[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.37 (4 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10716897/tftp-deploy-5etc04na/kernel/zImage tftp 0x10000000 10716897/tftp-deploy-5etc04na/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.37 Filename '10716897/tftp-deploy-5etc04na/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ######### 11.7 MiB/s done Bytes transferred = 12526080 (bf2200 hex) => tftp 0x14000000 10716897/tftp-deploy-5etc04na/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10716897/tftp-deploy-5etc04na/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.37 Filename '10716897/tftp-deploy-5etc04na/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 5.7 MiB/s done Bytes transferred = 15281579 (e92dab hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10716897/tftp-deploy-5etc04na/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10716897/tftp-deploy-5etc04na/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.37 Filename '10716897/tftp-deploy-5etc04na/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.1 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/10716897/extract-nfsrootfs-rcmc3d0p,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10716897/extract-nfsrootfs-rcmc3d0p,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf2200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15281515 Bytes = 14.6 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 5.10.182-cip35 (KernelCI@build-j33046-arm-gcc-10-multi-v7-defconfig-kselftest-vqltc) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 14 01:57:37 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] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10716897/extract-nfsrootfs-rcmc3d0p,tcp,hard console_msg_format=syslog earlycon ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921588K/1048576K available (17408K kernel code, 2661K rwdata, 8136K rodata, 2048K init, 6693K bss, 61452K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 56086 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008444] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022898] Console: colour dummy device 80x30 <4>[ 0.024802] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032813] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037157] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041570] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046203] ... CLASSHASH_SIZE: 4096 <4>[ 0.050789] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055511] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060185] ... CHAINHASH_SIZE: 32768 <4>[ 0.064884] memory used by lock dependency info: 4061 kB <4>[ 0.070562] memory used for stack traces: 2112 kB <4>[ 0.075610] per task-struct memory footprint: 1536 bytes <6>[ 0.081297] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091715] pid_max: default: 32768 minimum: 301 <6>[ 0.096917] LSM: Security Framework initializing <6>[ 0.101500] LSM support for eBPF active <6>[ 0.105660] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.113104] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123663] CPU: Testing write buffer coherency: ok <6>[ 0.126265] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132421] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141012] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147424] rcu: Hierarchical SRCU implementation. <6>[ 0.158877] EFI services will not be available. <6>[ 0.161974] smp: Bringing up secondary CPUs ... <6>[ 0.168577] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168592] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180463] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180478] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192014] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192028] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201064] smp: Brought up 1 node, 4 CPUs <6>[ 0.204773] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211311] CPU: All CPU(s) started in SVC mode. <6>[ 0.218590] devtmpfs: initialized <6>[ 0.268827] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.276446] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.284119] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.296038] pinctrl core: initialized pinctrl subsystem <6>[ 0.305073] DMI not present or invalid. <6>[ 0.308560] NET: Registered protocol family 16 <6>[ 0.320841] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.333790] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.334293] cpuidle: using governor menu <6>[ 0.342369] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 1.001834] vdd1p1: supplied by regulator-dummy <6>[ 1.031600] vdd3p0: supplied by regulator-dummy <6>[ 1.060951] vdd2p5: supplied by regulator-dummy <6>[ 1.090435] vddarm: supplied by regulator-dummy <6>[ 1.120730] vddpu: supplied by regulator-dummy <6>[ 1.149491] vddsoc: supplied by regulator-dummy <6>[ 2.322906] No ATAGs? <6>[ 2.323739] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.330946] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.354261] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.384571] Serial: AMBA PL011 UART driver <6>[ 2.442968] Kprobes globally optimized <6>[ 2.549149] iommu: Default domain type: Translated <6>[ 2.553660] vgaarb: loaded <5>[ 2.558835] SCSI subsystem initialized <6>[ 2.562325] usbcore: registered new interface driver usbfs <6>[ 2.566065] usbcore: registered new interface driver hub <6>[ 2.571520] usbcore: registered new device driver usb <6>[ 2.583524] i2c i2c-0: IMX I2C adapter registered <6>[ 2.591965] i2c i2c-1: IMX I2C adapter registered <6>[ 2.598219] i2c i2c-2: IMX I2C adapter registered <6>[ 2.604503] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.606959] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.616421] PTP clock support registered <6>[ 2.635950] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.219300] NET: Registered protocol family 2 <6>[ 4.221823] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.231877] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.237952] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.246005] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.254641] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.261053] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.267872] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.274612] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.282448] NET: Registered protocol family 1 <6>[ 4.289082] RPC: Registered named UNIX socket transport module. <6>[ 4.292489] RPC: Registered udp transport module. <6>[ 4.297565] RPC: Registered tcp transport module. <6>[ 4.302397] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.309185] NET: Registered protocol family 44 <6>[ 4.313822] PCI: CLS 0 bytes, default 64 <6>[ 4.320320] Trying to unpack rootfs image as initramfs... <6>[ 6.093235] Freeing initrd memory: 14924K <4>[ 6.095688] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.103678] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.118742] Initialise system trusted keyrings <6>[ 6.121529] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.171848] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.178453] NFS: Registering the id_resolver key type <5>[ 6.181061] Key type id_resolver registered <5>[ 6.185386] Key type id_legacy registered <6>[ 6.190218] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.196716] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.204411] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.210819] Key type asymmetric registered <5>[ 6.213295] Asymmetric key parser 'x509' registered <6>[ 6.218721] bounce: pool size: 64 pages <6>[ 6.222562] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.230210] io scheduler mq-deadline registered <6>[ 6.234883] io scheduler kyber registered <4>[ 6.240022] test_firmware: interface ready <6>[ 6.405288] mxs-dma 110000.dma-apbh: initialized <4>[ 6.465934] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.473079] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 6.689326] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.711745] SuperH (H)SCI(F) driver initialized <6>[ 6.716556] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.727291] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.733730] printk: console [ttymxc1] enabled <6>[ 6.733730] printk: console [ttymxc1] enabled <6>[ 6.742653] printk: bootconsole [ec_imx21] disabled <6>[ 6.742653] printk: bootconsole [ec_imx21] disabled <6>[ 6.758788] msm_serial: driver initialized <6>[ 6.764125] STMicroelectronics ASC driver initialized <6>[ 6.775509] STM32 USART driver initialized <6>[ 6.800827] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.822484] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.831105] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.839023] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 6.889002] brd: module loaded <6>[ 6.943328] loop: module loaded <6>[ 6.949727] lkdtm: No crash points registered, enable through debugfs <6>[ 6.970863] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 6.979152] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 6.987512] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 6.996036] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.004261] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.012788] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.020798] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.032301] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.039673] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.048812] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.062920] scsi host0: ahci-imx <6>[ 7.068628] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.129222] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.142690] pps pps0: new PPS source ptp0 <6>[ 7.187644] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.198235] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.203494] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.209986] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.215676] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.242038] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.249919] usbcore: registered new interface driver pegasus <6>[ 7.256131] usbcore: registered new interface driver asix <6>[ 7.261951] usbcore: registered new interface driver ax88179_178a <6>[ 7.268509] usbcore: registered new interface driver cdc_ether <6>[ 7.274824] usbcore: registered new interface driver smsc75xx <6>[ 7.281107] usbcore: registered new interface driver smsc95xx <6>[ 7.287319] usbcore: registered new interface driver net1080 <6>[ 7.293396] usbcore: registered new interface driver cdc_subset <6>[ 7.299776] usbcore: registered new interface driver zaurus <6>[ 7.305919] usbcore: registered new interface driver cdc_ncm <6>[ 7.323868] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.330807] ehci-pci: EHCI PCI platform driver <6>[ 7.335685] ehci-platform: EHCI generic platform driver <6>[ 7.342187] ehci-orion: EHCI orion driver <6>[ 7.347394] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.352482] ehci-st: EHCI STMicroelectronics driver <6>[ 7.358492] ehci-exynos: EHCI Exynos driver <6>[ 7.363747] ehci-atmel: EHCI Atmel driver <6>[ 7.368864] tegra-ehci: Tegra EHCI driver <6>[ 7.373988] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.380590] ohci-pci: OHCI PCI platform driver <6>[ 7.385465] ohci-platform: OHCI generic platform driver <6>[ 7.391905] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.397037] ohci-st: OHCI STMicroelectronics driver <6>[ 7.403015] ohci-atmel: OHCI Atmel driver <6>[ 7.411338] usbcore: registered new interface driver usb-storage <6>[ 7.418726] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.424761] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.431418] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.448147] i2c /dev entries driver <6>[ 7.528169] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.534643] sdhci: Copyright(c) Pierre Ossman <6>[ 7.548355] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.561590] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.571191] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.576782] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.583764] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.591197] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.601137] usbcore: registered new interface driver usbhid <6>[ 7.607062] usbhid: USB HID core driver <6>[ 7.618432] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.630857] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.634191] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.646294] IPv4 over IPsec tunneling driver <6>[ 7.655361] NET: Registered protocol family 10 <6>[ 7.665562] Segment Routing with IPv6 <6>[ 7.675367] NET: Registered protocol family 17 <6>[ 7.681806] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.687356] Key type dns_resolver registered <6>[ 7.706095] ThumbEE CPU extension supported. <5>[ 7.710690] Registering SWP/SWPB emulation handler <5>[ 7.719622] Loading compiled-in X.509 certificates <4>[ 7.881088] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.889748] panel-simple panel-lcd: Specify missing connector_type <6>[ 7.897464] mmc2: new high speed SDHC card at address e624 <4>[ 7.902537] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.906604] mmcblk2: mmc2:e624 SL16G 14.8 GiB <4>[ 7.938950] imx_usb 2184200.usb: No over current polarity defined <4>[ 7.949685] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 7.951937] ci_hdrc ci_hdrc.1: EHCI Host Controller <4>[ 7.957513] GPT:29296874 != 31116287 <4>[ 7.957534] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.957545] GPT:29296874 != 31116287 <4>[ 7.957556] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.957619] mmcblk2: p1 p2 p3 <6>[ 7.963045] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.016160] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.028406] hub 1-0:1.0: USB hub found <6>[ 8.032912] hub 1-0:1.0: 1 port detected <6>[ 8.050409] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.080699] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.089209] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.101871] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.130216] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.138700] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.151322] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.170060] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.196926] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.205344] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.218038] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.239296] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 8.426360] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.634645] hub 1-1:1.0: USB hub found <6>[ 8.639625] hub 1-1:1.0: 3 ports detected <4>[ 8.667779] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.676302] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.689122] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.357778] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.376083] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.407118] Sending DHCP requests ., OK <6>[ 11.580676] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.37 <6>[ 11.589178] IP-Config: Complete: <6>[ 11.592743] device=eth0, hwaddr=00:19:b8:08:f0:fd, ipaddr=192.168.201.37, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.603633] host=imx6q-sabrelite-lava-cbg-7, domain=lava-rack, nis-domain=(none) <6>[ 11.611894] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.611932] nameserver0=192.168.201.1 <6>[ 11.676951] Freeing unused kernel memory: 2048K <6>[ 11.682934] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.312583] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.339320] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.349913] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.365796] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.383675] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.421038] CAN device driver interface <4>[ 15.433275] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.444460] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.463377] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.508466] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.522726] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.557441] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.567550] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.576306] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.583175] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.591726] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.599877] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.606355] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.614290] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.621763] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.632963] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.672145] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.680610] caam 2100000.crypto: Instantiated RNG4 SH0 <4>[ 15.680686] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.716254] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.741376] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.746883] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.749058] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.753798] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 15.762912] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.777179] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.786582] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.789720] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.803685] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.816061] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.817397] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.824699] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <6>[ 15.853432] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 15.860076] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.869516] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.870106] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.888576] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.892987] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.897438] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.943607] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.952717] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.961612] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.970598] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.988265] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.997665] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.011917] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.049774] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.058740] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.067567] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.076381] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.701147] caam algorithms registered in /proc/crypto <6>[ 16.713797] caam 2100000.crypto: registering rng-caam <5>[ 16.843035] random: crng init done <4>[ 16.854051] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.863129] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.876280] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.910306] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.919091] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.927950] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers <6>[ 16.936667] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f0:fd mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.37 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-7 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 19.353431] systemd[1]: System time before build time, advancing clock. <30>[ 19.544812] 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) <30>[ 19.571376] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.631737] systemd[1]: Set hostname to . <30>[ 21.032493] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 21.046476] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 21.100896] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 21.160860] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 21.210230] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 21.260056] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 21.309349] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 21.357712] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 21.371740] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 21.418350] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 21.457852] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 21.496351] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 21.537092] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 21.580041] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.676779] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.690480] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.729399] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.772428] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.826415] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.871260] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.920128] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.929791] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.951636] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.995231] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 22.056911] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 22.110436] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 22.158054] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 22.215285] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 22.283784] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 22.286243] fuse: init (API version 7.32) <30>[ 22.313527] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 22.380091] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 22.439187] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 22.498262] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 22.564161] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 22.617743] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.673943] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 22.765822] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.776268] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.821799] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.831689] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.881336] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.891196] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.941195] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.987824] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 23.343671] systemd-journald[269]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ 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 ] 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 Service. Starting Network Name Resolution... [ OK ] Finished Coldplug All udev Devices. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ 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. [ 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 5.10.182-cip35 #1 SMP Wed Jun 14 01:57:37 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/10716897/extract-nfsrootfs-rcmc3d0p' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10716897/extract-nfsrootfs-rcmc3d0p' / # 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-10716897/environment . /lava-10716897/environment / # /lava-10716897/bin/lava-test-runner /lava-10716897/0 /lava-10716897/bin/lava-test-runner /lava-10716897/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10716897/0/tests/0_timesync-off ++ cat uuid + UUID=10716897_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-10716897/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10716897_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/v5.10.182-cip35-8-gc3d08808cfa7/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 --2023-06-14 02:17:22-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1408280 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 0%[ ] 9.63K 36.7KB/s kselftest.tar.xz 2%[ ] 36.50K 69.1KB/s kselftest.tar.xz 4%[ ] 55.81K 70.4KB/s kselftest.tar.xz 6%[> ] 88.82K 87.0KB/s kselftest.tar.xz 8%[> ] 117.10K 91.1KB/s kselftest.tar.xz 10%[=> ] 148.21K 95.6KB/s kselftest.tar.xz 13%[=> ] 182.14K 98.1KB/s kselftest.tar.xz 15%[==> ] 217.50K 102KB/s kselftest.tar.xz 18%[==> ] 255.67K 107KB/s kselftest.tar.xz 21%[===> ] 296.68K 112KB/s kselftest.tar.xz 24%[===> ] 340.52K 117KB/s kselftest.tar.xz 28%[====> ] 388.60K 122KB/s eta 8s kselftest.tar.xz 31%[=====> ] 436.67K 128KB/s eta 8s kselftest.tar.xz 35%[======> ] 484.75K 133KB/s eta 8s kselftest.tar.xz 37%[======> ] 520.10K 135KB/s eta 8s kselftest.tar.xz 42%[=======> ] 578.08K 140KB/s eta 8s kselftest.tar.xz 46%[========> ] 638.89K 146KB/s eta 5s kselftest.tar.xz 51%[=========> ] 702.52K 158KB/s eta 5s kselftest.tar.xz 55%[==========> ] 766.15K 168KB/s eta 5s kselftest.tar.xz 60%[===========> ] 826.96K 179KB/s eta 5s kselftest.tar.xz 63%[===========> ] 875.03K 186KB/s eta 5s kselftest.tar.xz 68%[============> ] 947.15K 196KB/s eta 3s kselftest.tar.xz 73%[=============> ] 1013K 205KB/s eta 3s kselftest.tar.xz 77%[==============> ] 1.04M 217KB/s eta 3s kselftest.tar.xz 83%[===============> ] 1.12M 229KB/s eta 3s kselftest.tar.xz 88%[================> ] 1.19M 240KB/s eta 3s kselftest.tar.xz 93%[=================> ] 1.26M 252KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 263KB/s in 6.8s 2023-06-14 02:17:30 (201 KB/s) - 'kselftest.tar.xz' saved [1408280/1408280] 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 =============== <12>[ 60.457347] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 61.390427] lkdtm: Performing direct entry BUG <4>[ 61.395398] ------------[ cut here ]------------ <2>[ 61.400285] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 61.405776] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 61.411180] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 61.440481] CPU: 3 PID: 690 Comm: cat Not tainted 5.10.182-cip35 #1 <4>[ 61.447015] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 61.453817] PC is at lkdtm_BUG+0x14/0x18 <4>[ 61.458009] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 61.462720] pc : [] lr : [] psr: a00e0013 <4>[ 61.469253] sp : c453be58 ip : c453be68 fp : c453be64 <4>[ 61.474742] r10: 00000004 r9 : c1ad449c r8 : c15ebcc8 <4>[ 61.480232] r7 : c453bf60 r6 : 00000004 r5 : c60f3000 r4 : 00000001 <4>[ 61.487024] r3 : c0c550a0 r2 : c13495df r1 : ef7c05e0 r0 : c15ebcd0 <4>[ 61.493818] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 61.501219] Control: 10c5387d Table: 1606c04a DAC: 00000051 <0>[ 61.507233] Process cat (pid: 690, stack limit = 0xe462e876) <0>[ 61.513159] Stack: (0xc453be58 to 0xc453c000) <0>[ 61.517783] be40: c453be74 c453be68 <0>[ 61.526229] be60: c0c54b34 c0c550ac c453be9c c453be78 c0c55034 c0c54b14 c0c54f14 c4003180 <0>[ 61.534676] be80: b6e82000 00000004 c5330780 c453bf60 c453bec4 c453bea0 c07e05cc c0c54f20 <0>[ 61.543121] bea0: 00000000 c4003180 b6e82000 c2815800 c453bf60 c07e0568 c453bf5c c453bec8 <0>[ 61.551567] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c453a000 <0>[ 61.560013] bee0: b6e82000 00020000 00000004 00000004 0001fffc c453bee0 00000001 b6e81000 <0>[ 61.568457] bf00: c63737c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 61.576904] bf20: 00000000 00000000 c13d27c8 c13495df c205ef60 c4003180 c4003180 c453a000 <0>[ 61.585348] bf40: b6e82000 00000000 00000000 00000004 c453bf94 c453bf60 c059b1c4 c059ab18 <0>[ 61.593794] bf60: 00000000 00000000 c453bfac c13495df 00000004 00000004 b6fc9e00 00000004 <0>[ 61.602240] bf80: c03002e4 c453a000 c453bfa4 c453bf98 c059b254 c059b15c 00000000 c453bfa8 <0>[ 61.610686] bfa0: c03000c0 c059b248 00000004 00000004 00000001 b6e82000 00000004 00000000 <0>[ 61.619133] bfc0: 00000004 00000004 b6fc9e00 00000004 00000001 00000000 00020000 becf3ac4 <0>[ 61.627578] bfe0: 00000004 becf37f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000 <0>[ 61.636018] Backtrace: <0>[ 61.638741] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 61.646584] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 61.654864] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 61.663051] r9:c453bf60 r8:c5330780 r7:00000004 r6:b6e82000 r5:c4003180 r4:c0c54f14 <0>[ 61.671071] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 61.679171] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6e82000 r5:c4003180 r4:00000000 <0>[ 61.687184] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 61.694589] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c453a000 r5:c4003180 <0>[ 61.702684] r4:c4003180 <0>[ 61.705487] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 61.712891] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000004 r4:00000004 <0>[ 61.720908] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 61.728742] Exception stack(0xc453bfa8 to 0xc453bff0) <0>[ 61.734061] bfa0: 00000004 00000004 00000001 b6e82000 00000004 00000000 <0>[ 61.742507] bfc0: 00000004 00000004 b6fc9e00 00000004 00000001 00000000 00020000 becf3ac4 <0>[ 61.750950] bfe0: 00000004 becf37f8 b6f33d8f b6eba7e6 <0>[ 61.756271] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 61.762637] ---[ end trace cbde38cd7c289969 ]--- <3>[ 61.767524] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.776661] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 690, name: cat <4>[ 61.784581] INFO: lockdep is turned off. <4>[ 61.788768] irq event stamp: 1548 <4>[ 61.792358] hardirqs last enabled at (1547): [] console_unlock+0x4b0/0x6c0 <4>[ 61.800458] hardirqs last disabled at (1548): [] __und_svc+0x60/0x6c <4>[ 61.807952] softirqs last enabled at (1052): [] release_sock+0x8c/0xa8 <4>[ 61.815703] softirqs last disabled at (1050): [] release_sock+0x28/0xa8 <4>[ 61.823454] CPU: 3 PID: 690 Comm: cat Tainted: G D 5.10.182-cip35 #1 <4>[ 61.831374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 61.838165] Backtrace: <4>[ 61.840893] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 61.848731] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0ff38 <4>[ 61.854663] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 61.862248] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 61.870261] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19d06f8 r4:c453a000 <4>[ 61.878274] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 61.886371] r6:00000000 r5:00000031 r4:c19d06f8 <4>[ 61.891265] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 61.899275] r6:00000001 r5:c453a000 r4:c4203600 <4>[ 61.904169] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 61.911745] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c4203600 <4>[ 61.918717] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 61.926290] r7:c1e0facc <4>[ 61.929096] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 61.936499] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 61.943816] r10:00000004 r9:c453a000 r8:c15ebcc8 r7:00000000 r6:c453bdc8 r5:c0c550b4 <4>[ 61.951909] r4:e7f001f2 <4>[ 61.954713] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 61.962893] Exception stack(0xc453bdc8 to 0xc453be10) <4>[ 61.968214] bdc0: c15ebcd0 ef7c05e0 c13495df c0c550a0 00000001 c60f3000 <4>[ 61.976659] bde0: 00000004 c453bf60 c15ebcc8 c1ad449c 00000004 c453be64 c453be68 c453be58 <4>[ 61.985101] be00: c0c54b34 c0c550b4 a00e0013 ffffffff <4>[ 61.990419] r7:c453bdfc r6:ffffffff r5:a00e0013 r4:c0c550b8 <4>[ 61.996348] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 62.004187] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 62.012461] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 62.020648] r9:c453bf60 r8:c5330780 r7:00000004 r6:b6e82000 r5:c4003180 r4:c0c54f14 <4>[ 62.028664] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 62.036764] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6e82000 r5:c4003180 r4:00000000 <4>[ 62.044778] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 62.052182] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c453a000 r5:c4003180 <4>[ 62.060276] r4:c4003180 <4>[ 62.063080] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 62.070485] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000004 r4:00000004 <4>[ 62.078497] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 62.086331] Exception stack(0xc453bfa8 to 0xc453bff0) <4>[ 62.091651] bfa0: 00000004 00000004 00000001 b6e82000 00000004 00000000 <4>[ 62.100097] bfc0: 00000004 00000004 b6fc9e00 00000004 00000001 00000000 00020000 becf3ac4 <4>[ 62.108540] bfe0: 00000004 becf37f8 b6f33d8f b6eba7e6 # Segmentation fault # [ 61.390427] lkdtm: Performing direct entry BUG # [ 61.395398] ------------[ cut here ]------------ # [ 61.400285] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 61.405776] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 61.411180] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 61.440481] CPU: 3 PID: 690 Comm: cat Not tainted 5.10.182-cip35 #1 # [ 61.447015] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 61.453817] PC is at lkdtm_BUG+0x14/0x18 # [ 61.458009] LR is at lkdtm_do_action+0x2c/0x4c # [ 61.462720] pc : [] lr : [] psr: a00e0013 # [ 61.469253] sp : c453be58 ip : c453be68 fp : c453be64 # [ 61.474742] r10: 00000004 r9 : c1ad449c r8 : c15ebcc8 # [ 61.480232] r7 : c453bf60 r6 : 00000004 r5 : c60f3000 r4 : 00000001 # [ 61.487024] r3 : c0c550a0 r2 : c13495df r1 : ef7c05e0 r0 : c15ebcd0 # [ 61.493818] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 61.501219] Control: 10c5387d Table: 1606c04a DAC: 00000051 # [ 61.507233] Process cat (pid: 690, stack limit = 0xe462e876) # [ 61.513159] Stack: (0xc453be58 to 0xc453c000) # [ 61.517783] be40: c453be74 c453be68 # [ 61.526229] be60: c0c54b34 c0c550ac c453be9c c453be78 c0c55034 c0c54b14 c0c54f14 c4003180 # [ 61.534676] be80: b6e82000 00000004 c5330780 c453bf60 c453bec4 c453bea0 c07e05cc c0c54f20 # [ 61.543121] bea0: 00000000 c4003180 b6e82000 c2815800 c453bf60 c07e0568 c453bf5c c453bec8 # [ 61.551567] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c453a000 # [ 61.560013] bee0: b6e82000 00020000 00000004 00000004 0001fffc c453bee0 00000001 b6e81000 # [ 61.568457] bf00: c63737c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 61.576904] bf20: 00000000 00000000 c13d27c8 c13495df c205ef60 c4003180 c4003180 c453a000 # [ 61.585348] bf40: b6e82000 00000000 00000000 00000004 c453bf94 c453bf60 c059b1c4 c059ab18 # [ 61.593794] bf60: 00000000 00000000 c453bfac c13495df 00000004 00000004 b6fc9e00 00000004 # [ 61.602240] bf80: c03002e4 c453a000 c453bfa4 c453bf98 c059b254 c059b15c 00000000 c453bfa8 # [ 61.610686] bfa0: c03000c0 c059b248 00000004 00000004 00000001 b6e82000 00000004 00000000 # [ 61.619133] bfc0: 00000004 00000004 b6fc9e00 00000004 00000001 00000000 00020000 becf3ac4 # [ 61.627578] bfe0: 00000004 becf37f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000 # [ 61.636018] Backtrace: # [ 61.638741] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 61.646584] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 61.654864] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 61.663051] r9:c453bf60 r8:c5330780 r7:00000004 r6:b6e82000 r5:c4003180 r4:c0c54f14 # [ 61.671071] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 61.679171] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6e82000 r5:c4003180 r4:00000000 # [ 61.687184] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 61.694589] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c453a000 r5:c4003180 # [ 61.702684] r4:c4003180 # [ 61.705487] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 61.712891] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000004 r4:00000004 # [ 61.720908] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 61.728742] Exception stack(0xc453bfa8 to 0xc453bff0) # [ 61.734061] bfa0: 00000004 00000004 00000001 b6e82000 00000004 00000000 # [ 61.742507] bfc0: 00000004 00000004 b6fc9e00 00000004 00000001 00000000 00020000 becf3ac4 # [ 61.750950] bfe0: 00000004 becf37f8 b6f33d8f b6eba7e6 # [ 61.756271] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 61.762637] ---[ end trace cbde38cd7c289969 ]--- # [ 61.767524] BUG: sleeping function called from <6>[ 62.550223] lkdtm: Performing direct entry WARNING invalid context at include/linux/<4>[ 62.556787] ------------[ cut here ]------------ percpu-rwsem.h:49 # [ 61.77666<4>[ 62.564329] WARNING: CPU: 2 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 1] in_atomic(): 0, irqs_disabled(<4>[ 62.575914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 ): 128, non_block: 0, pid: 690, n<4>[ 62.607871] CPU: 2 PID: 761 Comm: cat Tainted: G D W 5.10.182-cip35 #1 ame: cat # [ 61.784581] INFO: <4>[ 62.618597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) lockdep is turned off. # [ 61.<4>[ 62.628248] Backtrace: 788768] irq event stamp: 1548 # <4>[ 62.633841] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 61.792358] hardirqs last ena<4>[ 62.644519] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 bled at (1547): [] cons<4>[ 62.653308] [] (show_stack) from [] (dump_stack+0xe0/0x100) ole_unlock+0x4b0/0x6c0 # [ 61.<4>[ 62.663743] [] (dump_stack) from [] (__warn+0x98/0x14c) 800458] hardirqs last disabled at<4>[ 62.673822] r9:00000009 r8:c0c55100 r7:00000053 r6:00000009 r5:c0c55100 r4:c1ad4b58 (1548): [] __und_svc+0<4>[ 62.684694] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) x60/0x6c # [ 61.807952] softir<4>[ 62.695290] r7:00000053 r6:c1ad4b58 r5:00000000 r4:c65aa000 qs last enabled at (1052): [[ 62.704080] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) f7714>] release_sock+0x8c/0xa8 #<4>[ 62.715288] r9:c1ad44a0 r8:c15ebcc8 r7:c65abf60 r6:00000008 r5:c65df000 r4:00000002 [ 61.815703] softirqs last dis<4>[ 62.726158] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) abled at (1050): [] rel<4>[ 62.737196] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ease_sock+0x28/0xa8 # [ 61.823<4>[ 62.748330] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 454] CPU: 3 PID: 690 Comm: cat Ta<4>[ 62.759363] r9:c65abf60 r8:c5330780 r7:00000008 r6:b6e7e000 r5:c6551180 r4:c0c54f14 <4>[ 62.770235] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) inted: G D 5.10.18<4>[ 62.778337] r9:c07e0568 r8:c65abf60 r7:c2815800 r6:b6e7e000 r5:c6551180 r4:00000000 <4>[ 62.789200] [] (vfs_write) from [] (ksys_write+0x74/0xec) 2-cip35 #1 # [ 61.831374] Hard<4>[ 62.796609] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c65aa000 r5:c6551180 <4>[ 62.807551] r4:c6551180 ware name: Freescale i.MX6 Quad/D<4>[ 62.810360] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 62.820618] r9:c65aa000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000008 r4:00000008 ualLite (Device Tree) # [ 61.8<4>[ 62.828636] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 62.839337] Exception stack(0xc65abfa8 to 0xc65abff0) 38165] Backtrace: # [ 61.8408<4>[ 62.844661] bfa0: 00000008 00000008 00000001 b6e7e000 00000008 00000000 93] [] (dump_backtrace)<4>[ 62.855962] bfc0: 00000008 00000008 b6fc5e00 00000004 00000001 00000000 00020000 beef0ac4 <4>[ 62.867272] bfe0: 00000004 beef07f8 b6f2fd8f b6eb67e6 from [] (show_stack+0x<4>[ 62.872654] irq event stamp: 0 20/0x24) # [ 61.848731] r7:ff<4>[ 62.878817] hardirqs last enabled at (0): [<00000000>] 0x0 ffffff r6:600e0093 r5:00000000 r4<4>[ 62.887564] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 :c1f0ff38 # [ 61.854663] [[ 62.898189] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 afa24>] (show_stack) from [[ 62.908826] softirqs last disabled at (0): [<00000000>] 0x0 ca0>] (dump_stack+0xe0/0x100) # <4>[ 62.917560] ---[ end trace cbde38cd7c28996a ]--- [ 61.862248] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 61.870261] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19d06f8 r4:c453a000 # [ 61.878274] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 61.886371] r6:00000000 r5:00000031 r4:c19d06f8 # [ 61.891265] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 61.899275] r6:00000001 r5:c453a000 r4:c4203600 # [ 61.904169] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 61.911745] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c4203600 # [ 61.918717] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 61.926290] r7:c1e0facc # [ 61.929096] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 61.936499] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 61.943816] r10:00000004 r9:c453a000 r8:c15ebcc8 r7:00000000 r6:c453bdc8 r5:c0c550b4 # [ 61.951909] r4:e7f001f2 # [ 61.954713] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 61.962893] Exception stack(0xc453bdc8 to 0xc453be10) # [ 61.968214] bdc0: c15ebcd0 ef7c05e0 c13495df c0c550a0 00000001 c60f3000 # [ 61.976659] bde0: 00000004 c453bf60 c15ebcc8 c1ad449c 00000004 c453be64 c453be68 c453be58 # [ 61.985101] be00: c0c54b34 c0c550b4 a00e0013 ffffffff # [ 61.990419] r7:c453bdfc r6:ffffffff r5:a00e0013 r4:c0c550b8 # [ 61.996348] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.004187] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.012461] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.020648] r9:c453bf60 r8:c5330780 r7:00000004 r6:b6e82000 r5:c4003180 r4:c0c54f14 # [ 62.028664] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.036764] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6e82000 r5:c4003180 r4:00000000 # [ 62.044778] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.052182] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c453a000 r5:c4003180 # [ 62.060276] r4:c4003180 # [ 62.063080] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.070485] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000004 r4:00000004 # [ 62.078497] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.086331] Exception stack(0xc453bfa8 to 0xc453bff0) # [ 62.091651] bfa0: 00000004 00000004 00000001 b6e82000 00000004 00000000 # [ 62.100097] bfc0: 00000004 00000004 b6fc9e00 00000004 00000001 00000000 00020000 becf3ac4 # [ 62.108540] bfe0: 00000004 becf37f8 b6f33d8f b6eba7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 62.550223] lkdtm: Performing direct entry WARNING # [ 62.556787] ------------[ cut here ]------------ # [ 62.564329] WARNING: CPU: 2 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 62.575914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 62.607871] CPU: 2 PID: 761 Comm: cat Tainted: G D W 5.10.1<6>[ 63.233763] lkdtm: Performing direct entry WARNING_MESSAGE 82-cip35 #1 # [ 62.618597] Har<4>[ 63.240865] ------------[ cut here ]------------ dware name: Freescale i.MX6 Quad/<4>[ 63.248504] WARNING: CPU: 1 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 DualLite (Device Tree) # [ 62.<4>[ 63.260822] Warning message trigger count: 2 628248] Backtrace: # [ 62.633<4>[ 63.268175] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 841] [] (dump_backtrace<4>[ 63.300090] CPU: 1 PID: 796 Comm: cat Tainted: G D W 5.10.182-cip35 #1 ) from [] (show_stack+0<4>[ 63.310812] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) x20/0x24) # [ 62.644519] r7:f<4>[ 63.320461] Backtrace: fffffff r6:600e0013 r5:00000000 r<4>[ 63.326050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 4:c1f0ff38 # [ 62.653308] [[ 63.336732] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 3afa24>] (show_stack) from [[ 63.345518] [] (show_stack) from [] (dump_stack+0xe0/0x100) 6ca0>] (dump_stack+0xe0/0x100) #<4>[ 63.355951] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 62.663743] [] (dum<4>[ 63.366030] r9:00000009 r8:c0c55150 r7:00000058 r6:00000009 r5:c0c55150 r4:c1ad4b58 p_stack) from [] (__war<4>[ 63.376900] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) n+0x98/0x14c) # [ 62.673822] <4>[ 63.387500] r7:00000058 r6:c1ad4b58 r5:c1ad4b74 r4:c668a000 r9:00000009 r8:c0c55100 r7:000000<4>[ 63.396288] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 53 r6:00000009 r5:c0c55100 r4:c1a<4>[ 63.408191] r9:c1ad44a8 r8:c15ebcc8 r7:c668bf60 r6:00000010 r5:c65e5000 r4:00000003 d4b58 # [ 62.684694] [[ 63.419058] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 8>] (__warn) from [] (w<4>[ 63.430790] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) arn_slowpath_fmt+0x8c/0xa8) # [ <4>[ 63.441922] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 62.695290] r7:00000053 r6:c1ad<4>[ 63.452957] r9:c668bf60 r8:c5330780 r7:00000010 r6:b6e2e000 r5:c6261900 r4:c0c54f14 4b58 r5:00000000 r4:c65aa000 # [<4>[ 63.463828] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 62.704080] [] (warn_<4>[ 63.474776] r9:c07e0568 r8:c668bf60 r7:c2815800 r6:b6e2e000 r5:c6261900 r4:00000000 slowpath_fmt) from [] (<4>[ 63.485643] [] (vfs_write) from [] (ksys_write+0x74/0xec) lkdtm_WARNING+0x48/0x4c) # [ 6<4>[ 63.495900] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c668a000 r5:c6261900 2.715288] r9:c1ad44a0 r8:c15ebcc<4>[ 63.506845] r4:c6261900 8 r7:c65abf60 r6:00000008 r5:c65d<4>[ 63.512510] [] (ksys_write) from [] (sys_write+0x18/0x1c) f000 r4:00000002 # [ 62.726158<4>[ 63.522765] r9:c668a000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000010 r4:00000010 ] [] (lkdtm_WARNING) fr<4>[ 63.533636] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) om [] (lkdtm_do_action+<4>[ 63.544320] Exception stack(0xc668bfa8 to 0xc668bff0) 0x2c/0x4c) # [ 62.737196] [[ 63.552500] bfa0: 00000010 00000010 00000001 b6e2e000 00000010 00000000 c54b08>] (lkdtm_do_action) from [<4>[ 63.563801] bfc0: 00000010 00000010 b6f75e00 00000004 00000001 00000000 00020000 bec9fac4 ] (direct_entry+0x120/0<4>[ 63.575096] bfe0: 00000004 bec9f7f8 b6edfd8f b6e667e6 x18c) # [ 62.748330] [[ 63.583345] irq event stamp: 0 4>] (direct_entry) from [[ 63.589487] hardirqs last enabled at (0): [<00000000>] 0x0 c>] (full_proxy_write+0x64/0x94) <4>[ 63.598216] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 62.759363] r9:c65abf60 r8<4>[ 63.608800] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 :c5330780 r7:00000008 r6:b6e7e000<4>[ 63.619401] softirqs last disabled at (0): [<00000000>] 0x0 r5:c6551180 r4:c0c54f14 # [ 6<4>[ 63.628093] ---[ end trace cbde38cd7c28996b ]--- 2.770235] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.778337] r9:c07e0568 r8:c65abf60 r7:c2815800 r6:b6e7e000 r5:c6551180 r4:00000000 # [ 62.789200] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.796609] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c65aa000 r5:c6551180 # [ 62.807551] r4:c6551180 # [ 62.810360] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.820618] r9:c65aa000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000008 r4:00000008 # [ 62.828636] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.839337] Exception stack(0xc65abfa8 to 0xc65abff0) # [ 62.844661] bfa0: 00000008 00000008 00000001 b6e7e000 00000008 00000000 # [ 62.855962] bfc0: 00000008 00000008 b6fc5e00 00000004 00000001 00000000 00020000 beef0ac4 # [ 62.867272] bfe0: 00000004 beef07f8 b6f2fd8f b6eb67e6 # [ 62.872654] irq event stamp: 0 # [ 62.878817] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 62.887564] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 62.898189] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 62.908826] softirqs last disabled at (0): [<00000000>] 0x0 # [ 62.917560] ---[ end trace cbde38cd7c28996a ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 63.233763] lkdtm: Performing direct entry WARNING_MESSAGE # [ 63.240865] ------------[ cut here ]------------ # [ 63.248504] WARNING: CPU: 1 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 63.260822] Warning message trigger count: 2 # [ 63.268175] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 63.300090] CPU: 1 PID: 796 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 63.310812] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.320461] Backtrace: # [ 63.326050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 63.336732] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 63.345518] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 63.355951] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 63.366030] r9:00000009 r8:c0c55150 r7:00000058 r6:00000009 r5:c0c55150 r4:c1ad4b58 # [ 63.376900] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 63.387500] r7:00000058 r6:c1ad4b58 r5:c1ad4b74 r4:c668a000 # [ 63.396288] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 63.408191] r9:c1ad44a8 r8:c15ebcc8 r7:c668bf60 r6:00000010 r5:c65e5000 r4:00000003 # [ 63.419058] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.430790] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.441922] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.452957] r9:c668bf60 r8:c5330780 r7:00000010 r6:b6e2e000 r5:c6261900 r4:c0c54f14 # [ 63.463828] [] (full_proxy_write) from [[ 63.936703] lkdtm: Performing direct entry EXCEPTION 059ac18>] (vfs_write+0x10c/<01x>[ 63.942597] 8<--- cut here --- 3c) # [ 63.474776] r9:c07e056<1>[ 63.948628] Unable to handle kernel NULL pointer dereference at virtual address 00000000 8 r8:c668bf60 r7:c2815800 r6:b6e2<1>[ 63.959750] pgd = 16a31142 e000 r5:c6261900 r4:00000000 # [1>[ 63.965477] [00000000] *pgd=00000000 63.485643] [] (vfs_w<0>[ 63.972202] Internal error: Oops: 805 [#2] SMP ARM rite) from [] (ksys_wri<4>[ 63.980014] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 te+0x74/0xec) # [ < 4 >6[3 . 4 94.011977] CPU: 1 PID: 828 Comm: cat Tainted: G D W 5.10.182-cip35 #1 5900] r10<:40>0[0 0 0 06044. 0r22058] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :00000000 r8:00000000 r7:e[2 64.030677] PC is at lkdtm_EXCEPTION+0x18/0x20 e000 r6:c6680[0 0 r654:.c067804] LR is at lkdtm_do_action+0x2c/0x4c 261900 # [< 4 > [6 3 . 56046.8044327] pc : [] lr : [] psr: a00e0013 5] r4:c62<641>9[0 0 6#4 .[0 52675] sp : c452fe58 ip : c452fe68 fp : c452fe64 63.512510<]4> [[ < c 06549.b0155983] r10: 0000000a r9 : c1ad44b8 r8 : c15ebcc8 0>] (ksys_i[t e ) 6f4r.o0m67203] r7 : c452ff60 r6 : 0000000a r5 : c65e5000 r4 : 00000004 [4]> [( s y s6_4w.r0i75811] r3 : 00000000 r2 : 954c803d r1 : ef7965e0 r0 : c15ebce8 e+0x18/0x1c)< 4 >#[ [ 6 46.3084422] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 522765] r9<:4c>6[6 8 a 0604.00 93724] Control: 10c5387d Table: 1606804a DAC: 00000051 8:c03002e4 r7:<000>0[0 0 0 0644 .101554] Process cat (pid: 828, stack limit = 0xa06e156c) 6:b6f75e0<00 >r[5 : 0 06040.01001466] Stack: (0xc452fe58 to 0xc4530000) 0 r4:00000010 < 0#>[ [ 6 46.315821] fe40: c452fe74 c452fe68 .533636] [0]> [( s y 64.126169] fe60: c0c54b34 c0c55164 c452fe9c c452fe78 c0c55034 c0c54b14 c0c54f14 c638ec80 _write) from [0[0 0 c 06>4.136772] fe80: b6de4000 0000000a c5330780 c452ff60 c452fec4 c452fea0 c07e05cc c0c54f20 (ret_fast_syscal0[x 0 / 06x.147290] fea0: 00000000 c638ec80 b6de4000 c2815800 c452ff60 c07e0568 c452ff5c c452fec8 28) # [ 63.5<404>3[2 0 ] 6E4x157809] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c41afce4 c059b1c4 c452e000 ception stack(06[6 8 b f6a48168240] fee0: b6de4000 00020000 00000004 0000000a 0001fff6 c452fee0 00000001 00000805 to 0xc668bff0)< 0 >#[ [ 6 46178670] ff00: c6272780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 3.552500] bfa0: < 0 > [ 6 4.189103] ff20: 00000000 00000000 c452e000 954c803d b6de3000 c638ec80 c638ec80 c452e000 00000<001>0[ 0 0 06040.199622] ff40: b6de4000 00000000 00000000 00000004 c452ff94 c452ff60 c059b1c4 c059ab18 10 00000001 b6e2e<000>0[ 0 0 060.210055] ff60: 00000000 00000000 c452ffac 954c803d 0000000a 0000000a b6f2be00 00000004 0010 00000000 #< 0[> [ 6 36.4.220571] ff80: c03002e4 c452e000 c452ffa4 c452ff98 c059b254 c059b15c 00000000 c452ffa8 63801] bfc0: 000<000>0[1 0 0604.231090] ffa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6de4000 0000000a 00000000 00010 b6f75e00 00<000>0[0 0 4 60.241609] ffc0: 0000000a 0000000a b6f2be00 00000004 00000001 00000000 00020000 be857ac4 0000001 00000000< 00>0[0 2 0 0604.252125] ffe0: 00000004 be8577f8 b6e95d8f b6e1c7e6 800e0030 00000001 00000000 00000000 bec9fac4 # [ < 0 >6[3 . 5 76540262637] Backtrace: 96] bfe0: 00000004 c[9 f 7 f4.267348] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) 8 b6edfd8f b6e667e6< 0 >#[ [ 4.277866] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 63.583345] irq event stamp<:0 >0 64.288303] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.589487<]0 >h[a r d i6r.298988] r9:c452ff60 r8:c5330780 r7:0000000a r6:b6de4000 r5:c638ec80 r4:c0c54f14 qs last enabled at (0): <[0<>0[0 64.309079] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 000000>] 0x0 # <[0 > [ 6 3 .654.319592] r9:c07e0568 r8:c452ff60 r7:c2815800 r6:b6de4000 r5:c638ec80 r4:00000000 8216] hardirqs lasd[i s a b64.329677] [] (vfs_write) from [] (ksys_write+0x74/0xec) ed at (0): [d[9 0 > ]6 4.339240] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c452e000 r5:c638ec80 opy_proce+[0 x 5 f684/.03x41405] r4:c638ec80 944 # [ 63.608<800>0[] s o6f.353941] [] (ksys_write) from [] (sys_write+0x18/0x1c) tirqs last enabd[ a t 6(4.363416] r9:c452e000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:0000000a r4:0000000a ): [] copy_pc[e s 64.373504] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) +0x5f8/0x<109>4[4 #6 4[. 3 8 667] Exception stack(0xc452ffa8 to 0xc452fff0) 63<.06>1[9 4 0 16]4 .s3o9f0t7i1r7] ffa0: 0000000a 0000000a 00000001 b6de4000 0000000a 00000000 s last disabd[ a t 6(40.)400637] ffc0: 0000000a 0000000a b6f2be00 00000004 00000001 00000000 00020000 be857ac4 [<000000<000>>[] 0 x604 . 4#1 982] ffe0: 00000004 be8577f8 b6e95d8f b6e1c7e6 [ 63.628093] ---<[0 >e[ n d 6t.418034] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) race cbde38cd7c28996b ]--- # WAR<4>[ 64.426557] ---[ end trace cbde38cd7c28996c ]--- NING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 63.936703] lkdtm: Performing direct entry EXCEPTION # [ 63.942597] 8<--- cut here --- # [ 63.948628] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 63.959750] pgd = 16a31142 # [ 63.965477] [00000000] *pgd=00000000 # [ 63.972202] Internal error: Oops: 805 [#2] SMP ARM # [ 63.980014] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 64.011977] CPU: 1 PID: 828 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 64.022058] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.030677] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 64.037804] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.044327] pc : [] lr : [] psr: a00e0013 # [ 64.052675] sp : c452fe58 ip : c452fe68 fp : c452fe64 # [ 64.059983] r10: 0000000a r9 : c1ad44b8 r8 : c15ebcc8 # [ 64.067203] r7 : c452ff60 r6 : 0000000a r5 : c65e5000 r4 : 00000004 # [ 64.075811] r3 : 00000000 r2 : 954c803d r1 : ef7965e0 r0 : c15ebce8 # [ 64.084422] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 64.093724] Control: 10c5387d Table: 1606804a DAC: 00000051 # [ 64.101554] Process cat (pid: 828, stack limit = 0xa06e156c) # [ 64.109466] Stack: (0xc452fe58 to 0xc4530000) # [ 64.115821] fe40: c452fe74 c452fe68 # [ 64.126169] fe60: c0c54b34 c0c55164 c452fe9c c452fe78 c0c55034 c0c54b14 c0c54f14 c638ec80 # [ 64.136772] fe80: b6de4000 0000000a c5330780 c452ff60 c452fec4 c452fea0 c07e05cc c0c54f20 # [ 64.147290] fea0: 00000000 c638ec80 b6de4000 c2815800 c452ff60 c07e0568 c452ff5c c452fec8 # [ 64.157809] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c41afce4 c059b1c4 c452e000 # [ 64.168240] fee0: b6de4000 00020000 00000004 0000000a 0001fff6 c452fee0 00000001 00000805 # [ 64.178670] ff00: c6272780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 64.189103] ff20: 00000000 00000000 c452e000 954c803d b6de3000 c638ec80 c638ec80 c452e000 # [ 64.199622] ff40: b6de4000 00000000 00000000 00000004 c452ff94 c452ff60 c059b1c4 c059ab18 # [ 64.210055] ff60: 00000000 00000000 c452ffac 954c803d 0000000a 0000000a b6f2be00 00000004 # [ 64.220571] ff80: c03002e4 c452e000 c452ffa4 c452ff98 c059b254 c059b15c 00000000 c452ffa8 # [ 64.231090] ffa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6de4000 0000000a 00000000 # [ 64.241609] ffc0: 0000000a 0000000a b6f2be00 00000004 00000001 00000000 00020000 be857ac4 # [ 64.252125] ffe0: 00000004 be8577f8 b6e95d8f b6e1c7e6 800e0030 00000001 00000000 00000000 # [ 64.262637] Backtrace: # [ 64.267348] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.277866] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.288303] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.298988] r9:c452ff60 r8:c5330780 r7:0000000a r6:b6de4000 r5:c638ec80 r4:c0c54f14 # [ 64.309079] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.319592] r9:c07e0568 r8:c452ff60 r7:c2815800 r6:b6de4000 r5:c638ec80 r4:00000000 # [ 64.329677] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.339240] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c452e000 r5:c638ec80 # [ 64.349405] r4:c638ec80 # [ 64.353941] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.363416] r9:c452e000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:0000000a r4:0000000a # [ 64.373504] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.383667] Exception stack(0xc452ffa8 to 0xc452fff0) # [ 64.390717] ffa0: 0000000a 0000000a 00000001 b6de4000 0000000a 00000000 # [ 64.400637] ffc0: 0000000a 0000000a b6f2be00 00000004 00000001 00000000 00020000 be857ac4 # [ 64.410982] ffe0: 00000004 be8577f8 b6e95d8f b6e1c7e6 # [ 64.418034] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 64.426557] ---[ end trace cbde38cd7c28996c ]--- # EXCEPTION: missing 'call trace:': [FAIL] not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1 # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 65.539291] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 65.545145] lkdtm: attempting good list addition <6>[ 65.550217] lkdtm: attempting corrupted list addition <3>[ 65.555577] lkdtm: list_add() corruption not detected! # [ 65.539291] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 65.545145] lkdtm: attempting good list addition # [ 65.550217] lkdtm: attempting corrupted list addition # [ 65.555577] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 65.872074] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 65.878114] lkdtm: attempting good list removal <6>[ 65.882947] lkdtm: attempting corrupted list removal <3>[ 65.888237] lkdtm: list_del() corruption not detected! # [ 65.872074] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 65.878114] lkdtm: attempting good list removal # [ 65.882947] lkdtm: attempting corrupted list removal # [ 65.888237] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 66.185925] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 66.192474] lkdtm: attempting bad read from page below current stack <3>[ 66.199150] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 66.185925] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 66.192474] lkdtm: attempting bad read from page below current stack # [ 66.199150] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 66.489325] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 66.495993] lkdtm: attempting bad read from page above current stack <3>[ 66.502650] lkdtm: FAIL: accessed page after stack! (byte: 4) # [ 66.489325] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 66.495993] lkdtm: attempting bad read from page above current stack # [ 66.502650] lkdtm: FAIL: accessed page after stack! (byte: 4) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 66.829975] lkdtm: Performing direct entry UNSET_SMEP <3>[ 66.835307] lkdtm: XFAIL: this test is x86_64-only # [ 66.829975] lkdtm: Performing direct entry UNSET_SMEP # [ 66.835307] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 67.134675] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 67.140469] lkdtm: XFAIL: this test is ia32-only # [ 67.134675] lkdtm: Performing direct entry DOUBLE_FAULT # [ 67.140469] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh <6>[ 67.431332] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 67.436802] lkdtm: XFAIL: this test is arm64-only # [ 67.431332] lkdtm: Performing direct entry CORRUPT_PAC # [ 67.436802] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 67.737753] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 67.744480] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 67.737753] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 67.744480] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 68.408026] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 68.413797] lkdtm: Value in memory before free: 12345678 <6>[ 68.419482] lkdtm: Attempting bad read from freed memory <6>[ 68.425066] lkdtm: Memory was not poisoned # [ 68.408026] lkdtm: Performing direct entry READ_AFTER_FREE # [ 68.413797] lkdtm: Value in memory before free: 12345678 # [ 68.419482] lkdtm: Attempting bad read from freed memory # [ 68.425066] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 68.902294] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 68.908786] lkdtm: Value in memory before free: 12345678 <6>[ 68.914403] lkdtm: Attempting to read from freed memory <6>[ 68.919964] lkdtm: Buddy page was not poisoned # [ 68.902294] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 68.908786] lkdtm: Value in memory before free: 12345678 # [ 68.914403] lkdtm: Attempting to read from freed memory # [ 68.919964] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 69.232266] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 69.238297] lkdtm: Attempting double slab free ... # [ 69.232266] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 69.238297] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 69.564780] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 69.570734] lkdtm: Attempting cross-cache slab free ... # [ 69.564780] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 69.570734] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 69.884711] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 69.890478] lkdtm: Attempting non-Slab slab free ... # [ 69.884711] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 69.890478] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 70.929127] lkdtm: Performing direct entry EXEC_DATA <6>[ 70.934378] lkdtm: attempting ok execution at c0c558a4 <6>[ 70.939888] lkdtm: attempting bad execution at c26f9924 <1>[ 70.945397] 8<--- cut here --- <1>[ 70.948731] Unable to handle kernel paging request at virtual address c26f9924 <1>[ 70.956239] pgd = 2d97378e <1>[ 70.959229] [c26f9924] *pgd=1261141e(bad) <0>[ 70.963556] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 70.969067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 70.998625] CPU: 1 PID: 1671 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 71.006655] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 71.013479] PC is at data_area+0x0/0x40 <4>[ 71.017610] LR is at execute_location+0xa4/0xb4 <4>[ 71.022426] pc : [] lr : [] psr: 600e0013 <4>[ 71.028973] sp : c6473e38 ip : 00000027 fp : c6473e54 <4>[ 71.034479] r10: 0000000a r9 : c1ad469c r8 : c15ebcc8 <4>[ 71.039986] r7 : c6473f60 r6 : 00000001 r5 : c26f9924 r4 : c0c558a4 <4>[ 71.046795] r3 : b1059e2b r2 : b1059e2b r1 : ef7965e4 r0 : 0000002b <4>[ 71.053607] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 71.061026] Control: 10c5387d Table: 1652804a DAC: 00000051 <0>[ 71.067057] Process cat (pid: 1671, stack limit = 0xb12a5c70) <0>[ 71.073090] Stack: (0xc6473e38 to 0xc6474000) <0>[ 71.077735] 3e20: 0000001f c41bd000 <0>[ 71.086205] 3e40: 0000000a c6473f60 c6473e64 c6473e58 c13bd444 c13bd240 c6473e74 c6473e68 <0>[ 71.094675] 3e60: c0c54b34 c13bd42c c6473e9c c6473e78 c0c55034 c0c54b14 c0c54f14 c2fc6640 <0>[ 71.103144] 3e80: b6de0000 0000000a c5330780 c6473f60 c6473ec4 c6473ea0 c07e05cc c0c54f20 <0>[ 71.111612] 3ea0: 00000000 c2fc6640 b6de0000 c2815800 c6473f60 c07e0568 c6473f5c c6473ec8 <0>[ 71.120081] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c41af4a4 c059b1c4 c6472000 <0>[ 71.128550] 3ee0: b6de0000 00020000 00000004 0000000a 0001fff6 c6473ee0 00000001 00000805 <0>[ 71.137017] 3f00: c6550780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 71.145486] 3f20: 00000000 00000000 c6472000 b1059e2b b6ddf000 c2fc6640 c2fc6640 c6472000 <0>[ 71.153953] 3f40: b6de0000 00000000 00000000 00000004 c6473f94 c6473f60 c059b1c4 c059ab18 <0>[ 71.162422] 3f60: 00000000 00000000 c6473fac b1059e2b 0000000a 0000000a b6f27e00 00000004 <0>[ 71.170890] 3f80: c03002e4 c6472000 c6473fa4 c6473f98 c059b254 c059b15c 00000000 c6473fa8 <0>[ 71.179357] 3fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 <0>[ 71.187825] 3fc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 becd8ac4 <0>[ 71.196293] 3fe0: 00000004 becd87f8 b6e91d8f b6e187e6 800e0030 00000001 00000000 00000000 <0>[ 71.204747] Backtrace: <0>[ 71.207503] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 71.215972] r7:c6473f60 r6:0000000a r5:c41bd000 r4:0000001f <0>[ 71.221929] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.230314] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.238621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.246833] r9:c6473f60 r8:c5330780 r7:0000000a r6:b6de0000 r5:c2fc6640 r4:c0c54f14 <0>[ 71.254880] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.263001] r9:c07e0568 r8:c6473f60 r7:c2815800 r6:b6de0000 r5:c2fc6640 r4:00000000 <0>[ 71.271037] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.278464] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6472000 r5:c2fc6640 <0>[ 71.286574] r4:c2fc6640 <0>[ 71.289402] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.296828] r9:c6472000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a <0>[ 71.304869] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.312722] Exception stack(0xc6473fa8 to 0xc6473ff0) <0>[ 71.318064] 3fa0: 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 <0>[ 71.326533] 3fc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 becd8ac4 <0>[ 71.334997] 3fe0: 00000004 becd87f8 b6e91d8f b6e187e6 <0>[ 71.340343] Code: 00000000 c5845900 c58459c0 c5845a80 (e1a0c00d) <4>[ 71.346732] ---[ end trace cbde38cd7c28996d ]--- # Segmentation fault # [ 70.929127] lkdtm: Performing direct entry EXEC_DATA # [ 70.934378] lkdtm: attempting ok execution at c0c558a4 # [ 70.939888] lkdtm: attempting bad execution at c26f9924 # [ 70.945397] 8<--- cut here --- # [ 70.948731] Unable to handle kernel paging request at virtual address c26f9924 # [ 70.956239] pgd = 2d97378e # [ 70.959229] [c26f9924] *pgd=1261141e(bad) # [ 70.963556] Internal error: Oops: 8000000d [#3] SMP ARM # [ 70.969067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 70.998625] CPU: 1 PID: 1671 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 71.006655] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.013479] PC is at data_area+0x0/0x40 # [ 71.017610] LR is at execute_location+0xa4/0xb4 # [ 71.022426] pc : [] lr : [] psr: 600e0013 # [ 71.028973] sp : c6473e38 ip : 00000027 fp : c6473e54 # [ 71.034479] r10: 0000000a r9 : c1ad469c r8 : c15ebcc8 # [ 71.039986] r7 : c6473f60 r6 : 00000001 r5 : c26f9924 r4 : c0c558a4 # [ 71.046795] r3 : b1059e2b r2 : b1059e2b r1 : ef7965e4 r0 : 0000002b # [ 71.053607] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.061026] Control: 10c5387d Table: 1652804a DAC: 00000051 # [ 71.067057] Process cat (pid: 1671, stack limit = 0xb12a5c70) # [ 71.073090] Stack: (0xc6473e38 to 0xc6474000) # [ 71.077735] 3e20: 0000001f c41bd000 # [ 71.086205] 3e40: 0000000a c6473f60 c6473e64 c6473e58 c13bd444 c13bd240 c6473e74 c6473e68 # [ 71.094675] 3e60: c0c54b34 c13bd42c c6473e9c c6473e78 c0c55034 c0c54b14 c0c54f14 c2fc6640 # [ 71.103144] 3e80: b6de0000 0000000a c5330780 c6473f60 c6473ec4 c6473ea0 c07e05cc c0c54f20 # [ 71.111612] 3ea0: 00000000 c2fc6640 b6de0000 c2815800 c6473f60 c07e0568 c6473f5c c6473ec8 # [ 71.120081] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c41af4a4 c059b1c4 c6472000 # [ 71.128550] 3ee0: b6de0000 00020000 00000004 0000000a 0001fff6 c6473ee0 00000001 00000805 # [ 71.137017] 3f00: c6550780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.145486] 3f20: 00000000 00000000 c6472000 b1059e2b b6ddf000 c2fc6640 c2fc6640 c6472000 # [ 71.153953] 3f40: b6de0000 00000000 00000000 00000004 c6473f94 c6473f60 c059b1c4 c059ab18 # [ 71.162422] 3f60: 00000000 00000000 c6473fac b1059e2b 0000000a 0000000a b6f27e00 00000004 # [ 71.170890] 3f80: c03002e4 c6472000 c6473fa4 c6473f98 c059b254 c059b15c 00000000 c6473fa8 # [ 71.179357] 3fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 # [ 71.187825] 3fc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 becd8ac4 # [ 71.196293] 3fe0: 00000004 becd87f8 b6e91d8f b6e187e6 800e0030 00000001 00000000 00000000 # [ 71.204747] Backtrace: # [ 71.207503] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 71.215972] r7:c6473f60 r6:0000000a r5:c41bd000 r4:0000001f # [ 71.221929] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.230314] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.238621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.246833] r9:c6473f60 r8:c5330780 r7:0000000a r6:b6de0000 r5:c2fc6640 r4:c0c54f14 # [ 71.254880] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.263001] r9:c07e0568 r8:c6473f60 r7:c2815800 r6:b6de0000 r5:c2fc6640 r4:00000000 # [ 71.271037] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.278464] r10:00<6>[ 71.763292] lkdtm: Performing direct entry EXEC_STACK 000004 r9:00000000 r8:00000000 r7<6>[ 71.769408] lkdtm: attempting ok execution at c0c558a4 :b6de0000 r6:c6472000 r5:c2fc6640<6>[ 71.777722] lkdtm: attempting bad execution at c6713e0c # [ 71.286574] r4:c2fc6640 <1>[ 71.785979] 8<--- cut here --- # [ 71.2894<012>][ [ < c701.5792099] Unable to handle kernel paging request at virtual address c6713e0c b150>] (ksys_i[t e ) 7f1r.o01490] pgd = d7a5e49e m [] (sys_wre[+ 0 71.806365] [c6713e0c] *pgd=1661141e(bad) 18/0x1c) # [ 7<10.>2[9 6 8 278.812984] Internal error: Oops: 8000000d [#4] SMP ARM ] r9:c6472000 r8:c03002e4 r7:000<4>[ 71.820549] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 00004 r6:b6f27e00 r<54:>0[0 0 0 01.852512] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.182-cip35 #1 00a r4:000<040>0[0 a 7#1 .[8 62678] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 71.304869] [2[3 c > ]7 .871294] PC is at 0xc6713e0c (sys_write) from [0[0 c 071.876779] LR is at execute_location+0xa4/0xb4 >] (ret_fa_[ s y s7c1a.l8l8+819] pc : [] lr : [] psr: 600e0013 0x0/0x28)< 4 >#[ [ 7 17.18.93080] sp : c6713de8 ip : c6713cf0 fp : c6713e04 12722]< 4E>x[c e p t7i1o.n8 9s9t299] r10: 0000000b r9 : c1ad46a8 r8 : c15ebcc8 ck(0xc64738[ t o7 10.x9c06435] r7 : c6713f60 r6 : 00000001 r5 : c6713e0c r4 : c0c558a4 473ff0) # <[4 > [ 7 1 .7311.8904957] r3 : 1adc18c7 r2 : 1adc18c7 r1 : ef7965e0 r0 : 0000002b 64] 3fa0: < 4 > [ 7 1 . 9 3566] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000<040>a[ 0 0 07010.0902781] Control: 10c5387d Table: 1661404a DAC: 00000051 a 00000001 d[e 0 0 0701 .0900610] Process cat (pid: 1747, stack limit = 0x9118f417) 00000a 0000<000>0[0 #7 1[. 9 8437] Stack: (0xc6713de8 to 0xc6714000) 71.326533] 3fc0:< 00>0[0 0 0 070.954879] 3de0: c6712000 c65e7000 0000000b c6713f60 c6713e64 c6713e08 a 0000000a b6f2<70e>0[0 07010.965396] 3e00: c13bd480 c13bd240 c6713e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 71.975828] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3063374 e34c31b8 0004 00000001 00<000>0[0 0 0 701.984274] 3e40: e3a02040 e3a01d33 e5930018 1adc18c7 0000000b 00000020 c6713e74 c6713e68 020000 becd8ac4< 0 >#[ [ 7 17994794] 3e60: c0c54b34 c13bd454 c6713e9c c6713e78 c0c55034 c0c54b14 c0c54f14 c2fc7180 1.334997] 3fe<00:> [0 0 0 07020.005223] 3e80: b6e13000 0000000b c5330780 c6713f60 c6713ec4 c6713ea0 c07e05cc c0c54f20 4 becd87f8 b6e<901>d[8 f b762e.015568] 3ea0: 00000000 c2fc7180 b6e13000 c2815800 c6713f60 c07e0568 c6713f5c c6713ec8 87e6 # [ 7<10.>3[4 0 3 4732]. 26001] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6712000 Code: 00000000< 0c>5[8 4 5 97020.036347] 3ee0: b6e13000 00020000 00000004 0000000b 0001fff5 c6713ee0 00000001 b6e12000 c58459c0 c58450[ ( e 17a20.046779] 3f00: c6551540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00d) # [ 7<10.>3[4 6 7 3722].057211] 3f20: 00000000 00000000 c13d27c8 1adc18c7 c205ef60 c2fc7180 c2fc7180 c6712000 ---[ end trace d[e 3 8 c7d27067643] 3f40: b6e13000 00000000 00000000 00000004 c6713f94 c6713f60 c059b1c4 c059ab18 c28996d ]--- # EC[_ D A T7A.078078] 3f60: 00000000 00000000 c6713fac 1adc18c7 0000000b 0000000b b6f5ae00 00000004 : missing 'ca [t r a c7e2:.'88593] 3f80: c03002e4 c6712000 c6713fa4 c6713f98 c059b254 c059b15c 00000000 c6713fa8 : [FAIL] not o3[0 s e7l2f098938] 3fa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 tests: lkdtm:< 0E>X[E C _ D7A2T.A09369] 3fc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 bec4dac4 .sh # exit=1 #< 0s>e[l f t e7s2t119715] 3fe0: 00000004 bec4d7f8 b6ec4d8f b6e4b7e6 800e0030 00000001 00000000 00000000 s: lkdtm: EX_[S T A C7K2..s130139] Backtrace: <0>[ 72.134767] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 72.143460] r7:c6713f60 r6:0000000b r5:c65e7000 r4:c6712000 <0>[ 72.149394] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.157836] r4:00000020 <0>[ 72.160642] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.168920] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.177106] r9:c6713f60 r8:c5330780 r7:0000000b r6:b6e13000 r5:c2fc7180 r4:c0c54f14 <0>[ 72.185122] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 72.193221] r9:c07e0568 r8:c6713f60 r7:c2815800 r6:b6e13000 r5:c2fc7180 r4:00000000 <0>[ 72.201235] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.208639] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6712000 r5:c2fc7180 <0>[ 72.216733] r4:c2fc7180 <0>[ 72.219538] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.226940] r9:c6712000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000b r4:0000000b <0>[ 72.234955] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.242789] Exception stack(0xc6713fa8 to 0xc6713ff0) <0>[ 72.248110] 3fa0: 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 <0>[ 72.256555] 3fc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 bec4dac4 <0>[ 72.264998] 3fe0: 00000004 bec4d7f8 b6ec4d8f b6e4b7e6 <0>[ 72.270319] Code: c6713e08 c13bd480 c13bd240 c6713e6c (e1a0c00d) <4>[ 72.276683] ---[ end trace cbde38cd7c28996e ]--- # Segmentation fault # [ 71.763292] lkdtm: Performing direct entry EXEC_STACK # [ 71.769408] lkdtm: attempting ok execution at c0c558a4 # [ 71.777722] lkdtm: attempting bad execution at c6713e0c # [ 71.785979] 8<--- cut here --- # [ 71.792099] Unable to handle kernel paging request at virtual address c6713e0c # [ 71.801490] pgd = d7a5e49e # [ 71.806365] [c6713e0c] *pgd=1661141e(bad) # [ 71.812984] Internal error: Oops: 8000000d [#4] SMP ARM # [ 71.820549] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 71.852512] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 71.862678] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.871294] PC is at 0xc6713e0c # [ 71.876779] LR is at execute_location+0xa4/0xb4 # [ 71.883819] pc : [] lr : [] psr: 600e0013 # [ 71.892080] sp : c6713de8 ip : c6713cf0 fp : c6713e04 # [ 71.899299] r10: 0000000b r9 : c1ad46a8 r8 : c15ebcc8 # [ 71.906435] r7 : c6713f60 r6 : 00000001 r5 : c6713e0c r4 : c0c558a4 # [ 71.914957] r3 : 1adc18c7 r2 : 1adc18c7 r1 : ef7965e0 r0 : 0000002b # [ 71.923566] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.932781] Control: 10c5387d Table: 1661404a DAC: 00000051 # [ 71.940610] Process cat (pid: 1747, stack limit = 0x9118f417) # [ 71.948437] Stack: (0xc6713de8 to 0xc6714000) # [ 71.954879] 3de0: c6712000 c65e7000 0000000b c6713f60 c6713e64 c6713e08 # [ 71.965396] 3e00: c13bd480 c13bd240 c6713e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 71.975828] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3063374 e34c31b8 # [ 71.984274] 3e40: e3a02040 e3a01d33 e5930018 1adc18c7 0000000b 00000020 c6713e74 c6713e68 # [ 71.994794] 3e60: c0c54b34 c13bd454 c6713e9c c6713e78 c0c55034 c0c54b14 c0c54f14 c2fc7180 # [ 72.005223] 3e80: b6e13000 0000000b c5330780 c6713f60 c6713ec4 c6713ea0 c07e05cc c0c54f20 # [ 72.015568] 3ea0: 00000000 c2fc7180 b6e13000 c2815800 c6713f60 c07e0568 c6713f5c c6713ec8 # [ 72.026001] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6712000 # [ 72.036347] 3ee0: b6e13000 00020000 00000004 0000000b 0001fff5 c6713ee0 00000001 b6e12000 # [ 72.046779] 3f00: c6551540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.057211] 3f20: 00000000 00000000 c13d27c8 1adc18c7 c205ef60 c2fc7180 c2fc7180 c6712000 # [ 72.067643] 3f40: b6e13000 00000000 00000000 00000004 c6713f94 c6713f60 c059b1c4 c059ab18 # [ 72.078078] 3f60: 00000000 00000000 c6713fac 1adc18c7 0000000b 0000000b b6f5ae00 00000004 # [ 72.088593] 3f80: c03002e4 c6712000 c6713fa4 c6713f98 c059b254 c059b15c 00000000 c6713fa8 # [ 72.098938] 3fa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 # [ 72.109369] 3fc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 bec4dac4 # [ 72.119715] 3fe0: 00000004 bec4d7f8 b6ec4d8f b6e4b7e6 800e0030 00000001 00000000 00000000 # [ 72.130139] Backtrace: # [ 72.134767] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 72.143460] r7:c6713f60 r6:0000000b r5:c65e7000 r4:c6712000 # [ 72.149394] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.157836] r4:00000020 # [ 72.160642] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.16<6>[ 72.697224] lkdtm: Performing direct entry EXEC_KMALLOC 8920] [] (direct_t 72.704744] lkdtm: attempting ok execution at c0c558a4 ry) from [] (full_proxy<6>[ 72.712771] lkdtm: attempting bad execution at c64efdc0 _write+0x64/0x94) # [ 72.17710<1>[ 72.721127] 8<--- cut here --- 6] r9:c67130[ r 8 7:2c.5737190] Unable to handle kernel paging request at virtual address c64efdc0 30780 r7:00000<010>b[ r 6 :7b26.736496] pgd = 03e3bf88 13000 r5:c2fc7180 r4:c0c544[ 72.741455] [c64efdc0] *pgd=1641141e(bad) # [ 72.185122]< 0[><[c 0 7 e70.748246] Internal error: Oops: 8000000d [#5] SMP ARM 568>] (full_proxy_write) from [[ 72.755810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 059ac18>] (vfs_write+<04x>1[0 c /72.787772] CPU: 2 PID: 1826 Comm: cat Tainted: G D W 5.10.182-cip35 #1 0x53c) # <[4 > [ 7 2 .721.97392024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 21] r9:c07e0568 :[c 6 7 173.806551] PC is at 0xc64efdc0 f60 r7:c2815800 r6:b6e<143>0[0 0 72.812037] LR is at execute_location+0xa4/0xb4 r5:c2fc71<840> [r 4 : 07020.08010163] pc : [] lr : [] psr: 600e0013 00 # [ <742>.[2 0 1 2732.58]2 423] sp : c652be30 ip : c652bd38 fp : c652be4c [4]> [( v f s7_2w.r8i34643] r10: 0000000d r9 : c1ad46b4 r8 : c15ebcc8 e) from [<<4c>0[5 9 b 17c24.>8]4 949] r7 : c652bf60 r6 : 00000001 r5 : c64efdc0 r4 : c0c558a4 (ksys_write<+40>x[7 4 / 072x.e8c50470] r3 : f511d9a0 r2 : f511d9a0 r1 : ef7ab5e0 r0 : 0000002b # [ 72.208<643>9[] r7120.859080] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000004 r9:<040>0[0 0 0 0702 .r868469] Control: 10c5387d Table: 1645804a DAC: 00000051 :00000000 r7<:0b>6[e 1 3 07020. 876383] Process cat (pid: 1826, stack limit = 0xaf07e62a) 6:c6712000 r5<:0c>2[f c 7 17820. 84297] Stack: (0xc652be30 to 0xc652c000) # [ 72.2167<303>][ r 47:2c.890823] be20: c64efdc0 c463b000 0000000d c652bf60 fc7180 # [ <702>.[2 1 9 57328.901257] be40: c652be64 c652be50 c0c558f4 c13bd240 00000021 c463b000 c652be74 c652be68 [] (ks_[w r i t7e.911691] be60: c0c54b34 c0c558c8 c652be9c c652be78 c0c55034 c0c54b14 c0c54f14 c612e8c0 ) from []< 0(>s[y s _ w2.922209] be80: b6e0b000 0000000d c5330780 c652bf60 c652bec4 c652bea0 c07e05cc c0c54f20 rite+0x18/0x1c) <#0 >[[ 772.932814] bea0: 00000000 c612e8c0 b6e0b000 c2815800 c652bf60 c07e0568 c652bf5c c652bec8 .226940] r9:c671<200>0[0 r 87:.943332] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c652a000 c03002e4 r7:00<000>0[0 0 4 7r26.953850] bee0: b6e0b000 00020000 00000004 0000000d 0001fff3 c652bee0 00000001 b6e0a000 b6f5ae00 r5:00000<00>0[b r 47:2.964282] bf00: c6351a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000000b # [ 72.<203>4[9 5 5 ]72.974800] bf20: 00000000 00000000 c13d27c8 f511d9a0 c205ef60 c612e8c0 c612e8c0 c652a000 [] (sys<_0w>r[i t e )7 .985404] bf40: b6e0b000 00000000 00000000 00000004 c652bf94 c652bf60 c059b1c4 c059ab18 from [<]0 >([r e t _7f2.995923] bf60: 00000000 00000000 c652bfac f511d9a0 0000000d 0000000d b6f52e00 00000004 st_syscall+0x0/<00x>2[8 ) 7#3 006440] bf80: c03002e4 c652a000 c652bfa4 c652bf98 c059b254 c059b15c 00000000 c652bfa8 [ 72.242789] Ee[p t i o7n3.016870] bfa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e0b000 0000000d 00000000 stack(0xc6713fa8< 0t>o[ 0 x c763.027388] bfc0: 0000000d 0000000d b6f52e00 00000004 00000001 00000000 00020000 bea43ac4 13ff0) # [ 7<20.>2[4 8 1 1703]037906] bfe0: 00000004 bea437f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000 3fa0: < 0 > [ 7 3 .048332] Backtrace: 0000000b 0000000b 00000001 [ 73.053046] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 13000 0000000b <000>0[0 0 0 0703 064339] r7:c652bf60 r6:0000000d r5:c463b000 r4:c64efdc0 # [ 72.256555] 3fc<00:> [0 0 073.072255] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 0000b 000000<00b> [b 6 f 57a3e.0083116] r5:c463b000 r4:00000021 00000004 00000001 <000>0[0 0 0 03.088864] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0 00020000 bec4dac4 # [ < 0 >7[2 73.099300] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) .264998] 3fe0: 0<000>0[0 0 0 47 3.109899] r9:c652bf60 r8:c5330780 r7:0000000d r6:b6e0b000 r5:c612e8c0 r4:c0c54f14 ec4d7f8 b6ec4d8f b6e4b7e6 < 0#> [ 73.119989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 72.270319] Co:[ c 6 7713.130587] r9:c07e0568 r8:c652bf60 r7:c2815800 r6:b6e0b000 r5:c612e8c0 r4:00000000 e08 c13bd480 c13bd<204>0[ c 6 773.140672] [] (vfs_write) from [] (ksys_write+0x74/0xec) 3e6c (e1a0c00d)< 0 > [# [ 7 3 150233] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c652a000 r5:c612e8c0 72.27668<30]> [- - - [7 3e.n1d6 0313] r4:c612e8c0 race cbde38cd7c289<906>e[ ] - -73.164847] [] (ksys_write) from [] (sys_write+0x18/0x1c) # EXEC_STACK:< 0m>i[s s i n7g3 174409] r9:c652a000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000d r4:0000000d 'call trace:': [FAIL] t[ o 73.184411] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) k 31 sele[s t s :7 3l.k1d9t4573] Exception stack(0xc652bfa8 to 0xc652bff0) : EXEC_STACK. [# e x7i3t.=01622] bfa0: 0000000d 0000000d 00000001 b6e0b000 0000000d 00000000 1 # selftests: d[t m : 7E3.211969] bfc0: 0000000d 0000000d b6f52e00 00000004 00000001 00000000 00020000 bea43ac4 EC_KMALLOC. [ 73.222484] bfe0: 00000004 bea437f8 b6ebcd8f b6e437e6 <0>[ 73.229098] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) <4>[ 73.235463] ---[ end trace cbde38cd7c28996f ]--- # Segmentation fault # [ 72.697224] lkdtm: Performing direct entry EXEC_KMALLOC # [ 72.704744] lkdtm: attempting ok execution at c0c558a4 # [ 72.712771] lkdtm: attempting bad execution at c64efdc0 # [ 72.721127] 8<--- cut here --- # [ 72.727190] Unable to handle kernel paging request at virtual address c64efdc0 # [ 72.736496] pgd = 03e3bf88 # [ 72.741455] [c64efdc0] *pgd=1641141e(bad) # [ 72.748246] Internal error: Oops: 8000000d [#5] SMP ARM # [ 72.755810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 72.787772] CPU: 2 PID: 1826 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 72.798024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.806551] PC is at 0xc64efdc0 # [ 72.812037] LR is at execute_location+0xa4/0xb4 # [ 72.819163] pc : [] lr : [] psr: 600e0013 # [ 72.827423] sp : c652be30 ip : c652bd38 fp : c652be4c # [ 72.834643] r10: 0000000d r9 : c1ad46b4 r8 : c15ebcc8 # [ 72.841949] r7 : c652bf60 r6 : 00000001 r5 : c64efdc0 r4 : c0c558a4 # [ 72.850470] r3 : f511d9a0 r2 : f511d9a0 r1 : ef7ab5e0 r0 : 0000002b # [ 72.859080] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.868469] Control: 10c5387d Table: 1645804a DAC: 00000051 # [ 72.876383] Process cat (pid: 1826, stack limit = 0xaf07e62a) # [ 72.884297] Stack: (0xc652be30 to 0xc652c000) # [ 72.890823] be20: c64efdc0 c463b000 0000000d c652bf60 # [ 72.901257] be40: c652be64 c652be50 c0c558f4 c13bd240 00000021 c463b000 c652be74 c652be68 # [ 72.911691] be60: c0c54b34 c0c558c8 c652be9c c652be78 c0c55034 c0c54b14 c0c54f14 c612e8c0 # [ 72.922209] be80: b6e0b000 0000000d c5330780 c652bf60 c652bec4 c652bea0 c07e05cc c0c54f20 # [ 72.932814] bea0: 00000000 c612e8c0 b6e0b000 c2815800 c652bf60 c07e0568 c652bf5c c652bec8 # [ 72.943332] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c652a000 # [ 72.953850] bee0: b6e0b000 00020000 00000004 0000000d 0001fff3 c652bee0 00000001 b6e0a000 # [ 72.964282] bf00: c6351a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.974800] bf20: 00000000 00000000 c13d27c8 f511d9a0 c205ef60 c612e8c0 c612e8c0 c652a000 # [ 72.985404] bf40: b6e0b000 00000000 00000000 00000004 c652bf94 c652bf60 c059b1c4 c059ab18 # [ 72.995923] bf60: 00000000 00000000 c652bfac f511d9a0 0000000d 0000000d b6f52e00 00000004 # [ 73.006440] bf80: c03002e4 c652a000 c652bfa4 c652bf98 c059b254 c059b15c 00000000 c652bfa8 # [ 73.016870] bfa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e0b000 0000000d 00000000 # [ 73.027388] bfc0: 0000000d 0000000d b6f52e00 00000004 00000001 00000000 00020000 bea43ac4 # [ 73.037906] bfe0: 00000004 bea437f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000 # [ 73.048332] Backtrace: # [ 73.053046] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 73.064339] r7:c652bf60 r6:0000000d r5:c463b000 r4:c64efdc0 # [ 73.072255] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.083116] r5:c463b000 r4:00000021 # [ 73.088864] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.099300] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.109899] r9:c652bf60 r8:c5330780 r7:0000000d r6:b6e0b000 r5:c612e8c0 r4:c0c54f14 # [ 73.119989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.130587] r9:c07e0568 r8:c652bf60 r7:c2815800 r6:b6e0b000 r5:c612e8c0 r4:00000000 # [ 73.140672] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 73.150233] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c652a000 r5:c612e8c0 # [ 73.160<6>[ 73.684404] lkdtm: Performing direct entry EXEC_VMALLOC 313] r4:c612e8c0 # [ 73.16484<6>[ 73.690742] lkdtm: attempting ok execution at c0c558a4 7] [] (ksys_write) from<6>[ 73.699038] lkdtm: attempting bad execution at f0972000 [] (sys_write+0x18/0x1<1>[ 73.707344] 8<--- cut here --- c) # [ 73.174409<]1 > [r 9 : c3.713454] Unable to handle kernel paging request at virtual address f0972000 652a000 r8:c03002e4 r7:00000004 r<1>[ 73.723149] pgd = 60772a47 6:b6f52e00 r5:0000000d r4:0000000<1>[ 73.728989] [f0972000] *pgd=1294b811, *pte=4908565f, *ppte=4908545f d # [ 73.184411] [] <0>[ 73.738379] Internal error: Oops: 8000000f [#6] SMP ARM (sys_write) from [] (re<4>[ 73.746681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 t_fast_syscall+0x0/<04x>2[8 ) 3.778647] CPU: 2 PID: 1903 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 73.19<445>7[3 ] E7x3c.e7p8814] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) tion stack(0xc652bf[ t o 73.797428] PC is at 0xf0972000 xc652bff0) # [ 73.20<146>2[2 73.803002] LR is at execute_location+0xa4/0xb4 bfa0: < 4 > [ 7 3 . 8 1 127] pc : [] lr : [] psr: 600e0013 00000<04>0[d 0 07030.080108388] sp : c452fe30 ip : c452fd38 fp : c452fe4c 00000001< 4b>6[e 0 b 07030. 8020608] r10: 0000000d r9 : c1ad46c4 r8 : c15ebcc8 00000d 000<040>0[0 0 7#3 .[8 32827] r7 : c452ff60 r6 : 00000001 r5 : f0972000 r4 : c0c558a4 73.211969<4]> [b f c 07:3 .08040436] r3 : df123063 r2 : df123063 r1 : ef7ab5e0 r0 : 0000002b 0000d 0000000d< 4b>6[f 5 2 e730.049960] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000004 00<040>0[0 0 1 7030.0859261] Control: 10c5387d Table: 147c804a DAC: 00000051 0000 00020000 b4[3 a c 47 3 867177] Process cat (pid: 1903, stack limit = 0xa06e156c) # [ 73.222<408>4[ ] b7f3e.08:5176] Stack: (0xc452fe30 to 0xc4530000) 00000004 bea437f<80 >b[6 e b c7d.881616] fe20: f0972000 c463b000 0000000d c452ff60 8f b6e437e6 # [ < 07>3[. 2 2 973.892136] fe40: c452fe64 c452fe50 c0c55928 c13bd240 00000022 c463b000 c452fe74 c452fe68 98] Code: 0016<000>1[7 0 07030.902739] fe60: c0c54b34 c0c5590c c452fe9c c452fe78 c0c55034 c0c54b14 c0c54f14 c6350140 000 00000000 000<000>0[0 0 (7e3.913171] fe80: b6e1f000 0000000d c5330780 c452ff60 c452fec4 c452fea0 c07e05cc c0c54f20 a0c00d) # [ 73.<203>[5 4 6 373.923691] fea0: 00000000 c6350140 b6e1f000 c2815800 c452ff60 c07e0568 c452ff5c c452fec8 ---[ end trace d[e 3 8 c7d3.934295] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c452e000 c28996f ]--- < 0#> [E X E C7_3K.M44812] fee0: b6e1f000 00020000 00000004 0000000d 0001fff3 c452fee0 00000001 b6e1e000 ALLOC: missing< 0'>c[a l l 7t3r.955157] ff00: c6273b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ce:': [FAIL] n [o k 7332.965589] ff20: 00000000 00000000 c13d27c8 df123063 c205ef60 c6350140 c6350140 c452e000 selftests: lkdtm<:0 >E[X E C _7K3.976023] ff40: b6e1f000 00000000 00000000 00000004 c452ff94 c452ff60 c059b1c4 c059ab18 ALLOC.sh # exit=<10 > [# s e7l3.986541] ff60: 00000000 00000000 c452ffac df123063 0000000d 0000000d b6f66e00 00000004 tests: lkdtm: EX_[V M A L7L3.997059] ff80: c03002e4 c452e000 c452ffa4 c452ff98 c059b254 c059b15c 00000000 c452ffa8 C.sh <0>[ 74.007577] ffa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e1f000 0000000d 00000000 <0>[ 74.016533] ffc0: 0000000d 0000000d b6f66e00 00000004 00000001 00000000 00020000 be8f3ac4 <0>[ 74.024981] ffe0: 00000004 be8f37f8 b6ed0d8f b6e577e6 800e0030 00000001 00000000 00000000 <0>[ 74.033421] Backtrace: <0>[ 74.036149] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 74.044857] r7:c452ff60 r6:0000000d r5:c463b000 r4:f0972000 <0>[ 74.050787] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.059404] r5:c463b000 r4:00000022 <0>[ 74.063252] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.071531] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.079721] r9:c452ff60 r8:c5330780 r7:0000000d r6:b6e1f000 r5:c6350140 r4:c0c54f14 <0>[ 74.087739] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.095838] r9:c07e0568 r8:c452ff60 r7:c2815800 r6:b6e1f000 r5:c6350140 r4:00000000 <0>[ 74.103852] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.111256] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c452e000 r5:c6350140 <0>[ 74.119349] r4:c6350140 <0>[ 74.122153] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.129557] r9:c452e000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:0000000d r4:0000000d <0>[ 74.137574] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.145411] Exception stack(0xc452ffa8 to 0xc452fff0) <0>[ 74.150732] ffa0: 0000000d 0000000d 00000001 b6e1f000 0000000d 00000000 <0>[ 74.159178] ffc0: 0000000d 0000000d b6f66e00 00000004 00000001 00000000 00020000 be8f3ac4 <0>[ 74.167621] ffe0: 00000004 be8f37f8 b6ed0d8f b6e577e6 <0>[ 74.172947] Code: bad PC value <4>[ 74.176370] ---[ end trace cbde38cd7c289970 ]--- # Segmentation fault # [ 73.684404] lkdtm: Performing direct entry EXEC_VMALLOC # [ 73.690742] lkdtm: attempting ok execution at c0c558a4 # [ 73.699038] lkdtm: attempting bad execution at f0972000 # [ 73.707344] 8<--- cut here --- # [ 73.713454] Unable to handle kernel paging request at virtual address f0972000 # [ 73.723149] pgd = 60772a47 # [ 73.728989] [f0972000] *pgd=1294b811, *pte=4908565f, *ppte=4908545f # [ 73.738379] Internal error: Oops: 8000000f [#6] SMP ARM # [ 73.746681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 73.778647] CPU: 2 PID: 1903 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 73.788814] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.797428] PC is at 0xf0972000 # [ 73.803002] LR is at execute_location+0xa4/0xb4 # [ 73.810127] pc : [] lr : [] psr: 600e0013 # [ 73.818388] sp : c452fe30 ip : c452fd38 fp : c452fe4c # [ 73.825608] r10: 0000000d r9 : c1ad46c4 r8 : c15ebcc8 # [ 73.832827] r7 : c452ff60 r6 : 00000001 r5 : f0972000 r4 : c0c558a4 # [ 73.841436] r3 : df123063 r2 : df123063 r1 : ef7ab5e0 r0 : 0000002b # [ 73.849960] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.859261] Control: 10c5387d Table: 147c804a DAC: 00000051 # [ 73.867177] Process cat (pid: 1903, stack limit = 0xa06e156c) # [ 73.875176] Stack: (0xc452fe30 to 0xc4530000) # [ 73.881616] fe20: f0972000 c463b000 0000000d c452ff60 # [ 73.892136] fe40: c452fe64 c452fe50 c0c55928 c13bd240 00000022 c463b000 c452fe74 c452fe68 # [ 73.902739] fe60: c0c54b34 c0c5590c c452fe9c c452fe78 c0c55034 c0c54b14 c0c54f14 c6350140 # [ 73.913171] fe80: b6e1f000 0000000d c5330780 c452ff60 c452fec4 c452fea0 c07e05cc c0c54f20 # [ 73.923691] fea0: 00000000 c6350140 b6e1f000 c2815800 c452ff60 c07e0568 c452ff5c c452fec8 # [ 73.934295] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c452e000 # [ 73.944812] fee0: b6e1f000 00020000 00000004 0000000d 0001fff3 c452fee0 00000001 b6e1e000 # [ 73.955157] ff00: c6273b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.965589] ff20: 00000000 00000000 c13d27c8 df123063 c205ef60 c6350140 c6350140 c452e000 # [ 73.976023] ff40: b6e1f000 00000000 00000000 00000004 c452ff94 c452ff60 c059b1c4 c059ab18 # [ 73.986541] ff60: 00000000 00000000 c452ffac df123063 0000000d 0000000d b6f66e00 00000004 # [ 73.997059] ff80: c03002e4 c452e000 c452ffa4 c452ff98 c059b254 c059b15c 00000000 c452ffa8 # [ 74.007577] ffa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6e1f000 0000000d 00000000 # [ 74.016533] ffc0: 0000000d 0000000d b6f66e00 00000004 00000001 00000000 00020000 be8f3ac4 # [ 74.024981] ffe0: 00000004 be8f37f8 b6ed0d8f b6e577e6 800e0030 00000001 00000000 00000000 # [ 74.033421] Backtrace: # [ 74.036149] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 74.044857] r7:c452ff60 r6:0000000d r5:c463b000 r4:f0972000 # [ 74.050787] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.059404] r5:c463b000 r4:00000022 # [ 74.063252] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.071531] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.079721] r9:c452ff60 r8:c5330780 r7:0000000d r6<6>[ 74.607302] lkdtm: Performing direct entry EXEC_RODATA :b6e1f000 r5:c6350<61>4[0 r 47:.613393] lkdtm: attempting ok execution at c0c558a4 c0c54f14 # [ 74.087739] [[ 74.620948] lkdtm: attempting bad execution at c15ebf64 0568>] (full_proxy_write) from [<<1>[ 74.629286] 8<--- cut here --- c059ac18>] (s[_ w r i7t4e.+635403] Unable to handle kernel paging request at virtual address c15ebf64 x10c/0x53c) # [< 1 > [7 4 . 0794.644798] pgd = 945bb42e 838] r9:c07e0568 r8:c452f0[ 74.649846] [c15ebf64] *pgd=1141941e(bad) r7:c2815800 r6:b6e1f0<000> [r 5 :74.656640] Internal error: Oops: 8000000d [#7] SMP ARM c6350140 r4:00000000 # [ 74.10<4>[ 74.664376] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 3852] [] (vfw[r i 74.696341] CPU: 2 PID: 1980 Comm: cat Tainted: G D W 5.10.182-cip35 #1 e) from [c[ 4 > ]7 4(.k06681] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) sys_write+0x74/0xec) # [ 74.<1>[ 74.715388] PC is at lkdtm_rodata_do_nothing+0x0/0x10 11256] r10:000000<044> [r 9 : 074.723381] LR is at execute_location+0xa4/0xb4 000000 r8:00<040>0[0 0 0 7r47.:730335] pc : [] lr : [] psr: 600e0013 6e1f000 r<46>:[c 4 5 27e40.0703 8768] sp : c2e53e38 ip : c2e53d40 fp : c2e53e54 5:c6350140 < 4#> [[ 7744.7.45989] r10: 0000000c r9 : c1ad46d4 r8 : c15ebcc8 19349] r4:c<643>5[0 1 4 07 4 .#753296] r7 : c2e53f60 r6 : 00000000 r5 : c15ebf64 r4 : c0c558a4 [ 74.12<241>5[3 ] [7<4c.07569989] r3 : a08fbe5b r2 : a08fbe5b r1 : ef7ab5e0 r0 : 0000002b b150>] (ksys_wre[ ) f7r4o.770514] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [<]4 >([s y s _7w4r.i779901] Control: 10c5387d Table: 1677004a DAC: 00000051 e+0x18/0x1c) < 0#> [[ 7744..87816] Process cat (pid: 1980, stack limit = 0x02e2018a) 129557] r9<:0>c[4 5 2 e7040.07 95730] Stack: (0xc2e53e38 to 0xc2e54000) 8:c03002e4 r7:<000>0[0 0 0 0744. 02170] 3e20: 00000023 c445e000 r6:b6f66e00 r5:000<000>0[0 d r74.812517] 3e40: 0000000c c2e53f60 c2e53e64 c2e53e58 c13bd4c0 c13bd240 c2e53e74 c2e53e68 :0000000d # [ < 0 >7[4 . 1 37745823121] 3e60: c0c54b34 c13bd4a8 c2e53e9c c2e53e78 c0c55034 c0c54b14 c0c54f14 c612ef00 74] [<]0 >([s y s _7w4r833553] 3e80: b6e39000 0000000c c5330780 c2e53f60 c2e53ec4 c2e53ea0 c07e05cc c0c54f20 ite) from [0[> ] 7(4.843984] 3ea0: 00000000 c612ef00 b6e39000 c2815800 c2e53f60 c07e0568 c2e53f5c c2e53ec8 et_fast_syscall+0x<00/>0[x 2 8 )74.854504] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c2e52000 # [ 74.145<401>1[] E x7c4e.p65106] 3ee0: b6e39000 00020000 00000004 0000000c 0001fff4 c2e53ee0 00000001 b6e38000 tion stack(0x5[2 f f a784 .t75452] 3f00: c6275400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 o 0xc452fff0) # <[0 > [ 7 4 .71.885798] 3f20: 00000000 00000000 c13d27c8 a08fbe5b c205ef60 c612ef00 c612ef00 c2e52000 50732] ffa0: < 0 > [ 7 4.896316] 3f40: b6e39000 00000000 00000000 00000004 c2e53f94 c2e53f60 c059b1c4 c059ab18 0000000d 0<000>0[0 0 0 d7 4.906835] 3f60: 00000000 00000000 c2e53fac a08fbe5b 0000000c 0000000c b6f80e00 00000004 0000001 b6e1f000 0<000>0[0 0 0 d74.917354] 3f80: c03002e4 c2e52000 c2e53fa4 c2e53f98 c059b254 c059b15c 00000000 c2e53fa8 00000000 # [ 7<40.>1[5 9 1 778.927957] 3fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e39000 0000000c 00000000 ] ffc0: 0000000d <000>0[0 0 0 07d.938476] 3fc0: 0000000c 0000000c b6f80e00 00000004 00000001 00000000 00020000 be83fac4 b6f66e00 0000000<40 >0[0 0 0 070.948994] 3fe0: 00000004 be83f7f8 b6eead8f b6e717e6 800e0030 00000001 00000000 00000000 01 00000000 000<200>0[0 0 b7e48959505] Backtrace: f3ac4 # [ 74.16762<10]> [f f e74.964215] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 0: 00000004 be8f3<70f>8[ b 6 e7d.975079] r7:c2e53f60 r6:0000000c r5:c445e000 r4:00000023 0d8f b6e577e6 # [ 7<40.>[1 7 274.983081] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) 947] Code: bad PC val [ # 74.993861] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 74.176370] ---[ end tre[ 75.004382] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) cbde38cd7c289970 ]-<-0-> [ # E5.015068] r9:c2e53f60 r8:c5330780 r7:0000000c r6:b6e39000 r5:c612ef00 r4:c0c54f14 XEC_VMALLOC: missing 'call a 75.025244] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ce:': [FAIL] not o3[3 s e5.035842] r9:c07e0568 r8:c2e53f60 r7:c2815800 r6:b6e39000 r5:c612ef00 r4:00000000 lftests: lkdtm: EX_[V M A L75.046011] [] (vfs_write) from [] (ksys_write+0x74/0xec) OC.sh # exit=1 #< 0s>e[l f t e7s.055574] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c2e52000 r5:c612ef00 ts: lkdt [E X E C7_5R.O0D6A5739] r4:c612ef00 A.sh <0>[ 75.070274] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.078188] r9:c2e52000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:0000000c r4:0000000c <0>[ 75.086203] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.094038] Exception stack(0xc2e53fa8 to 0xc2e53ff0) <0>[ 75.099358] 3fa0: 0000000c 0000000c 00000001 b6e39000 0000000c 00000000 <0>[ 75.107804] 3fc0: 0000000c 0000000c b6f80e00 00000004 00000001 00000000 00020000 be83fac4 <0>[ 75.116247] 3fe0: 00000004 be83f7f8 b6eead8f b6e717e6 <0>[ 75.121569] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 75.127934] ---[ end trace cbde38cd7c289971 ]--- # Segmentation fault # [ 74.607302] lkdtm: Performing direct entry EXEC_RODATA # [ 74.613393] lkdtm: attempting ok execution at c0c558a4 # [ 74.620948] lkdtm: attempting bad execution at c15ebf64 # [ 74.629286] 8<--- cut here --- # [ 74.635403] Unable to handle kernel paging request at virtual address c15ebf64 # [ 74.644798] pgd = 945bb42e # [ 74.649846] [c15ebf64] *pgd=1141941e(bad) # [ 74.656640] Internal error: Oops: 8000000d [#7] SMP ARM # [ 74.664376] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 74.696341] CPU: 2 PID: 1980 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 74.706681] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.715388] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 74.723381] LR is at execute_location+0xa4/0xb4 # [ 74.730335] pc : [] lr : [] psr: 600e0013 # [ 74.738768] sp : c2e53e38 ip : c2e53d40 fp : c2e53e54 # [ 74.745989] r10: 0000000c r9 : c1ad46d4 r8 : c15ebcc8 # [ 74.753296] r7 : c2e53f60 r6 : 00000000 r5 : c15ebf64 r4 : c0c558a4 # [ 74.761989] r3 : a08fbe5b r2 : a08fbe5b r1 : ef7ab5e0 r0 : 0000002b # [ 74.770514] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.779901] Control: 10c5387d Table: 1677004a DAC: 00000051 # [ 74.787816] Process cat (pid: 1980, stack limit = 0x02e2018a) # [ 74.795730] Stack: (0xc2e53e38 to 0xc2e54000) # [ 74.802170] 3e20: 00000023 c445e000 # [ 74.812517] 3e40: 0000000c c2e53f60 c2e53e64 c2e53e58 c13bd4c0 c13bd240 c2e53e74 c2e53e68 # [ 74.823121] 3e60: c0c54b34 c13bd4a8 c2e53e9c c2e53e78 c0c55034 c0c54b14 c0c54f14 c612ef00 # [ 74.833553] 3e80: b6e39000 0000000c c5330780 c2e53f60 c2e53ec4 c2e53ea0 c07e05cc c0c54f20 # [ 74.843984] 3ea0: 00000000 c612ef00 b6e39000 c2815800 c2e53f60 c07e0568 c2e53f5c c2e53ec8 # [ 74.854504] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c2e52000 # [ 74.865106] 3ee0: b6e39000 00020000 00000004 0000000c 0001fff4 c2e53ee0 00000001 b6e38000 # [ 74.875452] 3f00: c6275400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.885798] 3f20: 00000000 00000000 c13d27c8 a08fbe5b c205ef60 c612ef00 c612ef00 c2e52000 # [ 74.896316] 3f40: b6e39000 00000000 00000000 00000004 c2e53f94 c2e53f60 c059b1c4 c059ab18 # [ 74.906835] 3f60: 00000000 00000000 c2e53fac a08fbe5b 0000000c 0000000c b6f80e00 00000004 # [ 74.917354] 3f80: c03002e4 c2e52000 c2e53fa4 c2e53f98 c059b254 c059b15c 00000000 c2e53fa8 # [ 74.927957] 3fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e39000 0000000c 00000000 # [ 74.938476] 3fc0: 0000000c 0000000c b6f80e00 00000004 00000001 00000000 00020000 be83fac4 # [ 74.948994] 3fe0: 00000004 be83f7f8 b6eead8f b6e717e6 800e0030 00000001 00000000 00000000 # [ 74.959505] Backtrace: # [ 74.964215] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 74.975079] r7:c2e53f60 r6:0000000c r5:c445e000 r4:00000023 # [ 74.983081] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.993861] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.004382] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.015068] r9:c2e53f60 r8:c5330780 r7:0000000c r6:b6e39000 r5:c612ef00 r4:c0c54f14 # [ 75.025244] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.035842] r9:c07e0568 r8:c2e53f60 r7:c2815800 r6:b6e39000 r5:c612ef00 r4:00000000 # [ 75.046011] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.055574] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c2e52000 r5:c612ef00 # [ 75.065739] r4:c612ef00 # [ 75.070274] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.078188] r9:c2e52000 r8:c03002e4 r7:00000004 r6:b<6>[ 75.595555] lkdtm: Performing direct entry EXEC_USERSPACE 6f80e00 r5:0000000c r4:0000000c <6>[ 75.602030] lkdtm: attempting ok execution at c0c558a4 # [ 75.086203] [] (sy<6>[ 75.610644] lkdtm: attempting bad execution at b6f56000 s_write) from [] (ret_f<1>[ 75.618711] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f56000 ast_syscall+0x0/0x28) # [ 75.0<0>[ 75.628839] Internal error: : b [#8] SMP ARM 94038] Exception stack(0xc2e53fa8<4>[ 75.636227] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 to 0xc2e53ff0) # [ 75.099358]<4>[ 75.668207] CPU: 2 PID: 2056 Comm: cat Tainted: G D W 5.10.182-cip35 #1 3fa0: < 4 > [ 0 075.679071] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000c 0000000c 00000001 b6e390<0>[ 75.688130] PC is at 0xb6f56000 0 0000000c 00000000 # [ 75.1074>[ 75.694234] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 804] 3fc0: 0000<040>0[c 0 07050702146] pc : [] lr : [] psr: 600e0013 000c b6f80e00<4 >0[0 0 0 07050.4710674] sp : c4201e48 ip : c4201d50 fp : c4201e64 00000001 0000000<04 >0[0 0 2 7050718078] r10: 0000000f r9 : c1ad46e0 r8 : c15ebcc8 00 be83fac4 # [ 75.<141>6[2 4 75.725570] r7 : c4201f60 r6 : 0000000f r5 : c445e000 r4 : b6f56000 ] 3fe0: 00000004 8[3 f 7 f78.734702] r3 : 410c038b r2 : 410c038b r1 : ef7ab5e0 r0 : 0000002b b6eead8f b6e717e6 # [< 4 > [7 5 75.743582] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .121569] Code: 5f727<546>3[ 6 e 75.753325] Control: 10c5387d Table: 1668804a DAC: 00000051 56f63 00000074 aa55aa55< 0(>e[1 a 75.761594] Process cat (pid: 2056, stack limit = 0xf4ac62d8) 0c00d) # [ 75.127<90>3[4 ] 75.769950] Stack: (0xc4201e48 to 0xc4202000) --[ end trace cbde38cd7c289971 ]<0>[ 75.776839] 1e40: 00000001 00000000 0000000f 00000024 c4201e74 c4201e68 -- # EXEC_RODATA: missing 'call<0>[ 75.788059] 1e60: c0c54b34 c0c55940 c4201e9c c4201e78 c0c55034 c0c54b14 c0c54f14 c6351e00 trace:': [FAIL] not ok 34 selft<0>[ 75.799279] 1e80: b6e10000 0000000f c5330780 c4201f60 c4201ec4 c4201ea0 c07e05cc c0c54f20 sts: lkdtm: EXEC_RODATA.sh # exi<0>[ 75.810498] 1ea0: 00000000 c6351e00 b6e10000 c2815800 c4201f60 c07e0568 c4201f5c c4201ec8 =1 # selftests: lkdtm: EXEC_US[ 75.821720] 1ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c4200000 RSPACE.sh <0>[ 75.832850] 1ee0: b6e10000 00020000 00000004 0000000f 0001fff1 c4201ee0 00000001 b6e0f000 <0>[ 75.842246] 1f00: c2fc72c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.850715] 1f20: 00000000 00000000 c13d27c8 410c038b c205ef60 c6351e00 c6351e00 c4200000 <0>[ 75.859184] 1f40: b6e10000 00000000 00000000 00000004 c4201f94 c4201f60 c059b1c4 c059ab18 <0>[ 75.867651] 1f60: 00000000 00000000 c4201fac 410c038b 0000000f 0000000f b6f57e00 00000004 <0>[ 75.876120] 1f80: c03002e4 c4200000 c4201fa4 c4201f98 c059b254 c059b15c 00000000 c4201fa8 <0>[ 75.884587] 1fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6e10000 0000000f 00000000 <0>[ 75.893057] 1fc0: 0000000f 0000000f b6f57e00 00000004 00000001 00000000 00020000 bec56ac4 <0>[ 75.901526] 1fe0: 00000004 bec567f8 b6ec1d8f b6e487e6 800e0030 00000001 00000000 00000000 <0>[ 75.909982] Backtrace: <0>[ 75.912743] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.921553] r4:00000024 <0>[ 75.924383] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.932696] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.940908] r9:c4201f60 r8:c5330780 r7:0000000f r6:b6e10000 r5:c6351e00 r4:c0c54f14 <0>[ 75.948955] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.957080] r9:c07e0568 r8:c4201f60 r7:c2815800 r6:b6e10000 r5:c6351e00 r4:00000000 <0>[ 75.965119] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.972545] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c4200000 r5:c6351e00 <0>[ 75.980656] r4:c6351e00 <0>[ 75.983485] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.990913] r9:c4200000 r8:c03002e4 r7:00000004 r6:b6f57e00 r5:0000000f r4:0000000f <0>[ 75.998955] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.006808] Exception stack(0xc4201fa8 to 0xc4201ff0) <0>[ 76.012150] 1fa0: 0000000f 0000000f 00000001 b6e10000 0000000f 00000000 <0>[ 76.020619] 1fc0: 0000000f 0000000f b6f57e00 00000004 00000001 00000000 00020000 bec56ac4 <0>[ 76.029081] 1fe0: 00000004 bec567f8 b6ec1d8f b6e487e6 <0>[ 76.034428] Code: bad PC value <4>[ 76.037780] ---[ end trace cbde38cd7c289972 ]--- # Segmentation fault # [ 75.595555] lkdtm: Performing direct entry EXEC_USERSPACE # [ 75.602030] lkdtm: attempting ok execution at c0c558a4 # [ 75.610644] lkdtm: attempting bad execution at b6f56000 # [ 75.618711] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f56000 # [ 75.628839] Internal error: : b [#8] SMP ARM # [ 75.636227] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 75.668207] CPU: 2 PID: 2056 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 75.679071] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.688130] PC is at 0xb6f56000 # [ 75.694234] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 75.702146] pc : [] lr : [] psr: 600e0013 # [ 75.710674] sp : c4201e48 ip : c4201d50 fp : c4201e64 # [ 75.718078] r10: 0000000f r9 : c1ad46e0 r8 : c15ebcc8 # [ 75.725570] r7 : c4201f60 r6 : 0000000f r5 : c445e000 r4 : b6f56000 # [ 75.734702] r3 : 410c038b r2 : 410c038b r1 : ef7ab5e0 r0 : 0000002b # [ 75.743582] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.753325] Control: 10c5387d Table: 1668804a DAC: 00000051 # [ 75.761594] Process cat (pid: 2056, stack limit = 0xf4ac62d8) # [ 75.769950] Stack: (0xc4201e48 to 0xc4202000) # [ 75.776839] 1e40: 00000001 00000000 0000000f 00000024 c4201e74 c4201e68 # [ 75.788059] 1e60: c0c54b34 c0c55940 c4201e9c c4201e78 c0c55034 c0c54b14 c0c54f14 c6351e00 # [ 75.799279] 1e80: b6e10000 0000000f c5330780 c4201f60 c4201ec4 c4201ea0 c07e05cc c0c54f20 # [ 75.810498] 1ea0: 00000000 c6351e00 b6e10000 c2815800 c4201f60 c07e0568 c4201f5c c4201ec8 # [ 75.821720] 1ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c4200000 # [ 75.832850] 1ee0: b6e10000 00020000 00000004 0000000f 0001fff1 c4201ee0 00000001 b6e0f000 # [ 75.842246] 1f00: c2fc72c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.850715] 1f20: 00000000 00000000 c13d27c8 410c038b c205ef60 c6351e00 c6351e00 c4200000 # [ 75.859184] 1f40: b6e10000 00000000 00000000 00000004 c4201f94 c4201f60 c059b1c4 c059ab18 # [ 75.867651] 1f60: 00000000 00000000 c4201fac 410c038b 0000000f 0000000f b6f57e00 00000004 # [ 75.876120] 1f80: c03002e4 c4200000 c4201fa4 c4201f98 c059b254 c059b15c 00000000 c4201fa8 # [ 75.884587] 1fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6e10000 0000000f 00000000 # [ 75.893057] 1fc0: 0000000f 0000000f b6f57e00 00000004 00000001 00000000 00020000 bec56ac4 # [ 75.901526] 1fe0: 00000004 bec567f8 b6ec1d8f b6e487e6 800e0030 00000001 00000000 00000000 # [ 75.909982] Backtrace: # [ 75.912743] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.921553] r4:00000024 # [ 75.924383] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.932696] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.940908] r9:c4201f60 r8:c5330780 r7:0000000f r6:b6e10000 r5:c6351e00 r4:c0c54f14 # [ 75.948955] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.957080] r9:c07e0568 r8:c4201f60 r7:c2815800 r6:b6e10000 r5:c6351e00 r4:00000000 # [ 75.965119] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.972545] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c4200000 r5:c6351e00 # [ 75.980656] r4:c6351e0<6>[ 76.492188] lkdtm: Performing direct entry EXEC_NULL 0 # [ 75.983485] [] <6>[ 76.500096] lkdtm: attempting ok execution at c0c558a4 (ksys_write) from [] (s<6>[ 76.508231] lkdtm: attempting bad execution at 00000000 ys_write+0x18/0x1c) # [ 75.990<1>[ 76.516670] 8<--- cut here --- 913] r9:c4200000 r8:c03002e4 r7:<1>[ 76.522718] Unable to handle kernel NULL pointer dereference at virtual address 00000000 00000004 r6:b6f57e00 r5:0000000f <1>[ 76.533953] pgd = 8827c198 r4:0000000f # [ 75.998955] [[ 76.539811] [00000000] *pgd=00000000 059b23c>] (sys_write) from [[ 76.546514] Internal error: Oops: 80000005 [#9] SMP ARM 00c0>] (ret_fast_syscall+0x0/0x28<4>[ 76.554802] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 ) # [ 76.006808]< 4E>x[c e p t6.586764] CPU: 2 PID: 2128 Comm: cat Tainted: G D W 5.10.182-cip35 #1 ion stack(<04x>c[4 2 0 17f6.a589 931] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) to 0xc4201ff0) # <[4 > [ 7 6 .76.605461] PC is at 0x0 12150] 1fa0: < 4 > [ 76.610424] LR is at execute_location+0xa4/0xb4 0000000f< 40>0[0 0 0 0706f. 617463] pc : [<00000000>] lr : [] psr: 600e0013 0000001 b60[0 0 0 760.06020897] sp : c6795e38 ip : c6795d40 fp : c6795e54 000f 00000<040>0[ # 7[6 . 6 33117] r10: 0000000a r9 : c1ad46f0 r8 : c15ebcc8 6.020619]< 41>f[c 0 : 7060.06040424] r7 : c6795f60 r6 : 00000000 r5 : 00000000 r4 : c0c558a4 00f 0000000b[6 f 5 776e.06048945] r3 : 08a58e09 r2 : 08a58e09 r1 : ef7ab5e0 r0 : 0000002b 00000004 000000<041> [0 0 0 07060657556] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00 00020000< 4b>e[c 5 6 a7c64. 6 6944] Control: 10c5387d Table: 166c404a DAC: 00000051 # [ 76.029081] <10f>e[0 : 070.674773] Process cat (pid: 2128, stack limit = 0xc636362e) 000004 bec5<607>f[8 b 67e6c.6182858] Stack: (0xc6795e38 to 0xc6796000) 8f b6e487e6 <#0 >[[ 7766..089297] 5e20: 00000025 c60ba000 34428] Code: bad< 0P>C[ v a l7u6.699645] 5e40: 0000000a c6795f60 c6795e64 c6795e58 c13bd4e4 c13bd240 c6795e74 c6795e68 # [ 76.037780<]0 >-[- - [ 7e.710165] 5e60: c0c54b34 c13bd4d0 c6795e9c c6795e78 c0c55034 c0c54b14 c0c54f14 c6267680 nd trace cbde38cd<70c>2[8 9 9776.720681] 5e80: b6e71000 0000000a c5330780 c6795f60 c6795ec4 c6795ea0 c07e05cc c0c54f20 ]--- # EXEC_USS[P A C E7:6.731198] 5ea0: 00000000 c6267680 b6e71000 c2815800 c6795f60 c07e0568 c6795f5c c6795ec8 missing 'call tre[: ' : 7[6.741716] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6794000 AIL] not ok 3<50 >s[e l f t7e6s.752235] 5ee0: b6e71000 00020000 00000004 0000000a 0001fff6 c6795ee0 00000001 b6e70000 s: lkdtm: EXEC_UR[S P A C7E6.762666] 5f00: c6551b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 sh # exit=1 # l[f t e s7t6s773185] 5f20: 00000000 00000000 c13d27c8 08a58e09 c205ef60 c6267680 c6267680 c6794000 : lkdtm: EXEC_NU.[s h 76.783618] 5f40: b6e71000 00000000 00000000 00000004 c6795f94 c6795f60 c059b1c4 c059ab18 <0>[ 76.794050] 5f60: 00000000 00000000 c6795fac 08a58e09 0000000a 0000000a b6fb8e00 00000004 <0>[ 76.802497] 5f80: c03002e4 c6794000 c6795fa4 c6795f98 c059b254 c059b15c 00000000 c6795fa8 <0>[ 76.810942] 5fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e71000 0000000a 00000000 <0>[ 76.819387] 5fc0: 0000000a 0000000a b6fb8e00 00000004 00000001 00000000 00020000 becc2ac4 <0>[ 76.827832] 5fe0: 00000004 becc27f8 b6f22d8f b6ea97e6 800e0030 00000001 00000000 00000000 <0>[ 76.836271] Backtrace: <0>[ 76.838995] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 76.847441] r7:c6795f60 r6:0000000a r5:c60ba000 r4:00000025 <0>[ 76.853374] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.861733] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.870013] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.878200] r9:c6795f60 r8:c5330780 r7:0000000a r6:b6e71000 r5:c6267680 r4:c0c54f14 <0>[ 76.886219] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.894320] r9:c07e0568 r8:c6795f60 r7:c2815800 r6:b6e71000 r5:c6267680 r4:00000000 <0>[ 76.902336] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.909741] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c6794000 r5:c6267680 <0>[ 76.917836] r4:c6267680 <0>[ 76.920641] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.928045] r9:c6794000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:0000000a r4:0000000a <0>[ 76.936061] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.943896] Exception stack(0xc6795fa8 to 0xc6795ff0) <0>[ 76.949217] 5fa0: 0000000a 0000000a 00000001 b6e71000 0000000a 00000000 <0>[ 76.957664] 5fc0: 0000000a 0000000a b6fb8e00 00000004 00000001 00000000 00020000 becc2ac4 <0>[ 76.966106] 5fe0: 00000004 becc27f8 b6f22d8f b6ea97e6 <0>[ 76.971431] Code: bad PC value <4>[ 76.974834] ---[ end trace cbde38cd7c289973 ]--- # Segmentation fault # [ 76.492188] lkdtm: Performing direct entry EXEC_NULL # [ 76.500096] lkdtm: attempting ok execution at c0c558a4 # [ 76.508231] lkdtm: attempting bad execution at 00000000 # [ 76.516670] 8<--- cut here --- # [ 76.522718] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 76.533953] pgd = 8827c198 # [ 76.539811] [00000000] *pgd=00000000 # [ 76.546514] Internal error: Oops: 80000005 [#9] SMP ARM # [ 76.554802] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 76.586764] CPU: 2 PID: 2128 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 76.596931] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.605461] PC is at 0x0 # [ 76.610424] LR is at execute_location+0xa4/0xb4 # [ 76.617463] pc : [<00000000>] lr : [] psr: 600e0013 # [ 76.625897] sp : c6795e38 ip : c6795d40 fp : c6795e54 # [ 76.633117] r10: 0000000a r9 : c1ad46f0 r8 : c15ebcc8 # [ 76.640424] r7 : c6795f60 r6 : 00000000 r5 : 00000000 r4 : c0c558a4 # [ 76.648945] r3 : 08a58e09 r2 : 08a58e09 r1 : ef7ab5e0 r0 : 0000002b # [ 76.657556] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.666944] Control: 10c5387d Table: 166c404a DAC: 00000051 # [ 76.674773] Process cat (pid: 2128, stack limit = 0xc636362e) # [ 76.682858] Stack: (0xc6795e38 to 0xc6796000) # [ 76.689297] 5e20: 00000025 c60ba000 # [ 76.699645] 5e40: 0000000a c6795f60 c6795e64 c6795e58 c13bd4e4 c13bd240 c6795e74 c6795e68 # [ 76.710165] 5e60: c0c54b34 c13bd4d0 c6795e9c c6795e78 c0c55034 c0c54b14 c0c54f14 c6267680 # [ 76.720681] 5e80: b6e71000 0000000a c5330780 c6795f60 c6795ec4 c6795ea0 c07e05cc c0c54f20 # [ 76.731198] 5ea0: 00000000 c6267680 b6e71000 c2815800 c6795f60 c07e0568 c6795f5c c6795ec8 # [ 76.741716] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6794000 # [ 76.752235] 5ee0: b6e71000 00020000 00000004 0000000a 0001fff6 c6795ee0 00000001 b6e70000 # [ 76.762666] 5f00: c6551b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.773185] 5f20: 00000000 00000000 c13d27c8 08a58e09 c205ef60 c6267680 c6267680 c6794000 # [ 76.783618] 5f40: b6e71000 00000000 00000000 00000004 c6795f94 c6795f60 c059b1c4 c059ab18 # [ 76.794050] 5f60: 00000000 00000000 c6795fac 08a58e09 0000000a 0000000a b6fb8e00 00000004 # [ 76.802497] 5f80: c03002e4 c6794000 c6795fa4 c6795f98 c059b254 c059b15c 00000000 c6795fa8 # [ 76.810942] 5fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e71000 0000000a 00000000 # [ 76.819387] 5fc0: 0000000a 0000000a b6fb8e00 00000004 00000001 00000000 00020000 becc2ac4 # [ 76.827832] 5fe0: 00000004 becc27f8 b6f22d8f b6ea97e6 800e0030 00000001 00000000 00000000 # [ 76.836271] Backtrace: # [ 76.838995] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 76.847441] r7:c6795f60 r6:0000000a r5:c60ba000 r4:00000025 # [ 76.853374] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.861733] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.870013] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.878200] r9:c6795f60 r8:c5330780 r7:0000000a r6:b6e71000 r5:c6267680 r4:c0c54f14 # [ 76.886219] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.894320] r9:c07e0568 r8:c6795f60 r7:c2815800 r6:b6e71000 r5:c6267680 r4:00000000 # [ 76.902336] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.909741] r10:00000004 r9:00000000 r8:00000000 r7:b<6>[ 77.448807] lkdtm: Performing direct entry ACCESS_USERSPACE 6e71000 r6:c6794000 r5:c6267680 <6>[ 77.455097] lkdtm: attempting bad read at b6f04000 # [ 76.917836] r4:c6267680 # <1>[ 77.463072] 8<--- cut here --- [ 76.920641] [0[> ] 77.469157] Unhandled fault: page domain fault (0x01b) at 0xb6f04000 (ksys_write) o[m [ <7c70.578111] pgd = 851fdab6 9b254>] (sys_write+0x<118>/[0 x 177.482986] [b6f04000] *pgd=4939e831 c) # [ 76.928045]< 0 >r[9 : c 77.489082] Internal error: : 1b [#10] SMP ARM 794000 r8:c03002e4 r7:00000004 r6<4>[ 77.496038] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 :b6fb8e00 r5:0000000a :[0 0 77.528003] CPU: 2 PID: 2204 Comm: cat Tainted: G D W 5.10.182-cip35 #1 0000a # [< 4 > [7 6 . 9773.65036340] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 1] [] (sys_wri)[ 77.546872] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c rom [] (ret_fast_s 77.554788] LR is at __irq_work_queue_local+0x40/0x74 call+0x0/0x<248>)[ # 7[7 . 5 2604] pc : [] lr : [] psr: 600e0013 76.943896]< 4>E[x c e p7t7i.o5n7 951] sp : c453be38 ip : c453bd40 fp : c453be64 stack(0xc67<945>f[a 8 t7o7 .05x8171] r10: 00000011 r9 : c1ad46fc r8 : c15ebcc8 c6795ff0) #< 4[> [ 7 67.79.4585478] r7 : c453bf60 r6 : 00000051 r5 : c453a000 r4 : b6f04000 217] 5fa0:< 4 > [ 7 7 . 5 94173] r3 : 373700e1 r2 : 373700e1 r1 : ef7ab5e0 r0 : 00000026 00000000[0 0 07070.002783] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none a 00000001 b<64e>7[1 0 0 07 70.0612084] Control: 10c5387d Table: 1606c04a DAC: 00000051 0000a 00000<000>0[ # 7[7 . 6 9998] Process cat (pid: 2204, stack limit = 0xe462e876) 76.957664] <50f>c[0 : 07070.0607826] Stack: (0xc453be38 to 0xc453c000) 00a 0000000a f[b 8 e 0707 .034266] be20: 00000022 00000000 0000004 00000001 0<000>0[0 0 0 077.644614] be40: 00000000 373700e1 c453be6c 00000026 c60ba000 00000011 c453be74 c453be68 00020000 becc2ac4 < 0#> [[ 77.655219] be60: c0c54b34 c0c55a14 c453be9c c453be78 c0c55034 c0c54b14 c0c54f14 c6351040 6.966106] 5fe0: 0<000>0[0 0 0 47 .665824] be80: b6dbe000 00000011 c5330780 c453bf60 c453bec4 c453bea0 c07e05cc c0c54f20 becc27f8 b6f22d<80f> [b 6 e a7977676339] bea0: 00000000 c6351040 b6dbe000 c2815800 c453bf60 c07e0568 c453bf5c c453bec8 e6 # [ 76.971<403>1[] C o7d7.686773] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c453a000 : bad PC value < 0#> [[ 7776697290] bee0: b6dbe000 00020000 00000004 00000011 0001ffef c453bee0 00000001 b6dbd000 .974834] ---[ e [t r a c7e7 707722] bf00: c612ef00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 cbde38cd7c289973 <]0->-[- #7 .718153] bf20: 00000000 00000000 c13d27c8 373700e1 c205ef60 c6351040 c6351040 c453a000 EXEC_NULL: missing< 0'>c[a l l 77.728673] bf40: b6dbe000 00000000 00000000 00000004 c453bf94 c453bf60 c059b1c4 c059ab18 race:': [FAIL] < 0n>o[t o k7 73739276] bf60: 00000000 00000000 c453bfac 373700e1 00000011 00000011 b6f05e00 00000004 6 selftests: lkdt [E X E C7_.749708] bf80: c03002e4 c453a000 c453bfa4 c453bf98 c059b254 c059b15c 00000000 c453bfa8 NULL.sh # exit=<10 > [# s e7l7f760224] bfa0: c03000c0 c059b248 00000011 00000011 00000001 b6dbe000 00000011 00000000 tests: lkdtm: ACS[S _ U S7E7.770657] bfc0: 00000011 00000011 b6f05e00 00000004 00000001 00000000 00020000 beaafac4 SPACE.sh <0>[ 77.781175] bfe0: 00000004 beaaf7f8 b6e6fd8f b6df67e6 800e0030 00000001 00000000 00000000 <0>[ 77.790472] Backtrace: <0>[ 77.793197] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.802163] r6:00000011 r5:c60ba000 r4:00000026 <0>[ 77.807052] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.815332] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.823518] r9:c453bf60 r8:c5330780 r7:00000011 r6:b6dbe000 r5:c6351040 r4:c0c54f14 <0>[ 77.831535] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.839634] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6dbe000 r5:c6351040 r4:00000000 <0>[ 77.847648] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.855052] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c453a000 r5:c6351040 <0>[ 77.863146] r4:c6351040 <0>[ 77.865950] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.873353] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:00000011 r4:00000011 <0>[ 77.881367] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.889202] Exception stack(0xc453bfa8 to 0xc453bff0) <0>[ 77.894524] bfa0: 00000011 00000011 00000001 b6dbe000 00000011 00000000 <0>[ 77.902972] bfc0: 00000011 00000011 b6f05e00 00000004 00000001 00000000 00020000 beaafac4 <0>[ 77.911416] bfe0: 00000004 beaaf7f8 b6e6fd8f b6df67e6 <0>[ 77.916738] Code: e1a01004 e3050620 e34c01ad eb1d7264 (e5943000) <4>[ 77.923102] ---[ end trace cbde38cd7c289974 ]--- # Segmentation fault # [ 77.448807] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 77.455097] lkdtm: attempting bad read at b6f04000 # [ 77.463072] 8<--- cut here --- # [ 77.469157] Unhandled fault: page domain fault (0x01b) at 0xb6f04000 # [ 77.478111] pgd = 851fdab6 # [ 77.482986] [b6f04000] *pgd=4939e831 # [ 77.489082] Internal error: : 1b [#10] SMP ARM # [ 77.496038] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 77.528003] CPU: 2 PID: 2204 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 77.538340] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.546872] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 77.554788] LR is at __irq_work_queue_local+0x40/0x74 # [ 77.562604] pc : [] lr : [] psr: 600e0013 # [ 77.570951] sp : c453be38 ip : c453bd40 fp : c453be64 # [ 77.578171] r10: 00000011 r9 : c1ad46fc r8 : c15ebcc8 # [ 77.585478] r7 : c453bf60 r6 : 00000051 r5 : c453a000 r4 : b6f04000 # [ 77.594173] r3 : 373700e1 r2 : 373700e1 r1 : ef7ab5e0 r0 : 00000026 # [ 77.602783] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.612084] Control: 10c5387d Table: 1606c04a DAC: 00000051 # [ 77.619998] Process cat (pid: 2204, stack limit = 0xe462e876) # [ 77.627826] Stack: (0xc453be38 to 0xc453c000) # [ 77.634266] be20: 00000022 00000000 # [ 77.644614] be40: 00000000 373700e1 c453be6c 00000026 c60ba000 00000011 c453be74 c453be68 # [ 77.655219] be60: c0c54b34 c0c55a14 c453be9c c453be78 c0c55034 c0c54b14 c0c54f14 c6351040 # [ 77.665824] be80: b6dbe000 00000011 c5330780 c453bf60 c453bec4 c453bea0 c07e05cc c0c54f20 # [ 77.676339] bea0: 00000000 c6351040 b6dbe000 c2815800 c453bf60 c07e0568 c453bf5c c453bec8 # [ 77.686773] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c453a000 # [ 77.697290] bee0: b6dbe000 00020000 00000004 00000011 0001ffef c453bee0 00000001 b6dbd000 # [ 77.707722] bf00: c612ef00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.718153] bf20: 00000000 00000000 c13d27c8 373700e1 c205ef60 c6351040 c6351040 c453a000 # [ 77.728673] bf40: b6dbe000 00000000 00000000 00000004 c453bf94 c453bf60 c059b1c4 c059ab18 # [ 77.739276] bf60: 00000000 00000000 c453bfac 373700e1 00000011 00000011 b6f05e00 00000004 # [ 77.749708] bf80: c03002e4 c453a000 c453bfa4 c453bf98 c059b254 c059b15c 00000000 c453bfa8 # [ 77.760224] bfa0: c03000c0 c059b248 00000011 00000011 00000001 b6dbe000 00000011 00000000 # [ 77.770657] bfc0: 00000011 00000011 b6f05e00 00000004 00000001 00000000 00020000 beaafac4 # [ 77.781175] bfe0: 00000004 beaaf7f8 b6e6fd8f b6df67e6 800e0030 00000001 00000000 00000000 # [ 77.790472] Backtrace: # [ 77.793197] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.802163] r6:00000011 r5:c60ba000 r4:00000026 # [ 77.807052] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.815332] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.823518] r9:c453bf60 r8:c5330780 r7:00000011 r6:b6dbe000 r5:c6351040 r4:c0c54f14 # [ 77.831535] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.839634] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6dbe000 r5:c6351040 r4:00000000 # [ 77.847648] [] <6>[ 78.370188] lkdtm: Performing direct entry ACCESS_NULL (vfs_write) from [] (ks<6>[ 78.377756] lkdtm: attempting bad read at 00000000 ys_write+0x74/0xec) # [ 77.855<1>[ 78.385631] 8<--- cut here --- 052] r10:00000004 r9:00000000 r8<1>[ 78.391930] Unable to handle kernel NULL pointer dereference at virtual address 00000000 :00000000 r7:b6dbe000 r6:c453a000<1>[ 78.403127] pgd = a9012d63 r5:c6351040 # [ 77.863146] r<1>[ 78.408907] [00000000] *pgd=00000000 4:c6351040 # [ 77.865950] <[0<[ 78.415565] Internal error: Oops: 5 [#11] SMP ARM c059b150>] (ksys_write) from [[ 78.423126] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 59b254>] (sys_write+0x<148>/[0 x 78.455092] CPU: 3 PID: 2279 Comm: cat Tainted: G D W 5.10.182-cip35 #1 c) # [ 77<.48>7[3 3 5 37]8 . 465431] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 9:c453a000 r8:c03002e4 r7<:40>0[0 78.474137] PC is at lkdtm_ACCESS_NULL+0x28/0x68 00004 r6:b6f<045>e[0 0 r758:.0481437] LR is at 0x0 000011 r4<:40>0[0 0 0 07181. 4 8#139] pc : [] lr : [<00000000>] psr: 600e0013 [ 77.881<34>6[7 ] [7<8c.04594401] sp : c6477e50 ip : 00000027 fp : c6477e64 b23c>] (syw[r i t e7)8 .f5r01708] r10: 0000000c r9 : c1ad4710 r8 : c15ebcc8 m [0[> ] (7r8e.t5_0f014] r7 : c6477f60 r6 : 0000000c r5 : c5fa9000 r4 : 00000000 ast_sysca[+ 0 x 07/80.x52187537] r3 : d7c90a3e r2 : d7c90a3e r1 : ef7c05e4 r0 : 00000026 # [ 77.88<942>0[2 ] E7x8c.526061] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ption stack(<04x>c[4 5 3 b7f8a.8535363] Control: 10c5387d Table: 15f9c04a DAC: 00000051 to 0xc453bff0)< 0 >#[ [ 7 87.543279] Process cat (pid: 2279, stack limit = 0x4ed1d14e) .894524] b0[: 7 8 . 5 5 277] Stack: (0xc6477e50 to 0xc6478000) 0000<000>1[1 0 0708.557633] 7e40: 00000027 c5fa9000 c6477e74 c6477e68 0011 00000001 b6e[0 0 0 708.568152] 7e60: c0c54b34 c13bd4f4 c6477e9c c6477e78 c0c55034 c0c54b14 c0c54f14 c6275680 000011 000000<000> [ # [7 8 . 78671] 7e80: b6e13000 0000000c c5330780 c6477f60 c6477ec4 c6477ea0 c07e05cc c0c54f20 77.902972] bfc0:< 00>[0 0 0 07081589018] 7ea0: 00000000 c6275680 b6e13000 c2815800 c6477f60 c07e0568 c6477f5c c6477ec8 1 00000011 b6f0<50e>0[0 0 07080599448] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6476000 0004 00000001< 00>0[0 0 0 07080. 09879] 7ee0: b6e13000 00020000 00000004 0000000c 0001fff4 c6477ee0 00000001 b6e12000 00020000 beaafa [ # [7 8 620225] 7f00: c612fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 77.911416] bfe0<:0 >0[0 0 0 0708.630656] 7f20: 00000000 00000000 c13d27c8 d7c90a3e c205ef60 c6275680 c6275680 c6476000 4 beaaf7f8 b6e6ff[ b 6 d7f8.641176] 7f40: b6e13000 00000000 00000000 00000004 c6477f94 c6477f60 c059b1c4 c059ab18 7e6 # [ 77.91<607>3[8 ] C7o8.651695] 7f60: 00000000 00000000 c6477fac d7c90a3e 0000000c 0000000c b6f5ae00 00000004 e: e1a01004 e30<500>6[2 0 e7384662212] 7f80: c03002e4 c6476000 c6477fa4 c6477f98 c059b254 c059b15c 00000000 c6477fa8 c01ad eb1d7264 (9[4 3 0 0708.672644] 7fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e13000 0000000c 00000000 # [ 77.9231<002>][ - - -7[8.683163] 7fc0: 0000000c 0000000c b6f5ae00 00000004 00000001 00000000 00020000 beec0ac4 end trace cbde3<80c>d[7 c 2 87989693680] 7fe0: 00000004 beec07f8 b6ec4d8f b6e4b7e6 800e0030 00000001 00000000 00000000 74 ]--- # ACCESU[S E R S7P8.704107] Backtrace: CE: missing 'call trace:'<:0 >[[F 78.708907] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) AIL] not ok< 03>7[ s e l7f8t.e719851] r5:c5fa9000 r4:00000027 ts: lkdtm: ACCESS_USS[P A C 78.725601] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) .sh # exit=1 # selftests<:0 >l[k 78.736122] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) dtm: ACCESS_NULs[h 78.746722] r9:c6477f60 r8:c5330780 r7:0000000c r6:b6e13000 r5:c6275680 r4:c0c54f14 <0>[ 78.756553] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.764652] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e13000 r5:c6275680 r4:00000000 <0>[ 78.772666] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.780070] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6476000 r5:c6275680 <0>[ 78.788163] r4:c6275680 <0>[ 78.790968] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.798372] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000c r4:0000000c <0>[ 78.806388] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.814223] Exception stack(0xc6477fa8 to 0xc6477ff0) <0>[ 78.819542] 7fa0: 0000000c 0000000c 00000001 b6e13000 0000000c 00000000 <0>[ 78.827988] 7fc0: 0000000c 0000000c b6f5ae00 00000004 00000001 00000000 00020000 beec0ac4 <0>[ 78.836431] 7fe0: 00000004 beec07f8 b6ec4d8f b6e4b7e6 <0>[ 78.841753] Code: e3050620 e34c01ad e1a01004 ebffd3e7 (e5945000) <4>[ 78.848177] ---[ end trace cbde38cd7c289975 ]--- # Segmentation fault # [ 78.370188] lkdtm: Performing direct entry ACCESS_NULL # [ 78.377756] lkdtm: attempting bad read at 00000000 # [ 78.385631] 8<--- cut here --- # [ 78.391930] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 78.403127] pgd = a9012d63 # [ 78.408907] [00000000] *pgd=00000000 # [ 78.415565] Internal error: Oops: 5 [#11] SMP ARM # [ 78.423126] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 78.455092] CPU: 3 PID: 2279 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 78.465431] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.474137] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 78.481437] LR is at 0x0 # [ 78.486139] pc : [] lr : [<00000000>] psr: 600e0013 # [ 78.494401] sp : c6477e50 ip : 00000027 fp : c6477e64 # [ 78.501708] r10: 0000000c r9 : c1ad4710 r8 : c15ebcc8 # [ 78.509014] r7 : c6477f60 r6 : 0000000c r5 : c5fa9000 r4 : 00000000 # [ 78.517537] r3 : d7c90a3e r2 : d7c90a3e r1 : ef7c05e4 r0 : 00000026 # [ 78.526061] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.535363] Control: 10c5387d Table: 15f9c04a DAC: 00000051 # [ 78.543279] Process cat (pid: 2279, stack limit = 0x4ed1d14e) # [ 78.551277] Stack: (0xc6477e50 to 0xc6478000) # [ 78.557633] 7e40: 00000027 c5fa9000 c6477e74 c6477e68 # [ 78.568152] 7e60: c0c54b34 c13bd4f4 c6477e9c c6477e78 c0c55034 c0c54b14 c0c54f14 c6275680 # [ 78.578671] 7e80: b6e13000 0000000c c5330780 c6477f60 c6477ec4 c6477ea0 c07e05cc c0c54f20 # [ 78.589018] 7ea0: 00000000 c6275680 b6e13000 c2815800 c6477f60 c07e0568 c6477f5c c6477ec8 # [ 78.599448] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6476000 # [ 78.609879] 7ee0: b6e13000 00020000 00000004 0000000c 0001fff4 c6477ee0 00000001 b6e12000 # [ 78.620225] 7f00: c612fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.630656] 7f20: 00000000 00000000 c13d27c8 d7c90a3e c205ef60 c6275680 c6275680 c6476000 # [ 78.641176] 7f40: b6e13000 00000000 00000000 00000004 c6477f94 c6477f60 c059b1c4 c059ab18 # [ 78.651695] 7f60: 00000000 00000000 c6477fac d7c90a3e 0000000c 0000000c b6f5ae00 00000004 # [ 78.662212] 7f80: c03002e4 c6476000 c6477fa4 c6477f98 c059b254 c059b15c 00000000 c6477fa8 # [ 78.672644] 7fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e13000 0000000c 00000000 # [ 78.683163] 7fc0: 0000000c 0000000c b6f5ae00 00000004 00000001 00000000 00020000 beec0ac4 # [ 78.693680] 7fe0: 00000004 beec07f8 b6ec4d8f b6e4b7e6 800e0030 00000001 00000000 00000000 # [ 78.704107] Backtrace: # [ 78.708907] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.719851] r5:c5fa9000 r4:00000027 # [ 78.725601] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.736122] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.746722] r9:c6477f60 r8:c5330780 r7:0000000c r6:b6e13000 r5:c6275680 r4:c0c54f14 # [ 78.756553] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.764652] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e13000 r5:c6275680 r4:00000000 # [ <6>[ 79.314028] lkdtm: Performing direct entry WRITE_RO 78.772666] [] (vfs_wri<6>[ 79.321520] lkdtm: attempting bad rodata write at c15ebf60 te) from [] (ksys_write<1>[ 79.330149] 8<--- cut here --- <1>[ 79.336277] Unable to handle kernel paging request at virtual address c15ebf60 <1>[ 79.343768] pgd = 189a7173 <1>[ 79.346741] [c15ebf60] *pgd=1141941e(bad) <0>[ 79.351034] Internal error: Oops: 80d [#12] SMP ARM <4>[ 79.356179] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 79.385475] CPU: 0 PID: 2353 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 79.393484] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.400287] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 79.404920] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 79.410236] pc : [] lr : [] psr: 600e0013 <4>[ 79.416769] sp : c41c7e50 ip : c41c7d58 fp : c41c7e64 <4>[ 79.422259] r10: 00000009 r9 : c1ad471c r8 : c15ebcc8 <4>[ 79.427749] r7 : c41c7f60 r6 : 00000009 r5 : c4017000 r4 : c15ebf60 <4>[ 79.434541] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ad5520 <4>[ 79.441335] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.448737] Control: 10c5387d Table: 1658804a DAC: 00000051 <0>[ 79.454748] Process cat (pid: 2353, stack limit = 0xea9195be) <0>[ 79.460761] Stack: (0xc41c7e50 to 0xc41c8000) <0>[ 79.465388] 7e40: 00000028 c4017000 c41c7e74 c41c7e68 <0>[ 79.473835] 7e60: c0c54b34 c13bd2f4 c41c7e9c c41c7e78 c0c55034 c0c54b14 c0c54f14 c612f7c0 <0>[ 79.482280] 7e80: b6e7c000 00000009 c5330780 c41c7f60 c41c7ec4 c41c7ea0 c07e05cc c0c54f20 <0>[ 79.490725] 7ea0: 00000000 c612f7c0 b6e7c000 c2815800 c41c7f60 c07e0568 c41c7f5c c41c7ec8 <0>[ 79.499172] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c41c6000 <0>[ 79.507617] 7ee0: b6e7c000 00020000 00000004 00000009 0001fff7 c41c7ee0 00000001 b6e7b000 <0>[ 79.516064] 7f00: c29cbe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.524510] 7f20: 00000000 00000000 c13d27c8 29b51827 c205ef60 c612f7c0 c612f7c0 c41c6000 <0>[ 79.532956] 7f40: b6e7c000 00000000 00000000 00000004 c41c7f94 c41c7f60 c059b1c4 c059ab18 <0>[ 79.541403] 7f60: 00000000 00000000 c41c7fac 29b51827 00000009 00000009 b6fc3e00 00000004 <0>[ 79.549849] 7f80: c03002e4 c41c6000 c41c7fa4 c41c7f98 c059b254 c059b15c 00000000 c41c7fa8 <0>[ 79.558294] 7fa0: c03000c0 c059b248 00000009 00000009 00000001 b6e7c000 00000009 00000000 <0>[ 79.566741] 7fc0: 00000009 00000009 b6fc3e00 00000004 00000001 00000000 00020000 becf0ac4 <0>[ 79.575185] 7fe0: 00000004 becf07f8 b6f2dd8f b6eb47e6 800e0030 00000001 00000000 00000000 <0>[ 79.583625] Backtrace: <0>[ 79.586352] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.594622] r5:c4017000 r4:00000028 <0>[ 79.598472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.606752] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.614940] r9:c41c7f60 r8:c5330780 r7:00000009 r6:b6e7c000 r5:c612f7c0 r4:c0c54f14 <0>[ 79.622959] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.631060] r9:c07e0568 r8:c41c7f60 r7:c2815800 r6:b6e7c000 r5:c612f7c0 r4:00000000 <0>[ 79.639072] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.646477] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c41c6000 r5:c612f7c0 <0>[ 79.654571] r4:c612f7c0 <0>[ 79.657375] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.664779] r9:c41c6000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000009 r4:00000009 <0>[ 79.672794] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.680629] Exception stack(0xc41c7fa8 to 0xc41c7ff0) <0>[ 79.685949] 7fa0: 00000009 00000009 00000001 b6e7c000 00000009 00000000 <0>[ 79.694395] 7fc0: 00000009 00000009 b6fc3e00 00000004 00000001 00000000 00020000 becf0ac4 <0>[ 79.702837] 7fe0: 00000004 becf07f8 b6f2dd8f b6eb47e6 <0>[ 79.708159] Code: e34a3bcd e3050520 e34c01ad e0233002 (e5843000) <4>[ 79.714524] ---[ end trace cbde38cd7c289976 ]--- +0x74/0xec) # [ 78.780070] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6476000 r5:c6275680 # [ 78.788163] r4:c6275680 # [ 78.790968] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.798372] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000c r4:0000000c # [ 78.806388] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.814223] Exception stack(0xc6477fa8 to 0xc6477ff0) # [ 78.819542] 7fa0: 0000000c 0000000c 00000001 b6e13000 0000000c 00000000 # [ 78.827988] 7fc0: 0000000c 0000000c b6f5ae00 00000004 00000001 00000000 00020000 beec0ac4 # [ 78.836431] 7fe0: 00000004 beec07f8 b6ec4d8f b6e4b7e6 # [ 78.841753] Code: e3050620 e34c01ad e1a01004 ebffd3e7 (e5945000) # [ 78.848177] ---[ end trace cbde38cd7c289975 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 79.314028] lkdtm: Performing direct entry WRITE_RO # [ 79.321520] lkdtm: attempting bad rodata write at c15ebf60 # [ 79.330149] 8<--- cut here --- # [ 79.336277] Unable to handle kernel paging request at virtual address c15ebf60 # [ 79.343768] pgd = 189a7173 # [ 79.346741] [c15ebf60] *pgd=1141941e(bad) # [ 79.351034] Internal error: Oops: 80d [#12] SMP ARM # [ 79.356179] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 79.385475] CPU: 0 PID: 2353 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 79.393484] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.400287] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 79.404920] LR is at __irq_work_queue_local+0x40/0x74 # [ 79.410236] pc : [] lr : [] psr: 600e0013 # [ 79.416769] sp : c41c7e50 ip : c41c7d58 fp : c41c7e64 # [ 79.422259] r10: 00000009 r9 : c1ad471c r8 : c15ebcc8 # [ 79.427749] r7 : c41c7f60 r6 : 00000009 r5 : c4017000 r4 : c15ebf60 # [ 79.434541] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ad5520 # [ 79.441335] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.448737] Control: 10c5387d Table: 1658804a DAC: 00000051 # [ 79.454748] Process cat (pid: 2353, stack limit = 0xea9195be) # [ 79.460761] Stack: (0xc41c7e50 to 0xc41c8000) # [ 79.465388] 7e40: 00000028 c4017000 c41c7e74 c41c7e68 # [ 79.473835] 7e60: c0c54b34 c13bd2f4 c41c7e9c c41c7e78 c0c55034 c0c54b14 c0c54f14 c612f7c0 # [ 79.482280] 7e80: b6e7c000 00000009 c5330780 c41c7f60 c41c7ec4 c41c7ea0 c07e05cc c0c54f20 # [ 79.490725] 7ea0: 00000000 c612f7c0 b6e7c000 c2815800 c41c7f60 c07e0568 c41c7f5c c41c7ec8 # [ 79.499172] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c41c6000 # [ 79.507617] 7ee0: b6e7c000 00020000 00000004 00000009 0001fff7 c41c7ee0 00000001 b6e7b000 # [ 79.516064] 7f00: c29cbe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.524510] 7f20: 00000000 00000000 c13d27c8 29b51827 c205ef60 c612f7c0 c612f7c0 c41c6000 # [ 79.532956] 7f40: b6e7c000 00000000 00000000 00000004 c41c7f94 c41c7f60 c059b1c4 c059ab18 # [ 79.541403] 7f60: 00000000 00000000 c41c7fac 29b51827 00000009 00000009 b6fc3e00 00000004 # [ 79.549849] 7f80: c03002e4 c41c6000 c41c7fa4 c41c7f98 c059b254 c059b15c 00000000 c41c7fa8 # [ 79.558294] 7fa0: c03000c0 c059b248 00000009 00000009 00000001 b6e7c000 00000009 00000000 # [ 79.566741] 7fc0: 00000009 00000009 b6fc3e00 00000004 00000001 00000000 00020000 becf0ac4 # [ 79.575185] 7fe0: 00000004 becf07f8 b6f2dd8f b6eb47e6 800e0030 00000001 00000000 00000000 # [ 79.583625] Backtrace: # [ 79.586352] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.594622] r5:c4017000 r4:00000028 # [ 79.598472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.606752] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.614940] r9:c41c7f60 r8:c5330780 r7:00000009 r6:b6e7c000 r5:c612f7c0 r4:c0c54f14 # [ 79.622959] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.631060] r9:c07e0568 r8:c41c7f60 r7:c2815800 r6:b6e7c000 r5:c612f7c0 r4:00000000 # [ 79.639072] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.64<6>[ 80.174291] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 6477] r10:00000004 r9:00000000 r<6>[ 80.181143] lkdtm: attempting bad ro_after_init write at c1b87c60 8:00000000 r7:b6e7c000 r6:c41c600<1>[ 80.190242] 8<--- cut here --- 0 r5:c612f7c0 <#1 >[[ 8709.196342] Unable to handle kernel paging request at virtual address c1b87c60 654571] r4:c6120[ # 8[.205823] pgd = 85c1b1f2 79.657375] [] (ksys_<1>[ 80.210879] [c1b87c60] *pgd=11a1941e(bad) write) from [] (sys_[ 80.218029] Internal error: Oops: 80d [#13] SMP ARM ite+0x18/0x1c) # [ 79.664779] <4>[ 80.225857] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 r9:c41c6000 r8:c03002e4 r7:0000<4>[ 80.257844] CPU: 1 PID: 2427 Comm: cat Tainted: G D W 5.10.182-cip35 #1 004 r6:b6fc3e00 r5:0<040>0[0 0 0 80.268623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r4:00000009 # [ 79.672794] [<<4>[ 80.277690] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 c059b23c>] (sys_write) from [[ 80.286141] LR is at __irq_work_queue_local+0x40/0x74 000c0>] (ret_fast_syscl[+ 0 80.294303] pc : [] lr : [] psr: 600e0013 0/0x28) # [ <749>.[6 8 0 68209303178] sp : c6777e50 ip : c6777d58 fp : c6777e64 ] Exception sta([0 x c 4810c310667] r10: 00000014 r9 : c1ad4728 r8 : c15ebcc8 7fa8 to 0xc41c7ff<04)> [ # 8[0.318158] r7 : c6777f60 r6 : 00000014 r5 : c65e7000 r4 : c1b87c60 79.685949] 7fa0: < 4 > [ 0.327037] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad5520 000<040>0[0 9 08000.336005] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0009 00000001 b6e7c<040>0[ 0 0 00.345408] Control: 10c5387d Table: 141c404a DAC: 00000051 00009 00000000 # [ 7<90.>6[9 4 80.353593] Process cat (pid: 2427, stack limit = 0x03ec9fa8) 395] 7fc0: 000000<009> [ 0 0 0800.361948] Stack: (0xc6777e50 to 0xc6778000) 009 b6fc3e00 00000004 0000000<10 [ 80.368665] 7e40: 00000029 c65e7000 c6777e74 c6777e68 00000000 00020000 becf0ac4 # [< >[ 80.379715] 7e60: c0c54b34 c13bd344 c6777e9c c6777e78 c0c55034 c0c54b14 c0c54f14 c6351cc0 79.702837] 7fe0: 00000004 be[ 80.390849] 7e80: b6e3c000 00000014 c5330780 c6777f60 c6777ec4 c6777ea0 c07e05cc c0c54f20 07f8 b6f2dd8f b6eb47e6 # [< 0 > 80.401985] 7ea0: 00000000 c6351cc0 b6e3c000 c2815800 c6777f60 c07e0568 c6777f5c c6777ec8 79.708159] Code: e34a3bcd e3<005>[ 80.412950] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6776000 520 e34c01ad e0233002 (e584<300>0 80.424001] 7ee0: b6e3c000 00020000 00000004 00000014 0001ffec c6777ee0 00000001 b6e3b000 0) # [ 79.714524] ---[ e[ 80.434963] 7f00: c4031b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 trace cbde38cd7c289976 ]--- <#0 [ 80.446012] 7f20: 00000000 00000000 c13d27c8 8698901f c205ef60 c6351cc0 c6351cc0 c6776000 WRITE_RO: missing 'call trac[ 80.457059] 7f40: b6e3c000 00000000 00000000 00000004 c6777f94 c6777f60 c059b1c4 c059ab18 : [FAIL] not ok 39 selftest[ 80.468108] 7f60: 00000000 00000000 c6777fac 8698901f 00000014 00000014 b6f83e00 00000004 lkdtm: WRITE_RO.sh # exit=1 < 0#>[ 80.479157] 7f80: c03002e4 c6776000 c6777fa4 c6777f98 c059b254 c059b15c 00000000 c6777fa8 selftests: lkdtm: WRITE_RO_AFT[ 80.490207] 7fa0: c03000c0 c059b248 00000014 00000014 00000001 b6e3c000 00000014 00000000 _INIT.sh <0>[ 80.501340] 7fc0: 00000014 00000014 b6f83e00 00000004 00000001 00000000 00020000 bebf7ac4 <0>[ 80.510653] 7fe0: 00000004 bebf77f8 b6eedd8f b6e747e6 800e0030 00000001 00000000 00000000 <0>[ 80.519107] Backtrace: <0>[ 80.521873] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.531123] r5:c65e7000 r4:00000029 <0>[ 80.534997] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.543307] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.551520] r9:c6777f60 r8:c5330780 r7:00000014 r6:b6e3c000 r5:c6351cc0 r4:c0c54f14 <0>[ 80.559568] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.567692] r9:c07e0568 r8:c6777f60 r7:c2815800 r6:b6e3c000 r5:c6351cc0 r4:00000000 <0>[ 80.575732] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.583160] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6776000 r5:c6351cc0 <0>[ 80.591271] r4:c6351cc0 <0>[ 80.594100] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.601527] r9:c6776000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000014 r4:00000014 <0>[ 80.609567] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.617419] Exception stack(0xc6777fa8 to 0xc6777ff0) <0>[ 80.622761] 7fa0: 00000014 00000014 00000001 b6e3c000 00000014 00000000 <0>[ 80.631230] 7fc0: 00000014 00000014 b6f83e00 00000004 00000001 00000000 00020000 bebf7ac4 <0>[ 80.639693] 7fe0: 00000004 bebf77f8 b6eedd8f b6e747e6 <0>[ 80.645038] Code: e34a3bcd e3050520 e34c01ad e0233002 (e5843000) <4>[ 80.651426] ---[ end trace cbde38cd7c289977 ]--- # Segmentation fault # [ 80.174291] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 80.181143] lkdtm: attempting bad ro_after_init write at c1b87c60 # [ 80.190242] 8<--- cut here --- # [ 80.196342] Unable to handle kernel paging request at virtual address c1b87c60 # [ 80.205823] pgd = 85c1b1f2 # [ 80.210879] [c1b87c60] *pgd=11a1941e(bad) # [ 80.218029] Internal error: Oops: 80d [#13] SMP ARM # [ 80.225857] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 80.257844] CPU: 1 PID: 2427 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 80.268623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.277690] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 80.286141] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.294303] pc : [] lr : [] psr: 600e0013 # [ 80.303178] sp : c6777e50 ip : c6777d58 fp : c6777e64 # [ 80.310667] r10: 00000014 r9 : c1ad4728 r8 : c15ebcc8 # [ 80.318158] r7 : c6777f60 r6 : 00000014 r5 : c65e7000 r4 : c1b87c60 # [ 80.327037] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad5520 # [ 80.336005] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.345408] Control: 10c5387d Table: 141c404a DAC: 00000051 # [ 80.353593] Process cat (pid: 2427, stack limit = 0x03ec9fa8) # [ 80.361948] Stack: (0xc6777e50 to 0xc6778000) # [ 80.368665] 7e40: 00000029 c65e7000 c6777e74 c6777e68 # [ 80.379715] 7e60: c0c54b34 c13bd344 c6777e9c c6777e78 c0c55034 c0c54b14 c0c54f14 c6351cc0 # [ 80.390849] 7e80: b6e3c000 00000014 c5330780 c6777f60 c6777ec4 c6777ea0 c07e05cc c0c54f20 # [ 80.401985] 7ea0: 00000000 c6351cc0 b6e3c000 c2815800 c6777f60 c07e0568 c6777f5c c6777ec8 # [ 80.412950] 7ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c6776000 # [ 80.424001] 7ee0: b6e3c000 00020000 00000004 00000014 0001ffec c6777ee0 00000001 b6e3b000 # [ 80.434963] 7f00: c4031b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.446012] 7f20: 00000000 00000000 c13d27c8 8698901f c205ef60 c6351cc0 c6351cc0 c6776000 # [ 80.457059] 7f40: b6e3c000 00000000 00000000 00000004 c6777f94 c6777f60 c059b1c4 c059ab18 # [ 80.468108] 7f60: 00000000 00000000 c6777fac 8698901f 00000014 00000014 b6f83e00 00000004 # [ 80.479157] 7f80: c03002e4 c6776000 c6777fa4 c6777f98 c059b254 c059b15c 00000000 c6777fa8 # [ 80.490207] 7fa0: c03000c0 c059b248 00000014 00000014 00000001 b6e3c000 00000014 00000000 # [ 80.501340] 7fc0: 00000014 00000014 b6f83e00 00000004 00000001 00000000 00020000 bebf7ac4 # [ 80.510653] 7fe0: 00000004 bebf77f8 b6eedd8f b6e747e6 800e0030 00000001 00000000 00000000 # [ 80.519107] Backtrace: # [ 80.521873] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.531123] r5:c65e7000 r4:00000029 # [ 80.534997] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.543307] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.551520] r9:c6777f60 r8:c5330780 r7:00000014 r6:b6e3c000 r5:c6351cc0 r4:c0c54f14 # [ 80.559568] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.567692] r9:c07e0568 r8:c6777f60 r7:c2815800 r6:b6e3c000 r5:c635<6>[ 81.074290] lkdtm: Performing direct entry WRITE_KERN 1cc0 r4:00000000 # [ 80.575732<6>[ 81.080288] lkdtm: attempting bad 7764332 byte write at c13bd210 ] [] (vfs_write) from [<1>[ 81.089431] 8<--- cut here --- ] (ksyw[r i t e8+1.095550] Unable to handle kernel paging request at virtual address c13bd210 x74/0xe [ # 8[1 . 1 0850116] pgd = b03cfe98 583160] r10:00000004 r9:<010>0[0 81.109735] [c13bd210] *pgd=1121940e(bad) 0000 r8:00000000 r<70:>b[6 e 3 c81.116441] Internal error: Oops: 80d [#14] SMP ARM 00 r6:c6776000 r5:c6351cc0 # [ <4>[ 81.123743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 80.591271] r4:c635<14c>c[0 81.155708] CPU: 3 PID: 2501 Comm: cat Tainted: G D W 5.10.182-cip35 #1 [ 80.5<944>1[0 0 ] 8[1<.c1065961] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 9b150>] (ksys_write) from< 4[><[c 81.174492] PC is at memcpy+0x50/0x330 059b254>] (sys<_4w>r[i t e8+10.x80925] LR is at 0xe92dd830 18/0x1c) # [ < 4 >8[0 . 6 08115.186234] pc : [] lr : [] psr: 200e0013 7] r9:c677<640>0[0 r 88:1c.0134755] sp : c66ffe2c ip : e1a0c00d fp : c66ffe64 002e4 r7:0<040>0[ 0 0 0841 .r260:060] r10: 0000000b r9 : c1ad473c r8 : e89da800 b6f83e00 r<54:>0[0 0 0 08011.42 09280] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 4:00000014 < 4#> [[ 8810..267889] r3 : e1a0c00d r2 : 007678cc r1 : c0c558c4 r0 : c13bd210 09567] [c[> ] (8s1y.226500] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none _write) fro[[< c 0 38010.02c5888] Control: 10c5387d Table: 1664004a DAC: 00000051 0>] (ret_fa_[s y s c8a1l.l2+3716] Process cat (pid: 2501, stack limit = 0x38beb26e) 0x0/0x28) < 0#> [[ 8810..2651542] Stack: (0xc66ffe2c to 0xc6700000) 7419] Exception [a c k (801x257985] fe20: c0c558a4 0076796c c66fff60 c15ebcc8 c13bd210 c6777fa8 to 0xc6<707>7[f f 0 )8 1.268418] fe40: c13bd210 c13bd3f4 0000002a c2f5b000 0000000b c66fff60 c66ffe74 c66ffe68 # [ 80.6227<601>][ 7 f a801:. 78935] fe60: c0c54b34 c13bd3b4 c66ffe9c c66ffe78 c0c55034 c0c54b14 c0c54f14 c6275e00 < 0 > [ 0 0 08010.289281] fe80: b6e82000 0000000b c5330780 c66fff60 c66ffec4 c66ffea0 c07e05cc c0c54f20 14 00000014 00000<000>1[ b 6 e83.299713] fea0: 00000000 c6275e00 b6e82000 c2815800 c66fff60 c07e0568 c66fff5c c66ffec8 c000 00000014 000<000>0[0 0 8#.310231] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c66fe000 [ 80.631230<]0 >7[f c 0 :8 10.320749] fee0: b6e82000 00020000 00000004 0000000b 0001fff5 c66ffee0 00000001 b6e81000 000014 0000001<40 >b[6 f 8 38e10.331180] ff00: c4030500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000004 0000000<10 >0[0 0 0 080.341614] ff20: 00000000 00000000 c13d27c8 f550321b c205ef60 c6275e00 c6275e00 c66fe000 00 00020000 beba[c 4 8#1 352131] ff40: b6e82000 00000000 00000000 00000004 c66fff94 c66fff60 c059b1c4 c059ab18 [ 80.639693] 70[: 0 0801.362564] ff60: 00000000 00000000 c66fffac f550321b 0000000b 0000000b b6fc9e00 00000004 0004 bebf77f8 b<60e>e[d d 8 f8 1b373080] ff80: c03002e4 c66fe000 c66fffa4 c66fff98 c059b254 c059b15c 00000000 c66fffa8 6e747e6 # [ 80.<604>5[0 3 8 ]81.383513] ffa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e82000 0000000b 00000000 Code: e34a3bcd 0[5 0 5 2801 394117] ffc0: 0000000b 0000000b b6fc9e00 00000004 00000001 00000000 00020000 beadeac4 e34c01ad e02330<002> [( e 5 88413404548] ffe0: 00000004 beade7f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000 000) # [ <800>.[6 5 1 48216.]14973] Backtrace: ---[ end trace cbde38cd7c2899<70>[ 81.419604] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) ]--- # WRITE_RA[F T E R8_1.430722] r7:c66fff60 r6:0000000b r5:c2f5b000 r4:0000002a NIT: missing 'call a[c e : '1.438725] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : [FAIL] not ok 40 selftes: 81.449161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) lkdtm: WRITE_RO_T[E R _ I8N.459848] r9:c66fff60 r8:c5330780 r7:0000000b r6:b6e82000 r5:c6275e00 r4:c0c54f14 IT.sh # exit=1 # selftt[s : 81.469937] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) lkdtm: WRITE_R[N . s h8 1 .480363] r9:c07e0568 r8:c66fff60 r7:c2815800 r6:b6e82000 r5:c6275e00 r4:00000000 <0>[ 81.490362] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.497766] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c66fe000 r5:c6275e00 <0>[ 81.505859] r4:c6275e00 <0>[ 81.508664] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.516068] r9:c66fe000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:0000000b r4:0000000b <0>[ 81.524084] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.531917] Exception stack(0xc66fffa8 to 0xc66ffff0) <0>[ 81.537237] ffa0: 0000000b 0000000b 00000001 b6e82000 0000000b 00000000 <0>[ 81.545683] ffc0: 0000000b 0000000b b6fc9e00 00000004 00000001 00000000 00020000 beadeac4 <0>[ 81.554126] ffe0: 00000004 beade7f8 b6f33d8f b6eba7e6 <0>[ 81.559447] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 81.565811] ---[ end trace cbde38cd7c289978 ]--- # Segmentation fault # [ 81.074290] lkdtm: Performing direct entry WRITE_KERN # [ 81.080288] lkdtm: attempting bad 7764332 byte write at c13bd210 # [ 81.089431] 8<--- cut here --- # [ 81.095550] Unable to handle kernel paging request at virtual address c13bd210 # [ 81.105116] pgd = b03cfe98 # [ 81.109735] [c13bd210] *pgd=1121940e(bad) # [ 81.116441] Internal error: Oops: 80d [#14] SMP ARM # [ 81.123743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 81.155708] CPU: 3 PID: 2501 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 81.165961] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.174492] PC is at memcpy+0x50/0x330 # [ 81.180925] LR is at 0xe92dd830 # [ 81.186234] pc : [] lr : [] psr: 200e0013 # [ 81.194755] sp : c66ffe2c ip : e1a0c00d fp : c66ffe64 # [ 81.202060] r10: 0000000b r9 : c1ad473c r8 : e89da800 # [ 81.209280] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 81.217889] r3 : e1a0c00d r2 : 007678cc r1 : c0c558c4 r0 : c13bd210 # [ 81.226500] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.235888] Control: 10c5387d Table: 1664004a DAC: 00000051 # [ 81.243716] Process cat (pid: 2501, stack limit = 0x38beb26e) # [ 81.251542] Stack: (0xc66ffe2c to 0xc6700000) # [ 81.257985] fe20: c0c558a4 0076796c c66fff60 c15ebcc8 c13bd210 # [ 81.268418] fe40: c13bd210 c13bd3f4 0000002a c2f5b000 0000000b c66fff60 c66ffe74 c66ffe68 # [ 81.278935] fe60: c0c54b34 c13bd3b4 c66ffe9c c66ffe78 c0c55034 c0c54b14 c0c54f14 c6275e00 # [ 81.289281] fe80: b6e82000 0000000b c5330780 c66fff60 c66ffec4 c66ffea0 c07e05cc c0c54f20 # [ 81.299713] fea0: 00000000 c6275e00 b6e82000 c2815800 c66fff60 c07e0568 c66fff5c c66ffec8 # [ 81.310231] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c13d27c8 c059b1c4 c66fe000 # [ 81.320749] fee0: b6e82000 00020000 00000004 0000000b 0001fff5 c66ffee0 00000001 b6e81000 # [ 81.331180] ff00: c4030500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.341614] ff20: 00000000 00000000 c13d27c8 f550321b c205ef60 c6275e00 c6275e00 c66fe000 # [ 81.352131] ff40: b6e82000 00000000 00000000 00000004 c66fff94 c66fff60 c059b1c4 c059ab18 # [ 81.362564] ff60: 00000000 00000000 c66fffac f550321b 0000000b 0000000b b6fc9e00 00000004 # [ 81.373080] ff80: c03002e4 c66fe000 c66fffa4 c66fff98 c059b254 c059b15c 00000000 c66fffa8 # [ 81.383513] ffa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e82000 0000000b 00000000 # [ 81.394117] ffc0: 0000000b 0000000b b6fc9e00 00000004 00000001 00000000 00020000 beadeac4 # [ 81.404548] ffe0: 00000004 beade7f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000 # [ 81.414973] Backtrace: # [ 81.419604] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.430722] r7:c66fff60 r6:0000000b r5:c2f5b000 r4:0000002a # [ 81.438725] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.449161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.459848] r9:c66fff60 r8:c5330780 r7:0000000b r6:b6e82000 r5:c6275e00 r4:c0c54f14 # [ 81.469937] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.480363] r9:c07e0568 r8:c66fff60 r7:c2815800 r6:b6e82000 r5:c6275e00 r4:00000000 # [ 81.490362] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.497766] r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c66fe000 r5:c6275e00 # <6>[ 82.021445] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 81.505859] r4:c6275e00 # [ <6>[ 82.029983] lkdtm: attempting good refcount_inc() without overflow 81.508664] [] (ksys_w<6>[ 82.039189] lkdtm: attempting bad refcount_inc() overflow rite) from [] (sys_writ<4>[ 82.047755] ------------[ cut here ]------------ e+0x18/0x1c) # [ 81.516068] r<4>[ 82.055416] WARNING: CPU: 1 PID: 2576 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 9:c66fe000 r8:c03002e4 r7:0000000<4>[ 82.066980] refcount_t: saturated; leaking memory. 4 r6:b6fc9e00 r5:0000000b r4:0000<4>[ 82.074865] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 000b # [ 81.524084] [[ 82.106879] CPU: 1 PID: 2576 Comm: cat Tainted: G D W 5.10.182-cip35 #1 >] (sys_writ [f r o 8m2 .[1<7691] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c03000c0>] (ret_fass[y s c a2.126299] Backtrace: ll+0x0/0x28) # [ 81.531917] Ex<4>[ 82.131193] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ception stack(06[6 f f f8a28141870] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 to 0xc66ffff0) # [ 81<.45>3[7 82.149791] [] (show_stack) from [] (dump_stack+0xe0/0x100) 237] ffa0: < 4 > [ 82.159789] [] (dump_stack) from [] (__warn+0x98/0x14c) 000000b 00000000[0 0 0 08020169520] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 1 b6e82000 0000000b 00<40>0[0 0 082.179521] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0 # [ 81.54<546>8[3 ] f8f2c.189515] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c5f9e000 : 0000000b 0000000b f[c 9 e 82.197434] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 0 00000004 0000<040>0[1 0 08020208904] r9:c1ad4748 r8:c15ebcc8 r7:c5f9ff60 r6:00000016 r5:c41bd000 r4:c5f9e000 0000 00020000 beadeac<44 > [# [82.218906] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) 81.554126] ffe0: 00<040>0[0 0 82.231075] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) beade7f8 b6f33d<84f> [b 6 e b8a2.243760] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) e6 # [ <841>.[5 5 9 48427.]2 55229] r4:0000002b ode: f5d1f05c f5d<14f>0[7 c e88.259850] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) b151f8 e2522020 (e8a051f8<)4 > [ 82.270201] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.565811] -<-4->[[ e n d82.280800] r9:c5f9ff60 r8:c5330780 r7:00000016 r6:b6dea000 r5:c6351e00 r4:c0c54f14 trace cbde38cd7c289978 ]<-4->-[ 82.290975] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # WRITE_KERN: ms[i n g 8'2c301488] r9:c07e0568 r8:c5f9ff60 r7:c2815800 r6:b6dea000 r5:c6351e00 r4:00000000 all trace:': [FAIL]< 4 >n[o t o2.311488] [] (vfs_write) from [] (ksys_write+0x74/0xec) k 41 selftests<:4 >l[k d t m8:2 .321051] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5f9e000 r5:c6351e00 RITE_KERN<.4s>h[ # e8x2i.t3=31129] r4:c6351e00 # selftests: lkm[: R E8F.335663] [] (ksys_write) from [] (sys_write+0x18/0x1c) COUNT_INC_OVERFW[. s h 8 2.345139] r9:c5f9e000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000016 r4:00000016 <4>[ 82.355140] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 82.362974] Exception stack(0xc5f9ffa8 to 0xc5f9fff0) <4>[ 82.368295] ffa0: 00000016 00000016 00000001 b6dea000 00000016 00000000 <4>[ 82.376742] ffc0: 00000016 00000016 b6f31e00 00000004 00000001 00000000 00020000 bea7dac4 <4>[ 82.385185] ffe0: 00000004 bea7d7f8 b6e9bd8f b6e227e6 <4>[ 82.390578] irq event stamp: 0 <4>[ 82.393939] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 82.399831] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 82.407618] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 82.415376] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 82.421249] ---[ end trace cbde38cd7c289979 ]--- <6>[ 82.426165] lkdtm: Overflow detected: saturated # [ 82.021445] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 82.029983] lkdtm: attempting good refcount_inc() without overflow # [ 82.039189] lkdtm: attempting bad refcount_inc() overflow # [ 82.047755] ------------[ cut here ]------------ # [ 82.055416] WARNING: CPU: 1 PID: 2576 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 82.066980] refcount_t: saturated; leaking memory. # [ 82.074865] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 82.106879] CPU: 1 PID: 2576 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 82.117691] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.126299] Backtrace: # [ 82.131193] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.141870] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 82.149791] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.159789] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.169520] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 # [ 82.179521] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.189515] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c5f9e000 # [ 82.197434] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 82.208904] r9:c1ad4748 r8:c15ebcc8 r7:c5f9ff60 r6:00000016 r5:c41bd000 r4:c5f9e000 # [ 82.218906] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 82.231075] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 82.243760] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.255229] r4:0000002b # [ 82.259850] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.270201] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.280800] r9:c5f9ff60 r8:c5330780 r7:00000016 r6:b6dea000 r5:c6351e00 r4:c0c54f14 # [ 82.290975] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.301488] r9:c07e0568 r8:c5f9ff60 r7:c2815800 r6:b6dea000 r5:c6351e00 r4:00000000 # [ 82.311488] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.321051] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5f9e000 r5:c6351e00 # [ 82.331129] r4:c6351e00 # [ 82.335663] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.345139] r9:c5f9e000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000016 r4:00000016 # [ 82.355140] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.362974] Exception stack(0xc5f9ffa8 to 0xc5f9fff0) # [ 82.368295] ffa0: 00000016 00000016 00000001 b6dea000 00000016 00000000 # [ 82.376742] ffc0: 00000016 00000016 b6f31e00 00000004 00000001 00000000 00020000 bea7dac4 # [ 82.385185] ffe0: 00000004 bea7d7f8 b6e9bd8f b6e227e6 # [ 82.390578] irq event stamp: 0 # [ 82.393939] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 82.399831] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 82.407618] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 82.415376] softirqs last disabled at (0): [<00<6>[ 82.828864] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 000000>] 0x0 # [< 6 > [8 2 . 482.835365] lkdtm: attempting good refcount_add() without overflow 1249] ---[ end trace cbde38cd7c28<6>[ 82.843975] lkdtm: attempting bad refcount_add() overflow 9979 ]--- # [ 82.426165] lkdtm<4>[ 82.852573] ------------[ cut here ]------------ : Overflow detected: saturated #<4>[ 82.860288] WARNING: CPU: 3 PID: 2610 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 REFCOUNT_INC_OVERFLOW: missing '<4>[ 82.871769] refcount_t: saturated; leaking memory. call trace:': [FAIL] not ok 42 s<4>[ 82.879675] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 elftests: lkdtm: REFCOUNT_INC_OVE<4>[ 82.911651] CPU: 3 PID: 2610 Comm: cat Tainted: G D W 5.10.182-cip35 #1 RFLOW.sh # ex=[1 #8 2s.e22475] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) lftests: lkdtm: RC[O U N T8_.931168] Backtrace: ADD_OVERFLOW.sh <4>[ 82.935977] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 82.945269] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 82.951203] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 82.958786] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 82.966020] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 <4>[ 82.974035] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 82.981784] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c5f9e000 <4>[ 82.987718] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 82.996945] r9:c1ad4760 r8:c15ebcc8 r7:c5f9ff60 r6:00000016 r5:c2f5d000 r4:c5f9e000 <4>[ 83.004965] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 83.014891] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 83.025249] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.034646] r4:0000002c <4>[ 83.037450] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.045728] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.053914] r9:c5f9ff60 r8:c5330780 r7:00000016 r6:b6e29000 r5:c6274b40 r4:c0c54f14 <4>[ 83.061932] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.070029] r9:c07e0568 r8:c5f9ff60 r7:c2815800 r6:b6e29000 r5:c6274b40 r4:00000000 <4>[ 83.078042] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 83.085445] r10:00000004 r9:00000000 r8:00000000 r7:b6e29000 r6:c5f9e000 r5:c6274b40 <4>[ 83.093540] r4:c6274b40 <4>[ 83.096345] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 83.103749] r9:c5f9e000 r8:c03002e4 r7:00000004 r6:b6f70e00 r5:00000016 r4:00000016 <4>[ 83.111764] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 83.119600] Exception stack(0xc5f9ffa8 to 0xc5f9fff0) <4>[ 83.124921] ffa0: 00000016 00000016 00000001 b6e29000 00000016 00000000 <4>[ 83.133367] ffc0: 00000016 00000016 b6f70e00 00000004 00000001 00000000 00020000 be8c3ac4 <4>[ 83.141813] ffe0: 00000004 be8c37f8 b6edad8f b6e617e6 <4>[ 83.147202] irq event stamp: 0 <4>[ 83.150539] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 83.156415] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 83.164175] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 83.171959] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 83.177830] ---[ end trace cbde38cd7c28997a ]--- <6>[ 83.182720] lkdtm: Overflow detected: saturated # [ 82.828864] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 82.835365] lkdtm: attempting good refcount_add() without overflow # [ 82.843975] lkdtm: attempting bad refcount_add() overflow # [ 82.852573] ------------[ cut here ]------------ # [ 82.860288] WARNING: CPU: 3 PID: 2610 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 82.871769] refcount_t: saturated; leaking memory. # [ 82.879675] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 82.911651] CPU: 3 PID: 2610 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 82.922475] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.931168] Backtrace: # [ 82.935977] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.945269] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 82.951203] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.958786] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.966020] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 # [ 82.974035] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.981784] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c5f9e000 # [ 82.987718] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 82.996945] r9:c1ad4760 r8:c15ebcc8 r7:c5f9ff60 r6:00000016 r5:c2f5d000 r4:c5f9e000 # [ 83.004965] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 83.014891] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 83.025249] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.034646] r4:0000002c # [ 83.037450] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.045728] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.053914] r9:c5f9ff60 r8:c5330780 r7:00000016 r6:b6e29000 r5:c6274b40 r4:c0c54f14 # [ 83.061932] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.070029] r9:c07e0568 r8:c5f9ff60 r7:c2815800 r6:b6e29000 r5:c6274b40 r4:00000000 # [ 83.078042] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.085445] r10:00000004 r9:00000000 r8:00000000 r7:b6e29000 r6:c5f9e000 r5:c6274b40 # [ 83.093540] r4:c6274b40 # [ 83.096345] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.103749] r9:c5f9e000 r8:c03002e4 r7:00000004 r6:b6f70e00 r5:00000016 r4:00000016 # [ 83.111764] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.119600] Exception stack(0xc5f9ffa8 to 0xc5f9fff0) # [ 83.124921] ffa0: 00000016 00000016 00000001 b6e29000 00000016 00000000 # [ 83.133367] ffc0: 00000016 00000016 b6f70e00 00000004 00000001 00000000 00020000 be8c3ac4 # [ 83.141813] ffe0: 00000004 be8c37f8 b6edad8f b6e617e6 # [ 83.147202] irq event stamp: 0 # [ 83.150539] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.156415] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 83.164175] soft<6>[ 83.581156] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW irqs last enabled at (0): [[ 83.590273] lkdtm: attempting bad refcount_inc_not_zero() overflow 3d90>] copy_process+0x5f8/0x1944 <4>[ 83.599669] ------------[ cut here ]------------ # [ 83.171959] softirqs last d<4>[ 83.607606] WARNING: CPU: 0 PID: 2644 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 isabled at (0): [<00000000>] 0x0 <4>[ 83.619063] refcount_t: saturated; leaking memory. # [ 83.177830] ---[ end trace <4>[ 83.626994] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 cbde38cd7c28997a ]--- # [ 83.1<4>[ 83.658983] CPU: 0 PID: 2644 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 83.669805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.676598] Backtrace: <4>[ 83.679334] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.687175] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 83.693108] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 83.700693] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 83.707925] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 <4>[ 83.715939] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 83.723691] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c60a6000 <4>[ 83.729625] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 83.738852] r9:c1ad4778 r8:c15ebcc8 r7:c60a7f60 r6:0000001f r5:c404a000 r4:7fffffff <4>[ 83.746870] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 83.757578] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 83.769492] r5:c404a000 r4:c60a6000 <4>[ 83.773341] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.783518] r4:0000002d <4>[ 83.786325] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.794605] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.802793] r9:c60a7f60 r8:c5330780 r7:0000001f r6:b6e8c000 r5:c6137180 r4:c0c54f14 <4>[ 83.810811] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.818911] r9:c07e0568 r8:c60a7f60 r7:c2815800 r6:b6e8c000 r5:c6137180 r4:00000000 <4>[ 83.826924] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 83.834328] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c60a6000 r5:c6137180 <4>[ 83.842422] r4:c6137180 <4>[ 83.845228] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 83.852631] r9:c60a6000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:0000001f r4:0000001f <4>[ 83.860648] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 83.868482] Exception stack(0xc60a7fa8 to 0xc60a7ff0) <4>[ 83.873805] 7fa0: 0000001f 0000001f 00000001 b6e8c000 0000001f 00000000 <4>[ 83.882251] 7fc0: 0000001f 0000001f b6fd3e00 00000004 00000001 00000000 00020000 bea07ac4 <4>[ 83.890695] 7fe0: 00000004 bea077f8 b6f3dd8f b6ec47e6 82720] lkdtm: Overflow detected: <4>[ 83.896071] irq event stamp: 0 saturated # REFCOUNT_ADD_OVERFLO<4>[ 83.902257] hardirqs last enabled at (0): [<00000000>] 0x0 W: missing 'call trace:': [FAIL] <4>[ 83.910969] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 not ok 43 selftests: lkdtm: REFC<4>[ 83.921589] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 OUNT_ADD_OVERFLOW.sh # exit=1 # <4>[ 83.932207] softirqs last disabled at (0): [<00000000>] 0x0 selftests: lkdtm: REFCOUNT_INC_NO<4>[ 83.940917] ---[ end trace cbde38cd7c28997b ]--- T_ZERO_OVERFLOW.sh <6>[ 83.948666] lkdtm: Overflow detected: saturated # [ 83.581156] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 83.590273] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 83.599669] ------------[ cut here ]------------ # [ 83.607606] WARNING: CPU: 0 PID: 2644 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 83.619063] refcount_t: saturated; leaking memory. # [ 83.626994] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 83.658983] CPU: 0 PID: 2644 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 83.669805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.676598] Backtrace: # [ 83.679334] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.687175] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 83.693108] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.700693] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.707925] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 # [ 83.715939] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.723691] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c60a6000 # [ 83.729625] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 83.738852] r9:c1ad4778 r8:c15ebcc8 r7:c60a7f60 r6:0000001f r5:c404a000 r4:7fffffff # [ 83.746870] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 83.757578] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 83.769492] r5:c404a000 r4:c60a6000 # [ 83.773341] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.783518] r4:0000002d # [ 83.786325] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.794605] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.802793] r9:c60a7f60 r8:c5330780 r7:0000001f r6:b6e8c000 r5:c6137180 r4:c0c54f14 # [ 83.810811] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.818911] r9:c07e0568 r8:c60a7f60 r7:c2815800 r6:b6e8c000 r5:c6137180 r4:00000000 # [ 83.826924] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.834328] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c60a6000 r5:c6137180 # [ 83.842422] r4:c6137180 # [ 83.845228] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.852631] r9:c60a6000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:0000001f r4:0000001f # [ 83.860648] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.868482] Exception stack(0xc60a7fa8 to 0xc60a7ff0) # [ 83.873805] 7fa0: 0000001f 0000001f 00000001 b6e8c000 0000001f 00000000 # [ 83.882251] 7fc0: 0000001f 0000001f b6fd3e00 00000004 00000001 00000000 00020000 bea07ac4 # [ 83.890695] 7fe0: 00000004 bea077f8 b6f3dd8f b6ec47e6 # [ 83.896071] irq event stamp: 0 # [ 83.902257] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.910969] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 83.921589] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 83.932207] softirqs last disabled at (0): [<00000000>] 0x0 # [ 83.940917] ---[ end trace cbde38cd7c28997b ]--- # [ 83.948666] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO<6>[ 84.378171] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW _OVERFLOW: missing 'call trace:':<6>[ 84.386022] lkdtm: attempting bad refcount_add_not_zero() overflow [FAIL] not ok 44 selftests: lkd<4>[ 84.395359] ------------[ cut here ]------------ tm: REFCOUNT_INC_NOT_ZERO_OVERFLO<4>[ 84.403213] WARNING: CPU: 3 PID: 2678 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 W.sh # exit=1 # selftests: lkdtm<4>[ 84.414715] refcount_t: saturated; leaking memory. : REFCOUNT_ADD_NOT_ZERO_OVERFLOW.<4>[ 84.422551] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 sh <4>[ 84.454518] CPU: 3 PID: 2678 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 84.462827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.469621] Backtrace: <4>[ 84.472357] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.480199] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 84.486131] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.493718] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.500951] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 <4>[ 84.508967] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.516717] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c6476000 <4>[ 84.522649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 84.531875] r9:c1ad4798 r8:c15ebcc8 r7:c6477f60 r6:0000001f r5:c2f5b000 r4:7fffffff <4>[ 84.539892] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 84.550598] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 84.562512] r5:c2f5b000 r4:c6476000 <4>[ 84.566361] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.576538] r4:0000002e <4>[ 84.579344] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.587621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.595808] r9:c6477f60 r8:c5330780 r7:0000001f r6:b6e13000 r5:c6550dc0 r4:c0c54f14 <4>[ 84.603825] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.611924] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e13000 r5:c6550dc0 r4:00000000 <4>[ 84.619935] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.627339] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6476000 r5:c6550dc0 <4>[ 84.635432] r4:c6550dc0 <4>[ 84.638237] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.645640] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000001f r4:0000001f <4>[ 84.653655] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.661490] Exception stack(0xc6477fa8 to 0xc6477ff0) <4>[ 84.666811] 7fa0: 0000001f 0000001f 00000001 b6e13000 0000001f 00000000 <4>[ 84.675259] 7fc0: 0000001f 0000001f b6f5ae00 00000004 00000001 00000000 00020000 bee6cac4 <4>[ 84.683701] 7fe0: 00000004 bee6c7f8 b6ec4d8f b6e4b7e6 <4>[ 84.689071] irq event stamp: 0 <4>[ 84.692406] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.698279] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 84.706075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 84.713840] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 84.719744] ---[ end trace cbde38cd7c28997c ]--- <6>[ 84.724641] lkdtm: Overflow detected: saturated # [ 84.378171] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 84.386022] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 84.395359] ------------[ cut here ]------------ # [ 84.403213] WARNING: CPU: 3 PID: 2678 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 84.414715] refcount_t: saturated; leaking memory. # [ 84.422551] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 84.454518] CPU: 3 PID: 2678 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 84.462827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.469621] Backtrace: # [ 84.472357] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.480199] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 84.486131] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.493718] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.500951] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 # [ 84.508967] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.516717] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c6476000 # [ 84.522649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 84.531875] r9:c1ad4798 r8:c15ebcc8 r7:c6477f60 r6:0000001f r5:c2f5b000 r4:7fffffff # [ 84.539892] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 84.550598] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 84.562512] r5:c2f5b000 r4:c6476000 # [ 84.566361] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.576538] r4:0000002e # [ 84.579344] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.587621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.595808] r9:c6477f60 r8:c5330780 r7:0000001f r6:b6e13000 r5:c6550dc0 r4:c0c54f14 # [ 84.603825] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.611924] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e13000 r5:c6550dc0 r4:00000000 # [ 84.619935] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.627339] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6476000 r5:c6550dc0 # [ 84.635432] r4:c6550dc0 # [ 84.638237] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.645640] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000001f r4:0000001f # [ 84.653655] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.661490] Exception stack(0xc6477fa8 to 0xc6477ff0) # [ 84.666811] 7fa0: 0000001f 0000001f 00000001 b6e13000 0000001f 00000000 # [ 84.675259] 7fc0: 0000001f 0000001f b6f5ae00 00000004 00000001 00000000 00020000 bee6cac4 # [ 84.683701] 7fe0: 00000004 bee6c7f8 b6ec4d8f b6e4b7e6 # [ 84.689071] irq event stamp: 0 # [ 84.692406] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.698279] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 84.706075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 84.713<6>[ 85.131073] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 840] softirqs last disabled at (0<6>[ 85.137321] lkdtm: attempting good refcount_dec() ): [<00000000>] 0x0 # [ 84.719<6>[ 85.146197] lkdtm: attempting bad refcount_dec() to zero 744] ---[ end trace cbde38cd7c289<4>[ 85.153643] ------------[ cut here ]------------ 97c ]--- # [ 84.724641] lkdtm:<4>[ 85.161362] WARNING: CPU: 0 PID: 2712 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 Overflow detected: saturated # <4>[ 85.172932] refcount_t: decrement hit 0; leaking memory. REFCOUNT_ADD_NOT_ZERO_OVERFLOW: m<4>[ 85.181388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 issing 'call trace:': [FAIL] not<4>[ 85.213374] CPU: 0 PID: 2712 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 85.224200] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.230994] Backtrace: <4>[ 85.233729] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.241571] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 85.247503] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.255088] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.262319] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a28750 <4>[ 85.270335] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.278084] r7:0000001f r6:c1a28750 r5:c1a287b4 r4:c62ca000 <4>[ 85.284015] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 85.293241] r9:c1ad47b8 r8:c15ebcc8 r7:c62cbf60 r6:00000012 r5:c6475000 r4:c62ca000 <4>[ 85.301256] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 85.311180] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 85.321194] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.330244] r4:0000002f <4>[ 85.333049] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.341327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.349513] r9:c62cbf60 r8:c5330780 r7:00000012 r6:b6e40000 r5:c6304780 r4:c0c54f14 <4>[ 85.357530] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.365629] r9:c07e0568 r8:c62cbf60 r7:c2815800 r6:b6e40000 r5:c6304780 r4:00000000 <4>[ 85.373642] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.381048] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c62ca000 r5:c6304780 <4>[ 85.389142] r4:c6304780 <4>[ 85.391946] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.399350] r9:c62ca000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000012 r4:00000012 <4>[ 85.407364] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.415199] Exception stack(0xc62cbfa8 to 0xc62cbff0) <4>[ 85.420520] bfa0: 00000012 00000012 00000001 b6e40000 00000012 00000000 <4>[ 85.428967] bfc0: 00000012 00000012 b6f87e00 00000004 00000001 00000000 00020000 bec6cac4 <4>[ 85.437411] bfe0: 00000004 bec6c7f8 b6ef1d8f b6e787e6 ok 45 selftests: lkdtm: REFCOUNT<4>[ 85.442784] irq event stamp: 0 _ADD_NOT_ZERO_OVERFLOW.sh # exit=<4>[ 85.448985] hardirqs last enabled at (0): [<00000000>] 0x0 1 # selftests: lkdtm: REFCOUNT_D<4>[ 85.457699] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 EC_ZERO.sh <4>[ 85.468309] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 85.477089] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.482933] ---[ end trace cbde38cd7c28997d ]--- <6>[ 85.487842] lkdtm: Zero detected: saturated # [ 85.131073] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 85.137321] lkdtm: attempting good refcount_dec() # [ 85.146197] lkdtm: attempting bad refcount_dec() to zero # [ 85.153643] ------------[ cut here ]------------ # [ 85.161362] WARNING: CPU: 0 PID: 2712 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 85.172932] refcount_t: decrement hit 0; leaking memory. # [ 85.181388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 85.213374] CPU: 0 PID: 2712 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 85.224200] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.230994] Backtrace: # [ 85.233729] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.241571] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 85.247503] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.255088] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.262319] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a28750 # [ 85.270335] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.278084] r7:0000001f r6:c1a28750 r5:c1a287b4 r4:c62ca000 # [ 85.284015] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 85.293241] r9:c1ad47b8 r8:c15ebcc8 r7:c62cbf60 r6:00000012 r5:c6475000 r4:c62ca000 # [ 85.301256] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 85.311180] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 85.321194] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.330244] r4:0000002f # [ 85.333049] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.341327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.349513] r9:c62cbf60 r8:c5330780 r7:00000012 r6:b6e40000 r5:c6304780 r4:c0c54f14 # [ 85.357530] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.365629] r9:c07e0568 r8:c62cbf60 r7:c2815800 r6:b6e40000 r5:c6304780 r4:00000000 # [ 85.373642] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.381048] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c62ca000 r5:c6304780 # [ 85.389142] r4:c6304780 # [ 85.391946] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.399350] r9:c62ca000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000012 r4:00000012 # [ 85.407364] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.415199] Exception stack(0xc62cbfa8 to 0xc62cbff0) # [ 85.420520] bfa0: 00000012 00000012 00000001 b6e40000 00000012 00000000 # [ 85.428967] bfc0: 00000012 00000012 b6f87e00 00000004 00000001 00000000 00020000 bec6cac4 # [ 85.437411] bfe0: 00000004 bec6c7f8 b6ef1d8f b6e787e6 # [ 85.442784] irq event stamp: 0 # [ 85.448985] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.457699] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 85.468309] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 85.477089] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.482933] ---[ end trace cbde38cd7c28997d ]--- # [ 85.487842] 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 <6>[ 85.947690] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 85.953978] lkdtm: attempting bad refcount_dec() below zero <4>[ 85.960023] ------------[ cut here ]------------ <4>[ 85.964965] WARNING: CPU: 1 PID: 2749 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 85.973714] refcount_t: decrement hit 0; leaking memory. <4>[ 85.979437] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 86.009145] CPU: 1 PID: 2749 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 86.017157] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.023951] Backtrace: <4>[ 86.026686] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.034526] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 86.040459] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.048045] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.055277] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a28750 <4>[ 86.063291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.071040] r7:0000001f r6:c1a28750 r5:c1a287b4 r4:c6712000 <4>[ 86.076974] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 86.086201] r9:c1ad47cc r8:c15ebcc8 r7:c6713f60 r6:00000016 r5:00000000 r4:c6712000 <4>[ 86.094217] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 86.104141] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 86.114501] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.123900] r5:c65e7000 r4:00000030 <4>[ 86.127745] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.136025] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.144211] r9:c6713f60 r8:c5330780 r7:00000016 r6:b6dcf000 r5:c6267040 r4:c0c54f14 <4>[ 86.152229] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.160327] r9:c07e0568 r8:c6713f60 r7:c2815800 r6:b6dcf000 r5:c6267040 r4:00000000 <4>[ 86.168340] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.175744] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6712000 r5:c6267040 <4>[ 86.183839] r4:c6267040 <4>[ 86.186643] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.194047] r9:c6712000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000016 r4:00000016 <4>[ 86.202062] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.209897] Exception stack(0xc6713fa8 to 0xc6713ff0) <4>[ 86.215217] 3fa0: 00000016 00000016 00000001 b6dcf000 00000016 00000000 <4>[ 86.223663] 3fc0: 00000016 00000016 b6f16e00 00000004 00000001 00000000 00020000 bee97ac4 <4>[ 86.232106] 3fe0: 00000004 bee977f8 b6e80d8f b6e077e6 <4>[ 86.237501] irq event stamp: 0 <4>[ 86.240836] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.246713] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 86.254492] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 86.262310] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.268200] ---[ end trace cbde38cd7c28997e ]--- <6>[ 86.273092] lkdtm: Negative detected: saturated # [ 85.947690] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 85.953978] lkdtm: attempting bad refcount_dec() below zero # [ 85.960023] ------------[ cut here ]------------ # [ 85.964965] WARNING: CPU: 1 PID: 2749 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 85.973714] refcount_t: decrement hit 0; leaking memory. # [ 85.979437] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 86.009145] CPU: 1 PID: 2749 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 86.017157] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.023951] Backtrace: # [ 86.026686] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.034526] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 86.040459] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.048045] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.055277] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a28750 # [ 86.063291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.071040] r7:0000001f r6:c1a28750 r5:c1a287b4 r4:c6712000 # [ 86.076974] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 86.086201] r9:c1ad47cc r8:c15ebcc8 r7:c6713f60 r6:00000016 r5:00000000 r4:c6712000 # [ 86.094217] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 86.104141] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 86.114501] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.123900] r5:c65e7000 r4:00000030 # [ 86.127745] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.136025] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.144211] r9:c6713f60 r8:c5330780 r7:00000016 r6:b6dcf000 r5:c6267040 r4:c0c54f14 # [ 86.152229] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.160327] r9:c07e0568 r8:c6713f60 r7:c2815800 r6:b6dcf000 r5:c6267040 r4:00000000 # [ 86.168340] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.175744] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6712000 r5:c6267040 # [ 86.183839] r4:c6267040 # [ 86.186643] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.194047] r9:c6712000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000016 r4:00000016 # [ 86.202062] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.209897] Exception stack(0xc6713fa8 to 0xc6713ff0) # [ 86.215217] 3fa0: 00000016 00000016 00000001 b6dcf000 00000016 00000000 # [ 86.223663] 3fc0: 00000016 00000016 b6f16e00 00000004 00000001 00000000 00020000 bee97ac4 # [ 86.232106] 3fe0: 00000004 bee977f8 b6e80d8f b6e077e6 # [ 86.237501] irq event stamp: 0 # [ 86.240836] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.246713] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.254492] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.262310] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.268200] ---[ end trace cbde38cd7c28997e ]--- # [ 86.273092] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh <6>[ 86.709752] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 86.716979] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 86.723635] ------------[ cut here ]------------ <4>[ 86.728607] WARNING: CPU: 0 PID: 2784 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 86.737495] refcount_t: underflow; use-after-free. <4>[ 86.742584] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 86.772092] CPU: 0 PID: 2784 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 86.780104] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.786898] Backtrace: <4>[ 86.789635] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.797476] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 86.803409] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.810994] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.818225] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 <4>[ 86.826241] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.833990] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c6476000 <4>[ 86.839922] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 86.849235] r9:c1ad47e4 r8:c15ebcc8 r7:c6477f60 r6:0000001f r5:00000000 r4:c6476000 <4>[ 86.857254] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 86.867965] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 86.879886] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.890066] r5:c6528000 r4:00000031 <4>[ 86.893913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.902191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.910375] r9:c6477f60 r8:c5330780 r7:0000001f r6:b6e16000 r5:c6272500 r4:c0c54f14 <4>[ 86.918391] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.926490] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e16000 r5:c6272500 r4:00000000 <4>[ 86.934501] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.941906] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c6476000 r5:c6272500 <4>[ 86.950000] r4:c6272500 <4>[ 86.952805] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.960209] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:0000001f r4:0000001f <4>[ 86.968223] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.976058] Exception stack(0xc6477fa8 to 0xc6477ff0) <4>[ 86.981379] 7fa0: 0000001f 0000001f 00000001 b6e16000 0000001f 00000000 <4>[ 86.989826] 7fc0: 0000001f 0000001f b6f5de00 00000004 00000001 00000000 00020000 beb9aac4 <4>[ 86.998271] 7fe0: 00000004 beb9a7f8 b6ec7d8f b6e4e7e6 <4>[ 87.003632] irq event stamp: 0 <4>[ 87.006997] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.012848] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 87.020647] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 87.028458] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.034306] ---[ end trace cbde38cd7c28997f ]--- <6>[ 87.039220] lkdtm: Negative detected: saturated # [ 86.709752] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 86.716979] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 86.723635] ------------[ cut here ]------------ # [ 86.728607] WARNING: CPU: 0 PID: 2784 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 86.737495] refcount_t: underflow; use-after-free. # [ 86.742584] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 86.772092] CPU: 0 PID: 2784 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 86.780104] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.786898] Backtrace: # [ 86.789635] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.797476] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 86.803409] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.810994] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.818225] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 # [ 86.826241] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.833990] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c6476000 # [ 86.839922] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 86.849235] r9:c1ad47e4 r8:c15ebcc8 r7:c6477f60 r6:0000001f r5:00000000 r4:c6476000 # [ 86.857254] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 86.867965] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 86.879886] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.890066] r5:c6528000 r4:00000031 # [ 86.893913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.902191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.910375] r9:c6477f60 r8:c5330780 r7:0000001f r6:b6e16000 r5:c6272500 r4:c0c54f14 # [ 86.918391] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.926490] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e16000 r5:c6272500 r4:00000000 # [ 86.934501] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.941906] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c6476000 r5:c6272500 # [ 86.950000] r4:c6272500 # [ 86.952805] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.960209] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:0000001f r4:0000001f # [ 86.968223] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.976058] Exception stack(0xc6477fa8 to 0xc6477ff0) # [ 86.981379] 7fa0: 0000001f 0000001f 00000001 b6e16000 0000001f 00000000 # [ 86.989826] 7fc0: 0000001f 0000001f b6f5de00 00000004 00000001 00000000 00020000 beb9aac4 # [ 86.998271] 7fe0: 00000004 beb9a7f8 b6ec7d8f b6e4e7e6 # [ 87.003632] irq event stamp: 0 # [ 87.006997] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.012848] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.020647] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.028458] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.034306] ---[ end trace cbde38cd7c28997f ]--- # [ 87.039220] 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 <6>[ 87.489277] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 87.496411] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 87.503042] ------------[ cut here ]------------ <4>[ 87.508043] WARNING: CPU: 0 PID: 2819 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 87.516879] refcount_t: underflow; use-after-free. <4>[ 87.521946] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 87.551478] CPU: 0 PID: 2819 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 87.559492] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.566289] Backtrace: <4>[ 87.569032] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.576876] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 87.582815] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.590404] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.597640] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 <4>[ 87.605662] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.613416] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c65ac000 <4>[ 87.619354] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 87.628671] r9:c1ad4804 r8:c15ebcc8 r7:c65adf60 r6:0000001f r5:c652a000 r4:c65ac000 <4>[ 87.636693] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 87.647406] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 87.659331] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.669511] r4:00000032 <4>[ 87.672319] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.680601] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.688792] r9:c65adf60 r8:c5330780 r7:0000001f r6:b6e22000 r5:c60e8500 r4:c0c54f14 <4>[ 87.696815] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.704919] r9:c07e0568 r8:c65adf60 r7:c2815800 r6:b6e22000 r5:c60e8500 r4:00000000 <4>[ 87.712936] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.720343] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c65ac000 r5:c60e8500 <4>[ 87.728439] r4:c60e8500 <4>[ 87.731248] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.738655] r9:c65ac000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:0000001f r4:0000001f <4>[ 87.746676] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.754514] Exception stack(0xc65adfa8 to 0xc65adff0) <4>[ 87.759840] dfa0: 0000001f 0000001f 00000001 b6e22000 0000001f 00000000 <4>[ 87.768292] dfc0: 0000001f 0000001f b6f69e00 00000004 00000001 00000000 00020000 bef51ac4 <4>[ 87.776740] dfe0: 00000004 bef517f8 b6ed3d8f b6e5a7e6 <4>[ 87.782134] irq event stamp: 0 <4>[ 87.785474] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.791363] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 87.799179] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 87.808230] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.814773] ---[ end trace cbde38cd7c289980 ]--- <6>[ 87.819732] lkdtm: Negative detected: saturated # [ 87.489277] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 87.496411] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 87.503042] ------------[ cut here ]------------ # [ 87.508043] WARNING: CPU: 0 PID: 2819 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 87.516879] refcount_t: underflow; use-after-free. # [ 87.521946] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 87.551478] CPU: 0 PID: 2819 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 87.559492] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.566289] Backtrace: # [ 87.569032] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.576876] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 87.582815] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.590404] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.597640] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 # [ 87.605662] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.613416] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c65ac000 # [ 87.619354] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 87.628671] r9:c1ad4804 r8:c15ebcc8 r7:c65adf60 r6:0000001f r5:c652a000 r4:c65ac000 # [ 87.636693] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 87.647406] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 87.659331] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.669511] r4:00000032 # [ 87.672319] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.680601] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.688792] r9:c65adf60 r8:c5330780 r7:0000001f r6:b6e22000 r5:c60e8500 r4:c0c54f14 # [ 87.696815] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.704919] r9:c07e0568 r8:c65adf60 r7:c2815800 r6:b6e22000 r5:c60e8500 r4:00000000 # [ 87.712936] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.720343] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c65ac000 r5:c60e8500 # [ 87.728439] r4:c60e8500 # [ 87.731248] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.738655] r9:c65ac000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:0000001f r4:0000001f # [ 87.746676] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.754514] Exception stack(0xc65adfa8 to 0xc65adff0) # [ 87.759840] dfa0: 0000001f 0000001f 00000001 b6e22000 0000001f 00000000 # [ 87.768292] dfc0: 0000001f 0000001f b6f69e00 00000004 00000001 00000000 00020000 bef51ac4 # [ 87.776740] dfe0: 00000004 bef517f8 b6ed3d8f b6e5a7e6 # [ 87.782134] irq event stamp: 0 # [ 87.785474] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.791363] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.799179] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.808230] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.814773] ---[ end trace cbde38cd7c289980 ]--- # [ 87.819732] lkdtm: Negative detec<6>[ 88.247141] lkdtm: Performing direct entry REFCOUNT_INC_ZERO ted: saturated # REFCOUNT_SUB_AN<6>[ 88.255798] lkdtm: attempting safe refcount_inc_not_zero() from zero D_TEST_NEGATIVE: saw 'Negative de<6>[ 88.265395] lkdtm: Good: zero detected tected: saturated': ok ok 49 sel<6>[ 88.272331] lkdtm: Correctly stayed at zero ftests: lkdtm: REFCOUNT_SUB_AND_T<6>[ 88.279700] lkdtm: attempting bad refcount_inc() from zero EST_NEGATIVE.sh # selftests: lkd<4>[ 88.288393] ------------[ cut here ]------------ tm: REFCOUNT_INC_ZERO.sh <4>[ 88.296101] WARNING: CPU: 0 PID: 2851 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 88.307123] refcount_t: addition on 0; use-after-free. <4>[ 88.312533] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 88.341949] CPU: 0 PID: 2851 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 88.349960] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.356753] Backtrace: <4>[ 88.359486] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.367325] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 88.373260] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.380843] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.388073] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a28750 <4>[ 88.396088] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.403839] r7:00000019 r6:c1a28750 r5:c1a28760 r4:c6476000 <4>[ 88.409770] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 88.419084] r9:c1ad4824 r8:c15ebcc8 r7:c6477f60 r6:00000012 r5:00000000 r4:c6476000 <4>[ 88.427100] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 88.437026] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 88.447037] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.456086] r5:c652a000 r4:00000033 <4>[ 88.459933] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.468210] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.476396] r9:c6477f60 r8:c5330780 r7:00000012 r6:b6e44000 r5:c6304280 r4:c0c54f14 <4>[ 88.484413] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.492512] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e44000 r5:c6304280 r4:00000000 <4>[ 88.500526] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.507930] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6476000 r5:c6304280 <4>[ 88.516023] r4:c6304280 <4>[ 88.518826] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.526230] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:00000012 r4:00000012 <4>[ 88.534245] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.542081] Exception stack(0xc6477fa8 to 0xc6477ff0) <4>[ 88.547402] 7fa0: 00000012 00000012 00000001 b6e44000 00000012 00000000 <4>[ 88.555849] 7fc0: 00000012 00000012 b6f8be00 00000004 00000001 00000000 00020000 bed8bac4 <4>[ 88.564293] 7fe0: 00000004 bed8b7f8 b6ef5d8f b6e7c7e6 <4>[ 88.569642] irq event stamp: 0 <4>[ 88.572976] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.578849] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 88.586644] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 88.594400] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.600293] ---[ end trace cbde38cd7c289981 ]--- <6>[ 88.605189] lkdtm: Zero detected: saturated # [ 88.247141] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 88.255798] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 88.265395] lkdtm: Good: zero detected # [ 88.272331] lkdtm: Correctly stayed at zero # [ 88.279700] lkdtm: attempting bad refcount_inc() from zero # [ 88.288393] ------------[ cut here ]------------ # [ 88.296101] WARNING: CPU: 0 PID: 2851 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 88.307123] refcount_t: addition on 0; use-after-free. # [ 88.312533] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 88.341949] CPU: 0 PID: 2851 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 88.349960] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.356753] Backtrace: # [ 88.359486] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.367325] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 88.373260] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.380843] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.388073] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a28750 # [ 88.396088] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.403839] r7:00000019 r6:c1a28750 r5:c1a28760 r4:c6476000 # [ 88.409770] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 88.419084] r9:c1ad4824 r8:c15ebcc8 r7:c6477f60 r6:00000012 r5:00000000 r4:c6476000 # [ 88.427100] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 88.437026] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 88.447037] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.456086] r5:c652a000 r4:00000033 # [ 88.459933] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.468210] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.476396] r9:c6477f60 r8:c5330780 r7:00000012 r6:b6e44000 r5:c6304280 r4:c0c54f14 # [ 88.484413] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.492512] r9:c07e0568 r8:c6477f60 r7:c2815800 r6:b6e44000 r5:c6304280 r4:00000000 # [ 88.500526] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.507930] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6476000 r5:c6304280 # [ 88.516023] r4:c6304280 # [ 88.518826] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.526230] r9:c6476000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:00000012 r4:00000012 # [ 88.534245] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.542081] Exception stack(0xc6477fa8 to 0xc6477ff0) # [ 88.547402] 7fa0: 00000012 00000012 00000001 b6e44000 00000012 00000000 # [ 88.555849] 7fc0: 00000012 00000012 b6f8be00 00000004 00000001 00000000 00020000 bed8bac4 # [ 88.564293] 7fe0: 00000004 bed8b7f8 b6ef5d8f b6e7c7e6 # [ 88.569642] irq event stamp: 0 # [ 88.572976] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.578849] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.586644] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.594400] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.600293] ---[ end trace cbde38cd7c289981 ]--- # [ 88.605189] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # self<6>[ 89.057471] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO tests: lkdtm: REFCOUNT_ADD_ZERO.s<6>[ 89.066299] lkdtm: attempting safe refcount_add_not_zero() from zero h <6>[ 89.075650] lkdtm: Good: zero detected <6>[ 89.079949] lkdtm: Correctly stayed at zero <6>[ 89.084407] lkdtm: attempting bad refcount_add() from zero <4>[ 89.090298] ------------[ cut here ]------------ <4>[ 89.095228] WARNING: CPU: 1 PID: 2885 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 89.104054] refcount_t: addition on 0; use-after-free. <4>[ 89.109514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 89.138943] CPU: 1 PID: 2885 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 89.146952] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.153745] Backtrace: <4>[ 89.156479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.164319] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 89.170253] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.177838] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.185071] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a28750 <4>[ 89.193087] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.200837] r7:00000019 r6:c1a28750 r5:c1a28760 r4:c610a000 <4>[ 89.206769] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 89.216082] r9:c1ad4838 r8:c15ebcc8 r7:c610bf60 r6:00000012 r5:00000000 r4:c610a000 <4>[ 89.224099] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 89.234024] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 89.244035] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.253085] r5:c41bd000 r4:00000034 <4>[ 89.256929] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.265208] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.273395] r9:c610bf60 r8:c5330780 r7:00000012 r6:b6dd1000 r5:c2fc6640 r4:c0c54f14 <4>[ 89.281413] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.289512] r9:c07e0568 r8:c610bf60 r7:c2815800 r6:b6dd1000 r5:c2fc6640 r4:00000000 <4>[ 89.297523] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.304928] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c610a000 r5:c2fc6640 <4>[ 89.313021] r4:c2fc6640 <4>[ 89.315824] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.323228] r9:c610a000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000012 r4:00000012 <4>[ 89.331244] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.339078] Exception stack(0xc610bfa8 to 0xc610bff0) <4>[ 89.344402] bfa0: 00000012 00000012 00000001 b6dd1000 00000012 00000000 <4>[ 89.352848] bfc0: 00000012 00000012 b6f18e00 00000004 00000001 00000000 00020000 beb52ac4 <4>[ 89.361293] bfe0: 00000004 beb527f8 b6e82d8f b6e097e6 <4>[ 89.366680] irq event stamp: 0 <4>[ 89.370015] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.375895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 89.383677] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 89.391483] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.397365] ---[ end trace cbde38cd7c289982 ]--- <6>[ 89.402257] lkdtm: Zero detected: saturated # [ 89.057471] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 89.066299] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 89.075650] lkdtm: Good: zero detected # [ 89.079949] lkdtm: Correctly stayed at zero # [ 89.084407] lkdtm: attempting bad refcount_add() from zero # [ 89.090298] ------------[ cut here ]------------ # [ 89.095228] WARNING: CPU: 1 PID: 2885 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 89.104054] refcount_t: addition on 0; use-after-free. # [ 89.109514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 89.138943] CPU: 1 PID: 2885 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 89.146952] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.153745] Backtrace: # [ 89.156479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.164319] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 89.170253] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.177838] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.185071] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a28750 # [ 89.193087] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.200837] r7:00000019 r6:c1a28750 r5:c1a28760 r4:c610a000 # [ 89.206769] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 89.216082] r9:c1ad4838 r8:c15ebcc8 r7:c610bf60 r6:00000012 r5:00000000 r4:c610a000 # [ 89.224099] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 89.234024] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 89.244035] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.253085] r5:c41bd000 r4:00000034 # [ 89.256929] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.265208] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.273395] r9:c610bf60 r8:c5330780 r7:00000012 r6:b6dd1000 r5:c2fc6640 r4:c0c54f14 # [ 89.281413] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.289512] r9:c07e0568 r8:c610bf60 r7:c2815800 r6:b6dd1000 r5:c2fc6640 r4:00000000 # [ 89.297523] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.304928] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c610a000 r5:c2fc6640 # [ 89.313021] r4:c2fc6640 # [ 89.315824] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.323228] r9:c610a000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000012 r4:00000012 # [ 89.331244] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.339078] Exception stack(0xc610bfa8 to 0xc610bff0) # [ 89.344402] bfa0: 00000012 00000012 00000001 b6dd1000 00000012 00000000 # [ 89.352848] bfc0: 00000012 00000012 b6f18e00 00000004 00000001 00000000 00020000 beb52ac4 # [ 89.361293] bfe0: 00000004 beb527f8 b6e82d8f b6e097e6 # [ 89.366680] irq event stamp: 0 # [ 89.370015] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.375895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.383677] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.391483] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.397365] ---[ end trace cbde38cd7c289982 ]--- # [ 89.402257] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not<6>[ 89.847178] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED ok 51 selftests: lkm[: R 89.854260] lkdtm: attempting bad refcount_inc() from saturated FCOUNT_ADD_ZERO.sh # exit=1 # se<4>[ 89.862745] ------------[ cut here ]------------ lftests: lkdtm: REFCOUNT_INC_SATU<4>[ 89.870642] WARNING: CPU: 3 PID: 2922 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 RATED.sh <4>[ 89.882067] refcount_t: saturated; leaking memory. <4>[ 89.887958] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 89.917384] CPU: 3 PID: 2922 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 89.925395] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.932187] Backtrace: <4>[ 89.934923] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.942763] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 89.948696] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.956280] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.963511] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 <4>[ 89.971529] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.979278] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c65ac000 <4>[ 89.985211] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 89.994438] r9:c1ad484c r8:c15ebcc8 r7:c65adf60 r6:00000017 r5:c2f5b000 r4:c65ac000 <4>[ 90.002456] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 90.012384] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 90.022828] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.032311] r4:00000035 <4>[ 90.035114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.043393] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.051581] r9:c65adf60 r8:c5330780 r7:00000017 r6:b6e3d000 r5:c429ef00 r4:c0c54f14 <4>[ 90.059598] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.067696] r9:c07e0568 r8:c65adf60 r7:c2815800 r6:b6e3d000 r5:c429ef00 r4:00000000 <4>[ 90.075707] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.083111] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c65ac000 r5:c429ef00 <4>[ 90.091205] r4:c429ef00 <4>[ 90.094010] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.101415] r9:c65ac000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000017 r4:00000017 <4>[ 90.109430] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.117265] Exception stack(0xc65adfa8 to 0xc65adff0) <4>[ 90.122587] dfa0: 00000017 00000017 00000001 b6e3d000 00000017 00000000 <4>[ 90.131036] dfc0: 00000017 00000017 b6f84e00 00000004 00000001 00000000 00020000 bec1bac4 <4>[ 90.139479] dfe0: 00000004 bec1b7f8 b6eeed8f b6e757e6 <4>[ 90.144874] irq event stamp: 0 <4>[ 90.148248] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.154102] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 90.161896] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 90.169680] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.175525] ---[ end trace cbde38cd7c289983 ]--- <6>[ 90.180441] lkdtm: Saturation detected: still saturated # [ 89.847178] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 89.854260] lkdtm: attempting bad refcount_inc() from saturated # [ 89.862745] ------------[ cut here ]------------ # [ 89.870642] WARNING: CPU: 3 PID: 2922 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 89.882067] refcount_t: saturated; leaking memory. # [ 89.887958] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 89.917384] CPU: 3 PID: 2922 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 89.925395] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.932187] Backtrace: # [ 89.934923] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.942763] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 89.948696] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.956280] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.963511] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 # [ 89.971529] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.979278] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c65ac000 # [ 89.985211] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 89.994438] r9:c1ad484c r8:c15ebcc8 r7:c65adf60 r6:00000017 r5:c2f5b000 r4:c65ac000 # [ 90.002456] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 90.012384] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 90.022828] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.032311] r4:00000035 # [ 90.035114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.043393] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.051581] r9:c65adf60 r8:c5330780 r7:00000017 r6:b6e3d000 r5:c429ef00 r4:c0c54f14 # [ 90.059598] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.067696] r9:c07e0568 r8:c65adf60 r7:c2815800 r6:b6e3d000 r5:c429ef00 r4:00000000 # [ 90.075707] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.083111] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c65ac000 r5:c429ef00 # [ 90.091205] r4:c429ef00 # [ 90.094010] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.101415] r9:c65ac000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000017 r4:00000017 # [ 90.109430] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.117265] Exception stack(0xc65adfa8 to 0xc65adff0) # [ 90.122587] dfa0: 00000017 00000017 00000001 b6e3d000 00000017 00000000 # [ 90.131036] dfc0: 00000017 00000017 b6f84e00 00000004 00000001 00000000 00020000 bec1bac4 # [ 90.139479] dfe0: 00000004 bec1b7f8 b6eeed8f b6e757e6 # [ 90.144874] irq event stamp: 0 # [ 90.148248] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.154102] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.161896] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.169680] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.175525] ---[ end trace cbde38cd7c289983 ]--- # [ 90.180441] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURA<6>[ 90.617925] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED TED.sh # selftests: lkdtm: REFCO<6>[ 90.626361] lkdtm: attempting bad refcount_dec() from saturated UNT_DEC_SATURATED.sh <4>[ 90.635349] ------------[ cut here ]------------ <4>[ 90.643379] WARNING: CPU: 0 PID: 2957 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.653764] refcount_t: decrement hit 0; leaking memory. <4>[ 90.659392] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 90.688817] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 90.696828] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.703620] Backtrace: <4>[ 90.706358] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.714199] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 90.720132] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.727716] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.734948] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a28750 <4>[ 90.742965] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.750715] r7:0000001f r6:c1a28750 r5:c1a287b4 r4:c2e52000 <4>[ 90.756649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 90.765876] r9:c1ad4864 r8:c15ebcc8 r7:c2e53f60 r6:00000017 r5:c60a3000 r4:c2e52000 <4>[ 90.773893] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 90.783817] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 90.794264] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.803747] r4:00000036 <4>[ 90.806552] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.814829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.823015] r9:c2e53f60 r8:c5330780 r7:00000017 r6:b6dd1000 r5:c6272500 r4:c0c54f14 <4>[ 90.831033] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.839132] r9:c07e0568 r8:c2e53f60 r7:c2815800 r6:b6dd1000 r5:c6272500 r4:00000000 <4>[ 90.847144] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.854548] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c2e52000 r5:c6272500 <4>[ 90.862641] r4:c6272500 <4>[ 90.865446] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.872849] r9:c2e52000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000017 r4:00000017 <4>[ 90.880865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.888700] Exception stack(0xc2e53fa8 to 0xc2e53ff0) <4>[ 90.894023] 3fa0: 00000017 00000017 00000001 b6dd1000 00000017 00000000 <4>[ 90.902468] 3fc0: 00000017 00000017 b6f18e00 00000004 00000001 00000000 00020000 be964ac4 <4>[ 90.910912] 3fe0: 00000004 be9647f8 b6e82d8f b6e097e6 <4>[ 90.916255] irq event stamp: 0 <4>[ 90.919587] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.925435] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 90.933217] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 90.940992] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.946858] ---[ end trace cbde38cd7c289984 ]--- <6>[ 90.951747] lkdtm: Saturation detected: still saturated # [ 90.617925] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.626361] lkdtm: attempting bad refcount_dec() from saturated # [ 90.635349] ------------[ cut here ]------------ # [ 90.643379] WARNING: CPU: 0 PID: 2957 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.653764] refcount_t: decrement hit 0; leaking memory. # [ 90.659392] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 90.688817] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 90.696828] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.703620] Backtrace: # [ 90.706358] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.714199] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 90.720132] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.727716] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.734948] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a28750 # [ 90.742965] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.750715] r7:0000001f r6:c1a28750 r5:c1a287b4 r4:c2e52000 # [ 90.756649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.765876] r9:c1ad4864 r8:c15ebcc8 r7:c2e53f60 r6:00000017 r5:c60a3000 r4:c2e52000 # [ 90.773893] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.783817] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 90.794264] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.803747] r4:00000036 # [ 90.806552] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.814829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.823015] r9:c2e53f60 r8:c5330780 r7:00000017 r6:b6dd1000 r5:c6272500 r4:c0c54f14 # [ 90.831033] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.839132] r9:c07e0568 r8:c2e53f60 r7:c2815800 r6:b6dd1000 r5:c6272500 r4:00000000 # [ 90.847144] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.854548] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c2e52000 r5:c6272500 # [ 90.862641] r4:c6272500 # [ 90.865446] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.872849] r9:c2e52000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000017 r4:00000017 # [ 90.880865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.888700] Exception stack(0xc2e53fa8 to 0xc2e53ff0) # [ 90.894023] 3fa0: 00000017 00000017 00000001 b6dd1000 00000017 00000000 # [ 90.902468] 3fc0: 00000017 00000017 b6f18e00 00000004 00000001 00000000 00020000 be964ac4 # [ 90.910912] 3fe0: 00000004 be9647f8 b6e82d8f b6e097e6 # [ 90.916255] irq event stamp: 0 # [ 90.919587] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.925435] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.933217] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.940992] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.946858] ---[ end trace cbde38cd7c289984 ]--- # [ 90.951747] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh <6>[ 91.416700] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 91.423075] lkdtm: attempting bad refcount_dec() from saturated <4>[ 91.429307] ------------[ cut here ]------------ <4>[ 91.434213] WARNING: CPU: 0 PID: 2992 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 91.442969] refcount_t: saturated; leaking memory. <4>[ 91.448067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 91.477524] CPU: 0 PID: 2992 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 91.485535] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.492328] Backtrace: <4>[ 91.495063] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.502903] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 91.508837] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.516423] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.523654] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 <4>[ 91.531671] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.539421] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c2e52000 <4>[ 91.545353] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 91.554580] r9:c1ad487c r8:c15ebcc8 r7:c2e53f60 r6:00000017 r5:c60a3000 r4:c2e52000 <4>[ 91.562596] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 91.572525] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 91.582969] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.592451] r4:00000037 <4>[ 91.595255] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.603534] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.611719] r9:c2e53f60 r8:c5330780 r7:00000017 r6:b6dee000 r5:c620e000 r4:c0c54f14 <4>[ 91.619735] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.627832] r9:c07e0568 r8:c2e53f60 r7:c2815800 r6:b6dee000 r5:c620e000 r4:00000000 <4>[ 91.635846] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.643250] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c2e52000 r5:c620e000 <4>[ 91.651342] r4:c620e000 <4>[ 91.654148] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.661551] r9:c2e52000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000017 r4:00000017 <4>[ 91.669566] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.677401] Exception stack(0xc2e53fa8 to 0xc2e53ff0) <4>[ 91.682723] 3fa0: 00000017 00000017 00000001 b6dee000 00000017 00000000 <4>[ 91.691171] 3fc0: 00000017 00000017 b6f35e00 00000004 00000001 00000000 00020000 be858ac4 <4>[ 91.699613] 3fe0: 00000004 be8587f8 b6e9fd8f b6e267e6 <4>[ 91.704966] irq event stamp: 0 <4>[ 91.708319] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.714169] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 91.721964] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 91.729773] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.735623] ---[ end trace cbde38cd7c289985 ]--- <6>[ 91.740536] lkdtm: Saturation detected: still saturated # [ 91.416700] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 91.423075] lkdtm: attempting bad refcount_dec() from saturated # [ 91.429307] ------------[ cut here ]------------ # [ 91.434213] WARNING: CPU: 0 PID: 2992 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 91.442969] refcount_t: saturated; leaking memory. # [ 91.448067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 91.477524] CPU: 0 PID: 2992 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 91.485535] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.492328] Backtrace: # [ 91.495063] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.502903] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 91.508837] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.516423] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.523654] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a28750 # [ 91.531671] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.539421] r7:00000016 r6:c1a28750 r5:c1a28728 r4:c2e52000 # [ 91.545353] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 91.554580] r9:c1ad487c r8:c15ebcc8 r7:c2e53f60 r6:00000017 r5:c60a3000 r4:c2e52000 # [ 91.562596] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 91.572525] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 91.582969] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.592451] r4:00000037 # [ 91.595255] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.603534] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.611719] r9:c2e53f60 r8:c5330780 r7:00000017 r6:b6dee000 r5:c620e000 r4:c0c54f14 # [ 91.619735] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.627832] r9:c07e0568 r8:c2e53f60 r7:c2815800 r6:b6dee000 r5:c620e000 r4:00000000 # [ 91.635846] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.643250] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c2e52000 r5:c620e000 # [ 91.651342] r4:c620e000 # [ 91.654148] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.661551] r9:c2e52000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000017 r4:00000017 # [ 91.669566] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.677401] Exception stack(0xc2e53fa8 to 0xc2e53ff0) # [ 91.682723] 3fa0: 00000017 00000017 00000001 b6dee000 00000017 00000000 # [ 91.691171] 3fc0: 00000017 00000017 b6f35e00 00000004 00000001 00000000 00020000 be858ac4 # [ 91.699613] 3fe0: 00000004 be8587f8 b6e9fd8f b6e267e6 # [ 91.704966] irq event stamp: 0 # [ 91.708319] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.714169] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.721964] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.729773] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.735623] ---[ end trace cbde38cd7c289985 ]--- # [ 91.740536] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED<6>[ 92.180354] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED : saw 'Saturation detected: still<6>[ 92.188695] lkdtm: attempting bad refcount_inc_not_zero() from saturated saturated': ok ok 54 selftests:<4>[ 92.198500] ------------[ cut here ]------------ lkdtm: REFCOUNT_ADD_SATURATED.sh<4>[ 92.206245] WARNING: CPU: 3 PID: 3024 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # selftests: lkdtm: REFCOUNT_IN<4>[ 92.217789] refcount_t: saturated; leaking memory. C_NOT_ZERO_SATURATED.sh <4>[ 92.225677] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 92.256980] CPU: 3 PID: 3024 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 92.264991] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.271785] Backtrace: <4>[ 92.274520] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.282361] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 92.288294] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.295879] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.303111] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 <4>[ 92.311128] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.318878] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c453a000 <4>[ 92.324810] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 92.334039] r9:c1ad4894 r8:c15ebcc8 r7:c453bf60 r6:00000020 r5:c2f5b000 r4:c0000000 <4>[ 92.342056] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 92.352763] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 92.364765] r5:c2f5b000 r4:c453a000 <4>[ 92.368615] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.378879] r4:00000038 <4>[ 92.381683] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.389961] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.398148] r9:c453bf60 r8:c5330780 r7:00000020 r6:b6e59000 r5:c6273b80 r4:c0c54f14 <4>[ 92.406168] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.414266] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6e59000 r5:c6273b80 r4:00000000 <4>[ 92.422280] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.429683] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c453a000 r5:c6273b80 <4>[ 92.437776] r4:c6273b80 <4>[ 92.440581] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.447986] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000020 r4:00000020 <4>[ 92.456001] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.463837] Exception stack(0xc453bfa8 to 0xc453bff0) <4>[ 92.469159] bfa0: 00000020 00000020 00000001 b6e59000 00000020 00000000 <4>[ 92.477606] bfc0: 00000020 00000020 b6fa0e00 00000004 00000001 00000000 00020000 bef45ac4 <4>[ 92.486051] bfe0: 00000004 bef457f8 b6f0ad8f b6e917e6 <4>[ 92.491421] irq event stamp: 0 <4>[ 92.494753] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.500633] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 92.508454] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 92.516256] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.522110] ---[ end trace cbde38cd7c289986 ]--- <6>[ 92.527033] lkdtm: Saturation detected: still saturated # [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines # [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled # [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB # [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 # [ 0.000000] Switching to timer-based delay loop, resolution 333ns # [ 92.180354] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.188695] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.198500] ------------[ cut here ]------------ # [ 92.206245] WARNING: CPU: 3 PID: 3024 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 92.217789] refcount_t: saturated; leaking memory. # [ 92.225677] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 92.256980] CPU: 3 PID: 3024 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 92.264991] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.271785] Backtrace: # [ 92.274520] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.282361] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 92.288294] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.295879] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.303111] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 # [ 92.311128] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.318878] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c453a000 # [ 92.324810] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 92.334039] r9:c1ad4894 r8:c15ebcc8 r7:c453bf60 r6:00000020 r5:c2f5b000 r4:c0000000 # [ 92.342056] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 92.352763] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 92.364765] r5:c2f5b000 r4:c453a000 # [ 92.368615] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.378879] r4:00000038 # [ 92.381683] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.389961] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.398148] r9:c453bf60 r8:c5330780 r7:00000020 r6:b6e59000 r5:c6273b80 r4:c0c54f14 # [ 92.406168] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.414266] r9:c07e0568 r8:c453bf60 r7:c2815800 r6:b6e59000 r5:c6273b80 r4:00000000 # [ 92.422280] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.429683] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c453a000 r5:c6273b80 # [ 92.437776] r4:c6273b80 # [ 92.440581] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.447986] r9:c453a000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000020 r4:00000020 # [ 92.456001] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.463837] Exception stack(0xc453bfa8 to 0xc453bff0) # [ 92.469159] bfa0: 00000020 00000020 00000001 b6e59000 00000020 00000000 # [ 92.477606] bfc0: 00000020 00000020 b6fa0e00 00000004 00000001 00000000 00020000 bef45ac4 # [ 92.486051] bfe0: 00000004 bef457f8 b6f0ad8f b6e917e6 # [ 92.491421] irq event stamp: 0 # [ 92.494753] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.500633] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.508454] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.516256] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.522110] ---[ end trace cbde38cd7c289986 ]--- # [ 92.527033] lkdtm: S<6>[ 92.997760] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED aturation detected: still saturat<6>[ 93.006266] lkdtm: attempting bad refcount_add_not_zero() from saturated ed # REFCOUNT_INC_NOT_ZERO_SATUR<4>[ 93.016118] ------------[ cut here ]------------ ATED: missing 'call trace:': [FAI<4>[ 93.023855] WARNING: CPU: 3 PID: 3058 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 L] not ok 55 selftests: lkdtm: R<4>[ 93.035393] refcount_t: saturated; leaking memory. EFCOUNT_INC_NOT_ZERO_SATURATED.sh<4>[ 93.043296] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # exit=1 # selftests: lkdtm: RE<4>[ 93.075273] CPU: 3 PID: 3058 Comm: cat Tainted: G D W 5.10.182-cip35 #1 FCOUNT_ADD_NOZ[E R O _9S3A.T86098] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) URATED.sh <4>[ 93.094791] Backtrace: <4>[ 93.098470] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.106309] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 93.112243] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.119827] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.127060] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 <4>[ 93.135076] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.142827] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c6614000 <4>[ 93.148760] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 93.157989] r9:c1ad48b4 r8:c15ebcc8 r7:c6615f60 r6:00000020 r5:c2f5b000 r4:c0000000 <4>[ 93.166007] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 93.176716] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 93.188717] r5:c2f5b000 r4:c6614000 <4>[ 93.192568] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.202834] r4:00000039 <4>[ 93.205639] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.213918] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.222104] r9:c6615f60 r8:c5330780 r7:00000020 r6:b6e57000 r5:c2fc6280 r4:c0c54f14 <4>[ 93.230122] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.238222] r9:c07e0568 r8:c6615f60 r7:c2815800 r6:b6e57000 r5:c2fc6280 r4:00000000 <4>[ 93.246234] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.253639] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6614000 r5:c2fc6280 <4>[ 93.261732] r4:c2fc6280 <4>[ 93.264538] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.271941] r9:c6614000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000020 r4:00000020 <4>[ 93.279956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.287791] Exception stack(0xc6615fa8 to 0xc6615ff0) <4>[ 93.293112] 5fa0: 00000020 00000020 00000001 b6e57000 00000020 00000000 <4>[ 93.301561] 5fc0: 00000020 00000020 b6f9ee00 00000004 00000001 00000000 00020000 bed59ac4 <4>[ 93.310007] 5fe0: 00000004 bed597f8 b6f08d8f b6e8f7e6 <4>[ 93.315378] irq event stamp: 0 <4>[ 93.318733] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.324585] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 93.332381] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 93.340200] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.346084] ---[ end trace cbde38cd7c289987 ]--- <6>[ 93.350990] lkdtm: Saturation detected: still saturated # [ 92.997760] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 93.006266] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 93.016118] ------------[ cut here ]------------ # [ 93.023855] WARNING: CPU: 3 PID: 3058 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 93.035393] refcount_t: saturated; leaking memory. # [ 93.043296] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 93.075273] CPU: 3 PID: 3058 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 93.086098] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.094791] Backtrace: # [ 93.098470] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.106309] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 93.112243] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.119827] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.127060] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a28750 # [ 93.135076] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.142827] r7:00000013 r6:c1a28750 r5:c1a28728 r4:c6614000 # [ 93.148760] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 93.157989] r9:c1ad48b4 r8:c15ebcc8 r7:c6615f60 r6:00000020 r5:c2f5b000 r4:c0000000 # [ 93.166007] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 93.176716] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 93.188717] r5:c2f5b000 r4:c6614000 # [ 93.192568] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.202834] r4:00000039 # [ 93.205639] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.213918] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.222104] r9:c6615f60 r8:c5330780 r7:00000020 r6:b6e57000 r5:c2fc6280 r4:c0c54f14 # [ 93.230122] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.238222] r9:c07e0568 r8:c6615f60 r7:c2815800 r6:b6e57000 r5:c2fc6280 r4:00000000 # [ 93.246234] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.253639] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6614000 r5:c2fc6280 # [ 93.261732] r4:c2fc6280 # [ 93.264538] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.271941] r9:c6614000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000020 r4:00000020 # [ 93.279956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.287791] Exception stack(0xc6615fa8 to 0xc6615ff0) # [ 93.293112] 5fa0: 00000020 00000020 00000001 b6e57000 00000020 00000000 # [ 93.301561] 5fc0: 00000020 00000020 b6f9ee00 00000004 00000001 00000000 00020000 bed59ac4 # [ 93.310007] 5fe0: 00000004 bed597f8 b6f08d8f b6e8f7e6 # [ 93.315378] irq event stamp: 0 # [ 93.318733] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.324585] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.332381] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.340200] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.346084] ---[ end trace cbde38cd7c289987 ]--- # [ 93.350990] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 93.814561] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 93.821839] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 93.828875] ------------[ cut here ]------------ <4>[ 93.833789] WARNING: CPU: 3 PID: 3095 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 93.842717] refcount_t: underflow; use-after-free. <4>[ 93.847832] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 93.877262] CPU: 3 PID: 3095 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 93.885273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.892068] Backtrace: <4>[ 93.894803] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.902643] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 93.908578] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.916161] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.923392] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 <4>[ 93.931410] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.939159] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c63b6000 <4>[ 93.945092] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 93.954406] r9:c1ad48d4 r8:c15ebcc8 r7:c63b7f60 r6:00000020 r5:c2f5b000 r4:c63b6000 <4>[ 93.962423] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 93.973133] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 93.985141] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.995405] r4:0000003a <4>[ 93.998210] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.006487] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.014674] r9:c63b7f60 r8:c5330780 r7:00000020 r6:b6de7000 r5:c6273900 r4:c0c54f14 <4>[ 94.022693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.030793] r9:c07e0568 r8:c63b7f60 r7:c2815800 r6:b6de7000 r5:c6273900 r4:00000000 <4>[ 94.038805] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.046209] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c63b6000 r5:c6273900 <4>[ 94.054301] r4:c6273900 <4>[ 94.057106] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.064511] r9:c63b6000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000020 r4:00000020 <4>[ 94.072527] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.080363] Exception stack(0xc63b7fa8 to 0xc63b7ff0) <4>[ 94.085686] 7fa0: 00000020 00000020 00000001 b6de7000 00000020 00000000 <4>[ 94.094134] 7fc0: 00000020 00000020 b6f2ee00 00000004 00000001 00000000 00020000 bed5cac4 <4>[ 94.102578] 7fe0: 00000004 bed5c7f8 b6e98d8f b6e1f7e6 <4>[ 94.107960] irq event stamp: 0 <4>[ 94.111295] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.117174] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 94.124937] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 94.132726] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.138598] ---[ end trace cbde38cd7c289988 ]--- <6>[ 94.143495] lkdtm: Saturation detected: still saturated # [ 93.814561] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 93.821839] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 93.828875] ------------[ cut here ]------------ # [ 93.833789] WARNING: CPU: 3 PID: 3095 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 93.842717] refcount_t: underflow; use-after-free. # [ 93.847832] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 93.877262] CPU: 3 PID: 3095 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 93.885273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.892068] Backtrace: # [ 93.894803] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.902643] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 93.908578] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.916161] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.923392] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 # [ 93.931410] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.939159] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c63b6000 # [ 93.945092] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 93.954406] r9:c1ad48d4 r8:c15ebcc8 r7:c63b7f60 r6:00000020 r5:c2f5b000 r4:c63b6000 # [ 93.962423] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 93.973133] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 93.985141] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.995405] r4:0000003a # [ 93.998210] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.006487] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.014674] r9:c63b7f60 r8:c5330780 r7:00000020 r6:b6de7000 r5:c6273900 r4:c0c54f14 # [ 94.022693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.030793] r9:c07e0568 r8:c63b7f60 r7:c2815800 r6:b6de7000 r5:c6273900 r4:00000000 # [ 94.038805] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.046209] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c63b6000 r5:c6273900 # [ 94.054301] r4:c6273900 # [ 94.057106] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.064511] r9:c63b6000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000020 r4:00000020 # [ 94.072527] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.080363] Exception stack(0xc63b7fa8 to 0xc63b7ff0) # [ 94.085686] 7fa0: 00000020 00000020 00000001 b6de7000 00000020 00000000 # [ 94.094134] 7fc0: 00000020 00000020 b6f2ee00 00000004 00000001 00000000 00020000 bed5cac4 # [ 94.102578] 7fe0: 00000004 bed5c7f8 b6e98d8f b6e1f7e6 # [ 94.107960] irq event stamp: 0 # [ 94.111295] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.117174] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.124937] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.132726] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.138598] ---[ end trace cbde38cd7c289988 ]--- # [ 94.143495] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 94.625254] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 94.632484] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 94.639621] ------------[ cut here ]------------ <4>[ 94.644598] WARNING: CPU: 1 PID: 3130 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 94.653471] refcount_t: underflow; use-after-free. <4>[ 94.658570] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 <4>[ 94.688033] CPU: 1 PID: 3130 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 94.696044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.702836] Backtrace: <4>[ 94.705573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.713413] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 94.719347] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.726932] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.734163] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 <4>[ 94.742180] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.749929] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c6712000 <4>[ 94.755863] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 94.765177] r9:c1ad48f4 r8:c15ebcc8 r7:c6713f60 r6:00000020 r5:c41bd000 r4:c6712000 <4>[ 94.773196] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 94.783907] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 94.795916] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.806181] r4:0000003b <4>[ 94.808986] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.817265] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.825451] r9:c6713f60 r8:c5330780 r7:00000020 r6:b6dd3000 r5:c6261a40 r4:c0c54f14 <4>[ 94.833469] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.841568] r9:c07e0568 r8:c6713f60 r7:c2815800 r6:b6dd3000 r5:c6261a40 r4:00000000 <4>[ 94.849581] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.856986] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6712000 r5:c6261a40 <4>[ 94.865080] r4:c6261a40 <4>[ 94.867885] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.875290] r9:c6712000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000020 r4:00000020 <4>[ 94.883306] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.891141] Exception stack(0xc6713fa8 to 0xc6713ff0) <4>[ 94.896463] 3fa0: 00000020 00000020 00000001 b6dd3000 00000020 00000000 <4>[ 94.904911] 3fc0: 00000020 00000020 b6f1ae00 00000004 00000001 00000000 00020000 be94bac4 <4>[ 94.913356] 3fe0: 00000004 be94b7f8 b6e84d8f b6e0b7e6 <4>[ 94.918743] irq event stamp: 0 <4>[ 94.922076] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.927965] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 94.935728] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 94.943553] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.949445] ---[ end trace cbde38cd7c289989 ]--- <6>[ 94.954352] lkdtm: Saturation detected: still saturated # [ 94.625254] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.632484] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.639621] ------------[ cut here ]------------ # [ 94.644598] WARNING: CPU: 1 PID: 3130 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 94.653471] refcount_t: underflow; use-after-free. # [ 94.658570] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 94.688033] CPU: 1 PID: 3130 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 94.696044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.702836] Backtrace: # [ 94.705573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.713413] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 94.719347] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.726932] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.734163] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a28750 # [ 94.742180] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.749929] r7:0000001c r6:c1a28750 r5:c1a2878c r4:c6712000 # [ 94.755863] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 94.765177] r9:c1ad48f4 r8:c15ebcc8 r7:c6713f60 r6:00000020 r5:c41bd000 r4:c6712000 # [ 94.773196] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 94.783907] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 94.795916] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.806181] r4:0000003b # [ 94.808986] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.817265] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.825451] r9:c6713f60 r8:c5330780 r7:00000020 r6:b6dd3000 r5:c6261a40 r4:c0c54f14 # [ 94.833469] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.841568] r9:c07e0568 r8:c6713f60 r7:c2815800 r6:b6dd3000 r5:c6261a40 r4:00000000 # [ 94.849581] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.856986] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6712000 r5:c6261a40 # [ 94.865080] r4:c6261a40 # [ 94.867885] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.875290] r9:c6712000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000020 r4:00000020 # [ 94.883306] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.891141] Exception stack(0xc6713fa8 to 0xc6713ff0) # [ 94.896463] 3fa0: 00000020 00000020 00000001 b6dd3000 00000020 00000000 # [ 94.904911] 3fc0: 00000020 00000020 b6f1ae00 00000004 00000001 00000000 00020000 be94bac4 # [ 94.913356] 3fe0: 00000004 be94b7f8 b6e84d8f b6e0b7e6 # [ 94.918743] irq event stamp: 0 # [ 94.922076] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.927965] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.935728] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.943553] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.949445] ---[ end trace cbde38cd7c289989 ]--- # [ 94.954352] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 95.782478] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 95.788853] lkdtm: attempting good copy_to_user of correct size <6>[ 95.795089] lkdtm: attempting bad copy_to_user of too large size # [ 95.782478] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.788853] lkdtm: attempting good copy_to_user of correct size # [ 95.795089] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 96.233619] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 96.240171] lkdtm: attempting good copy_from_user of correct size <6>[ 96.246613] lkdtm: attempting bad copy_from_user of too large size # [ 96.233619] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 96.240171] lkdtm: attempting good copy_from_user of correct size # [ 96.246613] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 96.671243] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 96.678162] lkdtm: attempting good copy_to_user inside whitelist <6>[ 96.684515] lkdtm: attempting bad copy_to_user outside whitelist # [ 96.671243] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.678162] lkdtm: attempting good copy_to_user inside whitelist # [ 96.684515] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 97.107890] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 97.114810] lkdtm: attempting good copy_from_user inside whitelist <6>[ 97.121404] lkdtm: attempting bad copy_from_user outside whitelist # [ 97.107890] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 97.114810] lkdtm: attempting good copy_from_user inside whitelist # [ 97.121404] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 97.567556] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 97.574022] lkdtm: good_stack: c65ade0c-c65ade2c <6>[ 97.579091] lkdtm: bad_stack : c65add84-c65adda4 <6>[ 97.584030] lkdtm: attempting good copy_to_user of local stack <6>[ 97.590238] lkdtm: attempting bad copy_to_user of distant stack # [ 97.567556] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 97.574022] lkdtm: good_stack: c65ade0c-c65ade2c # [ 97.579091] lkdtm: bad_stack : c65add84-c65adda4 # [ 97.584030] lkdtm: attempting good copy_to_user of local stack # [ 97.590238] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 98.024231] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 98.030927] lkdtm: good_stack: c624de0c-c624de2c <6>[ 98.035869] lkdtm: bad_stack : c624dd84-c624dda4 <6>[ 98.040818] lkdtm: attempting good copy_from_user of local stack <6>[ 98.047192] lkdtm: attempting bad copy_from_user of distant stack # [ 98.024231] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 98.030927] lkdtm: good_stack: c624de0c-c624de2c # [ 98.035869] lkdtm: bad_stack : c624dd84-c624dda4 # [ 98.040818] lkdtm: attempting good copy_from_user of local stack # [ 98.047192] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 98.467188] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 98.473479] lkdtm: good_stack: c453be0c-c453be2c <6>[ 98.478501] lkdtm: bad_stack : c453bffc-c453c01c <6>[ 98.483436] lkdtm: attempting good copy_to_user of local stack <6>[ 98.489635] lkdtm: attempting bad copy_to_user of distant stack # [ 98.467188] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 98.473479] lkdtm: good_stack: c453be0c-c453be2c # [ 98.478501] lkdtm: bad_stack : c453bffc-c453c01c # [ 98.483436] lkdtm: attempting good copy_to_user of local stack # [ 98.489635] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 98.913516] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 98.919450] lkdtm: attempting good copy_to_user from kernel rodata: c15ebf74 <6>[ 98.926904] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c <3>[ 98.933978] lkdtm: FAIL: survived bad copy_to_user() # [ 98.913516] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 98.919450] lkdtm: attempting good copy_to_user from kernel rodata: c15ebf74 # [ 98.926904] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c # [ 98.933978] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 99.383898] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 99.389914] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 99.397370] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 99.404549] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 99.410868] CPU: 2 PID: 3495 Comm: cat Tainted: G D W 5.10.182-cip35 #1 <4>[ 99.418880] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.425673] Backtrace: <4>[ 99.428413] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.436252] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 <4>[ 99.442187] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.449773] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 99.458567] r9:c1ad49fc r8:c15ebcc8 r7:c65adf60 r6:c65ade34 r5:c65ac000 r4:0000078d <4>[ 99.466583] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.475636] r8:c15ebcc8 r7:c65adf60 r6:00000012 r5:c613d000 r4:00000046 <4>[ 99.482611] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.490891] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.499077] r9:c65adf60 r8:c5330780 r7:00000012 r6:b6e8c000 r5:c62523c0 r4:c0c54f14 <4>[ 99.507094] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.515193] r9:c07e0568 r8:c65adf60 r7:c2815800 r6:b6e8c000 r5:c62523c0 r4:00000000 <4>[ 99.523206] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.530611] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c65ac000 r5:c62523c0 <4>[ 99.538706] r4:c62523c0 <4>[ 99.541511] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.548916] r9:c65ac000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000012 r4:00000012 <4>[ 99.556931] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.564767] Exception stack(0xc65adfa8 to 0xc65adff0) <4>[ 99.570089] dfa0: 00000012 00000012 00000001 b6e8c000 00000012 00000000 <4>[ 99.578536] dfc0: 00000012 00000012 b6fd3e00 00000004 00000001 00000000 00020000 be8c1ac4 <4>[ 99.586980] dfe0: 00000004 be8c17f8 b6f3dd8f b6ec47e6 # [ 99.383898] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 99.389914] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 99.397370] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 99.404549] lkdtm: FAIL: the thread stack is NOT properly erased # [ 99.410868] CPU: 2 PID: 3495 Comm: cat Tainted: G D W 5.10.182-cip35 #1 # [ 99.418880] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.425673] Backtrace: # [ 99.428413] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.436252] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0ff38 # [ 99.442187] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.449773] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 99.458567] r9:c1ad49fc r8:c15ebcc8 r7:c65adf60 r6:c65ade34 r5:c65ac000 r4:0000078d # [ 99.466583] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.475636] r8:c15ebcc8 r7:c65adf60 r6:00000012 r5:c613d000 r4:00000046 # [ 99.482611] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.490891] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.499077] r9:c65adf60 r8:c5330780 r7:00000012 r6:b6e8c000 r5:c62523c0 r4:c0c54f14 # [ 99.507094] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.515193] r9:c07e0568 r8:c65adf60 r7:c2815800 r6:b6e8c000 r5:c62523c0 r4:00000000 # [ 99.523206] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.530611] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c65ac000 r5:c62523c0 # [ 99.538706] r4:c62523c0 # [ 99.541511] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.548916] r9:c65ac000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000012 r4:00000012 # [ 99.556931] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.564767] Exception stack(0xc65adfa8 to 0xc65adff0) # [ 99.570089] dfa0: 00000012 00000012 00000001 b6e8c000 00000012 00000000 # [ 99.578536] dfc0: 00000012 00000012 b6fd3e00 00000004 00000001 00000000 00020000 be8c1ac4 # [ 99.586980] dfe0: 00000004 be8c17f8 b6f3dd8f b6ec47e6 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 100.021880] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 100.027884] lkdtm: Calling matched prototype ... <6>[ 100.032780] lkdtm: Calling mismatched prototype ... <6>[ 100.038021] lkdtm: Fail: survived mismatched prototype function call! # [ 100.021880] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.027884] lkdtm: Calling matched prototype ... # [ 100.032780] lkdtm: Calling mismatched prototype ... # [ 100.038021] 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 / #