74.951386] lkdtm: Performing direct entry READ_AFTER_FREE # [ 74.957157] lkdtm: Value in memory before free: 12345678 # [ 74.962814] lkdtm: Attempting bad read from freed memory # [ 74.968400] 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>[ 75.490684] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 75.496977] lkdtm: Value in memory before free: 12345678 <6>[ 75.502638] lkdtm: Attempting to read from freed memory <6>[ 75.508137] lkdtm: Buddy page was not poisoned # [ 75.490684] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 75.496977] lkdtm: Value in memory before free: 12345678 # [ 75.502638] lkdtm: Attempting to read from freed memory # [ 75.508137] 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>[ 75.819058] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 75.825015] lkdtm: Attempting double slab free ... # [ 75.819058] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 75.825015] 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>[ 76.134865] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 76.140805] lkdtm: Attempting cross-cache slab free ... # [ 76.134865] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 76.140805] 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>[ 76.458261] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 76.464050] lkdtm: Attempting non-Slab slab free ... # [ 76.458261] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 76.464050] 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>[ 77.520032] lkdtm: Performing direct entry EXEC_DATA <6>[ 77.525341] lkdtm: attempting ok execution at c0c59a94 <6>[ 77.530865] lkdtm: attempting bad execution at c2706a28 <1>[ 77.536405] 8<--- cut here --- <1>[ 77.539732] Unable to handle kernel paging request at virtual address c2706a28 <1>[ 77.547226] pgd = 4d0ae8e6 <1>[ 77.550203] [c2706a28] *pgd=1261141e(bad) <0>[ 77.554511] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 77.560020] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 77.592645] CPU: 3 PID: 1759 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 77.600675] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.607503] PC is at data_area+0x0/0x40 <4>[ 77.611641] LR is at execute_location+0xa4/0xb4 <4>[ 77.616457] pc : [] lr : [] psr: 60080013 <4>[ 77.623008] sp : c68a3e38 ip : 00000027 fp : c68a3e54 <4>[ 77.628516] r10: 0000000a r9 : c1ad707c r8 : c15ec020 <4>[ 77.634024] r7 : c68a3f60 r6 : 00000001 r5 : c2706a28 r4 : c0c59a94 <4>[ 77.640834] r3 : c2a66267 r2 : c2a66267 r1 : ef7c05e4 r0 : 0000002b <4>[ 77.647648] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.655069] Control: 10c5387d Table: 16e4c04a DAC: 00000051 <0>[ 77.661100] Process cat (pid: 1759, stack limit = 0x70b784a2) <0>[ 77.667131] Stack: (0xc68a3e38 to 0xc68a4000) <0>[ 77.671778] 3e20: 0000001f c6ace000 <0>[ 77.680251] 3e40: 0000000a c68a3f60 c68a3e64 c68a3e58 c13cd9e8 c13cd7e4 c68a3e74 c68a3e68 <0>[ 77.688722] 3e60: c0c58d24 c13cd9d0 c68a3e9c c68a3e78 c0c59224 c0c58d04 c0c59104 c433ef00 <0>[ 77.697195] 3e80: b6dd3000 0000000a c5346300 c68a3f60 c68a3ec4 c68a3ea0 c07e27bc c0c59110 <0>[ 77.705666] 3ea0: 00000000 c433ef00 b6dd3000 c290d000 c68a3f60 c07e2758 c68a3f5c c68a3ec8 <0>[ 77.714136] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c68a2000 <0>[ 77.722607] 3ee0: b6dd3000 00020000 00000004 0000000a 0001fff6 c68a3ee0 00000001 b6dd2000 <0>[ 77.731076] 3f00: c6a76500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.739546] 3f20: 00000000 00000000 c13e2de0 c2a66267 c206c220 c433ef00 c433ef00 c68a2000 <0>[ 77.748017] 3f40: b6dd3000 00000000 00000000 00000004 c68a3f94 c68a3f60 c059c9b0 c059c304 <0>[ 77.756487] 3f60: 00000000 00000000 c68a3fac c2a66267 0000000a 0000000a 7ff00000 00000004 <0>[ 77.764957] 3f80: c03002e4 c68a2000 c68a3fa4 c68a3f98 c059ca40 c059c948 00000000 c68a3fa8 <0>[ 77.773426] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6dd3000 0000000a 00000001 <0>[ 77.781896] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd3000 00020000 004efe38 <0>[ 77.790365] 3fe0: 00000004 bef967e8 b6e9933b b6e12616 60080030 00000001 00000000 00000000 <0>[ 77.798820] Backtrace: <0>[ 77.801586] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 77.810058] r7:c68a3f60 r6:0000000a r5:c6ace000 r4:0000001f <0>[ 77.816020] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.824405] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.832715] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.840928] r9:c68a3f60 r8:c5346300 r7:0000000a r6:b6dd3000 r5:c433ef00 r4:c0c59104 <0>[ 77.848978] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.857103] r9:c07e2758 r8:c68a3f60 r7:c290d000 r6:b6dd3000 r5:c433ef00 r4:00000000 <0>[ 77.865146] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.872581] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c68a2000 r5:c433ef00 <0>[ 77.880694] r4:c433ef00 <0>[ 77.883530] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.890962] r9:c68a2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 77.899002] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.906856] Exception stack(0xc68a3fa8 to 0xc68a3ff0) <0>[ 77.912201] 3fa0: 0000000a 0000000a 00000001 b6dd3000 0000000a 00000001 <0>[ 77.920671] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd3000 00020000 004efe38 <0>[ 77.929136] 3fe0: 00000004 bef967e8 b6e9933b b6e12616 <0>[ 77.934486] Code: 00000000 c5be60c0 c5be6180 c5be6240 (e1a0c00d) <4>[ 77.940874] ---[ end trace 113533c15b10dcd4 ]--- # Segmentation fault # [ 77.520032] lkdtm: Performing direct entry EXEC_DATA # [ 77.525341] lkdtm: attempting ok execution at c0c59a94 # [ 77.530865] lkdtm: attempting bad execution at c2706a28 # [ 77.536405] 8<--- cut here --- # [ 77.539732] Unable to handle kernel paging request at virtual address c2706a28 # [ 77.547226] pgd = 4d0ae8e6 # [ 77.550203] [c2706a28] *pgd=1261141e(bad) # [ 77.554511] Internal error: Oops: 8000000d [#3] SMP ARM # [ 77.560020] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 77.592645] CPU: 3 PID: 1759 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 77.600675] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.607503] PC is at data_area+0x0/0x40 # [ 77.611641] LR is at execute_location+0xa4/0xb4 # [ 77.616457] pc : [] lr : [] psr: 60080013 # [ 77.623008] sp : c68a3e38 ip : 00000027 fp : c68a3e54 # [ 77.628516] r10: 0000000a r9 : c1ad707c r8 : c15ec020 # [ 77.634024] r7 : c68a3f60 r6 : 00000001 r5 : c2706a28 r4 : c0c59a94 # [ 77.640834] r3 : c2a66267 r2 : c2a66267 r1 : ef7c05e4 r0 : 0000002b # [ 77.647648] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.655069] Control: 10c5387d Table: 16e4c04a DAC: 00000051 # [ 77.661100] Process cat (pid: 1759, stack limit = 0x70b784a2) # [ 77.667131] Stack: (0xc68a3e38 to 0xc68a4000) # [ 77.671778] 3e20: 0000001f c6ace000 # [ 77.680251] 3e40: 0000000a c68a3f60 c68a3e64 c68a3e58 c13cd9e8 c13cd7e4 c68a3e74 c68a3e68 # [ 77.688722] 3e60: c0c58d24 c13cd9d0 c68a3e9c c68a3e78 c0c59224 c0c58d04 c0c59104 c433ef00 # [ 77.697195] 3e80: b6dd3000 0000000a c5346300 c68a3f60 c68a3ec4 c68a3ea0 c07e27bc c0c59110 # [ 77.705666] 3ea0: 00000000 c433ef00 b6dd3000 c290d000 c68a3f60 c07e2758 c68a3f5c c68a3ec8 # [ 77.714136] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c68a2000 # [ 77.722607] 3ee0: b6dd3000 00020000 00000004 0000000a 0001fff6 c68a3ee0 00000001 b6dd2000 # [ 77.731076] 3f00: c6a76500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.739546] 3f20: 00000000 00000000 c13e2de0 c2a66267 c206c220 c433ef00 c433ef00 c68a2000 # [ 77.748017] 3f40: b6dd3000 00000000 00000000 00000004 c68a3f94 c68a3f60 c059c9b0 c059c304 # [ 77.756487] 3f60: 00000000 00000000 c68a3fac c2a66267 0000000a 0000000a 7ff00000 00000004 # [ 77.764957] 3f80: c03002e4 c68a2000 c68a3fa4 c68a3f98 c059ca40 c059c948 00000000 c68a3fa8 # [ 77.773426] 3fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6dd3000 0000000a 00000001 # [ 77.781896] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd3000 00020000 004efe38 # [ 77.790365] 3fe0: 00000004 bef967e8 b6e9933b b6e12616 60080030 00000001 00000000 00000000 # [ 77.798820] Backtrace: # [ 77.801586] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 77.810058] r7:c68a3f60 r6:0000000a r5:c6ace000 r4:0000001f # [ 77.816020] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.824405] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.832715] [] (direct_entry) from [] (ful<6>[ 78.324045] lkdtm: Performing direct entry EXEC_STACK l_proxy_write+0x64/0x94) # [ 7<6>[ 78.331026] lkdtm: attempting ok execution at c0c59a94 7.840928] r9:c68a3f60 r8:c534630<6>[ 78.339219] lkdtm: attempting bad execution at c4305e0c 0 r7:0000000a r6:b6dd3000 r5:c433<1>[ 78.347693] 8<--- cut here --- <1>[ 78.353814] Unable to handle kernel paging request at virtual address c4305e0c <1>[ 78.361317] pgd = 2f002ada <1>[ 78.364292] [c4305e0c] *pgd=1421141e(bad) <0>[ 78.368586] Internal error: Oops: 8000000d [#4] SMP ARM <4>[ 78.374078] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 78.406431] CPU: 0 PID: 1836 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 78.414439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.421237] PC is at 0xc4305e0c <4>[ 78.424656] LR is at execute_location+0xa4/0xb4 <4>[ 78.429455] pc : [] lr : [] psr: 60080013 <4>[ 78.435989] sp : c4305de8 ip : c4305cf0 fp : c4305e04 <4>[ 78.441479] r10: 0000000b r9 : c1ad7088 r8 : c15ec020 <4>[ 78.446969] r7 : c4305f60 r6 : 00000001 r5 : c4305e0c r4 : c0c59a94 <4>[ 78.453762] r3 : cf3cb23a r2 : cf3cb23a r1 : ef7815e0 r0 : 0000002b <4>[ 78.460557] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.467958] Control: 10c5387d Table: 15fac04a DAC: 00000051 <0>[ 78.473970] Process cat (pid: 1836, stack limit = 0x6e577138) <0>[ 78.479984] Stack: (0xc4305de8 to 0xc4306000) <0>[ 78.484611] 5de0: c4304000 c43a9000 0000000b c4305f60 c4305e64 c4305e08 <0>[ 78.493060] 5e00: c13cda24 c13cd7e4 c4305e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 78.501508] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 <0>[ 78.509955] 5e40: e3a02040 e3a01d33 e5930018 cf3cb23a 0000000b 00000020 c4305e74 c4305e68 <0>[ 78.518402] 5e60: c0c58d24 c13cd9f8 c4305e9c c4305e78 c0c59224 c0c58d04 c0c59104 c47e4b40 <0>[ 78.526849] 5e80: b6e60000 0000000b c5346300 c4305f60 c4305ec4 c4305ea0 c07e27bc c0c59110 <0>[ 78.535296] 5ea0: 00000000 c47e4b40 b6e60000 c290d000 c4305f60 c07e2758 c4305f5c c4305ec8 <0>[ 78.543744] 5ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4304000 <0>[ 78.552189] 5ee0: b6e60000 00020000 00000004 0000000b 0001fff5 c4305ee0 00000001 b6e5f000 <0>[ 78.560635] 5f00: c40c37c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.569081] 5f20: 00000000 00000000 c13e2de0 cf3cb23a c206c220 c47e4b40 c47e4b40 c4304000 <0>[ 78.577526] 5f40: b6e60000 00000000 00000000 00000004 c4305f94 c4305f60 c059c9b0 c059c304 <0>[ 78.585972] 5f60: 00000000 00000000 c4305fac cf3cb23a 0000000b 0000000b 7ff00000 00000004 <0>[ 78.594418] 5f80: c03002e4 c4304000 c4305fa4 c4305f98 c059ca40 c059c948 00000000 c4305fa8 <0>[ 78.602865] 5fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e60000 0000000b 00000001 <0>[ 78.611311] 5fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e60000 00020000 0042fe38 <0>[ 78.619757] 5fe0: 00000004 bec897e8 b6f2633b b6e9f616 60080030 00000001 00000000 00000000 <0>[ 78.628196] Backtrace: <0>[ 78.630923] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 78.639459] r7:c4305f60 r6:0000000b r5:c43a9000 r4:c4304000 <0>[ 78.645395] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.653838] r4:00000020 <0>[ 78.656643] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.664925] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.673112] r9:c4305f60 r8:c5346300 r7:0000000b r6:b6e60000 r5:c47e4b40 r4:c0c59104 <0>[ 78.681132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.689231] r9:c07e2758 r8:c4305f60 r7:c290d000 r6:b6e60000 r5:c47e4b40 r4:00000000 <0>[ 78.697248] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.704652] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c4304000 r5:c47e4b40 <0>[ 78.712745] r4:c47e4b40 <0>[ 78.715549] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.722953] r9:c4304000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 78.730969] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.738804] Exception stack(0xc4305fa8 to 0xc4305ff0) <0>[ 78.744123] 5fa0: 0000000b 0000000b 00000001 b6e60000 0000000b 00000001 <0>[ 78.752569] 5fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e60000 00020000 0042fe38 <0>[ 78.761014] 5fe0: 00000004 bec897e8 b6f2633b b6e9f616 <0>[ 78.766335] Code: c4305e08 c13cda24 c13cd7e4 c4305e6c (e1a0c00d) <4>[ 78.772700] ---[ end trace 113533c15b10dcd5 ]--- ef00 r4:c0c59104 # [ 77.848978] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.857103] r9:c07e2758 r8:c68a3f60 r7:c290d000 r6:b6dd3000 r5:c433ef00 r4:00000000 # [ 77.865146] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.872581] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c68a2000 r5:c433ef00 # [ 77.880694] r4:c433ef00 # [ 77.883530] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.890962] r9:c68a2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 77.899002] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.906856] Exception stack(0xc68a3fa8 to 0xc68a3ff0) # [ 77.912201] 3fa0: 0000000a 0000000a 00000001 b6dd3000 0000000a 00000001 # [ 77.920671] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd3000 00020000 004efe38 # [ 77.929136] 3fe0: 00000004 bef967e8 b6e9933b b6e12616 # [ 77.934486] Code: 00000000 c5be60c0 c5be6180 c5be6240 (e1a0c00d) # [ 77.940874] ---[ end trace 113533c15b10dcd4 ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 78.324045] lkdtm: Performing direct entry EXEC_STACK # [ 78.331026] lkdtm: attempting ok execution at c0c59a94 # [ 78.339219] lkdtm: attempting bad execution at c4305e0c # [ 78.347693] 8<--- cut here --- # [ 78.353814] Unable to handle kernel paging request at virtual address c4305e0c # [ 78.361317] pgd = 2f002ada # [ 78.364292] [c4305e0c] *pgd=1421141e(bad) # [ 78.368586] Internal error: Oops: 8000000d [#4] SMP ARM # [ 78.374078] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 78.406431] CPU: 0 PID: 1836 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 78.414439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.421237] PC is at 0xc4305e0c # [ 78.424656] LR is at execute_location+0xa4/0xb4 # [ 78.429455] pc : [] lr : [] psr: 60080013 # [ 78.435989] sp : c4305de8 ip : c4305cf0 fp : c4305e04 # [ 78.441479] r10: 0000000b r9 : c1ad7088 r8 : c15ec020 # [ 78.446969] r7 : c4305f60 r6 : 00000001 r5 : c4305e0c r4 : c0c59a94 # [ 78.453762] r3 : cf3cb23a r2 : cf3cb23a r1 : ef7815e0 r0 : 0000002b # [ 78.460557] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.467958] Control: 10c5387d Table: 15fac04a DAC: 00000051 # [ 78.473970] Process cat (pid: 1836, stack limit = 0x6e577138) # [ 78.479984] Stack: (0xc4305de8 to 0xc4306000) # [ 78.484611] 5de0: c4304000 c43a9000 0000000b c4305f60 c4305e64 c4305e08 # [ 78.493060] 5e00: c13cda24 c13cd7e4 c4305e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 78.501508] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 # [ 78.509955] 5e40: e3a02040 e3a01d33 e5930018 cf3cb23a 0000000b 00000020 c4305e74 c4305e68 # [ 78.518402] 5e60: c0c58d24 c13cd9f8 c4305e9c c4305e78 c0c59224 c0c58d04 c0c59104 c47e4b40 # [ 78.526849] 5e80: b6e60000 0000000b c5346300 c4305f60 c4305ec4 c4305ea0 c07e27bc c0c59110 # [ 78.535296] 5ea0: 00000000 c47e4b40 b6e60000 c290d000 c4305f60 c07e2758 c4305f5c c4305ec8 # [ 78.543744] 5ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4304000 # [ 78.552189] 5ee0: b6e60000 00020000 00000004 0000000b 0001fff5 c4305ee0 00000001 b6e5f000 # [ 78.560635] 5f00: c40c37c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.569081] 5f20: 00000000 00000000 c13e2de0 cf3cb23a c206c220 c47e4b40 c47e4b40 c4304000 # [ 78.577526] 5f40: b6e60000 00000000 00000000 00000004 c4305f94 c4305f60 c059c9b0 c059c304 # [ 78.585972] 5f60: 00000000 00000000 c4305fac cf3cb23a 0000000b 0000000b 7ff00000 00000004 # [ 78.594418] 5f80: c03002e4 c4304000 c4305fa4 c4305f98 c059ca40 c059c948 00000000 c4305fa8 # [ 78.602865] 5fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e60000 0000000b 00000001 # [ 78.611311] 5fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e60000 00020000 0042fe38 # [ 78.619757] 5fe0: 00000004 bec897e8 b6f2633b b6e9f616 60080030 00000001 00000000 00000000 # [ 78.628196] Backtrace: # [ 78.630923] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 78.639459] r7:c4305f60 r6:0000000b r5:c43a9000 r4:c4304000 # [ 78.645395] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.653838] r4:00000020 # [ 78.656643] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.664925] [] (direct_entry)<6>[ 79.215345] lkdtm: Performing direct entry EXEC_KMALLOC from [] (full_proxy_wr<6>[ 79.221997] lkdtm: attempting ok execution at c0c59a94 ite+0x64/0x94) # [ 78.673112] <6>[ 79.230313] lkdtm: attempting bad execution at c6c28040 r9:c4305f60 r8:c5346300 r7:00000<1>[ 79.238590] 8<--- cut here --- 00b r6:b60[0 0 0 7r95.:2c44735] Unable to handle kernel paging request at virtual address c6c28040 7e4b40 r4:c09[1 0 47 9 .#2 3956] pgd = 4327a1d1 [ 78.681132] [<]1> [( 79.258744] [c6c28040] *pgd=16c1141e(bad) full_proxy_write<)0 >f[r o m 7[9.265447] Internal error: Oops: 8000000d [#5] SMP ARM c059c404>] (vfs_write+0x10c/0x53c<4>[ 79.273014] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 ) # [ 78.689231] < 4r>9[: c 0 79.308015] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.216-cip47 #1 e2758 r8:c<443>0[5 f 6 07 9r.73:18268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 290d000 r6:b6e60<040>0[ r 57:9c326881] PC is at 0xc6c28040 47e4b40 r4:00000000 # [ < 4 >[7 79.332284] LR is at execute_location+0xa4/0xb4 .697248] [<5[9 c 2 f789>.]3 9494] pc : [] lr : [] psr: 60080013 (vfs_wri<4t>e[) f r7o9m. 3[4<7c42] sp : c5e93e30 ip : 00000027 fp : c5e93e4c 059c9b0>]< 4(>k[s y s _7w9r.i3t54975] r10: 0000000d r9 : c1ad7094 r8 : c15ec020 +0x74/0x)[ # 7[9 . 3 672195] r7 : c5e93f60 r6 : 00000001 r5 : c6c28040 r4 : c0c59a94 .704652] < 4>r[1 0 : 07090.030700717] r3 : 4f22c333 r2 : 4f22c333 r1 : ef7965e4 r0 : 0000002b 4 r9:00000000 r8<:40>0[0 0 07090379242] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0 r7:b6e600<040> [r 6 : c7493.0348630] Control: 10c5387d Table: 16bd804a DAC: 00000051 000 r5:c47b[4 0 7#9 .[3 96458] Process cat (pid: 1916, stack limit = 0xc9fa951d) 78.712745<]0 > [r 4 : c794.74e04286] Stack: (0xc5e93e30 to 0xc5e94000) b40 # [ 78.715<504>9[] [ <7c.410641] 3e20: c6c28040 c6c2f000 0000000d c5e93f60 059c93c>] (ks_[w r i t7e9). 21160] 3e40: c5e93e64 c5e93e50 c0c59ae4 c13cd7e4 00000021 c6c2f000 c5e93e74 c5e93e68 from [<]0 >([s y s _7w9.431508] 3e60: c0c58d24 c0c59ab8 c5e93e9c c5e93e78 c0c59224 c0c58d04 c0c59104 c40c3e00 ite+0x18/0x1c) <#0 >[[ 7798442026] 3e80: b6e7d000 0000000d c5346300 c5e93f60 c5e93ec4 c5e93ea0 c07e27bc c0c59110 .722953] r9:c43<004>0[0 0 r789.452458] 3ea0: 00000000 c40c3e00 b6e7d000 c290d000 c5e93f60 c07e2758 c5e93f5c c5e93ec8 c03002e4 r7:00000<000>4[ r 6 :77.462977] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c5e92000 ff00000 r5:00000<000>b[ r 4 :709.473495] 3ee0: b6e7d000 00020000 00000004 0000000d 0001fff3 c5e93ee0 00000001 b6e7c000 00000b # [ < 07>8[ . 7 37099.6484011] 3f00: c414f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ] [] (syw[r i t e79.494359] 3f20: 00000000 00000000 c13e2de0 4f22c333 c206c220 c40c3e00 c40c3e00 c5e92000 from [<]0 >([r e t _7f.504964] 3f40: b6e7d000 00000000 00000000 00000004 c5e93f94 c5e93f60 c059c9b0 c059c304 ast_syscall+0x0/<00x>2[8 ) 7#9.515483] 3f60: 00000000 00000000 c5e93fac 4f22c333 0000000d 0000000d 7ff00000 00000004 [ 78.738804] c[e p t i7o9n526000] 3f80: c03002e4 c5e92000 c5e93fa4 c5e93f98 c059ca40 c059c948 00000000 c5e93fa8 stack(0xc4305fa<80 >t[o 0 x7c9.536433] 3fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e7d000 0000000d 00000001 305ff0) # [ < 07>8[. 7 4 47192.546950] 3fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e7d000 00020000 0049fe38 ] 5fa0: < 0 > [ 7 9.557382] 3fe0: 00000004 bee767e8 b6f4333b b6ebc616 60080030 00000001 00000000 00000000 0000000b 0000<000>0[b 0 07090.567894] Backtrace: 001 b6e60000 0000000b 00000001< 0>[ 79.572612] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 78.752569]< 05>f[c 0 : 709.583991] r7:c5e93f60 r6:0000000d r5:c6c2f000 r4:c6c28040 00000b 0000000b 7f0[0 0 0 79.591994] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 0000004 0<000>0[0 0 0 17 9b.66e06766] r5:c6c2f000 r4:00000021 0000 00020000 00423[8 #79.608342] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 78.761014] 5fe0: 0000<000>0[4 79.618779] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) bec897e8 b6f2633b[6 e 9 f76.629382] r9:c5e93f60 r8:c5346300 r7:0000000d r6:b6e7d000 r5:c40c3e00 r4:c0c59104 16 # [ 78.766335] Code<:0 >c[4 79.639472] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 305e08 c13cda24 c<103>c[d 7 e 47 .649985] r9:c07e2758 r8:c5e93f60 r7:c290d000 r6:b6e7d000 r5:c40c3e00 r4:00000000 c4305e6c (e1a0c00d) < 0 >#[ [ 79.660071] [] (vfs_write) from [] (ksys_write+0x74/0xec) 78.772700] <-0->-[[ e n7d9 .t669717] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c5e92000 r5:c40c3e00 ace 1135<303>c[1 5 b 1709d.c6d759712] r4:c40c3e00 ]--- # EXEC_STACK<:0 >m[i s s i79.684249] [] (ksys_write) from [] (sys_write+0x18/0x1c) g 'call trace:'<:0 >[[F A I L7]9 693810] r9:c5e92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d not ok 31 selftests<:0 >l[k d t 79.703811] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) : EXEC_STA.[s h #7 9e.x7i13888] Exception stack(0xc5e93fa8 to 0xc5e93ff0) =1 # selftests:< 0l>k[d t m :7 9.721026] 3fa0: 0000000d 0000000d 00000001 b6e7d000 0000000d 00000001 XEC_KMALLOC.sh < 0>[ 79.731545] 3fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e7d000 00020000 0049fe38 <0>[ 79.741367] 3fe0: 00000004 bee767e8 b6f4333b b6ebc616 <0>[ 79.746689] Code: efea8da0 efea7f80 efea1800 efe99280 (e1a0c00d) <4>[ 79.753054] ---[ end trace 113533c15b10dcd6 ]--- <3>[ 105.770149] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 105.776046] rcu: 0-....: (1 GPs behind) idle=cf6/1/0x40000004 softirq=7131/7132 fqs=1137 <4>[ 105.784600] (t=2602 jiffies g=6565 q=23) <4>[ 105.788896] NMI backtrace for cpu 0 <4>[ 105.792679] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.216-cip47 #1 <4>[ 105.800969] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.807778] Backtrace: <4>[ 105.810551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.818417] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 105.824377] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.831988] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 105.840110] r9:c19df018 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 105.848149] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 105.858076] r5:c1e16800 r4:c03115d8 <4>[ 105.861929] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 105.872807] r9:c19df018 r8:c206a859 r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 105.880821] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 105.891009] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 105.900325] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 105.908420] r4:c1ea9500 <4>[ 105.911229] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 105.920371] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:9fc9b304 r6:c1e01d28 r5:c1e00000 <4>[ 105.928465] r4:00000000 <4>[ 105.931272] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 105.940236] r5:00000018 r4:ef786f68 <4>[ 105.944080] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 105.952702] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 105.961756] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 105.969770] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 105.978912] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:9fc9a899 r6:00000018 r5:60070193 <4>[ 105.987005] r4:ef7869c0 <4>[ 105.989812] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 105.997998] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 106.006091] r4:00000001 <4>[ 106.008901] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 106.017692] r5:c2973700 r4:c295b400 <4>[ 106.021538] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 106.030941] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 106.038956] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 106.047577] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 106.055593] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 106.063341] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 106.068665] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 106.077113] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 106.085556] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 106.090877] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 106.098892] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 106.107078] r10:00000012 r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 106.115172] r4:ffffe000 <4>[ 106.117976] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 106.125637] r5:00000000 r4:c1dad49c <4>[ 106.129481] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 106.137580] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 106.146200] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 106.154211] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 106.161958] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 106.167280] 1e60: c100267c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 106.175726] 1e80: c1e15d98 c206c280 00000012 c1e01eec c1e01e88 c1e01eb0 c0478294 c1002680 <4>[ 106.184167] 1ea0: 60070013 ffffffff <4>[ 106.187925] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002680 <4>[ 106.195943] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 106.204476] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 106.212569] r4:ef78cb78 <4>[ 106.215378] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 106.223041] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 