[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 File System is consistent file found, deleting File System is consistent 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 192.168.201.34 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 8392622/tftp-deploy-saqh7df0/kernel/zImage tftp 0x10000000 8392622/tftp-deploy-saqh7df0/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8392622/tftp-deploy-saqh7df0/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################## 6.3 MiB/s done Bytes transferred = 12349952 (bc7200 hex) => tftp 0x14000000 8392622/tftp-deploy-saqh7df0/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8392622/tftp-deploy-saqh7df0/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8392622/tftp-deploy-saqh7df0/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 7.1 MiB/s done Bytes transferred = 15424763 (eb5cfb hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8392622/tftp-deploy-saqh7df0/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8392622/tftp-deploy-saqh7df0/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8392622/tftp-deploy-saqh7df0/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.9 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8392622/extract-nfsrootfs-epmm9g8b,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8392622/extract-nfsrootfs-epmm9g8b,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15424699 Bytes = 14.7 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 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.158-cip22 (KernelCI@build-j718599-arm-gcc-10-multi-v7-defconfig-kselftest-k7pf7) (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 Dec 16 19:40:43 UTC 2022 [ 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] 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/8392622/extract-nfsrootfs-epmm9g8b,tcp,hard 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: 921460K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6692K bss, 61580K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55473 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 333ns [ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000042] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004881] Console: colour dummy device 80x30 [ 0.004949] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004979] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.005007] ... MAX_LOCK_DEPTH: 48 [ 0.005035] ... MAX_LOCKDEP_KEYS: 8192 [ 0.005062] ... CLASSHASH_SIZE: 4096 [ 0.005089] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.005114] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.005141] ... CHAINHASH_SIZE: 32768 [ 0.005168] memory used by lock dependency info: 4061 kB [ 0.005194] memory used for stack traces: 2112 kB [ 0.005220] per task-struct memory footprint: 1536 bytes [ 0.005323] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005375] pid_max: default: 32768 minimum: 301 [ 0.005768] LSM: Security Framework initializing [ 0.005885] LSM support for eBPF active [ 0.006036] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.006089] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008663] CPU: Testing write buffer coherency: ok [ 0.008882] CPU0: Spectre v2: using BPIALL workaround [ 0.009877] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013827] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.016316] rcu: Hierarchical SRCU implementation. [ 0.026162] EFI services will not be available. [ 0.027502] smp: Bringing up secondary CPUs ... [ 0.030872] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030888] CPU1: Spectre v2: using BPIALL workaround [ 0.034966] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034981] CPU2: Spectre v2: using BPIALL workaround [ 0.038701] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038716] CPU3: Spectre v2: using BPIALL workaround [ 0.039791] smp: Brought up 1 node, 4 CPUs [ 0.039837] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039875] CPU: All CPU(s) started in SVC mode. [ 0.042516] devtmpfs: initialized [ 0.099608] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102301] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102373] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.107124] pinctrl core: initialized pinctrl subsystem [ 0.114228] DMI not present or invalid. [ 0.116585] NET: Registered protocol family 16 [ 0.128505] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138094] thermal_sys: Registered thermal governor 'step_wise' [ 0.138655] cpuidle: using governor menu [ 0.139229] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.903528] vdd1p1: supplied by regulator-dummy [ 0.936053] vdd3p0: supplied by regulator-dummy [ 0.968226] vdd2p5: supplied by regulator-dummy [ 1.000459] vddarm: supplied by regulator-dummy [ 1.033525] vddpu: supplied by regulator-dummy [ 1.064745] vddsoc: supplied by regulator-dummy [ 2.428933] No ATAGs? [ 2.429837] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.429924] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.449839] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.479600] Serial: AMBA PL011 UART driver [ 2.544213] Kprobes globally optimized [ 2.664933] iommu: Default domain type: Translated [ 2.667394] vgaarb: loaded [ 2.672380] SCSI subsystem initialized [ 2.674996] usbcore: registered new interface driver usbfs [ 2.675306] usbcore: registered new interface driver hub [ 2.675547] usbcore: registered new device driver usb [ 2.683396] i2c i2c-0: IMX I2C adapter registered [ 2.690538] i2c i2c-1: IMX I2C adapter registered [ 2.695126] i2c i2c-2: IMX I2C adapter registered [ 2.700062] pps_core: LinuxPPS API ver. 1 registered [ 2.700107] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.700210] PTP clock support registered [ 2.718537] clocksource: Switched to clocksource mxc_timer1 [ 4.466165] NET: Registered protocol family 2 [ 4.466986] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.470496] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.470678] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.470913] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.472354] TCP: Hash tables configured (established 8192 bind 8192) [ 4.473429] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.473780] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.474041] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.474793] NET: Registered protocol family 1 [ 4.477667] RPC: Registered named UNIX socket transport module. [ 4.477758] RPC: Registered udp transport module. [ 4.477801] RPC: Registered tcp transport module. [ 4.477843] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.477898] NET: Registered protocol family 44 [ 4.477966] PCI: CLS 0 bytes, default 64 [ 4.480593] Trying to unpack rootfs image as initramfs... [ 6.387704] Freeing initrd memory: 15064K [ 6.388732] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.390410] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.399732] Initialise system trusted keyrings [ 6.400841] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.451891] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.455645] NFS: Registering the id_resolver key type [ 6.455884] Key type id_resolver registered [ 6.455977] Key type id_legacy registered [ 6.456621] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.456726] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.456941] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.459213] Key type asymmetric registered [ 6.459341] Asymmetric key parser 'x509' registered [ 6.459795] bounce: pool size: 64 pages [ 6.459963] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.460071] io scheduler mq-deadline registered [ 6.460115] io scheduler kyber registered [ 6.461048] test_firmware: interface ready [ 6.644687] mxs-dma 110000.dma-apbh: initialized [ 6.711423] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.711683] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.983299] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 7.004576] SuperH (H)SCI(F) driver initialized [ 7.007690] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 7.013005] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.945128] printk: console [ttymxc1] enabled [ 7.956126] msm_serial: driver initialized [ 7.961456] STMicroelectronics ASC driver initialized [ 7.973306] STM32 USART driver initialized [ 8.000295] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.023103] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.031723] panel-simple panel-lcd: Specify missing connector_type [ 8.039729] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.096277] brd: module loaded [ 8.159516] loop: module loaded [ 8.166069] lkdtm: No crash points registered, enable through debugfs [ 8.188826] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.196798] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.204920] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.213246] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.221324] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.229593] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.237319] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.248811] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.255842] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.264775] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.279353] scsi host0: ahci-imx [ 8.284979] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.352086] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.365830] pps pps0: new PPS source ptp0 [ 8.412681] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.423567] e1000e: Intel(R) PRO/1000 Network Driver [ 8.428666] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.434870] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.440362] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.468958] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.476569] usbcore: registered new interface driver pegasus [ 8.482539] usbcore: registered new interface driver asix [ 8.488120] usbcore: registered new interface driver ax88179_178a [ 8.494451] usbcore: registered new interface driver cdc_ether [ 8.500587] usbcore: registered new interface driver smsc75xx [ 8.506602] usbcore: registered new interface driver smsc95xx [ 8.512594] usbcore: registered new interface driver net1080 [ 8.518497] usbcore: registered new interface driver cdc_subset [ 8.524598] usbcore: registered new interface driver zaurus [ 8.530546] usbcore: registered new interface driver cdc_ncm [ 8.549637] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.556283] ehci-pci: EHCI PCI platform driver [ 8.560980] ehci-platform: EHCI generic platform driver [ 8.567301] ehci-orion: EHCI orion driver [ 8.572354] SPEAr-ehci: EHCI SPEAr driver [ 8.577321] ehci-st: EHCI STMicroelectronics driver [ 8.583212] ehci-exynos: EHCI Exynos driver [ 8.588379] ehci-atmel: EHCI Atmel driver [ 8.593314] tegra-ehci: Tegra EHCI driver [ 8.598350] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.604701] ohci-pci: OHCI PCI platform driver [ 8.609398] ohci-platform: OHCI generic platform driver [ 8.615686] SPEAr-ohci: OHCI SPEAr driver [ 8.620707] ohci-st: OHCI STMicroelectronics driver [ 8.621432] ata1: SATA link down (SStatus 0 SControl 300) [ 8.626551] ohci-atmel: OHCI Atmel driver [ 8.631442] ahci-imx 2200000.sata: no device found, disabling link. [ 8.638902] usbcore: registered new interface driver usb-storage [ 8.641486] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.681894] i2c /dev entries driver [ 8.771890] sdhci: Secure Digital Host Controller Interface driver [ 8.778113] sdhci: Copyright(c) Pierre Ossman [ 8.792622] Synopsys Designware Multimedia Card Interface Driver [ 8.806425] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.815987] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.815993] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.816180] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.833248] ledtrig-cpu: registered to indicate activity on CPUs [ 8.843245] usbcore: registered new interface driver usbhid [ 8.848917] usbhid: USB HID core driver [ 8.860559] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.867160] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.879177] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.887202] gre: GRE over IPv4 demultiplexor driver [ 8.892210] ip_gre: GRE over IPv4 tunneling driver [ 8.903181] IPv4 over IPsec tunneling driver [ 8.912975] NET: Registered protocol family 10 [ 8.915602] mmc2: new high speed SDHC card at address 59b4 [ 8.924951] Segment Routing with IPv6 [ 8.927243] mmcblk2: mmc2:59b4 SD 14.7 GiB [ 8.935661] ip6_gre: GRE over IPv6 tunneling driver [ 8.943855] NET: Registered protocol family 17 [ 8.950076] Key type dns_resolver registered [ 8.950987] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.961992] GPT:29296874 != 30863359 [ 8.965611] GPT:Alternate GPT header not at the end of the disk. [ 8.971758] GPT:29296874 != 30863359 [ 8.975380] GPT: Use GNU Parted to correct GPT errors. [ 8.977415] ThumbEE CPU extension supported. [ 8.980708] mmcblk2: p1 p2 p3 [ 8.984957] Registering SWP/SWPB emulation handler [ 8.994853] Loading compiled-in X.509 certificates [ 9.184396] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.192885] panel-simple panel-lcd: Specify missing connector_type [ 9.206310] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.243212] imx_usb 2184200.usb: No over current polarity defined [ 9.256583] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.261937] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.298958] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.320340] hub 1-0:1.0: USB hub found [ 9.324681] hub 1-0:1.0: 1 port detected [ 9.341104] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.374447] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.382791] panel-simple panel-lcd: Specify missing connector_type [ 9.396197] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.427669] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.436139] panel-simple panel-lcd: Specify missing connector_type [ 9.449839] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.469429] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.502224] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.510587] panel-simple panel-lcd: Specify missing connector_type [ 9.524459] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.546968] 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) [ 9.562442] IP-Config: Failed to open gretap0 [ 9.566841] IP-Config: Failed to open erspan0 [ 9.600458] Sending DHCP requests . [ 9.718873] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.938481] hub 1-1:1.0: USB hub found [ 9.943186] hub 1-1:1.0: 3 ports detected [ 9.974586] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.982942] panel-simple panel-lcd: Specify missing connector_type [ 9.996499] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.838551] . [ 12.720110] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.731400] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 15.768490] ., OK [ 15.810910] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34 [ 15.819281] IP-Config: Complete: [ 15.822604] device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1 [ 15.833249] host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none) [ 15.841260] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 15.841306] nameserver0=192.168.201.1 [ 15.914622] Freeing unused kernel memory: 2048K [ 15.920383] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 20.033838] imx-ipuv3 2400000.ipu: IPUv3H probed [ 20.072919] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.087872] panel-simple panel-lcd: Specify missing connector_type [ 20.102818] imx-ipuv3 2800000.ipu: IPUv3H probed [ 20.130214] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.133656] CAN device driver interface [ 20.180526] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.189028] panel-simple panel-lcd: Specify missing connector_type [ 20.213262] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.261601] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.275426] panel-simple panel-lcd: Specify missing connector_type [ 20.297600] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 20.306159] caam 2100000.crypto: Entropy delay = 3200 [ 20.306557] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 20.319117] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 20.325695] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 20.372109] caam 2100000.crypto: Instantiated RNG4 SH0 [ 20.432874] caam 2100000.crypto: Instantiated RNG4 SH1 [ 20.438084] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 20.444803] caam 2100000.crypto: job rings = 2, qi = 0 [ 20.459556] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 20.465992] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 20.471051] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.472678] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 20.490868] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 20.522048] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.530625] panel-simple panel-lcd: Specify missing connector_type [ 20.542632] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 20.546405] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.564802] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 20.573724] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 20.578902] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 20.582631] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 20.590911] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 20.598972] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 20.604640] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.605468] panel-simple panel-lcd: Specify missing connector_type [ 20.614190] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.637652] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 20.647777] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 20.664254] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 20.699027] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.707684] panel-simple panel-lcd: Specify missing connector_type [ 20.724144] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.762649] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.771233] panel-simple panel-lcd: Specify missing connector_type [ 20.812983] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 20.821959] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 20.830590] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 20.839139] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 20.859631] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.950501] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.959195] panel-simple panel-lcd: Specify missing connector_type [ 20.992286] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.000966] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.009553] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.018018] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.371580] caam algorithms registered in /proc/crypto [ 21.411071] caam 2100000.crypto: registering rng-caam [ 21.432026] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.475265] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.485837] panel-simple panel-lcd: Specify missing connector_type [ 21.521047] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.529713] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.538212] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.546748] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.567912] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.600064] random: crng init done [ 21.602573] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.612001] panel-simple panel-lcd: Specify missing connector_type [ 21.631926] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers [ 21.640431] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) ... done. [ 21.651763] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Running /scripts/init-prem[ 21.660823] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.34 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 24.130553] systemd[1]: System time before build time, advancing clock. [ 24.420017] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 24.446526] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 24.515232] systemd[1]: Set hostname to . [ 26.253467] systemd[1]: Queued start job for default target Graphical Interface. [ 26.269063] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 26.287437] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 26.344044] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 26.393265] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 26.442950] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 26.492220] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 26.540311] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 26.554249] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 26.601000] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 26.638850] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 26.679443] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 26.719650] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 26.764129] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 26.868562] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 26.882517] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 26.925738] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 26.986184] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 27.040442] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 27.084564] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 27.133017] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 27.142445] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 27.165567] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 27.212002] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 27.261064] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 27.309085] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 27.336307] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 27.379822] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 27.427289] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 27.467764] fuse: init (API version 7.32) [ 27.474264] systemd[1]: Starting Journal Service... Starting Journal Service... [ 27.547614] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 27.604721] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 27.658837] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 27.693388] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 27.730644] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 27.779068] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 27.875000] systemd[1]: modprobe@configfs.service: Succeeded. [ 27.885740] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 27.944328] systemd[1]: modprobe@drm.service: Succeeded. [ 27.954249] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 28.004886] systemd[1]: modprobe@fuse.service: Succeeded. [ 28.015034] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 28.034907] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 28.074102] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 28.141444] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 28.198115] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 28.232003] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 28.241917] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 28.260502] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 28.317946] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 28.349218] systemd[1]: Starting Create System Users... Starting Create System Users... [ 28.406301] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... [ 28.808517] systemd-journald[270]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.158-cip22 #1 SMP Fri Dec 16 19:40:43 UTC 2022 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/8392622/extract-nfsrootfs-epmm9g8b' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8392622/extract-nfsrootfs-epmm9g8b' / # 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-8392622/environment . /lava-8392622/environment / # /lava-8392622/bin/lava-test-runner /lava-8392622/0 /lava-8392622/bin/lava-test-runner /lava-8392622/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8392622/0/tests/0_timesync-off ++ cat uuid + UUID=8392622_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-8392622/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8392622_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.158-cip22-7-g92462fd9830b/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8392622/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-12-16 19:57:38-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.158-cip22-7-g92462fd9830b/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1407988 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 16.21K 56.6KB/s kselftest.tar.xz 3%[ ] 54.88K 104KB/s kselftest.tar.xz 6%[> ] 87.40K 113KB/s kselftest.tar.xz 7%[> ] 108.61K 111KB/s kselftest.tar.xz 10%[=> ] 143.96K 119KB/s kselftest.tar.xz 12%[=> ] 168.00K 119KB/s kselftest.tar.xz 14%[=> ] 201.94K 122KB/s kselftest.tar.xz 16%[==> ] 230.22K 124KB/s kselftest.tar.xz 19%[==> ] 265.57K 127KB/s kselftest.tar.xz 21%[===> ] 293.85K 128KB/s kselftest.tar.xz 24%[===> ] 333.45K 132KB/s kselftest.tar.xz 26%[====> ] 363.14K 133KB/s kselftest.tar.xz 29%[====> ] 402.74K 136KB/s kselftest.tar.xz 31%[=====> ] 426.78K 133KB/s eta 7s kselftest.tar.xz 33%[=====> ] 464.96K 136KB/s eta 7s kselftest.tar.xz 35%[======> ] 491.82K 135KB/s eta 7s kselftest.tar.xz 38%[======> ] 531.42K 138KB/s eta 7s kselftest.tar.xz 40%[=======> ] 562.53K 142KB/s eta 7s kselftest.tar.xz 43%[=======> ] 604.95K 146KB/s eta 5s kselftest.tar.xz 46%[========> ] 638.89K 146KB/s eta 5s kselftest.tar.xz 49%[========> ] 686.96K 155KB/s eta 5s kselftest.tar.xz 52%[=========> ] 715.25K 152KB/s eta 5s kselftest.tar.xz 55%[==========> ] 759.08K 158KB/s eta 5s kselftest.tar.xz 58%[==========> ] 801.02K 153KB/s eta 4s kselftest.tar.xz 62%[===========> ] 859.48K 160KB/s eta 4s kselftest.tar.xz 64%[===========> ] 887.76K 160KB/s eta 4s kselftest.tar.xz 65%[============> ] 902.83K 156KB/s eta 4s kselftest.tar.xz 67%[============> ] 934.42K 151KB/s eta 4s kselftest.tar.xz 70%[=============> ] 966.95K 148KB/s eta 3s kselftest.tar.xz 72%[=============> ] 990.99K 149KB/s eta 3s kselftest.tar.xz 73%[=============> ] 1016K 145KB/s eta 3s kselftest.tar.xz 75%[==============> ] 1.01M 141KB/s eta 3s kselftest.tar.xz 77%[==============> ] 1.04M 140KB/s eta 3s kselftest.tar.xz 78%[==============> ] 1.05M 138KB/s eta 2s kselftest.tar.xz 79%[==============> ] 1.07M 130KB/s eta 2s kselftest.tar.xz 81%[===============> ] 1.10M 127KB/s eta 2s kselftest.tar.xz 82%[===============> ] 1.11M 123KB/s eta 2s kselftest.tar.xz 84%[===============> ] 1.14M 118KB/s eta 2s kselftest.tar.xz 86%[================> ] 1.16M 115KB/s eta 2s kselftest.tar.xz 88%[================> ] 1.18M 111KB/s eta 2s kselftest.tar.xz 89%[================> ] 1.21M 108KB/s eta 2s kselftest.tar.xz 91%[=================> ] 1.23M 109KB/s eta 2s kselftest.tar.xz 93%[=================> ] 1.26M 101KB/s eta 1s kselftest.tar.xz 96%[==================> ] 1.29M 101KB/s eta 1s kselftest.tar.xz 97%[==================> ] 1.31M 99.2KB/s eta 1s kselftest.tar.xz 99%[==================> ] 1.33M 97.9KB/s eta 1s kselftest.tar.xz 100%[===================>] 1.34M 97.4KB/s in 11s 2022-12-16 19:57:50 (126 KB/s) - 'kselftest.tar.xz' saved [1407988/1407988] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== 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 =============== [ 94.033244] 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 [ 94.837394] lkdtm: Performing direct entry BUG [ 94.842483] ------------[ cut here ]------------ [ 94.847124] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 94.852360] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 94.857508] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 94.886587] CPU: 0 PID: 802 Comm: cat Not tainted 5.10.158-cip22 #1 [ 94.892861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.899411] PC is at lkdtm_BUG+0x14/0x18 [ 94.903348] LR is at lkdtm_do_action+0x2c/0x4c [ 94.907799] pc : [] lr : [] psr: a00e0013 [ 94.914074] sp : c69e3e58 ip : c69e3e68 fp : c69e3e64 [ 94.919306] r10: 00000004 r9 : c1acd05c r8 : c15e8784 [ 94.924539] r7 : c69e3f60 r6 : 00000004 r5 : c6945000 r4 : 00000001 [ 94.931074] r3 : c0c2faec r2 : 1ee48d6b r1 : ef7815e0 r0 : c15e878c [ 94.937610] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 94.944755] Control: 10c5387d Table: 15efc04a DAC: 00000051 [ 94.950510] Process cat (pid: 802, stack limit = 0x4e161929) [ 94.956177] Stack: (0xc69e3e58 to 0xc69e4000) [ 94.960546] 3e40: c69e3e74 c69e3e68 [ 94.968736] 3e60: c0c2f580 c0c2faf8 c69e3e9c c69e3e78 c0c2fa80 c0c2f560 c0c2f960 c5ba3b80 [ 94.976926] 3e80: b6ded000 00000004 c5291000 c69e3f60 c69e3ec4 c69e3ea0 c07f6400 c0c2f96c [ 94.985117] 3ea0: 00000000 c5ba3b80 b6ded000 c2816000 c69e3f60 c07f639c c69e3f5c c69e3ec8 [ 94.993308] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d550e4 c05992c0 c69e2000 [ 95.001498] 3ee0: b6ded000 00020000 00000004 00000004 0001fffc c69e3ee0 00000001 00000805 [ 95.009687] 3f00: c6be28c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 95.017878] 3f20: 00000000 00000000 c69e2000 1ee48d6b b6dec000 c5ba3b80 c5ba3b80 c69e2000 [ 95.026068] 3f40: b6ded000 00000000 00000000 00000004 c69e3f94 c69e3f60 c05992c0 c0598c2c [ 95.034257] 3f60: 00000000 00000000 c69e3fac 1ee48d6b 00000004 00000004 b6f34e00 00000004 [ 95.042444] 3f80: c03002e4 c69e2000 c69e3fa4 c69e3f98 c0599350 c0599258 00000000 c69e3fa8 [ 95.050634] 3fa0: c03000c0 c0599344 00000004 00000004 00000001 b6ded000 00000004 00000000 [ 95.058823] 3fc0: 00000004 00000004 b6f34e00 00000004 00000001 00000000 00020000 be898a54 [ 95.067012] 3fe0: 00000004 be898788 b6e9f4cf b6e257e6 800e0030 00000001 00000000 00000000 [ 95.075194] Backtrace: [ 95.077666] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.085254] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.093276] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.101206] r9:c69e3f60 r8:c5291000 r7:00000004 r6:b6ded000 r5:c5ba3b80 r4:c0c2f960 [ 95.108967] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 95.116809] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6ded000 r5:c5ba3b80 r4:00000000 [ 95.124564] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.131711] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c69e2000 r5:c5ba3b80 [ 95.139548] r4:c5ba3b80 [ 95.142095] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.149241] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000004 r4:00000004 [ 95.156999] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.164575] Exception stack(0xc69e3fa8 to 0xc69e3ff0) [ 95.169637] 3fa0: 00000004 00000004 00000001 b6ded000 00000004 00000000 [ 95.177826] 3fc0: 00000004 00000004 b6f34e00 00000004 00000001 00000000 00020000 be898a54 [ 95.186012] 3fe0: 00000004 be898788 b6e9f4cf b6e257e6 [ 95.191077] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 95.197186] ---[ end trace 6367bb2e32f6e250 ]--- [ 95.201816] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 95.210696] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 802, name: cat [ 95.218356] INFO: lockdep is turned off. [ 95.222285] irq event stamp: 1616 [ 95.225619] hardirqs last enabled at (1615): [] console_unlock+0x4b0/0x6c0 [ 95.233462] hardirqs last disabled at (1616): [] __und_svc+0x60/0x6c [ 95.240698] softirqs last enabled at (1612): [] __do_softirq+0x378/0x5fc [ 95.248368] softirqs last disabled at (1605): [] __irq_exit_rcu+0x178/0x1d0 [ 95.256210] CPU: 0 PID: 802 Comm: cat Tainted: G D 5.10.158-cip22 #1 [ 95.263873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.270406] Backtrace: [ 95.272882] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.280465] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f5f4 [ 95.286139] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.293469] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 95.301224] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19c97f0 r4:c69e2000 [ 95.308980] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 95.316819] r6:00000000 r5:00000031 r4:c19c97f0 [ 95.321456] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 95.329210] r6:00000001 r5:c69e2000 r4:c5a7a880 [ 95.333851] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 95.341172] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c5a7a880 [ 95.347890] [] (do_exit) from [] (die+0x374/0x380) [ 95.354425] r7:c1e0facc [ 95.356971] [] (die) from [] (do_undefinstr+0x170/0x240) [ 95.364032] r10:00000004 r9:c69e2000 r8:c15e8784 r7:00000000 r6:c69e3dc8 r5:c0c2fb00 [ 95.371868] r4:e7f001f2 [ 95.374415] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 95.382339] Exception stack(0xc69e3dc8 to 0xc69e3e10) [ 95.387402] 3dc0: c15e878c ef7815e0 1ee48d6b c0c2faec 00000001 c6945000 [ 95.395592] 3de0: 00000004 c69e3f60 c15e8784 c1acd05c 00000004 c69e3e64 c69e3e68 c69e3e58 [ 95.403777] 3e00: c0c2f580 c0c2fb00 a00e0013 ffffffff [ 95.408838] r7:c69e3dfc r6:ffffffff r5:a00e0013 r4:c0c2fb04 [ 95.414516] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.422099] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.430117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.438045] r9:c69e3f60 r8:c5291000 r7:00000004 r6:b6ded000 r5:c5ba3b80 r4:c0c2f960 [ 95.445801] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 95.453642] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6ded000 r5:c5ba3b80 r4:00000000 [ 95.461396] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.468544] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c69e2000 r5:c5ba3b80 [ 95.476380] r4:c5ba3b80 [ 95.478926] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.486072] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000004 r4:00000004 [ 95.493827] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.501404] Exception stack(0xc69e3fa8 to 0xc69e3ff0) [ 95.506465] 3fa0: 00000004 00000004 00000001 b6ded000 00000004 00000000 [ 95.514654] 3fc0: 00000004 00000004 b6f34e00 00000004 00000001 00000000 00020000 be898a54 [ 95.522839] 3fe0: 00000004 be898788 b6e9f4cf b6e257e6 # Segmentation fault # [ 94.837394] lkdtm: Performing direct entry BUG # [ 94.842483] ------------[ cut here ]------------ # [ 94.847124] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 94.852360] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 94.857508] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.886587] CPU: 0 PID: 802 Comm: cat Not tainted 5.10.158-cip22 #1 # [ 94.892861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.899411] PC is at lkdtm_BUG+0x14/0x18 # [ 94.903348] LR is at lkdtm_do_action+0x2c/0x4c # [ 94.907799] pc : [] lr : [] psr: a00e0013 # [ 94.914074] sp : c69e3e58 ip : c69e3e68 fp : c69e3e64 # [ 94.919306] r10: 00000004 r9 : c1acd05c r8 : c15e8784 # [ 94.924539] r7 : c69e3f60 r6 : 00000004 r5 : c6945000 r4 : 00000001 # [ 94.931074] r3 : c0c2faec r2 : 1ee48d6b r1 : ef7815e0 r0 : c15e878c # [ 94.937610] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.944755] Control: 10c5387d Table: 15efc04a DAC: 00000051 # [ 94.950510] Process cat (pid: 802, stack limit = 0x4e161929) # [ 94.956177] Stack: (0xc69e3e58 to 0xc69e4000) # [ 94.960546] 3e40: c69e3e74 c69e3e68 # [ 94.968736] 3e60: c0c2f580 c0c2faf8 c69e3e9c c69e3e78 c0c2fa80 c0c2f560 c0c2f960 c5ba3b80 # [ 94.976926] 3e80: b6ded000 00000004 c5291000 c69e3f60 c69e3ec4 c69e3ea0 c07f6400 c0c2f96c # [ 94.985117] 3ea0: 00000000 c5ba3b80 b6ded000 c2816000 c69e3f60 c07f639c c69e3f5c c69e3ec8 # [ 94.993308] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d550e4 c05992c0 c69e2000 # [ 95.001498] 3ee0: b6ded000 00020000 00000004 00000004 0001fffc c69e3ee0 00000001 00000805 # [ 95.009687] 3f00: c6be28c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 95.017878] 3f20: 00000000 00000000 c69e2000 1ee48d6b b6dec000 c5ba3b80 c5ba3b80 c69e2000 # [ 95.026068] 3f40: b6ded000 00000000 00000000 00000004 c69e3f94 c69e3f60 c05992c0 c0598c2c # [ 95.034257] 3f60: 00000000 00000000 c69e3fac 1ee48d6b 00000004 00000004 b6f34e00 00000004 # [ 95.042444] 3f80: c03002e4 c69e2000 c69e3fa4 c69e3f98 c0599350 c0599258 00000000 c69e3fa8 # [ 95.050634] 3fa0: c03000c0 c0599344 00000004 00000004 00000001 b6ded000 00000004 00000000 # [ 95.058823] 3fc0: 00000004 00000004 b6f34e00 00000004 00000001 00000000 00020000 be898a54 # [ 95.067012] 3fe0: 00000004 be898788 b6e9f4cf b6e257e6 800e0030 00000001 00000000 00000000 # [ 95.075194] Backtrace: # [ 95.077666] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.085254] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.093276] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.101206] r9:c69e3f60 r8:c5291000 r7:00000004 r6:b6ded000 r5:c5ba3b80 r4:c0c2f960 # [ 95.108967] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.116809] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6ded000 r5:c5ba3b80 r4:00000000 # [ 95.124564] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.131711] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c69e2000 r5:c5ba3b80 # [ 95.139548] r4:c5ba3b80 # [ 95.142095] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.149241] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000004 r4:00000004 # [ 95.156999] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.164575] Exception stack(0xc69e3fa8 to 0xc69e3ff0) # [ 95.169637] 3fa0: 00000004 00000004 00000001 b6ded000 00000004 00000000 # [ 95.177826] 3fc0: 00000004 00000004 b6f34e00 00000004 00000001 00000000 00020000 be898a54 # [ 95.186012] 3fe0: 00000004 be898788 b6e9f4cf b6e257e6 # [ 95.191077] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 95.197186] ---[ end trace 6367bb2e32f6e250 ]--- # [ 95.201816] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 95.210696] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 802, name: cat # [ 95.218356] INFO: lockdep is turned[ 95.988602] lkdtm: Performing direct entry WARNING off. # [ 95.222285] irq event[ 95.994419] ------------[ cut here ]------------ stamp: 1616 # [ 95.225619] ha[ 96.001990] WARNING: CPU: 3 PID: 873 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c rdirqs last enabled at (1615): [[ 96.013251] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] console_unlock+0x4b0/[ 96.044957] CPU: 3 PID: 873 Comm: cat Tainted: G D W 5.10.158-cip22 #1 0x6c0 # [ 95.233462] hardirqs [ 96.055422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) last disabled at (1616): [] __und_svc+0x60/0x6c # [ 9[ 96.070140] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 5.240698] softirqs last enabled [ 96.080559] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 at (1612): [] __do_soft[ 96.089085] [] (show_stack) from [] (dump_stack+0xe0/0x100) irq+0x378/0x5fc # [ 95.248368][ 96.099259] [] (dump_stack) from [] (__warn+0xfc/0x16c) softirqs last disabled at (1605)[ 96.109078] r9:00000009 r8:c0c2fb4c r7:00000053 r6:00000009 r5:c0c2fb4c r4:c1acd718 : [] __irq_exit_rcu+0x1[ 96.119688] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 78/0x1d0 # [ 95.256210] CPU: 0[ 96.130026] r7:00000053 r6:c1acd718 r5:00000000 r4:c6dba000 PID: 802 Comm: cat Tainted: G [ 96.138555] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) D 5.10.158-cip22 #1 [ 96.149500] r9:c1acd060 r8:c15e8784 r7:c6dbbf60 r6:00000008 r5:c6ae8000 r4:00000002 # [ 95.263873] Hardware name: [ 96.160109] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) Freescale i.MX6 Quad/DualLite (De[ 96.170888] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) vice Tree) # [ 95.270406] Back[ 96.181758] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) trace: # [ 95.272882] [] (dump_backtrace) from [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 50fa4>] (show_stack+0x20/0x24) #[ 96.213829] r9:c07f639c r8:c6dbbf60 r7:c2816000 r6:b6e48000 r5:c6bfbcc0 r4:00000000 [ 95.280465] r7:ffffffff r6:6[ 96.224434] [] (vfs_write) from [] (ksys_write+0x74/0xec) 00e0093 r5:00000000 r4:c1f0f5f4 [ 96.234431] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c6dba000 r5:c6bfbcc0 # [ 95.286139] [] (sh[ 96.245118] r4:c6bfbcc0 ow_stack) from [] (dump[ 96.250521] [] (ksys_write) from [] (sys_write+0x18/0x1c) _stack+0xe0/0x100) # [ 95.2934[ 96.260517] r9:c6dba000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000008 r4:00000008 69] [] (dump_stack) fro[ 96.271125] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) m [] (___might_sleep+0x[ 96.281550] Exception stack(0xc6dbbfa8 to 0xc6dbbff0) 1b0/0x2c0) # [ 95.301224] r9:[ 96.289469] bfa0: 00000008 00000008 00000001 b6e48000 00000008 00000000 600e0093 r8:0000000b r7:c035bb84 [ 96.300509] bfc0: 00000008 00000008 b6f8fe00 00000004 00000001 00000000 00020000 beb1ca54 r6:00000031 r5:c19c97f0 r4:c69e20[ 96.311546] bfe0: 00000004 beb1c788 b6efa4cf b6e807e6 00 # [ 95.308980] [][ 96.319514] irq event stamp: 0 (___might_sleep) from [] 0x0 >] (__might_sleep+0x70/0xb0) # [[ 96.333876] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 95.316819] r6:00000000 r5:000[ 96.344229] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 00031 r4:c19c97f0 # [ 95.32145[ 96.354552] softirqs last disabled at (0): [<00000000>] 0x0 6] [] (__might_sleep) f[ 96.362980] ---[ end trace 6367bb2e32f6e251 ]--- rom [] (exit_signals+0x4c/0x3fc) # [ 95.329210] r6:00000001 r5:c69e2000 r4:c5a7a880 # [ 95.333851] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) # [ 95.341172] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c5a7a880 # [ 95.347890] [] (do_exit) from [] (die+0x374/0x380) # [ 95.354425] r7:c1e0facc # [ 95.356971] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 95.364032] r10:00000004 r9:c69e2000 r8:c15e8784 r7:00000000 r6:c69e3dc8 r5:c0c2fb00 # [ 95.371868] r4:e7f001f2 # [ 95.374415] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 95.382339] Exception stack(0xc69e3dc8 to 0xc69e3e10) # [ 95.387402] 3dc0: c15e878c ef7815e0 1ee48d6b c0c2faec 00000001 c6945000 # [ 95.395592] 3de0: 00000004 c69e3f60 c15e8784 c1acd05c 00000004 c69e3e64 c69e3e68 c69e3e58 # [ 95.403777] 3e00: c0c2f580 c0c2fb00 a00e0013 ffffffff # [ 95.408838] r7:c69e3dfc r6:ffffffff r5:a00e0013 r4:c0c2fb04 # [ 95.414516] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.422099] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.430117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.438045] r9:c69e3f60 r8:c5291000 r7:00000004 r6:b6ded000 r5:c5ba3b80 r4:c0c2f960 # [ 95.445801] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.453642] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6ded000 r5:c5ba3b80 r4:00000000 # [ 95.461396] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.468544] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c69e2000 r5:c5ba3b80 # [ 95.476380] r4:c5ba3b80 # [ 95.478926] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.486072] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000004 r4:00000004 # [ 95.493827] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.501404] Exception stack(0xc69e3fa8 to 0xc69e3ff0) # [ 95.506465] 3fa0: 00000004 00000004 00000001 b6ded000 00000004 00000000 # [ 95.514654] 3fc0: 00000004 00000004 b6f34e00 00000004 00000001 00000000 00020000 be898a54 # [ 95.522839] 3fe0: 00000004 be898788 b6e9f4cf b6e257e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 95.988602] lkdtm: Performing direct entry WARNING # [ 95.994419] ------------[ cut here ]------------ # [ 96.001990] WARNING: CPU: 3 PID: 873 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 96.013251] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.044957] CPU: 3 PID: 873 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 96.055422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.064813] Backtrace: # [ 96.070140] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.080559] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 96.089085] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.099259] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 96.109078] r9:00000009 r8:c0c2fb4c r7:00000053 r6:00000009 r5:c0c2fb4c r4:c1acd718 # [ 96.119688] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.130026] r7:00000053 r6:c1acd718 r5:00000000 r4:c6dba000 # [ 96.138555] [] (warn_slowpath_fmt) from [[ 96.702955] lkdtm: Performing direct entry WARNING_MESSAGE ] (lkdtm_WARNING+0x48/0[ 96.709889] ------------[ cut here ]------------ x4c) # [ 96.149500] r9:c1acd0[ 96.717268] WARNING: CPU: 2 PID: 908 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 60 r8:c15e8784 r7:c6dbbf60 r6:000[ 96.729290] Warning message trigger count: 2 00008 r5:c6ae8000 r4:00000002 # [ 96.736378] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 96.160109] [] (lkdt[ 96.768138] CPU: 2 PID: 908 Comm: cat Tainted: G D W 5.10.158-cip22 #1 m_WARNING) from [] (lkd[ 96.778597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) tm_do_action+0x2c/0x4c) # [ 96[ 96.787989] Backtrace: .170888] [] (lkdtm_do_a[ 96.793315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ction) from [] (direct_[ 96.803735] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 entry+0x120/0x18c) # [ 96.1817[ 96.812258] [] (show_stack) from [] (dump_stack+0xe0/0x100) 58] [] (direct_entry) f[ 96.822433] [] (dump_stack) from [] (__warn+0xfc/0x16c) rom [] (full_proxy_writ[ 96.832251] r9:00000009 r8:c0c2fb9c r7:00000058 r6:00000009 r5:c0c2fb9c r4:c1acd718 e+0x64/0x94) # [ 96.192531] r[ 96.842859] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 9:c6dbbf60 r8:c5291000 r7:0000000[ 96.853198] r7:00000058 r6:c1acd718 r5:c1acd734 r4:c6c8e000 8 r6:b6e48000 r5:c6bfbcc0 r4:c0c2[ 96.861727] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) f960 # [ 96.203140] [] (full_proxy_write) from [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 8d2c>] (vfs_write+0x10c/0x524) #[ 96.895447] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.213829] r9:c07f639c r8:c[ 96.906319] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 6dbbf60 r7:c2816000 r6:b6e48000 r[ 96.917087] r9:c6c8ff60 r8:c5291000 r7:00000010 r6:b6e8d000 r5:c5c28b40 r4:c0c2f960 5:c6bfbcc0 r4:00000000 # [ 96.[ 96.927698] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 224434] [] (vfs_write) [ 96.938385] r9:c07f639c r8:c6c8ff60 r7:c2816000 r6:b6e8d000 r5:c5c28b40 r4:00000000 from [] (ksys_write+0x7[ 96.948989] [] (vfs_write) from [] (ksys_write+0x74/0xec) 4/0xec) # [ 96.234431] r10:00[ 96.958987] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6c8e000 r5:c5c28b40 000004 r9:00000000 r8:00000000 r7[ 96.969674] r4:c5c28b40 :b6e48000 r6:c6dba000 r5:c6bfbcc0[ 96.975075] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.245118] r4:c6bfbcc0 [ 96.985072] r9:c6c8e000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000010 r4:00000010 # [ 96.250521] [] (ks[ 96.995679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ys_write) from [] (sys_[ 97.006105] Exception stack(0xc6c8ffa8 to 0xc6c8fff0) write+0x18/0x1c) # [ 96.260517[ 97.014024] ffa0: 00000010 00000010 00000001 b6e8d000 00000010 00000000 ] r9:c6dba000 r8:c03002e4 r7:000[ 97.025062] ffc0: 00000010 00000010 b6fd4e00 00000004 00000001 00000000 00020000 bef9ba54 00004 r6:b6f8fe00 r5:00000008 r4:[ 97.036097] ffe0: 00000004 bef9b788 b6f3f4cf b6ec57e6 00000008 # [ 96.271125] [] (sys_write) from [] 0x0 0>] (ret_fast_syscall+0x0/0x28) [ 97.058416] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 96.281550] Exception stack([ 97.068772] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 0xc6dbbfa8 to 0xc6dbbff0) # [ [ 97.079110] softirqs last disabled at (0): [<00000000>] 0x0 96.289469] bfa0: [ 97.087492] ---[ end trace 6367bb2e32f6e252 ]--- 00000008 00000008 00000001 b6e48000 00000008 00000000 # [ 96.300509] bfc0: 00000008 00000008 b6f8fe00 00000004 00000001 00000000 00020000 beb1ca54 # [ 96.311546] bfe0: 00000004 beb1c788 b6efa4cf b6e807e6 # [ 96.319514] irq event stamp: 0 # [ 96.325388] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.333876] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 96.344229] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 96.354552] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.362980] ---[ end trace 6367bb2e32f6e251 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 96.702955] lkdtm: Performing direct entry WARNING_MESSAGE # [ 96.709889] ------------[ cut here ]------------ # [ 96.717268] WARNING: CPU: 2 PID: 908 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 96.729290] Warning message trigger count: 2 # [ 96.736378] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.768138] CPU: 2 PID: 908 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 96.778597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.787989] Backtrace: # [ 96.793315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.803735] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 96.812258] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.822433] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 96.832251] r9:00000009 r8:c0c2fb9c r7:00000058 r6:00000009 r5:c0c2fb9c r4:c1acd718 # [ 96.842859] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.853198] r7:00000058 r6:c1acd718 r5:c1acd734 r4:c6c8e000 # [ 96.861727] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 96.873367] r9:c1acd068 r8:c15e8784 r7:c6c8ff60 r6:00000010 r5:c6c79000 r4:00000003 # [ 96.883976] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.895447] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.906319] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.917087] r9:c6c8ff60 r8:c5291000 r7:00000010 r6:b6e8d000 r5:c5c28b40 r4:c0c2f960 # [ 96.927698] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.938385] r9:c07f639c r8:c6c8ff60 r7:c2816000 r6:b6e8d000 r5:c5c28b40 r4:00000000 # [ 96.948989] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.958987] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c6c8e000 r5:c5c28b40 # [ 96.969674] r4:c5c28b40 # [ 96.975075] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.985072] r9:c6c8e000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000010 r4:00000010 # [ 96.995679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.006105] Exception stack(0xc6c8ffa8 to 0xc6c8fff0) # [ 97.014024] ffa0: 00000010 00000010 00000001 b6e8d000 00000010 00000000 # [ 97.025062] ffc0: 00000010 00000010 b6fd4e00 00000004 00000001 00000000 00020000 bef9ba54 # [ 97.036097] ffe0: 00000004 bef9b788 b6f3f4cf b6ec57e6 # [ 97.044049] irq event stamp: 0 # [ 97.049967] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.058416] hardirqs last disabled at ([ 97.421623] lkdtm: Performing direct entry EXCEPTION 0): [] copy_process+0x5[ 97.428582] 8<--- cut here --- c8/0x194c # [ 97.068772] softi[ 97.434353] Unable to handle kernel NULL pointer dereference at virtual address 00000000 rqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 97.450987] [00000000] *pgd=00000000 # [ 97.079110] softirqs last di[ 97.457335] Internal error: Oops: 805 [#2] SMP ARM sabled at (0): [<00000000>] 0x0 [ 97.464965] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.087492] ---[[ e n9d7 .496669] CPU: 1 PID: 940 Comm: cat Tainted: G D W 5.10.158-cip22 #1 race 6367bb[2 e 3 29f76.e5205625 4] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ]--- # WARNING_MESSAGE: saw [' m 97.514936] PC is at lkdtm_EXCEPTION+0x18/0x20 essage trigger[' : o9k7 . 5o2k1974] LR is at lkdtm_do_action+0x2c/0x4c 4 selfte[s t s9:7 .l5k2d8t4m0:9 pc : [] lr : [] psr: a00e0013 WARNING_ME[S S A G9E7..s5h3 6 3#24] sp : c68f9e58 ip : c68f9e68 fp : c68f9e64 selftest[s : l9k7d.t5m4:3 3E6X9] r10: 0000000a r9 : c1acd078 r8 : c15e8784 EPTION.s[h 97.550328] r7 : c68f9f60 r6 : 0000000a r5 : c6ad7000 r4 : 00000004 [ 97.557810] r3 : 00000000 r2 : 2900ce59 r1 : ef7965e0 r0 : c15e87a4 [ 97.564343] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 97.571484] Control: 10c5387d Table: 147bc04a DAC: 00000051 [ 97.577237] Process cat (pid: 940, stack limit = 0xc97bae15) [ 97.582901] Stack: (0xc68f9e58 to 0xc68fa000) [ 97.587266] 9e40: c68f9e74 c68f9e68 [ 97.595454] 9e60: c0c2f580 c0c2fbb0 c68f9e9c c68f9e78 c0c2fa80 c0c2f560 c0c2f960 c5b91cc0 [ 97.603641] 9e80: b6e00000 0000000a c5291000 c68f9f60 c68f9ec4 c68f9ea0 c07f6400 c0c2f96c [ 97.611826] 9ea0: 00000000 c5b91cc0 b6e00000 c2816000 c68f9f60 c07f639c c68f9f5c c68f9ec8 [ 97.620013] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2c666e4 c05992c0 c68f8000 [ 97.628198] 9ee0: b6e00000 00020000 00000004 0000000a 0001fff6 c68f9ee0 00000001 00000805 [ 97.636383] 9f00: c5c28000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 97.644568] 9f20: 00000000 00000000 c68f8000 2900ce59 b6dff000 c5b91cc0 c5b91cc0 c68f8000 [ 97.652752] 9f40: b6e00000 00000000 00000000 00000004 c68f9f94 c68f9f60 c05992c0 c0598c2c [ 97.660938] 9f60: 00000000 00000000 c68f9fac 2900ce59 0000000a 0000000a b6f47e00 00000004 [ 97.669124] 9f80: c03002e4 c68f8000 c68f9fa4 c68f9f98 c0599350 c0599258 00000000 c68f9fa8 [ 97.677310] 9fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 [ 97.685495] 9fc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 beb19a54 [ 97.693680] 9fe0: 00000004 beb19788 b6eb24cf b6e387e6 800e0030 00000001 00000000 00000000 [ 97.701861] Backtrace: [ 97.704328] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.712431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.720451] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.728377] r9:c68f9f60 r8:c5291000 r7:0000000a r6:b6e00000 r5:c5b91cc0 r4:c0c2f960 [ 97.736134] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.743975] r9:c07f639c r8:c68f9f60 r7:c2816000 r6:b6e00000 r5:c5b91cc0 r4:00000000 [ 97.751727] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.758871] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c68f8000 r5:c5b91cc0 [ 97.766704] r4:c5b91cc0 [ 97.769249] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.776391] r9:c68f8000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000a r4:0000000a [ 97.784147] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.791722] Exception stack(0xc68f9fa8 to 0xc68f9ff0) [ 97.796780] 9fa0: 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 [ 97.804966] 9fc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 beb19a54 [ 97.813148] 9fe0: 00000004 beb19788 b6eb24cf b6e387e6 [ 97.818210] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 97.824387] ---[ end trace 6367bb2e32f6e253 ]--- # Segmentation fault # [ 97.421623] lkdtm: Performing direct entry EXCEPTION # [ 97.428582] 8<--- cut here --- # [ 97.434353] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 97.445367] pgd = 915ca94f # [ 97.450987] [00000000] *pgd=00000000 # [ 97.457335] Internal error: Oops: 805 [#2] SMP ARM # [ 97.464965] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.496669] CPU: 1 PID: 940 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 97.506574] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.514936] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 97.521974] LR is at lkdtm_do_action+0x2c/0x4c # [ 97.528409] pc : [] lr : [] psr: a00e0013 # [ 97.536324] sp : c68f9e58 ip : c68f9e68 fp : c68f9e64 # [ 97.543369] r10: 0000000a r9 : c1acd078 r8 : c15e8784 # [ 97.550328] r7 : c68f9f60 r6 : 0000000a r5 : c6ad7000 r4 : 00000004 # [ 97.557810] r3 : 00000000 r2 : 2900ce59 r1 : ef7965e0 r0 : c15e87a4 # [ 97.564343] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.571484] Control: 10c5387d Table: 147bc04a DAC: 00000051 # [ 97.577237] Process cat (pid: 940, stack limit = 0xc97bae15) # [ 97.582901] Stack: (0xc68f9e58 to 0xc68fa000) # [ 97.587266] 9e40: c68f9e74 c68f9e68 # [ 97.595454] 9e60: c0c2f580 c0c2fbb0 c68f9e9c c68f9e78 c0c2fa80 c0c2f560 c0c2f960 c5b91cc0 # [ 97.603641] 9e80: b6e00000 0000000a c5291000 c68f9f60 c68f9ec4 c68f9ea0 c07f6400 c0c2f96c # [ 97.611826] 9ea0: 00000000 c5b91cc0 b6e00000 c2816000 c68f9f60 c07f639c c68f9f5c c68f9ec8 # [ 97.620013] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2c666e4 c05992c0 c68f8000 # [ 97.628198] 9ee0: b6e00000 00020000 00000004 0000000a 0001fff6 c68f9ee0 00000001 00000805 # [ 97.636383] 9f00: c5c28000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.644568] 9f20: 00000000 00000000 c68f8000 2900ce59 b6dff000 c5b91cc0 c5b91cc0 c68f8000 # [ 97.652752] 9f40: b6e00000 00000000 00000000 00000004 c68f9f94 c68f9f60 c05992c0 c0598c2c # [ 97.660938] 9f60: 00000000 00000000 c68f9fac 2900ce59 0000000a 0000000a b6f47e00 00000004 # [ 97.669124] 9f80: c03002e4 c68f8000 c68f9fa4 c68f9f98 c0599350 c0599258 00000000 c68f9fa8 # [ 97.677310] 9fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 # [ 97.685495] 9fc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 beb19a54 # [ 97.693680] 9fe0: 00000004 beb19788 b6eb24cf b6e387e6 800e0030 00000001 00000000 00000000 # [ 97.701861] Backtrace: # [ 97.704328] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.712431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.720451] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.728377] r9:c68f9f60 r8:c5291000 r7:0000000a r6:b6e00000 r5:c5b91cc0 r4:c0c2f960 # [ 97.736134] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.743975] r9:c07f639c r8:c68f9f60 r7:c2816000 r6:b6e00000 r5:c5b91cc0 r4:00000000 # [ 97.751727] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.758871] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c68f8000 r5:c5b91cc0 # [ 97.766704] r4:c5b91cc0 # [ 97.769249] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.776391] r9:c68f8000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000a r4:0000000a # [ 97.784147] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.791722] Exception stack(0xc68f9fa8 to 0xc68f9ff0) # [ 97.796780] 9fa0: 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 # [ 97.804966] 9fc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 beb19a54 # [ 97.813148] 9fe0: 00000004 beb19788 b6eb24cf b6e387e6 # [ 97.818210] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 97.824387] ---[ end trace 6367bb2e32f6e253 ]--- # 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 [ 98.949730] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 98.955328] lkdtm: attempting good list addition [ 98.960021] lkdtm: attempting corrupted list addition [ 98.965089] lkdtm: list_add() corruption not detected! # [ 98.949730] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 98.955328] lkdtm: attempting good list addition # [ 98.960021] lkdtm: attempting corrupted list addition # [ 98.965089] 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 [ 99.311998] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 99.317592] lkdtm: attempting good list removal [ 99.322349] lkdtm: attempting corrupted list removal [ 99.327369] lkdtm: list_del() corruption not detected! # [ 99.311998] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 99.317592] lkdtm: attempting good list removal # [ 99.322349] lkdtm: attempting corrupted list removal # [ 99.327369] 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 [ 99.653520] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 99.659915] lkdtm: attempting bad read from page below current stack [ 99.666285] lkdtm: FAIL: accessed page before stack! (byte: ff) # [ 99.653520] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 99.659915] lkdtm: attempting bad read from page below current stack # [ 99.666285] lkdtm: FAIL: accessed page before stack! (byte: ff) # 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 [ 99.993213] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 99.999809] lkdtm: attempting bad read from page above current stack [ 100.006207] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 99.993213] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 99.999809] lkdtm: attempting bad read from page above current stack # [ 100.006207] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh [ 100.344336] lkdtm: Performing direct entry UNSET_SMEP [ 100.349651] lkdtm: XFAIL: this test is x86_64-only # [ 100.344336] lkdtm: Performing direct entry UNSET_SMEP # [ 100.349651] 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 [ 100.681033] lkdtm: Performing direct entry DOUBLE_FAULT [ 100.686280] lkdtm: XFAIL: this test is ia32-only # [ 100.681033] lkdtm: Performing direct entry DOUBLE_FAULT # [ 100.686280] 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 [ 101.013151] lkdtm: Performing direct entry CORRUPT_PAC [ 101.018410] lkdtm: XFAIL: this test is arm64-only # [ 101.013151] lkdtm: Performing direct entry CORRUPT_PAC # [ 101.018410] 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 [ 101.371181] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 101.377648] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 101.371181] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 101.377648] 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 [ 102.086722] lkdtm: Performing direct entry READ_AFTER_FREE [ 102.092509] lkdtm: Value in memory before free: 12345678 [ 102.097866] lkdtm: Attempting bad read from freed memory [ 102.103229] lkdtm: Memory was not poisoned # [ 102.086722] lkdtm: Performing direct entry READ_AFTER_FREE # [ 102.092509] lkdtm: Value in memory before free: 12345678 # [ 102.097866] lkdtm: Attempting bad read from freed memory # [ 102.103229] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 102.619983] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 102.626014] lkdtm: Value in memory before free: 12345678 [ 102.631429] lkdtm: Attempting to read from freed memory [ 102.636667] lkdtm: Buddy page was not poisoned # [ 102.619983] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 102.626014] lkdtm: Value in memory before free: 12345678 # [ 102.631429] lkdtm: Attempting to read from freed memory # [ 102.636667] 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 [ 102.964974] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 102.970758] lkdtm: Attempting double slab free ... # [ 102.964974] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 102.970758] 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 [ 103.309371] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 103.314888] lkdtm: Attempting cross-cache slab free ... # [ 103.309371] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 103.314888] 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 [ 103.654472] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 103.659988] lkdtm: Attempting non-Slab slab free ... # [ 103.654472] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 103.659988] 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 [ 104.750855] lkdtm: Performing direct entry EXEC_DATA [ 104.755848] lkdtm: attempting ok execution at c0c302f0 [ 104.761119] lkdtm: attempting bad execution at c26f694c [ 104.766370] 8<--- cut here --- [ 104.769435] Unable to handle kernel paging request at virtual address c26f694c [ 104.776666] pgd = 812143b1 [ 104.779391] [c26f694c] *pgd=1261141e(bad) [ 104.783456] Internal error: Oops: 8000000d [#3] SMP ARM [ 104.788706] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 104.817992] CPU: 2 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 104.825756] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 104.832323] PC is at data_area+0x0/0x40 [ 104.836203] LR is at execute_location+0xa4/0xb4 [ 104.840758] pc : [] lr : [] psr: 600e0013 [ 104.847046] sp : c6dbbe38 ip : 00000027 fp : c6dbbe54 [ 104.852293] r10: 0000000a r9 : c1acd25c r8 : c15e8784 [ 104.857541] r7 : c6dbbf60 r6 : 00000001 r5 : c26f694c r4 : c0c302f0 [ 104.864089] r3 : e691ebf3 r2 : e691ebf3 r1 : ef7ab5e4 r0 : 0000002b [ 104.870641] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 104.877801] Control: 10c5387d Table: 16e7c04a DAC: 00000051 [ 104.883571] Process cat (pid: 1783, stack limit = 0x9205c812) [ 104.889339] Stack: (0xc6dbbe38 to 0xc6dbc000) [ 104.893723] be20: 0000001f c6cac000 [ 104.901932] be40: 0000000a c6dbbf60 c6dbbe64 c6dbbe58 c135e860 c135e65c c6dbbe74 c6dbbe68 [ 104.910139] be60: c0c2f580 c135e848 c6dbbe9c c6dbbe78 c0c2fa80 c0c2f560 c0c2f960 c5cef7c0 [ 104.918348] be80: b6e72000 0000000a c5291000 c6dbbf60 c6dbbec4 c6dbbea0 c07f6400 c0c2f96c [ 104.926556] bea0: 00000000 c5cef7c0 b6e72000 c2816000 c6dbbf60 c07f639c c6dbbf5c c6dbbec8 [ 104.934765] bec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dba000 [ 104.942972] bee0: b6e72000 00020000 00000004 0000000a 0001fff6 c6dbbee0 00000001 b6e71000 [ 104.951180] bf00: c6aad900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 104.959387] bf20: 00000000 00000000 c1373e40 e691ebf3 c205c540 c5cef7c0 c5cef7c0 c6dba000 [ 104.967596] bf40: b6e72000 00000000 00000000 00000004 c6dbbf94 c6dbbf60 c05992c0 c0598c2c [ 104.975805] bf60: 00000000 00000000 c6dbbfac e691ebf3 0000000a 0000000a b6fb9e00 00000004 [ 104.984011] bf80: c03002e4 c6dba000 c6dbbfa4 c6dbbf98 c0599350 c0599258 00000000 c6dbbfa8 [ 104.992218] bfa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e72000 0000000a 00000000 [ 105.000428] bfc0: 0000000a 0000000a b6fb9e00 00000004 00000001 00000000 00020000 bee96a54 [ 105.008636] bfe0: 00000004 bee96788 b6f244cf b6eaa7e6 800e0030 00000001 00000000 00000000 [ 105.016830] Backtrace: [ 105.019336] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 105.027546] r7:c6dbbf60 r6:0000000a r5:c6cac000 r4:0000001f [ 105.033259] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.041389] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.049437] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 105.057386] r9:c6dbbf60 r8:c5291000 r7:0000000a r6:b6e72000 r5:c5cef7c0 r4:c0c2f960 [ 105.065172] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 105.073036] r9:c07f639c r8:c6dbbf60 r7:c2816000 r6:b6e72000 r5:c5cef7c0 r4:00000000 [ 105.080814] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.087979] r10:00000004 r9:00000000 r8:00000000 r7:b6e72000 r6:c6dba000 r5:c5cef7c0 [ 105.095829] r4:c5cef7c0 [ 105.098395] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.105561] r9:c6dba000 r8:c03002e4 r7:00000004 r6:b6fb9e00 r5:0000000a r4:0000000a [ 105.113341] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.120930] Exception stack(0xc6dbbfa8 to 0xc6dbbff0) [ 105.126011] bfa0: 0000000a 0000000a 00000001 b6e72000 0000000a 00000000 [ 105.134219] bfc0: 0000000a 0000000a b6fb9e00 00000004 00000001 00000000 00020000 bee96a54 [ 105.142422] bfe0: 00000004 bee96788 b6f244cf b6eaa7e6 [ 105.147513] Code: 00000000 c2e10840 c2e10900 c2e109c0 (e1a0c00d) [ 105.153641] ---[ end trace 6367bb2e32f6e254 ]--- # Segmentation fault # [ 104.750855] lkdtm: Performing direct entry EXEC_DATA # [ 104.755848] lkdtm: attempting ok execution at c0c302f0 # [ 104.761119] lkdtm: attempting bad execution at c26f694c # [ 104.766370] 8<--- cut here --- # [ 104.769435] Unable to handle kernel paging request at virtual address c26f694c # [ 104.776666] pgd = 812143b1 # [ 104.779391] [c26f694c] *pgd=1261141e(bad) # [ 104.783456] Internal error: Oops: 8000000d [#3] SMP ARM # [ 104.788706] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.817992] CPU: 2 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 104.825756] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.832323] PC is at data_area+0x0/0x40 # [ 104.836203] LR is at execute_location+0xa4/0xb4 # [ 104.840758] pc : [] lr : [] psr: 600e0013 # [ 104.847046] sp : c6dbbe38 ip : 00000027 fp : c6dbbe54 # [ 104.852293] r10: 0000000a r9 : c1acd25c r8 : c15e8784 # [ 104.857541] r7 : c6dbbf60 r6 : 00000001 r5 : c26f694c r4 : c0c302f0 # [ 104.864089] r3 : e691ebf3 r2 : e691ebf3 r1 : ef7ab5e4 r0 : 0000002b # [ 104.870641] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 104.877801] Control: 10c5387d Table: 16e7c04a DAC: 00000051 # [ 104.883571] Process cat (pid: 1783, stack limit = 0x9205c812) # [ 104.889339] Stack: (0xc6dbbe38 to 0xc6dbc000) # [ 104.893723] be20: 0000001f c6cac000 # [ 104.901932] be40: 0000000a c6dbbf60 c6dbbe64 c6dbbe58 c135e860 c135e65c c6dbbe74 c6dbbe68 # [ 104.910139] be60: c0c2f580 c135e848 c6dbbe9c c6dbbe78 c0c2fa80 c0c2f560 c0c2f960 c5cef7c0 # [ 104.918348] be80: b6e72000 0000000a c5291000 c6dbbf60 c6dbbec4 c6dbbea0 c07f6400 c0c2f96c # [ 104.926556] bea0: 00000000 c5cef7c0 b6e72000 c2816000 c6dbbf60 c07f639c c6dbbf5c c6dbbec8 # [ 104.934765] bec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dba000 # [ 104.942972] bee0: b6e72000 00020000 00000004 0000000a 0001fff6 c6dbbee0 00000001 b6e71000 # [ 104.951180] bf00: c6aad900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 104.959387] bf20: 00000000 00000000 c1373e40 e691ebf3 c205c540 c5cef7c0 c5cef7c0 c6dba000 # [ 104.967596] bf40: b6e72000 00000000 00000000 00000004 c6dbbf94 c6dbbf60 c05992c0 c0598c2c # [ 104.975805] bf60: 00000000 00000000 c6dbbfac e691ebf3 0000000a 0000000a b6fb9e00 00000004 # [ 104.984011] bf80: c03002e4 c6dba000 c6dbbfa4 c6dbbf98 c0599350 c0599258 00000000 c6dbbfa8 # [ 104.992218] bfa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e72000 0000000a 00000000 # [ 105.000428] bfc0: 0000000a 0000000a b6fb9e00 00000004 00000001 00000000 00020000 bee96a54 # [ 105.008636] bfe0: 00000004 bee96788 b6f244cf b6eaa7e6 800e0030 00000001 00000000 00000000 # [ 105.016830] Backtrace: # [ 105.019336] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 105.027546] r7:c6dbbf60 r6:0000000a r5:c6cac000 r4:0000001f # [ 105.033259] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.041389] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.049437] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.057386] r9:c6dbbf60 r8:c5291000 r7:0000000a r6:b6e72000 r5:c5cef7c0 r4:c0c2f960 # [ 105.065172] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.073036] r9:c07f639c r8:c6dbbf60 r7:c2816000 r6:b6e72000 r5:c5cef7c0 r4:00000000 # [ 105.080814] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.087979] r10:00000004 r9:00000000 r8:00000000 r7:b6e72000 r6:[ 105.604394] lkdtm: Performing direct entry EXEC_STACK c6dba000 r5:c5cef7c0 # [ 105.09[ 105.610533] lkdtm: attempting ok execution at c0c302f0 5829] r4:c5cef7c0 # [ 105.0983[ 105.618747] lkdtm: attempting bad execution at c6dafe0c 95] [] (ksys_write) fro[ 105.626609] 8<--- cut here --- m [5]. 6(3s2y4s9_0] Unable to handle kernel paging request at virtual address c6dafe0c rite+0x18/0x1c) # [[ 110055..641461] pgd = d53b3829 05561] r9:c6dba000 r8:c03002e4 r[ 105.646430] [c6dafe0c] *pgd=16c1141e(bad) 7:00000004 r6:b6fb9e00 r5:0000[0 105.653319] Internal error: Oops: 8000000d [#4] SMP ARM 0a r4:0000000a # [ 105.113341] [ 105.661237] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [] (sys_write) from [] (ret_[f a s1t0_5s.y7s0c555] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) all+0x0/0x28) # [ 105.120[9 3 005.712096] PC is at 0xc6dafe0c ] Exception stack(0xc6dbbfa8 to 0[ 105.717778] LR is at execute_location+0xa4/0xb4 xc6dbbff0) # [ 105[. 1 120650.125155] pc : [] lr : [] psr: 600e0013 1] bfa0: [ 1 0 5 . 733599] sp : c6dafde8 ip : 00000027 fp : c6dafe04 0000000a 0000[0 0 01a0 50.070401000] r10: 0000000b r9 : c1acd268 r8 : c15e8784 001 b6e72000 000000[0 a 100050.048230] r7 : c6daff60 r6 : 00000001 r5 : c6dafe0c r4 : c0c302f0 0000 # [ 105.1342[1 9 ]1 0b5f.c56934] r3 : becf96d4 r2 : becf96d4 r1 : ef7c05e4 r0 : 0000002b 0: 0000000a 0000000a b6f[b 9 e1005.765639] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000004 00000001 00[0 0 010050.775210] Control: 10c5387d Table: 16c5404a DAC: 00000051 00020000 bee96a54 # [[ 11005.783219] Process cat (pid: 1859, stack limit = 0xe45fe4ce) .142422] bfe0: 000[0 0 010045 .b791313] Stack: (0xc6dafde8 to 0xc6db0000) e96788 b6f244cf b6eaa7e6 # [ 10[ 105.797859] fde0: c6dae000 c5db2000 0000000b c6daff60 c6dafe64 c6dafe08 5.147513] Code: 00000000 c2e10[8 105.808902] fe00: c135e89c c135e65c c6dafe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 0 c2e10900 c2e109c0 (e1a0c00d)[ 105.819776] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 105.153641] ---[ end trace [ 105.830651] fe40: e3a02040 e3a01d33 e5930018 becf96d4 0000000b 00000020 c6dafe74 c6dafe68 6367bb2e32f6e254 ]--- # EXEC_D[A 105.841697] fe60: c0c2f580 c135e870 c6dafe9c c6dafe78 c0c2fa80 c0c2f560 c0c2f960 c6aade00 TA: missing 'call trace:': [FAI[L 105.852572] fe80: b6dfb000 0000000b c5291000 c6daff60 c6dafec4 c6dafea0 c07f6400 c0c2f96c ] not ok 30 selftests: lkdtm:[ 105.863444] fea0: 00000000 c6aade00 b6dfb000 c2816000 c6daff60 c07f639c c6daff5c c6dafec8 XEC_DATA.sh # exit=1 # selft[e s105.874317] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c4473764 c05992c0 c6dae000 ts: lkdtm: EXEC_STACK.sh [ 105.885104] fee0: b6dfb000 00020000 00000004 0000000b 0001fff5 c6dafee0 00000001 00000805 [ 105.895542] ff00: c5b84640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 105.903753] ff20: 00000000 00000000 c6dae000 becf96d4 b6dfa000 c6aade00 c6aade00 c6dae000 [ 105.911962] ff40: b6dfb000 00000000 00000000 00000004 c6daff94 c6daff60 c05992c0 c0598c2c [ 105.920168] ff60: 00000000 00000000 c6daffac becf96d4 0000000b 0000000b b6f42e00 00000004 [ 105.928376] ff80: c03002e4 c6dae000 c6daffa4 c6daff98 c0599350 c0599258 00000000 c6daffa8 [ 105.936583] ffa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 [ 105.944791] ffc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 be86fa54 [ 105.952998] ffe0: 00000004 be86f788 b6ead4cf b6e337e6 800e0030 00000001 00000000 00000000 [ 105.961191] Backtrace: [ 105.963700] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 105.972001] r7:c6daff60 r6:0000000b r5:c5db2000 r4:c6dae000 [ 105.977709] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.985909] r4:00000020 [ 105.988483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.996530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 106.004479] r9:c6daff60 r8:c5291000 r7:0000000b r6:b6dfb000 r5:c6aade00 r4:c0c2f960 [ 106.012262] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 106.020124] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6dfb000 r5:c6aade00 r4:00000000 [ 106.027901] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 106.035067] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c6dae000 r5:c6aade00 [ 106.042918] r4:c6aade00 [ 106.045486] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.052652] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000b r4:0000000b [ 106.060430] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 106.068020] Exception stack(0xc6daffa8 to 0xc6dafff0) [ 106.073101] ffa0: 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 [ 106.081309] ffc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 be86fa54 [ 106.089511] ffe0: 00000004 be86f788 b6ead4cf b6e337e6 [ 106.094594] Code: c6dafe08 c135e89c c135e65c c6dafe6c (e1a0c00d) [ 106.100723] ---[ end trace 6367bb2e32f6e255 ]--- # Segmentation fault # [ 105.604394] lkdtm: Performing direct entry EXEC_STACK # [ 105.610533] lkdtm: attempting ok execution at c0c302f0 # [ 105.618747] lkdtm: attempting bad execution at c6dafe0c # [ 105.626609] 8<--- cut here --- # [ 105.632490] Unable to handle kernel paging request at virtual address c6dafe0c # [ 105.641461] pgd = d53b3829 # [ 105.646430] [c6dafe0c] *pgd=16c1141e(bad) # [ 105.653319] Internal error: Oops: 8000000d [#4] SMP ARM # [ 105.661237] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.692954] CPU: 3 PID: 1859 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 105.703555] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.712096] PC is at 0xc6dafe0c # [ 105.717778] LR is at execute_location+0xa4/0xb4 # [ 105.725155] pc : [] lr : [] psr: 600e0013 # [ 105.733599] sp : c6dafde8 ip : 00000027 fp : c6dafe04 # [ 105.741000] r10: 0000000b r9 : c1acd268 r8 : c15e8784 # [ 105.748230] r7 : c6daff60 r6 : 00000001 r5 : c6dafe0c r4 : c0c302f0 # [ 105.756934] r3 : becf96d4 r2 : becf96d4 r1 : ef7c05e4 r0 : 0000002b # [ 105.765639] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 105.775210] Control: 10c5387d Table: 16c5404a DAC: 00000051 # [ 105.783219] Process cat (pid: 1859, stack limit = 0xe45fe4ce) # [ 105.791313] Stack: (0xc6dafde8 to 0xc6db0000) # [ 105.797859] fde0: c6dae000 c5db2000 0000000b c6daff60 c6dafe64 c6dafe08 # [ 105.808902] fe00: c135e89c c135e65c c6dafe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 105.819776] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 105.830651] fe40: e3a02040 e3a01d33 e5930018 becf96d4 0000000b 00000020 c6dafe74 c6dafe68 # [ 105.841697] fe60: c0c2f580 c135e870 c6dafe9c c6dafe78 c0c2fa80 c0c2f560 c0c2f960 c6aade00 # [ 105.852572] fe80: b6dfb000 0000000b c5291000 c6daff60 c6dafec4 c6dafea0 c07f6400 c0c2f96c # [ 105.863444] fea0: 00000000 c6aade00 b6dfb000 c2816000 c6daff60 c07f639c c6daff5c c6dafec8 # [ 105.874317] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c4473764 c05992c0 c6dae000 # [ 105.885104] fee0: b6dfb000 00020000 00000004 0000000b 0001fff5 c6dafee0 00000001 00000805 # [ 105.895542] ff00: c5b84640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 105.903753] ff20: 00000000 00000000 c6dae000 becf96d4 b6dfa000 c6aade00 c6aade00 c6dae000 # [ 105.911962] ff40: b6dfb000 00000000 00000000 00000004 c6daff94 c6daff60 c05992c0 c0598c2c # [ 105.920168] ff60: 00000000 00000000 c6daffac becf96d4 0000000b 0000000b b6f42e00 00000004 # [ 105.928376] ff80: c03002e4 c6dae000 c6daffa4 c6daff98 c0599350 c0599258 00000000 c6daffa8 # [ 105.936583] ffa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 # [ 105.944791] ffc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 be86fa54 # [ 105.952998] ffe0: 00000004 be86f788 b6ead4cf b6e337e6 800e0030 00000001 00000000 00000000 # [ 105.961191] Backtrace: # [ 105.963700] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 105.972001] r7:c6daff60 r6:0000000b r5:c5db2000 r4:c6dae000 # [ 105.977709] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.985909] r4:00000020 # [ 105.988483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.996530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.004479] r9:c6daff60 r8:c5291000 r7:0000000b r6:b6dfb000 r5:c6[ 106.534114] lkdtm: Performing direct entry EXEC_KMALLOC aade00 r4:c0c2f960 # [ 106.0122[ 106.540163] lkdtm: attempting ok execution at c0c302f0 62] [] (full_[p r o1x0y.548078] lkdtm: attempting bad execution at c6c6cec0 _write) from [] (vfs_wr[ 106.555690] 8<--- cut here --- ite+0x10c/0x524) [ # 1[0 6 .1501566] Unable to handle kernel paging request at virtual address c6c6cec0 6.020124] r[9 : c10076f.653790c870] pgd = faaf96b1 r8:c6daff60 r7:c2816000 r6:[b 6 d06.575485] [c6c6cec0] *pgd=16c1141e(bad) fb000 r5:c6aade00 r[4 : 0100060.082016] Internal error: Oops: 8000000d [#5] SMP ARM 000 # [ 106.027901] [[ 106.589407] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] (vfs_write) from [[< c 0150969.621108] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.158-cip22 #1 c0>] (ks[y s _1w0r6i.t6e31+009x97 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 4/0xec) # [ 106.0[3 5 016076]. 39279] PC is at 0xc6c6cec0 r10:00000004 r9:00000000 r8:0[0 106.644597] LR is at execute_location+0xa4/0xb4 00000 r7:b[6 d f1b0060.06 5r168:03] pc : [] lr : [] psr: 600e0013 6dae000 r5:[c 61a0a6d.e60509 8 91] sp : c582fe30 ip : c582fd38 fp : c582fe4c [ 106.042[9 1 81]0 6 .r646:6c967] r10: 0000000d r9 : c1acd274 r8 : c15e8784 aade00 [# [1 0 61.0667.3094851] r7 : c582ff60 r6 : 00000001 r5 : c6c6cec0 r4 : c0c302f0 86] [.]6 8(2k2s4y] r3 : e555aa22 r2 : e555aa22 r1 : ef7ab5e0 r0 : 0000002b s_write) fr[o m 1[0<6c.0659909535] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 50>] (sys_wr[i t e1+006x.1689/90462] Control: 10c5387d Table: 16cf404a DAC: 00000051 1c) # [ 106.[0 5 2160562.]7 0 7116] Process cat (pid: 1938, stack limit = 0x4599968c) 9:c6dae000 r[8 : c10036.070124e845] Stack: (0xc582fe30 to 0xc5830000) r7:00000004 r6:b6[f 4 21e0060. 721036] fe20: c6c6cec0 c6cac000 0000000d c582ff60 5:0000000b r4:00[0 0 010006b. 7 31381] fe40: c582fe64 c582fe50 c0c30340 c135e65c 00000021 c6cac000 c582fe74 c582fe68 [ 106.060430] [[ < c100569.97341637] fe60: c0c2f580 c0c30314 c582fe9c c582fe78 c0c2fa80 c0c2f560 c0c2f960 c5cee000 8>] (sys_write) [f r o1m0 6[.<7c51896] fe80: b6e6c000 0000000d c5291000 c582ff60 c582fec4 c582fea0 c07f6400 c0c2f96c 3000c0>] (ret_fa[s t _1s0y6s.c7a62152] fea0: 00000000 c5cee000 b6e6c000 c2816000 c582ff60 c07f639c c582ff5c c582fec8 l+0x0/0x28) # [[ 110066..07672410] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c582e000 020] Exception [s t a1c0k6(.07x8c668] fee0: b6e6c000 00020000 00000004 0000000d 0001fff3 c582fee0 00000001 b6e6b000 6daffa8 to 0xc[6 d a1f0f6f.07)9 2838] ff00: c5b90640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 106.073101][ f f1a006:. 8 03011] ff20: 00000000 00000000 c1373e40 e555aa22 c205c540 c5cee000 c5cee000 c582e000 [ 0100060.080103268] ff40: b6e6c000 00000000 00000000 00000004 c582ff94 c582ff60 c05992c0 c0598c2c 0000000b 00000[0 0 11 0b66.d8f2b440] ff60: 00000000 00000000 c582ffac e555aa22 0000000d 0000000d b6fb3e00 00000004 000 0000000b 00[0 0 0100060. 8 3#611] ff80: c03002e4 c582e000 c582ffa4 c582ff98 c0599350 c0599258 00000000 c582ffa8 [ 106.081309] [f f c100:6 .08043782] ffa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e6c000 0000000d 00000000 0000b 0000000b b[6 f 4120e60.08 54040] ffc0: 0000000d 0000000d b6fb3e00 00000004 00000001 00000000 00020000 bee44a54 0000004 00000001 0[0 0 0100060.0864298] ffe0: 00000004 bee44788 b6f1e4cf b6ea47e6 800e0030 00000001 00000000 00000000 00020000 be86fa[5 4 1 0#6 .[8 7 635] Backtrace: 106.089511] ffe0: 00000004 be8[6 106.879091] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 788 b6ead4cf [b 6 1e0363.78e960 209] r7:c582ff60 r6:0000000d r5:c6cac000 r4:c6c6cec0 # [ 106.094594] Code: c6d[a f e106.897785] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 8 c135e89c c[1 3 51e0665.c9 0c86641] r5:c6cac000 r4:00000021 afe6c (e1a0c00d) # [[ 110066914132] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) .100723] ---[ end trace 63[6 7 b106.924391] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 2e32f6e255 ]--- [# E1X0E6C._9S4816] r9:c582ff60 r8:c5291000 r7:0000000d r6:b6e6c000 r5:c5cee000 r4:c0c2f960 TACK: missing 'call trace[: ' :1 6.944645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [FAIL] not ok [3 1 1s0e6l.f9t5e896] r9:c07f639c r8:c582ff60 r7:c2816000 r6:b6e6c000 r5:c5cee000 r4:00000000 sts: lkdtm: EXEC_[S T A1C0K6..s9h4634] [] (vfs_write) from [] (ksys_write+0x74/0xec) # exit=1 # self[t e s1t0s6:. 9l3850] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c582e000 r5:c5cee000 kdtm: EX[E C _1K0M6A.L9L8O3C7.5s5] r4:c5cee000 [ 106.988029] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.995334] r9:c582e000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:0000000d r4:0000000d [ 107.003087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 107.010660] Exception stack(0xc582ffa8 to 0xc582fff0) [ 107.015719] ffa0: 0000000d 0000000d 00000001 b6e6c000 0000000d 00000000 [ 107.023907] ffc0: 0000000d 0000000d b6fb3e00 00000004 00000001 00000000 00020000 bee44a54 [ 107.032092] ffe0: 00000004 bee44788 b6f1e4cf b6ea47e6 [ 107.037155] Code: eff105a0 eff105c0 eff105e0 eff0db00 (e1a0c00d) [ 107.043261] ---[ end trace 6367bb2e32f6e256 ]--- # Segmentation fault # [ 106.534114] lkdtm: Performing direct entry EXEC_KMALLOC # [ 106.540163] lkdtm: attempting ok execution at c0c302f0 # [ 106.548078] lkdtm: attempting bad execution at c6c6cec0 # [ 106.555690] 8<--- cut here --- # [ 106.561566] Unable to handle kernel paging request at virtual address c6c6cec0 # [ 106.570870] pgd = faaf96b1 # [ 106.575485] [c6c6cec0] *pgd=16c1141e(bad) # [ 106.582016] Internal error: Oops: 8000000d [#5] SMP ARM # [ 106.589407] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 106.621108] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 106.631099] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.639279] PC is at 0xc6c6cec0 # [ 106.644597] LR is at execute_location+0xa4/0xb4 # [ 106.651803] pc : [] lr : [] psr: 600e0013 # [ 106.659891] sp : c582fe30 ip : c582fd38 fp : c582fe4c # [ 106.666937] r10: 0000000d r9 : c1acd274 r8 : c15e8784 # [ 106.673981] r7 : c582ff60 r6 : 00000001 r5 : c6c6cec0 r4 : c0c302f0 # [ 106.682243] r3 : e555aa22 r2 : e555aa22 r1 : ef7ab5e0 r0 : 0000002b # [ 106.690505] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 106.699462] Control: 10c5387d Table: 16cf404a DAC: 00000051 # [ 106.707116] Process cat (pid: 1938, stack limit = 0x4599968c) # [ 106.714855] Stack: (0xc582fe30 to 0xc5830000) # [ 106.721036] fe20: c6c6cec0 c6cac000 0000000d c582ff60 # [ 106.731381] fe40: c582fe64 c582fe50 c0c30340 c135e65c 00000021 c6cac000 c582fe74 c582fe68 # [ 106.741637] fe60: c0c2f580 c0c30314 c582fe9c c582fe78 c0c2fa80 c0c2f560 c0c2f960 c5cee000 # [ 106.751896] fe80: b6e6c000 0000000d c5291000 c582ff60 c582fec4 c582fea0 c07f6400 c0c2f96c # [ 106.762152] fea0: 00000000 c5cee000 b6e6c000 c2816000 c582ff60 c07f639c c582ff5c c582fec8 # [ 106.772410] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c582e000 # [ 106.782668] fee0: b6e6c000 00020000 00000004 0000000d 0001fff3 c582fee0 00000001 b6e6b000 # [ 106.792838] ff00: c5b90640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 106.803011] ff20: 00000000 00000000 c1373e40 e555aa22 c205c540 c5cee000 c5cee000 c582e000 # [ 106.813268] ff40: b6e6c000 00000000 00000000 00000004 c582ff94 c582ff60 c05992c0 c0598c2c # [ 106.823440] ff60: 00000000 00000000 c582ffac e555aa22 0000000d 0000000d b6fb3e00 00000004 # [ 106.833611] ff80: c03002e4 c582e000 c582ffa4 c582ff98 c0599350 c0599258 00000000 c582ffa8 # [ 106.843782] ffa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e6c000 0000000d 00000000 # [ 106.854040] ffc0: 0000000d 0000000d b6fb3e00 00000004 00000001 00000000 00020000 bee44a54 # [ 106.864298] ffe0: 00000004 bee44788 b6f1e4cf b6ea47e6 800e0030 00000001 00000000 00000000 # [ 106.874635] Backtrace: # [ 106.879091] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 106.890209] r7:c582ff60 r6:0000000d r5:c6cac000 r4:c6c6cec0 # [ 106.897785] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.908641] r5:c6cac000 r4:00000021 # [ 106.914132] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.924391] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.934816] r9:c582ff60 r8:c5291000 r7:0000000d r6:b6e6c000 r5:c5cee000 r4:c0c2f960 # [ 106.944645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.954896] r9:c07f639c r8:c582ff60 [ 107.471667] lkdtm: Performing direct entry EXEC_VMALLOC r7:c2816000 r6:b6e6c000 r5:c5cee0[ 107.477337] lkdtm: attempting ok execution at c0c302f0 00 r4:00000000 # [ 106.964634] [ 107.485411] lkdtm: attempting bad execution at f096c000 [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 107.499519] Unable to handle kernel paging request at virtual address f096c000 # [ 106.973850] r10:00000004 r[ 107.509643] pgd = 1c0a7784 9:00000000 r8:00000000 r7:b6e6c00[ 107.515206] [f096c000] *pgd=12949811, *pte=49ad265f, *ppte=49ad245f 0 r6:c582e000 r5:c5cee000 # [ 1[ 107.524399] Internal error: Oops: 8000000f [#6] SMP ARM [ 107.532425] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 107.561457] CPU: 0 PID: 2015 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 107.569204] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 107.575742] PC is at 0xf096c000 [ 107.578900] LR is at execute_location+0xa4/0xb4 [ 107.583436] pc : [] lr : [] psr: 600e0013 [ 107.589707] sp : c6a21e30 ip : c6a21d38 fp : c6a21e4c [ 107.594936] r10: 0000000d r9 : c1acd284 r8 : c15e8784 [ 107.600166] r7 : c6a21f60 r6 : 00000001 r5 : f096c000 r4 : c0c302f0 [ 107.606699] r3 : 504148eb r2 : 504148eb r1 : ef7815e0 r0 : 0000002b [ 107.613232] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 107.620373] Control: 10c5387d Table: 1580004a DAC: 00000051 [ 107.626124] Process cat (pid: 2015, stack limit = 0x6de00734) [ 107.631875] Stack: (0xc6a21e30 to 0xc6a22000) [ 107.636241] 1e20: f096c000 c6e50000 0000000d c6a21f60 [ 107.644426] 1e40: c6a21e64 c6a21e50 c0c30374 c135e65c 00000022 c6e50000 c6a21e74 c6a21e68 [ 107.652611] 1e60: c0c2f580 c0c30358 c6a21e9c c6a21e78 c0c2fa80 c0c2f560 c0c2f960 c5b90dc0 [ 107.660796] 1e80: b6e8f000 0000000d c5291000 c6a21f60 c6a21ec4 c6a21ea0 c07f6400 c0c2f96c [ 107.668980] 1ea0: 00000000 c5b90dc0 b6e8f000 c2816000 c6a21f60 c07f639c c6a21f5c c6a21ec8 [ 107.677168] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6a20000 [ 107.685353] 1ee0: b6e8f000 00020000 00000004 0000000d 0001fff3 c6a21ee0 00000001 b6e8e000 [ 107.693538] 1f00: c5b81cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 107.701724] 1f20: 00000000 00000000 c1373e40 504148eb c205c540 c5b90dc0 c5b90dc0 c6a20000 [ 107.709909] 1f40: b6e8f000 00000000 00000000 00000004 c6a21f94 c6a21f60 c05992c0 c0598c2c [ 107.718093] 1f60: 00000000 00000000 c6a21fac 504148eb 0000000d 0000000d b6fd6e00 00000004 [ 107.726279] 1f80: c03002e4 c6a20000 c6a21fa4 c6a21f98 c0599350 c0599258 00000000 c6a21fa8 [ 107.734464] 1fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e8f000 0000000d 00000000 [ 107.742650] 1fc0: 0000000d 0000000d b6fd6e00 00000004 00000001 00000000 00020000 bef7ba54 [ 107.750834] 1fe0: 00000004 bef7b788 b6f414cf b6ec77e6 800e0030 00000001 00000000 00000000 [ 107.759013] Backtrace: [ 107.761482] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 107.769929] r7:c6a21f60 r6:0000000d r5:c6e50000 r4:f096c000 [ 107.775604] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 107.783961] r5:c6e50000 r4:00000022 [ 107.787550] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 107.795567] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 107.803493] r9:c6a21f60 r8:c5291000 r7:0000000d r6:b6e8f000 r5:c5b90dc0 r4:c0c2f960 [ 107.811251] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 107.819092] r9:c07f639c r8:c6a21f60 r7:c2816000 r6:b6e8f000 r5:c5b90dc0 r4:00000000 [ 107.826844] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 107.833989] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c6a20000 r5:c5b90dc0 [ 107.841822] r4:c5b90dc0 [ 107.844366] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 107.851509] r9:c6a20000 r8:c03002e4 r7:00000004 r6:b6fd6e00 r5:0000000d r4:0000000d [ 107.859264] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 107.866837] Exception stack(0xc6a21fa8 to 0xc6a21ff0) [ 107.871897] 1fa0: 0000000d 0000000d 00000001 b6e8f000 0000000d 00000000 [ 107.880082] 1fc0: 0000000d 0000000d b6fd6e00 00000004 00000001 00000000 00020000 bef7ba54 [ 107.888264] 1fe0: 00000004 bef7b788 b6f414cf b6ec77e6 [ 107.893327] Code: bad PC value 06.983755] r4:c5cee000 # [ 106[ 107.896466] ---[ end trace 6367bb2e32f6e257 ]--- .988029] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.995334] r9:c582e000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:0000000d r4:0000000d # [ 107.003087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.010660] Exception stack(0xc582ffa8 to 0xc582fff0) # [ 107.015719] ffa0: 0000000d 0000000d 00000001 b6e6c000 0000000d 00000000 # [ 107.023907] ffc0: 0000000d 0000000d b6fb3e00 00000004 00000001 00000000 00020000 bee44a54 # [ 107.032092] ffe0: 00000004 bee44788 b6f1e4cf b6ea47e6 # [ 107.037155] Code: eff105a0 eff105c0 eff105e0 eff0db00 (e1a0c00d) # [ 107.043261] ---[ end trace 6367bb2e32f6e256 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 107.471667] lkdtm: Performing direct entry EXEC_VMALLOC # [ 107.477337] lkdtm: attempting ok execution at c0c302f0 # [ 107.485411] lkdtm: attempting bad execution at f096c000 # [ 107.493699] 8<--- cut here --- # [ 107.499519] Unable to handle kernel paging request at virtual address f096c000 # [ 107.509643] pgd = 1c0a7784 # [ 107.515206] [f096c000] *pgd=12949811, *pte=49ad265f, *ppte=49ad245f # [ 107.524399] Internal error: Oops: 8000000f [#6] SMP ARM # [ 107.532425] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 107.561457] CPU: 0 PID: 2015 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 107.569204] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.575742] PC is at 0xf096c000 # [ 107.578900] LR is at execute_location+0xa4/0xb4 # [ 107.583436] pc : [] lr : [] psr: 600e0013 # [ 107.589707] sp : c6a21e30 ip : c6a21d38 fp : c6a21e4c # [ 107.594936] r10: 0000000d r9 : c1acd284 r8 : c15e8784 # [ 107.600166] r7 : c6a21f60 r6 : 00000001 r5 : f096c000 r4 : c0c302f0 # [ 107.606699] r3 : 504148eb r2 : 504148eb r1 : ef7815e0 r0 : 0000002b # [ 107.613232] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 107.620373] Control: 10c5387d Table: 1580004a DAC: 00000051 # [ 107.626124] Process cat (pid: 2015, stack limit = 0x6de00734) # [ 107.631875] Stack: (0xc6a21e30 to 0xc6a22000) # [ 107.636241] 1e20: f096c000 c6e50000 0000000d c6a21f60 # [ 107.644426] 1e40: c6a21e64 c6a21e50 c0c30374 c135e65c 00000022 c6e50000 c6a21e74 c6a21e68 # [ 107.652611] 1e60: c0c2f580 c0c30358 c6a21e9c c6a21e78 c0c2fa80 c0c2f560 c0c2f960 c5b90dc0 # [ 107.660796] 1e80: b6e8f000 0000000d c5291000 c6a21f60 c6a21ec4 c6a21ea0 c07f6400 c0c2f96c # [ 107.668980] 1ea0: 00000000 c5b90dc0 b6e8f000 c2816000 c6a21f60 c07f639c c6a21f5c c6a21ec8 # [ 107.677168] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6a20000 # [ 107.685353] 1ee0: b6e8f000 00020000 00000004 0000000d 0001fff3 c6a21ee0 00000001 b6e8e000 # [ 107.693538] 1f00: c5b81cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 107.701724] 1f20: 00000000 00000000 c1373e40 504148eb c205c540 c5b90dc0 c5b90dc0 c6a20000 # [ 107.709909] 1f40: b6e8f000 00000000 00000000 00000004 c6a21f94 c6a21f60 c05992c0 c0598c2c # [ 107.718093] 1f60: 00000000 00000000 c6a21fac 504148eb 0000000d 0000000d b6fd6e00 00000004 # [ 107.726279] 1f80: c03002e4 c6a20000 c6a21fa4 c6a21f98 c0599350 c0599258 00000000 c6a21fa8 # [ 107.734464] 1fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e8f000 0000000d 00000000 # [ 107.742650] 1fc0: 0000000d 0000000d b6fd6e00 00000004 00000001 00000000 00020000 bef7ba54 # [ 107.750834] 1fe0: 00000004 bef7b788 b6f414cf b6ec77e6 800e0030 00000001 00000000 00000000 # [ 107.759013] Backtrace: # [ 107.761482] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 107.769929] r7:c6a21f60 r6:0000000d r5:c6e50000 r4:f096c000 # [ 107.775604] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.783961] r5:c6e50000 r4:00000022 # [ 107.787550] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.795567] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.803493] r9:c6a21f60 r8:c5291000 r7:0000000d r6:b6e8f000 r5:c5b90dc0 r4:c0c2f960 # [ 107.811251] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.819092] r9:c07f639c r8:c6a21f60 r7:c2816000 r6:b6e8f000 r5:c5b90dc0 r4:00000000 # [ 107.826844] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.833989] r10:0000000[ 108.332045] lkdtm: Performing direct entry EXEC_RODATA 4 r9:00000000 r8:00000000 r7:b6e8[ 108.340023] lkdtm: attempting ok execution at c0c302f0 f000 r6:c6a20000 r5:[c 5 b19008d.347924] lkdtm: attempting bad execution at c15e8a20 0 # [ 107.841822] r4:c5b90dc0 [ 108.355525] 8<--- cut here --- # [ 107.844[3 6 61]0 8[.<3c601531] Unable to handle kernel paging request at virtual address c15e8a20 9924c>] (ksy[s _ w1r0i8t.e3)7 0f462] pgd = f00b6cc3 om [] (sys_writ[e + 01x8.375078] [c15e8a20] *pgd=1141941e(bad) 18/0x1c) # [ 10[7 . 8150185.0381522] Internal error: Oops: 8000000d [#7] SMP ARM ] r9:c6a20000 r8:c03002e4 r7:000[ 108.388825] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 00004 r6:b6fd6e00 r[5 : 0100080.020529] CPU: 3 PID: 2092 Comm: cat Tainted: G D W 5.10.158-cip22 #1 00d r4[: 0 0100080.0403d0 4 3#4 ] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 107.859264] [] ([s y 108.438623] PC is at lkdtm_rodata_do_nothing+0x0/0x10 _write) from [] ([r e t08.446277] LR is at execute_location+0xa4/0xb4 _fast_s[y s c1a0l8l.+405x303/101] pc : [] lr : [] psr: 600e0013 28) # [ [ 1 0170.88.6466813272]] sp : c6cf1e38 ip : c6cf1d40 fp : c6cf1e54 Exception[ s1t0a8c.k4(608x1c86] r10: 0000000c r9 : c1acd294 r8 : c15e8784 a21fa8 to [0 x c160a82.14f7f501)46] r7 : c6cf1f60 r6 : 00000000 r5 : c15e8a20 r4 : c0c302f0 # [ 107.[8 7 1180987.]4 813f4a94] r3 : f445add2 r2 : f445add2 r1 : ef7c05e0 r0 : 0000002b : [ 1 0 8 . 4 9 10804] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000d 0000[0 0 01d0 80.0500007099] Control: 10c5387d Table: 15ef004a DAC: 00000051 01 b6e8f0[0 0 100080.05000803d6 ] Process cat (pid: 2092, stack limit = 0x190b2e60) 00000000 [# [1 0 81.0571.588848] Stack: (0xc6cf1e38 to 0xc6cf2000) 082] 1fc0: 00[0 0 010008d. 50202027] 1e20: 00000023 c5e89000 0000d b6fd6e00 [0 0 0100080.0543 114] 1e40: 0000000c c6cf1f60 c6cf1e64 c6cf1e58 c135e8dc c135e65c c6cf1e74 c6cf1e68 00000001 000000[0 0 100080.25040286] 1e60: c0c2f580 c135e8c4 c6cf1e9c c6cf1e78 c0c2fa80 c0c2f560 c0c2f960 c6b15400 00 bef7ba54 [# [1 0 81.0575.2856] 1e80: b6de6000 0000000c c5291000 c6cf1f60 c6cf1ec4 c6cf1ea0 c07f6400 c0c2f96c 88264] 1fe0: 000[0 0 010048 .b5e62542] 1ea0: 00000000 c6b15400 b6de6000 c2816000 c6cf1f60 c07f639c c6cf1f5c c6cf1ec8 7b788 b6f414cf [b 6 e1c0787.e567 800] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c44729a4 c05992c0 c6cf0000 # [ 107.8933[2 7 ]1 0C8o.d5e8:2972] 1ee0: b6de6000 00020000 00000004 0000000c 0001fff4 c6cf1ee0 00000001 00000805 bad PC value [ # 1[0 8 .150973.43] 1f00: c5b857c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 896466] ---[ end t[r a c1e0 86.3603231] 1f20: 00000000 00000000 c6cf0000 f445add2 b6de5000 c6b15400 c6b15400 c6cf0000 7bb2e32f6e257 ][- - -1 0 8#. 6E1X574] 1f40: b6de6000 00000000 00000000 00000004 c6cf1f94 c6cf1f60 c05992c0 c0598c2c EC_VMALLOC: mis[s i n1g0 8'.c6a2l746] 1f60: 00000000 00000000 c6cf1fac f445add2 0000000c 0000000c b6f2de00 00000004 l trace:': [FAI[L ] 1 0n8o.t6 3o918] 1f80: c03002e4 c6cf0000 c6cf1fa4 c6cf1f98 c0599350 c0599258 00000000 c6cf1fa8 k 33 selftests[: l1k0d8t.m6:4 4091] 1fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6de6000 0000000c 00000000 XEC_VMALLOC.sh[ # 1e0x8i.t6=514263] 1fc0: 0000000c 0000000c b6f2de00 00000004 00000001 00000000 00020000 beb82a54 # selftests:[ l k1d0t8m.:6 6E4X34] 1fe0: 00000004 beb82788 b6e984cf b6e1e7e6 800e0030 00000001 00000000 00000000 EC_RODATA.sh [ 108.674513] Backtrace: [ 108.678187] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 108.686548] r7:c6cf1f60 r6:0000000c r5:c5e89000 r4:00000023 [ 108.692226] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 108.700504] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 108.708524] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 108.716450] r9:c6cf1f60 r8:c5291000 r7:0000000c r6:b6de6000 r5:c6b15400 r4:c0c2f960 [ 108.724207] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 108.732046] r9:c07f639c r8:c6cf1f60 r7:c2816000 r6:b6de6000 r5:c6b15400 r4:00000000 [ 108.739797] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 108.746940] r10:00000004 r9:00000000 r8:00000000 r7:b6de6000 r6:c6cf0000 r5:c6b15400 [ 108.754772] r4:c6b15400 [ 108.757315] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 108.764459] r9:c6cf0000 r8:c03002e4 r7:00000004 r6:b6f2de00 r5:0000000c r4:0000000c [ 108.772216] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 108.779790] Exception stack(0xc6cf1fa8 to 0xc6cf1ff0) [ 108.784850] 1fa0: 0000000c 0000000c 00000001 b6de6000 0000000c 00000000 [ 108.793036] 1fc0: 0000000c 0000000c b6f2de00 00000004 00000001 00000000 00020000 beb82a54 [ 108.801219] 1fe0: 00000004 beb82788 b6e984cf b6e1e7e6 [ 108.806281] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 108.812385] ---[ end trace 6367bb2e32f6e258 ]--- # Segmentation fault # [ 108.332045] lkdtm: Performing direct entry EXEC_RODATA # [ 108.340023] lkdtm: attempting ok execution at c0c302f0 # [ 108.347924] lkdtm: attempting bad execution at c15e8a20 # [ 108.355525] 8<--- cut here --- # [ 108.361331] Unable to handle kernel paging request at virtual address c15e8a20 # [ 108.370462] pgd = f00b6cc3 # [ 108.375078] [c15e8a20] *pgd=1141941e(bad) # [ 108.381522] Internal error: Oops: 8000000d [#7] SMP ARM # [ 108.388825] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.420529] CPU: 3 PID: 2092 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 108.430434] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.438623] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 108.446277] LR is at execute_location+0xa4/0xb4 # [ 108.453311] pc : [] lr : [] psr: 600e0013 # [ 108.461227] sp : c6cf1e38 ip : c6cf1d40 fp : c6cf1e54 # [ 108.468186] r10: 0000000c r9 : c1acd294 r8 : c15e8784 # [ 108.475146] r7 : c6cf1f60 r6 : 00000000 r5 : c15e8a20 r4 : c0c302f0 # [ 108.483494] r3 : f445add2 r2 : f445add2 r1 : ef7c05e0 r0 : 0000002b # [ 108.491844] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 108.500799] Control: 10c5387d Table: 15ef004a DAC: 00000051 # [ 108.508366] Process cat (pid: 2092, stack limit = 0x190b2e60) # [ 108.515848] Stack: (0xc6cf1e38 to 0xc6cf2000) # [ 108.522027] 1e20: 00000023 c5e89000 # [ 108.532114] 1e40: 0000000c c6cf1f60 c6cf1e64 c6cf1e58 c135e8dc c135e65c c6cf1e74 c6cf1e68 # [ 108.542286] 1e60: c0c2f580 c135e8c4 c6cf1e9c c6cf1e78 c0c2fa80 c0c2f560 c0c2f960 c6b15400 # [ 108.552456] 1e80: b6de6000 0000000c c5291000 c6cf1f60 c6cf1ec4 c6cf1ea0 c07f6400 c0c2f96c # [ 108.562542] 1ea0: 00000000 c6b15400 b6de6000 c2816000 c6cf1f60 c07f639c c6cf1f5c c6cf1ec8 # [ 108.572800] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c44729a4 c05992c0 c6cf0000 # [ 108.582972] 1ee0: b6de6000 00020000 00000004 0000000c 0001fff4 c6cf1ee0 00000001 00000805 # [ 108.593143] 1f00: c5b857c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 108.603231] 1f20: 00000000 00000000 c6cf0000 f445add2 b6de5000 c6b15400 c6b15400 c6cf0000 # [ 108.613574] 1f40: b6de6000 00000000 00000000 00000004 c6cf1f94 c6cf1f60 c05992c0 c0598c2c # [ 108.623746] 1f60: 00000000 00000000 c6cf1fac f445add2 0000000c 0000000c b6f2de00 00000004 # [ 108.633918] 1f80: c03002e4 c6cf0000 c6cf1fa4 c6cf1f98 c0599350 c0599258 00000000 c6cf1fa8 # [ 108.644091] 1fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6de6000 0000000c 00000000 # [ 108.654263] 1fc0: 0000000c 0000000c b6f2de00 00000004 00000001 00000000 00020000 beb82a54 # [ 108.664434] 1fe0: 00000004 beb82788 b6e984cf b6e1e7e6 800e0030 00000001 00000000 00000000 # [ 108.674513] Backtrace: # [ 108.678187] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 108.686548] r7:c6cf1f60 r6:0000000c r5:c5e89000 r4:00000023 # [ 108.692226] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.700504] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.708524] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.716450] r9:c6cf1f60 r8:c5291000 r7:0000000c r6:b6de6000 r5:c6b15400 r4:c0c2f960 # [ 108.724207] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.732046] r9:c07f639c r8:c6cf1f60 r7:c2816000 r6:b6de6000 r5:c6b15400 r4:00000000 # [ 108.739797] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.746940] r10:00000004 r9:00000000 r8:00000000 r7:b6de6000 r6:c6cf0000 r5:c6b15400 # [ 108.754772] r4:c6b15400 # [ 108.757315] [] (ksys_write) from [] (sys_write+0x18/0[ 109.273425] lkdtm: Performing direct entry EXEC_USERSPACE x1c) # [ 108.764459] r9:c6cf00[ 109.280029] lkdtm: attempting ok execution at c0c302f0 00 r8:c03002e4 r7:00000004 r6:b6f[ 109.288028] lkdtm: attempting bad execution at b6f16000 2de00 r5:0000000c r4:0000000c # [ 109.296179] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f16000 [ 108.772216] [9]306072] Internal error: : b [#8] SMP ARM (sys_write) from [] (r[ 109.312594] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 et_fast_syscall+0x0[/ 0 x12089). 44298] CPU: 2 PID: 2168 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 108[. 7 7190799.03]5 4E2x0c] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) eption stack(0xc6c[f 1 f1a089 .t362473] PC is at 0xb6f16000 0xc6cf1ff0) # [ 108[. 7 180498367784] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 50] 1fa0:[ 1 0 9 . 3 7 4 9 0 ] pc : [] lr : [] psr: 600e0013 00[0 0 010009c. 3080209010] sp : c6f01e48 ip : c6f01d50 fp : c6f01e64 00c 00000001[ b 61d0e96.0380908 2] r10: 0000000f r9 : c1acd2a0 r8 : c15e8784 0000000c 0[0 0 0100090.03 9 6#9 16] r7 : c6f01f60 r6 : 0000000f r5 : c6cac000 r4 : b6f16000 108.793[0 3 61]0 91.f4c005:2 60] r3 : 954e77ca r2 : 954e77ca r1 : ef7ab5e0 r0 : 0000002b 000000c 000[0 0 0100c9 .b4163f5228] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e00 0000000[4 0100090.04020214 3] Control: 10c5387d Table: 1692c04a DAC: 00000051 00000000 000[2 0 010009 .b4e3b08051] Process cat (pid: 2168, stack limit = 0x8f401d61) a54 # [ [1 0 81.089.0413271790]] Stack: (0xc6f01e48 to 0xc6f02000) 1fe0: 00000004 beb[8 2 718089 .b43801] 1e40: 00000001 00000000 0000000f 00000024 c6f01e74 c6f01e68 6e984cf b6e1e7e6[ #1 0[9 . 4154145] 1e60: c0c2f580 c0c3038c c6f01e9c c6f01e78 c0c2fa80 c0c2f560 c0c2f960 c5b4f400 8.806281] Code: 5[f 7 2170596.34 4403] 1e80: b6dd0000 0000000f c5291000 c6f01f60 c6f01ec4 c6f01ea0 c07f6400 c0c2f96c 6e756f63 00000074 [a a 5150a9a.5474663] 1ea0: 00000000 c5b4f400 b6dd0000 c2816000 c6f01f60 c07f639c c6f01f5c c6f01ec8 (e1a0c00d) # [ [ 1 10089..8415007] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6f00000 2385] ---[ end t[r a c1e0 96.34695264] 1ee0: b6dd0000 00020000 00000004 0000000f 0001fff1 c6f01ee0 00000001 b6dcf000 bb2e32f6e258 [] - -1-0 9 .#5 0E5X21] 1f00: c5b82780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 EC_RODATA: miss[i n g1 0'9c.a5l1l607] 1f20: 00000000 00000000 c1373e40 954e77ca c205c540 c5b4f400 c5b4f400 c6f00000 trace:': [FAIL] [ n 1o0t9 .o5k25778] 1f40: b6dd0000 00000000 00000000 00000004 c6f01f94 c6f01f60 c05992c0 c0598c2c 34 selftests: lkd[t m :1 0E9X.E5C6035] 1f60: 00000000 00000000 c6f01fac 954e77ca 0000000f 0000000f b6f17e00 00000004 _RODATA.sh # [e x i1t0=91. 5 4#6 93] 1f80: c03002e4 c6f00000 c6f01fa4 c6f01f98 c0599350 c0599258 00000000 c6f01fa8 selftests: lkd[t m :1 0E9X.E5C5_6377] 1fa0: c03000c0 c0599344 0000000f 0000000f 00000001 b6dd0000 0000000f 00000000 SERSPACE.sh [ 109.566548] 1fc0: 0000000f 0000000f b6f17e00 00000004 00000001 00000000 00020000 be87ca54 [ 109.575850] 1fe0: 00000004 be87c788 b6e824cf b6e087e6 800e0030 00000001 00000000 00000000 [ 109.584029] Backtrace: [ 109.586500] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.595030] r4:00000024 [ 109.597578] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.605598] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.613523] r9:c6f01f60 r8:c5291000 r7:0000000f r6:b6dd0000 r5:c5b4f400 r4:c0c2f960 [ 109.621279] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.629117] r9:c07f639c r8:c6f01f60 r7:c2816000 r6:b6dd0000 r5:c5b4f400 r4:00000000 [ 109.636868] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.644012] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6f00000 r5:c5b4f400 [ 109.651847] r4:c5b4f400 [ 109.654392] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.661537] r9:c6f00000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000000f r4:0000000f [ 109.669294] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.676868] Exception stack(0xc6f01fa8 to 0xc6f01ff0) [ 109.681926] 1fa0: 0000000f 0000000f 00000001 b6dd0000 0000000f 00000000 [ 109.690111] 1fc0: 0000000f 0000000f b6f17e00 00000004 00000001 00000000 00020000 be87ca54 [ 109.698293] 1fe0: 00000004 be87c788 b6e824cf b6e087e6 [ 109.703358] Code: bad PC value [ 109.706423] ---[ end trace 6367bb2e32f6e259 ]--- # Segmentation fault # [ 109.273425] lkdtm: Performing direct entry EXEC_USERSPACE # [ 109.280029] lkdtm: attempting ok execution at c0c302f0 # [ 109.288028] lkdtm: attempting bad execution at b6f16000 # [ 109.296179] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f16000 # [ 109.306072] Internal error: : b [#8] SMP ARM # [ 109.312594] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 109.344298] CPU: 2 PID: 2168 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 109.354203] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.362473] PC is at 0xb6f16000 # [ 109.367784] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 109.374909] pc : [] lr : [] psr: 600e0013 # [ 109.382911] sp : c6f01e48 ip : c6f01d50 fp : c6f01e64 # [ 109.389872] r10: 0000000f r9 : c1acd2a0 r8 : c15e8784 # [ 109.396916] r7 : c6f01f60 r6 : 0000000f r5 : c6cac000 r4 : b6f16000 # [ 109.405265] r3 : 954e77ca r2 : 954e77ca r1 : ef7ab5e0 r0 : 0000002b # [ 109.413528] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.422483] Control: 10c5387d Table: 1692c04a DAC: 00000051 # [ 109.430051] Process cat (pid: 2168, stack limit = 0x8f401d61) # [ 109.437703] Stack: (0xc6f01e48 to 0xc6f02000) # [ 109.443801] 1e40: 00000001 00000000 0000000f 00000024 c6f01e74 c6f01e68 # [ 109.454145] 1e60: c0c2f580 c0c3038c c6f01e9c c6f01e78 c0c2fa80 c0c2f560 c0c2f960 c5b4f400 # [ 109.464403] 1e80: b6dd0000 0000000f c5291000 c6f01f60 c6f01ec4 c6f01ea0 c07f6400 c0c2f96c # [ 109.474663] 1ea0: 00000000 c5b4f400 b6dd0000 c2816000 c6f01f60 c07f639c c6f01f5c c6f01ec8 # [ 109.485007] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6f00000 # [ 109.495264] 1ee0: b6dd0000 00020000 00000004 0000000f 0001fff1 c6f01ee0 00000001 b6dcf000 # [ 109.505521] 1f00: c5b82780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.515607] 1f20: 00000000 00000000 c1373e40 954e77ca c205c540 c5b4f400 c5b4f400 c6f00000 # [ 109.525778] 1f40: b6dd0000 00000000 00000000 00000004 c6f01f94 c6f01f60 c05992c0 c0598c2c # [ 109.536035] 1f60: 00000000 00000000 c6f01fac 954e77ca 0000000f 0000000f b6f17e00 00000004 # [ 109.546293] 1f80: c03002e4 c6f00000 c6f01fa4 c6f01f98 c0599350 c0599258 00000000 c6f01fa8 # [ 109.556377] 1fa0: c03000c0 c0599344 0000000f 0000000f 00000001 b6dd0000 0000000f 00000000 # [ 109.566548] 1fc0: 0000000f 0000000f b6f17e00 00000004 00000001 00000000 00020000 be87ca54 # [ 109.575850] 1fe0: 00000004 be87c788 b6e824cf b6e087e6 800e0030 00000001 00000000 00000000 # [ 109.584029] Backtrace: # [ 109.586500] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.595030] r4:00000024 # [ 109.597578] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.605598] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.613523] r9:c6f01f60 r8:c5291000 r7:0000000f r6:b6dd0000 r5:c5b4f400 r4:c0c2f960 # [ 109.621279] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.629117] r9:c07f639c r8:c6f01f60 r7:c2816000 r6:b6dd0000 r5:c5b4f400 r4:00000000 # [ 109.636868] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.644012] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6f00000 r5:c5b4f400 # [ 109.651847] r4:c5b4f400 # [ 109.654392] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.661537] r9:c6f00000 r8:c03002e4 r7:00000004 r6[ 110.158688] lkdtm: Performing direct entry EXEC_NULL :b6f17e00 r5:0000000f r4[: 0 01010.164241] lkdtm: attempting ok execution at c0c302f0 000f # [ 109.669294] [] (sys_write) from [] [ 110.179947] 8<--- cut here --- (ret_fast_syscall+0x0/0x28) # [ [ 110.185840] Unable to handle kernel NULL pointer dereference at virtual address 00000000 109.676868] Exception stack(0xc6[ 110.196913] pgd = b37ef604 f01fa8 to 0xc6f01ff0) # [ 109.6[ 110.202392] [00000000] *pgd=00000000 81926] 1fa0: 00[ 110.208835] Internal error: Oops: 80000005 [#9] SMP ARM 00000f 0000000f 00000001 b6dd0000[ 110.216886] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0000000f 00000000[ #1 1[0 . 248589] CPU: 3 PID: 2239 Comm: cat Tainted: G D W 5.10.158-cip22 #1 09.690111[] 11f1c00.:2 50804090] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000f 0000000f b6f17[e 0 01 1000.066765] PC is at 0x0 00004 00000001 00000000 000[2 0 010.271475] LR is at execute_location+0xa4/0xb4 00 be87c[a 5 41 1 0#. 2[7 8 51110 pc : [<00000000>] lr : [] psr: 600e0013 9.698293] [1 f e101:0 .02080604026] sp : c6dd9e38 ip : c6dd9d40 fp : c6dd9e54 04 be87c[7 8181 0b.62e9832447c2f r10: 0000000a r9 : c1acd2b0 r8 : c15e8784 b6e087e6 [ # 1[1 0 .130090.3746] r7 : c6dd9f60 r6 : 00000000 r5 : 00000000 r4 : c0c302f0 3358] Cod[e : 1b1a0d. 3P0C8 6v9a] r3 : a4bc8f0a r2 : a4bc8f0a r1 : ef7c05e0 r0 : 0000002b lue # [ 10[9 . 7101604.2331]6 958] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none --[ end trace[ 6 316170b.3b226e001] Control: 10c5387d Table: 16cf004a DAC: 00000051 2f6e259 ]---[ #1 1E0X.E3C3_3U655] Process cat (pid: 2239, stack limit = 0xa72117d9) ERSPACE: m[i s s1i1n0g. 3'4c1a3l09] Stack: (0xc6dd9e38 to 0xc6dda000) trace:': [FAI[L ]1 1 0n.o3t4 7o89] 9e20: 00000025 c6ad5000 k 35 selftests: [l k d1t1m0:. 3E57576] 9e40: 0000000a c6dd9f60 c6dd9e64 c6dd9e58 c135e900 c135e65c c6dd9e74 c6dd9e68 EC_USERSPACE.sh #[ e x1i1t0=.13 7836] 9e60: c0c2f580 c135e8ec c6dd9e9c c6dd9e78 c0c2fa80 c0c2f560 c0c2f960 c5c66640 # selftests: [l k d1t1m0:. 3E7X8093] 9e80: b6e7c000 0000000a c5291000 c6dd9f60 c6dd9ec4 c6dd9ea0 c07f6400 c0c2f96c C_NULL.sh [ 110.388265] 9ea0: 00000000 c5c66640 b6e7c000 c2816000 c6dd9f60 c07f639c c6dd9f5c c6dd9ec8 [ 110.397395] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dd8000 [ 110.405583] 9ee0: b6e7c000 00020000 00000004 0000000a 0001fff6 c6dd9ee0 00000001 b6e7b000 [ 110.413767] 9f00: c5ceeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 110.421954] 9f20: 00000000 00000000 c1373e40 a4bc8f0a c205c540 c5c66640 c5c66640 c6dd8000 [ 110.430140] 9f40: b6e7c000 00000000 00000000 00000004 c6dd9f94 c6dd9f60 c05992c0 c0598c2c [ 110.438325] 9f60: 00000000 00000000 c6dd9fac a4bc8f0a 0000000a 0000000a b6fc3e00 00000004 [ 110.446511] 9f80: c03002e4 c6dd8000 c6dd9fa4 c6dd9f98 c0599350 c0599258 00000000 c6dd9fa8 [ 110.454696] 9fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e7c000 0000000a 00000000 [ 110.462880] 9fc0: 0000000a 0000000a b6fc3e00 00000004 00000001 00000000 00020000 bea5fa54 [ 110.471065] 9fe0: 00000004 bea5f788 b6f2e4cf b6eb47e6 800e0030 00000001 00000000 00000000 [ 110.479244] Backtrace: [ 110.481713] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 110.489899] r7:c6dd9f60 r6:0000000a r5:c6ad5000 r4:00000025 [ 110.495578] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 110.503682] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 110.511699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 110.519625] r9:c6dd9f60 r8:c5291000 r7:0000000a r6:b6e7c000 r5:c5c66640 r4:c0c2f960 [ 110.527382] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 110.535222] r9:c07f639c r8:c6dd9f60 r7:c2816000 r6:b6e7c000 r5:c5c66640 r4:00000000 [ 110.542975] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 110.550119] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6dd8000 r5:c5c66640 [ 110.557952] r4:c5c66640 [ 110.560496] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 110.567638] r9:c6dd8000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:0000000a r4:0000000a [ 110.575394] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.582967] Exception stack(0xc6dd9fa8 to 0xc6dd9ff0) [ 110.588026] 9fa0: 0000000a 0000000a 00000001 b6e7c000 0000000a 00000000 [ 110.596212] 9fc0: 0000000a 0000000a b6fc3e00 00000004 00000001 00000000 00020000 bea5fa54 [ 110.604395] 9fe0: 00000004 bea5f788 b6f2e4cf b6eb47e6 [ 110.609458] Code: bad PC value [ 110.612591] ---[ end trace 6367bb2e32f6e25a ]--- # Segmentation fault # [ 110.158688] lkdtm: Performing direct entry EXEC_NULL # [ 110.164241] lkdtm: attempting ok execution at c0c302f0 # [ 110.171900] lkdtm: attempting bad execution at 00000000 # [ 110.179947] 8<--- cut here --- # [ 110.185840] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 110.196913] pgd = b37ef604 # [ 110.202392] [00000000] *pgd=00000000 # [ 110.208835] Internal error: Oops: 80000005 [#9] SMP ARM # [ 110.216886] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 110.248589] CPU: 3 PID: 2239 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 110.258496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.266765] PC is at 0x0 # [ 110.271475] LR is at execute_location+0xa4/0xb4 # [ 110.278511] pc : [<00000000>] lr : [] psr: 600e0013 # [ 110.286426] sp : c6dd9e38 ip : c6dd9d40 fp : c6dd9e54 # [ 110.293472] r10: 0000000a r9 : c1acd2b0 r8 : c15e8784 # [ 110.300346] r7 : c6dd9f60 r6 : 00000000 r5 : 00000000 r4 : c0c302f0 # [ 110.308694] r3 : a4bc8f0a r2 : a4bc8f0a r1 : ef7c05e0 r0 : 0000002b # [ 110.316958] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.326001] Control: 10c5387d Table: 16cf004a DAC: 00000051 # [ 110.333655] Process cat (pid: 2239, stack limit = 0xa72117d9) # [ 110.341309] Stack: (0xc6dd9e38 to 0xc6dda000) # [ 110.347489] 9e20: 00000025 c6ad5000 # [ 110.357576] 9e40: 0000000a c6dd9f60 c6dd9e64 c6dd9e58 c135e900 c135e65c c6dd9e74 c6dd9e68 # [ 110.367836] 9e60: c0c2f580 c135e8ec c6dd9e9c c6dd9e78 c0c2fa80 c0c2f560 c0c2f960 c5c66640 # [ 110.378093] 9e80: b6e7c000 0000000a c5291000 c6dd9f60 c6dd9ec4 c6dd9ea0 c07f6400 c0c2f96c # [ 110.388265] 9ea0: 00000000 c5c66640 b6e7c000 c2816000 c6dd9f60 c07f639c c6dd9f5c c6dd9ec8 # [ 110.397395] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dd8000 # [ 110.405583] 9ee0: b6e7c000 00020000 00000004 0000000a 0001fff6 c6dd9ee0 00000001 b6e7b000 # [ 110.413767] 9f00: c5ceeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.421954] 9f20: 00000000 00000000 c1373e40 a4bc8f0a c205c540 c5c66640 c5c66640 c6dd8000 # [ 110.430140] 9f40: b6e7c000 00000000 00000000 00000004 c6dd9f94 c6dd9f60 c05992c0 c0598c2c # [ 110.438325] 9f60: 00000000 00000000 c6dd9fac a4bc8f0a 0000000a 0000000a b6fc3e00 00000004 # [ 110.446511] 9f80: c03002e4 c6dd8000 c6dd9fa4 c6dd9f98 c0599350 c0599258 00000000 c6dd9fa8 # [ 110.454696] 9fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e7c000 0000000a 00000000 # [ 110.462880] 9fc0: 0000000a 0000000a b6fc3e00 00000004 00000001 00000000 00020000 bea5fa54 # [ 110.471065] 9fe0: 00000004 bea5f788 b6f2e4cf b6eb47e6 800e0030 00000001 00000000 00000000 # [ 110.479244] Backtrace: # [ 110.481713] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 110.489899] r7:c6dd9f60 r6:0000000a r5:c6ad5000 r4:00000025 # [ 110.495578] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.503682] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.511699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.519625] r9:c6dd9f60 r8:c5291000 r7:0000000a r6:b6e7c000 r5:c5c66640 r4:c0c2f960 # [ 110.527382] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 110.535222] r9:c07f639c r8:c6dd9f60 r7:c2816000 r6:b6e7c000 r5:c5c66640 r4:00000000 # [ 110.542975] [] (vfs_write) from[ 111.080307] lkdtm: Performing direct entry ACCESS_USERSPACE [] (ksys_write+0x74/0x[ 111.086153] lkdtm: attempting bad read at b6f1c000 ec) # [ 110.550119] r10:000000[ 111.094005] 8<--- cut here --- 04 r9:00000000 r8:00[0 0 0101010.099697] Unhandled fault: page domain fault (0x01b) at 0xb6f1c000 r7:b6e7c000 r6:c6dd8[0 0 01 1r15.108305] pgd = b6150edc c5c66640 # [ 110.557952] r[4 :111.113264] [b6f1c000] *pgd=49508831 c5c66640 # [ 110.560496[] [111.119445] Internal error: : 1b [#10] SMP ARM c059924c>] (ksys_write) from [] (sys_write+0x18/0x1c[) 111.158012] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 110.567638[] 1r191:.c1668348] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) d8000 r8:c03002e4 r7:00000004 r6[ 111.176965] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c b6fc3e00 r5:0000000a r4:0000000a [ 111.184966] LR is at __irq_work_queue_local+0x40/0x74 # [ 110.575394] [[ < c101519.9192865] pc : [] lr : [] psr: 600e0013 38>] (sys_write) [f r o1m1 1[.<2c1298] sp : c6dc9e38 ip : c6dc9d40 fp : c6dc9e64 03000c0>] (ret_f[a s1t1_1s.y2s0c601] r10: 00000011 r9 : c1acd2bc r8 : c15e8784 all+0x0/0x28) #[ [ 1 1111.02.15818] r7 : c6dc9f60 r6 : 00000051 r5 : c6dc8000 r4 : b6f1c000 82967] Exception[ s t1a1c1k.(2024425] r3 : f9f4158e r2 : f9f4158e r1 : ef7965e0 r0 : 00000026 c6dd9fa8 to 0xc6dd9f[f 0 )1 1 1#.233034] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 110.588026] 9[f a 01:1 1 . 2 42421] Control: 10c5387d Table: 16f5c04a DAC: 00000051 000[0 0 0101a1 .0200246] Process cat (pid: 2315, stack limit = 0x825bd663) 00000a 00000001 b6e[7 c 010101 .058072] Stack: (0xc6dc9e38 to 0xc6dca000) 000000a 00000000 # [ [1 1 01.15.264596] 9e20: 00000022 00000000 96212] 9fc0: 0000000a 000[0 0 0101.275115] 9e40: 00000000 f9f4158e c6dc9e6c 00000026 c5fc2000 00000011 c6dc9e74 c6dc9e68 a b6fc3e00 00000004 0000[0 0 01111.285717] 9e60: c0c2f580 c0c30460 c6dc9e9c c6dc9e78 c0c2fa80 c0c2f560 c0c2f960 c5b82280 00000000 00020000 bea5f[a 5 41 1 .296319] 9e80: b6dd6000 00000011 c5291000 c6dc9f60 c6dc9ec4 c6dc9ea0 c07f6400 c0c2f96c # [ 110.604395] 9fe0: 00[0 0 0101.306835] 9ea0: 00000000 c5b82280 b6dd6000 c2816000 c6dc9f60 c07f639c c6dc9f5c c6dc9ec8 04 bea5f788 b6f2e4cf b6e[b 4 71e11.317439] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dc8000 # [ 110.609458] Code[: b1a1d.328041] 9ee0: b6dd6000 00020000 00000004 00000011 0001ffef c6dc9ee0 00000001 b6dd5000 PC value # [ 110.6[1 2 511911.338556] 9f00: c5b4f540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ---[ end trace 6367bb2e32[f 6 e111.348989] 9f20: 00000000 00000000 c1373e40 f9f4158e c205c540 c5b82280 c5b82280 c6dc8000 5a ]--- # EXEC_NULL: m[i s s1i1n.359677] 9f40: b6dd6000 00000000 00000000 00000004 c6dc9f94 c6dc9f60 c05992c0 c0598c2c g 'call trace:': [FAIL[] 1n1o1.370192] 9f60: 00000000 00000000 c6dc9fac f9f4158e 00000011 00000011 b6f1de00 00000004 ok 36 selftests: lkdt[m : 1E1X1.380709] 9f80: c03002e4 c6dc8000 c6dc9fa4 c6dc9f98 c0599350 c0599258 00000000 c6dc9fa8 C_NULL.sh # exit=1 # s[e l f1t1e.391226] 9fa0: c03000c0 c0599344 00000011 00000011 00000001 b6dd6000 00000011 00000000 sts: lkdtm: ACCESS_USE[R S P1A1C1.401742] 9fc0: 00000011 00000011 b6f1de00 00000004 00000001 00000000 00020000 bed35a54 .sh [ 111.412257] 9fe0: 00000004 bed35788 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000 [ 111.420858] Backtrace: [ 111.423334] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.432045] r6:00000011 r5:c5fc2000 r4:00000026 [ 111.436681] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.444703] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.452632] r9:c6dc9f60 r8:c5291000 r7:00000011 r6:b6dd6000 r5:c5b82280 r4:c0c2f960 [ 111.460393] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.468235] r9:c07f639c r8:c6dc9f60 r7:c2816000 r6:b6dd6000 r5:c5b82280 r4:00000000 [ 111.475990] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.483138] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c6dc8000 r5:c5b82280 [ 111.490973] r4:c5b82280 [ 111.493520] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.500668] r9:c6dc8000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:00000011 r4:00000011 [ 111.508428] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.516004] Exception stack(0xc6dc9fa8 to 0xc6dc9ff0) [ 111.521067] 9fa0: 00000011 00000011 00000001 b6dd6000 00000011 00000000 [ 111.529259] 9fc0: 00000011 00000011 b6f1de00 00000004 00000001 00000000 00020000 bed35a54 [ 111.537445] 9fe0: 00000004 bed35788 b6e884cf b6e0e7e6 [ 111.542509] Code: e1a01004 e30e01e0 e34c01ac eb1c8d29 (e5943000) [ 111.548619] ---[ end trace 6367bb2e32f6e25b ]--- # Segmentation fault # [ 111.080307] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 111.086153] lkdtm: attempting bad read at b6f1c000 # [ 111.094005] 8<--- cut here --- # [ 111.099697] Unhandled fault: page domain fault (0x01b) at 0xb6f1c000 # [ 111.108305] pgd = b6150edc # [ 111.113264] [b6f1c000] *pgd=49508831 # [ 111.119445] Internal error: : 1b [#10] SMP ARM # [ 111.126311] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 111.158012] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 111.168348] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.176965] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 111.184966] LR is at __irq_work_queue_local+0x40/0x74 # [ 111.192865] pc : [] lr : [] psr: 600e0013 # [ 111.201298] sp : c6dc9e38 ip : c6dc9d40 fp : c6dc9e64 # [ 111.208601] r10: 00000011 r9 : c1acd2bc r8 : c15e8784 # [ 111.215818] r7 : c6dc9f60 r6 : 00000051 r5 : c6dc8000 r4 : b6f1c000 # [ 111.224425] r3 : f9f4158e r2 : f9f4158e r1 : ef7965e0 r0 : 00000026 # [ 111.233034] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.242421] Control: 10c5387d Table: 16f5c04a DAC: 00000051 # [ 111.250246] Process cat (pid: 2315, stack limit = 0x825bd663) # [ 111.258072] Stack: (0xc6dc9e38 to 0xc6dca000) # [ 111.264596] 9e20: 00000022 00000000 # [ 111.275115] 9e40: 00000000 f9f4158e c6dc9e6c 00000026 c5fc2000 00000011 c6dc9e74 c6dc9e68 # [ 111.285717] 9e60: c0c2f580 c0c30460 c6dc9e9c c6dc9e78 c0c2fa80 c0c2f560 c0c2f960 c5b82280 # [ 111.296319] 9e80: b6dd6000 00000011 c5291000 c6dc9f60 c6dc9ec4 c6dc9ea0 c07f6400 c0c2f96c # [ 111.306835] 9ea0: 00000000 c5b82280 b6dd6000 c2816000 c6dc9f60 c07f639c c6dc9f5c c6dc9ec8 # [ 111.317439] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dc8000 # [ 111.328041] 9ee0: b6dd6000 00020000 00000004 00000011 0001ffef c6dc9ee0 00000001 b6dd5000 # [ 111.338556] 9f00: c5b4f540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.348989] 9f20: 00000000 00000000 c1373e40 f9f4158e c205c540 c5b82280 c5b82280 c6dc8000 # [ 111.359677] 9f40: b6dd6000 00000000 00000000 00000004 c6dc9f94 c6dc9f60 c05992c0 c0598c2c # [ 111.370192] 9f60: 00000000 00000000 c6dc9fac f9f4158e 00000011 00000011 b6f1de00 00000004 # [ 111.380709] 9f80: c03002e4 c6dc8000 c6dc9fa4 c6dc9f98 c0599350 c0599258 00000000 c6dc9fa8 # [ 111.391226] 9fa0: c03000c0 c0599344 00000011 00000011 00000001 b6dd6000 00000011 00000000 # [ 111.401742] 9fc0: 00000011 00000011 b6f1de00 00000004 00000001 00000000 00020000 bed35a54 # [ 111.412257] 9fe0: 00000004 bed35788 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000 # [ 111.420858] Backtrace: # [ 111.423334] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.432045] r6:00000011 r5:c5fc2000 r4:00000026 # [ 111.436681] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.444703] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.452632] r9:c6dc9f60 r8:c5291000 r7:00000011 r6:b6dd6000 r5:c5b82280 r4:c0c2f960 # [ 111.460393] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.468235] r9:c07f639c r8:c6dc9f60 r7:c2816000 r6:b6dd6000 r5:c5b82280 r4:00000000 # [ 111.475990] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.483138] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c6dc8000 r5:c5b82280 # [ 111.490973] r4:c5b82280 # [ 111.493520] [] (ksys_write) from [] (s[ 111.980681] lkdtm: Performing direct entry ACCESS_NULL ys_write+0x18/0x1c[) 1#11 .[9 8144] lkdtm: attempting bad read at 00000000 111.500668] r9:c6dc8000 r8:c030[ 111.995118] 8<--- cut here --- 02e4 r7:00000004 r6:b6f1de00 r5:0[ 112.000994] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000011 r4:00000011 # [ 111.508[ 112.011944] pgd = 9913efa6 428] [] (sys_write) fro[ 112.017467] [00000000] *pgd=00000000 m [] (ret_fast_syscall+[ 112.023973] Internal error: Oops: 5 [#11] SMP ARM 0x0/0x28) # [ 111.516004] Excep[ 112.031477] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 tion stack(0xc6dc9f[a 8 1t12o. 063182] CPU: 2 PID: 2390 Comm: cat Tainted: G D W 5.10.158-cip22 #1 xc6dc9ff0[) 1#1 2[. 0 7131018.] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 521067] 9fa0: [ 112.081365] PC is at lkdtm_ACCESS_NULL+0x28/0x68 00000011 00000011 000000[0 1 1b12.088670] LR is at __irq_work_queue_local+0x40/0x74 dd6000 0000[ 0 011112 .00090601041] pc : [] lr : [] psr: 600e0013 00 # [ [1 1 11.1522.91205492]2 ] sp : c6dafe50 ip : c6dafd58 fp : c6dafe64 9fc0: 00000[0 1 11 1020.0101010119] r10: 0000000c r9 : c1acd2d0 r8 : c15e8784 1 b6f1de00[ 0101020.01010842 30] r7 : c6daff60 r6 : 0000000c r5 : c6cac000 r4 : 00000000 0000001 00[0 0 0101020. 1020604297] r3 : 622707e4 r2 : 622707e4 r1 : ef7ab5e0 r0 : 00000026 000 bed35a54[ #1 1[2 . 113141847] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 537445] 9fe[0 : 101020.0104030840] Control: 10c5387d Table: 16f5804a DAC: 00000051 bed35788 b[6 e 818142c.f15 1b4657] Process cat (pid: 2390, stack limit = 0xe45fe4ce) 0e7e6 [# [1 1 21.1115.95042235 Stack: (0xc6dafe50 to 0xc6db0000) 09] Code: e1a0100[4 e13102e.0115034] fe40: 00000027 c6cac000 c6dafe74 c6dafe68 e0 e34c01ac eb1[c 8 d12192 .(1e75292] fe60: c0c2f580 c135e910 c6dafe9c c6dafe78 c0c2fa80 c0c2f560 c0c2f960 c5cefa40 943000) # [ 1[1 1 .151428.6181463] fe80: b6e15000 0000000c c5291000 c6daff60 c6dafec4 c6dafea0 c07f6400 c0c2f96c 9] ---[ end trac[e 6131627.b1b95635] fea0: 00000000 c5cefa40 b6e15000 c2816000 c6daff60 c07f639c c6daff5c c6dafec8 e32f6e25b ]--- [# A1C1C2E.S2S05893] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dae000 USERSPACE: miss[i n g1 1'2c.a2l1l151] fee0: b6e15000 00020000 00000004 0000000c 0001fff4 c6dafee0 00000001 b6e14000 trace:': [FAI[L ] 1 1n2o.t2 2o6322] ff00: c5b80640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 37 selftests: lk[d t m1:1 2A.C2C6495] ff20: 00000000 00000000 c1373e40 622707e4 c205c540 c5cefa40 c5cefa40 c6dae000 ESS_USERSPACE.[s h 1#1 2e.x2i4t6753] ff40: b6e15000 00000000 00000000 00000004 c6daff94 c6daff60 c05992c0 c0598c2c 1 # selftests:[ l k1d1t2m.:2 5A924] ff60: 00000000 00000000 c6daffac 622707e4 0000000c 0000000c b6f5ce00 00000004 CCESS_NULL.sh [ 112.267095] ff80: c03002e4 c6dae000 c6daffa4 c6daff98 c0599350 c0599258 00000000 c6daffa8 [ 112.276572] ffa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 [ 112.284758] ffc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bef65a54 [ 112.292942] ffe0: 00000004 bef65788 b6ec74cf b6e4d7e6 800e0030 00000001 00000000 00000000 [ 112.301121] Backtrace: [ 112.303594] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.311865] r5:c6cac000 r4:00000027 [ 112.315454] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.323474] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.331401] r9:c6daff60 r8:c5291000 r7:0000000c r6:b6e15000 r5:c5cefa40 r4:c0c2f960 [ 112.339157] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.346996] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6e15000 r5:c5cefa40 r4:00000000 [ 112.354748] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.361892] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c6dae000 r5:c5cefa40 [ 112.369726] r4:c5cefa40 [ 112.372269] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.379413] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:0000000c r4:0000000c [ 112.387168] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.394743] Exception stack(0xc6daffa8 to 0xc6dafff0) [ 112.399804] ffa0: 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 [ 112.407989] ffc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bef65a54 [ 112.416174] ffe0: 00000004 bef65788 b6ec74cf b6e4d7e6 [ 112.421236] Code: e30e01e0 e34c01ac e1a01004 ebffd438 (e5945000) [ 112.427404] ---[ end trace 6367bb2e32f6e25c ]--- # Segmentation fault # [ 111.980681] lkdtm: Performing direct entry ACCESS_NULL # [ 111.988144] lkdtm: attempting bad read at 00000000 # [ 111.995118] 8<--- cut here --- # [ 112.000994] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 112.011944] pgd = 9913efa6 # [ 112.017467] [00000000] *pgd=00000000 # [ 112.023973] Internal error: Oops: 5 [#11] SMP ARM # [ 112.031477] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 112.063182] CPU: 2 PID: 2390 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 112.073088] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.081365] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 112.088670] LR is at __irq_work_queue_local+0x40/0x74 # [ 112.096141] pc : [] lr : [] psr: 600e0013 # [ 112.104228] sp : c6dafe50 ip : c6dafd58 fp : c6dafe64 # [ 112.111189] r10: 0000000c r9 : c1acd2d0 r8 : c15e8784 # [ 112.118235] r7 : c6daff60 r6 : 0000000c r5 : c6cac000 r4 : 00000000 # [ 112.126497] r3 : 622707e4 r2 : 622707e4 r1 : ef7ab5e0 r0 : 00000026 # [ 112.134847] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.143890] Control: 10c5387d Table: 16f5804a DAC: 00000051 # [ 112.151457] Process cat (pid: 2390, stack limit = 0xe45fe4ce) # [ 112.159023] Stack: (0xc6dafe50 to 0xc6db0000) # [ 112.165034] fe40: 00000027 c6cac000 c6dafe74 c6dafe68 # [ 112.175292] fe60: c0c2f580 c135e910 c6dafe9c c6dafe78 c0c2fa80 c0c2f560 c0c2f960 c5cefa40 # [ 112.185463] fe80: b6e15000 0000000c c5291000 c6daff60 c6dafec4 c6dafea0 c07f6400 c0c2f96c # [ 112.195635] fea0: 00000000 c5cefa40 b6e15000 c2816000 c6daff60 c07f639c c6daff5c c6dafec8 # [ 112.205893] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c6dae000 # [ 112.216151] fee0: b6e15000 00020000 00000004 0000000c 0001fff4 c6dafee0 00000001 b6e14000 # [ 112.226322] ff00: c5b80640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.236495] ff20: 00000000 00000000 c1373e40 622707e4 c205c540 c5cefa40 c5cefa40 c6dae000 # [ 112.246753] ff40: b6e15000 00000000 00000000 00000004 c6daff94 c6daff60 c05992c0 c0598c2c # [ 112.256924] ff60: 00000000 00000000 c6daffac 622707e4 0000000c 0000000c b6f5ce00 00000004 # [ 112.267095] ff80: c03002e4 c6dae000 c6daffa4 c6daff98 c0599350 c0599258 00000000 c6daffa8 # [ 112.276572] ffa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 # [ 112.284758] ffc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bef65a54 # [ 112.292942] ffe0: 00000004 bef65788 b6ec74cf b6e4d7e6 800e0030 00000001 00000000 00000000 # [ 112.301121] Backtrace: # [ 112.303594] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.311865] r5:c6cac000 r4:00000027 # [ 112.315454] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.323474] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.331401] r9:c6daff60 r8:c5291000 r7:0000000c r6:b6e15000 r5:c5cefa40 r4:c0c2f960 # [ 112.339157] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.346996] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6e15000 r5:c5cefa40 r4:00000000 # [ 112.354748] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 112.361892] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c6dae000 r5:c5cefa40 # [ 112.369726] r4:c5cefa40 # [ 112.3[ 112.849320] lkdtm: Performing direct entry WRITE_RO 72269] [] (ksys_write) [ 112.854465] lkdtm: attempting bad rodata write at c15e8a1c from [] (sys_write+0x18[ 112.862896] 8<--- cut here --- [ 112.868761] Unable to handle kernel paging request at virtual address c15e8a1c [ 112.875991] pgd = 938b0011 [ 112.878705] [c15e8a1c] *pgd=1141941e(bad) [ 112.882738] Internal error: Oops: 80d [#12] SMP ARM [ 112.887623] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 112.916658] CPU: 0 PID: 2464 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 112.924407] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 112.930954] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 112.935327] LR is at __irq_work_queue_local+0x40/0x74 [ 112.940384] pc : [] lr : [] psr: 600e0013 [ 112.946655] sp : c582fe50 ip : c582fd58 fp : c582fe64 [ 112.951885] r10: 00000009 r9 : c1acd2dc r8 : c15e8784 [ 112.957115] r7 : c582ff60 r6 : 00000009 r5 : c6de3000 r4 : c15e8a1c [ 112.963647] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ace0e0 [ 112.970181] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 112.977322] Control: 10c5387d Table: 16ab004a DAC: 00000051 [ 112.983073] Process cat (pid: 2464, stack limit = 0x4599968c) [ 112.988825] Stack: (0xc582fe50 to 0xc5830000) [ 112.993190] fe40: 00000028 c6de3000 c582fe74 c582fe68 [ 113.001376] fe60: c0c2f580 c135e710 c582fe9c c582fe78 c0c2fa80 c0c2f560 c0c2f960 c5c67e00 [ 113.009561] fe80: b6dce000 00000009 c5291000 c582ff60 c582fec4 c582fea0 c07f6400 c0c2f96c [ 113.017747] fea0: 00000000 c5c67e00 b6dce000 c2816000 c582ff60 c07f639c c582ff5c c582fec8 [ 113.025933] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c582e000 [ 113.034118] fee0: b6dce000 00020000 00000004 00000009 0001fff7 c582fee0 00000001 b6dcd000 [ 113.042302] ff00: c5b82b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 113.050488] ff20: 00000000 00000000 c1373e40 bad9d91c c205c540 c5c67e00 c5c67e00 c582e000 [ 113.058673] ff40: b6dce000 00000000 00000000 00000004 c582ff94 c582ff60 c05992c0 c0598c2c [ 113.066860] ff60: 00000000 00000000 c582ffac bad9d91c 00000009 00000009 b6f15e00 00000004 [ 113.075045] ff80: c03002e4 c582e000 c582ffa4 c582ff98 c0599350 c0599258 00000000 c582ffa8 [ 113.083231] ffa0: c03000c0 c0599344 00000009 00000009 00000001 b6dce000 00000009 00000000 [ 113.091417] ffc0: 00000009 00000009 b6f15e00 00000004 00000001 00000000 00020000 beb39a54 [ 113.099603] ffe0: 00000004 beb39788 b6e804cf b6e067e6 800e0030 00000001 00000000 00000000 [ 113.107781] Backtrace: [ 113.110255] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.118267] r5:c6de3000 r4:00000028 [ 113.121855] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.129873] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.137800] r9:c582ff60 r8:c5291000 r7:00000009 r6:b6dce000 r5:c5c67e00 r4:c0c2f960 [ 113.145556] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.153394] r9:c07f639c r8:c582ff60 r7:c2816000 r6:b6dce000 r5:c5c67e00 r4:00000000 [ 113.161147] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.168290] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c582e000 r5:c5c67e00 [ 113.176124] r4:c5c67e00 [ 113.178666] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.185809] r9:c582e000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000009 r4:00000009 [ 113.193564] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.201137] Exception stack(0xc582ffa8 to 0xc582fff0) [ 113.206196] ffa0: 00000009 00000009 00000001 b6dce000 00000009 00000000 [ 113.214381] ffc0: 00000009 00000009 b6f15e00 00000004 00000001 00000000 00020000 beb39a54 [ 113.222565] ffe0: 00000004 beb39788 b6e804cf b6e067e6 [ 113.227626] Code: e34a3bcd e30e00e0 e34c01ac e0233002 (e5843000) [ 113.233729] ---[ end trace 6367bb2e32f6e25d ]--- /0x1c) # [ 112.379413] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:0000000c r4:0000000c # [ 112.387168] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 112.394743] Exception stack(0xc6daffa8 to 0xc6dafff0) # [ 112.399804] ffa0: 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 # [ 112.407989] ffc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bef65a54 # [ 112.416174] ffe0: 00000004 bef65788 b6ec74cf b6e4d7e6 # [ 112.421236] Code: e30e01e0 e34c01ac e1a01004 ebffd438 (e5945000) # [ 112.427404] ---[ end trace 6367bb2e32f6e25c ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 112.849320] lkdtm: Performing direct entry WRITE_RO # [ 112.854465] lkdtm: attempting bad rodata write at c15e8a1c # [ 112.862896] 8<--- cut here --- # [ 112.868761] Unable to handle kernel paging request at virtual address c15e8a1c # [ 112.875991] pgd = 938b0011 # [ 112.878705] [c15e8a1c] *pgd=1141941e(bad) # [ 112.882738] Internal error: Oops: 80d [#12] SMP ARM # [ 112.887623] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 112.916658] CPU: 0 PID: 2464 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 112.924407] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.930954] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 112.935327] LR is at __irq_work_queue_local+0x40/0x74 # [ 112.940384] pc : [] lr : [] psr: 600e0013 # [ 112.946655] sp : c582fe50 ip : c582fd58 fp : c582fe64 # [ 112.951885] r10: 00000009 r9 : c1acd2dc r8 : c15e8784 # [ 112.957115] r7 : c582ff60 r6 : 00000009 r5 : c6de3000 r4 : c15e8a1c # [ 112.963647] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ace0e0 # [ 112.970181] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.977322] Control: 10c5387d Table: 16ab004a DAC: 00000051 # [ 112.983073] Process cat (pid: 2464, stack limit = 0x4599968c) # [ 112.988825] Stack: (0xc582fe50 to 0xc5830000) # [ 112.993190] fe40: 00000028 c6de3000 c582fe74 c582fe68 # [ 113.001376] fe60: c0c2f580 c135e710 c582fe9c c582fe78 c0c2fa80 c0c2f560 c0c2f960 c5c67e00 # [ 113.009561] fe80: b6dce000 00000009 c5291000 c582ff60 c582fec4 c582fea0 c07f6400 c0c2f96c # [ 113.017747] fea0: 00000000 c5c67e00 b6dce000 c2816000 c582ff60 c07f639c c582ff5c c582fec8 # [ 113.025933] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c582e000 # [ 113.034118] fee0: b6dce000 00020000 00000004 00000009 0001fff7 c582fee0 00000001 b6dcd000 # [ 113.042302] ff00: c5b82b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.050488] ff20: 00000000 00000000 c1373e40 bad9d91c c205c540 c5c67e00 c5c67e00 c582e000 # [ 113.058673] ff40: b6dce000 00000000 00000000 00000004 c582ff94 c582ff60 c05992c0 c0598c2c # [ 113.066860] ff60: 00000000 00000000 c582ffac bad9d91c 00000009 00000009 b6f15e00 00000004 # [ 113.075045] ff80: c03002e4 c582e000 c582ffa4 c582ff98 c0599350 c0599258 00000000 c582ffa8 # [ 113.083231] ffa0: c03000c0 c0599344 00000009 00000009 00000001 b6dce000 00000009 00000000 # [ 113.091417] ffc0: 00000009 00000009 b6f15e00 00000004 00000001 00000000 00020000 beb39a54 # [ 113.099603] ffe0: 00000004 beb39788 b6e804cf b6e067e6 800e0030 00000001 00000000 00000000 # [ 113.107781] Backtrace: # [ 113.110255] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.118267] r5:c6de3000 r4:00000028 # [ 113.121855] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.129873] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.137800] r9:c582ff60 r8:c5291000 r7:00000009 r6:b6dce000 r5:c5c67e00 r4:c0c2f960 # [ 113.145556] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.153394] r9:c07f639c r8:c582ff60 r7:c2816000 r6:b6dce000 r5:c5c67e00 r4:00000000 # [ 113.161147] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.168290] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c582e000 r5:c5c67e00 # [ 113.176124] r4:c5c67e00 # [ 113.178666] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 113.185809] r9:c582e000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000009 r4:00000009 # [ 113.193564] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 113.201137] Exception stack(0xc582ffa8 to 0xc582fff0) # [ 113.206196] ffa0: 00000009 00000009 00000001 b6dce000 00000009 00000000 # [ 113.214381] ffc0: 00000009 00000009 b6f15e00 00000004 00000001 00000000 00020000 beb39a54 # [ 113.222565] ffe0: 00000004 beb39788 b6e804cf b6e067e6 # [ 113.227626][ 113.720830] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT Code: e34a3bcd e30e00e0[ e 31413.727552] lkdtm: attempting bad ro_after_init write at c1b7ec60 01ac e0233002 (e5843000) # [ 1[ 113.736151] 8<--- cut here --- 13.233729] ---[ end trace 636[7 b113.742002] Unable to handle kernel paging request at virtual address c1b7ec60 b2e32f6e25d ]--- # WRITE_R[O : 13.751832] pgd = 08577ba3 missing 'call trace:': [FAIL] no[ 113.757056] [c1b7ec60] *pgd=11a1941e(bad) t ok 39 selftests: lkdtm[: W1R13.763945] Internal error: Oops: 80d [#13] SMP ARM TE_RO.sh # exit=1 # selftests: l[ 113.771257] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 kdtm: WRITE_RO_AFTER_INIT.sh [ 113.802976] CPU: 2 PID: 2538 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 113.813318] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 113.819896] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 113.825252] LR is at __irq_work_queue_local+0x40/0x74 [ 113.830328] pc : [] lr : [] psr: 600e0013 [ 113.836616] sp : c69e3e50 ip : c69e3d58 fp : c69e3e64 [ 113.841863] r10: 00000014 r9 : c1acd2e8 r8 : c15e8784 [ 113.847111] r7 : c69e3f60 r6 : 00000014 r5 : c6cdb000 r4 : c1b7ec60 [ 113.853661] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1ace0e0 [ 113.860213] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 113.867373] Control: 10c5387d Table: 16ee404a DAC: 00000051 [ 113.873144] Process cat (pid: 2538, stack limit = 0x4e161929) [ 113.878916] Stack: (0xc69e3e50 to 0xc69e4000) [ 113.883303] 3e40: 00000029 c6cdb000 c69e3e74 c69e3e68 [ 113.891514] 3e60: c0c2f580 c135e760 c69e3e9c c69e3e78 c0c2fa80 c0c2f560 c0c2f960 c5b81b80 [ 113.899723] 3e80: b6e5e000 00000014 c5291000 c69e3f60 c69e3ec4 c69e3ea0 c07f6400 c0c2f96c [ 113.907932] 3ea0: 00000000 c5b81b80 b6e5e000 c2816000 c69e3f60 c07f639c c69e3f5c c69e3ec8 [ 113.916144] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c69e2000 [ 113.924352] 3ee0: b6e5e000 00020000 00000004 00000014 0001ffec c69e3ee0 00000001 b6e5d000 [ 113.932560] 3f00: c5c66c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 113.940767] 3f20: 00000000 00000000 c1373e40 d8defbf3 c205c540 c5b81b80 c5b81b80 c69e2000 [ 113.948975] 3f40: b6e5e000 00000000 00000000 00000004 c69e3f94 c69e3f60 c05992c0 c0598c2c [ 113.957182] 3f60: 00000000 00000000 c69e3fac d8defbf3 00000014 00000014 b6fa5e00 00000004 [ 113.965390] 3f80: c03002e4 c69e2000 c69e3fa4 c69e3f98 c0599350 c0599258 00000000 c69e3fa8 [ 113.973599] 3fa0: c03000c0 c0599344 00000014 00000014 00000001 b6e5e000 00000014 00000000 [ 113.981807] 3fc0: 00000014 00000014 b6fa5e00 00000004 00000001 00000000 00020000 bea73a54 [ 113.990015] 3fe0: 00000004 bea73788 b6f104cf b6e967e6 800e0030 00000001 00000000 00000000 [ 113.998208] Backtrace: [ 114.000727] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.009713] r5:c6cdb000 r4:00000029 [ 114.013331] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.021377] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.029325] r9:c69e3f60 r8:c5291000 r7:00000014 r6:b6e5e000 r5:c5b81b80 r4:c0c2f960 [ 114.037111] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.044973] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6e5e000 r5:c5b81b80 r4:00000000 [ 114.052750] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.059916] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c69e2000 r5:c5b81b80 [ 114.067766] r4:c5b81b80 [ 114.070336] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.077504] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:00000014 r4:00000014 [ 114.085283] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.092874] Exception stack(0xc69e3fa8 to 0xc69e3ff0) [ 114.097955] 3fa0: 00000014 00000014 00000001 b6e5e000 00000014 00000000 [ 114.106163] 3fc0: 00000014 00000014 b6fa5e00 00000004 00000001 00000000 00020000 bea73a54 [ 114.114365] 3fe0: 00000004 bea73788 b6f104cf b6e967e6 [ 114.119450] Code: e34a3bcd e30e00e0 e34c01ac e0233002 (e5843000) [ 114.125577] ---[ end trace 6367bb2e32f6e25e ]--- # Segmentation fault # [ 113.720830] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 113.727552] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 113.736151] 8<--- cut here --- # [ 113.742002] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 113.751832] pgd = 08577ba3 # [ 113.757056] [c1b7ec60] *pgd=11a1941e(bad) # [ 113.763945] Internal error: Oops: 80d [#13] SMP ARM # [ 113.771257] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 113.802976] CPU: 2 PID: 2538 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 113.813318] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.819896] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 113.825252] LR is at __irq_work_queue_local+0x40/0x74 # [ 113.830328] pc : [] lr : [] psr: 600e0013 # [ 113.836616] sp : c69e3e50 ip : c69e3d58 fp : c69e3e64 # [ 113.841863] r10: 00000014 r9 : c1acd2e8 r8 : c15e8784 # [ 113.847111] r7 : c69e3f60 r6 : 00000014 r5 : c6cdb000 r4 : c1b7ec60 # [ 113.853661] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1ace0e0 # [ 113.860213] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.867373] Control: 10c5387d Table: 16ee404a DAC: 00000051 # [ 113.873144] Process cat (pid: 2538, stack limit = 0x4e161929) # [ 113.878916] Stack: (0xc69e3e50 to 0xc69e4000) # [ 113.883303] 3e40: 00000029 c6cdb000 c69e3e74 c69e3e68 # [ 113.891514] 3e60: c0c2f580 c135e760 c69e3e9c c69e3e78 c0c2fa80 c0c2f560 c0c2f960 c5b81b80 # [ 113.899723] 3e80: b6e5e000 00000014 c5291000 c69e3f60 c69e3ec4 c69e3ea0 c07f6400 c0c2f96c # [ 113.907932] 3ea0: 00000000 c5b81b80 b6e5e000 c2816000 c69e3f60 c07f639c c69e3f5c c69e3ec8 # [ 113.916144] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c1373e40 c05992c0 c69e2000 # [ 113.924352] 3ee0: b6e5e000 00020000 00000004 00000014 0001ffec c69e3ee0 00000001 b6e5d000 # [ 113.932560] 3f00: c5c66c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.940767] 3f20: 00000000 00000000 c1373e40 d8defbf3 c205c540 c5b81b80 c5b81b80 c69e2000 # [ 113.948975] 3f40: b6e5e000 00000000 00000000 00000004 c69e3f94 c69e3f60 c05992c0 c0598c2c # [ 113.957182] 3f60: 00000000 00000000 c69e3fac d8defbf3 00000014 00000014 b6fa5e00 00000004 # [ 113.965390] 3f80: c03002e4 c69e2000 c69e3fa4 c69e3f98 c0599350 c0599258 00000000 c69e3fa8 # [ 113.973599] 3fa0: c03000c0 c0599344 00000014 00000014 00000001 b6e5e000 00000014 00000000 # [ 113.981807] 3fc0: 00000014 00000014 b6fa5e00 00000004 00000001 00000000 00020000 bea73a54 # [ 113.990015] 3fe0: 00000004 bea73788 b6f104cf b6e967e6 800e0030 00000001 00000000 00000000 # [ 113.998208] Backtrace: # [ 114.000727] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.009713] r5:c6cdb000 r4:00000029 # [ 114.013331] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.021377] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.029325] r9:c69e3f60 r8:c5291000 r7:00000014 r6:b6e5e000 r5:c5b81b80 r4:c0c2f960 # [ 114.037111] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.044973] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6e5e000 r5:c5b81b80 r4:00000000 # [ 114.052750] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.059916] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c69e2000 r5:c5b81b80 # [ 114.067766] r4:c5b81b80 # [ 114.070336] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.077504] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:00000014 r4:00000014 # [ 114.085283] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.092874] Exception stack(0xc[ 114.608275] lkdtm: Performing direct entry WRITE_KERN 69e3fa8 to 0xc69e3ff0)[ #1 1[4.614899] lkdtm: attempting bad 7529276 byte write at c135e62c 114.097955] 3fa0: [ 114.623376] 8<--- cut here --- 00000014 00000[0 1 41 1040.609169] Unable to handle kernel paging request at virtual address c135e62c 00001 b6e5e000 0000[0 0 1141 40.038473] pgd = d75388e2 000000 # [ 114.106163] 3fc0: 00[ 114.643344] [c135e62c] *pgd=1121940e(bad) 000014 00000014 b6fa5e00 [0 0 0104.650220] Internal error: Oops: 80d [#14] SMP ARM 0004 00000001 00000000 00020000 b[ 114.657521] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ea73a54 # [ 114.114365][ 3 f1e4.689221] CPU: 2 PID: 2612 Comm: cat Tainted: G D W 5.10.158-cip22 #1 0: 00000004 bea[7 3 718184 .b669f386] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 104cf b6e967e6 # [ 114.11945[0 114.707914] PC is at memcpy+0x50/0x330 Code: e34a3bcd e30e0[0 e 01 1e43714343] LR is at 0xe92dd830 4c01ac e0233002[ ( e151844.37109734] pc : [] lr : [] psr: 200e0013 0) # [ 114.12[5 5 7171]4 .-7-27994] sp : c69e3e2c ip : e1a0c00d fp : c69e3e64 [ end trace 6367b[b 2 e13124f.67e5298] r10: 0000000b r9 : c1acd2fc r8 : e89da800 25e ]--- # WRI[T E _1R1O4_.A7F4T602] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 ER_INIT: missing '[c a 1l1l4 .t7r1122] r3 : e1a0c00d r2 : 0072e29c r1 : c0c30310 r0 : c135e62c ace:': [FAIL] not o[k 4101 4s.759729] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none lftests: lkdtm: W[R I T1E1_4R.O7_9116] Control: 10c5387d Table: 16ee004a DAC: 00000051 AFTER_INIT.sh # ex[i t =111 4 .#776942] Process cat (pid: 2612, stack limit = 0x4e161929) selftests: lkdt[m : 1W1R4I.T7E8_854] Stack: (0xc69e3e2c to 0xc69e4000) KERN.sh [ 114.791208] 3e20: c0c302f0 0072e33c c69e3f60 c15e8784 c135e62c [ 114.800164] 3e40: c135e62c c135e810 0000002a c5db2000 0000000b c69e3f60 c69e3e74 c69e3e68 [ 114.808354] 3e60: c0c2f580 c135e7d0 c69e3e9c c69e3e78 c0c2fa80 c0c2f560 c0c2f960 c6bcbe00 [ 114.816544] 3e80: b6de1000 0000000b c5291000 c69e3f60 c69e3ec4 c69e3ea0 c07f6400 c0c2f96c [ 114.824734] 3ea0: 00000000 c6bcbe00 b6de1000 c2816000 c69e3f60 c07f639c c69e3f5c c69e3ec8 [ 114.832924] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2c83a24 c05992c0 c69e2000 [ 114.841113] 3ee0: b6de1000 00020000 00000004 0000000b 0001fff5 c69e3ee0 00000001 00000805 [ 114.849300] 3f00: c5ceedc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 114.857487] 3f20: 00000000 00000000 c69e2000 87d2e740 b6de0000 c6bcbe00 c6bcbe00 c69e2000 [ 114.865676] 3f40: b6de1000 00000000 00000000 00000004 c69e3f94 c69e3f60 c05992c0 c0598c2c [ 114.873864] 3f60: 00000000 00000000 c69e3fac 87d2e740 0000000b 0000000b b6f28e00 00000004 [ 114.882053] 3f80: c03002e4 c69e2000 c69e3fa4 c69e3f98 c0599350 c0599258 00000000 c69e3fa8 [ 114.890242] 3fa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6de1000 0000000b 00000000 [ 114.898432] 3fc0: 0000000b 0000000b b6f28e00 00000004 00000001 00000000 00020000 bed28a54 [ 114.906620] 3fe0: 00000004 bed28788 b6e934cf b6e197e6 800e0030 00000001 00000000 00000000 [ 114.914804] Backtrace: [ 114.917292] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.925484] r7:c69e3f60 r6:0000000b r5:c5db2000 r4:0000002a [ 114.931163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.939187] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.947117] r9:c69e3f60 r8:c5291000 r7:0000000b r6:b6de1000 r5:c6bcbe00 r4:c0c2f960 [ 114.954879] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.962722] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6de1000 r5:c6bcbe00 r4:00000000 [ 114.970477] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.977624] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c69e2000 r5:c6bcbe00 [ 114.985460] r4:c6bcbe00 [ 114.988007] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.995154] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:0000000b r4:0000000b [ 115.002913] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.010489] Exception stack(0xc69e3fa8 to 0xc69e3ff0) [ 115.015553] 3fa0: 0000000b 0000000b 00000001 b6de1000 0000000b 00000000 [ 115.023743] 3fc0: 0000000b 0000000b b6f28e00 00000004 00000001 00000000 00020000 bed28a54 [ 115.031929] 3fe0: 00000004 bed28788 b6e934cf b6e197e6 [ 115.036995] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 115.043104] ---[ end trace 6367bb2e32f6e25f ]--- # Segmentation fault # [ 114.608275] lkdtm: Performing direct entry WRITE_KERN # [ 114.614899] lkdtm: attempting bad 7529276 byte write at c135e62c # [ 114.623376] 8<--- cut here --- # [ 114.629169] Unable to handle kernel paging request at virtual address c135e62c # [ 114.638473] pgd = d75388e2 # [ 114.643344] [c135e62c] *pgd=1121940e(bad) # [ 114.650220] Internal error: Oops: 80d [#14] SMP ARM # [ 114.657521] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 114.689221] CPU: 2 PID: 2612 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 114.699386] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.707914] PC is at memcpy+0x50/0x330 # [ 114.714343] LR is at 0xe92dd830 # [ 114.719734] pc : [] lr : [] psr: 200e0013 # [ 114.727994] sp : c69e3e2c ip : e1a0c00d fp : c69e3e64 # [ 114.735298] r10: 0000000b r9 : c1acd2fc r8 : e89da800 # [ 114.742602] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 114.751122] r3 : e1a0c00d r2 : 0072e29c r1 : c0c30310 r0 : c135e62c # [ 114.759729] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.769116] Control: 10c5387d Table: 16ee004a DAC: 00000051 # [ 114.776942] Process cat (pid: 2612, stack limit = 0x4e161929) # [ 114.784854] Stack: (0xc69e3e2c to 0xc69e4000) # [ 114.791208] 3e20: c0c302f0 0072e33c c69e3f60 c15e8784 c135e62c # [ 114.800164] 3e40: c135e62c c135e810 0000002a c5db2000 0000000b c69e3f60 c69e3e74 c69e3e68 # [ 114.808354] 3e60: c0c2f580 c135e7d0 c69e3e9c c69e3e78 c0c2fa80 c0c2f560 c0c2f960 c6bcbe00 # [ 114.816544] 3e80: b6de1000 0000000b c5291000 c69e3f60 c69e3ec4 c69e3ea0 c07f6400 c0c2f96c # [ 114.824734] 3ea0: 00000000 c6bcbe00 b6de1000 c2816000 c69e3f60 c07f639c c69e3f5c c69e3ec8 # [ 114.832924] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2c83a24 c05992c0 c69e2000 # [ 114.841113] 3ee0: b6de1000 00020000 00000004 0000000b 0001fff5 c69e3ee0 00000001 00000805 # [ 114.849300] 3f00: c5ceedc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.857487] 3f20: 00000000 00000000 c69e2000 87d2e740 b6de0000 c6bcbe00 c6bcbe00 c69e2000 # [ 114.865676] 3f40: b6de1000 00000000 00000000 00000004 c69e3f94 c69e3f60 c05992c0 c0598c2c # [ 114.873864] 3f60: 00000000 00000000 c69e3fac 87d2e740 0000000b 0000000b b6f28e00 00000004 # [ 114.882053] 3f80: c03002e4 c69e2000 c69e3fa4 c69e3f98 c0599350 c0599258 00000000 c69e3fa8 # [ 114.890242] 3fa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6de1000 0000000b 00000000 # [ 114.898432] 3fc0: 0000000b 0000000b b6f28e00 00000004 00000001 00000000 00020000 bed28a54 # [ 114.906620] 3fe0: 00000004 bed28788 b6e934cf b6e197e6 800e0030 00000001 00000000 00000000 # [ 114.914804] Backtrace: # [ 114.917292] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.925484] r7:c69e3f60 r6:0000000b r5:c5db2000 r4:0000002a # [ 114.931163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.939187] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.947117] r9:c69e3f60 r8:c5291000 r7:0000000b r6:b6de1000 r5:c6bcbe00 r4:c0c2f960 # [ 114.954879] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.962722] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6de1000 r5:c6bcbe00 r4:00000000 # [ 114.970477] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.977624] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c69e2000 r5:c6bcbe00 # [ 114.985460] r4:c6bcbe00 # [ 114.988007] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.995154] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:0000000b r4:0000000b # [ 115.002913] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.0104[ 115.508995] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 89] Exception st[a c k1(105x.c5616337] lkdtm: attempting good refcount_inc() without overflow e3fa8 to 0xc69e3ff0) # [ 115.01[ 115.524664] lkdtm: attempting bad refcount_inc() overflow 5553] 3fa0: 000[ 115.532915] ------------[ cut here ]------------ 0000b 0000000b 00000001 b6de1000 [ 115.540415] WARNING: CPU: 1 PID: 2687 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 0000000b 00000000 # [ 115.02374[ 115.551674] refcount_t: saturated; leaking memory. 3] 3fc0: 0000000b 0000000b b6f28e[ 115.559328] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 00 00000004 00000001 00000000 000[ 115.591051] CPU: 1 PID: 2687 Comm: cat Tainted: G D W 5.10.158-cip22 #1 20000 bed[2 8 a15145 . 6#0 1[6 0 ] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 115.031929] 3fe0: [0 0 0101050.0609866] Backtrace: bed28788 b6e934cf b6e197e6 # [[ 115.614497] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 115.036995] Co[d e :1 1f5.56d214832] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 05c f5d1f07c e8b1[5 1 f181 5e.2652486] [] (show_stack) from [] (dump_stack+0xe0/0x100) 22020 (e8a051f8) # [[ 111155641879] [] (dump_stack) from [] (__warn+0xfc/0x16c) .043104] ---[ end[ t r1a1c5e. 661093] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c 367bb2e32f6e25f ]--- #[ W R1I1T.660920] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) E_KERN: missing[ ' c1a15l.l6 7t0740] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c6e38000 ace:': [FAIL] not ok 4[1 s1e15.678398] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) ftests: lkdtm: WR[I T E1_1K5E.R6N9694] r9:c1acd308 r8:c15e8784 r7:c6e39f60 r6:00000016 r5:c6a78000 r4:c6e38000 .sh # exit=1 # selftes[t s :1 1l.699523] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) kdtm: REFCOUNT_INC_[O V E1R1F5L.O11515] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) W.sh [ 115.723772] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.733411] r4:0000002b [ 115.735956] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.743974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.751898] r9:c6e39f60 r8:c5291000 r7:00000016 r6:b6e69000 r5:c5bfa8c0 r4:c0c2f960 [ 115.759655] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.767493] r9:c07f639c r8:c6e39f60 r7:c2816000 r6:b6e69000 r5:c5bfa8c0 r4:00000000 [ 115.775244] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.782388] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6e38000 r5:c5bfa8c0 [ 115.790220] r4:c5bfa8c0 [ 115.792763] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.799910] r9:c6e38000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000016 r4:00000016 [ 115.807665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.815240] Exception stack(0xc6e39fa8 to 0xc6e39ff0) [ 115.820300] 9fa0: 00000016 00000016 00000001 b6e69000 00000016 00000000 [ 115.828487] 9fc0: 00000016 00000016 b6fb0e00 00000004 00000001 00000000 00020000 bea9aa54 [ 115.836670] 9fe0: 00000004 bea9a788 b6f1b4cf b6ea17e6 [ 115.841796] irq event stamp: 0 [ 115.844870] hardirqs last enabled at (0): [<00000000>] 0x0 [ 115.850486] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 115.857993] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 115.865531] softirqs last disabled at (0): [<00000000>] 0x0 [ 115.871165] ---[ end trace 6367bb2e32f6e260 ]--- [ 115.875805] lkdtm: Overflow detected: saturated # [ 115.508995] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 115.516337] lkdtm: attempting good refcount_inc() without overflow # [ 115.524664] lkdtm: attempting bad refcount_inc() overflow # [ 115.532915] ------------[ cut here ]------------ # [ 115.540415] WARNING: CPU: 1 PID: 2687 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 115.551674] refcount_t: saturated; leaking memory. # [ 115.559328] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 115.591051] CPU: 1 PID: 2687 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 115.601604] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.609866] Backtrace: # [ 115.614497] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 115.624832] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 115.632486] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 115.641879] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 115.651093] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c # [ 115.660920] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 115.670740] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c6e38000 # [ 115.678398] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 115.689694] r9:c1acd308 r8:c15e8784 r7:c6e39f60 r6:00000016 r5:c6a78000 r4:c6e38000 # [ 115.699523] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 115.711515] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 115.723772] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.733411] r4:0000002b # [ 115.735956] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.743974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.751898] r9:c6e39f60 r8:c5291000 r7:00000016 r6:b6e69000 r5:c5bfa8c0 r4:c0c2f960 # [ 115.759655] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.767493] r9:c07f639c r8:c6e39f60 r7:c2816000 r6:b6e69000 r5:c5bfa8c0 r4:00000000 # [ 115.775244] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.782388] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6e38000 r5:c5bfa8c0 # [ 115.790220] r4:c5bfa8c0 # [ 115.792763] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.799910] r9:c6e38000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000016 r4:00000016 # [ 115.807665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.815240] Exception stack(0xc6e39fa8 to 0xc6e39ff0) # [ 115.820300] 9fa0: 00000016 00000016 00000001 b6e69000 00000016 00000000 # [ 115.828487] 9fc0: 00000016 00000016 b6fb0e00 00000004 00000001 00000000 00020000 bea9aa54 # [ 115.836670] 9fe0: 00000004 bea9a788 b6f1b4cf b6ea17e6 # [ 115.841796] irq event stamp: 0 # [ 115.844870] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 115.850486] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 115.857993] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 115.865531] softirqs last disabled at (0): [<00000000>] 0x0 # [ 115.871165] ---[ end trace 6367bb2e32f6e260 ]--- # [ 115.875805] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW[ 116.287151] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW : missing 'call trace:': [FAIL] [ 116.295508] lkdtm: attempting good refcount_add() without overflow not ok 42 selftests: lkdtm: REFCO[ 116.304610] lkdtm: attempting bad refcount_add() overflow UNT_INC_OVERFLOW.sh # exit=1 # s[ 116.312840] ------------[ cut here ]------------ elftests: lkdtm: REFCOUNT_ADD_OVE[ 116.320384] WARNING: CPU: 2 PID: 2721 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 RFLOW.sh [ 116.331587] refcount_t: saturated; leaking memory. [ 116.337207] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 116.366356] CPU: 2 PID: 2721 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 116.374107] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.380639] Backtrace: [ 116.383111] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 116.390691] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 116.396363] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 116.403686] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 116.410658] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c [ 116.418412] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 116.425902] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c6dd8000 [ 116.431574] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 116.440541] r9:c1acd320 r8:c15e8784 r7:c6dd9f60 r6:00000016 r5:c6f97000 r4:c6dd8000 [ 116.448298] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 116.457963] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 116.468065] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.477201] r4:0000002c [ 116.479746] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.487763] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.495688] r9:c6dd9f60 r8:c5291000 r7:00000016 r6:b6e6e000 r5:c6bcb180 r4:c0c2f960 [ 116.503446] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.511286] r9:c07f639c r8:c6dd9f60 r7:c2816000 r6:b6e6e000 r5:c6bcb180 r4:00000000 [ 116.519036] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.526180] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c6dd8000 r5:c6bcb180 [ 116.534013] r4:c6bcb180 [ 116.536556] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.543701] r9:c6dd8000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000016 r4:00000016 [ 116.551457] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.559030] Exception stack(0xc6dd9fa8 to 0xc6dd9ff0) [ 116.564092] 9fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000000 [ 116.572278] 9fc0: 00000016 00000016 b6fb5e00 00000004 00000001 00000000 00020000 bec64a54 [ 116.580461] 9fe0: 00000004 bec64788 b6f204cf b6ea67e6 [ 116.585571] irq event stamp: 0 [ 116.588666] hardirqs last enabled at (0): [<00000000>] 0x0 [ 116.594257] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 116.601798] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 116.609351] softirqs last disabled at (0): [<00000000>] 0x0 [ 116.614951] ---[ end trace 6367bb2e32f6e261 ]--- [ 116.619607] lkdtm: Overflow detected: saturated # [ 116.287151] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 116.295508] lkdtm: attempting good refcount_add() without overflow # [ 116.304610] lkdtm: attempting bad refcount_add() overflow # [ 116.312840] ------------[ cut here ]------------ # [ 116.320384] WARNING: CPU: 2 PID: 2721 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 116.331587] refcount_t: saturated; leaking memory. # [ 116.337207] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 116.366356] CPU: 2 PID: 2721 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 116.374107] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.380639] Backtrace: # [ 116.383111] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 116.390691] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 116.396363] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 116.403686] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 116.410658] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c # [ 116.418412] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 116.425902] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c6dd8000 # [ 116.431574] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 116.440541] r9:c1acd320 r8:c15e8784 r7:c6dd9f60 r6:00000016 r5:c6f97000 r4:c6dd8000 # [ 116.448298] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 116.457963] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 116.468065] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.477201] r4:0000002c # [ 116.479746] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.487763] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.495688] r9:c6dd9f60 r8:c5291000 r7:00000016 r6:b6e6e000 r5:c6bcb180 r4:c0c2f960 # [ 116.503446] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.511286] r9:c07f639c r8:c6dd9f60 r7:c2816000 r6:b6e6e000 r5:c6bcb180 r4:00000000 # [ 116.519036] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.526180] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c6dd8000 r5:c6bcb180 # [ 116.534013] r4:c6bcb180 # [ 116.536556] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.543701] r9:c6dd8000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000016 r4:00000016 # [ 116.551457] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.559030] Exception stack(0xc6dd9fa8 to 0xc6dd9ff0) # [ 116.564092] 9fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000000 # [ 116.572278] 9fc0: 00000016 00000016 b6fb5e00 00000004 00000001 00000000 00020000 bec64a54 # [ 116.580461] 9fe0: 00000004 bec64788 b6f204cf b6ea67e6 # [ 116.585571] irq event stamp: 0 # [ 116.588666] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 116.594257] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 116.601798] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 116.609351] softirqs last disabled at (0): [<00000000>] 0x0 # [ 116.614951] ---[ end trace 6367bb2e32f6e261 ]--- # [ 116.619607] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing[ 117.033629] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 'call trace:': [FAIL] not ok 43[ 117.042573] lkdtm: attempting bad refcount_inc_not_zero() overflow selftests: lkdtm: REFCOUNT_ADD_O[ 117.051716] ------------[ cut here ]------------ VERFLOW.sh # exit=1 # selftests:[ 117.059112] WARNING: CPU: 3 PID: 2755 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 lkdtm: REFCOUNT_INC_NOT_ZERO_OVE[ 117.070375] refcount_t: saturated; leaking memory. RFLOW.sh [ 117.077992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 117.107736] CPU: 3 PID: 2755 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 117.115486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 117.122019] Backtrace: [ 117.124495] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 117.132073] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 117.137742] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 117.145065] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 117.152035] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c [ 117.159791] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 117.167279] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6dae000 [ 117.172951] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 117.181917] r9:c1acd338 r8:c15e8784 r7:c6daff60 r6:0000001f r5:c5e2d000 r4:7fffffff [ 117.189671] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 117.200117] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 117.211770] r5:c5e2d000 r4:c6dae000 [ 117.215362] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.225279] r4:0000002d [ 117.227825] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.235843] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.243767] r9:c6daff60 r8:c5291000 r7:0000001f r6:b6e56000 r5:c6de6640 r4:c0c2f960 [ 117.251523] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.259362] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6e56000 r5:c6de6640 r4:00000000 [ 117.267114] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.274256] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c6dae000 r5:c6de6640 [ 117.282090] r4:c6de6640 [ 117.284633] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.291776] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f [ 117.299533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.307107] Exception stack(0xc6daffa8 to 0xc6dafff0) [ 117.312169] ffa0: 0000001f 0000001f 00000001 b6e56000 0000001f 00000000 [ 117.320357] ffc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 becc2a54 [ 117.328539] ffe0: 00000004 becc2788 b6f084cf b6e8e7e6 [ 117.333651] irq event stamp: 0 [ 117.336723] hardirqs last enabled at (0): [<00000000>] 0x0 [ 117.342338] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 117.349910] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 117.357436] softirqs last disabled at (0): [<00000000>] 0x0 [ 117.363062] ---[ end trace 6367bb2e32f6e262 ]--- [ 117.367711] lkdtm: Overflow detected: saturated # [ 117.033629] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 117.042573] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 117.051716] ------------[ cut here ]------------ # [ 117.059112] WARNING: CPU: 3 PID: 2755 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 117.070375] refcount_t: saturated; leaking memory. # [ 117.077992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 117.107736] CPU: 3 PID: 2755 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 117.115486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.122019] Backtrace: # [ 117.124495] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 117.132073] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 117.137742] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 117.145065] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 117.152035] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c # [ 117.159791] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 117.167279] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6dae000 # [ 117.172951] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 117.181917] r9:c1acd338 r8:c15e8784 r7:c6daff60 r6:0000001f r5:c5e2d000 r4:7fffffff # [ 117.189671] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 117.200117] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 117.211770] r5:c5e2d000 r4:c6dae000 # [ 117.215362] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.225279] r4:0000002d # [ 117.227825] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.235843] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.243767] r9:c6daff60 r8:c5291000 r7:0000001f r6:b6e56000 r5:c6de6640 r4:c0c2f960 # [ 117.251523] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.259362] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6e56000 r5:c6de6640 r4:00000000 # [ 117.267114] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.274256] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c6dae000 r5:c6de6640 # [ 117.282090] r4:c6de6640 # [ 117.284633] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.291776] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f # [ 117.299533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.307107] Exception stack(0xc6daffa8 to 0xc6dafff0) # [ 117.312169] ffa0: 0000001f 0000001f 00000001 b6e56000 0000001f 00000000 # [ 117.320357] ffc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 becc2a54 # [ 117.328539] ffe0: 00000004 becc2788 b6f084cf b6e8e7e6 # [ 117.333651] irq event stamp: 0 # [ 117.336723] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 117.342338] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 117.349910] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 117.357436] softirqs last disabled at (0): [<00000000>] 0x0 # [ 117.363062] ---[ end trace 6367bb2e32f6e262 ]--- # [ 117.367711] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not [ 117.792667] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ok 44 selftests: lkdtm: REFCOUNT_[ 117.801735] lkdtm: attempting bad refcount_add_not_zero() overflow INC_NOT_ZERO_OVERFLOW.sh # exit=1[ 117.810904] ------------[ cut here ]------------ # selftests: lkdtm: REFCOUNT_AD[ 117.818295] WARNING: CPU: 1 PID: 2789 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 D_NOT_ZERO_OVERFLOW.sh [ 117.829558] refcount_t: saturated; leaking memory. [ 117.836392] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 117.865547] CPU: 1 PID: 2789 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 117.873297] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 117.879829] Backtrace: [ 117.882303] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 117.889883] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 117.895552] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 117.902875] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 117.909846] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c [ 117.917601] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 117.925091] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6e38000 [ 117.930762] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 117.939730] r9:c1acd358 r8:c15e8784 r7:c6e39f60 r6:0000001f r5:c5f17000 r4:7fffffff [ 117.947486] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 117.957931] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 117.969585] r5:c5f17000 r4:c6e38000 [ 117.973178] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.983096] r4:0000002e [ 117.985642] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.993659] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.001583] r9:c6e39f60 r8:c5291000 r7:0000001f r6:b6e06000 r5:c5a357c0 r4:c0c2f960 [ 118.009340] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.017179] r9:c07f639c r8:c6e39f60 r7:c2816000 r6:b6e06000 r5:c5a357c0 r4:00000000 [ 118.024931] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.032073] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c6e38000 r5:c5a357c0 [ 118.039907] r4:c5a357c0 [ 118.042450] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.049594] r9:c6e38000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:0000001f r4:0000001f [ 118.057348] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.064923] Exception stack(0xc6e39fa8 to 0xc6e39ff0) [ 118.069985] 9fa0: 0000001f 0000001f 00000001 b6e06000 0000001f 00000000 [ 118.078171] 9fc0: 0000001f 0000001f b6f4de00 00000004 00000001 00000000 00020000 beac1a54 [ 118.086355] 9fe0: 00000004 beac1788 b6eb84cf b6e3e7e6 [ 118.091485] irq event stamp: 0 [ 118.094558] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.100174] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 118.107688] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 118.115246] softirqs last disabled at (0): [<00000000>] 0x0 [ 118.120880] ---[ end trace 6367bb2e32f6e263 ]--- [ 118.125515] lkdtm: Overflow detected: saturated # [ 117.792667] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 117.801735] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 117.810904] ------------[ cut here ]------------ # [ 117.818295] WARNING: CPU: 1 PID: 2789 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 117.829558] refcount_t: saturated; leaking memory. # [ 117.836392] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 117.865547] CPU: 1 PID: 2789 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 117.873297] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.879829] Backtrace: # [ 117.882303] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 117.889883] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 117.895552] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 117.902875] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 117.909846] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c # [ 117.917601] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 117.925091] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6e38000 # [ 117.930762] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 117.939730] r9:c1acd358 r8:c15e8784 r7:c6e39f60 r6:0000001f r5:c5f17000 r4:7fffffff # [ 117.947486] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 117.957931] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 117.969585] r5:c5f17000 r4:c6e38000 # [ 117.973178] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.983096] r4:0000002e # [ 117.985642] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.993659] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.001583] r9:c6e39f60 r8:c5291000 r7:0000001f r6:b6e06000 r5:c5a357c0 r4:c0c2f960 # [ 118.009340] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.017179] r9:c07f639c r8:c6e39f60 r7:c2816000 r6:b6e06000 r5:c5a357c0 r4:00000000 # [ 118.024931] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.032073] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c6e38000 r5:c5a357c0 # [ 118.039907] r4:c5a357c0 # [ 118.042450] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.049594] r9:c6e38000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:0000001f r4:0000001f # [ 118.057348] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.064923] Exception stack(0xc6e39fa8 to 0xc6e39ff0) # [ 118.069985] 9fa0: 0000001f 0000001f 00000001 b6e06000 0000001f 00000000 # [ 118.078171] 9fc0: 0000001f 0000001f b6f4de00 00000004 00000001 00000000 00020000 beac1a54 # [ 118.086355] 9fe0: 00000004 beac1788 b6eb84cf b6e3e7e6 # [ 118.091485] irq event stamp: 0 # [ 118.094558] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.100174] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 118.107688] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 118.115246] softirqs last disabled at (0): [<00000000>] 0x0 # [ 118.120880] ---[ end trace 6367bb2e32f6e263 ]--- # [ 118.125515] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 118.558523] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 118.566060] lkdtm: attempting good refcount_dec() [ 118.570909] lkdtm: attempting bad refcount_dec() to zero [ 118.576262] ------------[ cut here ]------------ [ 118.580968] WARNING: CPU: 1 PID: 2823 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 118.589451] refcount_t: decrement hit 0; leaking memory. [ 118.594774] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 118.623942] CPU: 1 PID: 2823 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 118.631691] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.638223] Backtrace: [ 118.640695] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 118.648274] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 118.653947] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 118.661272] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 118.668243] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a2138c [ 118.675998] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 118.683489] r7:0000001f r6:c1a2138c r5:c1a213f0 r4:c6aaa000 [ 118.689161] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 118.698128] r9:c1acd378 r8:c15e8784 r7:c6aabf60 r6:00000012 r5:c5f17000 r4:c6aaa000 [ 118.705888] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 118.715554] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 118.725309] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.734098] r4:0000002f [ 118.736645] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.744662] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.752588] r9:c6aabf60 r8:c5291000 r7:00000012 r6:b6e34000 r5:c5a34b40 r4:c0c2f960 [ 118.760344] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.768183] r9:c07f639c r8:c6aabf60 r7:c2816000 r6:b6e34000 r5:c5a34b40 r4:00000000 [ 118.775935] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.783077] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c6aaa000 r5:c5a34b40 [ 118.790911] r4:c5a34b40 [ 118.793453] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.800595] r9:c6aaa000 r8:c03002e4 r7:00000004 r6:b6f7be00 r5:00000012 r4:00000012 [ 118.808350] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.815924] Exception stack(0xc6aabfa8 to 0xc6aabff0) [ 118.820985] bfa0: 00000012 00000012 00000001 b6e34000 00000012 00000000 [ 118.829172] bfc0: 00000012 00000012 b6f7be00 00000004 00000001 00000000 00020000 bed0ea54 [ 118.837354] bfe0: 00000004 bed0e788 b6ee64cf b6e6c7e6 [ 118.842472] irq event stamp: 0 [ 118.845545] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.851161] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 118.858719] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 118.866226] softirqs last disabled at (0): [<00000000>] 0x0 [ 118.871861] ---[ end trace 6367bb2e32f6e264 ]--- [ 118.876495] lkdtm: Zero detected: saturated # [ 118.558523] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 118.566060] lkdtm: attempting good refcount_dec() # [ 118.570909] lkdtm: attempting bad refcount_dec() to zero # [ 118.576262] ------------[ cut here ]------------ # [ 118.580968] WARNING: CPU: 1 PID: 2823 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 118.589451] refcount_t: decrement hit 0; leaking memory. # [ 118.594774] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 118.623942] CPU: 1 PID: 2823 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 118.631691] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.638223] Backtrace: # [ 118.640695] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 118.648274] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 118.653947] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 118.661272] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 118.668243] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a2138c # [ 118.675998] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 118.683489] r7:0000001f r6:c1a2138c r5:c1a213f0 r4:c6aaa000 # [ 118.689161] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 118.698128] r9:c1acd378 r8:c15e8784 r7:c6aabf60 r6:00000012 r5:c5f17000 r4:c6aaa000 # [ 118.705888] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 118.715554] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 118.725309] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.734098] r4:0000002f # [ 118.736645] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.744662] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.752588] r9:c6aabf60 r8:c5291000 r7:00000012 r6:b6e34000 r5:c5a34b40 r4:c0c2f960 # [ 118.760344] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.768183] r9:c07f639c r8:c6aabf60 r7:c2816000 r6:b6e34000 r5:c5a34b40 r4:00000000 # [ 118.775935] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.783077] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c6aaa000 r5:c5a34b40 # [ 118.790911] r4:c5a34b40 # [ 118.793453] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.800595] r9:c6aaa000 r8:c03002e4 r7:00000004 r6:b6f7be00 r5:00000012 r4:00000012 # [ 118.808350] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.815924] Exception stack(0xc6aabfa8 to 0xc6aabff0) # [ 118.820985] bfa0: 00000012 00000012 00000001 b6e34000 00000012 00000000 # [ 118.829172] bfc0: 00000012 00000012 b6f7be00 00000004 00000001 00000000 00020000 bed0ea54 # [ 118.837354] bfe0: 00000004 bed0e788 b6ee64cf b6e6c7e6 # [ 118.842472] irq event stamp: 0 # [ 118.845545] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.851161] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 118.858719] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 118.866226] softirqs last disabled at (0): [<00000000>] 0x0 # [ 118.871861] ---[ end trace 6367bb2e32f6e264 ]--- # [ 118.876495] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh [ 119.318363] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 119.324430] lkdtm: attempting bad refcount_dec() below zero [ 119.330099] ------------[ cut here ]------------ [ 119.334753] WARNING: CPU: 2 PID: 2861 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 119.343351] refcount_t: decrement hit 0; leaking memory. [ 119.348723] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 119.377864] CPU: 2 PID: 2861 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 119.385614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.392147] Backtrace: [ 119.394622] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 119.402200] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 119.407871] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 119.415193] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 119.422164] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a2138c [ 119.429922] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 119.437412] r7:0000001f r6:c1a2138c r5:c1a213f0 r4:c6dba000 [ 119.443086] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 119.452052] r9:c1acd38c r8:c15e8784 r7:c6dbbf60 r6:00000016 r5:00000000 r4:c6dba000 [ 119.459813] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 119.469478] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 119.479580] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.488717] r5:c5f11000 r4:00000030 [ 119.492303] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.500322] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.508250] r9:c6dbbf60 r8:c5291000 r7:00000016 r6:b6e60000 r5:c6bca3c0 r4:c0c2f960 [ 119.516007] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.523846] r9:c07f639c r8:c6dbbf60 r7:c2816000 r6:b6e60000 r5:c6bca3c0 r4:00000000 [ 119.531598] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.538741] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6dba000 r5:c6bca3c0 [ 119.546574] r4:c6bca3c0 [ 119.549117] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.556261] r9:c6dba000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000016 r4:00000016 [ 119.564015] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.571590] Exception stack(0xc6dbbfa8 to 0xc6dbbff0) [ 119.576651] bfa0: 00000016 00000016 00000001 b6e60000 00000016 00000000 [ 119.584837] bfc0: 00000016 00000016 b6fa7e00 00000004 00000001 00000000 00020000 be829a54 [ 119.593020] bfe0: 00000004 be829788 b6f124cf b6e987e6 [ 119.598135] irq event stamp: 0 [ 119.601235] hardirqs last enabled at (0): [<00000000>] 0x0 [ 119.606826] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 119.614379] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 119.621941] softirqs last disabled at (0): [<00000000>] 0x0 [ 119.627536] ---[ end trace 6367bb2e32f6e265 ]--- [ 119.632208] lkdtm: Negative detected: saturated # [ 119.318363] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 119.324430] lkdtm: attempting bad refcount_dec() below zero # [ 119.330099] ------------[ cut here ]------------ # [ 119.334753] WARNING: CPU: 2 PID: 2861 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 119.343351] refcount_t: decrement hit 0; leaking memory. # [ 119.348723] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 119.377864] CPU: 2 PID: 2861 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 119.385614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.392147] Backtrace: # [ 119.394622] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 119.402200] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 119.407871] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 119.415193] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 119.422164] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a2138c # [ 119.429922] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 119.437412] r7:0000001f r6:c1a2138c r5:c1a213f0 r4:c6dba000 # [ 119.443086] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 119.452052] r9:c1acd38c r8:c15e8784 r7:c6dbbf60 r6:00000016 r5:00000000 r4:c6dba000 # [ 119.459813] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 119.469478] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 119.479580] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.488717] r5:c5f11000 r4:00000030 # [ 119.492303] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.500322] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.508250] r9:c6dbbf60 r8:c5291000 r7:00000016 r6:b6e60000 r5:c6bca3c0 r4:c0c2f960 # [ 119.516007] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.523846] r9:c07f639c r8:c6dbbf60 r7:c2816000 r6:b6e60000 r5:c6bca3c0 r4:00000000 # [ 119.531598] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.538741] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6dba000 r5:c6bca3c0 # [ 119.546574] r4:c6bca3c0 # [ 119.549117] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.556261] r9:c6dba000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000016 r4:00000016 # [ 119.564015] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.571590] Exception stack(0xc6dbbfa8 to 0xc6dbbff0) # [ 119.576651] bfa0: 00000016 00000016 00000001 b6e60000 00000016 00000000 # [ 119.584837] bfc0: 00000016 00000016 b6fa7e00 00000004 00000001 00000000 00020000 be829a54 # [ 119.593020] bfe0: 00000004 be829788 b6f124cf b6e987e6 # [ 119.598135] irq event stamp: 0 # [ 119.601235] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 119.606826] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 119.614379] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 119.621941] softirqs last disabled at (0): [<00000000>] 0x0 # [ 119.627536] ---[ end trace 6367bb2e32f6e265 ]--- # [ 119.632208] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 120.077156] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 120.084033] lkdtm: attempting bad refcount_dec_and_test() below zero [ 120.090542] ------------[ cut here ]------------ [ 120.095219] WARNING: CPU: 1 PID: 2896 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 120.103811] refcount_t: underflow; use-after-free. [ 120.108706] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 120.138188] CPU: 1 PID: 2896 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 120.145939] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.152472] Backtrace: [ 120.154944] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.162524] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 120.168197] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.175519] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.182491] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c [ 120.190247] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.197737] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c69e2000 [ 120.203411] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 120.212466] r9:c1acd3a4 r8:c15e8784 r7:c69e3f60 r6:0000001f r5:00000000 r4:c69e2000 [ 120.220225] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 120.230672] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 120.242335] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.252254] r5:c5f17000 r4:00000031 [ 120.255842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.263861] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.271786] r9:c69e3f60 r8:c5291000 r7:0000001f r6:b6e52000 r5:c5bfadc0 r4:c0c2f960 [ 120.279543] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.287380] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6e52000 r5:c5bfadc0 r4:00000000 [ 120.295132] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.302276] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c69e2000 r5:c5bfadc0 [ 120.310110] r4:c5bfadc0 [ 120.312652] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.319794] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000001f r4:0000001f [ 120.327550] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.335124] Exception stack(0xc69e3fa8 to 0xc69e3ff0) [ 120.340185] 3fa0: 0000001f 0000001f 00000001 b6e52000 0000001f 00000000 [ 120.348373] 3fc0: 0000001f 0000001f b6f99e00 00000004 00000001 00000000 00020000 bea32a54 [ 120.356555] 3fe0: 00000004 bea32788 b6f044cf b6e8a7e6 [ 120.361685] irq event stamp: 0 [ 120.364758] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.370372] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 120.377884] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 120.385437] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.391058] ---[ end trace 6367bb2e32f6e266 ]--- [ 120.395690] lkdtm: Negative detected: saturated # [ 120.077156] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 120.084033] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 120.090542] ------------[ cut here ]------------ # [ 120.095219] WARNING: CPU: 1 PID: 2896 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 120.103811] refcount_t: underflow; use-after-free. # [ 120.108706] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 120.138188] CPU: 1 PID: 2896 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 120.145939] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.152472] Backtrace: # [ 120.154944] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.162524] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 120.168197] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.175519] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.182491] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c # [ 120.190247] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.197737] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c69e2000 # [ 120.203411] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 120.212466] r9:c1acd3a4 r8:c15e8784 r7:c69e3f60 r6:0000001f r5:00000000 r4:c69e2000 # [ 120.220225] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 120.230672] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 120.242335] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.252254] r5:c5f17000 r4:00000031 # [ 120.255842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.263861] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.271786] r9:c69e3f60 r8:c5291000 r7:0000001f r6:b6e52000 r5:c5bfadc0 r4:c0c2f960 # [ 120.279543] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.287380] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6e52000 r5:c5bfadc0 r4:00000000 # [ 120.295132] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.302276] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c69e2000 r5:c5bfadc0 # [ 120.310110] r4:c5bfadc0 # [ 120.312652] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.319794] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000001f r4:0000001f # [ 120.327550] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.335124] Exception stack(0xc69e3fa8 to 0xc69e3ff0) # [ 120.340185] 3fa0: 0000001f 0000001f 00000001 b6e52000 0000001f 00000000 # [ 120.348373] 3fc0: 0000001f 0000001f b6f99e00 00000004 00000001 00000000 00020000 bea32a54 # [ 120.356555] 3fe0: 00000004 bea32788 b6f044cf b6e8a7e6 # [ 120.361685] irq event stamp: 0 # [ 120.364758] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.370372] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 120.377884] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 120.385437] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.391058] ---[ end trace 6367bb2e32f6e266 ]--- # [ 120.395690] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # self[ 120.835403] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE tests: lkdtm: REFCOUNT_SUB_AND_TE[ 120.844377] lkdtm: attempting bad refcount_sub_and_test() below zero ST_NEGATIVE.sh [ 120.853621] ------------[ cut here ]------------ [ 120.859694] WARNING: CPU: 0 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 120.868273] refcount_t: underflow; use-after-free. [ 120.873080] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 120.902302] CPU: 0 PID: 2931 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 120.910055] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.916591] Backtrace: [ 120.919070] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.926653] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 120.932327] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.939652] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.946626] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c [ 120.954388] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.961883] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c6a9a000 [ 120.967562] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 120.976621] r9:c1acd3c4 r8:c15e8784 r7:c6a9bf60 r6:0000001f r5:c6de3000 r4:c6a9a000 [ 120.984383] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 120.994835] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 121.006505] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.016426] r4:00000032 [ 121.018975] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.026997] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.034924] r9:c6a9bf60 r8:c5291000 r7:0000001f r6:b6e20000 r5:c5a352c0 r4:c0c2f960 [ 121.042686] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.050528] r9:c07f639c r8:c6a9bf60 r7:c2816000 r6:b6e20000 r5:c5a352c0 r4:00000000 [ 121.058284] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.065432] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6a9a000 r5:c5a352c0 [ 121.073268] r4:c5a352c0 [ 121.075815] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.082963] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000001f r4:0000001f [ 121.090723] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.098300] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) [ 121.103366] bfa0: 0000001f 0000001f 00000001 b6e20000 0000001f 00000000 [ 121.111558] bfc0: 0000001f 0000001f b6f67e00 00000004 00000001 00000000 00020000 bef0ea54 [ 121.119746] bfe0: 00000004 bef0e788 b6ed24cf b6e587e6 [ 121.124845] irq event stamp: 0 [ 121.127923] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.133561] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.141095] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.148624] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.154211] ---[ end trace 6367bb2e32f6e267 ]--- [ 121.158873] lkdtm: Negative detected: saturated # [ 120.835403] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 120.844377] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 120.853621] ------------[ cut here ]------------ # [ 120.859694] WARNING: CPU: 0 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 120.868273] refcount_t: underflow; use-after-free. # [ 120.873080] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 120.902302] CPU: 0 PID: 2931 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 120.910055] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.916591] Backtrace: # [ 120.919070] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.926653] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 120.932327] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.939652] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.946626] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c # [ 120.954388] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.961883] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c6a9a000 # [ 120.967562] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 120.976621] r9:c1acd3c4 r8:c15e8784 r7:c6a9bf60 r6:0000001f r5:c6de3000 r4:c6a9a000 # [ 120.984383] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 120.994835] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 121.006505] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.016426] r4:00000032 # [ 121.018975] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.026997] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.034924] r9:c6a9bf60 r8:c5291000 r7:0000001f r6:b6e20000 r5:c5a352c0 r4:c0c2f960 # [ 121.042686] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.050528] r9:c07f639c r8:c6a9bf60 r7:c2816000 r6:b6e20000 r5:c5a352c0 r4:00000000 # [ 121.058284] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.065432] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c6a9a000 r5:c5a352c0 # [ 121.073268] r4:c5a352c0 # [ 121.075815] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.082963] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000001f r4:0000001f # [ 121.090723] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.098300] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) # [ 121.103366] bfa0: 0000001f 0000001f 00000001 b6e20000 0000001f 00000000 # [ 121.111558] bfc0: 0000001f 0000001f b6f67e00 00000004 00000001 00000000 00020000 bef0ea54 # [ 121.119746] bfe0: 00000004 bef0e788 b6ed24cf b6e587e6 # [ 121.124845] irq event stamp: 0 # [ 121.127923] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.133561] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.141095] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.148624] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.154211] ---[ end trace 6367bb2e32f6e267 ]--- # [ 121.158873] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 121.607251] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 121.613064] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 121.619501] lkdtm: Good: zero detected [ 121.623266] lkdtm: Correctly stayed at zero [ 121.627463] lkdtm: attempting bad refcount_inc() from zero [ 121.633161] ------------[ cut here ]------------ [ 121.637898] WARNING: CPU: 2 PID: 2963 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 121.646473] refcount_t: addition on 0; use-after-free. [ 121.651659] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 121.680811] CPU: 2 PID: 2963 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 121.688561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.695095] Backtrace: [ 121.697571] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.705150] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 121.710822] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.718144] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.725117] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a2138c [ 121.732874] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.740364] r7:00000019 r6:c1a2138c r5:c1a2139c r4:c6a9a000 [ 121.746040] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 121.755096] r9:c1acd3e4 r8:c15e8784 r7:c6a9bf60 r6:00000012 r5:00000000 r4:c6a9a000 [ 121.762853] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 121.772518] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 121.782271] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.791062] r5:c6ca7000 r4:00000033 [ 121.794649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.802666] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.810592] r9:c6a9bf60 r8:c5291000 r7:00000012 r6:b6e2b000 r5:c5c66640 r4:c0c2f960 [ 121.818349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.826188] r9:c07f639c r8:c6a9bf60 r7:c2816000 r6:b6e2b000 r5:c5c66640 r4:00000000 [ 121.833939] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.841082] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6a9a000 r5:c5c66640 [ 121.848915] r4:c5c66640 [ 121.851459] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.858601] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000012 r4:00000012 [ 121.866357] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.873931] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) [ 121.878993] bfa0: 00000012 00000012 00000001 b6e2b000 00000012 00000000 [ 121.887178] bfc0: 00000012 00000012 b6f72e00 00000004 00000001 00000000 00020000 bea61a54 [ 121.895360] bfe0: 00000004 bea61788 b6edd4cf b6e637e6 [ 121.900463] irq event stamp: 0 [ 121.903536] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.909151] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.916654] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.924197] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.929810] ---[ end trace 6367bb2e32f6e268 ]--- [ 121.934443] lkdtm: Zero detected: saturated # [ 121.607251] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 121.613064] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 121.619501] lkdtm: Good: zero detected # [ 121.623266] lkdtm: Correctly stayed at zero # [ 121.627463] lkdtm: attempting bad refcount_inc() from zero # [ 121.633161] ------------[ cut here ]------------ # [ 121.637898] WARNING: CPU: 2 PID: 2963 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 121.646473] refcount_t: addition on 0; use-after-free. # [ 121.651659] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 121.680811] CPU: 2 PID: 2963 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 121.688561] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.695095] Backtrace: # [ 121.697571] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.705150] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 121.710822] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.718144] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.725117] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a2138c # [ 121.732874] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.740364] r7:00000019 r6:c1a2138c r5:c1a2139c r4:c6a9a000 # [ 121.746040] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 121.755096] r9:c1acd3e4 r8:c15e8784 r7:c6a9bf60 r6:00000012 r5:00000000 r4:c6a9a000 # [ 121.762853] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 121.772518] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 121.782271] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.791062] r5:c6ca7000 r4:00000033 # [ 121.794649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.802666] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.810592] r9:c6a9bf60 r8:c5291000 r7:00000012 r6:b6e2b000 r5:c5c66640 r4:c0c2f960 # [ 121.818349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.826188] r9:c07f639c r8:c6a9bf60 r7:c2816000 r6:b6e2b000 r5:c5c66640 r4:00000000 # [ 121.833939] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.841082] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6a9a000 r5:c5c66640 # [ 121.848915] r4:c5c66640 # [ 121.851459] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.858601] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000012 r4:00000012 # [ 121.866357] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.873931] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) # [ 121.878993] bfa0: 00000012 00000012 00000001 b6e2b000 00000012 00000000 # [ 121.887178] bfc0: 00000012 00000012 b6f72e00 00000004 00000001 00000000 00020000 bea61a54 # [ 121.895360] bfe0: 00000004 bea61788 b6edd4cf b6e637e6 # [ 121.900463] irq event stamp: 0 # [ 121.903536] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.909151] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.916654] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.924197] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.929810] ---[ end trace 6367bb2e32f6e268 ]--- # [ 121.934443] lkdtm: Zero detected: saturated # REFCOU[ 122.378053] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO NT_INC_ZERO: missing 'call trace:[ 122.384351] lkdtm: attempting safe refcount_add_not_zero() from zero ': [FAIL] not ok 50 selftests: l[ 122.393641] lkdtm: Good: zero detected kdtm: REFCOUNT_INC_ZERO.sh # exit[ 122.400154] lkdtm: Correctly stayed at zero =1 # self[t e s1t22s.:4 0l7k1d6t] lkdtm: attempting bad refcount_add() from zero m: REFCOUNT_ADD_ZERO.sh [ 122.414438] ------------[ cut here ]------------ [ 122.421230] WARNING: CPU: 2 PID: 2997 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 122.429793] refcount_t: addition on 0; use-after-free. [ 122.434941] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 122.464091] CPU: 2 PID: 2997 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 122.471841] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.478372] Backtrace: [ 122.480844] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.488424] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 122.494094] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.501415] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.508385] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a2138c [ 122.516142] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.523631] r7:00000019 r6:c1a2138c r5:c1a2139c r4:c6948000 [ 122.529306] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 122.538362] r9:c1acd3f8 r8:c15e8784 r7:c6949f60 r6:00000012 r5:00000000 r4:c6948000 [ 122.546117] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 122.555785] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 122.565538] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.574327] r5:c6ca7000 r4:00000034 [ 122.577916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.585933] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.593857] r9:c6949f60 r8:c5291000 r7:00000012 r6:b6e2b000 r5:c6bcaa00 r4:c0c2f960 [ 122.601614] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.609453] r9:c07f639c r8:c6949f60 r7:c2816000 r6:b6e2b000 r5:c6bcaa00 r4:00000000 [ 122.617204] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.624348] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6948000 r5:c6bcaa00 [ 122.632180] r4:c6bcaa00 [ 122.634722] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.641865] r9:c6948000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000012 r4:00000012 [ 122.649622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.657195] Exception stack(0xc6949fa8 to 0xc6949ff0) [ 122.662258] 9fa0: 00000012 00000012 00000001 b6e2b000 00000012 00000000 [ 122.670444] 9fc0: 00000012 00000012 b6f72e00 00000004 00000001 00000000 00020000 be9b8a54 [ 122.678626] 9fe0: 00000004 be9b8788 b6edd4cf b6e637e6 [ 122.683729] irq event stamp: 0 [ 122.686801] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.692416] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.699953] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.707458] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.713082] ---[ end trace 6367bb2e32f6e269 ]--- [ 122.717719] lkdtm: Zero detected: saturated # [ 122.378053] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 122.384351] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 122.393641] lkdtm: Good: zero detected # [ 122.400154] lkdtm: Correctly stayed at zero # [ 122.407169] lkdtm: attempting bad refcount_add() from zero # [ 122.414438] ------------[ cut here ]------------ # [ 122.421230] WARNING: CPU: 2 PID: 2997 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 122.429793] refcount_t: addition on 0; use-after-free. # [ 122.434941] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 122.464091] CPU: 2 PID: 2997 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 122.471841] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.478372] Backtrace: # [ 122.480844] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.488424] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 122.494094] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.501415] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.508385] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a2138c # [ 122.516142] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.523631] r7:00000019 r6:c1a2138c r5:c1a2139c r4:c6948000 # [ 122.529306] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 122.538362] r9:c1acd3f8 r8:c15e8784 r7:c6949f60 r6:00000012 r5:00000000 r4:c6948000 # [ 122.546117] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 122.555785] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 122.565538] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.574327] r5:c6ca7000 r4:00000034 # [ 122.577916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.585933] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.593857] r9:c6949f60 r8:c5291000 r7:00000012 r6:b6e2b000 r5:c6bcaa00 r4:c0c2f960 # [ 122.601614] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.609453] r9:c07f639c r8:c6949f60 r7:c2816000 r6:b6e2b000 r5:c6bcaa00 r4:00000000 # [ 122.617204] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.624348] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6948000 r5:c6bcaa00 # [ 122.632180] r4:c6bcaa00 # [ 122.634722] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.641865] r9:c6948000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000012 r4:00000012 # [ 122.649622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.657195] Exception stack(0xc6949fa8 to 0xc6949ff0) # [ 122.662258] 9fa0: 00000012 00000012 00000001 b6e2b000 00000012 00000000 # [ 122.670444] 9fc0: 00000012 00000012 b6f72e00 00000004 00000001 00000000 00020000 be9b8a54 # [ 122.678626] 9fe0: 00000004 be9b8788 b6edd4cf b6e637e6 # [ 122.683729] irq event stamp: 0 # [ 122.686801] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.692416] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.699953] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.707458] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.713082] ---[ end trace 6367bb2e32f6e269 ]--- # [ 122.717719] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh [ 123.174045] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 123.180227] lkdtm: attempting bad refcount_inc() from saturated [ 123.186164] ------------[ cut here ]------------ [ 123.190938] WARNING: CPU: 3 PID: 3034 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 123.199501] refcount_t: saturated; leaking memory. [ 123.204303] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 123.233451] CPU: 3 PID: 3034 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 123.241201] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.247733] Backtrace: [ 123.250206] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.257787] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 123.263458] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.270781] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.277755] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c [ 123.285509] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.293000] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c6aae000 [ 123.298672] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 123.307638] r9:c1acd40c r8:c15e8784 r7:c6aaff60 r6:00000017 r5:c5a57000 r4:c6aae000 [ 123.315396] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 123.325061] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 123.335250] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.344474] r4:00000035 [ 123.347019] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.355035] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.362960] r9:c6aaff60 r8:c5291000 r7:00000017 r6:b6e58000 r5:c5a35040 r4:c0c2f960 [ 123.370715] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.378554] r9:c07f639c r8:c6aaff60 r7:c2816000 r6:b6e58000 r5:c5a35040 r4:00000000 [ 123.386307] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.393450] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6aae000 r5:c5a35040 [ 123.401283] r4:c5a35040 [ 123.403826] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.410969] r9:c6aae000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000017 r4:00000017 [ 123.418724] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.426298] Exception stack(0xc6aaffa8 to 0xc6aafff0) [ 123.431359] ffa0: 00000017 00000017 00000001 b6e58000 00000017 00000000 [ 123.439545] ffc0: 00000017 00000017 b6f9fe00 00000004 00000001 00000000 00020000 beec3a54 [ 123.447727] ffe0: 00000004 beec3788 b6f0a4cf b6e907e6 [ 123.452824] irq event stamp: 0 [ 123.455898] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.461515] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.469047] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.476543] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.482181] ---[ end trace 6367bb2e32f6e26a ]--- [ 123.486820] lkdtm: Saturation detected: still saturated # [ 123.174045] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 123.180227] lkdtm: attempting bad refcount_inc() from saturated # [ 123.186164] ------------[ cut here ]------------ # [ 123.190938] WARNING: CPU: 3 PID: 3034 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 123.199501] refcount_t: saturated; leaking memory. # [ 123.204303] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 123.233451] CPU: 3 PID: 3034 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 123.241201] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.247733] Backtrace: # [ 123.250206] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.257787] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 123.263458] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.270781] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.277755] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c # [ 123.285509] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.293000] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c6aae000 # [ 123.298672] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 123.307638] r9:c1acd40c r8:c15e8784 r7:c6aaff60 r6:00000017 r5:c5a57000 r4:c6aae000 # [ 123.315396] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 123.325061] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 123.335250] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.344474] r4:00000035 # [ 123.347019] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.355035] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.362960] r9:c6aaff60 r8:c5291000 r7:00000017 r6:b6e58000 r5:c5a35040 r4:c0c2f960 # [ 123.370715] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.378554] r9:c07f639c r8:c6aaff60 r7:c2816000 r6:b6e58000 r5:c5a35040 r4:00000000 # [ 123.386307] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.393450] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6aae000 r5:c5a35040 # [ 123.401283] r4:c5a35040 # [ 123.403826] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.410969] r9:c6aae000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000017 r4:00000017 # [ 123.418724] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.426298] Exception stack(0xc6aaffa8 to 0xc6aafff0) # [ 123.431359] ffa0: 00000017 00000017 00000001 b6e58000 00000017 00000000 # [ 123.439545] ffc0: 00000017 00000017 b6f9fe00 00000004 00000001 00000000 00020000 beec3a54 # [ 123.447727] ffe0: 00000004 beec3788 b6f0a4cf b6e907e6 # [ 123.452824] irq event stamp: 0 # [ 123.455898] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.461515] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.469047] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.476543] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.482181] ---[ end trace 6367bb2e32f6e26a ]--- # [ 123.486820] 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 [ 123.941047] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 123.947161] lkdtm: attempting bad refcount_dec() from saturated [ 123.953174] ------------[ cut here ]------------ [ 123.957823] WARNING: CPU: 0 PID: 3070 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 123.966313] refcount_t: decrement hit 0; leaking memory. [ 123.971678] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 124.000916] CPU: 0 PID: 3070 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 124.008665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.015198] Backtrace: [ 124.017671] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.025251] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 124.030921] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.038243] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.045215] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a2138c [ 124.052969] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.060458] r7:0000001f r6:c1a2138c r5:c1a213f0 r4:c6e38000 [ 124.066131] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 124.075098] r9:c1acd424 r8:c15e8784 r7:c6e39f60 r6:00000017 r5:c6de1000 r4:c6e38000 [ 124.082857] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 124.092524] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 124.102712] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.111936] r4:00000036 [ 124.114483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.122500] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.130425] r9:c6e39f60 r8:c5291000 r7:00000017 r6:b6ea8000 r5:c6de6500 r4:c0c2f960 [ 124.138182] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.146020] r9:c07f639c r8:c6e39f60 r7:c2816000 r6:b6ea8000 r5:c6de6500 r4:00000000 [ 124.153771] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.160913] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c6e38000 r5:c6de6500 [ 124.168746] r4:c6de6500 [ 124.171290] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.178433] r9:c6e38000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000017 r4:00000017 [ 124.186188] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.193762] Exception stack(0xc6e39fa8 to 0xc6e39ff0) [ 124.198824] 9fa0: 00000017 00000017 00000001 b6ea8000 00000017 00000000 [ 124.207012] 9fc0: 00000017 00000017 b6fefe00 00000004 00000001 00000000 00020000 beccfa54 [ 124.215196] 9fe0: 00000004 beccf788 b6f5a4cf b6ee07e6 [ 124.220300] irq event stamp: 0 [ 124.223376] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.228994] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.236499] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.244066] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.249686] ---[ end trace 6367bb2e32f6e26b ]--- [ 124.254319] lkdtm: Saturation detected: still saturated # [ 123.941047] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 123.947161] lkdtm: attempting bad refcount_dec() from saturated # [ 123.953174] ------------[ cut here ]------------ # [ 123.957823] WARNING: CPU: 0 PID: 3070 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 123.966313] refcount_t: decrement hit 0; leaking memory. # [ 123.971678] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 124.000916] CPU: 0 PID: 3070 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 124.008665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.015198] Backtrace: # [ 124.017671] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.025251] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 124.030921] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.038243] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.045215] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a2138c # [ 124.052969] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.060458] r7:0000001f r6:c1a2138c r5:c1a213f0 r4:c6e38000 # [ 124.066131] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 124.075098] r9:c1acd424 r8:c15e8784 r7:c6e39f60 r6:00000017 r5:c6de1000 r4:c6e38000 # [ 124.082857] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 124.092524] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 124.102712] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.111936] r4:00000036 # [ 124.114483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.122500] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.130425] r9:c6e39f60 r8:c5291000 r7:00000017 r6:b6ea8000 r5:c6de6500 r4:c0c2f960 # [ 124.138182] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.146020] r9:c07f639c r8:c6e39f60 r7:c2816000 r6:b6ea8000 r5:c6de6500 r4:00000000 # [ 124.153771] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.160913] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c6e38000 r5:c6de6500 # [ 124.168746] r4:c6de6500 # [ 124.171290] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.178433] r9:c6e38000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000017 r4:00000017 # [ 124.186188] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.193762] Exception stack(0xc6e39fa8 to 0xc6e39ff0) # [ 124.198824] 9fa0: 00000017 00000017 00000001 b6ea8000 00000017 00000000 # [ 124.207012] 9fc0: 00000017 00000017 b6fefe00 00000004 00000001 00000000 00020000 beccfa54 # [ 124.215196] 9fe0: 00000004 beccf788 b6f5a4cf b6ee07e6 # [ 124.220300] irq event stamp: 0 # [ 124.223376] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.228994] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.236499] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.244066] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.249686] ---[ end trace 6367bb2e32f6e26b ]--- # [ 124.254319] 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 [ 124.730806] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 124.736921] lkdtm: attempting bad refcount_dec() from saturated [ 124.742944] ------------[ cut here ]------------ [ 124.747593] WARNING: CPU: 0 PID: 3105 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 124.756089] refcount_t: saturated; leaking memory. [ 124.760925] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 124.790072] CPU: 0 PID: 3105 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 124.797822] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.804354] Backtrace: [ 124.806825] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.814404] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 124.820074] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.827396] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.834368] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c [ 124.842123] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.849613] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c5af6000 [ 124.855285] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 124.864252] r9:c1acd43c r8:c15e8784 r7:c5af7f60 r6:00000017 r5:c6de3000 r4:c5af6000 [ 124.872010] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 124.881675] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 124.891864] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.901088] r4:00000037 [ 124.903634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.911650] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.919576] r9:c5af7f60 r8:c5291000 r7:00000017 r6:b6e7d000 r5:c6bc9680 r4:c0c2f960 [ 124.927332] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.935169] r9:c07f639c r8:c5af7f60 r7:c2816000 r6:b6e7d000 r5:c6bc9680 r4:00000000 [ 124.942920] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.950062] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c5af6000 r5:c6bc9680 [ 124.957896] r4:c6bc9680 [ 124.960439] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.967582] r9:c5af6000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:00000017 r4:00000017 [ 124.975336] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.982910] Exception stack(0xc5af7fa8 to 0xc5af7ff0) [ 124.987972] 7fa0: 00000017 00000017 00000001 b6e7d000 00000017 00000000 [ 124.996158] 7fc0: 00000017 00000017 b6fc4e00 00000004 00000001 00000000 00020000 bed67a54 [ 125.004343] 7fe0: 00000004 bed67788 b6f2f4cf b6eb57e6 [ 125.009480] irq event stamp: 0 [ 125.012552] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.018142] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.025687] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.033259] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.038874] ---[ end trace 6367bb2e32f6e26c ]--- [ 125.043505] lkdtm: Saturation detected: still saturated # [ 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] 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 # [ 124.730806] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 124.736921] lkdtm: attempting bad refcount_dec() from saturated # [ 124.742944] ------------[ cut here ]------------ # [ 124.747593] WARNING: CPU: 0 PID: 3105 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 124.756089] refcount_t: saturated; leaking memory. # [ 124.760925] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 124.790072] CPU: 0 PID: 3105 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 124.797822] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.804354] Backtrace: # [ 124.806825] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.814404] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 124.820074] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.827396] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.834368] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a2138c # [ 124.842123] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.849613] r7:00000016 r6:c1a2138c r5:c1a21364 r4:c5af6000 # [ 124.855285] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 124.864252] r9:c1acd43c r8:c15e8784 r7:c5af7f60 r6:00000017 r5:c6de3000 r4:c5af6000 # [ 124.872010] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 124.881675] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 124.891864] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.901088] r4:00000037 # [ 124.903634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.911650] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.919576] r9:c5af7f60 r8:c5291000 r7:00000017 r6:b6e7d000 r5:c6bc9680 r4:c0c2f960 # [ 124.927332] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.935169] r9:c07f639c r8:c5af7f60 r7:c2816000 r6:b6e7d000 r5:c6bc9680 r4:00000000 # [ 124.942920] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.950062] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c5af6000 r5:c6bc9680 # [ 124.957896] r4:c6bc9680 # [ 124.960439] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.967582] r9:c5af6000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:00000017 r4:00000017 # [ 124.975336] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.982910] Exception stack(0xc5af7fa8 to 0xc5af7ff0) # [ 124.987972] 7fa0: 00000017 00000017 00000001 b6e7d000 00000017 00000000 # [ 124.996158] 7fc0: 00000017 00000017 b6fc4e00 00000004 00000001 00000000 00020000 bed67a54 # [ 125.004343] 7fe0: 00000004 bed67788 b6f2f4cf b6eb57e6 # [ 125.009480] irq event stamp: 0 # [ 125.012552] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.018142] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.025687] softirqs last enabled at (0): [] copy_process+0x5c8/0x[ 125.536189] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 194c # [ 125.033259] softirqs l[ 125.545023] lkdtm: attempting bad refcount_inc_not_zero() from saturated ast disabled at (0): [<00000000>][ 125.554541] ------------[ cut here ]------------ 0x0 # [ 125.038874] ---[ end t[ 125.562083] WARNING: CPU: 2 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 race 6367bb2e32f6e26c ]--- # [ [ 125.573287] refcount_t: saturated; leaking memory. 125.043505] lkdtm: Saturation det[ 125.580933] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ected: still saturated # REFCOUN[ 125.612651] CPU: 2 PID: 3137 Comm: cat Tainted: G D W 5.10.158-cip22 #1 T_ADD_SATU[R A T12E5D.:6 2s3a2w1 ] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 'Saturation de[t e c1t2e5d.:6 3s1476] Backtrace: ill saturated': ok ok 54 selftes[ 125.635938] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ts: lkdtm: REFCO[U N T1_2A5D.D6_46356] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 ATURATED.sh # sel[f t e1s2t5s.:654100] [] (show_stack) from [] (dump_stack+0xe0/0x100) lkdtm: REFCOUNT_INC_NOT_[Z E R1O25.663580] [] (dump_stack) from [] (__warn+0xfc/0x16c) SATURATED.sh [ 125.672965] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c [ 125.681923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.689414] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6aa2000 [ 125.695089] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 125.704059] r9:c1acd454 r8:c15e8784 r7:c6aa3f60 r6:00000020 r5:c6ca7000 r4:c0000000 [ 125.711813] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 125.722261] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 125.734002] r5:c6ca7000 r4:c6aa2000 [ 125.737593] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.747597] r4:00000038 [ 125.750145] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.758161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.766087] r9:c6aa3f60 r8:c5291000 r7:00000020 r6:b6dcc000 r5:c5c663c0 r4:c0c2f960 [ 125.773844] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.781683] r9:c07f639c r8:c6aa3f60 r7:c2816000 r6:b6dcc000 r5:c5c663c0 r4:00000000 [ 125.789436] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.796580] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c6aa2000 r5:c5c663c0 [ 125.804413] r4:c5c663c0 [ 125.806956] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.814099] r9:c6aa2000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000020 r4:00000020 [ 125.821854] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.829427] Exception stack(0xc6aa3fa8 to 0xc6aa3ff0) [ 125.834489] 3fa0: 00000020 00000020 00000001 b6dcc000 00000020 00000000 [ 125.842675] 3fc0: 00000020 00000020 b6f13e00 00000004 00000001 00000000 00020000 bed09a54 [ 125.850858] 3fe0: 00000004 bed09788 b6e7e4cf b6e047e6 [ 125.855967] irq event stamp: 0 [ 125.859063] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.864654] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.872193] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.879729] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.885316] ---[ end trace 6367bb2e32f6e26d ]--- [ 125.890003] lkdtm: Saturation detected: still saturated # [ 125.536189] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 125.545023] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 125.554541] ------------[ cut here ]------------ # [ 125.562083] WARNING: CPU: 2 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 125.573287] refcount_t: saturated; leaking memory. # [ 125.580933] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 125.612651] CPU: 2 PID: 3137 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 125.623214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.631476] Backtrace: # [ 125.635938] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.646356] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 125.654100] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.663580] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.672965] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c # [ 125.681923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.689414] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6aa2000 # [ 125.695089] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 125.704059] r9:c1acd454 r8:c15e8784 r7:c6aa3f60 r6:00000020 r5:c6ca7000 r4:c0000000 # [ 125.711813] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 125.722261] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 125.734002] r5:c6ca7000 r4:c6aa2000 # [ 125.737593] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.747597] r4:00000038 # [ 125.750145] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.758161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.766087] r9:c6aa3f60 r8:c5291000 r7:00000020 r6:b6dcc000 r5:c5c663c0 r4:c0c2f960 # [ 125.773844] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.781683] r9:c07f639c r8:c6aa3f60 r7:c2816000 r6:b6dcc000 r5:c5c663c0 r4:00000000 # [ 125.789436] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.796580] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c6aa2000 r5:c5c663c0 # [ 125.804413] r4:c5c663c0 # [ 125.806956] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.814099] r9:c6aa2000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000020 r4:00000020 # [ 125.821854] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.829427] Exception stack(0xc6aa3fa8 to 0xc6aa3ff0) # [ 125.834489] 3fa0: 00000020 00000020 00000001 b6dcc000 00000020 00000000 # [ 125.842675] 3fc0: 00000020 00000020 b6f13e00 00000004 00000001 00000000 00020000 bed09a54 # [ 125.850858] 3fe0: 00000004 bed09788 b6e7e4cf b6e047e6 # [ 125.855967] irq event stamp: 0 # [ 125.859063] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.864654] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.872193] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.879729] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.885316] ---[ end trace 6367bb2e32f6e26d ]--- # [ 125.890003] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 126.352022] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 126.358989] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 126.365707] ------------[ cut here ]------------ [ 126.370456] WARNING: CPU: 0 PID: 3171 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 126.380642] refcount_t: saturated; leaking memory. [ 126.385451] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 126.414723] CPU: 0 PID: 3171 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 126.422478] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.429014] Backtrace: [ 126.431497] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.439082] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 126.444758] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.452089] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.459065] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c [ 126.466828] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.474323] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6dc6000 [ 126.480006] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 126.488976] r9:c1acd474 r8:c15e8784 r7:c6dc7f60 r6:00000020 r5:c6de1000 r4:c0000000 [ 126.496737] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 126.507190] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 126.518936] r5:c6de1000 r4:c6dc6000 [ 126.522535] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.532543] r4:00000039 [ 126.535094] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.543117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.551047] r9:c6dc7f60 r8:c5291000 r7:00000020 r6:b6de8000 r5:c6bca140 r4:c0c2f960 [ 126.558809] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.566652] r9:c07f639c r8:c6dc7f60 r7:c2816000 r6:b6de8000 r5:c6bca140 r4:00000000 [ 126.574409] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.581557] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6dc6000 r5:c6bca140 [ 126.589394] r4:c6bca140 [ 126.591942] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.599090] r9:c6dc6000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:00000020 r4:00000020 [ 126.606848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.614426] Exception stack(0xc6dc7fa8 to 0xc6dc7ff0) [ 126.619491] 7fa0: 00000020 00000020 00000001 b6de8000 00000020 00000000 [ 126.627682] 7fc0: 00000020 00000020 b6f2fe00 00000004 00000001 00000000 00020000 be9b8a54 [ 126.635868] 7fe0: 00000004 be9b8788 b6e9a4cf b6e207e6 [ 126.640967] irq event stamp: 0 [ 126.644047] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.649671] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.657173] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.664715] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.670337] ---[ end trace 6367bb2e32f6e26e ]--- [ 126.674970] lkdtm: Saturation detected: still saturated # [ 126.352022] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 126.358989] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 126.365707] ------------[ cut here ]------------ # [ 126.370456] WARNING: CPU: 0 PID: 3171 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 126.380642] refcount_t: saturated; leaking memory. # [ 126.385451] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 126.414723] CPU: 0 PID: 3171 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 126.422478] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.429014] Backtrace: # [ 126.431497] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.439082] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 126.444758] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.452089] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.459065] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a2138c # [ 126.466828] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.474323] r7:00000013 r6:c1a2138c r5:c1a21364 r4:c6dc6000 # [ 126.480006] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 126.488976] r9:c1acd474 r8:c15e8784 r7:c6dc7f60 r6:00000020 r5:c6de1000 r4:c0000000 # [ 126.496737] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 126.507190] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 126.518936] r5:c6de1000 r4:c6dc6000 # [ 126.522535] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.532543] r4:00000039 # [ 126.535094] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.543117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.551047] r9:c6dc7f60 r8:c5291000 r7:00000020 r6:b6de8000 r5:c6bca140 r4:c0c2f960 # [ 126.558809] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.566652] r9:c07f639c r8:c6dc7f60 r7:c2816000 r6:b6de8000 r5:c6bca140 r4:00000000 # [ 126.574409] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.581557] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6dc6000 r5:c6bca140 # [ 126.589394] r4:c6bca140 # [ 126.591942] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.599090] r9:c6dc6000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:00000020 r4:00000020 # [ 126.606848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.614426] Exception stack(0xc6dc7fa8 to 0xc6dc7ff0) # [ 126.619491] 7fa0: 00000020 00000020 00000001 b6de8000 00000020 00000000 # [ 126.627682] 7fc0: 00000020 00000020 b6f2fe00 00000004 00000001 00000000 00020000 be9b8a54 # [ 126.635868] 7fe0: 00000004 be9b8788 b6e9a4cf b6e207e6 # [ 126.640967] irq event stamp: 0 # [ 126.644047] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.649671] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.657173] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.664715] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.670337] ---[ end trace 6367bb2e32f6e26e ]--- # [ 126.674970] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh [ 127.172314] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 127.179314] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 127.186028] ------------[ cut here ]------------ [ 127.190810] WARNING: CPU: 2 PID: 3208 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 127.199410] refcount_t: underflow; use-after-free. [ 127.204216] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 127.233516] CPU: 2 PID: 3208 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 127.241279] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.247811] Backtrace: [ 127.250285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.257864] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 127.263534] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.270856] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.277828] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c [ 127.285584] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.293075] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c582e000 [ 127.298749] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 127.307805] r9:c1acd494 r8:c15e8784 r7:c582ff60 r6:00000020 r5:c5f24000 r4:c582e000 [ 127.315563] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 127.326011] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 127.337764] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.347769] r4:0000003a [ 127.350315] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.358334] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.366259] r9:c582ff60 r8:c5291000 r7:00000020 r6:b6eb3000 r5:c5c67a40 r4:c0c2f960 [ 127.374016] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.381855] r9:c07f639c r8:c582ff60 r7:c2816000 r6:b6eb3000 r5:c5c67a40 r4:00000000 [ 127.389607] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.396751] r10:00000004 r9:00000000 r8:00000000 r7:b6eb3000 r6:c582e000 r5:c5c67a40 [ 127.404585] r4:c5c67a40 [ 127.407128] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.414273] r9:c582e000 r8:c03002e4 r7:00000004 r6:b6ffae00 r5:00000020 r4:00000020 [ 127.422029] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.429605] Exception stack(0xc582ffa8 to 0xc582fff0) [ 127.434667] ffa0: 00000020 00000020 00000001 b6eb3000 00000020 00000000 [ 127.442853] ffc0: 00000020 00000020 b6ffae00 00000004 00000001 00000000 00020000 becd9a54 [ 127.451036] ffe0: 00000004 becd9788 b6f654cf b6eeb7e6 [ 127.456143] irq event stamp: 0 [ 127.459238] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.464829] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.472366] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.479926] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.485546] ---[ end trace 6367bb2e32f6e26f ]--- [ 127.490248] lkdtm: Saturation detected: still saturated # [ 127.172314] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 127.179314] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 127.186028] ------------[ cut here ]------------ # [ 127.190810] WARNING: CPU: 2 PID: 3208 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 127.199410] refcount_t: underflow; use-after-free. # [ 127.204216] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 127.233516] CPU: 2 PID: 3208 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 127.241279] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.247811] Backtrace: # [ 127.250285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.257864] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 127.263534] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.270856] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.277828] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c # [ 127.285584] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.293075] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c582e000 # [ 127.298749] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 127.307805] r9:c1acd494 r8:c15e8784 r7:c582ff60 r6:00000020 r5:c5f24000 r4:c582e000 # [ 127.315563] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 127.326011] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 127.337764] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.347769] r4:0000003a # [ 127.350315] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.358334] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.366259] r9:c582ff60 r8:c5291000 r7:00000020 r6:b6eb3000 r5:c5c67a40 r4:c0c2f960 # [ 127.374016] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.381855] r9:c07f639c r8:c582ff60 r7:c2816000 r6:b6eb3000 r5:c5c67a40 r4:00000000 # [ 127.389607] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.396751] r10:00000004 r9:00000000 r8:00000000 r7:b6eb3000 r6:c582e000 r5:c5c67a40 # [ 127.404585] r4:c5c67a40 # [ 127.407128] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.414273] r9:c582e000 r8:c03002e4 r7:00000004 r6:b6ffae00 r5:00000020 r4:00000020 # [ 127.422029] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.429605] Exception stack(0xc582ffa8 to 0xc582fff0) # [ 127.434667] ffa0: 00000020 00000020 00000001 b6eb3000 00000020 00000000 # [ 127.442853] ffc0: 00000020 00000020 b6ffae00 00000004 00000001 00000000 00020000 becd9a54 # [ 127.451036] ffe0: 00000004 becd9788 b6f654cf b6eeb7e6 # [ 127.456143] irq event stamp: 0 # [ 127.459238] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.464829] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.472366] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.479926] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.485546] ---[ end trace 6367bb2e32f6e26f ]--- # [ 127.490248] 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 [ 127.957622] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 127.964589] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 127.971406] ------------[ cut here ]------------ [ 127.976085] WARNING: CPU: 3 PID: 3243 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 127.984671] refcount_t: underflow; use-after-free. [ 127.989511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 128.018674] CPU: 3 PID: 3243 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 128.026424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.032958] Backtrace: [ 128.035431] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.043009] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 128.048679] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.056003] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.062975] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c [ 128.070731] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.078220] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c6dae000 [ 128.083895] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 128.092949] r9:c1acd4b4 r8:c15e8784 r7:c6daff60 r6:00000020 r5:c6c9b000 r4:c6dae000 [ 128.100706] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 128.111154] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 128.122906] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.132912] r4:0000003b [ 128.135458] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.143477] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.151402] r9:c6daff60 r8:c5291000 r7:00000020 r6:b6e3e000 r5:c6bcbcc0 r4:c0c2f960 [ 128.159160] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.166999] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6e3e000 r5:c6bcbcc0 r4:00000000 [ 128.174751] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.181895] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6dae000 r5:c6bcbcc0 [ 128.189728] r4:c6bcbcc0 [ 128.192273] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.199417] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:00000020 r4:00000020 [ 128.207172] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.214747] Exception stack(0xc6daffa8 to 0xc6dafff0) [ 128.219810] ffa0: 00000020 00000020 00000001 b6e3e000 00000020 00000000 [ 128.227997] ffc0: 00000020 00000020 b6f85e00 00000004 00000001 00000000 00020000 beb01a54 [ 128.236180] ffe0: 00000004 beb01788 b6ef04cf b6e767e6 [ 128.241296] irq event stamp: 0 [ 128.244370] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.249986] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.257507] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.265090] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.270716] ---[ end trace 6367bb2e32f6e270 ]--- [ 128.275348] lkdtm: Saturation detected: still saturated # [ 127.957622] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 127.964589] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 127.971406] ------------[ cut here ]------------ # [ 127.976085] WARNING: CPU: 3 PID: 3243 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 127.984671] refcount_t: underflow; use-after-free. # [ 127.989511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 128.018674] CPU: 3 PID: 3243 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 128.026424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.032958] Backtrace: # [ 128.035431] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.043009] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 128.048679] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.056003] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.062975] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a2138c # [ 128.070731] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.078220] r7:0000001c r6:c1a2138c r5:c1a213c8 r4:c6dae000 # [ 128.083895] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 128.092949] r9:c1acd4b4 r8:c15e8784 r7:c6daff60 r6:00000020 r5:c6c9b000 r4:c6dae000 # [ 128.100706] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 128.111154] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 128.122906] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.132912] r4:0000003b # [ 128.135458] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.143477] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.151402] r9:c6daff60 r8:c5291000 r7:00000020 r6:b6e3e000 r5:c6bcbcc0 r4:c0c2f960 # [ 128.159160] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.166999] r9:c07f639c r8:c6daff60 r7:c2816000 r6:b6e3e000 r5:c6bcbcc0 r4:00000000 # [ 128.174751] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.181895] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6dae000 r5:c6bcbcc0 # [ 128.189728] r4:c6bcbcc0 # [ 128.192273] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.199417] r9:c6dae000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:00000020 r4:00000020 # [ 128.207172] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.214747] Exception stack(0xc6daffa8 to 0xc6dafff0) # [ 128.219810] ffa0: 00000020 00000020 00000001 b6e3e000 00000020 00000000 # [ 128.227997] ffc0: 00000020 00000020 b6f85e00 00000004 00000001 00000000 00020000 beb01a54 # [ 128.236180] ffe0: 00000004 beb01788 b6ef04cf b6e767e6 # [ 128.241296] irq event stamp: 0 # [ 128.244370] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.249986] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.257507] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.265090] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.270716] ---[ end trace 6367bb2e32f6e270 ]--- # [ 128.275348] 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 [ 129.095062] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 129.101163] lkdtm: attempting good copy_to_user of correct size [ 129.107137] lkdtm: attempting bad copy_to_user of too large size # [ 129.095062] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 129.101163] lkdtm: attempting good copy_to_user of correct size # [ 129.107137] 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 [ 129.560548] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 129.566764] lkdtm: attempting good copy_from_user of correct size [ 129.573091] lkdtm: attempting bad copy_from_user of too large size # [ 129.560548] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 129.566764] lkdtm: attempting good copy_from_user of correct size # [ 129.573091] 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 [ 130.018405] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 130.024899] lkdtm: attempting good copy_to_user inside whitelist [ 130.031027] lkdtm: attempting bad copy_to_user outside whitelist # [ 130.018405] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 130.024899] lkdtm: attempting good copy_to_user inside whitelist # [ 130.031027] 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 [ 130.477254] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 130.483972] lkdtm: attempting good copy_from_user inside whitelist [ 130.490303] lkdtm: attempting bad copy_from_user outside whitelist # [ 130.477254] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 130.483972] lkdtm: attempting good copy_from_user inside whitelist # [ 130.490303] 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 [ 130.933480] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 130.939814] lkdtm: good_stack: c6bfbe0c-c6bfbe2c [ 130.944475] lkdtm: bad_stack : c6bfbd84-c6bfbda4 [ 130.949211] lkdtm: attempting good copy_to_user of local stack [ 130.955100] lkdtm: attempting bad copy_to_user of distant stack # [ 130.933480] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 130.939814] lkdtm: good_stack: c6bfbe0c-c6bfbe2c # [ 130.944475] lkdtm: bad_stack : c6bfbd84-c6bfbda4 # [ 130.949211] lkdtm: attempting good copy_to_user of local stack # [ 130.955100] 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 [ 131.401521] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 131.407904] lkdtm: good_stack: c6dbbe0c-c6dbbe2c [ 131.412628] lkdtm: bad_stack : c6dbbd84-c6dbbda4 [ 131.417277] lkdtm: attempting good copy_from_user of local stack [ 131.423482] lkdtm: attempting bad copy_from_user of distant stack # [ 131.401521] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 131.407904] lkdtm: good_stack: c6dbbe0c-c6dbbe2c # [ 131.412628] lkdtm: bad_stack : c6dbbd84-c6dbbda4 # [ 131.417277] lkdtm: attempting good copy_from_user of local stack # [ 131.423482] 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 [ 131.867137] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 131.873243] lkdtm: good_stack: c5a4de0c-c5a4de2c [ 131.877878] lkdtm: bad_stack : c5a4dffc-c5a4e01c [ 131.882646] lkdtm: attempting good copy_to_user of local stack [ 131.888619] lkdtm: attempting bad copy_to_user of distant stack # [ 131.867137] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 131.873243] lkdtm: good_stack: c5a4de0c-c5a4de2c # [ 131.877878] lkdtm: bad_stack : c5a4dffc-c5a4e01c # [ 131.882646] lkdtm: attempting good copy_to_user of local stack # [ 131.888619] 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 [ 132.339609] lkdtm: Performing direct entry USERCOPY_KERNEL [ 132.345133] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a30 [ 132.352295] lkdtm: attempting bad copy_to_user from kernel text: c053a61c [ 132.359260] lkdtm: FAIL: survived bad copy_to_user() # [ 132.339609] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 132.345133] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a30 # [ 132.352295] lkdtm: attempting bad copy_to_user from kernel text: c053a61c # [ 132.359260] 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 [ 132.819859] lkdtm: Performing direct entry STACKLEAK_ERASING [ 132.825542] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 132.832606] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 132.839529] lkdtm: FAIL: the thread stack is NOT properly erased [ 132.845553] CPU: 2 PID: 3608 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 132.853301] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.859834] Backtrace: [ 132.862309] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.869890] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 132.875560] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.882883] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 132.891416] r9:c1acd5bc r8:c15e8784 r7:c69e3f60 r6:c69e3e34 r5:c69e2000 r4:0000078d [ 132.899175] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.907968] r8:c15e8784 r7:c69e3f60 r6:00000012 r5:c5991000 r4:00000046 [ 132.914682] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.922699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.930625] r9:c69e3f60 r8:c5291000 r7:00000012 r6:b6e28000 r5:c6bc8000 r4:c0c2f960 [ 132.938381] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.946221] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6e28000 r5:c6bc8000 r4:00000000 [ 132.953972] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.961116] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c69e2000 r5:c6bc8000 [ 132.968949] r4:c6bc8000 [ 132.971493] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.978636] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:00000012 r4:00000012 [ 132.986392] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.993967] Exception stack(0xc69e3fa8 to 0xc69e3ff0) [ 132.999030] 3fa0: 00000012 00000012 00000001 b6e28000 00000012 00000000 [ 133.007215] 3fc0: 00000012 00000012 b6f6fe00 00000004 00000001 00000000 00020000 bed89a54 [ 133.015398] 3fe0: 00000004 bed89788 b6eda4cf b6e607e6 # [ 132.819859] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 132.825542] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 132.832606] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 132.839529] lkdtm: FAIL: the thread stack is NOT properly erased # [ 132.845553] CPU: 2 PID: 3608 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 132.853301] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.859834] Backtrace: # [ 132.862309] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.869890] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 132.875560] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.882883] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 132.891416] r9:c1acd5bc r8:c15e8784 r7:c69e3f60 r6:c69e3e34 r5:c69e2000 r4:0000078d # [ 132.899175] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.907968] r8:c15e8784 r7:c69e3f60 r6:00000012 r5:c5991000 r4:00000046 # [ 132.914682] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.922699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.930625] r9:c69e3f60 r8:c5291000 r7:00000012 r6:b6e28000 r5:c6bc8000 r4:c0c2f960 # [ 132.938381] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.946221] r9:c07f639c r8:c69e3f60 r7:c2816000 r6:b6e28000 r5:c6bc8000 r4:00000000 # [ 132.953972] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.961116] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c69e2000 r5:c6bc8000 # [ 132.968949] r4:c6bc8000 # [ 132.971493] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.978636] r9:c69e2000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:00000012 r4:00000012 # [ 132.986392] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.993967] Exception stack(0xc69e3fa8 to 0xc69e3ff0) # [ 132.999030] 3fa0: 00000012 00000012 00000001 b6e28000 00000012 00000000 # [ 133.007215] 3fc0: 00000012 00000012 b6f6fe00 00000004 00000001 00000000 00020000 bed89a54 # [ 133.015398] 3fe0: 00000004 bed89788 b6eda4cf b6e607e6 # 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 [ 133.470015] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 133.475700] lkdtm: Calling matched prototype ... [ 133.480386] lkdtm: Calling mismatched prototype ... [ 133.485282] lkdtm: Fail: survived mismatched prototype function call! # [ 133.470015] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 133.475700] lkdtm: Calling matched prototype ... # [ 133.480386] lkdtm: Calling mismatched prototype ... # [ 133.485282] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #