[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 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 sst25vf016b 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 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.13 (8 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10462856/tftp-deploy-9w45tp6z/kernel/zImage tftp 0x10000000 10462856/tftp-deploy-9w45tp6z/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10462856/tftp-deploy-9w45tp6z/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 2.9 MiB/s done Bytes transferred = 12415488 (bd7200 hex) => tftp 0x14000000 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 4.7 MiB/s done Bytes transferred = 15448093 (ebb81d hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.5 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/10462856/extract-nfsrootfs-71h3mz8u,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbd7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15448029 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 5.10.180-cip33 (KernelCI@build-j1563634-arm-gcc-10-multi-v7-defconfig-kselftest-jrxb7) (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 May 26 07:09:52 UTC 2023 [ 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/10462856/extract-nfsrootfs-71h3mz8u,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: 921428K/1048576K available (17408K kernel code, 2656K rwdata, 8100K rodata, 2048K init, 6694K bss, 61612K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55470 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 15ns [ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns [ 0.000041] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns [ 0.004581] Console: colour dummy device 80x30 [ 0.004650] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004680] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004709] ... MAX_LOCK_DEPTH: 48 [ 0.004738] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004766] ... CLASSHASH_SIZE: 4096 [ 0.004793] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004820] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004847] ... CHAINHASH_SIZE: 32768 [ 0.004874] memory used by lock dependency info: 4061 kB [ 0.004901] memory used for stack traces: 2112 kB [ 0.004928] per task-struct memory footprint: 1536 bytes [ 0.005028] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) [ 0.005081] pid_max: default: 32768 minimum: 301 [ 0.005440] LSM: Security Framework initializing [ 0.005548] LSM support for eBPF active [ 0.005685] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005735] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008279] CPU: Testing write buffer coherency: ok [ 0.008411] CPU0: Spectre v2: using BPIALL workaround [ 0.009440] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.012981] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015390] rcu: Hierarchical SRCU implementation. [ 0.024275] EFI services will not be available. [ 0.025441] smp: Bringing up secondary CPUs ... [ 0.028340] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.028355] CPU1: Spectre v2: using BPIALL workaround [ 0.031880] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.031895] CPU2: Spectre v2: using BPIALL workaround [ 0.035048] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.035062] CPU3: Spectre v2: using BPIALL workaround [ 0.035741] smp: Brought up 1 node, 4 CPUs [ 0.035777] SMP: Total of 4 processors activated (528.00 BogoMIPS). [ 0.035807] CPU: All CPU(s) started in SVC mode. [ 0.038194] devtmpfs: initialized [ 0.086273] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.088815] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.089009] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.093699] pinctrl core: initialized pinctrl subsystem [ 0.100096] DMI not present or invalid. [ 0.102271] NET: Registered protocol family 16 [ 0.112071] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.120608] thermal_sys: Registered thermal governor 'step_wise' [ 0.121119] cpuidle: using governor menu [ 0.121605] CPU identified as i.MX6Q, silicon rev 1.0 [ 0.763395] vdd1p1: supplied by regulator-dummy [ 0.790734] vdd3p0: supplied by regulator-dummy [ 0.817637] vdd2p5: supplied by regulator-dummy [ 0.844605] vddarm: supplied by regulator-dummy [ 0.872387] vddpu: supplied by regulator-dummy [ 0.898549] vddsoc: supplied by regulator-dummy [ 2.047029] No ATAGs? [ 2.047574] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.047651] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.064910] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.091089] Serial: AMBA PL011 UART driver [ 2.147287] Kprobes globally optimized [ 2.250653] iommu: Default domain type: Translated [ 2.252664] vgaarb: loaded [ 2.256986] SCSI subsystem initialized [ 2.258895] usbcore: registered new interface driver usbfs [ 2.259183] usbcore: registered new interface driver hub [ 2.259392] usbcore: registered new device driver usb [ 2.266224] i2c i2c-0: IMX I2C adapter registered [ 2.272279] i2c i2c-1: IMX I2C adapter registered [ 2.276215] i2c i2c-2: IMX I2C adapter registered [ 2.280409] pps_core: LinuxPPS API ver. 1 registered [ 2.280447] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.280537] PTP clock support registered [ 2.297176] clocksource: Switched to clocksource mxc_timer1 [ 3.866308] NET: Registered protocol family 2 [ 3.867126] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 3.870146] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 3.870317] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 3.870525] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 3.871964] TCP: Hash tables configured (established 8192 bind 8192) [ 3.873003] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 3.873334] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.873584] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.874278] NET: Registered protocol family 1 [ 3.876890] RPC: Registered named UNIX socket transport module. [ 3.876972] RPC: Registered udp transport module. [ 3.877006] RPC: Registered tcp transport module. [ 3.877040] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.877183] NET: Registered protocol family 44 [ 3.877247] PCI: CLS 0 bytes, default 64 [ 3.879490] Trying to unpack rootfs image as initramfs... [ 5.674102] Freeing initrd memory: 15088K [ 5.675020] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 5.676335] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 5.684492] Initialise system trusted keyrings [ 5.685614] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 5.728828] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.732261] NFS: Registering the id_resolver key type [ 5.732426] Key type id_resolver registered [ 5.732506] Key type id_legacy registered [ 5.733059] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.733158] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.733349] ntfs: driver 2.1.32 [Flags: R/O]. [ 5.735229] Key type asymmetric registered [ 5.735349] Asymmetric key parser 'x509' registered [ 5.735744] bounce: pool size: 64 pages [ 5.735899] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 5.736001] io scheduler mq-deadline registered [ 5.736040] io scheduler kyber registered [ 5.736885] test_firmware: interface ready [ 5.898527] mxs-dma 110000.dma-apbh: initialized [ 5.957040] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 5.957363] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.175976] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.194451] SuperH (H)SCI(F) driver initialized [ 6.197297] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.201893] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.131981] printk: console [ttymxc1] enabled [ 7.142208] msm_serial: driver initialized [ 7.147362] STMicroelectronics ASC driver initialized [ 7.158572] STM32 USART driver initialized [ 7.183149] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.204771] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.213125] panel-simple panel-lcd: Specify missing connector_type [ 7.220770] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.269422] brd: module loaded [ 7.322393] loop: module loaded [ 7.328534] lkdtm: No crash points registered, enable through debugfs [ 7.349334] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 7.357358] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 7.365398] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 7.373665] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 7.381679] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 7.389811] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 7.397541] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 7.408799] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 7.415824] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 7.424738] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 7.438650] scsi host0: ahci-imx [ 7.443973] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 7.503917] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 7.516969] pps pps0: new PPS source ptp0 [ 7.559903] fec 2188000.ethernet eth0: registered PHC device 0 [ 7.570233] e1000e: Intel(R) PRO/1000 Network Driver [ 7.575230] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.581445] igb: Intel(R) Gigabit Ethernet Network Driver [ 7.586873] igb: Copyright (c) 2007-2014 Intel Corporation. [ 7.613022] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 7.620643] usbcore: registered new interface driver pegasus [ 7.626510] usbcore: registered new interface driver asix [ 7.632115] usbcore: registered new interface driver ax88179_178a [ 7.638409] usbcore: registered new interface driver cdc_ether [ 7.644471] usbcore: registered new interface driver smsc75xx [ 7.650476] usbcore: registered new interface driver smsc95xx [ 7.656378] usbcore: registered new interface driver net1080 [ 7.662239] usbcore: registered new interface driver cdc_subset [ 7.668362] usbcore: registered new interface driver zaurus [ 7.674198] usbcore: registered new interface driver cdc_ncm [ 7.691914] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 7.698590] ehci-pci: EHCI PCI platform driver [ 7.703217] ehci-platform: EHCI generic platform driver [ 7.709469] ehci-orion: EHCI orion driver [ 7.714347] SPEAr-ehci: EHCI SPEAr driver [ 7.719233] ehci-st: EHCI STMicroelectronics driver [ 7.724929] ehci-exynos: EHCI Exynos driver [ 7.729959] ehci-atmel: EHCI Atmel driver [ 7.734763] tegra-ehci: Tegra EHCI driver [ 7.739664] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 7.745938] ohci-pci: OHCI PCI platform driver [ 7.750596] ohci-platform: OHCI generic platform driver [ 7.756748] SPEAr-ohci: OHCI SPEAr driver [ 7.761631] ohci-st: OHCI STMicroelectronics driver [ 7.767383] ohci-atmel: OHCI Atmel driver [ 7.774634] usbcore: registered new interface driver usb-storage [ 7.779769] ata1: SATA link down (SStatus 0 SControl 300) [ 7.786393] ahci-imx 2200000.sata: no device found, disabling link. [ 7.792785] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 7.811054] i2c /dev entries driver [ 7.891154] sdhci: Secure Digital Host Controller Interface driver [ 7.897413] sdhci: Copyright(c) Pierre Ossman [ 7.910789] Synopsys Designware Multimedia Card Interface Driver [ 7.923760] sdhci-pltfm: SDHCI platform and OF driver helper [ 7.932997] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 7.933007] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 7.933175] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 7.949899] ledtrig-cpu: registered to indicate activity on CPUs [ 7.959554] usbcore: registered new interface driver usbhid [ 7.965159] usbhid: USB HID core driver [ 7.976637] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 7.985161] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 7.991934] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.000003] IPv4 over IPsec tunneling driver [ 8.008778] NET: Registered protocol family 10 [ 8.018643] Segment Routing with IPv6 [ 8.028065] NET: Registered protocol family 17 [ 8.031616] mmc2: new high speed SDHC card at address 0001 [ 8.034361] Key type dns_resolver registered [ 8.041832] mmcblk2: mmc2:0001 SD 14.8 GiB [ 8.055115] ThumbEE CPU extension supported. [ 8.059525] Registering SWP/SWPB emulation handler [ 8.065819] Loading compiled-in X.509 certificates [ 8.068611] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.078315] GPT:29296874 != 30965759 [ 8.081935] GPT:Alternate GPT header not at the end of the disk. [ 8.088051] GPT:29296874 != 30965759 [ 8.091660] GPT: Use GNU Parted to correct GPT errors. [ 8.096904] mmcblk2: p1 p2 p3 [ 8.258866] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.267355] panel-simple panel-lcd: Specify missing connector_type [ 8.281177] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.320156] imx_usb 2184200.usb: No over current polarity defined [ 8.333561] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 8.338943] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 8.368650] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 8.387837] hub 1-0:1.0: USB hub found [ 8.393556] hub 1-0:1.0: 1 port detected [ 8.408963] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data [ 8.416318] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem [ 8.424564] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 [ 8.453630] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.461987] panel-simple panel-lcd: Specify missing connector_type [ 8.475800] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.508776] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.517121] panel-simple panel-lcd: Specify missing connector_type [ 8.530941] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.552284] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 8.583575] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.591946] panel-simple panel-lcd: Specify missing connector_type [ 8.605876] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.629116] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) [ 8.817400] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.025698] hub 1-1:1.0: USB hub found [ 9.030400] hub 1-1:1.0: 3 ports detected [ 9.063974] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.072339] panel-simple panel-lcd: Specify missing connector_type [ 9.086352] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 10.719083] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off [ 10.727734] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 10.757262] Sending DHCP requests ., OK [ 10.801541] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 [ 10.809686] IP-Config: Complete: [ 10.812948] device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 [ 10.823464] host=imx6q-sabrelite-lava-cbg-2, domain=lava-rack, nis-domain=(none) [ 10.831401] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.831421] nameserver0=192.168.201.1 [ 10.899109] Freeing unused kernel memory: 2048K [ 10.908188] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 15.280608] imx-ipuv3 2400000.ipu: IPUv3H probed [ 15.316559] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.325283] panel-simple panel-lcd: Specify missing connector_type [ 15.358857] imx-ipuv3 2800000.ipu: IPUv3H probed [ 15.385519] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.428964] CAN device driver interface [ 15.461705] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.474854] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 15.486606] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 15.488769] panel-simple panel-lcd: Specify missing connector_type [ 15.494479] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 15.506008] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 15.515517] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 15.525252] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 15.531652] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 15.554798] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.555314] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 15.582898] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.591782] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.600693] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.609549] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.616836] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.626268] panel-simple panel-lcd: Specify missing connector_type [ 15.661260] caam 2100000.crypto: Entropy delay = 3200 [ 15.665463] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.727171] caam 2100000.crypto: Instantiated RNG4 SH0 [ 15.787933] caam 2100000.crypto: Instantiated RNG4 SH1 [ 15.789304] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.793141] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 15.801908] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.808169] caam 2100000.crypto: job rings = 2, qi = 0 [ 15.812079] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 15.816723] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.822545] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 15.829833] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.838298] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 15.862742] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 15.868415] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 15.869157] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.870048] panel-simple panel-lcd: Specify missing connector_type [ 15.878210] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.920285] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 15.963706] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.972300] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.981083] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.989745] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.053983] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.062573] panel-simple panel-lcd: Specify missing connector_type [ 16.094007] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.142279] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.151029] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.160002] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.168693] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.743825] caam algorithms registered in /proc/crypto [ 16.763155] caam 2100000.crypto: registering rng-caam [ 16.776626] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.785161] panel-simple panel-lcd: Specify missing connector_type [ 16.800414] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.844628] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.853272] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.861874] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.870385] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.888356] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.896840] panel-simple panel-lcd: Specify missing connector_type [ 16.920514] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.952519] random: crng init done [ 16.959643] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.968149] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.976625] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.985136] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 19.149656] systemd[1]: System time before build time, advancing clock. [ 19.414777] systemd[1]: systemd 247.3-7+deb11u2 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) [ 19.440881] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 19.514447] systemd[1]: Set hostname to . [ 21.352442] systemd[1]: Queued start job for default target Graphical Interface. [ 21.367014] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 21.422156] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 21.472134] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 21.521381] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 21.571232] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 21.620443] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 21.668882] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 21.682633] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 21.718645] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 21.759124] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 21.797576] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 21.838263] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 21.882299] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 21.986760] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 22.004740] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 22.064166] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 22.113811] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 22.168468] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 22.212524] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 22.262329] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 22.272722] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 22.294288] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 22.340966] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 22.397034] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 22.453970] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 22.520295] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 22.579041] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 22.638332] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 22.673240] fuse: init (API version 7.32) [ 22.677402] systemd[1]: Starting Journal Service... Starting Journal Service... [ 22.738467] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 22.788941] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 22.839585] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 22.899739] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 22.941083] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 22.988536] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 23.074776] systemd[1]: modprobe@configfs.service: Succeeded. [ 23.086139] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 23.134208] systemd[1]: modprobe@drm.service: Succeeded. [ 23.144366] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 23.193895] systemd[1]: modprobe@fuse.service: Succeeded. [ 23.204209] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 23.253385] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 23.293170] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 23.351395] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 23.397557] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 23.428754] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 23.439471] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 23.460064] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 23.519514] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 23.579100] systemd[1]: Starting Create System Users... Starting Create System Users... [ 23.626264] 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. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ 24.005123] systemd-journald[273]: 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 ] Reached target Hardware activated USB gadget. [ 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. [* ] A start job is running for User Login Management (13s / 1min 40s) M [ OK ] Started User Login Management. [ 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 5.10.180-cip33 #1 SMP Fri May 26 07:09:52 UTC 2023 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/10462856/extract-nfsrootfs-71h3mz8u' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u' / # 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-10462856/environment . /lava-10462856/environment / # /lava-10462856/bin/lava-test-runner /lava-10462856/0 /lava-10462856/bin/lava-test-runner /lava-10462856/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10462856/0/tests/0_timesync-off ++ cat uuid + UUID=10462856_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-10462856/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10462856_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-05-26 07:27:04-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/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: 1407392 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 44.98K 162KB/s kselftest.tar.xz 15%[==> ] 217.50K 390KB/s kselftest.tar.xz 53%[=========> ] 736.46K 798KB/s kselftest.tar.xz 100%[===================>] 1.34M 1.26MB/s in 1.1s 2023-05-26 07:27:06 (1.26 MB/s) - 'kselftest.tar.xz' saved [1407392/1407392] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 62.553512] 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 [ 63.651326] lkdtm: Performing direct entry BUG [ 63.656348] ------------[ cut here ]------------ [ 63.660996] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 63.666249] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 63.671400] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 63.700474] CPU: 3 PID: 693 Comm: cat Not tainted 5.10.180-cip33 #1 [ 63.706749] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 63.713295] PC is at lkdtm_BUG+0x14/0x18 [ 63.717227] LR is at lkdtm_do_action+0x2c/0x4c [ 63.721680] pc : [] lr : [] psr: a00e0013 [ 63.727955] sp : c5ee3e58 ip : c5ee3e68 fp : c5ee3e64 [ 63.733186] r10: 00000004 r9 : c1accfe4 r8 : c15e8cf8 [ 63.738418] r7 : c5ee3f60 r6 : 00000004 r5 : c6bef000 r4 : 00000001 [ 63.744951] r3 : c0c548e0 r2 : 9864547b r1 : ef7c05e0 r0 : c15e8d00 [ 63.751488] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 63.758631] Control: 10c5387d Table: 15e7004a DAC: 00000051 [ 63.764387] Process cat (pid: 693, stack limit = 0xc6e72e69) [ 63.770054] Stack: (0xc5ee3e58 to 0xc5ee4000) [ 63.774422] 3e40: c5ee3e74 c5ee3e68 [ 63.782611] 3e60: c0c54374 c0c548ec c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c693aa00 [ 63.790801] 3e80: b6e0e000 00000004 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 [ 63.798990] 3ea0: 00000000 c693aa00 b6e0e000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 [ 63.807180] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 [ 63.815368] 3ee0: b6e0e000 00020000 00000004 00000004 0001fffc c5ee3ee0 00000001 b6e0d000 [ 63.823556] 3f00: c5a65540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 63.831746] 3f20: 00000000 00000000 c13a0ff0 9864547b c205dc60 c693aa00 c693aa00 c5ee2000 [ 63.839935] 3f40: b6e0e000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 [ 63.848123] 3f60: 00000000 00000000 c5ee3fac 9864547b 00000004 00000004 b6f55e00 00000004 [ 63.856312] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 [ 63.864500] 3fa0: c03000c0 c059b270 00000004 00000004 00000001 b6e0e000 00000004 00000000 [ 63.872688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4 [ 63.880876] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 800e0030 00000001 00000000 00000000 [ 63.889057] Backtrace: [ 63.891525] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 63.899111] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 63.907134] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 63.915065] r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754 [ 63.922828] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 63.930672] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000 [ 63.938428] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 63.945576] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00 [ 63.953411] r4:c693aa00 [ 63.955958] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 63.963105] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004 [ 63.970862] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 63.978439] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) [ 63.983500] 3fa0: 00000004 00000004 00000001 b6e0e000 00000004 00000000 [ 63.991688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4 [ 63.999873] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 [ 64.004939] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 64.011047] ---[ end trace eec2cb921daffbbc ]--- [ 64.015675] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 64.024555] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 693, name: cat [ 64.032217] INFO: lockdep is turned off. [ 64.036146] irq event stamp: 1614 [ 64.039480] hardirqs last enabled at (1613): [] console_unlock+0x4b0/0x6c0 [ 64.047323] hardirqs last disabled at (1614): [] __und_svc+0x60/0x6c [ 64.054555] softirqs last enabled at (1412): [] __do_softirq+0x36c/0x5a0 [ 64.062222] softirqs last disabled at (1395): [] __irq_exit_rcu+0x178/0x1d0 [ 64.070061] CPU: 3 PID: 693 Comm: cat Tainted: G D 5.10.180-cip33 #1 [ 64.077722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 64.084254] Backtrace: [ 64.086728] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 64.094308] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8 [ 64.099985] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 64.107315] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) [ 64.115072] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19c9470 r4:c5ee2000 [ 64.122828] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 64.130667] r6:00000000 r5:00000031 r4:c19c9470 [ 64.135303] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) [ 64.143055] r6:00000001 r5:c5ee2000 r4:c46da880 [ 64.147692] [] (exit_signals) from [] (do_exit+0x100/0xafc) [ 64.155010] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c46da880 [ 64.161727] [] (do_exit) from [] (make_task_dead+0x68/0x74) [ 64.169041] r7:c1e0f84c [ 64.171591] [] (make_task_dead) from [] (die+0x370/0x37c) [ 64.178739] [] (die) from [] (do_undefinstr+0x170/0x240) [ 64.185798] r10:00000004 r9:c5ee2000 r8:c15e8cf8 r7:00000000 r6:c5ee3dc8 r5:c0c548f4 [ 64.193633] r4:e7f001f2 [ 64.196180] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 64.204103] Exception stack(0xc5ee3dc8 to 0xc5ee3e10) [ 64.209167] 3dc0: c15e8d00 ef7c05e0 9864547b c0c548e0 00000001 c6bef000 [ 64.217357] 3de0: 00000004 c5ee3f60 c15e8cf8 c1accfe4 00000004 c5ee3e64 c5ee3e68 c5ee3e58 [ 64.225543] 3e00: c0c54374 c0c548f4 a00e0013 ffffffff [ 64.230605] r7:c5ee3dfc r6:ffffffff r5:a00e0013 r4:c0c548f8 [ 64.236278] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 64.243859] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 64.251876] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 64.259803] r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754 [ 64.267559] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 64.275399] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000 [ 64.283154] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 64.290300] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00 [ 64.298135] r4:c693aa00 [ 64.300681] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 64.307828] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004 [ 64.315583] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 64.323158] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) [ 64.328220] 3fa0: 00000004 00000004 00000001 b6e0e000 00000004 00000000 [ 64.336407] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4 [ 64.344592] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 # Segmentation fault # [ 63.651326] lkdtm: Performing direct entry BUG # [ 63.656348] ------------[ cut here ]------------ # [ 63.660996] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.666249] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 63.671400] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 63.700474] CPU: 3 PID: 693 Comm: cat Not tainted 5.10.180-cip33 #1 # [ 63.706749] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.713295] PC is at lkdtm_BUG+0x14/0x18 # [ 63.717227] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.721680] pc : [] lr : [] psr: a00e0013 # [ 63.727955] sp : c5ee3e58 ip : c5ee3e68 fp : c5ee3e64 # [ 63.733186] r10: 00000004 r9 : c1accfe4 r8 : c15e8cf8 # [ 63.738418] r7 : c5ee3f60 r6 : 00000004 r5 : c6bef000 r4 : 00000001 # [ 63.744951] r3 : c0c548e0 r2 : 9864547b r1 : ef7c05e0 r0 : c15e8d00 # [ 63.751488] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.758631] Control: 10c5387d Table: 15e7004a