106.228969] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 106.236807] r10:c4f5b502 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 106.244900] r4:000000dc <4>[ 106.247709] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 106.255904] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 106.264088] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 106.268978] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 106.277601] [] (start_kernel) from [<00000000>] (0x0) # Segmentation fault # not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # TIMEOUT 45 seconds # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 124.415461] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 124.421149] lkdtm: attempting ok execution at c0c59a94 <6>[ 124.426594] lkdtm: attempting bad execution at f0c25000 <1>[ 124.432187] 8<--- cut here --- <1>[ 124.435539] Unable to handle kernel paging request at virtual address f0c25000 <1>[ 124.443224] pgd = f001a353 <1>[ 124.446227] [f0c25000] *pgd=15d0a811, *pte=4b82565f, *ppte=4b82545f <0>[ 124.452835] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 124.458334] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 124.490670] CPU: 2 PID: 1990 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 124.498680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 124.505480] PC is at 0xf0c25000 <4>[ 124.508899] LR is at execute_location+0xa4/0xb4 <4>[ 124.513696] pc : [] lr : [] psr: 60080013 <4>[ 124.520229] sp : c4213e30 ip : c4213d38 fp : c4213e4c <4>[ 124.525719] r10: 0000000d r9 : c1ad70a4 r8 : c15ec020 <4>[ 124.531210] r7 : c4213f60 r6 : 00000001 r5 : f0c25000 r4 : c0c59a94 <4>[ 124.538003] r3 : 75c26ba5 r2 : 75c26ba5 r1 : ef7ab5e0 r0 : 0000002b <4>[ 124.544798] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 124.552200] Control: 10c5387d Table: 168d804a DAC: 00000051 <0>[ 124.558215] Process cat (pid: 1990, stack limit = 0xd7c4fe1a) <0>[ 124.564226] Stack: (0xc4213e30 to 0xc4214000) <0>[ 124.568856] 3e20: f0c25000 c43ac000 0000000d c4213f60 <0>[ 124.577303] 3e40: c4213e64 c4213e50 c0c59b18 c13cd7e4 00000022 c43ac000 c4213e74 c4213e68 <0>[ 124.585750] 3e60: c0c58d24 c0c59afc c4213e9c c4213e78 c0c59224 c0c58d04 c0c59104 c42d6f00 <0>[ 124.594196] 3e80: b6dd8000 0000000d c5346300 c4213f60 c4213ec4 c4213ea0 c07e27bc c0c59110 <0>[ 124.602642] 3ea0: 00000000 c42d6f00 b6dd8000 c290d000 c4213f60 c07e2758 c4213f5c c4213ec8 <0>[ 124.611089] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4212000 <0>[ 124.619536] 3ee0: b6dd8000 00020000 00000004 0000000d 0001fff3 c4213ee0 00000001 b6dd7000 <0>[ 124.627981] 3f00: c40c2000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 124.636428] 3f20: 00000000 00000000 c13e2de0 75c26ba5 c206c220 c42d6f00 c42d6f00 c4212000 <0>[ 124.644873] 3f40: b6dd8000 00000000 00000000 00000004 c4213f94 c4213f60 c059c9b0 c059c304 <0>[ 124.653320] 3f60: 00000000 00000000 c4213fac 75c26ba5 0000000d 0000000d 7ff00000 00000004 <0>[ 124.661766] 3f80: c03002e4 c4212000 c4213fa4 c4213f98 c059ca40 c059c948 00000000 c4213fa8 <0>[ 124.670212] 3fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dd8000 0000000d 00000001 <0>[ 124.678658] 3fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dd8000 00020000 0048fe38 <0>[ 124.687104] 3fe0: 00000004 be9297e8 b6e9e33b b6e17616 60080030 00000001 00000000 00000000 <0>[ 124.695545] Backtrace: <0>[ 124.698278] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 124.706986] r7:c4213f60 r6:0000000d r5:c43ac000 r4:f0c25000 <0>[ 124.712916] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 124.721532] r5:c43ac000 r4:00000022 <0>[ 124.725380] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 124.733659] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 124.741848] r9:c4213f60 r8:c5346300 r7:0000000d r6:b6dd8000 r5:c42d6f00 r4:c0c59104 <0>[ 124.749868] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 124.757967] r9:c07e2758 r8:c4213f60 r7:c290d000 r6:b6dd8000 r5:c42d6f00 r4:00000000 <0>[ 124.765982] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 124.773386] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c4212000 r5:c42d6f00 <0>[ 124.781480] r4:c42d6f00 <0>[ 124.784286] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 124.791691] r9:c4212000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 124.799706] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 124.807540] Exception stack(0xc4213fa8 to 0xc4213ff0) <0>[ 124.812861] 3fa0: 0000000d 0000000d 00000001 b6dd8000 0000000d 00000001 <0>[ 124.821307] 3fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dd8000 00020000 0048fe38 <0>[ 124.829750] 3fe0: 00000004 be9297e8 b6e9e33b b6e17616 <0>[ 124.835073] Code: bad PC value <4>[ 124.838476] ---[ end trace 113533c15b10dcd7 ]--- # Segmentation fault # [ 124.415461] lkdtm: Performing direct entry EXEC_VMALLOC # [ 124.421149] lkdtm: attempting ok execution at c0c59a94 # [ 124.426594] lkdtm: attempting bad execution at f0c25000 # [ 124.432187] 8<--- cut here --- # [ 124.435539] Unable to handle kernel paging request at virtual address f0c25000 # [ 124.443224] pgd = f001a353 # [ 124.446227] [f0c25000] *pgd=15d0a811, *pte=4b82565f, *ppte=4b82545f # [ 124.452835] Internal error: Oops: 8000000f [#6] SMP ARM # [ 124.458334] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 124.490670] CPU: 2 PID: 1990 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 124.498680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.505480] PC is at 0xf0c25000 # [ 124.508899] LR is at execute_location+0xa4/0xb4 # [ 124.513696] pc : [] lr : [] psr: 60080013 # [ 124.520229] sp : c4213e30 ip : c4213d38 fp : c4213e4c # [ 124.525719] r10: 0000000d r9 : c1ad70a4 r8 : c15ec020 # [ 124.531210] r7 : c4213f60 r6 : 00000001 r5 : f0c25000 r4 : c0c59a94 # [ 124.538003] r3 : 75c26ba5 r2 : 75c26ba5 r1 : ef7ab5e0 r0 : 0000002b # [ 124.544798] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 124.552200] Control: 10c5387d Table: 168d804a DAC: 00000051 # [ 124.558215] Process cat (pid: 1990, stack limit = 0xd7c4fe1a) # [ 124.564226] Stack: (0xc4213e30 to 0xc4214000) # [ 124.568856] 3e20: f0c25000 c43ac000 0000000d c4213f60 # [ 124.577303] 3e40: c4213e64 c4213e50 c0c59b18 c13cd7e4 00000022 c43ac000 c4213e74 c4213e68 # [ 124.585750] 3e60: c0c58d24 c0c59afc c4213e9c c4213e78 c0c59224 c0c58d04 c0c59104 c42d6f00 # [ 124.594196] 3e80: b6dd8000 0000000d c5346300 c4213f60 c4213ec4 c4213ea0 c07e27bc c0c59110 # [ 124.602642] 3ea0: 00000000 c42d6f00 b6dd8000 c290d000 c4213f60 c07e2758 c4213f5c c4213ec8 # [ 124.611089] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4212000 # [ 124.619536] 3ee0: b6dd8000 00020000 00000004 0000000d 0001fff3 c4213ee0 00000001 b6dd7000 # [ 124.627981] 3f00: c40c2000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 124.636428] 3f20: 00000000 00000000 c13e2de0 75c26ba5 c206c220 c42d6f00 c42d6f00 c4212000 # [ 124.644873] 3f40: b6dd8000 00000000 00000000 00000004 c4213f94 c4213f60 c059c9b0 c059c304 # [ 124.653320] 3f60: 00000000 00000000 c4213fac 75c26ba5 0000000d 0000000d 7ff00000 00000004 # [ 124.661766] 3f80: c03002e4 c4212000 c4213fa4 c4213f98 c059ca40 c059c948 00000000 c4213fa8 # [ 124.670212] 3fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6dd8000 0000000d 00000001 # [ 124.678658] 3fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dd8000 00020000 0048fe38 # [ 124.687104] 3fe0: 00000004 be9297e8 b6e9e33b b6e17616 60080030 00000001 00000000 00000000 # [ 124.695545] Backtrace: # [ 124.698278] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 124.706986] r7:c4213f60 r6:0000000d r5:c43ac000 r4:f0c25000 # [ 124.712916] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.721532] r5:c43ac000 r4:00000022 # [ 124.725380] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.733659] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.741848] r9:c4213f60 r8:c5346300 r7:0000000d r6:b6dd8000 r5:c42d6f00 r4:c0c59104 # [ 124.749868] [] (full_proxy_write) from [] (vfs_write+0<6>[ 125.263353] lkdtm: Performing direct entry EXEC_RODATA x10c/0x53c) # [ 124.7<567>9[6 7125.269380] lkdtm: attempting ok execution at c0c59a94 ] r9:c07e2758 r8:c4213f60 r7:c29<6>[ 125.277187] lkdtm: attempting bad execution at c15ec2bc 0d000 r6:b6dd8000 r5:c42d6f00 r4:<1>[ 125.285575] 8<--- cut here --- 00000000 # [ 12<41.>7[6 5 91822.291657] Unable to handle kernel paging request at virtual address c15ec2bc ] [] (vfs<_1w>r[i t e1)5.301221] pgd = 4d0ae8e6 from [] (ksys_write+0<1>[ 125.306352] [c15ec2bc] *pgd=1141941e(bad) 74/0xec) # [ 124.773<308>6[] 125.313399] Internal error: Oops: 8000000d [#7] SMP ARM r10:00000004 r9:00000000 r8:00000<4>[ 125.321222] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 000 r7:b6dd8000 r6:c4212000< 4r>5 125.356220] CPU: 3 PID: 2068 Comm: cat Tainted: G D W 5.10.216-cip47 #1 :c42d6f00 # [ 12<44.>7[8 1 4128.366729] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0] r4:c42d6f00 # [ 124.784286<4>[ 125.375605] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [] (ksys_write)< 4f>r[ 125.383687] LR is at execute_location+0xa4/0xb4 m [] <(4s>y[s _ w1r2i5t390983] pc : [] lr : [] psr: 60080013 e+0x18/0x1c) #< 4[> [ 1 2142.57399502] sp : c6b3de38 ip : c6b3dd40 fp : c6b3de54 91691] r9:c421<24>0[0 0 1r285:.406980] r10: 0000000c r9 : c1ad70b4 r8 : c15ec020 03002e4 r7:00<040>0[0 0 41 2r56.:14455] r7 : c6b3df60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59a94 7ff00000 r5:000<040>0[0 d 1r245:423149] r3 : 4dbfac8a r2 : 4dbfac8a r1 : ef7c05e0 r0 : 0000002b 0000000d # [ 124<.47>9[9 7 01625.431930] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [] (s_[w r i1t2e5.441489] Control: 10c5387d Table: 16e4c04a DAC: 00000051 from [<]0 >([r e t1_2f.449574] Process cat (pid: 2068, stack limit = 0xb676e681) ast_syscall+0x0/<00x>2[8 ) 1 2#5.457656] Stack: (0xc6b3de38 to 0xc6b3e000) [ 124.807540] Excepo[n s125.464356] de20: 00000023 c5f33000 ack(0xc4213fa8 to 0xc<402>1[3 f f25.475047] de40: 0000000c c6b3df60 c6b3de64 c6b3de58 c13cda64 c13cd7e4 c6b3de74 c6b3de68 0) # [ 124.812861] 3f:[ 125.485735] de60: c0c58d24 c13cda4c c6b3de9c c6b3de78 c0c59224 c0c58d04 c0c59104 c433edc0 00000<000>d[ 0 125.496511] de80: b6e61000 0000000c c5346300 c6b3df60 c6b3dec4 c6b3dea0 c07e27bc c0c59110 00000d 00000001 b6dd80<000> [0 0 125.507286] dea0: 00000000 c433edc0 b6e61000 c290d000 c6b3df60 c07e2758 c6b3df5c c6b3dec8 0000d 00000001 # [ <102>4[. 8 225.518063] dec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c6b3c000 1307] 3fc0: 0000000d 0<000>0[0 0 125.528751] dee0: b6e61000 00020000 00000004 0000000c 0001fff4 c6b3dee0 00000001 b6e60000 d 7ff00000 00000004< 00>0[0 0 0105.539524] df00: c47e5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01 b6dd8000< 00>0[0 2 0102050. 500128] df20: 00000000 00000000 c13e2de0 4dbfac8a c206c220 c433edc0 c433edc0 c6b3c000 048fe38 # [ 124.82<907>5[0 ] 125.560387] df40: b6e61000 00000000 00000000 00000004 c6b3df94 c6b3df60 c059c9b0 c059c304 fe0: 00000004 be9297e8< 0b>6[e 9 125.571078] df60: 00000000 00000000 c6b3dfac 4dbfac8a 0000000c 0000000c 7ff00000 00000004 33b b6e17616 # [ 124<.08>3[5 0 125.581853] df80: c03002e4 c6b3c000 c6b3dfa4 c6b3df98 c059ca40 c059c948 00000000 c6b3dfa8 3] Code: bad PC vu[e 1#2 .592627] dfa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e61000 0000000c 00000001 [ 124.838476] ---[< 0e>n[d t1r5.603143] dfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e61000 00020000 004ffe38 ace 113533c15b10d7[ ] -1-2-.613746] dfe0: 00000004 beb2c7e8 b6f2733b b6ea0616 60080030 00000001 00000000 00000000 # EXEC_VMALLOC: ms[i n g1 5.624256] Backtrace: 'call trace:': [FAIL] not o[ 125.629139] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 3 selftests: lkdtm: EXEC<_0V>M[A 125.640346] r7:c6b3df60 r6:0000000c r5:c5f33000 r4:00000023 LOC.sh # exit=1 # selftests<:0 >[ 125.648695] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) kdtm: EXEC_RODATA.sh <0>[ 125.659813] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 125.669986] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 125.678171] r9:c6b3df60 r8:c5346300 r7:0000000c r6:b6e61000 r5:c433edc0 r4:c0c59104 <0>[ 125.686191] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 125.694292] r9:c07e2758 r8:c6b3df60 r7:c290d000 r6:b6e61000 r5:c433edc0 r4:00000000 <0>[ 125.702307] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 125.709712] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c6b3c000 r5:c433edc0 <0>[ 125.717807] r4:c433edc0 <0>[ 125.720614] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 125.728020] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 125.736035] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 125.743871] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) <0>[ 125.749192] dfa0: 0000000c 0000000c 00000001 b6e61000 0000000c 00000001 <0>[ 125.757639] dfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e61000 00020000 004ffe38 <0>[ 125.766083] dfe0: 00000004 beb2c7e8 b6f2733b b6ea0616 <0>[ 125.771404] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 125.777767] ---[ end trace 113533c15b10dcd8 ]--- # Segmentation fault # [ 125.263353] lkdtm: Performing direct entry EXEC_RODATA # [ 125.269380] lkdtm: attempting ok execution at c0c59a94 # [ 125.277187] lkdtm: attempting bad execution at c15ec2bc # [ 125.285575] 8<--- cut here --- # [ 125.291657] Unable to handle kernel paging request at virtual address c15ec2bc # [ 125.301221] pgd = 4d0ae8e6 # [ 125.306352] [c15ec2bc] *pgd=1141941e(bad) # [ 125.313399] Internal error: Oops: 8000000d [#7] SMP ARM # [ 125.321222] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 125.356220] CPU: 3 PID: 2068 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 125.366729] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.375605] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 125.383687] LR is at execute_location+0xa4/0xb4 # [ 125.390983] pc : [] lr : [] psr: 60080013 # [ 125.399502] sp : c6b3de38 ip : c6b3dd40 fp : c6b3de54 # [ 125.406980] r10: 0000000c r9 : c1ad70b4 r8 : c15ec020 # [ 125.414455] r7 : c6b3df60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59a94 # [ 125.423149] r3 : 4dbfac8a r2 : 4dbfac8a r1 : ef7c05e0 r0 : 0000002b # [ 125.431930] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 125.441489] Control: 10c5387d Table: 16e4c04a DAC: 00000051 # [ 125.449574] Process cat (pid: 2068, stack limit = 0xb676e681) # [ 125.457656] Stack: (0xc6b3de38 to 0xc6b3e000) # [ 125.464356] de20: 00000023 c5f33000 # [ 125.475047] de40: 0000000c c6b3df60 c6b3de64 c6b3de58 c13cda64 c13cd7e4 c6b3de74 c6b3de68 # [ 125.485735] de60: c0c58d24 c13cda4c c6b3de9c c6b3de78 c0c59224 c0c58d04 c0c59104 c433edc0 # [ 125.496511] de80: b6e61000 0000000c c5346300 c6b3df60 c6b3dec4 c6b3dea0 c07e27bc c0c59110 # [ 125.507286] dea0: 00000000 c433edc0 b6e61000 c290d000 c6b3df60 c07e2758 c6b3df5c c6b3dec8 # [ 125.518063] dec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c6b3c000 # [ 125.528751] dee0: b6e61000 00020000 00000004 0000000c 0001fff4 c6b3dee0 00000001 b6e60000 # [ 125.539524] df00: c47e5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 125.550128] df20: 00000000 00000000 c13e2de0 4dbfac8a c206c220 c433edc0 c433edc0 c6b3c000 # [ 125.560387] df40: b6e61000 00000000 00000000 00000004 c6b3df94 c6b3df60 c059c9b0 c059c304 # [ 125.571078] df60: 00000000 00000000 c6b3dfac 4dbfac8a 0000000c 0000000c 7ff00000 00000004 # [ 125.581853] df80: c03002e4 c6b3c000 c6b3dfa4 c6b3df98 c059ca40 c059c948 00000000 c6b3dfa8 # [ 125.592627] dfa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e61000 0000000c 00000001 # [ 125.603143] dfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e61000 00020000 004ffe38 # [ 125.613746] dfe0: 00000004 beb2c7e8 b6f2733b b6ea0616 60080030 00000001 00000000 00000000 # [ 125.624256] Backtrace: # [ 125.629139] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 125.640346] r7:c6b3df60 r6:0000000c r5:c5f33000 r4:00000023 # [ 125.648695] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.659813] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.669986] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.678171] r9:c6b3df60 r8:c5346300 r7:0000000c r6:b6e61000 r5:c433edc0 r4:c0c59104 # [ 125.686191] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 125.694292] r9:c07e27<6>[ 126.234680] lkdtm: Performing direct entry EXEC_USERSPACE 58 r8:c6b3df60 r7:c290d000 r6:b6e<6>[ 126.241328] lkdtm: attempting ok execution at c0c59a94 61000 r5:c433edc0 r4:00000000 # <6>[ 126.249578] lkdtm: attempting bad execution at b6f39000 [ 125.702307] [] (vfs_<1>[ 126.257986] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f39000 write) from [>[] (126.268142] Internal error: : b [#8] SMP ARM sys_write+0x74/0xec) # [ 125.70<4>[ 126.274926] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 9712] r10:00000004 r9<:40>0[0 0 126.309929] CPU: 3 PID: 2145 Comm: cat Tainted: G D W 5.10.216-cip47 #1 000 r8:0000<040>0[0 r172:6b.63e0268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 61000 r6:c6b3c000 r<54:>[c 4 31326.328881] PC is at 0xb6f39000 dc0 # [ 125.717807] r4<:4c>[4 126.334455] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 3edc0 # [< 4 >1[2 5 .172260.63142012] pc : [] lr : [] psr: 60080013 ] [>][ ( k1s2y6s._3w0362] sp : c5f79e48 ip : c5f79d50 fp : c5f79e64 rite) from <[4<>c[0 5 91c26a.43057667] r10: 0000000f r9 : c1ad70c0 r8 : c15ec020 ] (sys_writ0[x 1 81/206x.13c4973] r7 : c5f79f60 r6 : 0000000f r5 : c43dd000 r4 : b6f39000 ) # [ <142>5[. 7 2182062.03]7 3582] r3 : 21254a19 r2 : 21254a19 r1 : ef7c05e0 r0 : 0000002b r9:c6b3c000 r8<:4c>0[ 3 010226e.482106] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r7:000000<044> [r 6 :172f6f.03091407] Control: 10c5387d Table: 147f004a DAC: 00000051 00 r5:0000000c< 0r>4[: 0 0102060.399236] Process cat (pid: 2145, stack limit = 0xe6ca7050) 0c # [ 12<50>.[7 3 6102365.]4 07234] Stack: (0xc5f79e48 to 0xc5f7a000) ] (sys_i[t e 1)2 6.413679] 9e40: 00000001 00000000 0000000f 00000024 c5f79e74 c5f79e68 rom [] <(0r>e[t _ f1a2s.424196] 9e60: c0c58d24 c0c59b30 c5f79e9c c5f79e78 c0c59224 c0c58d04 c0c59104 c414ef00 t_syscall+0x0/0x<208>)[ #1 2[6.434714] 9e80: b6dfe000 0000000f c5346300 c5f79f60 c5f79ec4 c5f79ea0 c07e27bc c0c59110 125.743871] Exct[i o n1 2s6.445232] 9ea0: 00000000 c414ef00 b6dfe000 c290d000 c5f79f60 c07e2758 c5f79f5c c5f79ec8 ack(0xc6b3dfa8 to <00x>c[6 b 31d26.455752] 9ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c40db4a4 c059c9b0 c5f78000 f0) # [ 125.<704>9[1 9 21]2 6d.466355] 9ee0: b6dfe000 00020000 00000004 0000000f 0001fff1 c5f79ee0 00000001 00000805 a0: < 0 > [ 1 2 60.476787] 9f00: c422dcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000c 0000000c <000>0[0 0 010216.487221] 9f20: 00000000 00000000 c5f78000 21254a19 b6dfd000 c414ef00 c414ef00 c5f78000 b6e61000 000000<00c> [0 0 0102060497738] 9f40: b6dfe000 00000000 00000000 00000004 c5f79f94 c5f79f60 c059c9b0 c059c304 01 # [ 125.75<706>3[9 ] 1d2f6c508171] 9f60: 00000000 00000000 c5f79fac 21254a19 0000000f 0000000f 7ff00000 00000004 0: 0000000c 0000<000>0[c 71f2f6.518601] 9f80: c03002e4 c5f78000 c5f79fa4 c5f79f98 c059ca40 c059c948 00000000 c5f79fa8 0000 00000004 00<000>0[0 0 11 2b6.529121] 9fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6dfe000 0000000f 00000001 e61000 00020000< 00>0[4 f f1e2368539639] 9fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6dfe000 00020000 004efe38 # [ 125.76608<30]> [d f e102:6.550069] 9fe0: 00000004 bef6b7e8 b6ec433b b6e3d616 60080030 00000001 00000000 00000000 00000004 beb2c7 [b 6 f122763560581] Backtrace: 3b b6ea0616 # [ 125.771404<]0 >[ 126.565295] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) ode: 5f72756<30 >6[e 7 5162f66.3576674] r4:00000024 00000074 aa55aa55 (e<10a>0[c 0 0126.581383] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ) # [ 125.777767] ---[ en[ 126.591906] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) race 113533c15b1<00d>c[d 8 1]2-6.602680] r9:c5f79f60 r8:c5346300 r7:0000000f r6:b6dfe000 r5:c414ef00 r4:c0c59104 - # EXEC_RODATA: missing 'c[ 126.612772] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) trace:': [FAIL] t[ o k1 26.623458] r9:c07e2758 r8:c5f79f60 r7:c290d000 r6:b6dfe000 r5:c414ef00 r4:00000000 4 selftests: lkdtm:< 0E>X[E C _1R6.633629] [] (vfs_write) from [] (ksys_write+0x74/0xec) ODATA.sh # exit=1< 0 >#[ s e1l2f.643194] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c5f78000 r5:c414ef00 tests: lt[m : 1E2X6E.C6_5U3358] r4:c414ef00 ERSPACE.sh <0>[ 126.657894] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 126.666326] r9:c5f78000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f <0>[ 126.674342] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 126.682176] Exception stack(0xc5f79fa8 to 0xc5f79ff0) <0>[ 126.687498] 9fa0: 0000000f 0000000f 00000001 b6dfe000 0000000f 00000001 <0>[ 126.695943] 9fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6dfe000 00020000 004efe38 <0>[ 126.704388] 9fe0: 00000004 bef6b7e8 b6ec433b b6e3d616 <0>[ 126.709713] Code: bad PC value <4>[ 126.713039] ---[ end trace 113533c15b10dcd9 ]--- # Segmentation fault # [ 126.234680] lkdtm: Performing direct entry EXEC_USERSPACE # [ 126.241328] lkdtm: attempting ok execution at c0c59a94 # [ 126.249578] lkdtm: attempting bad execution at b6f39000 # [ 126.257986] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f39000 # [ 126.268142] Internal error: : b [#8] SMP ARM # [ 126.274926] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 126.309929] CPU: 3 PID: 2145 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 126.320268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.328881] PC is at 0xb6f39000 # [ 126.334455] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 126.342012] pc : [] lr : [] psr: 60080013 # [ 126.350362] sp : c5f79e48 ip : c5f79d50 fp : c5f79e64 # [ 126.357667] r10: 0000000f r9 : c1ad70c0 r8 : c15ec020 # [ 126.364973] r7 : c5f79f60 r6 : 0000000f r5 : c43dd000 r4 : b6f39000 # [ 126.373582] r3 : 21254a19 r2 : 21254a19 r1 : ef7c05e0 r0 : 0000002b # [ 126.382106] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 126.391407] Control: 10c5387d Table: 147f004a DAC: 00000051 # [ 126.399236] Process cat (pid: 2145, stack limit = 0xe6ca7050) # [ 126.407234] Stack: (0xc5f79e48 to 0xc5f7a000) # [ 126.413679] 9e40: 00000001 00000000 0000000f 00000024 c5f79e74 c5f79e68 # [ 126.424196] 9e60: c0c58d24 c0c59b30 c5f79e9c c5f79e78 c0c59224 c0c58d04 c0c59104 c414ef00 # [ 126.434714] 9e80: b6dfe000 0000000f c5346300 c5f79f60 c5f79ec4 c5f79ea0 c07e27bc c0c59110 # [ 126.445232] 9ea0: 00000000 c414ef00 b6dfe000 c290d000 c5f79f60 c07e2758 c5f79f5c c5f79ec8 # [ 126.455752] 9ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c40db4a4 c059c9b0 c5f78000 # [ 126.466355] 9ee0: b6dfe000 00020000 00000004 0000000f 0001fff1 c5f79ee0 00000001 00000805 # [ 126.476787] 9f00: c422dcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 126.487221] 9f20: 00000000 00000000 c5f78000 21254a19 b6dfd000 c414ef00 c414ef00 c5f78000 # [ 126.497738] 9f40: b6dfe000 00000000 00000000 00000004 c5f79f94 c5f79f60 c059c9b0 c059c304 # [ 126.508171] 9f60: 00000000 00000000 c5f79fac 21254a19 0000000f 0000000f 7ff00000 00000004 # [ 126.518601] 9f80: c03002e4 c5f78000 c5f79fa4 c5f79f98 c059ca40 c059c948 00000000 c5f79fa8 # [ 126.529121] 9fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6dfe000 0000000f 00000001 # [ 126.539639] 9fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6dfe000 00020000 004efe38 # [ 126.550069] 9fe0: 00000004 bef6b7e8 b6ec433b b6e3d616 60080030 00000001 00000000 00000000 # [ 126.560581] Backtrace: # [ 126.565295] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.576674] r4:00000024 # [ 126.581383] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.591906] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.602680] r9:c5f79f60 r8:c5346300 r7:0000000f r6:b6dfe000 r5:c414ef00 r4:c0c59104 # [ 126.612772] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 126.623458] r9:c07e2758 r8:c5f79f60 r7:c290d000 r6:b6dfe000 r5:c414ef00 r4:00000000 # [ 126.633629] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.643194] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c5f78000 r5:c414ef00 # [ 126.653358] r4:c414ef00 # [ 126.657894] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.666326] r9:c5f78000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f # <6>[ 127.147873] lkdtm: Performing direct entry EXEC_NULL [ 126.674342] [] (sys_<6>[ 127.155946] lkdtm: attempting ok execution at c0c59a94 write) from [] (ret_fas<6>[ 127.164225] lkdtm: attempting bad execution at 00000000 t_syscall+0x0/0x28) # [ 126.682<1>[ 127.172529] 8<--- cut here --- 176] Exception sta([0 x c1527.178665] Unable to handle kernel NULL pointer dereference at virtual address 00000000 79fa8 to 0xc5f79ff0) # [ 126.68<1>[ 127.189221] pgd = e6b75be8 7498] 9fa0: 000<1>[ 127.195054] [00000000] *pgd=00000000 0000f 0000000f 00000001 b6dfe000 <0>[ 127.201773] Internal error: Oops: 80000005 [#9] SMP ARM 0000000f 00000001 # [ 126.69594<4>[ 127.210065] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 3] 9fc0: 0000000f 00<040>0[0 0 f127.245070] CPU: 2 PID: 2217 Comm: cat Tainted: G D W 5.10.216-cip47 #1 7ff00000 00<040>0[0 0 41 2070.0205324] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0001 b6dfe000 000<240>0[0 0 1020.263937] PC is at 0x0 4efe38 # [ 126.704388] 9fe<04:>[ 127.268819] LR is at execute_location+0xa4/0xb4 00000004 bef<64b>7[e 8 1b267e.2c6203] pc : [<00000000>] lr : [] psr: 60080013 433b b6e3d61<64 > [# [1 2 71.2284551] sp : c410de38 ip : c410dd40 fp : c410de54 .709713] d[e : 1b2a7d. 2P9C943] r10: 0000000a r9 : c1ad70d0 r8 : c15ec020 value # <[4 > [1 2 61.2771.2390162] r7 : c410df60 r6 : 00000000 r5 : 00000000 r4 : c0c59a94 39] ---[ e [t r a1c2e7 .13107684] r3 : 02008cb4 r2 : 02008cb4 r1 : ef7ab5e0 r0 : 0000002b 533c15b10dcd9 <]4->-[- 1#2 7E.316295] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none EC_USERSPA:[ m i12s7s.i3n2g683] Control: 10c5387d Table: 16e2c04a DAC: 00000051 'call trace:':< 0[>F[A I L1]2 7 333427] Process cat (pid: 2217, stack limit = 0xa85caef7) not ok 35 set[e s t1s2:7 .l341426] Stack: (0xc410de38 to 0xc410e000) dtm: EXEC_USEP[A C E1.2s7h. 47951] de20: 00000025 c43c2000 # exit=1 # selftests<0:> [l k d127.358300] de40: 0000000a c410df60 c410de64 c410de58 c13cda88 c13cd7e4 c410de74 c410de68 m: EXEC_NULL.sh <0>[ 127.368991] de60: c0c58d24 c13cda74 c410de9c c410de78 c0c59224 c0c58d04 c0c59104 c42d6280 <0>[ 127.378902] de80: b6e39000 0000000a c5346300 c410df60 c410dec4 c410dea0 c07e27bc c0c59110 <0>[ 127.387348] dea0: 00000000 c42d6280 b6e39000 c290d000 c410df60 c07e2758 c410df5c c410dec8 <0>[ 127.395795] dec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c410c000 <0>[ 127.404242] dee0: b6e39000 00020000 00000004 0000000a 0001fff6 c410dee0 00000001 b6e38000 <0>[ 127.412689] df00: c47e5400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 127.421139] df20: 00000000 00000000 c13e2de0 02008cb4 c206c220 c42d6280 c42d6280 c410c000 <0>[ 127.429585] df40: b6e39000 00000000 00000000 00000004 c410df94 c410df60 c059c9b0 c059c304 <0>[ 127.438032] df60: 00000000 00000000 c410dfac 02008cb4 0000000a 0000000a 7ff00000 00000004 <0>[ 127.446478] df80: c03002e4 c410c000 c410dfa4 c410df98 c059ca40 c059c948 00000000 c410dfa8 <0>[ 127.454925] dfa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e39000 0000000a 00000001 <0>[ 127.463371] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e39000 00020000 0041fe38 <0>[ 127.471818] dfe0: 00000004 bedd57e8 b6eff33b b6e78616 60080030 00000001 00000000 00000000 <0>[ 127.480260] Backtrace: <0>[ 127.482989] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 127.491436] r7:c410df60 r6:0000000a r5:c43c2000 r4:00000025 <0>[ 127.497370] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 127.505734] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 127.514015] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 127.522204] r9:c410df60 r8:c5346300 r7:0000000a r6:b6e39000 r5:c42d6280 r4:c0c59104 <0>[ 127.530224] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 127.538324] r9:c07e2758 r8:c410df60 r7:c290d000 r6:b6e39000 r5:c42d6280 r4:00000000 <0>[ 127.546337] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 127.553743] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c410c000 r5:c42d6280 <0>[ 127.561837] r4:c42d6280 <0>[ 127.564643] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 127.572050] r9:c410c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 127.580065] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 127.587899] Exception stack(0xc410dfa8 to 0xc410dff0) <0>[ 127.593219] dfa0: 0000000a 0000000a 00000001 b6e39000 0000000a 00000001 <0>[ 127.601665] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e39000 00020000 0041fe38 <0>[ 127.610109] dfe0: 00000004 bedd57e8 b6eff33b b6e78616 <0>[ 127.615436] Code: bad PC value <4>[ 127.618814] ---[ end trace 113533c15b10dcda ]--- <3>[ 153.630126] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 153.635983] rcu: 0-....: (1 GPs behind) idle=f22/1/0x40000004 softirq=7299/7300 fqs=1004 <4>[ 153.644516] (t=2602 jiffies g=6857 q=107) <4>[ 153.648882] NMI backtrace for cpu 0 <4>[ 153.652643] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.216-cip47 #1 <4>[ 153.660912] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 153.667705] Backtrace: <4>[ 153.670439] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 153.678279] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1d0d8 <4>[ 153.684211] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 153.691795] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 153.699894] r9:c19df018 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 153.707910] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 153.717828] r5:c1e16800 r4:c03115d8 <4>[ 153.721681] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 153.732558] r9:c19df018 r8:c206a859 r7:c1e15d9c r6:c1ea9500 r5:c1ea9500 r4:00000000 <4>[ 153.740575] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 153.750763] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 153.760078] r10:c1e16560 r9:c1daf480 r8:c206bb40 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 153.768172] r4:c1ea9500 <4>[ 153.770983] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 153.780124] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:c477377c r6:c1e01d28 r5:c1e00000 <4>[ 153.788218] r4:00000000 <4>[ 153.791025] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 153.799990] r5:00000023 r4:ef786f68 <4>[ 153.803836] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 153.812458] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 153.821511] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 153.829525] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 153.838666] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:c4773394 r6:00000023 r5:60070193 <4>[ 153.846759] r4:ef7869c0 <4>[ 153.849567] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 153.857753] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2973700 <4>[ 153.865847] r4:00000001 <4>[ 153.868658] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 153.877447] r5:c2973700 r4:c295b400 <4>[ 153.881295] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 153.890695] r9:c1e01d28 r8:c2900400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dad49c <4>[ 153.898710] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 153.907329] r9:c1e01d28 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 153.915344] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 153.923092] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 153.928415] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 153.936862] 1d40: 00000000 00000001 c2900400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 153.945305] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 153.950626] r9:c1e00000 r8:c2900400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 153.958642] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 153.966829] r10:0000001d r9:c1e01e60 r8:c2900400 r7:00000001 r6:00000000 r5:00000000 <4>[ 153.974923] r4:ffffe000 <4>[ 153.977726] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 153.985387] r5:00000000 r4:c1dad49c <4>[ 153.989231] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 153.997330] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 154.005949] r9:c1e01e60 r8:f400010c r7:c1dad4c0 r6:f4000100 r5:c1f1da44 r4:c1e16880 <4>[ 154.013960] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 154.021707] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 154.027029] 1e60: c100267c ffffe000 00000000 c1e00000 00000000 c1e1edf0 ef78cb78 00000000 <4>[ 154.035475] 1e80: c1e15d98 c206c280 0000001d c1e01eec c1e01e88 c1e01eb0 c0478294 c1002680 <4>[ 154.043917] 1ea0: 60070013 ffffffff <4>[ 154.047675] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c1002680 <4>[ 154.055693] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 154.064228] r10:c1e1edf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1edf0 <4>[ 154.072322] r4:ef78cb78 <4>[ 154.075130] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 154.082794] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 154.088723] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 154.096562] r10:c4f5b502 r9:c1cd2a78 r8:00000000 r7:c26e8c80 r6:00000002 r5:c1e01f68 <4>[ 154.104656] r4:000000dc <4>[ 154.107467] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 154.115662] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 154.123845] r6:c1e00000 r5:00000001 r4:c20a7068 <4>[ 154.128735] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 154.137358] [] (start_kernel) from [<00000000>] (0x0) # Segmentation fault # not ok 36 selftests: lkdtm: EXEC_NULL.sh # TIMEOUT 45 seconds # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 172.304363] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 172.310312] lkdtm: attempting bad read at b6f04000 <1>[ 172.315407] 8<--- cut here --- <1>[ 172.318742] Unhandled fault: page domain fault (0x01b) at 0xb6f04000 <1>[ 172.325368] pgd = bc61aa96 <1>[ 172.328346] [b6f04000] *pgd=495c1831 <0>[ 172.332204] Internal error: : 1b [#10] SMP ARM <4>[ 172.336920] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 172.369324] CPU: 0 PID: 2289 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 172.377338] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 172.384145] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 172.389642] LR is at 0x0 <4>[ 172.392446] pc : [] lr : [<00000000>] psr: 60080013 <4>[ 172.398983] sp : c68a3e38 ip : 00000027 fp : c68a3e64 <4>[ 172.404475] r10: 00000011 r9 : c1ad70dc r8 : c15ec020 <4>[ 172.409970] r7 : c68a3f60 r6 : 00000051 r5 : c68a2000 r4 : b6f04000 <4>[ 172.416765] r3 : fe9513ef r2 : fe9513ef r1 : ef7815e4 r0 : 00000026 <4>[ 172.423563] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 172.430967] Control: 10c5387d Table: 16d7404a DAC: 00000051 <0>[ 172.436982] Process cat (pid: 2289, stack limit = 0x70b784a2) <0>[ 172.442998] Stack: (0xc68a3e38 to 0xc68a4000) <0>[ 172.447627] 3e20: 00000022 00000000 <0>[ 172.456077] 3e40: 00000000 fe9513ef c68a3e6c 00000026 c45ee000 00000011 c68a3e74 c68a3e68 <0>[ 172.464529] 3e60: c0c58d24 c0c59c04 c68a3e9c c68a3e78 c0c59224 c0c58d04 c0c59104 c47e4a00 <0>[ 172.472978] 3e80: b6dc9000 00000011 c5346300 c68a3f60 c68a3ec4 c68a3ea0 c07e27bc c0c59110 <0>[ 172.481429] 3ea0: 00000000 c47e4a00 b6dc9000 c290d000 c68a3f60 c07e2758 c68a3f5c c68a3ec8 <0>[ 172.489879] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c68a2000 <0>[ 172.498329] 3ee0: b6dc9000 00020000 00000004 00000011 0001ffef c68a3ee0 00000001 b6dc8000 <0>[ 172.506778] 3f00: c42d6500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 172.515228] 3f20: 00000000 00000000 c13e2de0 fe9513ef c206c220 c47e4a00 c47e4a00 c68a2000 <0>[ 172.523677] 3f40: b6dc9000 00000000 00000000 00000004 c68a3f94 c68a3f60 c059c9b0 c059c304 <0>[ 172.532128] 3f60: 00000000 00000000 c68a3fac fe9513ef 00000011 00000011 7ff00000 00000004 <0>[ 172.540577] 3f80: c03002e4 c68a2000 c68a3fa4 c68a3f98 c059ca40 c059c948 00000000 c68a3fa8 <0>[ 172.549029] 3fa0: c03000c0 c059ca34 00000011 00000011 00000001 b6dc9000 00000011 00000001 <0>[ 172.557478] 3fc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc9000 00020000 004ffe38 <0>[ 172.565928] 3fe0: 00000004 bed6e7e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 <0>[ 172.574370] Backtrace: <0>[ 172.577102] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 172.586073] r6:00000011 r5:c45ee000 r4:00000026 <0>[ 172.590968] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 172.599254] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 172.607446] r9:c68a3f60 r8:c5346300 r7:00000011 r6:b6dc9000 r5:c47e4a00 r4:c0c59104 <0>[ 172.615468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 172.623572] r9:c07e2758 r8:c68a3f60 r7:c290d000 r6:b6dc9000 r5:c47e4a00 r4:00000000 <0>[ 172.631591] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 172.638999] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c68a2000 r5:c47e4a00 <0>[ 172.647096] r4:c47e4a00 <0>[ 172.649905] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 172.657314] r9:c68a2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 <0>[ 172.665335] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 172.673173] Exception stack(0xc68a3fa8 to 0xc68a3ff0) <0>[ 172.678497] 3fa0: 00000011 00000011 00000001 b6dc9000 00000011 00000001 <0>[ 172.686946] 3fc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc9000 00020000 004ffe38 <0>[ 172.695393] 3fe0: 00000004 bed6e7e8 b6e8f33b b6e08616 <0>[ 172.700718] Code: e1a01004 e3080000 e34c01ad eb1da322 (e5943000) <4>[ 172.707087] ---[ end trace 113533c15b10dcdb ]--- # Segmentation fault # [ 172.304363] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 172.310312] lkdtm: attempting bad read at b6f04000 # [ 172.315407] 8<--- cut here --- # [ 172.318742] Unhandled fault: page domain fault (0x01b) at 0xb6f04000 # [ 172.325368] pgd = bc61aa96 # [ 172.328346] [b6f04000] *pgd=495c1831 # [ 172.332204] Internal error: : 1b [#10] SMP ARM # [ 172.336920] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 172.369324] CPU: 0 PID: 2289 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 172.377338] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 172.384145] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 172.389642] LR is at 0x0 # [ 172.392446] pc : [] lr : [<00000000>] psr: 60080013 # [ 172.398983] sp : c68a3e38 ip : 00000027 fp : c68a3e64 # [ 172.404475] r10: 00000011 r9 : c1ad70dc r8 : c15ec020 # [ 172.409970] r7 : c68a3f60 r6 : 00000051 r5 : c68a2000 r4 : b6f04000 # [ 172.416765] r3 : fe9513ef r2 : fe9513ef r1 : ef7815e4 r0 : 00000026 # [ 172.423563] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 172.430967] Control: 10c5387d Table: 16d7404a DAC: 00000051 # [ 172.436982] Process cat (pid: 2289, stack limit = 0x70b784a2) # [ 172.442998] Stack: (0xc68a3e38 to 0xc68a4000) # [ 172.447627] 3e20: 00000022 00000000 # [ 172.456077] 3e40: 00000000 fe9513ef c68a3e6c 00000026 c45ee000 00000011 c68a3e74 c68a3e68 # [ 172.464529] 3e60: c0c58d24 c0c59c04 c68a3e9c c68a3e78 c0c59224 c0c58d04 c0c59104 c47e4a00 # [ 172.472978] 3e80: b6dc9000 00000011 c5346300 c68a3f60 c68a3ec4 c68a3ea0 c07e27bc c0c59110 # [ 172.481429] 3ea0: 00000000 c47e4a00 b6dc9000 c290d000 c68a3f60 c07e2758 c68a3f5c c68a3ec8 # [ 172.489879] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c68a2000 # [ 172.498329] 3ee0: b6dc9000 00020000 00000004 00000011 0001ffef c68a3ee0 00000001 b6dc8000 # [ 172.506778] 3f00: c42d6500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 172.515228] 3f20: 00000000 00000000 c13e2de0 fe9513ef c206c220 c47e4a00 c47e4a00 c68a2000 # [ 172.523677] 3f40: b6dc9000 00000000 00000000 00000004 c68a3f94 c68a3f60 c059c9b0 c059c304 # [ 172.532128] 3f60: 00000000 00000000 c68a3fac fe9513ef 00000011 00000011 7ff00000 00000004 # [ 172.540577] 3f80: c03002e4 c68a2000 c68a3fa4 c68a3f98 c059ca40 c059c948 00000000 c68a3fa8 # [ 172.549029] 3fa0: c03000c0 c059ca34 00000011 00000011 00000001 b6dc9000 00000011 00000001 # [ 172.557478] 3fc0: 00000011 00000011 7ff00000 00000004 00000001 b6dc9000 00020000 004ffe38 # [ 172.565928] 3fe0: 00000004 bed6e7e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 # [ 172.574370] Backtrace: # [ 172.577102] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 172.586073] r6:00000011 r5:c45ee000 r4:00000026 # [ 172.590968] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 172.599254] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 172.607446] r9:c68a3f60 r8:c5346300 r7:00000011 r6:b6dc9000 r5:c47e4a00 r4:c0c59104 # [ 172.615468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 172.623572] r9:c07e2758 r8:c68a3f60 r7:c290d000 r6:b6dc9000 r5:c47e4a00 r4:00000000 # [ 172.631591] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 172.638999] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c68a2000 r5:c47e4a00 <6>[ 173.175532] lkdtm: Performing direct entry ACCESS_NULL # [ 172.647096] r4:c47e4a00 # <6>[ 173.181939] lkdtm: attempting bad read at 00000000 [ 172.649905] [] (ksys<1>[ 173.189800] 8<--- cut here --- _write) from [] (sys_wr<1>[ 173.196155] Unable to handle kernel NULL pointer dereference at virtual address 00000000 ite+0x18/0x1c) # [ 172.657314] <1>[ 173.207232] pgd = 497e056c r9:c68a2000 r8:c03002e4 r7:00000<1>[ 173.213053] [00000000] *pgd=00000000 004 r6:7ff00000 r5:00<000>0[0 1 173.219728] Internal error: Oops: 5 [#11] SMP ARM r4:00000011 # [ 172.665335] [<<4>[ 173.226944] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 c059ca28>] (sys_wri)[ f r1o3.261946] CPU: 3 PID: 2365 Comm: cat Tainted: G D W 5.10.216-cip47 #1 m [>[ ] 1(7r3e.t2_7f114] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ast_syscall+0x0/0x28) # [ 17<24>[ 173.280651] PC is at lkdtm_ACCESS_NULL+0x28/0x68 673173] Exception< 4s>t[a c k1(73.288208] LR is at 0x0 xc68a3fa8 [0 x c16783a.32f93080] pc : [] lr : [<00000000>] psr: 60080013 0) # [ < 4>1[7 2 .167738.439071]28] sp : c5e93e50 ip : 00000027 fp : c5e93e64 3fa0: < 4 > [ 1 7 3 . 3 0 561] r10: 0000000c r9 : c1ad70f0 r8 : c15ec020 0000001<14 >0[0 0 0107031.13 5782] r7 : c5e93f60 r6 : 0000000c r5 : c6b4d000 r4 : 00000000 0000000<14 >b[ 6 d1c7930.0302 40390] r3 : 1a9b7369 r2 : 1a9b7369 r1 : ef7c05e4 r0 : 00000026 000011 0000000<14 > [# [1 7 3.132829] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 72.686946]< 43>f[c 0 :1 7030.03042131] Control: 10c5387d Table: 1458c04a DAC: 00000051 011 00000011 7f0[0 0 01 7030349962] Process cat (pid: 2365, stack limit = 0xc9fa951d) 000004 0000<000>0[1 b1763d.c3957962] Stack: (0xc5e93e50 to 0xc5e94000) 00 00020000 004f3[8 1#7 3.364405] 3e40: 00000027 c6b4d000 c5e93e74 c5e93e68 172.695393] 30[: 0107030374923] 3e60: c0c58d24 c13cda98 c5e93e9c c5e93e78 c0c59224 c0c58d04 c0c59104 c47cf7c0 0004 bed6e7e8 b6e83[b b1673.385357] 3e80: b6dc9000 0000000c c5346300 c5e93f60 c5e93ec4 c5e93ea0 c07e27bc c0c59110 08616 # [ 172<.0>7[0 0 711783].395961] 3ea0: 00000000 c47cf7c0 b6dc9000 c290d000 c5e93f60 c07e2758 c5e93f5c c5e93ec8 Code: e1a01004 e3<008>0[0 0 01 73.406393] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c5e92000 34c01ad eb1da32<20 >([e 5 9147330416913] 3ee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c5e93ee0 00000001 b6dc8000 00) # [ 1<702>.[7 0 7107837.]427343] 3f00: c414eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ---[ end trace 113<503>3[c 1 51b73.437690] 3f20: 00000000 00000000 c13e2de0 1a9b7369 c206c220 c47cf7c0 c47cf7c0 c5e92000 0dcdb ]--- # ACS[S _ U17S3E448294] 3f40: b6dc9000 00000000 00000000 00000004 c5e93f94 c5e93f60 c059c9b0 c059c304 RSPACE: missing <'0c>a[l l 1t7r3.458728] 3f60: 00000000 00000000 c5e93fac 1a9b7369 0000000c 0000000c 7ff00000 00000004 ce:': [FAIL] noo[k 3177 3.469246] 3f80: c03002e4 c5e92000 c5e93fa4 c5e93f98 c059ca40 c059c948 00000000 c5e93fa8 elftests: lkdt [A C C1E7S3S.479764] 3fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 USERSPACE.sh # et[= 11 7 3#490197] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 0048fe38 selftests: lkdt [A C C1E7S3.500628] 3fe0: 00000004 bee007e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 _NULL.sh <0>[ 173.511141] Backtrace: <0>[ 173.514732] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 173.523264] r5:c6b4d000 r4:00000027 <0>[ 173.527113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 173.535395] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 173.543581] r9:c5e93f60 r8:c5346300 r7:0000000c r6:b6dc9000 r5:c47cf7c0 r4:c0c59104 <0>[ 173.551601] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 173.559700] r9:c07e2758 r8:c5e93f60 r7:c290d000 r6:b6dc9000 r5:c47cf7c0 r4:00000000 <0>[ 173.567715] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 173.575119] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c5e92000 r5:c47cf7c0 <0>[ 173.583213] r4:c47cf7c0 <0>[ 173.586020] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 173.593425] r9:c5e92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 173.601441] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 173.609278] Exception stack(0xc5e93fa8 to 0xc5e93ff0) <0>[ 173.614598] 3fa0: 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 <0>[ 173.623044] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 0048fe38 <0>[ 173.631491] 3fe0: 00000004 bee007e8 b6e8f33b b6e08616 <0>[ 173.636813] Code: e3080000 e34c01ad e1a01004 ebffd3b8 (e5945000) <4>[ 173.643242] ---[ end trace 113533c15b10dcdc ]--- # Segmentation fault # [ 173.175532] lkdtm: Performing direct entry ACCESS_NULL # [ 173.181939] lkdtm: attempting bad read at 00000000 # [ 173.189800] 8<--- cut here --- # [ 173.196155] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 173.207232] pgd = 497e056c # [ 173.213053] [00000000] *pgd=00000000 # [ 173.219728] Internal error: Oops: 5 [#11] SMP ARM # [ 173.226944] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 173.261946] CPU: 3 PID: 2365 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 173.272114] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 173.280651] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 173.288208] LR is at 0x0 # [ 173.293080] pc : [] lr : [<00000000>] psr: 60080013 # [ 173.301428] sp : c5e93e50 ip : 00000027 fp : c5e93e64 # [ 173.308561] r10: 0000000c r9 : c1ad70f0 r8 : c15ec020 # [ 173.315782] r7 : c5e93f60 r6 : 0000000c r5 : c6b4d000 r4 : 00000000 # [ 173.324390] r3 : 1a9b7369 r2 : 1a9b7369 r1 : ef7c05e4 r0 : 00000026 # [ 173.332829] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 173.342131] Control: 10c5387d Table: 1458c04a DAC: 00000051 # [ 173.349962] Process cat (pid: 2365, stack limit = 0xc9fa951d) # [ 173.357962] Stack: (0xc5e93e50 to 0xc5e94000) # [ 173.364405] 3e40: 00000027 c6b4d000 c5e93e74 c5e93e68 # [ 173.374923] 3e60: c0c58d24 c13cda98 c5e93e9c c5e93e78 c0c59224 c0c58d04 c0c59104 c47cf7c0 # [ 173.385357] 3e80: b6dc9000 0000000c c5346300 c5e93f60 c5e93ec4 c5e93ea0 c07e27bc c0c59110 # [ 173.395961] 3ea0: 00000000 c47cf7c0 b6dc9000 c290d000 c5e93f60 c07e2758 c5e93f5c c5e93ec8 # [ 173.406393] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c5e92000 # [ 173.416913] 3ee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c5e93ee0 00000001 b6dc8000 # [ 173.427343] 3f00: c414eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 173.437690] 3f20: 00000000 00000000 c13e2de0 1a9b7369 c206c220 c47cf7c0 c47cf7c0 c5e92000 # [ 173.448294] 3f40: b6dc9000 00000000 00000000 00000004 c5e93f94 c5e93f60 c059c9b0 c059c304 # [ 173.458728] 3f60: 00000000 00000000 c5e93fac 1a9b7369 0000000c 0000000c 7ff00000 00000004 # [ 173.469246] 3f80: c03002e4 c5e92000 c5e93fa4 c5e93f98 c059ca40 c059c948 00000000 c5e93fa8 # [ 173.479764] 3fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 # [ 173.490197] 3fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 0048fe38 # [ 173.500628] 3fe0: 00000004 bee007e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 # [ 173.511141] Backtrace: # [ 173.514732] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 173.523264] r5:c6b4d000 r4:00000027 # [ 173.527113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 173.535395] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 173.543581] r9:c5e93f60 r8:c5346300 r7:0000000c r6:b6dc9000 r5:c47cf7c0 r4:c0c59104 # [ 173.551601] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 173.559700] r9:c07e2758 r8:c5e93f60 r7:c290d000 r6:b6dc9000 r5:c47cf7c0 r4:00000000 # [ 173.567715] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 173.575119] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c5e92000 r5:c47cf7c0 # [ 173.583213] r4:c47cf7c0 # [ 173.586020] [] (ksys_write) from [] (sys_write<6>[ 174.076252] lkdtm: Performing direct entry WRITE_RO +0x18/0x1c) # [ 173.593425] r9<6>[ 174.082113] lkdtm: attempting bad rodata write at c15ec2b8 :c5e92000 r8:c03002e4 r7:00000004<1>[ 174.090753] 8<--- cut here --- r6:7ff00000 r5:0000<010>0[ c 1r4.096835] Unable to handle kernel paging request at virtual address c15ec2b8 4:0000000c< 1 >#[ [ 1 7147.31.06485] pgd = 4d0ae8e6 01441] [] (sys_wre 174.111275] [c15ec2b8] *pgd=1141941e(bad) ) from [<]0 >([r e t1_74.118067] Internal error: Oops: 80d [#12] SMP ARM ast_syscall+0x0/0x28) # [ 173.6<4>[ 174.125370] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 09278] Exception stack<(40>x[c 5 174.160373] CPU: 1 PID: 2440 Comm: cat Tainted: G D W 5.10.216-cip47 #1 93fa8 to 0xc<54e>9[3 f f1704). 1 0714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 173.614598] 3fa0: < >[ 174.179335] PC is at lkdtm_WRITE_RO+0x44/0x50 0000000c <040>0[0 0 01074.186633] LR is at __irq_work_queue_local+0x40/0x74 00000001 d[c 9 010704 .01094110] pc : [] lr : [] psr: 60080013 0000c 000<040>0[ 0 11 7 4#. 2[0 2456] sp : c6aa3e50 ip : c6aa3d58 fp : c6aa3e64 173.6230<444>][ 3 f1c704:. 20009676] r10: 00000009 r9 : c1ad70fc r8 : c15ec020 0000c 00000<040>c[ 7 f1f7040.0206897] r7 : c6aa3f60 r6 : 00000009 r5 : c6c33000 r4 : c15ec2b8 0 00000004 <04>0[0 0 0107041. 2b25505] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1ad7f00 dc9000 0002000<04 >0[0 4 81f7e4.334116] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 8 # [ 173<.46>3[1 4 9117]4 .32f3417] Control: 10c5387d Table: 16e4c04a DAC: 00000051 e0: 00000004 e[0 0 71e784 .b51245] Process cat (pid: 2440, stack limit = 0xace1a3e9) 6e8f33b b6e0<806>1[6 17#4 .[2 9159] Stack: (0xc6aa3e50 to 0xc6aa4000) 173.636813] Co:[ e 3107840265600] 3e40: 00000028 c6c33000 c6aa3e74 c6aa3e68 000 e34c01ad e1a<001>0[0 4 1e7b4.276032] 3e60: c0c58d24 c13cd898 c6aa3e9c c6aa3e78 c0c59224 c0c58d04 c0c59104 c41b8c80 fd3b8 (e5945000)< 0 > [# [1 7 4.286551] 3e80: b6e31000 00000009 c5346300 c6aa3f60 c6aa3ec4 c6aa3ea0 c07e27bc c0c59110 73.643242] ---[ d[ t r1a7c4.297069] 3ea0: 00000000 c41b8c80 b6e31000 c290d000 c6aa3f60 c07e2758 c6aa3f5c c6aa3ec8 113533c15b10dcd][- - -1 7 4.307587] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c6aa2000 ACCESS_NULL: ms[i n g1 7'4c318107] 3ee0: b6e31000 00020000 00000004 00000009 0001fff7 c6aa3ee0 00000001 b6e30000 all trace:': [I[L ] 1 7n4o.328537] 3f00: c68c3540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ok 38 selftests:< 0l>k[d t m1:7 .338971] 3f20: 00000000 00000000 c13e2de0 a27fb1ac c206c220 c41b8c80 c41b8c80 c6aa2000 ACCESS_NULL.sh #< 0e>x[i t =117 4.349488] 3f40: b6e31000 00000000 00000000 00000004 c6aa3f94 c6aa3f60 c059c9b0 c059c304 # selftests: lkdtm<:0 >W[R I T1E74.360007] 3f60: 00000000 00000000 c6aa3fac a27fb1ac 00000009 00000009 7ff00000 00000004 RO.sh <0>[ 174.370612] 3f80: c03002e4 c6aa2000 c6aa3fa4 c6aa3f98 c059ca40 c059c948 00000000 c6aa3fa8 <0>[ 174.379655] 3fa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e31000 00000009 00000001 <0>[ 174.388101] 3fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e31000 00020000 0042fe38 <0>[ 174.396547] 3fe0: 00000004 be83b7e8 b6ef733b b6e70616 60080030 00000001 00000000 00000000 <0>[ 174.404987] Backtrace: <0>[ 174.407717] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 174.415991] r5:c6c33000 r4:00000028 <0>[ 174.419838] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 174.428118] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 174.436306] r9:c6aa3f60 r8:c5346300 r7:00000009 r6:b6e31000 r5:c41b8c80 r4:c0c59104 <0>[ 174.444324] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 174.452425] r9:c07e2758 r8:c6aa3f60 r7:c290d000 r6:b6e31000 r5:c41b8c80 r4:00000000 <0>[ 174.460440] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 174.467844] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c6aa2000 r5:c41b8c80 <0>[ 174.475937] r4:c41b8c80 <0>[ 174.478744] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 174.486149] r9:c6aa2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 <0>[ 174.494163] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 174.501997] Exception stack(0xc6aa3fa8 to 0xc6aa3ff0) <0>[ 174.507320] 3fa0: 00000009 00000009 00000001 b6e31000 00000009 00000001 <0>[ 174.515765] 3fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e31000 00020000 0042fe38 <0>[ 174.524209] 3fe0: 00000004 be83b7e8 b6ef733b b6e70616 <0>[ 174.529532] Code: e34a3bcd e3070f00 e34c01ad e0233002 (e5843000) <4>[ 174.535896] ---[ end trace 113533c15b10dcdd ]--- # Segmentation fault # [ 174.076252] lkdtm: Performing direct entry WRITE_RO # [ 174.082113] lkdtm: attempting bad rodata write at c15ec2b8 # [ 174.090753] 8<--- cut here --- # [ 174.096835] Unable to handle kernel paging request at virtual address c15ec2b8 # [ 174.106485] pgd = 4d0ae8e6 # [ 174.111275] [c15ec2b8] *pgd=1141941e(bad) # [ 174.118067] Internal error: Oops: 80d [#12] SMP ARM # [ 174.125370] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 174.160373] CPU: 1 PID: 2440 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 174.170714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 174.179335] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 174.186633] LR is at __irq_work_queue_local+0x40/0x74 # [ 174.194110] pc : [] lr : [] psr: 60080013 # [ 174.202456] sp : c6aa3e50 ip : c6aa3d58 fp : c6aa3e64 # [ 174.209676] r10: 00000009 r9 : c1ad70fc r8 : c15ec020 # [ 174.216897] r7 : c6aa3f60 r6 : 00000009 r5 : c6c33000 r4 : c15ec2b8 # [ 174.225505] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1ad7f00 # [ 174.234116] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 174.243417] Control: 10c5387d Table: 16e4c04a DAC: 00000051 # [ 174.251245] Process cat (pid: 2440, stack limit = 0xace1a3e9) # [ 174.259159] Stack: (0xc6aa3e50 to 0xc6aa4000) # [ 174.265600] 3e40: 00000028 c6c33000 c6aa3e74 c6aa3e68 # [ 174.276032] 3e60: c0c58d24 c13cd898 c6aa3e9c c6aa3e78 c0c59224 c0c58d04 c0c59104 c41b8c80 # [ 174.286551] 3e80: b6e31000 00000009 c5346300 c6aa3f60 c6aa3ec4 c6aa3ea0 c07e27bc c0c59110 # [ 174.297069] 3ea0: 00000000 c41b8c80 b6e31000 c290d000 c6aa3f60 c07e2758 c6aa3f5c c6aa3ec8 # [ 174.307587] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c6aa2000 # [ 174.318107] 3ee0: b6e31000 00020000 00000004 00000009 0001fff7 c6aa3ee0 00000001 b6e30000 # [ 174.328537] 3f00: c68c3540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 174.338971] 3f20: 00000000 00000000 c13e2de0 a27fb1ac c206c220 c41b8c80 c41b8c80 c6aa2000 # [ 174.349488] 3f40: b6e31000 00000000 00000000 00000004 c6aa3f94 c6aa3f60 c059c9b0 c059c304 # [ 174.360007] 3f60: 00000000 00000000 c6aa3fac a27fb1ac 00000009 00000009 7ff00000 00000004 # [ 174.370612] 3f80: c03002e4 c6aa2000 c6aa3fa4 c6aa3f98 c059ca40 c059c948 00000000 c6aa3fa8 # [ 174.379655] 3fa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e31000 00000009 00000001 # [ 174.388101] 3fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e31000 00020000 0042fe38 # [ 174.396547] 3fe0: 00000004 be83b7e8 b6ef733b b6e70616 60080030 00000001 00000000 00000000 # [ 174.404987] Backtrace: # [ 174.407717] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 174.415991] r5:c6c33000 r4:00000028 # [ 174.419838] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 174.428118] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 174.436306] r9:c6aa3f60 r8:c5346300 r7:00000009 r6:b6e31000 r5:c41b8c80 r4:c0c59104 # [ 174.444324] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 174.452425] r9:c07e2758 r8:c6aa3f60 r7:c290d000 r6:b6e31000 r5:c41b8c80 r4:00000000 # [ 174.460440] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 174.467844] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c6aa2000 r5:c41b8c80 # [ 174.475937] r4:c4<6>[ 175.002224] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 1b8c80 # [ 174.4787<464>][ [ <75.008996] lkdtm: attempting bad ro_after_init write at c1b8ac74 c059c93c>] (ksys_write) from [[ 175.017670] 8<--- cut here --- 59ca40>] (sys_write+0x18/0x1c) #<1>[ 175.023807] Unable to handle kernel paging request at virtual address c1b8ac74 [ 174.486149] r9:c<61a>a[2 0 075.034152] pgd = 4f496262 0 r8:c03002e4 r7:00000004 r6:7ff0<1>[ 175.039384] [c1b8ac74] *pgd=11a1941e(bad) 0000 r5:00000009 r4:00000009< 0 >[ 175.046533] Internal error: Oops: 80d [#13] SMP ARM [ 174.494163] [] (sys<4>[ 175.054277] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 _write) from [] (ret_fa<4>[ 175.089297] CPU: 3 PID: 2515 Comm: cat Tainted: G D W 5.10.216-cip47 #1 st_syscall+0x0/<04x>2[8 ) 1 7#5 100159] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 174.501997] Exception stack(0x<4>[ 175.108978] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 c6aa3fa8 to 0xc6aa3ff0) # [ < 41[ 175.117409] LR is at __irq_work_queue_local+0x40/0x74 74.507320] 3fa0: < 4 > [ 175.125326] pc : [] lr : [] psr: 60080013 0000000<94 >0[0 0 0107050.134200] sp : c6bb5e50 ip : c6bb5d58 fp : c6bb5e64 00000001 b6e3100<04 >0[0 0 01070.141691] r10: 00000014 r9 : c1ad7108 r8 : c15ec020 09 00000001 # [ 174.<541>5[7 6 175.149267] r7 : c6bb5f60 r6 : 00000014 r5 : c5f37000 r4 : c1b8ac74 ] 3fc0: 0000000<94 >0[0 0 0107050158403] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad7f00 9 7ff00000 00000004 0000000<14 >b 175.167201] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 6e31000 00020000 00<442>f[e 3 81 5.177115] Control: 10c5387d Table: 16b8c04a DAC: 00000051 # [ 174.524209] 3fe<00:> [0 0 075.185301] Process cat (pid: 2515, stack limit = 0xf81eff1d) 00004 be83b7e8 b<60e>f[7 3 31b7 5.193568] Stack: (0xc6bb5e50 to 0xc6bb6000) 6e70616 # [ 174.529532] Code:< >[ 175.200287] 5e40: 00000029 c5f37000 c6bb5e74 c6bb5e68 e34a3bcd e3070f00 e34c01ad e0233<0>[ 175.211425] 5e60: c0c58d24 c13cd8e8 c6bb5e9c c6bb5e78 c0c59224 c0c58d04 c0c59104 c6a2a280 02 (e5843000) # [ 174.535896]<0>[ 175.222646] 5e80: b6dc8000 00000014 c5346300 c6bb5f60 c6bb5ec4 c6bb5ea0 c07e27bc c0c59110 ---[ end trace 113533c15b10dcd[ 175.233868] 5ea0: 00000000 c6a2a280 b6dc8000 c290d000 c6bb5f60 c07e2758 c6bb5f5c c6bb5ec8 ]--- # WRITE_RO: missing 'call <0>[ 175.245005] 5ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c6bb4000 race:': [FAIL] not ok 39 sel[ 175.267272] 5f00: c433f900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 =1 # selftests: lkdtm: WRITE_[ 175.278322] 5f20: 00000000 00000000 c13e2de0 972b6845 c206c220 c6a2a280 c6a2a280 c6bb4000 _AFTER_INIT.sh <0>[ 175.289455] 5f40: b6dc8000 00000000 00000000 00000004 c6bb5f94 c6bb5f60 c059c9b0 c059c304 <0>[ 175.299291] 5f60: 00000000 00000000 c6bb5fac 972b6845 00000014 00000014 7ff00000 00000004 <0>[ 175.307760] 5f80: c03002e4 c6bb4000 c6bb5fa4 c6bb5f98 c059ca40 c059c948 00000000 c6bb5fa8 <0>[ 175.316229] 5fa0: c03000c0 c059ca34 00000014 00000014 00000001 b6dc8000 00000014 00000001 <0>[ 175.324700] 5fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dc8000 00020000 0044fe38 <0>[ 175.333169] 5fe0: 00000004 bea317e8 b6e8e33b b6e07616 60080030 00000001 00000000 00000000 <0>[ 175.341625] Backtrace: <0>[ 175.344400] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 175.353651] r5:c5f37000 r4:00000029 <0>[ 175.357528] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 175.365842] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 175.374055] r9:c6bb5f60 r8:c5346300 r7:00000014 r6:b6dc8000 r5:c6a2a280 r4:c0c59104 <0>[ 175.382105] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 175.390230] r9:c07e2758 r8:c6bb5f60 r7:c290d000 r6:b6dc8000 r5:c6a2a280 r4:00000000 <0>[ 175.398271] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 175.405700] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c6bb4000 r5:c6a2a280 <0>[ 175.413813] r4:c6a2a280 <0>[ 175.416645] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 175.424075] r9:c6bb4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 <0>[ 175.432116] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 175.439969] Exception stack(0xc6bb5fa8 to 0xc6bb5ff0) <0>[ 175.445313] 5fa0: 00000014 00000014 00000001 b6dc8000 00000014 00000001 <0>[ 175.453783] 5fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dc8000 00020000 0044fe38 <0>[ 175.462245] 5fe0: 00000004 bea317e8 b6e8e33b b6e07616 <0>[ 175.467591] Code: e34a3bcd e3070f00 e34c01ad e0233002 (e5843000) <4>[ 175.473979] ---[ end trace 113533c15b10dcde ]--- # Segmentation fault # [ 175.002224] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 175.008996] lkdtm: attempting bad ro_after_init write at c1b8ac74 # [ 175.017670] 8<--- cut here --- # [ 175.023807] Unable to handle kernel paging request at virtual address c1b8ac74 # [ 175.034152] pgd = 4f496262 # [ 175.039384] [c1b8ac74] *pgd=11a1941e(bad) # [ 175.046533] Internal error: Oops: 80d [#13] SMP ARM # [ 175.054277] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 175.089297] CPU: 3 PID: 2515 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 175.100159] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 175.108978] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 175.117409] LR is at __irq_work_queue_local+0x40/0x74 # [ 175.125326] pc : [] lr : [] psr: 60080013 # [ 175.134200] sp : c6bb5e50 ip : c6bb5d58 fp : c6bb5e64 # [ 175.141691] r10: 00000014 r9 : c1ad7108 r8 : c15ec020 # [ 175.149267] r7 : c6bb5f60 r6 : 00000014 r5 : c5f37000 r4 : c1b8ac74 # [ 175.158403] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad7f00 # [ 175.167201] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 175.177115] Control: 10c5387d Table: 16b8c04a DAC: 00000051 # [ 175.185301] Process cat (pid: 2515, stack limit = 0xf81eff1d) # [ 175.193568] Stack: (0xc6bb5e50 to 0xc6bb6000) # [ 175.200287] 5e40: 00000029 c5f37000 c6bb5e74 c6bb5e68 # [ 175.211425] 5e60: c0c58d24 c13cd8e8 c6bb5e9c c6bb5e78 c0c59224 c0c58d04 c0c59104 c6a2a280 # [ 175.222646] 5e80: b6dc8000 00000014 c5346300 c6bb5f60 c6bb5ec4 c6bb5ea0 c07e27bc c0c59110 # [ 175.233868] 5ea0: 00000000 c6a2a280 b6dc8000 c290d000 c6bb5f60 c07e2758 c6bb5f5c c6bb5ec8 # [ 175.245005] 5ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c6bb4000 # [ 175.256224] 5ee0: b6dc8000 00020000 00000004 00000014 0001ffec c6bb5ee0 00000001 b6dc7000 # [ 175.267272] 5f00: c433f900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 175.278322] 5f20: 00000000 00000000 c13e2de0 972b6845 c206c220 c6a2a280 c6a2a280 c6bb4000 # [ 175.289455] 5f40: b6dc8000 00000000 00000000 00000004 c6bb5f94 c6bb5f60 c059c9b0 c059c304 # [ 175.299291] 5f60: 00000000 00000000 c6bb5fac 972b6845 00000014 00000014 7ff00000 00000004 # [ 175.307760] 5f80: c03002e4 c6bb4000 c6bb5fa4 c6bb5f98 c059ca40 c059c948 00000000 c6bb5fa8 # [ 175.316229] 5fa0: c03000c0 c059ca34 00000014 00000014 00000001 b6dc8000 00000014 00000001 # [ 175.324700] 5fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dc8000 00020000 0044fe38 # [ 175.333169] 5fe0: 00000004 bea317e8 b6e8e33b b6e07616 60080030 00000001 00000000 00000000 # [ 175.341625] Backtrace: # [ 175.344400] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 175.353651] r5:c5f37000 r4:00000029 # [ 175.357528] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 175.365842] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 175.374055] r9:c6bb5f60 r8:c5346300 r7:00000014 r6:b6dc8000 r5:c6a2a280 r4:c0c59104 # [ 175.382105] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 175.390230] r9:c07e2758 r8:c6bb5f60 r7:c290d000 r6:b6dc8000 r5:c6a2a280 r4:00000000 # [ 175.398271] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 175.405700] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c6bb4000 r5:c6a2a280 # [ 175.413813] r4:c6a2a280 # [ 175.416645] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 175.424075] r9:c6bb4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 # [ 175.432116] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 175.439969] Exception stack(0xc6bb5<6>[ 175.948047] lkdtm: Performing direct entry WRITE_KERN fa8 to 0xc6bb5ff0) # [ 175.4453<6>[ 175.953959] lkdtm: attempting bad 7814432 byte write at c13cd7b4 13] 5fa0: 00000<1>[ 175.963147] 8<--- cut here --- 014 00000014 00000001 b<16>d[c 8 175.969212] Unable to handle kernel paging request at virtual address c13cd7b4 00 00000014 00<010>0[0 0 11 7 5#.979034] pgd = 4f496262 [ 175.453783] 5fc0: 00000014 <01>[ 175.984000] [c13cd7b4] *pgd=1121940e(bad) 000014 7ff00000 000<000>0[0 4 105.990970] Internal error: Oops: 80d [#14] SMP ARM 0000001 b6dc8000 00020000 0044fe3<4>[ 175.998275] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 8 # [ 175.462245] 5fe0<:4 >0[0 176.033279] CPU: 3 PID: 2590 Comm: cat Tainted: G D W 5.10.216-cip47 #1 00004 bea317e8< 4b>6[e 8 e13736b.043706] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) b6e07616 # [ 175.467591] Code:<4>[ 176.052503] PC is at memcpy+0x50/0x330 e34a3bcd e3070f00 4[c 0 11a76.059280] LR is at 0xe92dd830 e0233002 (e<548>4[3 0 0107)6 . 064849] pc : [] lr : [] psr: 20080013 # [ 175.47<349>7[9 ] 1-7-6-.[0 3286] sp : c4583e2c ip : e1a0c00d fp : c4583e64 end trace 1<143>5[3 3 c11756b.1000592] r10: 0000000b r9 : c1ad711c r8 : e89da800 dcde ]--- # I[T E _1R7O6._087901] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 FTER_INI [m i s1s7i6n.g0 9'6596] r3 : e1a0c00d r2 : 00773c80 r1 : c0c59ab4 r0 : c13cd7b4 all trace:': <[4F>A[I L ]1 7 6n.o05124] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none t ok 40 selfs[t s :17 6l.k1d4428] Control: 10c5387d Table: 16b8c04a DAC: 00000051 tm: WRITE_RO_AFR[_ I N1I7T6.122258] Process cat (pid: 2590, stack limit = 0x0acdbf1c) sh # exit=1 <#0 >s[e l f1t7e6s.t30259] Stack: (0xc4583e2c to 0xc4584000) s: lkdtm: WRITE_KERN<.0s>h[ 176.136792] 3e20: c0c59a94 00773d20 c4583f60 c15ec020 c13cd7b4 <0>[ 176.147398] 3e40: c13cd7b4 c13cd998 0000002a c5f37000 0000000b c4583f60 c4583e74 c4583e68 <0>[ 176.155851] 3e60: c0c58d24 c13cd958 c4583e9c c4583e78 c0c59224 c0c58d04 c0c59104 c42dfcc0 <0>[ 176.164303] 3e80: b6e3c000 0000000b c5346300 c4583f60 c4583ec4 c4583ea0 c07e27bc c0c59110 <0>[ 176.172753] 3ea0: 00000000 c42dfcc0 b6e3c000 c290d000 c4583f60 c07e2758 c4583f5c c4583ec8 <0>[ 176.181205] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4582000 <0>[ 176.189655] 3ee0: b6e3c000 00020000 00000004 0000000b 0001fff5 c4583ee0 00000001 b6e3b000 <0>[ 176.198106] 3f00: c414e140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 176.206556] 3f20: 00000000 00000000 c13e2de0 d736f102 c206c220 c42dfcc0 c42dfcc0 c4582000 <0>[ 176.215006] 3f40: b6e3c000 00000000 00000000 00000004 c4583f94 c4583f60 c059c9b0 c059c304 <0>[ 176.223456] 3f60: 00000000 00000000 c4583fac d736f102 0000000b 0000000b 7ff00000 00000004 <0>[ 176.231905] 3f80: c03002e4 c4582000 c4583fa4 c4583f98 c059ca40 c059c948 00000000 c4583fa8 <0>[ 176.240355] 3fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e3c000 0000000b 00000001 <0>[ 176.248805] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e3c000 00020000 0046fe38 <0>[ 176.257254] 3fe0: 00000004 beb297e8 b6f0233b b6e7b616 60080030 00000001 00000000 00000000 <0>[ 176.265697] Backtrace: <0>[ 176.268439] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 176.276890] r7:c4583f60 r6:0000000b r5:c5f37000 r4:0000002a <0>[ 176.282828] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 176.291111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 176.299303] r9:c4583f60 r8:c5346300 r7:0000000b r6:b6e3c000 r5:c42dfcc0 r4:c0c59104 <0>[ 176.307329] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 176.315434] r9:c07e2758 r8:c4583f60 r7:c290d000 r6:b6e3c000 r5:c42dfcc0 r4:00000000 <0>[ 176.323454] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 176.330863] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c4582000 r5:c42dfcc0 <0>[ 176.338959] r4:c42dfcc0 <0>[ 176.341768] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 176.349178] r9:c4582000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 176.357199] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 176.365037] Exception stack(0xc4583fa8 to 0xc4583ff0) <0>[ 176.370362] 3fa0: 0000000b 0000000b 00000001 b6e3c000 0000000b 00000001 <0>[ 176.378814] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e3c000 00020000 0046fe38 <0>[ 176.387261] 3fe0: 00000004 beb297e8 b6f0233b b6e7b616 <0>[ 176.392588] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 176.398957] ---[ end trace 113533c15b10dcdf ]--- # Segmentation fault # [ 175.948047] lkdtm: Performing direct entry WRITE_KERN # [ 175.953959] lkdtm: attempting bad 7814432 byte write at c13cd7b4 # [ 175.963147] 8<--- cut here --- # [ 175.969212] Unable to handle kernel paging request at virtual address c13cd7b4 # [ 175.979034] pgd = 4f496262 # [ 175.984000] [c13cd7b4] *pgd=1121940e(bad) # [ 175.990970] Internal error: Oops: 80d [#14] SMP ARM # [ 175.998275] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 176.033279] CPU: 3 PID: 2590 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 176.043706] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 176.052503] PC is at memcpy+0x50/0x330 # [ 176.059280] LR is at 0xe92dd830 # [ 176.064849] pc : [] lr : [] psr: 20080013 # [ 176.073286] sp : c4583e2c ip : e1a0c00d fp : c4583e64 # [ 176.080592] r10: 0000000b r9 : c1ad711c r8 : e89da800 # [ 176.087901] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 176.096596] r3 : e1a0c00d r2 : 00773c80 r1 : c0c59ab4 r0 : c13cd7b4 # [ 176.105124] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 176.114428] Control: 10c5387d Table: 16b8c04a DAC: 00000051 # [ 176.122258] Process cat (pid: 2590, stack limit = 0x0acdbf1c) # [ 176.130259] Stack: (0xc4583e2c to 0xc4584000) # [ 176.136792] 3e20: c0c59a94 00773d20 c4583f60 c15ec020 c13cd7b4 # [ 176.147398] 3e40: c13cd7b4 c13cd998 0000002a c5f37000 0000000b c4583f60 c4583e74 c4583e68 # [ 176.155851] 3e60: c0c58d24 c13cd958 c4583e9c c4583e78 c0c59224 c0c58d04 c0c59104 c42dfcc0 # [ 176.164303] 3e80: b6e3c000 0000000b c5346300 c4583f60 c4583ec4 c4583ea0 c07e27bc c0c59110 # [ 176.172753] 3ea0: 00000000 c42dfcc0 b6e3c000 c290d000 c4583f60 c07e2758 c4583f5c c4583ec8 # [ 176.181205] 3ec0: c059c404 c07e2764 00000001 00000000 c059c9b0 c13e2de0 c059c9b0 c4582000 # [ 176.189655] 3ee0: b6e3c000 00020000 00000004 0000000b 0001fff5 c4583ee0 00000001 b6e3b000 # [ 176.198106] 3f00: c414e140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 176.206556] 3f20: 00000000 00000000 c13e2de0 d736f102 c206c220 c42dfcc0 c42dfcc0 c4582000 # [ 176.215006] 3f40: b6e3c000 00000000 00000000 00000004 c4583f94 c4583f60 c059c9b0 c059c304 # [ 176.223456] 3f60: 00000000 00000000 c4583fac d736f102 0000000b 0000000b 7ff00000 00000004 # [ 176.231905] 3f80: c03002e4 c4582000 c4583fa4 c4583f98 c059ca40 c059c948 00000000 c4583fa8 # [ 176.240355] 3fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e3c000 0000000b 00000001 # [ 176.248805] 3fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e3c000 00020000 0046fe38 # [ 176.257254] 3fe0: 00000004 beb297e8 b6f0233b b6e7b616 60080030 00000001 00000000 00000000 # [ 176.265697] Backtrace: # [ 176.268439] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 176.276890] r7:c4583f60 r6:0000000b r5:c5f37000 r4:0000002a # [ 176.282828] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 176.291111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 176.299303] r9:c4583f60 r8:c5346300 r7:0000000b r6:b6e3c000 r5:c42dfcc0 r4:c0c59104 # [ 176.307329] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 176.315434] r9:c07e2758 r8:c4583f60 r7:c290d000 r6:b6e3c000 r5:c42dfcc0 r4:00000000 # [ 176.323454] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 176.330863] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c4582000 r5:c42dfcc0 # [ 176.338959] r4:c42dfcc0 # [ 176.341768] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 176.34<6>[ 202.716584] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 9178] r9:c4582000 r8:c03002e4 r7<6>[ 202.724613] lkdtm: attempting good refcount_inc() without overflow :00000004 r6:7ff00000 r5:0000000b<6>[ 202.733929] lkdtm: attempting bad refcount_inc() overflow r4:0000000b # [ 176.357199] [<<4>[ 202.742410] ------------[ cut here ]------------ c059ca28>] (sys_write) from [[ 202.750129] WARNING: CPU: 1 PID: 2666 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 000c0>] (ret_fast_syscall+0x0/0x2<4>[ 202.761771] refcount_t: saturated; leaking memory. 8) # [ 176.365037] Exception st<4>[ 202.769586] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 ack(0xc4583fa8 to 0xc4583ff0) # <4>[ 202.804653] CPU: 1 PID: 2666 Comm: cat Tainted: G D W 5.10.216-cip47 #1 [ 176.370362] 30[: 2 02 815452] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000b <040>0[0 202.824235] Backtrace: 00b 00000001 b6e3c000 0000000b 00<4>[ 202.829389] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 000001 # [ 176.3788<144>][ 3 f02.840071] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 c0: 0000000b 0000000b 7ff00<040>0 202.848249] [] (show_stack) from [] (dump_stack+0xe0/0x100) 00000004 00000001 b6e3c000 000<2>[ 202.858337] [] (dump_stack) from [] (__warn+0x98/0x14c) 0000 0046fe38 # [ 1<746>.[3 8 702.868240] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 261] 3fe0: 00000004 beb29<74e>8[ 202.878501] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) b6f0233b b6e7b616 < 4#> [[ 2102.888668] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c432e000 6.392588] Code: f5d1f05c d[1 202.896761] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) f07c e8b151f8 e2522020 (a[0 202.908407] r9:c1ad7128 r8:c15ec020 r7:c432ff60 r6:00000016 r5:c6aa7000 r4:c432e000 1f8) # [ 176.398957] ---[ e[ 202.918843] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) trace 113533c15b10dcdf ]--- # <4>[ 202.931448] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) RITE_KERN: missing 'call tr<4a>c[ 202.944567] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) :': [FAIL] < 4n>o[t o2k0 24.19 6464] r4:0000002b selftests: lkdtm: WRI_[K E R02.961088] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) N.sh # exit=1 # selftests: l] (direct_entry) from [] (full_proxy_write+0x64/0x94) tm: REFCOUNT_INC_OVF[L O W2.2.982386] r9:c432ff60 r8:c5346300 r7:00000016 r6:b6df7000 r5:c428a000 r4:c0c59104 sh <4>[ 202.992565] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 203.000992] r9:c07e2758 r8:c432ff60 r7:c290d000 r6:b6df7000 r5:c428a000 r4:00000000 <4>[ 203.009011] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 203.016421] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c432e000 r5:c428a000 <4>[ 203.024517] r4:c428a000 <4>[ 203.027327] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 203.034736] r9:c432e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 203.042754] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 203.050594] Exception stack(0xc432ffa8 to 0xc432fff0) <4>[ 203.055920] ffa0: 00000016 00000016 00000001 b6df7000 00000016 00000001 <4>[ 203.064370] ffc0: 00000016 00000016 7ff00000 00000004 00000001 b6df7000 00020000 004cfe38 <4>[ 203.072816] ffe0: 00000004 bee337e8 b6ebd33b b6e36616 <4>[ 203.078214] irq event stamp: 0 <4>[ 203.081582] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 203.087438] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 203.095246] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 203.103060] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 203.108914] ---[ end trace 113533c15b10dce0 ]--- <6>[ 203.113844] lkdtm: Overflow detected: saturated # [ 202.716584] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 202.724613] lkdtm: attempting good refcount_inc() without overflow # [ 202.733929] lkdtm: attempting bad refcount_inc() overflow # [ 202.742410] ------------[ cut here ]------------ # [ 202.750129] WARNING: CPU: 1 PID: 2666 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 202.761771] refcount_t: saturated; leaking memory. # [ 202.769586] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 202.804653] CPU: 1 PID: 2666 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 202.815452] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 202.824235] Backtrace: # [ 202.829389] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 202.840071] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 202.848249] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 202.858337] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 202.868240] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 # [ 202.878501] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 202.888668] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c432e000 # [ 202.896761] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 202.908407] r9:c1ad7128 r8:c15ec020 r7:c432ff60 r6:00000016 r5:c6aa7000 r4:c432e000 # [ 202.918843] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 202.931448] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 202.944567] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 202.956464] r4:0000002b # [ 202.961088] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 202.971613] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 202.982386] r9:c432ff60 r8:c5346300 r7:00000016 r6:b6df7000 r5:c428a000 r4:c0c59104 # [ 202.992565] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 203.000992] r9:c07e2758 r8:c432ff60 r7:c290d000 r6:b6df7000 r5:c428a000 r4:00000000 # [ 203.009011] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 203.016421] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c432e000 r5:c428a000 # [ 203.024517] r4:c428a000 # [ 203.027327] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 203.034736] r9:c432e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 203.042754] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 203.050594] Exception stack(0xc432ffa8 to 0xc432fff0) # [ 203.055920] ffa0: 00000016 00000016 00000001 b6df7000 00000016 00000001 # [ 203.064370] ffc0: 00000016 00000016 7ff00000 00000004 00000001 b6df7000 00020000 004cfe38 # [ 203.072816] ffe0: 00000004 bee337e8 b6ebd33b b6e36616 # [ 203.078214] irq event stamp: 0 # [ 203.081582] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 203.087438] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 203.095246] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 203.103060] softirqs last disabled at (0): [<00000000>] 0x0 # [ 203.108914] ---[ end trace 113533c15b10dce0 ]--- # [ 203.113844] lkdtm: Overflow detected: sat<6>[ 203.539287] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW urated # REFCOUNT_INC_OVERFLOW: <6>[ 203.546397] lkdtm: attempting good refcount_add() without overflow missing 'call trace:': [FAIL] no<6>[ 203.555768] lkdtm: attempting bad refcount_add() overflow t ok 42 selftests: lkdtm: REFCOUN<4>[ 203.564284] ------------[ cut here ]------------ T_INC_OVERFLOW.sh # exit=1 # sel<4>[ 203.572062] WARNING: CPU: 2 PID: 2701 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 ftests: lkdtm: REFCOUNT_ADD_OVERF<4>[ 203.583518] refcount_t: saturated; leaking memory. LOW.sh <4>[ 203.591426] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 203.624263] CPU: 2 PID: 2701 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 203.632273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 203.639066] Backtrace: <4>[ 203.641796] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 203.649636] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 203.655569] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 203.663154] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 203.670388] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 <4>[ 203.678403] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 203.686154] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c6aa8000 <4>[ 203.692086] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 203.701314] r9:c1ad7140 r8:c15ec020 r7:c6aa9f60 r6:00000016 r5:c6aa7000 r4:c6aa8000 <4>[ 203.709332] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 203.719264] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 203.729624] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 203.739020] r4:0000002c <4>[ 203.741824] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 203.750104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 203.758291] r9:c6aa9f60 r8:c5346300 r7:00000016 r6:b6e45000 r5:c68b5b80 r4:c0c59104 <4>[ 203.766309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 203.774409] r9:c07e2758 r8:c6aa9f60 r7:c290d000 r6:b6e45000 r5:c68b5b80 r4:00000000 <4>[ 203.782423] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 203.789828] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6aa8000 r5:c68b5b80 <4>[ 203.797922] r4:c68b5b80 <4>[ 203.800727] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 203.808132] r9:c6aa8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 203.816148] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 203.823983] Exception stack(0xc6aa9fa8 to 0xc6aa9ff0) <4>[ 203.829305] 9fa0: 00000016 00000016 00000001 b6e45000 00000016 00000001 <4>[ 203.837754] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e45000 00020000 004cfe38 <4>[ 203.846201] 9fe0: 00000004 bec5d7e8 b6f0b33b b6e84616 <4>[ 203.851619] irq event stamp: 0 <4>[ 203.854969] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 203.860863] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 203.868622] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 203.876419] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 203.882294] ---[ end trace 113533c15b10dce1 ]--- <6>[ 203.887183] lkdtm: Overflow detected: saturated # [ 203.539287] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 203.546397] lkdtm: attempting good refcount_add() without overflow # [ 203.555768] lkdtm: attempting bad refcount_add() overflow # [ 203.564284] ------------[ cut here ]------------ # [ 203.572062] WARNING: CPU: 2 PID: 2701 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 203.583518] refcount_t: saturated; leaking memory. # [ 203.591426] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 203.624263] CPU: 2 PID: 2701 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 203.632273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 203.639066] Backtrace: # [ 203.641796] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 203.649636] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 203.655569] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 203.663154] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 203.670388] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 # [ 203.678403] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 203.686154] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c6aa8000 # [ 203.692086] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 203.701314] r9:c1ad7140 r8:c15ec020 r7:c6aa9f60 r6:00000016 r5:c6aa7000 r4:c6aa8000 # [ 203.709332] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 203.719264] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 203.729624] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 203.739020] r4:0000002c # [ 203.741824] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 203.750104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 203.758291] r9:c6aa9f60 r8:c5346300 r7:00000016 r6:b6e45000 r5:c68b5b80 r4:c0c59104 # [ 203.766309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 203.774409] r9:c07e2758 r8:c6aa9f60 r7:c290d000 r6:b6e45000 r5:c68b5b80 r4:00000000 # [ 203.782423] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 203.789828] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6aa8000 r5:c68b5b80 # [ 203.797922] r4:c68b5b80 # [ 203.800727] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 203.808132] r9:c6aa8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 203.816148] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 203.823983] Exception stack(0xc6aa9fa8 to 0xc6aa9ff0) # [ 203.829305] 9fa0: 00000016 00000016 00000001 b6e45000 00000016 00000001 # [ 203.837754] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e45000 00020000 004cfe38 # [ 203.846201] 9fe0: 00000004 bec5d7e8 b6f0b33b b6e84616 # [ 203.851619] irq event stamp: 0 # [ 203.854969] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 203.860863] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 203.868622] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 203.876419] softirqs last disabled at (0): [<00000000>] 0x0 # [ 203.882294] ---[ end trace 113533c15b10dce1 ]--- # [ 203.887183] lkdtm: Overflow detected: sa<6>[ 204.306972] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW turated # REFCOUNT_ADD_OVERFLOW:<6>[ 204.316810] lkdtm: attempting bad refcount_inc_not_zero() overflow missing 'call trace:': [FAIL] n<4>[ 204.326032] ------------[ cut here ]------------ ot ok 43 selftests: lkdtm: REFCOU<4>[ 204.333946] WARNING: CPU: 3 PID: 2736 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 NT_ADD_OVERFLOW.sh # exit=1 # se<4>[ 204.345314] refcount_t: saturated; leaking memory. lftests: lkdtm: REFCOUNT_INC_NOT_<4>[ 204.353246] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 ZERO_OVERFLOW.sh <4>[ 204.388238] CPU: 3 PID: 2736 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 204.397759] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 204.404553] Backtrace: <4>[ 204.407285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 204.415124] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 204.421056] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 204.428641] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 204.435872] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 <4>[ 204.443886] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 204.451636] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c6c62000 <4>[ 204.457570] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 204.466798] r9:c1ad7158 r8:c15ec020 r7:c6c63f60 r6:0000001f r5:c45fb000 r4:7fffffff <4>[ 204.474819] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 204.485525] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 204.497442] r5:c45fb000 r4:c6c62000 <4>[ 204.501294] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 204.511471] r4:0000002d <4>[ 204.514276] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 204.522556] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 204.530743] r9:c6c63f60 r8:c5346300 r7:0000001f r6:b6e68000 r5:c29c6f00 r4:c0c59104 <4>[ 204.538763] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 204.546861] r9:c07e2758 r8:c6c63f60 r7:c290d000 r6:b6e68000 r5:c29c6f00 r4:00000000 <4>[ 204.554875] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 204.562280] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6c62000 r5:c29c6f00 <4>[ 204.570374] r4:c29c6f00 <4>[ 204.573181] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 204.580586] r9:c6c62000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 204.588602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 204.596438] Exception stack(0xc6c63fa8 to 0xc6c63ff0) <4>[ 204.601760] 3fa0: 0000001f 0000001f 00000001 b6e68000 0000001f 00000001 <4>[ 204.610206] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e68000 00020000 0042fe38 <4>[ 204.618650] 3fe0: 00000004 be86b7e8 b6f2e33b b6ea7616 <4>[ 204.624028] irq event stamp: 0 <4>[ 204.627362] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 204.633238] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 204.641032] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 204.648797] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 204.654708] ---[ end trace 113533c15b10dce2 ]--- <6>[ 204.659607] lkdtm: Overflow detected: saturated # [ 204.306972] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 204.316810] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 204.326032] ------------[ cut here ]------------ # [ 204.333946] WARNING: CPU: 3 PID: 2736 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 204.345314] refcount_t: saturated; leaking memory. # [ 204.353246] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 204.388238] CPU: 3 PID: 2736 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 204.397759] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 204.404553] Backtrace: # [ 204.407285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 204.415124] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 204.421056] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 204.428641] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 204.435872] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 # [ 204.443886] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 204.451636] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c6c62000 # [ 204.457570] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 204.466798] r9:c1ad7158 r8:c15ec020 r7:c6c63f60 r6:0000001f r5:c45fb000 r4:7fffffff # [ 204.474819] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 204.485525] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 204.497442] r5:c45fb000 r4:c6c62000 # [ 204.501294] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 204.511471] r4:0000002d # [ 204.514276] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 204.522556] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 204.530743] r9:c6c63f60 r8:c5346300 r7:0000001f r6:b6e68000 r5:c29c6f00 r4:c0c59104 # [ 204.538763] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 204.546861] r9:c07e2758 r8:c6c63f60 r7:c290d000 r6:b6e68000 r5:c29c6f00 r4:00000000 # [ 204.554875] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 204.562280] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6c62000 r5:c29c6f00 # [ 204.570374] r4:c29c6f00 # [ 204.573181] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 204.580586] r9:c6c62000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 204.588602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 204.596438] Exception stack(0xc6c63fa8 to 0xc6c63ff0) # [ 204.601760] 3fa0: 0000001f 0000001f 00000001 b6e68000 0000001f 00000001 # [ 204.610206] 3fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e68000 00020000 0042fe38 # [ 204.618650] 3fe0: 00000004 be86b7e8 b6f2e33b b6ea7616 # [ 204.624028] irq event stamp: 0 # [ 204.627362] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 204.633238] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 204.641032] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 204.648797] softirqs last disabled at (0): [<00000000>] 0x0 # [ 204.654708] ---[ end trace 113533c15b10<6>[ 205.077063] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW dce2 ]--- # [ 204.659607] lkdtm<6>[ 205.086838] lkdtm: attempting bad refcount_add_not_zero() overflow : Overflow detected: saturated #<4>[ 205.096070] ------------[ cut here ]------------ REFCOUNT_INC_NOT_ZERO_OVERFLOW: <4>[ 205.104020] WARNING: CPU: 3 PID: 2771 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 missing 'call trace:': [FAIL] no<4>[ 205.115377] refcount_t: saturated; leaking memory. t ok 44 selftests: lkdtm: REFCOUN<4>[ 205.123296] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 T_INC_NOT_ZERO_OVERFLOW.sh # exit<4>[ 205.158286] CPU: 3 PID: 2771 Comm: cat Tainted: G D W 5.10.216-cip47 #1 =1 # selftes[: l2k0d5t.m169113] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) REFCOUNT_ADD_NOT_R[O _ O2V05.177807] Backtrace: RFLOW.sh <4>[ 205.182698] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 205.191386] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 205.197320] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 205.204904] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 205.212136] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 <4>[ 205.220152] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 205.227903] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c6b3c000 <4>[ 205.233834] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 205.243061] r9:c1ad7178 r8:c15ec020 r7:c6b3df60 r6:0000001f r5:c6ba4000 r4:7fffffff <4>[ 205.251080] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 205.261787] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 205.273705] r5:c6ba4000 r4:c6b3c000 <4>[ 205.277556] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 205.287736] r4:0000002e <4>[ 205.290539] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 205.298818] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 205.307005] r9:c6b3df60 r8:c5346300 r7:0000001f r6:b6e8b000 r5:c29c6780 r4:c0c59104 <4>[ 205.315027] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 205.323126] r9:c07e2758 r8:c6b3df60 r7:c290d000 r6:b6e8b000 r5:c29c6780 r4:00000000 <4>[ 205.331139] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 205.338545] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c6b3c000 r5:c29c6780 <4>[ 205.346639] r4:c29c6780 <4>[ 205.349444] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 205.356848] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 205.364863] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 205.372697] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) <4>[ 205.378020] dfa0: 0000001f 0000001f 00000001 b6e8b000 0000001f 00000001 <4>[ 205.386468] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e8b000 00020000 0050fe38 <4>[ 205.394911] dfe0: 00000004 be8277e8 b6f5133b b6eca616 <4>[ 205.400278] irq event stamp: 0 <4>[ 205.403612] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 205.409462] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 205.417270] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 205.425072] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 205.430952] ---[ end trace 113533c15b10dce3 ]--- <6>[ 205.435843] lkdtm: Overflow detected: saturated # [ 205.077063] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 205.086838] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 205.096070] ------------[ cut here ]------------ # [ 205.104020] WARNING: CPU: 3 PID: 2771 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 205.115377] refcount_t: saturated; leaking memory. # [ 205.123296] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 205.158286] CPU: 3 PID: 2771 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 205.169113] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 205.177807] Backtrace: # [ 205.182698] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 205.191386] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 205.197320] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 205.204904] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 205.212136] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 # [ 205.220152] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 205.227903] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c6b3c000 # [ 205.233834] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 205.243061] r9:c1ad7178 r8:c15ec020 r7:c6b3df60 r6:0000001f r5:c6ba4000 r4:7fffffff # [ 205.251080] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 205.261787] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 205.273705] r5:c6ba4000 r4:c6b3c000 # [ 205.277556] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 205.287736] r4:0000002e # [ 205.290539] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 205.298818] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 205.307005] r9:c6b3df60 r8:c5346300 r7:0000001f r6:b6e8b000 r5:c29c6780 r4:c0c59104 # [ 205.315027] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 205.323126] r9:c07e2758 r8:c6b3df60 r7:c290d000 r6:b6e8b000 r5:c29c6780 r4:00000000 # [ 205.331139] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 205.338545] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c6b3c000 r5:c29c6780 # [ 205.346639] r4:c29c6780 # [ 205.349444] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 205.356848] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 205.364863] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 205.372697] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) # [ 205.378020] dfa0: 0000001f 0000001f 00000001 b6e8b000 0000001f 00000001 # [ 205.386468] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e8b000 00020000 0050fe38 # [ 205.394911] dfe0: 00000004 be8277e8 b6f5133b b6eca616 # [ 205.400278] irq event stamp: 0 # [ 205.403612] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 205.409462] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 205.417270] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 205.425072] softirqs last disabled at (0): [<00000000>] 0x0 # [ 205.430952] ---[ end trace 113533c15b10dce3 ]---<6>[ 205.856264] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 205.435843] lkdtm: Overflo<6>[ 205.864256] lkdtm: attempting good refcount_dec() w detected: saturated # REFCOUNT<6>[ 205.871963] lkdtm: attempting bad refcount_dec() to zero _ADD_NOT_ZERO_OVERFLOW: missing '<4>[ 205.880394] ------------[ cut here ]------------ call trace:': [FAIL] not ok 45 s<4>[ 205.888149] WARNING: CPU: 3 PID: 2806 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 elftests: lkdtm: REFCOUNT_ADD_NOT<4>[ 205.899687] refcount_t: decrement hit 0; leaking memory. _ZERO_OVERFLOW.sh # exit=1 # sel<4>[ 205.908186] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 ftests: lkdtm: REFCOUNT_DEC_ZERO.<4>[ 205.943133] CPU: 3 PID: 2806 Comm: cat Tainted: G D W 5.10.216-cip47 #1 sh <4>[ 205.953953] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 205.961086] Backtrace: <4>[ 205.963818] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 205.971659] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 205.977591] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 205.985175] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 205.992407] r9:00000009 r8:c0875d3c r7:0000001f r6:00000009 r5:c0875d3c r4:c1a2b128 <4>[ 206.000422] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 206.008172] r7:0000001f r6:c1a2b128 r5:c1a2b18c r4:c6c76000 <4>[ 206.014104] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 206.023331] r9:c1ad7198 r8:c15ec020 r7:c6c77f60 r6:00000012 r5:c6ba4000 r4:c6c76000 <4>[ 206.031350] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 206.041276] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 206.051290] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 206.060340] r4:0000002f <4>[ 206.063143] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 206.071421] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 206.079607] r9:c6c77f60 r8:c5346300 r7:00000012 r6:b6e5d000 r5:c2fb9900 r4:c0c59104 <4>[ 206.087625] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 206.095725] r9:c07e2758 r8:c6c77f60 r7:c290d000 r6:b6e5d000 r5:c2fb9900 r4:00000000 <4>[ 206.103741] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 206.111144] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c6c76000 r5:c2fb9900 <4>[ 206.119239] r4:c2fb9900 <4>[ 206.122045] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 206.129450] r9:c6c76000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 206.137465] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 206.145301] Exception stack(0xc6c77fa8 to 0xc6c77ff0) <4>[ 206.150624] 7fa0: 00000012 00000012 00000001 b6e5d000 00000012 00000001 <4>[ 206.159071] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e5d000 00020000 004efe38 <4>[ 206.167514] 7fe0: 00000004 beb0a7e8 b6f2333b b6e9c616 <4>[ 206.172887] irq event stamp: 0 <4>[ 206.176222] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 206.182095] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 206.189858] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 206.197655] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 206.203548] ---[ end trace 113533c15b10dce4 ]--- <6>[ 206.208444] lkdtm: Zero detected: saturated # [ 205.856264] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 205.864256] lkdtm: attempting good refcount_dec() # [ 205.871963] lkdtm: attempting bad refcount_dec() to zero # [ 205.880394] ------------[ cut here ]------------ # [ 205.888149] WARNING: CPU: 3 PID: 2806 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 205.899687] refcount_t: decrement hit 0; leaking memory. # [ 205.908186] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 205.943133] CPU: 3 PID: 2806 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 205.953953] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 205.961086] Backtrace: # [ 205.963818] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 205.971659] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 205.977591] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 205.985175] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 205.992407] r9:00000009 r8:c0875d3c r7:0000001f r6:00000009 r5:c0875d3c r4:c1a2b128 # [ 206.000422] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 206.008172] r7:0000001f r6:c1a2b128 r5:c1a2b18c r4:c6c76000 # [ 206.014104] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 206.023331] r9:c1ad7198 r8:c15ec020 r7:c6c77f60 r6:00000012 r5:c6ba4000 r4:c6c76000 # [ 206.031350] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 206.041276] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 206.051290] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 206.060340] r4:0000002f # [ 206.063143] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 206.071421] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 206.079607] r9:c6c77f60 r8:c5346300 r7:00000012 r6:b6e5d000 r5:c2fb9900 r4:c0c59104 # [ 206.087625] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 206.095725] r9:c07e2758 r8:c6c77f60 r7:c290d000 r6:b6e5d000 r5:c2fb9900 r4:00000000 # [ 206.103741] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 206.111144] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c6c76000 r5:c2fb9900 # [ 206.119239] r4:c2fb9900 # [ 206.122045] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 206.129450] r9:c6c76000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 206.137465] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 206.145301] Exception stack(0xc6c77fa8 to 0xc6c77ff0) # [ 206.150624] 7fa0: 00000012 00000012 00000001 b6e5d000 00000012 00000001 # [ 206.159071] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e5d000 00020000 004efe38 # [ 206.167514] 7fe0: 00000004 beb0a7e8 b6f2333b b6e9c616 # [ 206.172887] irq event stamp: 0 # [ 206.176222] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 206.182095] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 206.189858] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 206.197655] softirqs last disabled at (0): [<00000000>] 0x0 # [ 206.203548] ---[ end trace 113533c15b10dce4 ]--- # [ 206.208444] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUN<6>[ 206.642671] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE T_DEC_NEGATIVE.sh <6>[ 206.650903] lkdtm: attempting bad refcount_dec() below zero <4>[ 206.658344] ------------[ cut here ]------------ <4>[ 206.663366] WARNING: CPU: 3 PID: 2844 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 206.672146] refcount_t: decrement hit 0; leaking memory. <4>[ 206.677730] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 206.710219] CPU: 3 PID: 2844 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 206.718231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 206.725024] Backtrace: <4>[ 206.727756] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 206.735596] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 206.741529] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 206.749113] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 206.756345] r9:00000009 r8:c0875d3c r7:0000001f r6:00000009 r5:c0875d3c r4:c1a2b128 <4>[ 206.764359] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 206.772109] r7:0000001f r6:c1a2b128 r5:c1a2b18c r4:c6c76000 <4>[ 206.778042] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 206.787271] r9:c1ad71ac r8:c15ec020 r7:c6c77f60 r6:00000016 r5:00000000 r4:c6c76000 <4>[ 206.795290] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 206.805218] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 206.815580] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 206.824977] r5:c6ba4000 r4:00000030 <4>[ 206.828823] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 206.837102] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 206.845290] r9:c6c77f60 r8:c5346300 r7:00000016 r6:b6e34000 r5:c42508c0 r4:c0c59104 <4>[ 206.853310] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 206.861409] r9:c07e2758 r8:c6c77f60 r7:c290d000 r6:b6e34000 r5:c42508c0 r4:00000000 <4>[ 206.869423] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 206.876827] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c6c76000 r5:c42508c0 <4>[ 206.884920] r4:c42508c0 <4>[ 206.887725] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 206.895130] r9:c6c76000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 206.903146] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 206.910982] Exception stack(0xc6c77fa8 to 0xc6c77ff0) <4>[ 206.916304] 7fa0: 00000016 00000016 00000001 b6e34000 00000016 00000001 <4>[ 206.924752] 7fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e34000 00020000 004ffe38 <4>[ 206.933196] 7fe0: 00000004 bea417e8 b6efa33b b6e73616 <4>[ 206.938574] irq event stamp: 0 <4>[ 206.941927] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 206.947778] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 206.955584] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 206.963376] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 206.969224] ---[ end trace 113533c15b10dce5 ]--- <6>[ 206.974142] lkdtm: Negative detected: saturated # [ 206.642671] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 206.650903] lkdtm: attempting bad refcount_dec() below zero # [ 206.658344] ------------[ cut here ]------------ # [ 206.663366] WARNING: CPU: 3 PID: 2844 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 206.672146] refcount_t: decrement hit 0; leaking memory. # [ 206.677730] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 206.710219] CPU: 3 PID: 2844 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 206.718231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 206.725024] Backtrace: # [ 206.727756] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 206.735596] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 206.741529] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 206.749113] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 206.756345] r9:00000009 r8:c0875d3c r7:0000001f r6:00000009 r5:c0875d3c r4:c1a2b128 # [ 206.764359] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 206.772109] r7:0000001f r6:c1a2b128 r5:c1a2b18c r4:c6c76000 # [ 206.778042] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 206.787271] r9:c1ad71ac r8:c15ec020 r7:c6c77f60 r6:00000016 r5:00000000 r4:c6c76000 # [ 206.795290] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 206.805218] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 206.815580] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 206.824977] r5:c6ba4000 r4:00000030 # [ 206.828823] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 206.837102] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 206.845290] r9:c6c77f60 r8:c5346300 r7:00000016 r6:b6e34000 r5:c42508c0 r4:c0c59104 # [ 206.853310] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 206.861409] r9:c07e2758 r8:c6c77f60 r7:c290d000 r6:b6e34000 r5:c42508c0 r4:00000000 # [ 206.869423] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 206.876827] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c6c76000 r5:c42508c0 # [ 206.884920] r4:c42508c0 # [ 206.887725] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 206.895130] r9:c6c76000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 206.903146] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 206.910982] Exception stack(0xc6c77fa8 to 0xc6c77ff0) # [ 206.916304] 7fa0: 00000016 00000016 00000001 b6e34000 00000016 00000001 # [ 206.924752] 7fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e34000 00020000 004ffe38 # [ 206.933196] 7fe0: 00000004 bea417e8 b6efa33b b6e73616 # [ 206.938574] irq event stamp: 0 # [ 206.941927] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 206.947778] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 206.955584] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 206.963376] softirqs last disabled at (0): [<00000000>] 0x0 # [ 206.969224] ---[ end trace 113533c15b10dce5 ]--- # [ 206.974142] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh <6>[ 207.410638] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 207.419228] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 207.425965] ------------[ cut here ]------------ <4>[ 207.430969] WARNING: CPU: 3 PID: 2880 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 207.439770] refcount_t: underflow; use-after-free. <4>[ 207.444929] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 207.477798] CPU: 3 PID: 2880 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 207.485812] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 207.492604] Backtrace: <4>[ 207.495334] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 207.503174] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 207.509106] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 207.516689] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 207.523921] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 <4>[ 207.531934] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 207.539685] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c432e000 <4>[ 207.545616] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 207.554930] r9:c1ad71c4 r8:c15ec020 r7:c432ff60 r6:0000001f r5:00000000 r4:c432e000 <4>[ 207.562946] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 207.573660] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 207.585584] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 207.595763] r5:c6ba4000 r4:00000031 <4>[ 207.599608] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 207.607887] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 207.616072] r9:c432ff60 r8:c5346300 r7:0000001f r6:b6e30000 r5:c4250500 r4:c0c59104 <4>[ 207.624091] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 207.632191] r9:c07e2758 r8:c432ff60 r7:c290d000 r6:b6e30000 r5:c4250500 r4:00000000 <4>[ 207.640204] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 207.647610] r10:00000004 r9:00000000 r8:00000000 r7:b6e30000 r6:c432e000 r5:c4250500 <4>[ 207.655705] r4:c4250500 <4>[ 207.658511] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 207.665916] r9:c432e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 207.673931] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 207.681767] Exception stack(0xc432ffa8 to 0xc432fff0) <4>[ 207.687090] ffa0: 0000001f 0000001f 00000001 b6e30000 0000001f 00000001 <4>[ 207.695537] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e30000 00020000 0049fe38 <4>[ 207.703980] ffe0: 00000004 bebbe7e8 b6ef633b b6e6f616 <4>[ 207.709352] irq event stamp: 0 <4>[ 207.712706] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 207.718559] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 207.726364] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 207.734166] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 207.740018] ---[ end trace 113533c15b10dce6 ]--- <6>[ 207.744945] lkdtm: Negative detected: saturated # [ 207.410638] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 207.419228] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 207.425965] ------------[ cut here ]------------ # [ 207.430969] WARNING: CPU: 3 PID: 2880 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 207.439770] refcount_t: underflow; use-after-free. # [ 207.444929] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 207.477798] CPU: 3 PID: 2880 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 207.485812] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 207.492604] Backtrace: # [ 207.495334] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 207.503174] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 207.509106] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 207.516689] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 207.523921] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 # [ 207.531934] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 207.539685] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c432e000 # [ 207.545616] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 207.554930] r9:c1ad71c4 r8:c15ec020 r7:c432ff60 r6:0000001f r5:00000000 r4:c432e000 # [ 207.562946] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 207.573660] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 207.585584] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 207.595763] r5:c6ba4000 r4:00000031 # [ 207.599608] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 207.607887] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 207.616072] r9:c432ff60 r8:c5346300 r7:0000001f r6:b6e30000 r5:c4250500 r4:c0c59104 # [ 207.624091] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 207.632191] r9:c07e2758 r8:c432ff60 r7:c290d000 r6:b6e30000 r5:c4250500 r4:00000000 # [ 207.640204] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 207.647610] r10:00000004 r9:00000000 r8:00000000 r7:b6e30000 r6:c432e000 r5:c4250500 # [ 207.655705] r4:c4250500 # [ 207.658511] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 207.665916] r9:c432e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 207.673931] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 207.681767] Exception stack(0xc432ffa8 to 0xc432fff0) # [ 207.687090] ffa0: 0000001f 0000001f 00000001 b6e30000 0000001f 00000001 # [ 207.695537] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e30000 00020000 0049fe38 # [ 207.703980] ffe0: 00000004 bebbe7e8 b6ef633b b6e6f616 # [ 207.709352] irq event stamp: 0 # [ 207.712706] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 207.718559] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 207.726364] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 207.734166] softirqs last disabled at (0): [<00000000>] 0x0 # [ 207.740018] ---[ end trace 113533c15b10dce6 ]--- # [ 207.744945] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TES<6>[ 208.182912] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE T_NEGATIVE.sh # selftests: lkdtm<6>[ 208.192484] lkdtm: attempting bad refcount_sub_and_test() below zero : REFCOUNT_SUB_AND_TEST_NEGATIVE.<4>[ 208.202050] ------------[ cut here ]------------ sh <4>[ 208.209678] WARNING: CPU: 3 PID: 2916 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 208.218832] refcount_t: underflow; use-after-free. <4>[ 208.223928] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 208.256408] CPU: 3 PID: 2916 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 208.264421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 208.271213] Backtrace: <4>[ 208.273945] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 208.281785] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 208.287718] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 208.295304] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 208.302536] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 <4>[ 208.310550] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 208.318299] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c6c6c000 <4>[ 208.324232] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 208.333548] r9:c1ad71e4 r8:c15ec020 r7:c6c6df60 r6:0000001f r5:c6ba4000 r4:c6c6c000 <4>[ 208.341566] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 208.352277] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 208.364200] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 208.374377] r4:00000032 <4>[ 208.377180] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 208.385458] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 208.393645] r9:c6c6df60 r8:c5346300 r7:0000001f r6:b6e4b000 r5:c4250280 r4:c0c59104 <4>[ 208.401666] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 208.409765] r9:c07e2758 r8:c6c6df60 r7:c290d000 r6:b6e4b000 r5:c4250280 r4:00000000 <4>[ 208.417780] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 208.425184] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6c6c000 r5:c4250280 <4>[ 208.433277] r4:c4250280 <4>[ 208.436083] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 208.443489] r9:c6c6c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 208.451503] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 208.459338] Exception stack(0xc6c6dfa8 to 0xc6c6dff0) <4>[ 208.464660] dfa0: 0000001f 0000001f 00000001 b6e4b000 0000001f 00000001 <4>[ 208.473107] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e4b000 00020000 004ffe38 <4>[ 208.481550] dfe0: 00000004 bed6e7e8 b6f1133b b6e8a616 <4>[ 208.486922] irq event stamp: 0 <4>[ 208.490277] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 208.496127] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 208.503938] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 208.511734] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 208.517581] ---[ end trace 113533c15b10dce7 ]--- <6>[ 208.522507] lkdtm: Negative detected: saturated # [ 208.182912] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 208.192484] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 208.202050] ------------[ cut here ]------------ # [ 208.209678] WARNING: CPU: 3 PID: 2916 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 208.218832] refcount_t: underflow; use-after-free. # [ 208.223928] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 208.256408] CPU: 3 PID: 2916 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 208.264421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 208.271213] Backtrace: # [ 208.273945] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 208.281785] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 208.287718] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 208.295304] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 208.302536] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 # [ 208.310550] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 208.318299] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c6c6c000 # [ 208.324232] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 208.333548] r9:c1ad71e4 r8:c15ec020 r7:c6c6df60 r6:0000001f r5:c6ba4000 r4:c6c6c000 # [ 208.341566] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 208.352277] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 208.364200] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 208.374377] r4:00000032 # [ 208.377180] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 208.385458] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 208.393645] r9:c6c6df60 r8:c5346300 r7:0000001f r6:b6e4b000 r5:c4250280 r4:c0c59104 # [ 208.401666] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 208.409765] r9:c07e2758 r8:c6c6df60 r7:c290d000 r6:b6e4b000 r5:c4250280 r4:00000000 # [ 208.417780] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 208.425184] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6c6c000 r5:c4250280 # [ 208.433277] r4:c4250280 # [ 208.436083] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 208.443489] r9:c6c6c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 208.451503] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 208.459338] Exception stack(0xc6c6dfa8 to 0xc6c6dff0) # [ 208.464660] dfa0: 0000001f 0000001f 00000001 b6e4b000 0000001f 00000001 # [ 208.473107] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e4b000 00020000 004ffe38 # [ 208.481550] dfe0: 00000004 bed6e7e8 b6f1133b b6e8a616 # [ 208.486922] irq event stamp: 0 # [ 208.490277] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 208.496127] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 208.503938] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 208.511734] softirqs last disabled at (0): [<00000000>] 0x0 # [ 208.517581] ---[ end trace 113533c15b10dce7 ]--- # [ 208.522507] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated<6>[ 208.956853] lkdtm: Performing direct entry REFCOUNT_INC_ZERO ': ok ok 49 selftests: lkdtm: RE<6>[ 208.965301] lkdtm: attempting safe refcount_inc_not_zero() from zero FCOUNT_SUB_AND_TEST_NEGATIVE.sh <6>[ 208.974882] lkdtm: Good: zero detected # selftests: lkdtm: REFCOUNT_INC_<6>[ 208.981658] lkdtm: Correctly stayed at zero ZERO.sh <6>[ 208.988900] lkdtm: attempting bad refcount_inc() from zero <4>[ 208.995471] ------------[ cut here ]------------ <4>[ 209.000409] WARNING: CPU: 2 PID: 2949 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 209.009204] refcount_t: addition on 0; use-after-free. <4>[ 209.014649] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 209.047153] CPU: 2 PID: 2949 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 209.055164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 209.061956] Backtrace: <4>[ 209.064688] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 209.072530] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 209.078461] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 209.086045] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 209.093277] r9:00000009 r8:c0875dd8 r7:00000019 r6:00000009 r5:c0875dd8 r4:c1a2b128 <4>[ 209.101291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 209.109042] r7:00000019 r6:c1a2b128 r5:c1a2b138 r4:c6c62000 <4>[ 209.114974] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 209.124289] r9:c1ad7204 r8:c15ec020 r7:c6c63f60 r6:00000012 r5:00000000 r4:c6c62000 <4>[ 209.132308] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 209.142238] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 209.152251] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 209.161302] r5:c6aac000 r4:00000033 <4>[ 209.165147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 209.173428] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 209.181613] r9:c6c63f60 r8:c5346300 r7:00000012 r6:b6e87000 r5:c42df680 r4:c0c59104 <4>[ 209.189630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 209.197731] r9:c07e2758 r8:c6c63f60 r7:c290d000 r6:b6e87000 r5:c42df680 r4:00000000 <4>[ 209.205745] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 209.213149] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c6c62000 r5:c42df680 <4>[ 209.221243] r4:c42df680 <4>[ 209.224048] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 209.231452] r9:c6c62000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 209.239467] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 209.247301] Exception stack(0xc6c63fa8 to 0xc6c63ff0) <4>[ 209.252623] 3fa0: 00000012 00000012 00000001 b6e87000 00000012 00000001 <4>[ 209.261069] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e87000 00020000 004cfe38 <4>[ 209.269513] 3fe0: 00000004 beb757e8 b6f4d33b b6ec6616 <4>[ 209.274870] irq event stamp: 0 <4>[ 209.278203] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 209.284084] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 209.291932] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 209.299708] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 209.305600] ---[ end trace 113533c15b10dce8 ]--- <6>[ 209.310528] lkdtm: Zero detected: saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 208.956853] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 208.965301] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 208.974882] lkdtm: Good: zero detected # [ 208.981658] lkdtm: Correctly stayed at zero # [ 208.988900] lkdtm: attempting bad refcount_inc() from zero # [ 208.995471] ------------[ cut here ]------------ # [ 209.000409] WARNING: CPU: 2 PID: 2949 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 209.009204] refcount_t: addition on 0; use-after-free. # [ 209.014649] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 209.047153] CPU: 2 PID: 2949 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 209.055164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 209.061956] Backtrace: # [ 209.064688] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 209.072530] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 209.078461] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 209.086045] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 209.093277] r9:00000009 r8:c0875dd8 r7:00000019 r6:00000009 r5:c0875dd8 r4:c1a2b128 # [ 209.101291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 209.109042] r7:00000019 r6:c1a2b128 r5:c1a2b138 r4:c6c62000 # [ 209.114974] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 209.124289] r9:c1ad7204 r8:c15ec020 r7:c6c63f60 r6:00000012 r5:00000000 r4:c6c62000 # [ 209.132308] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 209.142238] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 209.152251] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 209.161302] r5:c6aac000 r4:00000033 # [ 209.165147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 209.173428] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 209.181613] r9:c6c63f60 r8:c5346300 r7:00000012 r6:b6e87000 r5:c42df680 r4:c0c59104 # [ 209.189630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 209.197731] r9:c07e2758 r8:c6c63f60 r7:c290d000 r6:b6e87000 r5:c42df680 r4:00000000 # [ 209.205745] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 209.213149] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c6c62000 r5:c42df680 # [ 209.221243] r4:c42df680 # [ 209.224048] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 209.231452] r9:c6c62000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 209.239467] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 209.247301] Exception stack(0xc6c63fa8 to 0xc6c63ff0) # [ 209.252623] 3fa0: 00000012 00000012 00000001 b6e87000 00000012 00000001 # [ 209.261069] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e87000 00020000 004cfe38 # [ 209.269513] 3fe0: 00000004 beb757e8 b6f4d33b b6ec6616 # [ 209.274870] irq event stamp: 0 # [ 209.278203] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 209.284084] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 209.291932] softirqs last enabled at <6>[ 209.748316] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO (0): [] copy_process+0x<6>[ 209.756313] lkdtm: attempting safe refcount_add_not_zero() from zero 5f8/0x1dac # [ 209.299708] soft<6>[ 209.765767] lkdtm: Good: zero detected irqs last disabled at (0): [<0000<6>[ 209.772818] lkdtm: Correctly stayed at zero 0000>] 0x0 # [ 209.305600] ---[<6>[ 209.780041] lkdtm: attempting bad refcount_add() from zero end trace 113533c15b10dce8 ]--- <4>[ 209.788682] ------------[ cut here ]------------ # [ 209.310528] lkdtm: Zero det<4>[ 209.796533] WARNING: CPU: 0 PID: 2984 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 ected: saturated # REFCOUNT_INC_<4>[ 209.808112] refcount_t: addition on 0; use-after-free. ZERO: missing 'call trace:': [FAI<4>[ 209.816410] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 L] not ok 50 selftests: lkdtm: R<4>[ 209.851441] CPU: 0 PID: 2984 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 209.862265] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 209.869059] Backtrace: <4>[ 209.871792] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 209.879633] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 209.885565] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 209.893151] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 209.900382] r9:00000009 r8:c0875dd8 r7:00000019 r6:00000009 r5:c0875dd8 r4:c1a2b128 <4>[ 209.908397] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 209.916146] r7:00000019 r6:c1a2b128 r5:c1a2b138 r4:c6b3c000 <4>[ 209.922079] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 209.931393] r9:c1ad7218 r8:c15ec020 r7:c6b3df60 r6:00000012 r5:00000000 r4:c6b3c000 <4>[ 209.939412] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 209.949344] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 209.959355] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 209.968406] r5:c40ee000 r4:00000034 <4>[ 209.972251] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 209.980530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 209.988718] r9:c6b3df60 r8:c5346300 r7:00000012 r6:b6dd2000 r5:c4251180 r4:c0c59104 <4>[ 209.996738] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 210.004837] r9:c07e2758 r8:c6b3df60 r7:c290d000 r6:b6dd2000 r5:c4251180 r4:00000000 <4>[ 210.012852] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 210.020259] r10:00000004 r9:00000000 r8:00000000 r7:b6dd2000 r6:c6b3c000 r5:c4251180 <4>[ 210.028353] r4:c4251180 <4>[ 210.031158] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 210.038563] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 210.046577] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 210.054412] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) <4>[ 210.059736] dfa0: 00000012 00000012 00000001 b6dd2000 00000012 00000001 <4>[ 210.068183] dfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dd2000 00020000 0046fe38 <4>[ 210.076627] dfe0: 00000004 bef597e8 b6e9833b b6e11616 EFCOUNT_INC_ZERO.sh # exit=1 # s<4>[ 210.082006] irq event stamp: 0 elftests: lkdtm: REFCOUNT_ADD_ZER<4>[ 210.088194] hardirqs last enabled at (0): [<00000000>] 0x0 O.sh <4>[ 210.096915] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 210.105185] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 210.112972] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 210.118815] ---[ end trace 113533c15b10dce9 ]--- <6>[ 210.123726] lkdtm: Zero detected: saturated # [ 209.748316] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 209.756313] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 209.765767] lkdtm: Good: zero detected # [ 209.772818] lkdtm: Correctly stayed at zero # [ 209.780041] lkdtm: attempting bad refcount_add() from zero # [ 209.788682] ------------[ cut here ]------------ # [ 209.796533] WARNING: CPU: 0 PID: 2984 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 209.808112] refcount_t: addition on 0; use-after-free. # [ 209.816410] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 209.851441] CPU: 0 PID: 2984 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 209.862265] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 209.869059] Backtrace: # [ 209.871792] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 209.879633] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 209.885565] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 209.893151] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 209.900382] r9:00000009 r8:c0875dd8 r7:00000019 r6:00000009 r5:c0875dd8 r4:c1a2b128 # [ 209.908397] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 209.916146] r7:00000019 r6:c1a2b128 r5:c1a2b138 r4:c6b3c000 # [ 209.922079] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 209.931393] r9:c1ad7218 r8:c15ec020 r7:c6b3df60 r6:00000012 r5:00000000 r4:c6b3c000 # [ 209.939412] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 209.949344] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 209.959355] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 209.968406] r5:c40ee000 r4:00000034 # [ 209.972251] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 209.980530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 209.988718] r9:c6b3df60 r8:c5346300 r7:00000012 r6:b6dd2000 r5:c4251180 r4:c0c59104 # [ 209.996738] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 210.004837] r9:c07e2758 r8:c6b3df60 r7:c290d000 r6:b6dd2000 r5:c4251180 r4:00000000 # [ 210.012852] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 210.020259] r10:00000004 r9:00000000 r8:00000000 r7:b6dd2000 r6:c6b3c000 r5:c4251180 # [ 210.028353] r4:c4251180 # [ 210.031158] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 210.038563] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 210.046577] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 210.054412] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) # [ 210.059736] dfa0: 00000012 00000012 00000001 b6dd2000 00000012 00000001 # [ 210.068183] dfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dd2000 00020000 0046fe38 # [ 210.076627] dfe0: 00000004 bef597e8 b6e9833b b6e11616 # [ 210.082006] irq event stamp: 0 # [ 210.088194] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 210.096915] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 210.105185] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 210.112972] softirqs last disabled at (0): [<00000000>] 0x0 # [ 210.118815] ---[ end trace 113533c15b10dce9 ]--- # [ 210.123726] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51<6>[ 210.581836] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED selftests: lkdtm: REFCOUNT_ADD_Z<6>[ 210.590770] lkdtm: attempting bad refcount_inc() from saturated ERO.sh # exit=1 # selftests: lkd<4>[ 210.599746] ------------[ cut here ]------------ tm: REFCOUNT_INC_SATURATED.sh <4>[ 210.608323] WARNING: CPU: 0 PID: 3022 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 210.619004] refcount_t: saturated; leaking memory. <4>[ 210.624111] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 210.656588] CPU: 0 PID: 3022 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 210.664600] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 210.671394] Backtrace: <4>[ 210.674125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 210.681965] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 210.687898] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 210.695483] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 210.702715] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 <4>[ 210.710729] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 210.718482] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c6ae6000 <4>[ 210.724415] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 210.733644] r9:c1ad722c r8:c15ec020 r7:c6ae7f60 r6:00000017 r5:c45f8000 r4:c6ae6000 <4>[ 210.741664] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 210.751596] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 210.762045] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 210.771529] r4:00000035 <4>[ 210.774334] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 210.782615] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 210.790803] r9:c6ae7f60 r8:c5346300 r7:00000017 r6:b6dc4000 r5:c428a3c0 r4:c0c59104 <4>[ 210.798823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 210.806924] r9:c07e2758 r8:c6ae7f60 r7:c290d000 r6:b6dc4000 r5:c428a3c0 r4:00000000 <4>[ 210.814940] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 210.822346] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c6ae6000 r5:c428a3c0 <4>[ 210.830440] r4:c428a3c0 <4>[ 210.833246] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 210.840654] r9:c6ae6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 210.848669] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 210.856504] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0) <4>[ 210.861827] 7fa0: 00000017 00000017 00000001 b6dc4000 00000017 00000001 <4>[ 210.870274] 7fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dc4000 00020000 0045fe38 <4>[ 210.878718] 7fe0: 00000004 beb587e8 b6e8a33b b6e03616 <4>[ 210.884062] irq event stamp: 0 <4>[ 210.887396] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 210.893269] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 210.901048] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 210.908803] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 210.914667] ---[ end trace 113533c15b10dcea ]--- <6>[ 210.919557] lkdtm: Saturation detected: still saturated # [ 210.581836] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 210.590770] lkdtm: attempting bad refcount_inc() from saturated # [ 210.599746] ------------[ cut here ]------------ # [ 210.608323] WARNING: CPU: 0 PID: 3022 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 210.619004] refcount_t: saturated; leaking memory. # [ 210.624111] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 210.656588] CPU: 0 PID: 3022 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 210.664600] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 210.671394] Backtrace: # [ 210.674125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 210.681965] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 210.687898] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 210.695483] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 210.702715] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 # [ 210.710729] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 210.718482] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c6ae6000 # [ 210.724415] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 210.733644] r9:c1ad722c r8:c15ec020 r7:c6ae7f60 r6:00000017 r5:c45f8000 r4:c6ae6000 # [ 210.741664] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 210.751596] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 210.762045] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 210.771529] r4:00000035 # [ 210.774334] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 210.782615] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 210.790803] r9:c6ae7f60 r8:c5346300 r7:00000017 r6:b6dc4000 r5:c428a3c0 r4:c0c59104 # [ 210.798823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 210.806924] r9:c07e2758 r8:c6ae7f60 r7:c290d000 r6:b6dc4000 r5:c428a3c0 r4:00000000 # [ 210.814940] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 210.822346] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c6ae6000 r5:c428a3c0 # [ 210.830440] r4:c428a3c0 # [ 210.833246] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 210.840654] r9:c6ae6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 210.848669] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 210.856504] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0) # [ 210.861827] 7fa0: 00000017 00000017 00000001 b6dc4000 00000017 00000001 # [ 210.870274] 7fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dc4000 00020000 0045fe38 # [ 210.878718] 7fe0: 00000004 beb587e8 b6e8a33b b6e03616 # [ 210.884062] irq event stamp: 0 # [ 210.887396] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 210.893269] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 210.901048] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 210.908803] softirqs last disabled at (0): [<00000000>] 0x0 # [ 210.914667] ---[ end trace 113533c15b10dcea ]--- # [ 210.919557] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh <6>[ 211.394205] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 211.400802] lkdtm: attempting bad refcount_dec() from saturated <4>[ 211.407028] ------------[ cut here ]------------ <4>[ 211.411980] WARNING: CPU: 3 PID: 3058 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 211.420738] refcount_t: decrement hit 0; leaking memory. <4>[ 211.426327] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 211.458893] CPU: 3 PID: 3058 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 211.466909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 211.473706] Backtrace: <4>[ 211.476445] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 211.484288] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 211.490226] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 211.497817] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 211.505054] r9:00000009 r8:c0875d3c r7:0000001f r6:00000009 r5:c0875d3c r4:c1a2b128 <4>[ 211.513074] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 211.520828] r7:0000001f r6:c1a2b128 r5:c1a2b18c r4:c4330000 <4>[ 211.526766] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 211.535998] r9:c1ad7244 r8:c15ec020 r7:c4331f60 r6:00000017 r5:c5f37000 r4:c4330000 <4>[ 211.544021] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 211.553954] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 211.564409] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 211.573896] r4:00000036 <4>[ 211.576703] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 211.584987] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 211.593178] r9:c4331f60 r8:c5346300 r7:00000017 r6:b6e86000 r5:c6a2b2c0 r4:c0c59104 <4>[ 211.601203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 211.609308] r9:c07e2758 r8:c4331f60 r7:c290d000 r6:b6e86000 r5:c6a2b2c0 r4:00000000 <4>[ 211.617326] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 211.624737] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c4330000 r5:c6a2b2c0 <4>[ 211.632834] r4:c6a2b2c0 <4>[ 211.635643] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 211.643052] r9:c4330000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 211.651073] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 211.658912] Exception stack(0xc4331fa8 to 0xc4331ff0) <4>[ 211.664238] 1fa0: 00000017 00000017 00000001 b6e86000 00000017 00000001 <4>[ 211.672690] 1fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e86000 00020000 004efe38 <4>[ 211.681138] 1fe0: 00000004 be8057e8 b6f4c33b b6ec5616 <4>[ 211.686525] irq event stamp: 0 <4>[ 211.689864] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 211.695750] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 211.703560] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 211.711377] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 211.717231] ---[ end trace 113533c15b10dceb ]--- <6>[ 211.722174] lkdtm: Saturation detected: still saturated # [ 211.394205] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 211.400802] lkdtm: attempting bad refcount_dec() from saturated # [ 211.407028] ------------[ cut here ]------------ # [ 211.411980] WARNING: CPU: 3 PID: 3058 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 211.420738] refcount_t: decrement hit 0; leaking memory. # [ 211.426327] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 211.458893] CPU: 3 PID: 3058 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 211.466909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 211.473706] Backtrace: # [ 211.476445] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 211.484288] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 211.490226] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 211.497817] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 211.505054] r9:00000009 r8:c0875d3c r7:0000001f r6:00000009 r5:c0875d3c r4:c1a2b128 # [ 211.513074] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 211.520828] r7:0000001f r6:c1a2b128 r5:c1a2b18c r4:c4330000 # [ 211.526766] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 211.535998] r9:c1ad7244 r8:c15ec020 r7:c4331f60 r6:00000017 r5:c5f37000 r4:c4330000 # [ 211.544021] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 211.553954] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 211.564409] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 211.573896] r4:00000036 # [ 211.576703] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 211.584987] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 211.593178] r9:c4331f60 r8:c5346300 r7:00000017 r6:b6e86000 r5:c6a2b2c0 r4:c0c59104 # [ 211.601203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 211.609308] r9:c07e2758 r8:c4331f60 r7:c290d000 r6:b6e86000 r5:c6a2b2c0 r4:00000000 # [ 211.617326] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 211.624737] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c4330000 r5:c6a2b2c0 # [ 211.632834] r4:c6a2b2c0 # [ 211.635643] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 211.643052] r9:c4330000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 211.651073] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 211.658912] Exception stack(0xc4331fa8 to 0xc4331ff0) # [ 211.664238] 1fa0: 00000017 00000017 00000001 b6e86000 00000017 00000001 # [ 211.672690] 1fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e86000 00020000 004efe38 # [ 211.681138] 1fe0: 00000004 be8057e8 b6f4c33b b6ec5616 # [ 211.686525] irq event stamp: 0 # [ 211.689864] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 211.695750] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 211.703560] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 211.711377] softirqs last disabled at (0): [<00000000>] 0x0 # [ 211.717231] ---[ end trace 113533c15b10dceb ]--- # [ 211.722174] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh <6>[ 212.183519] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 212.189900] lkdtm: attempting bad refcount_dec() from saturated <4>[ 212.196152] ------------[ cut here ]------------ <4>[ 212.201176] WARNING: CPU: 3 PID: 3094 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 212.209915] refcount_t: saturated; leaking memory. <4>[ 212.215022] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 212.247479] CPU: 3 PID: 3094 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 212.255490] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 212.262282] Backtrace: <4>[ 212.265016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 212.272857] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 212.278790] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 212.286375] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 212.293607] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 <4>[ 212.301623] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 212.309375] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c5f92000 <4>[ 212.315308] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 212.324536] r9:c1ad725c r8:c15ec020 r7:c5f93f60 r6:00000017 r5:c6b54000 r4:c5f92000 <4>[ 212.332555] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 212.342486] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 212.352932] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 212.362417] r4:00000037 <4>[ 212.365223] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 212.373503] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 212.381690] r9:c5f93f60 r8:c5346300 r7:00000017 r6:b6e10000 r5:c427cb40 r4:c0c59104 <4>[ 212.389710] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 212.397810] r9:c07e2758 r8:c5f93f60 r7:c290d000 r6:b6e10000 r5:c427cb40 r4:00000000 <4>[ 212.405824] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 212.413230] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c5f92000 r5:c427cb40 <4>[ 212.421323] r4:c427cb40 <4>[ 212.424129] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 212.431534] r9:c5f92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 212.439552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 212.447386] Exception stack(0xc5f93fa8 to 0xc5f93ff0) <4>[ 212.452708] 3fa0: 00000017 00000017 00000001 b6e10000 00000017 00000001 <4>[ 212.461157] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e10000 00020000 0047fe38 <4>[ 212.469602] 3fe0: 00000004 bed6a7e8 b6ed633b b6e4f616 <4>[ 212.474979] irq event stamp: 0 <4>[ 212.478347] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 212.484246] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 212.492033] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 212.499796] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 212.505685] ---[ end trace 113533c15b10dcec ]--- <6>[ 212.510607] lkdtm: Saturation detected: still saturated # [ 212.183519] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 212.189900] lkdtm: attempting bad refcount_dec() from saturated # [ 212.196152] ------------[ cut here ]------------ # [ 212.201176] WARNING: CPU: 3 PID: 3094 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 212.209915] refcount_t: saturated; leaking memory. # [ 212.215022] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 212.247479] CPU: 3 PID: 3094 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 212.255490] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 212.262282] Backtrace: # [ 212.265016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 212.272857] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 212.278790] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 212.286375] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 212.293607] r9:00000009 r8:c0875da4 r7:00000016 r6:00000009 r5:c0875da4 r4:c1a2b128 # [ 212.301623] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 212.309375] r7:00000016 r6:c1a2b128 r5:c1a2b100 r4:c5f92000 # [ 212.315308] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 212.324536] r9:c1ad725c r8:c15ec020 r7:c5f93f60 r6:00000017 r5:c6b54000 r4:c5f92000 # [ 212.332555] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 212.342486] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 212.352932] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 212.362417] r4:00000037 # [ 212.365223] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 212.373503] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 212.381690] r9:c5f93f60 r8:c5346300 r7:00000017 r6:b6e10000 r5:c427cb40 r4:c0c59104 # [ 212.389710] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 212.397810] r9:c07e2758 r8:c5f93f60 r7:c290d000 r6:b6e10000 r5:c427cb40 r4:00000000 # [ 212.405824] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 212.413230] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c5f92000 r5:c427cb40 # [ 212.421323] r4:c427cb40 # [ 212.424129] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 212.431534] r9:c5f92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 212.439552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 212.447386] Exception stack(0xc5f93fa8 to 0xc5f93ff0) # [ 212.452708] 3fa0: 00000017 00000017 00000001 b6e10000 00000017 00000001 # [ 212.461157] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e10000 00020000 0047fe38 # [ 212.469602] 3fe0: 00000004 bed6a7e8 b6ed633b b6e4f616 # [ 212.474979] irq event stamp: 0 # [ 212.478347] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 212.484246] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 212.492033] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 212.499796] softirqs last disabled at (0): [<00000000>] 0x0 # [ 212.505685] ---[ end trace 113533c15b10dcec ]--- # [ 212.510607] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Satur<6>[ 212.942861] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ation detected: still saturated':<6>[ 212.951000] lkdtm: attempting bad refcount_inc_not_zero() from saturated ok ok 54 selftests: lkdtm: REFC<4>[ 212.960905] ------------[ cut here ]------------ OUNT_ADD_SATURATED.sh # selftest<4>[ 212.968641] WARNING: CPU: 0 PID: 3127 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 s: lkdtm: REFCOUNT_INC_NOT_ZERO_S<4>[ 212.980304] refcount_t: saturated; leaking memory. ATURATED.sh <4>[ 212.988116] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 213.021406] CPU: 0 PID: 3127 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 213.029419] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 213.036212] Backtrace: <4>[ 213.038946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 213.046788] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 213.052722] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 213.060307] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 213.067539] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 <4>[ 213.075554] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 213.083307] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c432e000 <4>[ 213.089238] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 213.098468] r9:c1ad7274 r8:c15ec020 r7:c432ff60 r6:00000020 r5:c6af4000 r4:c0000000 <4>[ 213.106488] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 213.117198] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 213.129202] r5:c6af4000 r4:c432e000 <4>[ 213.133053] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 213.143318] r4:00000038 <4>[ 213.146121] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 213.154402] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 213.162588] r9:c432ff60 r8:c5346300 r7:00000020 r6:b6e94000 r5:c4108500 r4:c0c59104 <4>[ 213.170607] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 213.178708] r9:c07e2758 r8:c432ff60 r7:c290d000 r6:b6e94000 r5:c4108500 r4:00000000 <4>[ 213.186721] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 213.194126] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c432e000 r5:c4108500 <4>[ 213.202220] r4:c4108500 <4>[ 213.205026] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 213.212433] r9:c432e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 213.220448] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 213.228283] Exception stack(0xc432ffa8 to 0xc432fff0) <4>[ 213.233607] ffa0: 00000020 00000020 00000001 b6e94000 00000020 00000001 <4>[ 213.242054] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6e94000 00020000 0045fe38 <4>[ 213.250499] ffe0: 00000004 bed6f7e8 b6f5a33b b6ed3616 <4>[ 213.255850] irq event stamp: 0 <4>[ 213.259182] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 213.265057] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 213.272856] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 213.280643] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 213.286490] ---[ end trace 113533c15b10dced ]--- <6>[ 213.291401] lkdtm: Saturation detected: still saturated # [ 212.942861] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 212.951000] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 212.960905] ------------[ cut here ]------------ # [ 212.968641] WARNING: CPU: 0 PID: 3127 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 212.980304] refcount_t: saturated; leaking memory. # [ 212.988116] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 213.021406] CPU: 0 PID: 3127 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 213.029419] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 213.036212] Backtrace: # [ 213.038946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 213.046788] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 213.052722] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 213.060307] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 213.067539] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 # [ 213.075554] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 213.083307] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c432e000 # [ 213.089238] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 213.098468] r9:c1ad7274 r8:c15ec020 r7:c432ff60 r6:00000020 r5:c6af4000 r4:c0000000 # [ 213.106488] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 213.117198] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 213.129202] r5:c6af4000 r4:c432e000 # [ 213.133053] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 213.143318] r4:00000038 # [ 213.146121] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 213.154402] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 213.162588] r9:c432ff60 r8:c5346300 r7:00000020 r6:b6e94000 r5:c4108500 r4:c0c59104 # [ 213.170607] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 213.178708] r9:c07e2758 r8:c432ff60 r7:c290d000 r6:b6e94000 r5:c4108500 r4:00000000 # [ 213.186721] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 213.194126] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c432e000 r5:c4108500 # [ 213.202220] r4:c4108500 # [ 213.205026] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 213.212433] r9:c432e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 213.220448] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 213.228283] Exception stack(0xc432ffa8 to 0xc432fff0) # [ 213.233607] ffa0: 00000020 00000020 00000001 b6e94000 00000020 00000001 # [ 213.242054] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6e94000 00020000 0045fe38 # [ 213.250499] ffe0: 00000004 bed6f7e8 b6f5a33b b6ed3616 # [ 213.255850] irq event stamp: 0 # [ 213.259182] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 213.265057] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 213.272856] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 213.280643] softirqs last disabled at (0): [<00000000>] 0x0 # [ 213.286490] ---[ end trace 113533c15b10dced ]--- # [ 213.291401] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 213.759080] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 213.767269] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 213.774275] ------------[ cut here ]------------ <4>[ 213.779181] WARNING: CPU: 0 PID: 3162 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 213.787930] refcount_t: saturated; leaking memory. <4>[ 213.793021] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 213.825576] CPU: 0 PID: 3162 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 213.833599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 213.840393] Backtrace: <4>[ 213.843126] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 213.850965] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 213.856897] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 213.864481] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 213.871714] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 <4>[ 213.879728] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 213.887479] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c6a7c000 <4>[ 213.893412] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 213.902640] r9:c1ad7294 r8:c15ec020 r7:c6a7df60 r6:00000020 r5:c45f9000 r4:c0000000 <4>[ 213.910661] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 213.921371] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 213.933375] r5:c45f9000 r4:c6a7c000 <4>[ 213.937228] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 213.947494] r4:00000039 <4>[ 213.950298] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 213.958578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 213.966764] r9:c6a7df60 r8:c5346300 r7:00000020 r6:b6e9b000 r5:c4108c80 r4:c0c59104 <4>[ 213.974784] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 213.982887] r9:c07e2758 r8:c6a7df60 r7:c290d000 r6:b6e9b000 r5:c4108c80 r4:00000000 <4>[ 213.990902] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 213.998307] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c6a7c000 r5:c4108c80 <4>[ 214.006402] r4:c4108c80 <4>[ 214.009207] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 214.016611] r9:c6a7c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 214.024626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 214.032461] Exception stack(0xc6a7dfa8 to 0xc6a7dff0) <4>[ 214.037785] dfa0: 00000020 00000020 00000001 b6e9b000 00000020 00000001 <4>[ 214.046232] dfc0: 00000020 00000020 7ff00000 00000004 00000001 b6e9b000 00020000 004dfe38 <4>[ 214.054676] dfe0: 00000004 beeb67e8 b6f6133b b6eda616 <4>[ 214.060027] irq event stamp: 0 <4>[ 214.063382] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 214.069234] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 214.077033] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 214.084830] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 214.090700] ---[ end trace 113533c15b10dcee ]--- <6>[ 214.095592] lkdtm: Saturation detected: still saturated # [ 213.759080] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 213.767269] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 213.774275] ------------[ cut here ]------------ # [ 213.779181] WARNING: CPU: 0 PID: 3162 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 213.787930] refcount_t: saturated; leaking memory. # [ 213.793021] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 213.825576] CPU: 0 PID: 3162 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 213.833599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 213.840393] Backtrace: # [ 213.843126] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 213.850965] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 213.856897] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 213.864481] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 213.871714] r9:00000009 r8:c0875d70 r7:00000013 r6:00000009 r5:c0875d70 r4:c1a2b128 # [ 213.879728] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 213.887479] r7:00000013 r6:c1a2b128 r5:c1a2b100 r4:c6a7c000 # [ 213.893412] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 213.902640] r9:c1ad7294 r8:c15ec020 r7:c6a7df60 r6:00000020 r5:c45f9000 r4:c0000000 # [ 213.910661] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 213.921371] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 213.933375] r5:c45f9000 r4:c6a7c000 # [ 213.937228] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 213.947494] r4:00000039 # [ 213.950298] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 213.958578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 213.966764] r9:c6a7df60 r8:c5346300 r7:00000020 r6:b6e9b000 r5:c4108c80 r4:c0c59104 # [ 213.974784] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 213.982887] r9:c07e2758 r8:c6a7df60 r7:c290d000 r6:b6e9b000 r5:c4108c80 r4:00000000 # [ 213.990902] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 213.998307] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c6a7c000 r5:c4108c80 # [ 214.006402] r4:c4108c80 # [ 214.009207] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 214.016611] r9:c6a7c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 214.024626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 214.032461] Exception stack(0xc6a7dfa8 to 0xc6a7dff0) # [ 214.037785] dfa0: 00000020 00000020 00000001 b6e9b000 00000020 00000001 # [ 214.046232] dfc0: 00000020 00000020 7ff00000 00000004 00000001 b6e9b000 00020000 004dfe38 # [ 214.054676] dfe0: 00000004 beeb67e8 b6f6133b b6eda616 # [ 214.060027] irq event stamp: 0 # [ 214.063382] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 214.069234] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 214.077033] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 214.084830] softirqs last disabled at (0): [<00000000>] 0x0 # [ 214.090700] ---[ end trace 113533c15b10dcee ]--- # [ 214.095592] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 214.571702] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 214.578860] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 214.585960] ------------[ cut here ]------------ <4>[ 214.591004] WARNING: CPU: 2 PID: 3200 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 214.599862] refcount_t: underflow; use-after-free. <4>[ 214.605078] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 214.637849] CPU: 2 PID: 3200 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 214.645861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 214.652656] Backtrace: <4>[ 214.655389] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 214.663228] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 214.669160] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 214.676743] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 214.683976] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 <4>[ 214.691990] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 214.699742] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c6ae6000 <4>[ 214.705675] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 214.714992] r9:c1ad72b4 r8:c15ec020 r7:c6ae7f60 r6:00000020 r5:c5c92000 r4:c6ae6000 <4>[ 214.723011] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 214.733724] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 214.745737] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 214.756004] r4:0000003a <4>[ 214.758809] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 214.767089] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 214.775276] r9:c6ae7f60 r8:c5346300 r7:00000020 r6:b6e2b000 r5:c2fb9e00 r4:c0c59104 <4>[ 214.783296] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 214.791398] r9:c07e2758 r8:c6ae7f60 r7:c290d000 r6:b6e2b000 r5:c2fb9e00 r4:00000000 <4>[ 214.799412] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 214.806817] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6ae6000 r5:c2fb9e00 <4>[ 214.814910] r4:c2fb9e00 <4>[ 214.817716] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 214.825122] r9:c6ae6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 214.833138] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 214.840973] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0) <4>[ 214.846297] 7fa0: 00000020 00000020 00000001 b6e2b000 00000020 00000001 <4>[ 214.854743] 7fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e2b000 00020000 004dfe38 <4>[ 214.863190] 7fe0: 00000004 bee467e8 b6ef133b b6e6a616 <4>[ 214.868577] irq event stamp: 0 <4>[ 214.871937] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 214.877791] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 214.885585] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 214.893372] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 214.899216] ---[ end trace 113533c15b10dcef ]--- <6>[ 214.904132] lkdtm: Saturation detected: still saturated # [ 214.571702] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 214.578860] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 214.585960] ------------[ cut here ]------------ # [ 214.591004] WARNING: CPU: 2 PID: 3200 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 214.599862] refcount_t: underflow; use-after-free. # [ 214.605078] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 214.637849] CPU: 2 PID: 3200 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 214.645861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 214.652656] Backtrace: # [ 214.655389] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 214.663228] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 214.669160] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 214.676743] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 214.683976] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 # [ 214.691990] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 214.699742] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c6ae6000 # [ 214.705675] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 214.714992] r9:c1ad72b4 r8:c15ec020 r7:c6ae7f60 r6:00000020 r5:c5c92000 r4:c6ae6000 # [ 214.723011] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 214.733724] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 214.745737] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 214.756004] r4:0000003a # [ 214.758809] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 214.767089] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 214.775276] r9:c6ae7f60 r8:c5346300 r7:00000020 r6:b6e2b000 r5:c2fb9e00 r4:c0c59104 # [ 214.783296] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 214.791398] r9:c07e2758 r8:c6ae7f60 r7:c290d000 r6:b6e2b000 r5:c2fb9e00 r4:00000000 # [ 214.799412] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 214.806817] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6ae6000 r5:c2fb9e00 # [ 214.814910] r4:c2fb9e00 # [ 214.817716] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 214.825122] r9:c6ae6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 214.833138] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 214.840973] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0) # [ 214.846297] 7fa0: 00000020 00000020 00000001 b6e2b000 00000020 00000001 # [ 214.854743] 7fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e2b000 00020000 004dfe38 # [ 214.863190] 7fe0: 00000004 bee467e8 b6ef133b b6e6a616 # [ 214.868577] irq event stamp: 0 # [ 214.871937] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 214.877791] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 214.885585] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 214.893372] softirqs last disabled at (0): [<00000000>] 0x0 # [ 214.899216] ---[ end trace 113533c15b10dcef ]--- # [ 214.904132] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 215.373188] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 215.380401] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 215.387376] ------------[ cut here ]------------ <4>[ 215.392325] WARNING: CPU: 1 PID: 3236 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 215.401160] refcount_t: underflow; use-after-free. <4>[ 215.406224] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 <4>[ 215.438778] CPU: 1 PID: 3236 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 215.446800] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 215.453593] Backtrace: <4>[ 215.456325] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 215.464164] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 215.470099] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 215.477684] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 215.484917] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 <4>[ 215.492933] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 215.500684] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c6c70000 <4>[ 215.506616] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 215.515933] r9:c1ad72d4 r8:c15ec020 r7:c6c71f60 r6:00000020 r5:c6aaf000 r4:c6c70000 <4>[ 215.523953] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 215.534666] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 215.546676] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 215.556943] r4:0000003b <4>[ 215.559748] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 215.568028] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 215.576215] r9:c6c71f60 r8:c5346300 r7:00000020 r6:b6e51000 r5:c414a140 r4:c0c59104 <4>[ 215.584235] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 215.592336] r9:c07e2758 r8:c6c71f60 r7:c290d000 r6:b6e51000 r5:c414a140 r4:00000000 <4>[ 215.600349] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 215.607753] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6c70000 r5:c414a140 <4>[ 215.615848] r4:c414a140 <4>[ 215.618656] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 215.626063] r9:c6c70000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 215.634079] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 215.641914] Exception stack(0xc6c71fa8 to 0xc6c71ff0) <4>[ 215.647238] 1fa0: 00000020 00000020 00000001 b6e51000 00000020 00000001 <4>[ 215.655686] 1fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e51000 00020000 004ffe38 <4>[ 215.664129] 1fe0: 00000004 beafe7e8 b6f1733b b6e90616 <4>[ 215.669494] irq event stamp: 0 <4>[ 215.672847] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 215.678698] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 215.686519] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 215.694318] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 215.700199] ---[ end trace 113533c15b10dcf0 ]--- <6>[ 215.705097] lkdtm: Saturation detected: still saturated # [ 215.373188] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 215.380401] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 215.387376] ------------[ cut here ]------------ # [ 215.392325] WARNING: CPU: 1 PID: 3236 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 215.401160] refcount_t: underflow; use-after-free. # [ 215.406224] 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 imx_ldb dw_hdmi_imx dw_hdmi flexcan can_dev parallel_display imxdrm etnaviv caam error gpu_sched imx_ipu_v3 # [ 215.438778] CPU: 1 PID: 3236 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 215.446800] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 215.453593] Backtrace: # [ 215.456325] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 215.464164] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 215.470099] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 215.477684] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 215.484917] r9:00000009 r8:c0875e0c r7:0000001c r6:00000009 r5:c0875e0c r4:c1a2b128 # [ 215.492933] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 215.500684] r7:0000001c r6:c1a2b128 r5:c1a2b164 r4:c6c70000 # [ 215.506616] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 215.515933] r9:c1ad72d4 r8:c15ec020 r7:c6c71f60 r6:00000020 r5:c6aaf000 r4:c6c70000 # [ 215.523953] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 215.534666] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 215.546676] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 215.556943] r4:0000003b # [ 215.559748] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 215.568028] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 215.576215] r9:c6c71f60 r8:c5346300 r7:00000020 r6:b6e51000 r5:c414a140 r4:c0c59104 # [ 215.584235] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 215.592336] r9:c07e2758 r8:c6c71f60 r7:c290d000 r6:b6e51000 r5:c414a140 r4:00000000 # [ 215.600349] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 215.607753] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6c70000 r5:c414a140 # [ 215.615848] r4:c414a140 # [ 215.618656] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 215.626063] r9:c6c70000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 215.634079] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 215.641914] Exception stack(0xc6c71fa8 to 0xc6c71ff0) # [ 215.647238] 1fa0: 00000020 00000020 00000001 b6e51000 00000020 00000001 # [ 215.655686] 1fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e51000 00020000 004ffe38 # [ 215.664129] 1fe0: 00000004 beafe7e8 b6f1733b b6e90616 # [ 215.669494] irq event stamp: 0 # [ 215.672847] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 215.678698] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 215.686519] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 215.694318] softirqs last disabled at (0): [<00000000>] 0x0 # [ 215.700199] ---[ end trace 113533c15b10dcf0 ]--- # [ 215.705097] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 216.518875] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 216.525248] lkdtm: attempting good copy_to_user of correct size <6>[ 216.531630] lkdtm: attempting bad copy_to_user of too large size # [ 216.518875] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 216.525248] lkdtm: attempting good copy_to_user of correct size # [ 216.531630] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 216.953829] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 216.960395] lkdtm: attempting good copy_from_user of correct size <6>[ 216.966790] lkdtm: attempting bad copy_from_user of too large size # [ 216.953829] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 216.960395] lkdtm: attempting good copy_from_user of correct size # [ 216.966790] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 217.396323] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 217.403154] lkdtm: attempting good copy_to_user inside whitelist <6>[ 217.409475] lkdtm: attempting bad copy_to_user outside whitelist # [ 217.396323] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 217.403154] lkdtm: attempting good copy_to_user inside whitelist # [ 217.409475] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 217.843590] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 217.850566] lkdtm: attempting good copy_from_user inside whitelist <6>[ 217.857065] lkdtm: attempting bad copy_from_user outside whitelist # [ 217.843590] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 217.850566] lkdtm: attempting good copy_from_user inside whitelist # [ 217.857065] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 218.267902] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 218.274531] lkdtm: good_stack: c410de0c-c410de2c <6>[ 218.279454] lkdtm: bad_stack : c410dd84-c410dda4 <6>[ 218.284411] lkdtm: attempting good copy_to_user of local stack <6>[ 218.290616] lkdtm: attempting bad copy_to_user of distant stack # [ 218.267902] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 218.274531] lkdtm: good_stack: c410de0c-c410de2c # [ 218.279454] lkdtm: bad_stack : c410dd84-c410dda4 # [ 218.284411] lkdtm: attempting good copy_to_user of local stack # [ 218.290616] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 218.705195] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 218.712007] lkdtm: good_stack: c4213e0c-c4213e2c <6>[ 218.716931] lkdtm: bad_stack : c4213d84-c4213da4 <6>[ 218.721898] lkdtm: attempting good copy_from_user of local stack <6>[ 218.728199] lkdtm: attempting bad copy_from_user of distant stack # [ 218.705195] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 218.712007] lkdtm: good_stack: c4213e0c-c4213e2c # [ 218.716931] lkdtm: bad_stack : c4213d84-c4213da4 # [ 218.721898] lkdtm: attempting good copy_from_user of local stack # [ 218.728199] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 219.140300] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 219.146591] lkdtm: good_stack: c6aa9e0c-c6aa9e2c <6>[ 219.151537] lkdtm: bad_stack : c6aa9ffc-c6aaa01c <6>[ 219.156433] lkdtm: attempting good copy_to_user of local stack <6>[ 219.162657] lkdtm: attempting bad copy_to_user of distant stack # [ 219.140300] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 219.146591] lkdtm: good_stack: c6aa9e0c-c6aa9e2c # [ 219.151537] lkdtm: bad_stack : c6aa9ffc-c6aaa01c # [ 219.156433] lkdtm: attempting good copy_to_user of local stack # [ 219.162657] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 219.573466] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 219.579250] lkdtm: attempting good copy_to_user from kernel rodata: c15ec2cc <6>[ 219.586695] lkdtm: attempting bad copy_to_user from kernel text: c053e244 <3>[ 219.593966] lkdtm: FAIL: survived bad copy_to_user() # [ 219.573466] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 219.579250] lkdtm: attempting good copy_to_user from kernel rodata: c15ec2cc # [ 219.586695] lkdtm: attempting bad copy_to_user from kernel text: c053e244 # [ 219.593966] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 220.012787] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 220.018734] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 220.026083] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 220.033316] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 220.039609] CPU: 3 PID: 3612 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 220.047625] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 220.054422] Backtrace: <4>[ 220.057166] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 220.065010] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 <4>[ 220.070950] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 220.078542] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 220.087340] r9:c1ad73dc r8:c15ec020 r7:c4583f60 r6:c4583e34 r5:c4582000 r4:0000078d <4>[ 220.095364] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 220.104423] r8:c15ec020 r7:c4583f60 r6:00000012 r5:c6c35000 r4:00000046 <4>[ 220.111401] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 220.119688] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 220.127881] r9:c4583f60 r8:c5346300 r7:00000012 r6:b6e6b000 r5:c5f992c0 r4:c0c59104 <4>[ 220.135905] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 220.144009] r9:c07e2758 r8:c4583f60 r7:c290d000 r6:b6e6b000 r5:c5f992c0 r4:00000000 <4>[ 220.152028] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 220.159438] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c4582000 r5:c5f992c0 <4>[ 220.167536] r4:c5f992c0 <4>[ 220.170345] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 220.177755] r9:c4582000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 220.185775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 220.193613] Exception stack(0xc4583fa8 to 0xc4583ff0) <4>[ 220.198941] 3fa0: 00000012 00000012 00000001 b6e6b000 00000012 00000001 <4>[ 220.207395] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e6b000 00020000 0043fe38 <4>[ 220.215843] 3fe0: 00000004 bee587e8 b6f3133b b6eaa616 # [ 220.012787] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 220.018734] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 220.026083] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 220.033316] lkdtm: FAIL: the thread stack is NOT properly erased # [ 220.039609] CPU: 3 PID: 3612 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 220.047625] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 220.054422] Backtrace: # [ 220.057166] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 220.065010] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d0d8 # [ 220.070950] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 220.078542] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 220.087340] r9:c1ad73dc r8:c15ec020 r7:c4583f60 r6:c4583e34 r5:c4582000 r4:0000078d # [ 220.095364] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 220.104423] r8:c15ec020 r7:c4583f60 r6:00000012 r5:c6c35000 r4:00000046 # [ 220.111401] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 220.119688] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 220.127881] r9:c4583f60 r8:c5346300 r7:00000012 r6:b6e6b000 r5:c5f992c0 r4:c0c59104 # [ 220.135905] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 220.144009] r9:c07e2758 r8:c4583f60 r7:c290d000 r6:b6e6b000 r5:c5f992c0 r4:00000000 # [ 220.152028] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 220.159438] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c4582000 r5:c5f992c0 # [ 220.167536] r4:c5f992c0 # [ 220.170345] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 220.177755] r9:c4582000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 220.185775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 220.193613] Exception stack(0xc4583fa8 to 0xc4583ff0) # [ 220.198941] 3fa0: 00000012 00000012 00000001 b6e6b000 00000012 00000001 # [ 220.207395] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e6b000 00020000 0043fe38 # [ 220.215843] 3fe0: 00000004 bee587e8 b6f3133b b6eaa616 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 220.643921] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 220.649868] lkdtm: Calling matched prototype ... <6>[ 220.654847] lkdtm: Calling mismatched prototype ... <6>[ 220.660005] lkdtm: Fail: survived mismatched prototype function call! # [ 220.643921] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 220.649868] lkdtm: Calling matched prototype ... # [ 220.654847] lkdtm: Calling mismatched prototype ... # [ 220.660005] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #