[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 192.168.201.36 (12 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12110040/tftp-deploy-wixix1a8/kernel/zImage tftp 0x10000000 12110040/tftp-deploy-wixix1a8/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '12110040/tftp-deploy-wixix1a8/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 5.8 MiB/s done Bytes transferred = 12546560 (bf7200 hex) => tftp 0x14000000 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ##### 5.8 MiB/s done Bytes transferred = 15340289 (ea1301 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15340225 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 13f0d6a4 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.202-cip41 (KernelCI@build-j27074-arm-gcc-10-multi-v7-defconfig-kselftest-b4m4j) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Nov 28 22:16:48 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/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61564K 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 56135 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>[ 0.000010] 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>[ 0.023001] Console: colour dummy device 80x30 <4>[ 0.024907] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032914] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037259] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041671] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046309] ... CLASSHASH_SIZE: 4096 <4>[ 0.050893] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055615] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060288] ... CHAINHASH_SIZE: 32768 <4>[ 0.064986] memory used by lock dependency info: 4061 kB <4>[ 0.070667] memory used for stack traces: 2112 kB <4>[ 0.075711] per task-struct memory footprint: 1536 bytes <6>[ 0.081402] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091815] CPU: Testing write buffer coherency: ok <6>[ 0.096950] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102226] pid_max: default: 32768 minimum: 301 <6>[ 0.107422] LSM: Security Framework initializing <6>[ 0.112045] LSM support for eBPF active <6>[ 0.116198] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123648] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135091] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141600] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147980] rcu: Hierarchical SRCU implementation. <6>[ 0.159329] EFI services will not be available. <6>[ 0.162377] smp: Bringing up secondary CPUs ... <6>[ 0.168878] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168895] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180645] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180660] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192056] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192071] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201073] smp: Brought up 1 node, 4 CPUs <6>[ 0.204816] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211354] CPU: All CPU(s) started in SVC mode. <6>[ 0.218584] devtmpfs: initialized <6>[ 0.266716] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274189] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282074] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293793] pinctrl core: initialized pinctrl subsystem <6>[ 0.302766] DMI not present or invalid. <6>[ 0.306205] NET: Registered protocol family 16 <6>[ 0.318166] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.330930] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.331428] cpuidle: using governor menu <6>[ 0.339551] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.987979] vdd1p1: supplied by regulator-dummy <6>[ 1.017306] vdd3p0: supplied by regulator-dummy <6>[ 1.046257] vdd2p5: supplied by regulator-dummy <6>[ 1.075134] vddarm: supplied by regulator-dummy <6>[ 1.104827] vddpu: supplied by regulator-dummy <6>[ 1.133132] vddsoc: supplied by regulator-dummy <6>[ 2.286413] No ATAGs? <6>[ 2.287231] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.294387] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.317481] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.347147] Serial: AMBA PL011 UART driver <6>[ 2.403787] Kprobes globally optimized <6>[ 2.507185] iommu: Default domain type: Translated <6>[ 2.511634] vgaarb: loaded <5>[ 2.516747] SCSI subsystem initialized <6>[ 2.520157] usbcore: registered new interface driver usbfs <6>[ 2.523901] usbcore: registered new interface driver hub <6>[ 2.529462] usbcore: registered new device driver usb <6>[ 2.541280] i2c i2c-0: IMX I2C adapter registered <6>[ 2.549516] i2c i2c-1: IMX I2C adapter registered <6>[ 2.555654] i2c i2c-2: IMX I2C adapter registered <6>[ 2.561904] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.564301] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.573803] PTP clock support registered <6>[ 2.593935] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.342565] NET: Registered protocol family 2 <6>[ 4.345157] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.355038] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.361051] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.369158] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.377864] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.384366] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.390958] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.397845] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.405579] NET: Registered protocol family 1 <6>[ 4.411973] RPC: Registered named UNIX socket transport module. <6>[ 4.415747] RPC: Registered udp transport module. <6>[ 4.420612] RPC: Registered tcp transport module. <6>[ 4.425617] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.432276] NET: Registered protocol family 44 <6>[ 4.437034] PCI: CLS 0 bytes, default 64 <6>[ 4.443272] Trying to unpack rootfs image as initramfs... <6>[ 6.230432] Freeing initrd memory: 14984K <4>[ 6.232800] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.240625] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.255712] Initialise system trusted keyrings <6>[ 6.258486] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.307290] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.313768] NFS: Registering the id_resolver key type <5>[ 6.316423] Key type id_resolver registered <5>[ 6.320703] Key type id_legacy registered <6>[ 6.325531] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.331975] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.339782] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.346079] Key type asymmetric registered <5>[ 6.348608] Asymmetric key parser 'x509' registered <6>[ 6.354056] bounce: pool size: 64 pages <6>[ 6.357866] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.365523] io scheduler mq-deadline registered <6>[ 6.370196] io scheduler kyber registered <4>[ 6.375317] test_firmware: interface ready <6>[ 6.536858] mxs-dma 110000.dma-controller: initialized <4>[ 6.596778] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.604855] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.811481] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.833282] SuperH (H)SCI(F) driver initialized <6>[ 6.837981] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.848663] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.855193] printk: console [ttymxc1] enabled <6>[ 6.855193] printk: console [ttymxc1] enabled <6>[ 6.864002] printk: bootconsole [ec_imx21] disabled <6>[ 6.864002] printk: bootconsole [ec_imx21] disabled <6>[ 6.880165] msm_serial: driver initialized <6>[ 6.885616] STMicroelectronics ASC driver initialized <6>[ 6.896935] STM32 USART driver initialized <6>[ 6.921902] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.942201] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.950760] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.958649] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.007981] brd: module loaded <6>[ 7.052755] loop: module loaded <6>[ 7.059063] lkdtm: No crash points registered, enable through debugfs <6>[ 7.079844] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.088137] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.096493] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.105013] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.113231] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.121589] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.129557] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.141130] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.148486] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.157619] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.171699] scsi host0: ahci-imx <6>[ 7.177342] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.236593] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.249919] pps pps0: new PPS source ptp0 <6>[ 7.292817] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.303339] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.308643] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.315108] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.320795] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.346707] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.354582] usbcore: registered new interface driver pegasus <6>[ 7.360730] usbcore: registered new interface driver asix <6>[ 7.366596] usbcore: registered new interface driver ax88179_178a <6>[ 7.373103] usbcore: registered new interface driver cdc_ether <6>[ 7.379458] usbcore: registered new interface driver smsc75xx <6>[ 7.385734] usbcore: registered new interface driver smsc95xx <6>[ 7.391897] usbcore: registered new interface driver net1080 <6>[ 7.398027] usbcore: registered new interface driver cdc_subset <6>[ 7.404405] usbcore: registered new interface driver zaurus <6>[ 7.410496] usbcore: registered new interface driver cdc_ncm <6>[ 7.428244] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.435173] ehci-pci: EHCI PCI platform driver <6>[ 7.440047] ehci-platform: EHCI generic platform driver <6>[ 7.446537] ehci-orion: EHCI orion driver <6>[ 7.451648] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.456776] ehci-st: EHCI STMicroelectronics driver <6>[ 7.462707] ehci-exynos: EHCI Exynos driver <6>[ 7.467992] ehci-atmel: EHCI Atmel driver <6>[ 7.473052] tegra-ehci: Tegra EHCI driver <6>[ 7.478202] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.484778] ohci-pci: OHCI PCI platform driver <6>[ 7.489649] ohci-platform: OHCI generic platform driver <6>[ 7.496069] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.501149] ohci-st: OHCI STMicroelectronics driver <6>[ 7.507135] ohci-atmel: OHCI Atmel driver <6>[ 7.515425] usbcore: registered new interface driver usb-storage <6>[ 7.526296] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.532316] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.538946] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.551494] i2c /dev entries driver <6>[ 7.629979] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.636499] sdhci: Copyright(c) Pierre Ossman <6>[ 7.649962] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.663024] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.672580] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.672590] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.683424] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.690124] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.699932] usbcore: registered new interface driver usbhid <6>[ 7.705856] usbhid: USB HID core driver <6>[ 7.711311] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.723944] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.732416] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.740614] IPv4 over IPsec tunneling driver <6>[ 7.749646] NET: Registered protocol family 10 <6>[ 7.759778] Segment Routing with IPv6 <6>[ 7.769341] NET: Registered protocol family 17 <6>[ 7.775803] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.781236] Key type dns_resolver registered <6>[ 7.799525] ThumbEE CPU extension supported. <5>[ 7.804191] Registering SWP/SWPB emulation handler <5>[ 7.812995] Loading compiled-in X.509 certificates <4>[ 7.968944] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.977525] panel-simple panel-lcd: Specify missing connector_type <6>[ 7.985220] mmc2: new high speed SDHC card at address aaaa <4>[ 7.990071] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.994326] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <4>[ 8.025851] imx_usb 2184200.usb: No over current polarity defined <4>[ 8.038720] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 8.038752] ci_hdrc ci_hdrc.1: EHCI Host Controller <4>[ 8.046592] GPT:7812499 != 31116287 <4>[ 8.046612] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.046624] GPT:7812499 != 31116287 <4>[ 8.046636] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.046699] mmcblk2: p1 p2 p3 <6>[ 8.052103] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.103844] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.115968] hub 1-0:1.0: USB hub found <6>[ 8.120554] hub 1-0:1.0: 1 port detected <6>[ 8.138026] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.168003] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.176473] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.188886] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.216761] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.225274] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.237955] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.255764] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.281861] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.290410] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.302887] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.323266] 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>[ 8.503998] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.712214] hub 1-1:1.0: USB hub found <6>[ 8.717274] hub 1-1:1.0: 3 ports detected <4>[ 8.746522] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.754967] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.767566] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.455540] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.473907] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.504961] Sending DHCP requests ., OK <6>[ 11.548798] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.36 <6>[ 11.557345] IP-Config: Complete: <6>[ 11.560911] device=eth0, hwaddr=00:19:b8:08:f1:1c, ipaddr=192.168.201.36, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.571783] host=imx6q-sabrelite-lava-cbg-6, domain=lava-rack, nis-domain=(none) <6>[ 11.580036] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.580077] nameserver0=192.168.201.1 <6>[ 11.644065] Freeing unused kernel memory: 2048K <6>[ 11.666701] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.162658] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.189550] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.201516] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.215036] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.249592] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.287694] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.296288] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.305515] CAN device driver interface <4>[ 15.309276] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.363776] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.396270] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.426171] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <4>[ 15.429931] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.438726] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.453361] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.460251] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.473952] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.481389] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.487931] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.496877] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.523926] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.531931] caam 2100000.crypto: Entropy delay = 3200 <4>[ 15.532645] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.555583] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.598137] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.600298] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.612578] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.621585] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.632052] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.658899] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.664407] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <4>[ 15.670135] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.671312] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.681890] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.706330] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.739914] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.748930] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.757777] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.766632] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.792334] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.814196] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <6>[ 15.822644] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 15.823204] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.847219] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.859696] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.873450] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.884264] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.902956] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.957851] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.966778] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.975887] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.984686] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.060103] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.068680] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.084647] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.107823] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.116642] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.125395] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.134103] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.432053] caam algorithms registered in /proc/crypto <6>[ 16.462794] caam 2100000.crypto: registering rng-caam <4>[ 16.490104] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.498668] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.511553] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.545194] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.553959] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.562669] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.571493] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.618019] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.626595] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.652640] panel-simple panel-lvds0: supply power not found, using dummy regulator <5>[ 16.663533] random: crng init done <6>[ 16.686416] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.695160] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.703876] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.712493] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:1c mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.36 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-6 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 18.440543] systemd[1]: System time before build time, advancing clock. <30>[ 18.659899] 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>[ 18.696445] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 18.747472] systemd[1]: Set hostname to . <30>[ 20.113005] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.127138] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.168568] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.218578] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.257733] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.307593] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.356757] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.405442] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.419338] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.454519] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 20.494797] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 20.534360] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 20.574701] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 20.629049] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 20.722240] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 20.735805] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 20.777484] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 20.820347] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 20.874177] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 20.920022] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 20.939670] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 20.949209] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 20.968653] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.021871] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.090860] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.158736] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.226729] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.276642] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.360403] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 21.376439] fuse: init (API version 7.32) <30>[ 21.399075] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 21.453204] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.513049] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 21.573237] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 21.611900] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 21.656107] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 21.711605] 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>[ 21.802184] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 21.813252] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 21.869080] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 21.878826] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 21.929373] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 21.939186] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 21.988848] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.028784] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.095359] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 22.152169] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 22.211749] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 22.221730] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 22.239764] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 22.282740] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 22.344851] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 22.401510] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 22.798393] systemd-journald[281]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... 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 Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Finished Coldplug All udev Devices. [ OK ] Found device /dev/ttymxc1. [ 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 ] 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 5.10.202-cip41 #1 SMP Tue Nov 28 22:16:48 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/12110040/extract-nfsrootfs-ww3wlk5b' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b' / # 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-12110040/environment . /lava-12110040/environment / # /lava-12110040/bin/lava-test-runner /lava-12110040/0 /lava-12110040/bin/lava-test-runner /lava-12110040/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12110040/0/tests/0_timesync-off ++ cat uuid + UUID=12110040_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-12110040/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12110040_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/v5.10.201-cip41-197-g2d08925b44e52/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 --2023-11-28 22:38:08-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/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: 1410712 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 114KB/s kselftest.tar.xz 4%[ ] 63.36K 124KB/s kselftest.tar.xz 7%[> ] 105.30K 117KB/s kselftest.tar.xz 10%[=> ] 137.82K 119KB/s kselftest.tar.xz 11%[=> ] 165.17K 117KB/s kselftest.tar.xz 13%[=> ] 187.80K 110KB/s kselftest.tar.xz 15%[==> ] 216.08K 109KB/s kselftest.tar.xz 17%[==> ] 244.36K 109KB/s kselftest.tar.xz 19%[==> ] 275.47K 111KB/s kselftest.tar.xz 22%[===> ] 311.75K 113KB/s kselftest.tar.xz 25%[====> ] 347.59K 116KB/s eta 9s kselftest.tar.xz 27%[====> ] 376.80K 115KB/s eta 9s kselftest.tar.xz 29%[====> ] 402.74K 114KB/s eta 9s kselftest.tar.xz 31%[=====> ] 435.26K 115KB/s eta 9s kselftest.tar.xz 34%[=====> ] 473.44K 117KB/s eta 8s kselftest.tar.xz 37%[======> ] 512.55K 119KB/s eta 8s kselftest.tar.xz 39%[======> ] 548.39K 120KB/s eta 8s kselftest.tar.xz 42%[=======> ] 586.57K 122KB/s eta 8s 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'kselftest.tar.xz' saved [1410712/1410712] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 60.462902] 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>[ 61.409405] lkdtm: Performing direct entry BUG <4>[ 61.414503] ------------[ cut here ]------------ <2>[ 61.419392] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 61.424883] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 61.430288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 61.459580] CPU: 0 PID: 707 Comm: cat Not tainted 5.10.202-cip41 #1 <4>[ 61.466112] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 61.472916] PC is at lkdtm_BUG+0x14/0x18 <4>[ 61.477108] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 61.481818] pc : [] lr : [] psr: a00e0013 <4>[ 61.488349] sp : c6f09e58 ip : c6f09e68 fp : c6f09e64 <4>[ 61.493841] r10: 00000004 r9 : c1ad5430 r8 : c15ebd0c <4>[ 61.499330] r7 : c6f09f60 r6 : 00000004 r5 : c6cb9000 r4 : 00000001 <4>[ 61.506123] r3 : c0c577e8 r2 : affd1413 r1 : ef7815e0 r0 : c15ebd14 <4>[ 61.512917] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 61.520318] Control: 10c5387d Table: 16f5004a DAC: 00000051 <0>[ 61.526331] Process cat (pid: 707, stack limit = 0x7b95b698) <0>[ 61.532257] Stack: (0xc6f09e58 to 0xc6f0a000) <0>[ 61.536882] 9e40: c6f09e74 c6f09e68 <0>[ 61.545328] 9e60: c0c5727c c0c577f4 c6f09e9c c6f09e78 c0c5777c c0c5725c c0c5765c c5b97680 <0>[ 61.553775] 9e80: b6e74000 00000004 c53900c0 c6f09f60 c6f09ec4 c6f09ea0 c07e1728 c0c57668 <0>[ 61.562221] 9ea0: 00000000 c5b97680 b6e74000 c2815800 c6f09f60 c07e16c4 c6f09f5c c6f09ec8 <0>[ 61.570667] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f08000 <0>[ 61.579113] 9ee0: b6e74000 00020000 00000004 00000004 0001fffc c6f09ee0 00000001 b6e73000 <0>[ 61.587558] 9f00: c5a7ec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 61.596004] 9f20: 00000000 00000000 c13dc868 affd1413 c206c120 c5b97680 c5b97680 c6f08000 <0>[ 61.604450] 9f40: b6e74000 00000000 00000000 00000004 c6f09f94 c6f09f60 c059c020 c059b974 <0>[ 61.612896] 9f60: 00000000 00000000 c6f09fac affd1413 00000004 00000004 b6fbbe00 00000004 <0>[ 61.621342] 9f80: c03002e4 c6f08000 c6f09fa4 c6f09f98 c059c0b0 c059bfb8 00000000 c6f09fa8 <0>[ 61.629786] 9fa0: c03000c0 c059c0a4 00000004 00000004 00000001 b6e74000 00000004 00000000 <0>[ 61.638232] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4 <0>[ 61.646676] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000 <0>[ 61.655115] Backtrace: <0>[ 61.657839] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 61.665679] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 61.673959] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 61.682145] r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c <0>[ 61.690164] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 61.698263] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000 <0>[ 61.706276] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 61.713679] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680 <0>[ 61.721773] r4:c5b97680 <0>[ 61.724577] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 61.731980] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004 <0>[ 61.739994] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 61.747827] Exception stack(0xc6f09fa8 to 0xc6f09ff0) <0>[ 61.753146] 9fa0: 00000004 00000004 00000001 b6e74000 00000004 00000000 <0>[ 61.761590] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4 <0>[ 61.770032] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 <0>[ 61.775354] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 61.781718] ---[ end trace 77357beb01f1e264 ]--- <3>[ 61.786604] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.795743] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 707, name: cat <4>[ 61.803662] INFO: lockdep is turned off. <4>[ 61.807849] irq event stamp: 1624 <4>[ 61.811439] hardirqs last enabled at (1623): [] console_unlock+0x4b0/0x6c0 <4>[ 61.819538] hardirqs last disabled at (1624): [] __und_svc+0x60/0x6c <4>[ 61.827028] softirqs last enabled at (1620): [] __do_softirq+0x36c/0x5a0 <4>[ 61.834953] softirqs last disabled at (1603): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 61.843052] CPU: 0 PID: 707 Comm: cat Tainted: G D 5.10.202-cip41 #1 <4>[ 61.850972] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 61.857762] Backtrace: <4>[ 61.860486] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 61.868323] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 61.874254] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 61.881838] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 61.889850] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1718 r4:c6f08000 <4>[ 61.897863] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 61.905960] r6:00000000 r5:00000031 r4:c19d1718 <4>[ 61.910853] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 61.918863] r6:00000001 r5:c6f08000 r4:c692ec00 <4>[ 61.923757] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 61.931334] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c692ec00 <4>[ 61.938307] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 61.945880] r7:c1e1cb0c <4>[ 61.948689] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 61.956092] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 61.963408] r10:00000004 r9:c6f08000 r8:c15ebd0c r7:00000000 r6:c6f09dc8 r5:c0c577fc <4>[ 61.971501] r4:e7f001f2 <4>[ 61.974305] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 61.982485] Exception stack(0xc6f09dc8 to 0xc6f09e10) <4>[ 61.987805] 9dc0: c15ebd14 ef7815e0 affd1413 c0c577e8 00000001 c6cb9000 <4>[ 61.996250] 9de0: 00000004 c6f09f60 c15ebd0c c1ad5430 00000004 c6f09e64 c6f09e68 c6f09e58 <4>[ 62.004693] 9e00: c0c5727c c0c577fc a00e0013 ffffffff <4>[ 62.010011] r7:c6f09dfc r6:ffffffff r5:a00e0013 r4:c0c57800 <4>[ 62.015940] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 62.023778] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 62.032053] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 62.040238] r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c <4>[ 62.048253] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 62.056350] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000 <4>[ 62.064363] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 62.071765] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680 <4>[ 62.079858] r4:c5b97680 <4>[ 62.082660] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 62.090063] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004 <4>[ 62.098074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 62.105907] Exception stack(0xc6f09fa8 to 0xc6f09ff0) <4>[ 62.111226] 9fa0: 00000004 00000004 00000001 b6e74000 00000004 00000000 <4>[ 62.119671] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4 <4>[ 62.128113] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 # Segmentation fault # [ 61.409405] lkdtm: Performing direct entry BUG # [ 61.414503] ------------[ cut here ]------------ # [ 61.419392] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 61.424883] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 61.430288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 61.459580] CPU: 0 PID: 707 Comm: cat Not tainted 5.10.202-cip41 #1 # [ 61.466112] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 61.472916] PC is at lkdtm_BUG+0x14/0x18 # [ 61.477108] LR is at