DAC: 00000051 # [ 63.764387] Process cat (pid: 693, stack limit = 0xc6e72e69) # [ 63.770054] Stack: (0xc5ee3e58 to 0xc5ee4000) # [ 63.774422] 3e40: c5ee3e74 c5ee3e68 # [ 63.782611] 3e60: c0c54374 c0c548ec c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c693aa00 # [ 63.790801] 3e80: b6e0e000 00000004 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 # [ 63.798990] 3ea0: 00000000 c693aa00 b6e0e000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 # [ 63.807180] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 # [ 63.815368] 3ee0: b6e0e000 00020000 00000004 00000004 0001fffc c5ee3ee0 00000001 b6e0d000 # [ 63.823556] 3f00: c5a65540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.831746] 3f20: 00000000 00000000 c13a0ff0 9864547b c205dc60 c693aa00 c693aa00 c5ee2000 # [ 63.839935] 3f40: b6e0e000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 # [ 63.848123] 3f60: 00000000 00000000 c5ee3fac 9864547b 00000004 00000004 b6f55e00 00000004 # [ 63.856312] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 # [ 63.864500] 3fa0: c03000c0 c059b270 00000004 00000004 00000001 b6e0e000 00000004 00000000 # [ 63.872688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4 # [ 63.880876] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 800e0030 00000001 00000000 00000000 # [ 63.889057] Backtrace: # [ 63.891525] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.899111] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.907134] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.915065] r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754 # [ 63.922828] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.930672] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000 # [ 63.938428] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.945576] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00 # [ 63.953411] r4:c693aa00 # [ 63.955958] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.963105] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004 # [ 63.970862] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.978439] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) # [ 63.983500] 3fa0: 00000004 00000004 00000001 b6e0e000 00000004 00000000 # [ 63.991688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4 # [ 63.999873] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 # [ 64.004939] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 64.011047] ---[ end trace eec2cb921daffbbc ]--- # [ 64.015675] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.024555] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 693, name: cat # [ 64.032217] INFO: lockdep is turned off. # [ 64.036146] irq event stamp: 1614 # [ 64.039480] hardirqs last enabled at (1613): [] console_unlock+0x4b0/0x6c0 # [ 64.047323] hardirqs last disabled at (1614): [] __und_svc+0x60/0x6c # [ 64.054555] softirqs last enabled at (1412): [] __do_softirq+0x36c/0x5a0 # [ 64.062222] softirqs last disabled at (1395): [] __irq_exit_rcu+0x178/0x1d0 # [ 64.070061] CPU: 3 PID: 693 Comm: cat Tainted: G D 5.10.180-cip33 #1 # [ 64.077722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.084254] Backtrace: # [ 64.086728] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.094308] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8 # [ 64.099985] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.107315] [] (dump[ 64.896542] lkdtm: Performing direct entry WARNING _stack) from [] (___mig[ 64.901712] ------------[ cut here ]------------ ht_sleep+0x188/0x2e0) # [ 64.1[ 64.909203] WARNING: CPU: 2 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 15072] r9:600e0093 r8:0000000b r[ 64.920454] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 7:c035c4c4 r6:00000031 r5:c19c947[ 64.952160] CPU: 2 PID: 764 Comm: cat Tainted: G D W 5.10.180-cip33 #1 0 r4:c5ee2000 # [ 64.122828] [[ 64.962630] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] (___might_sleep) from[ 64.972018] Backtrace: [] (__might_sleep+0x70[ 64.977346] [] (dump_backtrace) from [] (show_stack+0x20/0x24) /0xb0) # [ 64.130667] r6:0000[ 64.987764] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 0000 r5:00000031 r4:c19c9470 # [[ 64.996291] [] (show_stack) from [] (dump_stack+0xe0/0x100) 64.135303] [] (__mig[ 65.006462] [] (dump_stack) from [] (__warn+0x98/0x14c) ht_sleep) from [] (exit[ 65.016276] r9:00000009 r8:c0c54940 r7:00000053 r6:00000009 r5:c0c54940 r4:c1acd6a0 _signals+0x4c/0x420) # [ 64.14[ 65.026883] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 3055] r6:00000001 r5:c5ee2000 r4[ 65.037223] r7:00000053 r6:c1acd6a0 r5:00000000 r4:c68ce000 :c46da880 # [ 64.147692] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 6da90>] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 65.067299] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) [ 64.155010] r8:0000000b r7:c1[ 65.078076] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) e0f84c r6:ffffe000 r5:00000000 r4[ 65.088946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) :c46da880 # [ 64.161727] [] (do_exit) from [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) >] (make_task_dead+0x68/0x74) # [ 65.121011] r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e37000 r5:c5c197c0 r4:00000000 [ 64.169041] r7:c1e0f84c # [ [ 65.131615] [] (vfs_write) from [] (ksys_write+0x74/0xec) 64.171591] [] (make_t[ 65.141611] r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c68ce000 r5:c5c197c0 ask_dead) from [] (die+[ 65.152295] r4:c5c197c0 0x370/0x37c) # [ 64.178739] [<[ 65.157697] [] (ksys_write) from [] (sys_write+0x18/0x1c) c030e5ec>] (die) from [[ 65.167692] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:00000008 r4:00000008 ] (do_undefinstr+0x170/0x240) # [ 65.178299] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 64.185798] r10:00000004 r9:c[ 65.188722] Exception stack(0xc68cffa8 to 0xc68cfff0) 5ee2000 r8:c15e8cf8 r7:00000000 r[ 65.196642] ffa0: 00000008 00000008 00000001 b6e37000 00000008 00000000 6:c5ee3dc8 r5:c0c548f4 # [ 64.[ 65.207679] ffc0: 00000008 00000008 b6f7ee00 00000004 00000001 00000000 00020000 be996ac4 193633] r4:e7f001f2 # [ 64.19[ 65.218712] ffe0: 00000004 be9967f8 b6ee8d8f b6e6f7e6 6180] [] (do_undefinstr[ 65.226701] irq event stamp: 0 ) from [] (__und_svc_fi[ 65.232580] hardirqs last enabled at (0): [<00000000>] 0x0 nish+0x0/0x54) # [ 64.204103] [ 65.241037] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 Exception stack(0xc5ee3dc8 to 0xc[ 65.251397] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 5ee3e10) # [ 64.209167] 3dc0: [ 65.261712] softirqs last disabled at (0): [<00000000>] 0x0 c15e8d00 ef7c05[ 65.270140] ---[ end trace eec2cb921daffbbd ]--- e0 9864547b c0c548e0 00000001 c6bef000 # [ 64.217357] 3de0: 00000004 c5ee3f60 c15e8cf8 c1accfe4 00000004 c5ee3e64 c5ee3e68 c5ee3e58 # [ 64.225543] 3e00: c0c54374 c0c548f4 a00e0013 ffffffff # [ 64.230605] r7:c5ee3dfc r6:ffffffff r5:a00e0013 r4:c0c548f8 # [ 64.236278] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.243859] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.251876] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.259803] r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754 # [ 64.267559] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.275399] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000 # [ 64.283154] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.290300] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00 # [ 64.298135] r4:c693aa00 # [ 64.300681] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.307828] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004 # [ 64.315583] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.323158] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) # [ 64.328220] 3fa0: 00000004 00000004 00000001 b6e0e000 00000004 00000000 # [ 64.336407] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4 # [ 64.344592] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 64.896542] lkdtm: Performing direct entry WARNING # [ 64.901712] ------------[ cut here ]------------ # [ 64.909203] WARNING: CPU: 2 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 64.920454] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 64.952160] CPU: 2 PID: 764 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 64.962630] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.972018] Backtrace: # [ 64.977346] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.987764] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 64.996291] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.006462] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.016276] r9:00000009 r8:c0c54940 r7:00000053 r6:00000009 r5:c0c54940 r4:c1acd6a0 # [ 65.026883] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.037223] r7:00000053 r6:c1acd6a0 r5:00000000 r4:c68ce000 # [ 65.045747] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 65.056694] r9:c1accfe8 r8:c15e8cf8 r7:c68cff60 r6:00000008 r5:c6c23000 r4:00000002 # [ 65.067299] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.078076] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.088946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.099716] r9:c68cff60 r8:c3082240 r7:00000008 r6:b6e37000 r5:c5c197c0 r4:c0c54754 # [ 65.110329] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.121011] r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e37000 r5:c5c197c0 r4:00000000 # [ 65.131615] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.141611] r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c68ce000 r5:c5c197c0 # [ 65.152295] r4:c5c197c0 # [ 65.157697] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.167692] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:00000008 r4:00000008 # [ 65.178299] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.188722] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 65.196642] ffa0: 00000008 00000008 00000001 b6e37000 00000008 00000000 # [ 65.207679] ffc0: 00000008 00000008 b6f7ee00 00000004 00000001 00000000 00020000 be996ac4 # [ 65.218712] ffe0: 00000004 be9967f8 b6ee8d8f b6e6f7e6 # [ 65.226701] irq event stamp: 0 # [ 65.232580] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.241037] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 65.689798] ------------[ cut here ]------------ # [ 65.251397] softirqs last [ 65.697293] WARNING: CPU: 0 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 enabled at (0): [] copy[ 65.709305] Warning message trigger count: 2 _process+0x5f8/0x1944 # [ 65.2[ 65.718544] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 61712] softirqs last disabled at [ 65.748172] CPU: 0 PID: 799 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 65.758637] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 65.765173] Backtrace: [ 65.767653] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 65.775235] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 65.780911] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 65.788238] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 65.795213] r9:00000009 r8:c0c54990 r7:00000058 r6:00000009 r5:c0c54990 r4:c1acd6a0 [ 65.802972] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 65.810463] r7:00000058 r6:c1acd6a0 r5:c1acd6bc r4:c5b0c000 [ 65.816142] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 65.824937] r9:c1accff0 r8:c15e8cf8 r7:c5b0df60 r6:00000010 r5:c6bc3000 r4:00000003 [ 65.832694] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) [ 65.841318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 65.849339] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 65.857267] r9:c5b0df60 r8:c3082240 r7:00000010 r6:b6e54000 r5:c5c032c0 r4:c0c54754 [ 65.865027] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 65.872868] r9:c07e0370 r8:c5b0df60 r7:c2815800 r6:b6e54000 r5:c5c032c0 r4:00000000 [ 65.880625] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 65.887771] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5b0c000 r5:c5c032c0 [ 65.895607] r4:c5c032c0 [ 65.898152] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 65.905299] r9:c5b0c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000010 r4:00000010 [ 65.913057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 65.920634] Exception stack(0xc5b0dfa8 to 0xc5b0dff0) [ 65.925698] dfa0: 00000010 00000010 00000001 b6e54000 00000010 00000000 [ 65.933890] dfc0: 00000010 00000010 b6f9be00 00000004 00000001 00000000 00020000 bebe7ac4 [ 65.942075] dfe0: 00000004 bebe77f8 b6f05d8f b6e8c7e6 (0): [<00000000>] 0x0 # [ 65.2[ 65.947204] irq event stamp: 0 70140] ---[ end trace eec2cb921da[ 65.953128] hardirqs last enabled at (0): [<00000000>] 0x0 ffbbd ]--- # WARNING: saw 'WARNI[ 65.961589] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 NG:': ok ok 3 selftests: lkdtm: [ 65.971955] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 WARNING.sh # selftests: lkdtm: W[ 65.982320] softirqs last disabled at (0): [<00000000>] 0x0 ARNING_MESSAGE.sh [ 65.990766] ---[ end trace eec2cb921daffbbe ]--- # [ 65.682355] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.689798] ------------[ cut here ]------------ # [ 65.697293] WARNING: CPU: 0 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 65.709305] Warning message trigger count: 2 # [ 65.718544] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 65.748172] CPU: 0 PID: 799 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 65.758637] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.765173] Backtrace: # [ 65.767653] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.775235] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 65.780911] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.788238] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.795213] r9:00000009 r8:c0c54990 r7:00000058 r6:00000009 r5:c0c54990 r4:c1acd6a0 # [ 65.802972] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.810463] r7:00000058 r6:c1acd6a0 r5:c1acd6bc r4:c5b0c000 # [ 65.816142] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 65.824937] r9:c1accff0 r8:c15e8cf8 r7:c5b0df60 r6:00000010 r5:c6bc3000 r4:00000003 # [ 65.832694] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.841318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.849339] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.857267] r9:c5b0df60 r8:c3082240 r7:00000010 r6:b6e54000 r5:c5c032c0 r4:c0c54754 # [ 65.865027] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.872868] r9:c07e0370 r8:c5b0df60 r7:c2815800 r6:b6e54000 r5:c5c032c0 r4:00000000 # [ 65.880625] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.887771] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5b0c000 r5:c5c032c0 # [ 65.895607] r4:c5c032c0 # [ 65.898152] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.905299] r9:c5b0c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000010 r4:00000010 # [ 65.913057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.920634] Exception stack(0xc5b0dfa8 to 0xc5b0dff0) # [ 65.925698] dfa0: 00000010 00000010 00000001 b6e54000 00000010 00000000 # [ 65.933890] dfc0: 00000010 00000010 b6f9be00 00000004 00000001 00000000 00020000 bebe7ac4 # [ 65.942075] dfe0: 00000004 bebe77f8 b6f05d8f b6e8c7e6 # [ 65.947204] irq event stamp: 0 # [ 65.953128] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.961589] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 65.971955] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 65.982320] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.990766] ---[ end trace eec2cb921daffbbe ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 66.405924] lkdtm: Performing direct entry EXCEPTION [ 66.411031] 8<--- cut here --- [ 66.414103] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 66.422253] pgd = 1d79727b [ 66.425003] [00000000] *pgd=00000000 [ 66.428659] Internal error: Oops: 805 [#2] SMP ARM [ 66.433465] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 66.462527] CPU: 2 PID: 831 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 66.470193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 66.476739] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 66.481193] LR is at lkdtm_do_action+0x2c/0x4c [ 66.485647] pc : [] lr : [] psr: a00e0013 [ 66.491921] sp : c5ee3e58 ip : c5ee3e68 fp : c5ee3e64 [ 66.497153] r10: 0000000a r9 : c1acd000 r8 : c15e8cf8 [ 66.502386] r7 : c5ee3f60 r6 : 0000000a r5 : c5e40000 r4 : 00000004 [ 66.508920] r3 : 00000000 r2 : 63d8488c r1 : ef7ab5e0 r0 : c15e8d18 [ 66.515458] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 66.522604] Control: 10c5387d Table: 16e5004a DAC: 00000051 [ 66.528361] Process cat (pid: 831, stack limit = 0xc6e72e69) [ 66.534027] Stack: (0xc5ee3e58 to 0xc5ee4000) [ 66.538394] 3e40: c5ee3e74 c5ee3e68 [ 66.546586] 3e60: c0c54374 c0c549a4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5c023c0 [ 66.554774] 3e80: b6e37000 0000000a c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 [ 66.562964] 3ea0: 00000000 c5c023c0 b6e37000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 [ 66.571154] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 [ 66.579342] 3ee0: b6e37000 00020000 00000004 0000000a 0001fff6 c5ee3ee0 00000001 b6e36000 [ 66.587530] 3f00: c5a64c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 66.595719] 3f20: 00000000 00000000 c13a0ff0 63d8488c c205dc60 c5c023c0 c5c023c0 c5ee2000 [ 66.603911] 3f40: b6e37000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 [ 66.612100] 3f60: 00000000 00000000 c5ee3fac 63d8488c 0000000a 0000000a b6f7ee00 00000004 [ 66.620289] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 [ 66.628477] 3fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e37000 0000000a 00000000 [ 66.636666] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4 [ 66.644855] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6 800e0030 00000001 00000000 00000000 [ 66.653037] Backtrace: [ 66.655506] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 66.663611] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 66.671635] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 66.679568] r9:c5ee3f60 r8:c3082240 r7:0000000a r6:b6e37000 r5:c5c023c0 r4:c0c54754 [ 66.687330] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 66.695172] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e37000 r5:c5c023c0 r4:00000000 [ 66.702928] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 66.710076] r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c5ee2000 r5:c5c023c0 [ 66.717913] r4:c5c023c0 [ 66.720460] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 66.727608] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:0000000a r4:0000000a [ 66.735370] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 66.742947] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) [ 66.748011] 3fa0: 0000000a 0000000a 00000001 b6e37000 0000000a 00000000 [ 66.756198] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4 [ 66.764383] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6 [ 66.769446] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 66.775616] ---[ end trace eec2cb921daffbbf ]--- # Segmentation fault # [ 66.405924] lkdtm: Performing direct entry EXCEPTION # [ 66.411031] 8<--- cut here --- # [ 66.414103] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 66.422253] pgd = 1d79727b # [ 66.425003] [00000000] *pgd=00000000 # [ 66.428659] Internal error: Oops: 805 [#2] SMP ARM # [ 66.433465] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 66.462527] CPU: 2 PID: 831 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 66.470193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.476739] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 66.481193] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.485647] pc : [] lr : [] psr: a00e0013 # [ 66.491921] sp : c5ee3e58 ip : c5ee3e68 fp : c5ee3e64 # [ 66.497153] r10: 0000000a r9 : c1acd000 r8 : c15e8cf8 # [ 66.502386] r7 : c5ee3f60 r6 : 0000000a r5 : c5e40000 r4 : 00000004 # [ 66.508920] r3 : 00000000 r2 : 63d8488c r1 : ef7ab5e0 r0 : c15e8d18 # [ 66.515458] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.522604] Control: 10c5387d Table: 16e5004a DAC: 00000051 # [ 66.528361] Process cat (pid: 831, stack limit = 0xc6e72e69) # [ 66.534027] Stack: (0xc5ee3e58 to 0xc5ee4000) # [ 66.538394] 3e40: c5ee3e74 c5ee3e68 # [ 66.546586] 3e60: c0c54374 c0c549a4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5c023c0 # [ 66.554774] 3e80: b6e37000 0000000a c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 # [ 66.562964] 3ea0: 00000000 c5c023c0 b6e37000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 # [ 66.571154] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 # [ 66.579342] 3ee0: b6e37000 00020000 00000004 0000000a 0001fff6 c5ee3ee0 00000001 b6e36000 # [ 66.587530] 3f00: c5a64c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.595719] 3f20: 00000000 00000000 c13a0ff0 63d8488c c205dc60 c5c023c0 c5c023c0 c5ee2000 # [ 66.603911] 3f40: b6e37000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 # [ 66.612100] 3f60: 00000000 00000000 c5ee3fac 63d8488c 0000000a 0000000a b6f7ee00 00000004 # [ 66.620289] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 # [ 66.628477] 3fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e37000 0000000a 00000000 # [ 66.636666] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4 # [ 66.644855] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6 800e0030 00000001 00000000 00000000 # [ 66.653037] Backtrace: # [ 66.655506] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.663611] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.671635] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.679568] r9:c5ee3f60 r8:c3082240 r7:0000000a r6:b6e37000 r5:c5c023c0 r4:c0c54754 # [ 66.687330] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.695172] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e37000 r5:c5c023c0 r4:00000000 # [ 66.702928] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.710076] r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c5ee2000 r5:c5c023c0 # [ 66.717913] r4:c5c023c0 # [ 66.720460] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.727608] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:0000000a r4:0000000a # [ 66.735370] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.742947] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) # [ 66.748011] 3fa0: 0000000a 0000000a 00000001 b6e37000 0000000a 00000000 # [ 66.756198] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4 # [ 66.764383] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6 # [ 66.769446] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 66.775616] ---[ end trace eec2cb921daffbbf ]--- # 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 [ 68.158247] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 68.163844] lkdtm: attempting good list addition [ 68.168521] lkdtm: attempting corrupted list addition [ 68.173588] lkdtm: list_add() corruption not detected! # [ 68.158247] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.163844] lkdtm: attempting good list addition # [ 68.168521] lkdtm: attempting corrupted list addition # [ 68.173588] 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 [ 68.583263] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.588927] lkdtm: attempting good list removal [ 68.593471] lkdtm: attempting corrupted list removal [ 68.598486] lkdtm: list_del() corruption not detected! # [ 68.583263] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.588927] lkdtm: attempting good list removal # [ 68.593471] lkdtm: attempting corrupted list removal # [ 68.598486] 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 [ 68.965309] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 68.971669] lkdtm: attempting bad read from page below current stack [ 68.978112] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.965309] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.971669] lkdtm: attempting bad read from page below current stack # [ 68.978112] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 69.357964] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 69.364343] lkdtm: attempting bad read from page above current stack [ 69.370802] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 69.357964] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.364343] lkdtm: attempting bad read from page above current stack # [ 69.370802] 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 [ 69.770552] lkdtm: Performing direct entry UNSET_SMEP [ 69.775712] lkdtm: XFAIL: this test is x86_64-only # [ 69.770552] lkdtm: Performing direct entry UNSET_SMEP # [ 69.775712] 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 [ 70.173283] lkdtm: Performing direct entry DOUBLE_FAULT [ 70.178677] lkdtm: XFAIL: this test is ia32-only # [ 70.173283] lkdtm: Performing direct entry DOUBLE_FAULT # [ 70.178677] 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 [ 70.611282] lkdtm: Performing direct entry CORRUPT_PAC [ 70.616471] lkdtm: XFAIL: this test is arm64-only # [ 70.611282] lkdtm: Performing direct entry CORRUPT_PAC # [ 70.616471] 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 [ 71.038301] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 71.044768] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 71.038301] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.044768] 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 [ 71.901386] lkdtm: Performing direct entry READ_AFTER_FREE [ 71.906933] lkdtm: Value in memory before free: 12345678 [ 71.912440] lkdtm: Attempting bad read from freed memory [ 71.917895] lkdtm: Memory was not poisoned # [ 71.901386] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.906933] lkdtm: Value in memory before free: 12345678 # [ 71.912440] lkdtm: Attempting bad read from freed memory # [ 71.917895] 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 [ 72.534219] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 72.540372] lkdtm: Value in memory before free: 12345678 [ 72.545725] lkdtm: Attempting to read from freed memory [ 72.551140] lkdtm: Buddy page was not poisoned # [ 72.534219] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.540372] lkdtm: Value in memory before free: 12345678 # [ 72.545725] lkdtm: Attempting to read from freed memory # [ 72.551140] 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 [ 72.940605] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.946217] lkdtm: Attempting double slab free ... # [ 72.940605] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.946217] 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 [ 73.334573] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 73.340285] lkdtm: Attempting cross-cache slab free ... # [ 73.334573] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.340285] 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 [ 73.730310] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.735767] lkdtm: Attempting non-Slab slab free ... # [ 73.730310] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.735767] 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 [ 75.053267] lkdtm: Performing direct entry EXEC_DATA [ 75.058321] lkdtm: attempting ok execution at c0c550e4 [ 75.063478] lkdtm: attempting bad execution at c26f892c [ 75.068788] 8<--- cut here --- [ 75.071856] Unable to handle kernel paging request at virtual address c26f892c [ 75.079091] pgd = 69c8bd1c [ 75.081806] [c26f892c] *pgd=1261141e(bad) [ 75.085843] Internal error: Oops: 8000000d [#3] SMP ARM [ 75.091078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 75.120152] CPU: 1 PID: 1674 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 75.127902] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 75.134447] PC is at data_area+0x0/0x40 [ 75.138301] LR is at execute_location+0xa4/0xb4 [ 75.142841] pc : [] lr : [] psr: 600e0013 [ 75.149116] sp : c6957e38 ip : c6957d40 fp : c6957e54 [ 75.154348] r10: 0000000a r9 : c1acd1e4 r8 : c15e8cf8 [ 75.159580] r7 : c6957f60 r6 : 00000001 r5 : c26f892c r4 : c0c550e4 [ 75.166114] r3 : 0a37a751 r2 : 0a37a751 r1 : ef7965e0 r0 : 0000002b [ 75.172650] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 75.179794] Control: 10c5387d Table: 16cd804a DAC: 00000051 [ 75.185549] Process cat (pid: 1674, stack limit = 0xefeb9716) [ 75.191302] Stack: (0xc6957e38 to 0xc6958000) [ 75.195671] 7e20: 0000001f c5e44000 [ 75.203861] 7e40: 0000000a c6957f60 c6957e64 c6957e58 c138bca4 c138baa0 c6957e74 c6957e68 [ 75.212049] 7e60: c0c54374 c138bc8c c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c5aedcc0 [ 75.220238] 7e80: b6dc5000 0000000a c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760 [ 75.228426] 7ea0: 00000000 c5aedcc0 b6dc5000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8 [ 75.236613] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6956000 [ 75.244801] 7ee0: b6dc5000 00020000 00000004 0000000a 0001fff6 c6957ee0 00000001 b6dc4000 [ 75.252989] 7f00: c68e8500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.261178] 7f20: 00000000 00000000 c13a0ff0 0a37a751 c205dc60 c5aedcc0 c5aedcc0 c6956000 [ 75.269368] 7f40: b6dc5000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40 [ 75.277557] 7f60: 00000000 00000000 c6957fac 0a37a751 0000000a 0000000a b6f0ce00 00000004 [ 75.285746] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8 [ 75.293934] 7fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6dc5000 0000000a 00000000 [ 75.302123] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4 [ 75.310310] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6 800e0030 00000001 00000000 00000000 [ 75.318493] Backtrace: [ 75.320966] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 75.329156] r7:c6957f60 r6:0000000a r5:c5e44000 r4:0000001f [ 75.334833] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 75.342936] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 75.350957] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 75.358886] r9:c6957f60 r8:c3082240 r7:0000000a r6:b6dc5000 r5:c5aedcc0 r4:c0c54754 [ 75.366647] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 75.374489] r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dc5000 r5:c5aedcc0 r4:00000000 [ 75.382247] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 75.389397] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6956000 r5:c5aedcc0 [ 75.397233] r4:c5aedcc0 [ 75.399780] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 75.406927] r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:0000000a r4:0000000a [ 75.414688] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 75.422263] Exception stack(0xc6957fa8 to 0xc6957ff0) [ 75.427325] 7fa0: 0000000a 0000000a 00000001 b6dc5000 0000000a 00000000 [ 75.435513] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4 [ 75.443700] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6 [ 75.448765] Code: 00000000 c2c066c0 c2c06780 c2c06840 (e1a0c00d) [ 75.454872] ---[ end trace eec2cb921daffbc0 ]--- # Segmentation fault # [ 75.053267] lkdtm: Performing direct entry EXEC_DATA # [ 75.058321] lkdtm: attempting ok execution at c0c550e4 # [ 75.063478] lkdtm: attempting bad execution at c26f892c # [ 75.068788] 8<--- cut here --- # [ 75.071856] Unable to handle kernel paging request at virtual address c26f892c # [ 75.079091] pgd = 69c8bd1c # [ 75.081806] [c26f892c] *pgd=1261141e(bad) # [ 75.085843] Internal error: Oops: 8000000d [#3] SMP ARM # [ 75.091078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 75.120152] CPU: 1 PID: 1674 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 75.127902] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.134447] PC is at data_area+0x0/0x40 # [ 75.138301] LR is at execute_location+0xa4/0xb4 # [ 75.142841] pc : [] lr : [] psr: 600e0013 # [ 75.149116] sp : c6957e38 ip : c6957d40 fp : c6957e54 # [ 75.154348] r10: 0000000a r9 : c1acd1e4 r8 : c15e8cf8 # [ 75.159580] r7 : c6957f60 r6 : 00000001 r5 : c26f892c r4 : c0c550e4 # [ 75.166114] r3 : 0a37a751 r2 : 0a37a751 r1 : ef7965e0 r0 : 0000002b # [ 75.172650] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.179794] Control: 10c5387d Table: 16cd804a DAC: 00000051 # [ 75.185549] Process cat (pid: 1674, stack limit = 0xefeb9716) # [ 75.191302] Stack: (0xc6957e38 to 0xc6958000) # [ 75.195671] 7e20: 0000001f c5e44000 # [ 75.203861] 7e40: 0000000a c6957f60 c6957e64 c6957e58 c138bca4 c138baa0 c6957e74 c6957e68 # [ 75.212049] 7e60: c0c54374 c138bc8c c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c5aedcc0 # [ 75.220238] 7e80: b6dc5000 0000000a c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760 # [ 75.228426] 7ea0: 00000000 c5aedcc0 b6dc5000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8 # [ 75.236613] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6956000 # [ 75.244801] 7ee0: b6dc5000 00020000 00000004 0000000a 0001fff6 c6957ee0 00000001 b6dc4000 # [ 75.252989] 7f00: c68e8500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.261178] 7f20: 00000000 00000000 c13a0ff0 0a37a751 c205dc60 c5aedcc0 c5aedcc0 c6956000 # [ 75.269368] 7f40: b6dc5000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40 # [ 75.277557] 7f60: 00000000 00000000 c6957fac 0a37a751 0000000a 0000000a b6f0ce00 00000004 # [ 75.285746] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8 # [ 75.293934] 7fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6dc5000 0000000a 00000000 # [ 75.302123] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4 # [ 75.310310] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6 800e0030 00000001 00000000 00000000 # [ 75.318493] Backtrace: # [ 75.320966] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 75.329156] r7:c6957f60 r6:0000000a r5:c5e44000 r4:0000001f # [ 75.334833] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.342936] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.350957] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.358886] r9:c6957f60 r8:c3082240 r7:0000000a r6:b6dc5000 r5:c5aedcc0 r4:c0c54754 # [ 75.366647] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.374489] r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dc5000 r5:c5aedcc0 r4:00000000 # [ 75.382247] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.389397] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6956000 r5:c5aedcc0 # [ 75.397233] r4:c5aedcc0 # [ 75.399780] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.406927] r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:0000000a r4:0000000a # [ 75.414688] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.422263] Exception stack(0xc6957fa8 to 0xc6957ff0) # [ 75.427325] 7fa0: 0000000a 0000000a 00000001 b6dc5000 0000000a 00000000 # [ 75.435513] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4 # [ 75.443700] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6 # [ 75.448765] Code: 00000000 c2[ 75.975341] lkdtm: Performing direct entry EXEC_STACK c066c0 c2c06780 c2c06840 (e1a0c00[ 75.981960] lkdtm: attempting ok execution at c0c550e4 d) # [ 75.454872] ---[ end tr[ 75.990050] lkdtm: attempting bad execution at c691fe0c ace eec2cb921daffbc0 ]--- # EXEC[ 75.998069] 8<--- cut here --- _DATA: missing 'call trace:[' : 76.003893] Unable to handle kernel paging request at virtual address c691fe0c [FAIL] not ok 30 sel[f t e s7t6s013635] pgd = 94a17a0b : lkdtm: EXEC_DATA.sh # exit=1 #[ 76.018602] [c691fe0c] *pgd=1681141e(bad) selftests: lkdtm: EXEC_STACK.sh [ 76.025492] Internal error: Oops: 8000000d [#4] SMP ARM [ 76.033574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 76.062856] CPU: 3 PID: 1750 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 76.070620] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 76.077176] PC is at 0xc691fe0c [ 76.080359] LR is at execute_location+0xa4/0xb4 [ 76.084916] pc : [] lr : [] psr: 600e0013 [ 76.091204] sp : c691fde8 ip : c691fcf0 fp : c691fe04 [ 76.096448] r10: 0000000b r9 : c1acd1f0 r8 : c15e8cf8 [ 76.101696] r7 : c691ff60 r6 : 00000001 r5 : c691fe0c r4 : c0c550e4 [ 76.108245] r3 : 79d2a9af r2 : 79d2a9af r1 : ef7c05e0 r0 : 0000002b [ 76.114798] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 76.121957] Control: 10c5387d Table: 15e7004a DAC: 00000051 [ 76.127726] Process cat (pid: 1750, stack limit = 0x30131618) [ 76.133497] Stack: (0xc691fde8 to 0xc6920000) [ 76.137888] fde0: c691e000 c6bfd000 0000000b c691ff60 c691fe64 c691fe08 [ 76.146096] fe00: c138bce0 c138baa0 c691fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 76.154303] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 [ 76.162511] fe40: e3a02040 e3a01d33 e5930018 79d2a9af 0000000b 00000020 c691fe74 c691fe68 [ 76.170718] fe60: c0c54374 c138bcb4 c691fe9c c691fe78 c0c54874 c0c54354 c0c54754 c68e9a40 [ 76.178924] fe80: b6e74000 0000000b c3082240 c691ff60 c691fec4 c691fea0 c07e03d4 c0c54760 [ 76.187131] fea0: 00000000 c68e9a40 b6e74000 c2815800 c691ff60 c07e0370 c691ff5c c691fec8 [ 76.195342] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c691e000 [ 76.203548] fee0: b6e74000 00020000 00000004 0000000b 0001fff5 c691fee0 00000001 b6e73000 [ 76.211754] ff00: c5c5c140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 76.219962] ff20: 00000000 00000000 c13a0ff0 79d2a9af c205dc60 c68e9a40 c68e9a40 c691e000 [ 76.228170] ff40: b6e74000 00000000 00000000 00000004 c691ff94 c691ff60 c059b1ec c059ab40 [ 76.236378] ff60: 00000000 00000000 c691ffac 79d2a9af 0000000b 0000000b b6fbbe00 00000004 [ 76.244586] ff80: c03002e4 c691e000 c691ffa4 c691ff98 c059b27c c059b184 00000000 c691ffa8 [ 76.252794] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 [ 76.261003] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4 [ 76.269210] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000 [ 76.277406] Backtrace: [ 76.279916] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 76.288215] r7:c691ff60 r6:0000000b r5:c6bfd000 r4:c691e000 [ 76.293915] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 76.302114] r4:00000020 [ 76.304681] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 76.312725] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 76.320672] r9:c691ff60 r8:c3082240 r7:0000000b r6:b6e74000 r5:c68e9a40 r4:c0c54754 [ 76.328456] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 76.336316] r9:c07e0370 r8:c691ff60 r7:c2815800 r6:b6e74000 r5:c68e9a40 r4:00000000 [ 76.344092] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 76.351256] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c691e000 r5:c68e9a40 [ 76.359105] r4:c68e9a40 [ 76.361670] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 76.368834] r9:c691e000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000b r4:0000000b [ 76.376612] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 76.384201] Exception stack(0xc691ffa8 to 0xc691fff0) [ 76.389280] ffa0: 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 [ 76.397486] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4 [ 76.405687] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6 [ 76.410770] Code: c691fe08 c138bce0 c138baa0 c691fe6c (e1a0c00d) [ 76.416896] ---[ end trace eec2cb921daffbc1 ]--- # Segmentation fault # [ 75.975341] lkdtm: Performing direct entry EXEC_STACK # [ 75.981960] lkdtm: attempting ok execution at c0c550e4 # [ 75.990050] lkdtm: attempting bad execution at c691fe0c # [ 75.998069] 8<--- cut here --- # [ 76.003893] Unable to handle kernel paging request at virtual address c691fe0c # [ 76.013635] pgd = 94a17a0b # [ 76.018602] [c691fe0c] *pgd=1681141e(bad) # [ 76.025492] Internal error: Oops: 8000000d [#4] SMP ARM # [ 76.033574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 76.062856] CPU: 3 PID: 1750 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 76.070620] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.077176] PC is at 0xc691fe0c # [ 76.080359] LR is at execute_location+0xa4/0xb4 # [ 76.084916] pc : [] lr : [] psr: 600e0013 # [ 76.091204] sp : c691fde8 ip : c691fcf0 fp : c691fe04 # [ 76.096448] r10: 0000000b r9 : c1acd1f0 r8 : c15e8cf8 # [ 76.101696] r7 : c691ff60 r6 : 00000001 r5 : c691fe0c r4 : c0c550e4 # [ 76.108245] r3 : 79d2a9af r2 : 79d2a9af r1 : ef7c05e0 r0 : 0000002b # [ 76.114798] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.121957] Control: 10c5387d Table: 15e7004a DAC: 00000051 # [ 76.127726] Process cat (pid: 1750, stack limit = 0x30131618) # [ 76.133497] Stack: (0xc691fde8 to 0xc6920000) # [ 76.137888] fde0: c691e000 c6bfd000 0000000b c691ff60 c691fe64 c691fe08 # [ 76.146096] fe00: c138bce0 c138baa0 c691fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 76.154303] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 76.162511] fe40: e3a02040 e3a01d33 e5930018 79d2a9af 0000000b 00000020 c691fe74 c691fe68 # [ 76.170718] fe60: c0c54374 c138bcb4 c691fe9c c691fe78 c0c54874 c0c54354 c0c54754 c68e9a40 # [ 76.178924] fe80: b6e74000 0000000b c3082240 c691ff60 c691fec4 c691fea0 c07e03d4 c0c54760 # [ 76.187131] fea0: 00000000 c68e9a40 b6e74000 c2815800 c691ff60 c07e0370 c691ff5c c691fec8 # [ 76.195342] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c691e000 # [ 76.203548] fee0: b6e74000 00020000 00000004 0000000b 0001fff5 c691fee0 00000001 b6e73000 # [ 76.211754] ff00: c5c5c140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.219962] ff20: 00000000 00000000 c13a0ff0 79d2a9af c205dc60 c68e9a40 c68e9a40 c691e000 # [ 76.228170] ff40: b6e74000 00000000 00000000 00000004 c691ff94 c691ff60 c059b1ec c059ab40 # [ 76.236378] ff60: 00000000 00000000 c691ffac 79d2a9af 0000000b 0000000b b6fbbe00 00000004 # [ 76.244586] ff80: c03002e4 c691e000 c691ffa4 c691ff98 c059b27c c059b184 00000000 c691ffa8 # [ 76.252794] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 # [ 76.261003] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4 # [ 76.269210] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000 # [ 76.277406] Backtrace: # [ 76.279916] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 76.288215] r7:c691ff60 r6:0000000b r5:c6bfd000 r4:c691e000 # [ 76.293915] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.302114] r4:00000020 # [ 76.304681] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.312725] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.320672] r9:c691ff60 r8:c3082240 r7:0000000b r6:b6e74000 r5:c68e9a40 r4:c0c54754 # [ 76.328456] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.336316] r9:c07e0370 r8:c691ff60 r7:c2815800 r6:b6e74000 r5:c68e9a40 r4:00000000 # [ 76.344092] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.351256] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c691e000 r5:c68e9a40 # [ 76.359105] r4:c68e9a40 # [ 76.361670] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.368834] r9:c691e000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000b r4:0000000b # [ 76.376612] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.384201] Exception stack(0xc691ffa8 to 0xc691fff0) # [ 76.389280] ffa0: 0000000b 0000000b 00000001 b6e74000 0000000b 00000000 # [ 76.397486] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4 # [ 76.405687] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6 # [ 76.410770] Code: c691fe08 c138bce0 c138baa0 c691fe6c (e1a0c00d) # [ 76.416896] ---[ end trace eec2cb921daffbc1 ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftes[ 76.953410] lkdtm: Performing direct entry EXEC_KMALLOC ts: lkdtm: EXEC_STACK.sh # exit=1[ 76.960325] lkdtm: attempting ok execution at c0c550e4 # selftests: lkdtm: EXEC_KMALLO[ 76.968361] lkdtm: attempting bad execution at c46c0380 C.sh [ 76.976314] 8<--- cut here --- [ 76.979877] Unable to handle kernel paging request at virtual address c46c0380 [ 76.987109] pgd = 8fdcfabc [ 76.989823] [c46c0380] *pgd=1461141e(bad) [ 76.993859] Internal error: Oops: 8000000d [#5] SMP ARM [ 76.999093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 77.028169] CPU: 1 PID: 1830 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 77.035919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 77.042458] PC is at 0xc46c0380 [ 77.045619] LR is at execute_location+0xa4/0xb4 [ 77.050158] pc : [] lr : [] psr: 600e0013 [ 77.056433] sp : c5d59e30 ip : 00000027 fp : c5d59e4c [ 77.061665] r10: 0000000d r9 : c1acd1fc r8 : c15e8cf8 [ 77.066898] r7 : c5d59f60 r6 : 00000001 r5 : c46c0380 r4 : c0c550e4 [ 77.073433] r3 : 77c6c772 r2 : 77c6c772 r1 : ef7965e4 r0 : 0000002b [ 77.079970] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 77.087114] Control: 10c5387d Table: 16d1c04a DAC: 00000051 [ 77.092868] Process cat (pid: 1830, stack limit = 0x19e87949) [ 77.098622] Stack: (0xc5d59e30 to 0xc5d5a000) [ 77.102991] 9e20: c46c0380 c5e44000 0000000d c5d59f60 [ 77.111183] 9e40: c5d59e64 c5d59e50 c0c55134 c138baa0 00000021 c5e44000 c5d59e74 c5d59e68 [ 77.119372] 9e60: c0c54374 c0c55108 c5d59e9c c5d59e78 c0c54874 c0c54354 c0c54754 c5c5d040 [ 77.127562] 9e80: b6df7000 0000000d c3082240 c5d59f60 c5d59ec4 c5d59ea0 c07e03d4 c0c54760 [ 77.135752] 9ea0: 00000000 c5c5d040 b6df7000 c2815800 c5d59f60 c07e0370 c5d59f5c c5d59ec8 [ 77.143941] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c46d2424 c059b1ec c5d58000 [ 77.152130] 9ee0: b6df7000 00020000 00000004 0000000d 0001fff3 c5d59ee0 00000001 00000805 [ 77.160318] 9f00: c5987b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 77.168507] 9f20: 00000000 00000000 c5d58000 77c6c772 b6df6000 c5c5d040 c5c5d040 c5d58000 [ 77.176696] 9f40: b6df7000 00000000 00000000 00000004 c5d59f94 c5d59f60 c059b1ec c059ab40 [ 77.184886] 9f60: 00000000 00000000 c5d59fac 77c6c772 0000000d 0000000d b6f3ee00 00000004 [ 77.193074] 9f80: c03002e4 c5d58000 c5d59fa4 c5d59f98 c059b27c c059b184 00000000 c5d59fa8 [ 77.201263] 9fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6df7000 0000000d 00000000 [ 77.209452] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4 [ 77.217640] 9fe0: 00000004 bef8e7f8 b6ea8d8f b6e2f7e6 800e0030 00000001 00000000 00000000 [ 77.225822] Backtrace: [ 77.228299] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 77.236750] r7:c5d59f60 r6:0000000d r5:c5e44000 r4:c46c0380 [ 77.242422] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 77.250780] r5:c5e44000 r4:00000021 [ 77.254368] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 77.262390] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 77.270318] r9:c5d59f60 r8:c3082240 r7:0000000d r6:b6df7000 r5:c5c5d040 r4:c0c54754 [ 77.278080] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 77.285924] r9:c07e0370 r8:c5d59f60 r7:c2815800 r6:b6df7000 r5:c5c5d040 r4:00000000 [ 77.293682] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 77.300829] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c5d58000 r5:c5c5d040 [ 77.308666] r4:c5c5d040 [ 77.311215] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 77.318361] r9:c5d58000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:0000000d r4:0000000d [ 77.326121] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 77.333698] Exception stack(0xc5d59fa8 to 0xc5d59ff0) [ 77.338762] 9fa0: 0000000d 0000000d 00000001 b6df7000 0000000d 00000000 [ 77.346953] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4 [ 77.355140] 9fe0: 00000004 bef8e7f8 b6ea8d8f b6e2f7e6 [ 77.360205] Code: 00160017 e7fddef0 e7fddef0 e7fddef0 (e1a0c00d) [ 77.366314] ---[ end trace eec2cb921daffbc2 ]--- # Segmentation fault # [ 76.953410] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.960325] lkdtm: attempting ok execution at c0c550e4 # [ 76.968361] lkdtm: attempting bad execution at c46c0380 # [ 76.976314] 8<--- cut here --- # [ 76.979877] Unable to handle kernel paging request at virtual address c46c0380 # [ 76.987109] pgd = 8fdcfabc # [ 76.989823] [c46c0380] *pgd=1461141e(bad) # [ 76.993859] Internal error: Oops: 8000000d [#5] SMP ARM # [ 76.999093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 77.028169] CPU: 1 PID: 1830 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 77.035919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.042458] PC is at 0xc46c0380 # [ 77.045619] LR is at execute_location+0xa4/0xb4 # [ 77.050158] pc : [] lr : [] psr: 600e0013 # [ 77.056433] sp : c5d59e30 ip : 00000027 fp : c5d59e4c # [ 77.061665] r10: 0000000d r9 : c1acd1fc r8 : c15e8cf8 # [ 77.066898] r7 : c5d59f60 r6 : 00000001 r5 : c46c0380 r4 : c0c550e4 # [ 77.073433] r3 : 77c6c772 r2 : 77c6c772 r1 : ef7965e4 r0 : 0000002b # [ 77.079970] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.087114] Control: 10c5387d Table: 16d1c04a DAC: 00000051 # [ 77.092868] Process cat (pid: 1830, stack limit = 0x19e87949) # [ 77.098622] Stack: (0xc5d59e30 to 0xc5d5a000) # [ 77.102991] 9e20: c46c0380 c5e44000 0000000d c5d59f60 # [ 77.111183] 9e40: c5d59e64 c5d59e50 c0c55134 c138baa0 00000021 c5e44000 c5d59e74 c5d59e68 # [ 77.119372] 9e60: c0c54374 c0c55108 c5d59e9c c5d59e78 c0c54874 c0c54354 c0c54754 c5c5d040 # [ 77.127562] 9e80: b6df7000 0000000d c3082240 c5d59f60 c5d59ec4 c5d59ea0 c07e03d4 c0c54760 # [ 77.135752] 9ea0: 00000000 c5c5d040 b6df7000 c2815800 c5d59f60 c07e0370 c5d59f5c c5d59ec8 # [ 77.143941] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c46d2424 c059b1ec c5d58000 # [ 77.152130] 9ee0: b6df7000 00020000 00000004 0000000d 0001fff3 c5d59ee0 00000001 00000805 # [ 77.160318] 9f00: c5987b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.168507] 9f20: 00000000 00000000 c5d58000 77c6c772 b6df6000 c5c5d040 c5c5d040 c5d58000 # [ 77.176696] 9f40: b6df7000 00000000 00000000 00000004 c5d59f94 c5d59f60 c059b1ec c059ab40 # [ 77.184886] 9f60: 00000000 00000000 c5d59fac 77c6c772 0000000d 0000000d b6f3ee00 00000004 # [ 77.193074] 9f80: c03002e4 c5d58000 c5d59fa4 c5d59f98 c059b27c c059b184 00000000 c5d59fa8 # [ 77.201263] 9fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6df7000 0000000d 00000000 # [ 77.209452] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4 # [ 77.217640] 9fe0: 00000004 bef8e7f8 b6ea8d8f b6e2f7e6 800e0030 00000001 00000000 00000000 # [ 77.225822] Backtrace: # [ 77.228299] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 77.236750] r7:c5d59f60 r6:0000000d r5:c5e44000 r4:c46c0380 # [ 77.242422] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.250780] r5:c5e44000 r4:00000021 # [ 77.254368] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.262390] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.270318] r9:c5d59f60 r8:c3082240 r7:0000000d r6:b6df7000 r5:c5c5d040 r4:c0c54754 # [ 77.278080] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.285924] r9:c07e0370 r8:c5d59f60 r7:c2815800 r6:b6df7000 r5:c5c5d040 r4:00000000 # [ 77.293682] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.300829] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c5d58000 r5:c5c5d040 # [ 77.308666] r4:c5c5d040 # [ 77.311215] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.318361] r9:c5d58000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:0000000d r4:0000000d # [ 77.326121] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.333698] Exception stack(0xc5d59fa8 to 0xc5d59ff0) # [ 77.338762] 9fa0: 0000000d 0000000d 00000001 b6df7000 0000000d 00000000 # [ 77.346953] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4 # [ 77.35[ 77.906473] lkdtm: Performing direct entry EXEC_VMALLOC 5140] 9fe0: 00000004 bef8e7f8 b6e[ 77.912621] lkdtm: attempting ok execution at c0c550e4 a8d8f b6e2f7e6 # [ 77.360205] [ 77.920597] lkdtm: attempting bad execution at f096c000 Code: 00160017 e7fddef0 e7fddef0 [ 77.928720] 8<--- cut here --- e7fddef0 (e1a0c00d) # [ 77.36[ 77.934607] Unable to handle kernel paging request at virtual address f096c000 6314] ---[ end trace eec2cb921daf[ 77.944776] pgd = a8f28a5a fbc2 ]--- # EXEC_KMALLOC: missin[ 77.950396] [f096c000] *pgd=12949811, *pte=4b82a65f, *ppte=4b82a45f g 'call trace:': [FAIL] not ok 3[ 77.959528] Internal error: Oops: 8000000f [#6] SMP ARM [ 77.967571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 77.996645] CPU: 0 PID: 1907 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 78.004396] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 78.010935] PC is at 0xf096c000 [ 78.014099] LR is at execute_location+0xa4/0xb4 [ 78.018642] pc : [] lr : [] psr: 600e0013 [ 78.024917] sp : c5ee3e30 ip : c5ee3d38 fp : c5ee3e4c [ 78.030148] r10: 0000000d r9 : c1acd20c r8 : c15e8cf8 [ 78.035380] r7 : c5ee3f60 r6 : 00000001 r5 : f096c000 r4 : c0c550e4 [ 78.041914] r3 : ee8ad311 r2 : ee8ad311 r1 : ef7815e0 r0 : 0000002b [ 78.048450] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 78.055594] Control: 10c5387d Table: 16b1404a DAC: 00000051 [ 78.061349] Process cat (pid: 1907, stack limit = 0xc6e72e69) [ 78.067105] Stack: (0xc5ee3e30 to 0xc5ee4000) [ 78.071475] 3e20: f096c000 c6bc8000 0000000d c5ee3f60 [ 78.079665] 3e40: c5ee3e64 c5ee3e50 c0c55168 c138baa0 00000022 c6bc8000 c5ee3e74 c5ee3e68 [ 78.087854] 3e60: c0c54374 c0c5514c c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5e82dc0 [ 78.096043] 3e80: b6db7000 0000000d c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 [ 78.104231] 3ea0: 00000000 c5e82dc0 b6db7000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 [ 78.112421] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 [ 78.120610] 3ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c5ee3ee0 00000001 b6db6000 [ 78.128798] 3f00: c6906780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 78.136986] 3f20: 00000000 00000000 c13a0ff0 ee8ad311 c205dc60 c5e82dc0 c5e82dc0 c5ee2000 [ 78.145177] 3f40: b6db7000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 [ 78.153366] 3f60: 00000000 00000000 c5ee3fac ee8ad311 0000000d 0000000d b6efee00 00000004 [ 78.161555] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 [ 78.169742] 3fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 [ 78.177934] 3fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bea34ac4 [ 78.186123] 3fe0: 00000004 bea347f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000 [ 78.194305] Backtrace: [ 78.196782] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 78.205233] r7:c5ee3f60 r6:0000000d r5:c6bc8000 r4:f096c000 [ 78.210907] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 78.219265] r5:c6bc8000 r4:00000022 [ 78.222854] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 78.230876] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 78.238805] r9:c5ee3f60 r8:c3082240 r7:0000000d r6:b6db7000 r5:c5e82dc0 r4:c0c54754 [ 78.246567] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 78.254409] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6db7000 r5:c5e82dc0 r4:00000000 [ 78.262165] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 78.269311] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c5ee2000 r5:c5e82dc0 [ 78.277147] r4:c5e82dc0 [ 78.279693] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 78.286839] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d [ 78.294600] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 78.302176] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) [ 78.307239] 3fa0: 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 [ 78.315429] 3fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bea34ac4 [ 78.323615] 3fe0: 00000004 bea347f8 b6e68d8f b6def7e6 [ 78.328684] Code: bad PC value 2 selftests: lkdtm: EXEC_KMALLOC.[ 78.331848] ---[ end trace eec2cb921daffbc3 ]--- sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 77.906473] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.912621] lkdtm: attempting ok execution at c0c550e4 # [ 77.920597] lkdtm: attempting bad execution at f096c000 # [ 77.928720] 8<--- cut here --- # [ 77.934607] Unable to handle kernel paging request at virtual address f096c000 # [ 77.944776] pgd = a8f28a5a # [ 77.950396] [f096c000] *pgd=12949811, *pte=4b82a65f, *ppte=4b82a45f # [ 77.959528] Internal error: Oops: 8000000f [#6] SMP ARM # [ 77.967571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 77.996645] CPU: 0 PID: 1907 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 78.004396] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.010935] PC is at 0xf096c000 # [ 78.014099] LR is at execute_location+0xa4/0xb4 # [ 78.018642] pc : [] lr : [] psr: 600e0013 # [ 78.024917] sp : c5ee3e30 ip : c5ee3d38 fp : c5ee3e4c # [ 78.030148] r10: 0000000d r9 : c1acd20c r8 : c15e8cf8 # [ 78.035380] r7 : c5ee3f60 r6 : 00000001 r5 : f096c000 r4 : c0c550e4 # [ 78.041914] r3 : ee8ad311 r2 : ee8ad311 r1 : ef7815e0 r0 : 0000002b # [ 78.048450] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.055594] Control: 10c5387d Table: 16b1404a DAC: 00000051 # [ 78.061349] Process cat (pid: 1907, stack limit = 0xc6e72e69) # [ 78.067105] Stack: (0xc5ee3e30 to 0xc5ee4000) # [ 78.071475] 3e20: f096c000 c6bc8000 0000000d c5ee3f60 # [ 78.079665] 3e40: c5ee3e64 c5ee3e50 c0c55168 c138baa0 00000022 c6bc8000 c5ee3e74 c5ee3e68 # [ 78.087854] 3e60: c0c54374 c0c5514c c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5e82dc0 # [ 78.096043] 3e80: b6db7000 0000000d c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 # [ 78.104231] 3ea0: 00000000 c5e82dc0 b6db7000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 # [ 78.112421] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 # [ 78.120610] 3ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c5ee3ee0 00000001 b6db6000 # [ 78.128798] 3f00: c6906780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.136986] 3f20: 00000000 00000000 c13a0ff0 ee8ad311 c205dc60 c5e82dc0 c5e82dc0 c5ee2000 # [ 78.145177] 3f40: b6db7000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 # [ 78.153366] 3f60: 00000000 00000000 c5ee3fac ee8ad311 0000000d 0000000d b6efee00 00000004 # [ 78.161555] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 # [ 78.169742] 3fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 # [ 78.177934] 3fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bea34ac4 # [ 78.186123] 3fe0: 00000004 bea347f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000 # [ 78.194305] Backtrace: # [ 78.196782] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 78.205233] r7:c5ee3f60 r6:0000000d r5:c6bc8000 r4:f096c000 # [ 78.210907] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.219265] r5:c6bc8000 r4:00000022 # [ 78.222854] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.230876] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.238805] r9:c5ee3f60 r8:c3082240 r7:0000000d r6:b6db7000 r5:c5e82dc0 r4:c0c54754 # [ 78.246567] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.254409] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6db7000 r5:c5e82dc0 r4:00000000 # [ 78.262165] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.269311] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c5ee2000 r5:c5e82dc0 # [ 78.277147] r4:c5e82dc0 # [ 78.279693] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.286839] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d # [ 78.294600] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.302176] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) # [ 78.307239] 3fa0: 0000000d 0000000[ 78.869970] lkdtm: Performing direct entry EXEC_RODATA d 00000001 b6db7000 0000000d 0000[ 78.877028] lkdtm: attempting ok execution at c0c550e4 0000 # [ 78.315429] 3fc0: 0000[ 78.885189] lkdtm: attempting bad execution at c15e8f94 000d 0000000d b6efee00 00000004 0[ 78.893216] 8<--- cut here --- 0000001 00000000 00020000 [b e a 78.899052] Unable to handle kernel paging request at virtual address c15e8f94 4ac4 # [ 78.323615] 3[f e 0 :78.908796] pgd = 82f69bd4 00000004 bea347f8 b6e68d8f b6def7[ 78.913935] [c15e8f94] *pgd=1141941e(bad) e6 # [ 78.328684] Code: ba[d 78.920821] Internal error: Oops: 8000000d [#7] SMP ARM PC value # [ 78.331848] ---[ e[ 78.928647] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 nd trace eec2cb921daffbc3 ]--- #[ 78.960365] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.180-cip33 #1 EXEC_VMALLOC: missing [' c a l7l.970964] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) trace:': [FAIL] not ok 33 selft[ 78.979854] PC is at lkdtm_rodata_do_nothing+0x0/0x10 ests: lkdtm: EXEC_VMALLOC.sh # ex[ 78.987774] LR is at execute_location+0xa4/0xb4 it=1 # selftests: lkdtm:[ E X E8.995158] pc : [] lr : [] psr: 600e0013 C_RODATA.sh [ 79.003855] sp : c6909e38 ip : c6909d40 fp : c6909e54 [ 79.010210] r10: 0000000c r9 : c1acd21c r8 : c15e8cf8 [ 79.015457] r7 : c6909f60 r6 : 00000000 r5 : c15e8f94 r4 : c0c550e4 [ 79.022005] r3 : e9ae55df r2 : e9ae55df r1 : ef7c05e0 r0 : 0000002b [ 79.028558] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 79.035718] Control: 10c5387d Table: 1681804a DAC: 00000051 [ 79.041488] Process cat (pid: 1984, stack limit = 0x2399e39f) [ 79.047257] Stack: (0xc6909e38 to 0xc690a000) [ 79.051643] 9e20: 00000023 c6bfc000 [ 79.059853] 9e40: 0000000c c6909f60 c6909e64 c6909e58 c138bd20 c138baa0 c6909e74 c6909e68 [ 79.068059] 9e60: c0c54374 c138bd08 c6909e9c c6909e78 c0c54874 c0c54354 c0c54754 c68e9cc0 [ 79.076267] 9e80: b6e3d000 0000000c c3082240 c6909f60 c6909ec4 c6909ea0 c07e03d4 c0c54760 [ 79.084475] 9ea0: 00000000 c68e9cc0 b6e3d000 c2815800 c6909f60 c07e0370 c6909f5c c6909ec8 [ 79.092682] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6908000 [ 79.100890] 9ee0: b6e3d000 00020000 00000004 0000000c 0001fff4 c6909ee0 00000001 b6e3c000 [ 79.109096] 9f00: c44a83c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 79.117304] 9f20: 00000000 00000000 c13a0ff0 e9ae55df c205dc60 c68e9cc0 c68e9cc0 c6908000 [ 79.125511] 9f40: b6e3d000 00000000 00000000 00000004 c6909f94 c6909f60 c059b1ec c059ab40 [ 79.133718] 9f60: 00000000 00000000 c6909fac e9ae55df 0000000c 0000000c b6f84e00 00000004 [ 79.141924] 9f80: c03002e4 c6908000 c6909fa4 c6909f98 c059b27c c059b184 00000000 c6909fa8 [ 79.150132] 9fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6e3d000 0000000c 00000000 [ 79.158339] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4 [ 79.166546] 9fe0: 00000004 becd57f8 b6eeed8f b6e757e6 800e0030 00000001 00000000 00000000 [ 79.174741] Backtrace: [ 79.177247] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 79.185630] r7:c6909f60 r6:0000000c r5:c6bfc000 r4:00000023 [ 79.191329] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 79.199626] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 79.207673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.215622] r9:c6909f60 r8:c3082240 r7:0000000c r6:b6e3d000 r5:c68e9cc0 r4:c0c54754 [ 79.223406] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 79.231265] r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6e3d000 r5:c68e9cc0 r4:00000000 [ 79.239041] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 79.246208] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6908000 r5:c68e9cc0 [ 79.254057] r4:c68e9cc0 [ 79.256622] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 79.263786] r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:0000000c r4:0000000c [ 79.271565] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 79.279157] Exception stack(0xc6909fa8 to 0xc6909ff0) [ 79.284236] 9fa0: 0000000c 0000000c 00000001 b6e3d000 0000000c 00000000 [ 79.292443] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4 [ 79.300643] 9fe0: 00000004 becd57f8 b6eeed8f b6e757e6 [ 79.305726] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 79.311852] ---[ end trace eec2cb921daffbc4 ]--- # Segmentation fault # [ 78.869970] lkdtm: Performing direct entry EXEC_RODATA # [ 78.877028] lkdtm: attempting ok execution at c0c550e4 # [ 78.885189] lkdtm: attempting bad execution at c15e8f94 # [ 78.893216] 8<--- cut here --- # [ 78.899052] Unable to handle kernel paging request at virtual address c15e8f94 # [ 78.908796] pgd = 82f69bd4 # [ 78.913935] [c15e8f94] *pgd=1141941e(bad) # [ 78.920821] Internal error: Oops: 8000000d [#7] SMP ARM # [ 78.928647] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 78.960365] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 78.970964] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.979854] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.987774] LR is at execute_location+0xa4/0xb4 # [ 78.995158] pc : [] lr : [] psr: 600e0013 # [ 79.003855] sp : c6909e38 ip : c6909d40 fp : c6909e54 # [ 79.010210] r10: 0000000c r9 : c1acd21c r8 : c15e8cf8 # [ 79.015457] r7 : c6909f60 r6 : 00000000 r5 : c15e8f94 r4 : c0c550e4 # [ 79.022005] r3 : e9ae55df r2 : e9ae55df r1 : ef7c05e0 r0 : 0000002b # [ 79.028558] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.035718] Control: 10c5387d Table: 1681804a DAC: 00000051 # [ 79.041488] Process cat (pid: 1984, stack limit = 0x2399e39f) # [ 79.047257] Stack: (0xc6909e38 to 0xc690a000) # [ 79.051643] 9e20: 00000023 c6bfc000 # [ 79.059853] 9e40: 0000000c c6909f60 c6909e64 c6909e58 c138bd20 c138baa0 c6909e74 c6909e68 # [ 79.068059] 9e60: c0c54374 c138bd08 c6909e9c c6909e78 c0c54874 c0c54354 c0c54754 c68e9cc0 # [ 79.076267] 9e80: b6e3d000 0000000c c3082240 c6909f60 c6909ec4 c6909ea0 c07e03d4 c0c54760 # [ 79.084475] 9ea0: 00000000 c68e9cc0 b6e3d000 c2815800 c6909f60 c07e0370 c6909f5c c6909ec8 # [ 79.092682] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6908000 # [ 79.100890] 9ee0: b6e3d000 00020000 00000004 0000000c 0001fff4 c6909ee0 00000001 b6e3c000 # [ 79.109096] 9f00: c44a83c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.117304] 9f20: 00000000 00000000 c13a0ff0 e9ae55df c205dc60 c68e9cc0 c68e9cc0 c6908000 # [ 79.125511] 9f40: b6e3d000 00000000 00000000 00000004 c6909f94 c6909f60 c059b1ec c059ab40 # [ 79.133718] 9f60: 00000000 00000000 c6909fac e9ae55df 0000000c 0000000c b6f84e00 00000004 # [ 79.141924] 9f80: c03002e4 c6908000 c6909fa4 c6909f98 c059b27c c059b184 00000000 c6909fa8 # [ 79.150132] 9fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6e3d000 0000000c 00000000 # [ 79.158339] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4 # [ 79.166546] 9fe0: 00000004 becd57f8 b6eeed8f b6e757e6 800e0030 00000001 00000000 00000000 # [ 79.174741] Backtrace: # [ 79.177247] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 79.185630] r7:c6909f60 r6:0000000c r5:c6bfc000 r4:00000023 # [ 79.191329] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.199626] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.207673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.215622] r9:c6909f60 r8:c3082240 r7:0000000c r6:b6e3d000 r5:c68e9cc0 r4:c0c54754 # [ 79.223406] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.231265] r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6e3d000 r5:c68e9cc0 r4:00000000 # [ 79.239041] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.246208] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6908000 r5:c68e9cc0 # [ 79.254057] r4:c68e9cc0 # [ 79.256622] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.263786] r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:0000000c r4:0000000c # [ 79.271565] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.279157] Exception stack(0xc6909fa8 to 0xc6909ff0) # [ 79.284236] 9fa0: 0000000c 0000000c 00000001 b6e3d000 0000000c 00000000 # [ 79.292443] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4 # [ 79.300643] 9fe0: 00000004 becd57f8 [ 79.840355] lkdtm: Performing direct entry EXEC_USERSPACE b6eeed8f b6e757e6 # [ 79.30572[ 79.846399] lkdtm: attempting ok execution at c0c550e4 6] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ [ 79.857409] lkdtm: attempting bad execution at b6f43000 79.311852] ---[ end trace eec2cb9[ 79.865179] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f43000 21daffbc4 ]--- # EXEC[_ R O D7A9.875159] Internal error: : b [#8] SMP ARM A: missing 'call trace:': [FAIL] [ 79.881766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 not ok 34 selftests: lkd[t m : 9.913472] CPU: 2 PID: 2060 Comm: cat Tainted: G D W 5.10.180-cip33 #1 EXEC_RODATA.s[h # 7e9x.i9t2=3134] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # selftests: lkdtm: E[X E C _7U.932074] PC is at 0xb6f43000 SERSPACE.sh [ 79.937561] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 79.943557] pc : [] lr : [] psr: 60070013 [ 79.949831] sp : c6957e48 ip : c6957d50 fp : c6957e64 [ 79.955063] r10: 0000000f r9 : c1acd228 r8 : c15e8cf8 [ 79.960295] r7 : c6957f60 r6 : 0000000f r5 : c5e44000 r4 : b6f43000 [ 79.966830] r3 : 3b67a8f2 r2 : 3b67a8f2 r1 : ef7ab5e0 r0 : 0000002b [ 79.973366] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 79.980510] Control: 10c5387d Table: 1478004a DAC: 00000051 [ 79.986265] Process cat (pid: 2060, stack limit = 0xefeb9716) [ 79.992021] Stack: (0xc6957e48 to 0xc6958000) [ 79.996393] 7e40: 00000001 00000000 0000000f 00000024 c6957e74 c6957e68 [ 80.004581] 7e60: c0c54374 c0c55180 c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c6906280 [ 80.012769] 7e80: b6dfd000 0000000f c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760 [ 80.020958] 7ea0: 00000000 c6906280 b6dfd000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8 [ 80.029148] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44adea4 c059b1ec c6956000 [ 80.037338] 7ee0: b6dfd000 00020000 00000004 0000000f 0001fff1 c6957ee0 00000001 00000805 [ 80.045525] 7f00: c6ad0b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 80.053714] 7f20: 00000000 00000000 c6956000 3b67a8f2 b6dfc000 c6906280 c6906280 c6956000 [ 80.061902] 7f40: b6dfd000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40 [ 80.070090] 7f60: 00000000 00000000 c6957fac 3b67a8f2 0000000f 0000000f b6f44e00 00000004 [ 80.078280] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8 [ 80.086469] 7fa0: c03000c0 c059b270 0000000f 0000000f 00000001 b6dfd000 0000000f 00000000 [ 80.094658] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4 [ 80.102849] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6 800e0030 00000001 00000000 00000000 [ 80.111031] Backtrace: [ 80.113504] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 80.122038] r4:00000024 [ 80.124585] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 80.132608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.140536] r9:c6957f60 r8:c3082240 r7:0000000f r6:b6dfd000 r5:c6906280 r4:c0c54754 [ 80.148298] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 80.156141] r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dfd000 r5:c6906280 r4:00000000 [ 80.163897] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.171043] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c6956000 r5:c6906280 [ 80.178878] r4:c6906280 [ 80.181425] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.188572] r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:0000000f r4:0000000f [ 80.196330] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.203907] Exception stack(0xc6957fa8 to 0xc6957ff0) [ 80.208972] 7fa0: 0000000f 0000000f 00000001 b6dfd000 0000000f 00000000 [ 80.217160] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4 [ 80.225346] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6 [ 80.230412] Code: bad PC value [ 80.233483] ---[ end trace eec2cb921daffbc5 ]--- # Segmentation fault # [ 79.840355] lkdtm: Performing direct entry EXEC_USERSPACE # [ 79.846399] lkdtm: attempting ok execution at c0c550e4 # [ 79.857409] lkdtm: attempting bad execution at b6f43000 # [ 79.865179] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f43000 # [ 79.875159] Internal error: : b [#8] SMP ARM # [ 79.881766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 79.913472] CPU: 2 PID: 2060 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 79.923634] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.932074] PC is at 0xb6f43000 # [ 79.937561] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 79.943557] pc : [] lr : [] psr: 60070013 # [ 79.949831] sp : c6957e48 ip : c6957d50 fp : c6957e64 # [ 79.955063] r10: 0000000f r9 : c1acd228 r8 : c15e8cf8 # [ 79.960295] r7 : c6957f60 r6 : 0000000f r5 : c5e44000 r4 : b6f43000 # [ 79.966830] r3 : 3b67a8f2 r2 : 3b67a8f2 r1 : ef7ab5e0 r0 : 0000002b # [ 79.973366] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.980510] Control: 10c5387d Table: 1478004a DAC: 00000051 # [ 79.986265] Process cat (pid: 2060, stack limit = 0xefeb9716) # [ 79.992021] Stack: (0xc6957e48 to 0xc6958000) # [ 79.996393] 7e40: 00000001 00000000 0000000f 00000024 c6957e74 c6957e68 # [ 80.004581] 7e60: c0c54374 c0c55180 c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c6906280 # [ 80.012769] 7e80: b6dfd000 0000000f c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760 # [ 80.020958] 7ea0: 00000000 c6906280 b6dfd000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8 # [ 80.029148] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44adea4 c059b1ec c6956000 # [ 80.037338] 7ee0: b6dfd000 00020000 00000004 0000000f 0001fff1 c6957ee0 00000001 00000805 # [ 80.045525] 7f00: c6ad0b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.053714] 7f20: 00000000 00000000 c6956000 3b67a8f2 b6dfc000 c6906280 c6906280 c6956000 # [ 80.061902] 7f40: b6dfd000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40 # [ 80.070090] 7f60: 00000000 00000000 c6957fac 3b67a8f2 0000000f 0000000f b6f44e00 00000004 # [ 80.078280] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8 # [ 80.086469] 7fa0: c03000c0 c059b270 0000000f 0000000f 00000001 b6dfd000 0000000f 00000000 # [ 80.094658] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4 # [ 80.102849] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6 800e0030 00000001 00000000 00000000 # [ 80.111031] Backtrace: # [ 80.113504] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.122038] r4:00000024 # [ 80.124585] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.132608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.140536] r9:c6957f60 r8:c3082240 r7:0000000f r6:b6dfd000 r5:c6906280 r4:c0c54754 # [ 80.148298] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.156141] r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dfd000 r5:c6906280 r4:00000000 # [ 80.163897] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.171043] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c6956000 r5:c6906280 # [ 80.178878] r4:c6906280 # [ 80.181425] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.188572] r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:0000000f r4:0000000f # [ 80.196330] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.203907] Exception stack(0xc6957fa8 to 0xc6957ff0) # [ 80.208972] 7fa0: 0000000f 0000000f 00000001 b6dfd000 0000000f 00000000 # [ 80.217160] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4 # [ 80.225346] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6 # [ 80.230412] Code: bad PC value # [ 80.233483] ---[ end trace eec2cb921daffbc5 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh [ 80.792056] lkdtm: Performing direct entry EXEC_NULL [ 80.797113] lkdtm: attempting ok execution at c0c550e4 [ 80.802267] lkdtm: attempting bad execution at 00000000 [ 80.807584] 8<--- cut here --- [ 80.810657] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 80.818804] pgd = 664de0d0 [ 80.821545] [00000000] *pgd=00000000 [ 80.825158] Internal error: Oops: 80000005 [#9] SMP ARM [ 80.830399] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 80.859461] CPU: 3 PID: 2131 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 80.867213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 80.873752] PC is at 0x0 [ 80.876307] LR is at execute_location+0xa4/0xb4 [ 80.880847] pc : [<00000000>] lr : [] psr: 600e0013 [ 80.887121] sp : c6aebe38 ip : c6aebd40 fp : c6aebe54 [ 80.892353] r10: 0000000a r9 : c1acd238 r8 : c15e8cf8 [ 80.897585] r7 : c6aebf60 r6 : 00000000 r5 : 00000000 r4 : c0c550e4 [ 80.904119] r3 : 5f4e8163 r2 : 5f4e8163 r1 : ef7c05e0 r0 : 0000002b [ 80.910655] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 80.917800] Control: 10c5387d Table: 16c7004a DAC: 00000051 [ 80.923556] Process cat (pid: 2131, stack limit = 0xf015b8ac) [ 80.929309] Stack: (0xc6aebe38 to 0xc6aec000) [ 80.933677] be20: 00000025 c6bfd000 [ 80.941866] be40: 0000000a c6aebf60 c6aebe64 c6aebe58 c138bd44 c138baa0 c6aebe74 c6aebe68 [ 80.950056] be60: c0c54374 c138bd30 c6aebe9c c6aebe78 c0c54874 c0c54354 c0c54754 c68e9040 [ 80.958247] be80: b6e91000 0000000a c3082240 c6aebf60 c6aebec4 c6aebea0 c07e03d4 c0c54760 [ 80.966436] bea0: 00000000 c68e9040 b6e91000 c2815800 c6aebf60 c07e0370 c6aebf5c c6aebec8 [ 80.974627] bec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6aea000 [ 80.982814] bee0: b6e91000 00020000 00000004 0000000a 0001fff6 c6aebee0 00000001 b6e90000 [ 80.991004] bf00: c6906500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 80.999194] bf20: 00000000 00000000 c13a0ff0 5f4e8163 c205dc60 c68e9040 c68e9040 c6aea000 [ 81.007383] bf40: b6e91000 00000000 00000000 00000004 c6aebf94 c6aebf60 c059b1ec c059ab40 [ 81.015572] bf60: 00000000 00000000 c6aebfac 5f4e8163 0000000a 0000000a b6fd8e00 00000004 [ 81.023761] bf80: c03002e4 c6aea000 c6aebfa4 c6aebf98 c059b27c c059b184 00000000 c6aebfa8 [ 81.031950] bfa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e91000 0000000a 00000000 [ 81.040140] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4 [ 81.048329] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6 800e0030 00000001 00000000 00000000 [ 81.056510] Backtrace: [ 81.058984] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 81.067172] r7:c6aebf60 r6:0000000a r5:c6bfd000 r4:00000025 [ 81.072851] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 81.080954] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 81.088976] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 81.096905] r9:c6aebf60 r8:c3082240 r7:0000000a r6:b6e91000 r5:c68e9040 r4:c0c54754 [ 81.104667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 81.112509] r9:c07e0370 r8:c6aebf60 r7:c2815800 r6:b6e91000 r5:c68e9040 r4:00000000 [ 81.120266] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 81.127413] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c6aea000 r5:c68e9040 [ 81.135248] r4:c68e9040 [ 81.137797] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 81.144943] r9:c6aea000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000a r4:0000000a [ 81.152703] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 81.160279] Exception stack(0xc6aebfa8 to 0xc6aebff0) [ 81.165342] bfa0: 0000000a 0000000a 00000001 b6e91000 0000000a 00000000 [ 81.173531] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4 [ 81.181716] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6 [ 81.186782] Code: bad PC value [ 81.189947] ---[ end trace eec2cb921daffbc6 ]--- # Segmentation fault # [ 80.792056] lkdtm: Performing direct entry EXEC_NULL # [ 80.797113] lkdtm: attempting ok execution at c0c550e4 # [ 80.802267] lkdtm: attempting bad execution at 00000000 # [ 80.807584] 8<--- cut here --- # [ 80.810657] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 80.818804] pgd = 664de0d0 # [ 80.821545] [00000000] *pgd=00000000 # [ 80.825158] Internal error: Oops: 80000005 [#9] SMP ARM # [ 80.830399] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 80.859461] CPU: 3 PID: 2131 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 80.867213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.873752] PC is at 0x0 # [ 80.876307] LR is at execute_location+0xa4/0xb4 # [ 80.880847] pc : [<00000000>] lr : [] psr: 600e0013 # [ 80.887121] sp : c6aebe38 ip : c6aebd40 fp : c6aebe54 # [ 80.892353] r10: 0000000a r9 : c1acd238 r8 : c15e8cf8 # [ 80.897585] r7 : c6aebf60 r6 : 00000000 r5 : 00000000 r4 : c0c550e4 # [ 80.904119] r3 : 5f4e8163 r2 : 5f4e8163 r1 : ef7c05e0 r0 : 0000002b # [ 80.910655] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.917800] Control: 10c5387d Table: 16c7004a DAC: 00000051 # [ 80.923556] Process cat (pid: 2131, stack limit = 0xf015b8ac) # [ 80.929309] Stack: (0xc6aebe38 to 0xc6aec000) # [ 80.933677] be20: 00000025 c6bfd000 # [ 80.941866] be40: 0000000a c6aebf60 c6aebe64 c6aebe58 c138bd44 c138baa0 c6aebe74 c6aebe68 # [ 80.950056] be60: c0c54374 c138bd30 c6aebe9c c6aebe78 c0c54874 c0c54354 c0c54754 c68e9040 # [ 80.958247] be80: b6e91000 0000000a c3082240 c6aebf60 c6aebec4 c6aebea0 c07e03d4 c0c54760 # [ 80.966436] bea0: 00000000 c68e9040 b6e91000 c2815800 c6aebf60 c07e0370 c6aebf5c c6aebec8 # [ 80.974627] bec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6aea000 # [ 80.982814] bee0: b6e91000 00020000 00000004 0000000a 0001fff6 c6aebee0 00000001 b6e90000 # [ 80.991004] bf00: c6906500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.999194] bf20: 00000000 00000000 c13a0ff0 5f4e8163 c205dc60 c68e9040 c68e9040 c6aea000 # [ 81.007383] bf40: b6e91000 00000000 00000000 00000004 c6aebf94 c6aebf60 c059b1ec c059ab40 # [ 81.015572] bf60: 00000000 00000000 c6aebfac 5f4e8163 0000000a 0000000a b6fd8e00 00000004 # [ 81.023761] bf80: c03002e4 c6aea000 c6aebfa4 c6aebf98 c059b27c c059b184 00000000 c6aebfa8 # [ 81.031950] bfa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e91000 0000000a 00000000 # [ 81.040140] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4 # [ 81.048329] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6 800e0030 00000001 00000000 00000000 # [ 81.056510] Backtrace: # [ 81.058984] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 81.067172] r7:c6aebf60 r6:0000000a r5:c6bfd000 r4:00000025 # [ 81.072851] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.080954] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.088976] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.096905] r9:c6aebf60 r8:c3082240 r7:0000000a r6:b6e91000 r5:c68e9040 r4:c0c54754 # [ 81.104667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.112509] r9:c07e0370 r8:c6aebf60 r7:c2815800 r6:b6e91000 r5:c68e9040 r4:00000000 # [ 81.120266] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.127413] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c6aea000 r5:c68e9040 # [ 81.135248] r4:c68e9040 # [ 81.137797] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.144943] r9:c6aea000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000a r4:0000000a # [ 81.152703] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.160279] Exception stack(0xc6aebfa8 to 0xc6aebff0) # [ 81.165342] bfa0: 0000000a 0000000a 00000001 b6e91000 0000000a 00000000 # [ 81.173531] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4 # [ 81.181716] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6 # [ 81.186782] Code: bad PC value # [ 81.189947] ---[ end trace eec2cb921daffbc6 ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # self[ 81.760914] lkdtm: Performing direct entry ACCESS_USERSPACE tests: lkdtm: ACCESS_USERSPACE.sh[ 81.768424] lkdtm: attempting bad read at b6f52000 [ 81.775977] 8<--- cut here --- [ 81.779204] Unhandled fault: page domain fault (0x01b) at 0xb6f52000 [ 81.785568] pgd = 2b1c87b8 [ 81.788283] [b6f52000] *pgd=494b0831 [ 81.791880] Internal error: : 1b [#10] SMP ARM [ 81.796334] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 81.825410] CPU: 1 PID: 2207 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 81.833162] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 81.839708] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 81.844945] LR is at 0x0 [ 81.847487] pc : [] lr : [<00000000>] psr: 600e0013 [ 81.853761] sp : c5c6de38 ip : 00000027 fp : c5c6de64 [ 81.858993] r10: 00000011 r9 : c1acd244 r8 : c15e8cf8 [ 81.864224] r7 : c5c6df60 r6 : 00000051 r5 : c5c6c000 r4 : b6f52000 [ 81.870757] r3 : c960688d r2 : c960688d r1 : ef7965e4 r0 : 00000026 [ 81.877295] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 81.884439] Control: 10c5387d Table: 16dac04a DAC: 00000051 [ 81.890194] Process cat (pid: 2207, stack limit = 0x54250671) [ 81.895949] Stack: (0xc5c6de38 to 0xc5c6e000) [ 81.900317] de20: 00000022 00000000 [ 81.908507] de40: 00000000 c960688d c5c6de6c 00000026 c5e44000 00000011 c5c6de74 c5c6de68 [ 81.916696] de60: c0c54374 c0c55254 c5c6de9c c5c6de78 c0c54874 c0c54354 c0c54754 c5b092c0 [ 81.924885] de80: b6e0c000 00000011 c3082240 c5c6df60 c5c6dec4 c5c6dea0 c07e03d4 c0c54760 [ 81.933074] dea0: 00000000 c5b092c0 b6e0c000 c2815800 c5c6df60 c07e0370 c5c6df5c c5c6dec8 [ 81.941263] dec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c6c000 [ 81.949452] dee0: b6e0c000 00020000 00000004 00000011 0001ffef c5c6dee0 00000001 b6e0b000 [ 81.957639] df00: c68e8f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 81.965826] df20: 00000000 00000000 c13a0ff0 c960688d c205dc60 c5b092c0 c5b092c0 c5c6c000 [ 81.974016] df40: b6e0c000 00000000 00000000 00000004 c5c6df94 c5c6df60 c059b1ec c059ab40 [ 81.982203] df60: 00000000 00000000 c5c6dfac c960688d 00000011 00000011 b6f53e00 00000004 [ 81.990392] df80: c03002e4 c5c6c000 c5c6dfa4 c5c6df98 c059b27c c059b184 00000000 c5c6dfa8 [ 81.998581] dfa0: c03000c0 c059b270 00000011 00000011 00000001 b6e0c000 00000011 00000000 [ 82.006768] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4 [ 82.014957] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000 [ 82.023139] Backtrace: [ 82.025609] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.034320] r6:00000011 r5:c5e44000 r4:00000026 [ 82.038951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.046973] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.054903] r9:c5c6df60 r8:c3082240 r7:00000011 r6:b6e0c000 r5:c5b092c0 r4:c0c54754 [ 82.062664] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 82.070506] r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6e0c000 r5:c5b092c0 r4:00000000 [ 82.078261] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 82.085407] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5c6c000 r5:c5b092c0 [ 82.093242] r4:c5b092c0 [ 82.095789] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.102936] r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000011 r4:00000011 [ 82.110694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.118270] Exception stack(0xc5c6dfa8 to 0xc5c6dff0) [ 82.123332] dfa0: 00000011 00000011 00000001 b6e0c000 00000011 00000000 [ 82.131520] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4 [ 82.139706] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6 [ 82.144770] Code: e1a01004 e30e0168 e34c01ac eb1cae86 (e5943000) [ 82.150878] ---[ end trace eec2cb921daffbc7 ]--- # Segmentation fault # [ 81.760914] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 81.768424] lkdtm: attempting bad read at b6f52000 # [ 81.775977] 8<--- cut here --- # [ 81.779204] Unhandled fault: page domain fault (0x01b) at 0xb6f52000 # [ 81.785568] pgd = 2b1c87b8 # [ 81.788283] [b6f52000] *pgd=494b0831 # [ 81.791880] Internal error: : 1b [#10] SMP ARM # [ 81.796334] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 81.825410] CPU: 1 PID: 2207 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 81.833162] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.839708] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 81.844945] LR is at 0x0 # [ 81.847487] pc : [] lr : [<00000000>] psr: 600e0013 # [ 81.853761] sp : c5c6de38 ip : 00000027 fp : c5c6de64 # [ 81.858993] r10: 00000011 r9 : c1acd244 r8 : c15e8cf8 # [ 81.864224] r7 : c5c6df60 r6 : 00000051 r5 : c5c6c000 r4 : b6f52000 # [ 81.870757] r3 : c960688d r2 : c960688d r1 : ef7965e4 r0 : 00000026 # [ 81.877295] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.884439] Control: 10c5387d Table: 16dac04a DAC: 00000051 # [ 81.890194] Process cat (pid: 2207, stack limit = 0x54250671) # [ 81.895949] Stack: (0xc5c6de38 to 0xc5c6e000) # [ 81.900317] de20: 00000022 00000000 # [ 81.908507] de40: 00000000 c960688d c5c6de6c 00000026 c5e44000 00000011 c5c6de74 c5c6de68 # [ 81.916696] de60: c0c54374 c0c55254 c5c6de9c c5c6de78 c0c54874 c0c54354 c0c54754 c5b092c0 # [ 81.924885] de80: b6e0c000 00000011 c3082240 c5c6df60 c5c6dec4 c5c6dea0 c07e03d4 c0c54760 # [ 81.933074] dea0: 00000000 c5b092c0 b6e0c000 c2815800 c5c6df60 c07e0370 c5c6df5c c5c6dec8 # [ 81.941263] dec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c6c000 # [ 81.949452] dee0: b6e0c000 00020000 00000004 00000011 0001ffef c5c6dee0 00000001 b6e0b000 # [ 81.957639] df00: c68e8f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.965826] df20: 00000000 00000000 c13a0ff0 c960688d c205dc60 c5b092c0 c5b092c0 c5c6c000 # [ 81.974016] df40: b6e0c000 00000000 00000000 00000004 c5c6df94 c5c6df60 c059b1ec c059ab40 # [ 81.982203] df60: 00000000 00000000 c5c6dfac c960688d 00000011 00000011 b6f53e00 00000004 # [ 81.990392] df80: c03002e4 c5c6c000 c5c6dfa4 c5c6df98 c059b27c c059b184 00000000 c5c6dfa8 # [ 81.998581] dfa0: c03000c0 c059b270 00000011 00000011 00000001 b6e0c000 00000011 00000000 # [ 82.006768] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4 # [ 82.014957] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000 # [ 82.023139] Backtrace: # [ 82.025609] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.034320] r6:00000011 r5:c5e44000 r4:00000026 # [ 82.038951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.046973] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.054903] r9:c5c6df60 r8:c3082240 r7:00000011 r6:b6e0c000 r5:c5b092c0 r4:c0c54754 # [ 82.062664] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.070506] r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6e0c000 r5:c5b092c0 r4:00000000 # [ 82.078261] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.085407] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5c6c000 r5:c5b092c0 # [ 82.093242] r4:c5b092c0 # [ 82.095789] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.102936] r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000011 r4:00000011 # [ 82.110694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.118270] Exception stack(0xc5c6dfa8 to 0xc5c6dff0) # [ 82.123332] dfa0: 00000011 00000011 00000001 b6e0c000 00000011 00000000 # [ 82.131520] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4 # [ 82.139706] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6 # [ 82.144770] Code: e1a01004 e30e0168 e34c01ac eb1cae86 (e5943000) # [ 82.150878] ---[ end trace eec2cb921daffbc7 ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 82.707455] lkdtm: Performing direct entry ACCESS_NULL [ 82.712622] lkdtm: attempting bad read at 00000000 [ 82.717538] 8<--- cut here --- [ 82.720630] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 82.728802] pgd = 7016fe64 [ 82.731543] [00000000] *pgd=00000000 [ 82.735151] Internal error: Oops: 5 [#11] SMP ARM [ 82.739866] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 82.768928] CPU: 1 PID: 2282 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 82.776679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 82.783231] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 82.787870] LR is at __irq_work_queue_local+0x40/0x74 [ 82.792931] pc : [] lr : [] psr: 600e0013 [ 82.799206] sp : c5dd7e50 ip : c5dd7d58 fp : c5dd7e64 [ 82.804437] r10: 0000000c r9 : c1acd258 r8 : c15e8cf8 [ 82.809670] r7 : c5dd7f60 r6 : 0000000c r5 : c6c1c000 r4 : 00000000 [ 82.816203] r3 : f178d7b7 r2 : f178d7b7 r1 : ef7965e0 r0 : 00000026 [ 82.822741] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 82.829886] Control: 10c5387d Table: 168f004a DAC: 00000051 [ 82.835642] Process cat (pid: 2282, stack limit = 0x9e6df80b) [ 82.841398] Stack: (0xc5dd7e50 to 0xc5dd8000) [ 82.845768] 7e40: 00000027 c6c1c000 c5dd7e74 c5dd7e68 [ 82.853959] 7e60: c0c54374 c138bd54 c5dd7e9c c5dd7e78 c0c54874 c0c54354 c0c54754 c5e82dc0 [ 82.862147] 7e80: b6df9000 0000000c c3082240 c5dd7f60 c5dd7ec4 c5dd7ea0 c07e03d4 c0c54760 [ 82.870335] 7ea0: 00000000 c5e82dc0 b6df9000 c2815800 c5dd7f60 c07e0370 c5dd7f5c c5dd7ec8 [ 82.878525] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44af764 c059b1ec c5dd6000 [ 82.886715] 7ee0: b6df9000 00020000 00000004 0000000c 0001fff4 c5dd7ee0 00000001 00000805 [ 82.894902] 7f00: c6ad1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 82.903091] 7f20: 00000000 00000000 c5dd6000 f178d7b7 b6df8000 c5e82dc0 c5e82dc0 c5dd6000 [ 82.911279] 7f40: b6df9000 00000000 00000000 00000004 c5dd7f94 c5dd7f60 c059b1ec c059ab40 [ 82.919468] 7f60: 00000000 00000000 c5dd7fac f178d7b7 0000000c 0000000c b6f40e00 00000004 [ 82.927657] 7f80: c03002e4 c5dd6000 c5dd7fa4 c5dd7f98 c059b27c c059b184 00000000 c5dd7fa8 [ 82.935845] 7fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6df9000 0000000c 00000000 [ 82.944034] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4 [ 82.952223] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6 800e0030 00000001 00000000 00000000 [ 82.960405] Backtrace: [ 82.962881] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.971154] r5:c6c1c000 r4:00000027 [ 82.974744] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.982768] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.990696] r9:c5dd7f60 r8:c3082240 r7:0000000c r6:b6df9000 r5:c5e82dc0 r4:c0c54754 [ 82.998459] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 83.006300] r9:c07e0370 r8:c5dd7f60 r7:c2815800 r6:b6df9000 r5:c5e82dc0 r4:00000000 [ 83.014055] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.021202] r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c5dd6000 r5:c5e82dc0 [ 83.029038] r4:c5e82dc0 [ 83.031588] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.038736] r9:c5dd6000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:0000000c r4:0000000c [ 83.046501] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.054080] Exception stack(0xc5dd7fa8 to 0xc5dd7ff0) [ 83.059146] 7fa0: 0000000c 0000000c 00000001 b6df9000 0000000c 00000000 [ 83.067337] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4 [ 83.075525] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6 [ 83.080590] Code: e30e0168 e34c01ac e1a01004 ebffd401 (e5945000) [ 83.086783] ---[ end trace eec2cb921daffbc8 ]--- # Segmentation fault # [ 82.707455] lkdtm: Performing direct entry ACCESS_NULL # [ 82.712622] lkdtm: attempting bad read at 00000000 # [ 82.717538] 8<--- cut here --- # [ 82.720630] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 82.728802] pgd = 7016fe64 # [ 82.731543] [00000000] *pgd=00000000 # [ 82.735151] Internal error: Oops: 5 [#11] SMP ARM # [ 82.739866] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 82.768928] CPU: 1 PID: 2282 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 82.776679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.783231] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 82.787870] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.792931] pc : [] lr : [] psr: 600e0013 # [ 82.799206] sp : c5dd7e50 ip : c5dd7d58 fp : c5dd7e64 # [ 82.804437] r10: 0000000c r9 : c1acd258 r8 : c15e8cf8 # [ 82.809670] r7 : c5dd7f60 r6 : 0000000c r5 : c6c1c000 r4 : 00000000 # [ 82.816203] r3 : f178d7b7 r2 : f178d7b7 r1 : ef7965e0 r0 : 00000026 # [ 82.822741] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.829886] Control: 10c5387d Table: 168f004a DAC: 00000051 # [ 82.835642] Process cat (pid: 2282, stack limit = 0x9e6df80b) # [ 82.841398] Stack: (0xc5dd7e50 to 0xc5dd8000) # [ 82.845768] 7e40: 00000027 c6c1c000 c5dd7e74 c5dd7e68 # [ 82.853959] 7e60: c0c54374 c138bd54 c5dd7e9c c5dd7e78 c0c54874 c0c54354 c0c54754 c5e82dc0 # [ 82.862147] 7e80: b6df9000 0000000c c3082240 c5dd7f60 c5dd7ec4 c5dd7ea0 c07e03d4 c0c54760 # [ 82.870335] 7ea0: 00000000 c5e82dc0 b6df9000 c2815800 c5dd7f60 c07e0370 c5dd7f5c c5dd7ec8 # [ 82.878525] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44af764 c059b1ec c5dd6000 # [ 82.886715] 7ee0: b6df9000 00020000 00000004 0000000c 0001fff4 c5dd7ee0 00000001 00000805 # [ 82.894902] 7f00: c6ad1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.903091] 7f20: 00000000 00000000 c5dd6000 f178d7b7 b6df8000 c5e82dc0 c5e82dc0 c5dd6000 # [ 82.911279] 7f40: b6df9000 00000000 00000000 00000004 c5dd7f94 c5dd7f60 c059b1ec c059ab40 # [ 82.919468] 7f60: 00000000 00000000 c5dd7fac f178d7b7 0000000c 0000000c b6f40e00 00000004 # [ 82.927657] 7f80: c03002e4 c5dd6000 c5dd7fa4 c5dd7f98 c059b27c c059b184 00000000 c5dd7fa8 # [ 82.935845] 7fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6df9000 0000000c 00000000 # [ 82.944034] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4 # [ 82.952223] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6 800e0030 00000001 00000000 00000000 # [ 82.960405] Backtrace: # [ 82.962881] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.971154] r5:c6c1c000 r4:00000027 # [ 82.974744] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.982768] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.990696] r9:c5dd7f60 r8:c3082240 r7:0000000c r6:b6df9000 r5:c5e82dc0 r4:c0c54754 # [ 82.998459] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.006300] r9:c07e0370 r8:c5dd7f60 r7:c2815800 r6:b6df9000 r5:c5e82dc0 r4:00000000 # [ 83.014055] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.021202] r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c5dd6000 r5:c5e82dc0 # [ 83.029038] r4:c5e82dc0 # [ 83.031588] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.038736] r9:c5dd6000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:0000000c r4:0000000c # [ 83.046501] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.054080] Exception stack(0xc5dd7fa8 to 0xc5dd7ff0) # [ 83.059146] 7fa0: 0000000c 0000000c 00000001 b6df9000 0000000c 00000000 # [ 83.067337] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4 # [ 83.075525] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6 # [ 83.080590] Code: e30e0168 e34c01ac e1a01004 ebffd401 (e5945000) # [ 83.086783] ---[ end trace eec2cb921daffbc8 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: l[ 83.627415] lkdtm: Performing direct entry WRITE_RO kdtm: WRITE_RO.sh [ 83.633323] lkdtm: attempting bad rodata write at c15e8f90 [ 83.640506] 8<--- cut here --- [ 83.643580] Unable to handle kernel paging request at virtual address c15e8f90 [ 83.650815] pgd = 38f3dc3e [ 83.653532] [c15e8f90] *pgd=1141941e(bad) [ 83.657569] Internal error: Oops: 80d [#12] SMP ARM [ 83.662457] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 83.691530] CPU: 0 PID: 2356 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 83.699283] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.705834] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 83.710213] LR is at __irq_work_queue_local+0x40/0x74 [ 83.715276] pc : [] lr : [] psr: 600e0013 [ 83.721549] sp : c5c03e50 ip : c5c03d58 fp : c5c03e64 [ 83.726779] r10: 00000009 r9 : c1acd264 r8 : c15e8cf8 [ 83.732011] r7 : c5c03f60 r6 : 00000009 r5 : c6bad000 r4 : c15e8f90 [ 83.738546] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ace068 [ 83.745082] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 83.752227] Control: 10c5387d Table: 1471404a DAC: 00000051 [ 83.757981] Process cat (pid: 2356, stack limit = 0xa3d5e96a) [ 83.763735] Stack: (0xc5c03e50 to 0xc5c04000) [ 83.768105] 3e40: 00000028 c6bad000 c5c03e74 c5c03e68 [ 83.776293] 3e60: c0c54374 c138bb54 c5c03e9c c5c03e78 c0c54874 c0c54354 c0c54754 c5e80dc0 [ 83.784483] 3e80: b6e54000 00000009 c3082240 c5c03f60 c5c03ec4 c5c03ea0 c07e03d4 c0c54760 [ 83.792671] 3ea0: 00000000 c5e80dc0 b6e54000 c2815800 c5c03f60 c07e0370 c5c03f5c c5c03ec8 [ 83.800863] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c02000 [ 83.809052] 3ee0: b6e54000 00020000 00000004 00000009 0001fff7 c5c03ee0 00000001 b6e53000 [ 83.817239] 3f00: c5e13900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 83.825431] 3f20: 00000000 00000000 c13a0ff0 67f578c5 c205dc60 c5e80dc0 c5e80dc0 c5c02000 [ 83.833619] 3f40: b6e54000 00000000 00000000 00000004 c5c03f94 c5c03f60 c059b1ec c059ab40 [ 83.841809] 3f60: 00000000 00000000 c5c03fac 67f578c5 00000009 00000009 b6f9be00 00000004 [ 83.849998] 3f80: c03002e4 c5c02000 c5c03fa4 c5c03f98 c059b27c c059b184 00000000 c5c03fa8 [ 83.858185] 3fa0: c03000c0 c059b270 00000009 00000009 00000001 b6e54000 00000009 00000000 [ 83.866374] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4 [ 83.874563] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 [ 83.882744] Backtrace: [ 83.885222] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.893235] r5:c6bad000 r4:00000028 [ 83.896825] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.904849] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.912778] r9:c5c03f60 r8:c3082240 r7:00000009 r6:b6e54000 r5:c5e80dc0 r4:c0c54754 [ 83.920538] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 83.928382] r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6e54000 r5:c5e80dc0 r4:00000000 [ 83.936138] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.943286] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5c02000 r5:c5e80dc0 [ 83.951122] r4:c5e80dc0 [ 83.953669] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.960816] r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000009 r4:00000009 [ 83.968575] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.976153] Exception stack(0xc5c03fa8 to 0xc5c03ff0) [ 83.981215] 3fa0: 00000009 00000009 00000001 b6e54000 00000009 00000000 [ 83.989402] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4 [ 83.997588] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6 [ 84.002652] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) [ 84.008760] ---[ end trace eec2cb921daffbc9 ]--- # Segmentation fault # [ 83.627415] lkdtm: Performing direct entry WRITE_RO # [ 83.633323] lkdtm: attempting bad rodata write at c15e8f90 # [ 83.640506] 8<--- cut here --- # [ 83.643580] Unable to handle kernel paging request at virtual address c15e8f90 # [ 83.650815] pgd = 38f3dc3e # [ 83.653532] [c15e8f90] *pgd=1141941e(bad) # [ 83.657569] Internal error: Oops: 80d [#12] SMP ARM # [ 83.662457] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 83.691530] CPU: 0 PID: 2356 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 83.699283] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.705834] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 83.710213] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.715276] pc : [] lr : [] psr: 600e0013 # [ 83.721549] sp : c5c03e50 ip : c5c03d58 fp : c5c03e64 # [ 83.726779] r10: 00000009 r9 : c1acd264 r8 : c15e8cf8 # [ 83.732011] r7 : c5c03f60 r6 : 00000009 r5 : c6bad000 r4 : c15e8f90 # [ 83.738546] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ace068 # [ 83.745082] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.752227] Control: 10c5387d Table: 1471404a DAC: 00000051 # [ 83.757981] Process cat (pid: 2356, stack limit = 0xa3d5e96a) # [ 83.763735] Stack: (0xc5c03e50 to 0xc5c04000) # [ 83.768105] 3e40: 00000028 c6bad000 c5c03e74 c5c03e68 # [ 83.776293] 3e60: c0c54374 c138bb54 c5c03e9c c5c03e78 c0c54874 c0c54354 c0c54754 c5e80dc0 # [ 83.784483] 3e80: b6e54000 00000009 c3082240 c5c03f60 c5c03ec4 c5c03ea0 c07e03d4 c0c54760 # [ 83.792671] 3ea0: 00000000 c5e80dc0 b6e54000 c2815800 c5c03f60 c07e0370 c5c03f5c c5c03ec8 # [ 83.800863] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c02000 # [ 83.809052] 3ee0: b6e54000 00020000 00000004 00000009 0001fff7 c5c03ee0 00000001 b6e53000 # [ 83.817239] 3f00: c5e13900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.825431] 3f20: 00000000 00000000 c13a0ff0 67f578c5 c205dc60 c5e80dc0 c5e80dc0 c5c02000 # [ 83.833619] 3f40: b6e54000 00000000 00000000 00000004 c5c03f94 c5c03f60 c059b1ec c059ab40 # [ 83.841809] 3f60: 00000000 00000000 c5c03fac 67f578c5 00000009 00000009 b6f9be00 00000004 # [ 83.849998] 3f80: c03002e4 c5c02000 c5c03fa4 c5c03f98 c059b27c c059b184 00000000 c5c03fa8 # [ 83.858185] 3fa0: c03000c0 c059b270 00000009 00000009 00000001 b6e54000 00000009 00000000 # [ 83.866374] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4 # [ 83.874563] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 # [ 83.882744] Backtrace: # [ 83.885222] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.893235] r5:c6bad000 r4:00000028 # [ 83.896825] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.904849] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.912778] r9:c5c03f60 r8:c3082240 r7:00000009 r6:b6e54000 r5:c5e80dc0 r4:c0c54754 # [ 83.920538] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.928382] r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6e54000 r5:c5e80dc0 r4:00000000 # [ 83.936138] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.943286] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5c02000 r5:c5e80dc0 # [ 83.951122] r4:c5e80dc0 # [ 83.953669] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.960816] r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000009 r4:00000009 # [ 83.968575] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.976153] Exception stack(0xc5c03fa8 to 0xc5c03ff0) # [ 83.981215] 3fa0: 00000009 00000009 00000001 b6e54000 00000009 00000000 # [ 83.989402] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4 # [ 83.997588] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6 # [ 84.002652] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) # [ 84.008760] [ 84.523788] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ---[ end trace eec2cb921daffbc9 ][ 84.530896] lkdtm: attempting bad ro_after_init write at c1b7ec60 --- # WRITE_RO: missing 'call tr[ 84.539833] 8<--- cut here --- ace:': [FAIL][ n o8t4 .o5k4 5378] Unable to handle kernel paging request at virtual address c1b7ec60 9 selftests: lk[d t m :8 4W.R5I5T812] pgd = a8f28a5a E_RO.sh # exit=1 [ # 8s4e.l5f59513] [c1b7ec60] *pgd=11a1941e(bad) ests: lkdtm: WRITE_RO_A[F T E 8R4.565621] Internal error: Oops: 80d [#13] SMP ARM INIT.sh [ 84.572834] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 84.602459] CPU: 3 PID: 2430 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 84.610208] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 84.616760] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 84.622093] LR is at __irq_work_queue_local+0x40/0x74 [ 84.627154] pc : [] lr : [] psr: 600e0013 [ 84.633428] sp : c5ee3e50 ip : c5ee3d58 fp : c5ee3e64 [ 84.638659] r10: 00000014 r9 : c1acd270 r8 : c15e8cf8 [ 84.643890] r7 : c5ee3f60 r6 : 00000014 r5 : c6bfd000 r4 : c1b7ec60 [ 84.650424] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ace068 [ 84.656960] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 84.664104] Control: 10c5387d Table: 16b1404a DAC: 00000051 [ 84.669859] Process cat (pid: 2430, stack limit = 0xc6e72e69) [ 84.675614] Stack: (0xc5ee3e50 to 0xc5ee4000) [ 84.679983] 3e40: 00000029 c6bfd000 c5ee3e74 c5ee3e68 [ 84.688172] 3e60: c0c54374 c138bba4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c69063c0 [ 84.696360] 3e80: b6e1b000 00000014 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 [ 84.704548] 3ea0: 00000000 c69063c0 b6e1b000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 [ 84.712736] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 [ 84.720925] 3ee0: b6e1b000 00020000 00000004 00000014 0001ffec c5ee3ee0 00000001 b6e1a000 [ 84.729115] 3f00: c68e9040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 84.737302] 3f20: 00000000 00000000 c13a0ff0 d59419dc c205dc60 c69063c0 c69063c0 c5ee2000 [ 84.745491] 3f40: b6e1b000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 [ 84.753679] 3f60: 00000000 00000000 c5ee3fac d59419dc 00000014 00000014 b6f62e00 00000004 [ 84.761866] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 [ 84.770054] 3fa0: c03000c0 c059b270 00000014 00000014 00000001 b6e1b000 00000014 00000000 [ 84.778243] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4 [ 84.786432] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 [ 84.794615] Backtrace: [ 84.797091] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 84.806059] r5:c6bfd000 r4:00000029 [ 84.809650] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 84.817673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 84.825602] r9:c5ee3f60 r8:c3082240 r7:00000014 r6:b6e1b000 r5:c69063c0 r4:c0c54754 [ 84.833363] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 84.841203] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e1b000 r5:c69063c0 r4:00000000 [ 84.848959] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.856106] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5ee2000 r5:c69063c0 [ 84.863942] r4:c69063c0 [ 84.866488] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.873635] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000014 r4:00000014 [ 84.881393] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.888968] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) [ 84.894031] 3fa0: 00000014 00000014 00000001 b6e1b000 00000014 00000000 [ 84.902219] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4 [ 84.910404] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6 [ 84.915468] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) [ 84.921576] ---[ end trace eec2cb921daffbca ]--- # Segmentation fault # [ 84.523788] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 84.530896] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 84.539833] 8<--- cut here --- # [ 84.545678] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 84.554812] pgd = a8f28a5a # [ 84.559513] [c1b7ec60] *pgd=11a1941e(bad) # [ 84.565621] Internal error: Oops: 80d [#13] SMP ARM # [ 84.572834] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 84.602459] CPU: 3 PID: 2430 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 84.610208] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.616760] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 84.622093] LR is at __irq_work_queue_local+0x40/0x74 # [ 84.627154] pc : [] lr : [] psr: 600e0013 # [ 84.633428] sp : c5ee3e50 ip : c5ee3d58 fp : c5ee3e64 # [ 84.638659] r10: 00000014 r9 : c1acd270 r8 : c15e8cf8 # [ 84.643890] r7 : c5ee3f60 r6 : 00000014 r5 : c6bfd000 r4 : c1b7ec60 # [ 84.650424] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ace068 # [ 84.656960] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.664104] Control: 10c5387d Table: 16b1404a DAC: 00000051 # [ 84.669859] Process cat (pid: 2430, stack limit = 0xc6e72e69) # [ 84.675614] Stack: (0xc5ee3e50 to 0xc5ee4000) # [ 84.679983] 3e40: 00000029 c6bfd000 c5ee3e74 c5ee3e68 # [ 84.688172] 3e60: c0c54374 c138bba4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c69063c0 # [ 84.696360] 3e80: b6e1b000 00000014 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760 # [ 84.704548] 3ea0: 00000000 c69063c0 b6e1b000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8 # [ 84.712736] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000 # [ 84.720925] 3ee0: b6e1b000 00020000 00000004 00000014 0001ffec c5ee3ee0 00000001 b6e1a000 # [ 84.729115] 3f00: c68e9040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.737302] 3f20: 00000000 00000000 c13a0ff0 d59419dc c205dc60 c69063c0 c69063c0 c5ee2000 # [ 84.745491] 3f40: b6e1b000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40 # [ 84.753679] 3f60: 00000000 00000000 c5ee3fac d59419dc 00000014 00000014 b6f62e00 00000004 # [ 84.761866] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8 # [ 84.770054] 3fa0: c03000c0 c059b270 00000014 00000014 00000001 b6e1b000 00000014 00000000 # [ 84.778243] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4 # [ 84.786432] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 # [ 84.794615] Backtrace: # [ 84.797091] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.806059] r5:c6bfd000 r4:00000029 # [ 84.809650] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.817673] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.825602] r9:c5ee3f60 r8:c3082240 r7:00000014 r6:b6e1b000 r5:c69063c0 r4:c0c54754 # [ 84.833363] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.841203] r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e1b000 r5:c69063c0 r4:00000000 # [ 84.848959] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.856106] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5ee2000 r5:c69063c0 # [ 84.863942] r4:c69063c0 # [ 84.866488] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.873635] r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000014 r4:00000014 # [ 84.881393] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.888968] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0) # [ 84.894031] 3fa0: 00000014 00000014 00000001 b6e1b000 00000014 00000000 # [ 84.902219] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4 # [ 84.910404] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6 # [ 84.915468] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) # [ 84.921576] ---[ end trace eec2cb921daffbca ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh [ 85.520643] lkdtm: Performing direct entry WRITE_KERN [ 85.525725] lkdtm: attempting bad 7563660 byte write at c138ba70 [ 85.531847] 8<--- cut here --- [ 85.534916] Unable to handle kernel paging request at virtual address c138ba70 [ 85.542150] pgd = aafc262c [ 85.544865] [c138ba70] *pgd=1121940e(bad) [ 85.548901] Internal error: Oops: 80d [#14] SMP ARM [ 85.553788] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 85.582860] CPU: 3 PID: 2504 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 85.590613] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 85.597157] PC is at memcpy+0x50/0x330 [ 85.600917] LR is at 0xe92dd830 [ 85.604068] pc : [] lr : [] psr: 200e0013 [ 85.610340] sp : c6a8fe2c ip : e1a0c00d fp : c6a8fe64 [ 85.615572] r10: 0000000b r9 : c1acd284 r8 : e89da800 [ 85.620804] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 85.627338] r3 : e1a0c00d r2 : 007368ec r1 : c0c55104 r0 : c138ba70 [ 85.633874] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 85.641018] Control: 10c5387d Table: 15ffc04a DAC: 00000051 [ 85.646772] Process cat (pid: 2504, stack limit = 0xd3cce7ab) [ 85.652527] Stack: (0xc6a8fe2c to 0xc6a90000) [ 85.656898] fe20: c0c550e4 0073698c c6a8ff60 c15e8cf8 c138ba70 [ 85.665088] fe40: c138ba70 c138bc54 0000002a c6bfb000 0000000b c6a8ff60 c6a8fe74 c6a8fe68 [ 85.673278] fe60: c0c54374 c138bc14 c6a8fe9c c6a8fe78 c0c54874 c0c54354 c0c54754 c6907e00 [ 85.681467] fe80: b6dd0000 0000000b c3082240 c6a8ff60 c6a8fec4 c6a8fea0 c07e03d4 c0c54760 [ 85.689657] fea0: 00000000 c6907e00 b6dd0000 c2815800 c6a8ff60 c07e0370 c6a8ff5c c6a8fec8 [ 85.697847] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6a8e000 [ 85.706036] fee0: b6dd0000 00020000 00000004 0000000b 0001fff5 c6a8fee0 00000001 b6dcf000 [ 85.714225] ff00: c5e81540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 85.722416] ff20: 00000000 00000000 c13a0ff0 91bdede2 c205dc60 c6907e00 c6907e00 c6a8e000 [ 85.730604] ff40: b6dd0000 00000000 00000000 00000004 c6a8ff94 c6a8ff60 c059b1ec c059ab40 [ 85.738794] ff60: 00000000 00000000 c6a8ffac 91bdede2 0000000b 0000000b b6f17e00 00000004 [ 85.746983] ff80: c03002e4 c6a8e000 c6a8ffa4 c6a8ff98 c059b27c c059b184 00000000 c6a8ffa8 [ 85.755171] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6dd0000 0000000b 00000000 [ 85.763360] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4 [ 85.771550] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000 [ 85.779733] Backtrace: [ 85.782214] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 85.790405] r7:c6a8ff60 r6:0000000b r5:c6bfb000 r4:0000002a [ 85.796079] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 85.804102] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 85.812031] r9:c6a8ff60 r8:c3082240 r7:0000000b r6:b6dd0000 r5:c6907e00 r4:c0c54754 [ 85.819795] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 85.827636] r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6dd0000 r5:c6907e00 r4:00000000 [ 85.835392] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 85.842538] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6a8e000 r5:c6907e00 [ 85.850374] r4:c6907e00 [ 85.852920] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 85.860066] r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000000b r4:0000000b [ 85.867826] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 85.875402] Exception stack(0xc6a8ffa8 to 0xc6a8fff0) [ 85.880465] ffa0: 0000000b 0000000b 00000001 b6dd0000 0000000b 00000000 [ 85.888655] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4 [ 85.896839] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6 [ 85.901904] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 85.908012] ---[ end trace eec2cb921daffbcb ]--- # Segmentation fault # [ 85.520643] lkdtm: Performing direct entry WRITE_KERN # [ 85.525725] lkdtm: attempting bad 7563660 byte write at c138ba70 # [ 85.531847] 8<--- cut here --- # [ 85.534916] Unable to handle kernel paging request at virtual address c138ba70 # [ 85.542150] pgd = aafc262c # [ 85.544865] [c138ba70] *pgd=1121940e(bad) # [ 85.548901] Internal error: Oops: 80d [#14] SMP ARM # [ 85.553788] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 85.582860] CPU: 3 PID: 2504 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 85.590613] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.597157] PC is at memcpy+0x50/0x330 # [ 85.600917] LR is at 0xe92dd830 # [ 85.604068] pc : [] lr : [] psr: 200e0013 # [ 85.610340] sp : c6a8fe2c ip : e1a0c00d fp : c6a8fe64 # [ 85.615572] r10: 0000000b r9 : c1acd284 r8 : e89da800 # [ 85.620804] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 85.627338] r3 : e1a0c00d r2 : 007368ec r1 : c0c55104 r0 : c138ba70 # [ 85.633874] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.641018] Control: 10c5387d Table: 15ffc04a DAC: 00000051 # [ 85.646772] Process cat (pid: 2504, stack limit = 0xd3cce7ab) # [ 85.652527] Stack: (0xc6a8fe2c to 0xc6a90000) # [ 85.656898] fe20: c0c550e4 0073698c c6a8ff60 c15e8cf8 c138ba70 # [ 85.665088] fe40: c138ba70 c138bc54 0000002a c6bfb000 0000000b c6a8ff60 c6a8fe74 c6a8fe68 # [ 85.673278] fe60: c0c54374 c138bc14 c6a8fe9c c6a8fe78 c0c54874 c0c54354 c0c54754 c6907e00 # [ 85.681467] fe80: b6dd0000 0000000b c3082240 c6a8ff60 c6a8fec4 c6a8fea0 c07e03d4 c0c54760 # [ 85.689657] fea0: 00000000 c6907e00 b6dd0000 c2815800 c6a8ff60 c07e0370 c6a8ff5c c6a8fec8 # [ 85.697847] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6a8e000 # [ 85.706036] fee0: b6dd0000 00020000 00000004 0000000b 0001fff5 c6a8fee0 00000001 b6dcf000 # [ 85.714225] ff00: c5e81540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.722416] ff20: 00000000 00000000 c13a0ff0 91bdede2 c205dc60 c6907e00 c6907e00 c6a8e000 # [ 85.730604] ff40: b6dd0000 00000000 00000000 00000004 c6a8ff94 c6a8ff60 c059b1ec c059ab40 # [ 85.738794] ff60: 00000000 00000000 c6a8ffac 91bdede2 0000000b 0000000b b6f17e00 00000004 # [ 85.746983] ff80: c03002e4 c6a8e000 c6a8ffa4 c6a8ff98 c059b27c c059b184 00000000 c6a8ffa8 # [ 85.755171] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6dd0000 0000000b 00000000 # [ 85.763360] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4 # [ 85.771550] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000 # [ 85.779733] Backtrace: # [ 85.782214] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.790405] r7:c6a8ff60 r6:0000000b r5:c6bfb000 r4:0000002a # [ 85.796079] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.804102] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.812031] r9:c6a8ff60 r8:c3082240 r7:0000000b r6:b6dd0000 r5:c6907e00 r4:c0c54754 # [ 85.819795] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.827636] r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6dd0000 r5:c6907e00 r4:00000000 # [ 85.835392] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.842538] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6a8e000 r5:c6907e00 # [ 85.850374] r4:c6907e00 # [ 85.852920] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.860066] r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000000b r4:0000000b # [ 85.867826] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.875402] Exception stack(0xc6a8ffa8 to 0xc6a8fff0) # [ 85.880465] ffa0: 0000000b 0000000b 00000001 b6dd0000 0000000b 00000000 # [ 85.888655] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4 # [ 85.896839] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6 # [ 85.901904] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 85.908012] ---[ end trace eec2cb921daffbcb ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 86.510928] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 86.516986] lkdtm: attempting good refcount_inc() without overflow [ 86.523299] lkdtm: attempting bad refcount_inc() overflow [ 86.528771] ------------[ cut here ]------------ [ 86.533421] WARNING: CPU: 1 PID: 2579 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 86.541927] refcount_t: saturated; leaking memory. [ 86.546734] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 86.576012] CPU: 1 PID: 2579 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 86.583765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 86.590299] Backtrace: [ 86.592777] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 86.600360] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 86.606038] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 86.613366] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 86.620340] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 [ 86.628096] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 86.635589] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5ac0000 [ 86.641264] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 86.650234] r9:c1acd290 r8:c15e8cf8 r7:c5ac1f60 r6:00000016 r5:c5e44000 r4:c5ac0000 [ 86.657995] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 86.667671] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 86.677773] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 86.686912] r4:0000002b [ 86.689459] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 86.697479] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 86.705408] r9:c5ac1f60 r8:c3082240 r7:00000016 r6:b6e39000 r5:c5aed040 r4:c0c54754 [ 86.713170] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 86.721010] r9:c07e0370 r8:c5ac1f60 r7:c2815800 r6:b6e39000 r5:c5aed040 r4:00000000 [ 86.728767] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.735914] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c5ac0000 r5:c5aed040 [ 86.743750] r4:c5aed040 [ 86.746295] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.753441] r9:c5ac0000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016 [ 86.761198] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.768775] Exception stack(0xc5ac1fa8 to 0xc5ac1ff0) [ 86.773838] 1fa0: 00000016 00000016 00000001 b6e39000 00000016 00000000 [ 86.782029] 1fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bef7eac4 [ 86.790214] 1fe0: 00000004 bef7e7f8 b6eead8f b6e717e6 [ 86.795361] irq event stamp: 0 [ 86.798468] hardirqs last enabled at (0): [<00000000>] 0x0 [ 86.804065] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 86.811612] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 86.819179] softirqs last disabled at (0): [<00000000>] 0x0 [ 86.824772] ---[ end trace eec2cb921daffbcc ]--- [ 86.829440] lkdtm: Overflow detected: saturated # [ 86.510928] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 86.516986] lkdtm: attempting good refcount_inc() without overflow # [ 86.523299] lkdtm: attempting bad refcount_inc() overflow # [ 86.528771] ------------[ cut here ]------------ # [ 86.533421] WARNING: CPU: 1 PID: 2579 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.541927] refcount_t: saturated; leaking memory. # [ 86.546734] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 86.576012] CPU: 1 PID: 2579 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 86.583765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.590299] Backtrace: # [ 86.592777] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.600360] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 86.606038] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.613366] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.620340] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 # [ 86.628096] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.635589] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5ac0000 # [ 86.641264] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.650234] r9:c1acd290 r8:c15e8cf8 r7:c5ac1f60 r6:00000016 r5:c5e44000 r4:c5ac0000 # [ 86.657995] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.667671] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 86.677773] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.686912] r4:0000002b # [ 86.689459] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.697479] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.705408] r9:c5ac1f60 r8:c3082240 r7:00000016 r6:b6e39000 r5:c5aed040 r4:c0c54754 # [ 86.713170] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.721010] r9:c07e0370 r8:c5ac1f60 r7:c2815800 r6:b6e39000 r5:c5aed040 r4:00000000 # [ 86.728767] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.735914] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c5ac0000 r5:c5aed040 # [ 86.743750] r4:c5aed040 # [ 86.746295] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.753441] r9:c5ac0000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016 # [ 86.761198] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.768775] Exception stack(0xc5ac1fa8 to 0xc5ac1ff0) # [ 86.773838] 1fa0: 00000016 00000016 00000001 b6e39000 00000016 00000000 # [ 86.782029] 1fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bef7eac4 # [ 86.790214] 1fe0: 00000004 bef7e7f8 b6eead8f b6e717e6 # [ 86.795361] irq event stamp: 0 # [ 86.798468] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.804065] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.811612] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.819179] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.824772] ---[ end trace eec2cb921daffbcc ]--- # [ 86.829440] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 87.356252] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 87.362448] lkdtm: attempting good refcount_add() without overflow [ 87.368723] lkdtm: attempting bad refcount_add() overflow [ 87.374138] ------------[ cut here ]------------ [ 87.378841] WARNING: CPU: 0 PID: 2613 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 87.387342] refcount_t: saturated; leaking memory. [ 87.392147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 87.421481] CPU: 0 PID: 2613 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 87.429235] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 87.435771] Backtrace: [ 87.438248] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 87.445830] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 87.451506] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 87.458834] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 87.465807] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 [ 87.473564] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 87.481055] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5edc000 [ 87.486729] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 87.495699] r9:c1acd2a8 r8:c15e8cf8 r7:c5eddf60 r6:00000016 r5:c6bb0000 r4:c5edc000 [ 87.503460] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 87.513132] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 87.523236] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 87.532374] r4:0000002c [ 87.534921] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 87.542940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 87.550870] r9:c5eddf60 r8:c3082240 r7:00000016 r6:b6e65000 r5:c5e12280 r4:c0c54754 [ 87.558630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 87.566470] r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6e65000 r5:c5e12280 r4:00000000 [ 87.574225] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.581371] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5edc000 r5:c5e12280 [ 87.589206] r4:c5e12280 [ 87.591753] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 87.598898] r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000016 r4:00000016 [ 87.606656] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 87.614233] Exception stack(0xc5eddfa8 to 0xc5eddff0) [ 87.619299] dfa0: 00000016 00000016 00000001 b6e65000 00000016 00000000 [ 87.627488] dfc0: 00000016 00000016 b6face00 00000004 00000001 00000000 00020000 bead6ac4 [ 87.635674] dfe0: 00000004 bead67f8 b6f16d8f b6e9d7e6 [ 87.640829] irq event stamp: 0 [ 87.643908] hardirqs last enabled at (0): [<00000000>] 0x0 [ 87.649538] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 87.657329] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 87.665956] softirqs last disabled at (0): [<00000000>] 0x0 [ 87.671611] ---[ end trace eec2cb921daffbcd ]--- [ 87.676246] lkdtm: Overflow detected: saturated # [ 87.356252] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 87.362448] lkdtm: attempting good refcount_add() without overflow # [ 87.368723] lkdtm: attempting bad refcount_add() overflow # [ 87.374138] ------------[ cut here ]------------ # [ 87.378841] WARNING: CPU: 0 PID: 2613 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 87.387342] refcount_t: saturated; leaking memory. # [ 87.392147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 87.421481] CPU: 0 PID: 2613 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 87.429235] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.435771] Backtrace: # [ 87.438248] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.445830] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 87.451506] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.458834] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.465807] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 # [ 87.473564] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.481055] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5edc000 # [ 87.486729] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 87.495699] r9:c1acd2a8 r8:c15e8cf8 r7:c5eddf60 r6:00000016 r5:c6bb0000 r4:c5edc000 # [ 87.503460] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 87.513132] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 87.523236] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.532374] r4:0000002c # [ 87.534921] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.542940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.550870] r9:c5eddf60 r8:c3082240 r7:00000016 r6:b6e65000 r5:c5e12280 r4:c0c54754 # [ 87.558630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.566470] r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6e65000 r5:c5e12280 r4:00000000 # [ 87.574225] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.581371] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5edc000 r5:c5e12280 # [ 87.589206] r4:c5e12280 # [ 87.591753] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.598898] r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000016 r4:00000016 # [ 87.606656] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.614233] Exception stack(0xc5eddfa8 to 0xc5eddff0) # [ 87.619299] dfa0: 00000016 00000016 00000001 b6e65000 00000016 00000000 # [ 87.627488] dfc0: 00000016 00000016 b6face00 00000004 00000001 00000000 00020000 bead6ac4 # [ 87.635674] dfe0: 00000004 bead67f8 b6f16d8f b6e9d7e6 # [ 87.640829] irq event stamp: 0 # [ 87.643908] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.649538] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.657329] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.665956] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.671611] ---[ end trace eec2cb921daffbcd ]--- # [ 87.676246] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 88.214805] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 88.221762] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 88.228053] ------------[ cut here ]------------ [ 88.232731] WARNING: CPU: 1 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 88.241245] refcount_t: saturated; leaking memory. [ 88.246052] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 88.275281] CPU: 1 PID: 2647 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 88.283035] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 88.289569] Backtrace: [ 88.292048] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 88.299631] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 88.305306] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 88.312636] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 88.319610] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 [ 88.327367] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 88.334859] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5a22000 [ 88.340534] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 88.349503] r9:c1acd2c0 r8:c15e8cf8 r7:c5a23f60 r6:0000001f r5:c5e44000 r4:7fffffff [ 88.357267] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 88.367724] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 88.379382] r5:c5e44000 r4:c5a22000 [ 88.382977] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.392898] r4:0000002d [ 88.395445] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.403467] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.411394] r9:c5a23f60 r8:c3082240 r7:0000001f r6:b6e67000 r5:c5e9c3c0 r4:c0c54754 [ 88.419156] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 88.426997] r9:c07e0370 r8:c5a23f60 r7:c2815800 r6:b6e67000 r5:c5e9c3c0 r4:00000000 [ 88.434752] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.441897] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c5a22000 r5:c5e9c3c0 [ 88.449732] r4:c5e9c3c0 [ 88.452281] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.459428] r9:c5a22000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:0000001f r4:0000001f [ 88.467186] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.474764] Exception stack(0xc5a23fa8 to 0xc5a23ff0) [ 88.479829] 3fa0: 0000001f 0000001f 00000001 b6e67000 0000001f 00000000 [ 88.488020] 3fc0: 0000001f 0000001f b6faee00 00000004 00000001 00000000 00020000 bec64ac4 [ 88.496205] 3fe0: 00000004 bec647f8 b6f18d8f b6e9f7e6 [ 88.501337] irq event stamp: 0 [ 88.504416] hardirqs last enabled at (0): [<00000000>] 0x0 [ 88.510040] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 88.517588] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 88.525124] softirqs last disabled at (0): [<00000000>] 0x0 [ 88.530767] ---[ end trace eec2cb921daffbce ]--- [ 88.535412] lkdtm: Overflow detected: saturated # [ 88.214805] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 88.221762] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 88.228053] ------------[ cut here ]------------ # [ 88.232731] WARNING: CPU: 1 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.241245] refcount_t: saturated; leaking memory. # [ 88.246052] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 88.275281] CPU: 1 PID: 2647 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 88.283035] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.289569] Backtrace: # [ 88.292048] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.299631] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 88.305306] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.312636] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.319610] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 # [ 88.327367] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.334859] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5a22000 # [ 88.340534] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.349503] r9:c1acd2c0 r8:c15e8cf8 r7:c5a23f60 r6:0000001f r5:c5e44000 r4:7fffffff # [ 88.357267] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.367724] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 88.379382] r5:c5e44000 r4:c5a22000 # [ 88.382977] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.392898] r4:0000002d # [ 88.395445] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.403467] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.411394] r9:c5a23f60 r8:c3082240 r7:0000001f r6:b6e67000 r5:c5e9c3c0 r4:c0c54754 # [ 88.419156] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.426997] r9:c07e0370 r8:c5a23f60 r7:c2815800 r6:b6e67000 r5:c5e9c3c0 r4:00000000 # [ 88.434752] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.441897] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c5a22000 r5:c5e9c3c0 # [ 88.449732] r4:c5e9c3c0 # [ 88.452281] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.459428] r9:c5a22000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:0000001f r4:0000001f # [ 88.467186] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.474764] Exception stack(0xc5a23fa8 to 0xc5a23ff0) # [ 88.479829] 3fa0: 0000001f 0000001f 00000001 b6e67000 0000001f 00000000 # [ 88.488020] 3fc0: 0000001f 0000001f b6faee00 00000004 00000001 00000000 00020000 bec64ac4 # [ 88.496205] 3fe0: 00000004 bec647f8 b6f18d8f b6e9f7e6 # [ 88.501337] irq event stamp: 0 # [ 88.504416] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.510040] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.517588] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.525124] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.530767] ---[ end trace eec2cb921daffbce ]--- # [ 88.535412] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 89.068085] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 89.074899] lkdtm: attempting bad refcount_add_not_zero() overflow [ 89.081156] ------------[ cut here ]------------ [ 89.085807] WARNING: CPU: 3 PID: 2681 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 89.094309] refcount_t: saturated; leaking memory. [ 89.099148] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 89.128397] CPU: 3 PID: 2681 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 89.136150] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 89.142685] Backtrace: [ 89.145164] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 89.152745] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 89.158421] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 89.165749] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 89.172725] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 [ 89.180482] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 89.187976] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5edc000 [ 89.193649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 89.202618] r9:c1acd2e0 r8:c15e8cf8 r7:c5eddf60 r6:0000001f r5:c6bfb000 r4:7fffffff [ 89.210382] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 89.220836] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 89.232493] r5:c6bfb000 r4:c5edc000 [ 89.236086] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.246007] r4:0000002e [ 89.248553] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.256575] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.264506] r9:c5eddf60 r8:c3082240 r7:0000001f r6:b6dea000 r5:c5aed400 r4:c0c54754 [ 89.272267] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.280108] r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6dea000 r5:c5aed400 r4:00000000 [ 89.287863] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.295011] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5edc000 r5:c5aed400 [ 89.302846] r4:c5aed400 [ 89.305393] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.312540] r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:0000001f r4:0000001f [ 89.320297] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.327874] Exception stack(0xc5eddfa8 to 0xc5eddff0) [ 89.332938] dfa0: 0000001f 0000001f 00000001 b6dea000 0000001f 00000000 [ 89.341127] dfc0: 0000001f 0000001f b6f31e00 00000004 00000001 00000000 00020000 befd3ac4 [ 89.349313] dfe0: 00000004 befd37f8 b6e9bd8f b6e227e6 [ 89.354441] irq event stamp: 0 [ 89.357545] hardirqs last enabled at (0): [<00000000>] 0x0 [ 89.363140] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 89.370694] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 89.378271] softirqs last disabled at (0): [<00000000>] 0x0 [ 89.383873] ---[ end trace eec2cb921daffbcf ]--- [ 89.388551] lkdtm: Overflow detected: saturated # [ 89.068085] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 89.074899] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 89.081156] ------------[ cut here ]------------ # [ 89.085807] WARNING: CPU: 3 PID: 2681 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 89.094309] refcount_t: saturated; leaking memory. # [ 89.099148] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 89.128397] CPU: 3 PID: 2681 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 89.136150] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.142685] Backtrace: # [ 89.145164] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.152745] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 89.158421] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.165749] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.172725] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 # [ 89.180482] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.187976] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5edc000 # [ 89.193649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 89.202618] r9:c1acd2e0 r8:c15e8cf8 r7:c5eddf60 r6:0000001f r5:c6bfb000 r4:7fffffff # [ 89.210382] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 89.220836] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 89.232493] r5:c6bfb000 r4:c5edc000 # [ 89.236086] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.246007] r4:0000002e # [ 89.248553] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.256575] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.264506] r9:c5eddf60 r8:c3082240 r7:0000001f r6:b6dea000 r5:c5aed400 r4:c0c54754 # [ 89.272267] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.280108] r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6dea000 r5:c5aed400 r4:00000000 # [ 89.287863] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.295011] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5edc000 r5:c5aed400 # [ 89.302846] r4:c5aed400 # [ 89.305393] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.312540] r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:0000001f r4:0000001f # [ 89.320297] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.327874] Exception stack(0xc5eddfa8 to 0xc5eddff0) # [ 89.332938] dfa0: 0000001f 0000001f 00000001 b6dea000 0000001f 00000000 # [ 89.341127] dfc0: 0000001f 0000001f b6f31e00 00000004 00000001 00000000 00020000 befd3ac4 # [ 89.349313] dfe0: 00000004 befd37f8 b6e9bd8f b6e227e6 # [ 89.354441] irq event stamp: 0 # [ 89.357545] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.363140] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.370694] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.378271] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.383873] ---[ end trace eec2cb921daffbcf ]--- # [ 89.388551] 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 [ 89.931001] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 89.936686] lkdtm: attempting good refcount_dec() [ 89.941475] lkdtm: attempting bad refcount_dec() to zero [ 89.946804] ------------[ cut here ]------------ [ 89.951506] WARNING: CPU: 3 PID: 2715 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 89.960015] refcount_t: decrement hit 0; leaking memory. [ 89.965342] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 89.994574] CPU: 3 PID: 2715 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 90.002326] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 90.008861] Backtrace: [ 90.011337] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 90.018920] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 90.024595] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 90.031922] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 90.038896] r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0 [ 90.046654] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 90.054147] r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c6852000 [ 90.059823] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 90.068793] r9:c1acd300 r8:c15e8cf8 r7:c6853f60 r6:00000012 r5:c6bfb000 r4:c6852000 [ 90.076554] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 90.086227] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 90.095984] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.104777] r4:0000002f [ 90.107325] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.115348] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.123277] r9:c6853f60 r8:c3082240 r7:00000012 r6:b6ddd000 r5:c5aecc80 r4:c0c54754 [ 90.131040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 90.138883] r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6ddd000 r5:c5aecc80 r4:00000000 [ 90.146638] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 90.153784] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6852000 r5:c5aecc80 [ 90.161620] r4:c5aecc80 [ 90.164167] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 90.171314] r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:00000012 r4:00000012 [ 90.179071] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 90.186647] Exception stack(0xc6853fa8 to 0xc6853ff0) [ 90.191711] 3fa0: 00000012 00000012 00000001 b6ddd000 00000012 00000000 [ 90.199900] 3fc0: 00000012 00000012 b6f24e00 00000004 00000001 00000000 00020000 bee89ac4 [ 90.208085] 3fe0: 00000004 bee897f8 b6e8ed8f b6e157e6 [ 90.213251] irq event stamp: 0 [ 90.216329] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.221959] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.229511] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.237042] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.242697] ---[ end trace eec2cb921daffbd0 ]--- [ 90.247374] lkdtm: Zero detected: saturated # [ 89.931001] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 89.936686] lkdtm: attempting good refcount_dec() # [ 89.941475] lkdtm: attempting bad refcount_dec() to zero # [ 89.946804] ------------[ cut here ]------------ # [ 89.951506] WARNING: CPU: 3 PID: 2715 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.960015] refcount_t: decrement hit 0; leaking memory. # [ 89.965342] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 89.994574] CPU: 3 PID: 2715 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 90.002326] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.008861] Backtrace: # [ 90.011337] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.018920] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 90.024595] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.031922] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.038896] r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0 # [ 90.046654] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.054147] r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c6852000 # [ 90.059823] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.068793] r9:c1acd300 r8:c15e8cf8 r7:c6853f60 r6:00000012 r5:c6bfb000 r4:c6852000 # [ 90.076554] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.086227] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 90.095984] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.104777] r4:0000002f # [ 90.107325] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.115348] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.123277] r9:c6853f60 r8:c3082240 r7:00000012 r6:b6ddd000 r5:c5aecc80 r4:c0c54754 # [ 90.131040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.138883] r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6ddd000 r5:c5aecc80 r4:00000000 # [ 90.146638] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.153784] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6852000 r5:c5aecc80 # [ 90.161620] r4:c5aecc80 # [ 90.164167] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.171314] r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:00000012 r4:00000012 # [ 90.179071] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.186647] Exception stack(0xc6853fa8 to 0xc6853ff0) # [ 90.191711] 3fa0: 00000012 00000012 00000001 b6ddd000 00000012 00000000 # [ 90.199900] 3fc0: 00000012 00000012 b6f24e00 00000004 00000001 00000000 00020000 bee89ac4 # [ 90.208085] 3fe0: 00000004 bee897f8 b6e8ed8f b6e157e6 # [ 90.213251] irq event stamp: 0 # [ 90.216329] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.221959] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.229511] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.237042] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.242697] ---[ end trace eec2cb921daffbd0 ]--- # [ 90.247374] 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 [ 90.792138] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 90.798295] lkdtm: attempting bad refcount_dec() below zero [ 90.803905] ------------[ cut here ]------------ [ 90.808628] WARNING: CPU: 1 PID: 2752 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 90.817160] refcount_t: decrement hit 0; leaking memory. [ 90.822487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 90.851726] CPU: 1 PID: 2752 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 90.859479] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 90.866013] Backtrace: [ 90.868491] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 90.876075] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 90.881753] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 90.889081] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 90.896055] r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0 [ 90.903813] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 90.911304] r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5c5e000 [ 90.916979] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 90.925950] r9:c1acd314 r8:c15e8cf8 r7:c5c5ff60 r6:00000016 r5:00000000 r4:c5c5e000 [ 90.933710] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 90.943381] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 90.953483] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.962624] r5:c5e44000 r4:00000030 [ 90.966213] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.974235] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.982164] r9:c5c5ff60 r8:c3082240 r7:00000016 r6:b6dc1000 r5:c5dda3c0 r4:c0c54754 [ 90.989924] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 90.997766] r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6dc1000 r5:c5dda3c0 r4:00000000 [ 91.005521] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 91.012669] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5c5e000 r5:c5dda3c0 [ 91.020505] r4:c5dda3c0 [ 91.023053] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 91.030201] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000016 r4:00000016 [ 91.037958] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 91.045535] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) [ 91.050599] ffa0: 00000016 00000016 00000001 b6dc1000 00000016 00000000 [ 91.058788] ffc0: 00000016 00000016 b6f08e00 00000004 00000001 00000000 00020000 bee37ac4 [ 91.066975] ffe0: 00000004 bee377f8 b6e72d8f b6df97e6 [ 91.072120] irq event stamp: 0 [ 91.075197] hardirqs last enabled at (0): [<00000000>] 0x0 [ 91.080824] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 91.088388] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 91.095894] softirqs last disabled at (0): [<00000000>] 0x0 [ 91.101540] ---[ end trace eec2cb921daffbd1 ]--- [ 91.106184] lkdtm: Negative detected: saturated # [ 90.792138] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 90.798295] lkdtm: attempting bad refcount_dec() below zero # [ 90.803905] ------------[ cut here ]------------ # [ 90.808628] WARNING: CPU: 1 PID: 2752 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.817160] refcount_t: decrement hit 0; leaking memory. # [ 90.822487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 90.851726] CPU: 1 PID: 2752 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 90.859479] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.866013] Backtrace: # [ 90.868491] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.876075] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 90.881753] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.889081] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.896055] r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0 # [ 90.903813] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.911304] r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5c5e000 # [ 90.916979] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.925950] r9:c1acd314 r8:c15e8cf8 r7:c5c5ff60 r6:00000016 r5:00000000 r4:c5c5e000 # [ 90.933710] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.943381] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 90.953483] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.962624] r5:c5e44000 r4:00000030 # [ 90.966213] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.974235] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.982164] r9:c5c5ff60 r8:c3082240 r7:00000016 r6:b6dc1000 r5:c5dda3c0 r4:c0c54754 # [ 90.989924] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.997766] r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6dc1000 r5:c5dda3c0 r4:00000000 # [ 91.005521] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.012669] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5c5e000 r5:c5dda3c0 # [ 91.020505] r4:c5dda3c0 # [ 91.023053] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.030201] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000016 r4:00000016 # [ 91.037958] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.045535] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) # [ 91.050599] ffa0: 00000016 00000016 00000001 b6dc1000 00000016 00000000 # [ 91.058788] ffc0: 00000016 00000016 b6f08e00 00000004 00000001 00000000 00020000 bee37ac4 # [ 91.066975] ffe0: 00000004 bee377f8 b6e72d8f b6df97e6 # [ 91.072120] irq event stamp: 0 # [ 91.075197] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.080824] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.088388] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.095894] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.101540] ---[ end trace eec2cb921daffbd1 ]--- # [ 91.106184] 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 [ 91.660888] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 91.667804] lkdtm: attempting bad refcount_dec_and_test() below zero [ 91.674194] ------------[ cut here ]------------ [ 91.678924] WARNING: CPU: 1 PID: 2787 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 91.687505] refcount_t: underflow; use-after-free. [ 91.692311] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 91.721569] CPU: 1 PID: 2787 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 91.729325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 91.735859] Backtrace: [ 91.738337] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 91.745919] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 91.751595] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 91.758924] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 91.765898] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 [ 91.773656] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 91.781150] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000 [ 91.786825] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 91.795883] r9:c1acd32c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:00000000 r4:c68ce000 [ 91.803643] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 91.814100] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 91.825767] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 91.835687] r5:c6c26000 r4:00000031 [ 91.839274] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 91.847294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 91.855223] r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e64000 r5:c5e9d900 r4:c0c54754 [ 91.862985] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 91.870827] r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e64000 r5:c5e9d900 r4:00000000 [ 91.878583] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 91.885731] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c68ce000 r5:c5e9d900 [ 91.893567] r4:c5e9d900 [ 91.896116] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 91.903264] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000001f r4:0000001f [ 91.911022] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 91.918599] Exception stack(0xc68cffa8 to 0xc68cfff0) [ 91.923663] ffa0: 0000001f 0000001f 00000001 b6e64000 0000001f 00000000 [ 91.931852] ffc0: 0000001f 0000001f b6fabe00 00000004 00000001 00000000 00020000 bed35ac4 [ 91.940039] ffe0: 00000004 bed357f8 b6f15d8f b6e9c7e6 [ 91.945169] irq event stamp: 0 [ 91.948277] hardirqs last enabled at (0): [<00000000>] 0x0 [ 91.953874] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 91.961426] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 91.968978] softirqs last disabled at (0): [<00000000>] 0x0 [ 91.974571] ---[ end trace eec2cb921daffbd2 ]--- [ 91.979239] lkdtm: Negative detected: saturated # [ 91.660888] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 91.667804] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 91.674194] ------------[ cut here ]------------ # [ 91.678924] WARNING: CPU: 1 PID: 2787 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.687505] refcount_t: underflow; use-after-free. # [ 91.692311] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 91.721569] CPU: 1 PID: 2787 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 91.729325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.735859] Backtrace: # [ 91.738337] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.745919] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 91.751595] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.758924] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.765898] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 # [ 91.773656] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.781150] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000 # [ 91.786825] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.795883] r9:c1acd32c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:00000000 r4:c68ce000 # [ 91.803643] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.814100] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 91.825767] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.835687] r5:c6c26000 r4:00000031 # [ 91.839274] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.847294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.855223] r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e64000 r5:c5e9d900 r4:c0c54754 # [ 91.862985] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.870827] r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e64000 r5:c5e9d900 r4:00000000 # [ 91.878583] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.885731] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c68ce000 r5:c5e9d900 # [ 91.893567] r4:c5e9d900 # [ 91.896116] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.903264] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000001f r4:0000001f # [ 91.911022] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.918599] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 91.923663] ffa0: 0000001f 0000001f 00000001 b6e64000 0000001f 00000000 # [ 91.931852] ffc0: 0000001f 0000001f b6fabe00 00000004 00000001 00000000 00020000 bed35ac4 # [ 91.940039] ffe0: 00000004 bed357f8 b6f15d8f b6e9c7e6 # [ 91.945169] irq event stamp: 0 # [ 91.948277] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.953874] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.961426] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.968978] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.974571] ---[ end trace eec2cb921daffbd2 ]--- # [ 91.979239] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 92.545084] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 92.552015] lkdtm: attempting bad refcount_sub_and_test() below zero [ 92.558455] ------------[ cut here ]------------ [ 92.563107] WARNING: CPU: 1 PID: 2822 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 92.571705] refcount_t: underflow; use-after-free. [ 92.576511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 92.605743] CPU: 1 PID: 2822 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 92.613497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 92.620031] Backtrace: [ 92.622509] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 92.630089] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 92.635767] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 92.643097] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 92.650071] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 [ 92.657827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 92.665319] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000 [ 92.670993] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 92.680049] r9:c1acd34c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:c6c26000 r4:c68ce000 [ 92.687811] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 92.698267] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 92.709932] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.719852] r4:00000032 [ 92.722398] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.730420] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.738350] r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e2d000 r5:c5ddaf00 r4:c0c54754 [ 92.746110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 92.753951] r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e2d000 r5:c5ddaf00 r4:00000000 [ 92.761707] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.768854] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c68ce000 r5:c5ddaf00 [ 92.776691] r4:c5ddaf00 [ 92.779239] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.786387] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:0000001f r4:0000001f [ 92.794148] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.801725] Exception stack(0xc68cffa8 to 0xc68cfff0) [ 92.806789] ffa0: 0000001f 0000001f 00000001 b6e2d000 0000001f 00000000 [ 92.814978] ffc0: 0000001f 0000001f b6f74e00 00000004 00000001 00000000 00020000 bea75ac4 [ 92.823163] ffe0: 00000004 bea757f8 b6eded8f b6e657e6 [ 92.828310] irq event stamp: 0 [ 92.831389] hardirqs last enabled at (0): [<00000000>] 0x0 [ 92.836982] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 92.844537] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 92.852100] softirqs last disabled at (0): [<00000000>] 0x0 [ 92.857729] ---[ end trace eec2cb921daffbd3 ]--- [ 92.862370] lkdtm: Negative detected: saturated # [ 92.545084] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 92.552015] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 92.558455] ------------[ cut here ]------------ # [ 92.563107] WARNING: CPU: 1 PID: 2822 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 92.571705] refcount_t: underflow; use-after-free. # [ 92.576511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 92.605743] CPU: 1 PID: 2822 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 92.613497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.620031] Backtrace: # [ 92.622509] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.630089] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 92.635767] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.643097] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.650071] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 # [ 92.657827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.665319] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000 # [ 92.670993] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 92.680049] r9:c1acd34c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:c6c26000 r4:c68ce000 # [ 92.687811] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 92.698267] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 92.709932] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.719852] r4:00000032 # [ 92.722398] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.730420] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.738350] r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e2d000 r5:c5ddaf00 r4:c0c54754 # [ 92.746110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.753951] r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e2d000 r5:c5ddaf00 r4:00000000 # [ 92.761707] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.768854] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c68ce000 r5:c5ddaf00 # [ 92.776691] r4:c5ddaf00 # [ 92.779239] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.786387] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:0000001f r4:0000001f # [ 92.794148] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.801725] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 92.806789] ffa0: 0000001f 0000001f 00000001 b6e2d000 0000001f 00000000 # [ 92.814978] ffc0: 0000001f 0000001f b6f74e00 00000004 00000001 00000000 00020000 bea75ac4 # [ 92.823163] ffe0: 00000004 bea757f8 b6eded8f b6e657e6 # [ 92.828310] irq event stamp: 0 # [ 92.831389] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.836982] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.844537] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.852100] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.857729] ---[ end trace eec2cb921daffbd3 ]--- # [ 92.862370] 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 [ 93.408649] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 93.414359] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 93.420915] lkdtm: Good: zero detected [ 93.424700] lkdtm: Correctly stayed at zero [ 93.428957] lkdtm: attempting bad refcount_inc() from zero [ 93.434460] ------------[ cut here ]------------ [ 93.439163] WARNING: CPU: 0 PID: 2854 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 93.447833] refcount_t: addition on 0; use-after-free. [ 93.452986] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 93.482213] CPU: 0 PID: 2854 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 93.489967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 93.496503] Backtrace: [ 93.498981] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 93.506563] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 93.512240] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 93.519568] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 93.526543] r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0 [ 93.534300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 93.541792] r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c5c02000 [ 93.547465] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 93.556523] r9:c1acd36c r8:c15e8cf8 r7:c5c03f60 r6:00000012 r5:00000000 r4:c5c02000 [ 93.564284] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 93.573957] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 93.583712] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 93.592503] r5:c6bb3000 r4:00000033 [ 93.596092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 93.604113] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 93.612041] r9:c5c03f60 r8:c3082240 r7:00000012 r6:b6dcf000 r5:c5aec280 r4:c0c54754 [ 93.619803] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 93.627645] r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6dcf000 r5:c5aec280 r4:00000000 [ 93.635401] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 93.642550] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c5c02000 r5:c5aec280 [ 93.650386] r4:c5aec280 [ 93.652933] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 93.660080] r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000012 r4:00000012 [ 93.667837] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 93.675414] Exception stack(0xc5c03fa8 to 0xc5c03ff0) [ 93.680478] 3fa0: 00000012 00000012 00000001 b6dcf000 00000012 00000000 [ 93.688668] 3fc0: 00000012 00000012 b6f16e00 00000004 00000001 00000000 00020000 bed91ac4 [ 93.696854] 3fe0: 00000004 bed917f8 b6e80d8f b6e077e6 [ 93.702010] irq event stamp: 0 [ 93.705089] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.710722] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 93.718526] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 93.726062] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.731701] ---[ end trace eec2cb921daffbd4 ]--- [ 93.736337] lkdtm: Zero detected: saturated # [ 93.408649] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 93.414359] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 93.420915] lkdtm: Good: zero detected # [ 93.424700] lkdtm: Correctly stayed at zero # [ 93.428957] lkdtm: attempting bad refcount_inc() from zero # [ 93.434460] ------------[ cut here ]------------ # [ 93.439163] WARNING: CPU: 0 PID: 2854 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 93.447833] refcount_t: addition on 0; use-after-free. # [ 93.452986] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 93.482213] CPU: 0 PID: 2854 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 93.489967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.496503] Backtrace: # [ 93.498981] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.506563] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 93.512240] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.519568] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.526543] r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0 # [ 93.534300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.541792] r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c5c02000 # [ 93.547465] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 93.556523] r9:c1acd36c r8:c15e8cf8 r7:c5c03f60 r6:00000012 r5:00000000 r4:c5c02000 # [ 93.564284] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 93.573957] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 93.583712] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.592503] r5:c6bb3000 r4:00000033 # [ 93.596092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.604113] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.612041] r9:c5c03f60 r8:c3082240 r7:00000012 r6:b6dcf000 r5:c5aec280 r4:c0c54754 # [ 93.619803] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.627645] r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6dcf000 r5:c5aec280 r4:00000000 # [ 93.635401] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.642550] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c5c02000 r5:c5aec280 # [ 93.650386] r4:c5aec280 # [ 93.652933] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.660080] r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000012 r4:00000012 # [ 93.667837] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.675414] Exception stack(0xc5c03fa8 to 0xc5c03ff0) # [ 93.680478] 3fa0: 00000012 00000012 00000001 b6dcf000 00000012 00000000 # [ 93.688668] 3fc0: 00000012 00000012 b6f16e00 00000004 00000001 00000000 00020000 bed91ac4 # [ 93.696854] 3fe0: 00000004 bed917f8 b6e80d8f b6e077e6 # [ 93.702010] irq event stamp: 0 # [ 93.705089] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.710722] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.718526] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.726062] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.731701] ---[ end trace eec2cb921daffbd4 ]--- # [ 93.736337] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh [ 94.342854] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 94.348631] lkdtm: attempting safe refcount_add_not_zero() from zero [ 94.355000] lkdtm: Good: zero detected [ 94.358828] lkdtm: Correctly stayed at zero [ 94.363027] lkdtm: attempting bad refcount_add() from zero [ 94.368572] ------------[ cut here ]------------ [ 94.373221] WARNING: CPU: 1 PID: 2888 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 94.381791] refcount_t: addition on 0; use-after-free. [ 94.386943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 94.416214] CPU: 1 PID: 2888 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 94.423968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.430504] Backtrace: [ 94.432982] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 94.440565] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 94.446241] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 94.453568] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 94.460543] r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0 [ 94.468300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 94.475793] r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c6922000 [ 94.481466] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 94.490522] r9:c1acd380 r8:c15e8cf8 r7:c6923f60 r6:00000012 r5:00000000 r4:c6922000 [ 94.498282] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 94.507955] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 94.517709] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 94.526501] r5:c6c16000 r4:00000034 [ 94.530090] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 94.538111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 94.546038] r9:c6923f60 r8:c3082240 r7:00000012 r6:b6e21000 r5:c692a8c0 r4:c0c54754 [ 94.553801] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 94.561644] r9:c07e0370 r8:c6923f60 r7:c2815800 r6:b6e21000 r5:c692a8c0 r4:00000000 [ 94.569399] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 94.576546] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6922000 r5:c692a8c0 [ 94.584383] r4:c692a8c0 [ 94.586931] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 94.594080] r9:c6922000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000012 r4:00000012 [ 94.601836] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 94.609413] Exception stack(0xc6923fa8 to 0xc6923ff0) [ 94.614477] 3fa0: 00000012 00000012 00000001 b6e21000 00000012 00000000 [ 94.622667] 3fc0: 00000012 00000012 b6f68e00 00000004 00000001 00000000 00020000 becd4ac4 [ 94.630852] 3fe0: 00000004 becd47f8 b6ed2d8f b6e597e6 [ 94.635988] irq event stamp: 0 [ 94.639109] hardirqs last enabled at (0): [<00000000>] 0x0 [ 94.644712] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 94.652251] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 94.659787] softirqs last disabled at (0): [<00000000>] 0x0 [ 94.665378] ---[ end trace eec2cb921daffbd5 ]--- [ 94.670064] lkdtm: Zero detected: saturated # [ 94.342854] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 94.348631] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 94.355000] lkdtm: Good: zero detected # [ 94.358828] lkdtm: Correctly stayed at zero # [ 94.363027] lkdtm: attempting bad refcount_add() from zero # [ 94.368572] ------------[ cut here ]------------ # [ 94.373221] WARNING: CPU: 1 PID: 2888 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 94.381791] refcount_t: addition on 0; use-after-free. # [ 94.386943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 94.416214] CPU: 1 PID: 2888 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 94.423968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.430504] Backtrace: # [ 94.432982] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.440565] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 94.446241] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.453568] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.460543] r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0 # [ 94.468300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.475793] r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c6922000 # [ 94.481466] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 94.490522] r9:c1acd380 r8:c15e8cf8 r7:c6923f60 r6:00000012 r5:00000000 r4:c6922000 # [ 94.498282] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 94.507955] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 94.517709] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.526501] r5:c6c16000 r4:00000034 # [ 94.530090] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.538111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.546038] r9:c6923f60 r8:c3082240 r7:00000012 r6:b6e21000 r5:c692a8c0 r4:c0c54754 # [ 94.553801] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.561644] r9:c07e0370 r8:c6923f60 r7:c2815800 r6:b6e21000 r5:c692a8c0 r4:00000000 # [ 94.569399] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.576546] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6922000 r5:c692a8c0 # [ 94.584383] r4:c692a8c0 # [ 94.586931] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.594080] r9:c6922000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000012 r4:00000012 # [ 94.601836] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.609413] Exception stack(0xc6923fa8 to 0xc6923ff0) # [ 94.614477] 3fa0: 00000012 00000012 00000001 b6e21000 00000012 00000000 # [ 94.622667] 3fc0: 00000012 00000012 b6f68e00 00000004 00000001 00000000 00020000 becd4ac4 # [ 94.630852] 3fe0: 00000004 becd47f8 b6ed2d8f b6e597e6 # [ 94.635988] irq event stamp: 0 # [ 94.639109] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.644712] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.652251] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.659787] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.665378] ---[ end trace eec2cb921daffbd5 ]--- # [ 94.670064] 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 [ 95.258461] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 95.264580] lkdtm: attempting bad refcount_inc() from saturated [ 95.270558] ------------[ cut here ]------------ [ 95.275207] WARNING: CPU: 3 PID: 2925 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 95.283693] refcount_t: saturated; leaking memory. [ 95.288553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 95.317786] CPU: 3 PID: 2925 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 95.325539] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.332073] Backtrace: [ 95.334552] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.342133] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 95.347811] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.355137] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 95.362110] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 [ 95.369868] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 95.377359] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6a8e000 [ 95.383034] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 95.392005] r9:c1acd394 r8:c15e8cf8 r7:c6a8ff60 r6:00000017 r5:c6bf9000 r4:c6a8e000 [ 95.399765] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 95.409441] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 95.419631] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.428859] r4:00000035 [ 95.431407] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.439428] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.447357] r9:c6a8ff60 r8:c3082240 r7:00000017 r6:b6de4000 r5:c5ccd400 r4:c0c54754 [ 95.455118] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 95.462959] r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6de4000 r5:c5ccd400 r4:00000000 [ 95.470715] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.477861] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c6a8e000 r5:c5ccd400 [ 95.485696] r4:c5ccd400 [ 95.488243] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.495391] r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000017 r4:00000017 [ 95.503149] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.510726] Exception stack(0xc6a8ffa8 to 0xc6a8fff0) [ 95.515790] ffa0: 00000017 00000017 00000001 b6de4000 00000017 00000000 [ 95.523980] ffc0: 00000017 00000017 b6f2be00 00000004 00000001 00000000 00020000 beb9bac4 [ 95.532165] ffe0: 00000004 beb9b7f8 b6e95d8f b6e1c7e6 [ 95.537299] irq event stamp: 0 [ 95.540379] hardirqs last enabled at (0): [<00000000>] 0x0 [ 95.545973] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 95.553520] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 95.561084] softirqs last disabled at (0): [<00000000>] 0x0 [ 95.566680] ---[ end trace eec2cb921daffbd6 ]--- [ 95.571352] lkdtm: Saturation detected: still saturated # [ 95.258461] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 95.264580] lkdtm: attempting bad refcount_inc() from saturated # [ 95.270558] ------------[ cut here ]------------ # [ 95.275207] WARNING: CPU: 3 PID: 2925 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 95.283693] refcount_t: saturated; leaking memory. # [ 95.288553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 95.317786] CPU: 3 PID: 2925 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 95.325539] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.332073] Backtrace: # [ 95.334552] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.342133] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 95.347811] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.355137] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.362110] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 # [ 95.369868] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.377359] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6a8e000 # [ 95.383034] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 95.392005] r9:c1acd394 r8:c15e8cf8 r7:c6a8ff60 r6:00000017 r5:c6bf9000 r4:c6a8e000 # [ 95.399765] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 95.409441] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 95.419631] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.428859] r4:00000035 # [ 95.431407] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.439428] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.447357] r9:c6a8ff60 r8:c3082240 r7:00000017 r6:b6de4000 r5:c5ccd400 r4:c0c54754 # [ 95.455118] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.462959] r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6de4000 r5:c5ccd400 r4:00000000 # [ 95.470715] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.477861] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c6a8e000 r5:c5ccd400 # [ 95.485696] r4:c5ccd400 # [ 95.488243] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.495391] r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000017 r4:00000017 # [ 95.503149] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.510726] Exception stack(0xc6a8ffa8 to 0xc6a8fff0) # [ 95.515790] ffa0: 00000017 00000017 00000001 b6de4000 00000017 00000000 # [ 95.523980] ffc0: 00000017 00000017 b6f2be00 00000004 00000001 00000000 00020000 beb9bac4 # [ 95.532165] ffe0: 00000004 beb9b7f8 b6e95d8f b6e1c7e6 # [ 95.537299] irq event stamp: 0 # [ 95.540379] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.545973] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.553520] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.561084] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.566680] ---[ end trace eec2cb921daffbd6 ]--- # [ 95.571352] 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 [ 96.147869] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 96.154015] lkdtm: attempting bad refcount_dec() from saturated [ 96.160048] ------------[ cut here ]------------ [ 96.164729] WARNING: CPU: 3 PID: 2960 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 96.173265] refcount_t: decrement hit 0; leaking memory. [ 96.178627] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 96.207852] CPU: 3 PID: 2960 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 96.215607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 96.222143] Backtrace: [ 96.224620] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 96.232202] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 96.237877] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.245204] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.252180] r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0 [ 96.259936] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.267430] r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5cce000 [ 96.273106] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 96.282075] r9:c1acd3ac r8:c15e8cf8 r7:c5ccff60 r6:00000017 r5:c6bf9000 r4:c5cce000 [ 96.289837] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 96.299507] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 96.309699] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 96.318925] r4:00000036 [ 96.321470] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.329491] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 96.337419] r9:c5ccff60 r8:c3082240 r7:00000017 r6:b6ded000 r5:c5e128c0 r4:c0c54754 [ 96.345180] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 96.353020] r9:c07e0370 r8:c5ccff60 r7:c2815800 r6:b6ded000 r5:c5e128c0 r4:00000000 [ 96.360775] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 96.367922] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5cce000 r5:c5e128c0 [ 96.375758] r4:c5e128c0 [ 96.378303] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.385451] r9:c5cce000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000017 r4:00000017 [ 96.393209] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.400786] Exception stack(0xc5ccffa8 to 0xc5ccfff0) [ 96.405850] ffa0: 00000017 00000017 00000001 b6ded000 00000017 00000000 [ 96.414041] ffc0: 00000017 00000017 b6f34e00 00000004 00000001 00000000 00020000 bed47ac4 [ 96.422226] ffe0: 00000004 bed477f8 b6e9ed8f b6e257e6 [ 96.427363] irq event stamp: 0 [ 96.430442] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.436040] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 96.443620] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 96.451217] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.456813] ---[ end trace eec2cb921daffbd7 ]--- [ 96.461486] lkdtm: Saturation detected: still saturated # [ 96.147869] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 96.154015] lkdtm: attempting bad refcount_dec() from saturated # [ 96.160048] ------------[ cut here ]------------ # [ 96.164729] WARNING: CPU: 3 PID: 2960 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 96.173265] refcount_t: decrement hit 0; leaking memory. # [ 96.178627] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 96.207852] CPU: 3 PID: 2960 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 96.215607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.222143] Backtrace: # [ 96.224620] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.232202] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 96.237877] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.245204] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.252180] r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0 # [ 96.259936] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.267430] r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5cce000 # [ 96.273106] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 96.282075] r9:c1acd3ac r8:c15e8cf8 r7:c5ccff60 r6:00000017 r5:c6bf9000 r4:c5cce000 # [ 96.289837] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 96.299507] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 96.309699] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.318925] r4:00000036 # [ 96.321470] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.329491] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.337419] r9:c5ccff60 r8:c3082240 r7:00000017 r6:b6ded000 r5:c5e128c0 r4:c0c54754 # [ 96.345180] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.353020] r9:c07e0370 r8:c5ccff60 r7:c2815800 r6:b6ded000 r5:c5e128c0 r4:00000000 # [ 96.360775] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.367922] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5cce000 r5:c5e128c0 # [ 96.375758] r4:c5e128c0 # [ 96.378303] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.385451] r9:c5cce000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000017 r4:00000017 # [ 96.393209] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.400786] Exception stack(0xc5ccffa8 to 0xc5ccfff0) # [ 96.405850] ffa0: 00000017 00000017 00000001 b6ded000 00000017 00000000 # [ 96.414041] ffc0: 00000017 00000017 b6f34e00 00000004 00000001 00000000 00020000 bed47ac4 # [ 96.422226] ffe0: 00000004 bed477f8 b6e9ed8f b6e257e6 # [ 96.427363] irq event stamp: 0 # [ 96.430442] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.436040] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.443620] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.451217] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.456813] ---[ end trace eec2cb921daffbd7 ]--- # [ 96.461486] 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 [ 97.059356] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 97.065476] lkdtm: attempting bad refcount_dec() from saturated [ 97.071488] ------------[ cut here ]------------ [ 97.076137] WARNING: CPU: 1 PID: 2995 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 97.084627] refcount_t: saturated; leaking memory. [ 97.089466] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 97.118715] CPU: 1 PID: 2995 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 97.126467] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.133004] Backtrace: [ 97.135483] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.143065] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 97.148742] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.156070] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 97.163043] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 [ 97.170800] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 97.178293] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6852000 [ 97.183969] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 97.192940] r9:c1acd3c4 r8:c15e8cf8 r7:c6853f60 r6:00000017 r5:c6bb3000 r4:c6852000 [ 97.200700] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 97.210376] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 97.220565] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.229791] r4:00000037 [ 97.232336] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.240355] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.248284] r9:c6853f60 r8:c3082240 r7:00000017 r6:b6e1f000 r5:c692b680 r4:c0c54754 [ 97.256046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 97.263887] r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e1f000 r5:c692b680 r4:00000000 [ 97.271642] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.278789] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6852000 r5:c692b680 [ 97.286624] r4:c692b680 [ 97.289169] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.296316] r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000017 r4:00000017 [ 97.304074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.311652] Exception stack(0xc6853fa8 to 0xc6853ff0) [ 97.316715] 3fa0: 00000017 00000017 00000001 b6e1f000 00000017 00000000 [ 97.324906] 3fc0: 00000017 00000017 b6f66e00 00000004 00000001 00000000 00020000 bed0cac4 [ 97.333093] 3fe0: 00000004 bed0c7f8 b6ed0d8f b6e577e6 [ 97.338220] irq event stamp: 0 [ 97.341297] hardirqs last enabled at (0): [<00000000>] 0x0 [ 97.346891] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 97.354442] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 97.362029] softirqs last disabled at (0): [<00000000>] 0x0 [ 97.367693] ---[ end trace eec2cb921daffbd8 ]--- [ 97.372335] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 97.059356] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 97.065476] lkdtm: attempting bad refcount_dec() from saturated # [ 97.071488] ------------[ cut here ]------------ # [ 97.076137] WARNING: CPU: 1 PID: 2995 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 97.084627] refcount_t: saturated; leaking memory. # [ 97.089466] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 97.118715] CPU: 1 PID: 2995 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 97.126467] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.133004] Backtrace: # [ 97.135483] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.143065] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 97.148742] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.156070] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.163043] r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0 # [ 97.170800] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.178293] r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6852000 # [ 97.183969] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 97.192940] r9:c1acd3c4 r8:c15e8cf8 r7:c6853f60 r6:00000017 r5:c6bb3000 r4:c6852000 # [ 97.200700] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 97.210376] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 97.220565] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.229791] r4:00000037 # [ 97.232336] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.240355] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.248284] r9:c6853f60 r8:c3082240 r7:00000017 r6:b6e1f000 r5:c692b680 r4:c0c54754 # [ 97.256046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.263887] r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e1f000 r5:c692b680 r4:00000000 # [ 97.271642] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.278789] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6852000 r5:c692b680 # [ 97.286624] r4:c692b680 # [ 97.289169] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.296316] r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000017 r4:00000017 # [ 97.304074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.311652] Exception stack(0xc6853fa8 to 0xc6853ff0) # [ 97.316715] 3fa0: 00000017 00000017 00000001 b6e1f000 00000017 00000000 # [ 97.324906] 3fc0: 00000017 00000017 b6f66e00 00000004 00000001 00000000 00020000 bed0cac4 # [ 97.333093] 3fe0: 00000004 bed0c7f8 b6ed0d8f b6e577e6 # [ 97.338220] irq event stamp: 0 # [ 97.341297] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.346891] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.354442] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.362029] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.367693] ---[ end trace eec2cb921daffbd8 ]--- # [ 97.372335] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 97.962621] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 97.969657] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 97.976398] ------------[ cut here ]------------ [ 97.981203] WARNING: CPU: 1 PID: 3027 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 97.989783] refcount_t: saturated; leaking memory. [ 97.994613] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 98.024196] CPU: 1 PID: 3027 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 98.031967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.038517] Backtrace: [ 98.041028] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.048633] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 98.054333] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.061686] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 98.068679] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 [ 98.076460] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 98.083968] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c6c000 [ 98.089665] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 98.098656] r9:c1acd3dc r8:c15e8cf8 r7:c5c6df60 r6:00000020 r5:c6c10000 r4:c0000000 [ 98.106446] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 98.116926] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 98.128685] r5:c6c10000 r4:c5c6c000 [ 98.132302] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.142321] r4:00000038 [ 98.144887] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.152933] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.160881] r9:c5c6df60 r8:c3082240 r7:00000020 r6:b6eab000 r5:c5fcd040 r4:c0c54754 [ 98.168667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 98.176527] r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6eab000 r5:c5fcd040 r4:00000000 [ 98.184302] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.191468] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5c6c000 r5:c5fcd040 [ 98.199316] r4:c5fcd040 [ 98.201882] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.209048] r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000020 r4:00000020 [ 98.216827] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.224419] Exception stack(0xc5c6dfa8 to 0xc5c6dff0) [ 98.229502] dfa0: 00000020 00000020 00000001 b6eab000 00000020 00000000 [ 98.237712] dfc0: 00000020 00000020 b6ff2e00 00000004 00000001 00000000 00020000 bec31ac4 [ 98.245915] dfe0: 00000004 bec317f8 b6f5cd8f b6ee37e6 [ 98.251156] irq event stamp: 0 [ 98.254262] hardirqs last enabled at (0): [<00000000>] 0x0 [ 98.259954] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 98.267546] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 98.275074] softirqs last disabled at (0): [<00000000>] 0x0 [ 98.280740] ---[ end trace eec2cb921daffbd9 ]--- [ 98.285397] lkdtm: Saturation detected: still saturated # [ 97.962621] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 97.969657] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 97.976398] ------------[ cut here ]------------ # [ 97.981203] WARNING: CPU: 1 PID: 3027 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 97.989783] refcount_t: saturated; leaking memory. # [ 97.994613] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 98.024196] CPU: 1 PID: 3027 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 98.031967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.038517] Backtrace: # [ 98.041028] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.048633] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 98.054333] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.061686] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.068679] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 # [ 98.076460] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.083968] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c6c000 # [ 98.089665] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 98.098656] r9:c1acd3dc r8:c15e8cf8 r7:c5c6df60 r6:00000020 r5:c6c10000 r4:c0000000 # [ 98.106446] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 98.116926] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 98.128685] r5:c6c10000 r4:c5c6c000 # [ 98.132302] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.142321] r4:00000038 # [ 98.144887] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.152933] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.160881] r9:c5c6df60 r8:c3082240 r7:00000020 r6:b6eab000 r5:c5fcd040 r4:c0c54754 # [ 98.168667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.176527] r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6eab000 r5:c5fcd040 r4:00000000 # [ 98.184302] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.191468] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5c6c000 r5:c5fcd040 # [ 98.199316] r4:c5fcd040 # [ 98.201882] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.209048] r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000020 r4:00000020 # [ 98.216827] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.224419] Exception stack(0xc5c6dfa8 to 0xc5c6dff0) # [ 98.229502] dfa0: 00000020 00000020 00000001 b6eab000 00000020 00000000 # [ 98.237712] dfc0: 00000020 00000020 b6ff2e00 00000004 00000001 00000000 00020000 bec31ac4 # [ 98.245915] dfe0: 00000004 bec317f8 b6f5cd8f b6ee37e6 # [ 98.251156] irq event stamp: 0 # [ 98.254262] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.259954] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.267546] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.275074] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.280740] ---[ end trace eec2cb921daffbd9 ]--- # [ 98.285397] 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 [ 98.908102] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 98.915077] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 98.921967] ------------[ cut here ]------------ [ 98.926652] WARNING: CPU: 1 PID: 3061 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 98.935201] refcount_t: saturated; leaking memory. [ 98.940093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 98.969724] CPU: 1 PID: 3061 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 98.977497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.984047] Backtrace: [ 98.986561] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.994165] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 98.999867] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.007221] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.014215] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 [ 99.021996] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.029506] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c5e000 [ 99.035202] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 99.044193] r9:c1acd3fc r8:c15e8cf8 r7:c5c5ff60 r6:00000020 r5:c6c29000 r4:c0000000 [ 99.051983] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 99.062463] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 99.074223] r5:c6c29000 r4:c5c5e000 [ 99.077839] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.087859] r4:00000039 [ 99.090424] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.098469] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.106417] r9:c5c5ff60 r8:c3082240 r7:00000020 r6:b6df4000 r5:c5fcc3c0 r4:c0c54754 [ 99.114203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 99.122063] r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6df4000 r5:c5fcc3c0 r4:00000000 [ 99.129841] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.137008] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c5c5e000 r5:c5fcc3c0 [ 99.144856] r4:c5fcc3c0 [ 99.147423] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.154591] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f3be00 r5:00000020 r4:00000020 [ 99.162369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.169964] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) [ 99.175047] ffa0: 00000020 00000020 00000001 b6df4000 00000020 00000000 [ 99.183256] ffc0: 00000020 00000020 b6f3be00 00000004 00000001 00000000 00020000 beaaeac4 [ 99.191459] ffe0: 00000004 beaae7f8 b6ea5d8f b6e2c7e6 [ 99.196668] irq event stamp: 0 [ 99.199832] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.205459] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 99.213046] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 99.220632] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.226245] ---[ end trace eec2cb921daffbda ]--- [ 99.230978] lkdtm: Saturation detected: still saturated # [ 98.908102] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 98.915077] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 98.921967] ------------[ cut here ]------------ # [ 98.926652] WARNING: CPU: 1 PID: 3061 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.935201] refcount_t: saturated; leaking memory. # [ 98.940093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 98.969724] CPU: 1 PID: 3061 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 98.977497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.984047] Backtrace: # [ 98.986561] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.994165] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 98.999867] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.007221] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.014215] r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0 # [ 99.021996] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.029506] r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c5e000 # [ 99.035202] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.044193] r9:c1acd3fc r8:c15e8cf8 r7:c5c5ff60 r6:00000020 r5:c6c29000 r4:c0000000 # [ 99.051983] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.062463] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 99.074223] r5:c6c29000 r4:c5c5e000 # [ 99.077839] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.087859] r4:00000039 # [ 99.090424] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.098469] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.106417] r9:c5c5ff60 r8:c3082240 r7:00000020 r6:b6df4000 r5:c5fcc3c0 r4:c0c54754 # [ 99.114203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.122063] r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6df4000 r5:c5fcc3c0 r4:00000000 # [ 99.129841] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.137008] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c5c5e000 r5:c5fcc3c0 # [ 99.144856] r4:c5fcc3c0 # [ 99.147423] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.154591] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f3be00 r5:00000020 r4:00000020 # [ 99.162369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.169964] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) # [ 99.175047] ffa0: 00000020 00000020 00000001 b6df4000 00000020 00000000 # [ 99.183256] ffc0: 00000020 00000020 b6f3be00 00000004 00000001 00000000 00020000 beaaeac4 # [ 99.191459] ffe0: 00000004 beaae7f8 b6ea5d8f b6e2c7e6 # [ 99.196668] irq event stamp: 0 # [ 99.199832] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.205459] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.213046] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.220632] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.226245] ---[ end trace eec2cb921daffbda ]--- # [ 99.230978] 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 [ 99.860236] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 99.867242] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 99.873981] ------------[ cut here ]------------ [ 99.878694] WARNING: CPU: 3 PID: 3098 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 99.887295] refcount_t: underflow; use-after-free. [ 99.892101] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 99.921349] CPU: 3 PID: 3098 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 99.929103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.935639] Backtrace: [ 99.938118] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.945700] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 99.951378] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.958708] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.965684] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 [ 99.973443] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.980935] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6852000 [ 99.986610] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 99.995669] r9:c1acd41c r8:c15e8cf8 r7:c6853f60 r6:00000020 r5:c6bf9000 r4:c6852000 [ 100.003431] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 100.013889] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 100.025644] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.035652] r4:0000003a [ 100.038199] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.046220] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.054148] r9:c6853f60 r8:c3082240 r7:00000020 r6:b6e64000 r5:c5e13680 r4:c0c54754 [ 100.061910] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 100.069752] r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e64000 r5:c5e13680 r4:00000000 [ 100.077508] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.084655] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6852000 r5:c5e13680 [ 100.092492] r4:c5e13680 [ 100.095037] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.102185] r9:c6852000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:00000020 r4:00000020 [ 100.109943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.117520] Exception stack(0xc6853fa8 to 0xc6853ff0) [ 100.122583] 3fa0: 00000020 00000020 00000001 b6e64000 00000020 00000000 [ 100.130775] 3fc0: 00000020 00000020 b6fabe00 00000004 00000001 00000000 00020000 be978ac4 [ 100.138960] 3fe0: 00000004 be9787f8 b6f15d8f b6e9c7e6 [ 100.144103] irq event stamp: 0 [ 100.147210] hardirqs last enabled at (0): [<00000000>] 0x0 [ 100.152809] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 100.160359] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 100.167930] softirqs last disabled at (0): [<00000000>] 0x0 [ 100.173526] ---[ end trace eec2cb921daffbdb ]--- [ 100.178192] lkdtm: Saturation detected: still saturated # [ 99.860236] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 99.867242] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 99.873981] ------------[ cut here ]------------ # [ 99.878694] WARNING: CPU: 3 PID: 3098 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 99.887295] refcount_t: underflow; use-after-free. # [ 99.892101] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 99.921349] CPU: 3 PID: 3098 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 99.929103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.935639] Backtrace: # [ 99.938118] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.945700] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 99.951378] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.958708] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.965684] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 # [ 99.973443] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.980935] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6852000 # [ 99.986610] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 99.995669] r9:c1acd41c r8:c15e8cf8 r7:c6853f60 r6:00000020 r5:c6bf9000 r4:c6852000 # [ 100.003431] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 100.013889] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 100.025644] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.035652] r4:0000003a # [ 100.038199] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.046220] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.054148] r9:c6853f60 r8:c3082240 r7:00000020 r6:b6e64000 r5:c5e13680 r4:c0c54754 # [ 100.061910] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.069752] r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e64000 r5:c5e13680 r4:00000000 # [ 100.077508] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.084655] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6852000 r5:c5e13680 # [ 100.092492] r4:c5e13680 # [ 100.095037] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.102185] r9:c6852000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:00000020 r4:00000020 # [ 100.109943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.117520] Exception stack(0xc6853fa8 to 0xc6853ff0) # [ 100.122583] 3fa0: 00000020 00000020 00000001 b6e64000 00000020 00000000 # [ 100.130775] 3fc0: 00000020 00000020 b6fabe00 00000004 00000001 00000000 00020000 be978ac4 # [ 100.138960] 3fe0: 00000004 be9787f8 b6f15d8f b6e9c7e6 # [ 100.144103] irq event stamp: 0 # [ 100.147210] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.152809] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.160359] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.167930] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.173526] ---[ end trace eec2cb921daffbdb ]--- # [ 100.178192] 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 [ 100.778736] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 100.785638] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 100.792433] ------------[ cut here ]------------ [ 100.797133] WARNING: CPU: 1 PID: 3133 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 100.805674] refcount_t: underflow; use-after-free. [ 100.810529] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 [ 100.839774] CPU: 1 PID: 3133 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 100.847528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 100.854062] Backtrace: [ 100.856540] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 100.864123] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 100.869800] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 100.877128] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 100.884101] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 [ 100.891858] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 100.899353] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6908000 [ 100.905028] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 100.914085] r9:c1acd43c r8:c15e8cf8 r7:c6909f60 r6:00000020 r5:c4674000 r4:c6908000 [ 100.921848] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 100.932305] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 100.944059] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.954066] r4:0000003b [ 100.956613] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.964636] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.972567] r9:c6909f60 r8:c3082240 r7:00000020 r6:b6dcd000 r5:c6ad0500 r4:c0c54754 [ 100.980330] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 100.988172] r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6dcd000 r5:c6ad0500 r4:00000000 [ 100.995927] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 101.003074] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6908000 r5:c6ad0500 [ 101.010910] r4:c6ad0500 [ 101.013457] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 101.020606] r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000020 r4:00000020 [ 101.028366] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 101.035943] Exception stack(0xc6909fa8 to 0xc6909ff0) [ 101.041007] 9fa0: 00000020 00000020 00000001 b6dcd000 00000020 00000000 [ 101.049198] 9fc0: 00000020 00000020 b6f14e00 00000004 00000001 00000000 00020000 bedc0ac4 [ 101.057385] 9fe0: 00000004 bedc07f8 b6e7ed8f b6e057e6 [ 101.062522] irq event stamp: 0 [ 101.065599] hardirqs last enabled at (0): [<00000000>] 0x0 [ 101.071229] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 101.078781] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 101.086311] softirqs last disabled at (0): [<00000000>] 0x0 [ 101.091961] ---[ end trace eec2cb921daffbdc ]--- [ 101.096620] lkdtm: Saturation detected: still saturated # [ 100.778736] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 100.785638] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 100.792433] ------------[ cut here ]------------ # [ 100.797133] WARNING: CPU: 1 PID: 3133 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 100.805674] refcount_t: underflow; use-after-free. # [ 100.810529] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 100.839774] CPU: 1 PID: 3133 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 100.847528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.854062] Backtrace: # [ 100.856540] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.864123] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 100.869800] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.877128] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.884101] r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0 # [ 100.891858] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.899353] r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6908000 # [ 100.905028] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 100.914085] r9:c1acd43c r8:c15e8cf8 r7:c6909f60 r6:00000020 r5:c4674000 r4:c6908000 # [ 100.921848] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 100.932305] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 100.944059] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.954066] r4:0000003b # [ 100.956613] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.964636] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.972567] r9:c6909f60 r8:c3082240 r7:00000020 r6:b6dcd000 r5:c6ad0500 r4:c0c54754 # [ 100.980330] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.988172] r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6dcd000 r5:c6ad0500 r4:00000000 # [ 100.995927] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.003074] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6908000 r5:c6ad0500 # [ 101.010910] r4:c6ad0500 # [ 101.013457] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.020606] r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000020 r4:00000020 # [ 101.028366] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.035943] Exception stack(0xc6909fa8 to 0xc6909ff0) # [ 101.041007] 9fa0: 00000020 00000020 00000001 b6dcd000 00000020 00000000 # [ 101.049198] 9fc0: 00000020 00000020 b6f14e00 00000004 00000001 00000000 00020000 bedc0ac4 # [ 101.057385] 9fe0: 00000004 bedc07f8 b6e7ed8f b6e057e6 # [ 101.062522] irq event stamp: 0 # [ 101.065599] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.071229] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 101.078781] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 101.086311] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.091961] ---[ end trace eec2cb921daffbdc ]--- # [ 101.096620] 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 [ 102.145130] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 102.151395] lkdtm: attempting good copy_to_user of correct size [ 102.157550] lkdtm: attempting bad copy_to_user of too large size # [ 102.145130] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 102.151395] lkdtm: attempting good copy_to_user of correct size # [ 102.157550] 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 [ 102.697656] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 102.703919] lkdtm: attempting good copy_from_user of correct size [ 102.710201] lkdtm: attempting bad copy_from_user of too large size # [ 102.697656] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 102.703919] lkdtm: attempting good copy_from_user of correct size # [ 102.710201] 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 [ 103.253045] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 103.259615] lkdtm: attempting good copy_to_user inside whitelist [ 103.265674] lkdtm: attempting bad copy_to_user outside whitelist # [ 103.253045] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 103.259615] lkdtm: attempting good copy_to_user inside whitelist # [ 103.265674] 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 [ 103.800030] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 103.806697] lkdtm: attempting good copy_from_user inside whitelist [ 103.812974] lkdtm: attempting bad copy_from_user outside whitelist # [ 103.800030] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 103.806697] lkdtm: attempting good copy_from_user inside whitelist # [ 103.812974] 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 [ 104.356913] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 104.363282] lkdtm: good_stack: c5ee3e0c-c5ee3e2c [ 104.368057] lkdtm: bad_stack : c5ee3d84-c5ee3da4 [ 104.372738] lkdtm: attempting good copy_to_user of local stack [ 104.378695] lkdtm: attempting bad copy_to_user of distant stack # [ 104.356913] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 104.363282] lkdtm: good_stack: c5ee3e0c-c5ee3e2c # [ 104.368057] lkdtm: bad_stack : c5ee3d84-c5ee3da4 # [ 104.372738] lkdtm: attempting good copy_to_user of local stack # [ 104.378695] 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 [ 104.959371] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 104.965787] lkdtm: good_stack: c6a8fe0c-c6a8fe2c [ 104.970498] lkdtm: bad_stack : c6a8fd84-c6a8fda4 [ 104.975147] lkdtm: attempting good copy_from_user of local stack [ 104.981242] lkdtm: attempting bad copy_from_user of distant stack # [ 104.959371] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 104.965787] lkdtm: good_stack: c6a8fe0c-c6a8fe2c # [ 104.970498] lkdtm: bad_stack : c6a8fd84-c6a8fda4 # [ 104.975147] lkdtm: attempting good copy_from_user of local stack # [ 104.981242] 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 [ 105.548092] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 105.554158] lkdtm: good_stack: c5d59e0c-c5d59e2c [ 105.558855] lkdtm: bad_stack : c5d59ffc-c5d5a01c [ 105.563503] lkdtm: attempting good copy_to_user of local stack [ 105.569448] lkdtm: attempting bad copy_to_user of distant stack # [ 105.548092] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 105.554158] lkdtm: good_stack: c5d59e0c-c5d59e2c # [ 105.558855] lkdtm: bad_stack : c5d59ffc-c5d5a01c # [ 105.563503] lkdtm: attempting good copy_to_user of local stack # [ 105.569448] 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 [ 106.086730] lkdtm: Performing direct entry USERCOPY_KERNEL [ 106.092424] lkdtm: attempting good copy_to_user from kernel rodata: c15e8fa4 [ 106.099689] lkdtm: attempting bad copy_to_user from kernel text: c053cb74 [ 106.106532] lkdtm: FAIL: survived bad copy_to_user() # [ 106.086730] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 106.092424] lkdtm: attempting good copy_to_user from kernel rodata: c15e8fa4 # [ 106.099689] lkdtm: attempting bad copy_to_user from kernel text: c053cb74 # [ 106.106532] 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 [ 106.672767] lkdtm: Performing direct entry STACKLEAK_ERASING [ 106.678555] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 106.685567] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 106.692515] lkdtm: FAIL: the thread stack is NOT properly erased [ 106.698592] CPU: 2 PID: 3498 Comm: cat Tainted: G D W 5.10.180-cip33 #1 [ 106.706347] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 106.712882] Backtrace: [ 106.715361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 106.722943] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 106.728620] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 106.735955] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 106.744492] r9:c1acd544 r8:c15e8cf8 r7:c5c5ff60 r6:c5c5fe34 r5:c5c5e000 r4:0000078d [ 106.752255] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 106.761049] r8:c15e8cf8 r7:c5c5ff60 r6:00000012 r5:c6ad2000 r4:00000046 [ 106.767764] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 106.775787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 106.783716] r9:c5c5ff60 r8:c3082240 r7:00000012 r6:b6e82000 r5:c5c5c640 r4:c0c54754 [ 106.791479] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 106.799321] r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6e82000 r5:c5c5c640 r4:00000000 [ 106.807077] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 106.814226] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c5c5e000 r5:c5c5c640 [ 106.822061] r4:c5c5c640 [ 106.824609] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.831756] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000012 r4:00000012 [ 106.839517] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 106.847094] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) [ 106.852159] ffa0: 00000012 00000012 00000001 b6e82000 00000012 00000000 [ 106.860350] ffc0: 00000012 00000012 b6fc9e00 00000004 00000001 00000000 00020000 beddfac4 [ 106.868535] ffe0: 00000004 beddf7f8 b6f33d8f b6eba7e6 # [ 106.672767] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 106.678555] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 106.685567] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 106.692515] lkdtm: FAIL: the thread stack is NOT properly erased # [ 106.698592] CPU: 2 PID: 3498 Comm: cat Tainted: G D W 5.10.180-cip33 #1 # [ 106.706347] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.712882] Backtrace: # [ 106.715361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.722943] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 106.728620] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.735955] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 106.744492] r9:c1acd544 r8:c15e8cf8 r7:c5c5ff60 r6:c5c5fe34 r5:c5c5e000 r4:0000078d # [ 106.752255] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.761049] r8:c15e8cf8 r7:c5c5ff60 r6:00000012 r5:c6ad2000 r4:00000046 # [ 106.767764] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.775787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.783716] r9:c5c5ff60 r8:c3082240 r7:00000012 r6:b6e82000 r5:c5c5c640 r4:c0c54754 # [ 106.791479] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 106.799321] r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6e82000 r5:c5c5c640 r4:00000000 # [ 106.807077] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.814226] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c5c5e000 r5:c5c5c640 # [ 106.822061] r4:c5c5c640 # [ 106.824609] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.831756] r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000012 r4:00000012 # [ 106.839517] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.847094] Exception stack(0xc5c5ffa8 to 0xc5c5fff0) # [ 106.852159] ffa0: 00000012 00000012 00000001 b6e82000 00000012 00000000 # [ 106.860350] ffc0: 00000012 00000012 b6fc9e00 00000004 00000001 00000000 00020000 beddfac4 # [ 106.868535] ffe0: 00000004 beddf7f8 b6f33d8f b6eba7e6 # 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 [ 107.432956] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 107.438783] lkdtm: Calling matched prototype ... [ 107.443440] lkdtm: Calling mismatched prototype ... [ 107.448416] lkdtm: Fail: survived mismatched prototype function call! # [ 107.432956] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 107.438783] lkdtm: Calling matched prototype ... # [ 107.443440] lkdtm: Calling mismatched prototype ... # [ 107.448416] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #