[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.35 (24 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 14493450/tftp-deploy-t6dga_ah/kernel/zImage tftp 0x10000000 14493450/tftp-deploy-t6dga_ah/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '14493450/tftp-deploy-t6dga_ah/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 14.2 MiB/s done Bytes transferred = 12562944 (bfb200 hex) => tftp 0x14000000 14493450/tftp-deploy-t6dga_ah/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 14493450/tftp-deploy-t6dga_ah/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '14493450/tftp-deploy-t6dga_ah/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################################################## 14.3 MiB/s done Bytes transferred = 16108122 (f5ca5a hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 14493450/tftp-deploy-t6dga_ah/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 14493450/tftp-deploy-t6dga_ah/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '14493450/tftp-deploy-t6dga_ah/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.8 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14493450/extract-nfsrootfs-y7fexkrt,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/14493450/extract-nfsrootfs-y7fexkrt,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbfb200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 16108058 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 5.10.220-cip49 (KernelCI@build-j239823-arm-gcc-10-multi-v7-defconfig-kselftest-l5p54) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jun 21 16:15:02 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/14493450/extract-nfsrootfs-y7fexkrt,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: 920724K/1048576K available (17408K kernel code, 2714K rwdata, 8152K rodata, 2048K init, 6693K bss, 62316K 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 56179 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>[ 0.023198] Console: colour dummy device 80x30 <4>[ 0.025106] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.033114] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037459] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041871] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046505] ... CLASSHASH_SIZE: 4096 <4>[ 0.051092] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055815] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060488] ... CHAINHASH_SIZE: 32768 <4>[ 0.065186] memory used by lock dependency info: 4061 kB <4>[ 0.070867] memory used for stack traces: 2112 kB <4>[ 0.075911] per task-struct memory footprint: 1536 bytes <6>[ 0.081600] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.092013] CPU: Testing write buffer coherency: ok <6>[ 0.097151] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102425] pid_max: default: 32768 minimum: 301 <6>[ 0.107619] LSM: Security Framework initializing <6>[ 0.112247] LSM support for eBPF active <6>[ 0.116402] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123842] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135321] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141785] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.148199] rcu: Hierarchical SRCU implementation. <6>[ 0.159729] EFI services will not be available. <6>[ 0.162784] smp: Bringing up secondary CPUs ... <6>[ 0.169318] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169333] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.181090] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.181106] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192528] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192543] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201583] smp: Brought up 1 node, 4 CPUs <6>[ 0.205390] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211721] CPU: All CPU(s) started in SVC mode. <6>[ 0.219063] devtmpfs: initialized <6>[ 0.267142] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274574] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282493] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.294195] pinctrl core: initialized pinctrl subsystem <6>[ 0.303213] DMI not present or invalid. <6>[ 0.306659] NET: Registered protocol family 16 <6>[ 0.318648] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.331552] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.332056] cpuidle: using governor menu <6>[ 0.340142] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.969049] vdd1p1: supplied by regulator-dummy <6>[ 0.997606] vdd3p0: supplied by regulator-dummy <6>[ 1.025809] vdd2p5: supplied by regulator-dummy <6>[ 1.054022] vddarm: supplied by regulator-dummy <6>[ 1.083053] vddpu: supplied by regulator-dummy <6>[ 1.110403] vddsoc: supplied by regulator-dummy <6>[ 2.229001] No ATAGs? <6>[ 2.229824] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.237039] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.259906] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.289448] Serial: AMBA PL011 UART driver <6>[ 2.346662] Kprobes globally optimized <6>[ 2.450192] iommu: Default domain type: Translated <6>[ 2.454654] vgaarb: loaded <5>[ 2.459780] SCSI subsystem initialized <6>[ 2.463034] usbcore: registered new interface driver usbfs <6>[ 2.467020] usbcore: registered new interface driver hub <6>[ 2.472444] usbcore: registered new device driver usb <6>[ 2.484305] i2c i2c-0: IMX I2C adapter registered <6>[ 2.492633] i2c i2c-1: IMX I2C adapter registered <6>[ 2.498818] i2c i2c-2: IMX I2C adapter registered <6>[ 2.504991] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.507437] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.516880] PTP clock support registered <6>[ 2.536661] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.341388] NET: Registered protocol family 2 <6>[ 4.343911] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.354403] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.360493] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.368517] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.377428] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.383478] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.390374] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.397179] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.404891] NET: Registered protocol family 1 <6>[ 4.411362] RPC: Registered named UNIX socket transport module. <6>[ 4.415018] RPC: Registered udp transport module. <6>[ 4.420075] RPC: Registered tcp transport module. <6>[ 4.424925] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.431710] NET: Registered protocol family 44 <6>[ 4.436351] PCI: CLS 0 bytes, default 64 <6>[ 4.442676] Trying to unpack rootfs image as initramfs... <6>[ 6.286757] Freeing initrd memory: 15732K <4>[ 6.289247] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.296553] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.312045] Initialise system trusted keyrings <6>[ 6.314844] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.363991] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.370558] NFS: Registering the id_resolver key type <5>[ 6.373189] Key type id_resolver registered <5>[ 6.377572] Key type id_legacy registered <6>[ 6.382266] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.388822] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.396514] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.403011] Key type asymmetric registered <5>[ 6.405401] Asymmetric key parser 'x509' registered <6>[ 6.410821] bounce: pool size: 64 pages <6>[ 6.414657] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.422312] io scheduler mq-deadline registered <6>[ 6.427070] io scheduler kyber registered <4>[ 6.432102] test_firmware: interface ready <6>[ 6.592567] mxs-dma 110000.dma-controller: initialized <4>[ 6.651936] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.660041] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.889700] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.911670] SuperH (H)SCI(F) driver initialized <6>[ 6.916336] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.927210] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.933667] printk: console [ttymxc1] enabled <6>[ 6.933667] printk: console [ttymxc1] enabled <6>[ 6.942546] printk: bootconsole [ec_imx21] disabled <6>[ 6.942546] printk: bootconsole [ec_imx21] disabled <6>[ 6.958514] msm_serial: driver initialized <6>[ 6.963832] STMicroelectronics ASC driver initialized <6>[ 6.975029] STM32 USART driver initialized <6>[ 6.999163] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.019085] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.027681] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.035541] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.084924] brd: module loaded <6>[ 7.130644] loop: module loaded <6>[ 7.137006] lkdtm: No crash points registered, enable through debugfs <6>[ 7.157705] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.165927] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.174288] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.182811] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.191071] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.199482] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.207455] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.218987] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.226270] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.235441] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.249613] scsi host0: ahci-imx <6>[ 7.255203] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.313974] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.327350] pps pps0: new PPS source ptp0 <6>[ 7.374424] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.384902] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.390249] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.396748] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.402435] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.428182] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.436013] usbcore: registered new interface driver pegasus <6>[ 7.442193] usbcore: registered new interface driver asix <6>[ 7.448059] usbcore: registered new interface driver ax88179_178a <6>[ 7.454584] usbcore: registered new interface driver cdc_ether <6>[ 7.461011] usbcore: registered new interface driver smsc75xx <6>[ 7.467285] usbcore: registered new interface driver smsc95xx <6>[ 7.473450] usbcore: registered new interface driver net1080 <6>[ 7.479568] usbcore: registered new interface driver cdc_subset <6>[ 7.485899] usbcore: registered new interface driver zaurus <6>[ 7.492071] usbcore: registered new interface driver cdc_ncm <6>[ 7.509584] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.516472] ehci-pci: EHCI PCI platform driver <6>[ 7.521396] ehci-platform: EHCI generic platform driver <6>[ 7.527884] ehci-orion: EHCI orion driver <6>[ 7.532983] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.538085] ehci-st: EHCI STMicroelectronics driver <6>[ 7.544002] ehci-exynos: EHCI Exynos driver <6>[ 7.549265] ehci-atmel: EHCI Atmel driver <6>[ 7.554307] tegra-ehci: Tegra EHCI driver <6>[ 7.559435] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.565970] ohci-pci: OHCI PCI platform driver <6>[ 7.570902] ohci-platform: OHCI generic platform driver <6>[ 7.577318] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.582372] ohci-st: OHCI STMicroelectronics driver <6>[ 7.588342] ohci-atmel: OHCI Atmel driver <6>[ 7.596478] usbcore: registered new interface driver usb-storage <6>[ 7.599206] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.608867] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.615431] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.632109] i2c /dev entries driver <6>[ 7.709810] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.716285] sdhci: Copyright(c) Pierre Ossman <6>[ 7.729637] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.742535] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.752066] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.752074] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.762884] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.769549] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.779270] usbcore: registered new interface driver usbhid <6>[ 7.785138] usbhid: USB HID core driver <6>[ 7.790510] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.803278] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.816149] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.824160] IPv4 over IPsec tunneling driver <6>[ 7.833177] NET: Registered protocol family 10 <6>[ 7.843150] Segment Routing with IPv6 <6>[ 7.849993] mmc2: new high speed SDHC card at address 0001 <6>[ 7.852893] NET: Registered protocol family 17 <6>[ 7.862450] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.863010] mmcblk2: mmc2:0001 SD 14.6 GiB <5>[ 7.868018] Key type dns_resolver registered <6>[ 7.890798] ThumbEE CPU extension supported. <5>[ 7.895396] Registering SWP/SWPB emulation handler <5>[ 7.905035] Loading compiled-in X.509 certificates <4>[ 8.065645] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.074245] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.086994] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.107282] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 8.115045] GPT:29296874 != 30560255 <4>[ 8.118952] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.125246] GPT:29296874 != 30560255 <4>[ 8.129168] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.134644] mmcblk2: p1 p2 p3 <4>[ 8.150160] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.162982] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.168555] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.206961] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.225340] hub 1-0:1.0: USB hub found <6>[ 8.229973] hub 1-0:1.0: 1 port detected <6>[ 8.244928] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.275598] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.284078] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.296643] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.324298] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.332929] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.345385] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.362888] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.390957] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.399415] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.411876] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.433223] 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>[ 8.516919] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.725268] hub 1-1:1.0: USB hub found <6>[ 8.730250] hub 1-1:1.0: 3 ports detected <4>[ 8.759593] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.768041] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.780677] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.598642] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.627251] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.656898] Sending DHCP requests ., OK <6>[ 11.701269] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.35 <6>[ 11.709765] IP-Config: Complete: <6>[ 11.713328] device=eth0, hwaddr=00:19:b8:08:f1:09, ipaddr=192.168.201.35, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.724217] host=imx6q-sabrelite-lava-cbg-5, domain=lava-rack, nis-domain=(none) <6>[ 11.732468] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.732508] nameserver0=192.168.201.1 <6>[ 11.745931] clk: Disabling unused clocks <6>[ 11.801624] Freeing unused kernel memory: 2048K <6>[ 11.807771] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 16.826105] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 16.876985] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 16.891391] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.901400] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.922150] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.982019] CAN device driver interface <4>[ 17.001814] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.010484] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.061389] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.130895] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.157046] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.181345] caam 2100000.crypto: Entropy delay = 3200 <6>[ 17.247628] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 17.308393] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 17.313848] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 17.320807] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 17.344957] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <4>[ 17.348446] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.353120] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.370224] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.377167] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <4>[ 17.382119] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.392308] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.406229] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 17.412982] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 17.419499] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 17.429160] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1 <4>[ 17.432065] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.476768] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.487269] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.492549] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 17.500497] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.503082] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 17.518406] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 17.545164] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.553984] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.566426] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.571870] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.575411] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.586773] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <6>[ 17.591912] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.608287] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.701155] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.710800] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.727084] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.773591] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.782529] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.791367] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.800120] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.310173] caam algorithms registered in /proc/crypto <6>[ 18.322126] caam 2100000.crypto: registering rng-caam <5>[ 18.451527] random: crng init done <4>[ 18.498609] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.508436] panel-simple panel-lcd: Specify missing connector_type <4>[ 18.531341] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.569315] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.578093] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.586838] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.595468] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.627891] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.636363] panel-simple panel-lcd: Specify missing connector_type <4>[ 18.649127] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.668481] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.677254] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.685928] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.694695] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:19:b8:08:f1:09 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.35 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-5 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 20.594447] systemd[1]: System time before build time, advancing clock. <30>[ 20.829930] 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>[ 20.866209] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 20.920718] systemd[1]: Hostname set to . <30>[ 22.607316] systemd[1]: Queued start job for default target graphical.target. <30>[ 22.625810] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 22.674705] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 22.724781] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 22.772861] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 22.821335] 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>[ 22.870532] 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>[ 22.918560] 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>[ 22.940181] systemd[1]: Expecting device dev-ttymxc1.device - /dev/ttymxc1... Expecting device dev-ttymxc1.device - /dev/ttymxc1... <30>[ 22.977189] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 23.018021] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 23.068157] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 23.107532] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 23.147565] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 23.187366] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 23.228040] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 23.280592] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 23.387269] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 23.407961] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 23.453899] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 23.503753] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 23.559329] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 23.599798] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 23.641395] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). <30>[ 23.659140] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). <30>[ 23.685588] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 23.743052] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 23.808086] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 23.871946] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 23.929416] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 23.988944] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 24.038659] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 24.100272] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 24.153859] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 24.240133] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <6>[ 24.259025] fuse: init (API version 7.32) <30>[ 24.305553] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 24.366285] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 24.436416] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 24.489605] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 24.577090] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 24.628624] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 24.683728] 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>[ 24.767947] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 24.778486] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 24.832879] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 24.843311] 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>[ 24.903095] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 24.913192] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. <30>[ 24.962572] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 24.973965] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. <30>[ 25.018487] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@loop.service - Load Kernel Module loop. [ OK ] Finished systemd-modules-l…service - Load Kernel Modules. [ OK ] Finished systemd-network-g…rk units from Kernel command line. [ OK ] Finished systemd-remount-f…ount Root and Kernel File Systems. [ OK ] Reached target network-pre…get - Preparation for Network. Mounting sys-fs-fuse-conne… - FUSE Control File System... Mounting sys-kernel-config…ernel Configuration File System... Starting systemd-journal-f…h Journal to Persistent Storage... Starting systemd-random-se…ice - Load/Save Random Seed... Starting systemd-sysctl.se…ce - Apply Kernel Variables... <46>[ 25.614664] systemd-journald[291]: Received client request to flush runtime journal. Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-udevd.ser…ger for Device Events and Files... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. Starting systemd-tmpfiles-… Volatile Files and Directories... [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 27.586136] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 27.799597] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 27.810795] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 27.822178] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 27.831272] cfg80211: failed to load regulatory.db [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Reached target network.target - Network. [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. <46>[ 28.210306] systemd-journald[291]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation. [ OK ] Reached targe<46>[ 28.233820] systemd-journald[291]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating. t time-set.target - System Time Set. [ 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 5.10.220-cip49 #1 SMP Fri Jun 21 16:15:02 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/14493450/extract-nfsrootfs-y7fexkrt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14493450/extract-nfsrootfs-y7fexkrt' / # 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-14493450/environment . /lava-14493450/environment / # /lava-14493450/bin/lava-test-runner /lava-14493450/0 /lava-14493450/bin/lava-test-runner /lava-14493450/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14493450/0/tests/0_timesync-off ++ cat uuid + UUID=14493450_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-14493450/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14493450_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-06-21 16:33:27-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/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: 1410092 (1.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 3%[ ] 47.81K 187KB/s kselftest_armhf.tar 8%[> ] 113.78K 220KB/s kselftest_armhf.tar 21%[===> ] 299.03K 384KB/s kselftest_armhf.tar 30%[=====> ] 418.29K 406KB/s kselftest_armhf.tar 35%[======> ] 491.82K 381KB/s kselftest_armhf.tar 41%[=======> ] 572.42K 370KB/s kselftest_armhf.tar 47%[========> ] 657.27K 364KB/s kselftest_armhf.tar 53%[=========> ] 742.11K 360KB/s kselftest_armhf.tar 60%[===========> ] 828.37K 357KB/s kselftest_armhf.tar 66%[============> ] 916.04K 355KB/s kselftest_armhf.tar 73%[=============> ] 1008K 354KB/s kselftest_armhf.tar 79%[==============> ] 1.07M 353KB/s eta 1s kselftest_armhf.tar 84%[===============> ] 1.14M 347KB/s eta 1s kselftest_armhf.tar 89%[================> ] 1.21M 344KB/s eta 1s kselftest_armhf.tar 94%[=================> ] 1.28M 344KB/s eta 1s kselftest_armhf.tar 98%[==================> ] 1.33M 339KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.34M 343KB/s in 4.0s 2024-06-21 16:33:31 (343 KB/s) - 'kselftest_armhf.tar.gz' saved [1410092/1410092] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 61.333658] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 62.288725] lkdtm: Performing direct entry BUG <4>[ 62.293760] ------------[ cut here ]------------ <2>[ 62.298649] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 62.304144] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 62.309553] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 62.341957] CPU: 2 PID: 743 Comm: cat Not tainted 5.10.220-cip49 #1 <4>[ 62.348511] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 62.355342] PC is at lkdtm_BUG+0x14/0x18 <4>[ 62.359554] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 62.364285] pc : [] lr : [] psr: a0080013 <4>[ 62.370836] sp : c6203e58 ip : c6203e68 fp : c6203e64 <4>[ 62.376342] r10: 00000004 r9 : c1ad7494 r8 : c15ec1e0 <4>[ 62.381849] r7 : c6203f60 r6 : 00000004 r5 : c608c000 r4 : 00000001 <4>[ 62.388659] r3 : c0c5b438 r2 : ed91bea8 r1 : ef7ab5e0 r0 : c15ec1e8 <4>[ 62.395472] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 62.402892] Control: 10c5387d Table: 1476804a DAC: 00000051 <0>[ 62.408922] Process cat (pid: 743, stack limit = 0x79bd70a1) <0>[ 62.414866] Stack: (0xc6203e58 to 0xc6204000) <0>[ 62.419511] 3e40: c6203e74 c6203e68 <0>[ 62.427980] 3e60: c0c5aecc c0c5b444 c6203e9c c6203e78 c0c5b3cc c0c5aeac c0c5b2ac c61943c0 <0>[ 62.436451] 3e80: b6e40000 00000004 c517c000 c6203f60 c6203ec4 c6203ea0 c07e42b0 c0c5b2b8 <0>[ 62.444922] 3ea0: 00000000 c61943c0 b6e40000 c290d000 c6203f60 c07e424c c6203f5c c6203ec8 <0>[ 62.453390] 3ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6202000 <0>[ 62.461861] 3ee0: b6e40000 00020000 00000004 00000004 0001fffc c6203ee0 00000001 b6e3f000 <0>[ 62.470328] 3f00: c469d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 62.478798] 3f20: 00000000 00000000 c13e3a68 ed91bea8 c206c1e0 c61943c0 c61943c0 c6202000 <0>[ 62.487268] 3f40: b6e40000 00000000 00000000 00000004 c6203f94 c6203f60 c059c624 c059bf68 <0>[ 62.495738] 3f60: 00000000 00000000 c6203fac ed91bea8 00000004 00000004 7ff00000 00000004 <0>[ 62.504207] 3f80: c03002e4 c6202000 c6203fa4 c6203f98 c059c6b4 c059c5bc 00000000 c6203fa8 <0>[ 62.512676] 3fa0: c03000c0 c059c6a8 00000004 00000004 00000001 b6e40000 00000004 00000001 <0>[ 62.521144] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e40000 00020000 0043fe38 <0>[ 62.529611] 3fe0: 00000004 bed6a7e8 b6f0633b b6e7f616 60080030 00000001 00000000 00000000 <0>[ 62.538065] Backtrace: <0>[ 62.540821] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 62.548689] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 62.556998] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 62.565211] r9:c6203f60 r8:c517c000 r7:00000004 r6:b6e40000 r5:c61943c0 r4:c0c5b2ac <0>[ 62.573260] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <0>[ 62.581382] r9:c07e424c r8:c6203f60 r7:c290d000 r6:b6e40000 r5:c61943c0 r4:00000000 <0>[ 62.589421] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 62.596848] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6202000 r5:c61943c0 <0>[ 62.604958] r4:c61943c0 <0>[ 62.607787] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 62.615214] r9:c6202000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <0>[ 62.623255] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 62.631105] Exception stack(0xc6203fa8 to 0xc6203ff0) <0>[ 62.636446] 3fa0: 00000004 00000004 00000001 b6e40000 00000004 00000001 <0>[ 62.644915] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e40000 00020000 0043fe38 <0>[ 62.653379] 3fe0: 00000004 bed6a7e8 b6f0633b b6e7f616 <0>[ 62.658722] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 62.665111] ---[ end trace 34c548d288402d80 ]--- <3>[ 62.670018] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 62.679177] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 743, name: cat <4>[ 62.687113] INFO: lockdep is turned off. <4>[ 62.691315] irq event stamp: 1722 <4>[ 62.694936] hardirqs last enabled at (1721): [] console_unlock+0x4b0/0x6c0 <4>[ 62.703057] hardirqs last disabled at (1722): [] __und_svc+0x60/0x6c <4>[ 62.710569] softirqs last enabled at (1596): [] __do_softirq+0x36c/0x5a0 <4>[ 62.718516] softirqs last disabled at (1583): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 62.726635] CPU: 2 PID: 743 Comm: cat Tainted: G D 5.10.220-cip49 #1 <4>[ 62.734574] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 62.741379] Backtrace: <4>[ 62.744141] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 62.752002] r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d018 <4>[ 62.757961] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 62.765576] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 62.773614] r9:60080093 r8:0000000b r7:c035c460 r6:00000031 r5:c19d34c0 r4:c6202000 <4>[ 62.781654] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 62.789770] r6:00000000 r5:00000031 r4:c19d34c0 <4>[ 62.794695] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 62.802724] r6:00000001 r5:c6202000 r4:c5994380 <4>[ 62.807649] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 62.815248] r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c5994380 <4>[ 62.822249] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 62.829840] r7:c1e1ca0c <4>[ 62.832673] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 62.840099] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 62.847440] r10:00000004 r9:c6202000 r8:c15ec1e0 r7:00000000 r6:c6203dc8 r5:c0c5b44c <4>[ 62.855550] r4:e7f001f2 <4>[ 62.858375] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 62.866572] Exception stack(0xc6203dc8 to 0xc6203e10) <4>[ 62.871915] 3dc0: c15ec1e8 ef7ab5e0 ed91bea8 c0c5b438 00000001 c608c000 <4>[ 62.880385] 3de0: 00000004 c6203f60 c15ec1e0 c1ad7494 00000004 c6203e64 c6203e68 c6203e58 <4>[ 62.888848] 3e00: c0c5aecc c0c5b44c a0080013 ffffffff <4>[ 62.894187] r7:c6203dfc r6:ffffffff r5:a0080013 r4:c0c5b450 <4>[ 62.900144] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 62.908006] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 62.916310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 62.924519] r9:c6203f60 r8:c517c000 r7:00000004 r6:b6e40000 r5:c61943c0 r4:c0c5b2ac <4>[ 62.932563] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 62.940686] r9:c07e424c r8:c6203f60 r7:c290d000 r6:b6e40000 r5:c61943c0 r4:00000000 <4>[ 62.948723] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 62.956149] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6202000 r5:c61943c0 <4>[ 62.964259] r4:c61943c0 <4>[ 62.967086] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 62.974513] r9:c6202000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <4>[ 62.982549] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 62.990399] Exception stack(0xc6203fa8 to 0xc6203ff0) <4>[ 62.995740] 3fa0: 00000004 00000004 00000001 b6e40000 00000004 00000001 <4>[ 63.004208] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e40000 00020000 0043fe38 <4>[ 63.012671] 3fe0: 00000004 bed6a7e8 b6f0633b b6e7f616 # Segmentation fault # [ 62.288725] lkdtm: Performing direct entry BUG # [ 62.293760] ------------[ cut here ]------------ # [ 62.298649] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 62.304144] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 62.309553] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 62.341957] CPU: 2 PID: 743 Comm: cat Not tainted 5.10.220-cip49 #1 # [ 62.348511] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.355342] PC is at lkdtm_BUG+0x14/0x18 # [ 62.359554] LR is at lkdtm_do_action+0x2c/0x4c # [ 62.364285] pc : [] lr : [] psr: a0080013 # [ 62.370836] sp : c6203e58 ip : c6203e68 fp : c6203e64 # [ 62.376342] r10: 00000004 r9 : c1ad7494 r8 : c15ec1e0 # [ 62.381849] r7 : c6203f60 r6 : 00000004 r5 : c608c000 r4 : 00000001 # [ 62.388659] r3 : c0c5b438 r2 : ed91bea8 r1 : ef7ab5e0 r0 : c15ec1e8 # [ 62.395472] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 62.402892] Control: 10c5387d Table: 1476804a DAC: 00000051 # [ 62.408922] Process cat (pid: 743, stack limit = 0x79bd70a1) # [ 62.414866] Stack: (0xc6203e58 to 0xc6204000) # [ 62.419511] 3e40: c6203e74 c6203e68 # [ 62.427980] 3e60: c0c5aecc c0c5b444 c6203e9c c6203e78 c0c5b3cc c0c5aeac c0c5b2ac c61943c0 # [ 62.436451] 3e80: b6e40000 00000004 c517c000 c6203f60 c6203ec4 c6203ea0 c07e42b0 c0c5b2b8 # [ 62.444922] 3ea0: 00000000 c61943c0 b6e40000 c290d000 c6203f60 c07e424c c6203f5c c6203ec8 # [ 62.453390] 3ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6202000 # [ 62.461861] 3ee0: b6e40000 00020000 00000004 00000004 0001fffc c6203ee0 00000001 b6e3f000 # [ 62.470328] 3f00: c469d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 62.478798] 3f20: 00000000 00000000 c13e3a68 ed91bea8 c206c1e0 c61943c0 c61943c0 c6202000 # [ 62.487268] 3f40: b6e40000 00000000 00000000 00000004 c6203f94 c6203f60 c059c624 c059bf68 # [ 62.495738] 3f60: 00000000 00000000 c6203fac ed91bea8 00000004 00000004 7ff00000 00000004 # [ 62.504207] 3f80: c03002e4 c6202000 c6203fa4 c6203f98 c059c6b4 c059c5bc 00000000 c6203fa8 # [ 62.512676] 3fa0: c03000c0 c059c6a8 00000004 00000004 00000001 b6e40000 00000004 00000001 # [ 62.521144] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e40000 00020000 0043fe38 # [ 62.529611] 3fe0: 00000004 bed6a7e8 b6f0633b b6e7f616 60080030 00000001 00000000 00000000 # [ 62.538065] Backtrace: # [ 62.540821] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.548689] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.556998] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.565211] r9:c6203f60 r8:c517c000 r7:00000004 r6:b6e40000 r5:c61943c0 r4:c0c5b2ac # [ 62.573260] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 62.581382] r9:c07e424c r8:c6203f60 r7:c290d000 r6:b6e40000 r5:c61943c0 r4:00000000 # [ 62.589421] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.596848] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6202000 r5:c61943c0 # [ 62.604958] r4:c61943c0 # [ 62.607787] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.615214] r9:c6202000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 62.623255] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.631105] Exception stack(0xc6203fa8 to 0xc6203ff0) # [ 62.636446] 3fa0: 00000004 00000004 00000001 b6e40000 00000004 00000001 # [ 62.644915] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e40000 00020000 0043fe38 # [ 62.653379] 3fe0: 00000004 bed6a7e8 b6f0633b b6e7f616 # [ 62.658722] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <6>[ 63.445208] lkdtm: Performing direct entry WARNING # [ 62.665111] ---[ end trace 3<4>[ 63.451487] ------------[ cut here ]------------ 4c548d288402d80 ]--- # [ 62.67<4>[ 63.459210] WARNING: CPU: 1 PID: 815 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 0018] BUG: sleeping function call<4>[ 63.470836] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ed from invalid context at includ<4>[ 63.505755] CPU: 1 PID: 815 Comm: cat Tainted: G D W 5.10.220-cip49 #1 e/linux/percpu-rwsem.h:49 # [ <4>[ 63.516491] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 62.679177] in_atomic(): 0, irqs_d<4>[ 63.526142] Backtrace: isabled(): 128, non_block: 0, pid<4>[ 63.531726] [] (dump_backtrace) from [] (show_stack+0x20/0x24) : 743, name: cat # [ 62.687113<4>[ 63.542413] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 ] INFO: lockdep is turned off. #<4>[ 63.551198] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 62.691315] irq event stamp: <4>[ 63.561634] [] (dump_stack) from [] (__warn+0x98/0x14c) 1722 # [ 62.694936] hardirqs l<4>[ 63.571711] r9:00000009 r8:c0c5b498 r7:00000053 r6:00000009 r5:c0c5b498 r4:c1ad7b50 ast enabled at (1721): [[ 63.582581] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 8>] console_unlock+0x4b0/0x6c0 #<4>[ 63.593183] r7:00000053 r6:c1ad7b50 r5:00000000 r4:c6120000 [ 62.703057] hardirqs last dis<4>[ 63.601970] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) abled at (1722): [] __u<4>[ 63.613181] r9:c1ad7498 r8:c15ec1e0 r7:c6121f60 r6:00000008 r5:c429d000 r4:00000002 nd_svc+0x60/0x6c # [ 62.710569<4>[ 63.624048] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ] softirqs last enabled at (1596<4>[ 63.635089] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ): [] __do_softirq+0x36<4>[ 63.646223] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) c/0x5a0 # [ 62.718516] softirq<4>[ 63.657254] r9:c6121f60 r8:c517c000 r7:00000008 r6:b6e3c000 r5:c58ff540 r4:c0c5b2ac s last disabled at (1583): [[ 63.668127] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) f8f4>] __irq_exit_rcu+0x178/0x1d0<4>[ 63.679074] r9:c07e424c r8:c6121f60 r7:c290d000 r6:b6e3c000 r5:c58ff540 r4:00000000 # [ 62.726635] CPU: 2 PID: 74<4>[ 63.689938] [] (vfs_write) from [] (ksys_write+0x74/0xec) 3 Comm: cat Tainted: G D <4>[ 63.700196] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6120000 r5:c58ff540 5.10.220-cip49 #1 # [ 6<4>[ 63.711145] r4:c58ff540 2.734574] Hardware name: Freescal<4>[ 63.716810] [] (ksys_write) from [] (sys_write+0x18/0x1c) e i.MX6 Quad/DualLite (Device Tre<4>[ 63.727067] r9:c6120000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 e) # [ 62.741379] Backtrace: <4>[ 63.737939] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.744141] [] (d<4>[ 63.748623] Exception stack(0xc6121fa8 to 0xc6121ff0) ump_backtrace) from [] <4>[ 63.756803] 1fa0: 00000008 00000008 00000001 b6e3c000 00000008 00000001 (show_stack+0x20/0x24) # [ 62.<4>[ 63.768105] 1fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e3c000 00020000 004dfe38 752002] r7:ffffffff r6:60080093 <4>[ 63.779403] 1fe0: 00000004 beb007e8 b6f0233b b6e7b616 r5:00000000 r4:c1f1d018 <4>[ 63.787643] irq event stamp: 0 # [ 62.757961] [] (sh<4>[ 63.793069] hardirqs last enabled at (0): [<00000000>] 0x0 ow_stack) from [] (dump<4>[ 63.801807] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac _stack+0xe0/0x100) # [ 62.7655<4>[ 63.812450] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 76] [] (dump_stack) fro<4>[ 63.823015] softirqs last disabled at (0): [<00000000>] 0x0 m [] (___might_sleep+0x<4>[ 63.831708] ---[ end trace 34c548d288402d81 ]--- 188/0x2e0) # [ 62.773614] r9:60080093 r8:0000000b r7:c035c460 r6:00000031 r5:c19d34c0 r4:c6202000 # [ 62.781654] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 62.789770] r6:00000000 r5:00000031 r4:c19d34c0 # [ 62.794695] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 62.802724] r6:00000001 r5:c6202000 r4:c5994380 # [ 62.807649] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 62.815248] r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c5994380 # [ 62.822249] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 62.829840] r7:c1e1ca0c # [ 62.832673] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 62.840099] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 62.847440] r10:00000004 r9:c6202000 r8:c15ec1e0 r7:00000000 r6:c6203dc8 r5:c0c5b44c # [ 62.855550] r4:e7f001f2 # [ 62.858375] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 62.866572] Exception stack(0xc6203dc8 to 0xc6203e10) # [ 62.871915] 3dc0: c15ec1e8 ef7ab5e0 ed91bea8 c0c5b438 00000001 c608c000 # [ 62.880385] 3de0: 00000004 c6203f60 c15ec1e0 c1ad7494 00000004 c6203e64 c6203e68 c6203e58 # [ 62.888848] 3e00: c0c5aecc c0c5b44c a0080013 ffffffff # [ 62.894187] r7:c6203dfc r6:ffffffff r5:a0080013 r4:c0c5b450 # [ 62.900144] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.908006] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.916310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.924519] r9:c6203f60 r8:c517c000 r7:00000004 r6:b6e40000 r5:c61943c0 r4:c0c5b2ac # [ 62.932563] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 62.940686] r9:c07e424c r8:c6203f60 r7:c290d000 r6:b6e40000 r5:c61943c0 r4:00000000 # [ 62.948723] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.956149] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6202000 r5:c61943c0 # [ 62.964259] r4:c61943c0 # [ 62.967086] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.974513] r9:c6202000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 62.982549] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.990399] Exception stack(0xc6203fa8 to 0xc6203ff0) # [ 62.995740] 3fa0: 00000004 00000004 00000001 b6e40000 00000004 00000001 # [ 63.004208] 3fc0: 00000004 00000004 7ff00000 00000004 00000001 b6e40000 00020000 0043fe38 # [ 63.012671] 3fe0: 00000004 bed6a7e8 b6f0633b b6e7f616 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 63.445208] lkdtm: Performing direct entry WARNING # [ 63.451487] ------------[ cut here ]------------ # [ 63.459210] WARNING: CPU: 1 PID: 815 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 63.470836] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 63.505755] CPU: 1 PID: 815 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 63.516491] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.526142] Backtrace: # [ 63.531726] [] (dump_backtrace) from [] (show_stack+<6>[ 64.162207] lkdtm: Performing direct entry WARNING_MESSAGE 0x20/0x24) # [ 63.542413] r7:<4>[ 64.168342] ------------[ cut here ]------------ ffffffff r6:60080013 r5:00000000 <4>[ 64.176019] WARNING: CPU: 3 PID: 851 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 r4:c1f1d018 # [ 63.551198] [[ 64.188480] Warning message trigger count: 2 13c0b90>] (show_stack) from [[ 64.195673] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 c7e4c>] (dump_stack+0xe0/0x100) <4>[ 64.230702] CPU: 3 PID: 851 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 63.561634] [] (du<4>[ 64.241437] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) mp_stack) from [] (__wa<4>[ 64.251088] Backtrace: rn+0x98/0x14c) # [ 63.571711] <4>[ 64.256672] [] (dump_backtrace) from [] (show_stack+0x20/0x24) r9:00000009 r8:c0c5b498 r7:00000<4>[ 64.267357] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 053 r6:00000009 r5:c0c5b498 r4:c1<4>[ 64.276144] [] (show_stack) from [] (dump_stack+0xe0/0x100) ad7b50 # [ 63.582581] [[ 64.286579] [] (dump_stack) from [] (__warn+0x98/0x14c) 28>] (__warn) from [] (<4>[ 64.296670] r9:00000009 r8:c0c5b4e8 r7:00000058 r6:00000009 r5:c0c5b4e8 r4:c1ad7b50 warn_slowpath_fmt+0x8c/0xa8) # [<4>[ 64.307535] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 63.593183] r7:00000053 r6:c1a<4>[ 64.318139] r7:00000058 r6:c1ad7b50 r5:c1ad7b6c r4:c5f8c000 d7b50 r5:00000000 r4:c6120000 # <4>[ 64.326927] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 63.601970] [] (warn<4>[ 64.338831] r9:c1ad74a0 r8:c15ec1e0 r7:c5f8df60 r6:00000010 r5:c4708000 r4:00000003 _slowpath_fmt) from [] <4>[ 64.349700] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) (lkdtm_WARNING+0x48/0x4c) # [ <4>[ 64.361431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 63.613181] r9:c1ad7498 r8:c15ec1<4>[ 64.372565] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) e0 r7:c6121f60 r6:00000008 r5:c42<4>[ 64.383599] r9:c5f8df60 r8:c517c000 r7:00000010 r6:b6e50000 r5:c58f0a00 r4:c0c5b2ac 9d000 r4:00000002 # [ 63.62404<4>[ 64.394472] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) 8] [] (lkdtm_WARNING) f<4>[ 64.405417] r9:c07e424c r8:c5f8df60 r7:c290d000 r6:b6e50000 r5:c58f0a00 r4:00000000 rom [] (lkdtm_do_action<4>[ 64.416284] [] (vfs_write) from [] (ksys_write+0x74/0xec) +0x2c/0x4c) # [ 63.635089] [[ 64.426542] r10:00000004 r9:00000000 r8:00000000 r7:b6e50000 r6:c5f8c000 r5:c58f0a00 0c5aea0>] (lkdtm_do_action) from <4>[ 64.437490] r4:c58f0a00 [] (direct_entry+0x120/<4>[ 64.443153] [] (ksys_write) from [] (sys_write+0x18/0x1c) 0x18c) # [ 63.646223] [[ 64.453409] r9:c5f8c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 ac>] (direct_entry) from [[ 64.464280] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) b0>] (full_proxy_write+0x64/0x94)<4>[ 64.474965] Exception stack(0xc5f8dfa8 to 0xc5f8dff0) # [ 63.657254] r9:c6121f60 r<4>[ 64.483147] dfa0: 00000010 00000010 00000001 b6e50000 00000010 00000001 8:c517c000 r7:00000008 r6:b6e3c00<4>[ 64.494446] dfc0: 00000010 00000010 7ff00000 00000004 00000001 b6e50000 00020000 0048fe38 0 r5:c58ff540 r4:c0c5b2ac # [ <4>[ 64.505745] dfe0: 00000004 bee6a7e8 b6f1633b b6e8f616 63.668127] [] (full_pro<4>[ 64.513957] irq event stamp: 0 xy_write) from [] (vfs_<4>[ 64.520127] hardirqs last enabled at (0): [<00000000>] 0x0 write+0x10c/0x54c) # [ 63.6790<4>[ 64.528859] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 74] r9:c07e424c r8:c6121f60 r7:c<4>[ 64.539458] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 290d000 r6:b6e3c000 r5:c58ff540 r<4>[ 64.550054] softirqs last disabled at (0): [<00000000>] 0x0 4:00000000 # [ 63.689938] [[ 64.558741] ---[ end trace 34c548d288402d82 ]--- 59bf5c>] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.700196] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6120000 r5:c58ff540 # [ 63.711145] r4:c58ff540 # [ 63.716810] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.727067] r9:c6120000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 # [ 63.737939] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.748623] Exception stack(0xc6121fa8 to 0xc6121ff0) # [ 63.756803] 1fa0: 00000008 00000008 00000001 b6e3c000 00000008 00000001 # [ 63.768105] 1fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e3c000 00020000 004dfe38 # [ 63.779403] 1fe0: 00000004 beb007e8 b6f0233b b6e7b616 # [ 63.787643] irq event stamp: 0 # [ 63.793069] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 63.801807] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 63.812450] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 63.823015] softirqs last disabled at (0): [<00000000>] 0x0 # [ 63.831708] ---[ end trace 34c548d288402d81 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 64.162207] lkdtm: Performing direct entry WARNING_MESSAGE # [ 64.168342] ------------[ cut here ]------------ # [ 64.176019] WARNING: CPU: 3 PID: 851 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 64.188480] Warning message trigger count: 2 # [ 64.195673] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.230702] CPU: 3 PID: 851 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 64.241437] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.251088] Backtrace: # [ 64.256672] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.267357] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 64.276144] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.286579] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.296670] r9:00000009 r8:c0c5b4e8 r7:00000058 r6:00000009 r5:c0c5b4e8 r4:c1ad7b50 # [ 64.307535] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.318139] r7:00000058 r6:c1ad7b50 r5:c1ad7b6c r4:c5f8c000 # [ 64.326927] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 64.338831] r9:c1ad74a0 r8:c15ec1e0 r7:c5f8df60 r6:00000010 r5:c4708000 r4:00000003 # [ 64.349700] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.361431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.372565] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.383599] r9:c5f8df60 r8:c517c000 r7:00000010 r6:b6e50000 r5:c58f0a00 r4:c0c5b2ac # [ 64.394472] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 64.405417] r9:c07e424c r8:c5f8df60 r7:c290d000 r6:b6e50000 r5:c58f0a00 r4:00000000 # [ 64.416284] [] (vfs_write) from [] (ksys_w<6>[ 64.870192] lkdtm: Performing direct entry EXCEPTION rite+0x74/0xec) # [ 64.4265<41>[ 64.875970] 8<--- cut here --- ] r10:00000004 r9:00000000 r8:00<1>[ 64.882099] Unable to handle kernel NULL pointer dereference at virtual address 00000000 000000 r7:b6e50000 r6:c5f8c000 r5<1>[ 64.893336] pgd = a9c9a46a :c58f0a00 # [ 64.437490] r4:c<1>[ 64.899076] [00000000] *pgd=00000000 58f0a00 # [ 64.443153] [[ 64.905740] Internal error: Oops: 805 [#2] SMP ARM c5b0>] (ksys_write) from [[ 64.913468] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 b4>] (sys_write+0x18x[1 c ) 64.948474] CPU: 3 PID: 884 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 64.<445>3[4 0 9 ]6 4 .r959640] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :c5f8c000 r8:c03002e4 r7:00<040>0 64.967174] PC is at lkdtm_EXCEPTION+0x18/0x20 004 r6:7ff0000<04 >r[5 : 0 06040.974385] LR is at lkdtm_do_action+0x2c/0x4c 010 r4:00<40>0[0 0 1 06 4 .#9 8[1081] pc : [] lr : [] psr: a0080013 64.464<248>0[] [ <6c40.5998c9343] sp : c5fd3e58 ip : c5fd3e68 fp : c5fd3e64 <4>[ 64.996564] r10: 0000000a r9 : c1ad74b0 r8 : c15ec1e0 9c>] (sys_i[t e ) 6f5r.o0m02055] r7 : c5fd3f60 r6 : 0000000a r5 : c59b4000 r4 : 00000004 [<]4 >([r e t _6f5a.s0t0665] r3 : 00000000 r2 : 7a5eadf1 r1 : ef7c05e0 r0 : c15ec200 _syscall+0x0x[2 8 ) 65 .#0 9274] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 64.4749<645>][ E x c6e5p.t0i8490] Control: 10c5387d Table: 15ff004a DAC: 00000051 on stack(0xc5f<80d>f[a 8 t6o5 .036320] Process cat (pid: 884, stack limit = 0x52dd77ba) xc5f8df)[ # 6[5. 0 4 46232] Stack: (0xc5fd3e58 to 0xc5fd4000) .483147] dfa0<:0 > [ 6 5 . 50500] 3e40: c5fd3e74 c5fd3e68 0000<000>1[0 0 06050.060848] 3e60: c0c5aecc c0c5b4fc c5fd3e9c c5fd3e78 c0c5b3cc c0c5aeac c0c5b2ac c58f0c80 010 00000001 b6e<500>0[0 0 0605.071280] 3e80: b6e36000 0000000a c517c000 c5fd3f60 c5fd3ec4 c5fd3ea0 c07e42b0 c0c5b2b8 00010 00000001 <#0 >[[ 6645.081799] 3ea0: 00000000 c58f0c80 b6e36000 c290d000 c5fd3f60 c07e424c c5fd3f5c c5fd3ec8 494446] dfc0: 000<000>0[1 0 060.092319] 3ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5fd2000 000010 7ff00000< 00>0[0 0 0 06054102836] 3ee0: b6e36000 00020000 00000004 0000000a 0001fff6 c5fd3ee0 00000001 b6e35000 00000001 b6e500<000> [0 0 0 2605.113268] 3f00: c58ff040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00 0048fe38 #< 0[> [ 6 46.55.123787] 3f20: 00000000 00000000 c13e3a68 7a5eadf1 c206c1e0 c58f0c80 c58f0c80 c5fd2000 5745] dfe0: 0<000>0[0 0 0 46 5b.e34219] 3f40: b6e36000 00000000 00000000 00000004 c5fd3f94 c5fd3f60 c059c624 c059bf68 e6a7e8 b6f1633b< 0b>6[e 8 f 66156144566] 3f60: 00000000 00000000 c5fd3fac 7a5eadf1 0000000a 0000000a 7ff00000 00000004 # [ 64.51395<70]> [i r q 6e5.154998] 3f80: c03002e4 c5fd2000 c5fd3fa4 c5fd3f98 c059c6b4 c059c5bc 00000000 c5fd3fa8 ent stamp: 0 <#0 >[[ 6645..165516] 3fa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6e36000 0000000a 00000001 20127] hardirqs< 0l>a[s t 6e5n175949] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e36000 00020000 004afe38 abled at (0): [<<000>0[0 0 0 0605.186382] 3fe0: 00000004 be8ea7e8 b6efc33b b6e75616 60080030 00000001 00000000 00000000 ] 0x0 # [ 64<.05>2[8 8 5 96]5 196896] Backtrace: hardirqs last disabled at< 0(>0[) 65.201609] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) : [] copy_o[c e s 65.212387] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) +0x5f8/0x1dac # [ 64.5394<508>[ 65.222910] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) softirqs last eb[l e d 6a.233683] r9:c5fd3f60 r8:c517c000 r7:0000000a r6:b6e36000 r5:c58f0c80 r4:c0c5b2ac t (0): [] copy_pro[ 65.243775] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) s+0x5f8/0x1dac < 0#> [[ 6654254458] r9:c07e424c r8:c5fd3f60 r7:c290d000 r6:b6e36000 r5:c58f0c80 r4:00000000 .550054] softirqs< 0l>a[s t d6i.264459] [] (vfs_write) from [] (ksys_write+0x74/0xec) sabled at (0): [<<000>0[0 0 0 060.273936] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5fd2000 r5:c58f0c80 >] 0x0 < 0#> [[ 6654..25854801] r4:c58f0c80 741] ---[ end tra [3 4 c 564.288550] [] (ksys_write) from [] (sys_write+0x18/0x1c) 8d288402d82 ]<-0->-[ # 6W5A.R98027] r9:c5fd2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a NING_MESSAGE: saw 'ms[a g e 65.307943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) trigger'<:0 >o[k o6k5 .43 1s8018] Exception stack(0xc5fd3fa8 to 0xc5fd3ff0) lftests: lkdtm: WN[I N G _6M.325070] 3fa0: 0000000a 0000000a 00000001 b6e36000 0000000a 00000001 ESSAGE.sh # sele[s t s :6 5.335589] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e36000 00020000 004afe38 kdtm: EXCT[I O N .6s5h. 3 46104] 3fe0: 00000004 be8ea7e8 b6efc33b b6e75616 <0>[ 65.353156] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 65.359599] ---[ end trace 34c548d288402d83 ]--- # Segmentation fault # [ 64.870192] lkdtm: Performing direct entry EXCEPTION # [ 64.875970] 8<--- cut here --- # [ 64.882099] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 64.893336] pgd = a9c9a46a # [ 64.899076] [00000000] *pgd=00000000 # [ 64.905740] Internal error: Oops: 805 [#2] SMP ARM # [ 64.913468] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.948474] CPU: 3 PID: 884 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 64.958640] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.967174] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 64.974385] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.981081] pc : [] lr : [] psr: a0080013 # [ 64.989343] sp : c5fd3e58 ip : c5fd3e68 fp : c5fd3e64 # [ 64.996564] r10: 0000000a r9 : c1ad74b0 r8 : c15ec1e0 # [ 65.002055] r7 : c5fd3f60 r6 : 0000000a r5 : c59b4000 r4 : 00000004 # [ 65.010665] r3 : 00000000 r2 : 7a5eadf1 r1 : ef7c05e0 r0 : c15ec200 # [ 65.019274] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 65.028490] Control: 10c5387d Table: 15ff004a DAC: 00000051 # [ 65.036320] Process cat (pid: 884, stack limit = 0x52dd77ba) # [ 65.044232] Stack: (0xc5fd3e58 to 0xc5fd4000) # [ 65.050500] 3e40: c5fd3e74 c5fd3e68 # [ 65.060848] 3e60: c0c5aecc c0c5b4fc c5fd3e9c c5fd3e78 c0c5b3cc c0c5aeac c0c5b2ac c58f0c80 # [ 65.071280] 3e80: b6e36000 0000000a c517c000 c5fd3f60 c5fd3ec4 c5fd3ea0 c07e42b0 c0c5b2b8 # [ 65.081799] 3ea0: 00000000 c58f0c80 b6e36000 c290d000 c5fd3f60 c07e424c c5fd3f5c c5fd3ec8 # [ 65.092319] 3ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5fd2000 # [ 65.102836] 3ee0: b6e36000 00020000 00000004 0000000a 0001fff6 c5fd3ee0 00000001 b6e35000 # [ 65.113268] 3f00: c58ff040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 65.123787] 3f20: 00000000 00000000 c13e3a68 7a5eadf1 c206c1e0 c58f0c80 c58f0c80 c5fd2000 # [ 65.134219] 3f40: b6e36000 00000000 00000000 00000004 c5fd3f94 c5fd3f60 c059c624 c059bf68 # [ 65.144566] 3f60: 00000000 00000000 c5fd3fac 7a5eadf1 0000000a 0000000a 7ff00000 00000004 # [ 65.154998] 3f80: c03002e4 c5fd2000 c5fd3fa4 c5fd3f98 c059c6b4 c059c5bc 00000000 c5fd3fa8 # [ 65.165516] 3fa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6e36000 0000000a 00000001 # [ 65.175949] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e36000 00020000 004afe38 # [ 65.186382] 3fe0: 00000004 be8ea7e8 b6efc33b b6e75616 60080030 00000001 00000000 00000000 # [ 65.196896] Backtrace: # [ 65.201609] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.212387] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.222910] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.233683] r9:c5fd3f60 r8:c517c000 r7:0000000a r6:b6e36000 r5:c58f0c80 r4:c0c5b2ac # [ 65.243775] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 65.254458] r9:c07e424c r8:c5fd3f60 r7:c290d000 r6:b6e36000 r5:c58f0c80 r4:00000000 # [ 65.264459] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.273936] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5fd2000 r5:c58f0c80 # [ 65.284101] r4:c58f0c80 # [ 65.288550] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.298027] r9:c5fd2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 65.307943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.318018] Exception stack(0xc5fd3fa8 to 0xc5fd3ff0) # [ 65.325070] 3fa0: 0000000a 0000000a 00000001 b6e36000 0000000a 00000001 # [ 65.335589] 3fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e36000 00020000 004afe38 # [ 65.346104] 3fe0: 00000004 be8ea7e8 b6efc33b b6e75616 # [ 65.353156] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 65.359599] ---[ end trace 34c548d288402d83 ]--- # EXCEPTION: missing 'call trace:': [FAIL] not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1 # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 66.473473] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 66.479393] lkdtm: attempting good list addition <6>[ 66.484287] lkdtm: attempting corrupted list addition <3>[ 66.489744] lkdtm: list_add() corruption not detected! # [ 66.473473] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 66.479393] lkdtm: attempting good list addition # [ 66.484287] lkdtm: attempting corrupted list addition # [ 66.489744] 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>[ 66.803409] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 66.809317] lkdtm: attempting good list removal <6>[ 66.814118] lkdtm: attempting corrupted list removal <3>[ 66.819412] lkdtm: list_del() corruption not detected! # [ 66.803409] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 66.809317] lkdtm: attempting good list removal # [ 66.814118] lkdtm: attempting corrupted list removal # [ 66.819412] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 67.110270] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 67.116936] lkdtm: attempting bad read from page below current stack <3>[ 67.123568] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 67.110270] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 67.116936] lkdtm: attempting bad read from page below current stack # [ 67.123568] 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>[ 67.424378] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 67.431276] lkdtm: attempting bad read from page above current stack <3>[ 67.437981] lkdtm: FAIL: accessed page after stack! (byte: 4) # [ 67.424378] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 67.431276] lkdtm: attempting bad read from page above current stack # [ 67.437981] lkdtm: FAIL: accessed page after stack! (byte: 4) # 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>[ 67.734378] lkdtm: Performing direct entry UNSET_SMEP <3>[ 67.739758] lkdtm: XFAIL: this test is x86_64-only # [ 67.734378] lkdtm: Performing direct entry UNSET_SMEP # [ 67.739758] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 68.046451] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 68.052085] lkdtm: XFAIL: this test is ia32-only # [ 68.046451] lkdtm: Performing direct entry DOUBLE_FAULT # [ 68.052085] 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>[ 68.348559] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 68.353982] lkdtm: XFAIL: this test is arm64-only # [ 68.348559] lkdtm: Performing direct entry CORRUPT_PAC # [ 68.353982] 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>[ 68.648107] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 68.654830] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 68.648107] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 68.654830] 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>[ 69.339496] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 69.345272] lkdtm: Value in memory before free: 12345678 <6>[ 69.350934] lkdtm: Attempting bad read from freed memory <6>[ 69.356522] lkdtm: Memory was not poisoned # [ 69.339496] lkdtm: Performing direct entry READ_AFTER_FREE # [ 69.345272] lkdtm: Value in memory before free: 12345678 # [ 69.350934] lkdtm: Attempting bad read from freed memory # [ 69.356522] 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 <4>[ 69.611767] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.619965] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.633177] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.650176] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.659267] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.668158] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) # Skipping WRITE_BUDDY_AFTER_FREE<6>[ 69.676943] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) : Corrupts memory on failure <6>[ 69.689612] platform backlight-lcd: deferred probe pending ok 21 selftests: lkdtm: WRITE_BUD<6>[ 69.696709] platform backlight-lvds: deferred probe pending DY_AFTER_FREE.sh # SKIP <6>[ 69.705193] platform panel-lcd: deferred probe pending <6>[ 69.712769] platform panel-lvds0: deferred probe pending <6>[ 69.718390] platform 120000.hdmi: deferred probe pending # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 69.921585] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 69.927944] lkdtm: Value in memory before free: 12345678 <6>[ 69.933535] lkdtm: Attempting to read from freed memory <6>[ 69.939146] lkdtm: Buddy page was not poisoned # [ 69.921585] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 69.927944] lkdtm: Value in memory before free: 12345678 # [ 69.933535] lkdtm: Attempting to read from freed memory # [ 69.939146] 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>[ 70.251852] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 70.257778] lkdtm: Attempting double slab free ... # [ 70.251852] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 70.257778] 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>[ 70.545743] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 70.551601] lkdtm: Attempting cross-cache slab free ... # [ 70.545743] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 70.551601] 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>[ 70.852402] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 70.858148] lkdtm: Attempting non-Slab slab free ... # [ 70.852402] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 70.858148] 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>[ 71.912171] lkdtm: Performing direct entry EXEC_DATA <6>[ 71.917503] lkdtm: attempting ok execution at c0c5bc3c <6>[ 71.922917] lkdtm: attempting bad execution at c2706a28 <1>[ 71.928467] 8<--- cut here --- <1>[ 71.931791] Unable to handle kernel paging request at virtual address c2706a28 <1>[ 71.939282] pgd = 6c14f4db <1>[ 71.942257] [c2706a28] *pgd=1261141e(bad) <0>[ 71.946552] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 71.952045] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 71.984391] CPU: 0 PID: 1760 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 71.992400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 71.999203] PC is at data_area+0x0/0x40 <4>[ 72.003315] LR is at execute_location+0xa4/0xb4 <4>[ 72.008111] pc : [] lr : [] psr: 60080013 <4>[ 72.014643] sp : c6581e38 ip : c6581d40 fp : c6581e54 <4>[ 72.020133] r10: 0000000a r9 : c1ad7694 r8 : c15ec1e0 <4>[ 72.025623] r7 : c6581f60 r6 : 00000001 r5 : c2706a28 r4 : c0c5bc3c <4>[ 72.032415] r3 : 1790cb37 r2 : 1790cb37 r1 : ef7815e0 r0 : 0000002b <4>[ 72.039210] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 72.046611] Control: 10c5387d Table: 1648c04a DAC: 00000051 <0>[ 72.052623] Process cat (pid: 1760, stack limit = 0x6c965e21) <0>[ 72.058636] Stack: (0xc6581e38 to 0xc6582000) <0>[ 72.063260] 1e20: 0000001f c6555000 <0>[ 72.071707] 1e40: 0000000a c6581f60 c6581e64 c6581e58 c13ce670 c13ce46c c6581e74 c6581e68 <0>[ 72.080154] 1e60: c0c5aecc c13ce658 c6581e9c c6581e78 c0c5b3cc c0c5aeac c0c5b2ac c5eb3b80 <0>[ 72.088601] 1e80: b6e8b000 0000000a c517c000 c6581f60 c6581ec4 c6581ea0 c07e42b0 c0c5b2b8 <0>[ 72.097048] 1ea0: 00000000 c5eb3b80 b6e8b000 c290d000 c6581f60 c07e424c c6581f5c c6581ec8 <0>[ 72.105495] 1ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6580000 <0>[ 72.113941] 1ee0: b6e8b000 00020000 00000004 0000000a 0001fff6 c6581ee0 00000001 b6e8a000 <0>[ 72.122386] 1f00: c6496640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 72.130832] 1f20: 00000000 00000000 c13e3a68 1790cb37 c206c1e0 c5eb3b80 c5eb3b80 c6580000 <0>[ 72.139278] 1f40: b6e8b000 00000000 00000000 00000004 c6581f94 c6581f60 c059c624 c059bf68 <0>[ 72.147725] 1f60: 00000000 00000000 c6581fac 1790cb37 0000000a 0000000a 7ff00000 00000004 <0>[ 72.156170] 1f80: c03002e4 c6580000 c6581fa4 c6581f98 c059c6b4 c059c5bc 00000000 c6581fa8 <0>[ 72.164615] 1fa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6e8b000 0000000a 00000001 <0>[ 72.173060] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e8b000 00020000 004cfe38 <0>[ 72.181504] 1fe0: 00000004 be9307e8 b6f5133b b6eca616 60080030 00000001 00000000 00000000 <0>[ 72.189944] Backtrace: <0>[ 72.192671] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 72.201117] r7:c6581f60 r6:0000000a r5:c6555000 r4:0000001f <0>[ 72.207052] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.215413] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.223691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.231877] r9:c6581f60 r8:c517c000 r7:0000000a r6:b6e8b000 r5:c5eb3b80 r4:c0c5b2ac <0>[ 72.239897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <0>[ 72.247997] r9:c07e424c r8:c6581f60 r7:c290d000 r6:b6e8b000 r5:c5eb3b80 r4:00000000 <0>[ 72.256010] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.263414] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c6580000 r5:c5eb3b80 <0>[ 72.271509] r4:c5eb3b80 <0>[ 72.274312] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.281715] r9:c6580000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 72.289730] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.297564] Exception stack(0xc6581fa8 to 0xc6581ff0) <0>[ 72.302882] 1fa0: 0000000a 0000000a 00000001 b6e8b000 0000000a 00000001 <0>[ 72.311328] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e8b000 00020000 004cfe38 <0>[ 72.319771] 1fe0: 00000004 be9307e8 b6f5133b b6eca616 <0>[ 72.325092] Code: 00000000 c2c609c0 c2c60a80 c2c60b40 (e1a0c00d) <4>[ 72.331456] ---[ end trace 34c548d288402d84 ]--- # Segmentation fault # [ 71.912171] lkdtm: Performing direct entry EXEC_DATA # [ 71.917503] lkdtm: attempting ok execution at c0c5bc3c # [ 71.922917] lkdtm: attempting bad execution at c2706a28 # [ 71.928467] 8<--- cut here --- # [ 71.931791] Unable to handle kernel paging request at virtual address c2706a28 # [ 71.939282] pgd = 6c14f4db # [ 71.942257] [c2706a28] *pgd=1261141e(bad) # [ 71.946552] Internal error: Oops: 8000000d [#3] SMP ARM # [ 71.952045] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 71.984391] CPU: 0 PID: 1760 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 71.992400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.999203] PC is at data_area+0x0/0x40 # [ 72.003315] LR is at execute_location+0xa4/0xb4 # [ 72.008111] pc : [] lr : [] psr: 60080013 # [ 72.014643] sp : c6581e38 ip : c6581d40 fp : c6581e54 # [ 72.020133] r10: 0000000a r9 : c1ad7694 r8 : c15ec1e0 # [ 72.025623] r7 : c6581f60 r6 : 00000001 r5 : c2706a28 r4 : c0c5bc3c # [ 72.032415] r3 : 1790cb37 r2 : 1790cb37 r1 : ef7815e0 r0 : 0000002b # [ 72.039210] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.046611] Control: 10c5387d Table: 1648c04a DAC: 00000051 # [ 72.052623] Process cat (pid: 1760, stack limit = 0x6c965e21) # [ 72.058636] Stack: (0xc6581e38 to 0xc6582000) # [ 72.063260] 1e20: 0000001f c6555000 # [ 72.071707] 1e40: 0000000a c6581f60 c6581e64 c6581e58 c13ce670 c13ce46c c6581e74 c6581e68 # [ 72.080154] 1e60: c0c5aecc c13ce658 c6581e9c c6581e78 c0c5b3cc c0c5aeac c0c5b2ac c5eb3b80 # [ 72.088601] 1e80: b6e8b000 0000000a c517c000 c6581f60 c6581ec4 c6581ea0 c07e42b0 c0c5b2b8 # [ 72.097048] 1ea0: 00000000 c5eb3b80 b6e8b000 c290d000 c6581f60 c07e424c c6581f5c c6581ec8 # [ 72.105495] 1ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6580000 # [ 72.113941] 1ee0: b6e8b000 00020000 00000004 0000000a 0001fff6 c6581ee0 00000001 b6e8a000 # [ 72.122386] 1f00: c6496640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.130832] 1f20: 00000000 00000000 c13e3a68 1790cb37 c206c1e0 c5eb3b80 c5eb3b80 c6580000 # [ 72.139278] 1f40: b6e8b000 00000000 00000000 00000004 c6581f94 c6581f60 c059c624 c059bf68 # [ 72.147725] 1f60: 00000000 00000000 c6581fac 1790cb37 0000000a 0000000a 7ff00000 00000004 # [ 72.156170] 1f80: c03002e4 c6580000 c6581fa4 c6581f98 c059c6b4 c059c5bc 00000000 c6581fa8 # [ 72.164615] 1fa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6e8b000 0000000a 00000001 # [ 72.173060] 1fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e8b000 00020000 004cfe38 # [ 72.181504] 1fe0: 00000004 be9307e8 b6f5133b b6eca616 60080030 00000001 00000000 00000000 # [ 72.189944] Backtrace: # [ 72.192671] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 72.201117] r7:c6581f60 r6:0000000a r5:c6555000 r4:0000001f # [ 72.207052] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.215413] [] (lkdtm_do_action) from [] (di<6>[ 72.758497] lkdtm: Performing direct entry EXEC_STACK rect_entry+0x120/0x18c)< 6 >#[ [ 72.766312] lkdtm: attempting ok execution at c0c5bc3c 72.223691] [] (direc<6>[ 72.774157] lkdtm: attempting bad execution at c6495e0c t_entry) from [] (full_<1>[ 72.782525] 8<--- cut here --- proxy_write+0x64/<01x>9[4 ) 7#.788589] Unable to handle kernel paging request at virtual address c6495e0c [ 72.231877] r9:c<615>8[1 f 672.798154] pgd = 9e8db02e 0 r8:c517c000 r7:0000000a r6:b6e8<1>[ 72.803372] [c6495e0c] *pgd=1641141e(bad) b000 r5:c5eb3b80 r4:c[5 b 2 72.810505] Internal error: Oops: 8000000d [#4] SMP ARM c # [ 72.239897] [] <4>[ 72.818242] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 (full_proxy_write) from <[4<>c[0 72.853239] CPU: 1 PID: 1837 Comm: cat Tainted: G D W 5.10.220-cip49 #1 9c068>] (vfs_write<+40>x[1 0 c /72.863663] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) x54c) # [ 72.247997]< 4 >r[9 : 72.872620] PC is at 0xc6495e0c c07e424c r8:c6581f60 r7:c290d<040[ 72.878366] LR is at execute_location+0xa4/0xb4 0 r6:b6e8b000 r5<:4c>5[e b 3 b782.885746] pc : [] lr : [] psr: 60080013 r4:00000000 # <[4 > [ 7 2 .722.894351] sp : c6495de8 ip : c6495cf0 fp : c6495e04 6010] [5[c > ] 7(2v.f901913] r10: 0000000b r9 : c1ad76a0 r8 : c15ec1e0 _write) from [<5[9 c 67224.909304] r7 : c6495f60 r6 : 00000001 r5 : c6495e0c r4 : c0c5bc3c ] (ksys_write+<04x>7[4 / 0 x7e2c.918082] r3 : d24b1e2c r2 : d24b1e2c r1 : ef7965e0 r0 : 0000002b # [ 72.263414<]4 > [r 1 0 :70.926864] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000004 r9:000000<040> [r 8 : 070.936337] Control: 10c5387d Table: 1662004a DAC: 00000051 000000 r7:b6e8b000< 0r>6[: c 6 572.944421] Process cat (pid: 1837, stack limit = 0xca1282e3) 0000 r5:c5eb3b8<00 > [# [ 7 2 952591] Stack: (0xc6495de8 to 0xc6496000) 72.271509] r4:c5eb3b80< 0 >#[ [ 72.959205] 5de0: c6494000 c6115000 0000000b c6495f60 c6495e64 c6495e08 72.274312] [b[0 > ] 72.969979] 5e00: c13ce6ac c13ce46c c6495e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 (ksys_write) from [c[6 b 72.980669] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 >] (sys_write+0x18/0x<10c>)[ #72.991445] 5e40: e3a02040 e3a01d33 e5930018 d24b1e2c 0000000b 00000020 c6495e74 c6495e68 [ 72.281715] r9<:0c>6[5 8 0 03.002133] 5e60: c0c5aecc c13ce680 c6495e9c c6495e78 c0c5b3cc c0c5aeac c0c5b2ac c594d180 00 r8:c03002e4 r7:0000<000>0[4 73.012736] 5e80: b6dd4000 0000000b c517c000 c6495f60 c6495ec4 c6495ea0 c07e42b0 c0c5b2b8 6:7ff00000 r5:0000000a< 0r>4[: 0 73.023511] 5ea0: 00000000 c594d180 b6dd4000 c290d000 c6495f60 c07e424c c6495f5c c6495ec8 00000a # [ 72.289<703>0[] [ 73.034287] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6494000 c059c69c>] (sys_write) fm[ 73.044978] 5ee0: b6dd4000 00020000 00000004 0000000b 0001fff5 c6495ee0 00000001 b6dd3000 ] (ret_fa_[s y s c3.055836] 5f00: c5eb3680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 all+0x0/0x28) # [ <702>.[2 9 773.066439] 5f20: 00000000 00000000 c13e3a68 d24b1e2c c206c1e0 c594d180 c594d180 c6494000 564] Exception stack<(00>x[c 6 5 73.077127] 5f40: b6dd4000 00000000 00000000 00000004 c6495f94 c6495f60 c059c624 c059bf68 1fa8 to 0xc6581ff0)< 0 >#[ [ 3.087817] 5f60: 00000000 00000000 c6495fac d24b1e2c 0000000b 0000000b 7ff00000 00000004 72.302882] 1fa0: < 0 > [ 73.098420] 5f80: c03002e4 c6494000 c6495fa4 c6495f98 c059c6b4 c059c5bc 00000000 c6495fa8 0000000a <000>0[0 0 0 073.109108] 5fa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6dd4000 0000000b 00000001 00000001 b6e8b000 0000000a 00000<0>[ 73.119728] 5fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6dd4000 00020000 0042fe38 001 # [ 72.311328] 10[: 73.131013] 5fe0: 00000004 be9667e8 b6e9a33b b6e13616 60080030 00000001 00000000 00000000 0000000a 0000000a 7ff0<000>0[0 73.141782] Backtrace: 0000004 00000001 b6e8b000 0002000<0>[ 73.146843] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) 0 004cfe38 # [ 72.3<109>7[7 1 73.158218] r7:c6495f60 r6:0000000b r5:c6115000 r4:c6494000 1fe0: 00000004 be9307e8 b6f5<103[ 73.166480] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) 3b b6eca616 #< 0[> [ 7723..377505] r4:00000020 25092] Code: 0000000<00 >c[2 c 6 73.182211] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 9c0 c2c60a80 c2c60b40 (e1a0c00d<)>[ 73.192733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.331456] ---<[0 >e[n d 73.203588] r9:c6495f60 r8:c517c000 r7:0000000b r6:b6dd4000 r5:c594d180 r4:c0c5b2ac trace 34c548d288402d84 ]--- # <0>[ 73.213937] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) XEC_DATA: missing 'ca [t r a73.224791] r9:c07e424c r8:c6495f60 r7:c290d000 r6:b6dd4000 r5:c594d180 r4:00000000 ce:': [FAIL] not ok 30< 0s>e[l f 73.235046] [] (vfs_write) from [] (ksys_write+0x74/0xec) tests: lkdtm: EXEC_DATs[h 73.244779] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6494000 r5:c594d180 exit=1 # sele[ s t s7:3 .l55202] r4:c594d180 kdtm: EXEC_STACK.sh <0>[ 73.259908] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.269118] r9:c6494000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 73.277133] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.284967] Exception stack(0xc6495fa8 to 0xc6495ff0) <0>[ 73.290286] 5fa0: 0000000b 0000000b 00000001 b6dd4000 0000000b 00000001 <0>[ 73.298731] 5fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6dd4000 00020000 0042fe38 <0>[ 73.307174] 5fe0: 00000004 be9667e8 b6e9a33b b6e13616 <0>[ 73.312495] Code: c6495e08 c13ce6ac c13ce46c c6495e6c (e1a0c00d) <4>[ 73.318860] ---[ end trace 34c548d288402d85 ]--- # Segmentation fault # [ 72.758497] lkdtm: Performing direct entry EXEC_STACK # [ 72.766312] lkdtm: attempting ok execution at c0c5bc3c # [ 72.774157] lkdtm: attempting bad execution at c6495e0c # [ 72.782525] 8<--- cut here --- # [ 72.788589] Unable to handle kernel paging request at virtual address c6495e0c # [ 72.798154] pgd = 9e8db02e # [ 72.803372] [c6495e0c] *pgd=1641141e(bad) # [ 72.810505] Internal error: Oops: 8000000d [#4] SMP ARM # [ 72.818242] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 72.853239] CPU: 1 PID: 1837 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 72.863663] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.872620] PC is at 0xc6495e0c # [ 72.878366] LR is at execute_location+0xa4/0xb4 # [ 72.885746] pc : [] lr : [] psr: 60080013 # [ 72.894351] sp : c6495de8 ip : c6495cf0 fp : c6495e04 # [ 72.901913] r10: 0000000b r9 : c1ad76a0 r8 : c15ec1e0 # [ 72.909304] r7 : c6495f60 r6 : 00000001 r5 : c6495e0c r4 : c0c5bc3c # [ 72.918082] r3 : d24b1e2c r2 : d24b1e2c r1 : ef7965e0 r0 : 0000002b # [ 72.926864] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.936337] Control: 10c5387d Table: 1662004a DAC: 00000051 # [ 72.944421] Process cat (pid: 1837, stack limit = 0xca1282e3) # [ 72.952591] Stack: (0xc6495de8 to 0xc6496000) # [ 72.959205] 5de0: c6494000 c6115000 0000000b c6495f60 c6495e64 c6495e08 # [ 72.969979] 5e00: c13ce6ac c13ce46c c6495e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 72.980669] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8 # [ 72.991445] 5e40: e3a02040 e3a01d33 e5930018 d24b1e2c 0000000b 00000020 c6495e74 c6495e68 # [ 73.002133] 5e60: c0c5aecc c13ce680 c6495e9c c6495e78 c0c5b3cc c0c5aeac c0c5b2ac c594d180 # [ 73.012736] 5e80: b6dd4000 0000000b c517c000 c6495f60 c6495ec4 c6495ea0 c07e42b0 c0c5b2b8 # [ 73.023511] 5ea0: 00000000 c594d180 b6dd4000 c290d000 c6495f60 c07e424c c6495f5c c6495ec8 # [ 73.034287] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6494000 # [ 73.044978] 5ee0: b6dd4000 00020000 00000004 0000000b 0001fff5 c6495ee0 00000001 b6dd3000 # [ 73.055836] 5f00: c5eb3680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.066439] 5f20: 00000000 00000000 c13e3a68 d24b1e2c c206c1e0 c594d180 c594d180 c6494000 # [ 73.077127] 5f40: b6dd4000 00000000 00000000 00000004 c6495f94 c6495f60 c059c624 c059bf68 # [ 73.087817] 5f60: 00000000 00000000 c6495fac d24b1e2c 0000000b 0000000b 7ff00000 00000004 # [ 73.098420] 5f80: c03002e4 c6494000 c6495fa4 c6495f98 c059c6b4 c059c5bc 00000000 c6495fa8 # [ 73.109108] 5fa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6dd4000 0000000b 00000001 # [ 73.119728] 5fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6dd4000 00020000 0042fe38 # [ 73.131013] 5fe0: 00000004 be9667e8 b6e9a33b b6e13616 60080030 00000001 00000000 00000000 # [ 73.141782] Backtrace: # [ 73.146843] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 73.158218] r7:c6495f60 r6:0000000b r5:c6115000 r4:c6494000 # [ <6>[ 73.741726] lkdtm: Performing direct entry EXEC_KMALLOC 73.166480] [] (lkdtm_EX<6>[ 73.750211] lkdtm: attempting ok execution at c0c5bc3c EC_STACK) from [] (lkdt<6>[ 73.758365] lkdtm: attempting bad execution at c60ad600 m_do_action+0x2c/0x4c) # [ 73.<1>[ 73.766738] 8<--- cut here --- 177505] r4:00000020 # <[1 > [ 73.772859] Unable to handle kernel paging request at virtual address c60ad600 3.182211] [>][ ( l k3.782778] pgd = 3293e96c dtm_do_action) from [] <1>[ 73.787920] [c60ad600] *pgd=1601141e(bad) (direct_entry+0x120/0x18c) # [< >[ 73.795072] Internal error: Oops: 8000000d [#5] SMP ARM 73.192733] [] (direct<4>[ 73.803245] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 _entry) from [] (full_p<4>[ 73.838264] CPU: 1 PID: 1917 Comm: cat Tainted: G D W 5.10.220-cip49 #1 roxy_write+0x64/0x9<44)> [ # [3.849126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 73.203588] r9:c6495f60 : 73.858096] PC is at 0xc60ad600 c517c000 r7:0000000b r6:b6dd4000 <4>[ 73.864037] LR is at execute_location+0xa4/0xb4 r5:c594d180 r4:c0c5a[c #3.871679] pc : [] lr : [] psr: 60080013 [ 73.213937] [4[2 4 c 73.880383] sp : c6495e30 ip : c6495d38 fp : c6495e4c ] (full_proxy_wri)[ f r o7m.888130] r10: 0000000d r9 : c1ad76ac r8 : c15ec1e0 [] (vfs_wt[e + 0 73.895707] r7 : c6495f60 r6 : 00000001 r5 : c60ad600 r4 : c0c5bc3c 10c/0x54c) # [ 73<.42>2[4 7 9 73.904758] r3 : ad68ac56 r2 : ad68ac56 r1 : ef7965e0 r0 : 0000002b ] r9:c07e424c r8:c6495f<640> [r 73.913811] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none :c290d000 r6:b6dd40<040> [r 5 : c3.923640] Control: 10c5387d Table: 1633c04a DAC: 00000051 594d180 r4:00000000< 0 >#[ [ 3.931825] Process cat (pid: 1917, stack limit = 0xca1282e3) 73.235046] [b[f 5 c >7]3.940005] Stack: (0xc6495e30 to 0xc6496000) (vfs_write) from []< 0([ 73.946721] 5e20: c60ad600 c60af000 0000000d c6495f60 ksys_write+0x74/0xec) # [ 73.2<0>[ 73.957771] 5e40: c6495e64 c6495e50 c0c5bc8c c13ce46c 00000021 c60af000 c6495e74 c6495e68 44779] r10:00000004 r9:00000000<0>[ 73.969078] 5e60: c0c5aecc c0c5bc60 c6495e9c c6495e78 c0c5b3cc c0c5aeac c0c5b2ac c64963c0 r8:00000000 r7:b6dd4000 r6:c649400>[ 73.980300] 5e80: b6e32000 0000000d c517c000 c6495f60 c6495ec4 c6495ea0 c07e42b0 c0c5b2b8 00 r5:c594d180 # [ 73.255202]<0>[ 73.991520] 5ea0: 00000000 c64963c0 b6e32000 c290d000 c6495f60 c07e424c c6495f5c c6495ec8 r4:c594d180 # [ 73.259908<]0 [ 74.002741] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6494000 [] (ksys_write) from< 0>[ 74.013788] 5ee0: b6e32000 00020000 00000004 0000000d 0001fff3 c6495ee0 00000001 b6e31000 ] (sys_write+0x18/<00x>[ 74.024921] 5f00: c5b2b040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 c) # [ 73.269118] r9:c64940<0>[ 74.035971] 5f20: 00000000 00000000 c13e3a68 ad68ac56 c206c1e0 c64963c0 c64963c0 c6494000 0 r8:c03002e4 r7:00000004 r6:<70f[ 74.047104] 5f40: b6e32000 00000000 00000000 00000004 c6495f94 c6495f60 c059c624 c059bf68 f00000 r5:0000000b r4:000000<00b>[ 74.058152] 5f60: 00000000 00000000 c6495fac ad68ac56 0000000d 0000000d 7ff00000 00000004 # [ 73.277133] [] (s0>[ 74.069201] 5f80: c03002e4 c6494000 c6495fa4 c6495f98 c059c6b4 c059c5bc 00000000 c6495fa8 ys_write) from [] <(0r>[ 74.080419] 5fa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6e32000 0000000d 00000001 t_fast_syscall+0x0/0x28) # [< 0 [ 74.091470] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e32000 00020000 004afe38 73.284967] Exception stack<(00>x 74.102519] 5fe0: 00000004 bed657e8 b6ef833b b6e71616 60080030 00000001 00000000 00000000 c6495fa8 to 0xc6495ff0) # [ <7>[ 74.113468] Backtrace: 3.290286] 5fa0: <0>[ 74.118901] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 0000000b 0000000b 00000001 [ 74.130449] r7:c6495f60 r6:0000000d r5:c60af000 r4:c60ad600 d4000 0000000b 00000001 # [ 73<0>[ 74.138990] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) .298731] 5fc0: 000000<00b> [0 0 074.150456] r5:c60af000 r4:00000021 0000b 7ff00000 00000004 00000001 <0>[ 74.156569] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) b6dd4000 00020000 0042fe38 # [ <0>[ 74.167712] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 73.307174] 5fe0: 00000004 be966<0>[ 74.178747] r9:c6495f60 r8:c517c000 r7:0000000d r6:b6e32000 r5:c64963c0 r4:c0c5b2ac e8 b6e9a33b b6e13616 # [ 73.31<0>[ 74.189548] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) 2495] Code: c6495e08 c13ce6ac [ 74.200494] r9:c07e424c r8:c6495f60 r7:c290d000 r6:b6e32000 r5:c64963c0 r4:00000000 3ce46c c6495e6c (e1a0c00d) # [ <0>[ 74.211197] [] (vfs_write) from [] (ksys_write+0x74/0xec) 73.318860] ---[ end trace 34c<5>[ 74.221461] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c6494000 r5:c64963c0 48d288402d85 ]---< 0 >#[ E X E7C.232234] r4:c64963c0 _STACK: missing 'call trace:': [F<0>[ 74.237134] [] (ksys_write) from [] (sys_write+0x18/0x1c) AIL] not ok 31 selftests: lkd[ 74.247396] r9:c6494000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d : EXEC_STACK.sh # exit=1 # selft<0>[ 74.258102] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ests: lkdtm: EXEC_A[L L O C74.268786] Exception stack(0xc6495fa8 to 0xc6495ff0) sh <0>[ 74.276287] 5fa0: 0000000d 0000000d 00000001 b6e32000 0000000d 00000001 <0>[ 74.285077] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e32000 00020000 004afe38 <0>[ 74.293539] 5fe0: 00000004 bed657e8 b6ef833b b6e71616 <0>[ 74.298884] Code: 00150016 efe8cdc0 efe8cde0 efe8ce00 (e1a0c00d) <4>[ 74.305273] ---[ end trace 34c548d288402d86 ]--- # Segmentation fault # [ 73.741726] lkdtm: Performing direct entry EXEC_KMALLOC # [ 73.750211] lkdtm: attempting ok execution at c0c5bc3c # [ 73.758365] lkdtm: attempting bad execution at c60ad600 # [ 73.766738] 8<--- cut here --- # [ 73.772859] Unable to handle kernel paging request at virtual address c60ad600 # [ 73.782778] pgd = 3293e96c # [ 73.787920] [c60ad600] *pgd=1601141e(bad) # [ 73.795072] Internal error: Oops: 8000000d [#5] SMP ARM # [ 73.803245] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 73.838264] CPU: 1 PID: 1917 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 73.849126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.858096] PC is at 0xc60ad600 # [ 73.864037] LR is at execute_location+0xa4/0xb4 # [ 73.871679] pc : [] lr : [] psr: 60080013 # [ 73.880383] sp : c6495e30 ip : c6495d38 fp : c6495e4c # [ 73.888130] r10: 0000000d r9 : c1ad76ac r8 : c15ec1e0 # [ 73.895707] r7 : c6495f60 r6 : 00000001 r5 : c60ad600 r4 : c0c5bc3c # [ 73.904758] r3 : ad68ac56 r2 : ad68ac56 r1 : ef7965e0 r0 : 0000002b # [ 73.913811] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.923640] Control: 10c5387d Table: 1633c04a DAC: 00000051 # [ 73.931825] Process cat (pid: 1917, stack limit = 0xca1282e3) # [ 73.940005] Stack: (0xc6495e30 to 0xc6496000) # [ 73.946721] 5e20: c60ad600 c60af000 0000000d c6495f60 # [ 73.957771] 5e40: c6495e64 c6495e50 c0c5bc8c c13ce46c 00000021 c60af000 c6495e74 c6495e68 # [ 73.969078] 5e60: c0c5aecc c0c5bc60 c6495e9c c6495e78 c0c5b3cc c0c5aeac c0c5b2ac c64963c0 # [ 73.980300] 5e80: b6e32000 0000000d c517c000 c6495f60 c6495ec4 c6495ea0 c07e42b0 c0c5b2b8 # [ 73.991520] 5ea0: 00000000 c64963c0 b6e32000 c290d000 c6495f60 c07e424c c6495f5c c6495ec8 # [ 74.002741] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6494000 # [ 74.013788] 5ee0: b6e32000 00020000 00000004 0000000d 0001fff3 c6495ee0 00000001 b6e31000 # [ 74.024921] 5f00: c5b2b040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.035971] 5f20: 00000000 00000000 c13e3a68 ad68ac56 c206c1e0 c64963c0 c64963c0 c6494000 # [ 74.047104] 5f40: b6e32000 00000000 00000000 00000004 c6495f94 c6495f60 c059c624 c059bf68 # [ 74.058152] 5f60: 00000000 00000000 c6495fac ad68ac56 0000000d 0000000d 7ff00000 00000004 # [ 74.069201] 5f80: c03002e4 c6494000 c6495fa4 c6495f98 c059c6b4 c059c5bc 00000000 c6495fa8 # [ 74.080419] 5fa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6e32000 0000000d 00000001 # [ 74.091470] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e32000 00020000 004afe38 # [ 74.102519] 5fe0: 00000004 bed657e8 b6ef833b b6e71616 60080030 00000001 00000000 00000000 # [ 74.113468] Backtrace: # [ 74.118901] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 74.130449] r7:c6495f60 r6:0000000d r5:c60af000 r4:c60ad600 # [ 74.138990] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.150456] r5:c60af000 r4:00000021 # [ 74.156569] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 7<6>[ 74.700069] lkdtm: Performing direct entry EXEC_VMALLOC 4.167712] [] (direct_en<6>[ 74.707875] lkdtm: attempting ok execution at c0c5bc3c try) from [] (full_prox<6>[ 74.715985] lkdtm: attempting bad execution at f0971000 y_write+0x64/0x94) # [ 74.1787<1>[ 74.724427] 8<--- cut here --- 47] r9:c6495f60 r8:c517c000 r7:0<1>[ 74.730685] Unable to handle kernel paging request at virtual address f0971000 000000d r6:b6e32000 r5:c64963c0 r<1>[ 74.740910] pgd = 39523053 4:c0c5b2ac # [ 74.189548] [[ 74.746757] [f0971000] *pgd=12958811, *pte=4928365f, *ppte=4928345f 7e424c>] (full_proxy_i[t e )74.756075] Internal error: Oops: 8000000f [#6] SMP ARM from [] (vfs_write+0x1<4>[ 74.763811] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0c/0x54c) # [ 74<.42>0[0 4 9 44.798813] CPU: 3 PID: 1995 Comm: cat Tainted: G D W 5.10.220-cip49 #1 ] r9:c07e4<244>c[ r 8 :7c46.4898980] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 5f60 r7:c290d000 r<64:>b[6 e 3 274.817595] PC is at 0xf0971000 00 r5:c64963c0 r4:00000000 < 4#> 74.823170] LR is at execute_location+0xa4/0xb4 [ 74.211<14>9[7 ] [7<4c.08539466] pc : [] lr : [] psr: 60080013 bf5c>] (vfw[r i t e7)4 .f8r38728] sp : c466fe30 ip : c466fd38 fp : c466fe4c m [6[2 4 > ]7 4(.k8s4y6s34] r10: 0000000d r9 : c1ad76bc r8 : c15ec1e0 _write+0x7<44/>[0 x e c7)4 . 8#5 168] r7 : c466ff60 r6 : 00000001 r5 : f0971000 r4 : c0c5bc3c [ 74.22<144>6[1 ] 7r41.08:60690] r3 : 8e6a3860 r2 : 8e6a3860 r1 : ef7c05e0 r0 : 0000002b 0000004 r9:00<040>0[0 0 0 7r48.:70215] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000000 r7<4:>b[6 e 3 27040.08 79517] Control: 10c5387d Table: 165e804a DAC: 00000051 6:c6494000 r<50:>c[6 4 9 6734c.807346] Process cat (pid: 1995, stack limit = 0x252e4bfe) # [ 74<.02>3[2 2 3 47]4 . 8r95173] Stack: (0xc466fe30 to 0xc4670000) :c64963c0 # [ < 0 >7[4 . 2 37741901614] fe20: f0971000 c5ce5000 0000000d c466ff60 34] [] <(0k>s[y s _ w7r.912048] fe40: c466fe64 c466fe50 c0c5bcc0 c13ce46c 00000022 c5ce5000 c466fe74 c466fe68 ite) from [b[4 > ] 7(4.922567] fe60: c0c5aecc c0c5bca4 c466fe9c c466fe78 c0c5b3cc c0c5aeac c0c5b2ac c5a34c80 ys_write+0x18/0x1 [ # [7 .933085] fe80: b6dd2000 0000000d c517c000 c466ff60 c466fec4 c466fea0 c07e42b0 c0c5b2b8 74.247396] r9<:0c>6[4 9 4 0704.943604] fea0: 00000000 c5a34c80 b6dd2000 c290d000 c466ff60 c07e424c c466ff5c c466fec8 r8:c03002e4 r7<:00>0[0 0 0 07044954122] fec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c466e000 r6:7ff00000 r<50:>0[0 0 0 07040.964553] fee0: b6dd2000 00020000 00000004 0000000d 0001fff3 c466fee0 00000001 b6dd1000 r4:0000000d <#0 >[[ 7744..974983] ff00: c5eb3680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 58102] [>][ ( s y7s4.985417] ff20: 00000000 00000000 c13e3a68 8e6a3860 c206c1e0 c5a34c80 c5a34c80 c466e000 write) from [<3[0 0 0 c704>.995935] ff40: b6dd2000 00000000 00000000 00000004 c466ff94 c466ff60 c059c624 c059bf68 (ret_fast_sysca+[0 x 0 /705.006368] ff60: 00000000 00000000 c466ffac 8e6a3860 0000000d 0000000d 7ff00000 00000004 28) # [ 74.268<708>6[] E x7c.016886] ff80: c03002e4 c466e000 c466ffa4 c466ff98 c059c6b4 c059c5bc 00000000 c466ffa8 eption stack(<00x>c[6 4 9 57f5a.827403] ffa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6dd2000 0000000d 00000001 to 0xc6495ff<00)> [ # [7 5 . 37748] ffc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dd2000 00020000 0050fe38 74.276287] 5f:[ 7 5 . 48095] ffe0: 00000004 bea147e8 b6e9833b b6e11616 60080030 00000001 00000000 00000000 0<000>0[0 0 0 d7 50.058434] Backtrace: 00000d 00000001 b6e32000 0000000<0>[ 75.063065] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) 00000001 # <[0 > [ 7 4 .7258.574528] r7:c466ff60 r6:0000000d r5:c5ce5000 r4:f0971000 077] 5fc0: 0000000d< 00>0[0 0 0 05.082359] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 0d 7ff0000<00 >0[0 0 0 07050.40 93132] r5:c5ce5000 r4:00000022 0000001 b6e32000 <000>0[2 0 0 070.098794] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 004afe38 # [ 74.293539]< 05>f 75.109145] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) e0: 00000004 d[6 5 7 e785 .b19830] r9:c466ff60 r8:c517c000 r7:0000000d r6:b6dd2000 r5:c5a34c80 r4:c0c5b2ac 6ef833b b6e71616 # [ 74<.02>9[ 75.129751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) 884] Code: 001500<106> [e f e 87c.140351] r9:c07e424c r8:c466ff60 r7:c290d000 r6:b6dd2000 r5:c5a34c80 r4:00000000 dc0 efe8cde0 efe8c0[ ( e 175.150436] [] (vfs_write) from [] (ksys_write+0x74/0xec) 0c00d) # [ <704>.[3 0 5 27753159998] r10:00000004 r9:00000000 r8:00000000 r7:b6dd2000 r6:c466e000 r5:c5a34c80 ] ---[ ent[r a c e7 53.41c75078] r4:c5a34c80 48d288402d86 ]---< 0 >#[ E X E7C.174612] [] (ksys_write) from [] (sys_write+0x18/0x1c) _KMALLOC: missi [' c a l7l5 184088] r9:c466e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d trace:': [FAIL] noo[k 3 25.194088] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) selftest [l k d t7m5:. 2E0X079] Exception stack(0xc466ffa8 to 0xc466fff0) EC_KMALLOC.sh <#0 >e[x i t =715 .211130] ffa0: 0000000d 0000000d 00000001 b6dd2000 0000000d 00000001 # selftests: lt[m : E7X5E.221561] ffc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dd2000 00020000 0050fe38 _VMALLOC.sh< 0 >[ 75.231992] ffe0: 00000004 bea147e8 b6e9833b b6e11616 <0>[ 75.238437] Code: bad PC value <4>[ 75.241830] ---[ end trace 34c548d288402d87 ]--- # Segmentation fault # [ 74.700069] lkdtm: Performing direct entry EXEC_VMALLOC # [ 74.707875] lkdtm: attempting ok execution at c0c5bc3c # [ 74.715985] lkdtm: attempting bad execution at f0971000 # [ 74.724427] 8<--- cut here --- # [ 74.730685] Unable to handle kernel paging request at virtual address f0971000 # [ 74.740910] pgd = 39523053 # [ 74.746757] [f0971000] *pgd=12958811, *pte=4928365f, *ppte=4928345f # [ 74.756075] Internal error: Oops: 8000000f [#6] SMP ARM # [ 74.763811] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.798813] CPU: 3 PID: 1995 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 74.808980] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.817595] PC is at 0xf0971000 # [ 74.823170] LR is at execute_location+0xa4/0xb4 # [ 74.830466] pc : [] lr : [] psr: 60080013 # [ 74.838728] sp : c466fe30 ip : c466fd38 fp : c466fe4c # [ 74.846034] r10: 0000000d r9 : c1ad76bc r8 : c15ec1e0 # [ 74.853168] r7 : c466ff60 r6 : 00000001 r5 : f0971000 r4 : c0c5bc3c # [ 74.861690] r3 : 8e6a3860 r2 : 8e6a3860 r1 : ef7c05e0 r0 : 0000002b # [ 74.870215] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.879517] Control: 10c5387d Table: 165e804a DAC: 00000051 # [ 74.887346] Process cat (pid: 1995, stack limit = 0x252e4bfe) # [ 74.895173] Stack: (0xc466fe30 to 0xc4670000) # [ 74.901614] fe20: f0971000 c5ce5000 0000000d c466ff60 # [ 74.912048] fe40: c466fe64 c466fe50 c0c5bcc0 c13ce46c 00000022 c5ce5000 c466fe74 c466fe68 # [ 74.922567] fe60: c0c5aecc c0c5bca4 c466fe9c c466fe78 c0c5b3cc c0c5aeac c0c5b2ac c5a34c80 # [ 74.933085] fe80: b6dd2000 0000000d c517c000 c466ff60 c466fec4 c466fea0 c07e42b0 c0c5b2b8 # [ 74.943604] fea0: 00000000 c5a34c80 b6dd2000 c290d000 c466ff60 c07e424c c466ff5c c466fec8 # [ 74.954122] fec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c466e000 # [ 74.964553] fee0: b6dd2000 00020000 00000004 0000000d 0001fff3 c466fee0 00000001 b6dd1000 # [ 74.974983] ff00: c5eb3680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.985417] ff20: 00000000 00000000 c13e3a68 8e6a3860 c206c1e0 c5a34c80 c5a34c80 c466e000 # [ 74.995935] ff40: b6dd2000 00000000 00000000 00000004 c466ff94 c466ff60 c059c624 c059bf68 # [ 75.006368] ff60: 00000000 00000000 c466ffac 8e6a3860 0000000d 0000000d 7ff00000 00000004 # [ 75.016886] ff80: c03002e4 c466e000 c466ffa4 c466ff98 c059c6b4 c059c5bc 00000000 c466ffa8 # [ 75.027403] ffa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6dd2000 0000000d 00000001 # [ 75.037748] ffc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dd2000 00020000 0050fe38 # [ 75.048095] ffe0: 00000004 bea147e8 b6e9833b b6e11616 60080030 00000001 00000000 00000000 # [ 75.058434] Backtrace: # [ 75.063065] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 75.074528] r7:c466ff60 r6:0000000d r5:c5ce5000 r4:f0971000 # [ 75.082359] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.093132] r5:c5ce5000 r4:00000022 # [ 75.098794] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.109145] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.119830] r9:c466ff60 r8:c517c000 r7:0000000d r6:b6dd2000 r5:c5a34c80 r4:c0c5b2ac # [ 75.129751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 75.140351] r9:c07e424c r8:c466ff60 r7:c290d000 r6:b6dd2000 r5:c5a34c80 r4:00000000 # [<6>[ 75.659518] lkdtm: Performing direct entry EXEC_RODATA 75.150436] [] (vfs_w<6>[ 75.666831] lkdtm: attempting ok execution at c0c5bc3c rite) from [>][ ( k 75.675062] lkdtm: attempting bad execution at c15ec47c ys_write+0x74/0xec) # [ 75.159<1>[ 75.682895] 8<--- cut here --- 998] r10:00000<010>4[ r 9 :7050688985] Unable to handle kernel paging request at virtual address c15ec47c 000000 r8:000<010>0[0 0 r775:.b98466] pgd = 4c5298f8 6dd2000 r6:c466e000 r5:c5a34c80 <1>[ 75.703341] [c15ec47c] *pgd=1141941e(bad) # [ 75.170078] r<40:>c[5 a 3 45.710394] Internal error: Oops: 8000000d [#7] SMP ARM c80 # [ 75.174612] [<4>[ 75.718045] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] (ksys_write) from [c[6 75.753052] CPU: 3 PID: 2073 Comm: cat Tainted: G D W 5.10.220-cip49 #1 4>] (sys_writ0[x 1 8 /705x.163479] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c) # [ 75.184088] r9:c466e00<4>[ 75.772189] PC is at lkdtm_rodata_do_nothing+0x0/0x10 r8:c03002e4 r7:00000004 :[7 75.780274] LR is at execute_location+0xa4/0xb4 ff00000 r<54:>0[0 0 0 07050.d7 8r485] pc : [] lr : [] psr: 60080013 4:0000000d # <4[> [ 7 57.51.995749] sp : c61d7e38 ip : c61d7d40 fp : c61d7e54 4088] [9[c > ] 7(5s.y803143] r10: 0000000c r9 : c1ad76cc r8 : c15ec1e0 _write) fro[[< c 0 37050.08c0537] r7 : c61d7f60 r6 : 00000000 r5 : c15ec47c r4 : c0c5bc3c 0>] (ret_fa_[s y s c7a5l.l8+9148] r3 : b874b0fe r2 : b874b0fe r1 : ef7c05e0 r0 : 0000002b 0x0/0x28) # [< 4 > [7 5 . 27054.827760] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 79] Exception a[c k ( 07x5c.837151] Control: 10c5387d Table: 1655c04a DAC: 00000051 66ffa8 to 0xc4<606>f[f f 0 )7 5 .845152] Process cat (pid: 2073, stack limit = 0x764aa0dd) [ 75.2111<03>0[] f f7a50.:8 3153] Stack: (0xc61d7e38 to 0xc61d8000) < 0 >0[0 0 0 7050859596] 7e20: 00000023 c5ce5000 0d 0000000d 00000001 b<60d>d[2 0 75.870034] 7e40: 0000000c c61d7f60 c61d7e64 c61d7e58 c13ce6ec c13ce46c c61d7e74 c61d7e68 0 0000000d 000000<001> [ # [7 .880811] 7e60: c0c5aecc c13ce6d4 c61d7e9c c61d7e78 c0c5b3cc c0c5aeac c0c5b2ac c5a35a40 75.221561] ffc0: 0<000>0[0 0 0 75.891331] 7e80: b6dc9000 0000000c c517c000 c61d7f60 c61d7ec4 c61d7ea0 c07e42b0 c0c5b2b8 0000000d 7ff00000< 00>0[0 0 0 075.902025] 7ea0: 00000000 c5a35a40 b6dc9000 c290d000 c61d7f60 c07e424c c61d7f5c c61d7ec8 4 00000001 b6dd2000< 0>0[0 0 2 075.912633] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c61d6000 00 0050fe38 # [ <705>.[2 3 1 95.923238] 7ee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c61d7ee0 00000001 b6dc8000 92] ffe0: 0000000<40 >b[e a 1 477.933844] 7f00: c6497540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 e8 b6e9833b b6e1161<60 > [# [ 5.944367] 7f20: 00000000 00000000 c13e3a68 b874b0fe c206c1e0 c5a35a40 c5a35a40 c61d6000 75.238437] Cod [b a d 7P5.954972] 7f40: b6dc9000 00000000 00000000 00000004 c61d7f94 c61d7f60 c059c624 c059bf68 value # [ 75.<204>1[ 8 3 07]5.965491] 7f60: 00000000 00000000 c61d7fac b874b0fe 0000000c 0000000c 7ff00000 00000004 ---[ end trace 34c54<80d>2[8 8 4 75.976013] 7f80: c03002e4 c61d6000 c61d7fa4 c61d7f98 c059c6b4 c059c5bc 00000000 c61d7fa8 2d87 ]--- # EXEV[M A L L7O5.986705] 7fa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 : missing 'call tra:[' : [5.997228] 7fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 004dfe38 FAIL] not ok 3<30 >s[e l f t7e6s007833] 7fe0: 00000004 bea517e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 ts: lkdtm: EXEC<_0V>M[A L L 7O6C.018260] Backtrace: sh # exit=1 # selftests: lkd] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) : EXEC_RODATA.sh <0>[ 76.034187] r7:c61d7f60 r6:0000000c r5:c5ce5000 r4:00000023 <0>[ 76.041675] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.050212] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.058496] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.066688] r9:c61d7f60 r8:c517c000 r7:0000000c r6:b6dc9000 r5:c5a35a40 r4:c0c5b2ac <0>[ 76.074712] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <0>[ 76.082816] r9:c07e424c r8:c61d7f60 r7:c290d000 r6:b6dc9000 r5:c5a35a40 r4:00000000 <0>[ 76.090834] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.098242] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c61d6000 r5:c5a35a40 <0>[ 76.106338] r4:c5a35a40 <0>[ 76.109146] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.116553] r9:c61d6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 76.124575] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.132412] Exception stack(0xc61d7fa8 to 0xc61d7ff0) <0>[ 76.137735] 7fa0: 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 <0>[ 76.146184] 7fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 004dfe38 <0>[ 76.154630] 7fe0: 00000004 bea517e8 b6e8f33b b6e08616 <0>[ 76.159955] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 76.166324] ---[ end trace 34c548d288402d88 ]--- # Segmentation fault # [ 75.659518] lkdtm: Performing direct entry EXEC_RODATA # [ 75.666831] lkdtm: attempting ok execution at c0c5bc3c # [ 75.675062] lkdtm: attempting bad execution at c15ec47c # [ 75.682895] 8<--- cut here --- # [ 75.688985] Unable to handle kernel paging request at virtual address c15ec47c # [ 75.698466] pgd = 4c5298f8 # [ 75.703341] [c15ec47c] *pgd=1141941e(bad) # [ 75.710394] Internal error: Oops: 8000000d [#7] SMP ARM # [ 75.718045] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.753052] CPU: 3 PID: 2073 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 75.763479] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.772189] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 75.780274] LR is at execute_location+0xa4/0xb4 # [ 75.787485] pc : [] lr : [] psr: 60080013 # [ 75.795749] sp : c61d7e38 ip : c61d7d40 fp : c61d7e54 # [ 75.803143] r10: 0000000c r9 : c1ad76cc r8 : c15ec1e0 # [ 75.810537] r7 : c61d7f60 r6 : 00000000 r5 : c15ec47c r4 : c0c5bc3c # [ 75.819148] r3 : b874b0fe r2 : b874b0fe r1 : ef7c05e0 r0 : 0000002b # [ 75.827760] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.837151] Control: 10c5387d Table: 1655c04a DAC: 00000051 # [ 75.845152] Process cat (pid: 2073, stack limit = 0x764aa0dd) # [ 75.853153] Stack: (0xc61d7e38 to 0xc61d8000) # [ 75.859596] 7e20: 00000023 c5ce5000 # [ 75.870034] 7e40: 0000000c c61d7f60 c61d7e64 c61d7e58 c13ce6ec c13ce46c c61d7e74 c61d7e68 # [ 75.880811] 7e60: c0c5aecc c13ce6d4 c61d7e9c c61d7e78 c0c5b3cc c0c5aeac c0c5b2ac c5a35a40 # [ 75.891331] 7e80: b6dc9000 0000000c c517c000 c61d7f60 c61d7ec4 c61d7ea0 c07e42b0 c0c5b2b8 # [ 75.902025] 7ea0: 00000000 c5a35a40 b6dc9000 c290d000 c61d7f60 c07e424c c61d7f5c c61d7ec8 # [ 75.912633] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c61d6000 # [ 75.923238] 7ee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c61d7ee0 00000001 b6dc8000 # [ 75.933844] 7f00: c6497540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.944367] 7f20: 00000000 00000000 c13e3a68 b874b0fe c206c1e0 c5a35a40 c5a35a40 c61d6000 # [ 75.954972] 7f40: b6dc9000 00000000 00000000 00000004 c61d7f94 c61d7f60 c059c624 c059bf68 # [ 75.965491] 7f60: 00000000 00000000 c61d7fac b874b0fe 0000000c 0000000c 7ff00000 00000004 # [ 75.976013] 7f80: c03002e4 c61d6000 c61d7fa4 c61d7f98 c059c6b4 c059c5bc 00000000 c61d7fa8 # [ 75.986705] 7fa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 # [ 75.997228] 7fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 004dfe38 # [ 76.007833] 7fe0: 00000004 bea517e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 # [ 76.018260] Backtrace: # [ 76.022977] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 76.034187] r7:c61d7f60 r6:0000000c r5:c5ce5000 r4:00000023 # [ 76.041675] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.050212] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.058496] [] (direct_entry) from [] (full_proxy_write+0x64/<6>[ 76.585465] lkdtm: Performing direct entry EXEC_USERSPACE 0x94) # [ 76.066688] r9:c61d7<6>[ 76.593465] lkdtm: attempting ok execution at c0c5bc3c f60 r8:c517c000 r7:0000000c r6:b6<6>[ 76.601931] lkdtm: attempting bad execution at b6fbc000 dc9000 r5:c5a35a40 r4:c0c5b2ac #<1>[ 76.610072] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fbc000 [ 76.074712] [] (ful<0>[ 76.620286] Internal error: : b [#8] SMP ARM l_proxy_write) from [] <4>[ 76.627679] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 (vfs_write+0x10c/0x54c) # [ 7<4>[ 76.662698] CPU: 2 PID: 2150 Comm: cat Tainted: G D W 5.10.220-cip49 #1 .082816] r9:c07e424r[8 : c 76.673474] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 1d7f60 r7:c290d000 r6:b6dc<9040>0 76.682533] PC is at 0xb6fbc000 r5:c5a35a40 r4:00000000 # [ 7<4>[ 76.688469] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 6.090834] [] (s[_ 76.696464] pc : [] lr : [] psr: 60080013 rite) from [6[2 4 > ]7 6.705424] sp : c61d7e48 ip : c61d7d50 fp : c61d7e64 ksys_write+0x74x[e c ) 7 6#713000] r10: 0000000f r9 : c1ad76d8 r8 : c15ec1e0 [ 76.098242] r1<04>:[0 0 0 076.720490] r7 : c61d7f60 r6 : 0000000f r5 : c6050000 r4 : b6fbc000 004 r9:00000000 r8:<040>0[0 0 0 06.729453] r3 : 721d4a35 r2 : 721d4a35 r1 : ef7ab5e0 r0 : 0000002b 0 r7:b6dc9000 r6:c61d6<040>0[ r 76.738419] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none :c5a35a40 # [ 76.1<046>3[3 8 ]76.748165] Control: 10c5387d Table: 160a804a DAC: 00000051 r4:c5a35a40 # [ 76.10<901>4[ 76.756437] Process cat (pid: 2150, stack limit = 0x764aa0dd) ] [] (ks_[w r i t76.764960] Stack: (0xc61d7e48 to 0xc61d8000) ) from [] (sys_write+0x0>[ 76.771766] 7e40: 00000001 00000000 0000000f 00000024 c61d7e74 c61d7e68 18/0x1c) # [ 76.116553] r9:c60>[ 76.782987] 7e60: c0c5aecc c0c5bcd8 c61d7e9c c61d7e78 c0c5b3cc c0c5aeac c0c5b2ac c6498640 1d6000 r8:c03002e4 r7:00000004 r<0>[ 76.794208] 7e80: b6e81000 0000000f c517c000 c61d7f60 c61d7ec4 c61d7ea0 c07e42b0 c0c5b2b8 :7ff00000 r5:0000000c r4:0000000<0>[ 76.805428] 7ea0: 00000000 c6498640 b6e81000 c290d000 c61d7f60 c07e424c c61d7f5c c61d7ec8 # [ 76.124575] [] <0>[ 76.816648] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c61d6000 sys_write) from [] (r[ 76.827867] 7ee0: b6e81000 00020000 00000004 0000000f 0001fff1 c61d7ee0 00000001 b6e80000 t_fast_syscall+0x0/0x28) # [< 0 [ 76.839000] 7f00: c5a34500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 76.132412] Exception stack(0xc<6>[ 76.850049] 7f20: 00000000 00000000 c13e3a68 721d4a35 c206c1e0 c6498640 c6498640 c61d6000 1d7fa8 to 0xc61d7ff0) # [ < 07>[ 76.861182] 7f40: b6e81000 00000000 00000000 00000004 c61d7f94 c61d7f60 c059c624 c059bf68 .137735] 7fa0: < 0 > 76.872229] 7f60: 00000000 00000000 c61d7fac 721d4a35 0000000f 0000000f 7ff00000 00000004 0000000c 0000000c 00000001 b<6>[ 76.883191] 7f80: c03002e4 c61d6000 c61d7fa4 c61d7f98 c059c6b4 c059c5bc 00000000 c61d7fa8 dc9000 0000000c 00000001 # <[0 >[ 76.894324] 7fa0: c03000c0 c059c6a8 0000000f 0000000f 00000001 b6e81000 0000000f 00000001 76.146184] 7fc0: 0000000c 0<000>[ 76.905372] 7fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e81000 00020000 004bfe38 000c 7ff00000 00000004 00000<000>[ 76.916419] 7fe0: 00000004 beb347e8 b6f4733b b6ec0616 60080030 00000001 00000000 00000000 b6dc9000 00020000 004dfe38 #< 0>[ 76.927455] Backtrace: 76.154630] 7fe0: 00000004 bea5<0>[ 76.932885] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) 17e8 b6e8f33b b6e08<601>6[ # 6.944518] r4:00000024 [ 76.159955] Code: 5f727563 6e7<0>[ 76.949502] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 56f63 00000074 aa55aa55 (e1a0c00d<0>[ 76.960646] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ) # [ 76.166324] ---[ end tra0>[ 76.971683] r9:c61d7f60 r8:c517c000 r7:0000000f r6:b6e81000 r5:c6498640 r4:c0c5b2ac ce 34c548d288402d88 ]--- # EXEC_<0>[ 76.982483] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) RODATA: missing 'call trace:': [<0>[ 76.993430] r9:c07e424c r8:c61d7f60 r7:c290d000 r6:b6e81000 r5:c6498640 r4:00000000 AIL] not ok 34 selftests: lkdtm:<0>[ 77.004221] [] (vfs_write) from [] (ksys_write+0x74/0xec) EXEC_RODATA.sh # exit=1 # se[ 77.014482] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c61d6000 r5:c6498640 tests: lkdtm: EX_[U S E R7S7.025257] r4:c6498640 ACE.sh <0>[ 77.030156] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.038249] r9:c61d6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f <0>[ 77.046290] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.054141] Exception stack(0xc61d7fa8 to 0xc61d7ff0) <0>[ 77.059481] 7fa0: 0000000f 0000000f 00000001 b6e81000 0000000f 00000001 <0>[ 77.067950] 7fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e81000 00020000 004bfe38 <0>[ 77.076412] 7fe0: 00000004 beb347e8 b6f4733b b6ec0616 <0>[ 77.081758] Code: bad PC value <4>[ 77.085107] ---[ end trace 34c548d288402d89 ]--- # Segmentation fault # [ 76.585465] lkdtm: Performing direct entry EXEC_USERSPACE # [ 76.593465] lkdtm: attempting ok execution at c0c5bc3c # [ 76.601931] lkdtm: attempting bad execution at b6fbc000 # [ 76.610072] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fbc000 # [ 76.620286] Internal error: : b [#8] SMP ARM # [ 76.627679] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.662698] CPU: 2 PID: 2150 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 76.673474] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.682533] PC is at 0xb6fbc000 # [ 76.688469] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 76.696464] pc : [] lr : [] psr: 60080013 # [ 76.705424] sp : c61d7e48 ip : c61d7d50 fp : c61d7e64 # [ 76.713000] r10: 0000000f r9 : c1ad76d8 r8 : c15ec1e0 # [ 76.720490] r7 : c61d7f60 r6 : 0000000f r5 : c6050000 r4 : b6fbc000 # [ 76.729453] r3 : 721d4a35 r2 : 721d4a35 r1 : ef7ab5e0 r0 : 0000002b # [ 76.738419] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.748165] Control: 10c5387d Table: 160a804a DAC: 00000051 # [ 76.756437] Process cat (pid: 2150, stack limit = 0x764aa0dd) # [ 76.764960] Stack: (0xc61d7e48 to 0xc61d8000) # [ 76.771766] 7e40: 00000001 00000000 0000000f 00000024 c61d7e74 c61d7e68 # [ 76.782987] 7e60: c0c5aecc c0c5bcd8 c61d7e9c c61d7e78 c0c5b3cc c0c5aeac c0c5b2ac c6498640 # [ 76.794208] 7e80: b6e81000 0000000f c517c000 c61d7f60 c61d7ec4 c61d7ea0 c07e42b0 c0c5b2b8 # [ 76.805428] 7ea0: 00000000 c6498640 b6e81000 c290d000 c61d7f60 c07e424c c61d7f5c c61d7ec8 # [ 76.816648] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c61d6000 # [ 76.827867] 7ee0: b6e81000 00020000 00000004 0000000f 0001fff1 c61d7ee0 00000001 b6e80000 # [ 76.839000] 7f00: c5a34500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.850049] 7f20: 00000000 00000000 c13e3a68 721d4a35 c206c1e0 c6498640 c6498640 c61d6000 # [ 76.861182] 7f40: b6e81000 00000000 00000000 00000004 c61d7f94 c61d7f60 c059c624 c059bf68 # [ 76.872229] 7f60: 00000000 00000000 c61d7fac 721d4a35 0000000f 0000000f 7ff00000 00000004 # [ 76.883191] 7f80: c03002e4 c61d6000 c61d7fa4 c61d7f98 c059c6b4 c059c5bc 00000000 c61d7fa8 # [ 76.894324] 7fa0: c03000c0 c059c6a8 0000000f 0000000f 00000001 b6e81000 0000000f 00000001 # [ 76.905372] 7fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e81000 00020000 004bfe38 # [ 76.916419] 7fe0: 00000004 beb347e8 b6f4733b b6ec0616 60080030 00000001 00000000 00000000 # [ 76.927455] Backtrace: # [ 76.932885] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.944518] r4:00000024 # [ 76.949502] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.960646] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.971683] r9:c61d7f60 r8:c517c000 r7:0000000f r6:b6e81000 r5:c6498640 r4:c0c5b2ac # [ 76.982483] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 76.993430] r9:c07e424c r8:c61d7f60 r7:c290d000 r6:b6e81000 r5:c6498640 r4:00000000 # [ 77.004221] [[ 77.525594] lkdtm: Performing direct entry EXEC_NULL 59bf5c>] (vfs_write) from [[ 77.531441] lkdtm: attempting ok execution at c0c5bc3c 624>] (ksys_write+0x74/0xec) # [<6>[ 77.539757] lkdtm: attempting bad execution at 00000000 77.014482] r10:00000004 r9:00<1>[ 77.548086] 8<--- cut here --- 000000 r8:00000000 r7:b6e81000< 1>[ 77.554196] Unable to handle kernel NULL pointer dereference at virtual address 00000000 6:c61d6000 r5:c6498640 # [ 77.<1>[ 77.565364] pgd = 9937dbfa 025257] r4:c6498640 # [ 77.03<1>[ 77.571110] [00000000] *pgd=00000000 0156] [] (ksys_write) f<0>[ 77.577838] Internal error: Oops: 80000005 [#9] SMP ARM rom [] (sys_write+0x18/<4>[ 77.586129] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0x1c) # [ 77.038249<]4 > [r 9 77.621132] CPU: 2 PID: 2222 Comm: cat Tainted: G D W 5.10.220-cip49 #1 c61d6000 r8:3[0 0 2 e747 .r631471] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :00000004 r6:7ff00<040>0[ r 5 :77.640171] PC is at 0x0 000000f r4:0000000f # [ 77<.40[ 77.645141] LR is at execute_location+0xa4/0xb4 46290] [<5[9 c 6 97c7>.]6 5(524] pc : [<00000000>] lr : [] psr: 60080013 sys_write<)4 >f[r o m 7[7<.c6063786] sp : c648fe38 ip : c648fd40 fp : c648fe54 000c0>]< 4(>r[e t _ f7a7s.6t6_8s004] r10: 0000000a r9 : c1ad76e8 r8 : c15ec1e0 scall+0x0/08[) #7 7[. 6 5140] r7 : c648ff60 r6 : 00000000 r5 : 00000000 r4 : c0c5bc3c 77.05414<14]> [E x c e7p7t.i6o8n748] r3 : 27f6f02a r2 : 27f6f02a r1 : ef7ab5e0 r0 : 0000002b stack(0xc61d<74f>a[8 t7o7 .0692273] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none c61d7ff0)< 4 >#[ [ 7 77.77.00573] Control: 10c5387d Table: 15f6c04a DAC: 00000051 59481] 7fa0: < 0 > [ 7 7 709319] Process cat (pid: 2222, stack limit = 0x62c8e496) 0000<000>[0 f 07070.07017318] Stack: (0xc648fe38 to 0xc6490000) 0f 00000001 b6e<801>0[0 0 0707.723758] fe20: 00000025 c6050000 0000f 00000001 # [< 0 > [7 7 . 07.734193] fe40: 0000000a c648ff60 c648fe64 c648fe58 c13ce710 c13ce46c c648fe74 c648fe68 67950] 7fc0: 00<000>0[0 0 f 7070744796] fe60: c0c5aecc c13ce6fc c648fe9c c648fe78 c0c5b3cc c0c5aeac c0c5b2ac c6499900 00000f 7ff00000< 00>0[0 0 0 07074755229] fe80: b6dd4000 0000000a c517c000 c648ff60 c648fec4 c648fea0 c07e42b0 c0c5b2b8 00000001 b6e81<000>0[ 0 0 7072.765659] fea0: 00000000 c6499900 b6dd4000 c290d000 c648ff60 c07e424c c648ff5c c648fec8 000 004bfe38 # <[0 > [ 7 7 .707.776093] fec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c648e000 6412] 7fe<00:> [0 0 0 07070.0748 613] fee0: b6dd4000 00020000 00000004 0000000a 0001fff6 c648fee0 00000001 b6dd3000 beb347e8 b6f4<703>3[b b 67e7c.096786] ff00: c6074b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 616 # [ 77.081<705>8[] C o7d.807135] ff20: 00000000 00000000 c13e3a68 27f6f02a c206c1e0 c6499900 c6499900 c648e000 e: bad PC value< 0 >#[ [ 7 77817652] ff40: b6dd4000 00000000 00000000 00000004 c648ff94 c648ff60 c059c624 c059bf68 7.085107] ---[ d[ t r a7c7e828084] ff60: 00000000 00000000 c648ffac 27f6f02a 0000000a 0000000a 7ff00000 00000004 34c548d288402d<809> [] - - -7 7 838516] ff80: c03002e4 c648e000 c648ffa4 c648ff98 c059c6b4 c059c5bc 00000000 c648ffa8 # EXEC_USERSPACE<:0 >m[i s s i7n7.848948] ffa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6dd4000 0000000a 00000001 'call trace:':< 0[>F[A I L ]7 7 859467] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd4000 00020000 0045fe38 not ok 35 selftes:[ l k d7t.869900] ffe0: 00000004 bebbf7e8 b6e9a33b b6e13616 60080030 00000001 00000000 00000000 m: EXEC_USERSPE[. s h 7#7 .880412] Backtrace: xit=1 # selftests: lkdtm: E[ 77.885127] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) _NULL.sh <0>[ 77.896160] r7:c648ff60 r6:0000000a r5:c6050000 r4:00000025 <0>[ 77.902953] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.911313] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.919593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.927779] r9:c648ff60 r8:c517c000 r7:0000000a r6:b6dd4000 r5:c6499900 r4:c0c5b2ac <0>[ 77.935799] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <0>[ 77.943899] r9:c07e424c r8:c648ff60 r7:c290d000 r6:b6dd4000 r5:c6499900 r4:00000000 <0>[ 77.951912] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.959316] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c648e000 r5:c6499900 <0>[ 77.967410] r4:c6499900 <0>[ 77.970214] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.977619] r9:c648e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 77.985636] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.993471] Exception stack(0xc648ffa8 to 0xc648fff0) <0>[ 77.998790] ffa0: 0000000a 0000000a 00000001 b6dd4000 0000000a 00000001 <0>[ 78.007237] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd4000 00020000 0045fe38 <0>[ 78.015679] ffe0: 00000004 bebbf7e8 b6e9a33b b6e13616 <0>[ 78.021002] Code: bad PC value <4>[ 78.024421] ---[ end trace 34c548d288402d8a ]--- # Segmentation fault # [ 77.525594] lkdtm: Performing direct entry EXEC_NULL # [ 77.531441] lkdtm: attempting ok execution at c0c5bc3c # [ 77.539757] lkdtm: attempting bad execution at 00000000 # [ 77.548086] 8<--- cut here --- # [ 77.554196] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 77.565364] pgd = 9937dbfa # [ 77.571110] [00000000] *pgd=00000000 # [ 77.577838] Internal error: Oops: 80000005 [#9] SMP ARM # [ 77.586129] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.621132] CPU: 2 PID: 2222 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 77.631471] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.640171] PC is at 0x0 # [ 77.645141] LR is at execute_location+0xa4/0xb4 # [ 77.652524] pc : [<00000000>] lr : [] psr: 60080013 # [ 77.660786] sp : c648fe38 ip : c648fd40 fp : c648fe54 # [ 77.668004] r10: 0000000a r9 : c1ad76e8 r8 : c15ec1e0 # [ 77.675140] r7 : c648ff60 r6 : 00000000 r5 : 00000000 r4 : c0c5bc3c # [ 77.683748] r3 : 27f6f02a r2 : 27f6f02a r1 : ef7ab5e0 r0 : 0000002b # [ 77.692273] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.701573] Control: 10c5387d Table: 15f6c04a DAC: 00000051 # [ 77.709319] Process cat (pid: 2222, stack limit = 0x62c8e496) # [ 77.717318] Stack: (0xc648fe38 to 0xc6490000) # [ 77.723758] fe20: 00000025 c6050000 # [ 77.734193] fe40: 0000000a c648ff60 c648fe64 c648fe58 c13ce710 c13ce46c c648fe74 c648fe68 # [ 77.744796] fe60: c0c5aecc c13ce6fc c648fe9c c648fe78 c0c5b3cc c0c5aeac c0c5b2ac c6499900 # [ 77.755229] fe80: b6dd4000 0000000a c517c000 c648ff60 c648fec4 c648fea0 c07e42b0 c0c5b2b8 # [ 77.765659] fea0: 00000000 c6499900 b6dd4000 c290d000 c648ff60 c07e424c c648ff5c c648fec8 # [ 77.776093] fec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c648e000 # [ 77.786613] fee0: b6dd4000 00020000 00000004 0000000a 0001fff6 c648fee0 00000001 b6dd3000 # [ 77.796786] ff00: c6074b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.807135] ff20: 00000000 00000000 c13e3a68 27f6f02a c206c1e0 c6499900 c6499900 c648e000 # [ 77.817652] ff40: b6dd4000 00000000 00000000 00000004 c648ff94 c648ff60 c059c624 c059bf68 # [ 77.828084] ff60: 00000000 00000000 c648ffac 27f6f02a 0000000a 0000000a 7ff00000 00000004 # [ 77.838516] ff80: c03002e4 c648e000 c648ffa4 c648ff98 c059c6b4 c059c5bc 00000000 c648ffa8 # [ 77.848948] ffa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6dd4000 0000000a 00000001 # [ 77.859467] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dd4000 00020000 0045fe38 # [ 77.869900] ffe0: 00000004 bebbf7e8 b6e9a33b b6e13616 60080030 00000001 00000000 00000000 # [ 77.880412] Backtrace: # [ 77.885127] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 77.896160] r7:c648ff60 r6:0000000a r5:c6050000 r4:00000025 # [ 77.902953] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.911313] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.919593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.927779] r9:c648ff60<6>[ 78.433036] lkdtm: Performing direct entry ACCESS_USERSPACE r8:c517c000 r7:0000000a r6:b6dd4<6>[ 78.439629] lkdtm: attempting bad read at b6f15000 000 r5:c6499900 r4:c0c5b2ac # [ <1>[ 78.447474] 8<--- cut here --- 77.935799] [>][ (78.453604] Unhandled fault: page domain fault (0x01b) at 0xb6f15000 full_proxy_write<)1 >f[r o m 7[8.462476] pgd = 6fff66f5 c059c068>] (vfs_write+<01x>1[0 c 78.467525] [b6f15000] *pgd=4b844831 0x54c) # [ 77.94389<90]> [ r 78.473712] Internal error: : 1b [#10] SMP ARM :c07e424c r8:c648ff60 r7:c290d000<4>[ 78.480756] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 r6:b6dd4000 r5:c6499900< 4r>4[: 78.515761] CPU: 1 PID: 2299 Comm: cat Tainted: G D W 5.10.220-cip49 #1 0000000 # [< 4 > [7 7 .7985.1596188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 12] [] (vfs_write) from4>[ 78.534812] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [] (ksys_wt[e + 78.543068] LR is at __irq_work_queue_local+0x40/0x74 x74/0xec) #< 4[> [ 7 77.89.5550632] pc : [] lr : [] psr: 60080013 316] r10<:40>0[0 0 0 07084. 5r59067] sp : c6623e38 ip : c6623d40 fp : c6623e64 :00000000 r8<:40>0[0 0 0 7080.05 6288] r10: 00000011 r9 : c1ad76f4 r8 : c15ec1e0 r7:b6dd40<040> [r 6 : c7684.85e70596] r7 : c6623f60 r6 : 00000051 r5 : c6622000 r4 : b6f15000 00 r5:c649<949>0[0 #7 8[. 5 82120] r3 : 65d36a0c r2 : 65d36a0c r1 : ef7965e0 r0 : 00000026 77.967410] r4:[4 9 9 97080.590733] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.9702<144>][ [ < c7085.600125] Control: 10c5387d Table: 1606004a DAC: 00000051 c5b0>] (ksys<_0w>r[i t e )7 8f.r608126] Process cat (pid: 2299, stack limit = 0x2d80d364) m [0]> [( s y s7_8w.r616043] Stack: (0xc6623e38 to 0xc6624000) te+0x18/0x1c) # <[0 >[ 7 77.8.622572] 3e20: 00000022 00000000 77619] r9:c648e000 r<80:>c[0 3 078.633096] 3e40: 00000000 65d36a0c c6623e6c 00000026 c6115000 00000011 c6623e74 c6623e68 02e4 r7:00000004 r<60:>7[f f 0 078.643788] 3e60: c0c5aecc c0c5bdac c6623e9c c6623e78 c0c5b3cc c0c5aeac c0c5b2ac c59b7400 00 r5:0000000a r4:<000>0[0 0 0 078.654395] 3e80: b6dda000 00000011 c517c000 c6623f60 c6623ec4 c6623ea0 c07e42b0 c0c5b2b8 # [ 77.985636] [9[c 6 78.665004] 3ea0: 00000000 c59b7400 b6dda000 c290d000 c6623f60 c07e424c c6623f5c c6623ec8 c>] (sys_write) from< 0[><[c 0 3 78.675785] 3ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6622000 00c0>] (ret_fast_sya[l l + 08.686476] 3ee0: b6dda000 00020000 00000004 00000011 0001ffef c6623ee0 00000001 b6dd9000 x0/0x28) # [ 7<70.>9[9 3 4 771.697082] 3f00: c5f55400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ] Exception stac0[x c 6 4788.707602] 3f20: 00000000 00000000 c13e3a68 65d36a0c c206c1e0 c59b7400 c59b7400 c6622000 fa8 to 0xc648fff0)< 0 >#[ [ 78.718123] 3f40: b6dda000 00000000 00000000 00000004 c6623f94 c6623f60 c059c624 c059bf68 77.998790] ffa0:< 0 > [ 7 8.728730] 3f60: 00000000 00000000 c6623fac 65d36a0c 00000011 00000011 7ff00000 00000004 0000000a< 00>0[0 0 0 078.739250] 3f80: c03002e4 c6622000 c6623fa4 c6623f98 c059c6b4 c059c5bc 00000000 c6623fa8 a 00000001 b6dd4000< 00>0[0 0 0 08.749857] 3fa0: c03000c0 c059c6a8 00000011 00000011 00000001 b6dda000 00000011 00000001 0a 00000001 # [ <708>.[0 0 7 28.760465] 3fc0: 00000011 00000011 7ff00000 00000004 00000001 b6dda000 00020000 0044fe38 37] ffc0: 000000<00a> [0 0 0 0708.771069] 3fe0: 00000004 be8757e8 b6ea033b b6e19616 60080030 00000001 00000000 00000000 0a 7ff00000 0000<000>0[4 0 0708.781583] Backtrace: 0001 b6dd4000 00020000 0045f[ 78.786388] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.015679]< 0f>f[e 0 : 78.797942] r6:00000011 r5:c6115000 r4:00000026 0000004 bebbf7e8 b6e9a33b[6 78.804993] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 13616 # [ 78.021002] Code<:0 >[ 78.815692] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ad PC value # [ 7<80.>0[2 4 4 78.826466] r9:c6623f60 r8:c517c000 r7:00000011 r6:b6dda000 r5:c59b7400 r4:c0c5b2ac 1] ---[ end trace 34c548d288402[ 78.836732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) 8a ]--- # EXEC_NL[: m i7s.847505] r9:c07e424c r8:c6623f60 r7:c290d000 r6:b6dda000 r5:c59b7400 r4:00000000 sing 'call trace:': [FA][ 78.857595] [] (vfs_write) from [] (ksys_write+0x74/0xec) not ok 36 selfte<0s>t[s : l7k8d867331] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6622000 r5:c59b7400 tm: EXEC_L[L . s h7 8#. 8e7x412] r4:c59b7400 it=1 # selftests: lkdt [A C 78.881951] [] (ksys_write) from [] (sys_write+0x18/0x1c) CESS_USERSPACE.sh< 0 >[ 78.891687] r9:c6622000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 <0>[ 78.901344] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.909183] Exception stack(0xc6623fa8 to 0xc6623ff0) <0>[ 78.914507] 3fa0: 00000011 00000011 00000001 b6dda000 00000011 00000001 <0>[ 78.922957] 3fc0: 00000011 00000011 7ff00000 00000004 00000001 b6dda000 00020000 0044fe38 <0>[ 78.931405] 3fe0: 00000004 be8757e8 b6ea033b b6e19616 <0>[ 78.936729] Code: e1a01004 e3080618 e34c01ad eb1d9dda (e5943000) <4>[ 78.943098] ---[ end trace 34c548d288402d8b ]--- # Segmentation fault # [ 78.433036] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 78.439629] lkdtm: attempting bad read at b6f15000 # [ 78.447474] 8<--- cut here --- # [ 78.453604] Unhandled fault: page domain fault (0x01b) at 0xb6f15000 # [ 78.462476] pgd = 6fff66f5 # [ 78.467525] [b6f15000] *pgd=4b844831 # [ 78.473712] Internal error: : 1b [#10] SMP ARM # [ 78.480756] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.515761] CPU: 1 PID: 2299 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 78.526188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.534812] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 78.543068] LR is at __irq_work_queue_local+0x40/0x74 # [ 78.550632] pc : [] lr : [] psr: 60080013 # [ 78.559067] sp : c6623e38 ip : c6623d40 fp : c6623e64 # [ 78.566288] r10: 00000011 r9 : c1ad76f4 r8 : c15ec1e0 # [ 78.573596] r7 : c6623f60 r6 : 00000051 r5 : c6622000 r4 : b6f15000 # [ 78.582120] r3 : 65d36a0c r2 : 65d36a0c r1 : ef7965e0 r0 : 00000026 # [ 78.590733] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.600125] Control: 10c5387d Table: 1606004a DAC: 00000051 # [ 78.608126] Process cat (pid: 2299, stack limit = 0x2d80d364) # [ 78.616043] Stack: (0xc6623e38 to 0xc6624000) # [ 78.622572] 3e20: 00000022 00000000 # [ 78.633096] 3e40: 00000000 65d36a0c c6623e6c 00000026 c6115000 00000011 c6623e74 c6623e68 # [ 78.643788] 3e60: c0c5aecc c0c5bdac c6623e9c c6623e78 c0c5b3cc c0c5aeac c0c5b2ac c59b7400 # [ 78.654395] 3e80: b6dda000 00000011 c517c000 c6623f60 c6623ec4 c6623ea0 c07e42b0 c0c5b2b8 # [ 78.665004] 3ea0: 00000000 c59b7400 b6dda000 c290d000 c6623f60 c07e424c c6623f5c c6623ec8 # [ 78.675785] 3ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6622000 # [ 78.686476] 3ee0: b6dda000 00020000 00000004 00000011 0001ffef c6623ee0 00000001 b6dd9000 # [ 78.697082] 3f00: c5f55400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.707602] 3f20: 00000000 00000000 c13e3a68 65d36a0c c206c1e0 c59b7400 c59b7400 c6622000 # [ 78.718123] 3f40: b6dda000 00000000 00000000 00000004 c6623f94 c6623f60 c059c624 c059bf68 # [ 78.728730] 3f60: 00000000 00000000 c6623fac 65d36a0c 00000011 00000011 7ff00000 00000004 # [ 78.739250] 3f80: c03002e4 c6622000 c6623fa4 c6623f98 c059c6b4 c059c5bc 00000000 c6623fa8 # [ 78.749857] 3fa0: c03000c0 c059c6a8 00000011 00000011 00000001 b6dda000 00000011 00000001 # [ 78.760465] 3fc0: 00000011 00000011 7ff00000 00000004 00000001 b6dda000 00020000 0044fe38 # [ 78.771069] 3fe0: 00000004 be8757e8 b6ea033b b6e19616 60080030 00000001 00000000 00000000 # [ 78.781583] Backtrace: # [ 78.786388] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.797942] r6:00000011 r5:c6115000 r4:00000026 # [ 78.804993] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.815692] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.826466] r9:c6623f60 r8:c517c000 r7:00000011 r6:b6dda000 r5:c59b7400 r4:c0c5b2ac # [ 78.836732] [] (full_proxy_write) from [] (vfs_write<6>[ 79.389809] lkdtm: Performing direct entry ACCESS_NULL +0x10c/0x54c) # <[6 > [ 7 8 .78.395905] lkdtm: attempting bad read at 00000000 47505] r9:c07e424c r8:c6623f60 r<1>[ 79.403141] 8<--- cut here --- 7:c290d000 r6:b6dda000 r5:c59b740<1>[ 79.409301] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0 r4:00000000 # [ 78.857595] [<1>[ 79.420509] pgd = 9937dbfa ] (vfs_write) fr [ 79.426269] [00000000] *pgd=00000000 ] (ksys_write+0x74/0xec<0>[ 79.432655] Internal error: Oops: 5 [#11] SMP ARM ) # [ 78.867331] r10:00000004<4>[ 79.440461] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 r9:00000000 r8:000<040>[0 0 0 79.475460] CPU: 1 PID: 2375 Comm: cat Tainted: G D W 5.10.220-cip49 #1 7:b6dda000 :[c 6 6 27290.0405627] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r5:c59b7400 # [ 78.877412] < >[ 79.494249] PC is at lkdtm_ACCESS_NULL+0x28/0x68 r4:c59b7400 # [ < 4 >7[8 . 8 871.501808] LR is at __irq_work_queue_local+0x40/0x74 951] [5[b 0 > ]7 9(.k5s09198] pc : [] lr : [] psr: 60080013 s_write) fm[ [ < c7095.95c17546] sp : c6085e50 ip : c6085d58 fp : c6085e64 b4>] (sys_wt[e + 0 x7198./504852] r10: 0000000c r9 : c1ad7708 r8 : c15ec1e0 x1c) # [ <4 > [7 8 . 87991.65837159] r7 : c6085f60 r6 : 0000000c r5 : c6115000 r4 : 00000000 ] r9:c6622<040>0[ r 8 :7c90.3540682] r3 : 54dc0a6f r2 : 54dc0a6f r1 : ef7965e0 r0 : 00000026 02e4 r7:00000<040>4[ r 6 :779f.f49292] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000 r5:000<040>0[1 1 r749:.0558596] Control: 10c5387d Table: 15f6c04a DAC: 00000051 000011 # [ 7<80.>[9 0 1 37494.566511] Process cat (pid: 2375, stack limit = 0xc8d21f10) [0]> [( s y s7_9w.r5i4510] Stack: (0xc6085e50 to 0xc6086000) te) from [>[] ( r7e.580952] 5e40: 00000027 c6115000 c6085e74 c6085e68 t_fast_syscall+0/[0 x 2 87)9.591470] 5e60: c0c5aecc c13ce720 c6085e9c c6085e78 c0c5b3cc c0c5aeac c0c5b2ac c59b6c80 # [ 78.909183]<0 >E[x c e p7t9.601990] 5e80: b6dc9000 0000000c c517c000 c6085f60 c6085ec4 c6085ea0 c07e42b0 c0c5b2b8 on stack(0xc66238[ t o 709.612508] 5ea0: 00000000 c59b6c80 b6dc9000 c290d000 c6085f60 c07e424c c6085f5c c6085ec8 c6623ff0) # [ 7<80.>9[1 4 5 079.623027] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6084000 ] 3fa0: < 0 > [ 7 9 . 33632] 5ee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c6085ee0 00000001 b6dc8000 00000011 0000<000>1[1 0 0709.643977] 5f00: c5eb3cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0001 b6dda000< 00>0[0 0 0 07191. 54495] 5f20: 00000000 00000000 c13e3a68 54dc0a6f c206c1e0 c59b6c80 c59b6c80 c6084000 00000001 # [ < 07>8[. 9 2 27995664840] 5f40: b6dc9000 00000000 00000000 00000004 c6085f94 c6085f60 c059c624 c059bf68 7] 3fc0: 000000<101> [0 0 0 07090675272] 5f60: 00000000 00000000 c6085fac 54dc0a6f 0000000c 0000000c 7ff00000 00000004 11 7ff00000 000<000>0[0 4 07090685704] 5f80: c03002e4 c6084000 c6085fa4 c6085f98 c059c6b4 c059c5bc 00000000 c6085fa8 00001 b6dda000< 00>0[0 2 0 07090.696136] 5fa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 <0>[ 79.706569] 5fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 0042fe38 0044fe38 # [ <708>.[9 3 1 4709.715016] 5fe0: 00000004 be9a97e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 ] 3fe0: 00000<000>4[ b e 87795.725527] Backtrace: e8 b6ea033b b6e19616 # [ <708>[ 79.730158] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) 936729] Code: a[0 1 0 0749 .741275] r5:c6115000 r4:00000027 3080618 e34c01ad ed[9 d d a79.747110] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) (e5943000) # [ 78.943<009>8[] 79.757548] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ---[ end tra [3 4 c 57498.d68146] r9:c6085f60 r8:c517c000 r7:0000000c r6:b6dc9000 r5:c59b6c80 r4:c0c5b2ac 288402d8b ]--- # ACCESS_USS 79.778065] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) PACE: missing 'l[l t r7a9c788664] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6dc9000 r5:c59b6c80 r4:00000000 e:': [FAIL] not ok< 03>7[ s e l9.798664] [] (vfs_write) from [] (ksys_write+0x74/0xec) ftests: lkdtm: ACS[S _ U S7E.808226] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c6084000 r5:c59b6c80 RSPACE.s#[ e x i7t9=.18 1 8391] r4:c59b6c80 selftests: lkdtm: C[E S S _9.822927] [] (ksys_write) from [] (sys_write+0x18/0x1c) NULL.sh <0>[ 79.832488] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 79.841274] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.849109] Exception stack(0xc6085fa8 to 0xc6085ff0) <0>[ 79.854428] 5fa0: 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 <0>[ 79.862873] 5fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 0042fe38 <0>[ 79.871317] 5fe0: 00000004 be9a97e8 b6e8f33b b6e08616 <0>[ 79.876638] Code: e3080618 e34c01ad e1a01004 ebffd3b8 (e5945000) <4>[ 79.883074] ---[ end trace 34c548d288402d8c ]--- # Segmentation fault # [ 79.389809] lkdtm: Performing direct entry ACCESS_NULL # [ 79.395905] lkdtm: attempting bad read at 00000000 # [ 79.403141] 8<--- cut here --- # [ 79.409301] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.420509] pgd = 9937dbfa # [ 79.426269] [00000000] *pgd=00000000 # [ 79.432655] Internal error: Oops: 5 [#11] SMP ARM # [ 79.440461] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.475460] CPU: 1 PID: 2375 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 79.485627] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.494249] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 79.501808] LR is at __irq_work_queue_local+0x40/0x74 # [ 79.509198] pc : [] lr : [] psr: 60080013 # [ 79.517546] sp : c6085e50 ip : c6085d58 fp : c6085e64 # [ 79.524852] r10: 0000000c r9 : c1ad7708 r8 : c15ec1e0 # [ 79.532159] r7 : c6085f60 r6 : 0000000c r5 : c6115000 r4 : 00000000 # [ 79.540682] r3 : 54dc0a6f r2 : 54dc0a6f r1 : ef7965e0 r0 : 00000026 # [ 79.549292] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.558596] Control: 10c5387d Table: 15f6c04a DAC: 00000051 # [ 79.566511] Process cat (pid: 2375, stack limit = 0xc8d21f10) # [ 79.574510] Stack: (0xc6085e50 to 0xc6086000) # [ 79.580952] 5e40: 00000027 c6115000 c6085e74 c6085e68 # [ 79.591470] 5e60: c0c5aecc c13ce720 c6085e9c c6085e78 c0c5b3cc c0c5aeac c0c5b2ac c59b6c80 # [ 79.601990] 5e80: b6dc9000 0000000c c517c000 c6085f60 c6085ec4 c6085ea0 c07e42b0 c0c5b2b8 # [ 79.612508] 5ea0: 00000000 c59b6c80 b6dc9000 c290d000 c6085f60 c07e424c c6085f5c c6085ec8 # [ 79.623027] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6084000 # [ 79.633632] 5ee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c6085ee0 00000001 b6dc8000 # [ 79.643977] 5f00: c5eb3cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.654495] 5f20: 00000000 00000000 c13e3a68 54dc0a6f c206c1e0 c59b6c80 c59b6c80 c6084000 # [ 79.664840] 5f40: b6dc9000 00000000 00000000 00000004 c6085f94 c6085f60 c059c624 c059bf68 # [ 79.675272] 5f60: 00000000 00000000 c6085fac 54dc0a6f 0000000c 0000000c 7ff00000 00000004 # [ 79.685704] 5f80: c03002e4 c6084000 c6085fa4 c6085f98 c059c6b4 c059c5bc 00000000 c6085fa8 # [ 79.696136] 5fa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6dc9000 0000000c 00000001 # [ 79.706569] 5fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc9000 00020000 0042fe38 # [ 79.715016] 5fe0: 00000004 be9a97e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000 # [ 79.725527] Backtrace: # [ 79.730158] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.741275] r5:c6115000 r4:00000027 # [ 79.747110] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.757548] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.768146] r9:c6085f60 r8:c517c000 r7:0000000c r6:b6dc9000 r5:c59b6c80 r4:c0c5b2ac # [ 79.778065] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 79.<6>[ 80.317146] lkdtm: Performing direct entry WRITE_RO 788664] r9:c07e424<6c> [r 8 : c80.324060] lkdtm: attempting bad rodata write at c15ec478 085f60 r7:c290d000 r6:b6dc9000 r5<1>[ 80.332053] 8<--- cut here --- :c59b6c80 r4:0<010>0[0 0 0 08 0 .338154] Unable to handle kernel paging request at virtual address c15ec478 [ 79.7986<614>][ [ < c8005.9347636] pgd = 36a2b8af f5c>] (vfs_write) from [] (ksys_writ0[x 7 4 /800x359392] Internal error: Oops: 80d [#12] SMP ARM ec) # [ 79.808226] r10:000000<4>[ 80.366525] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 04 r9:00000000 r8:0000<040>0[0 80.401532] CPU: 3 PID: 2450 Comm: cat Tainted: G D W 5.10.220-cip49 #1 7:b6dc9000 r<64:>c[6 0 8 48000.401871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r5:c59b6c80 # [ 79.818391] < >[ 80.420493] PC is at lkdtm_WRITE_RO+0x44/0x50 r4:c59b6c80 # [ <749>.[8 2 2 90.427791] LR is at __irq_work_queue_local+0x40/0x74 27] [b[0 > ] 8(0k.s4y35267] pc : [] lr : [] psr: 60080013 _write) fr [[ < c8005.94c46615] sp : c645fe50 ip : c645fd58 fp : c645fe64 b4>] (sys<_4w>r[i t e +800x.1485/834] r10: 00000009 r9 : c1ad7714 r8 : c15ec1e0 0x1c) #< 4[> [ 7 98.08.342548054] r7 : c645ff60 r6 : 00000009 r5 : c5b62000 r4 : c15ec478 8] r9:0[8 4 0 0800 .4r686:577] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad8518 03002e4 r7:0<040>0[0 0 0 48 0r.6475014] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 7ff00000 :[0 0 0 08000.04c8 316] Control: 10c5387d Table: 1467404a DAC: 00000051 r4:0000000c # <[0 > [ 7 9 .8804492059] Process cat (pid: 2450, stack limit = 0x0ca2754f) 1274] [6[9 c > ]8 0(.s5y0059] Stack: (0xc645fe50 to 0xc6460000) s_write) from [<3[0 0 0 c800.506500] fe40: 00000028 c5b62000 c645fe74 c645fe68 ] (ret_fast_syscal0[x 0 / 080.517021] fe60: c0c5aecc c13ce520 c645fe9c c645fe78 c0c5b3cc c0c5aeac c0c5b2ac c5a34640 28) # [ 79.84<901>0[9 ] E8x0.527625] fe80: b6df1000 00000009 c517c000 c645ff60 c645fec4 c645fea0 c07e42b0 c0c5b2b8 eption stack(0xc6<008>5[f a 88 0.538144] fea0: 00000000 c5a34640 b6df1000 c290d000 c645ff60 c07e424c c645ff5c c645fec8 o 0xc6085ff0) # <[0 > [ 7 9 .88.548662] fec0: c059c068 c07e4258 00000001 00000000 c059c624 c590c064 c059c624 c645e000 54428] 5fa0: < 0 > [ 8 0 .559179] fee0: b6df1000 00020000 00000004 00000009 0001fff7 c645fee0 00000001 00000805 00000000[0 0 0 08000.569612] ff00: c6499b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001 b6dc9000< 00>0[0 0 0 080.580043] ff20: 00000000 00000000 c645e000 76643230 b6df0000 c5a34640 c5a34640 c645e000 c 00000001 # [ < 07>9[. 8 6 288.590649] ff40: b6df1000 00000000 00000000 00000004 c645ff94 c645ff60 c059c624 c059bf68 73] 5fc0: 000000<00c> [0 0 0 0800.601168] ff60: 00000000 00000000 c645ffac 76643230 00000009 00000009 7ff00000 00000004 0c 7ff00000 000<000>0[0 4 08000611684] ff80: c03002e4 c645e000 c645ffa4 c645ff98 c059c6b4 c059c5bc 00000000 c645ffa8 00001 b6dc9000 <000>0[2 0 0 0800 622116] ffa0: c03000c0 c059c6a8 00000009 00000009 00000001 b6df1000 00000009 00000001 0042fe38 # [ < 07>9[. 8 7 18301632548] ffc0: 00000009 00000009 7ff00000 00000004 00000001 b6df1000 00020000 004ffe38 7] 5fe0: 0000000<40 >b[e 9 a 9870.642979] ffe0: 00000004 be8127e8 b6eb733b b6e30616 60080030 00000001 00000000 00000000 8 b6e8f33b b6e0<806>1[6 #8 0[653493] Backtrace: 79.876638] Code: e3080618 ] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) 4c01ad e1a0100<40 >e[b f f d830b.669065] r5:c5b62000 r4:00000028 (e5945000) # [ <709>.[8 8 3 80.674900] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 74] ---[ end trace 34c548d<208>8[ 80.685423] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 02d8c ]--- # ACCE_[N U L L80.696111] r9:c645ff60 r8:c517c000 r7:00000009 r6:b6df1000 r5:c5a34640 r4:c0c5b2ac missing 'call trace:': [FA] 80.706288] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) not ok 38 selfs[t s : 8l0.716887] r9:c07e424c r8:c645ff60 r7:c290d000 r6:b6df1000 r5:c5a34640 r4:00000000 dtm: ACCESS_NULL. [# e x8i.726972] [] (vfs_write) from [] (ksys_write+0x74/0xec) t=1 # selftest [l k d t8m0:736446] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c645e000 r5:c5a34640 WRITE_RO<.0s>h[ 80.746526] r4:c5a34640 <0>[ 80.750540] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.757944] r9:c645e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 <0>[ 80.765959] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.773793] Exception stack(0xc645ffa8 to 0xc645fff0) <0>[ 80.779112] ffa0: 00000009 00000009 00000001 b6df1000 00000009 00000001 <0>[ 80.787558] ffc0: 00000009 00000009 7ff00000 00000004 00000001 b6df1000 00020000 004ffe38 <0>[ 80.796000] ffe0: 00000004 be8127e8 b6eb733b b6e30616 <0>[ 80.801322] Code: e34a3bcd e3080518 e34c01ad e0233002 (e5843000) <4>[ 80.807685] ---[ end trace 34c548d288402d8d ]--- # Segmentation fault # [ 80.317146] lkdtm: Performing direct entry WRITE_RO # [ 80.324060] lkdtm: attempting bad rodata write at c15ec478 # [ 80.332053] 8<--- cut here --- # [ 80.338154] Unable to handle kernel paging request at virtual address c15ec478 # [ 80.347636] pgd = 36a2b8af # [ 80.352513] [c15ec478] *pgd=1141941e(bad) # [ 80.359392] Internal error: Oops: 80d [#12] SMP ARM # [ 80.366525] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.401532] CPU: 3 PID: 2450 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 80.411871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.420493] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 80.427791] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.435267] pc : [] lr : [] psr: 60080013 # [ 80.443615] sp : c645fe50 ip : c645fd58 fp : c645fe64 # [ 80.450834] r10: 00000009 r9 : c1ad7714 r8 : c15ec1e0 # [ 80.458054] r7 : c645ff60 r6 : 00000009 r5 : c5b62000 r4 : c15ec478 # [ 80.466577] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad8518 # [ 80.475014] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.484316] Control: 10c5387d Table: 1467404a DAC: 00000051 # [ 80.492059] Process cat (pid: 2450, stack limit = 0x0ca2754f) # [ 80.500059] Stack: (0xc645fe50 to 0xc6460000) # [ 80.506500] fe40: 00000028 c5b62000 c645fe74 c645fe68 # [ 80.517021] fe60: c0c5aecc c13ce520 c645fe9c c645fe78 c0c5b3cc c0c5aeac c0c5b2ac c5a34640 # [ 80.527625] fe80: b6df1000 00000009 c517c000 c645ff60 c645fec4 c645fea0 c07e42b0 c0c5b2b8 # [ 80.538144] fea0: 00000000 c5a34640 b6df1000 c290d000 c645ff60 c07e424c c645ff5c c645fec8 # [ 80.548662] fec0: c059c068 c07e4258 00000001 00000000 c059c624 c590c064 c059c624 c645e000 # [ 80.559179] fee0: b6df1000 00020000 00000004 00000009 0001fff7 c645fee0 00000001 00000805 # [ 80.569612] ff00: c6499b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.580043] ff20: 00000000 00000000 c645e000 76643230 b6df0000 c5a34640 c5a34640 c645e000 # [ 80.590649] ff40: b6df1000 00000000 00000000 00000004 c645ff94 c645ff60 c059c624 c059bf68 # [ 80.601168] ff60: 00000000 00000000 c645ffac 76643230 00000009 00000009 7ff00000 00000004 # [ 80.611684] ff80: c03002e4 c645e000 c645ffa4 c645ff98 c059c6b4 c059c5bc 00000000 c645ffa8 # [ 80.622116] ffa0: c03000c0 c059c6a8 00000009 00000009 00000001 b6df1000 00000009 00000001 # [ 80.632548] ffc0: 00000009 00000009 7ff00000 00000004 00000001 b6df1000 00020000 004ffe38 # [ 80.642979] ffe0: 00000004 be8127e8 b6eb733b b6e30616 60080030 00000001 00000000 00000000 # [ 80.653493] Backtrace: # [ 80.658207] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.669065] r5:c5b62000 r4:00000028 # [ 80.674900] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.685423] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.696111] r9:c645ff60 r8:c517c000 r7:00000009 r6:b6df1000 r5:c5a34640 r4:c0c5b2ac # [ 80.706288] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 80.716887] r9:c07e424c r8:c645ff60 r7:c290d000 r6:b6df1000 r5:c5a34640 r4:00000000 # [ 80.726972] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.736446] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c645e000 r5:c5a34640 # [ 80.746526] r4:c5a34640 # [ 80.750540] [] (ksys_write<6>[ 96.782448] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ) from [] (sys_write+0x<6>[ 96.789450] lkdtm: attempting bad ro_after_init write at c1b8ac74 18/0x1c) # [ 80.757944] r9:c6<1>[ 96.798784] 8<--- cut here --- 45e000 r8:c03002e4<1 >r[7 : 0 090.804782] Unable to handle kernel paging request at virtual address c1b8ac74 00004 r6:7ff00000 r5<:10>0[0 0 06.814346] pgd = 39523053 009 r4:00000009 # [ 80.76<519>[ 96.819475] [c1b8ac74] *pgd=11a1941e(bad) 9] [] (sys_wt[e ) 96.826350] Internal error: Oops: 80d [#13] SMP ARM from [] (ret_fast_sysca<4>[ 96.833824] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ll+0x0/0x28) # [ 80<.47>7[3 7 96.868822] CPU: 2 PID: 2525 Comm: cat Tainted: G D W 5.10.220-cip49 #1 3] Exception sc[k ( 0 x9c66.879158] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 5ffa8 to 0xc645fff0) # [ 80.77<4>[ 96.887952] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 9112] ffa0: < 4 > [ 96.896377] LR is at __irq_work_queue_local+0x40/0x74 00000009 0000000<49> [0 0 0 090.904023] pc : [] lr : [] psr: 60080013 001 b6df1000 00<040>0[0 0 9 9060912627] sp : c6207e50 ip : c6207d58 fp : c6207e64 000001 # [ <840>.[7 8 7 59568.920103] r10: 00000014 r9 : c1ad7720 r8 : c15ec1e0 ffc0: 000000<049> [0 0 0 09060.027581] r7 : c6207f60 r6 : 00000014 r5 : c603f000 r4 : c1b8ac74 9 7ff00000 0000<040>0[ 4 09060.936274] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1ad8518 0001 b6df1000 0002<040>0[0 0 096.945054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ffe38 # [ 8<04.>7[9 6 0 0906].954612] Control: 10c5387d Table: 165e804a DAC: 00000051 ffe0: 00000004 b1[2 7 e 89 6.962612] Process cat (pid: 2525, stack limit = 0x9c0a94c5) 6eb733b b6e30616 < 0#> [[ 98.970697] Stack: (0xc6207e50 to 0xc6208000) 0.801322] Code: e34a3c[d e 96.977396] 7e40: 00000029 c603f000 c6207e74 c6207e68 080518 e34c01ad e023300<20 >([e 96.988086] 7e60: c0c5aecc c13ce570 c6207e9c c6207e78 c0c5b3cc c0c5aeac c0c5b2ac c6290dc0 843000) # [ 80.80<706>8[5 ] 96.998861] 7e80: b6dc0000 00000014 c517c000 c6207f60 c6207ec4 c6207ea0 c07e42b0 c0c5b2b8 ---[ end trace 34c548d<208>8[4 0 97.009550] 7ea0: 00000000 c6290dc0 b6dc0000 c290d000 c6207f60 c07e424c c6207f5c c6207ec8 d8d ]--- # WRITE_R [m i s s7.020324] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6206000 ing 'call trace:': [FL[] 97.030928] 7ee0: b6dc0000 00020000 00000004 00000014 0001ffec c6207ee0 00000001 b6dbf000 not ok 39 selftests: d[t m :97.041615] 7f00: c6499b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 WRITE_RO.sh # exit=1 #<0 >s[e l 97.052306] 7f20: 00000000 00000000 c13e3a68 cc4f6aad c206c1e0 c6290dc0 c6290dc0 c6206000 ftests: lkdtm: WRITE__[A F T97.063079] 7f40: b6dc0000 00000000 00000000 00000004 c6207f94 c6207f60 c059c624 c059bf68 ER_INIT.sh <0>[ 97.073769] 7f60: 00000000 00000000 c6207fac cc4f6aad 00000014 00000014 7ff00000 00000004 <0>[ 97.083241] 7f80: c03002e4 c6206000 c6207fa4 c6207f98 c059c6b4 c059c5bc 00000000 c6207fa8 <0>[ 97.091687] 7fa0: c03000c0 c059c6a8 00000014 00000014 00000001 b6dc0000 00000014 00000001 <0>[ 97.100132] 7fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dc0000 00020000 0049fe38 <0>[ 97.108578] 7fe0: 00000004 befbc7e8 b6e8633b b6dff616 60080030 00000001 00000000 00000000 <0>[ 97.117017] Backtrace: <0>[ 97.119747] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 97.128972] r5:c603f000 r4:00000029 <0>[ 97.132820] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 97.141098] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 97.149284] r9:c6207f60 r8:c517c000 r7:00000014 r6:b6dc0000 r5:c6290dc0 r4:c0c5b2ac <0>[ 97.157303] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <0>[ 97.165402] r9:c07e424c r8:c6207f60 r7:c290d000 r6:b6dc0000 r5:c6290dc0 r4:00000000 <0>[ 97.173415] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 97.180819] r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c6206000 r5:c6290dc0 <0>[ 97.188914] r4:c6290dc0 <0>[ 97.191718] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 97.199122] r9:c6206000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 <0>[ 97.207135] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 97.214969] Exception stack(0xc6207fa8 to 0xc6207ff0) <0>[ 97.220290] 7fa0: 00000014 00000014 00000001 b6dc0000 00000014 00000001 <0>[ 97.228736] 7fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dc0000 00020000 0049fe38 <0>[ 97.237179] 7fe0: 00000004 befbc7e8 b6e8633b b6dff616 <0>[ 97.242500] Code: e34a3bcd e3080518 e34c01ad e0233002 (e5843000) <4>[ 97.248865] ---[ end trace 34c548d288402d8e ]--- # Segmentation fault # [ 96.782448] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 96.789450] lkdtm: attempting bad ro_after_init write at c1b8ac74 # [ 96.798784] 8<--- cut here --- # [ 96.804782] Unable to handle kernel paging request at virtual address c1b8ac74 # [ 96.814346] pgd = 39523053 # [ 96.819475] [c1b8ac74] *pgd=11a1941e(bad) # [ 96.826350] Internal error: Oops: 80d [#13] SMP ARM # [ 96.833824] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.868822] CPU: 2 PID: 2525 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 96.879158] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.887952] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 96.896377] LR is at __irq_work_queue_local+0x40/0x74 # [ 96.904023] pc : [] lr : [] psr: 60080013 # [ 96.912627] sp : c6207e50 ip : c6207d58 fp : c6207e64 # [ 96.920103] r10: 00000014 r9 : c1ad7720 r8 : c15ec1e0 # [ 96.927581] r7 : c6207f60 r6 : 00000014 r5 : c603f000 r4 : c1b8ac74 # [ 96.936274] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1ad8518 # [ 96.945054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 96.954612] Control: 10c5387d Table: 165e804a DAC: 00000051 # [ 96.962612] Process cat (pid: 2525, stack limit = 0x9c0a94c5) # [ 96.970697] Stack: (0xc6207e50 to 0xc6208000) # [ 96.977396] 7e40: 00000029 c603f000 c6207e74 c6207e68 # [ 96.988086] 7e60: c0c5aecc c13ce570 c6207e9c c6207e78 c0c5b3cc c0c5aeac c0c5b2ac c6290dc0 # [ 96.998861] 7e80: b6dc0000 00000014 c517c000 c6207f60 c6207ec4 c6207ea0 c07e42b0 c0c5b2b8 # [ 97.009550] 7ea0: 00000000 c6290dc0 b6dc0000 c290d000 c6207f60 c07e424c c6207f5c c6207ec8 # [ 97.020324] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c6206000 # [ 97.030928] 7ee0: b6dc0000 00020000 00000004 00000014 0001ffec c6207ee0 00000001 b6dbf000 # [ 97.041615] 7f00: c6499b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.052306] 7f20: 00000000 00000000 c13e3a68 cc4f6aad c206c1e0 c6290dc0 c6290dc0 c6206000 # [ 97.063079] 7f40: b6dc0000 00000000 00000000 00000004 c6207f94 c6207f60 c059c624 c059bf68 # [ 97.073769] 7f60: 00000000 00000000 c6207fac cc4f6aad 00000014 00000014 7ff00000 00000004 # [ 97.083241] 7f80: c03002e4 c6206000 c6207fa4 c6207f98 c059c6b4 c059c5bc 00000000 c6207fa8 # [ 97.091687] 7fa0: c03000c0 c059c6a8 00000014 00000014 00000001 b6dc0000 00000014 00000001 # [ 97.100132] 7fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dc0000 00020000 0049fe38 # [ 97.108578] 7fe0: 00000004 befbc7e8 b6e8633b b6dff616 60080030 00000001 00000000 00000000 # [ 97.117017] Backtrace: # [ 97.119747] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.128972] r5:c603f000 r4:00000029 # [ 97.132820] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.141098] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.149284] r9:c6207f60 r8:c517c000 r7:00000014 r6:b6dc0000 r5:c6290dc0 r4:c0c5b2ac # [ 97.157303] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 97.165402] r9:c07e424c r8:c6207f60 r7:c290d000 r6:b6dc0000 r5:c6290dc0 r4:00000000 # [ 97.173415] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 9<6>[ 97.715153] lkdtm: Performing direct entry WRITE_KERN 7.180819] r10:00000004 r9:000000<6>[ 97.721481] lkdtm: attempting bad 7809024 byte write at c13ce43c 00 r8:00000000 r7:b6dc0000 r6:c62<1>[ 97.730605] 8<--- cut here --- 06000 r5:c629<01d>c[0 #9 7[. 36717] Unable to handle kernel paging request at virtual address c13ce43c 97.1889<114>][ r 49:7c.67249111] pgd = 36a2b8af 0dc0 # [ 97.191718] [] (ksys_write) fr [[ < c 97.757698] Internal error: Oops: 80d [#14] SMP ARM 59c6b4>] (sys_write+0x18/0x1c) #<4>[ 97.765090] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 97.199122] r9:c6<240>6[0 0 97.800095] CPU: 3 PID: 2600 Comm: cat Tainted: G D W 5.10.220-cip49 #1 r8:c03002e<44 >r[7 : 0 09070.0800435] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 04 r6:7ff00000 r5:00000014 : 97.819056] PC is at memcpy+0x50/0x330 00000014 # [ 9<74.>2[0 7 1937.825576] LR is at 0xe92dd830 ] [<]4 >([s y s _9w7r.i31059] pc : [] lr : [] psr: 20080013 te) from [0[0 0 c 09>7]. 839497] sp : c5f8de2c ip : e1a0c00d fp : c5f8de64 ret_fast_s[c a l 9l7+.08x406889] r10: 0000000b r9 : c1ad7734 r8 : e89da800 0x28) # [ <947>.[2 1 4 99679.]54111] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 Exception sc[k ( 0 x9c76.2862808] r3 : e1a0c00d r2 : 00772760 r1 : c0c5bc5c r0 : c13ce43c 7fa8 to 0xc6<42>0[7 f f 09)7 . 8#1505] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 97.22029<04]> [7 f a 09:7 . 80724] Control: 10c5387d Table: 1467404a DAC: 00000051 < 0 > [ 0 0 09070.088639] Process cat (pid: 2600, stack limit = 0x8bccda6c) 14 00000014< 00>0[0 0 0 09071. 8b6555] Stack: (0xc5f8de2c to 0xc5f8e000) 6dc0000 00000014 000<000>0[0 1 97.903001] de20: c0c5bc3c 00772800 c5f8df60 c15ec1e0 c13ce43c # [ 97.228736] 70[: 090.913693] de40: c13ce43c c13ce620 0000002a c5b62000 0000000b c5f8df60 c5f8de74 c5f8de68 000014 00000014 7ff0<000>0[0 0 97.924214] de60: c0c5aecc c13ce5e0 c5f8de9c c5f8de78 c0c5b3cc c0c5aeac c0c5b2ac c6074000 000004 00000001 b60[0 0 0 97.934907] de80: b6e24000 0000000b c517c000 c5f8df60 c5f8dec4 c5f8dea0 c07e42b0 c0c5b2b8 0020000 0049fe38 #< 0[> [ 9 77.945515] dea0: 00000000 c6074000 b6e24000 c290d000 c5f8df60 c07e424c c5f8df5c c5f8dec8 .237179] 7fe0: 00<000>0[0 0 4 9b.956121] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f8c000 efbc7e8 b6e8633b b6df1[6 97.966641] dee0: b6e24000 00020000 00000004 0000000b 0001fff5 c5f8dee0 00000001 b6e23000 # [ 97.242500]< 0C>o[d e : 9e7.977331] df00: c594da40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 4a3bcd e3080518 e341[a d e7.987854] df20: 00000000 00000000 c13e3a68 ff4bc93b c206c1e0 c6074000 c6074000 c5f8c000 0233002 (e5843000)< 0 > [# [ 97.998460] df40: b6e24000 00000000 00000000 00000004 c5f8df94 c5f8df60 c059c624 c059bf68 97.248865] ---[ d[ t r a9c.009067] df60: 00000000 00000000 c5f8dfac ff4bc93b 0000000b 0000000b 7ff00000 00000004 e 34c548d288402d8e <]0->-[- #8.019590] df80: c03002e4 c5f8c000 c5f8dfa4 c5f8df98 c059c6b4 c059c5bc 00000000 c5f8dfa8 WRITE_RO_AFTER_IN:[ m i s98.030195] dfa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6e24000 0000000b 00000001 ing 'call trace:<'0:> [[ F A I9L8.040801] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e24000 00020000 004bfe38 not ok 40 selftes:[ l k d8.051322] dfe0: 00000004 be9057e8 b6eea33b b6e63616 60080030 00000001 00000000 00000000 tm: WRITE_RO_AFT_[I N I T9.8.061921] Backtrace: h # exit=1 # selftests: lkdtm: W<0>[ 98.066737] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) RITE_KERN.sh <0>[ 98.078022] r7:c5f8df60 r6:0000000b r5:c5b62000 r4:0000002a <0>[ 98.085160] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 98.093444] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 98.101634] r9:c5f8df60 r8:c517c000 r7:0000000b r6:b6e24000 r5:c6074000 r4:c0c5b2ac <0>[ 98.109657] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <0>[ 98.117761] r9:c07e424c r8:c5f8df60 r7:c290d000 r6:b6e24000 r5:c6074000 r4:00000000 <0>[ 98.125777] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 98.133186] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c5f8c000 r5:c6074000 <0>[ 98.141282] r4:c6074000 <0>[ 98.144090] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 98.151498] r9:c5f8c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 98.159518] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 98.167356] Exception stack(0xc5f8dfa8 to 0xc5f8dff0) <0>[ 98.172679] dfa0: 0000000b 0000000b 00000001 b6e24000 0000000b 00000001 <0>[ 98.181131] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e24000 00020000 004bfe38 <0>[ 98.189578] dfe0: 00000004 be9057e8 b6eea33b b6e63616 <0>[ 98.194903] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 98.201270] ---[ end trace 34c548d288402d8f ]--- # Segmentation fault # [ 97.715153] lkdtm: Performing direct entry WRITE_KERN # [ 97.721481] lkdtm: attempting bad 7809024 byte write at c13ce43c # [ 97.730605] 8<--- cut here --- # [ 97.736717] Unable to handle kernel paging request at virtual address c13ce43c # [ 97.746111] pgd = 36a2b8af # [ 97.750818] [c13ce43c] *pgd=1121940e(bad) # [ 97.757698] Internal error: Oops: 80d [#14] SMP ARM # [ 97.765090] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.800095] CPU: 3 PID: 2600 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 97.810435] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.819056] PC is at memcpy+0x50/0x330 # [ 97.825576] LR is at 0xe92dd830 # [ 97.831059] pc : [] lr : [] psr: 20080013 # [ 97.839497] sp : c5f8de2c ip : e1a0c00d fp : c5f8de64 # [ 97.846889] r10: 0000000b r9 : c1ad7734 r8 : e89da800 # [ 97.854111] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 97.862808] r3 : e1a0c00d r2 : 00772760 r1 : c0c5bc5c r0 : c13ce43c # [ 97.871505] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.880724] Control: 10c5387d Table: 1467404a DAC: 00000051 # [ 97.888639] Process cat (pid: 2600, stack limit = 0x8bccda6c) # [ 97.896555] Stack: (0xc5f8de2c to 0xc5f8e000) # [ 97.903001] de20: c0c5bc3c 00772800 c5f8df60 c15ec1e0 c13ce43c # [ 97.913693] de40: c13ce43c c13ce620 0000002a c5b62000 0000000b c5f8df60 c5f8de74 c5f8de68 # [ 97.924214] de60: c0c5aecc c13ce5e0 c5f8de9c c5f8de78 c0c5b3cc c0c5aeac c0c5b2ac c6074000 # [ 97.934907] de80: b6e24000 0000000b c517c000 c5f8df60 c5f8dec4 c5f8dea0 c07e42b0 c0c5b2b8 # [ 97.945515] dea0: 00000000 c6074000 b6e24000 c290d000 c5f8df60 c07e424c c5f8df5c c5f8dec8 # [ 97.956121] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f8c000 # [ 97.966641] dee0: b6e24000 00020000 00000004 0000000b 0001fff5 c5f8dee0 00000001 b6e23000 # [ 97.977331] df00: c594da40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.987854] df20: 00000000 00000000 c13e3a68 ff4bc93b c206c1e0 c6074000 c6074000 c5f8c000 # [ 97.998460] df40: b6e24000 00000000 00000000 00000004 c5f8df94 c5f8df60 c059c624 c059bf68 # [ 98.009067] df60: 00000000 00000000 c5f8dfac ff4bc93b 0000000b 0000000b 7ff00000 00000004 # [ 98.019590] df80: c03002e4 c5f8c000 c5f8dfa4 c5f8df98 c059c6b4 c059c5bc 00000000 c5f8dfa8 # [ 98.030195] dfa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6e24000 0000000b 00000001 # [ 98.040801] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e24000 00020000 004bfe38 # [ 98.051322] dfe0: 00000004 be9057e8 b6eea33b b6e63616 60080030 00000001 00000000 00000000 # [ 98.061921] Backtrace: # [ 98.066737] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.078022] r7:c5f8df60 r6:0000000b r5:c5b62000 r4:0000002a # [ 98.085160] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.093444] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.101634] r9:c5f8df60 r8:c517c000 r7:0000000b r6:b6e24000 r5:c6074000 r4:c0c5b2ac # [ 98.109657] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 98.117761] r9:c07e424c r8:c5f8df60 r7:c290d000 r6:b6e24000 r5:c6074000 r4:00000000 # [ 98.125777] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.133186] r10:00000004 r<6>[ 98.647040] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 9:00000000 r8:00000000 r7:b6e2400<6>[ 98.654635] lkdtm: attempting good refcount_inc() without overflow 0 r6:c5f8c000 r5:c6074000 # [ <6>[ 98.664012] lkdtm: attempting bad refcount_inc() overflow 98.141282] r4:c6074000 # [ 98<4>[ 98.672595] ------------[ cut here ]------------ .144090] [] (ksys_write<4>[ 98.680362] WARNING: CPU: 0 PID: 2676 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 ) from [] (sys_write+0x<4>[ 98.692028] refcount_t: saturated; leaking memory. 18/0x1c) # [ 98.151498] r9:c5<4>[ 98.699904] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 f8c000 r8:c03002e4 r7:00000004 r6<4>[ 98.734947] CPU: 0 PID: 2676 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 98.745765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.752561] Backtrace: <4>[ 98.755297] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.763143] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 98.769080] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.776670] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.783906] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 <4>[ 98.791925] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.799678] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c632a000 <4>[ 98.805614] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 98.814845] r9:c1ad7740 r8:c15ec1e0 r7:c632bf60 r6:00000016 r5:c65a7000 r4:c632a000 <4>[ 98.822867] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 98.832800] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 98.843166] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.852565] r4:0000002b <4>[ 98.855373] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.863655] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.871844] r9:c632bf60 r8:c517c000 r7:00000016 r6:b6e66000 r5:c6496000 r4:c0c5b2ac <4>[ 98.879869] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 98.887972] r9:c07e424c r8:c632bf60 r7:c290d000 r6:b6e66000 r5:c6496000 r4:00000000 <4>[ 98.895988] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.903397] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c632a000 r5:c6496000 <4>[ 98.911493] r4:c6496000 <4>[ 98.914300] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.921708] r9:c632a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 98.929726] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.937563] Exception stack(0xc632bfa8 to 0xc632bff0) <4>[ 98.942889] bfa0: 00000016 00000016 00000001 b6e66000 00000016 00000001 <4>[ 98.951341] bfc0: 00000016 00000016 7ff00000 00000004 00000001 b6e66000 00020000 004bfe38 <4>[ 98.959789] bfe0: 00000004 bea987e8 b6f2c33b b6ea5616 :7ff00000 r5:0000000b r4:0000000b<4>[ 98.965192] irq event stamp: 0 # [ 98.159518] [] (<4>[ 98.971410] hardirqs last enabled at (0): [<00000000>] 0x0 sys_write) from [] (ret<4>[ 98.980152] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac _fast_syscall+0x0/0x28) # [ 98<4>[ 98.990821] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac .167356] Exception stack(0xc5f8df<4>[ 99.001444] softirqs last disabled at (0): [<00000000>] 0x0 a8 to 0xc5f8dff0) # [ 98.17267<4>[ 99.010168] ---[ end trace 34c548d288402d90 ]--- 9] dfa0: 000000<6>[ 99.017937] lkdtm: Overflow detected: saturated 0b 0000000b 00000001 b6e24000 0000000b 00000001 # [ 98.181131] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e24000 00020000 004bfe38 # [ 98.189578] dfe0: 00000004 be9057e8 b6eea33b b6e63616 # [ 98.194903] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 98.201270] ---[ end trace 34c548d288402d8f ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 98.647040] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 98.654635] lkdtm: attempting good refcount_inc() without overflow # [ 98.664012] lkdtm: attempting bad refcount_inc() overflow # [ 98.672595] ------------[ cut here ]------------ # [ 98.680362] WARNING: CPU: 0 PID: 2676 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 98.692028] refcount_t: saturated; leaking memory. # [ 98.699904] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.734947] CPU: 0 PID: 2676 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 98.745765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.752561] Backtrace: # [ 98.755297] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.763143] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 98.769080] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.776670] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.783906] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 # [ 98.791925] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.799678] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c632a000 # [ 98.805614] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 98.814845] r9:c1ad7740 r8:c15ec1e0 r7:c632bf60 r6:00000016 r5:c65a7000 r4:c632a000 # [ 98.822867] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 98.832800] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 98.843166] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.852565] r4:0000002b # [ 98.855373] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.863655] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.871844] r9:c632bf60 r8:c517c000 r7:00000016 r6:b6e66000 r5:c6496000 r4:c0c5b2ac # [ 98.879869] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 98.887972] r9:c07e424c r8:c632bf60 r7:c290d000 r6:b6e66000 r5:c6496000 r4:00000000 # [ 98.895988] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.903397] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c632a000 r5:c6496000 # [ 98.911493] r4:c6496000 # [ 98.914300] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.921708] r9:c632a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 98.929726] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.937563] Exception stack(0xc632bfa8 to 0xc632bff0) # [ 98.942889] bfa0: 00000016 00000016 00000001 b6e66000 00000016 00000001 # [ 98.951341] bfc0: 00000016 00000016 7ff00000 00000004 00000001 b6e66000 00020000 004bfe38 # [ 98.959789] bfe0: 00000004 bea987e8 b6f2c33b b6ea5616 # [ 98.965192] irq event stamp: 0 # [ 98.971410] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.980152] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.990821] softirqs last enabled at (0): [] co<6>[ 99.435393] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW py_process+0x5f8/0x1dac # [ 99<6>[ 99.442875] lkdtm: attempting good refcount_add() without overflow .001444] softirqs last disabled a<6>[ 99.452151] lkdtm: attempting bad refcount_add() overflow t (0): [<00000000>] 0x0 # [ 99<4>[ 99.460585] ------------[ cut here ]------------ .010168] ---[ end trace 34c548d28<4>[ 99.468331] WARNING: CPU: 1 PID: 2711 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 8402d90 ]--- # [ 99.017937] lk<4>[ 99.479875] refcount_t: saturated; leaking memory. dtm: Overflow detected: saturated<4>[ 99.487794] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # REFCOUNT_INC_OVERFLOW: missin<4>[ 99.522796] CPU: 1 PID: 2711 Comm: cat Tainted: G D W 5.10.220-cip49 #1 g 'call trac'[: [ F9A9I.L533626] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) not ok 42 selftt[s : l9k.542322] Backtrace: dtm: REFCOUNT_INC_OVERFLOW.sh< 4#[ 99.547126] [] (dump_backtrace) from [] (show_stack+0x20/0x24) exit=1 # set[e s t s9:9 .l57550] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 kdtm: REFCOUNT_ADD_OVEL[O W 99.565382] [] (show_stack) from [] (dump_stack+0xe0/0x100) sh <4>[ 99.575295] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.582855] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 <4>[ 99.590868] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.598619] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c6084000 <4>[ 99.604549] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 99.613776] r9:c1ad7758 r8:c15ec1e0 r7:c6085f60 r6:00000016 r5:c60af000 r4:c6084000 <4>[ 99.621794] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 99.631723] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 99.642084] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.651479] r4:0000002c <4>[ 99.654283] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.662563] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.670747] r9:c6085f60 r8:c517c000 r7:00000016 r6:b6e35000 r5:c2fd4a00 r4:c0c5b2ac <4>[ 99.678768] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 99.686865] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6e35000 r5:c2fd4a00 r4:00000000 <4>[ 99.694879] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.702284] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c6084000 r5:c2fd4a00 <4>[ 99.710378] r4:c2fd4a00 <4>[ 99.713181] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.720585] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 99.728599] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.736435] Exception stack(0xc6085fa8 to 0xc6085ff0) <4>[ 99.741756] 5fa0: 00000016 00000016 00000001 b6e35000 00000016 00000001 <4>[ 99.750203] 5fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e35000 00020000 0050fe38 <4>[ 99.758647] 5fe0: 00000004 be8457e8 b6efb33b b6e74616 <4>[ 99.764017] irq event stamp: 0 <4>[ 99.767369] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.773219] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 99.781032] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 99.788839] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.794692] ---[ end trace 34c548d288402d91 ]--- <6>[ 99.799628] lkdtm: Overflow detected: saturated # [ 99.435393] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 99.442875] lkdtm: attempting good refcount_add() without overflow # [ 99.452151] lkdtm: attempting bad refcount_add() overflow # [ 99.460585] ------------[ cut here ]------------ # [ 99.468331] WARNING: CPU: 1 PID: 2711 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 99.479875] refcount_t: saturated; leaking memory. # [ 99.487794] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.522796] CPU: 1 PID: 2711 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 99.533626] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.542322] Backtrace: # [ 99.547126] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.557550] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 99.565382] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.575295] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.582855] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 # [ 99.590868] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.598619] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c6084000 # [ 99.604549] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 99.613776] r9:c1ad7758 r8:c15ec1e0 r7:c6085f60 r6:00000016 r5:c60af000 r4:c6084000 # [ 99.621794] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 99.631723] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 99.642084] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.651479] r4:0000002c # [ 99.654283] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.662563] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.670747] r9:c6085f60 r8:c517c000 r7:00000016 r6:b6e35000 r5:c2fd4a00 r4:c0c5b2ac # [ 99.678768] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 99.686865] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6e35000 r5:c2fd4a00 r4:00000000 # [ 99.694879] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.702284] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c6084000 r5:c2fd4a00 # [ 99.710378] r4:c2fd4a00 # [ 99.713181] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.720585] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 99.728599] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.736435] Exception stack(0xc6085fa8 to 0xc6085ff0) # [ 99.741756] 5fa0: 00000016 00000016 00000001 b6e35000 00000016 00000001 # [ 99.750203] 5fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e35000 00020000 0050fe38 # [ 99.758647] 5fe0: 00000004 be8457e8 b6efb33b b6e74616 # [ 99.764017] irq event stamp: 0 # [ 99.767369] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.773219] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 99.781032] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 99.788839] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.794692]<6>[ 100.208104] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ---[ end trace 34c548d288402d91 <6>[ 100.215717] lkdtm: attempting bad refcount_inc_not_zero() overflow ]--- # [ 99.799628] lkdtm: Ove<4>[ 100.225159] ------------[ cut here ]------------ rflow detected: saturated # REFC<4>[ 100.232925] WARNING: CPU: 0 PID: 2746 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 OUNT_ADD_OVERFLOW: missing 'call <4>[ 100.244601] refcount_t: saturated; leaking memory. trace:': [FAIL] not ok 43 selfte<4>[ 100.252558] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 sts: lkdtm: REFCOUNT_ADD_OVERFLOW<4>[ 100.287522] CPU: 0 PID: 2746 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 100.298345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.305138] Backtrace: <4>[ 100.307870] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.315711] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 100.321643] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.329229] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.336461] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 <4>[ 100.344474] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.352223] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c6620000 <4>[ 100.358155] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 100.367384] r9:c1ad7770 r8:c15ec1e0 r7:c6621f60 r6:0000001f r5:c6493000 r4:7fffffff <4>[ 100.375402] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 100.386110] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 100.398025] r5:c6493000 r4:c6620000 <4>[ 100.401876] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.412052] r4:0000002d <4>[ 100.414856] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.423135] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.431320] r9:c6621f60 r8:c517c000 r7:0000001f r6:b6ddf000 r5:c6498500 r4:c0c5b2ac <4>[ 100.439339] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 100.447438] r9:c07e424c r8:c6621f60 r7:c290d000 r6:b6ddf000 r5:c6498500 r4:00000000 <4>[ 100.455451] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.462855] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c6620000 r5:c6498500 <4>[ 100.470948] r4:c6498500 <4>[ 100.473751] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.481155] r9:c6620000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 100.489171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.497005] Exception stack(0xc6621fa8 to 0xc6621ff0) <4>[ 100.502325] 1fa0: 0000001f 0000001f 00000001 b6ddf000 0000001f 00000001 <4>[ 100.510772] 1fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6ddf000 00020000 0050fe38 <4>[ 100.519218] 1fe0: 00000004 bede97e8 b6ea533b b6e1e616 .sh # exit=1 # selftests: lkdtm:<4>[ 100.524603] irq event stamp: 0 REFCOUNT_INC_NOT_ZERO_OVERFLOW.s<4>[ 100.530813] hardirqs last enabled at (0): [<00000000>] 0x0 h <4>[ 100.539542] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.547539] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.555300] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.561168] ---[ end trace 34c548d288402d92 ]--- <6>[ 100.566060] lkdtm: Overflow detected: saturated # [ 100.208104] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 100.215717] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 100.225159] ------------[ cut here ]------------ # [ 100.232925] WARNING: CPU: 0 PID: 2746 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 100.244601] refcount_t: saturated; leaking memory. # [ 100.252558] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.287522] CPU: 0 PID: 2746 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 100.298345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.305138] Backtrace: # [ 100.307870] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.315711] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 100.321643] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.329229] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.336461] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 # [ 100.344474] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.352223] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c6620000 # [ 100.358155] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 100.367384] r9:c1ad7770 r8:c15ec1e0 r7:c6621f60 r6:0000001f r5:c6493000 r4:7fffffff # [ 100.375402] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 100.386110] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 100.398025] r5:c6493000 r4:c6620000 # [ 100.401876] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.412052] r4:0000002d # [ 100.414856] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.423135] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.431320] r9:c6621f60 r8:c517c000 r7:0000001f r6:b6ddf000 r5:c6498500 r4:c0c5b2ac # [ 100.439339] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 100.447438] r9:c07e424c r8:c6621f60 r7:c290d000 r6:b6ddf000 r5:c6498500 r4:00000000 # [ 100.455451] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.462855] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c6620000 r5:c6498500 # [ 100.470948] r4:c6498500 # [ 100.473751] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.481155] r9:c6620000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 100.489171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.497005] Exception stack(0xc6621fa8 to 0xc6621ff0) # [ 100.502325] 1fa0: 0000001f 0000001f 00000001 b6ddf000 0000001f 00000001 # [ 100.510772] 1fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6ddf000 00020000 0050fe38 # [ 100.519218] 1fe0: 00000004 bede97e8 b6ea533b b6e1e616 # [ 100.524603] irq event stamp: 0 # [ 100.530813] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.539542] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.547539] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <6>[ 100.978494] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 100.555300] softirqs last di<6>[ 100.987991] lkdtm: attempting bad refcount_add_not_zero() overflow sabled at (0): [<00000000>] 0x0 <4>[ 100.997213] ------------[ cut here ]------------ # [ 100.561168] ---[ end trace 3<4>[ 101.004928] WARNING: CPU: 1 PID: 2781 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 4c548d288402d92 ]--- # [ 100.56<4>[ 101.016681] refcount_t: saturated; leaking memory. 6060] lkdtm: Overflow detected: s<4>[ 101.024400] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 aturated # REFCOUNT_INC_NOT_ZERO<4>[ 101.059430] CPU: 1 PID: 2781 Comm: cat Tainted: G D W 5.10.220-cip49 #1 _OVERFLOW: s[s i n1g0 1'.c0a0250] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ll trace:': [FAIL<]4 > [n o t1 0o.078859] Backtrace: k 44 selftests: lkdtm: REFCOU] (dump_backtrace) from [] (show_stack+0x20/0x24) _INC_NOT_ZERO_OVERO[W . s1h01.094086] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # exit=1 # selftes:[ l1k01.102177] [] (show_stack) from [] (dump_stack+0xe0/0x100) tm: REFCOUNT_ADD_NOT_ZERO<_4O>V[ 101.111917] [] (dump_stack) from [] (__warn+0x98/0x14c) RFLOW.sh <4>[ 101.121562] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 <4>[ 101.130432] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.138182] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c6120000 <4>[ 101.144114] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 101.153342] r9:c1ad7790 r8:c15ec1e0 r7:c6121f60 r6:0000001f r5:c60af000 r4:7fffffff <4>[ 101.161363] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 101.172070] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 101.183985] r5:c60af000 r4:c6120000 <4>[ 101.187837] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.198015] r4:0000002e <4>[ 101.200818] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.209098] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.217283] r9:c6121f60 r8:c517c000 r7:0000001f r6:b6de1000 r5:c6074f00 r4:c0c5b2ac <4>[ 101.225302] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 101.233400] r9:c07e424c r8:c6121f60 r7:c290d000 r6:b6de1000 r5:c6074f00 r4:00000000 <4>[ 101.241414] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.248817] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6120000 r5:c6074f00 <4>[ 101.256911] r4:c6074f00 <4>[ 101.259715] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.267119] r9:c6120000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 101.275134] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.282970] Exception stack(0xc6121fa8 to 0xc6121ff0) <4>[ 101.288292] 1fa0: 0000001f 0000001f 00000001 b6de1000 0000001f 00000001 <4>[ 101.296739] 1fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6de1000 00020000 0047fe38 <4>[ 101.305183] 1fe0: 00000004 beecf7e8 b6ea733b b6e20616 <4>[ 101.310533] irq event stamp: 0 <4>[ 101.313867] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.319743] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 101.327539] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 101.335334] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.341235] ---[ end trace 34c548d288402d93 ]--- <6>[ 101.346132] lkdtm: Overflow detected: saturated # [ 100.978494] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 100.987991] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 100.997213] ------------[ cut here ]------------ # [ 101.004928] WARNING: CPU: 1 PID: 2781 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 101.016681] refcount_t: saturated; leaking memory. # [ 101.024400] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.059430] CPU: 1 PID: 2781 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 101.070250] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.078859] Backtrace: # [ 101.083661] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.094086] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 101.102177] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.111917] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.121562] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 # [ 101.130432] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.138182] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c6120000 # [ 101.144114] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 101.153342] r9:c1ad7790 r8:c15ec1e0 r7:c6121f60 r6:0000001f r5:c60af000 r4:7fffffff # [ 101.161363] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 101.172070] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 101.183985] r5:c60af000 r4:c6120000 # [ 101.187837] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.198015] r4:0000002e # [ 101.200818] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.209098] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.217283] r9:c6121f60 r8:c517c000 r7:0000001f r6:b6de1000 r5:c6074f00 r4:c0c5b2ac # [ 101.225302] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 101.233400] r9:c07e424c r8:c6121f60 r7:c290d000 r6:b6de1000 r5:c6074f00 r4:00000000 # [ 101.241414] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.248817] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6120000 r5:c6074f00 # [ 101.256911] r4:c6074f00 # [ 101.259715] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.267119] r9:c6120000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 101.275134] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.282970] Exception stack(0xc6121fa8 to 0xc6121ff0) # [ 101.288292] 1fa0: 0000001f 0000001f 00000001 b6de1000 0000001f 00000001 # [ 101.296739] 1fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6de1000 00020000 0047fe38 # [ 101.305183] 1fe0: 00000004 beecf7e8 b6ea733b b6e20616 # [ 101.310533] irq event stamp: 0 # [ 101.313867] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.319743] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 101.327539] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 101.335334] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.341235] ---[ end trace 34c548d288402d93 ]--- # [ 101.346132] lkdtm: Overflow detec<6>[ 101.772011] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ted: saturated # REFCOUNT_ADD_NO<6>[ 101.780597] lkdtm: attempting good refcount_dec() T_ZERO_OVERFLOW: missing 'call tr<6>[ 101.788311] lkdtm: attempting bad refcount_dec() to zero ace:': [FAIL] not ok 45 selftest<4>[ 101.796731] ------------[ cut here ]------------ s: lkdtm: REFCOUNT_ADD_NOT_ZERO_O<4>[ 101.804497] WARNING: CPU: 2 PID: 2816 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 VERFLOW.sh # exit=1 # selftests:<4>[ 101.816050] refcount_t: decrement hit 0; leaking memory. lkdtm: REFCOUNT_DEC_ZERO.sh <4>[ 101.824473] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 101.859243] CPU: 2 PID: 2816 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 101.867254] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.874048] Backtrace: <4>[ 101.876778] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.884617] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 101.890550] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.898133] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.905363] r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698 <4>[ 101.913378] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.921127] r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c6084000 <4>[ 101.927059] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 101.936286] r9:c1ad77b0 r8:c15ec1e0 r7:c6085f60 r6:00000012 r5:c59ba000 r4:c6084000 <4>[ 101.944304] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 101.954229] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 101.964244] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.973293] r4:0000002f <4>[ 101.976096] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.984375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.992563] r9:c6085f60 r8:c517c000 r7:00000012 r6:b6e40000 r5:c5f57cc0 r4:c0c5b2ac <4>[ 102.000584] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 102.008683] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6e40000 r5:c5f57cc0 r4:00000000 <4>[ 102.016696] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.024101] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6084000 r5:c5f57cc0 <4>[ 102.032195] r4:c5f57cc0 <4>[ 102.034999] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.042402] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 102.050418] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.058253] Exception stack(0xc6085fa8 to 0xc6085ff0) <4>[ 102.063576] 5fa0: 00000012 00000012 00000001 b6e40000 00000012 00000001 <4>[ 102.072024] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e40000 00020000 0046fe38 <4>[ 102.080467] 5fe0: 00000004 bebbb7e8 b6f0633b b6e7f616 <4>[ 102.085876] irq event stamp: 0 <4>[ 102.089233] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.095086] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 102.102889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 102.110705] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.116555] ---[ end trace 34c548d288402d94 ]--- <6>[ 102.121489] lkdtm: Zero detected: saturated # [ 101.772011] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 101.780597] lkdtm: attempting good refcount_dec() # [ 101.788311] lkdtm: attempting bad refcount_dec() to zero # [ 101.796731] ------------[ cut here ]------------ # [ 101.804497] WARNING: CPU: 2 PID: 2816 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 101.816050] refcount_t: decrement hit 0; leaking memory. # [ 101.824473] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.859243] CPU: 2 PID: 2816 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 101.867254] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.874048] Backtrace: # [ 101.876778] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.884617] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 101.890550] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.898133] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.905363] r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698 # [ 101.913378] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.921127] r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c6084000 # [ 101.927059] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 101.936286] r9:c1ad77b0 r8:c15ec1e0 r7:c6085f60 r6:00000012 r5:c59ba000 r4:c6084000 # [ 101.944304] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 101.954229] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 101.964244] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.973293] r4:0000002f # [ 101.976096] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.984375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.992563] r9:c6085f60 r8:c517c000 r7:00000012 r6:b6e40000 r5:c5f57cc0 r4:c0c5b2ac # [ 102.000584] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 102.008683] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6e40000 r5:c5f57cc0 r4:00000000 # [ 102.016696] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.024101] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6084000 r5:c5f57cc0 # [ 102.032195] r4:c5f57cc0 # [ 102.034999] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.042402] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 102.050418] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.058253] Exception stack(0xc6085fa8 to 0xc6085ff0) # [ 102.063576] 5fa0: 00000012 00000012 00000001 b6e40000 00000012 00000001 # [ 102.072024] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e40000 00020000 0046fe38 # [ 102.080467] 5fe0: 00000004 bebbb7e8 b6f0633b b6e7f616 # [ 102.085876] irq event stamp: 0 # [ 102.089233] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.095086] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 102.102889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 102.110705] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.116555] ---[ end trace 34c548d288402d94 ]--- # [ 102.121489] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not<6>[ 102.546216] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ok 46 selftests: lkdtm: REFCOUNT<6>[ 102.553514] lkdtm: attempting bad refcount_dec() below zero _DEC_ZERO.sh # exit=1 # selftest<4>[ 102.562162] ------------[ cut here ]------------ s: lkdtm: REFCOUNT_DEC_NEGATIVE.s<4>[ 102.569974] WARNING: CPU: 2 PID: 2854 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 h <4>[ 102.581485] refcount_t: decrement hit 0; leaking memory. <4>[ 102.587311] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 102.619785] CPU: 2 PID: 2854 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 102.627797] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.634589] Backtrace: <4>[ 102.637321] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.645161] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 102.651093] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.658678] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 102.665910] r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698 <4>[ 102.673924] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.681674] r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c6084000 <4>[ 102.687606] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 102.696833] r9:c1ad77c4 r8:c15ec1e0 r7:c6085f60 r6:00000016 r5:00000000 r4:c6084000 <4>[ 102.704853] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 102.714780] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 102.725144] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.734543] r5:c626d000 r4:00000030 <4>[ 102.738389] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.746668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.754854] r9:c6085f60 r8:c517c000 r7:00000016 r6:b6dcf000 r5:c5a3f680 r4:c0c5b2ac <4>[ 102.762873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 102.770971] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6dcf000 r5:c5a3f680 r4:00000000 <4>[ 102.778984] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.786388] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6084000 r5:c5a3f680 <4>[ 102.794481] r4:c5a3f680 <4>[ 102.797285] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.804689] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 102.812703] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.820539] Exception stack(0xc6085fa8 to 0xc6085ff0) <4>[ 102.825862] 5fa0: 00000016 00000016 00000001 b6dcf000 00000016 00000001 <4>[ 102.834309] 5fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dcf000 00020000 0047fe38 <4>[ 102.842753] 5fe0: 00000004 befb67e8 b6e9533b b6e0e616 <4>[ 102.848127] irq event stamp: 0 <4>[ 102.851461] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.857339] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 102.865099] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 102.872912] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.878797] ---[ end trace 34c548d288402d95 ]--- <6>[ 102.883689] lkdtm: Negative detected: saturated # [ 102.546216] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 102.553514] lkdtm: attempting bad refcount_dec() below zero # [ 102.562162] ------------[ cut here ]------------ # [ 102.569974] WARNING: CPU: 2 PID: 2854 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 102.581485] refcount_t: decrement hit 0; leaking memory. # [ 102.587311] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.619785] CPU: 2 PID: 2854 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 102.627797] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.634589] Backtrace: # [ 102.637321] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.645161] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 102.651093] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.658678] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.665910] r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698 # [ 102.673924] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.681674] r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c6084000 # [ 102.687606] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 102.696833] r9:c1ad77c4 r8:c15ec1e0 r7:c6085f60 r6:00000016 r5:00000000 r4:c6084000 # [ 102.704853] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 102.714780] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 102.725144] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.734543] r5:c626d000 r4:00000030 # [ 102.738389] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.746668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.754854] r9:c6085f60 r8:c517c000 r7:00000016 r6:b6dcf000 r5:c5a3f680 r4:c0c5b2ac # [ 102.762873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 102.770971] r9:c07e424c r8:c6085f60 r7:c290d000 r6:b6dcf000 r5:c5a3f680 r4:00000000 # [ 102.778984] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.786388] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6084000 r5:c5a3f680 # [ 102.794481] r4:c5a3f680 # [ 102.797285] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.804689] r9:c6084000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 102.812703] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.820539] Exception stack(0xc6085fa8 to 0xc6085ff0) # [ 102.825862] 5fa0: 00000016 00000016 00000001 b6dcf000 00000016 00000001 # [ 102.834309] 5fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dcf000 00020000 0047fe38 # [ 102.842753] 5fe0: 00000004 befb67e8 b6e9533b b6e0e616 # [ 102.848127] irq event stamp: 0 # [ 102.851461] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.857339] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 102.865099] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 102.872912] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.878797] ---[ end trace 34c548d288402d95 ]--- # [ 102.883689] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negativ<6>[ 103.305576] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE e detected: saturated': ok ok 47<6>[ 103.315016] lkdtm: attempting bad refcount_dec_and_test() below zero selftests: lkdtm: REFCOUNT_DEC_N<4>[ 103.324387] ------------[ cut here ]------------ EGATIVE.sh # selftests: lkdtm: R<4>[ 103.332247] WARNING: CPU: 1 PID: 2890 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 EFCOUNT_DEC_AND_TEST_NEGATIVE.sh <4>[ 103.343784] refcount_t: underflow; use-after-free. <4>[ 103.351684] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 103.384156] CPU: 1 PID: 2890 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 103.392167] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 103.398960] Backtrace: <4>[ 103.401692] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 103.409532] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 103.415463] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 103.423046] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 103.430277] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 <4>[ 103.438291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 103.446041] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c664a000 <4>[ 103.451973] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 103.461288] r9:c1ad77dc r8:c15ec1e0 r7:c664bf60 r6:0000001f r5:00000000 r4:c664a000 <4>[ 103.469307] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 103.480019] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 103.491941] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 103.502119] r5:c6115000 r4:00000031 <4>[ 103.505964] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 103.514243] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 103.522430] r9:c664bf60 r8:c517c000 r7:0000001f r6:b6e71000 r5:c2fd5680 r4:c0c5b2ac <4>[ 103.530449] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 103.538550] r9:c07e424c r8:c664bf60 r7:c290d000 r6:b6e71000 r5:c2fd5680 r4:00000000 <4>[ 103.546562] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 103.553967] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c664a000 r5:c2fd5680 <4>[ 103.562060] r4:c2fd5680 <4>[ 103.564865] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 103.572270] r9:c664a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 103.580287] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.588122] Exception stack(0xc664bfa8 to 0xc664bff0) <4>[ 103.593443] bfa0: 0000001f 0000001f 00000001 b6e71000 0000001f 00000001 <4>[ 103.601889] bfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e71000 00020000 0050fe38 <4>[ 103.610334] bfe0: 00000004 bea1e7e8 b6f3733b b6eb0616 <4>[ 103.615725] irq event stamp: 0 <4>[ 103.619092] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 103.624947] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 103.632737] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 103.640523] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 103.646368] ---[ end trace 34c548d288402d96 ]--- <6>[ 103.651285] lkdtm: Negative detected: saturated # [ 103.305576] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 103.315016] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 103.324387] ------------[ cut here ]------------ # [ 103.332247] WARNING: CPU: 1 PID: 2890 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 103.343784] refcount_t: underflow; use-after-free. # [ 103.351684] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 103.384156] CPU: 1 PID: 2890 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 103.392167] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.398960] Backtrace: # [ 103.401692] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.409532] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 103.415463] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.423046] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 103.430277] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 # [ 103.438291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 103.446041] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c664a000 # [ 103.451973] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 103.461288] r9:c1ad77dc r8:c15ec1e0 r7:c664bf60 r6:0000001f r5:00000000 r4:c664a000 # [ 103.469307] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 103.480019] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 103.491941] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.502119] r5:c6115000 r4:00000031 # [ 103.505964] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.514243] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.522430] r9:c664bf60 r8:c517c000 r7:0000001f r6:b6e71000 r5:c2fd5680 r4:c0c5b2ac # [ 103.530449] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 103.538550] r9:c07e424c r8:c664bf60 r7:c290d000 r6:b6e71000 r5:c2fd5680 r4:00000000 # [ 103.546562] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.553967] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c664a000 r5:c2fd5680 # [ 103.562060] r4:c2fd5680 # [ 103.564865] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.572270] r9:c664a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 103.580287] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.588122] Exception stack(0xc664bfa8 to 0xc664bff0) # [ 103.593443] bfa0: 0000001f 0000001f 00000001 b6e71000 0000001f 00000001 # [ 103.601889] bfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e71000 00020000 0050fe38 # [ 103.610334] bfe0: 00000004 bea1e7e8 b6f3733b b6eb0616 # [ 103.615725] irq event stamp: 0 # [ 103.619092] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.624947] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 103.632737] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 103.640523] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.646368] ---[ end trace 34c548d288402d96 ]--- # [ 103.651285] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEG<6>[ 104.091801] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ATIVE.sh # selftests: lkdtm: REF<6>[ 104.100041] lkdtm: attempting bad refcount_sub_and_test() below zero COUNT_SUB_AND_TEST_NEGATIVE.sh <4>[ 104.109499] ------------[ cut here ]------------ <4>[ 104.117152] WARNING: CPU: 2 PID: 2926 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 104.125948] refcount_t: underflow; use-after-free. <4>[ 104.131078] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 104.163569] CPU: 2 PID: 2926 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 104.171582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.178377] Backtrace: <4>[ 104.181109] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.188949] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 104.194882] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.202469] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.209700] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 <4>[ 104.217715] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.225467] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c466a000 <4>[ 104.231400] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 104.240714] r9:c1ad77fc r8:c15ec1e0 r7:c466bf60 r6:0000001f r5:c62a3000 r4:c466a000 <4>[ 104.248734] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 104.259447] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 104.271368] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 104.281546] r4:00000032 <4>[ 104.284352] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 104.292631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 104.300818] r9:c466bf60 r8:c517c000 r7:0000001f r6:b6db1000 r5:c5b292c0 r4:c0c5b2ac <4>[ 104.308836] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 104.316936] r9:c07e424c r8:c466bf60 r7:c290d000 r6:b6db1000 r5:c5b292c0 r4:00000000 <4>[ 104.324949] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 104.332353] r10:00000004 r9:00000000 r8:00000000 r7:b6db1000 r6:c466a000 r5:c5b292c0 <4>[ 104.340446] r4:c5b292c0 <4>[ 104.343250] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 104.350653] r9:c466a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 104.358669] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 104.366503] Exception stack(0xc466bfa8 to 0xc466bff0) <4>[ 104.371826] bfa0: 0000001f 0000001f 00000001 b6db1000 0000001f 00000001 <4>[ 104.380272] bfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6db1000 00020000 0041fe38 <4>[ 104.388715] bfe0: 00000004 bec477e8 b6e7733b b6df0616 <4>[ 104.394097] irq event stamp: 0 <4>[ 104.397456] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 104.403307] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 104.411124] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 104.418965] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 104.424818] ---[ end trace 34c548d288402d97 ]--- <6>[ 104.429749] lkdtm: Negative detected: saturated # [ 104.091801] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 104.100041] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 104.109499] ------------[ cut here ]------------ # [ 104.117152] WARNING: CPU: 2 PID: 2926 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 104.125948] refcount_t: underflow; use-after-free. # [ 104.131078] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.163569] CPU: 2 PID: 2926 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 104.171582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.178377] Backtrace: # [ 104.181109] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.188949] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 104.194882] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.202469] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.209700] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 # [ 104.217715] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.225467] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c466a000 # [ 104.231400] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 104.240714] r9:c1ad77fc r8:c15ec1e0 r7:c466bf60 r6:0000001f r5:c62a3000 r4:c466a000 # [ 104.248734] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 104.259447] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 104.271368] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.281546] r4:00000032 # [ 104.284352] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.292631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.300818] r9:c466bf60 r8:c517c000 r7:0000001f r6:b6db1000 r5:c5b292c0 r4:c0c5b2ac # [ 104.308836] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 104.316936] r9:c07e424c r8:c466bf60 r7:c290d000 r6:b6db1000 r5:c5b292c0 r4:00000000 # [ 104.324949] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.332353] r10:00000004 r9:00000000 r8:00000000 r7:b6db1000 r6:c466a000 r5:c5b292c0 # [ 104.340446] r4:c5b292c0 # [ 104.343250] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.350653] r9:c466a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 104.358669] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.366503] Exception stack(0xc466bfa8 to 0xc466bff0) # [ 104.371826] bfa0: 0000001f 0000001f 00000001 b6db1000 0000001f 00000001 # [ 104.380272] bfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6db1000 00020000 0041fe38 # [ 104.388715] bfe0: 00000004 bec477e8 b6e7733b b6df0616 # [ 104.394097] irq event stamp: 0 # [ 104.397456] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.403307] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 104.411124] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 104.418965] softirqs last disabled at (0): [<00000000>]<6>[ 104.845975] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 0x0 # [ 104.424818] ---[ end t<6>[ 104.853049] lkdtm: attempting safe refcount_inc_not_zero() from zero race 34c548d288402d97 ]--- # [ <6>[ 104.862546] lkdtm: Good: zero detected 104.429749] lkdtm: Negative detec<6>[ 104.869483] lkdtm: Correctly stayed at zero ted: saturated # REFCOUNT_SUB_AN<6>[ 104.876766] lkdtm: attempting bad refcount_inc() from zero D_TEST_NEGATIVE: saw 'Negative de<4>[ 104.885374] ------------[ cut here ]------------ tected: saturated': ok ok 49 sel<4>[ 104.893148] WARNING: CPU: 0 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 ftests: lkdtm: REFCOUNT_SUB_AND_T<4>[ 104.904796] refcount_t: addition on 0; use-after-free. EST_NEGATIVE.sh # selftests: lkd<4>[ 104.913080] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 tm: REFCOUNT_INC_ZERO.sh <4>[ 104.948100] CPU: 0 PID: 2959 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 104.958321] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.965114] Backtrace: <4>[ 104.967844] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.975684] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 104.981616] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.989201] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.996434] r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698 <4>[ 105.004446] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 105.012196] r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c66ba000 <4>[ 105.018127] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 105.027442] r9:c1ad781c r8:c15ec1e0 r7:c66bbf60 r6:00000012 r5:00000000 r4:c66ba000 <4>[ 105.035460] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 105.045390] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 105.055402] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.064453] r5:c6547000 r4:00000033 <4>[ 105.068298] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.076580] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.084764] r9:c66bbf60 r8:c517c000 r7:00000012 r6:b6dfc000 r5:c614e8c0 r4:c0c5b2ac <4>[ 105.092783] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 105.100882] r9:c07e424c r8:c66bbf60 r7:c290d000 r6:b6dfc000 r5:c614e8c0 r4:00000000 <4>[ 105.108895] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.116300] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c66ba000 r5:c614e8c0 <4>[ 105.124395] r4:c614e8c0 <4>[ 105.127200] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.134604] r9:c66ba000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 105.142619] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.150454] Exception stack(0xc66bbfa8 to 0xc66bbff0) <4>[ 105.155776] bfa0: 00000012 00000012 00000001 b6dfc000 00000012 00000001 <4>[ 105.164223] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dfc000 00020000 004afe38 <4>[ 105.172667] bfe0: 00000004 becb27e8 b6ec233b b6e3b616 <4>[ 105.178012] irq event stamp: 0 <4>[ 105.181343] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.187216] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 105.194974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 105.202751] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 105.208622] ---[ end trace 34c548d288402d98 ]--- <6>[ 105.213512] lkdtm: Zero detected: saturated # [ 104.845975] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 104.853049] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 104.862546] lkdtm: Good: zero detected # [ 104.869483] lkdtm: Correctly stayed at zero # [ 104.876766] lkdtm: attempting bad refcount_inc() from zero # [ 104.885374] ------------[ cut here ]------------ # [ 104.893148] WARNING: CPU: 0 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 104.904796] refcount_t: addition on 0; use-after-free. # [ 104.913080] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.948100] CPU: 0 PID: 2959 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 104.958321] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.965114] Backtrace: # [ 104.967844] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.975684] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 104.981616] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.989201] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.996434] r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698 # [ 105.004446] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.012196] r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c66ba000 # [ 105.018127] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 105.027442] r9:c1ad781c r8:c15ec1e0 r7:c66bbf60 r6:00000012 r5:00000000 r4:c66ba000 # [ 105.035460] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 105.045390] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 105.055402] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.064453] r5:c6547000 r4:00000033 # [ 105.068298] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.076580] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.084764] r9:c66bbf60 r8:c517c000 r7:00000012 r6:b6dfc000 r5:c614e8c0 r4:c0c5b2ac # [ 105.092783] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 105.100882] r9:c07e424c r8:c66bbf60 r7:c290d000 r6:b6dfc000 r5:c614e8c0 r4:00000000 # [ 105.108895] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.116300] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c66ba000 r5:c614e8c0 # [ 105.124395] r4:c614e8c0 # [ 105.127200] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.134604] r9:c66ba000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 105.142619] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.150454] Exception stack(0xc66bbfa8 to 0xc66bbff0) # [ 105.155776] bfa0: 00000012 00000012 00000001 b6dfc000 00000012 00000001 # [ 105.164223] bfc0: 00000012 00000012 7ff00000 00000004 00000001 b6dfc000 00020000 004afe38 # [ 105.172667] bfe0: 00000004 becb27e8 b6ec233b b6e3b616 # [ 105.178012] irq event stamp: 0 # [ 105.181343] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.187216] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 105.194974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 105.202751] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.208622] ---[ end trace 34c548d288402d98 ]--- # [ 105.213512] lkdtm: Z<6>[ 105.653014] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ero detected: saturated # REFCOU<6>[ 105.659859] lkdtm: attempting safe refcount_add_not_zero() from zero NT_INC_ZERO: missing 'call trace:<6>[ 105.669441] lkdtm: Good: zero detected ': [FAIL] not ok 50 selftests: <6>[ 105.676167] lkdtm: Correctly stayed at zero lkdtm: REFCOUNT_INC_ZERO.sh # exi<6>[ 105.683422] lkdtm: attempting bad refcount_add() from zero t=1 # selftests: lkdtm: REFCOUNT<4>[ 105.692025] ------------[ cut here ]------------ _ADD_ZERO.sh <4>[ 105.699840] WARNING: CPU: 2 PID: 2994 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 105.709764] refcount_t: addition on 0; use-after-free. <4>[ 105.715173] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 105.747654] CPU: 2 PID: 2994 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 105.755664] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.762457] Backtrace: <4>[ 105.765191] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.773032] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 105.778964] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.786548] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 105.793779] r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698 <4>[ 105.801795] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 105.809544] r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c5ce6000 <4>[ 105.815475] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 105.824788] r9:c1ad7830 r8:c15ec1e0 r7:c5ce7f60 r6:00000012 r5:00000000 r4:c5ce6000 <4>[ 105.832808] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 105.842736] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 105.852749] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.861800] r5:c5b1d000 r4:00000034 <4>[ 105.865645] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.873923] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.882109] r9:c5ce7f60 r8:c517c000 r7:00000012 r6:b6de3000 r5:c5b283c0 r4:c0c5b2ac <4>[ 105.890129] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 105.898227] r9:c07e424c r8:c5ce7f60 r7:c290d000 r6:b6de3000 r5:c5b283c0 r4:00000000 <4>[ 105.906239] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.913643] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c5ce6000 r5:c5b283c0 <4>[ 105.921736] r4:c5b283c0 <4>[ 105.924541] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.931946] r9:c5ce6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 105.939961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.947797] Exception stack(0xc5ce7fa8 to 0xc5ce7ff0) <4>[ 105.953118] 7fa0: 00000012 00000012 00000001 b6de3000 00000012 00000001 <4>[ 105.961564] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6de3000 00020000 0047fe38 <4>[ 105.970008] 7fe0: 00000004 befdc7e8 b6ea933b b6e22616 <4>[ 105.975382] irq event stamp: 0 <4>[ 105.978737] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.984589] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 105.992394] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 106.000362] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.006219] ---[ end trace 34c548d288402d99 ]--- <6>[ 106.011160] lkdtm: Zero detected: saturated # [ 105.653014] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 105.659859] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 105.669441] lkdtm: Good: zero detected # [ 105.676167] lkdtm: Correctly stayed at zero # [ 105.683422] lkdtm: attempting bad refcount_add() from zero # [ 105.692025] ------------[ cut here ]------------ # [ 105.699840] WARNING: CPU: 2 PID: 2994 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 105.709764] refcount_t: addition on 0; use-after-free. # [ 105.715173] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.747654] CPU: 2 PID: 2994 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 105.755664] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.762457] Backtrace: # [ 105.765191] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.773032] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 105.778964] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.786548] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 105.793779] r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698 # [ 105.801795] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.809544] r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c5ce6000 # [ 105.815475] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 105.824788] r9:c1ad7830 r8:c15ec1e0 r7:c5ce7f60 r6:00000012 r5:00000000 r4:c5ce6000 # [ 105.832808] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 105.842736] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 105.852749] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.861800] r5:c5b1d000 r4:00000034 # [ 105.865645] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.873923] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.882109] r9:c5ce7f60 r8:c517c000 r7:00000012 r6:b6de3000 r5:c5b283c0 r4:c0c5b2ac # [ 105.890129] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 105.898227] r9:c07e424c r8:c5ce7f60 r7:c290d000 r6:b6de3000 r5:c5b283c0 r4:00000000 # [ 105.906239] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.913643] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c5ce6000 r5:c5b283c0 # [ 105.921736] r4:c5b283c0 # [ 105.924541] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.931946] r9:c5ce6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 105.939961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.947797] Exception stack(0xc5ce7fa8 to 0xc5ce7ff0) # [ 105.953118] 7fa0: 00000012 00000012 00000001 b6de3000 00000012 00000001 # [ 105.961564] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6de3000 00020000 0047fe38 # [ 105.970008] 7fe0: 00000004 befdc7e8 b6ea933b b6e22616 # [ 105.975382] irq event stamp: 0 # [ 105.978737] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.984589] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 105.992394] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 106.000362] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.006219] ---[ end trace 34c548d288402d99 ]--- # [ 106.011160] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SAT<6>[ 106.464086] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED URATED.sh <6>[ 106.472560] lkdtm: attempting bad refcount_inc() from saturated <4>[ 106.479645] ------------[ cut here ]------------ <4>[ 106.484560] WARNING: CPU: 3 PID: 3032 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 106.493375] refcount_t: saturated; leaking memory. <4>[ 106.498495] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 106.530996] CPU: 3 PID: 3032 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 106.539007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 106.545800] Backtrace: <4>[ 106.548532] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 106.556371] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 106.562304] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 106.569888] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 106.577119] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 <4>[ 106.585131] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 106.592881] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5ce6000 <4>[ 106.598813] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 106.608041] r9:c1ad7844 r8:c15ec1e0 r7:c5ce7f60 r6:00000017 r5:c654a000 r4:c5ce6000 <4>[ 106.616059] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 106.625989] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 106.636435] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 106.645920] r4:00000035 <4>[ 106.648724] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 106.657002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 106.665188] r9:c5ce7f60 r8:c517c000 r7:00000017 r6:b6e17000 r5:c626e500 r4:c0c5b2ac <4>[ 106.673206] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 106.681307] r9:c07e424c r8:c5ce7f60 r7:c290d000 r6:b6e17000 r5:c626e500 r4:00000000 <4>[ 106.689319] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 106.696724] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c5ce6000 r5:c626e500 <4>[ 106.704817] r4:c626e500 <4>[ 106.707620] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 106.715023] r9:c5ce6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 106.723037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 106.730873] Exception stack(0xc5ce7fa8 to 0xc5ce7ff0) <4>[ 106.736194] 7fa0: 00000017 00000017 00000001 b6e17000 00000017 00000001 <4>[ 106.744641] 7fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e17000 00020000 0050fe38 <4>[ 106.753084] 7fe0: 00000004 bea047e8 b6edd33b b6e56616 <4>[ 106.758483] irq event stamp: 0 <4>[ 106.761816] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 106.767701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 106.775479] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 106.783339] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.789248] ---[ end trace 34c548d288402d9a ]--- <6>[ 106.794145] lkdtm: Saturation detected: still saturated # [ 106.464086] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 106.472560] lkdtm: attempting bad refcount_inc() from saturated # [ 106.479645] ------------[ cut here ]------------ # [ 106.484560] WARNING: CPU: 3 PID: 3032 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 106.493375] refcount_t: saturated; leaking memory. # [ 106.498495] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 106.530996] CPU: 3 PID: 3032 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 106.539007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.545800] Backtrace: # [ 106.548532] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.556371] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 106.562304] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.569888] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 106.577119] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 # [ 106.585131] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 106.592881] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5ce6000 # [ 106.598813] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 106.608041] r9:c1ad7844 r8:c15ec1e0 r7:c5ce7f60 r6:00000017 r5:c654a000 r4:c5ce6000 # [ 106.616059] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 106.625989] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 106.636435] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.645920] r4:00000035 # [ 106.648724] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.657002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.665188] r9:c5ce7f60 r8:c517c000 r7:00000017 r6:b6e17000 r5:c626e500 r4:c0c5b2ac # [ 106.673206] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 106.681307] r9:c07e424c r8:c5ce7f60 r7:c290d000 r6:b6e17000 r5:c626e500 r4:00000000 # [ 106.689319] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.696724] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c5ce6000 r5:c626e500 # [ 106.704817] r4:c626e500 # [ 106.707620] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.715023] r9:c5ce6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 106.723037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.730873] Exception stack(0xc5ce7fa8 to 0xc5ce7ff0) # [ 106.736194] 7fa0: 00000017 00000017 00000001 b6e17000 00000017 00000001 # [ 106.744641] 7fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e17000 00020000 0050fe38 # [ 106.753084] 7fe0: 00000004 bea047e8 b6edd33b b6e56616 # [ 106.758483] irq event stamp: 0 # [ 106.761816] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 106.767701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 106.775479] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 106.783339] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.789248] ---[ end trace 34c548d288402d9a ]--- # [ 106.794145] 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>[ 107.241984] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 107.248511] lkdtm: attempting bad refcount_dec() from saturated <4>[ 107.254736] ------------[ cut here ]------------ <4>[ 107.259710] WARNING: CPU: 1 PID: 3068 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 107.268519] refcount_t: decrement hit 0; leaking memory. <4>[ 107.274130] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 107.306604] CPU: 1 PID: 3068 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 107.314615] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.321409] Backtrace: <4>[ 107.324141] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.331981] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 107.337917] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.345503] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 107.352735] r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698 <4>[ 107.360751] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 107.368501] r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c6582000 <4>[ 107.374433] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 107.383659] r9:c1ad785c r8:c15ec1e0 r7:c6583f60 r6:00000017 r5:c60af000 r4:c6582000 <4>[ 107.391677] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 107.401603] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 107.412052] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 107.421536] r4:00000036 <4>[ 107.424339] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 107.432617] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 107.440803] r9:c6583f60 r8:c517c000 r7:00000017 r6:b6da5000 r5:c6074000 r4:c0c5b2ac <4>[ 107.448823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 107.456921] r9:c07e424c r8:c6583f60 r7:c290d000 r6:b6da5000 r5:c6074000 r4:00000000 <4>[ 107.464935] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 107.472338] r10:00000004 r9:00000000 r8:00000000 r7:b6da5000 r6:c6582000 r5:c6074000 <4>[ 107.480431] r4:c6074000 <4>[ 107.483237] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 107.490641] r9:c6582000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 107.498658] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 107.506493] Exception stack(0xc6583fa8 to 0xc6583ff0) <4>[ 107.511816] 3fa0: 00000017 00000017 00000001 b6da5000 00000017 00000001 <4>[ 107.520264] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6da5000 00020000 0048fe38 <4>[ 107.528708] 3fe0: 00000004 beb0a7e8 b6e6b33b b6de4616 <4>[ 107.534091] irq event stamp: 0 <4>[ 107.537447] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 107.543299] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 107.551109] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 107.558906] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 107.564762] ---[ end trace 34c548d288402d9b ]--- <6>[ 107.569705] lkdtm: Saturation detected: still saturated # [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] # [ 0.000000] Movable zone start for each node # [ 0.000000] Early memory node ranges # [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] # [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] # [ 0.000000] On node 0 totalpages: 262144 # [ 0.000000] DMA zone: 1536 pages used for memmap # [ 0.000000] DMA zone: 0 pages reserved # [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 # [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14493450/extract-nfsrootfs-y7fexkrt,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 920724K/1048576K available (17408K kernel code, 2714K rwdata, 8152K rodata, 2048K init, 6693K bss, 62316K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56179 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 107.241984] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 107.248511] lkdtm: attempting bad refcount_dec() from saturated # [ 107.254736] ------------[ cut here ]------------ # [ 107.259710] WARNING: CPU: 1 PID: 3068 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 107.268519] refcount_t: decrement hit 0; leaking memory. # [ 107.274130] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 107.306604] CPU: 1 PID: 3068 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 107.314615] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.321409] Backtrace: # [ 107.324141] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.331981] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 107.337917] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.345503] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 107.352735] r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698 # [ 107.360751] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 107.368501] r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c6582000 # [ 107.374433] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 107.383659] r9:c1ad785c r8:c15ec1e0 r7:c6583f60 r6:00000017 r5:c60af000 r4:c6582000 # [ 107.391677] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 107.401603] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 107.412052] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.421536] r4:00000036 # [ 107.424339] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.432617] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.440803] r9:c6583f60 r8:c517c000 r7:00000017 r6:b6da5000 r5:c6074000 r4:c0c5b2ac # [ 107.448823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 107.456921] r9:c07e424c r8:c65<6>[ 108.044166] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 83f60 r7:c290d000 r6:b6da5000 r5:<6>[ 108.051174] lkdtm: attempting bad refcount_dec() from saturated c6074000 r4:00000000 # [ 107.46<4>[ 108.060154] ------------[ cut here ]------------ 4935] [] (vfs_write) fr<4>[ 108.068063] WARNING: CPU: 0 PID: 3104 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 om [] (ksys_write+0x74/<4>[ 108.079571] refcount_t: saturated; leaking memory. 0xec) # [ 107.472338] r10:0000<4>[ 108.087580] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0004 r9:00000000 r8:00000000 r7:b<4>[ 108.122547] CPU: 0 PID: 3104 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 108.133371] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.140164] Backtrace: <4>[ 108.142894] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.150737] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 108.156669] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.164254] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 108.171487] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 <4>[ 108.179501] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 108.187252] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c628e000 <4>[ 108.193184] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 108.202412] r9:c1ad7874 r8:c15ec1e0 r7:c628ff60 r6:00000017 r5:c6626000 r4:c628e000 <4>[ 108.210433] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 108.220362] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 108.230811] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 108.240293] r4:00000037 <4>[ 108.243097] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 108.251374] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 108.259561] r9:c628ff60 r8:c517c000 r7:00000017 r6:b6e93000 r5:c60532c0 r4:c0c5b2ac <4>[ 108.267581] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 108.275681] r9:c07e424c r8:c628ff60 r7:c290d000 r6:b6e93000 r5:c60532c0 r4:00000000 <4>[ 108.283693] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 108.291097] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c628e000 r5:c60532c0 <4>[ 108.299191] r4:c60532c0 <4>[ 108.301994] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 108.309399] r9:c628e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 108.317413] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 108.325248] Exception stack(0xc628ffa8 to 0xc628fff0) <4>[ 108.330572] ffa0: 00000017 00000017 00000001 b6e93000 00000017 00000001 <4>[ 108.339017] ffc0: 00000017 00000017 7ff00000 00000004 00000001 b6e93000 00020000 0046fe38 <4>[ 108.347462] ffe0: 00000004 bed487e8 b6f5933b b6ed2616 6da5000 r6:c6582000 r5:c6074000 <4>[ 108.352842] irq event stamp: 0 # [ 107.480431] r4:c6074000 # <4>[ 108.359053] hardirqs last enabled at (0): [<00000000>] 0x0 [ 107.483237] [] (ksys<4>[ 108.367826] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac _write) from [] (sys_wr<4>[ 108.378447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac ite+0x18/0x1c) # [ 107.490641] <4>[ 108.389066] softirqs last disabled at (0): [<00000000>] 0x0 r9:c6582000 r8:c03002e4 r7:00000<4>[ 108.397782] ---[ end trace 34c548d288402d9c ]--- 004 r6:7ff00000 r5:00000017 r4:00<6>[ 108.405514] lkdtm: Saturation detected: still saturated 000017 # [ 107.498658] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.506493] Exception stack(0xc6583fa8 to 0xc6583ff0) # [ 107.511816] 3fa0: 00000017 00000017 00000001 b6da5000 00000017 00000001 # [ 107.520264] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6da5000 00020000 0048fe38 # [ 107.528708] 3fe0: 00000004 beb0a7e8 b6e6b33b b6de4616 # [ 107.534091] irq event stamp: 0 # [ 107.537447] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 107.543299] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 107.551109] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 107.558906] softirqs last disabled at (0): [<00000000>] 0x0 # [ 107.564762] ---[ end trace 34c548d288402d9b ]--- # [ 107.569705] 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 # [ 108.044166] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 108.051174] lkdtm: attempting bad refcount_dec() from saturated # [ 108.060154] ------------[ cut here ]------------ # [ 108.068063] WARNING: CPU: 0 PID: 3104 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 108.079571] refcount_t: saturated; leaking memory. # [ 108.087580] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.122547] CPU: 0 PID: 3104 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 108.133371] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.140164] Backtrace: # [ 108.142894] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.150737] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 108.156669] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.164254] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 108.171487] r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698 # [ 108.179501] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.187252] r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c628e000 # [ 108.193184] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 108.202412] r9:c1ad7874 r8:c15ec1e0 r7:c628ff60 r6:00000017 r5:c6626000 r4:c628e000 # [ 108.210433] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 108.220362] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 108.230811] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.240293] r4:00000037 # [ 108.243097] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.251374] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.259561] r9:c628ff60 r8:c517c000 r7:00000017 r6:b6e93000 r5:c60532c0 r4:c0c5b2ac # [ 108.267581] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 108.275681] r9:c07e424c r8:c628ff60 r7:c290d000 r6:b6e93000 r5:c60532c0 r4:00000000 # [ 108.283693] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.291097] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c628e000 r5:c60532c0 # [ 108.299191] r4:c60532c0 # [ 108.301994] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.309399] r9:c628e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 108.317413] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.325248] Exception stack(0xc628ffa8 to 0xc628fff0) # [ 108.330572] ffa0: 00000017 00000017 00000001 b6e93000 00000017 00000001 # [ 108.339017] ffc0: 00000017 00000017 7ff00000 00000004 00000001 b6e93000 00020000 0046fe38 # [ 108.347462] ffe0: 00000004 bed487e8 b6f5933b b6ed2616 # [ 108.352842] irq event stamp: 0 # [ 108.359053] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 108.367826] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 108.378447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 108.389066] softirqs last disabled at (0): [<00000000>] 0x0 # [ 108.397782] ---[ end trace 34c548d288402d9c ]--- # [ 108.405514] lkdtm: Saturation detected: still saturated # REFCO<6>[ 108.851227] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED UNT_ADD_SATURATED: saw 'Saturatio<6>[ 108.858958] lkdtm: attempting bad refcount_inc_not_zero() from saturated n detected: still saturated': ok <4>[ 108.868809] ------------[ cut here ]------------ ok 54 selftests: lkdtm: REFCOUNT<4>[ 108.876519] WARNING: CPU: 0 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 _ADD_SATURATED.sh # selftests: l<4>[ 108.888155] refcount_t: saturated; leaking memory. kdtm: REFCOUNT_INC_NOT_ZERO_SATUR<4>[ 108.896066] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ATED.sh <4>[ 108.931063] CPU: 0 PID: 3137 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 108.939816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.946610] Backtrace: <4>[ 108.949340] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.957180] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 108.963111] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.970696] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 108.977928] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 <4>[ 108.985945] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 108.993696] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c5fa8000 <4>[ 108.999629] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 109.008857] r9:c1ad788c r8:c15ec1e0 r7:c5fa9f60 r6:00000020 r5:c65f4000 r4:c0000000 <4>[ 109.016875] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 109.027585] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 109.039587] r5:c65f4000 r4:c5fa8000 <4>[ 109.043438] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 109.053705] r4:00000038 <4>[ 109.056509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 109.064788] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 109.072977] r9:c5fa9f60 r8:c517c000 r7:00000020 r6:b6e61000 r5:c6498500 r4:c0c5b2ac <4>[ 109.080996] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 109.089096] r9:c07e424c r8:c5fa9f60 r7:c290d000 r6:b6e61000 r5:c6498500 r4:00000000 <4>[ 109.097110] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 109.104515] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c5fa8000 r5:c6498500 <4>[ 109.112609] r4:c6498500 <4>[ 109.115413] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 109.122817] r9:c5fa8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 109.130833] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 109.138669] Exception stack(0xc5fa9fa8 to 0xc5fa9ff0) <4>[ 109.143991] 9fa0: 00000020 00000020 00000001 b6e61000 00000020 00000001 <4>[ 109.152439] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e61000 00020000 004dfe38 <4>[ 109.160884] 9fe0: 00000004 bee0f7e8 b6f2733b b6ea0616 <4>[ 109.166227] irq event stamp: 0 <4>[ 109.169578] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 109.175429] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 109.183205] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 109.190983] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 109.196846] ---[ end trace 34c548d288402d9d ]--- <6>[ 109.201734] lkdtm: Saturation detected: still saturated # [ 108.851227] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 108.858958] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 108.868809] ------------[ cut here ]------------ # [ 108.876519] WARNING: CPU: 0 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 108.888155] refcount_t: saturated; leaking memory. # [ 108.896066] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.931063] CPU: 0 PID: 3137 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 108.939816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.946610] Backtrace: # [ 108.949340] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.957180] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 108.963111] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.970696] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 108.977928] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 # [ 108.985945] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.993696] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c5fa8000 # [ 108.999629] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 109.008857] r9:c1ad788c r8:c15ec1e0 r7:c5fa9f60 r6:00000020 r5:c65f4000 r4:c0000000 # [ 109.016875] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 109.027585] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 109.039587] r5:c65f4000 r4:c5fa8000 # [ 109.043438] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.053705] r4:00000038 # [ 109.056509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.064788] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.072977] r9:c5fa9f60 r8:c517c000 r7:00000020 r6:b6e61000 r5:c6498500 r4:c0c5b2ac # [ 109.080996] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 109.089096] r9:c07e424c r8:c5fa9f60 r7:c290d000 r6:b6e61000 r5:c6498500 r4:00000000 # [ 109.097110] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.104515] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c5fa8000 r5:c6498500 # [ 109.112609] r4:c6498500 # [ 109.115413] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.122817] r9:c5fa8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 109.130833] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.138669] Exception stack(0xc5fa9fa8 to 0xc5fa9ff0) # [ 109.143991] 9fa0: 00000020 00000020 00000001 b6e61000 00000020 00000001 # [ 109.152439] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e61000 00020000 004dfe38 # [ 109.160884] 9fe0: 00000004 bee0f7e8 b6f2733b b6ea0616 # [ 109.166227] irq event stamp: 0 # [ 109.169578] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 109.175429] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 109.183205] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 109.190983] softirqs last disabled at (0): [<00000000>] 0x0 # [ 109.196846] ---[ end trace 34c548d288402d9d ]--- # [ 109.201734] 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:<6>[ 109.657112] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED REFCOUNT_ADD_N_[Z E R1O0_9S665539] lkdtm: attempting bad refcount_add_not_zero() from saturated ATURATED.sh <4>[ 109.674565] ------------[ cut here ]------------ <4>[ 109.680573] WARNING: CPU: 3 PID: 3172 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 109.689315] refcount_t: saturated; leaking memory. <4>[ 109.694379] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 109.726875] CPU: 3 PID: 3172 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 109.734886] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 109.741680] Backtrace: <4>[ 109.744411] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 109.752252] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 109.758183] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 109.765769] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 109.773000] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 <4>[ 109.781016] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 109.788767] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c60f2000 <4>[ 109.794699] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 109.803927] r9:c1ad78ac r8:c15ec1e0 r7:c60f3f60 r6:00000020 r5:c603f000 r4:c0000000 <4>[ 109.811947] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 109.822654] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 109.834657] r5:c603f000 r4:c60f2000 <4>[ 109.838510] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 109.848774] r4:00000039 <4>[ 109.851577] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 109.859857] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 109.868043] r9:c60f3f60 r8:c517c000 r7:00000020 r6:b6e64000 r5:c626e280 r4:c0c5b2ac <4>[ 109.876064] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 109.884162] r9:c07e424c r8:c60f3f60 r7:c290d000 r6:b6e64000 r5:c626e280 r4:00000000 <4>[ 109.892175] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 109.899579] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c60f2000 r5:c626e280 <4>[ 109.907672] r4:c626e280 <4>[ 109.910477] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 109.917882] r9:c60f2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 109.925900] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 109.933735] Exception stack(0xc60f3fa8 to 0xc60f3ff0) <4>[ 109.939058] 3fa0: 00000020 00000020 00000001 b6e64000 00000020 00000001 <4>[ 109.947505] 3fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e64000 00020000 0049fe38 <4>[ 109.955948] 3fe0: 00000004 be8cf7e8 b6f2a33b b6ea3616 <4>[ 109.961337] irq event stamp: 0 <4>[ 109.964671] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 109.970554] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 109.978370] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 109.986152] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 109.992055] ---[ end trace 34c548d288402d9e ]--- <6>[ 109.997002] lkdtm: Saturation detected: still saturated # [ 109.657112] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 109.665539] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 109.674565] ------------[ cut here ]------------ # [ 109.680573] WARNING: CPU: 3 PID: 3172 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 109.689315] refcount_t: saturated; leaking memory. # [ 109.694379] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 109.726875] CPU: 3 PID: 3172 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 109.734886] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.741680] Backtrace: # [ 109.744411] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 109.752252] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 109.758183] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 109.765769] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 109.773000] r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698 # [ 109.781016] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 109.788767] r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c60f2000 # [ 109.794699] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 109.803927] r9:c1ad78ac r8:c15ec1e0 r7:c60f3f60 r6:00000020 r5:c603f000 r4:c0000000 # [ 109.811947] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 109.822654] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 109.834657] r5:c603f000 r4:c60f2000 # [ 109.838510] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.848774] r4:00000039 # [ 109.851577] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.859857] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.868043] r9:c60f3f60 r8:c517c000 r7:00000020 r6:b6e64000 r5:c626e280 r4:c0c5b2ac # [ 109.876064] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 109.884162] r9:c07e424c r8:c60f3f60 r7:c290d000 r6:b6e64000 r5:c626e280 r4:00000000 # [ 109.892175] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.899579] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c60f2000 r5:c626e280 # [ 109.907672] r4:c626e280 # [ 109.910477] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.917882] r9:c60f2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 109.925900] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.933735] Exception stack(0xc60f3fa8 to 0xc60f3ff0) # [ 109.939058] 3fa0: 00000020 00000020 00000001 b6e64000 00000020 00000001 # [ 109.947505] 3fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e64000 00020000 0049fe38 # [ 109.955948] 3fe0: 00000004 be8cf7e8 b6f2a33b b6ea3616 # [ 109.961337] irq event stamp: 0 # [ 109.964671] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 109.970554] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 109.978370] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 109.986152] softirqs last disabled at (0): [<00000000>] 0x0 # [ 109.992055] ---[ end trace 34c548d288402d9e ]--- # [ 109.997002] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.<6>[ 110.447025] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED sh # exit=1 # l[ f t1e1s0t.455131] lkdtm: attempting bad refcount_dec_and_test() from saturated : lkdtm: REFCOUNT_DEC_AND_TEST_SA<4>[ 110.464230] ------------[ cut here ]------------ TURATED.sh <4>[ 110.471939] WARNING: CPU: 1 PID: 3210 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 110.481798] refcount_t: underflow; use-after-free. <4>[ 110.486910] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 110.519390] CPU: 1 PID: 3210 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 110.527401] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 110.534194] Backtrace: <4>[ 110.536926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 110.544768] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 110.550700] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 110.558286] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 110.565517] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 <4>[ 110.573532] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 110.581283] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c628e000 <4>[ 110.587215] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 110.596531] r9:c1ad78cc r8:c15ec1e0 r7:c628ff60 r6:00000020 r5:c6115000 r4:c628e000 <4>[ 110.604549] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 110.615261] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 110.627273] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 110.637537] r4:0000003a <4>[ 110.640341] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 110.648622] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 110.656808] r9:c628ff60 r8:c517c000 r7:00000020 r6:b6db5000 r5:c594dcc0 r4:c0c5b2ac <4>[ 110.664828] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 110.672928] r9:c07e424c r8:c628ff60 r7:c290d000 r6:b6db5000 r5:c594dcc0 r4:00000000 <4>[ 110.680940] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 110.688348] r10:00000004 r9:00000000 r8:00000000 r7:b6db5000 r6:c628e000 r5:c594dcc0 <4>[ 110.696442] r4:c594dcc0 <4>[ 110.699245] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 110.706649] r9:c628e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 110.714665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 110.722501] Exception stack(0xc628ffa8 to 0xc628fff0) <4>[ 110.727823] ffa0: 00000020 00000020 00000001 b6db5000 00000020 00000001 <4>[ 110.736270] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6db5000 00020000 0041fe38 <4>[ 110.744716] ffe0: 00000004 bed1d7e8 b6e7b33b b6df4616 <4>[ 110.750088] irq event stamp: 0 <4>[ 110.753423] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 110.759310] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 110.767128] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 110.774901] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 110.780796] ---[ end trace 34c548d288402d9f ]--- <6>[ 110.785690] lkdtm: Saturation detected: still saturated # [ 110.447025] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 110.455131] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 110.464230] ------------[ cut here ]------------ # [ 110.471939] WARNING: CPU: 1 PID: 3210 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 110.481798] refcount_t: underflow; use-after-free. # [ 110.486910] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 110.519390] CPU: 1 PID: 3210 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 110.527401] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.534194] Backtrace: # [ 110.536926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 110.544768] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 110.550700] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 110.558286] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 110.565517] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 # [ 110.573532] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 110.581283] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c628e000 # [ 110.587215] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 110.596531] r9:c1ad78cc r8:c15ec1e0 r7:c628ff60 r6:00000020 r5:c6115000 r4:c628e000 # [ 110.604549] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 110.615261] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 110.627273] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.637537] r4:0000003a # [ 110.640341] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.648622] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.656808] r9:c628ff60 r8:c517c000 r7:00000020 r6:b6db5000 r5:c594dcc0 r4:c0c5b2ac # [ 110.664828] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 110.672928] r9:c07e424c r8:c628ff60 r7:c290d000 r6:b6db5000 r5:c594dcc0 r4:00000000 # [ 110.680940] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 110.688348] r10:00000004 r9:00000000 r8:00000000 r7:b6db5000 r6:c628e000 r5:c594dcc0 # [ 110.696442] r4:c594dcc0 # [ 110.699245] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 110.706649] r9:c628e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 110.714665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.722501] Exception stack(0xc628ffa8 to 0xc628fff0) # [ 110.727823] ffa0: 00000020 00000020 00000001 b6db5000 00000020 00000001 # [ 110.736270] ffc0: 00000020 00000020 7ff00000 00000004 00000001 b6db5000 00020000 0041fe38 # [ 110.744716] ffe0: 00000004 bed1d7e8 b6e7b33b b6df4616 # [ 110.750088] irq event stamp: 0 # [ 110.753423] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 110.759310] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 110.767128] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 110.774901] softirqs last disabled at (0): [<00000000>] 0x0 # [ 110.780796] ---[ end trace 34c548d288402d9f ]--- # [ 110.785690] 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>[ 111.243545] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 111.250834] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 111.257892] ------------[ cut here ]------------ <4>[ 111.262805] WARNING: CPU: 0 PID: 3246 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 111.271697] refcount_t: underflow; use-after-free. <4>[ 111.276806] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 111.309367] CPU: 0 PID: 3246 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 111.317387] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 111.324182] Backtrace: <4>[ 111.326914] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 111.334755] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 111.340687] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 111.348272] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 111.355506] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 <4>[ 111.363521] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 111.371271] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c466a000 <4>[ 111.377204] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 111.386518] r9:c1ad78ec r8:c15ec1e0 r7:c466bf60 r6:00000020 r5:c6630000 r4:c466a000 <4>[ 111.394539] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 111.405251] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 111.417261] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 111.427526] r4:0000003b <4>[ 111.430331] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 111.438611] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 111.446799] r9:c466bf60 r8:c517c000 r7:00000020 r6:b6dee000 r5:c6499040 r4:c0c5b2ac <4>[ 111.454820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 111.462920] r9:c07e424c r8:c466bf60 r7:c290d000 r6:b6dee000 r5:c6499040 r4:00000000 <4>[ 111.470932] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 111.478337] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c466a000 r5:c6499040 <4>[ 111.486431] r4:c6499040 <4>[ 111.489235] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 111.496638] r9:c466a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 <4>[ 111.504654] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 111.512488] Exception stack(0xc466bfa8 to 0xc466bff0) <4>[ 111.517811] bfa0: 00000020 00000020 00000001 b6dee000 00000020 00000001 <4>[ 111.526258] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6dee000 00020000 004dfe38 <4>[ 111.534702] bfe0: 00000004 be9fc7e8 b6eb433b b6e2d616 <4>[ 111.540053] irq event stamp: 0 <4>[ 111.543408] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 111.549287] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 111.557070] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 111.564825] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 111.570691] ---[ end trace 34c548d288402da0 ]--- <6>[ 111.575581] lkdtm: Saturation detected: still saturated # [ 111.243545] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 111.250834] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 111.257892] ------------[ cut here ]------------ # [ 111.262805] WARNING: CPU: 0 PID: 3246 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 111.271697] refcount_t: underflow; use-after-free. # [ 111.276806] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx dw_hdmi imx_ldb phy_generic snd_soc_sgtl5000 parallel_display snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 111.309367] CPU: 0 PID: 3246 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 111.317387] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.324182] Backtrace: # [ 111.326914] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 111.334755] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 111.340687] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 111.348272] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 111.355506] r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698 # [ 111.363521] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 111.371271] r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c466a000 # [ 111.377204] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 111.386518] r9:c1ad78ec r8:c15ec1e0 r7:c466bf60 r6:00000020 r5:c6630000 r4:c466a000 # [ 111.394539] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 111.405251] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 111.417261] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.427526] r4:0000003b # [ 111.430331] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.438611] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.446799] r9:c466bf60 r8:c517c000 r7:00000020 r6:b6dee000 r5:c6499040 r4:c0c5b2ac # [ 111.454820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 111.462920] r9:c07e424c r8:c466bf60 r7:c290d000 r6:b6dee000 r5:c6499040 r4:00000000 # [ 111.470932] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.478337] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c466a000 r5:c6499040 # [ 111.486431] r4:c6499040 # [ 111.489235] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 111.496638] r9:c466a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020 # [ 111.504654] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.512488] Exception stack(0xc466bfa8 to 0xc466bff0) # [ 111.517811] bfa0: 00000020 00000020 00000001 b6dee000 00000020 00000001 # [ 111.526258] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6dee000 00020000 004dfe38 # [ 111.534702] bfe0: 00000004 be9fc7e8 b6eb433b b6e2d616 # [ 111.540053] irq event stamp: 0 # [ 111.543408] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 111.549287] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 111.557070] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 111.564825] softirqs last disabled at (0): [<00000000>] 0x0 # [ 111.570691] ---[ end trace 34c548d288402da0 ]--- # [ 111.575581] 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>[ 112.376869] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 112.383173] lkdtm: attempting good copy_to_user of correct size <6>[ 112.389588] lkdtm: attempting bad copy_to_user of too large size # [ 112.376869] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 112.383173] lkdtm: attempting good copy_to_user of correct size # [ 112.389588] 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>[ 112.818766] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 112.825245] lkdtm: attempting good copy_from_user of correct size <6>[ 112.831809] lkdtm: attempting bad copy_from_user of too large size # [ 112.818766] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 112.825245] lkdtm: attempting good copy_from_user of correct size # [ 112.831809] 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>[ 113.237853] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 113.244596] lkdtm: attempting good copy_to_user inside whitelist <6>[ 113.251147] lkdtm: attempting bad copy_to_user outside whitelist # [ 113.237853] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 113.244596] lkdtm: attempting good copy_to_user inside whitelist # [ 113.251147] 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>[ 113.663393] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 113.670461] lkdtm: attempting good copy_from_user inside whitelist <6>[ 113.677021] lkdtm: attempting bad copy_from_user outside whitelist # [ 113.663393] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 113.670461] lkdtm: attempting good copy_from_user inside whitelist # [ 113.677021] 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>[ 114.094405] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 114.100937] lkdtm: good_stack: c60f3e0c-c60f3e2c <6>[ 114.105831] lkdtm: bad_stack : c60f3d84-c60f3da4 <6>[ 114.110899] lkdtm: attempting good copy_to_user of local stack <6>[ 114.117100] lkdtm: attempting bad copy_to_user of distant stack # [ 114.094405] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 114.100937] lkdtm: good_stack: c60f3e0c-c60f3e2c # [ 114.105831] lkdtm: bad_stack : c60f3d84-c60f3da4 # [ 114.110899] lkdtm: attempting good copy_to_user of local stack # [ 114.117100] 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>[ 114.535941] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 114.542667] lkdtm: good_stack: c5ce7e0c-c5ce7e2c <6>[ 114.547694] lkdtm: bad_stack : c5ce7d84-c5ce7da4 <6>[ 114.552647] lkdtm: attempting good copy_from_user of local stack <6>[ 114.558998] lkdtm: attempting bad copy_from_user of distant stack # [ 114.535941] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 114.542667] lkdtm: good_stack: c5ce7e0c-c5ce7e2c # [ 114.547694] lkdtm: bad_stack : c5ce7d84-c5ce7da4 # [ 114.552647] lkdtm: attempting good copy_from_user of local stack # [ 114.558998] 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>[ 114.968720] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 114.975016] lkdtm: good_stack: c5fdde0c-c5fdde2c <6>[ 114.979984] lkdtm: bad_stack : c5fddffc-c5fde01c <6>[ 114.984889] lkdtm: attempting good copy_to_user of local stack <6>[ 114.991182] lkdtm: attempting bad copy_to_user of distant stack # [ 114.968720] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 114.975016] lkdtm: good_stack: c5fdde0c-c5fdde2c # [ 114.979984] lkdtm: bad_stack : c5fddffc-c5fde01c # [ 114.984889] lkdtm: attempting good copy_to_user of local stack # [ 114.991182] 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>[ 115.419248] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 115.425033] lkdtm: attempting good copy_to_user from kernel rodata: c15ec48c <6>[ 115.432445] lkdtm: attempting bad copy_to_user from kernel text: c053dd8c <3>[ 115.439627] lkdtm: FAIL: survived bad copy_to_user() # [ 115.419248] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 115.425033] lkdtm: attempting good copy_to_user from kernel rodata: c15ec48c # [ 115.432445] lkdtm: attempting bad copy_to_user from kernel text: c053dd8c # [ 115.439627] 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>[ 115.867363] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 115.873705] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 115.881190] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 115.888380] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 115.894666] CPU: 0 PID: 3622 Comm: cat Tainted: G D W 5.10.220-cip49 #1 <4>[ 115.902677] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 115.909469] Backtrace: <4>[ 115.912204] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 115.920043] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 <4>[ 115.925977] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 115.933562] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 115.942356] r9:c1ad79f4 r8:c15ec1e0 r7:c5ce7f60 r6:c5ce7e34 r5:c5ce6000 r4:0000078d <4>[ 115.950376] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 115.959430] r8:c15ec1e0 r7:c5ce7f60 r6:00000012 r5:c663c000 r4:00000046 <4>[ 115.966400] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 115.974679] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 115.982864] r9:c5ce7f60 r8:c517c000 r7:00000012 r6:b6df4000 r5:c5f54780 r4:c0c5b2ac <4>[ 115.990883] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) <4>[ 115.998982] r9:c07e424c r8:c5ce7f60 r7:c290d000 r6:b6df4000 r5:c5f54780 r4:00000000 <4>[ 116.006995] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 116.014400] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c5ce6000 r5:c5f54780 <4>[ 116.022494] r4:c5f54780 <4>[ 116.025297] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 116.032702] r9:c5ce6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 116.040719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 116.048554] Exception stack(0xc5ce7fa8 to 0xc5ce7ff0) <4>[ 116.053877] 7fa0: 00000012 00000012 00000001 b6df4000 00000012 00000001 <4>[ 116.062324] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6df4000 00020000 0050fe38 <4>[ 116.070769] 7fe0: 00000004 be9b67e8 b6eba33b b6e33616 # [ 115.867363] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 115.873705] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 115.881190] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 115.888380] lkdtm: FAIL: the thread stack is NOT properly erased # [ 115.894666] CPU: 0 PID: 3622 Comm: cat Tainted: G D W 5.10.220-cip49 #1 # [ 115.902677] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.909469] Backtrace: # [ 115.912204] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 115.920043] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018 # [ 115.925977] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 115.933562] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 115.942356] r9:c1ad79f4 r8:c15ec1e0 r7:c5ce7f60 r6:c5ce7e34 r5:c5ce6000 r4:0000078d # [ 115.950376] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.959430] r8:c15ec1e0 r7:c5ce7f60 r6:00000012 r5:c663c000 r4:00000046 # [ 115.966400] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.974679] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.982864] r9:c5ce7f60 r8:c517c000 r7:00000012 r6:b6df4000 r5:c5f54780 r4:c0c5b2ac # [ 115.990883] [] (full_proxy_write) from [] (vfs_write+0x10c/0x54c) # [ 115.998982] r9:c07e424c r8:c5ce7f60 r7:c290d000 r6:b6df4000 r5:c5f54780 r4:00000000 # [ 116.006995] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.014400] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c5ce6000 r5:c5f54780 # [ 116.022494] r4:c5f54780 # [ 116.025297] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.032702] r9:c5ce6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 116.040719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.048554] Exception stack(0xc5ce7fa8 to 0xc5ce7ff0) # [ 116.053877] 7fa0: 00000012 00000012 00000001 b6df4000 00000012 00000001 # [ 116.062324] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6df4000 00020000 0050fe38 # [ 116.070769] 7fe0: 00000004 be9b67e8 b6eba33b b6e33616 # 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>[ 116.517489] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 116.523435] lkdtm: Calling matched prototype ... <6>[ 116.528391] lkdtm: Calling mismatched prototype ... <6>[ 116.533547] lkdtm: Fail: survived mismatched prototype function call! # [ 116.517489] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 116.523435] lkdtm: Calling matched prototype ... # [ 116.528391] lkdtm: Calling mismatched prototype ... # [ 116.533547] 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 / #