lkdtm_do_action+0x2c/0x4c # [ 61.481818] pc : [] lr : [] psr: a00e0013 # [ 61.488349] sp : c6f09e58 ip : c6f09e68 fp : c6f09e64 # [ 61.493841] r10: 00000004 r9 : c1ad5430 r8 : c15ebd0c # [ 61.499330] r7 : c6f09f60 r6 : 00000004 r5 : c6cb9000 r4 : 00000001 # [ 61.506123] r3 : c0c577e8 r2 : affd1413 r1 : ef7815e0 r0 : c15ebd14 # [ 61.512917] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 61.520318] Control: 10c5387d Table: 16f5004a DAC: 00000051 # [ 61.526331] Process cat (pid: 707, stack limit = 0x7b95b698) # [ 61.532257] Stack: (0xc6f09e58 to 0xc6f0a000) # [ 61.536882] 9e40: c6f09e74 c6f09e68 # [ 61.545328] 9e60: c0c5727c c0c577f4 c6f09e9c c6f09e78 c0c5777c c0c5725c c0c5765c c5b97680 # [ 61.553775] 9e80: b6e74000 00000004 c53900c0 c6f09f60 c6f09ec4 c6f09ea0 c07e1728 c0c57668 # [ 61.562221] 9ea0: 00000000 c5b97680 b6e74000 c2815800 c6f09f60 c07e16c4 c6f09f5c c6f09ec8 # [ 61.570667] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f08000 # [ 61.579113] 9ee0: b6e74000 00020000 00000004 00000004 0001fffc c6f09ee0 00000001 b6e73000 # [ 61.587558] 9f00: c5a7ec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 61.596004] 9f20: 00000000 00000000 c13dc868 affd1413 c206c120 c5b97680 c5b97680 c6f08000 # [ 61.604450] 9f40: b6e74000 00000000 00000000 00000004 c6f09f94 c6f09f60 c059c020 c059b974 # [ 61.612896] 9f60: 00000000 00000000 c6f09fac affd1413 00000004 00000004 b6fbbe00 00000004 # [ 61.621342] 9f80: c03002e4 c6f08000 c6f09fa4 c6f09f98 c059c0b0 c059bfb8 00000000 c6f09fa8 # [ 61.629786] 9fa0: c03000c0 c059c0a4 00000004 00000004 00000001 b6e74000 00000004 00000000 # [ 61.638232] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4 # [ 61.646676] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000 # [ 61.655115] Backtrace: # [ 61.657839] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 61.665679] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 61.673959] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 61.682145] r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c # [ 61.690164] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 61.698263] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000 # [ 61.706276] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 61.713679] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680 # [ 61.721773] r4:c5b97680 # [ 61.724577] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 61.731980] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004 # [ 61.739994] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 61.747827] Exception stack(0xc6f09fa8 to 0xc6f09ff0) # [ 61.753146] 9fa0: 00000004 00000004 00000001 b6e74000 00000004 00000000 # [ 61.761590] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4 # [ 61.770032] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 # [ 61.775354] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 61.781718] ---[ end trace 77357beb01f1e264 ]--- # [ 61.786604] BUG: sleeping function called from invalid context at i<6>[ 62.606623] lkdtm: Performing direct entry WARNING nclude/linux/percpu-rwsem.h:49 #<4>[ 62.613500] ------------[ cut here ]------------ [ 61.795743] in_atomic(): 0, i<4>[ 62.621445] WARNING: CPU: 2 PID: 779 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c rqs_disabled(): 128, non_block: 0<4>[ 62.632882] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 , pid: 707, name: cat # [ 61.8<4>[ 62.664971] CPU: 2 PID: 779 Comm: cat Tainted: G D W 5.10.202-cip41 #1 03662] INFO: lockdep is turned of<4>[ 62.675566] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) f. # [ 61.807849] irq event st<4>[ 62.685216] Backtrace: amp: 1624 # [ 61.811439] hardi<4>[ 62.690799] [] (dump_backtrace) from [] (show_stack+0x20/0x24) rqs last enabled at (1623): [[ 62.701482] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 3d6868>] console_unlock+0x4b0/0x6<4>[ 62.710269] [] (show_stack) from [] (dump_stack+0xe0/0x100) c0 # [ 61.819538] hardirqs las<4>[ 62.720704] [] (dump_stack) from [] (__warn+0x98/0x14c) t disabled at (1624): [<4>[ 62.730782] r9:00000009 r8:c0c57848 r7:00000053 r6:00000009 r5:c0c57848 r4:c1ad5aec ] __und_svc+0x60/0x6c # [ 61.8<4>[ 62.741649] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 27028] softirqs last enabled at <4>[ 62.752251] r7:00000053 r6:c1ad5aec r5:00000000 r4:c6e02000 (1620): [] __do_softirq<4>[ 62.761039] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) +0x36c/0x5a0 # [ 61.834953] so<4>[ 62.772249] r9:c1ad5434 r8:c15ebd0c r7:c6e03f60 r6:00000008 r5:c688a000 r4:00000002 ftirqs last disabled at (1603): [<4>[ 62.783115] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ] __irq_exit_rcu+0x178/<4>[ 62.794154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0x1d0 # [ 61.843052] CPU: 0 PI<4>[ 62.805286] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) D: 707 Comm: cat Tainted: G <4>[ 62.816321] r9:c6e03f60 r8:c53900c0 r7:00000008 r6:b6e7c000 r5:c5a7e640 r4:c0c5765c D 5.10.202-cip41 #1 # <4>[ 62.827196] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 61.850972] Hardware name: Fre<4>[ 62.838141] r9:c07e16c4 r8:c6e03f60 r7:c2815800 r6:b6e7c000 r5:c5a7e640 r4:00000000 escale i.MX6 Quad/DualLite (Devic<4>[ 62.849009] [] (vfs_write) from [] (ksys_write+0x74/0xec) e Tree) # [ 61.857762] Backtra<4>[ 62.859268] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6e02000 r5:c5a7e640 ce: # [ 61.860486] [[ 62.870215] r4:c5a7e640 >] (dump_backtrace) from [[ 62.875879] [] (ksys_write) from [] (sys_write+0x18/0x1c) 38>] (show_stack+0x20/0x24) # [ <4>[ 62.886136] r9:c6e02000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000008 r4:00000008 61.868323] r7:ffffffff r6:600e<4>[ 62.897005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 0093 r5:00000000 r4:c1f1d0b8 # [<4>[ 62.907691] Exception stack(0xc6e03fa8 to 0xc6e03ff0) 61.874254] [] (show_<4>[ 62.915871] 3fa0: 00000008 00000008 00000001 b6e7c000 00000008 00000000 stack) from [] (dump_st<4>[ 62.927173] 3fc0: 00000008 00000008 b6fc3e00 00000004 00000001 00000000 00020000 bef29ac4 ack+0xe0/0x100) # [ 61.881838]<4>[ 62.938472] 3fe0: 00000004 bef297f8 b6f2dd8f b6eb47e6 [] (dump_stack) from [<4>[ 62.946714] irq event stamp: 0 ] (___might_sleep+0x188<4>[ 62.952832] hardirqs last enabled at (0): [<00000000>] 0x0 /0x2e0) # [ 61.889850] r9:600<4>[ 62.961565] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac e0093 r8:0000000b r7:c035c468 r6:<4>[ 62.972166] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 00000031 r5:c19d1718 r4:c6f08000 <4>[ 62.982771] softirqs last disabled at (0): [<00000000>] 0x0 # [ 61.897863] [] (_<4>[ 62.991463] ---[ end trace 77357beb01f1e265 ]--- __might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 61.905960] r6:00000000 r5:00000031 r4:c19d1718 # [ 61.910853] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 61.918863] r6:00000001 r5:c6f08000 r4:c692ec00 # [ 61.923757] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 61.931334] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c692ec00 # [ 61.938307] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 61.945880] r7:c1e1cb0c # [ 61.948689] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 61.956092] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 61.963408] r10:00000004 r9:c6f08000 r8:c15ebd0c r7:00000000 r6:c6f09dc8 r5:c0c577fc # [ 61.971501] r4:e7f001f2 # [ 61.974305] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 61.982485] Exception stack(0xc6f09dc8 to 0xc6f09e10) # [ 61.987805] 9dc0: c15ebd14 ef7815e0 affd1413 c0c577e8 00000001 c6cb9000 # [ 61.996250] 9de0: 00000004 c6f09f60 c15ebd0c c1ad5430 00000004 c6f09e64 c6f09e68 c6f09e58 # [ 62.004693] 9e00: c0c5727c c0c577fc a00e0013 ffffffff # [ 62.010011] r7:c6f09dfc r6:ffffffff r5:a00e0013 r4:c0c57800 # [ 62.015940] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.023778] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.032053] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.040238] r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c # [ 62.048253] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.056350] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000 # [ 62.064363] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.071765] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680 # [ 62.079858] r4:c5b97680 # [ 62.082660] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.090063] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004 # [ 62.098074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.105907] Exception stack(0xc6f09fa8 to 0xc6f09ff0) # [ 62.111226] 9fa0: 00000004 00000004 00000001 b6e74000 00000004 00000000 # [ 62.119671] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4 # [ 62.128113] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 62.606623] lkdtm: Performing direct entry WARNING # [ 62.613500] ------------[ cut here ]------------ # [ 62.621445] WARNING: CPU: 2 PID: 779 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 62.632882] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 62.664971] CPU: 2 PID: 779 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 62.675566] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.685216] Backtrace: # [ 62.690799] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 62.701482] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 62.710269] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 62.720704] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 62.730782] r9:00000009 r8:c0c57848 r7:00<6>[ 63.331522] lkdtm: Performing direct entry WARNING_MESSAGE 000053 r6:00000009 r5:c0c57848 r4<4>[ 63.338878] ------------[ cut here ]------------ :c1ad5aec # [ 62.741649] [[ 63.346792] WARNING: CPU: 0 PID: 815 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 56730>] (__warn) from [<4>[ 63.358982] Warning message trigger count: 2 ] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 63.367606] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 62.752251] r7:00000053 r6:<4>[ 63.399347] CPU: 0 PID: 815 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 63.409131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.415924] Backtrace: <4>[ 63.418655] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 63.426495] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 63.432427] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 63.440013] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 63.447245] r9:00000009 r8:c0c57898 r7:00000058 r6:00000009 r5:c0c57898 r4:c1ad5aec <4>[ 63.455259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 63.463010] r7:00000058 r6:c1ad5aec r5:c1ad5b08 r4:c2fb2000 <4>[ 63.468945] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) <4>[ 63.477998] r9:c1ad543c r8:c15ebd0c r7:c2fb3f60 r6:00000010 r5:c5b2d000 r4:00000003 <4>[ 63.486013] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 63.494895] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 63.503174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 63.511361] r9:c2fb3f60 r8:c53900c0 r7:00000010 r6:b6e3d000 r5:c596ba40 r4:c0c5765c <4>[ 63.519381] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 63.527480] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e3d000 r5:c596ba40 r4:00000000 <4>[ 63.535493] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 63.542898] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c2fb2000 r5:c596ba40 <4>[ 63.550993] r4:c596ba40 <4>[ 63.553800] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 63.561204] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000010 r4:00000010 <4>[ 63.569220] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 63.577054] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) <4>[ 63.582374] 3fa0: 00000010 00000010 00000001 b6e3d000 00000010 00000000 <4>[ 63.590822] 3fc0: 00000010 00000010 b6f84e00 00000004 00000001 00000000 00020000 be8beac4 <4>[ 63.599264] 3fe0: 00000004 be8be7f8 b6eeed8f b6e757e6 c1ad5aec r5:00000000 r4:c6e02000 <4>[ 63.604642] irq event stamp: 0 # [ 62.761039] [] (w<4>[ 63.610827] hardirqs last enabled at (0): [<00000000>] 0x0 arn_slowpath_fmt) from [[ 63.619543] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac >] (lkdtm_WARNING+0x48/0x4c) # [<4>[ 63.630163] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 62.772249] r9:c1ad5434 r8:c15<4>[ 63.640782] softirqs last disabled at (0): [<00000000>] 0x0 ebd0c r7:c6e03f60 r6:00000008 r5:<4>[ 63.649490] ---[ end trace 77357beb01f1e266 ]--- c688a000 r4:00000002 # [ 62.783115] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.794154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.805286] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.816321] r9:c6e03f60 r8:c53900c0 r7:00000008 r6:b6e7c000 r5:c5a7e640 r4:c0c5765c # [ 62.827196] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.838141] r9:c07e16c4 r8:c6e03f60 r7:c2815800 r6:b6e7c000 r5:c5a7e640 r4:00000000 # [ 62.849009] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.859268] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6e02000 r5:c5a7e640 # [ 62.870215] r4:c5a7e640 # [ 62.875879] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.886136] r9:c6e02000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000008 r4:00000008 # [ 62.897005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.907691] Exception stack(0xc6e03fa8 to 0xc6e03ff0) # [ 62.915871] 3fa0: 00000008 00000008 00000001 b6e7c000 00000008 00000000 # [ 62.927173] 3fc0: 00000008 00000008 b6fc3e00 00000004 00000001 00000000 00020000 bef29ac4 # [ 62.938472] 3fe0: 00000004 bef297f8 b6f2dd8f b6eb47e6 # [ 62.946714] irq event stamp: 0 # [ 62.952832] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 62.961565] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 62.972166] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 62.982771] softirqs last disabled at (0): [<00000000>] 0x0 # [ 62.991463] ---[ end trace 77357beb01f1e265 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 63.331522] lkdtm: Performing direct entry WARNING_MESSAGE # [ 63.338878] ------------[ cut here ]------------ # [ 63.346792] WARNING: CPU: 0 PID: 815 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 63.358982] Warning message trigger count: 2 # [ 63.367606] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 63.399347] CPU: 0 PID: 815 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 63.409131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.415924] Backtrace: # [ 63.418655] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 63.426495] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 63.432427] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 63.440013] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 63.447245] r9:00000009 r8:c0c57898 r7:00000058 r6:00000009 r5:c0c57898 r4:c1ad5aec # [ 63.455259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 63.463010] r7:00000058 r6:c1ad5aec r5:c1ad5b08 r4:c2fb2000 # [ 63.468945] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 63.477998] r9:c1ad543c r8:c15ebd0c r7:c2fb3f60 r6:00000010 r5:c5b2d000 r4:00000003 # [ 63.486013] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.494895] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.503174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.511361] r9:c2fb3f60 r8:c53900c0 r7:00000010 r6:b6e3d000 r5:c596ba40 r4:c0c5765c # [ 63.519381] []<6>[ 63.990055] lkdtm: Performing direct entry EXCEPTION (full_proxy_write) from [[ 63.996398] 8<--- cut here --- 74>] (vfs_write+0x10c/0x<513>c[) 64.002481] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 63.527480] r9:c07e16c4 r8<1>[ 64.013413] pgd = 7b517063 :c2fb3f60 r7:c2815800 r6:b6e3d000<1>[ 64.019183] [00000000] *pgd=00000000 r5:c596ba40 r4:00000000 # [ 6<0>[ 64.025851] Internal error: Oops: 805 [#2] SMP ARM 3.535493] [] (vfs_write<4>[ 64.033726] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 ) from [] (y[s _ w64.065692] CPU: 2 PID: 848 Comm: cat Tainted: G D W 5.10.202-cip41 #1 rite+0x74/<04x>e[c ) 6#4 .[0 75859] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 63.542898] r10:00000004< 4r>9[: 64.084480] PC is at lkdtm_EXCEPTION+0x18/0x20 00000000 r8:00<040>0[0 0 0 6r47.091606] LR is at lkdtm_do_action+0x2c/0x4c b6e3d000 r6:f[ b 2 06040. 0r8303] pc : [] lr : [] psr: a00e0013 5:c596b0[ # 6[4 . 1 066350] sp : c6b69e58 ip : c6b69e68 fp : c6b69e64 .550993] < 4r>4[: c 5 9664b.a1410785] r10: 0000000a r9 : c1ad544c r8 : c15ebd0c # [ 63.5<543>8[0 0 ]6 4[.<1c1005] r7 : c6b69f60 r6 : 0000000a r5 : c6b60000 r4 : 00000004 059bfac>]< 4(>k[s y s _6w4r.i1t2e612] r3 : 00000000 r2 : f4c0cd69 r1 : ef7ab5e0 r0 : c15ebd2c ) from [0[b 0 > ]6 4(.s138135] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none s_write+0x<148>/[0 x 16c4). 1 4#437] Control: 10c5387d Table: 146ec04a DAC: 00000051 [ 63.561204] :[c 2 f b62.155181] Process cat (pid: 848, stack limit = 0xa51ae8d1) 000 r8:c03<000>2[e 4 r674:.01063179] Stack: (0xc6b69e58 to 0xc6b6a000) 00004 r6:b6f840[ r 5 :6040.169621] 9e40: c6b69e74 c6b69e68 00010 r4:0000001<00 >[ # [6 4 180054] 9e60: c0c5727c c0c578ac c6b69e9c c6b69e78 c0c5777c c0c5725c c0c5765c c2fb0c80 63.569220] [9[c 0 9 86>4]190485] 9e80: b6dbd000 0000000a c53900c0 c6b69f60 c6b69ec4 c6b69ea0 c07e1728 c0c57668 (sys_write) fr [[ < c 06340200916] 9ea0: 00000000 c2fb0c80 b6dbd000 c2815800 c6b69f60 c07e16c4 c6b69f5c c6b69ec8 00c0>] (ret_fass[y s c a6l4l211348] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b68000 +0x0/0x28) # [ < 0 >[6 3 . 56747221779] 9ee0: b6dbd000 00020000 00000004 0000000a 0001fff6 c6b69ee0 00000001 b6dbc000 054] Exception stk[( 0 x c62.232211] 9f00: c5a7f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 fb3fa8 to 0xc2fb<30f>f[0 ) 6#4.242730] 9f20: 00000000 00000000 c13dc868 f4c0cd69 c206c120 c2fb0c80 c2fb0c80 c6b68000 [ 63.582374] 3f:[ 6 .253249] 9f40: b6dbd000 00000000 00000000 00000004 c6b69f94 c6b69f60 c059c020 c059b974 <000>0[0 0 0 1604 .263768] 9f60: 00000000 00000000 c6b69fac f4c0cd69 0000000a 0000000a b6f04e00 00000004 0000010 0000000<10 >b[6 e 3 d604.274199] 9f80: c03002e4 c6b68000 c6b69fa4 c6b69f98 c059c0b0 c059bfb8 00000000 c6b69fa8 0 00000010 0000<000>0[0 #6 4[284630] 9fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dbd000 0000000a 00000000 63.590822] 30[: 0 06040295063] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4 0010 00000010 b64[e 0 0 604.305494] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6 800e0030 00000001 00000000 00000000 000004 00000001 <000>0[0 0 0 0604.316006] Backtrace: 00020000 be8beac4 # [ < 06>3[. 64.320805] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) 99264] 3fe0: 00000004< 0b>e[8 b e64.331581] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 7f8 b6eeed8f b6e757e6 # [ < 0 >6 64.342104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 3.604642] irq eve [s t a m6p.352791] r9:c6b69f60 r8:c53900c0 r7:0000000a r6:b6dbd000 r5:c2fb0c80 r4:c0c5765c : 0 # [ 63.610827] hardis 64.362882] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) last enabled at< 0(>0[) : [6<.373481] r9:c07e16c4 r8:c6b69f60 r7:c2815800 r6:b6dbd000 r5:c2fb0c80 r4:00000000 00000000>] 0x0 # <[0 > [ 6 3 .64.383566] [] (vfs_write) from [] (ksys_write+0x74/0xec) 19543] hardirqs la [d i s a64.393128] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6b68000 r5:c2fb0c80 led at (<00)>:[ [ < c6043.543083380] r4:c2fb0c80 4>] copy_process+0x5/[0 x 1 64.407916] [] (ksys_write) from [] (sys_write+0x18/0x1c) ac # [ 63.6<300>1[6 3 ] 6s4o.417562] r9:c6b68000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:0000000a r4:0000000a tirqs last enabled at <(00>)[: 64.427565] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [>][ c o p6y4_.p4r3o728] Exception stack(0xc6b69fa8 to 0xc6b69ff0) cess+0x5f8/0x1d [ # [6 4 444778] 9fa0: 0000000a 0000000a 00000001 b6dbd000 0000000a 00000000 63.640782] st[i r q s6 4l.a55208] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4 st disabled a([0 ) : 6[4<.065554] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6 0000000>] 0x0 # <[0 > [ 6 3 .66.472776] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 49490] ---[ end trace 77357beb01f<4>[ 64.481271] ---[ end trace 77357beb01f1e267 ]--- 1e266 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 63.990055] lkdtm: Performing direct entry EXCEPTION # [ 63.996398] 8<--- cut here --- # [ 64.002481] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 64.013413] pgd = 7b517063 # [ 64.019183] [00000000] *pgd=00000000 # [ 64.025851] Internal error: Oops: 805 [#2] SMP ARM # [ 64.033726] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 64.065692] CPU: 2 PID: 848 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 64.075859] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.084480] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 64.091606] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.098303] pc : [] lr : [] psr: a00e0013 # [ 64.106650] sp : c6b69e58 ip : c6b69e68 fp : c6b69e64 # [ 64.113785] r10: 0000000a r9 : c1ad544c r8 : c15ebd0c # [ 64.121005] r7 : c6b69f60 r6 : 0000000a r5 : c6b60000 r4 : 00000004 # [ 64.129612] r3 : 00000000 r2 : f4c0cd69 r1 : ef7ab5e0 r0 : c15ebd2c # [ 64.138135] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 64.147437] Control: 10c5387d Table: 146ec04a DAC: 00000051 # [ 64.155181] Process cat (pid: 848, stack limit = 0xa51ae8d1) # [ 64.163179] Stack: (0xc6b69e58 to 0xc6b6a000) # [ 64.169621] 9e40: c6b69e74 c6b69e68 # [ 64.180054] 9e60: c0c5727c c0c578ac c6b69e9c c6b69e78 c0c5777c c0c5725c c0c5765c c2fb0c80 # [ 64.190485] 9e80: b6dbd000 0000000a c53900c0 c6b69f60 c6b69ec4 c6b69ea0 c07e1728 c0c57668 # [ 64.200916] 9ea0: 00000000 c2fb0c80 b6dbd000 c2815800 c6b69f60 c07e16c4 c6b69f5c c6b69ec8 # [ 64.211348] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b68000 # [ 64.221779] 9ee0: b6dbd000 00020000 00000004 0000000a 0001fff6 c6b69ee0 00000001 b6dbc000 # [ 64.232211] 9f00: c5a7f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 64.242730] 9f20: 00000000 00000000 c13dc868 f4c0cd69 c206c120 c2fb0c80 c2fb0c80 c6b68000 # [ 64.253249] 9f40: b6dbd000 00000000 00000000 00000004 c6b69f94 c6b69f60 c059c020 c059b974 # [ 64.263768] 9f60: 00000000 00000000 c6b69fac f4c0cd69 0000000a 0000000a b6f04e00 00000004 # [ 64.274199] 9f80: c03002e4 c6b68000 c6b69fa4 c6b69f98 c059c0b0 c059bfb8 00000000 c6b69fa8 # [ 64.284630] 9fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dbd000 0000000a 00000000 # [ 64.295063] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4 # [ 64.305494] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6 800e0030 00000001 00000000 00000000 # [ 64.316006] Backtrace: # [ 64.320805] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.331581] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.342104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.352791] r9:c6b69f60 r8:c53900c0 r7:0000000a r6:b6dbd000 r5:c2fb0c80 r4:c0c5765c # [ 64.362882] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.373481] r9:c07e16c4 r8:c6b69f60 r7:c2815800 r6:b6dbd000 r5:c2fb0c80 r4:00000000 # [ 64.383566] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.393128] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6b68000 r5:c2fb0c80 # [ 64.403380] r4:c2fb0c80 # [ 64.407916] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.417562] r9:c6b68000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:0000000a r4:0000000a # [ 64.427565] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.437728] Exception stack(0xc6b69fa8 to 0xc6b69ff0) # [ 64.444778] 9fa0: 0000000a 0000000a 00000001 b6dbd000 0000000a 00000000 # [ 64.455208] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4 # [ 64.465554] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6 # [ 64.472776] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 64.481271] ---[ end trace 77357beb01f1e267 ]--- # 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>[ 65.643302] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 65.649198] lkdtm: attempting good list addition <6>[ 65.654187] lkdtm: attempting corrupted list addition <3>[ 65.659543] lkdtm: list_add() corruption not detected! # [ 65.643302] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 65.649198] lkdtm: attempting good list addition # [ 65.654187] lkdtm: attempting corrupted list addition # [ 65.659543] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 66.001897] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 66.007824] lkdtm: attempting good list removal <6>[ 66.012625] lkdtm: attempting corrupted list removal <3>[ 66.018077] lkdtm: list_del() corruption not detected! # [ 66.001897] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 66.007824] lkdtm: attempting good list removal # [ 66.012625] lkdtm: attempting corrupted list removal # [ 66.018077] 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>[ 66.346977] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 66.353531] lkdtm: attempting bad read from page below current stack <3>[ 66.360242] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 66.346977] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 66.353531] lkdtm: attempting bad read from page below current stack # [ 66.360242] 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>[ 66.693845] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 66.700518] lkdtm: attempting bad read from page above current stack <3>[ 66.707208] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 66.693845] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 66.700518] lkdtm: attempting bad read from page above current stack # [ 66.707208] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 67.046981] lkdtm: Performing direct entry UNSET_SMEP <3>[ 67.052315] lkdtm: XFAIL: this test is x86_64-only # [ 67.046981] lkdtm: Performing direct entry UNSET_SMEP # [ 67.052315] 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>[ 67.372137] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 67.377747] lkdtm: XFAIL: this test is ia32-only # [ 67.372137] lkdtm: Performing direct entry DOUBLE_FAULT # [ 67.377747] 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>[ 67.698418] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 67.703907] lkdtm: XFAIL: this test is arm64-only # [ 67.698418] lkdtm: Performing direct entry CORRUPT_PAC # [ 67.703907] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 68.023376] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 68.030295] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 68.023376] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 68.030295] 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>[ 68.722046] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 68.728069] lkdtm: Value in memory before free: 12345678 <6>[ 68.733722] lkdtm: Attempting bad read from freed memory <6>[ 68.739311] lkdtm: Memory was not poisoned # [ 68.722046] lkdtm: Performing direct entry READ_AFTER_FREE # [ 68.728069] lkdtm: Value in memory before free: 12345678 # [ 68.733722] lkdtm: Attempting bad read from freed memory # [ 68.739311] 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>[ 69.266033] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 69.272332] lkdtm: Value in memory before free: 12345678 <6>[ 69.278019] lkdtm: Attempting to read from freed memory <6>[ 69.283520] lkdtm: Buddy page was not poisoned # [ 69.266033] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 69.272332] lkdtm: Value in memory before free: 12345678 # [ 69.278019] lkdtm: Attempting to read from freed memory # [ 69.283520] 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>[ 69.615401] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 69.621316] lkdtm: Attempting double slab free ... <4>[ 69.627099] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.636011] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.650915] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.667865] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.676483] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.685117] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.693722] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.704188] platform backlight-lcd: deferred probe pending <6>[ 69.710405] platform backlight-lvds: deferred probe pending <6>[ 69.716441] platform panel-lcd: deferred probe pending <6>[ 69.721883] platform panel-lvds0: deferred probe pending <6>[ 69.727512] platform disp0: deferred probe pending # [ 69.615401] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 69.621316] lkdtm: Attempting double slab free ... # [ 69.627099] panel-simple panel-lcd: supply power not found, using dummy regulator # [ 69.636011] panel-simple panel-lcd: Specify missing connector_type # [ 69.650915] panel-simple panel-lvds0: supply power not found, using dummy regulator # [ 69.667865] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) # [ 69.676483] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 70.020476] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 70.026434] lkdtm: Attempting cross-cache slab free ... # [ 70.020476] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 70.026434] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 70.352621] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 70.358490] lkdtm: Attempting non-Slab slab free ... # [ 70.352621] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 70.358490] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 71.421650] lkdtm: Performing direct entry EXEC_DATA <6>[ 71.427139] lkdtm: attempting ok execution at c0c57fec <6>[ 71.432584] lkdtm: attempting bad execution at c27069b4 <1>[ 71.438133] 8<--- cut here --- <1>[ 71.441468] Unable to handle kernel paging request at virtual address c27069b4 <1>[ 71.448975] pgd = 7e3059cc <1>[ 71.451967] [c27069b4] *pgd=1261141e(bad) <0>[ 71.456294] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 71.461805] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 71.491350] CPU: 0 PID: 1725 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 71.499376] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 71.506204] PC is at data_area+0x0/0x40 <4>[ 71.510340] LR is at execute_location+0xa4/0xb4 <4>[ 71.515157] pc : [] lr : [] psr: 600e0013 <4>[ 71.521707] sp : c6c65e38 ip : c6c65d40 fp : c6c65e54 <4>[ 71.527214] r10: 0000000a r9 : c1ad5630 r8 : c15ebd0c <4>[ 71.532722] r7 : c6c65f60 r6 : 00000001 r5 : c27069b4 r4 : c0c57fec <4>[ 71.539529] r3 : dc8725b3 r2 : dc8725b3 r1 : ef7815e0 r0 : 0000002b <4>[ 71.546342] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 71.553761] Control: 10c5387d Table: 168f804a DAC: 00000051 <0>[ 71.559793] Process cat (pid: 1725, stack limit = 0x0dfe12b0) <0>[ 71.565825] Stack: (0xc6c65e38 to 0xc6c66000) <0>[ 71.570470] 5e20: 0000001f c6d7e000 <0>[ 71.578942] 5e40: 0000000a c6c65f60 c6c65e64 c6c65e58 c13c74b4 c13c72b0 c6c65e74 c6c65e68 <0>[ 71.587411] 5e60: c0c5727c c13c749c c6c65e9c c6c65e78 c0c5777c c0c5725c c0c5765c c5a87040 <0>[ 71.595879] 5e80: b6ea9000 0000000a c53900c0 c6c65f60 c6c65ec4 c6c65ea0 c07e1728 c0c57668 <0>[ 71.604347] 5ea0: 00000000 c5a87040 b6ea9000 c2815800 c6c65f60 c07e16c4 c6c65f5c c6c65ec8 <0>[ 71.612817] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6c64000 <0>[ 71.621286] 5ee0: b6ea9000 00020000 00000004 0000000a 0001fff6 c6c65ee0 00000001 b6ea8000 <0>[ 71.629755] 5f00: c2fb0dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 71.638224] 5f20: 00000000 00000000 c13dc868 dc8725b3 c206c120 c5a87040 c5a87040 c6c64000 <0>[ 71.646693] 5f40: b6ea9000 00000000 00000000 00000004 c6c65f94 c6c65f60 c059c020 c059b974 <0>[ 71.655159] 5f60: 00000000 00000000 c6c65fac dc8725b3 0000000a 0000000a b6ff0e00 00000004 <0>[ 71.663626] 5f80: c03002e4 c6c64000 c6c65fa4 c6c65f98 c059c0b0 c059bfb8 00000000 c6c65fa8 <0>[ 71.672094] 5fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6ea9000 0000000a 00000000 <0>[ 71.680563] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4 <0>[ 71.689029] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6 800e0030 00000001 00000000 00000000 <0>[ 71.697485] Backtrace: <0>[ 71.700245] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 71.708715] r7:c6c65f60 r6:0000000a r5:c6d7e000 r4:0000001f <0>[ 71.714675] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.723061] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.731369] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.739582] r9:c6c65f60 r8:c53900c0 r7:0000000a r6:b6ea9000 r5:c5a87040 r4:c0c5765c <0>[ 71.747630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.755753] r9:c07e16c4 r8:c6c65f60 r7:c2815800 r6:b6ea9000 r5:c5a87040 r4:00000000 <0>[ 71.763792] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.771219] r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6c64000 r5:c5a87040 <0>[ 71.779328] r4:c5a87040 <0>[ 71.782158] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.789585] r9:c6c64000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:0000000a r4:0000000a <0>[ 71.797626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.805477] Exception stack(0xc6c65fa8 to 0xc6c65ff0) <0>[ 71.810817] 5fa0: 0000000a 0000000a 00000001 b6ea9000 0000000a 00000000 <0>[ 71.819286] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4 <0>[ 71.827747] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6 <0>[ 71.833091] Code: 00000000 c2fee900 c2fee9c0 c2feea80 (e1a0c00d) <4>[ 71.839475] ---[ end trace 77357beb01f1e268 ]--- # Segmentation fault # [ 71.421650] lkdtm: Performing direct entry EXEC_DATA # [ 71.427139] lkdtm: attempting ok execution at c0c57fec # [ 71.432584] lkdtm: attempting bad execution at c27069b4 # [ 71.438133] 8<--- cut here --- # [ 71.441468] Unable to handle kernel paging request at virtual address c27069b4 # [ 71.448975] pgd = 7e3059cc # [ 71.451967] [c27069b4] *pgd=1261141e(bad) # [ 71.456294] Internal error: Oops: 8000000d [#3] SMP ARM # [ 71.461805] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 71.491350] CPU: 0 PID: 1725 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 71.499376] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.506204] PC is at data_area+0x0/0x40 # [ 71.510340] LR is at execute_location+0xa4/0xb4 # [ 71.515157] pc : [] lr : [] psr: 600e0013 # [ 71.521707] sp : c6c65e38 ip : c6c65d40 fp : c6c65e54 # [ 71.527214] r10: 0000000a r9 : c1ad5630 r8 : c15ebd0c # [ 71.532722] r7 : c6c65f60 r6 : 00000001 r5 : c27069b4 r4 : c0c57fec # [ 71.539529] r3 : dc8725b3 r2 : dc8725b3 r1 : ef7815e0 r0 : 0000002b # [ 71.546342] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.553761] Control: 10c5387d Table: 168f804a DAC: 00000051 # [ 71.559793] Process cat (pid: 1725, stack limit = 0x0dfe12b0) # [ 71.565825] Stack: (0xc6c65e38 to 0xc6c66000) # [ 71.570470] 5e20: 0000001f c6d7e000 # [ 71.578942] 5e40: 0000000a c6c65f60 c6c65e64 c6c65e58 c13c74b4 c13c72b0 c6c65e74 c6c65e68 # [ 71.587411] 5e60: c0c5727c c13c749c c6c65e9c c6c65e78 c0c5777c c0c5725c c0c5765c c5a87040 # [ 71.595879] 5e80: b6ea9000 0000000a c53900c0 c6c65f60 c6c65ec4 c6c65ea0 c07e1728 c0c57668 # [ 71.604347] 5ea0: 00000000 c5a87040 b6ea9000 c2815800 c6c65f60 c07e16c4 c6c65f5c c6c65ec8 # [ 71.612817] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6c64000 # [ 71.621286] 5ee0: b6ea9000 00020000 00000004 0000000a 0001fff6 c6c65ee0 00000001 b6ea8000 # [ 71.629755] 5f00: c2fb0dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.638224] 5f20: 00000000 00000000 c13dc868 dc8725b3 c206c120 c5a87040 c5a87040 c6c64000 # [ 71.646693] 5f40: b6ea9000 00000000 00000000 00000004 c6c65f94 c6c65f60 c059c020 c059b974 # [ 71.655159] 5f60: 00000000 00000000 c6c65fac dc8725b3 0000000a 0000000a b6ff0e00 00000004 # [ 71.663626] 5f80: c03002e4 c6c64000 c6c65fa4 c6c65f98 c059c0b0 c059bfb8 00000000 c6c65fa8 # [ 71.672094] 5fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6ea9000 0000000a 00000000 # [ 71.680563] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4 # [ 71.689029] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6 800e0030 00000001 00000000 00000000 # [ 71.697485] Backtrace: # [ 71.700245] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 71.708715] r7:c6c65f60 r6:0000000a r5:c6d7e000 r4:0000001f # [ 71.714675] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.723061] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.731369] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.739582] r9:c6c65f60 r8:c53900c0<6>[ 72.247941] lkdtm: Performing direct entry EXEC_STACK r7:0000000a r6:b6ea9000 r5:c5a87<6>[ 72.254462] lkdtm: attempting ok execution at c0c57fec 040 r4:c0c5765c # [ 71.747630]<6>[ 72.262679] lkdtm: attempting bad execution at c2fb3e0c [] (full_proxy_write) <1>[ 72.271067] 8<--- cut here --- <1>[ 72.277217] Unable to handle kernel paging request at virtual address c2fb3e0c <1>[ 72.284731] pgd = bc07555f <1>[ 72.287726] [c2fb3e0c] *pgd=12e1141e(bad) <0>[ 72.292053] Internal error: Oops: 8000000d [#4] SMP ARM <4>[ 72.297566] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 72.327108] CPU: 0 PID: 1802 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 72.335135] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 72.341953] PC is at 0xc2fb3e0c <4>[ 72.345396] LR is at execute_location+0xa4/0xb4 <4>[ 72.350216] pc : [] lr : [] psr: 600e0013 <4>[ 72.356765] sp : c2fb3de8 ip : c2fb3cf0 fp : c2fb3e04 <4>[ 72.362270] r10: 0000000b r9 : c1ad563c r8 : c15ebd0c <4>[ 72.367779] r7 : c2fb3f60 r6 : 00000001 r5 : c2fb3e0c r4 : c0c57fec <4>[ 72.374586] r3 : 23901ed8 r2 : 23901ed8 r1 : ef7815e0 r0 : 0000002b <4>[ 72.381399] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 72.388819] Control: 10c5387d Table: 15ed004a DAC: 00000051 <0>[ 72.394850] Process cat (pid: 1802, stack limit = 0x8e5395cb) <0>[ 72.400883] Stack: (0xc2fb3de8 to 0xc2fb4000) <0>[ 72.405532] 3de0: c2fb2000 c6da9000 0000000b c2fb3f60 c2fb3e64 c2fb3e08 <0>[ 72.414003] 3e00: c13c74f0 c13c72b0 c2fb3e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 72.422472] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 <0>[ 72.430939] 3e40: e3a02040 e3a01d33 e5930018 23901ed8 0000000b 00000020 c2fb3e74 c2fb3e68 <0>[ 72.439406] 3e60: c0c5727c c13c74c4 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5b1c780 <0>[ 72.447877] 3e80: b6dc0000 0000000b c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668 <0>[ 72.456347] 3ea0: 00000000 c5b1c780 b6dc0000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8 <0>[ 72.464817] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000 <0>[ 72.473285] 3ee0: b6dc0000 00020000 00000004 0000000b 0001fff5 c2fb3ee0 00000001 b6dbf000 <0>[ 72.481753] 3f00: c5d19b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 72.490221] 3f20: 00000000 00000000 c13dc868 23901ed8 c206c120 c5b1c780 c5b1c780 c2fb2000 <0>[ 72.498689] 3f40: b6dc0000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974 <0>[ 72.507157] 3f60: 00000000 00000000 c2fb3fac 23901ed8 0000000b 0000000b b6f07e00 00000004 <0>[ 72.515626] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8 <0>[ 72.524093] 3fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6dc0000 0000000b 00000000 <0>[ 72.532561] 3fc0: 0000000b 0000000b b6f07e00 00000004 00000001 00000000 00020000 becffac4 <0>[ 72.541029] 3fe0: 00000004 becff7f8 b6e71d8f b6df87e6 800e0030 00000001 00000000 00000000 <0>[ 72.549482] Backtrace: <0>[ 72.552244] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 72.560801] r7:c2fb3f60 r6:0000000b r5:c6da9000 r4:c2fb2000 <0>[ 72.566762] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.575224] r4:00000020 <0>[ 72.578051] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.586360] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.594569] r9:c2fb3f60 r8:c53900c0 r7:0000000b r6:b6dc0000 r5:c5b1c780 r4:c0c5765c <0>[ 72.602617] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 72.610738] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6dc0000 r5:c5b1c780 r4:00000000 <0>[ 72.618776] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.626203] r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c2fb2000 r5:c5b1c780 <0>[ 72.634312] r4:c5b1c780 <0>[ 72.637140] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.644566] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:0000000b r4:0000000b <0>[ 72.652608] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.660460] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) <0>[ 72.665801] 3fa0: 0000000b 0000000b 00000001 b6dc0000 0000000b 00000000 <0>[ 72.674270] 3fc0: 0000000b 0000000b b6f07e00 00000004 00000001 00000000 00020000 becffac4 <0>[ 72.682732] 3fe0: 00000004 becff7f8 b6e71d8f b6df87e6 <0>[ 72.688077] Code: c2fb3e08 c13c74f0 c13c72b0 c2fb3e6c (e1a0c00d) <4>[ 72.694464] ---[ end trace 77357beb01f1e269 ]--- from [] (vfs_write+0x10c/0x53c) # [ 71.755753] r9:c07e16c4 r8:c6c65f60 r7:c2815800 r6:b6ea9000 r5:c5a87040 r4:00000000 # [ 71.763792] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.771219] r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6c64000 r5:c5a87040 # [ 71.779328] r4:c5a87040 # [ 71.782158] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.789585] r9:c6c64000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:0000000a r4:0000000a # [ 71.797626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.805477] Exception stack(0xc6c65fa8 to 0xc6c65ff0) # [ 71.810817] 5fa0: 0000000a 0000000a 00000001 b6ea9000 0000000a 00000000 # [ 71.819286] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4 # [ 71.827747] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6 # [ 71.833091] Code: 00000000 c2fee900 c2fee9c0 c2feea80 (e1a0c00d) # [ 71.839475] ---[ end trace 77357beb01f1e268 ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 72.247941] lkdtm: Performing direct entry EXEC_STACK # [ 72.254462] lkdtm: attempting ok execution at c0c57fec # [ 72.262679] lkdtm: attempting bad execution at c2fb3e0c # [ 72.271067] 8<--- cut here --- # [ 72.277217] Unable to handle kernel paging request at virtual address c2fb3e0c # [ 72.284731] pgd = bc07555f # [ 72.287726] [c2fb3e0c] *pgd=12e1141e(bad) # [ 72.292053] Internal error: Oops: 8000000d [#4] SMP ARM # [ 72.297566] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 72.327108] CPU: 0 PID: 1802 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 72.335135] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.341953] PC is at 0xc2fb3e0c # [ 72.345396] LR is at execute_location+0xa4/0xb4 # [ 72.350216] pc : [] lr : [] psr: 600e0013 # [ 72.356765] sp : c2fb3de8 ip : c2fb3cf0 fp : c2fb3e04 # [ 72.362270] r10: 0000000b r9 : c1ad563c r8 : c15ebd0c # [ 72.367779] r7 : c2fb3f60 r6 : 00000001 r5 : c2fb3e0c r4 : c0c57fec # [ 72.374586] r3 : 23901ed8 r2 : 23901ed8 r1 : ef7815e0 r0 : 0000002b # [ 72.381399] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.388819] Control: 10c5387d Table: 15ed004a DAC: 00000051 # [ 72.394850] Process cat (pid: 1802, stack limit = 0x8e5395cb) # [ 72.400883] Stack: (0xc2fb3de8 to 0xc2fb4000) # [ 72.405532] 3de0: c2fb2000 c6da9000 0000000b c2fb3f60 c2fb3e64 c2fb3e08 # [ 72.414003] 3e00: c13c74f0 c13c72b0 c2fb3e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 72.422472] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 # [ 72.430939] 3e40: e3a02040 e3a01d33 e5930018 23901ed8 0000000b 00000020 c2fb3e74 c2fb3e68 # [ 72.439406] 3e60: c0c5727c c13c74c4 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5b1c780 # [ 72.447877] 3e80: b6dc0000 0000000b c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668 # [ 72.456347] 3ea0: 00000000 c5b1c780 b6dc0000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8 # [ 72.464817] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000 # [ 72.473285] 3ee0: b6dc0000 00020000 00000004 0000000b 0001fff5 c2fb3ee0 00000001 b6dbf000 # [ 72.481753] 3f00: c5d19b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.490221] 3f20: 00000000 00000000 c13dc868 23901ed8 c206c120 c5b1c780 c5b1c780 c2fb2000 # [ 72.498689] 3f40: b6dc0000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974 # [ 72.507157] 3f60: 00000000 00000000 c2fb3fac 23901ed8 0000000b 0000000b b6f07e00 00000004 # [ 72.515626] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8 # [ 72.524093] 3fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6dc0000 0000000b 00000000 # [ 72.532561] 3fc0: 0000000b 0000000b b6f07e00 00000004 00000001 00000000 00020000 becffac4 # [ 72.541029] 3fe0: 00000004 becff7f8 b6e71d8f b6df87e6 800e0030 00000001 00000000 00000000 # [ 72.549482] Backtrace: # [ 72.552244] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 72.560801] r7:c2fb3f60 r6:0000000b r5:c6da9000 r4:c2fb2000 # [ 72.566762] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.575224] r4:00000020 # [ 72.578051] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.586360] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.594569] r9:c2fb3f60 r8:c53900c0 r7:0000000b r6:b6dc0000 r5:c5b1c780 r4:c0c5765c # [ 72.602617] [] (full_proxy_write) from [] (v<6>[ 73.159708] lkdtm: Performing direct entry EXEC_KMALLOC fs_write+0x10c/0x53c) # [ 72.6<6>[ 73.165531] lkdtm: attempting ok execution at c0c57fec 10738] r9:c07e16c4 r8:c2fb3f60 r<6>[ 73.173781] lkdtm: attempting bad execution at c5d0ca80 7:c2815800 r6:b6dc0000< 1r>5[: c 73.182085] 8<--- cut here --- b1c780 r4<:10>0[0 0 0 07030. 1 8#738] Unable to handle kernel paging request at virtual address c5d0ca80 [ 72.61877<61]> [ [ < c7035.9196956] pgd = 25636e7c 968>] (vfs_write) from [9[ 73.201831] [c5d0ca80] *pgd=15c1141e(bad) 020>] (ksys_write<+00>x[7 4 / 07x.208620] Internal error: Oops: 8000000d [#5] SMP ARM ec) # [ 72.626203] r10:000000<4>[ 73.216183] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 04 r9:00000000 r8:0<040>0[0 0 0 03.248149] CPU: 3 PID: 1882 Comm: cat Tainted: G D W 5.10.202-cip41 #1 r7:b6dc00<040> [r 6 : c723f.b2258314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 r5:c5b1c780 <#4> [[ 7732266926] PC is at 0xc5d0ca80 .634312] r4:c5b1c780 #< 4>[[ 73.272328] LR is at execute_location+0xa4/0xb4 72.637140]< 4[><[c 0 5 97b3f.a2c9451] pc : [] lr : [] psr: 600e0013 >] (ksyw[r i t e7)3 .f2r8o7m99] sp : c6a69e30 ip : 00000027 fp : c6a69e4c [>][ ( s y7s3_.2w9r933] r10: 0000000d r9 : c1ad5648 r8 : c15ebd0c ite+0x18/0c[) #7 3[. 3 02152] r7 : c6a69f60 r6 : 00000001 r5 : c5d0ca80 r4 : c0c57fec 72.644566<]4 > [r 9 : c723f.b3210759] r3 : 1970e6c8 r2 : 1970e6c8 r1 : ef7c05e4 r0 : 0000002b 00 r8:c0300<24e>4[ r 7 :703.03019282] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0004 r6:b6f070[ r 5 :7030.028498] Control: 10c5387d Table: 16f2004a DAC: 00000051 0000b r4:<000>0[0 0 0 07b3 . 3#3 411] Process cat (pid: 1882, stack limit = 0xa8d4ee55) [ 72.652<600>8[] [ <73c.03549153] Stack: (0xc6a69e30 to 0xc6a6a000) c098>] (sys_write<)0 >f[r o m 7[.350509] 9e20: c5d0ca80 c5cd8000 0000000d c6a69f60 ] (ret_s[t _ s y7s.361026] 9e40: c6a69e64 c6a69e50 c0c5803c c13c72b0 00000021 c5cd8000 c6a69e74 c6a69e68 call+0x0/0x28) <#0 >[[ 7723.371543] 9e60: c0c5727c c0c58010 c6a69e9c c6a69e78 c0c5777c c0c5725c c0c5765c c5b1c000 660460] Excepti [s t a c7k3(382060] 9e80: b6dd7000 0000000d c53900c0 c6a69f60 c6a69ec4 c6a69ea0 c07e1728 c0c57668 0xc2fb3fa8 to <00x>c[2 f b 37f3f.392492] 9ea0: 00000000 c5b1c000 b6dd7000 c2815800 c6a69f60 c07e16c4 c6a69f5c c6a69ec8 ) # [ 72.665<800>1[] 3 f7a30402924] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6a68000 : < 0 > [ 07030.413355] 9ee0: b6dd7000 00020000 00000004 0000000d 0001fff3 c6a69ee0 00000001 b6dd6000 000b 0000000b <000>0[0 0 0 0713 .423786] 9f00: c5956500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 6dc0000 0000000b< 00>0[0 0 0 0703.434221] 9f20: 00000000 00000000 c13dc868 1970e6c8 c206c120 c5b1c000 c5b1c000 c6a68000 # [ 72.674270<]0 >3[f c 0 :7 .444739] 9f40: b6dd7000 00000000 00000000 00000004 c6a69f94 c6a69f60 c059c020 c059b974 0000000b 0000<000>0[b b 67f30.755256] 9f60: 00000000 00000000 c6a69fac 1970e6c8 0000000d 0000000d b6f1ee00 00000004 e00 00000004 000<000>0[0 1 0703.465601] 9f80: c03002e4 c6a68000 c6a69fa4 c6a69f98 c059c0b0 c059bfb8 00000000 c6a69fa8 00000 00020000 c[f f a c743.476118] 9fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6dd7000 0000000d 00000000 # [ 72.682732]< 03>f[e 0 : 70.486552] 9fc0: 0000000d 0000000d b6f1ee00 00000004 00000001 00000000 00020000 beba3ac4 0000004 becff7f<80 >b[6 e 7 17d38497066] 9fe0: 00000004 beba37f8 b6e88d8f b6e0f7e6 800e0030 00000001 00000000 00000000 f b6df87e6 < 0#> [ [ 7 37.25.07492] Backtrace: 88077] Code: c2fb3e08 c13c74f<00 [ 73.512037] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) c13c72b0 c2fb3e6([e 1 a 07c3.523327] r7:c6a69f60 r6:0000000d r5:c5cd8000 r4:c5d0ca80 0d) # [ 72.69446<40]> [- - - 73.531331] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) end trac7[7 3 5 77b3e.b5041190] r5:c5cd8000 r4:00000021 f1e269 ]--- # EX_[S T A C7K.547764] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : missing 'call trace:': <[0F>A[I 73.558116] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) L] not ok 31 sf[t e s t7s3:568715] r9:c6a69f60 r8:c53900c0 r7:0000000d r6:b6dd7000 r5:c5b1c000 r4:c0c5765c lkdtm: EXEC_STACK.sh # exi1 73.578721] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # selftests:< 0l>k[d t m :7 3E.589316] r9:c07e16c4 r8:c6a69f60 r7:c2815800 r6:b6dd7000 r5:c5b1c000 r4:00000000 EC_KMALLOC.sh <0>[ 73.599316] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.608009] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6a68000 r5:c5b1c000 <0>[ 73.616103] r4:c5b1c000 <0>[ 73.618908] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.626311] r9:c6a68000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:0000000d r4:0000000d <0>[ 73.634326] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.642161] Exception stack(0xc6a69fa8 to 0xc6a69ff0) <0>[ 73.647498] 9fa0: 0000000d 0000000d 00000001 b6dd7000 0000000d 00000000 <0>[ 73.655969] 9fc0: 0000000d 0000000d b6f1ee00 00000004 00000001 00000000 00020000 beba3ac4 <0>[ 73.664416] 9fe0: 00000004 beba37f8 b6e88d8f b6e0f7e6 <0>[ 73.669740] Code: 6f63206e 6e656d6d 00203a74 6e756f72 (e1a0c00d) <4>[ 73.676103] ---[ end trace 77357beb01f1e26a ]--- # Segmentation fault # [ 73.159708] lkdtm: Performing direct entry EXEC_KMALLOC # [ 73.165531] lkdtm: attempting ok execution at c0c57fec # [ 73.173781] lkdtm: attempting bad execution at c5d0ca80 # [ 73.182085] 8<--- cut here --- # [ 73.187738] Unable to handle kernel paging request at virtual address c5d0ca80 # [ 73.196956] pgd = 25636e7c # [ 73.201831] [c5d0ca80] *pgd=15c1141e(bad) # [ 73.208620] Internal error: Oops: 8000000d [#5] SMP ARM # [ 73.216183] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 73.248149] CPU: 3 PID: 1882 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 73.258314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.266926] PC is at 0xc5d0ca80 # [ 73.272328] LR is at execute_location+0xa4/0xb4 # [ 73.279451] pc : [] lr : [] psr: 600e0013 # [ 73.287799] sp : c6a69e30 ip : 00000027 fp : c6a69e4c # [ 73.294933] r10: 0000000d r9 : c1ad5648 r8 : c15ebd0c # [ 73.302152] r7 : c6a69f60 r6 : 00000001 r5 : c5d0ca80 r4 : c0c57fec # [ 73.310759] r3 : 1970e6c8 r2 : 1970e6c8 r1 : ef7c05e4 r0 : 0000002b # [ 73.319282] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.328498] Control: 10c5387d Table: 16f2004a DAC: 00000051 # [ 73.336411] Process cat (pid: 1882, stack limit = 0xa8d4ee55) # [ 73.344153] Stack: (0xc6a69e30 to 0xc6a6a000) # [ 73.350509] 9e20: c5d0ca80 c5cd8000 0000000d c6a69f60 # [ 73.361026] 9e40: c6a69e64 c6a69e50 c0c5803c c13c72b0 00000021 c5cd8000 c6a69e74 c6a69e68 # [ 73.371543] 9e60: c0c5727c c0c58010 c6a69e9c c6a69e78 c0c5777c c0c5725c c0c5765c c5b1c000 # [ 73.382060] 9e80: b6dd7000 0000000d c53900c0 c6a69f60 c6a69ec4 c6a69ea0 c07e1728 c0c57668 # [ 73.392492] 9ea0: 00000000 c5b1c000 b6dd7000 c2815800 c6a69f60 c07e16c4 c6a69f5c c6a69ec8 # [ 73.402924] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6a68000 # [ 73.413355] 9ee0: b6dd7000 00020000 00000004 0000000d 0001fff3 c6a69ee0 00000001 b6dd6000 # [ 73.423786] 9f00: c5956500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.434221] 9f20: 00000000 00000000 c13dc868 1970e6c8 c206c120 c5b1c000 c5b1c000 c6a68000 # [ 73.444739] 9f40: b6dd7000 00000000 00000000 00000004 c6a69f94 c6a69f60 c059c020 c059b974 # [ 73.455256] 9f60: 00000000 00000000 c6a69fac 1970e6c8 0000000d 0000000d b6f1ee00 00000004 # [ 73.465601] 9f80: c03002e4 c6a68000 c6a69fa4 c6a69f98 c059c0b0 c059bfb8 00000000 c6a69fa8 # [ 73.476118] 9fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6dd7000 0000000d 00000000 # [ 73.486552] 9fc0: 0000000d 0000000d b6f1ee00 00000004 00000001 00000000 00020000 beba3ac4 # [ 73.497066] 9fe0: 00000004 beba37f8 b6e88d8f b6e0f7e6 800e0030 00000001 00000000 00000000 # [ 73.507492] Backtrace: # [ 73.512037] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 73.523327] r7:c6a69f60 r6:0000000d r5:c5cd8000 r4:c5d0ca80 # [ 73.531331] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.542190] r5:c5cd8000 r4:00000021 # [ 73.547764] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.558116] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.568715] r9:c6a69f60 r8:c53900c0 r7:0000000d r6:b6dd7000 r5:c5b1c000 r4:c0c5765c # [ 73.578721] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.589316] r9:c07e16c4 r8:c6a69f60 r7:c2815800 r6:b6dd7000 r5:c5b1c000 r4:00000000 # [ 73.599316] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 73.608009] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6a68000 r5:c5b1c000 # [ 73.616103] r4:c5b1c000 # [ 73.618908] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 73.626311] r9:c6a68000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:0000000d r4:0000000d # [ 73.634326] [] (sys_write) from [[ 74.135941] lkdtm: Performing direct entry EXEC_VMALLOC 0c0>] (ret_fast_syscall+0x0/0x28)<6>[ 74.142122] lkdtm: attempting ok execution at c0c57fec # [ 73.642161] Exception stac<6>[ 74.150475] lkdtm: attempting bad execution at f09ed000 k(0xc6a69fa8 to 0xc6a69ff0) # [ <1>[ 74.158878] 8<--- cut here --- 73.647498] 9fa0: <1>[ 74.164954] Unable to handle kernel paging request at virtual address f09ed000 0000000d 0000000d 00000001 b6<1>[ 74.175338] pgd = 4514d737 dd7000 0000000d 00000000 # [ 7<1>[ 74.181081] [f09ed000] *pgd=12950811, *pte=4b82265f, *ppte=4b82245f 3.655969] 9fc0: 0000000d 0000000d<0>[ 74.190510] Internal error: Oops: 8000000f [#6] SMP ARM b6f1ee00 00000004 00000001 00000<4>[ 74.198821] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 000 00020000 beba34[ # 74.230790] CPU: 1 PID: 1960 Comm: cat Tainted: G D W 5.10.202-cip41 #1 73.664416<]4 >9[ f e 07:4 .0200957] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000004 beba37f8 b68[d 8 f 74.249571] PC is at 0xf09ed000 6e0f7e6 # [ 73.669740] Ce 74.255147] LR is at execute_location+0xa4/0xb4 : 6f63206e 65[6 d 6 d7 40.0262444] pc : [] lr : [] psr: 600e0013 03a74 65[ 6 f 7724 .(2e710a876] sp : c6f25e30 ip : c6f25d38 fp : c6f25e4c c00d) # <[4 > [ 7 3 .7647.62178011] r10: 0000000d r9 : c1ad5658 r8 : c15ebd0c 3] ---[ end< 4t>r[a c e 7747.3255318] r7 : c6f25f60 r6 : 00000001 r5 : f09ed000 r4 : c0c57fec 7beb01f1e<24>6[a ] -7-4-. 2 9#3927] r3 : f68bcb83 r2 : f68bcb83 r1 : ef7965e0 r0 : 0000002b EXEC_KMALLOC: misn[g '7c4.302451] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ll trace:'<:4 >[[F A I L7]4 . 3n11927] Control: 10c5387d Table: 1599804a DAC: 00000051 t ok 32 selftes[: l k7d4t.319758] Process cat (pid: 1960, stack limit = 0x1a940fe2) : EXEC_KMALC[ . s h7 4#. 3e27758] Stack: (0xc6f25e30 to 0xc6f26000) it=1 # selftest [l k d t7m4.334200] 5e20: f09ed000 c5c97000 0000000d c6f25f60 EXEC_VMALLOC.sh < 0>[ 74.344718] 5e40: c6f25e64 c6f25e50 c0c58070 c13c72b0 00000022 c5c97000 c6f25e74 c6f25e68 <0>[ 74.354715] 5e60: c0c5727c c0c58054 c6f25e9c c6f25e78 c0c5777c c0c5725c c0c5765c c5955b80 <0>[ 74.363163] 5e80: b6e02000 0000000d c53900c0 c6f25f60 c6f25ec4 c6f25ea0 c07e1728 c0c57668 <0>[ 74.371608] 5ea0: 00000000 c5955b80 b6e02000 c2815800 c6f25f60 c07e16c4 c6f25f5c c6f25ec8 <0>[ 74.380057] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f24000 <0>[ 74.388503] 5ee0: b6e02000 00020000 00000004 0000000d 0001fff3 c6f25ee0 00000001 b6e01000 <0>[ 74.396949] 5f00: c5a86000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.405395] 5f20: 00000000 00000000 c13dc868 f68bcb83 c206c120 c5955b80 c5955b80 c6f24000 <0>[ 74.413842] 5f40: b6e02000 00000000 00000000 00000004 c6f25f94 c6f25f60 c059c020 c059b974 <0>[ 74.422289] 5f60: 00000000 00000000 c6f25fac f68bcb83 0000000d 0000000d b6f49e00 00000004 <0>[ 74.430735] 5f80: c03002e4 c6f24000 c6f25fa4 c6f25f98 c059c0b0 c059bfb8 00000000 c6f25fa8 <0>[ 74.439181] 5fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6e02000 0000000d 00000000 <0>[ 74.447627] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4 <0>[ 74.456072] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6 800e0030 00000001 00000000 00000000 <0>[ 74.464514] Backtrace: <0>[ 74.467243] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 74.475949] r7:c6f25f60 r6:0000000d r5:c5c97000 r4:f09ed000 <0>[ 74.481879] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.490495] r5:c5c97000 r4:00000022 <0>[ 74.494342] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.502623] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.510810] r9:c6f25f60 r8:c53900c0 r7:0000000d r6:b6e02000 r5:c5955b80 r4:c0c5765c <0>[ 74.518829] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.526927] r9:c07e16c4 r8:c6f25f60 r7:c2815800 r6:b6e02000 r5:c5955b80 r4:00000000 <0>[ 74.534940] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.542343] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6f24000 r5:c5955b80 <0>[ 74.550437] r4:c5955b80 <0>[ 74.553241] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.560644] r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000d r4:0000000d <0>[ 74.568659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.576496] Exception stack(0xc6f25fa8 to 0xc6f25ff0) <0>[ 74.581814] 5fa0: 0000000d 0000000d 00000001 b6e02000 0000000d 00000000 <0>[ 74.590259] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4 <0>[ 74.598701] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6 <0>[ 74.604024] Code: bad PC value <4>[ 74.607409] ---[ end trace 77357beb01f1e26b ]--- # Segmentation fault # [ 74.135941] lkdtm: Performing direct entry EXEC_VMALLOC # [ 74.142122] lkdtm: attempting ok execution at c0c57fec # [ 74.150475] lkdtm: attempting bad execution at f09ed000 # [ 74.158878] 8<--- cut here --- # [ 74.164954] Unable to handle kernel paging request at virtual address f09ed000 # [ 74.175338] pgd = 4514d737 # [ 74.181081] [f09ed000] *pgd=12950811, *pte=4b82265f, *ppte=4b82245f # [ 74.190510] Internal error: Oops: 8000000f [#6] SMP ARM # [ 74.198821] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 74.230790] CPU: 1 PID: 1960 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 74.240957] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.249571] PC is at 0xf09ed000 # [ 74.255147] LR is at execute_location+0xa4/0xb4 # [ 74.262444] pc : [] lr : [] psr: 600e0013 # [ 74.270876] sp : c6f25e30 ip : c6f25d38 fp : c6f25e4c # [ 74.278011] r10: 0000000d r9 : c1ad5658 r8 : c15ebd0c # [ 74.285318] r7 : c6f25f60 r6 : 00000001 r5 : f09ed000 r4 : c0c57fec # [ 74.293927] r3 : f68bcb83 r2 : f68bcb83 r1 : ef7965e0 r0 : 0000002b # [ 74.302451] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.311927] Control: 10c5387d Table: 1599804a DAC: 00000051 # [ 74.319758] Process cat (pid: 1960, stack limit = 0x1a940fe2) # [ 74.327758] Stack: (0xc6f25e30 to 0xc6f26000) # [ 74.334200] 5e20: f09ed000 c5c97000 0000000d c6f25f60 # [ 74.344718] 5e40: c6f25e64 c6f25e50 c0c58070 c13c72b0 00000022 c5c97000 c6f25e74 c6f25e68 # [ 74.354715] 5e60: c0c5727c c0c58054 c6f25e9c c6f25e78 c0c5777c c0c5725c c0c5765c c5955b80 # [ 74.363163] 5e80: b6e02000 0000000d c53900c0 c6f25f60 c6f25ec4 c6f25ea0 c07e1728 c0c57668 # [ 74.371608] 5ea0: 00000000 c5955b80 b6e02000 c2815800 c6f25f60 c07e16c4 c6f25f5c c6f25ec8 # [ 74.380057] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f24000 # [ 74.388503] 5ee0: b6e02000 00020000 00000004 0000000d 0001fff3 c6f25ee0 00000001 b6e01000 # [ 74.396949] 5f00: c5a86000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.405395] 5f20: 00000000 00000000 c13dc868 f68bcb83 c206c120 c5955b80 c5955b80 c6f24000 # [ 74.413842] 5f40: b6e02000 00000000 00000000 00000004 c6f25f94 c6f25f60 c059c020 c059b974 # [ 74.422289] 5f60: 00000000 00000000 c6f25fac f68bcb83 0000000d 0000000d b6f49e00 00000004 # [ 74.430735] 5f80: c03002e4 c6f24000 c6f25fa4 c6f25f98 c059c0b0 c059bfb8 00000000 c6f25fa8 # [ 74.439181] 5fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6e02000 0000000d 00000000 # [ 74.447627] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4 # [ 74.456072] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6 800e0030 00000001 00000000 00000000 # [ 74.464514] Backtrace: # [ 74.467243] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 74.475949] r7:c6f25f60 r6:0000000d r5:c5c97000 r4:f09ed000 # [ 74.481879] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.490495] r5:c5c97000 r4:00000022 # [ 74.494342] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.502623] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.510810] r9:c6f25f60 r8:c53900c0 r7:0000000d r6:b6e0200<6>[ 75.045658] lkdtm: Performing direct entry EXEC_RODATA 0 r5:c5955b80 r4:c0c5765c # [ <6>[ 75.052400] lkdtm: attempting ok execution at c0c57fec 74.518829] [] (full_pro<6>[ 75.060829] lkdtm: attempting bad execution at c15ebfa8 xy_write) from [] (vfs_<1>[ 75.069189] 8<--- cut here --- <1>[ 75.075306] Unable to handle kernel paging request at virtual address c15ebfa8 <1>[ 75.082816] pgd = ab45c273 <1>[ 75.085807] [c15ebfa8] *pgd=1141941e(bad) <0>[ 75.090131] Internal error: Oops: 8000000d [#7] SMP ARM <4>[ 75.095640] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 75.125178] CPU: 0 PID: 2038 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 75.133206] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.140031] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 75.145378] LR is at execute_location+0xa4/0xb4 <4>[ 75.150193] pc : [] lr : [] psr: 600e0013 <4>[ 75.156742] sp : c6829e38 ip : c6829d40 fp : c6829e54 <4>[ 75.162248] r10: 0000000c r9 : c1ad5668 r8 : c15ebd0c <4>[ 75.167757] r7 : c6829f60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c57fec <4>[ 75.174566] r3 : b1e50f9c r2 : b1e50f9c r1 : ef7815e0 r0 : 0000002b <4>[ 75.181380] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.188800] Control: 10c5387d Table: 16c6004a DAC: 00000051 <0>[ 75.194832] Process cat (pid: 2038, stack limit = 0x559a97e2) <0>[ 75.200862] Stack: (0xc6829e38 to 0xc682a000) <0>[ 75.205506] 9e20: 00000023 c6e73000 <0>[ 75.213976] 9e40: 0000000c c6829f60 c6829e64 c6829e58 c13c7530 c13c72b0 c6829e74 c6829e68 <0>[ 75.222445] 9e60: c0c5727c c13c7518 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a348c0 <0>[ 75.230913] 9e80: b6e64000 0000000c c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668 <0>[ 75.239381] 9ea0: 00000000 c5a348c0 b6e64000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8 <0>[ 75.247850] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000 <0>[ 75.256318] 9ee0: b6e64000 00020000 00000004 0000000c 0001fff4 c6829ee0 00000001 b6e63000 <0>[ 75.264784] 9f00: c5a86140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.273253] 9f20: 00000000 00000000 c13dc868 b1e50f9c c206c120 c5a348c0 c5a348c0 c6828000 <0>[ 75.281721] 9f40: b6e64000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974 <0>[ 75.290189] 9f60: 00000000 00000000 c6829fac b1e50f9c 0000000c 0000000c b6fabe00 00000004 <0>[ 75.298656] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8 <0>[ 75.307124] 9fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e64000 0000000c 00000000 <0>[ 75.315591] 9fc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 becccac4 <0>[ 75.324058] 9fe0: 00000004 beccc7f8 b6f15d8f b6e9c7e6 800e0030 00000001 00000000 00000000 <0>[ 75.332512] Backtrace: <0>[ 75.335275] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 75.343918] r7:c6829f60 r6:0000000c r5:c6e73000 r4:00000023 <0>[ 75.349879] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.358440] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.366747] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.374956] r9:c6829f60 r8:c53900c0 r7:0000000c r6:b6e64000 r5:c5a348c0 r4:c0c5765c <0>[ 75.383004] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.391126] r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e64000 r5:c5a348c0 r4:00000000 <0>[ 75.399167] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.406596] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6828000 r5:c5a348c0 <0>[ 75.414708] r4:c5a348c0 <0>[ 75.417539] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.424966] r9:c6828000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000000c r4:0000000c <0>[ 75.433007] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.440859] Exception stack(0xc6829fa8 to 0xc6829ff0) <0>[ 75.446201] 9fa0: 0000000c 0000000c 00000001 b6e64000 0000000c 00000000 <0>[ 75.454669] 9fc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 becccac4 <0>[ 75.463132] 9fe0: 00000004 beccc7f8 b6f15d8f b6e9c7e6 <0>[ 75.468480] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 75.474871] ---[ end trace 77357beb01f1e26c ]--- write+0x10c/0x53c) # [ 74.526927] r9:c07e16c4 r8:c6f25f60 r7:c2815800 r6:b6e02000 r5:c5955b80 r4:00000000 # [ 74.534940] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.542343] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6f24000 r5:c5955b80 # [ 74.550437] r4:c5955b80 # [ 74.553241] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.560644] r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000d r4:0000000d # [ 74.568659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.576496] Exception stack(0xc6f25fa8 to 0xc6f25ff0) # [ 74.581814] 5fa0: 0000000d 0000000d 00000001 b6e02000 0000000d 00000000 # [ 74.590259] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4 # [ 74.598701] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6 # [ 74.604024] Code: bad PC value # [ 74.607409] ---[ end trace 77357beb01f1e26b ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh # Segmentation fault # [ 75.045658] lkdtm: Performing direct entry EXEC_RODATA # [ 75.052400] lkdtm: attempting ok execution at c0c57fec # [ 75.060829] lkdtm: attempting bad execution at c15ebfa8 # [ 75.069189] 8<--- cut here --- # [ 75.075306] Unable to handle kernel paging request at virtual address c15ebfa8 # [ 75.082816] pgd = ab45c273 # [ 75.085807] [c15ebfa8] *pgd=1141941e(bad) # [ 75.090131] Internal error: Oops: 8000000d [#7] SMP ARM # [ 75.095640] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 75.125178] CPU: 0 PID: 2038 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 75.133206] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.140031] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 75.145378] LR is at execute_location+0xa4/0xb4 # [ 75.150193] pc : [] lr : [] psr: 600e0013 # [ 75.156742] sp : c6829e38 ip : c6829d40 fp : c6829e54 # [ 75.162248] r10: 0000000c r9 : c1ad5668 r8 : c15ebd0c # [ 75.167757] r7 : c6829f60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c57fec # [ 75.174566] r3 : b1e50f9c r2 : b1e50f9c r1 : ef7815e0 r0 : 0000002b # [ 75.181380] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.188800] Control: 10c5387d Table: 16c6004a DAC: 00000051 # [ 75.194832] Process cat (pid: 2038, stack limit = 0x559a97e2) # [ 75.200862] Stack: (0xc6829e38 to 0xc682a000) # [ 75.205506] 9e20: 00000023 c6e73000 # [ 75.213976] 9e40: 0000000c c6829f60 c6829e64 c6829e58 c13c7530 c13c72b0 c6829e74 c6829e68 # [ 75.222445] 9e60: c0c5727c c13c7518 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a348c0 # [ 75.230913] 9e80: b6e64000 0000000c c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668 # [ 75.239381] 9ea0: 00000000 c5a348c0 b6e64000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8 # [ 75.247850] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000 # [ 75.256318] 9ee0: b6e64000 00020000 00000004 0000000c 0001fff4 c6829ee0 00000001 b6e63000 # [ 75.264784] 9f00: c5a86140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.273253] 9f20: 00000000 00000000 c13dc868 b1e50f9c c206c120 c5a348c0 c5a348c0 c6828000 # [ 75.281721] 9f40: b6e64000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974 # [ 75.290189] 9f60: 00000000 00000000 c6829fac b1e50f9c 0000000c 0000000c b6fabe00 00000004 # [ 75.298656] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8 # [ 75.307124] 9fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e64000 0000000c 00000000 # [ 75.315591] 9fc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 becccac4 # [ 75.324058] 9fe0: 00000004 beccc7f8 b6f15d8f b6e9c7e6 800e0030 00000001 00000000 00000000 # [ 75.332512] Backtrace: # [ 75.335275] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 75.343918] r7:c6829f60 r6:0000000c r5:c6e73000 r4:00000023 # [ 75.349879] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.358440] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.366747] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.374956] r9:c6829f60 r8:c53900c0 r7:0000000c r6:b6e64000 r5:c5a348c0 r4:c0c5765c # [ 75.383004] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.391126] r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e64000 r5:c5a348c0 r4:00000000 # [ 75.399167] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.406596] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6828000 r5:c5a348c0 # [ 75.414708] r4:c5a348c0 # [ 75.417539] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.424966] r9:c6828000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000000c r4:0000000c # [ 75.433007<]6>[ 75.948129] lkdtm: Performing direct entry EXEC_USERSPACE [] (sys_write) from [[ 75.956702] lkdtm: attempting ok execution at c0c57fec 03000c0>] (ret_fast_syscall+0x0/0<6>[ 75.964954] lkdtm: attempting bad execution at b6fdd000 x28) # [ 75.440<815>9[] E7x.973087] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fdd000 ception stack(0xc6829fa8 to 0xc<6>[ 75.982578] Internal error: : b [#8] SMP ARM 829ff0) # [ 75.446201] 9fa0: <4>[ 75.989796] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 0000000c 0000000<4>[ 76.021767] CPU: 3 PID: 2115 Comm: cat Tainted: G D W 5.10.202-cip41 #1 c 00000001 b6e64000 0000000c <040[ 76.032623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000000 # [ 75.454669] 9fc0: 004>[ 76.042018] PC is at 0xb6fdd000 00000c 0000000c b6fabe00 00000004<4>[ 76.048205] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 00000001 00000000 00020000 [ 76.056196] pc : [] lr : [] psr: 600e0013 ccac4 # [ 75.463132] 9f0[: 76.065324] sp : c2fb3e48 ip : 00000027 fp : c2fb3e64 00000004 beccc7f8 b6f15f[ 76.073236] r10: 0000000f r9 : c1ad5674 r8 : c15ebd0c 6e9c7e6 # [ 75.468480<]4 >C[o 76.081150] r7 : c2fb3f60 r6 : 0000000f r5 : c6aa8000 r4 : b6fdd000 e: 5f727563 6e756f63 000000<744> 76.090370] r3 : 64a1775b r2 : 64a1775b r1 : ef7c05e4 r0 : 0000002b aa55aa55 (e1a0c00d) # [ 75.<4>[ 76.099678] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 74871] ---[ end trace 77357be[ 76.118373] Process cat (pid: 2115, stack limit = 0x8e5395cb) ing 'call trace:': [FAIL] t 76.127153] Stack: (0xc2fb3e48 to 0xc2fb4000) ok 34 selftests: lkdtm: EXEC_ROD<0>[ 76.134297] 3e40: 00000001 00000000 0000000f 00000024 c2fb3e74 c2fb3e68 ATA.sh # exit=1 # selftests: lkd<0>[ 76.145597] 3e60: c0c5727c c0c58088 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a872c0 tm: EXEC_USERSPACE.sh <0>[ 76.156896] 3e80: b6e97000 0000000f c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668 <0>[ 76.167328] 3ea0: 00000000 c5a872c0 b6e97000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8 <0>[ 76.175797] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000 <0>[ 76.184265] 3ee0: b6e97000 00020000 00000004 0000000f 0001fff1 c2fb3ee0 00000001 b6e96000 <0>[ 76.192732] 3f00: c2fb0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.201200] 3f20: 00000000 00000000 c13dc868 64a1775b c206c120 c5a872c0 c5a872c0 c2fb2000 <0>[ 76.209667] 3f40: b6e97000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974 <0>[ 76.218134] 3f60: 00000000 00000000 c2fb3fac 64a1775b 0000000f 0000000f b6fdee00 00000004 <0>[ 76.226601] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8 <0>[ 76.235069] 3fa0: c03000c0 c059c0a4 0000000f 0000000f 00000001 b6e97000 0000000f 00000000 <0>[ 76.243537] 3fc0: 0000000f 0000000f b6fdee00 00000004 00000001 00000000 00020000 be9a0ac4 <0>[ 76.252005] 3fe0: 00000004 be9a07f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000 <0>[ 76.260459] Backtrace: <0>[ 76.263219] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.272028] r4:00000024 <0>[ 76.274857] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.283166] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.291377] r9:c2fb3f60 r8:c53900c0 r7:0000000f r6:b6e97000 r5:c5a872c0 r4:c0c5765c <0>[ 76.299426] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.307550] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e97000 r5:c5a872c0 r4:00000000 <0>[ 76.315589] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.323017] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c2fb2000 r5:c5a872c0 <0>[ 76.331126] r4:c5a872c0 <0>[ 76.333954] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.341382] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000f r4:0000000f <0>[ 76.349421] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.357271] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) <0>[ 76.362610] 3fa0: 0000000f 0000000f 00000001 b6e97000 0000000f 00000000 <0>[ 76.371078] 3fc0: 0000000f 0000000f b6fdee00 00000004 00000001 00000000 00020000 be9a0ac4 <0>[ 76.379541] 3fe0: 00000004 be9a07f8 b6f48d8f b6ecf7e6 <0>[ 76.384886] Code: bad PC value <4>[ 76.388236] ---[ end trace 77357beb01f1e26d ]--- # Segmentation fault # [ 75.948129] lkdtm: Performing direct entry EXEC_USERSPACE # [ 75.956702] lkdtm: attempting ok execution at c0c57fec # [ 75.964954] lkdtm: attempting bad execution at b6fdd000 # [ 75.973087] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fdd000 # [ 75.982578] Internal error: : b [#8] SMP ARM # [ 75.989796] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 76.021767] CPU: 3 PID: 2115 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 76.032623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.042018] PC is at 0xb6fdd000 # [ 76.048205] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 76.056196] pc : [] lr : [] psr: 600e0013 # [ 76.065324] sp : c2fb3e48 ip : 00000027 fp : c2fb3e64 # [ 76.073236] r10: 0000000f r9 : c1ad5674 r8 : c15ebd0c # [ 76.081150] r7 : c2fb3f60 r6 : 0000000f r5 : c6aa8000 r4 : b6fdd000 # [ 76.090370] r3 : 64a1775b r2 : 64a1775b r1 : ef7c05e4 r0 : 0000002b # [ 76.099678] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.109763] Control: 10c5387d Table: 169c004a DAC: 00000051 # [ 76.118373] Process cat (pid: 2115, stack limit = 0x8e5395cb) # [ 76.127153] Stack: (0xc2fb3e48 to 0xc2fb4000) # [ 76.134297] 3e40: 00000001 00000000 0000000f 00000024 c2fb3e74 c2fb3e68 # [ 76.145597] 3e60: c0c5727c c0c58088 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a872c0 # [ 76.156896] 3e80: b6e97000 0000000f c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668 # [ 76.167328] 3ea0: 00000000 c5a872c0 b6e97000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8 # [ 76.175797] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000 # [ 76.184265] 3ee0: b6e97000 00020000 00000004 0000000f 0001fff1 c2fb3ee0 00000001 b6e96000 # [ 76.192732] 3f00: c2fb0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.201200] 3f20: 00000000 00000000 c13dc868 64a1775b c206c120 c5a872c0 c5a872c0 c2fb2000 # [ 76.209667] 3f40: b6e97000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974 # [ 76.218134] 3f60: 00000000 00000000 c2fb3fac 64a1775b 0000000f 0000000f b6fdee00 00000004 # [ 76.226601] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8 # [ 76.235069] 3fa0: c03000c0 c059c0a4 0000000f 0000000f 00000001 b6e97000 0000000f 00000000 # [ 76.243537] 3fc0: 0000000f 0000000f b6fdee00 00000004 00000001 00000000 00020000 be9a0ac4 # [ 76.252005] 3fe0: 00000004 be9a07f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000 # [ 76.260459] Backtrace: # [ 76.263219] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.272028] r4:00000024 # [ 76.274857] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.283166] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.291377] r9:c2fb3f60 r8:c53900c0 r7:0000000f r6:b6e97000 r5:c5a872c0 r4:c0c5765c # [ 76.299426] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.307550] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e97000 r5:c5a872c0 r4:00000000 # [ 76.315589] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.323017] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c2fb2000 r5:c5a872c0 # [ 76.331126] r4:c5a872c0 # [ 76.333954] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.341382] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000f r4:0000000f # [ <6>[ 76.844370] lkdtm: Performing direct entry EXEC_NULL 76.349421] [>][ ( s 76.852041] lkdtm: attempting ok execution at c0c57fec s_write) from [] (ret_f<6>[ 76.859772] lkdtm: attempting bad execution at 00000000 ast_syscall+0x0/0x28) # [ 76.3<1>[ 76.868113] 8<--- cut here --- 57271] Exception stack(0xc2fb3fa8<1>[ 76.874259] Unable to handle kernel NULL pointer dereference at virtual address 00000000 to 0xc2fb3ff0) # [ 76.362610]<1>[ 76.885502] pgd = afd88103 3fa0: < 1 > [ 7 6 891273] [00000000] *pgd=00000000 0000000f 0000000f 00000001 b6e97<0>[ 76.897170] Internal error: Oops: 80000005 [#9] SMP ARM 000 0000000f 00000000 # [ 76.3<4>[ 76.905471] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 71078] 3fc0: 000000<04f> [0 0 0 06.937434] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.202-cip41 #1 000f b6fde[0 0 07060.09040599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 4 00000001 00000<040>0[ 0 0 0762956127] PC is at 0x0 0000 be9a0ac4 # [ 76.3795<441>[ 76.960923] LR is at execute_location+0xa4/0xb4 3fe0: 0000<040>0[4 b e796a.0978307] pc : [<00000000>] lr : [] psr: 600e0013 f8 b6f48d<84>f[ b 6 e7c6f.79e766654] sp : c6b63e38 ip : c6b63d40 fp : c6b63e54 # [ 76.<348>4[8 8 6 ]7 6C.o9d83874] r10: 0000000a r9 : c1ad5684 r8 : c15ebd0c : bad PC val [ # [7 6 . 991181] r7 : c6b63f60 r6 : 00000000 r5 : 00000000 r4 : c0c57fec 6.388236] <-4->-[[ e n7d6 .t9r99876] r3 : 536cfc74 r2 : 536cfc74 r1 : ef7c05e0 r0 : 0000002b ce 77357beb01e[2 6 d7 7].-008484] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none - # EXEC_UR[S P A C7E7:. 0m7787] Control: 10c5387d Table: 146b804a DAC: 00000051 issing 'call tre[: ' : 7[7F025616] Process cat (pid: 2187, stack limit = 0x6ec37340) AIL] not ok< 0>3[5 s e7l7f.t0e3615] Stack: (0xc6b63e38 to 0xc6b64000) sts: lkdtm: EC[_ U S E7R7S.P40052] 3e20: 00000025 c6aa8000 ACE.sh # exit=<10 > [# s e7l7f.050399] 3e40: 0000000a c6b63f60 c6b63e64 c6b63e58 c13c7554 c13c72b0 c6b63e74 c6b63e68 ests: lkdtm: E[C _ N U7L7L..60831] 3e60: c0c5727c c13c7540 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b1d180 sh <0>[ 77.071178] 3e80: b6dc1000 0000000a c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668 <0>[ 77.079958] 3ea0: 00000000 c5b1d180 b6dc1000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8 <0>[ 77.088406] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000 <0>[ 77.096850] 3ee0: b6dc1000 00020000 00000004 0000000a 0001fff6 c6b63ee0 00000001 b6dc0000 <0>[ 77.105294] 3f00: c5a868c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.113740] 3f20: 00000000 00000000 c13dc868 536cfc74 c206c120 c5b1d180 c5b1d180 c6b62000 <0>[ 77.122185] 3f40: b6dc1000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974 <0>[ 77.130631] 3f60: 00000000 00000000 c6b63fac 536cfc74 0000000a 0000000a b6f08e00 00000004 <0>[ 77.139077] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8 <0>[ 77.147521] 3fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000 <0>[ 77.155969] 3fc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 bef5fac4 <0>[ 77.164416] 3fe0: 00000004 bef5f7f8 b6e72d8f b6df97e6 800e0030 00000001 00000000 00000000 <0>[ 77.172855] Backtrace: <0>[ 77.175583] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 77.184030] r7:c6b63f60 r6:0000000a r5:c6aa8000 r4:00000025 <0>[ 77.189964] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.198327] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.206610] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.214797] r9:c6b63f60 r8:c53900c0 r7:0000000a r6:b6dc1000 r5:c5b1d180 r4:c0c5765c <0>[ 77.222816] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.230915] r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6dc1000 r5:c5b1d180 r4:00000000 <0>[ 77.238926] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.246331] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6b62000 r5:c5b1d180 <0>[ 77.254427] r4:c5b1d180 <0>[ 77.257234] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.264637] r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000000a r4:0000000a <0>[ 77.272652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.280488] Exception stack(0xc6b63fa8 to 0xc6b63ff0) <0>[ 77.285807] 3fa0: 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000 <0>[ 77.294252] 3fc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 bef5fac4 <0>[ 77.302695] 3fe0: 00000004 bef5f7f8 b6e72d8f b6df97e6 <0>[ 77.308018] Code: bad PC value <4>[ 77.311435] ---[ end trace 77357beb01f1e26e ]--- # Segmentation fault # [ 76.844370] lkdtm: Performing direct entry EXEC_NULL # [ 76.852041] lkdtm: attempting ok execution at c0c57fec # [ 76.859772] lkdtm: attempting bad execution at 00000000 # [ 76.868113] 8<--- cut here --- # [ 76.874259] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 76.885502] pgd = afd88103 # [ 76.891273] [00000000] *pgd=00000000 # [ 76.897170] Internal error: Oops: 80000005 [#9] SMP ARM # [ 76.905471] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 76.937434] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 76.947599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.956127] PC is at 0x0 # [ 76.960923] LR is at execute_location+0xa4/0xb4 # [ 76.968307] pc : [<00000000>] lr : [] psr: 600e0013 # [ 76.976654] sp : c6b63e38 ip : c6b63d40 fp : c6b63e54 # [ 76.983874] r10: 0000000a r9 : c1ad5684 r8 : c15ebd0c # [ 76.991181] r7 : c6b63f60 r6 : 00000000 r5 : 00000000 r4 : c0c57fec # [ 76.999876] r3 : 536cfc74 r2 : 536cfc74 r1 : ef7c05e0 r0 : 0000002b # [ 77.008484] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.017787] Control: 10c5387d Table: 146b804a DAC: 00000051 # [ 77.025616] Process cat (pid: 2187, stack limit = 0x6ec37340) # [ 77.033615] Stack: (0xc6b63e38 to 0xc6b64000) # [ 77.040052] 3e20: 00000025 c6aa8000 # [ 77.050399] 3e40: 0000000a c6b63f60 c6b63e64 c6b63e58 c13c7554 c13c72b0 c6b63e74 c6b63e68 # [ 77.060831] 3e60: c0c5727c c13c7540 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b1d180 # [ 77.071178] 3e80: b6dc1000 0000000a c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668 # [ 77.079958] 3ea0: 00000000 c5b1d180 b6dc1000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8 # [ 77.088406] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000 # [ 77.096850] 3ee0: b6dc1000 00020000 00000004 0000000a 0001fff6 c6b63ee0 00000001 b6dc0000 # [ 77.105294] 3f00: c5a868c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.113740] 3f20: 00000000 00000000 c13dc868 536cfc74 c206c120 c5b1d180 c5b1d180 c6b62000 # [ 77.122185] 3f40: b6dc1000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974 # [ 77.130631] 3f60: 00000000 00000000 c6b63fac 536cfc74 0000000a 0000000a b6f08e00 00000004 # [ 77.139077] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8 # [ 77.147521] 3fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000 # [ 77.155969] 3fc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 bef5fac4 # [ 77.164416] 3fe0: 00000004 bef5f7f8 b6e72d8f b6df97e6 800e0030 00000001 00000000 00000000 # [ 77.172855] Backtrace: # [ 77.175583] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 77.184030] r7:c6b63f60 r6:0000000a r5:c6aa8000 r4:00000025 # [ 77.189964] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.198327] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.206610] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.214797] r9:c6b63f60 r8:c53900c0 r7:0000000a r6:b6dc1000 r5:c5b1d180 r4:c0c5765c # [ 77.222816] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.230915] r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6dc1000 r5:c5b1d180 r4:00000000 <6>[ 77.795107] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 77.238926] [] (vf<6>[ 77.801694] lkdtm: attempting bad read at b6f16000 s_write) from [] (ksys_<1>[ 77.809617] 8<--- cut here --- write+0x74/0xec) # [ 77.24633<1>[ 77.815754] Unhandled fault: page domain fault (0x01b) at 0xb6f16000 ] r10:00000004 r9<:10>0[0 0 0 077.825149] pgd = 063b1265 0 r8:00000000 r7:b6dc1000 r6:c6b6<1>[ 77.830296] [b6f16000] *pgd=49377831 2000 r5:c5b1d180 # [ 77.254<40>[ 77.837011] Internal error: : 1b [#10] SMP ARM 7] r4:c5b1d180 # [ 77.257234]<4>[ 77.844406] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 [] (ksys_write) from [<4>[ 77.876387] CPU: 2 PID: 2264 Comm: cat Tainted: G D W 5.10.202-cip41 #1 ] (sys_wre[+ 0 x 17.887249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8/0x1c) # [ 77.264637] r9:c6b<4>[ 77.896230] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 62000 r8:c03002e4 r7:00000004 r6:<4>[ 77.904592] LR is at __irq_work_queue_local+0x40/0x74 b6f08e00 r5:0000000a r<44:>0[0 0 77.912753] pc : [] lr : [] psr: 600e0013 000a # [ 77.2726<542>][ [ < c7.921627] sp : c6e8de38 ip : c6e8dd40 fp : c6e8de64 059c098>] (sys_wt[e ) f7r7.929287] r10: 00000011 r9 : c1ad5690 r8 : c15ebd0c m [] (ret_ft[_ s y77.936866] r7 : c6e8df60 r6 : 00000051 r5 : c6e8c000 r4 : b6f16000 scall+0x0/0x28) <#4 >[[ 777.945914] r3 : c34bff53 r2 : c34bff53 r1 : ef7ab5e0 r0 : 00000026 .280488] Exception stack<(40>x[c 77.954795] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none b63fa8 to 0xc6b63ff0) < 4#> [[ 77.964626] Control: 10c5387d Table: 1681404a DAC: 00000051 77.285807] 3fa0: < 0 > [ 77.972980] Process cat (pid: 2264, stack limit = 0x42b0590d) 0000000a 000<000>0[0 a 07.981420] Stack: (0xc6e8de38 to 0xc6e8e000) 0000001 b6dc1000 0000000a 00<000>[ 77.988219] de20: 00000022 00000000 000 # [ 77.294252] 3fc0: 00000<0>[ 77.999271] de40: 00000000 c34bff53 c6e8de6c 00000026 c5e7b000 00000011 c6e8de74 c6e8de68 00a 0000000a b6f08e00 00000004 000>[ 78.010579] de60: c0c5727c c0c5815c c6e8de9c c6e8de78 c0c5777c c0c5725c c0c5765c c2fb0f00 000001 00000000 00020000 bef5fa[ 78.021797] de80: b6dd0000 00000011 c53900c0 c6e8df60 c6e8dec4 c6e8dea0 c07e1728 c0c57668 4 # [ 77.302695] 3fe0: 000000<0>[ 78.032931] dea0: 00000000 c2fb0f00 b6dd0000 c2815800 c6e8df60 c07e16c4 c6e8df5c c6e8dec8 4 bef5f7f8 b6e72d8f b6df97e6 <#0>[ 78.044150] dec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6e8c000 [ 77.308018] Code: bad PC va[ 78.055285] dee0: b6dd0000 00020000 00000004 00000011 0001ffef c6e8dee0 00000001 b6dcf000 e # [ 77.311435] ---[ ent 78.066416] df00: c477ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 race 77357beb01f1e26e ]--- #< 0E[ 78.077378] df20: 00000000 00000000 c13dc868 c34bff53 c206c120 c2fb0f00 c2fb0f00 c6e8c000 XEC_NULL: missing 'call trace:<'0>[ 78.088425] df40: b6dd0000 00000000 00000000 00000004 c6e8df94 c6e8df60 c059c020 c059b974 [FAIL] not ok 36 selftests: [ 78.099559] df60: 00000000 00000000 c6e8dfac c34bff53 00000011 00000011 b6f17e00 00000004 dtm: EXEC_NULL.sh # exit=1 #< 0s[ 78.110692] df80: c03002e4 c6e8c000 c6e8dfa4 c6e8df98 c059c0b0 c059bfb8 00000000 c6e8dfa8 elftests: lkdtm: ACCESS_USERSP<0A[ 78.121740] dfa0: c03000c0 c059c0a4 00000011 00000011 00000001 b6dd0000 00000011 00000000 CE.sh <0>[ 78.132788] dfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bee07ac4 <0>[ 78.141838] dfe0: 00000004 bee077f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000 <0>[ 78.150294] Backtrace: <0>[ 78.153058] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.162049] r6:00000011 r5:c5e7b000 r4:00000026 <0>[ 78.166966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.175275] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.183489] r9:c6e8df60 r8:c53900c0 r7:00000011 r6:b6dd0000 r5:c2fb0f00 r4:c0c5765c <0>[ 78.191538] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.199660] r9:c07e16c4 r8:c6e8df60 r7:c2815800 r6:b6dd0000 r5:c2fb0f00 r4:00000000 <0>[ 78.207700] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.215127] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6e8c000 r5:c2fb0f00 <0>[ 78.223238] r4:c2fb0f00 <0>[ 78.226068] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.233494] r9:c6e8c000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000011 r4:00000011 <0>[ 78.241535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.249388] Exception stack(0xc6e8dfa8 to 0xc6e8dff0) <0>[ 78.254728] dfa0: 00000011 00000011 00000001 b6dd0000 00000011 00000000 <0>[ 78.263198] dfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bee07ac4 <0>[ 78.271659] dfe0: 00000004 bee077f8 b6e81d8f b6e087e6 <0>[ 78.277004] Code: e1a01004 e30605b4 e34c01ad eb1d908e (e5943000) <4>[ 78.283393] ---[ end trace 77357beb01f1e26f ]--- # Segmentation fault # [ 77.795107] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 77.801694] lkdtm: attempting bad read at b6f16000 # [ 77.809617] 8<--- cut here --- # [ 77.815754] Unhandled fault: page domain fault (0x01b) at 0xb6f16000 # [ 77.825149] pgd = 063b1265 # [ 77.830296] [b6f16000] *pgd=49377831 # [ 77.837011] Internal error: : 1b [#10] SMP ARM # [ 77.844406] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 77.876387] CPU: 2 PID: 2264 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 77.887249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.896230] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 77.904592] LR is at __irq_work_queue_local+0x40/0x74 # [ 77.912753] pc : [] lr : [] psr: 600e0013 # [ 77.921627] sp : c6e8de38 ip : c6e8dd40 fp : c6e8de64 # [ 77.929287] r10: 00000011 r9 : c1ad5690 r8 : c15ebd0c # [ 77.936866] r7 : c6e8df60 r6 : 00000051 r5 : c6e8c000 r4 : b6f16000 # [ 77.945914] r3 : c34bff53 r2 : c34bff53 r1 : ef7ab5e0 r0 : 00000026 # [ 77.954795] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.964626] Control: 10c5387d Table: 1681404a DAC: 00000051 # [ 77.972980] Process cat (pid: 2264, stack limit = 0x42b0590d) # [ 77.981420] Stack: (0xc6e8de38 to 0xc6e8e000) # [ 77.988219] de20: 00000022 00000000 # [ 77.999271] de40: 00000000 c34bff53 c6e8de6c 00000026 c5e7b000 00000011 c6e8de74 c6e8de68 # [ 78.010579] de60: c0c5727c c0c5815c c6e8de9c c6e8de78 c0c5777c c0c5725c c0c5765c c2fb0f00 # [ 78.021797] de80: b6dd0000 00000011 c53900c0 c6e8df60 c6e8dec4 c6e8dea0 c07e1728 c0c57668 # [ 78.032931] dea0: 00000000 c2fb0f00 b6dd0000 c2815800 c6e8df60 c07e16c4 c6e8df5c c6e8dec8 # [ 78.044150] dec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6e8c000 # [ 78.055285] dee0: b6dd0000 00020000 00000004 00000011 0001ffef c6e8dee0 00000001 b6dcf000 # [ 78.066416] df00: c477ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.077378] df20: 00000000 00000000 c13dc868 c34bff53 c206c120 c2fb0f00 c2fb0f00 c6e8c000 # [ 78.088425] df40: b6dd0000 00000000 00000000 00000004 c6e8df94 c6e8df60 c059c020 c059b974 # [ 78.099559] df60: 00000000 00000000 c6e8dfac c34bff53 00000011 00000011 b6f17e00 00000004 # [ 78.110692] df80: c03002e4 c6e8c000 c6e8dfa4 c6e8df98 c059c0b0 c059bfb8 00000000 c6e8dfa8 # [ 78.121740] dfa0: c03000c0 c059c0a4 00000011 00000011 00000001 b6dd0000 00000011 00000000 # [ 78.132788] dfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bee07ac4 # [ 78.141838] dfe0: 00000004 bee077f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000 # [ 78.150294] Backtrace: # [ 78.153058] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.162049] r6:00000011 r5:c5e7b000 r4:00000026 # [ 78.166966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.175275] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.183489] r9:c6e8df60 r8:c53900c0 r7:00000011 r6:b6dd0000 r5:c2fb0f00 r4:c0c5765c # [ 78.191538] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.199660] r9:c07e16c4 r8:c6e8df60 r7:c2815800 r6:b6dd0000 r5:c2fb0f00 r4:00000000 # [ 78.207700] [] (vfs_write) from [] (ksys_write+0x74/0xec) <6>[ 78.730967] lkdtm: Performing direct entry ACCESS_NULL # [ 78.215127] r10:00000004 r9<6>[ 78.738182] lkdtm: attempting bad read at 00000000 :00000000 r8:00000000 r7:b6dd0000<1>[ 78.746053] 8<--- cut here --- r6:c6e8c000 r5:c2fb0f00 # [ 7<1>[ 78.752181] Unable to handle kernel NULL pointer dereference at virtual address 00000000 8.223238] r4:c2fb0f00 # [ 78.<1>[ 78.763435] pgd = 9267b691 226068] [] (ksys_write)<1>[ 78.769264] [00000000] *pgd=00000000 from [] (sys_write+0x1<0>[ 78.775975] Internal error: Oops: 5 [#11] SMP ARM 8/0x1c) # [ 78.233494] r9:c6e<4>[ 78.783744] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 8c000 r8:c03002e4 r<74:>0[0 0 0 08.815707] CPU: 1 PID: 2340 Comm: cat Tainted: G D W 5.10.202-cip41 #1 004 r6:b6f1<74e>0[0 r 57:80.0805874] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00011 r4:00000011 # [ 78.24<14>[ 78.834497] PC is at lkdtm_ACCESS_NULL+0x28/0x68 35] [] (sys_write) 0[c 0 > ]7 8(.r8e4t9965] pc : [] lr : [] psr: 600e0013 fast_sysl[l + 0 x780./805x8227] sp : c2fb3e50 ip : c2fb3d58 fp : c2fb3e64 8) # [ < 47>8[. 2 4 97388.88]6 360] r10: 0000000c r9 : c1ad56a4 r8 : c15ebd0c Exception< 4s>t[a c k (708x.c867e580] r7 : c2fb3f60 r6 : 0000000c r5 : c5d1c000 r4 : 00000000 8dfa8 to 0xc6d[f f 07)8 . 881102] r3 : b50840b6 r2 : b50840b6 r1 : ef7965e0 r0 : 00000026 [ 78.254728]< 4d>f[a 0 : 7 8 889798] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none < 4 > [ 0 07080.0809187] Control: 10c5387d Table: 16d9c04a DAC: 00000051 11 00000011 00<000>0[0 0 1 7b86.907017] Process cat (pid: 2340, stack limit = 0x8e5395cb) d0000 00000<001>1[ 0 0 07080.9015015] Stack: (0xc2fb3e50 to 0xc2fb4000) 0 # [ 78.2631<908>][ d f c708.921457] 3e40: 00000027 c5d1c000 c2fb3e74 c2fb3e68 00000011 000000<101> [b 6 f 1778.931975] 3e60: c0c5727c c13c7564 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a152c0 00 00000004 0000<000>0[1 0 0708.942494] 3e80: b6e6b000 0000000c c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668 0000 00020000 bee<007>[a c 4 7 8.953012] 3ea0: 00000000 c5a152c0 b6e6b000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8 [ 78.271659] df:[ 0 0 078.963531] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000 0004 bee077f8 b6e<801>d[8 f b76.974135] 3ee0: b6e6b000 00020000 00000004 0000000c 0001fff4 c2fb3ee0 00000001 b6e6a000 e087e6 # [ 7<80.>2[7 7 0 0748]984652] 3f00: c5d192c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Code: e1a01004 0[6 0 5 b748.995085] 3f20: 00000000 00000000 c13dc868 b50840b6 c206c120 c5a152c0 c5a152c0 c2fb2000 e34c01ad eb1d9<008>e[ ( e 5799.405602] 3f40: b6e6b000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974 3000) # [ < 07>8[. 2 8 37399.315946] 3f60: 00000000 00000000 c2fb3fac b50840b6 0000000c 0000000c b6fb2e00 00000004 ] ---[ end trace <707>3[5 7 b e7b.026292] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8 01f1e26f ]--- < 0>#[ A C C7E9S.S36810] 3fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e6b000 0000000c 00000000 _USERSPACE: misn[g ' c7a9l047156] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4 l trace:': [FL[] n7o9t. 57585] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6 800e0030 00000001 00000000 00000000 ok 37 selftests<:0 >l[k d t m7:9 067926] Backtrace: ACCESS_USERSPACE.sh # exit=1 <#0>[ 79.072642] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) selftests: lkm[: A C7C9E.S83843] r5:c5d1c000 r4:00000027 S_NULL.sh <0>[ 79.089592] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.098812] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.107001] r9:c2fb3f60 r8:c53900c0 r7:0000000c r6:b6e6b000 r5:c5a152c0 r4:c0c5765c <0>[ 79.115022] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.123119] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e6b000 r5:c5a152c0 r4:00000000 <0>[ 79.131133] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.138537] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c2fb2000 r5:c5a152c0 <0>[ 79.146631] r4:c5a152c0 <0>[ 79.149436] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.156841] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:0000000c r4:0000000c <0>[ 79.164858] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.172694] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) <0>[ 79.178014] 3fa0: 0000000c 0000000c 00000001 b6e6b000 0000000c 00000000 <0>[ 79.186460] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4 <0>[ 79.194903] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6 <0>[ 79.200226] Code: e30605b4 e34c01ad e1a01004 ebffd3c7 (e5945000) <4>[ 79.206653] ---[ end trace 77357beb01f1e270 ]--- # Segmentation fault # [ 78.730967] lkdtm: Performing direct entry ACCESS_NULL # [ 78.738182] lkdtm: attempting bad read at 00000000 # [ 78.746053] 8<--- cut here --- # [ 78.752181] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 78.763435] pgd = 9267b691 # [ 78.769264] [00000000] *pgd=00000000 # [ 78.775975] Internal error: Oops: 5 [#11] SMP ARM # [ 78.783744] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 78.815707] CPU: 1 PID: 2340 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 78.825874] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.834497] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 78.842062] LR is at __irq_work_queue_local+0x40/0x74 # [ 78.849965] pc : [] lr : [] psr: 600e0013 # [ 78.858227] sp : c2fb3e50 ip : c2fb3d58 fp : c2fb3e64 # [ 78.865360] r10: 0000000c r9 : c1ad56a4 r8 : c15ebd0c # [ 78.872580] r7 : c2fb3f60 r6 : 0000000c r5 : c5d1c000 r4 : 00000000 # [ 78.881102] r3 : b50840b6 r2 : b50840b6 r1 : ef7965e0 r0 : 00000026 # [ 78.889798] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.899187] Control: 10c5387d Table: 16d9c04a DAC: 00000051 # [ 78.907017] Process cat (pid: 2340, stack limit = 0x8e5395cb) # [ 78.915015] Stack: (0xc2fb3e50 to 0xc2fb4000) # [ 78.921457] 3e40: 00000027 c5d1c000 c2fb3e74 c2fb3e68 # [ 78.931975] 3e60: c0c5727c c13c7564 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a152c0 # [ 78.942494] 3e80: b6e6b000 0000000c c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668 # [ 78.953012] 3ea0: 00000000 c5a152c0 b6e6b000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8 # [ 78.963531] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000 # [ 78.974135] 3ee0: b6e6b000 00020000 00000004 0000000c 0001fff4 c2fb3ee0 00000001 b6e6a000 # [ 78.984652] 3f00: c5d192c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.995085] 3f20: 00000000 00000000 c13dc868 b50840b6 c206c120 c5a152c0 c5a152c0 c2fb2000 # [ 79.005602] 3f40: b6e6b000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974 # [ 79.015946] 3f60: 00000000 00000000 c2fb3fac b50840b6 0000000c 0000000c b6fb2e00 00000004 # [ 79.026292] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8 # [ 79.036810] 3fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e6b000 0000000c 00000000 # [ 79.047156] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4 # [ 79.057585] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6 800e0030 00000001 00000000 00000000 # [ 79.067926] Backtrace: # [ 79.072642] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.083843] r5:c5d1c000 r4:00000027 # [ 79.089592] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.098812] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.107001] r9:c2fb3f60 r8:c53900c0 r7:0000000c r6:b6e6b000 r5:c5a152c0 r4:c0c5765c # [ 79.115022] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.123119] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e6b000 r5:c5a152c0 r4:00000000 # [ 7<6>[ 79.668628] lkdtm: Performing direct entry WRITE_RO 9.131133] [] (vfs_write<6>[ 79.674718] lkdtm: attempting bad rodata write at c15ebfa4 ) from [] (ksys_write+0<1>[ 79.683257] 8<--- cut here --- <1>[ 79.689394] Unable to handle kernel paging request at virtual address c15ebfa4 <1>[ 79.696888] pgd = 8fa072a1 <1>[ 79.699864] [c15ebfa4] *pgd=1141941e(bad) <0>[ 79.704172] Internal error: Oops: 80d [#12] SMP ARM <4>[ 79.709335] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 79.738875] CPU: 0 PID: 2415 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 79.746901] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.753732] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 79.758375] LR is at 0x0 <4>[ 79.761193] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 79.767742] sp : c6b63e50 ip : 00000027 fp : c6b63e64 <4>[ 79.773248] r10: 00000009 r9 : c1ad56b0 r8 : c15ebd0c <4>[ 79.778757] r7 : c6b63f60 r6 : 00000009 r5 : c6e58000 r4 : c15ebfa4 <4>[ 79.785567] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e4 r0 : c1ad64b4 <4>[ 79.792380] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.799800] Control: 10c5387d Table: 1686004a DAC: 00000051 <0>[ 79.805833] Process cat (pid: 2415, stack limit = 0x6ec37340) <0>[ 79.811863] Stack: (0xc6b63e50 to 0xc6b64000) <0>[ 79.816511] 3e40: 00000028 c6e58000 c6b63e74 c6b63e68 <0>[ 79.824981] 3e60: c0c5727c c13c7364 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b27040 <0>[ 79.833449] 3e80: b6e68000 00000009 c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668 <0>[ 79.841918] 3ea0: 00000000 c5b27040 b6e68000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8 <0>[ 79.850389] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000 <0>[ 79.858857] 3ee0: b6e68000 00020000 00000004 00000009 0001fff7 c6b63ee0 00000001 b6e67000 <0>[ 79.867323] 3f00: c5a87b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.875790] 3f20: 00000000 00000000 c13dc868 870ff2af c206c120 c5b27040 c5b27040 c6b62000 <0>[ 79.884258] 3f40: b6e68000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974 <0>[ 79.892725] 3f60: 00000000 00000000 c6b63fac 870ff2af 00000009 00000009 b6fafe00 00000004 <0>[ 79.901193] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8 <0>[ 79.909660] 3fa0: c03000c0 c059c0a4 00000009 00000009 00000001 b6e68000 00000009 00000000 <0>[ 79.918127] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4 <0>[ 79.926594] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6 800e0030 00000001 00000000 00000000 <0>[ 79.935048] Backtrace: <0>[ 79.937813] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.946106] r5:c6e58000 r4:00000028 <0>[ 79.949978] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.958286] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.966499] r9:c6b63f60 r8:c53900c0 r7:00000009 r6:b6e68000 r5:c5b27040 r4:c0c5765c <0>[ 79.974546] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.982666] r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6e68000 r5:c5b27040 r4:00000000 <0>[ 79.990703] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.998129] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6b62000 r5:c5b27040 <0>[ 80.006238] r4:c5b27040 <0>[ 80.009065] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.016491] r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000009 r4:00000009 <0>[ 80.024533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.032384] Exception stack(0xc6b63fa8 to 0xc6b63ff0) <0>[ 80.037725] 3fa0: 00000009 00000009 00000001 b6e68000 00000009 00000000 <0>[ 80.046192] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4 <0>[ 80.054654] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6 <0>[ 80.059997] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) <4>[ 80.066385] ---[ end trace 77357beb01f1e271 ]--- x74/0xec) # [ 79.138537] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c2fb2000 r5:c5a152c0 # [ 79.146631] r4:c5a152c0 # [ 79.149436] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.156841] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:0000000c r4:0000000c # [ 79.164858] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.172694] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) # [ 79.178014] 3fa0: 0000000c 0000000c 00000001 b6e6b000 0000000c 00000000 # [ 79.186460] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4 # [ 79.194903] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6 # [ 79.200226] Code: e30605b4 e34c01ad e1a01004 ebffd3c7 (e5945000) # [ 79.206653] ---[ end trace 77357beb01f1e270 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 79.668628] lkdtm: Performing direct entry WRITE_RO # [ 79.674718] lkdtm: attempting bad rodata write at c15ebfa4 # [ 79.683257] 8<--- cut here --- # [ 79.689394] Unable to handle kernel paging request at virtual address c15ebfa4 # [ 79.696888] pgd = 8fa072a1 # [ 79.699864] [c15ebfa4] *pgd=1141941e(bad) # [ 79.704172] Internal error: Oops: 80d [#12] SMP ARM # [ 79.709335] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 79.738875] CPU: 0 PID: 2415 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 79.746901] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.753732] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 79.758375] LR is at 0x0 # [ 79.761193] pc : [] lr : [<00000000>] psr: 600e0013 # [ 79.767742] sp : c6b63e50 ip : 00000027 fp : c6b63e64 # [ 79.773248] r10: 00000009 r9 : c1ad56b0 r8 : c15ebd0c # [ 79.778757] r7 : c6b63f60 r6 : 00000009 r5 : c6e58000 r4 : c15ebfa4 # [ 79.785567] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e4 r0 : c1ad64b4 # [ 79.792380] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.799800] Control: 10c5387d Table: 1686004a DAC: 00000051 # [ 79.805833] Process cat (pid: 2415, stack limit = 0x6ec37340) # [ 79.811863] Stack: (0xc6b63e50 to 0xc6b64000) # [ 79.816511] 3e40: 00000028 c6e58000 c6b63e74 c6b63e68 # [ 79.824981] 3e60: c0c5727c c13c7364 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b27040 # [ 79.833449] 3e80: b6e68000 00000009 c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668 # [ 79.841918] 3ea0: 00000000 c5b27040 b6e68000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8 # [ 79.850389] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000 # [ 79.858857] 3ee0: b6e68000 00020000 00000004 00000009 0001fff7 c6b63ee0 00000001 b6e67000 # [ 79.867323] 3f00: c5a87b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.875790] 3f20: 00000000 00000000 c13dc868 870ff2af c206c120 c5b27040 c5b27040 c6b62000 # [ 79.884258] 3f40: b6e68000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974 # [ 79.892725] 3f60: 00000000 00000000 c6b63fac 870ff2af 00000009 00000009 b6fafe00 00000004 # [ 79.901193] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8 # [ 79.909660] 3fa0: c03000c0 c059c0a4 00000009 00000009 00000001 b6e68000 00000009 00000000 # [ 79.918127] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4 # [ 79.926594] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6 800e0030 00000001 00000000 00000000 # [ 79.935048] Backtrace: # [ 79.937813] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.946106] r5:c6e58000 r4:00000028 # [ 79.949978] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.958286] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.966499] r9:c6b63f60 r8:c53900c0 r7:00000009 r6:b6e68000 r5:c5b27040 r4:c0c5765c # [ 79.974546] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.982666] r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6e68000 r5:c5b27040 r4:00000000 # [ 79.990703] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.998129] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6b62000 r5:c5b27040 # [ 80.006238] r4:c5b27040 # [ 80.009065] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.016491] r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000009 r4:00000009 # [ 80.024533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.032384] Exception stack(0xc6b63fa8 to 0xc6b63ff0) # [ 80.037725] 3fa0: <6>[ 80.554686] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 00000009 00000009 000000<6>[ 80.562899] lkdtm: attempting bad ro_after_init write at c1b88c60 01 b6e68000 00000009 00000000 # <1>[ 80.572296] 8<--- cut here --- <1>[ 80.578354] Unable to handle kernel paging request at virtual address c1b88c60 <1>[ 80.585849] pgd = 417b2fb0 <1>[ 80.588826] [c1b88c60] *pgd=11a1941e(bad) <0>[ 80.593125] Internal error: Oops: 80d [#13] SMP ARM <4>[ 80.598274] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 80.627606] CPU: 0 PID: 2490 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 80.635617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.642428] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 80.648022] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 80.653344] pc : [] lr : [] psr: 600e0013 <4>[ 80.659878] sp : c5a75e50 ip : c5a75d58 fp : c5a75e64 <4>[ 80.665372] r10: 00000014 r9 : c1ad56bc r8 : c15ebd0c <4>[ 80.670865] r7 : c5a75f60 r6 : 00000014 r5 : c6e59000 r4 : c1b88c60 <4>[ 80.677659] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad64b4 <4>[ 80.684458] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.691861] Control: 10c5387d Table: 169c004a DAC: 00000051 <0>[ 80.697878] Process cat (pid: 2490, stack limit = 0xddfc3195) <0>[ 80.703894] Stack: (0xc5a75e50 to 0xc5a76000) <0>[ 80.708524] 5e40: 00000029 c6e59000 c5a75e74 c5a75e68 <0>[ 80.716975] 5e60: c0c5727c c13c73b4 c5a75e9c c5a75e78 c0c5777c c0c5725c c0c5765c c5a87400 <0>[ 80.725425] 5e80: b6dbb000 00000014 c53900c0 c5a75f60 c5a75ec4 c5a75ea0 c07e1728 c0c57668 <0>[ 80.733875] 5ea0: 00000000 c5a87400 b6dbb000 c2815800 c5a75f60 c07e16c4 c5a75f5c c5a75ec8 <0>[ 80.742327] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c5a74000 <0>[ 80.750775] 5ee0: b6dbb000 00020000 00000004 00000014 0001ffec c5a75ee0 00000001 b6dba000 <0>[ 80.759224] 5f00: c5b1d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.767673] 5f20: 00000000 00000000 c13dc868 6749da2e c206c120 c5a87400 c5a87400 c5a74000 <0>[ 80.776123] 5f40: b6dbb000 00000000 00000000 00000004 c5a75f94 c5a75f60 c059c020 c059b974 <0>[ 80.784571] 5f60: 00000000 00000000 c5a75fac 6749da2e 00000014 00000014 b6f02e00 00000004 <0>[ 80.793020] 5f80: c03002e4 c5a74000 c5a75fa4 c5a75f98 c059c0b0 c059bfb8 00000000 c5a75fa8 <0>[ 80.801469] 5fa0: c03000c0 c059c0a4 00000014 00000014 00000001 b6dbb000 00000014 00000000 <0>[ 80.809919] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4 <0>[ 80.818368] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6 800e0030 00000001 00000000 00000000 <0>[ 80.826810] Backtrace: <0>[ 80.829545] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.838774] r5:c6e59000 r4:00000029 <0>[ 80.842626] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.850910] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.859101] r9:c5a75f60 r8:c53900c0 r7:00000014 r6:b6dbb000 r5:c5a87400 r4:c0c5765c <0>[ 80.867125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.875227] r9:c07e16c4 r8:c5a75f60 r7:c2815800 r6:b6dbb000 r5:c5a87400 r4:00000000 <0>[ 80.883246] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.890653] r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c5a74000 r5:c5a87400 <0>[ 80.898750] r4:c5a87400 <0>[ 80.901559] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.908968] r9:c5a74000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000014 r4:00000014 <0>[ 80.916987] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.924826] Exception stack(0xc5a75fa8 to 0xc5a75ff0) <0>[ 80.930148] 5fa0: 00000014 00000014 00000001 b6dbb000 00000014 00000000 <0>[ 80.938599] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4 <0>[ 80.947045] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6 <0>[ 80.952371] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) <4>[ 80.958738] ---[ end trace 77357beb01f1e272 ]--- [ 80.046192] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4 # [ 80.054654] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6 # [ 80.059997] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) # [ 80.066385] ---[ end trace 77357beb01f1e271 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Segmentation fault # [ 80.554686] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 80.562899] lkdtm: attempting bad ro_after_init write at c1b88c60 # [ 80.572296] 8<--- cut here --- # [ 80.578354] Unable to handle kernel paging request at virtual address c1b88c60 # [ 80.585849] pgd = 417b2fb0 # [ 80.588826] [c1b88c60] *pgd=11a1941e(bad) # [ 80.593125] Internal error: Oops: 80d [#13] SMP ARM # [ 80.598274] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 80.627606] CPU: 0 PID: 2490 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 80.635617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.642428] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 80.648022] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.653344] pc : [] lr : [] psr: 600e0013 # [ 80.659878] sp : c5a75e50 ip : c5a75d58 fp : c5a75e64 # [ 80.665372] r10: 00000014 r9 : c1ad56bc r8 : c15ebd0c # [ 80.670865] r7 : c5a75f60 r6 : 00000014 r5 : c6e59000 r4 : c1b88c60 # [ 80.677659] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad64b4 # [ 80.684458] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.691861] Control: 10c5387d Table: 169c004a DAC: 00000051 # [ 80.697878] Process cat (pid: 2490, stack limit = 0xddfc3195) # [ 80.703894] Stack: (0xc5a75e50 to 0xc5a76000) # [ 80.708524] 5e40: 00000029 c6e59000 c5a75e74 c5a75e68 # [ 80.716975] 5e60: c0c5727c c13c73b4 c5a75e9c c5a75e78 c0c5777c c0c5725c c0c5765c c5a87400 # [ 80.725425] 5e80: b6dbb000 00000014 c53900c0 c5a75f60 c5a75ec4 c5a75ea0 c07e1728 c0c57668 # [ 80.733875] 5ea0: 00000000 c5a87400 b6dbb000 c2815800 c5a75f60 c07e16c4 c5a75f5c c5a75ec8 # [ 80.742327] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c5a74000 # [ 80.750775] 5ee0: b6dbb000 00020000 00000004 00000014 0001ffec c5a75ee0 00000001 b6dba000 # [ 80.759224] 5f00: c5b1d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.767673] 5f20: 00000000 00000000 c13dc868 6749da2e c206c120 c5a87400 c5a87400 c5a74000 # [ 80.776123] 5f40: b6dbb000 00000000 00000000 00000004 c5a75f94 c5a75f60 c059c020 c059b974 # [ 80.784571] 5f60: 00000000 00000000 c5a75fac 6749da2e 00000014 00000014 b6f02e00 00000004 # [ 80.793020] 5f80: c03002e4 c5a74000 c5a75fa4 c5a75f98 c059c0b0 c059bfb8 00000000 c5a75fa8 # [ 80.801469] 5fa0: c03000c0 c059c0a4 00000014 00000014 00000001 b6dbb000 00000014 00000000 # [ 80.809919] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4 # [ 80.818368] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6 800e0030 00000001 00000000 00000000 # [ 80.826810] Backtrace: # [ 80.829545] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.838774] r5:c6e59000 r4:00000029 # [ 80.842626] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.850910] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.859101] r9:c5a75f60 r8:c53900c0 r7:00000014 r6:b6dbb000 r5:c5a87400 r4:c0c5765c # [ 80.867125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.875227] r9:c07e16c4 r8:c5a75f60 r7:c2815800 r6:b6dbb000 r5:c5a87400 r4:00000000 # [ 80.883246] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.890653] r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c5a74000 r5:c5a87400 # [ 80.898750] r4:c5a87400 # [ 80.901559] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.908968] r9:c<6>[ 81.455309] lkdtm: Performing direct entry WRITE_KERN 5a74000 r8:c03002e4 r7:00000004 r<6>[ 81.461959] lkdtm: attempting bad 7795348 byte write at c13c7280 6:b6f02e00 r5:00000014 r4:0000001<1>[ 81.471237] 8<--- cut here --- <1>[ 81.477344] Unable to handle kernel paging request at virtual address c13c7280 <1>[ 81.484839] pgd = 855f887b <1>[ 81.487815] [c13c7280] *pgd=1121940e(bad) <0>[ 81.492114] Internal error: Oops: 80d [#14] SMP ARM <4>[ 81.497262] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 81.526594] CPU: 0 PID: 2565 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 81.534605] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.541412] PC is at memcpy+0x50/0x330 <4>[ 81.545433] LR is at 0xe92dd830 <4>[ 81.548845] pc : [] lr : [] psr: 200e0013 <4>[ 81.555380] sp : c6829e2c ip : e1a0c00d fp : c6829e64 <4>[ 81.560874] r10: 0000000b r9 : c1ad56d0 r8 : e89da800 <4>[ 81.566368] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 81.573164] r3 : e1a0c00d r2 : 0076f1f4 r1 : c0c5800c r0 : c13c7280 <4>[ 81.579962] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 81.587368] Control: 10c5387d Table: 146bc04a DAC: 00000051 <0>[ 81.593384] Process cat (pid: 2565, stack limit = 0x559a97e2) <0>[ 81.599399] Stack: (0xc6829e2c to 0xc682a000) <0>[ 81.604029] 9e20: c0c57fec 0076f294 c6829f60 c15ebd0c c13c7280 <0>[ 81.612479] 9e40: c13c7280 c13c7464 0000002a c6e58000 0000000b c6829f60 c6829e74 c6829e68 <0>[ 81.620927] 9e60: c0c5727c c13c7424 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a87180 <0>[ 81.629376] 9e80: b6e45000 0000000b c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668 <0>[ 81.637826] 9ea0: 00000000 c5a87180 b6e45000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8 <0>[ 81.646277] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000 <0>[ 81.654727] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c6829ee0 00000001 b6e44000 <0>[ 81.663176] 9f00: c5d183c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 81.671624] 9f20: 00000000 00000000 c13dc868 bed3adb4 c206c120 c5a87180 c5a87180 c6828000 <0>[ 81.680075] 9f40: b6e45000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974 <0>[ 81.688524] 9f60: 00000000 00000000 c6829fac bed3adb4 0000000b 0000000b b6f8ce00 00000004 <0>[ 81.696972] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8 <0>[ 81.705420] 9fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6e45000 0000000b 00000000 <0>[ 81.713869] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bed90ac4 <0>[ 81.722318] 9fe0: 00000004 bed907f8 b6ef6d8f b6e7d7e6 800e0030 00000001 00000000 00000000 <0>[ 81.730760] Backtrace: <0>[ 81.733501] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.741953] r7:c6829f60 r6:0000000b r5:c6e58000 r4:0000002a <0>[ 81.747888] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.756173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.764362] r9:c6829f60 r8:c53900c0 r7:0000000b r6:b6e45000 r5:c5a87180 r4:c0c5765c <0>[ 81.772386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 81.780489] r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e45000 r5:c5a87180 r4:00000000 <0>[ 81.788507] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.795915] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6828000 r5:c5a87180 <0>[ 81.804012] r4:c5a87180 <0>[ 81.806820] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.814228] r9:c6828000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000000b r4:0000000b <0>[ 81.822249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.830086] Exception stack(0xc6829fa8 to 0xc6829ff0) <0>[ 81.835408] 9fa0: 0000000b 0000000b 00000001 b6e45000 0000000b 00000000 <0>[ 81.843858] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bed90ac4 <0>[ 81.852305] 9fe0: 00000004 bed907f8 b6ef6d8f b6e7d7e6 <0>[ 81.857629] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 81.863997] ---[ end trace 77357beb01f1e273 ]--- 4 # [ 80.916987] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.924826] Exception stack(0xc5a75fa8 to 0xc5a75ff0) # [ 80.930148] 5fa0: 00000014 00000014 00000001 b6dbb000 00000014 00000000 # [ 80.938599] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4 # [ 80.947045] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6 # [ 80.952371] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) # [ 80.958738] ---[ end trace 77357beb01f1e272 ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh # Segmentation fault # [ 81.455309] lkdtm: Performing direct entry WRITE_KERN # [ 81.461959] lkdtm: attempting bad 7795348 byte write at c13c7280 # [ 81.471237] 8<--- cut here --- # [ 81.477344] Unable to handle kernel paging request at virtual address c13c7280 # [ 81.484839] pgd = 855f887b # [ 81.487815] [c13c7280] *pgd=1121940e(bad) # [ 81.492114] Internal error: Oops: 80d [#14] SMP ARM # [ 81.497262] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 81.526594] CPU: 0 PID: 2565 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 81.534605] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.541412] PC is at memcpy+0x50/0x330 # [ 81.545433] LR is at 0xe92dd830 # [ 81.548845] pc : [] lr : [] psr: 200e0013 # [ 81.555380] sp : c6829e2c ip : e1a0c00d fp : c6829e64 # [ 81.560874] r10: 0000000b r9 : c1ad56d0 r8 : e89da800 # [ 81.566368] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 81.573164] r3 : e1a0c00d r2 : 0076f1f4 r1 : c0c5800c r0 : c13c7280 # [ 81.579962] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.587368] Control: 10c5387d Table: 146bc04a DAC: 00000051 # [ 81.593384] Process cat (pid: 2565, stack limit = 0x559a97e2) # [ 81.599399] Stack: (0xc6829e2c to 0xc682a000) # [ 81.604029] 9e20: c0c57fec 0076f294 c6829f60 c15ebd0c c13c7280 # [ 81.612479] 9e40: c13c7280 c13c7464 0000002a c6e58000 0000000b c6829f60 c6829e74 c6829e68 # [ 81.620927] 9e60: c0c5727c c13c7424 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a87180 # [ 81.629376] 9e80: b6e45000 0000000b c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668 # [ 81.637826] 9ea0: 00000000 c5a87180 b6e45000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8 # [ 81.646277] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000 # [ 81.654727] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c6829ee0 00000001 b6e44000 # [ 81.663176] 9f00: c5d183c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.671624] 9f20: 00000000 00000000 c13dc868 bed3adb4 c206c120 c5a87180 c5a87180 c6828000 # [ 81.680075] 9f40: b6e45000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974 # [ 81.688524] 9f60: 00000000 00000000 c6829fac bed3adb4 0000000b 0000000b b6f8ce00 00000004 # [ 81.696972] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8 # [ 81.705420] 9fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6e45000 0000000b 00000000 # [ 81.713869] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bed90ac4 # [ 81.722318] 9fe0: 00000004 bed907f8 b6ef6d8f b6e7d7e6 800e0030 00000001 00000000 00000000 # [ 81.730760] Backtrace: # [ 81.733501] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.741953] r7:c6829f60 r6:0000000b r5:c6e58000 r4:0000002a # [ 81.747888] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.756173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.764362] r9:c6829f60 r8:c53900c0 r7:0000000b r6:b6e45000 r5:c5a87180 r4:c0c5765c # [ 81.772386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.780489] r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e45000 r5:c5a87180 r4:00000000 # [ 81.788507] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.795915] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6828000 r5:c5a87180 # [ 81.804012] r4:c5a87180 # [ 81.806820] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.814228] r9:c6828000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000000b r4:0000000b # [ 81.822249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.830086] Exception stack(0xc6829fa8 to 0xc6829ff0) # [ 81.835408] 9fa0: 0000000b 0000000b 00000001 b6e45000 0000000b<6>[ 82.346910] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 00000000 # [ 81.843858] 9fc0:<6>[ 82.353435] lkdtm: attempting good refcount_inc() without overflow 0000000b 0000000b b6f8ce00 00000<6>[ 82.362794] lkdtm: attempting bad refcount_inc() overflow 004 00000001 00000000 00020000 be<4>[ 82.371524] ------------[ cut here ]------------ d90ac4 # [ 81.852305] 9fe0: 00<4>[ 82.379203] WARNING: CPU: 0 PID: 2641 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 000004 bed907f8 b6ef6d8f b6e7d7e6<4>[ 82.390762] refcount_t: saturated; leaking memory. # [ 81.857629] Code: f5d1f05c<4>[ 82.398778] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 f5d1f07c e8b151f8 e2522020 (e8a0<4>[ 82.430701] CPU: 0 PID: 2641 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 82.441522] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.448314] Backtrace: <4>[ 82.451044] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 82.458884] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 82.464816] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 82.472401] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 82.479631] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 <4>[ 82.487643] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 82.495394] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000 <4>[ 82.501326] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 82.510555] r9:c1ad56dc r8:c15ebd0c r7:c6f09f60 r6:00000016 r5:c6e59000 r4:c6f08000 <4>[ 82.518573] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 82.528501] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 82.538859] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 82.548257] r4:0000002b <4>[ 82.551060] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 82.559338] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 82.567523] r9:c6f09f60 r8:c53900c0 r7:00000016 r6:b6e1a000 r5:c5a87a40 r4:c0c5765c <4>[ 82.575545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 82.583642] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e1a000 r5:c5a87a40 r4:00000000 <4>[ 82.591655] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 82.599058] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6f08000 r5:c5a87a40 <4>[ 82.607151] r4:c5a87a40 <4>[ 82.609955] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 82.617358] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016 <4>[ 82.625373] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 82.633208] Exception stack(0xc6f09fa8 to 0xc6f09ff0) <4>[ 82.638527] 9fa0: 00000016 00000016 00000001 b6e1a000 00000016 00000000 <4>[ 82.646974] 9fc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 be884ac4 <4>[ 82.655418] 9fe0: 00000004 be8847f8 b6ecbd8f b6e527e6 51f8) # [ 81.863997] ---[ end<4>[ 82.660803] irq event stamp: 0 trace 77357beb01f1e273 ]--- # W<4>[ 82.667028] hardirqs last enabled at (0): [<00000000>] 0x0 RITE_KERN: missing 'call trace:':<4>[ 82.675740] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac [FAIL] not ok 41 selftests: lkd<4>[ 82.686359] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac tm: WRITE_KERN.sh # exit=1 # sel<4>[ 82.696983] softirqs last disabled at (0): [<00000000>] 0x0 ftests: lkdtm: REFCOUNT_INC_OVERF<4>[ 82.705691] ---[ end trace 77357beb01f1e274 ]--- LOW.sh <6>[ 82.713414] lkdtm: Overflow detected: saturated # [ 82.346910] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 82.353435] lkdtm: attempting good refcount_inc() without overflow # [ 82.362794] lkdtm: attempting bad refcount_inc() overflow # [ 82.371524] ------------[ cut here ]------------ # [ 82.379203] WARNING: CPU: 0 PID: 2641 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 82.390762] refcount_t: saturated; leaking memory. # [ 82.398778] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 82.430701] CPU: 0 PID: 2641 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 82.441522] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.448314] Backtrace: # [ 82.451044] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.458884] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 82.464816] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.472401] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.479631] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 # [ 82.487643] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.495394] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000 # [ 82.501326] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 82.510555] r9:c1ad56dc r8:c15ebd0c r7:c6f09f60 r6:00000016 r5:c6e59000 r4:c6f08000 # [ 82.518573] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 82.528501] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 82.538859] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.548257] r4:0000002b # [ 82.551060] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.559338] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.567523] r9:c6f09f60 r8:c53900c0 r7:00000016 r6:b6e1a000 r5:c5a87a40 r4:c0c5765c # [ 82.575545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.583642] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e1a000 r5:c5a87a40 r4:00000000 # [ 82.591655] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.599058] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6f08000 r5:c5a87a40 # [ 82.607151] r4:c5a87a40 # [ 82.609955] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.617358] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016 # [ 82.625373] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.633208] Exception stack(0xc6f09fa8 to 0xc6f09ff0) # [ 82.638527] 9fa0: 00000016 00000016 00000001 b6e1a000 00000016 00000000 # [ 82.646974] 9fc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 be884ac4 # [ 82.655418] 9fe0: 00000004 be8847f8 b6ecbd8f b6e527e6 # [ 82.660803] irq event stamp: 0 # [ 82.667028] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 82.675740] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.686359] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.696983] softirqs last disabled at (0): [<00000000>] 0x0 # [ 82.705691] ---[ end trace 77357beb01f1e27<6>[ 83.129807] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 4 ]--- # [ 82.713414] lkdtm: O<6>[ 83.137844] lkdtm: attempting good refcount_add() without overflow verflow detected: saturated # RE<6>[ 83.147069] lkdtm: attempting bad refcount_add() overflow FCOUNT_INC_OVERFLOW: missing 'cal<4>[ 83.155688] ------------[ cut here ]------------ l trace:': [FAIL] not ok 42 self<4>[ 83.163337] WARNING: CPU: 1 PID: 2676 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 tests: lkdtm: REFCOUNT_INC_OVERFL<4>[ 83.174903] refcount_t: saturated; leaking memory. OW.sh # exit=1 # selftests: lkdt<4>[ 83.182764] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 m: REFCOUNT_ADD_OVERFLOW.sh <4>[ 83.214783] CPU: 1 PID: 2676 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 83.225248] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.232041] Backtrace: <4>[ 83.234770] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.242610] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 83.248543] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 83.256127] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 83.263357] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 <4>[ 83.271374] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 83.279125] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f16000 <4>[ 83.285058] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 83.294286] r9:c1ad56f4 r8:c15ebd0c r7:c6f17f60 r6:00000016 r5:c466a000 r4:c6f16000 <4>[ 83.302304] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 83.312233] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 83.322592] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.331989] r4:0000002c <4>[ 83.334793] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.343071] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.351255] r9:c6f17f60 r8:c53900c0 r7:00000016 r6:b6dbf000 r5:c5b1c140 r4:c0c5765c <4>[ 83.359274] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.367373] r9:c07e16c4 r8:c6f17f60 r7:c2815800 r6:b6dbf000 r5:c5b1c140 r4:00000000 <4>[ 83.375384] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 83.382790] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c6f16000 r5:c5b1c140 <4>[ 83.390884] r4:c5b1c140 <4>[ 83.393688] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 83.401092] r9:c6f16000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000016 r4:00000016 <4>[ 83.409107] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 83.416943] Exception stack(0xc6f17fa8 to 0xc6f17ff0) <4>[ 83.422264] 7fa0: 00000016 00000016 00000001 b6dbf000 00000016 00000000 <4>[ 83.430711] 7fc0: 00000016 00000016 b6f06e00 00000004 00000001 00000000 00020000 bedbdac4 <4>[ 83.439157] 7fe0: 00000004 bedbd7f8 b6e70d8f b6df77e6 <4>[ 83.444520] irq event stamp: 0 <4>[ 83.447858] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 83.453733] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 83.461494] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 83.469288] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 83.475170] ---[ end trace 77357beb01f1e275 ]--- <6>[ 83.480067] lkdtm: Overflow detected: saturated # [ 83.129807] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 83.137844] lkdtm: attempting good refcount_add() without overflow # [ 83.147069] lkdtm: attempting bad refcount_add() overflow # [ 83.155688] ------------[ cut here ]------------ # [ 83.163337] WARNING: CPU: 1 PID: 2676 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 83.174903] refcount_t: saturated; leaking memory. # [ 83.182764] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 83.214783] CPU: 1 PID: 2676 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 83.225248] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.232041] Backtrace: # [ 83.234770] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.242610] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 83.248543] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.256127] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.263357] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 # [ 83.271374] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.279125] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f16000 # [ 83.285058] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 83.294286] r9:c1ad56f4 r8:c15ebd0c r7:c6f17f60 r6:00000016 r5:c466a000 r4:c6f16000 # [ 83.302304] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 83.312233] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 83.322592] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.331989] r4:0000002c # [ 83.334793] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.343071] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.351255] r9:c6f17f60 r8:c53900c0 r7:00000016 r6:b6dbf000 r5:c5b1c140 r4:c0c5765c # [ 83.359274] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.367373] r9:c07e16c4 r8:c6f17f60 r7:c2815800 r6:b6dbf000 r5:c5b1c140 r4:00000000 # [ 83.375384] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.382790] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c6f16000 r5:c5b1c140 # [ 83.390884] r4:c5b1c140 # [ 83.393688] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.401092] r9:c6f16000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000016 r4:00000016 # [ 83.409107] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.416943] Exception stack(0xc6f17fa8 to 0xc6f17ff0) # [ 83.422264] 7fa0: 00000016 00000016 00000001 b6dbf000 00000016 00000000 # [ 83.430711] 7fc0: 00000016 00000016 b6f06e00 00000004 00000001 00000000 00020000 bedbdac4 # [ 83.439157] 7fe0: 00000004 bedbd7f8 b6e70d8f b6df77e6 # [ 83.444520] irq event stamp: 0 # [ 83.447858] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.453733] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.461494] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.469288] softirqs last disabled at (0): [<00000000>] 0x0 # [ 83.475170] ---[ end trace 77357b<6>[ 83.888617] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW eb01f1e275 ]--- # [ 83.480067]<6>[ 83.898080] lkdtm: attempting bad refcount_inc_not_zero() overflow lkdtm: Overflow detected: satura<4>[ 83.907455] ------------[ cut here ]------------ ted # REFCOUNT_ADD_OVERFLOW: mis<4>[ 83.915240] WARNING: CPU: 0 PID: 2711 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 sing 'call trace:': [FAIL] not o<4>[ 83.926773] refcount_t: saturated; leaking memory. k 43 selftests: lkdtm: REFCOUNT_A<4>[ 83.934709] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 DD_OVERFLOW.sh # exit=1 # selfte<4>[ 83.966694] CPU: 0 PID: 2711 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 83.977517] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.984310] Backtrace: <4>[ 83.987038] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.994879] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 84.000810] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.008394] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.015626] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 <4>[ 84.023638] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.031388] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c2fb2000 <4>[ 84.037320] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 84.046548] r9:c1ad570c r8:c15ebd0c r7:c2fb3f60 r6:0000001f r5:c5c09000 r4:7fffffff <4>[ 84.054566] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 84.065274] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 84.077188] r5:c5c09000 r4:c2fb2000 <4>[ 84.081037] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.091215] r4:0000002d <4>[ 84.094018] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.102297] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.110483] r9:c2fb3f60 r8:c53900c0 r7:0000001f r6:b6e68000 r5:c5a14a00 r4:c0c5765c <4>[ 84.118503] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.126601] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e68000 r5:c5a14a00 r4:00000000 <4>[ 84.134615] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.142019] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c2fb2000 r5:c5a14a00 <4>[ 84.150113] r4:c5a14a00 <4>[ 84.152917] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.160322] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:0000001f r4:0000001f <4>[ 84.168337] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.176171] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) <4>[ 84.181491] 3fa0: 0000001f 0000001f 00000001 b6e68000 0000001f 00000000 <4>[ 84.189938] 3fc0: 0000001f 0000001f b6fafe00 00000004 00000001 00000000 00020000 beca6ac4 <4>[ 84.198383] 3fe0: 00000004 beca67f8 b6f19d8f b6ea07e6 sts: lkdtm: REFCOUNT_INC_NOT_ZERO<4>[ 84.203760] irq event stamp: 0 _OVERFLOW.sh <4>[ 84.209931] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.216980] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.224760] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.232514] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 84.238377] ---[ end trace 77357beb01f1e276 ]--- <6>[ 84.243266] lkdtm: Overflow detected: saturated # [ 83.888617] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 83.898080] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 83.907455] ------------[ cut here ]------------ # [ 83.915240] WARNING: CPU: 0 PID: 2711 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 83.926773] refcount_t: saturated; leaking memory. # [ 83.934709] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 83.966694] CPU: 0 PID: 2711 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 83.977517] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.984310] Backtrace: # [ 83.987038] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.994879] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 84.000810] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.008394] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.015626] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 # [ 84.023638] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.031388] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c2fb2000 # [ 84.037320] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 84.046548] r9:c1ad570c r8:c15ebd0c r7:c2fb3f60 r6:0000001f r5:c5c09000 r4:7fffffff # [ 84.054566] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 84.065274] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 84.077188] r5:c5c09000 r4:c2fb2000 # [ 84.081037] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.091215] r4:0000002d # [ 84.094018] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.102297] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.110483] r9:c2fb3f60 r8:c53900c0 r7:0000001f r6:b6e68000 r5:c5a14a00 r4:c0c5765c # [ 84.118503] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.126601] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e68000 r5:c5a14a00 r4:00000000 # [ 84.134615] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.142019] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c2fb2000 r5:c5a14a00 # [ 84.150113] r4:c5a14a00 # [ 84.152917] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.160322] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:0000001f r4:0000001f # [ 84.168337] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.176171] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) # [ 84.181491] 3fa0: 0000001f 0000001f 00000001 b6e68000 0000001f 00000000 # [ 84.189938] 3fc0: 0000001f 0000001f b6fafe00 00000004 00000001 00000000 00020000 beca6ac4 # [ 84.198383] 3fe0: 00000004 beca67f8 b6f19d8f b6ea07e6 # [ 84.203760] irq event stamp: 0 # [ 84.209931] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.216980] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.224760] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.232514] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.238377] ---[ end trace 77357beb01f1e276 ]--- # [ 84.243266] lkdtm: Overflow detected: saturated #<6>[ 84.668438] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW REFCOUNT_INC_NOT_ZERO_OVERFLOW: <6>[ 84.675966] lkdtm: attempting bad refcount_add_not_zero() overflow missing 'call trace:': [FAIL] no<4>[ 84.685207] ------------[ cut here ]------------ t ok 44 selftests: lkdtm: REFCOUN<4>[ 84.692914] WARNING: CPU: 1 PID: 2746 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 T_INC_NOT_ZERO_OVERFLOW.sh # exit<4>[ 84.704596] refcount_t: saturated; leaking memory. =1 # selftests: lkdtm: REFCOUNT_<4>[ 84.712390] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 ADD_NOT_ZERO_OVERFLOW.sh <4>[ 84.744449] CPU: 1 PID: 2746 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 84.754592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.761385] Backtrace: <4>[ 84.764115] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.771954] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 84.777888] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.785473] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.792705] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 <4>[ 84.800718] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.808469] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000 <4>[ 84.814400] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 84.823626] r9:c1ad572c r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c6ea5000 r4:7fffffff <4>[ 84.831643] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 84.842351] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 84.854264] r5:c6ea5000 r4:c6e00000 <4>[ 84.858113] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.868290] r4:0000002e <4>[ 84.871094] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.879371] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.887557] r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6dd3000 r5:c4272b40 r4:c0c5765c <4>[ 84.895575] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.903674] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dd3000 r5:c4272b40 r4:00000000 <4>[ 84.911686] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.919090] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6e00000 r5:c4272b40 <4>[ 84.927183] r4:c4272b40 <4>[ 84.929986] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.937390] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:0000001f r4:0000001f <4>[ 84.945405] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.953239] Exception stack(0xc6e01fa8 to 0xc6e01ff0) <4>[ 84.958560] 1fa0: 0000001f 0000001f 00000001 b6dd3000 0000001f 00000000 <4>[ 84.967006] 1fc0: 0000001f 0000001f b6f1ae00 00000004 00000001 00000000 00020000 bedfeac4 <4>[ 84.975450] 1fe0: 00000004 bedfe7f8 b6e84d8f b6e0b7e6 <4>[ 84.980820] irq event stamp: 0 <4>[ 84.984175] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.990026] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.997817] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.005611] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.011466] ---[ end trace 77357beb01f1e277 ]--- <6>[ 85.016413] lkdtm: Overflow detected: saturated # [ 84.668438] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 84.675966] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 84.685207] ------------[ cut here ]------------ # [ 84.692914] WARNING: CPU: 1 PID: 2746 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 84.704596] refcount_t: saturated; leaking memory. # [ 84.712390] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 84.744449] CPU: 1 PID: 2746 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 84.754592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.761385] Backtrace: # [ 84.764115] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.771954] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 84.777888] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.785473] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.792705] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 # [ 84.800718] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.808469] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000 # [ 84.814400] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 84.823626] r9:c1ad572c r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c6ea5000 r4:7fffffff # [ 84.831643] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 84.842351] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 84.854264] r5:c6ea5000 r4:c6e00000 # [ 84.858113] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.868290] r4:0000002e # [ 84.871094] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.879371] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.887557] r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6dd3000 r5:c4272b40 r4:c0c5765c # [ 84.895575] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.903674] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dd3000 r5:c4272b40 r4:00000000 # [ 84.911686] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.919090] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6e00000 r5:c4272b40 # [ 84.927183] r4:c4272b40 # [ 84.929986] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.937390] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:0000001f r4:0000001f # [ 84.945405] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.953239] Exception stack(0xc6e01fa8 to 0xc6e01ff0) # [ 84.958560] 1fa0: 0000001f 0000001f 00000001 b6dd3000 0000001f 00000000 # [ 84.967006] 1fc0: 0000001f 0000001f b6f1ae00 00000004 00000001 00000000 00020000 bedfeac4 # [ 84.975450] 1fe0: 00000004 bedfe7f8 b6e84d8f b6e0b7e6 # [ 84.980820] irq event stamp: 0 # [ 84.984175] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.990026] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.997817] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.005611] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.011466] ---[ end trace 77357beb01f1e277 ]--- # [ 85.016413] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: miss<6>[ 85.454919] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ing 'call trace:': [FAIL] < 6n>o[ 85.463578] lkdtm: attempting good refcount_dec() ok 45 selftests: lkdtm: REFCOUNT<6>[ 85.471101] lkdtm: attempting bad refcount_dec() to zero _ADD_NOT_ZERO_OVERFLOW.sh # exit=<4>[ 85.479645] ------------[ cut here ]------------ 1 # selftests: lkdtm: REFCOUNT_D<4>[ 85.487292] WARNING: CPU: 1 PID: 2781 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 EC_ZERO.sh <4>[ 85.498838] refcount_t: decrement hit 0; leaking memory. <4>[ 85.505443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 85.534854] CPU: 1 PID: 2781 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 85.542865] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.549657] Backtrace: <4>[ 85.552384] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.560224] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 85.566155] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.573740] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.580971] r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834 <4>[ 85.588984] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.596735] r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6e00000 <4>[ 85.602666] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 85.611891] r9:c1ad574c r8:c15ebd0c r7:c6e01f60 r6:00000012 r5:c6ea5000 r4:c6e00000 <4>[ 85.619907] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 85.629832] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 85.639845] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.648894] r4:0000002f <4>[ 85.651696] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.659974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.668160] r9:c6e01f60 r8:c53900c0 r7:00000012 r6:b6dbb000 r5:c5a4e640 r4:c0c5765c <4>[ 85.676179] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.684277] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dbb000 r5:c5a4e640 r4:00000000 <4>[ 85.692288] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.699691] r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6e00000 r5:c5a4e640 <4>[ 85.707785] r4:c5a4e640 <4>[ 85.710589] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.717993] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000012 r4:00000012 <4>[ 85.726007] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.733841] Exception stack(0xc6e01fa8 to 0xc6e01ff0) <4>[ 85.739162] 1fa0: 00000012 00000012 00000001 b6dbb000 00000012 00000000 <4>[ 85.747610] 1fc0: 00000012 00000012 b6f02e00 00000004 00000001 00000000 00020000 bef99ac4 <4>[ 85.756052] 1fe0: 00000004 bef997f8 b6e6cd8f b6df37e6 <4>[ 85.761422] irq event stamp: 0 <4>[ 85.764776] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.770628] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.778420] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.786243] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.792093] ---[ end trace 77357beb01f1e278 ]--- <6>[ 85.797020] lkdtm: Zero detected: saturated # [ 85.454919] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 85.463578] lkdtm: attempting good refcount_dec() # [ 85.471101] lkdtm: attempting bad refcount_dec() to zero # [ 85.479645] ------------[ cut here ]------------ # [ 85.487292] WARNING: CPU: 1 PID: 2781 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 85.498838] refcount_t: decrement hit 0; leaking memory. # [ 85.505443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 85.534854] CPU: 1 PID: 2781 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 85.542865] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.549657] Backtrace: # [ 85.552384] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.560224] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 85.566155] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.573740] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.580971] r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834 # [ 85.588984] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.596735] r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6e00000 # [ 85.602666] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 85.611891] r9:c1ad574c r8:c15ebd0c r7:c6e01f60 r6:00000012 r5:c6ea5000 r4:c6e00000 # [ 85.619907] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 85.629832] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 85.639845] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.648894] r4:0000002f # [ 85.651696] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.659974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.668160] r9:c6e01f60 r8:c53900c0 r7:00000012 r6:b6dbb000 r5:c5a4e640 r4:c0c5765c # [ 85.676179] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.684277] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dbb000 r5:c5a4e640 r4:00000000 # [ 85.692288] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.699691] r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6e00000 r5:c5a4e640 # [ 85.707785] r4:c5a4e640 # [ 85.710589] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.717993] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000012 r4:00000012 # [ 85.726007] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.733841] Exception stack(0xc6e01fa8 to 0xc6e01ff0) # [ 85.739162] 1fa0: 00000012 00000012 00000001 b6dbb000 00000012 00000000 # [ 85.747610] 1fc0: 00000012 00000012 b6f02e00 00000004 00000001 00000000 00020000 bef99ac4 # [ 85.756052] 1fe0: 00000004 bef997f8 b6e6cd8f b6df37e6 # [ 85.761422] irq event stamp: 0 # [ 85.764776] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.770628] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.778420] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.786243] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.792093] ---[ end trace 77357beb01f1e278 ]--- # [ 85.797020] 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>[ 86.232106] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 86.240789] lkdtm: attempting bad refcount_dec() below zero <4>[ 86.246698] ------------[ cut here ]------------ <4>[ 86.251612] WARNING: CPU: 2 PID: 2819 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 86.260462] refcount_t: decrement hit 0; leaking memory. <4>[ 86.266095] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 86.295501] CPU: 2 PID: 2819 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 86.303512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.310305] Backtrace: <4>[ 86.313035] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.320875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 86.326809] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.334394] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.341628] r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834 <4>[ 86.349641] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.357390] r7:0000001f r6:c1a29834 r5:c1a29898 r4:c2fb2000 <4>[ 86.363322] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 86.372550] r9:c1ad5760 r8:c15ebd0c r7:c2fb3f60 r6:00000016 r5:00000000 r4:c2fb2000 <4>[ 86.380568] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 86.390493] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 86.400854] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.410250] r5:c6dab000 r4:00000030 <4>[ 86.414095] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.422373] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.430559] r9:c2fb3f60 r8:c53900c0 r7:00000016 r6:b6eab000 r5:c5d18b40 r4:c0c5765c <4>[ 86.438578] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.446676] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6eab000 r5:c5d18b40 r4:00000000 <4>[ 86.454689] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.462093] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c2fb2000 r5:c5d18b40 <4>[ 86.470185] r4:c5d18b40 <4>[ 86.472990] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.480394] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000016 r4:00000016 <4>[ 86.488408] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.496243] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) <4>[ 86.501563] 3fa0: 00000016 00000016 00000001 b6eab000 00000016 00000000 <4>[ 86.510011] 3fc0: 00000016 00000016 b6ff2e00 00000004 00000001 00000000 00020000 be9f4ac4 <4>[ 86.518454] 3fe0: 00000004 be9f47f8 b6f5cd8f b6ee37e6 <4>[ 86.523842] irq event stamp: 0 <4>[ 86.527195] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.533070] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.540863] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.548678] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.554570] ---[ end trace 77357beb01f1e279 ]--- <6>[ 86.559475] lkdtm: Negative detected: saturated # [ 86.232106] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 86.240789] lkdtm: attempting bad refcount_dec() below zero # [ 86.246698] ------------[ cut here ]------------ # [ 86.251612] WARNING: CPU: 2 PID: 2819 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 86.260462] refcount_t: decrement hit 0; leaking memory. # [ 86.266095] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 86.295501] CPU: 2 PID: 2819 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 86.303512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.310305] Backtrace: # [ 86.313035] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.320875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.326809] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.334394] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.341628] r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834 # [ 86.349641] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.357390] r7:0000001f r6:c1a29834 r5:c1a29898 r4:c2fb2000 # [ 86.363322] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 86.372550] r9:c1ad5760 r8:c15ebd0c r7:c2fb3f60 r6:00000016 r5:00000000 r4:c2fb2000 # [ 86.380568] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 86.390493] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 86.400854] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.410250] r5:c6dab000 r4:00000030 # [ 86.414095] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.422373] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.430559] r9:c2fb3f60 r8:c53900c0 r7:00000016 r6:b6eab000 r5:c5d18b40 r4:c0c5765c # [ 86.438578] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.446676] r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6eab000 r5:c5d18b40 r4:00000000 # [ 86.454689] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.462093] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c2fb2000 r5:c5d18b40 # [ 86.470185] r4:c5d18b40 # [ 86.472990] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.480394] r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000016 r4:00000016 # [ 86.488408] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.496243] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0) # [ 86.501563] 3fa0: 00000016 00000016 00000001 b6eab000 00000016 00000000 # [ 86.510011] 3fc0: 00000016 00000016 b6ff2e00 00000004 00000001 00000000 00020000 be9f4ac4 # [ 86.518454] 3fe0: 00000004 be9f47f8 b6f5cd8f b6ee37e6 # [ 86.523842] irq event stamp: 0 # [ 86.527195] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.533070] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.540863] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.548678] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.554570] ---[ end trace 77357beb01f1e279 ]--- # [ 86.559475] 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>[ 87.002143] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 87.009266] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 87.016075] ------------[ cut here ]------------ <4>[ 87.021011] WARNING: CPU: 1 PID: 2855 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 87.029837] refcount_t: underflow; use-after-free. <4>[ 87.034953] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 87.064375] CPU: 1 PID: 2855 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 87.072387] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.079181] Backtrace: <4>[ 87.081910] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.089750] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 87.095680] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.103266] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.110497] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 <4>[ 87.118509] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.126258] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000 <4>[ 87.132190] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 87.141504] r9:c1ad5778 r8:c15ebd0c r7:c6a67f60 r6:0000001f r5:00000000 r4:c6a66000 <4>[ 87.149520] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 87.160231] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 87.172153] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.182332] r5:c6d6a000 r4:00000031 <4>[ 87.186179] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.194458] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.202643] r9:c6a67f60 r8:c53900c0 r7:0000001f r6:b6ea5000 r5:c5a4f540 r4:c0c5765c <4>[ 87.210663] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.218761] r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6ea5000 r5:c5a4f540 r4:00000000 <4>[ 87.226773] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.234177] r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c6a66000 r5:c5a4f540 <4>[ 87.242271] r4:c5a4f540 <4>[ 87.245074] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.252478] r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000001f r4:0000001f <4>[ 87.260492] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.268326] Exception stack(0xc6a67fa8 to 0xc6a67ff0) <4>[ 87.273647] 7fa0: 0000001f 0000001f 00000001 b6ea5000 0000001f 00000000 <4>[ 87.282094] 7fc0: 0000001f 0000001f b6fece00 00000004 00000001 00000000 00020000 befdbac4 <4>[ 87.290536] 7fe0: 00000004 befdb7f8 b6f56d8f b6edd7e6 <4>[ 87.295911] irq event stamp: 0 <4>[ 87.299244] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.305121] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.312920] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.320734] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.326656] ---[ end trace 77357beb01f1e27a ]--- <6>[ 87.331550] lkdtm: Negative detected: saturated # [ 87.002143] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 87.009266] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 87.016075] ------------[ cut here ]------------ # [ 87.021011] WARNING: CPU: 1 PID: 2855 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 87.029837] refcount_t: underflow; use-after-free. # [ 87.034953] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 87.064375] CPU: 1 PID: 2855 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 87.072387] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.079181] Backtrace: # [ 87.081910] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.089750] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.095680] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.103266] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.110497] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 # [ 87.118509] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.126258] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000 # [ 87.132190] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 87.141504] r9:c1ad5778 r8:c15ebd0c r7:c6a67f60 r6:0000001f r5:00000000 r4:c6a66000 # [ 87.149520] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 87.160231] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 87.172153] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.182332] r5:c6d6a000 r4:00000031 # [ 87.186179] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.194458] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.202643] r9:c6a67f60 r8:c53900c0 r7:0000001f r6:b6ea5000 r5:c5a4f540 r4:c0c5765c # [ 87.210663] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.218761] r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6ea5000 r5:c5a4f540 r4:00000000 # [ 87.226773] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.234177] r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c6a66000 r5:c5a4f540 # [ 87.242271] r4:c5a4f540 # [ 87.245074] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.252478] r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000001f r4:0000001f # [ 87.260492] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.268326] Exception stack(0xc6a67fa8 to 0xc6a67ff0) # [ 87.273647] 7fa0: 0000001f 0000001f 00000001 b6ea5000 0000001f 00000000 # [ 87.282094] 7fc0: 0000001f 0000001f b6fece00 00000004 00000001 00000000 00020000 befdbac4 # [ 87.290536] 7fe0: 00000004 befdb7f8 b6f56d8f b6edd7e6 # [ 87.295911] irq event stamp: 0 # [ 87.299244] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.305121] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.312920] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.320734] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.326656] ---[ end trace 77357beb01f1e27a ]--- # [ 87.331550] 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>[ 87.772644] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 87.781115] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 87.787773] ------------[ cut here ]------------ <4>[ 87.792680] WARNING: CPU: 2 PID: 2891 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 87.801521] refcount_t: underflow; use-after-free. <4>[ 87.806611] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 87.836036] CPU: 2 PID: 2891 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 87.844047] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.850840] Backtrace: <4>[ 87.853570] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.861411] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 87.867344] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.874930] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.882161] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 <4>[ 87.890176] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.897926] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6e00000 <4>[ 87.903856] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 87.913173] r9:c1ad5798 r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c5cc1000 r4:c6e00000 <4>[ 87.921189] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 87.931901] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 87.943822] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.954000] r4:00000032 <4>[ 87.956804] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.965083] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.973268] r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6ded000 r5:c5d19400 r4:c0c5765c <4>[ 87.981288] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.989385] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6ded000 r5:c5d19400 r4:00000000 <4>[ 87.997397] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.004800] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6e00000 r5:c5d19400 <4>[ 88.012893] r4:c5d19400 <4>[ 88.015698] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.023102] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000001f r4:0000001f <4>[ 88.031117] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.038953] Exception stack(0xc6e01fa8 to 0xc6e01ff0) <4>[ 88.044272] 1fa0: 0000001f 0000001f 00000001 b6ded000 0000001f 00000000 <4>[ 88.052720] 1fc0: 0000001f 0000001f b6f34e00 00000004 00000001 00000000 00020000 beb78ac4 <4>[ 88.061164] 1fe0: 00000004 beb787f8 b6e9ed8f b6e257e6 <4>[ 88.066540] irq event stamp: 0 <4>[ 88.069875] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.075751] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.083528] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.091319] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.097195] ---[ end trace 77357beb01f1e27b ]--- <6>[ 88.102088] lkdtm: Negative detected: saturated # [ 87.772644] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 87.781115] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 87.787773] ------------[ cut here ]------------ # [ 87.792680] WARNING: CPU: 2 PID: 2891 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 87.801521] refcount_t: underflow; use-after-free. # [ 87.806611] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 87.836036] CPU: 2 PID: 2891 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 87.844047] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.850840] Backtrace: # [ 87.853570] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.861411] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.867344] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.874930] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.882161] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 # [ 87.890176] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.897926] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6e00000 # [ 87.903856] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 87.913173] r9:c1ad5798 r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c5cc1000 r4:c6e00000 # [ 87.921189] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 87.931901] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 87.943822] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.954000] r4:00000032 # [ 87.956804] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.965083] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.973268] r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6ded000 r5:c5d19400 r4:c0c5765c # [ 87.981288] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.989385] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6ded000 r5:c5d19400 r4:00000000 # [ 87.997397] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.004800] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6e00000 r5:c5d19400 # [ 88.012893] r4:c5d19400 # [ 88.015698] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.023102] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000001f r4:0000001f # [ 88.031117] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.038953] Exception stack(0xc6e01fa8 to 0xc6e01ff0) # [ 88.044272] 1fa0: 0000001f 0000001f 00000001 b6ded000 0000001f 00000000 # [ 88.052720] 1fc0: 0000001f 0000001f b6f34e00 00000004 00000001 00000000 00020000 beb78ac4 # [ 88.061164] 1fe0: 00000004 beb787f8 b6e9ed8f b6e257e6 # [ 88.066540] irq event stamp: 0 # [ 88.069875] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.075751] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.083528] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.091319] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.097195] ---[ end trace 77357beb01f1e27b ]--- # [ 88.102088] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 88.551809] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 88.557803] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 88.564531] lkdtm: Good: zero detected <6>[ 88.568579] lkdtm: Correctly stayed at zero <6>[ 88.573031] lkdtm: attempting bad refcount_inc() from zero <4>[ 88.578837] ------------[ cut here ]------------ <4>[ 88.583786] WARNING: CPU: 2 PID: 2924 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 88.592582] refcount_t: addition on 0; use-after-free. <4>[ 88.598017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 88.627410] CPU: 2 PID: 2924 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 88.635421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.642213] Backtrace: <4>[ 88.644941] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.652782] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 88.658712] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.666298] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.673529] r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834 <4>[ 88.681543] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.689293] r7:00000019 r6:c1a29834 r5:c1a29844 r4:c6eaa000 <4>[ 88.695224] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 88.704537] r9:c1ad57b8 r8:c15ebd0c r7:c6eabf60 r6:00000012 r5:00000000 r4:c6eaa000 <4>[ 88.712555] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 88.722483] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 88.732493] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.741544] r5:c5a49000 r4:00000033 <4>[ 88.745390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.753671] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.761858] r9:c6eabf60 r8:c53900c0 r7:00000012 r6:b6db6000 r5:c5a377c0 r4:c0c5765c <4>[ 88.769875] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.777973] r9:c07e16c4 r8:c6eabf60 r7:c2815800 r6:b6db6000 r5:c5a377c0 r4:00000000 <4>[ 88.785985] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.793389] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6eaa000 r5:c5a377c0 <4>[ 88.801483] r4:c5a377c0 <4>[ 88.804288] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.811691] r9:c6eaa000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000012 r4:00000012 <4>[ 88.819705] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.827539] Exception stack(0xc6eabfa8 to 0xc6eabff0) <4>[ 88.832860] bfa0: 00000012 00000012 00000001 b6db6000 00000012 00000000 <4>[ 88.841307] bfc0: 00000012 00000012 b6efde00 00000004 00000001 00000000 00020000 bec77ac4 <4>[ 88.849751] bfe0: 00000004 bec777f8 b6e67d8f b6dee7e6 <4>[ 88.855119] irq event stamp: 0 <4>[ 88.858452] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.864326] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.872091] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.879891] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.885790] ---[ end trace 77357beb01f1e27c ]--- <6>[ 88.890685] lkdtm: Zero detected: saturated # [ 88.551809] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 88.557803] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 88.564531] lkdtm: Good: zero detected # [ 88.568579] lkdtm: Correctly stayed at zero # [ 88.573031] lkdtm: attempting bad refcount_inc() from zero # [ 88.578837] ------------[ cut here ]------------ # [ 88.583786] WARNING: CPU: 2 PID: 2924 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 88.592582] refcount_t: addition on 0; use-after-free. # [ 88.598017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 88.627410] CPU: 2 PID: 2924 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 88.635421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.642213] Backtrace: # [ 88.644941] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.652782] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.658712] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.666298] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.673529] r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834 # [ 88.681543] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.689293] r7:00000019 r6:c1a29834 r5:c1a29844 r4:c6eaa000 # [ 88.695224] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 88.704537] r9:c1ad57b8 r8:c15ebd0c r7:c6eabf60 r6:00000012 r5:00000000 r4:c6eaa000 # [ 88.712555] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 88.722483] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 88.732493] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.741544] r5:c5a49000 r4:00000033 # [ 88.745390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.753671] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.761858] r9:c6eabf60 r8:c53900c0 r7:00000012 r6:b6db6000 r5:c5a377c0 r4:c0c5765c # [ 88.769875] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.777973] r9:c07e16c4 r8:c6eabf60 r7:c2815800 r6:b6db6000 r5:c5a377c0 r4:00000000 # [ 88.785985] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.793389] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6eaa000 r5:c5a377c0 # [ 88.801483] r4:c5a377c0 # [ 88.804288] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.811691] r9:c6eaa000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000012 r4:00000012 # [ 88.819705] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.827539] Exception stack(0xc6eabfa8 to 0xc6eabff0) # [ 88.832860] bfa0: 00000012 00000012 00000001 b6db6000 00000012 00000000 # [ 88.841307] bfc0: 00000012 00000012 b6efde00 00000004 00000001 00000000 00020000 bec77ac4 # [ 88.849751] bfe0: 00000004 bec777f8 b6e67d8f b6dee7e6 # [ 88.855119] irq event stamp: 0 # [ 88.858452] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.864326] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.872091] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.879891] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.885790] ---[ end trace 77357beb01f1e27c ]--- # [ 88.890685] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 89.336534] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # exit=1 # selftests: lkdtm: REF<6>[ 89.344975] lkdtm: attempting safe refcount_add_not_zero() from zero COUNT_ADD_ZERO.sh <6>[ 89.354375] lkdtm: Good: zero detected <6>[ 89.359981] lkdtm: Correctly stayed at zero <6>[ 89.364573] lkdtm: attempting bad refcount_add() from zero <4>[ 89.370356] ------------[ cut here ]------------ <4>[ 89.375286] WARNING: CPU: 2 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 89.384106] refcount_t: addition on 0; use-after-free. <4>[ 89.389515] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 89.418931] CPU: 2 PID: 2959 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 89.426943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.433735] Backtrace: <4>[ 89.436465] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.444305] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.450238] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.457822] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.465054] r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834 <4>[ 89.473067] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.480816] r7:00000019 r6:c1a29834 r5:c1a29844 r4:c473a000 <4>[ 89.486746] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 89.496059] r9:c1ad57cc r8:c15ebd0c r7:c473bf60 r6:00000012 r5:00000000 r4:c473a000 <4>[ 89.504077] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 89.514005] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 89.524018] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.533070] r5:c5a49000 r4:00000034 <4>[ 89.536914] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.545193] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.553379] r9:c473bf60 r8:c53900c0 r7:00000012 r6:b6df2000 r5:c5d18f00 r4:c0c5765c <4>[ 89.561400] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.569498] r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6df2000 r5:c5d18f00 r4:00000000 <4>[ 89.577511] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.584913] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c473a000 r5:c5d18f00 <4>[ 89.593007] r4:c5d18f00 <4>[ 89.595811] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.603214] r9:c473a000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012 <4>[ 89.611229] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.619064] Exception stack(0xc473bfa8 to 0xc473bff0) <4>[ 89.624385] bfa0: 00000012 00000012 00000001 b6df2000 00000012 00000000 <4>[ 89.632832] bfc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 beb05ac4 <4>[ 89.641275] bfe0: 00000004 beb057f8 b6ea3d8f b6e2a7e6 <4>[ 89.646643] irq event stamp: 0 <4>[ 89.649975] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.655849] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.663617] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.671420] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.677324] ---[ end trace 77357beb01f1e27d ]--- <6>[ 89.682223] lkdtm: Zero detected: saturated # [ 89.336534] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 89.344975] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 89.354375] lkdtm: Good: zero detected # [ 89.359981] lkdtm: Correctly stayed at zero # [ 89.364573] lkdtm: attempting bad refcount_add() from zero # [ 89.370356] ------------[ cut here ]------------ # [ 89.375286] WARNING: CPU: 2 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 89.384106] refcount_t: addition on 0; use-after-free. # [ 89.389515] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 89.418931] CPU: 2 PID: 2959 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 89.426943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.433735] Backtrace: # [ 89.436465] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.444305] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.450238] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.457822] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.465054] r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834 # [ 89.473067] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.480816] r7:00000019 r6:c1a29834 r5:c1a29844 r4:c473a000 # [ 89.486746] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 89.496059] r9:c1ad57cc r8:c15ebd0c r7:c473bf60 r6:00000012 r5:00000000 r4:c473a000 # [ 89.504077] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 89.514005] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 89.524018] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.533070] r5:c5a49000 r4:00000034 # [ 89.536914] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.545193] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.553379] r9:c473bf60 r8:c53900c0 r7:00000012 r6:b6df2000 r5:c5d18f00 r4:c0c5765c # [ 89.561400] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.569498] r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6df2000 r5:c5d18f00 r4:00000000 # [ 89.577511] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.584913] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c473a000 r5:c5d18f00 # [ 89.593007] r4:c5d18f00 # [ 89.595811] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.603214] r9:c473a000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012 # [ 89.611229] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.619064] Exception stack(0xc473bfa8 to 0xc473bff0) # [ 89.624385] bfa0: 00000012 00000012 00000001 b6df2000 00000012 00000000 # [ 89.632832] bfc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 beb05ac4 # [ 89.641275] bfe0: 00000004 beb057f8 b6ea3d8f b6e2a7e6 # [ 89.646643] irq event stamp: 0 # [ 89.649975] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.655849] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.663617] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.671420] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.677324] ---[ end trace 77357beb01f1e27d ]--- # [ 89.682223] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh <6>[ 90.142609] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 90.149127] lkdtm: attempting bad refcount_inc() from saturated <4>[ 90.155393] ------------[ cut here ]------------ <4>[ 90.160344] WARNING: CPU: 1 PID: 2997 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 90.169207] refcount_t: saturated; leaking memory. <4>[ 90.174320] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 90.203715] CPU: 1 PID: 2997 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 90.211727] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.218520] Backtrace: <4>[ 90.221251] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.229090] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 90.235023] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.242608] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.249839] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 <4>[ 90.257853] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.265605] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c473a000 <4>[ 90.271538] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 90.280766] r9:c1ad57e0 r8:c15ebd0c r7:c473bf60 r6:00000017 r5:c6d6a000 r4:c473a000 <4>[ 90.288784] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 90.298713] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 90.309158] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.318642] r4:00000035 <4>[ 90.321447] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.329727] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.337912] r9:c473bf60 r8:c53900c0 r7:00000017 r6:b6e86000 r5:c5a4f2c0 r4:c0c5765c <4>[ 90.345933] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.354032] r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6e86000 r5:c5a4f2c0 r4:00000000 <4>[ 90.362044] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.369447] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c473a000 r5:c5a4f2c0 <4>[ 90.377543] r4:c5a4f2c0 <4>[ 90.380346] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.387752] r9:c473a000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000017 r4:00000017 <4>[ 90.395768] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.403603] Exception stack(0xc473bfa8 to 0xc473bff0) <4>[ 90.408925] bfa0: 00000017 00000017 00000001 b6e86000 00000017 00000000 <4>[ 90.417371] bfc0: 00000017 00000017 b6fcde00 00000004 00000001 00000000 00020000 beff5ac4 <4>[ 90.425815] bfe0: 00000004 beff57f8 b6f37d8f b6ebe7e6 <4>[ 90.431190] irq event stamp: 0 <4>[ 90.434543] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.440394] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.448206] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.456029] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.461888] ---[ end trace 77357beb01f1e27e ]--- <6>[ 90.466810] lkdtm: Saturation detected: still saturated # [ 90.142609] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 90.149127] lkdtm: attempting bad refcount_inc() from saturated # [ 90.155393] ------------[ cut here ]------------ # [ 90.160344] WARNING: CPU: 1 PID: 2997 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 90.169207] refcount_t: saturated; leaking memory. # [ 90.174320] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 90.203715] CPU: 1 PID: 2997 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 90.211727] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.218520] Backtrace: # [ 90.221251] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.229090] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 90.235023] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.242608] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.249839] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 # [ 90.257853] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.265605] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c473a000 # [ 90.271538] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 90.280766] r9:c1ad57e0 r8:c15ebd0c r7:c473bf60 r6:00000017 r5:c6d6a000 r4:c473a000 # [ 90.288784] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 90.298713] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 90.309158] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.318642] r4:00000035 # [ 90.321447] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.329727] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.337912] r9:c473bf60 r8:c53900c0 r7:00000017 r6:b6e86000 r5:c5a4f2c0 r4:c0c5765c # [ 90.345933] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.354032] r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6e86000 r5:c5a4f2c0 r4:00000000 # [ 90.362044] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.369447] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c473a000 r5:c5a4f2c0 # [ 90.377543] r4:c5a4f2c0 # [ 90.380346] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.387752] r9:c473a000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000017 r4:00000017 # [ 90.395768] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.403603] Exception stack(0xc473bfa8 to 0xc473bff0) # [ 90.408925] bfa0: 00000017 00000017 00000001 b6e86000 00000017 00000000 # [ 90.417371] bfc0: 00000017 00000017 b6fcde00 00000004 00000001 00000000 00020000 beff5ac4 # [ 90.425815] bfe0: 00000004 beff57f8 b6f37d8f b6ebe7e6 # [ 90.431190] irq event stamp: 0 # [ 90.434543] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.440394] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.448206] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.456029] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.461888] ---[ end trace 77357beb01f1e27e ]--- # [ 90.466810] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh <6>[ 90.934360] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 90.940770] lkdtm: attempting bad refcount_dec() from saturated <4>[ 90.947027] ------------[ cut here ]------------ <4>[ 90.951939] WARNING: CPU: 0 PID: 3033 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.960780] refcount_t: decrement hit 0; leaking memory. <4>[ 90.966412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 90.995911] CPU: 0 PID: 3033 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 91.003922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.010714] Backtrace: <4>[ 91.013446] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.021286] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.027220] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.034804] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.042036] r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834 <4>[ 91.050049] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.057799] r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6d9c000 <4>[ 91.063730] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 91.072958] r9:c1ad57f8 r8:c15ebd0c r7:c6d9df60 r6:00000017 r5:c6e74000 r4:c6d9c000 <4>[ 91.080975] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 91.090901] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 91.101347] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.110832] r4:00000036 <4>[ 91.113634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.121912] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.130098] r9:c6d9df60 r8:c53900c0 r7:00000017 r6:b6e25000 r5:c5fda3c0 r4:c0c5765c <4>[ 91.138118] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.146216] r9:c07e16c4 r8:c6d9df60 r7:c2815800 r6:b6e25000 r5:c5fda3c0 r4:00000000 <4>[ 91.154230] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.161635] r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c6d9c000 r5:c5fda3c0 <4>[ 91.169730] r4:c5fda3c0 <4>[ 91.172535] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.179938] r9:c6d9c000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000017 r4:00000017 <4>[ 91.187954] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.195788] Exception stack(0xc6d9dfa8 to 0xc6d9dff0) <4>[ 91.201109] dfa0: 00000017 00000017 00000001 b6e25000 00000017 00000000 <4>[ 91.209556] dfc0: 00000017 00000017 b6f6ce00 00000004 00000001 00000000 00020000 bed04ac4 <4>[ 91.217999] dfe0: 00000004 bed047f8 b6ed6d8f b6e5d7e6 <4>[ 91.223356] irq event stamp: 0 <4>[ 91.226711] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.232561] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.240374] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.248172] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.254041] ---[ end trace 77357beb01f1e27f ]--- <6>[ 91.258932] lkdtm: Saturation detected: still saturated # [ 90.934360] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.940770] lkdtm: attempting bad refcount_dec() from saturated # [ 90.947027] ------------[ cut here ]------------ # [ 90.951939] WARNING: CPU: 0 PID: 3033 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.960780] refcount_t: decrement hit 0; leaking memory. # [ 90.966412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 90.995911] CPU: 0 PID: 3033 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 91.003922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.010714] Backtrace: # [ 91.013446] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.021286] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.027220] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.034804] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.042036] r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834 # [ 91.050049] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.057799] r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6d9c000 # [ 91.063730] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 91.072958] r9:c1ad57f8 r8:c15ebd0c r7:c6d9df60 r6:00000017 r5:c6e74000 r4:c6d9c000 # [ 91.080975] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 91.090901] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 91.101347] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.110832] r4:00000036 # [ 91.113634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.121912] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.130098] r9:c6d9df60 r8:c53900c0 r7:00000017 r6:b6e25000 r5:c5fda3c0 r4:c0c5765c # [ 91.138118] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.146216] r9:c07e16c4 r8:c6d9df60 r7:c2815800 r6:b6e25000 r5:c5fda3c0 r4:00000000 # [ 91.154230] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.161635] r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c6d9c000 r5:c5fda3c0 # [ 91.169730] r4:c5fda3c0 # [ 91.172535] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.179938] r9:c6d9c000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000017 r4:00000017 # [ 91.187954] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.195788] Exception stack(0xc6d9dfa8 to 0xc6d9dff0) # [ 91.201109] dfa0: 00000017 00000017 00000001 b6e25000 00000017 00000000 # [ 91.209556] dfc0: 00000017 00000017 b6f6ce00 00000004 00000001 00000000 00020000 bed04ac4 # [ 91.217999] dfe0: 00000004 bed047f8 b6ed6d8f b6e5d7e6 # [ 91.223356] irq event stamp: 0 # [ 91.226711] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.232561] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.240374] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.248172] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.254041] ---[ end trace 77357beb01f1e27f ]--- # [ 91.258932] 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>[ 91.741180] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 91.747672] lkdtm: attempting bad refcount_dec() from saturated <4>[ 91.753948] ------------[ cut here ]------------ <4>[ 91.758862] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 91.767710] refcount_t: saturated; leaking memory. <4>[ 91.772798] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 91.802207] CPU: 2 PID: 3069 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 91.810219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.817013] Backtrace: <4>[ 91.819745] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.827585] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.833519] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.841103] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.848335] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 <4>[ 91.856350] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.864101] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000 <4>[ 91.870032] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 91.879258] r9:c1ad5810 r8:c15ebd0c r7:c6f09f60 r6:00000017 r5:c5cc1000 r4:c6f08000 <4>[ 91.887275] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 91.897205] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 91.907649] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.917133] r4:00000037 <4>[ 91.919936] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.928216] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.936403] r9:c6f09f60 r8:c53900c0 r7:00000017 r6:b6e83000 r5:c477f540 r4:c0c5765c <4>[ 91.944422] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.952522] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e83000 r5:c477f540 r4:00000000 <4>[ 91.960534] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.967937] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6f08000 r5:c477f540 <4>[ 91.976030] r4:c477f540 <4>[ 91.978835] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.986241] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000017 r4:00000017 <4>[ 91.994257] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.002091] Exception stack(0xc6f09fa8 to 0xc6f09ff0) <4>[ 92.007413] 9fa0: 00000017 00000017 00000001 b6e83000 00000017 00000000 <4>[ 92.015861] 9fc0: 00000017 00000017 b6fcae00 00000004 00000001 00000000 00020000 bea51ac4 <4>[ 92.024305] 9fe0: 00000004 bea517f8 b6f34d8f b6ebb7e6 <4>[ 92.029686] irq event stamp: 0 <4>[ 92.033021] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.038895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.046699] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.054511] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.060361] ---[ end trace 77357beb01f1e280 ]--- <6>[ 92.065283] lkdtm: Saturation detected: still saturated # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61564K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56135 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 91.741180] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 91.747672] lkdtm: attempting bad refcount_dec() from saturated # [ 91.753948] ------------[ cut here ]------------ # [ 91.758862] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 91.767710] refcount_t: saturated; leaking memory. # [ 91.772798] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 91.802207] CPU: 2 PID: 3069 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 91.810219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.817013] Backtrace: # [ 91.819745] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.827585] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.833519] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.841103] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.848335] r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834 # [ 91.856350] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.864101] r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000 # [ 91.870032] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 91.879258] r9:c1ad5810 r8:c15ebd0c r7:c6f09f60 r6:00000017 r5:c5cc1000 r4:c6f08000 # [ 91.887275] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 91.897205] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 91.907649] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.917133] r4:00000037 # [ 91.919936] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.928216] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.936403] r9:c6f09f60 r8:c53900c0 r7:00000017 r6:b6e83000 r5:c477f540 r4:c0c5765c # [ 91.944422] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.952522] r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e83000 r5:c477f540 r4:00000000 # [ 91.960534] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.967937] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6f08000 r5:c477f540 # [ 91.976030] r4:c477f540 # [ 91.978835] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.986241] r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000017 r4:00000017 # [ 91.994257] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.002091] Exception stack(0xc6f09fa8 to 0xc6f09ff0) # [ 92.007413] 9fa0: 00000017 00000017 00000001 b6e83000 00000017 00000000 # [ 92.015861] 9fc0: 00000017 00000017 b6fcae00 00000004 00000001 00000000 00020000 bea51ac4 # [ 92.024305] 9fe0: 00000004 bea517f8 b6f34d8f b6ebb7e6 # [ 92.029686] irq event stamp: 0 # [ 92.033021] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.038895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.046699] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ <6>[ 92.541591] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 92.054511] softirqs last disable<6>[ 92.549541] lkdtm: attempting bad refcount_inc_not_zero() from saturated d at (0): [<00000000>] 0x0 # [ <4>[ 92.559370] ------------[ cut here ]------------ 92.060361] ---[ end trace 77357b<4>[ 92.567252] WARNING: CPU: 0 PID: 3102 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 eb01f1e280 ]--- # [ 92.065283]<4>[ 92.578770] refcount_t: saturated; leaking memory. lkdtm: Saturation detected: stil<4>[ 92.586777] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 l saturated # REFCOUNT_ADD_SATUR<4>[ 92.618707] CPU: 0 PID: 3102 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 92.629529] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.636321] Backtrace: <4>[ 92.639050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.646890] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.652824] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.660410] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.667641] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 <4>[ 92.675656] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.683407] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000 <4>[ 92.689340] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 92.698567] r9:c1ad5828 r8:c15ebd0c r7:c6e01f60 r6:00000020 r5:c6b62000 r4:c0000000 <4>[ 92.706584] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 92.717293] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 92.729294] r5:c6b62000 r4:c6e00000 <4>[ 92.733144] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.743409] r4:00000038 <4>[ 92.746214] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.754492] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.762679] r9:c6e01f60 r8:c53900c0 r7:00000020 r6:b6e08000 r5:c6a1d900 r4:c0c5765c <4>[ 92.770700] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.778799] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6e08000 r5:c6a1d900 r4:00000000 <4>[ 92.786812] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.794217] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c6e00000 r5:c6a1d900 <4>[ 92.802309] r4:c6a1d900 <4>[ 92.805113] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.812519] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:00000020 r4:00000020 <4>[ 92.820535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.828369] Exception stack(0xc6e01fa8 to 0xc6e01ff0) <4>[ 92.833691] 1fa0: 00000020 00000020 00000001 b6e08000 00000020 00000000 <4>[ 92.842137] 1fc0: 00000020 00000020 b6f4fe00 00000004 00000001 00000000 00020000 befc3ac4 <4>[ 92.850581] 1fe0: 00000004 befc37f8 b6eb9d8f b6e407e6 ATED: saw 'Saturation detected: s<4>[ 92.855965] irq event stamp: 0 till saturated': ok ok 54 selfte<4>[ 92.862152] hardirqs last enabled at (0): [<00000000>] 0x0 sts: lkdtm: REFCOUNT_ADD_SATURATE<4>[ 92.870890] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac D.sh # selftests: lkdtm: REFCOUN<4>[ 92.881535] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac T_INC_NOT_ZERO_SATURATED.sh <4>[ 92.892146] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.900478] ---[ end trace 77357beb01f1e281 ]--- <6>[ 92.905389] lkdtm: Saturation detected: still saturated # [ 92.541591] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.549541] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.559370] ------------[ cut here ]------------ # [ 92.567252] WARNING: CPU: 0 PID: 3102 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 92.578770] refcount_t: saturated; leaking memory. # [ 92.586777] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 92.618707] CPU: 0 PID: 3102 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 92.629529] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.636321] Backtrace: # [ 92.639050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.646890] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.652824] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.660410] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.667641] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 # [ 92.675656] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.683407] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000 # [ 92.689340] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 92.698567] r9:c1ad5828 r8:c15ebd0c r7:c6e01f60 r6:00000020 r5:c6b62000 r4:c0000000 # [ 92.706584] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 92.717293] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 92.729294] r5:c6b62000 r4:c6e00000 # [ 92.733144] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.743409] r4:00000038 # [ 92.746214] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.754492] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.762679] r9:c6e01f60 r8:c53900c0 r7:00000020 r6:b6e08000 r5:c6a1d900 r4:c0c5765c # [ 92.770700] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.778799] r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6e08000 r5:c6a1d900 r4:00000000 # [ 92.786812] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.794217] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c6e00000 r5:c6a1d900 # [ 92.802309] r4:c6a1d900 # [ 92.805113] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.812519] r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:00000020 r4:00000020 # [ 92.820535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.828369] Exception stack(0xc6e01fa8 to 0xc6e01ff0) # [ 92.833691] 1fa0: 00000020 00000020 00000001 b6e08000 00000020 00000000 # [ 92.842137] 1fc0: 00000020 00000020 b6f4fe00 00000004 00000001 00000000 00020000 befc3ac4 # [ 92.850581] 1fe0: 00000004 befc37f8 b6eb9d8f b6e407e6 # [ 92.855965] irq event stamp: 0 # [ 92.862152] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.870890] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.881535] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.892146] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.900478] ---[ end trace 77357beb01f1e281 ]--- # [ 92.905389] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # <6>[ 93.365684] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED selftests: lkdtm: REFCOUNT_ADD_NO<6>[ 93.375113] lkdtm: attempting bad refcount_add_not_zero() from saturated T_ZERO_SATURATED.sh <4>[ 93.385084] ------------[ cut here ]------------ <4>[ 93.391707] WARNING: CPU: 0 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 93.401232] refcount_t: saturated; leaking memory. <4>[ 93.406362] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 93.435779] CPU: 0 PID: 3137 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 93.443791] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.450584] Backtrace: <4>[ 93.453315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.461157] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 93.467089] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.474676] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.481907] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 <4>[ 93.489923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.497673] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c5b88000 <4>[ 93.503606] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 93.512835] r9:c1ad5848 r8:c15ebd0c r7:c5b89f60 r6:00000020 r5:c6eaf000 r4:c0000000 <4>[ 93.520853] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 93.531562] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 93.543563] r5:c6eaf000 r4:c5b88000 <4>[ 93.547415] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.557679] r4:00000039 <4>[ 93.560482] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.568761] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.576946] r9:c5b89f60 r8:c53900c0 r7:00000020 r6:b6e3b000 r5:c477ea00 r4:c0c5765c <4>[ 93.584966] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.593064] r9:c07e16c4 r8:c5b89f60 r7:c2815800 r6:b6e3b000 r5:c477ea00 r4:00000000 <4>[ 93.601077] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.608481] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c5b88000 r5:c477ea00 <4>[ 93.616575] r4:c477ea00 <4>[ 93.619380] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.626783] r9:c5b88000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020 <4>[ 93.634798] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.642632] Exception stack(0xc5b89fa8 to 0xc5b89ff0) <4>[ 93.647953] 9fa0: 00000020 00000020 00000001 b6e3b000 00000020 00000000 <4>[ 93.656401] 9fc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb73ac4 <4>[ 93.664844] 9fe0: 00000004 beb737f8 b6eecd8f b6e737e6 <4>[ 93.670192] irq event stamp: 0 <4>[ 93.673525] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.679398] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.687181] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.694961] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.700806] ---[ end trace 77357beb01f1e282 ]--- <6>[ 93.705716] lkdtm: Saturation detected: still saturated # [ 93.365684] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 93.375113] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 93.385084] ------------[ cut here ]------------ # [ 93.391707] WARNING: CPU: 0 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 93.401232] refcount_t: saturated; leaking memory. # [ 93.406362] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 93.435779] CPU: 0 PID: 3137 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 93.443791] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.450584] Backtrace: # [ 93.453315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.461157] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 93.467089] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.474676] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.481907] r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834 # [ 93.489923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.497673] r7:00000013 r6:c1a29834 r5:c1a2980c r4:c5b88000 # [ 93.503606] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 93.512835] r9:c1ad5848 r8:c15ebd0c r7:c5b89f60 r6:00000020 r5:c6eaf000 r4:c0000000 # [ 93.520853] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 93.531562] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 93.543563] r5:c6eaf000 r4:c5b88000 # [ 93.547415] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.557679] r4:00000039 # [ 93.560482] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.568761] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.576946] r9:c5b89f60 r8:c53900c0 r7:00000020 r6:b6e3b000 r5:c477ea00 r4:c0c5765c # [ 93.584966] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.593064] r9:c07e16c4 r8:c5b89f60 r7:c2815800 r6:b6e3b000 r5:c477ea00 r4:00000000 # [ 93.601077] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.608481] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c5b88000 r5:c477ea00 # [ 93.616575] r4:c477ea00 # [ 93.619380] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.626783] r9:c5b88000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020 # [ 93.634798] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.642632] Exception stack(0xc5b89fa8 to 0xc5b89ff0) # [ 93.647953] 9fa0: 00000020 00000020 00000001 b6e3b000 00000020 00000000 # [ 93.656401] 9fc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb73ac4 # [ 93.664844] 9fe0: 00000004 beb737f8 b6eecd8f b6e737e6 # [ 93.670192] irq event stamp: 0 # [ 93.673525] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.679398] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.687181] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.694961] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.700806] ---[ end trace 77357beb01f1e282 ]--- # [ 93.705716] 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>[ 94.201258] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 94.208550] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 94.215596] ------------[ cut here ]------------ <4>[ 94.220508] WARNING: CPU: 0 PID: 3175 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 94.229441] refcount_t: underflow; use-after-free. <4>[ 94.234552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 94.264050] CPU: 0 PID: 3175 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 94.272061] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.278855] Backtrace: <4>[ 94.281585] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.289426] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 94.295360] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.302946] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.310179] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 <4>[ 94.318192] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.325943] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6acc000 <4>[ 94.331876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 94.341192] r9:c1ad5868 r8:c15ebd0c r7:c6acdf60 r6:00000020 r5:c6fad000 r4:c6acc000 <4>[ 94.349209] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 94.359922] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 94.371932] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.382197] r4:0000003a <4>[ 94.385001] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.393281] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.401467] r9:c6acdf60 r8:c53900c0 r7:00000020 r6:b6e21000 r5:c6a1cb40 r4:c0c5765c <4>[ 94.409485] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.417585] r9:c07e16c4 r8:c6acdf60 r7:c2815800 r6:b6e21000 r5:c6a1cb40 r4:00000000 <4>[ 94.425598] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.433003] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6acc000 r5:c6a1cb40 <4>[ 94.441096] r4:c6a1cb40 <4>[ 94.443900] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.451305] r9:c6acc000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000020 r4:00000020 <4>[ 94.459319] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.467154] Exception stack(0xc6acdfa8 to 0xc6acdff0) <4>[ 94.472476] dfa0: 00000020 00000020 00000001 b6e21000 00000020 00000000 <4>[ 94.480922] dfc0: 00000020 00000020 b6f68e00 00000004 00000001 00000000 00020000 bef58ac4 <4>[ 94.489365] dfe0: 00000004 bef587f8 b6ed2d8f b6e597e6 <4>[ 94.494722] irq event stamp: 0 <4>[ 94.498055] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.503929] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.511694] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.519484] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.525354] ---[ end trace 77357beb01f1e283 ]--- <6>[ 94.530245] lkdtm: Saturation detected: still saturated # [ 94.201258] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 94.208550] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 94.215596] ------------[ cut here ]------------ # [ 94.220508] WARNING: CPU: 0 PID: 3175 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 94.229441] refcount_t: underflow; use-after-free. # [ 94.234552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 94.264050] CPU: 0 PID: 3175 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 94.272061] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.278855] Backtrace: # [ 94.281585] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.289426] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 94.295360] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.302946] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.310179] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 # [ 94.318192] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.325943] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6acc000 # [ 94.331876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 94.341192] r9:c1ad5868 r8:c15ebd0c r7:c6acdf60 r6:00000020 r5:c6fad000 r4:c6acc000 # [ 94.349209] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 94.359922] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 94.371932] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.382197] r4:0000003a # [ 94.385001] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.393281] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.401467] r9:c6acdf60 r8:c53900c0 r7:00000020 r6:b6e21000 r5:c6a1cb40 r4:c0c5765c # [ 94.409485] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.417585] r9:c07e16c4 r8:c6acdf60 r7:c2815800 r6:b6e21000 r5:c6a1cb40 r4:00000000 # [ 94.425598] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.433003] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6acc000 r5:c6a1cb40 # [ 94.441096] r4:c6a1cb40 # [ 94.443900] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.451305] r9:c6acc000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000020 r4:00000020 # [ 94.459319] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.467154] Exception stack(0xc6acdfa8 to 0xc6acdff0) # [ 94.472476] dfa0: 00000020 00000020 00000001 b6e21000 00000020 00000000 # [ 94.480922] dfc0: 00000020 00000020 b6f68e00 00000004 00000001 00000000 00020000 bef58ac4 # [ 94.489365] dfe0: 00000004 bef587f8 b6ed2d8f b6e597e6 # [ 94.494722] irq event stamp: 0 # [ 94.498055] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.503929] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.511694] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.519484] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.525354] ---[ end trace 77357beb01f1e283 ]--- # [ 94.530245] 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>[ 95.006466] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 95.013623] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 95.020787] ------------[ cut here ]------------ <4>[ 95.025781] WARNING: CPU: 0 PID: 3211 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 95.034653] refcount_t: underflow; use-after-free. <4>[ 95.039720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 95.069317] CPU: 0 PID: 3211 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 95.077332] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.084128] Backtrace: <4>[ 95.086863] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.094708] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 95.100646] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.108237] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.115474] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 <4>[ 95.123493] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.131247] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000 <4>[ 95.137184] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 95.146503] r9:c1ad5888 r8:c15ebd0c r7:c6a67f60 r6:00000020 r5:c6fad000 r4:c6a66000 <4>[ 95.154525] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 95.165243] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 95.177256] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.187525] r4:0000003b <4>[ 95.190335] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.198619] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.206810] r9:c6a67f60 r8:c53900c0 r7:00000020 r6:b6e27000 r5:c477edc0 r4:c0c5765c <4>[ 95.214833] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.222936] r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6e27000 r5:c477edc0 r4:00000000 <4>[ 95.230953] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.238361] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c6a66000 r5:c477edc0 <4>[ 95.246459] r4:c477edc0 <4>[ 95.249267] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.256676] r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000020 r4:00000020 <4>[ 95.264694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.272533] Exception stack(0xc6a67fa8 to 0xc6a67ff0) <4>[ 95.277858] 7fa0: 00000020 00000020 00000001 b6e27000 00000020 00000000 <4>[ 95.286308] 7fc0: 00000020 00000020 b6f6ee00 00000004 00000001 00000000 00020000 bea4aac4 <4>[ 95.294753] 7fe0: 00000004 bea4a7f8 b6ed8d8f b6e5f7e6 <4>[ 95.300117] irq event stamp: 0 <4>[ 95.303455] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.309348] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.317159] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.324961] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.330811] ---[ end trace 77357beb01f1e284 ]--- <6>[ 95.335732] lkdtm: Saturation detected: still saturated # [ 95.006466] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 95.013623] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 95.020787] ------------[ cut here ]------------ # [ 95.025781] WARNING: CPU: 0 PID: 3211 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 95.034653] refcount_t: underflow; use-after-free. # [ 95.039720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 95.069317] CPU: 0 PID: 3211 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 95.077332] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.084128] Backtrace: # [ 95.086863] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.094708] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.100646] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.108237] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.115474] r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834 # [ 95.123493] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.131247] r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000 # [ 95.137184] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 95.146503] r9:c1ad5888 r8:c15ebd0c r7:c6a67f60 r6:00000020 r5:c6fad000 r4:c6a66000 # [ 95.154525] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 95.165243] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 95.177256] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.187525] r4:0000003b # [ 95.190335] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.198619] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.206810] r9:c6a67f60 r8:c53900c0 r7:00000020 r6:b6e27000 r5:c477edc0 r4:c0c5765c # [ 95.214833] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.222936] r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6e27000 r5:c477edc0 r4:00000000 # [ 95.230953] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.238361] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c6a66000 r5:c477edc0 # [ 95.246459] r4:c477edc0 # [ 95.249267] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.256676] r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000020 r4:00000020 # [ 95.264694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.272533] Exception stack(0xc6a67fa8 to 0xc6a67ff0) # [ 95.277858] 7fa0: 00000020 00000020 00000001 b6e27000 00000020 00000000 # [ 95.286308] 7fc0: 00000020 00000020 b6f6ee00 00000004 00000001 00000000 00020000 bea4aac4 # [ 95.294753] 7fe0: 00000004 bea4a7f8 b6ed8d8f b6e5f7e6 # [ 95.300117] irq event stamp: 0 # [ 95.303455] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.309348] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.317159] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.324961] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.330811] ---[ end trace 77357beb01f1e284 ]--- # [ 95.335732] 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>[ 96.177762] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 96.184152] lkdtm: attempting good copy_to_user of correct size <6>[ 96.190374] lkdtm: attempting bad copy_to_user of too large size # [ 96.177762] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 96.184152] lkdtm: attempting good copy_to_user of correct size # [ 96.190374] 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>[ 96.642430] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 96.649007] lkdtm: attempting good copy_from_user of correct size <6>[ 96.655493] lkdtm: attempting bad copy_from_user of too large size # [ 96.642430] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 96.649007] lkdtm: attempting good copy_from_user of correct size # [ 96.655493] 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>[ 97.103451] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 97.110277] lkdtm: attempting good copy_to_user inside whitelist <6>[ 97.116782] lkdtm: attempting bad copy_to_user outside whitelist # [ 97.103451] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 97.110277] lkdtm: attempting good copy_to_user inside whitelist # [ 97.116782] 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>[ 97.547072] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 97.554122] lkdtm: attempting good copy_from_user inside whitelist <6>[ 97.560623] lkdtm: attempting bad copy_from_user outside whitelist # [ 97.547072] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 97.554122] lkdtm: attempting good copy_from_user inside whitelist # [ 97.560623] 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>[ 98.008631] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 98.015249] lkdtm: good_stack: c6e8be0c-c6e8be2c <6>[ 98.020172] lkdtm: bad_stack : c6e8bd84-c6e8bda4 <6>[ 98.025118] lkdtm: attempting good copy_to_user of local stack <6>[ 98.031266] lkdtm: attempting bad copy_to_user of distant stack # [ 98.008631] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.015249] lkdtm: good_stack: c6e8be0c-c6e8be2c # [ 98.020172] lkdtm: bad_stack : c6e8bd84-c6e8bda4 # [ 98.025118] lkdtm: attempting good copy_to_user of local stack # [ 98.031266] 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>[ 98.469927] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 98.476718] lkdtm: good_stack: c6c8de0c-c6c8de2c <6>[ 98.481638] lkdtm: bad_stack : c6c8dd84-c6c8dda4 <6>[ 98.486603] lkdtm: attempting good copy_from_user of local stack <6>[ 98.492901] lkdtm: attempting bad copy_from_user of distant stack # [ 98.469927] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 98.476718] lkdtm: good_stack: c6c8de0c-c6c8de2c # [ 98.481638] lkdtm: bad_stack : c6c8dd84-c6c8dda4 # [ 98.486603] lkdtm: attempting good copy_from_user of local stack # [ 98.492901] 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>[ 98.927609] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 98.934063] lkdtm: good_stack: c428be0c-c428be2c <6>[ 98.938980] lkdtm: bad_stack : c428bffc-c428c01c <6>[ 98.943927] lkdtm: attempting good copy_to_user of local stack <6>[ 98.950077] lkdtm: attempting bad copy_to_user of distant stack # [ 98.927609] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 98.934063] lkdtm: good_stack: c428be0c-c428be2c # [ 98.938980] lkdtm: bad_stack : c428bffc-c428c01c # [ 98.943927] lkdtm: attempting good copy_to_user of local stack # [ 98.950077] 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>[ 99.397275] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 99.404051] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 <6>[ 99.411611] lkdtm: attempting bad copy_to_user from kernel text: c053da6c <3>[ 99.418789] lkdtm: FAIL: survived bad copy_to_user() # [ 99.397275] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.404051] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 # [ 99.411611] lkdtm: attempting bad copy_to_user from kernel text: c053da6c # [ 99.418789] 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>[ 99.884209] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 99.890157] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 99.897499] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 99.904716] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 99.911011] CPU: 2 PID: 3587 Comm: cat Tainted: G D W 5.10.202-cip41 #1 <4>[ 99.919034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.925843] Backtrace: <4>[ 99.928615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.936484] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 99.942449] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.950068] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 99.958890] r9:c1ad5990 r8:c15ebd0c r7:c4783f60 r6:c4783e34 r5:c4782000 r4:0000078d <4>[ 99.966935] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.976012] r8:c15ebd0c r7:c4783f60 r6:00000012 r5:c6e5a000 r4:00000046 <4>[ 99.983007] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.991318] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.999529] r9:c4783f60 r8:c53900c0 r7:00000012 r6:b6dcb000 r5:c6a1de00 r4:c0c5765c <4>[ 100.007578] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 100.015702] r9:c07e16c4 r8:c4783f60 r7:c2815800 r6:b6dcb000 r5:c6a1de00 r4:00000000 <4>[ 100.023740] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.031169] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c4782000 r5:c6a1de00 <4>[ 100.039280] r4:c6a1de00 <4>[ 100.042109] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.049536] r9:c4782000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000012 r4:00000012 <4>[ 100.057578] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.065431] Exception stack(0xc4783fa8 to 0xc4783ff0) <4>[ 100.070775] 3fa0: 00000012 00000012 00000001 b6dcb000 00000012 00000000 <4>[ 100.079248] 3fc0: 00000012 00000012 b6f12e00 00000004 00000001 00000000 00020000 beb6dac4 <4>[ 100.087712] 3fe0: 00000004 beb6d7f8 b6e7cd8f b6e037e6 # [ 99.884209] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 99.890157] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 99.897499] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 99.904716] lkdtm: FAIL: the thread stack is NOT properly erased # [ 99.911011] CPU: 2 PID: 3587 Comm: cat Tainted: G D W 5.10.202-cip41 #1 # [ 99.919034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.925843] Backtrace: # [ 99.928615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.936484] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 99.942449] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.950068] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 99.958890] r9:c1ad5990 r8:c15ebd0c r7:c4783f60 r6:c4783e34 r5:c4782000 r4:0000078d # [ 99.966935] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.976012] r8:c15ebd0c r7:c4783f60 r6:00000012 r5:c6e5a000 r4:00000046 # [ 99.983007] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.991318] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.999529] r9:c4783f60 r8:c53900c0 r7:00000012 r6:b6dcb000 r5:c6a1de00 r4:c0c5765c # [ 100.007578] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.015702] r9:c07e16c4 r8:c4783f60 r7:c2815800 r6:b6dcb000 r5:c6a1de00 r4:00000000 # [ 100.023740] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.031169] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c4782000 r5:c6a1de00 # [ 100.039280] r4:c6a1de00 # [ 100.042109] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.049536] r9:c4782000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000012 r4:00000012 # [ 100.057578] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.065431] Exception stack(0xc4783fa8 to 0xc4783ff0) # [ 100.070775] 3fa0: 00000012 00000012 00000001 b6dcb000 00000012 00000000 # [ 100.079248] 3fc0: 00000012 00000012 b6f12e00 00000004 00000001 00000000 00020000 beb6dac4 # [ 100.087712] 3fe0: 00000004 beb6d7f8 b6e7cd8f b6e037e6 # 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>[ 100.553038] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 100.559046] lkdtm: Calling matched prototype ... <6>[ 100.564015] lkdtm: Calling mismatched prototype ... <6>[ 100.569170] lkdtm: Fail: survived mismatched prototype function call! # [ 100.553038] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.559046] lkdtm: Calling matched prototype ... # [ 100.564015] lkdtm: Calling mismatched prototype ... # [ 100.569170] 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_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_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_selftests_lkdtm_unset_smep_sh skip lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_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_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_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_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_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 / #