[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 192.168.201.38 (6 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12269924/tftp-deploy-5sfyhe1i/kernel/zImage tftp 0x10000000 12269924/tftp-deploy-5sfyhe1i/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '12269924/tftp-deploy-5sfyhe1i/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 14.2 MiB/s done Bytes transferred = 12542464 (bf6200 hex) => tftp 0x14000000 12269924/tftp-deploy-5sfyhe1i/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12269924/tftp-deploy-5sfyhe1i/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '12269924/tftp-deploy-5sfyhe1i/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 5.9 MiB/s done Bytes transferred = 15342934 (ea1d56 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12269924/tftp-deploy-5sfyhe1i/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12269924/tftp-deploy-5sfyhe1i/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '12269924/tftp-deploy-5sfyhe1i/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4.5 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/12269924/extract-nfsrootfs-z73qi2dp,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/12269924/extract-nfsrootfs-z73qi2dp,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 - 0xbf6200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15342870 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 5.10.201-cip41 (KernelCI@build-j47818-arm-gcc-10-multi-v7-defconfig-kselftest-v828r) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 14 12:15:31 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/12269924/extract-nfsrootfs-z73qi2dp,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 56138 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>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022919] Console: colour dummy device 80x30 <4>[ 0.024828] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032836] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037181] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041592] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046227] ... CLASSHASH_SIZE: 4096 <4>[ 0.050812] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055534] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060208] ... CHAINHASH_SIZE: 32768 <4>[ 0.064907] memory used by lock dependency info: 4061 kB <4>[ 0.070587] memory used for stack traces: 2112 kB <4>[ 0.075633] per task-struct memory footprint: 1536 bytes <6>[ 0.081322] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091734] CPU: Testing write buffer coherency: ok <6>[ 0.096871] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102145] pid_max: default: 32768 minimum: 301 <6>[ 0.107344] LSM: Security Framework initializing <6>[ 0.111966] LSM support for eBPF active <6>[ 0.116123] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123565] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.134999] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141507] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147891] rcu: Hierarchical SRCU implementation. <6>[ 0.159258] EFI services will not be available. <6>[ 0.162310] smp: Bringing up secondary CPUs ... <6>[ 0.168824] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168841] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180611] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180626] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192057] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192072] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201100] smp: Brought up 1 node, 4 CPUs <6>[ 0.204819] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211356] CPU: All CPU(s) started in SVC mode. <6>[ 0.218606] devtmpfs: initialized <6>[ 0.266753] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274200] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282111] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293847] pinctrl core: initialized pinctrl subsystem <6>[ 0.302860] DMI not present or invalid. <6>[ 0.306334] NET: Registered protocol family 16 <6>[ 0.318726] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.331535] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.332041] cpuidle: using governor menu <6>[ 0.340116] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.997543] vdd1p1: supplied by regulator-dummy <6>[ 1.027282] vdd3p0: supplied by regulator-dummy <6>[ 1.056620] vdd2p5: supplied by regulator-dummy <6>[ 1.086012] vddarm: supplied by regulator-dummy <6>[ 1.116194] vddpu: supplied by regulator-dummy <6>[ 1.144876] vddsoc: supplied by regulator-dummy <6>[ 2.313393] No ATAGs? <6>[ 2.314201] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.321428] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.344469] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.374271] Serial: AMBA PL011 UART driver <6>[ 2.431304] Kprobes globally optimized <6>[ 2.535667] iommu: Default domain type: Translated <6>[ 2.540139] vgaarb: loaded <5>[ 2.545186] SCSI subsystem initialized <6>[ 2.548379] usbcore: registered new interface driver usbfs <6>[ 2.552368] usbcore: registered new interface driver hub <6>[ 2.557917] usbcore: registered new device driver usb <6>[ 2.569745] i2c i2c-0: IMX I2C adapter registered <6>[ 2.578043] i2c i2c-1: IMX I2C adapter registered <6>[ 2.584124] i2c i2c-2: IMX I2C adapter registered <6>[ 2.590466] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.592863] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.602361] PTP clock support registered <6>[ 2.622291] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.376927] NET: Registered protocol family 2 <6>[ 4.379449] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.389989] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.396069] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.404103] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.413005] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.419069] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.425990] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.432759] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.440475] NET: Registered protocol family 1 <6>[ 4.446958] RPC: Registered named UNIX socket transport module. <6>[ 4.450601] RPC: Registered udp transport module. <6>[ 4.455646] RPC: Registered tcp transport module. <6>[ 4.460522] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.467291] NET: Registered protocol family 44 <6>[ 4.471933] PCI: CLS 0 bytes, default 64 <6>[ 4.478248] Trying to unpack rootfs image as initramfs... <6>[ 6.257407] Freeing initrd memory: 14984K <4>[ 6.259724] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.267463] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.282893] Initialise system trusted keyrings <6>[ 6.285679] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.334338] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.340743] NFS: Registering the id_resolver key type <5>[ 6.343436] Key type id_resolver registered <5>[ 6.347677] Key type id_legacy registered <6>[ 6.352501] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.358952] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.366755] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.373081] Key type asymmetric registered <5>[ 6.375586] Asymmetric key parser 'x509' registered <6>[ 6.380930] bounce: pool size: 64 pages <6>[ 6.384920] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.392495] io scheduler mq-deadline registered <6>[ 6.397172] io scheduler kyber registered <4>[ 6.402296] test_firmware: interface ready <6>[ 6.564613] mxs-dma 110000.dma-controller: initialized <4>[ 6.624926] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.633016] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.840705] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.862721] SuperH (H)SCI(F) driver initialized <6>[ 6.867367] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.878121] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.884656] printk: console [ttymxc1] enabled <6>[ 6.884656] printk: console [ttymxc1] enabled <6>[ 6.893461] printk: bootconsole [ec_imx21] disabled <6>[ 6.893461] printk: bootconsole [ec_imx21] disabled <6>[ 6.909646] msm_serial: driver initialized <6>[ 6.915103] STMicroelectronics ASC driver initialized <6>[ 6.926452] STM32 USART driver initialized <6>[ 6.951583] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.972322] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.980844] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.988897] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.038684] brd: module loaded <6>[ 7.083920] loop: module loaded <6>[ 7.090146] lkdtm: No crash points registered, enable through debugfs <6>[ 7.110898] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.119183] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.127533] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.136059] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.144327] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.152794] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.160742] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.172314] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.179597] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.188740] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.202951] scsi host0: ahci-imx <6>[ 7.208521] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.268168] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.281448] pps pps0: new PPS source ptp0 <6>[ 7.325950] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.336430] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.341688] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.348165] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.353897] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.379918] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.387793] usbcore: registered new interface driver pegasus <6>[ 7.393980] usbcore: registered new interface driver asix <6>[ 7.399801] usbcore: registered new interface driver ax88179_178a <6>[ 7.406356] usbcore: registered new interface driver cdc_ether <6>[ 7.412732] usbcore: registered new interface driver smsc75xx <6>[ 7.418949] usbcore: registered new interface driver smsc95xx <6>[ 7.425156] usbcore: registered new interface driver net1080 <6>[ 7.431235] usbcore: registered new interface driver cdc_subset <6>[ 7.437610] usbcore: registered new interface driver zaurus <6>[ 7.443775] usbcore: registered new interface driver cdc_ncm <6>[ 7.461403] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.468338] ehci-pci: EHCI PCI platform driver <6>[ 7.473269] ehci-platform: EHCI generic platform driver <6>[ 7.479714] ehci-orion: EHCI orion driver <6>[ 7.484894] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.489962] ehci-st: EHCI STMicroelectronics driver <6>[ 7.495939] ehci-exynos: EHCI Exynos driver <6>[ 7.501184] ehci-atmel: EHCI Atmel driver <6>[ 7.506286] tegra-ehci: Tegra EHCI driver <6>[ 7.511385] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.517962] ohci-pci: OHCI PCI platform driver <6>[ 7.522876] ohci-platform: OHCI generic platform driver <6>[ 7.529277] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.534401] ohci-st: OHCI STMicroelectronics driver <6>[ 7.540339] ohci-atmel: OHCI Atmel driver <6>[ 7.548592] usbcore: registered new interface driver usb-storage <6>[ 7.564427] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.570450] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.577117] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.584767] i2c /dev entries driver <6>[ 7.663406] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.669883] sdhci: Copyright(c) Pierre Ossman <6>[ 7.683462] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.696519] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.705997] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.706003] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.716824] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.723509] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.733423] usbcore: registered new interface driver usbhid <6>[ 7.739292] usbhid: USB HID core driver <6>[ 7.760583] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.760600] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.766424] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.783166] IPv4 over IPsec tunneling driver <6>[ 7.792226] NET: Registered protocol family 10 <6>[ 7.801265] mmc2: new high speed SDHC card at address 0001 <6>[ 7.802304] Segment Routing with IPv6 <6>[ 7.810843] mmcblk2: mmc2:0001 SD 14.6 GiB <6>[ 7.816948] NET: Registered protocol family 17 <6>[ 7.823673] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.829069] Key type dns_resolver registered <4>[ 7.837791] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 7.845656] GPT:29296874 != 30560255 <6>[ 7.847517] ThumbEE CPU extension supported. <4>[ 7.849524] GPT:Alternate GPT header not at the end of the disk. <5>[ 7.854177] Registering SWP/SWPB emulation handler <4>[ 7.860444] GPT:29296874 != 30560255 <5>[ 7.866867] Loading compiled-in X.509 certificates <4>[ 7.869411] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.880050] mmcblk2: p1 p2 p3 <4>[ 8.027789] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.036401] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.048935] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.086466] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.101539] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.107102] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.142543] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.161530] hub 1-0:1.0: USB hub found <6>[ 8.166138] hub 1-0:1.0: 1 port detected <6>[ 8.181015] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.211373] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.219932] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.232517] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.260359] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.268905] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.281437] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.298407] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.327459] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.336114] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.348715] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.369860] 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>[ 8.532491] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.740212] hub 1-1:1.0: USB hub found <6>[ 8.745364] hub 1-1:1.0: 3 ports detected <4>[ 8.774411] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.782848] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.795611] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.533973] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.562651] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.592263] Sending DHCP requests ., OK <6>[ 11.636675] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.38 <6>[ 11.645067] IP-Config: Complete: <6>[ 11.648591] device=eth0, hwaddr=00:19:b8:08:f0:fe, ipaddr=192.168.201.38, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.659385] host=imx6q-sabrelite-lava-cbg-8, domain=lava-rack, nis-domain=(none) <6>[ 11.667580] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.667600] nameserver0=192.168.201.1 <6>[ 11.725509] Freeing unused kernel memory: 2048K <6>[ 11.732769] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.281206] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.309469] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.320850] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.338090] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.361790] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.391038] CAN device driver interface <4>[ 15.414663] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.432573] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.448243] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.486761] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.495298] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.571510] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.582492] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.593534] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.600394] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.609544] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.617167] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.622028] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.623697] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.644669] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.665497] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.689662] caam 2100000.crypto: Instantiated RNG4 SH0 <4>[ 15.711662] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.720244] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.750426] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.755974] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.762982] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.785103] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.831654] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.840636] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.853939] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.863238] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 15.865857] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 15.871251] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.874405] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.877011] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.882868] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.883558] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.885378] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.889728] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.893365] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 15.901762] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.909722] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 15.909978] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.910646] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.916005] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.916781] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.937611] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.996451] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.069476] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.125174] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.134149] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.142988] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.151701] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.185077] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.193654] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.841828] caam algorithms registered in /proc/crypto <6>[ 16.852356] caam 2100000.crypto: registering rng-caam <4>[ 16.865710] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.900455] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.909190] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.917963] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.926622] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.940936] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.949533] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.969337] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.004052] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.012759] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.021440] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.030218] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <5>[ 17.041782] random: crng init done 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:f0:fe mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.38 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-8 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 18.845387] systemd[1]: System time before build time, advancing clock. <30>[ 19.068640] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 19.098088] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.158006] systemd[1]: Set hostname to . <30>[ 20.646764] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.661671] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.679369] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.727803] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.776202] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.827055] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.876339] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.924617] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.937620] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.974555] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 21.012758] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 21.052500] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 21.093181] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 21.137219] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.233176] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.246654] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.285530] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.338909] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.404180] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.444819] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.485865] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.496381] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.514637] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.562836] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.620106] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.673866] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.723437] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.775128] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.838404] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 21.846547] fuse: init (API version 7.32) <30>[ 21.868058] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 21.924446] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.983743] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 22.032970] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 22.101320] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 22.153998] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.210061] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 22.293301] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.303603] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.347562] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.357412] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.397349] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.407287] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.447137] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.487082] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.532722] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 22.581110] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 22.630041] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 22.640260] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 22.658384] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 22.701056] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 22.752801] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 22.798619] 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>[ 23.171175] systemd-journald[302]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. [ OK ] Finished Update UTMP about System Boot/Shutdown. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.201-cip41 #1 SMP Thu Dec 14 12:15:31 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/12269924/extract-nfsrootfs-z73qi2dp' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12269924/extract-nfsrootfs-z73qi2dp' / # 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-12269924/environment . /lava-12269924/environment / # /lava-12269924/bin/lava-test-runner /lava-12269924/0 /lava-12269924/bin/lava-test-runner /lava-12269924/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12269924/0/tests/0_timesync-off ++ cat uuid + UUID=12269924_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-12269924/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12269924_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-cip41-69-g8f7b450fc28ed/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 --2023-12-14 12:34:38-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/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: 1410324 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 110KB/s kselftest.tar.xz 4%[ ] 65.71K 125KB/s kselftest.tar.xz 6%[> ] 95.89K 121KB/s kselftest.tar.xz 9%[> ] 136.89K 130KB/s kselftest.tar.xz 12%[=> ] 177.90K 134KB/s kselftest.tar.xz 15%[==> ] 214.18K 131KB/s kselftest.tar.xz 17%[==> ] 244.36K 131KB/s kselftest.tar.xz 19%[==> ] 274.06K 132KB/s kselftest.tar.xz 22%[===> ] 305.17K 133KB/s kselftest.tar.xz 24%[===> ] 336.28K 133KB/s kselftest.tar.xz 26%[====> ] 370.21K 135KB/s kselftest.tar.xz 29%[====> ] 404.15K 136KB/s kselftest.tar.xz 31%[=====> ] 433.85K 136KB/s eta 7s kselftest.tar.xz 34%[=====> ] 472.03K 139KB/s eta 7s kselftest.tar.xz 37%[======> ] 511.62K 141KB/s eta 7s kselftest.tar.xz 39%[======> ] 542.73K 141KB/s eta 7s kselftest.tar.xz 42%[=======> ] 586.57K 144KB/s eta 7s kselftest.tar.xz 45%[========> ] 631.82K 150KB/s eta 5s 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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>[ 63.874932] 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>[ 64.825329] lkdtm: Performing direct entry BUG <4>[ 64.830302] ------------[ cut here ]------------ <2>[ 64.835189] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 64.840681] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 64.846086] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 64.875383] CPU: 0 PID: 726 Comm: cat Not tainted 5.10.201-cip41 #1 <4>[ 64.881915] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.888717] PC is at lkdtm_BUG+0x14/0x18 <4>[ 64.892908] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 64.897619] pc : [] lr : [] psr: a00e0013 <4>[ 64.904151] sp : c6dabe58 ip : c6dabe68 fp : c6dabe64 <4>[ 64.909642] r10: 00000004 r9 : c1ad5568 r8 : c15ebd4c <4>[ 64.915134] r7 : c6dabf60 r6 : 00000004 r5 : c6b85000 r4 : 00000001 <4>[ 64.921927] r3 : c0c57590 r2 : 33690c17 r1 : ef7815e0 r0 : c15ebd54 <4>[ 64.928720] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 64.936120] Control: 10c5387d Table: 1685c04a DAC: 00000051 <0>[ 64.942134] Process cat (pid: 726, stack limit = 0xc4c8956f) <0>[ 64.948061] Stack: (0xc6dabe58 to 0xc6dac000) <0>[ 64.952686] be40: c6dabe74 c6dabe68 <0>[ 64.961132] be60: c0c57024 c0c5759c c6dabe9c c6dabe78 c0c57524 c0c57004 c0c57404 c5bd8c80 <0>[ 64.969579] be80: b6dd7000 00000004 c52c2180 c6dabf60 c6dabec4 c6dabea0 c07e13f8 c0c57410 <0>[ 64.978024] bea0: 00000000 c5bd8c80 b6dd7000 c2815800 c6dabf60 c07e1394 c6dabf5c c6dabec8 <0>[ 64.986471] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6daa000 <0>[ 64.994916] bee0: b6dd7000 00020000 00000004 00000004 0001fffc c6dabee0 00000001 b6dd6000 <0>[ 65.003362] bf00: c2f87540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 65.011809] bf20: 00000000 00000000 c13dc4d0 33690c17 c206c120 c5bd8c80 c5bd8c80 c6daa000 <0>[ 65.020257] bf40: b6dd7000 00000000 00000000 00000004 c6dabf94 c6dabf60 c059be08 c059b75c <0>[ 65.028704] bf60: 00000000 00000000 c6dabfac 33690c17 00000004 00000004 b6f1ee00 00000004 <0>[ 65.037151] bf80: c03002e4 c6daa000 c6dabfa4 c6dabf98 c059be98 c059bda0 00000000 c6dabfa8 <0>[ 65.045596] bfa0: c03000c0 c059be8c 00000004 00000004 00000001 b6dd7000 00000004 00000000 <0>[ 65.054044] bfc0: 00000004 00000004 b6f1ee00 00000004 00000001 00000000 00020000 beda3ac4 <0>[ 65.062489] bfe0: 00000004 beda37f8 b6e88d8f b6e0f7e6 800e0030 00000001 00000000 00000000 <0>[ 65.070928] Backtrace: <0>[ 65.073652] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 65.081494] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 65.089774] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 65.097962] r9:c6dabf60 r8:c52c2180 r7:00000004 r6:b6dd7000 r5:c5bd8c80 r4:c0c57404 <0>[ 65.105982] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 65.114082] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6dd7000 r5:c5bd8c80 r4:00000000 <0>[ 65.122095] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 65.129499] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6daa000 r5:c5bd8c80 <0>[ 65.137593] r4:c5bd8c80 <0>[ 65.140397] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 65.147801] r9:c6daa000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:00000004 r4:00000004 <0>[ 65.155816] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 65.163649] Exception stack(0xc6dabfa8 to 0xc6dabff0) <0>[ 65.168969] bfa0: 00000004 00000004 00000001 b6dd7000 00000004 00000000 <0>[ 65.177416] bfc0: 00000004 00000004 b6f1ee00 00000004 00000001 00000000 00020000 beda3ac4 <0>[ 65.185859] bfe0: 00000004 beda37f8 b6e88d8f b6e0f7e6 <0>[ 65.191181] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 65.197545] ---[ end trace 77811b8548b6e2eb ]--- <3>[ 65.202434] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 65.211572] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 726, name: cat <4>[ 65.219491] INFO: lockdep is turned off. <4>[ 65.223679] irq event stamp: 1620 <4>[ 65.227270] hardirqs last enabled at (1619): [] console_unlock+0x4b0/0x6c0 <4>[ 65.235371] hardirqs last disabled at (1620): [] __und_svc+0x60/0x6c <4>[ 65.242867] softirqs last enabled at (1088): [] release_sock+0x8c/0xa8 <4>[ 65.250619] softirqs last disabled at (1086): [] release_sock+0x28/0xa8 <4>[ 65.258371] CPU: 0 PID: 726 Comm: cat Tainted: G D 5.10.201-cip41 #1 <4>[ 65.266293] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 65.273083] Backtrace: <4>[ 65.275808] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 65.283646] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 65.289577] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 65.297163] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 65.305175] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1818 r4:c6daa000 <4>[ 65.313188] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 65.321283] r6:00000000 r5:00000031 r4:c19d1818 <4>[ 65.326178] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 65.334188] r6:00000001 r5:c6daa000 r4:c59c2880 <4>[ 65.339083] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 65.346660] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c59c2880 <4>[ 65.353633] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 65.361207] r7:c1e1cb0c <4>[ 65.364015] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 65.371421] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 65.378738] r10:00000004 r9:c6daa000 r8:c15ebd4c r7:00000000 r6:c6dabdc8 r5:c0c575a4 <4>[ 65.386832] r4:e7f001f2 <4>[ 65.389637] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 65.397818] Exception stack(0xc6dabdc8 to 0xc6dabe10) <4>[ 65.403138] bdc0: c15ebd54 ef7815e0 33690c17 c0c57590 00000001 c6b85000 <4>[ 65.411583] bde0: 00000004 c6dabf60 c15ebd4c c1ad5568 00000004 c6dabe64 c6dabe68 c6dabe58 <4>[ 65.420027] be00: c0c57024 c0c575a4 a00e0013 ffffffff <4>[ 65.425346] r7:c6dabdfc r6:ffffffff r5:a00e0013 r4:c0c575a8 <4>[ 65.431275] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 65.439113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 65.447388] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 65.455573] r9:c6dabf60 r8:c52c2180 r7:00000004 r6:b6dd7000 r5:c5bd8c80 r4:c0c57404 <4>[ 65.463588] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 65.471686] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6dd7000 r5:c5bd8c80 r4:00000000 <4>[ 65.479698] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 65.487101] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6daa000 r5:c5bd8c80 <4>[ 65.495194] r4:c5bd8c80 <4>[ 65.497998] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 65.505402] r9:c6daa000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:00000004 r4:00000004 <4>[ 65.513414] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 65.521248] Exception stack(0xc6dabfa8 to 0xc6dabff0) <4>[ 65.526568] bfa0: 00000004 00000004 00000001 b6dd7000 00000004 00000000 <4>[ 65.535014] bfc0: 00000004 00000004 b6f1ee00 00000004 00000001 00000000 00020000 beda3ac4 <4>[ 65.543456] bfe0: 00000004 beda37f8 b6e88d8f b6e0f7e6 # Segmentation fault # [ 64.825329] lkdtm: Performing direct entry BUG # [ 64.830302] ------------[ cut here ]------------ # [ 64.835189] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.840681] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 64.846086] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.875383] CPU: 0 PID: 726 Comm: cat Not tainted 5.10.201-cip41 #1 # [ 64.881915] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.888717] PC is at lkdtm_BUG+0x14/0x18 # [ 64.892908] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.897619] pc : [] lr : [] psr: a00e0013 # [ 64.904151] sp : c6dabe58 ip : c6dabe68 fp : c6dabe64 # [ 64.909642] r10: 00000004 r9 : c1ad5568 r8 : c15ebd4c # [ 64.915134] r7 : c6dabf60 r6 : 00000004 r5 : c6b85000 r4 : 00000001 # [ 64.921927] r3 : c0c57590 r2 : 33690c17 r1 : ef7815e0 r0 : c15ebd54 # [ 64.928720] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 64.936120] Control: 10c5387d Table: 1685c04a DAC: 00000051 # [ 64.942134] Process cat (pid: 726, stack limit = 0xc4c8956f) # [ 64.948061] Stack: (0xc6dabe58 to 0xc6dac000) # [ 64.952686] be40: c6dabe74 c6dabe68 # [ 64.961132] be60: c0c57024 c0c5759c c6dabe9c c6dabe78 c0c57524 c0c57004 c0c57404 c5bd8c80 # [ 64.969579] be80: b6dd7000 00000004 c52c2180 c6dabf60 c6dabec4 c6dabea0 c07e13f8 c0c57410 # [ 64.978024] bea0: 00000000 c5bd8c80 b6dd7000 c2815800 c6dabf60 c07e1394 c6dabf5c c6dabec8 # [ 64.986471] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6daa000 # [ 64.994916] bee0: b6dd7000 00020000 00000004 00000004 0001fffc c6dabee0 00000001 b6dd6000 # [ 65.003362] bf00: c2f87540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 65.011809] bf20: 00000000 00000000 c13dc4d0 33690c17 c206c120 c5bd8c80 c5bd8c80 c6daa000 # [ 65.020257] bf40: b6dd7000 00000000 00000000 00000004 c6dabf94 c6dabf60 c059be08 c059b75c # [ 65.028704] bf60: 00000000 00000000 c6dabfac 33690c17 00000004 00000004 b6f1ee00 00000004 # [ 65.037151] bf80: c03002e4 c6daa000 c6dabfa4 c6dabf98 c059be98 c059bda0 00000000 c6dabfa8 # [ 65.045596] bfa0: c03000c0 c059be8c 00000004 00000004 00000001 b6dd7000 00000004 00000000 # [ 65.054044] bfc0: 00000004 00000004 b6f1ee00 00000004 00000001 00000000 00020000 beda3ac4 # [ 65.062489] bfe0: 00000004 beda37f8 b6e88d8f b6e0f7e6 800e0030 00000001 00000000 00000000 # [ 65.070928] Backtrace: # [ 65.073652] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.081494] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.089774] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.097962] r9:c6dabf60 r8:c52c2180 r7:00000004 r6:b6dd7000 r5:c5bd8c80 r4:c0c57404 # [ 65.105982] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.114082] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6dd7000 r5:c5bd8c80 r4:00000000 # [ 65.122095] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.129499] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6daa000 r5:c5bd8c80 # [ 65.137593] r4:c5bd8c80 # [ 65.140397] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.147801] r9:c6daa000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:00000004 r4:00000004 # [ 65.155816] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.163649] Exception stack(0xc6dabfa8 to 0xc6dabff0) # [ 65.168969] bfa0: 00000004 00000004 00000001 b6dd7000 00000004 00000000 # [ 65.177416] bfc0: 00000004 00000004 b6f1ee00 00000004 00000001 00000000 00020000 beda3ac4 # [ 65.185859] bfe0: 00000004 beda37f8 b6e88d8f b6e0f7e6 # [ 65.191181] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 65.197545] ---[ end trace 77811b8548b6e2eb ]--- # [ 65.202434] BUG:<6>[ 65.981526] lkdtm: Performing direct entry WARNING sleeping function called from in<4>[ 65.987425] ------------[ cut here ]------------ valid context at include/linux/pe<4>[ 65.995234] WARNING: CPU: 3 PID: 798 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c rcpu-rwsem.h:49 # [ 65.211572]<4>[ 66.006727] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 in_atomic(): 0, irqs_disabled():<4>[ 66.038780] CPU: 3 PID: 798 Comm: cat Tainted: G D W 5.10.201-cip41 #1 128, non_block: 0, pid: 726, nam<4>[ 66.049420] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e: cat # [ 65.219491] INFO: lo<4>[ 66.059071] Backtrace: ckdep is turned off. # [ 65.22<4>[ 66.064654] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 3679] irq event stamp: 1620 # [ <4>[ 66.075341] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 65.227270] hardirqs last enabl<4>[ 66.084125] [] (show_stack) from [] (dump_stack+0xe0/0x100) ed at (1619): [] consol<4>[ 66.094560] [] (dump_stack) from [] (__warn+0x98/0x14c) e_unlock+0x4b0/0x6c0 # [ 65.23<4>[ 66.104636] r9:00000009 r8:c0c575f0 r7:00000053 r6:00000009 r5:c0c575f0 r4:c1ad5c24 5371] hardirqs last disabled at (<4>[ 66.115506] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 1620): [] __und_svc+0x6<4>[ 66.126106] r7:00000053 r6:c1ad5c24 r5:00000000 r4:c59b8000 0/0x6c # [ 65.242867] softirqs<4>[ 66.134895] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) last enabled at (1088): [[ 66.146103] r9:c1ad556c r8:c15ebd4c r7:c59b9f60 r6:00000008 r5:c6bba000 r4:00000002 1e0>] release_sock+0x8c/0xa8 # [<4>[ 66.156970] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 65.250619] softirqs last disab<4>[ 66.168010] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) led at (1086): [] relea<4>[ 66.179141] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) se_sock+0x28/0xa8 # [ 65.25837<4>[ 66.190173] r9:c59b9f60 r8:c52c2180 r7:00000008 r6:b6e27000 r5:c68b43c0 r4:c0c57404 1] CPU: 0 PID: 726 Comm: cat Tain<4>[ 66.201047] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ted: G D 5.10.201-<4>[ 66.211991] r9:c07e1394 r8:c59b9f60 r7:c2815800 r6:b6e27000 r5:c68b43c0 r4:00000000 cip41 #1 # [ 65.266293] Hardwa<4>[ 66.222858] [] (vfs_write) from [] (ksys_write+0x74/0xec) re name: Freescale i.MX6 Quad/Dua<4>[ 66.233115] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c59b8000 r5:c68b43c0 lLite (Device Tree) # [ 65.273<4>[ 66.244061] r4:c68b43c0 083] Backtrace: # [ 65.275808<4>[ 66.249723] [] (ksys_write) from [] (sys_write+0x18/0x1c) ] [] (dump_backtrace) f<4>[ 66.259980] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000008 r4:00000008 rom [] (show_stack+0x20<4>[ 66.270848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) /0x24) # [ 65.283646] r7:ffff<4>[ 66.281536] Exception stack(0xc59b9fa8 to 0xc59b9ff0) ffff r6:600e0093 r5:00000000 r4:c<4>[ 66.289714] 9fa0: 00000008 00000008 00000001 b6e27000 00000008 00000000 1f1d0b8<4>[ 66.301013] 9fc0: 00000008 00000008 b6f6ee00 00000004 00000001 00000000 00020000 beaf2ac4 <4>[ 66.310051] 9fe0: 00000004 beaf27f8 b6ed8d8f b6e5f7e6 <4>[ 66.315444] irq event stamp: 0 <4>[ 66.318779] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 66.324657] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.289577] [] (sh<4>[ 66.332602] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac ow_stack) from [] (dump<4>[ 66.343233] softirqs last disabled at (0): [<00000000>] 0x0 _stack+0xe0/0x100) # [ 65.2971<4>[ 66.351892] ---[ end trace 77811b8548b6e2ec ]--- 63] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 65.305175] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1818 r4:c6daa000 # [ 65.313188] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 65.321283] r6:00000000 r5:00000031 r4:c19d1818 # [ 65.326178] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 65.334188] r6:00000001 r5:c6daa000 r4:c59c2880 # [ 65.339083] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 65.346660] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c59c2880 # [ 65.353633] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 65.361207] r7:c1e1cb0c # [ 65.364015] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 65.371421] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 65.378738] r10:00000004 r9:c6daa000 r8:c15ebd4c r7:00000000 r6:c6dabdc8 r5:c0c575a4 # [ 65.386832] r4:e7f001f2 # [ 65.389637] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 65.397818] Exception stack(0xc6dabdc8 to 0xc6dabe10) # [ 65.403138] bdc0: c15ebd54 ef7815e0 33690c17 c0c57590 00000001 c6b85000 # [ 65.411583] bde0: 00000004 c6dabf60 c15ebd4c c1ad5568 00000004 c6dabe64 c6dabe68 c6dabe58 # [ 65.420027] be00: c0c57024 c0c575a4 a00e0013 ffffffff # [ 65.425346] r7:c6dabdfc r6:ffffffff r5:a00e0013 r4:c0c575a8 # [ 65.431275] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.439113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.447388] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.455573] r9:c6dabf60 r8:c52c2180 r7:00000004 r6:b6dd7000 r5:c5bd8c80 r4:c0c57404 # [ 65.463588] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.471686] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6dd7000 r5:c5bd8c80 r4:00000000 # [ 65.479698] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.487101] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6daa000 r5:c5bd8c80 # [ 65.495194] r4:c5bd8c80 # [ 65.497998] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.505402] r9:c6daa000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:00000004 r4:00000004 # [ 65.513414] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.521248] Exception stack(0xc6dabfa8 to 0xc6dabff0) # [ 65.526568] bfa0: 00000004 00000004 00000001 b6dd7000 00000004 00000000 # [ 65.535014] bfc0: 00000004 00000004 b6f1ee00 00000004 00000001 00000000 00020000 beda3ac4 # [ 65.543456] bfe0: 00000004 beda37f8 b6e88d8f b6e0f7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.981526] lkdtm: Performing direct entry WARNING # [ 65.987425] ------------[ cut here ]------------ # [ 65.995234] WARNING: CPU: 3 PID: 798 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 66.006727] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 66.038780] CPU: 3 PID: 798 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 66.049420] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.059071] Backtrace: # [ 66.064654] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 66.075341] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 66.084125] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 66.094560] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 66.104636] r9:00000009 r8:c0c575f0 r7:00000053 r6:00000009 r5:c0c575f0 r4:c1ad5c24 # [ 66.115506] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 66.126106] r7:00000053 r6:c1ad5c24 r5:00000000 r4:c59b8000 # [ 66.134895] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 66.146103] r9:c1ad556c r8:c15ebd4c r7:c59b9f60 r6:00000008 r5:c6bba000 r4:00000002 # [ 66.156970] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.168010] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.179141] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.190173] r9:c59b9f60 r8:c52c2180 r7:00000008 r6:b6e27000 r5:c68b43c0 r4:c0c57404 # [ 66.201047] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.211991] r9:c07e1394 r8:c59b9f60 r7:c2815800 r6:b6e27000 r5:c68b43c0 r4:00000000 # [ 66.222858] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.233115] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c59b8000 r5:c68b43c0 # [ 66.244061] r4:c68b43c0 # [ 66.249723] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.259980] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000008 r4:00000008 # [ 66.270848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.281536] Exception stack(0xc59b9fa8 to 0xc59b9ff0) # [ 66.289714] 9fa0: 00000008 00000008 00000001 b6e27000 00000008 00000000 # [ 66.301013] 9fc0: 00000008 00000008 b6f6ee00 00000004 00000001 00000000 00020000 beaf2ac4 # [ 66.310051] 9fe0: 00000004 beaf27f8 b6ed8d8f b6e5f7e6 # [ 66.315444] irq event stamp: 0 # [ 66.318779] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 66.324657] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 66.332602] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 66.343233] softirqs last disabled at (0): [<00000000>] 0x0 # [ 66.351892] ---[ end <6>[ 66.890556] lkdtm: Performing direct entry WARNING_MESSAGE trace 77811b8548b6e2ec ]--- # WA<4>[ 66.898515] ------------[ cut here ]------------ RNING: saw 'WARNING:': ok ok 3 s<4>[ 66.906213] WARNING: CPU: 2 PID: 834 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 elftests: lkdtm: WARNING.sh # se<4>[ 66.918474] Warning message trigger count: 2 lftests: lkdtm: WARNING_MESSAGE.s<4>[ 66.925806] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 h <4>[ 66.957771] CPU: 2 PID: 834 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 66.965909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 66.972703] Backtrace: <4>[ 66.975436] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 66.983276] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 66.989208] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 66.996793] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 67.004025] r9:00000009 r8:c0c57640 r7:00000058 r6:00000009 r5:c0c57640 r4:c1ad5c24 <4>[ 67.012038] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 67.019789] r7:00000058 r6:c1ad5c24 r5:c1ad5c40 r4:c59b8000 <4>[ 67.025721] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) <4>[ 67.034776] r9:c1ad5574 r8:c15ebd4c r7:c59b9f60 r6:00000010 r5:c6bd1000 r4:00000003 <4>[ 67.042790] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 67.051670] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 67.059948] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 67.068134] r9:c59b9f60 r8:c52c2180 r7:00000010 r6:b6e1f000 r5:c6c07400 r4:c0c57404 <4>[ 67.076153] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 67.084251] r9:c07e1394 r8:c59b9f60 r7:c2815800 r6:b6e1f000 r5:c6c07400 r4:00000000 <4>[ 67.092263] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 67.099668] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c59b8000 r5:c6c07400 <4>[ 67.107762] r4:c6c07400 <4>[ 67.110567] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 67.117973] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000010 r4:00000010 <4>[ 67.125990] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 67.133825] Exception stack(0xc59b9fa8 to 0xc59b9ff0) <4>[ 67.139148] 9fa0: 00000010 00000010 00000001 b6e1f000 00000010 00000000 <4>[ 67.147594] 9fc0: 00000010 00000010 b6f66e00 00000004 00000001 00000000 00020000 bec26ac4 <4>[ 67.156038] 9fe0: 00000004 bec267f8 b6ed0d8f b6e577e6 <4>[ 67.161418] irq event stamp: 0 <4>[ 67.164773] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 67.170624] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 67.178415] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 67.186249] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 67.192161] ---[ end trace 77811b8548b6e2ed ]--- # [ 66.890556] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.898515] ------------[ cut here ]------------ # [ 66.906213] WARNING: CPU: 2 PID: 834 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 66.918474] Warning message trigger count: 2 # [ 66.925806] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 66.957771] CPU: 2 PID: 834 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 66.965909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.972703] Backtrace: # [ 66.975436] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 66.983276] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 66.989208] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 66.996793] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 67.004025] r9:00000009 r8:c0c57640 r7:00000058 r6:00000009 r5:c0c57640 r4:c1ad5c24 # [ 67.012038] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 67.019789] r7:00000058 r6:c1ad5c24 r5:c1ad5c40 r4:c59b8000 # [ 67.025721] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 67.034776] r9:c1ad5574 r8:c15ebd4c r7:c59b9f60 r6:00000010 r5:c6bd1000 r4:00000003 # [ 67.042790] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.051670] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.059948] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.068134] r9:c59b9f60 r8:c52c2180 r7:00000010 r6:b6e1f000 r5:c6c07400 r4:c0c57404 # [ 67.076153] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.084251] r9:c07e1394 r8:c59b9f60 r7:c2815800 r6:b6e1f000 r5:c6c07400 r4:00000000 # [ 67.092263] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.099668] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c59b8000 r5:c6c07400 # [ 67.107762] r4:c6c07400 # [ 67.110567] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.117973] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000010 r4:00000010 # [ 67.125990] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.133825] Exception stack(0xc59b9fa8 to 0xc59b9ff0) # [ 67.139148] 9fa0: 00000010 00000010 00000001 b6e1f000 00000010 00000000 # [ 67.147594] 9fc0: 00000010 00000010 b6f66e00 00000004 00000001 00000000 00020000 bec26ac4 # [ 67.156038] 9fe0: 00000004 bec267f8 b6ed0d8f b6e577e6 # [ 67.161418] irq event stamp: 0 # [ 67.164773] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 67.170624<6>[ 67.509657] lkdtm: Performing direct entry EXCEPTION ] hardirqs last disabled at (0): <1>[ 67.515308] 8<--- cut here --- [] copy_process+0x5f8/0<1>[ 67.521449] Unable to handle kernel NULL pointer dereference at virtual address 00000000 x1dac # [ 67.178415] softirqs <1>[ 67.532715] pgd = 4aaf6286 last enabled at (0): [<1>[ 67.538526] [00000000] *pgd=00000000 ] copy_process+0x5f8/0x1dac # [ <0>[ 67.546187] Internal error: Oops: 805 [#2] SMP ARM <4>[ 67.553156] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 67.582451] CPU: 0 PID: 867 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 67.590372] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 67.597176] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 67.601889] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 67.606598] pc : [] lr : [] psr: a00e0013 <4>[ 67.613131] sp : c69e1e58 ip : c69e1e68 fp : c69e1e64 <4>[ 67.618622] r10: 0000000a r9 : c1ad5584 r8 : c15ebd4c <4>[ 67.624112] r7 : c69e1f60 r6 : 0000000a r5 : c6b85000 r4 : 00000004 <4>[ 67.630904] r3 : 00000000 r2 : caad6a0a r1 : ef7815e0 r0 : c15ebd6c <4>[ 67.637698] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 67.645101] Control: 10c5387d Table: 1695804a DAC: 00000051 <0>[ 67.651115] Process cat (pid: 867, stack limit = 0x33fce18e) <0>[ 67.657041] Stack: (0xc69e1e58 to 0xc69e2000) <0>[ 67.661665] 1e40: c69e1e74 c69e1e68 <0>[ 67.670111] 1e60: c0c57024 c0c57654 c69e1e9c c69e1e78 c0c57524 c0c57004 c0c57404 c2f52f00 <0>[ 67.678559] 1e80: b6eb1000 0000000a c52c2180 c69e1f60 c69e1ec4 c69e1ea0 c07e13f8 c0c57410 <0>[ 67.687007] 1ea0: 00000000 c2f52f00 b6eb1000 c2815800 c69e1f60 c07e1394 c69e1f5c c69e1ec8 <0>[ 67.695452] 1ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c69e0000 <0>[ 67.703899] 1ee0: b6eb1000 00020000 00000004 0000000a 0001fff6 c69e1ee0 00000001 b6eb0000 <0>[ 67.712344] 1f00: c6a248c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 67.720790] 1f20: 00000000 00000000 c13dc4d0 caad6a0a c206c120 c2f52f00 c2f52f00 c69e0000 <0>[ 67.729236] 1f40: b6eb1000 00000000 00000000 00000004 c69e1f94 c69e1f60 c059be08 c059b75c <0>[ 67.737683] 1f60: 00000000 00000000 c69e1fac caad6a0a 0000000a 0000000a b6ff8e00 00000004 <0>[ 67.746129] 1f80: c03002e4 c69e0000 c69e1fa4 c69e1f98 c059be98 c059bda0 00000000 c69e1fa8 <0>[ 67.754574] 1fa0: c03000c0 c059be8c 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 <0>[ 67.763022] 1fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 beddeac4 <0>[ 67.771467] 1fe0: 00000004 bedde7f8 b6f62d8f b6ee97e6 800e0030 00000001 00000000 00000000 <0>[ 67.779907] Backtrace: <0>[ 67.782632] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.790995] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 67.799273] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 67.807461] r9:c69e1f60 r8:c52c2180 r7:0000000a r6:b6eb1000 r5:c2f52f00 r4:c0c57404 <0>[ 67.815481] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 67.823579] r9:c07e1394 r8:c69e1f60 r7:c2815800 r6:b6eb1000 r5:c2f52f00 r4:00000000 <0>[ 67.831593] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 67.838997] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c69e0000 r5:c2f52f00 <0>[ 67.847091] r4:c2f52f00 <0>[ 67.849894] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 67.857298] r9:c69e0000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000a r4:0000000a <0>[ 67.865313] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 67.873147] Exception stack(0xc69e1fa8 to 0xc69e1ff0) <0>[ 67.878467] 1fa0: 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 <0>[ 67.886912] 1fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 beddeac4 <0>[ 67.895355] 1fe0: 00000004 bedde7f8 b6f62d8f b6ee97e6 <0>[ 67.900675] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 67.186249] softirqs last disabl<4>[ 67.907576] ---[ end trace 77811b8548b6e2ee ]--- ed at (0): [<00000000>] 0x0 # [ 67.192161] ---[ end trace 77811b8548b6e2ed ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 67.509657] lkdtm: Performing direct entry EXCEPTION # [ 67.515308] 8<--- cut here --- # [ 67.521449] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 67.532715] pgd = 4aaf6286 # [ 67.538526] [00000000] *pgd=00000000 # [ 67.546187] Internal error: Oops: 805 [#2] SMP ARM # [ 67.553156] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 67.582451] CPU: 0 PID: 867 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 67.590372] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.597176] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 67.601889] LR is at lkdtm_do_action+0x2c/0x4c # [ 67.606598] pc : [] lr : [] psr: a00e0013 # [ 67.613131] sp : c69e1e58 ip : c69e1e68 fp : c69e1e64 # [ 67.618622] r10: 0000000a r9 : c1ad5584 r8 : c15ebd4c # [ 67.624112] r7 : c69e1f60 r6 : 0000000a r5 : c6b85000 r4 : 00000004 # [ 67.630904] r3 : 00000000 r2 : caad6a0a r1 : ef7815e0 r0 : c15ebd6c # [ 67.637698] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 67.645101] Control: 10c5387d Table: 1695804a DAC: 00000051 # [ 67.651115] Process cat (pid: 867, stack limit = 0x33fce18e) # [ 67.657041] Stack: (0xc69e1e58 to 0xc69e2000) # [ 67.661665] 1e40: c69e1e74 c69e1e68 # [ 67.670111] 1e60: c0c57024 c0c57654 c69e1e9c c69e1e78 c0c57524 c0c57004 c0c57404 c2f52f00 # [ 67.678559] 1e80: b6eb1000 0000000a c52c2180 c69e1f60 c69e1ec4 c69e1ea0 c07e13f8 c0c57410 # [ 67.687007] 1ea0: 00000000 c2f52f00 b6eb1000 c2815800 c69e1f60 c07e1394 c69e1f5c c69e1ec8 # [ 67.695452] 1ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c69e0000 # [ 67.703899] 1ee0: b6eb1000 00020000 00000004 0000000a 0001fff6 c69e1ee0 00000001 b6eb0000 # [ 67.712344] 1f00: c6a248c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.720790] 1f20: 00000000 00000000 c13dc4d0 caad6a0a c206c120 c2f52f00 c2f52f00 c69e0000 # [ 67.729236] 1f40: b6eb1000 00000000 00000000 00000004 c69e1f94 c69e1f60 c059be08 c059b75c # [ 67.737683] 1f60: 00000000 00000000 c69e1fac caad6a0a 0000000a 0000000a b6ff8e00 00000004 # [ 67.746129] 1f80: c03002e4 c69e0000 c69e1fa4 c69e1f98 c059be98 c059bda0 00000000 c69e1fa8 # [ 67.754574] 1fa0: c03000c0 c059be8c 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 # [ 67.763022] 1fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 beddeac4 # [ 67.771467] 1fe0: 00000004 bedde7f8 b6f62d8f b6ee97e6 800e0030 00000001 00000000 00000000 # [ 67.779907] Backtrace: # [ 67.782632] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.790995] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.799273] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.807461] r9:c69e1f60 r8:c52c2180 r7:0000000a r6:b6eb1000 r5:c2f52f00 r4:c0c57404 # [ 67.815481] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.823579] r9:c07e1394 r8:c69e1f60 r7:c2815800 r6:b6eb1000 r5:c2f52f00 r4:00000000 # [ 67.831593] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.838997] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c69e0000 r5:c2f52f00 # [ 67.847091] r4:c2f52f00 # [ 67.849894] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.857298] r9:c69e0000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000a r4:0000000a # [ 67.865313] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.873147] Exception stack(0xc69e1fa8 to 0xc69e1ff0) # [ 67.878467] 1fa0: 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 # [ 67.886912] 1fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 beddeac4 # [ 67.895355] 1fe0: 00000004 bedde7f8 b6f62d8f b6ee97e6 # [ 67.900675] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 67.907576] ---[ end trace 77811b8548b6e2ee ]--- # 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>[ 69.076345] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 69.082367] lkdtm: attempting good list addition <6>[ 69.087282] lkdtm: attempting corrupted list addition <3>[ 69.092658] lkdtm: list_add() corruption not detected! # [ 69.076345] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 69.082367] lkdtm: attempting good list addition # [ 69.087282] lkdtm: attempting corrupted list addition # [ 69.092658] 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>[ 69.441008] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 69.447032] lkdtm: attempting good list removal <6>[ 69.451867] lkdtm: attempting corrupted list removal <3>[ 69.457150] lkdtm: list_del() corruption not detected! # [ 69.441008] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.447032] lkdtm: attempting good list removal # [ 69.451867] lkdtm: attempting corrupted list removal # [ 69.457150] 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 <4>[ 69.625233] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.633876] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.644849] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.674010] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.682694] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.691365] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.700154] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.710124] platform panel-lcd: deferred probe pending <6>[ 69.715701] platform panel-lvds0: deferred probe pending <6>[ 69.721319] platform backlight-lcd: deferred probe pending <6>[ 69.727207] platform backlight-lvds: deferred probe pending <6>[ 69.733130] platform 120000.hdmi: deferred probe pending <6>[ 69.827096] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 69.833712] lkdtm: attempting bad read from page below current stack <3>[ 69.840344] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 69.827096] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.833712] lkdtm: attempting bad read from page below current stack # [ 69.840344] 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>[ 70.163106] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 70.169743] lkdtm: attempting bad read from page above current stack <3>[ 70.176496] lkdtm: FAIL: accessed page after stack! (byte: 6c) # [ 70.163106] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 70.169743] lkdtm: attempting bad read from page above current stack # [ 70.176496] lkdtm: FAIL: accessed page after stack! (byte: 6c) # 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>[ 70.528776] lkdtm: Performing direct entry UNSET_SMEP <3>[ 70.534259] lkdtm: XFAIL: this test is x86_64-only # [ 70.528776] lkdtm: Performing direct entry UNSET_SMEP # [ 70.534259] 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>[ 70.852258] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 70.857765] lkdtm: XFAIL: this test is ia32-only # [ 70.852258] lkdtm: Performing direct entry DOUBLE_FAULT # [ 70.857765] 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>[ 71.169419] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 71.174890] lkdtm: XFAIL: this test is arm64-only # [ 71.169419] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.174890] 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>[ 71.485563] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 71.492365] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 71.485563] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.492365] 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>[ 72.190102] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 72.195939] lkdtm: Value in memory before free: 12345678 <6>[ 72.201529] lkdtm: Attempting bad read from freed memory <6>[ 72.207324] lkdtm: Memory was not poisoned # [ 72.190102] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.195939] lkdtm: Value in memory before free: 12345678 # [ 72.201529] lkdtm: Attempting bad read from freed memory # [ 72.207324] 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>[ 72.709202] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 72.715607] lkdtm: Value in memory before free: 12345678 <6>[ 72.721192] lkdtm: Attempting to read from freed memory <6>[ 72.726725] lkdtm: Buddy page was not poisoned # [ 72.709202] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.715607] lkdtm: Value in memory before free: 12345678 # [ 72.721192] lkdtm: Attempting to read from freed memory # [ 72.726725] 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>[ 73.040778] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 73.046698] lkdtm: Attempting double slab free ... # [ 73.040778] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 73.046698] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 73.354732] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 73.360510] lkdtm: Attempting cross-cache slab free ... # [ 73.354732] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.360510] 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>[ 73.676201] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 73.681890] lkdtm: Attempting non-Slab slab free ... # [ 73.676201] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.681890] 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>[ 74.728669] lkdtm: Performing direct entry EXEC_DATA <6>[ 74.733990] lkdtm: attempting ok execution at c0c57d94 <6>[ 74.739406] lkdtm: attempting bad execution at c27069b4 <1>[ 74.745018] 8<--- cut here --- <1>[ 74.748356] Unable to handle kernel paging request at virtual address c27069b4 <1>[ 74.755845] pgd = b57440b4 <1>[ 74.758818] [c27069b4] *pgd=1261141e(bad) <0>[ 74.763109] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 74.768602] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 74.797900] CPU: 2 PID: 1742 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 74.805909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 74.812709] PC is at data_area+0x0/0x40 <4>[ 74.816820] LR is at execute_location+0xa4/0xb4 <4>[ 74.821618] pc : [] lr : [] psr: 600e0013 <4>[ 74.828149] sp : c5e07e38 ip : c5e07d40 fp : c5e07e54 <4>[ 74.833640] r10: 0000000a r9 : c1ad5768 r8 : c15ebd4c <4>[ 74.839131] r7 : c5e07f60 r6 : 00000001 r5 : c27069b4 r4 : c0c57d94 <4>[ 74.845922] r3 : ac4f8401 r2 : ac4f8401 r1 : ef7ab5e0 r0 : 0000002b <4>[ 74.852717] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 74.860119] Control: 10c5387d Table: 169fc04a DAC: 00000051 <0>[ 74.866133] Process cat (pid: 1742, stack limit = 0xf44c28a3) <0>[ 74.872146] Stack: (0xc5e07e38 to 0xc5e08000) <0>[ 74.876769] 7e20: 0000001f c42a3000 <0>[ 74.885215] 7e40: 0000000a c5e07f60 c5e07e64 c5e07e58 c13c711c c13c6f18 c5e07e74 c5e07e68 <0>[ 74.893660] 7e60: c0c57024 c13c7104 c5e07e9c c5e07e78 c0c57524 c0c57004 c0c57404 c699ab40 <0>[ 74.902108] 7e80: b6e05000 0000000a c52c2180 c5e07f60 c5e07ec4 c5e07ea0 c07e13f8 c0c57410 <0>[ 74.910556] 7ea0: 00000000 c699ab40 b6e05000 c2815800 c5e07f60 c07e1394 c5e07f5c c5e07ec8 <0>[ 74.919002] 7ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c5e06000 <0>[ 74.927448] 7ee0: b6e05000 00020000 00000004 0000000a 0001fff6 c5e07ee0 00000001 b6e04000 <0>[ 74.935895] 7f00: c6988500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.944342] 7f20: 00000000 00000000 c13dc4d0 ac4f8401 c206c120 c699ab40 c699ab40 c5e06000 <0>[ 74.952787] 7f40: b6e05000 00000000 00000000 00000004 c5e07f94 c5e07f60 c059be08 c059b75c <0>[ 74.961234] 7f60: 00000000 00000000 c5e07fac ac4f8401 0000000a 0000000a b6f4ce00 00000004 <0>[ 74.969680] 7f80: c03002e4 c5e06000 c5e07fa4 c5e07f98 c059be98 c059bda0 00000000 c5e07fa8 <0>[ 74.978125] 7fa0: c03000c0 c059be8c 0000000a 0000000a 00000001 b6e05000 0000000a 00000000 <0>[ 74.986571] 7fc0: 0000000a 0000000a b6f4ce00 00000004 00000001 00000000 00020000 beddeac4 <0>[ 74.995017] 7fe0: 00000004 bedde7f8 b6eb6d8f b6e3d7e6 800e0030 00000001 00000000 00000000 <0>[ 75.003457] Backtrace: <0>[ 75.006182] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 75.014628] r7:c5e07f60 r6:0000000a r5:c42a3000 r4:0000001f <0>[ 75.020563] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.028924] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.037205] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.045392] r9:c5e07f60 r8:c52c2180 r7:0000000a r6:b6e05000 r5:c699ab40 r4:c0c57404 <0>[ 75.053412] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.061510] r9:c07e1394 r8:c5e07f60 r7:c2815800 r6:b6e05000 r5:c699ab40 r4:00000000 <0>[ 75.069525] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.076929] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c5e06000 r5:c699ab40 <0>[ 75.085024] r4:c699ab40 <0>[ 75.087828] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.095232] r9:c5e06000 r8:c03002e4 r7:00000004 r6:b6f4ce00 r5:0000000a r4:0000000a <0>[ 75.103248] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.111082] Exception stack(0xc5e07fa8 to 0xc5e07ff0) <0>[ 75.116400] 7fa0: 0000000a 0000000a 00000001 b6e05000 0000000a 00000000 <0>[ 75.124845] 7fc0: 0000000a 0000000a b6f4ce00 00000004 00000001 00000000 00020000 beddeac4 <0>[ 75.133290] 7fe0: 00000004 bedde7f8 b6eb6d8f b6e3d7e6 <0>[ 75.138611] Code: 00000000 c43a70c0 c43a7180 c43a7240 (e1a0c00d) <4>[ 75.144976] ---[ end trace 77811b8548b6e2ef ]--- # Segmentation fault # [ 74.728669] lkdtm: Performing direct entry EXEC_DATA # [ 74.733990] lkdtm: attempting ok execution at c0c57d94 # [ 74.739406] lkdtm: attempting bad execution at c27069b4 # [ 74.745018] 8<--- cut here --- # [ 74.748356] Unable to handle kernel paging request at virtual address c27069b4 # [ 74.755845] pgd = b57440b4 # [ 74.758818] [c27069b4] *pgd=1261141e(bad) # [ 74.763109] Internal error: Oops: 8000000d [#3] SMP ARM # [ 74.768602] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.797900] CPU: 2 PID: 1742 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 74.805909] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.812709] PC is at data_area+0x0/0x40 # [ 74.816820] LR is at execute_location+0xa4/0xb4 # [ 74.821618] pc : [] lr : [] psr: 600e0013 # [ 74.828149] sp : c5e07e38 ip : c5e07d40 fp : c5e07e54 # [ 74.833640] r10: 0000000a r9 : c1ad5768 r8 : c15ebd4c # [ 74.839131] r7 : c5e07f60 r6 : 00000001 r5 : c27069b4 r4 : c0c57d94 # [ 74.845922] r3 : ac4f8401 r2 : ac4f8401 r1 : ef7ab5e0 r0 : 0000002b # [ 74.852717] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.860119] Control: 10c5387d Table: 169fc04a DAC: 00000051 # [ 74.866133] Process cat (pid: 1742, stack limit = 0xf44c28a3) # [ 74.872146] Stack: (0xc5e07e38 to 0xc5e08000) # [ 74.876769] 7e20: 0000001f c42a3000 # [ 74.885215] 7e40: 0000000a c5e07f60 c5e07e64 c5e07e58 c13c711c c13c6f18 c5e07e74 c5e07e68 # [ 74.893660] 7e60: c0c57024 c13c7104 c5e07e9c c5e07e78 c0c57524 c0c57004 c0c57404 c699ab40 # [ 74.902108] 7e80: b6e05000 0000000a c52c2180 c5e07f60 c5e07ec4 c5e07ea0 c07e13f8 c0c57410 # [ 74.910556] 7ea0: 00000000 c699ab40 b6e05000 c2815800 c5e07f60 c07e1394 c5e07f5c c5e07ec8 # [ 74.919002] 7ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c5e06000 # [ 74.927448] 7ee0: b6e05000 00020000 00000004 0000000a 0001fff6 c5e07ee0 00000001 b6e04000 # [ 74.935895] 7f00: c6988500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.944342] 7f20: 00000000 00000000 c13dc4d0 ac4f8401 c206c120 c699ab40 c699ab40 c5e06000 # [ 74.952787] 7f40: b6e05000 00000000 00000000 00000004 c5e07f94 c5e07f60 c059be08 c059b75c # [ 74.961234] 7f60: 00000000 00000000 c5e07fac ac4f8401 0000000a 0000000a b6f4ce00 00000004 # [ 74.969680] 7f80: c03002e4 c5e06000 c5e07fa4 c5e07f98 c059be98 c059bda0 00000000 c5e07fa8 # [ 74.978125] 7fa0: c03000c0 c059be8c 0000000a 0000000a 00000001 b6e05000 0000000a 00000000 # [ 74.986571] 7fc0: 0000000a 0000000a b6f4ce00 00000004 00000001 00000000 00020000 beddeac4 # [ 74.995017] 7fe0: 00000004 bedde7f8 b6eb6d8f b6e3d7e6 800e0030 00000001 00000000 00000000 # [ 75.003457] Backtrace: # [ 75.006182] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 75.014628] r7:c5e07f60 r6:0000000a r5:c42a3000 r4:0000001f # [ 75.020563] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.028924] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.037205] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.045392] r9:c5e07f60 r8:c52c2180 r7:0000000a r6:b6e05000 r5:c699ab40 r4:c0c57404 # [ 75.053412] [] (full_proxy_write) from [] (v<6>[ 75.566636] lkdtm: Performing direct entry EXEC_STACK fs_write+0x10c/0x53c) # [ 75.0<6>[ 75.573300] lkdtm: attempting ok execution at c0c57d94 61510] r9:c07e1394 r8:c5e07f<660[ 75.581479] lkdtm: attempting bad execution at c59abe0c r7:c2815800 r6:b6e05000 r5:c699a<1>[ 75.589729] 8<--- cut here --- b40 r4:0000<010>0[0 #7 5[. 5 5748] Unable to handle kernel paging request at virtual address c59abe0c 75.069525] [<5[9 b 7 7550.>05054] pgd = 87786617 ] (vfs_write) from [<]1>[ 75.609929] [c59abe0c] *pgd=1581141e(bad) (ksys_write+0x74/0c[) #75.616892] Internal error: Oops: 8000000d [#4] SMP ARM [ 75.076929] r10:00000004 r9:0<4>[ 75.624545] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0000000 r8:0000000<04 >r[7 : b 675.656508] CPU: 3 PID: 1819 Comm: cat Tainted: G D W 5.10.201-cip41 #1 05000 r6:c5e<046>0[0 0 r755:.c666676] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 99ab40 # [ 75.<048>5[0 2 4 ]7 .675374] PC is at 0xc59abe0c r4:c699ab40 # [ 75.08<748>2[8 75.680862] LR is at execute_location+0xa4/0xb4 ] [>[] ( k7s5y.s6_88072] pc : [] lr : [] psr: 600e0013 rite) fro[[< c 0 5795b.e6998421] sp : c59abde8 ip : c59abcf0 fp : c59abe04 >] (sys_writ0[x 1 87/50.x713641] r10: 0000000b r9 : c1ad5774 r8 : c15ebd4c c) # [ 75.<049>5[2 3 2 ]7 5 .r10948] r7 : c59abf60 r6 : 00000001 r5 : c59abe0c r4 : c0c57d94 9:c5e06000< 4r>8[: c 0 37050.27e19642] r3 : 7da4ded0 r2 : 7da4ded0 r1 : ef7c05e0 r0 : 0000002b r7:00000004 r<64:>b[6 f 4 c7e50.728252] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r5:0000000a :[0 0 0 0705.0737640] Control: 10c5387d Table: 16cf004a DAC: 00000051 a # [ 75.10<302>4[8 ] [7<5c.745554] Process cat (pid: 1819, stack limit = 0x4876329d) 59be80>] (s[_ w r i7t5e.)7 53554] Stack: (0xc59abde8 to 0xc59ac000) rom [] (t[_ f a s75.759997] bde0: c59aa000 c6bce000 0000000b c59abf60 c59abe64 c59abe08 _syscall+0x0/0x28)< 0 >#[ [ 75.770600] be00: c13c7158 c13c6f18 c59abe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 75.111082] Excepti [s t a c75.781205] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 (0xc5e07fa8 to <00x>c[5 e 0 77f5f791808] be40: e3a02040 e3a01d33 e5930018 7da4ded0 0000000b 00000020 c59abe74 c59abe68 0) # [ 75.116<400>0[] 7 f7a5.802239] be60: c0c57024 c13c712c c59abe9c c59abe78 c0c57524 c0c57004 c0c57404 c5960280 : < 0 >0[0 0 0 075.812758] be80: b6e69000 0000000b c52c2180 c59abf60 c59abec4 c59abea0 c07e13f8 c0c57410 0a 0000000a 00000<000>1[ b 6 e70.823362] bea0: 00000000 c5960280 b6e69000 c2815800 c59abf60 c07e1394 c59abf5c c59abec8 5000 0000000a 0000<000>0[0 #75.833881] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c59aa000 [ 75.124845] <70f>c[0 : 07050844484] bee0: b6e69000 00020000 00000004 0000000b 0001fff5 c59abee0 00000001 b6e68000 0000a 0000000a< 0b>6[f 4 c e7050.854915] bf00: c699a280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000004 00000001 00<000>0[0 0 0 75.865349] bf20: 00000000 00000000 c13dc4d0 7da4ded0 c206c120 c5960280 c5960280 c59aa000 00020000 beddea [ # [7 5 876038] bf40: b6e69000 00000000 00000000 00000004 c59abf94 c59abf60 c059be08 c059b75c 75.133290] 7fe0<:0 >0[0 0 0 0705.886471] bf60: 00000000 00000000 c59abfac 7da4ded0 0000000b 0000000b b6fb0e00 00000004 4 bedde7f8 b6eb6f[ b 6 e735.896987] bf80: c03002e4 c59aa000 c59abfa4 c59abf98 c059be98 c059bda0 00000000 c59abfa8 7e6 # [ 75.13<806>1[1 ] C7o5.907505] bfa0: c03000c0 c059be8c 0000000b 0000000b 00000001 b6e69000 0000000b 00000000 e: 00000000 c4<30a>7[0 c 0 7c54.918023] bfc0: 0000000b 0000000b b6fb0e00 00000004 00000001 00000000 00020000 befadac4 a7180 c43a7240 (a[0 c 0 07d5.928455] bfe0: 00000004 befad7f8 b6f1ad8f b6ea17e6 800e0030 00000001 00000000 00000000 # [ 75.14<409>7[6 ] -7-5-.938967] Backtrace: end trace 77811b8548b6e<20e>f[ 75.943679] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) --- # EXEC_DATA:< 0m>i[s s i n7g.954628] r7:c59abf60 r6:0000000b r5:c6bce000 r4:c59aa000 'call trace:': [FAIL] t[ 75.962632] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) k 30 selftt[s : l7k5d.t9m73489] r4:00000020 EXEC_DATA.sh # ex=[1 #75.978108] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) selftests: lkdtm: EXEC_STK[. 75.988545] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) sh <0>[ 75.999145] r9:c59abf60 r8:c52c2180 r7:0000000b r6:b6e69000 r5:c5960280 r4:c0c57404 <0>[ 76.007503] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.015601] r9:c07e1394 r8:c59abf60 r7:c2815800 r6:b6e69000 r5:c5960280 r4:00000000 <0>[ 76.023615] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.031019] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c59aa000 r5:c5960280 <0>[ 76.039112] r4:c5960280 <0>[ 76.041916] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.049320] r9:c59aa000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:0000000b r4:0000000b <0>[ 76.057334] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.065168] Exception stack(0xc59abfa8 to 0xc59abff0) <0>[ 76.070487] bfa0: 0000000b 0000000b 00000001 b6e69000 0000000b 00000000 <0>[ 76.078932] bfc0: 0000000b 0000000b b6fb0e00 00000004 00000001 00000000 00020000 befadac4 <0>[ 76.087374] bfe0: 00000004 befad7f8 b6f1ad8f b6ea17e6 <0>[ 76.092697] Code: c59abe08 c13c7158 c13c6f18 c59abe6c (e1a0c00d) <4>[ 76.099062] ---[ end trace 77811b8548b6e2f0 ]--- # Segmentation fault # [ 75.566636] lkdtm: Performing direct entry EXEC_STACK # [ 75.573300] lkdtm: attempting ok execution at c0c57d94 # [ 75.581479] lkdtm: attempting bad execution at c59abe0c # [ 75.589729] 8<--- cut here --- # [ 75.595748] Unable to handle kernel paging request at virtual address c59abe0c # [ 75.605054] pgd = 87786617 # [ 75.609929] [c59abe0c] *pgd=1581141e(bad) # [ 75.616892] Internal error: Oops: 8000000d [#4] SMP ARM # [ 75.624545] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.656508] CPU: 3 PID: 1819 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 75.666676] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.675374] PC is at 0xc59abe0c # [ 75.680862] LR is at execute_location+0xa4/0xb4 # [ 75.688072] pc : [] lr : [] psr: 600e0013 # [ 75.696421] sp : c59abde8 ip : c59abcf0 fp : c59abe04 # [ 75.703641] r10: 0000000b r9 : c1ad5774 r8 : c15ebd4c # [ 75.710948] r7 : c59abf60 r6 : 00000001 r5 : c59abe0c r4 : c0c57d94 # [ 75.719642] r3 : 7da4ded0 r2 : 7da4ded0 r1 : ef7c05e0 r0 : 0000002b # [ 75.728252] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.737640] Control: 10c5387d Table: 16cf004a DAC: 00000051 # [ 75.745554] Process cat (pid: 1819, stack limit = 0x4876329d) # [ 75.753554] Stack: (0xc59abde8 to 0xc59ac000) # [ 75.759997] bde0: c59aa000 c6bce000 0000000b c59abf60 c59abe64 c59abe08 # [ 75.770600] be00: c13c7158 c13c6f18 c59abe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 75.781205] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 # [ 75.791808] be40: e3a02040 e3a01d33 e5930018 7da4ded0 0000000b 00000020 c59abe74 c59abe68 # [ 75.802239] be60: c0c57024 c13c712c c59abe9c c59abe78 c0c57524 c0c57004 c0c57404 c5960280 # [ 75.812758] be80: b6e69000 0000000b c52c2180 c59abf60 c59abec4 c59abea0 c07e13f8 c0c57410 # [ 75.823362] bea0: 00000000 c5960280 b6e69000 c2815800 c59abf60 c07e1394 c59abf5c c59abec8 # [ 75.833881] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c59aa000 # [ 75.844484] bee0: b6e69000 00020000 00000004 0000000b 0001fff5 c59abee0 00000001 b6e68000 # [ 75.854915] bf00: c699a280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.865349] bf20: 00000000 00000000 c13dc4d0 7da4ded0 c206c120 c5960280 c5960280 c59aa000 # [ 75.876038] bf40: b6e69000 00000000 00000000 00000004 c59abf94 c59abf60 c059be08 c059b75c # [ 75.886471] bf60: 00000000 00000000 c59abfac 7da4ded0 0000000b 0000000b b6fb0e00 00000004 # [ 75.896987] bf80: c03002e4 c59aa000 c59abfa4 c59abf98 c059be98 c059bda0 00000000 c59abfa8 # [ 75.907505] bfa0: c03000c0 c059be8c 0000000b 0000000b 00000001 b6e69000 0000000b 00000000 # [ 75.918023] bfc0: 0000000b 0000000b b6fb0e00 00000004 00000001 00000000 00020000 befadac4 # [ 75.928455] bfe0: 00000004 befad7f8 b6f1ad8f b6ea17e6 800e0030 00000001 00000000 00000000 # [ 75.938967] Backtrace: # [ 75.943679] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 75.954628] r7:c59abf60 r6:0000000b r5:c6bce000 r4:c59aa000 # [ 75.962632] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.973489] r4:00000020 # [ 75.978108] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.988545] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.999145] r9:c59abf60 r8:c52c2180 r7:0000000b r6:b6e69000 r5:c5960280 r4:c0c57404 # [ 76.007503] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.015601] r9:c07e1394 r8:c59abf60 r7:c2815800 r6:b6e69000 r5:c5960280 r4:00000<6>[ 76.579196] lkdtm: Performing direct entry EXEC_KMALLOC 000 # [ 76.023615] [<6>[ 76.586545] lkdtm: attempting ok execution at c0c57d94 ] (vfs_write) from [] (<6>[ 76.594770] lkdtm: attempting bad execution at c6ae44c0 ksys_write+0x74/0xec) # [ 76.0<1>[ 76.603213] 8<--- cut here --- 31019] r10:0<010>0[0 0 0 47 6r.909217] Unable to handle kernel paging request at virtual address c6ae44c0 :00000000 r8:<01>0[0 0 0 07060. 618607] pgd = 7dd88986 7:b6e69000 r6:c59aa000 r5<:1c>5[9 76.623481] [c6ae44c0] *pgd=16a1141e(bad) 60280 # [ 76<.00>3[9 1 1 27]6 630186] Internal error: Oops: 8000000d [#5] SMP ARM r4:c5960280 # [ 76.041916] [<<4>[ 76.637664] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 c059bd94>] (ksys_wre[) f r6.669628] CPU: 2 PID: 1899 Comm: cat Tainted: G D W 5.10.201-cip41 #1 om [9[8 > ] 7(6s.y6s7_794] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) write+0x18/0x1c)< 4 >[# [ 7 6 688322] PC is at 0xc6ae44c0 76.049320] r9:c59aa000< 4r>8[ : 76.693724] LR is at execute_location+0xa4/0xb4 03002e4 r7:<040>0[0 0 0 0746 .r760847] pc : [] lr : [] psr: 600e0013 :b6fb0[0 r 57:60.0700090104] sp : c6cf7e30 ip : c6cf7d38 fp : c6cf7e4c 0b r4:0000<040>0[b #7 6[. 7 16242] r10: 0000000d r9 : c1ad5780 r8 : c15ebd4c 76.057334<]4 >[[< c 0 5796b.e7820548] r7 : c6cf7f60 r6 : 00000001 r5 : c6ae44c0 r4 : c0c57d94 >] (sys_wr<4i>t[e ) f7r6o.m7 3[071] r3 : f22a3ccf r2 : f22a3ccf r1 : ef7ab5e0 r0 : 0000002b ] (t[_ f a s7t6._740595] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none yscall+0x0/08[) #7 6[. 749899] Control: 10c5387d Table: 16ecc04a DAC: 00000051 76.065168<]0 >E[x c e p7t6i.o7n57813] Process cat (pid: 1899, stack limit = 0x7cc411a0) stack(0xc5<90a>b[f a 8 76t.o7 60640] Stack: (0xc6cf7e30 to 0xc6cf8000) xc59abff0) # [ < 0 >7[6 . 0 7706.771997] 7e20: c6ae44c0 c5965000 0000000d c6cf7f60 87] bfa0: < 0 > [ 7 6.782515] 7e40: c6cf7e64 c6cf7e50 c0c57de4 c13c6f18 00000021 c5965000 c6cf7e74 c6cf7e68 0000000b 000<000>0[0 b 07060793034] 7e60: c0c57024 c0c57db8 c6cf7e9c c6cf7e78 c0c57524 c0c57004 c0c57404 c46cbcc0 00001 b6e69000< 00>0[0 0 07060.b03465] 7e80: b6e52000 0000000d c52c2180 c6cf7f60 c6cf7ec4 c6cf7ea0 c07e13f8 c0c57410 00000000 # [ <706>.[0 7 8 973.813811] 7ea0: 00000000 c46cbcc0 b6e52000 c2815800 c6cf7f60 c07e1394 c6cf7f5c c6cf7ec8 2] bfc0: 000000<00b> [0 0 0 07060824329] 7ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6cf6000 0b b6fb0e00 00000<000>4[ 0 0 070.834760] 7ee0: b6e52000 00020000 00000004 0000000d 0001fff3 c6cf7ee0 00000001 b6e51000 0001 00000000 <000>0[ 2 0 07060. 45278] 7f00: c69cd180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 befadac4 # [ 7<60.>0[8 7 3 774.855625] 7f20: 00000000 00000000 c13dc4d0 f22a3ccf c206c120 c46cbcc0 c46cbcc0 c6cf6000 ] bfe0: 000000<004> [b e f a7d67.866142] 7f40: b6e52000 00000000 00000000 00000004 c6cf7f94 c6cf7f60 c059be08 c059b75c 8 b6f1ad8f b6ea<107>e[6 #7 6[876573] 7f60: 00000000 00000000 c6cf7fac f22a3ccf 0000000d 0000000d b6f99e00 00000004 76.092697] d[ e : 7c65.987005] 7f80: c03002e4 c6cf6000 c6cf7fa4 c6cf7f98 c059be98 c059bda0 00000000 c6cf7fa8 abe08 c13c7158 c1<30c>6[f 1 8 7c.897354] 7fa0: c03000c0 c059be8c 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 59abe6c (e1a0c0<00d>)[ #7 6[907872] 7fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bed98ac4 76.099062] ---<[0 >e[n d t7r.918304] 7fe0: 00000004 bed987f8 b6f03d8f b6e8a7e6 800e0030 00000001 00000000 00000000 ace 77811b8548b<60e>2[f 0 ]7-6-928816] Backtrace: - # EXEC_STACK: missing 'call [ 76.933535] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) race:': [FAIL] n [o k 376.944913] r7:c6cf7f60 r6:0000000d r5:c5965000 r4:c6ae44c0 selftests: lkdtm: EXEC<_0S>T[A C 76.952917] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) K.sh # exit<=01> [ # s7e6l.f9t3864] r5:c5965000 r4:00000021 ests: lkdtm: EXEC_KMAO[C . s76.969526] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) h <0>[ 76.980049] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.988478] r9:c6cf7f60 r8:c52c2180 r7:0000000d r6:b6e52000 r5:c46cbcc0 r4:c0c57404 <0>[ 76.996499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.004599] r9:c07e1394 r8:c6cf7f60 r7:c2815800 r6:b6e52000 r5:c46cbcc0 r4:00000000 <0>[ 77.012612] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.020016] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6cf6000 r5:c46cbcc0 <0>[ 77.028110] r4:c46cbcc0 <0>[ 77.030915] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.038319] r9:c6cf6000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000000d r4:0000000d <0>[ 77.046335] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.054171] Exception stack(0xc6cf7fa8 to 0xc6cf7ff0) <0>[ 77.059490] 7fa0: 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 <0>[ 77.067937] 7fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bed98ac4 <0>[ 77.076380] 7fe0: 00000004 bed987f8 b6f03d8f b6e8a7e6 <0>[ 77.081703] Code: 00160017 eff12c60 eff12ca0 eff12cc0 (e1a0c00d) <4>[ 77.088066] ---[ end trace 77811b8548b6e2f1 ]--- # Segmentation fault # [ 76.579196] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.586545] lkdtm: attempting ok execution at c0c57d94 # [ 76.594770] lkdtm: attempting bad execution at c6ae44c0 # [ 76.603213] 8<--- cut here --- # [ 76.609217] Unable to handle kernel paging request at virtual address c6ae44c0 # [ 76.618607] pgd = 7dd88986 # [ 76.623481] [c6ae44c0] *pgd=16a1141e(bad) # [ 76.630186] Internal error: Oops: 8000000d [#5] SMP ARM # [ 76.637664] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.669628] CPU: 2 PID: 1899 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 76.679794] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.688322] PC is at 0xc6ae44c0 # [ 76.693724] LR is at execute_location+0xa4/0xb4 # [ 76.700847] pc : [] lr : [] psr: 600e0013 # [ 76.709194] sp : c6cf7e30 ip : c6cf7d38 fp : c6cf7e4c # [ 76.716242] r10: 0000000d r9 : c1ad5780 r8 : c15ebd4c # [ 76.723548] r7 : c6cf7f60 r6 : 00000001 r5 : c6ae44c0 r4 : c0c57d94 # [ 76.732071] r3 : f22a3ccf r2 : f22a3ccf r1 : ef7ab5e0 r0 : 0000002b # [ 76.740595] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.749899] Control: 10c5387d Table: 16ecc04a DAC: 00000051 # [ 76.757813] Process cat (pid: 1899, stack limit = 0x7cc411a0) # [ 76.765640] Stack: (0xc6cf7e30 to 0xc6cf8000) # [ 76.771997] 7e20: c6ae44c0 c5965000 0000000d c6cf7f60 # [ 76.782515] 7e40: c6cf7e64 c6cf7e50 c0c57de4 c13c6f18 00000021 c5965000 c6cf7e74 c6cf7e68 # [ 76.793034] 7e60: c0c57024 c0c57db8 c6cf7e9c c6cf7e78 c0c57524 c0c57004 c0c57404 c46cbcc0 # [ 76.803465] 7e80: b6e52000 0000000d c52c2180 c6cf7f60 c6cf7ec4 c6cf7ea0 c07e13f8 c0c57410 # [ 76.813811] 7ea0: 00000000 c46cbcc0 b6e52000 c2815800 c6cf7f60 c07e1394 c6cf7f5c c6cf7ec8 # [ 76.824329] 7ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6cf6000 # [ 76.834760] 7ee0: b6e52000 00020000 00000004 0000000d 0001fff3 c6cf7ee0 00000001 b6e51000 # [ 76.845278] 7f00: c69cd180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.855625] 7f20: 00000000 00000000 c13dc4d0 f22a3ccf c206c120 c46cbcc0 c46cbcc0 c6cf6000 # [ 76.866142] 7f40: b6e52000 00000000 00000000 00000004 c6cf7f94 c6cf7f60 c059be08 c059b75c # [ 76.876573] 7f60: 00000000 00000000 c6cf7fac f22a3ccf 0000000d 0000000d b6f99e00 00000004 # [ 76.887005] 7f80: c03002e4 c6cf6000 c6cf7fa4 c6cf7f98 c059be98 c059bda0 00000000 c6cf7fa8 # [ 76.897354] 7fa0: c03000c0 c059be8c 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 # [ 76.907872] 7fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bed98ac4 # [ 76.918304] 7fe0: 00000004 bed987f8 b6f03d8f b6e8a7e6 800e0030 00000001 00000000 00000000 # [ 76.928816] Backtrace: # [ 76.933535] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 76.944913] r7:c6cf7f60 r6:0000000d r5:c5965000 r4:c6ae44c0 # [ 76.952917] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.963864] r5:c5965000 r4:00000021 # [ 76.969526] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.980049] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.988478] r9:c6cf7f60 r8:c52c2180 r7:0000000d r6:b6e52000 r5:c46cbcc0 r4:c0c57404 # [ 76.996499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.004599] r9:c07e1394 r8:c6cf7f60 r7:c2815800 r6:b6e52000 r5:c46cbcc0 r4:00000000 # [ 77.012612] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.020016] r10:00000004 r9:00000000 r8:000<6>[ 77.525758] lkdtm: Performing direct entry EXEC_VMALLOC 00000 r7:b6e52000 r6:c6cf6000 r5:<6>[ 77.532881] lkdtm: attempting ok execution at c0c57d94 c46cbcc0 # [ 77.028110] r4:c4<6>[ 77.541041] lkdtm: attempting bad execution at f0981000 6cbcc0 # [ 77.030915] [[ 77.549434] 8<--- cut here --- 94>] (ksys_write) from [[ 77.555768] Unable to handle kernel paging request at virtual address f0981000 >] (sys_write+0x18/0x1c) # [ 7<1>[ 77.566933] pgd = 57d9de71 7.038319] r9:c6cf6000 r8:c03002e<1>[ 77.572071] [f0981000] *pgd=1294b811, *pte=492e865f, *ppte=492e845f 4 r7:00000004 r6:b6f99e00 r5:0000<0>[ 77.581319] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 77.589623] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.618917] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 77.626926] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.633724] PC is at 0xf0981000 <4>[ 77.637141] LR is at execute_location+0xa4/0xb4 <4>[ 77.641939] pc : [] lr : [] psr: 600e0013 <4>[ 77.648471] sp : c6a49e30 ip : c6a49d38 fp : c6a49e4c <4>[ 77.653961] r10: 0000000d r9 : c1ad5790 r8 : c15ebd4c <4>[ 77.659452] r7 : c6a49f60 r6 : 00000001 r5 : f0981000 r4 : c0c57d94 <4>[ 77.666244] r3 : 5b2992b5 r2 : 5b2992b5 r1 : ef7815e0 r0 : 0000002b <4>[ 77.673039] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.680441] Control: 10c5387d Table: 16e7404a DAC: 00000051 <0>[ 77.686454] Process cat (pid: 1977, stack limit = 0x38e25941) <0>[ 77.692466] Stack: (0xc6a49e30 to 0xc6a4a000) <0>[ 77.697093] 9e20: f0981000 c6c93000 0000000d c6a49f60 <0>[ 77.705540] 9e40: c6a49e64 c6a49e50 c0c57e18 c13c6f18 00000022 c6c93000 c6a49e74 c6a49e68 <0>[ 77.713987] 9e60: c0c57024 c0c57dfc c6a49e9c c6a49e78 c0c57524 c0c57004 c0c57404 c69668c0 <0>[ 77.722433] 9e80: b6e4f000 0000000d c52c2180 c6a49f60 c6a49ec4 c6a49ea0 c07e13f8 c0c57410 <0>[ 77.730879] 9ea0: 00000000 c69668c0 b6e4f000 c2815800 c6a49f60 c07e1394 c6a49f5c c6a49ec8 <0>[ 77.739325] 9ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6a48000 <0>[ 77.747770] 9ee0: b6e4f000 00020000 00000004 0000000d 0001fff3 c6a49ee0 00000001 b6e4e000 <0>[ 77.756215] 9f00: c5f69400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.764661] 9f20: 00000000 00000000 c13dc4d0 5b2992b5 c206c120 c69668c0 c69668c0 c6a48000 <0>[ 77.773107] 9f40: b6e4f000 00000000 00000000 00000004 c6a49f94 c6a49f60 c059be08 c059b75c <0>[ 77.781555] 9f60: 00000000 00000000 c6a49fac 5b2992b5 0000000d 0000000d b6f96e00 00000004 <0>[ 77.790000] 9f80: c03002e4 c6a48000 c6a49fa4 c6a49f98 c059be98 c059bda0 00000000 c6a49fa8 <0>[ 77.798446] 9fa0: c03000c0 c059be8c 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 <0>[ 77.806893] 9fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 bef5eac4 <0>[ 77.815339] 9fe0: 00000004 bef5e7f8 b6f00d8f b6e877e6 800e0030 00000001 00000000 00000000 <0>[ 77.823778] Backtrace: <0>[ 77.826508] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 77.835216] r7:c6a49f60 r6:0000000d r5:c6c93000 r4:f0981000 <0>[ 77.841148] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.849764] r5:c6c93000 r4:00000022 <0>[ 77.853611] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.861890] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.870077] r9:c6a49f60 r8:c52c2180 r7:0000000d r6:b6e4f000 r5:c69668c0 r4:c0c57404 <0>[ 77.878097] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.886197] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6e4f000 r5:c69668c0 r4:00000000 <0>[ 77.894209] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.901613] r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c6a48000 r5:c69668c0 <0>[ 77.909706] r4:c69668c0 <0>[ 77.912511] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.919915] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000d r4:0000000d <0>[ 77.927930] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.935765] Exception stack(0xc6a49fa8 to 0xc6a49ff0) <0>[ 77.941085] 9fa0: 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 <0>[ 77.949532] 9fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 bef5eac4 <0>[ 77.957974] 9fe0: 00000004 bef5e7f8 b6f00d8f b6e877e6 <0>[ 77.963300] Code: bad PC value 000d r4:0000000d # [ 77.046335<4>[ 77.966694] ---[ end trace 77811b8548b6e2f2 ]--- ] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.054171] Exception stack(0xc6cf7fa8 to 0xc6cf7ff0) # [ 77.059490] 7fa0: 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 # [ 77.067937] 7fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bed98ac4 # [ 77.076380] 7fe0: 00000004 bed987f8 b6f03d8f b6e8a7e6 # [ 77.081703] Code: 00160017 eff12c60 eff12ca0 eff12cc0 (e1a0c00d) # [ 77.088066] ---[ end trace 77811b8548b6e2f1 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 77.525758] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.532881] lkdtm: attempting ok execution at c0c57d94 # [ 77.541041] lkdtm: attempting bad execution at f0981000 # [ 77.549434] 8<--- cut here --- # [ 77.555768] Unable to handle kernel paging request at virtual address f0981000 # [ 77.566933] pgd = 57d9de71 # [ 77.572071] [f0981000] *pgd=1294b811, *pte=492e865f, *ppte=492e845f # [ 77.581319] Internal error: Oops: 8000000f [#6] SMP ARM # [ 77.589623] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.618917] CPU: 0 PID: 1977 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 77.626926] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.633724] PC is at 0xf0981000 # [ 77.637141] LR is at execute_location+0xa4/0xb4 # [ 77.641939] pc : [] lr : [] psr: 600e0013 # [ 77.648471] sp : c6a49e30 ip : c6a49d38 fp : c6a49e4c # [ 77.653961] r10: 0000000d r9 : c1ad5790 r8 : c15ebd4c # [ 77.659452] r7 : c6a49f60 r6 : 00000001 r5 : f0981000 r4 : c0c57d94 # [ 77.666244] r3 : 5b2992b5 r2 : 5b2992b5 r1 : ef7815e0 r0 : 0000002b # [ 77.673039] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.680441] Control: 10c5387d Table: 16e7404a DAC: 00000051 # [ 77.686454] Process cat (pid: 1977, stack limit = 0x38e25941) # [ 77.692466] Stack: (0xc6a49e30 to 0xc6a4a000) # [ 77.697093] 9e20: f0981000 c6c93000 0000000d c6a49f60 # [ 77.705540] 9e40: c6a49e64 c6a49e50 c0c57e18 c13c6f18 00000022 c6c93000 c6a49e74 c6a49e68 # [ 77.713987] 9e60: c0c57024 c0c57dfc c6a49e9c c6a49e78 c0c57524 c0c57004 c0c57404 c69668c0 # [ 77.722433] 9e80: b6e4f000 0000000d c52c2180 c6a49f60 c6a49ec4 c6a49ea0 c07e13f8 c0c57410 # [ 77.730879] 9ea0: 00000000 c69668c0 b6e4f000 c2815800 c6a49f60 c07e1394 c6a49f5c c6a49ec8 # [ 77.739325] 9ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6a48000 # [ 77.747770] 9ee0: b6e4f000 00020000 00000004 0000000d 0001fff3 c6a49ee0 00000001 b6e4e000 # [ 77.756215] 9f00: c5f69400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.764661] 9f20: 00000000 00000000 c13dc4d0 5b2992b5 c206c120 c69668c0 c69668c0 c6a48000 # [ 77.773107] 9f40: b6e4f000 00000000 00000000 00000004 c6a49f94 c6a49f60 c059be08 c059b75c # [ 77.781555] 9f60: 00000000 00000000 c6a49fac 5b2992b5 0000000d 0000000d b6f96e00 00000004 # [ 77.790000] 9f80: c03002e4 c6a48000 c6a49fa4 c6a49f98 c059be98 c059bda0 00000000 c6a49fa8 # [ 77.798446] 9fa0: c03000c0 c059be8c 0000000d 0000000d 00000001 b6e4f000 0000000d 00000000 # [ 77.806893] 9fc0: 0000000d 0000000d b6f96e00 00000004 00000001 00000000 00020000 bef5eac4 # [ 77.815339] 9fe0: 00000004 bef5e7f8 b6f00d8f b6e877e6 800e0030 00000001 00000000 00000000 # [ 77.823778] Backtrace: # [ 77.826508] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 77.835216] r7:c6a49f60 r6:0000000d r5:c6c93000 r4:f0981000 # [ 77.841148] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.849764] r5:c6c93000 r4:00000022 # [ 77.853611] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.861890] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.870077] r9:c6a49f60 r8:c52c2180 r7:0000000d r6:b6e4f000 r5:c69668c0 r4:c0c57404 # [ 77.878097] [] (full_proxy_write) from [[ 78.428657] lkdtm: Performing direct entry EXEC_RODATA 5c>] (vfs_write+0x10c/0x53c) # [<6>[ 78.434551] lkdtm: attempting ok execution at c0c57d94 77.886197] r9:c07e1394 r8:c6a<6>[ 78.442801] lkdtm: attempting bad execution at c15ebfe8 49f60 r7:c281580<01 >r[6 : b 67e8.451126] 8<--- cut here --- f000 r5:c69<616>8[c 0 r748:.0406521] Unable to handle kernel paging request at virtual address c15ebfe8 000000 # <[1 > [ 7 7 .7889.44265826] pgd = 6d980e34 9] [] (vfs_write) [ 78.470616] [c15ebfe8] *pgd=1141941e(bad) m [] (ksyw[r i t e8.477493] Internal error: Oops: 8000000d [#7] SMP ARM +0x74/0xec) # [ 77.901613] r1<4>[ 78.485145] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0:00000004 r9:000000<040> [r 8 : 78.517111] CPU: 2 PID: 2055 Comm: cat Tainted: G D W 5.10.201-cip41 #1 0000000 r7<4:>b[6 e 4 f7080.05 2r363] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 6:c6a48000 r5:c69668c0< 4 >#[ [ 78.535894] PC is at lkdtm_rodata_do_nothing+0x0/0x10 77.909706] r4:c69<646>8[c 0 8.543547] LR is at execute_location+0xa4/0xb4 # [ 77.9125<141>][ [ < c7085.550501] pc : [] lr : [] psr: 600e0013 bd94>] (ks[_ w r i7t8e.)5 5f022] sp : c6b45e38 ip : 00000027 fp : c6b45e54 rom [e[9 8 > ]7 8(.5s6y6241] r10: 0000000c r9 : c1ad57a0 r8 : c15ebd4c _write+08[/ 0 x 17c8). 5 7#3461] r7 : c6b45f60 r6 : 00000000 r5 : c15ebfe8 r4 : c0c57d94 [ 77.91<949>1[5 ] 7r89.:5c86984] r3 : 94225a04 r2 : 94225a04 r1 : ef7ab5e4 r0 : 0000002b a48000 r8:c03<040>2[e 4 7r87.:590507] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000004 r6:b<64f>9[6 e 0 07 8r.5599810] Control: 10c5387d Table: 16e7004a DAC: 00000051 0000000d r4<:00>0[0 0 0 0708d. 6 7724] Process cat (pid: 2055, stack limit = 0x8d087628) # [ 77.9279<300>[] [ <7c80.5615552] Stack: (0xc6b45e38 to 0xc6b46000) be80>] (sys_wre[) f r7o8m.622078] 5e20: 00000023 c42a7000 [] (ref[a s t _7s8.632513] 5e40: 0000000c c6b45f60 c6b45e64 c6b45e58 c13c7198 c13c6f18 c6b45e74 c6b45e68 scall+0x0/0x28<)0 > [# [ 7 8 .643031] 5e60: c0c57024 c13c7180 c6b45e9c c6b45e78 c0c57524 c0c57004 c0c57404 c69048c0 7.935765] Exceptn[ s t a7c8.653464] 5e80: b6dbe000 0000000c c52c2180 c6b45f60 c6b45ec4 c6b45ea0 c07e13f8 c0c57410 (0xc6a49fa8 to 06[a 4 9 f7f8.663983] 5ea0: 00000000 c69048c0 b6dbe000 c2815800 c6b45f60 c07e1394 c6b45f5c c6b45ec8 ) # [ 77.941<008>5[] 9 f7a80674500] 5ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6b44000 : < 0 > [ 07080.684931] 5ee0: b6dbe000 00020000 00000004 0000000c 0001fff4 c6b45ee0 00000001 b6dbd000 000d 0000000d 0<000>0[0 0 0 17 8b695365] 5f00: c5c8c780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 6e4f000 0000000d <000>0[0 0 0 070.705798] 5f20: 00000000 00000000 c13dc4d0 94225a04 c206c120 c69048c0 c69048c0 c6b44000 # [ 77.949532<]0 >9[f c 0 :7 .716317] 5f40: b6dbe000 00000000 00000000 00000004 c6b45f94 c6b45f60 c059be08 c059b75c 0000000d 000000<00d> [b 6 f 9768e726834] 5f60: 00000000 00000000 c6b45fac 94225a04 0000000c 0000000c b6f05e00 00000004 00 00000004 000<000>0[0 1 07080737266] 5f80: c03002e4 c6b44000 c6b45fa4 c6b45f98 c059be98 c059bda0 00000000 c6b45fa8 00000 00020000 b5[e a c 47 8.747698] 5fa0: c03000c0 c059be8c 0000000c 0000000c 00000001 b6dbe000 0000000c 00000000 # [ 77.957974]< 09>f[e 0 : 708.758217] 5fc0: 0000000c 0000000c b6f05e00 00000004 00000001 00000000 00020000 bedffac4 000004 bef5e7f8< 0b>6[f 0 0 d788f768735] 5fe0: 00000004 bedff7f8 b6e6fd8f b6df67e6 800e0030 00000001 00000000 00000000 b6e877e6 # [ < 0 >7[7 . 9 67383779161] Backtrace: 00] Code: bad PC value #< 0[> [ 78.783873] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 77.966694] ---[< 0e>n[d t r7a8.794907] r7:c6b45f60 r6:0000000c r5:c42a7000 r4:00000023 e 77811b8548b6e2f2 ]---< 0 >#[ E 78.802913] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) XEC_VMALLOC: missin'[c a l l8.813775] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) trace:': [FAIL] not ok <303> [s 78.824210] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) elftests: lkdtm<:0 >E[X E C _7V8M834810] r9:c6b45f60 r8:c52c2180 r7:0000000c r6:b6dbe000 r5:c69048c0 r4:c0c57404 ALLOC.sh # exit=1 # selftes 78.844815] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) : lkdtm: EXEC_RODA<0T>A[. s h 7 .855412] r9:c07e1394 r8:c6b45f60 r7:c2815800 r6:b6dbe000 r5:c69048c0 r4:00000000 <0>[ 78.865497] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.872901] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c6b44000 r5:c69048c0 <0>[ 78.880995] r4:c69048c0 <0>[ 78.883800] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.891207] r9:c6b44000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:0000000c r4:0000000c <0>[ 78.899223] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.907059] Exception stack(0xc6b45fa8 to 0xc6b45ff0) <0>[ 78.912382] 5fa0: 0000000c 0000000c 00000001 b6dbe000 0000000c 00000000 <0>[ 78.920830] 5fc0: 0000000c 0000000c b6f05e00 00000004 00000001 00000000 00020000 bedffac4 <0>[ 78.929275] 5fe0: 00000004 bedff7f8 b6e6fd8f b6df67e6 <0>[ 78.934598] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 78.940964] ---[ end trace 77811b8548b6e2f3 ]--- # Segmentation fault # [ 78.428657] lkdtm: Performing direct entry EXEC_RODATA # [ 78.434551] lkdtm: attempting ok execution at c0c57d94 # [ 78.442801] lkdtm: attempting bad execution at c15ebfe8 # [ 78.451126] 8<--- cut here --- # [ 78.456521] Unable to handle kernel paging request at virtual address c15ebfe8 # [ 78.465826] pgd = 6d980e34 # [ 78.470616] [c15ebfe8] *pgd=1141941e(bad) # [ 78.477493] Internal error: Oops: 8000000d [#7] SMP ARM # [ 78.485145] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.517111] CPU: 2 PID: 2055 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 78.527363] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.535894] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.543547] LR is at execute_location+0xa4/0xb4 # [ 78.550501] pc : [] lr : [] psr: 600e0013 # [ 78.559022] sp : c6b45e38 ip : 00000027 fp : c6b45e54 # [ 78.566241] r10: 0000000c r9 : c1ad57a0 r8 : c15ebd4c # [ 78.573461] r7 : c6b45f60 r6 : 00000000 r5 : c15ebfe8 r4 : c0c57d94 # [ 78.581984] r3 : 94225a04 r2 : 94225a04 r1 : ef7ab5e4 r0 : 0000002b # [ 78.590507] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.599810] Control: 10c5387d Table: 16e7004a DAC: 00000051 # [ 78.607724] Process cat (pid: 2055, stack limit = 0x8d087628) # [ 78.615552] Stack: (0xc6b45e38 to 0xc6b46000) # [ 78.622078] 5e20: 00000023 c42a7000 # [ 78.632513] 5e40: 0000000c c6b45f60 c6b45e64 c6b45e58 c13c7198 c13c6f18 c6b45e74 c6b45e68 # [ 78.643031] 5e60: c0c57024 c13c7180 c6b45e9c c6b45e78 c0c57524 c0c57004 c0c57404 c69048c0 # [ 78.653464] 5e80: b6dbe000 0000000c c52c2180 c6b45f60 c6b45ec4 c6b45ea0 c07e13f8 c0c57410 # [ 78.663983] 5ea0: 00000000 c69048c0 b6dbe000 c2815800 c6b45f60 c07e1394 c6b45f5c c6b45ec8 # [ 78.674500] 5ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6b44000 # [ 78.684931] 5ee0: b6dbe000 00020000 00000004 0000000c 0001fff4 c6b45ee0 00000001 b6dbd000 # [ 78.695365] 5f00: c5c8c780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.705798] 5f20: 00000000 00000000 c13dc4d0 94225a04 c206c120 c69048c0 c69048c0 c6b44000 # [ 78.716317] 5f40: b6dbe000 00000000 00000000 00000004 c6b45f94 c6b45f60 c059be08 c059b75c # [ 78.726834] 5f60: 00000000 00000000 c6b45fac 94225a04 0000000c 0000000c b6f05e00 00000004 # [ 78.737266] 5f80: c03002e4 c6b44000 c6b45fa4 c6b45f98 c059be98 c059bda0 00000000 c6b45fa8 # [ 78.747698] 5fa0: c03000c0 c059be8c 0000000c 0000000c 00000001 b6dbe000 0000000c 00000000 # [ 78.758217] 5fc0: 0000000c 0000000c b6f05e00 00000004 00000001 00000000 00020000 bedffac4 # [ 78.768735] 5fe0: 00000004 bedff7f8 b6e6fd8f b6df67e6 800e0030 00000001 00000000 00000000 # [ 78.779161] Backtrace: # [ 78.783873] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 78.794907] r7:c6b45f60 r6:0000000c r5:c42a7000 r4:00000023 # [ 78.802913] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.813775] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.824210] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.834810] r9:c6b45f60 r8:c52c2180 r7:0000000c r6:b6dbe000 r5:c69048c0 r4:c0c57404 # [ 78.844815] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.855412] r9:c07e1394 r8:c6b45f60 r7:c2815800 r6:b6dbe000 r5:c69048c0 r4:00000000 # [ 78.865497] [] (vfs_write) from [] (ksys<6>[ 79.398493] lkdtm: Performing direct entry EXEC_USERSPACE _write+0x74/0xec) # [ 78.87290<6>[ 79.406643] lkdtm: attempting ok execution at c0c57d94 1] r10:00000004 r9:00000000 r8:0<6>[ 79.415172] lkdtm: attempting bad execution at b6fc7000 0000000 r7:b6dbe000 r6:c6b44000 r<1>[ 79.423236] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fc7000 5:c69048c0 # [ <708>.[ 8 8 079.433403] Internal error: : b [#8] SMP ARM 95] r4:c69048c0 # [ 78.883800<4>[ 79.440014] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] [] (ksyw[r i t e9.471976] CPU: 1 PID: 2132 Comm: cat Tainted: G D W 5.10.201-cip41 #1 ) from [<<4c>0[5 9 b e7998.>4]8 2141] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) sys_write+0x18/0x<14c>)[ # 7[.490669] PC is at 0xb6fc7000 78.891207] r9:c6b<444>0[0 0 79.496156] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 r8:c03002e4< 4r>7[: 0 0 07090.0503542] pc : [] lr : [] psr: 600e0013 4 r6:b6f05e00< 4r>5[: 0 0 07090.011891] sp : c6963e48 ip : c6963d50 fp : c6963e64 0c r4:00000<40>0[c #7 9[. 5 19283] r10: 0000000f r9 : c1ad57ac r8 : c15ebd4c 78.899223] [<<4c>0[5 9 b e7890.5>6590] r7 : c6963f60 r6 : 0000000f r5 : c6b8b000 r4 : b6fc7000 ] (sys<_4w>r[i t e )7 9f.r5o3m5 196] r3 : 7d920bf2 r2 : 7d920bf2 r1 : ef7965e0 r0 : 0000002b ] (r_[f a s t7_9s.543636] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none scall+0x0/<04x>2[8 ) 7#9 .[5 53023] Control: 10c5387d Table: 15fa404a DAC: 00000051 78.907059] Excepo[n s t7a.560853] Process cat (pid: 2132, stack limit = 0x6617f9c8) ck(0xc6b4<50f>a[8 t o7 90.x5c66938] Stack: (0xc6963e48 to 0xc6964000) b45ff0) # [ 78<.09>1[2 3 8 27].575296] 3e40: 00000001 00000000 0000000f 00000024 c6963e74 c6963e68 5fa0: < 0 > [ 79 .585813] 3e60: c0c57024 c0c57e30 c6963e9c c6963e78 c0c57524 c0c57004 c0c57404 c69672c0 0000000c 00000000[0 0 0 070.596245] 3e80: b6e81000 0000000f c52c2180 c6963f60 c6963ec4 c6963ea0 c07e13f8 c0c57410 01 b6dbe000 000<000>0[0 c 07090606761] 3ea0: 00000000 c69672c0 b6e81000 c2815800 c6963f60 c07e1394 c6963f5c c6963ec8 00000 # [ 78.<902>0[8 3 0 ]7 9.617195] 3ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6962000 fc0: 0000000c 00<000>0[0 0 c 7b9.627711] 3ee0: b6e81000 00020000 00000004 0000000f 0001fff1 c6963ee0 00000001 b6e80000 f05e00 0000000<40 >0[0 0 0 07090.638227] 3f00: c46cadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000200<000> [b e d f7f9.648660] 3f20: 00000000 00000000 c13dc4d0 7d920bf2 c206c120 c69672c0 c69672c0 c6962000 c4 # [ 78.9292<705>][ 5 f e70.659177] 3f40: b6e81000 00000000 00000000 00000004 c6963f94 c6963f60 c059be08 c059b75c : 00000004 bedff7f<80 >b[6 e 6 f79.669697] 3f60: 00000000 00000000 c6963fac 7d920bf2 0000000f 0000000f b6fc8e00 00000004 8f b6df67e6 # [ < 0 >7[8 . 9 374.680299] 3f80: c03002e4 c6962000 c6963fa4 c6963f98 c059be98 c059bda0 00000000 c6963fa8 598] Code: 5f72<705>6[3 6 e7795690817] 3fa0: c03000c0 c059be8c 0000000f 0000000f 00000001 b6e81000 0000000f 00000000 6f63 00000074 a5[a a 5 57 9(701248] 3fc0: 0000000f 0000000f b6fc8e00 00000004 00000001 00000000 00020000 bed88ac4 e1a0c00d) # [ < 0 >7[8 . 9 4709.711680] 3fe0: 00000004 bed887f8 b6f32d8f b6eb97e6 800e0030 00000001 00000000 00000000 64] ---[ end tre[ 7 7 87191722192] Backtrace: b8548b6e2f3 ]--- # EXEC_RA[ 79.726904] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) A: missing< 0'>c[a l l 7t9r.a7c38195] r4:00000024 :': [FAIL] not ok 3<40 >s[e l f 79.742818] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ests: lkdtm: EXEC_RODATA.sh< 0#> 79.753340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) exit=1 # selftes[: l k7d9.764024] r9:c6963f60 r8:c52c2180 r7:0000000f r6:b6e81000 r5:c69672c0 r4:c0c57404 m: EXEC_USERSPACE.sh <0>[ 79.774117] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.784105] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6e81000 r5:c69672c0 r4:00000000 <0>[ 79.792119] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.799523] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c6962000 r5:c69672c0 <0>[ 79.807617] r4:c69672c0 <0>[ 79.810422] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.817826] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:0000000f r4:0000000f <0>[ 79.825841] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.833676] Exception stack(0xc6963fa8 to 0xc6963ff0) <0>[ 79.838995] 3fa0: 0000000f 0000000f 00000001 b6e81000 0000000f 00000000 <0>[ 79.847440] 3fc0: 0000000f 0000000f b6fc8e00 00000004 00000001 00000000 00020000 bed88ac4 <0>[ 79.855882] 3fe0: 00000004 bed887f8 b6f32d8f b6eb97e6 <0>[ 79.861206] Code: bad PC value <4>[ 79.864532] ---[ end trace 77811b8548b6e2f4 ]--- # Segmentation fault # [ 79.398493] lkdtm: Performing direct entry EXEC_USERSPACE # [ 79.406643] lkdtm: attempting ok execution at c0c57d94 # [ 79.415172] lkdtm: attempting bad execution at b6fc7000 # [ 79.423236] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fc7000 # [ 79.433403] Internal error: : b [#8] SMP ARM # [ 79.440014] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.471976] CPU: 1 PID: 2132 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 79.482141] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.490669] PC is at 0xb6fc7000 # [ 79.496156] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 79.503542] pc : [] lr : [] psr: 600e0013 # [ 79.511891] sp : c6963e48 ip : c6963d50 fp : c6963e64 # [ 79.519283] r10: 0000000f r9 : c1ad57ac r8 : c15ebd4c # [ 79.526590] r7 : c6963f60 r6 : 0000000f r5 : c6b8b000 r4 : b6fc7000 # [ 79.535196] r3 : 7d920bf2 r2 : 7d920bf2 r1 : ef7965e0 r0 : 0000002b # [ 79.543636] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.553023] Control: 10c5387d Table: 15fa404a DAC: 00000051 # [ 79.560853] Process cat (pid: 2132, stack limit = 0x6617f9c8) # [ 79.568938] Stack: (0xc6963e48 to 0xc6964000) # [ 79.575296] 3e40: 00000001 00000000 0000000f 00000024 c6963e74 c6963e68 # [ 79.585813] 3e60: c0c57024 c0c57e30 c6963e9c c6963e78 c0c57524 c0c57004 c0c57404 c69672c0 # [ 79.596245] 3e80: b6e81000 0000000f c52c2180 c6963f60 c6963ec4 c6963ea0 c07e13f8 c0c57410 # [ 79.606761] 3ea0: 00000000 c69672c0 b6e81000 c2815800 c6963f60 c07e1394 c6963f5c c6963ec8 # [ 79.617195] 3ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6962000 # [ 79.627711] 3ee0: b6e81000 00020000 00000004 0000000f 0001fff1 c6963ee0 00000001 b6e80000 # [ 79.638227] 3f00: c46cadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.648660] 3f20: 00000000 00000000 c13dc4d0 7d920bf2 c206c120 c69672c0 c69672c0 c6962000 # [ 79.659177] 3f40: b6e81000 00000000 00000000 00000004 c6963f94 c6963f60 c059be08 c059b75c # [ 79.669697] 3f60: 00000000 00000000 c6963fac 7d920bf2 0000000f 0000000f b6fc8e00 00000004 # [ 79.680299] 3f80: c03002e4 c6962000 c6963fa4 c6963f98 c059be98 c059bda0 00000000 c6963fa8 # [ 79.690817] 3fa0: c03000c0 c059be8c 0000000f 0000000f 00000001 b6e81000 0000000f 00000000 # [ 79.701248] 3fc0: 0000000f 0000000f b6fc8e00 00000004 00000001 00000000 00020000 bed88ac4 # [ 79.711680] 3fe0: 00000004 bed887f8 b6f32d8f b6eb97e6 800e0030 00000001 00000000 00000000 # [ 79.722192] Backtrace: # [ 79.726904] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.738195] r4:00000024 # [ 79.742818] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.753340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.764024] r9:c6963f60 r8:c52c2180 r7:0000000f r6:b6e81000 r5:c69672c0 r4:c0c57404 # [ 79.774117] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.784105] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6e81000 r5:c69672c0 r4:00000000 # [ 79.792119] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.799523] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c6962000 r5:c69672c0 # [ 79.807617] r4:c69672c0 # [ 79.810422] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.817826] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:0000000f r4:0000000f # [ 79.825841] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.833676] Exception stack(0xc6963fa8 to 0xc6963ff0) # [ 79.838995] 3fa0: 0000000f 0000000f 00000001 b6e81000 0000000f 00000000 # [ 79.847440] 3fc0: 0000000f 0000000f b6fc8e00 00000004 00000001 00000000 00020000 bed88ac4 # [ 79.855882] 3fe0: 00000004 bed887f8 b6f32d8f b6eb97e6 # [ 79.861206] Code: bad PC valu<6>[ 80.321522] lkdtm: Performing direct entry EXEC_NULL e # [ 79.864532] ---[ end trac<6>[ 80.329194] lkdtm: attempting ok execution at c0c57d94 e 77811b8548b6e2f4 ]--- # EXEC_U<6>[ 80.337401] lkdtm: attempting bad execution at 00000000 SERSPACE: missing 'call trace:': <1>[ 80.345805] 8<--- cut here --- [FAIL] not ok 35 selftests: lkdt<1>[ 80.351875] Unable to handle kernel NULL pointer dereference at virtual address 00000000 m: EXEC_USERSPACE.sh # exit=1 # <1>[ 80.363115] pgd = 988745e5 selftests: lkdtm: EXEC_NULL.sh <1>[ 80.368902] [00000000] *pgd=00000000 <0>[ 80.375587] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 80.381087] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 80.410367] CPU: 2 PID: 2204 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 80.418376] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.425176] PC is at 0x0 <4>[ 80.427986] LR is at execute_location+0xa4/0xb4 <4>[ 80.432783] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 80.439316] sp : c5a03e38 ip : c5a03d40 fp : c5a03e54 <4>[ 80.444807] r10: 0000000a r9 : c1ad57bc r8 : c15ebd4c <4>[ 80.450298] r7 : c5a03f60 r6 : 00000000 r5 : 00000000 r4 : c0c57d94 <4>[ 80.457090] r3 : fe237c74 r2 : fe237c74 r1 : ef7ab5e0 r0 : 0000002b <4>[ 80.463884] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.471286] Control: 10c5387d Table: 1474404a DAC: 00000051 <0>[ 80.477301] Process cat (pid: 2204, stack limit = 0x9cc7484a) <0>[ 80.483314] Stack: (0xc5a03e38 to 0xc5a04000) <0>[ 80.487940] 3e20: 00000025 c42a7000 <0>[ 80.496387] 3e40: 0000000a c5a03f60 c5a03e64 c5a03e58 c13c71bc c13c6f18 c5a03e74 c5a03e68 <0>[ 80.504833] 3e60: c0c57024 c13c71a8 c5a03e9c c5a03e78 c0c57524 c0c57004 c0c57404 c6904c80 <0>[ 80.513280] 3e80: b6e55000 0000000a c52c2180 c5a03f60 c5a03ec4 c5a03ea0 c07e13f8 c0c57410 <0>[ 80.521726] 3ea0: 00000000 c6904c80 b6e55000 c2815800 c5a03f60 c07e1394 c5a03f5c c5a03ec8 <0>[ 80.530172] 3ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c5a02000 <0>[ 80.538619] 3ee0: b6e55000 00020000 00000004 0000000a 0001fff6 c5a03ee0 00000001 b6e54000 <0>[ 80.547064] 3f00: c5f68f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.555512] 3f20: 00000000 00000000 c13dc4d0 fe237c74 c206c120 c6904c80 c6904c80 c5a02000 <0>[ 80.563959] 3f40: b6e55000 00000000 00000000 00000004 c5a03f94 c5a03f60 c059be08 c059b75c <0>[ 80.572405] 3f60: 00000000 00000000 c5a03fac fe237c74 0000000a 0000000a b6f9ce00 00000004 <0>[ 80.580850] 3f80: c03002e4 c5a02000 c5a03fa4 c5a03f98 c059be98 c059bda0 00000000 c5a03fa8 <0>[ 80.589295] 3fa0: c03000c0 c059be8c 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 <0>[ 80.597742] 3fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 bedefac4 <0>[ 80.606188] 3fe0: 00000004 bedef7f8 b6f06d8f b6e8d7e6 800e0030 00000001 00000000 00000000 <0>[ 80.614628] Backtrace: <0>[ 80.617355] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 80.625801] r7:c5a03f60 r6:0000000a r5:c42a7000 r4:00000025 <0>[ 80.631734] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.640096] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.648375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.656563] r9:c5a03f60 r8:c52c2180 r7:0000000a r6:b6e55000 r5:c6904c80 r4:c0c57404 <0>[ 80.664582] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.672682] r9:c07e1394 r8:c5a03f60 r7:c2815800 r6:b6e55000 r5:c6904c80 r4:00000000 <0>[ 80.680697] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.688100] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c5a02000 r5:c6904c80 <0>[ 80.696197] r4:c6904c80 <0>[ 80.699001] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.706407] r9:c5a02000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000000a r4:0000000a <0>[ 80.714422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.722257] Exception stack(0xc5a03fa8 to 0xc5a03ff0) <0>[ 80.727577] 3fa0: 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 <0>[ 80.736023] 3fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 bedefac4 <0>[ 80.744467] 3fe0: 00000004 bedef7f8 b6f06d8f b6e8d7e6 <0>[ 80.749792] Code: bad PC value <4>[ 80.753179] ---[ end trace 77811b8548b6e2f5 ]--- # Segmentation fault # [ 80.321522] lkdtm: Performing direct entry EXEC_NULL # [ 80.329194] lkdtm: attempting ok execution at c0c57d94 # [ 80.337401] lkdtm: attempting bad execution at 00000000 # [ 80.345805] 8<--- cut here --- # [ 80.351875] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 80.363115] pgd = 988745e5 # [ 80.368902] [00000000] *pgd=00000000 # [ 80.375587] Internal error: Oops: 80000005 [#9] SMP ARM # [ 80.381087] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.410367] CPU: 2 PID: 2204 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 80.418376] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.425176] PC is at 0x0 # [ 80.427986] LR is at execute_location+0xa4/0xb4 # [ 80.432783] pc : [<00000000>] lr : [] psr: 600e0013 # [ 80.439316] sp : c5a03e38 ip : c5a03d40 fp : c5a03e54 # [ 80.444807] r10: 0000000a r9 : c1ad57bc r8 : c15ebd4c # [ 80.450298] r7 : c5a03f60 r6 : 00000000 r5 : 00000000 r4 : c0c57d94 # [ 80.457090] r3 : fe237c74 r2 : fe237c74 r1 : ef7ab5e0 r0 : 0000002b # [ 80.463884] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.471286] Control: 10c5387d Table: 1474404a DAC: 00000051 # [ 80.477301] Process cat (pid: 2204, stack limit = 0x9cc7484a) # [ 80.483314] Stack: (0xc5a03e38 to 0xc5a04000) # [ 80.487940] 3e20: 00000025 c42a7000 # [ 80.496387] 3e40: 0000000a c5a03f60 c5a03e64 c5a03e58 c13c71bc c13c6f18 c5a03e74 c5a03e68 # [ 80.504833] 3e60: c0c57024 c13c71a8 c5a03e9c c5a03e78 c0c57524 c0c57004 c0c57404 c6904c80 # [ 80.513280] 3e80: b6e55000 0000000a c52c2180 c5a03f60 c5a03ec4 c5a03ea0 c07e13f8 c0c57410 # [ 80.521726] 3ea0: 00000000 c6904c80 b6e55000 c2815800 c5a03f60 c07e1394 c5a03f5c c5a03ec8 # [ 80.530172] 3ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c5a02000 # [ 80.538619] 3ee0: b6e55000 00020000 00000004 0000000a 0001fff6 c5a03ee0 00000001 b6e54000 # [ 80.547064] 3f00: c5f68f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.555512] 3f20: 00000000 00000000 c13dc4d0 fe237c74 c206c120 c6904c80 c6904c80 c5a02000 # [ 80.563959] 3f40: b6e55000 00000000 00000000 00000004 c5a03f94 c5a03f60 c059be08 c059b75c # [ 80.572405] 3f60: 00000000 00000000 c5a03fac fe237c74 0000000a 0000000a b6f9ce00 00000004 # [ 80.580850] 3f80: c03002e4 c5a02000 c5a03fa4 c5a03f98 c059be98 c059bda0 00000000 c5a03fa8 # [ 80.589295] 3fa0: c03000c0 c059be8c 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 # [ 80.597742] 3fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 bedefac4 # [ 80.606188] 3fe0: 00000004 bedef7f8 b6f06d8f b6e8d7e6 800e0030 00000001 00000000 00000000 # [ 80.614628] Backtrace: # [ 80.617355] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 80.625801] r7:c5a03f60 r6:0000000a r5:c42a7000 r4:00000025 # [ 80.631734] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.640096] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.648375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.656563] r9:c5a03f60 r8:c52c2180 r7:0000000a r6:b6e55000 r5:c6904c80 r4:c0c57404 # [ 80.664582] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.672682] r9:c07e1394 r8:c5a03f60 r7:c2815800 r6:b6e55000 r5:c6904c80 r4:00000000 # [ 80.680697] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.688100] r10:000000<6>[ 81.227638] lkdtm: Performing direct entry ACCESS_USERSPACE 04 r9:00000000 r8:00000000 r7:b6e<6>[ 81.234173] lkdtm: attempting bad read at b6efe000 55000 r6:c5a02000 r5:c6904c80 # <1>[ 81.241815] 8<--- cut here --- [ 80.69619<71]> [ r 4 :8c16.9247974] Unhandled fault: page domain fault (0x01b) at 0xb6efe000 4c80 # [ 80.<619>9[0 0 18]1 .256500] pgd = d4e01f28 ] (ksys_wri)[ f r81.261461] [b6efe000] *pgd=494f2831 om [] (sys_i[t e +81.267560] Internal error: : 1b [#10] SMP ARM 0x18/0x1c) # [ 80.706407] r9:<4>[ 81.274516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 c5a02000 r8:c03002e4 r7:00000004 <4>[ 81.306498] CPU: 1 PID: 2281 Comm: cat Tainted: G D W 5.10.201-cip41 #1 r6:b6f9ce00 r5:000000<04a> [r 4 :81.317359] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000a # [ 80.714422] [[ 81.326427] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c be80>] (sys_write) from [<<4c>0[3 81.334771] LR is at 0x0 000c0>] (ret_fast_sysca+[0 x 81.339997] pc : [] lr : [<00000000>] psr: 600e0013 0/0x28) # [ <48>0[. 7 2 28215.348869] sp : c6dabe38 ip : 00000027 fp : c6dabe64 ] Exception stack(05[a 0 381.356360] r10: 00000011 r9 : c1ad57c8 r8 : c15ebd4c a8 to 0xc5a03ff0) #< 4[> [ 8 81.364019] r7 : c6dabf60 r6 : 00000051 r5 : c6daa000 r4 : b6efe000 .727577] 3fa0: < 4 > [ 81.373069] r3 : 49b95680 r2 : 49b95680 r1 : ef7965e4 r0 : 00000026 0000000a 0000000a 000<040>0 81.382124] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 01 b6e55000 0000000a 000<040>0[0 81.392038] Control: 10c5387d Table: 16ef004a DAC: 00000051 # [ 80.736023] 3fc0: <000>0[0 81.400479] Process cat (pid: 2281, stack limit = 0xc4c8956f) 000a 0000000a b6f9ce0<00 >0[0 0 081.408920] Stack: (0xc6dabe38 to 0xc6dac000) 0004 00000001 00000000 0002<000>0 81.415804] be20: 00000022 00000000 0 bedefac4 # [ 80.744467] 3fe0<0>[ 81.426768] be40: 00000000 49b95680 c6dabe6c 00000026 c6bef000 00000011 c6dabe74 c6dabe68 : 00000004 bedef7f8 b6f06d8f b6e80>[ 81.438073] be60: c0c57024 c0c57f04 c6dabe9c c6dabe78 c0c57524 c0c57004 c0c57404 c5960dc0 d7e6 # [ 80.749792] Code: bad 0>[ 81.449294] be80: b6db8000 00000011 c52c2180 c6dabf60 c6dabec4 c6dabea0 c07e13f8 c0c57410 PC value # [ 80.753179] ---<[0>[ 81.460512] bea0: 00000000 c5960dc0 b6db8000 c2815800 c6dabf60 c07e1394 c6dabf5c c6dabec8 end trace 77811b8548b6e2f5 ]--- <0>[ 81.471647] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6daa000 # EXEC_NULL: missing 'call trace:0>[ 81.482865] bee0: b6db8000 00020000 00000004 00000011 0001ffef c6dabee0 00000001 b6db7000 ': [FAIL] not ok 36 selftests<:0>[ 81.494084] bf00: c5d74f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 lkdtm: EXEC_NULL.sh # exit=1 # s0>[ 81.505219] bf20: 00000000 00000000 c13dc4d0 49b95680 c206c120 c5960dc0 c5960dc0 c6daa000 elftests: lkdtm: ACCESS_USERSPACE0>[ 81.516439] bf40: b6db8000 00000000 00000000 00000004 c6dabf94 c6dabf60 c059be08 c059b75c .sh <0>[ 81.527657] bf60: 00000000 00000000 c6dabfac 49b95680 00000011 00000011 b6effe00 00000004 <0>[ 81.536532] bf80: c03002e4 c6daa000 c6dabfa4 c6dabf98 c059be98 c059bda0 00000000 c6dabfa8 <0>[ 81.545001] bfa0: c03000c0 c059be8c 00000011 00000011 00000001 b6db8000 00000011 00000000 <0>[ 81.553470] bfc0: 00000011 00000011 b6effe00 00000004 00000001 00000000 00020000 bed80ac4 <0>[ 81.561938] bfe0: 00000004 bed807f8 b6e69d8f b6df07e6 800e0030 00000001 00000000 00000000 <0>[ 81.570394] Backtrace: <0>[ 81.573157] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.582146] r6:00000011 r5:c6bef000 r4:00000026 <0>[ 81.587060] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.595370] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.603581] r9:c6dabf60 r8:c52c2180 r7:00000011 r6:b6db8000 r5:c5960dc0 r4:c0c57404 <0>[ 81.611630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 81.619752] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6db8000 r5:c5960dc0 r4:00000000 <0>[ 81.627792] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.635220] r10:00000004 r9:00000000 r8:00000000 r7:b6db8000 r6:c6daa000 r5:c5960dc0 <0>[ 81.643330] r4:c5960dc0 <0>[ 81.646160] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.653589] r9:c6daa000 r8:c03002e4 r7:00000004 r6:b6effe00 r5:00000011 r4:00000011 <0>[ 81.661630] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.669482] Exception stack(0xc6dabfa8 to 0xc6dabff0) <0>[ 81.674825] bfa0: 00000011 00000011 00000001 b6db8000 00000011 00000000 <0>[ 81.683294] bfc0: 00000011 00000011 b6effe00 00000004 00000001 00000000 00020000 bed80ac4 <0>[ 81.691756] bfe0: 00000004 bed807f8 b6e69d8f b6df07e6 <0>[ 81.697101] Code: e1a01004 e30606ec e34c01ad eb1d903e (e5943000) <4>[ 81.703490] ---[ end trace 77811b8548b6e2f6 ]--- # Segmentation fault # [ 81.227638] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 81.234173] lkdtm: attempting bad read at b6efe000 # [ 81.241815] 8<--- cut here --- # [ 81.247974] Unhandled fault: page domain fault (0x01b) at 0xb6efe000 # [ 81.256500] pgd = d4e01f28 # [ 81.261461] [b6efe000] *pgd=494f2831 # [ 81.267560] Internal error: : 1b [#10] SMP ARM # [ 81.274516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.306498] CPU: 1 PID: 2281 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 81.317359] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.326427] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 81.334771] LR is at 0x0 # [ 81.339997] pc : [] lr : [<00000000>] psr: 600e0013 # [ 81.348869] sp : c6dabe38 ip : 00000027 fp : c6dabe64 # [ 81.356360] r10: 00000011 r9 : c1ad57c8 r8 : c15ebd4c # [ 81.364019] r7 : c6dabf60 r6 : 00000051 r5 : c6daa000 r4 : b6efe000 # [ 81.373069] r3 : 49b95680 r2 : 49b95680 r1 : ef7965e4 r0 : 00000026 # [ 81.382124] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.392038] Control: 10c5387d Table: 16ef004a DAC: 00000051 # [ 81.400479] Process cat (pid: 2281, stack limit = 0xc4c8956f) # [ 81.408920] Stack: (0xc6dabe38 to 0xc6dac000) # [ 81.415804] be20: 00000022 00000000 # [ 81.426768] be40: 00000000 49b95680 c6dabe6c 00000026 c6bef000 00000011 c6dabe74 c6dabe68 # [ 81.438073] be60: c0c57024 c0c57f04 c6dabe9c c6dabe78 c0c57524 c0c57004 c0c57404 c5960dc0 # [ 81.449294] be80: b6db8000 00000011 c52c2180 c6dabf60 c6dabec4 c6dabea0 c07e13f8 c0c57410 # [ 81.460512] bea0: 00000000 c5960dc0 b6db8000 c2815800 c6dabf60 c07e1394 c6dabf5c c6dabec8 # [ 81.471647] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6daa000 # [ 81.482865] bee0: b6db8000 00020000 00000004 00000011 0001ffef c6dabee0 00000001 b6db7000 # [ 81.494084] bf00: c5d74f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.505219] bf20: 00000000 00000000 c13dc4d0 49b95680 c206c120 c5960dc0 c5960dc0 c6daa000 # [ 81.516439] bf40: b6db8000 00000000 00000000 00000004 c6dabf94 c6dabf60 c059be08 c059b75c # [ 81.527657] bf60: 00000000 00000000 c6dabfac 49b95680 00000011 00000011 b6effe00 00000004 # [ 81.536532] bf80: c03002e4 c6daa000 c6dabfa4 c6dabf98 c059be98 c059bda0 00000000 c6dabfa8 # [ 81.545001] bfa0: c03000c0 c059be8c 00000011 00000011 00000001 b6db8000 00000011 00000000 # [ 81.553470] bfc0: 00000011 00000011 b6effe00 00000004 00000001 00000000 00020000 bed80ac4 # [ 81.561938] bfe0: 00000004 bed807f8 b6e69d8f b6df07e6 800e0030 00000001 00000000 00000000 # [ 81.570394] Backtrace: # [ 81.573157] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.582146] r6:00000011 r5:c6bef000 r4:00000026 # [ 81.587060] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.595370] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.603581] r9:c6dabf60 r8:c52c2180 r7:00000011 r6:b6db8000 r5:c5960dc0 r4:c0c57404 # [ 81.611630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.619752] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6db8000 r5:c5960dc0 r4:00000000 # [ 81.627792] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.635220] r10:00000004 r9:00000000 r8:00000000 r7:b6db8000 r6<6>[ 82.160957] lkdtm: Performing direct entry ACCESS_NULL :c6daa000 r5:c5960dc0 # [ 81.6<6>[ 82.167064] lkdtm: attempting bad read at 00000000 43330] r4:c5960dc0 # [ 81.646<1>[ 82.174889] 8<--- cut here --- 160] [] (ksys_write) fr<1>[ 82.181013] Unable to handle kernel NULL pointer dereference at virtual address 00000000 om [] (sys_write+0x18/0<1>[ 82.192388] pgd = bb5d67ad x1c) # [ 81.653589] r9:c6daa0<1>[ 82.198052] [00000000] *pgd=00000000 00 r8:c03002e4 r7:00000004 r6:b6e<0>[ 82.204794] Internal error: Oops: 5 [#11] SMP ARM ffe00 r5:00000011 r4:00000011 # <4>[ 82.212571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 81.661630] [b[e 8 0 >2.244534] CPU: 1 PID: 2357 Comm: cat Tainted: G D W 5.10.201-cip41 #1 ] (sys_writ [f r o m8 2[.<2c4701] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 03000c0>] (ret_fast_syscall+<04x>[ 82.263322] PC is at lkdtm_ACCESS_NULL+0x28/0x68 /0x28) # [ 81.669482] Exp 82.270802] LR is at __irq_work_queue_local+0x40/0x74 tion stack(0xd[ a b f8a28. 278620] pc : [] lr : [] psr: 600e0013 o 0xc6dabf)[ # 8[2 . 2 87054] sp : c475be50 ip : c475bd58 fp : c475be64 1.674825] b0[: 8 2 . 2 4360] r10: 0000000c r9 : c1ad57dc r8 : c15ebd4c 0<040>0[0 0 1 18 20.001666] r7 : c475bf60 r6 : 0000000c r5 : c6bc6000 r4 : 00000000 000011 0000<040>0[1 b 68d2b.8300360] r3 : dc24ab8c r2 : dc24ab8c r1 : ef7965e0 r0 : 00000026 00 00000011< 40>0[0 0 0 08020. 3 8970] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.683<249>4[] b f8c20.:328187] Control: 10c5387d Table: 16b4004a DAC: 00000051 00000011 000000<101> [b 6 e8f2f.336103] Process cat (pid: 2357, stack limit = 0xcdcf5856) 00 00000004 00<000>0[0 0 1 8020.344102] Stack: (0xc475be50 to 0xc475c000) 00000 00020000 be0[a c 4 8 .350717] be40: 00000027 c6bc6000 c475be74 c475be68 # [ 81.691756] b0[: 0 082.361237] be60: c0c57024 c13c71cc c475be9c c475be78 c0c57524 c0c57004 c0c57404 c5960640 00004 bed807f8 6[e 6 9 d882f.371839] be80: b6dee000 0000000c c52c2180 c475bf60 c475bec4 c475bea0 c07e13f8 c0c57410 b6df07e6 # [ 8<10.>6[9 7 1 082.382272] bea0: 00000000 c5960640 b6dee000 c2815800 c475bf60 c07e1394 c475bf5c c475bec8 ] Code: e1a01004 0[6 0 6 e8c.392791] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c44a85e4 c059be08 c475a000 e34c01ad eb1d903([e 5 9 483.403308] bee0: b6dee000 00020000 00000004 0000000c 0001fff4 c475bee0 00000001 00000805 000) # [ < 0>8[1 . 7 08324.9403825] bf00: c6904000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ] ---[ end trace 7<708>1[1 b 8 582.424086] bf20: 00000000 00000000 c475a000 dc24ab8c b6ded000 c5960640 c5960640 c475a000 8b6e2f6 ]--- # AE[S S _ U8S.434690] bf40: b6dee000 00000000 00000000 00000004 c475bf94 c475bf60 c059be08 c059b75c ERSPACE: missing 'l[l t r82.445209] bf60: 00000000 00000000 c475bfac dc24ab8c 0000000c 0000000c b6f35e00 00000004 ce:': [FAIL] not< 0o>k[ 3 7 8s.455812] bf80: c03002e4 c475a000 c475bfa4 c475bf98 c059be98 c059bda0 00000000 c475bfa8 elftests: lkm[: A C8C2E.S466329] bfa0: c03000c0 c059be8c 0000000c 0000000c 00000001 b6dee000 0000000c 00000000 _USERSPACE.sh # ex=[1 #82.476677] bfc0: 0000000c 0000000c b6f35e00 00000004 00000001 00000000 00020000 bef0bac4 selftests: lkdtm:< 0A>C[C E S S8_.487281] bfe0: 00000004 bef0b7f8 b6e9fd8f b6e267e6 800e0030 00000001 00000000 00000000 NULL.sh <0>[ 82.497792] Backtrace: <0>[ 82.501292] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.509822] r5:c6bc6000 r4:00000027 <0>[ 82.513668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.521949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.530136] r9:c475bf60 r8:c52c2180 r7:0000000c r6:b6dee000 r5:c5960640 r4:c0c57404 <0>[ 82.538155] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.546254] r9:c07e1394 r8:c475bf60 r7:c2815800 r6:b6dee000 r5:c5960640 r4:00000000 <0>[ 82.554268] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.561673] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c475a000 r5:c5960640 <0>[ 82.569768] r4:c5960640 <0>[ 82.572574] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.579977] r9:c475a000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:0000000c r4:0000000c <0>[ 82.587994] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.595828] Exception stack(0xc475bfa8 to 0xc475bff0) <0>[ 82.601147] bfa0: 0000000c 0000000c 00000001 b6dee000 0000000c 00000000 <0>[ 82.609592] bfc0: 0000000c 0000000c b6f35e00 00000004 00000001 00000000 00020000 bef0bac4 <0>[ 82.618034] bfe0: 00000004 bef0b7f8 b6e9fd8f b6e267e6 <0>[ 82.623356] Code: e30606ec e34c01ad e1a01004 ebffd3c7 (e5945000) <4>[ 82.629784] ---[ end trace 77811b8548b6e2f7 ]--- # Segmentation fault # [ 82.160957] lkdtm: Performing direct entry ACCESS_NULL # [ 82.167064] lkdtm: attempting bad read at 00000000 # [ 82.174889] 8<--- cut here --- # [ 82.181013] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 82.192388] pgd = bb5d67ad # [ 82.198052] [00000000] *pgd=00000000 # [ 82.204794] Internal error: Oops: 5 [#11] SMP ARM # [ 82.212571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.244534] CPU: 1 PID: 2357 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 82.254701] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.263322] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 82.270802] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.278620] pc : [] lr : [] psr: 600e0013 # [ 82.287054] sp : c475be50 ip : c475bd58 fp : c475be64 # [ 82.294360] r10: 0000000c r9 : c1ad57dc r8 : c15ebd4c # [ 82.301666] r7 : c475bf60 r6 : 0000000c r5 : c6bc6000 r4 : 00000000 # [ 82.310360] r3 : dc24ab8c r2 : dc24ab8c r1 : ef7965e0 r0 : 00000026 # [ 82.318970] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.328187] Control: 10c5387d Table: 16b4004a DAC: 00000051 # [ 82.336103] Process cat (pid: 2357, stack limit = 0xcdcf5856) # [ 82.344102] Stack: (0xc475be50 to 0xc475c000) # [ 82.350717] be40: 00000027 c6bc6000 c475be74 c475be68 # [ 82.361237] be60: c0c57024 c13c71cc c475be9c c475be78 c0c57524 c0c57004 c0c57404 c5960640 # [ 82.371839] be80: b6dee000 0000000c c52c2180 c475bf60 c475bec4 c475bea0 c07e13f8 c0c57410 # [ 82.382272] bea0: 00000000 c5960640 b6dee000 c2815800 c475bf60 c07e1394 c475bf5c c475bec8 # [ 82.392791] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c44a85e4 c059be08 c475a000 # [ 82.403308] bee0: b6dee000 00020000 00000004 0000000c 0001fff4 c475bee0 00000001 00000805 # [ 82.413825] bf00: c6904000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.424086] bf20: 00000000 00000000 c475a000 dc24ab8c b6ded000 c5960640 c5960640 c475a000 # [ 82.434690] bf40: b6dee000 00000000 00000000 00000004 c475bf94 c475bf60 c059be08 c059b75c # [ 82.445209] bf60: 00000000 00000000 c475bfac dc24ab8c 0000000c 0000000c b6f35e00 00000004 # [ 82.455812] bf80: c03002e4 c475a000 c475bfa4 c475bf98 c059be98 c059bda0 00000000 c475bfa8 # [ 82.466329] bfa0: c03000c0 c059be8c 0000000c 0000000c 00000001 b6dee000 0000000c 00000000 # [ 82.476677] bfc0: 0000000c 0000000c b6f35e00 00000004 00000001 00000000 00020000 bef0bac4 # [ 82.487281] bfe0: 00000004 bef0b7f8 b6e9fd8f b6e267e6 800e0030 00000001 00000000 00000000 # [ 82.497792] Backtrace: # [ 82.501292] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.509822] r5:c6bc6000 r4:00000027 # [ 82.513668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.521949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.530136] r9:c475bf60 r8:c52c2180 r7:0000000c r6:b6dee000 r5:c5960640 r4:c0c57404 # [ 82.538155] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.546254] r9:c07e1394 r8:c475bf60 r7:c2815800 r6:b6dee000 r5:c5960640 r4:00000000 # [ 82.554268] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.561673] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c475a000 r5:c5960640 # [ 82.569768] r4:c5960640 # [ 82.572574] [[ 83.078696] lkdtm: Performing direct entry WRITE_RO 59bd94>] (ksys_write) from [[ 83.084836] lkdtm: attempting bad rodata write at c15ebfe4 be98>] (sys_write+0x18/0x1c) # [<1>[ 83.093386] 8<--- cut here --- <1>[ 83.099525] Unable to handle kernel paging request at virtual address c15ebfe4 <1>[ 83.107016] pgd = 2d249b46 <1>[ 83.109990] [c15ebfe4] *pgd=1141941e(bad) <0>[ 83.114281] Internal error: Oops: 80d [#12] SMP ARM <4>[ 83.119427] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 83.148723] CPU: 0 PID: 2432 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 83.156732] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.163536] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 83.168170] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 83.173489] pc : [] lr : [] psr: 600e0013 <4>[ 83.180022] sp : c59b9e50 ip : c59b9d58 fp : c59b9e64 <4>[ 83.185511] r10: 00000009 r9 : c1ad57e8 r8 : c15ebd4c <4>[ 83.191003] r7 : c59b9f60 r6 : 00000009 r5 : c6c5d000 r4 : c15ebfe4 <4>[ 83.197796] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ad65ec <4>[ 83.204590] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.211991] Control: 10c5387d Table: 1682c04a DAC: 00000051 <0>[ 83.218004] Process cat (pid: 2432, stack limit = 0xbd5415b6) <0>[ 83.224016] Stack: (0xc59b9e50 to 0xc59ba000) <0>[ 83.228644] 9e40: 00000028 c6c5d000 c59b9e74 c59b9e68 <0>[ 83.237090] 9e60: c0c57024 c13c6fcc c59b9e9c c59b9e78 c0c57524 c0c57004 c0c57404 c69423c0 <0>[ 83.245537] 9e80: b6e16000 00000009 c52c2180 c59b9f60 c59b9ec4 c59b9ea0 c07e13f8 c0c57410 <0>[ 83.253984] 9ea0: 00000000 c69423c0 b6e16000 c2815800 c59b9f60 c07e1394 c59b9f5c c59b9ec8 <0>[ 83.262432] 9ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c59b8000 <0>[ 83.270876] 9ee0: b6e16000 00020000 00000004 00000009 0001fff7 c59b9ee0 00000001 b6e15000 <0>[ 83.279322] 9f00: c6c06640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.287768] 9f20: 00000000 00000000 c13dc4d0 411599c4 c206c120 c69423c0 c69423c0 c59b8000 <0>[ 83.296215] 9f40: b6e16000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059be08 c059b75c <0>[ 83.304662] 9f60: 00000000 00000000 c59b9fac 411599c4 00000009 00000009 b6f5de00 00000004 <0>[ 83.313109] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059be98 c059bda0 00000000 c59b9fa8 <0>[ 83.321554] 9fa0: c03000c0 c059be8c 00000009 00000009 00000001 b6e16000 00000009 00000000 <0>[ 83.329999] 9fc0: 00000009 00000009 b6f5de00 00000004 00000001 00000000 00020000 be821ac4 <0>[ 83.338443] 9fe0: 00000004 be8217f8 b6ec7d8f b6e4e7e6 800e0030 00000001 00000000 00000000 <0>[ 83.346883] Backtrace: <0>[ 83.349611] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.357883] r5:c6c5d000 r4:00000028 <0>[ 83.361730] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.370010] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.378197] r9:c59b9f60 r8:c52c2180 r7:00000009 r6:b6e16000 r5:c69423c0 r4:c0c57404 <0>[ 83.386216] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.394314] r9:c07e1394 r8:c59b9f60 r7:c2815800 r6:b6e16000 r5:c69423c0 r4:00000000 <0>[ 83.402328] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.409732] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c59b8000 r5:c69423c0 <0>[ 83.417826] r4:c69423c0 <0>[ 83.420629] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.428033] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:00000009 r4:00000009 <0>[ 83.436049] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.443883] Exception stack(0xc59b9fa8 to 0xc59b9ff0) <0>[ 83.449202] 9fa0: 00000009 00000009 00000001 b6e16000 00000009 00000000 <0>[ 83.457648] 9fc0: 00000009 00000009 b6f5de00 00000004 00000001 00000000 00020000 be821ac4 <0>[ 83.466090] 9fe0: 00000004 be8217f8 b6ec7d8f b6e4e7e6 <0>[ 83.471415] Code: e34a3bcd e30605ec e34c01ad e0233002 (e5843000) <4>[ 83.477778] ---[ end trace 77811b8548b6e2f8 ]--- 82.579977] r9:c475a000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:0000000c r4:0000000c # [ 82.587994] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.595828] Exception stack(0xc475bfa8 to 0xc475bff0) # [ 82.601147] bfa0: 0000000c 0000000c 00000001 b6dee000 0000000c 00000000 # [ 82.609592] bfc0: 0000000c 0000000c b6f35e00 00000004 00000001 00000000 00020000 bef0bac4 # [ 82.618034] bfe0: 00000004 bef0b7f8 b6e9fd8f b6e267e6 # [ 82.623356] Code: e30606ec e34c01ad e1a01004 ebffd3c7 (e5945000) # [ 82.629784] ---[ end trace 77811b8548b6e2f7 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 83.078696] lkdtm: Performing direct entry WRITE_RO # [ 83.084836] lkdtm: attempting bad rodata write at c15ebfe4 # [ 83.093386] 8<--- cut here --- # [ 83.099525] Unable to handle kernel paging request at virtual address c15ebfe4 # [ 83.107016] pgd = 2d249b46 # [ 83.109990] [c15ebfe4] *pgd=1141941e(bad) # [ 83.114281] Internal error: Oops: 80d [#12] SMP ARM # [ 83.119427] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.148723] CPU: 0 PID: 2432 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 83.156732] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.163536] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 83.168170] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.173489] pc : [] lr : [] psr: 600e0013 # [ 83.180022] sp : c59b9e50 ip : c59b9d58 fp : c59b9e64 # [ 83.185511] r10: 00000009 r9 : c1ad57e8 r8 : c15ebd4c # [ 83.191003] r7 : c59b9f60 r6 : 00000009 r5 : c6c5d000 r4 : c15ebfe4 # [ 83.197796] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ad65ec # [ 83.204590] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.211991] Control: 10c5387d Table: 1682c04a DAC: 00000051 # [ 83.218004] Process cat (pid: 2432, stack limit = 0xbd5415b6) # [ 83.224016] Stack: (0xc59b9e50 to 0xc59ba000) # [ 83.228644] 9e40: 00000028 c6c5d000 c59b9e74 c59b9e68 # [ 83.237090] 9e60: c0c57024 c13c6fcc c59b9e9c c59b9e78 c0c57524 c0c57004 c0c57404 c69423c0 # [ 83.245537] 9e80: b6e16000 00000009 c52c2180 c59b9f60 c59b9ec4 c59b9ea0 c07e13f8 c0c57410 # [ 83.253984] 9ea0: 00000000 c69423c0 b6e16000 c2815800 c59b9f60 c07e1394 c59b9f5c c59b9ec8 # [ 83.262432] 9ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c59b8000 # [ 83.270876] 9ee0: b6e16000 00020000 00000004 00000009 0001fff7 c59b9ee0 00000001 b6e15000 # [ 83.279322] 9f00: c6c06640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.287768] 9f20: 00000000 00000000 c13dc4d0 411599c4 c206c120 c69423c0 c69423c0 c59b8000 # [ 83.296215] 9f40: b6e16000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059be08 c059b75c # [ 83.304662] 9f60: 00000000 00000000 c59b9fac 411599c4 00000009 00000009 b6f5de00 00000004 # [ 83.313109] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059be98 c059bda0 00000000 c59b9fa8 # [ 83.321554] 9fa0: c03000c0 c059be8c 00000009 00000009 00000001 b6e16000 00000009 00000000 # [ 83.329999] 9fc0: 00000009 00000009 b6f5de00 00000004 00000001 00000000 00020000 be821ac4 # [ 83.338443] 9fe0: 00000004 be8217f8 b6ec7d8f b6e4e7e6 800e0030 00000001 00000000 00000000 # [ 83.346883] Backtrace: # [ 83.349611] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.357883] r5:c6c5d000 r4:00000028 # [ 83.361730] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.370010] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.378197] r9:c59b9f60 r8:c52c2180 r7:00000009 r6:b6e16000 r5:c69423c0 r4:c0c57404 # [ 83.386216] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.394314] r9:c07e1394 r8:c59b9f60 r7:c2815800 r6:b6e16000 r5:c69423c0 r4:00000000 # [ 83.402328] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.409732] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c59b8000 r5:c69423c0 # [ 83.417826] r4:c69423c0 # [ 83.420629] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.428033] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:00000009 r4:00000009 # [ 83.436049] [[ 83.949069] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 80>] (sys_write) from [<6>[ 83.955603] lkdtm: attempting bad ro_after_init write at c1b88c60 ] (ret_fast_syscall+0x0/0x28) # <1>[ 83.964919] 8<--- cut here --- [ 83.443883] Excei[o n s3.970949] Unable to handle kernel paging request at virtual address c1b88c60 tack(0xc59b9fa8< 1t>o[ 0 x 8c35.980599] pgd = 8d4dfd22 b9ff0) # [ 83.449202] 9fa<01>: 83.985560] [c1b88c60] *pgd=11a1941e(bad) 0<000>0[0 0 0 83.992352] Internal error: Oops: 80d [#13] SMP ARM 00000009 00000001 b6e16000 00000<4>[ 83.999742] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 009 00000000 # [ <843>.[4 5 7 84.031706] CPU: 3 PID: 2507 Comm: cat Tainted: G D W 5.10.201-cip41 #1 48] 9fc0: 00<040>0[0 0 9 8040.0041959] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0009 b6f5de00 00000004 00<040>0[0 84.050663] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 01 00000000 00020000 be821a 84.058665] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.4<646>0[9 0 ] 894f.e006481] pc : [] lr : [] psr: 600e0013 : 00000004< 4b>e[8 2 1 78f48. 0b74829] sp : c69e7e50 ip : c69e7d58 fp : c69e7e64 ec7d8f b6e4e<74e>6[ # 8[4 . 082137] r10: 00000014 r9 : c1ad57f4 r8 : c15ebd4c 83.471415]< 4C>o[d e : 8e43.048a528] r7 : c69e7f60 r6 : 00000014 r5 : c68a1000 r4 : c1b88c60 3bcd e306<045>e[c e 3844c.0019a049] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad65ec d e0233002 (8[4 3 0 0804). 106574] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.47<747>7[8 ] 8-4-.-1[5877] Control: 10c5387d Table: 16cd004a DAC: 00000051 end trace 778<101>b[8 5 4 88b46.123704] Process cat (pid: 2507, stack limit = 0xc8fc7ae0) 2f8 ]--- #< 0W>R[I T E _8R4O.:1 1704] Stack: (0xc69e7e50 to 0xc69e8000) missing 'call tre[: ' : 8[4.138146] 7e40: 00000029 c68a1000 c69e7e74 c69e7e68 AIL] not ok 39 sel[e s t s84.148666] 7e60: c0c57024 c13c701c c69e7e9c c69e7e78 c0c57524 c0c57004 c0c57404 c6c06280 lkdtm: WRITE_Rs[h # 8e4x159268] 7e80: b6db9000 00000014 c52c2180 c69e7f60 c69e7ec4 c69e7ea0 c07e13f8 c0c57410 it=1 # selftes[: l k8d4t.169700] 7ea0: 00000000 c6c06280 b6db9000 c2815800 c69e7f60 c07e1394 c69e7f5c c69e7ec8 : WRITE_RO_AFTER_IT[. s h 84.180134] 7ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c69e6000 <0>[ 84.190736] 7ee0: b6db9000 00020000 00000004 00000014 0001ffec c69e7ee0 00000001 b6db8000 <0>[ 84.199181] 7f00: c692c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 84.207627] 7f20: 00000000 00000000 c13dc4d0 43015350 c206c120 c6c06280 c6c06280 c69e6000 <0>[ 84.216073] 7f40: b6db9000 00000000 00000000 00000004 c69e7f94 c69e7f60 c059be08 c059b75c <0>[ 84.224520] 7f60: 00000000 00000000 c69e7fac 43015350 00000014 00000014 b6f00e00 00000004 <0>[ 84.232965] 7f80: c03002e4 c69e6000 c69e7fa4 c69e7f98 c059be98 c059bda0 00000000 c69e7fa8 <0>[ 84.241411] 7fa0: c03000c0 c059be8c 00000014 00000014 00000001 b6db9000 00000014 00000000 <0>[ 84.249857] 7fc0: 00000014 00000014 b6f00e00 00000004 00000001 00000000 00020000 becd9ac4 <0>[ 84.258301] 7fe0: 00000004 becd97f8 b6e6ad8f b6df17e6 800e0030 00000001 00000000 00000000 <0>[ 84.266741] Backtrace: <0>[ 84.269470] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.278696] r5:c68a1000 r4:00000029 <0>[ 84.282544] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.290823] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.299009] r9:c69e7f60 r8:c52c2180 r7:00000014 r6:b6db9000 r5:c6c06280 r4:c0c57404 <0>[ 84.307027] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.315126] r9:c07e1394 r8:c69e7f60 r7:c2815800 r6:b6db9000 r5:c6c06280 r4:00000000 <0>[ 84.323140] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.330544] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c69e6000 r5:c6c06280 <0>[ 84.338639] r4:c6c06280 <0>[ 84.341445] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.348849] r9:c69e6000 r8:c03002e4 r7:00000004 r6:b6f00e00 r5:00000014 r4:00000014 <0>[ 84.356865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.364700] Exception stack(0xc69e7fa8 to 0xc69e7ff0) <0>[ 84.370021] 7fa0: 00000014 00000014 00000001 b6db9000 00000014 00000000 <0>[ 84.378468] 7fc0: 00000014 00000014 b6f00e00 00000004 00000001 00000000 00020000 becd9ac4 <0>[ 84.386912] 7fe0: 00000004 becd97f8 b6e6ad8f b6df17e6 <0>[ 84.392234] Code: e34a3bcd e30605ec e34c01ad e0233002 (e5843000) <4>[ 84.398599] ---[ end trace 77811b8548b6e2f9 ]--- # Segmentation fault # [ 83.949069] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.955603] lkdtm: attempting bad ro_after_init write at c1b88c60 # [ 83.964919] 8<--- cut here --- # [ 83.970949] Unable to handle kernel paging request at virtual address c1b88c60 # [ 83.980599] pgd = 8d4dfd22 # [ 83.985560] [c1b88c60] *pgd=11a1941e(bad) # [ 83.992352] Internal error: Oops: 80d [#13] SMP ARM # [ 83.999742] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.031706] CPU: 3 PID: 2507 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 84.041959] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.050663] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 84.058665] LR is at __irq_work_queue_local+0x40/0x74 # [ 84.066481] pc : [] lr : [] psr: 600e0013 # [ 84.074829] sp : c69e7e50 ip : c69e7d58 fp : c69e7e64 # [ 84.082137] r10: 00000014 r9 : c1ad57f4 r8 : c15ebd4c # [ 84.089528] r7 : c69e7f60 r6 : 00000014 r5 : c68a1000 r4 : c1b88c60 # [ 84.098049] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad65ec # [ 84.106574] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.115877] Control: 10c5387d Table: 16cd004a DAC: 00000051 # [ 84.123704] Process cat (pid: 2507, stack limit = 0xc8fc7ae0) # [ 84.131704] Stack: (0xc69e7e50 to 0xc69e8000) # [ 84.138146] 7e40: 00000029 c68a1000 c69e7e74 c69e7e68 # [ 84.148666] 7e60: c0c57024 c13c701c c69e7e9c c69e7e78 c0c57524 c0c57004 c0c57404 c6c06280 # [ 84.159268] 7e80: b6db9000 00000014 c52c2180 c69e7f60 c69e7ec4 c69e7ea0 c07e13f8 c0c57410 # [ 84.169700] 7ea0: 00000000 c6c06280 b6db9000 c2815800 c69e7f60 c07e1394 c69e7f5c c69e7ec8 # [ 84.180134] 7ec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c69e6000 # [ 84.190736] 7ee0: b6db9000 00020000 00000004 00000014 0001ffec c69e7ee0 00000001 b6db8000 # [ 84.199181] 7f00: c692c500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.207627] 7f20: 00000000 00000000 c13dc4d0 43015350 c206c120 c6c06280 c6c06280 c69e6000 # [ 84.216073] 7f40: b6db9000 00000000 00000000 00000004 c69e7f94 c69e7f60 c059be08 c059b75c # [ 84.224520] 7f60: 00000000 00000000 c69e7fac 43015350 00000014 00000014 b6f00e00 00000004 # [ 84.232965] 7f80: c03002e4 c69e6000 c69e7fa4 c69e7f98 c059be98 c059bda0 00000000 c69e7fa8 # [ 84.241411] 7fa0: c03000c0 c059be8c 00000014 00000014 00000001 b6db9000 00000014 00000000 # [ 84.249857] 7fc0: 00000014 00000014 b6f00e00 00000004 00000001 00000000 00020000 becd9ac4 # [ 84.258301] 7fe0: 00000004 becd97f8 b6e6ad8f b6df17e6 800e0030 00000001 00000000 00000000 # [ 84.266741] Backtrace: # [ 84.269470] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.278696] r5:c68a1000 r4:00000029 # [ 84.282544] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.290823] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.299009] r9:c69e7f60 r8:c52c2180 r7:00000014 r6:b6db9000 r5:c6c06280 r4:c0c57404 # [ 84.307027] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.315126] r9:c07e1394 r8:c69e7f60 r7:c2815800 r6:b6db9000 r5:c6c06280 r4:00000000 # [ 84.323140] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.330544] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c69e6000 r5:c6c06280 # [ 84.338639] r4:c6c06280 # [ 84.341445] [] (ksys_write) from [] (sys_write+0x18/0x1c) <6>[ 84.912553] lkdtm: Performing direct entry WRITE_KERN # [ 84.348849] r9:c69e6000 r8<6>[ 84.919912] lkdtm: attempting bad 7795028 byte write at c13c6ee8 :c03002e4 r7:00000004 r6:b6f00e00<1>[ 84.929170] 8<--- cut here --- <1>[ 84.935287] Unable to handle kernel paging request at virtual address c13c6ee8 <1>[ 84.942780] pgd = 3ab49df1 <1>[ 84.945755] [c13c6ee8] *pgd=1121940e(bad) <0>[ 84.950048] Internal error: Oops: 80d [#14] SMP ARM <4>[ 84.955194] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 84.984493] CPU: 0 PID: 2582 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 84.992502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.999304] PC is at memcpy+0x50/0x330 <4>[ 85.003322] LR is at 0xe92dd830 <4>[ 85.006730] pc : [] lr : [] psr: 200e0013 <4>[ 85.013263] sp : c6dabe2c ip : e1a0c00d fp : c6dabe64 <4>[ 85.018755] r10: 0000000b r9 : c1ad5808 r8 : e89da800 <4>[ 85.024245] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 85.031038] r3 : e1a0c00d r2 : 0076f0b4 r1 : c0c57db4 r0 : c13c6ee8 <4>[ 85.037832] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 85.045235] Control: 10c5387d Table: 16a2804a DAC: 00000051 <0>[ 85.051247] Process cat (pid: 2582, stack limit = 0xc4c8956f) <0>[ 85.057259] Stack: (0xc6dabe2c to 0xc6dac000) <0>[ 85.061886] be20: c0c57d94 0076f154 c6dabf60 c15ebd4c c13c6ee8 <0>[ 85.070333] be40: c13c6ee8 c13c70cc 0000002a c6c5f000 0000000b c6dabf60 c6dabe74 c6dabe68 <0>[ 85.078782] be60: c0c57024 c13c708c c6dabe9c c6dabe78 c0c57524 c0c57004 c0c57404 c2faadc0 <0>[ 85.087227] be80: b6e44000 0000000b c52c2180 c6dabf60 c6dabec4 c6dabea0 c07e13f8 c0c57410 <0>[ 85.095673] bea0: 00000000 c2faadc0 b6e44000 c2815800 c6dabf60 c07e1394 c6dabf5c c6dabec8 <0>[ 85.104119] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6daa000 <0>[ 85.112565] bee0: b6e44000 00020000 00000004 0000000b 0001fff5 c6dabee0 00000001 b6e43000 <0>[ 85.121010] bf00: c692d180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 85.129456] bf20: 00000000 00000000 c13dc4d0 a8dbf7e4 c206c120 c2faadc0 c2faadc0 c6daa000 <0>[ 85.137904] bf40: b6e44000 00000000 00000000 00000004 c6dabf94 c6dabf60 c059be08 c059b75c <0>[ 85.146351] bf60: 00000000 00000000 c6dabfac a8dbf7e4 0000000b 0000000b b6f8be00 00000004 <0>[ 85.154798] bf80: c03002e4 c6daa000 c6dabfa4 c6dabf98 c059be98 c059bda0 00000000 c6dabfa8 <0>[ 85.163245] bfa0: c03000c0 c059be8c 0000000b 0000000b 00000001 b6e44000 0000000b 00000000 <0>[ 85.171691] bfc0: 0000000b 0000000b b6f8be00 00000004 00000001 00000000 00020000 bef32ac4 <0>[ 85.180136] bfe0: 00000004 bef327f8 b6ef5d8f b6e7c7e6 800e0030 00000001 00000000 00000000 <0>[ 85.188576] Backtrace: <0>[ 85.191310] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 85.199757] r7:c6dabf60 r6:0000000b r5:c6c5f000 r4:0000002a <0>[ 85.205687] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 85.213966] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 85.222152] r9:c6dabf60 r8:c52c2180 r7:0000000b r6:b6e44000 r5:c2faadc0 r4:c0c57404 <0>[ 85.230173] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 85.238270] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6e44000 r5:c2faadc0 r4:00000000 <0>[ 85.246284] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.253689] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6daa000 r5:c2faadc0 <0>[ 85.261782] r4:c2faadc0 <0>[ 85.264588] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.271992] r9:c6daa000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000000b r4:0000000b <0>[ 85.280006] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.287841] Exception stack(0xc6dabfa8 to 0xc6dabff0) <0>[ 85.293163] bfa0: 0000000b 0000000b 00000001 b6e44000 0000000b 00000000 <0>[ 85.301609] bfc0: 0000000b 0000000b b6f8be00 00000004 00000001 00000000 00020000 bef32ac4 <0>[ 85.310054] bfe0: 00000004 bef327f8 b6ef5d8f b6e7c7e6 <0>[ 85.315375] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 85.321737] ---[ end trace 77811b8548b6e2fa ]--- r5:00000014 r4:00000014 # [ 84.356865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.364700] Exception stack(0xc69e7fa8 to 0xc69e7ff0) # [ 84.370021] 7fa0: 00000014 00000014 00000001 b6db9000 00000014 00000000 # [ 84.378468] 7fc0: 00000014 00000014 b6f00e00 00000004 00000001 00000000 00020000 becd9ac4 # [ 84.386912] 7fe0: 00000004 becd97f8 b6e6ad8f b6df17e6 # [ 84.392234] Code: e34a3bcd e30605ec e34c01ad e0233002 (e5843000) # [ 84.398599] ---[ end trace 77811b8548b6e2f9 ]--- # 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 # [ 84.912553] lkdtm: Performing direct entry WRITE_KERN # [ 84.919912] lkdtm: attempting bad 7795028 byte write at c13c6ee8 # [ 84.929170] 8<--- cut here --- # [ 84.935287] Unable to handle kernel paging request at virtual address c13c6ee8 # [ 84.942780] pgd = 3ab49df1 # [ 84.945755] [c13c6ee8] *pgd=1121940e(bad) # [ 84.950048] Internal error: Oops: 80d [#14] SMP ARM # [ 84.955194] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.984493] CPU: 0 PID: 2582 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 84.992502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.999304] PC is at memcpy+0x50/0x330 # [ 85.003322] LR is at 0xe92dd830 # [ 85.006730] pc : [] lr : [] psr: 200e0013 # [ 85.013263] sp : c6dabe2c ip : e1a0c00d fp : c6dabe64 # [ 85.018755] r10: 0000000b r9 : c1ad5808 r8 : e89da800 # [ 85.024245] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 85.031038] r3 : e1a0c00d r2 : 0076f0b4 r1 : c0c57db4 r0 : c13c6ee8 # [ 85.037832] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.045235] Control: 10c5387d Table: 16a2804a DAC: 00000051 # [ 85.051247] Process cat (pid: 2582, stack limit = 0xc4c8956f) # [ 85.057259] Stack: (0xc6dabe2c to 0xc6dac000) # [ 85.061886] be20: c0c57d94 0076f154 c6dabf60 c15ebd4c c13c6ee8 # [ 85.070333] be40: c13c6ee8 c13c70cc 0000002a c6c5f000 0000000b c6dabf60 c6dabe74 c6dabe68 # [ 85.078782] be60: c0c57024 c13c708c c6dabe9c c6dabe78 c0c57524 c0c57004 c0c57404 c2faadc0 # [ 85.087227] be80: b6e44000 0000000b c52c2180 c6dabf60 c6dabec4 c6dabea0 c07e13f8 c0c57410 # [ 85.095673] bea0: 00000000 c2faadc0 b6e44000 c2815800 c6dabf60 c07e1394 c6dabf5c c6dabec8 # [ 85.104119] bec0: c059b85c c07e13a0 00000001 00000000 c059be08 c13dc4d0 c059be08 c6daa000 # [ 85.112565] bee0: b6e44000 00020000 00000004 0000000b 0001fff5 c6dabee0 00000001 b6e43000 # [ 85.121010] bf00: c692d180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.129456] bf20: 00000000 00000000 c13dc4d0 a8dbf7e4 c206c120 c2faadc0 c2faadc0 c6daa000 # [ 85.137904] bf40: b6e44000 00000000 00000000 00000004 c6dabf94 c6dabf60 c059be08 c059b75c # [ 85.146351] bf60: 00000000 00000000 c6dabfac a8dbf7e4 0000000b 0000000b b6f8be00 00000004 # [ 85.154798] bf80: c03002e4 c6daa000 c6dabfa4 c6dabf98 c059be98 c059bda0 00000000 c6dabfa8 # [ 85.163245] bfa0: c03000c0 c059be8c 0000000b 0000000b 00000001 b6e44000 0000000b 00000000 # [ 85.171691] bfc0: 0000000b 0000000b b6f8be00 00000004 00000001 00000000 00020000 bef32ac4 # [ 85.180136] bfe0: 00000004 bef327f8 b6ef5d8f b6e7c7e6 800e0030 00000001 00000000 00000000 # [ 85.188576] Backtrace: # [ 85.191310] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.199757] r7:c6dabf60 r6:0000000b r5:c6c5f000 r4:0000002a # [ 85.205687] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.213966] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.222152] r9:c6dabf60 r8:c52c2180 r7:0000000b r6:b6e44000 r5:c2faadc0 r4:c0c57404 # [ 85.230173] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.238270] r9:c07e1394 r8:c6dabf60 r7:c2815800 r6:b6e44000 r5:c2faadc0 r4:00000000 # [ 85.246284] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.253689] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6daa000 r5:c2faadc0 # [ 85.261782] r4:c2faadc0 # [ 85.264588] []<6>[ 85.804612] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW (ksys_write) from [] (<6>[ 85.812600] lkdtm: attempting good refcount_inc() without overflow sys_write+0x18/0x1c)< 6 >#[ [ 85.821862] lkdtm: attempting bad refcount_inc() overflow 85.271992] r9:c6daa000 r8:c0300<4>[ 85.829913] ------------[ cut here ]------------ 2e4 r7:00000004 r6:b6f8be00 r5:00<4>[ 85.837575] WARNING: CPU: 2 PID: 2658 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 00000b r4:0000000b # [ 85.2800<4>[ 85.849115] refcount_t: saturated; leaking memory. 06] [] (sys_write) from<4>[ 85.857026] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [] (ret_fast_syscall+0<4>[ 85.889003] CPU: 2 PID: 2658 Comm: cat Tainted: G D W 5.10.201-cip41 #1 x0/0x28) <#4 >[[ 8855..8298825] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 7841] Exception stack<(40>x[c 6 d85.908350] Backtrace: abfa8 to 0xc6dabff0) # [ < 48>5 85.913322] [] (dump_backtrace) from [] (show_stack+0x20/0x24) .293163] bfa0: < 4 > [ 85.923661] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 0000000b 00000000[0 0 85.931750] [] (show_stack) from [] (dump_stack+0xe0/0x100) 00001 b6e44000 0000000b 00<040>0[ 85.941664] [] (dump_stack) from [] (__warn+0x98/0x14c) 00 # [ 85.3016<40>9[] b f8c5.951396] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 : 0000000b 0000000b f[8 b e5.961482] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 00 00000004 0<040>0[0 0 0 18 50.071388] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c6a48000 000000 00020000 bef3<24a>c[4 85.979220] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 85.310<04>5[4 ] b8f5e.09:90690] r9:c1ad5814 r8:c15ebd4c r7:c6a49f60 r6:00000016 r5:c5e30000 r4:c6a48000 00000004 bef327f8 b6ef5d<84f> [b 86.000523] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) e7c7e6 # [ 85.315375] Co: 86.012867] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) f5d1f05c f5d1f07e[8 b 1 581.025722] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) f8 e252<240>2[0 ( e886a.005317f91] r4:0000002b 8) # [ 85.32173<74]> [- - - [6.041641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) end trace 77811b8548b<64e>2[f a 86.052073] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ]--- # WRITE_KE:[ m i s8s6.062587] r9:c6a49f60 r8:c52c2180 r7:00000016 r6:b6ea9000 r5:c692c3c0 r4:c0c57404 ng 'call trace:': [FAIL] n 86.072680] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ok 41 selftest [l k d t8m6:.083276] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6ea9000 r5:c692c3c0 r4:00000000 WRITE_KERN.sh # et[= 1 8#.093275] [] (vfs_write) from [] (ksys_write+0x74/0xec) selftests: lkd:[ R E F8C6O102752] r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6a48000 r5:c692c3c0 UNT_INC_OR[F L O W8.6s.h1 1 831] r4:c692c3c0 <4>[ 86.117367] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.124771] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:00000016 r4:00000016 <4>[ 86.132787] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.140621] Exception stack(0xc6a49fa8 to 0xc6a49ff0) <4>[ 86.145942] 9fa0: 00000016 00000016 00000001 b6ea9000 00000016 00000000 <4>[ 86.154388] 9fc0: 00000016 00000016 b6ff0e00 00000004 00000001 00000000 00020000 bed1eac4 <4>[ 86.162831] 9fe0: 00000004 bed1e7f8 b6f5ad8f b6ee17e6 <4>[ 86.168238] irq event stamp: 0 <4>[ 86.171570] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.177483] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.185283] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.193076] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.198921] ---[ end trace 77811b8548b6e2fb ]--- <6>[ 86.203837] lkdtm: Overflow detected: saturated # [ 85.804612] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 85.812600] lkdtm: attempting good refcount_inc() without overflow # [ 85.821862] lkdtm: attempting bad refcount_inc() overflow # [ 85.829913] ------------[ cut here ]------------ # [ 85.837575] WARNING: CPU: 2 PID: 2658 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.849115] refcount_t: saturated; leaking memory. # [ 85.857026] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.889003] CPU: 2 PID: 2658 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 85.899825] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.908350] Backtrace: # [ 85.913322] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.923661] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 85.931750] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.941664] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.951396] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 # [ 85.961482] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.971388] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c6a48000 # [ 85.979220] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.990690] r9:c1ad5814 r8:c15ebd4c r7:c6a49f60 r6:00000016 r5:c5e30000 r4:c6a48000 # [ 86.000523] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.012867] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 86.025722] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.037191] r4:0000002b # [ 86.041641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.052073] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.062587] r9:c6a49f60 r8:c52c2180 r7:00000016 r6:b6ea9000 r5:c692c3c0 r4:c0c57404 # [ 86.072680] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.083276] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6ea9000 r5:c692c3c0 r4:00000000 # [ 86.093275] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.102752] r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6a48000 r5:c692c3c0 # [ 86.112831] r4:c692c3c0 # [ 86.117367] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.124771] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:00000016 r4:00000016 # [ 86.132787] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.140621] Exception stack(0xc6a49fa8 to 0xc6a49ff0) # [ 86.145942] 9fa0: 00000016 00000016 00000001 b6ea9000 00000016 00000000 # [ 86.154388] 9fc0: 00000016 00000016 b6ff0e00 00000004 00000001 00000000 00020000 bed1eac4 # [ 86.162831] 9fe0: 00000004 bed1e7f8 b6f5ad8f b6ee17e6 # [ 86.168238] irq event stamp: 0 # [ 86.171570] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.177483] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.185283] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.193076] softirqs last disabled at (0): [<00000000>] 0x0 # [ <6>[ 86.607815] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 86.198921] ---[ end trace 77811b8<6>[ 86.614802] lkdtm: attempting good refcount_add() without overflow 548b6e2fb ]--- # [ 86.203837] <6>[ 86.624036] lkdtm: attempting bad refcount_add() overflow lkdtm: Overflow detected: saturat<4>[ 86.632592] ------------[ cut here ]------------ ed # REFCOUNT_INC_OVERFLOW: miss<4>[ 86.640335] WARNING: CPU: 3 PID: 2693 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 ing 'call trace:': [FAIL] not ok<4>[ 86.651842] refcount_t: saturated; leaking memory. 42 selftests: lkdtm: REFCOUNT_IN<4>[ 86.659762] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 C_OVERFLOW.sh # exit=1 # selftes<4>[ 86.691737] CPU: 3 PID: 2693 Comm: cat Tainted: G D W 5.10.201-cip41 #1 ts: lkdtm: F[C O U N8T6_.A7D2549] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) D_OVERFLOW.sh <4>[ 86.711158] Backtrace: <4>[ 86.715178] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.723019] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 86.728952] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.736537] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.743769] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 <4>[ 86.751785] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.759535] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c6a48000 <4>[ 86.765466] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 86.774695] r9:c1ad582c r8:c15ebd4c r7:c6a49f60 r6:00000016 r5:c68a1000 r4:c6a48000 <4>[ 86.782713] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 86.792643] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 86.803004] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.812400] r4:0000002c <4>[ 86.815205] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.823484] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.831670] r9:c6a49f60 r8:c52c2180 r7:00000016 r6:b6eb2000 r5:c5a4ca00 r4:c0c57404 <4>[ 86.839689] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.847788] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6eb2000 r5:c5a4ca00 r4:00000000 <4>[ 86.855800] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.863205] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c6a48000 r5:c5a4ca00 <4>[ 86.871298] r4:c5a4ca00 <4>[ 86.874102] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.881507] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:00000016 r4:00000016 <4>[ 86.889523] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.897358] Exception stack(0xc6a49fa8 to 0xc6a49ff0) <4>[ 86.902681] 9fa0: 00000016 00000016 00000001 b6eb2000 00000016 00000000 <4>[ 86.911129] 9fc0: 00000016 00000016 b6ff9e00 00000004 00000001 00000000 00020000 be91cac4 <4>[ 86.919573] 9fe0: 00000004 be91c7f8 b6f63d8f b6eea7e6 <4>[ 86.924951] irq event stamp: 0 <4>[ 86.928284] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.934162] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.941927] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.949735] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.955618] ---[ end trace 77811b8548b6e2fc ]--- <6>[ 86.960510] lkdtm: Overflow detected: saturated # [ 86.607815] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 86.614802] lkdtm: attempting good refcount_add() without overflow # [ 86.624036] lkdtm: attempting bad refcount_add() overflow # [ 86.632592] ------------[ cut here ]------------ # [ 86.640335] WARNING: CPU: 3 PID: 2693 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.651842] refcount_t: saturated; leaking memory. # [ 86.659762] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.691737] CPU: 3 PID: 2693 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 86.702549] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.711158] Backtrace: # [ 86.715178] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.723019] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.728952] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.736537] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.743769] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 # [ 86.751785] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.759535] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c6a48000 # [ 86.765466] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.774695] r9:c1ad582c r8:c15ebd4c r7:c6a49f60 r6:00000016 r5:c68a1000 r4:c6a48000 # [ 86.782713] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.792643] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 86.803004] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.812400] r4:0000002c # [ 86.815205] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.823484] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.831670] r9:c6a49f60 r8:c52c2180 r7:00000016 r6:b6eb2000 r5:c5a4ca00 r4:c0c57404 # [ 86.839689] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.847788] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6eb2000 r5:c5a4ca00 r4:00000000 # [ 86.855800] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.863205] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c6a48000 r5:c5a4ca00 # [ 86.871298] r4:c5a4ca00 # [ 86.874102] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.881507] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:00000016 r4:00000016 # [ 86.889523] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.897358] Exception stack(0xc6a49fa8 to 0xc6a49ff0) # [ 86.902681] 9fa0: 00000016 00000016 00000001 b6eb2000 00000016 00000000 # [ 86.911129] 9fc0: 00000016 00000016 b6ff9e00 00000004 00000001 00000000 00020000 be91cac4 # [ 86.919573] 9fe0: 00000004 be91c7f8 b6f63d8f b6eea7e6 # [ 86.924951] irq event stamp: 0 # [ 86.928284] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.934162] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.941927] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.949735] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.955618] ---[ end trace 77811b8548b6e2fc ]--- # [ 86.960510] l<6>[ 87.375662] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW kdtm: Overflow detected: saturate<6>[ 87.385195] lkdtm: attempting bad refcount_inc_not_zero() overflow d # REFCOUNT_ADD_OVERFLOW: missi<4>[ 87.394441] ------------[ cut here ]------------ ng 'call trace:': [FAIL] not ok <4>[ 87.402174] WARNING: CPU: 3 PID: 2728 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 43 selftests: lkdtm: REFCOUNT_ADD<4>[ 87.413695] refcount_t: saturated; leaking memory. _OVERFLOW.sh # exit=1 # selftest<4>[ 87.421599] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 s: lkdtm: REFCOUNT_INC_NOT_ZERO_O<4>[ 87.453595] CPU: 3 PID: 2728 Comm: cat Tainted: G D W 5.10.201-cip41 #1 VERFLOW.sh < 4>[ 87.464420] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.472246] Backtrace: <4>[ 87.474976] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.482815] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 87.488746] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.496332] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.503567] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 <4>[ 87.511581] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.519331] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6a48000 <4>[ 87.525261] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 87.534488] r9:c1ad5844 r8:c15ebd4c r7:c6a49f60 r6:0000001f r5:c68a1000 r4:7fffffff <4>[ 87.542505] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 87.553211] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 87.565126] r5:c68a1000 r4:c6a48000 <4>[ 87.568977] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.579155] r4:0000002d <4>[ 87.581959] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.590237] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.598423] r9:c6a49f60 r8:c52c2180 r7:0000001f r6:b6e1b000 r5:c6867680 r4:c0c57404 <4>[ 87.606442] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.614541] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6e1b000 r5:c6867680 r4:00000000 <4>[ 87.622556] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.629961] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c6a48000 r5:c6867680 <4>[ 87.638054] r4:c6867680 <4>[ 87.640858] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.648262] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000001f r4:0000001f <4>[ 87.656275] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.664111] Exception stack(0xc6a49fa8 to 0xc6a49ff0) <4>[ 87.669435] 9fa0: 0000001f 0000001f 00000001 b6e1b000 0000001f 00000000 <4>[ 87.677881] 9fc0: 0000001f 0000001f b6f62e00 00000004 00000001 00000000 00020000 befcaac4 <4>[ 87.686325] 9fe0: 00000004 befca7f8 b6eccd8f b6e537e6 <4>[ 87.691712] irq event stamp: 0 <4>[ 87.695064] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.700914] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.708707] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.716498] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.722379] ---[ end trace 77811b8548b6e2fd ]--- <6>[ 87.727271] lkdtm: Overflow detected: saturated # [ 87.375662] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 87.385195] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 87.394441] ------------[ cut here ]------------ # [ 87.402174] WARNING: CPU: 3 PID: 2728 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.413695] refcount_t: saturated; leaking memory. # [ 87.421599] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.453595] CPU: 3 PID: 2728 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 87.464420] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.472246] Backtrace: # [ 87.474976] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.482815] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.488746] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.496332] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.503567] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 # [ 87.511581] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.519331] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6a48000 # [ 87.525261] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.534488] r9:c1ad5844 r8:c15ebd4c r7:c6a49f60 r6:0000001f r5:c68a1000 r4:7fffffff # [ 87.542505] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.553211] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.565126] r5:c68a1000 r4:c6a48000 # [ 87.568977] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.579155] r4:0000002d # [ 87.581959] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.590237] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.598423] r9:c6a49f60 r8:c52c2180 r7:0000001f r6:b6e1b000 r5:c6867680 r4:c0c57404 # [ 87.606442] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.614541] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6e1b000 r5:c6867680 r4:00000000 # [ 87.622556] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.629961] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c6a48000 r5:c6867680 # [ 87.638054] r4:c6867680 # [ 87.640858] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.648262] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000001f r4:0000001f # [ 87.656275] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.664111] Exception stack(0xc6a49fa8 to 0xc6a49ff0) # [ 87.669435] 9fa0: 0000001f 0000001f 00000001 b6e1b000 0000001f 00000000 # [ 87.677881] 9fc0: 0000001f 0000001f b6f62e00 00000004 00000001 00000000 00020000 befcaac4 # [ 87.686325] 9fe0: 00000004 befca7f8 b6eccd8f b6e537e6 # [ 87.691712] irq event stamp: 0 # [ 87.695064] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.700914] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.708707] softirqs last enabled at (0): [] copy_process+0x5f8/0x1d<6>[ 88.134976] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ac # [ 87.716498] softirqs las<6>[ 88.144207] lkdtm: attempting bad refcount_add_not_zero() overflow t disabled at (0): [<00000000>] 0<4>[ 88.153508] ------------[ cut here ]------------ x0 # [ 87.722379] ---[ end tra<4>[ 88.161205] WARNING: CPU: 2 PID: 2763 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ce 77811b8548b6e2fd ]--- # [ 8<4>[ 88.172795] refcount_t: saturated; leaking memory. 7.727271] lkdtm: Overflow detecte<4>[ 88.180666] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 d: saturated # REFCOUNT_INC_NOT_<4>[ 88.212723] CPU: 2 PID: 2763 Comm: cat Tainted: G D W 5.10.201-cip41 #1 ZERO_OVERFL[: m i8s8s.i2n23491] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 'call trace:': [FAI [ n o8.232099] Backtrace: t ok 44 selftests: lkdtm: REC 88.236987] [] (dump_backtrace) from [] (show_stack+0x20/0x24) OUNT_INC_NOT_ZE_[O V E R8F8L247323] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 OW.sh # exit=1 # selftt[s : 88.255243] [] (show_stack) from [] (dump_stack+0xe0/0x100) lkdtm: REFCOUNT_ADD_NOT_ZO[ 88.265156] [] (dump_stack) from [] (__warn+0x98/0x14c) OVERFLOW.sh <4>[ 88.274887] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 <4>[ 88.284019] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.291769] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6962000 <4>[ 88.297701] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 88.306929] r9:c1ad5864 r8:c15ebd4c r7:c6963f60 r6:0000001f r5:c5a65000 r4:7fffffff <4>[ 88.314949] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 88.325656] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 88.337571] r5:c5a65000 r4:c6962000 <4>[ 88.341421] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.351600] r4:0000002e <4>[ 88.354402] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.362681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.370866] r9:c6963f60 r8:c52c2180 r7:0000001f r6:b6e85000 r5:c6c06dc0 r4:c0c57404 <4>[ 88.378885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.386984] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6e85000 r5:c6c06dc0 r4:00000000 <4>[ 88.394996] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.402400] r10:00000004 r9:00000000 r8:00000000 r7:b6e85000 r6:c6962000 r5:c6c06dc0 <4>[ 88.410494] r4:c6c06dc0 <4>[ 88.413297] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.420702] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6fcce00 r5:0000001f r4:0000001f <4>[ 88.428718] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.436555] Exception stack(0xc6963fa8 to 0xc6963ff0) <4>[ 88.441875] 3fa0: 0000001f 0000001f 00000001 b6e85000 0000001f 00000000 <4>[ 88.450321] 3fc0: 0000001f 0000001f b6fcce00 00000004 00000001 00000000 00020000 be8d1ac4 <4>[ 88.458765] 3fe0: 00000004 be8d17f8 b6f36d8f b6ebd7e6 <4>[ 88.464138] irq event stamp: 0 <4>[ 88.467470] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.473345] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.481145] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.488985] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.494879] ---[ end trace 77811b8548b6e2fe ]--- <6>[ 88.499771] lkdtm: Overflow detected: saturated # [ 88.134976] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 88.144207] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 88.153508] ------------[ cut here ]------------ # [ 88.161205] WARNING: CPU: 2 PID: 2763 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.172795] refcount_t: saturated; leaking memory. # [ 88.180666] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.212723] CPU: 2 PID: 2763 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 88.223491] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.232099] Backtrace: # [ 88.236987] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.247323] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.255243] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.265156] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.274887] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 # [ 88.284019] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.291769] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6962000 # [ 88.297701] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.306929] r9:c1ad5864 r8:c15ebd4c r7:c6963f60 r6:0000001f r5:c5a65000 r4:7fffffff # [ 88.314949] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.325656] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 88.337571] r5:c5a65000 r4:c6962000 # [ 88.341421] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.351600] r4:0000002e # [ 88.354402] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.362681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.370866] r9:c6963f60 r8:c52c2180 r7:0000001f r6:b6e85000 r5:c6c06dc0 r4:c0c57404 # [ 88.378885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.386984] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6e85000 r5:c6c06dc0 r4:00000000 # [ 88.394996] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.402400] r10:00000004 r9:00000000 r8:00000000 r7:b6e85000 r6:c6962000 r5:c6c06dc0 # [ 88.410494] r4:c6c06dc0 # [ 88.413297] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.420702] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6fcce00 r5:0000001f r4:0000001f # [ 88.428718] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.436555] Exception stack(0xc6963fa8 to 0xc6963ff0) # [ 88.441875] 3fa0: 0000001f 0000001f 00000001 b6e85000 0000001f 00000000 # [ 88.450321] 3fc0: 0000001f 0000001f b6fcce00 00000004 00000001 00000000 00020000 be8d1ac4 # [ 88.458765] 3fe0: 00000004 be8d17f8 b6f36d8f b6ebd7e6 # [ 88.464138] irq event stamp: 0 # [ 88.467470] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.473345] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.481145] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.488985] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.494879] --<6>[ 88.912381] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO -[ end trace 7781<16b>8[5 4 8 b86.919204] lkdtm: attempting good refcount_dec() e2fe ]--- # [ 88.499771] lkdtm<6>[ 88.926323] lkdtm: attempting bad refcount_dec() to zero : Overflow detected: saturated #<4>[ 88.934741] ------------[ cut here ]------------ REFCOUNT_ADD_NOT_ZERO_OVERFLOW: <4>[ 88.942480] WARNING: CPU: 1 PID: 2798 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 missing 'call trace:': [FAIL] no<4>[ 88.954071] refcount_t: decrement hit 0; leaking memory. t ok 45 selftests: lkdtm: REFCOUN<4>[ 88.962464] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 T_ADD_NOT_ZERO_OVERFLOW.sh # exit<4>[ 88.994439] CPU: 1 PID: 2798 Comm: cat Tainted: G D W 5.10.201-cip41 #1 =1 # selftest [l k d t8m9:.005256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) REFCOUNT_DEC_ZERs[h 89.014036] Backtrace: <4>[ 89.018662] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.026502] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.032434] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.040018] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.047249] r9:00000009 r8:c0874da8 r7:0000001f r6:00000009 r5:c0874da8 r4:c1a29960 <4>[ 89.055262] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.063013] r7:0000001f r6:c1a29960 r5:c1a299c4 r4:c6a5c000 <4>[ 89.068946] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 89.078174] r9:c1ad5884 r8:c15ebd4c r7:c6a5df60 r6:00000012 r5:c6be5000 r4:c6a5c000 <4>[ 89.086191] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 89.096116] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 89.106129] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.115179] r4:0000002f <4>[ 89.117982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.126259] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.134446] r9:c6a5df60 r8:c52c2180 r7:00000012 r6:b6e1e000 r5:c5a32780 r4:c0c57404 <4>[ 89.142465] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.150564] r9:c07e1394 r8:c6a5df60 r7:c2815800 r6:b6e1e000 r5:c5a32780 r4:00000000 <4>[ 89.158577] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.165981] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c6a5c000 r5:c5a32780 <4>[ 89.174075] r4:c5a32780 <4>[ 89.176878] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.184283] r9:c6a5c000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000012 r4:00000012 <4>[ 89.192300] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.200135] Exception stack(0xc6a5dfa8 to 0xc6a5dff0) <4>[ 89.205458] dfa0: 00000012 00000012 00000001 b6e1e000 00000012 00000000 <4>[ 89.213905] dfc0: 00000012 00000012 b6f65e00 00000004 00000001 00000000 00020000 be9d6ac4 <4>[ 89.222350] dfe0: 00000004 be9d67f8 b6ecfd8f b6e567e6 <4>[ 89.227705] irq event stamp: 0 <4>[ 89.231038] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.236920] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.244742] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.252570] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.258447] ---[ end trace 77811b8548b6e2ff ]--- <6>[ 89.263382] lkdtm: Zero detected: saturated # [ 88.912381] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 88.919204] lkdtm: attempting good refcount_dec() # [ 88.926323] lkdtm: attempting bad refcount_dec() to zero # [ 88.934741] ------------[ cut here ]------------ # [ 88.942480] WARNING: CPU: 1 PID: 2798 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 88.954071] refcount_t: decrement hit 0; leaking memory. # [ 88.962464] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.994439] CPU: 1 PID: 2798 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 89.005256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.014036] Backtrace: # [ 89.018662] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.026502] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.032434] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.040018] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.047249] r9:00000009 r8:c0874da8 r7:0000001f r6:00000009 r5:c0874da8 r4:c1a29960 # [ 89.055262] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.063013] r7:0000001f r6:c1a29960 r5:c1a299c4 r4:c6a5c000 # [ 89.068946] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.078174] r9:c1ad5884 r8:c15ebd4c r7:c6a5df60 r6:00000012 r5:c6be5000 r4:c6a5c000 # [ 89.086191] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.096116] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 89.106129] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.115179] r4:0000002f # [ 89.117982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.126259] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.134446] r9:c6a5df60 r8:c52c2180 r7:00000012 r6:b6e1e000 r5:c5a32780 r4:c0c57404 # [ 89.142465] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.150564] r9:c07e1394 r8:c6a5df60 r7:c2815800 r6:b6e1e000 r5:c5a32780 r4:00000000 # [ 89.158577] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.165981] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c6a5c000 r5:c5a32780 # [ 89.174075] r4:c5a32780 # [ 89.176878] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.184283] r9:c6a5c000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000012 r4:00000012 # [ 89.192300] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.200135] Exception stack(0xc6a5dfa8 to 0xc6a5dff0) # [ 89.205458] dfa0: 00000012 00000012 00000001 b6e1e000 00000012 00000000 # [ 89.213905] dfc0: 00000012 00000012 b6f65e00 00000004 00000001 00000000 00020000 be9d6ac4 # [ 89.222350] dfe0: 00000004 be9d67f8 b6ecfd8f b6e567e6 # [ 89.227705] irq event stamp: 0 # [ 89.231038] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.236920] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.244742] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.252570] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.258447] ---[ end trace 77811b8548b6e2ff ]--- # [ 89.263382] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: <6>[ 89.688116] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE REFCOUNT_DEC_ZERO.sh # exit=1 # <6>[ 89.696461] lkdtm: attempting bad refcount_dec() below zero selftests: lkdtm: REFCOUNT_DEC_NE<4>[ 89.705185] ------------[ cut here ]------------ GATIVE.sh <4>[ 89.713023] WARNING: CPU: 0 PID: 2836 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 89.722610] refcount_t: decrement hit 0; leaking memory. <4>[ 89.728194] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.757691] CPU: 0 PID: 2836 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 89.765702] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.772498] Backtrace: <4>[ 89.775228] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.783067] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.789000] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.796585] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.803817] r9:00000009 r8:c0874da8 r7:0000001f r6:00000009 r5:c0874da8 r4:c1a29960 <4>[ 89.811833] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.819583] r7:0000001f r6:c1a29960 r5:c1a299c4 r4:c6964000 <4>[ 89.825514] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 89.834743] r9:c1ad5898 r8:c15ebd4c r7:c6965f60 r6:00000016 r5:00000000 r4:c6964000 <4>[ 89.842761] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 89.852689] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 89.863051] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.872449] r5:c6c53000 r4:00000030 <4>[ 89.876294] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.884572] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.892758] r9:c6965f60 r8:c52c2180 r7:00000016 r6:b6e2d000 r5:c5a9d540 r4:c0c57404 <4>[ 89.900777] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.908875] r9:c07e1394 r8:c6965f60 r7:c2815800 r6:b6e2d000 r5:c5a9d540 r4:00000000 <4>[ 89.916888] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.924292] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c6964000 r5:c5a9d540 <4>[ 89.932386] r4:c5a9d540 <4>[ 89.935190] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.942594] r9:c6964000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000016 r4:00000016 <4>[ 89.950610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.958446] Exception stack(0xc6965fa8 to 0xc6965ff0) <4>[ 89.963767] 5fa0: 00000016 00000016 00000001 b6e2d000 00000016 00000000 <4>[ 89.972213] 5fc0: 00000016 00000016 b6f74e00 00000004 00000001 00000000 00020000 be8f0ac4 <4>[ 89.980658] 5fe0: 00000004 be8f07f8 b6eded8f b6e657e6 <4>[ 89.986012] irq event stamp: 0 <4>[ 89.989363] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.995244] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.003024] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.010778] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.016645] ---[ end trace 77811b8548b6e300 ]--- <6>[ 90.021533] lkdtm: Negative detected: saturated # [ 89.688116] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 89.696461] lkdtm: attempting bad refcount_dec() below zero # [ 89.705185] ------------[ cut here ]------------ # [ 89.713023] WARNING: CPU: 0 PID: 2836 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.722610] refcount_t: decrement hit 0; leaking memory. # [ 89.728194] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.757691] CPU: 0 PID: 2836 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 89.765702] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.772498] Backtrace: # [ 89.775228] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.783067] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.789000] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.796585] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.803817] r9:00000009 r8:c0874da8 r7:0000001f r6:00000009 r5:c0874da8 r4:c1a29960 # [ 89.811833] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.819583] r7:0000001f r6:c1a29960 r5:c1a299c4 r4:c6964000 # [ 89.825514] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.834743] r9:c1ad5898 r8:c15ebd4c r7:c6965f60 r6:00000016 r5:00000000 r4:c6964000 # [ 89.842761] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.852689] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 89.863051] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.872449] r5:c6c53000 r4:00000030 # [ 89.876294] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.884572] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.892758] r9:c6965f60 r8:c52c2180 r7:00000016 r6:b6e2d000 r5:c5a9d540 r4:c0c57404 # [ 89.900777] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.908875] r9:c07e1394 r8:c6965f60 r7:c2815800 r6:b6e2d000 r5:c5a9d540 r4:00000000 # [ 89.916888] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.924292] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c6964000 r5:c5a9d540 # [ 89.932386] r4:c5a9d540 # [ 89.935190] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.942594] r9:c6964000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000016 r4:00000016 # [ 89.950610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.958446] Exception stack(0xc6965fa8 to 0xc6965ff0) # [ 89.963767] 5fa0: 00000016 00000016 00000001 b6e2d000 00000016 00000000 # [ 89.972213] 5fc0: 00000016 00000016 b6f74e00 00000004 00000001 00000000 00020000 be8f0ac4 # [ 89.980658] 5fe0: 00000004 be8f07f8 b6eded8f b6e657e6 # [ 89.986012] irq event stamp: 0 # [ 89.989363] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.995244] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.003024] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.010778] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.016645] ---[ end trace 77811b8548b6e300 ]--- # [ 90.021533] 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_NEGATI.[s 90.463928] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 90.473443] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 90.480177] ------------[ cut here ]------------ <4>[ 90.485114] WARNING: CPU: 3 PID: 2872 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 90.493954] refcount_t: underflow; use-after-free. <4>[ 90.499017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.528432] CPU: 3 PID: 2872 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 90.536444] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.543237] Backtrace: <4>[ 90.545966] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.553806] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 90.559737] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.567321] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.574552] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 <4>[ 90.582565] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.590315] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c5fa4000 <4>[ 90.596249] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 90.605563] r9:c1ad58b0 r8:c15ebd4c r7:c5fa5f60 r6:0000001f r5:00000000 r4:c5fa4000 <4>[ 90.613583] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 90.624292] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 90.636213] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.646392] r5:c68a1000 r4:00000031 <4>[ 90.650238] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.658518] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.666703] r9:c5fa5f60 r8:c52c2180 r7:0000001f r6:b6e28000 r5:c692a000 r4:c0c57404 <4>[ 90.674722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.682821] r9:c07e1394 r8:c5fa5f60 r7:c2815800 r6:b6e28000 r5:c692a000 r4:00000000 <4>[ 90.690833] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.698238] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5fa4000 r5:c692a000 <4>[ 90.706331] r4:c692a000 <4>[ 90.709134] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.716539] r9:c5fa4000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:0000001f r4:0000001f <4>[ 90.724554] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.732391] Exception stack(0xc5fa5fa8 to 0xc5fa5ff0) <4>[ 90.737713] 5fa0: 0000001f 0000001f 00000001 b6e28000 0000001f 00000000 <4>[ 90.746160] 5fc0: 0000001f 0000001f b6f6fe00 00000004 00000001 00000000 00020000 bed8bac4 <4>[ 90.754605] 5fe0: 00000004 bed8b7f8 b6ed9d8f b6e607e6 <4>[ 90.759986] irq event stamp: 0 <4>[ 90.763340] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.769191] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.776999] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.784808] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.790662] ---[ end trace 77811b8548b6e301 ]--- <6>[ 90.795641] lkdtm: Negative detected: saturated # [ 90.463928] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 90.473443] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 90.480177] ------------[ cut here ]------------ # [ 90.485114] WARNING: CPU: 3 PID: 2872 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.493954] refcount_t: underflow; use-after-free. # [ 90.499017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.528432] CPU: 3 PID: 2872 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 90.536444] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.543237] Backtrace: # [ 90.545966] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.553806] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 90.559737] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.567321] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.574552] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 # [ 90.582565] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.590315] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c5fa4000 # [ 90.596249] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.605563] r9:c1ad58b0 r8:c15ebd4c r7:c5fa5f60 r6:0000001f r5:00000000 r4:c5fa4000 # [ 90.613583] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.624292] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 90.636213] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.646392] r5:c68a1000 r4:00000031 # [ 90.650238] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.658518] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.666703] r9:c5fa5f60 r8:c52c2180 r7:0000001f r6:b6e28000 r5:c692a000 r4:c0c57404 # [ 90.674722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.682821] r9:c07e1394 r8:c5fa5f60 r7:c2815800 r6:b6e28000 r5:c692a000 r4:00000000 # [ 90.690833] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.698238] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5fa4000 r5:c692a000 # [ 90.706331] r4:c692a000 # [ 90.709134] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.716539] r9:c5fa4000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:0000001f r4:0000001f # [ 90.724554] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.732391] Exception stack(0xc5fa5fa8 to 0xc5fa5ff0) # [ 90.737713] 5fa0: 0000001f 0000001f 00000001 b6e28000 0000001f 00000000 # [ 90.746160] 5fc0: 0000001f 0000001f b6f6fe00 00000004 00000001 00000000 00020000 bed8bac4 # [ 90.754605] 5fe0: 00000004 bed8b7f8 b6ed9d8f b6e607e6 # [ 90.759986] irq event stamp: 0 # [ 90.763340] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.769191] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.776999] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.784808] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.790662] ---[ end trace 77811b8548b6e301 ]--- # [ 90.795641] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TES<6>[ 91.228559] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE T_NEGATIVE.sh # selftests: lkdtm<6>[ 91.237267] lkdtm: attempting bad refcount_sub_and_test() below zero : REFCOUNT_SUB_AND_TEST_NEGATIVE.<4>[ 91.246749] ------------[ cut here ]------------ sh <4>[ 91.254490] WARNING: CPU: 1 PID: 2908 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 91.263580] refcount_t: underflow; use-after-free. <4>[ 91.268646] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.298156] CPU: 1 PID: 2908 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 91.306170] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.312968] Backtrace: <4>[ 91.315705] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.323549] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.329486] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.337078] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.344315] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 <4>[ 91.352332] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.360085] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c59aa000 <4>[ 91.366022] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 91.375341] r9:c1ad58d0 r8:c15ebd4c r7:c59abf60 r6:0000001f r5:c5de6000 r4:c59aa000 <4>[ 91.383365] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 91.394081] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 91.406009] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.416190] r4:00000032 <4>[ 91.418998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.427282] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.435473] r9:c59abf60 r8:c52c2180 r7:0000001f r6:b6de8000 r5:c5a32c80 r4:c0c57404 <4>[ 91.443497] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.451599] r9:c07e1394 r8:c59abf60 r7:c2815800 r6:b6de8000 r5:c5a32c80 r4:00000000 <4>[ 91.459617] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.467024] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c59aa000 r5:c5a32c80 <4>[ 91.475120] r4:c5a32c80 <4>[ 91.477929] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.485337] r9:c59aa000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000001f r4:0000001f <4>[ 91.493356] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.501194] Exception stack(0xc59abfa8 to 0xc59abff0) <4>[ 91.506520] bfa0: 0000001f 0000001f 00000001 b6de8000 0000001f 00000000 <4>[ 91.514973] bfc0: 0000001f 0000001f b6f2fe00 00000004 00000001 00000000 00020000 bed9aac4 <4>[ 91.523420] bfe0: 00000004 bed9a7f8 b6e99d8f b6e207e6 <4>[ 91.528816] irq event stamp: 0 <4>[ 91.532182] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.538044] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.545878] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.553700] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.559555] ---[ end trace 77811b8548b6e302 ]--- <6>[ 91.564503] lkdtm: Negative detected: saturated # [ 91.228559] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 91.237267] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 91.246749] ------------[ cut here ]------------ # [ 91.254490] WARNING: CPU: 1 PID: 2908 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.263580] refcount_t: underflow; use-after-free. # [ 91.268646] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.298156] CPU: 1 PID: 2908 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 91.306170] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.312968] Backtrace: # [ 91.315705] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.323549] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.329486] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.337078] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.344315] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 # [ 91.352332] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.360085] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c59aa000 # [ 91.366022] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.375341] r9:c1ad58d0 r8:c15ebd4c r7:c59abf60 r6:0000001f r5:c5de6000 r4:c59aa000 # [ 91.383365] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.394081] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 91.406009] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.416190] r4:00000032 # [ 91.418998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.427282] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.435473] r9:c59abf60 r8:c52c2180 r7:0000001f r6:b6de8000 r5:c5a32c80 r4:c0c57404 # [ 91.443497] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.451599] r9:c07e1394 r8:c59abf60 r7:c2815800 r6:b6de8000 r5:c5a32c80 r4:00000000 # [ 91.459617] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.467024] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c59aa000 r5:c5a32c80 # [ 91.475120] r4:c5a32c80 # [ 91.477929] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.485337] r9:c59aa000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000001f r4:0000001f # [ 91.493356] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.501194] Exception stack(0xc59abfa8 to 0xc59abff0) # [ 91.506520] bfa0: 0000001f 0000001f 00000001 b6de8000 0000001f 00000000 # [ 91.514973] bfc0: 0000001f 0000001f b6f2fe00 00000004 00000001 00000000 00020000 bed9aac4 # [ 91.523420] bfe0: 00000004 bed9a7f8 b6e99d8f b6e207e6 # [ 91.528816] irq event stamp: 0 # [ 91.532182] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.538044] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.545878] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.553700] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.559555] ---[ end trace 77811b8548b6e302 ]--- # [ 91.564503] 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>[ 92.012985] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 92.018926] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 92.025740] lkdtm: Good: zero detected <6>[ 92.029791] lkdtm: Correctly stayed at zero <6>[ 92.034309] lkdtm: attempting bad refcount_inc() from zero <4>[ 92.040072] ------------[ cut here ]------------ <4>[ 92.045095] WARNING: CPU: 1 PID: 2941 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 92.053942] refcount_t: addition on 0; use-after-free. <4>[ 92.059351] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.088778] CPU: 1 PID: 2941 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 92.096790] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.103582] Backtrace: <4>[ 92.106310] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.114151] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.120083] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.127668] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.134902] r9:00000009 r8:c0874e44 r7:00000019 r6:00000009 r5:c0874e44 r4:c1a29960 <4>[ 92.142915] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.150666] r7:00000019 r6:c1a29960 r5:c1a29970 r4:c68b2000 <4>[ 92.156596] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 92.165911] r9:c1ad58f0 r8:c15ebd4c r7:c68b3f60 r6:00000012 r5:00000000 r4:c68b2000 <4>[ 92.173929] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 92.183859] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 92.193870] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.202923] r5:c6be5000 r4:00000033 <4>[ 92.206767] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.215047] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.223232] r9:c68b3f60 r8:c52c2180 r7:00000012 r6:b6e99000 r5:c692cb40 r4:c0c57404 <4>[ 92.231251] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.239350] r9:c07e1394 r8:c68b3f60 r7:c2815800 r6:b6e99000 r5:c692cb40 r4:00000000 <4>[ 92.247363] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.254767] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c68b2000 r5:c692cb40 <4>[ 92.262860] r4:c692cb40 <4>[ 92.265664] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.273069] r9:c68b2000 r8:c03002e4 r7:00000004 r6:b6fe0e00 r5:00000012 r4:00000012 <4>[ 92.281084] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.288920] Exception stack(0xc68b3fa8 to 0xc68b3ff0) <4>[ 92.294241] 3fa0: 00000012 00000012 00000001 b6e99000 00000012 00000000 <4>[ 92.302689] 3fc0: 00000012 00000012 b6fe0e00 00000004 00000001 00000000 00020000 bef78ac4 <4>[ 92.311133] 3fe0: 00000004 bef787f8 b6f4ad8f b6ed17e6 <4>[ 92.316516] irq event stamp: 0 <4>[ 92.319849] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.325732] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.333537] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.341306] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.347221] ---[ end trace 77811b8548b6e303 ]--- <6>[ 92.352145] lkdtm: Zero detected: saturated # [ 92.012985] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 92.018926] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 92.025740] lkdtm: Good: zero detected # [ 92.029791] lkdtm: Correctly stayed at zero # [ 92.034309] lkdtm: attempting bad refcount_inc() from zero # [ 92.040072] ------------[ cut here ]------------ # [ 92.045095] WARNING: CPU: 1 PID: 2941 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 92.053942] refcount_t: addition on 0; use-after-free. # [ 92.059351] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.088778] CPU: 1 PID: 2941 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 92.096790] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.103582] Backtrace: # [ 92.106310] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.114151] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.120083] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.127668] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.134902] r9:00000009 r8:c0874e44 r7:00000019 r6:00000009 r5:c0874e44 r4:c1a29960 # [ 92.142915] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.150666] r7:00000019 r6:c1a29960 r5:c1a29970 r4:c68b2000 # [ 92.156596] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.165911] r9:c1ad58f0 r8:c15ebd4c r7:c68b3f60 r6:00000012 r5:00000000 r4:c68b2000 # [ 92.173929] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.183859] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 92.193870] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.202923] r5:c6be5000 r4:00000033 # [ 92.206767] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.215047] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.223232] r9:c68b3f60 r8:c52c2180 r7:00000012 r6:b6e99000 r5:c692cb40 r4:c0c57404 # [ 92.231251] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.239350] r9:c07e1394 r8:c68b3f60 r7:c2815800 r6:b6e99000 r5:c692cb40 r4:00000000 # [ 92.247363] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.254767] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c68b2000 r5:c692cb40 # [ 92.262860] r4:c692cb40 # [ 92.265664] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.273069] r9:c68b2000 r8:c03002e4 r7:00000004 r6:b6fe0e00 r5:00000012 r4:00000012 # [ 92.281084] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.288920] Exception stack(0xc68b3fa8 to 0xc68b3ff0) # [ 92.294241] 3fa0: 00000012 00000012 00000001 b6e99000 00000012 00000000 # [ 92.302689] 3fc0: 00000012 00000012 b6fe0e00 00000004 00000001 00000000 00020000 bef78ac4 # [ 92.311133] 3fe0: 00000004 bef787f8 b6f4ad8f b6ed17e6 # [ 92.316516] irq event stamp: 0 # [ 92.319849] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.325732] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.333537] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.341306] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.347221] ---[ end trace 77811b8548b6e303 ]--- # [ 92.352145] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT<6>[ 92.800081] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO _ADD_ZERO.sh <6>[ 92.807954] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 92.815803] lkdtm: Good: zero detected <6>[ 92.819825] lkdtm: Correctly stayed at zero <6>[ 92.824315] lkdtm: attempting bad refcount_add() from zero <4>[ 92.830074] ------------[ cut here ]------------ <4>[ 92.835010] WARNING: CPU: 0 PID: 2976 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 92.843914] refcount_t: addition on 0; use-after-free. <4>[ 92.849325] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.878745] CPU: 0 PID: 2976 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 92.886757] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.893550] Backtrace: <4>[ 92.896282] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.904122] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.910056] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.917641] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.924872] r9:00000009 r8:c0874e44 r7:00000019 r6:00000009 r5:c0874e44 r4:c1a29960 <4>[ 92.932885] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.940635] r7:00000019 r6:c1a29960 r5:c1a29970 r4:c6a5c000 <4>[ 92.946568] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 92.955882] r9:c1ad5904 r8:c15ebd4c r7:c6a5df60 r6:00000012 r5:00000000 r4:c6a5c000 <4>[ 92.963899] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 92.973826] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 92.983837] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.992888] r5:c6ba0000 r4:00000034 <4>[ 92.996732] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.005011] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.013197] r9:c6a5df60 r8:c52c2180 r7:00000012 r6:b6e3d000 r5:c699bcc0 r4:c0c57404 <4>[ 93.021216] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.029315] r9:c07e1394 r8:c6a5df60 r7:c2815800 r6:b6e3d000 r5:c699bcc0 r4:00000000 <4>[ 93.037326] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.044732] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6a5c000 r5:c699bcc0 <4>[ 93.052825] r4:c699bcc0 <4>[ 93.055629] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.063032] r9:c6a5c000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000012 r4:00000012 <4>[ 93.071048] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.078884] Exception stack(0xc6a5dfa8 to 0xc6a5dff0) <4>[ 93.084205] dfa0: 00000012 00000012 00000001 b6e3d000 00000012 00000000 <4>[ 93.092653] dfc0: 00000012 00000012 b6f84e00 00000004 00000001 00000000 00020000 beedaac4 <4>[ 93.101095] dfe0: 00000004 beeda7f8 b6eeed8f b6e757e6 <4>[ 93.106450] irq event stamp: 0 <4>[ 93.109782] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.115665] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.123462] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.131218] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.137143] ---[ end trace 77811b8548b6e304 ]--- <6>[ 93.142064] lkdtm: Zero detected: saturated # [ 92.800081] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 92.807954] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 92.815803] lkdtm: Good: zero detected # [ 92.819825] lkdtm: Correctly stayed at zero # [ 92.824315] lkdtm: attempting bad refcount_add() from zero # [ 92.830074] ------------[ cut here ]------------ # [ 92.835010] WARNING: CPU: 0 PID: 2976 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 92.843914] refcount_t: addition on 0; use-after-free. # [ 92.849325] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.878745] CPU: 0 PID: 2976 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 92.886757] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.893550] Backtrace: # [ 92.896282] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.904122] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.910056] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.917641] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.924872] r9:00000009 r8:c0874e44 r7:00000019 r6:00000009 r5:c0874e44 r4:c1a29960 # [ 92.932885] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.940635] r7:00000019 r6:c1a29960 r5:c1a29970 r4:c6a5c000 # [ 92.946568] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.955882] r9:c1ad5904 r8:c15ebd4c r7:c6a5df60 r6:00000012 r5:00000000 r4:c6a5c000 # [ 92.963899] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.973826] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 92.983837] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.992888] r5:c6ba0000 r4:00000034 # [ 92.996732] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.005011] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.013197] r9:c6a5df60 r8:c52c2180 r7:00000012 r6:b6e3d000 r5:c699bcc0 r4:c0c57404 # [ 93.021216] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.029315] r9:c07e1394 r8:c6a5df60 r7:c2815800 r6:b6e3d000 r5:c699bcc0 r4:00000000 # [ 93.037326] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.044732] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6a5c000 r5:c699bcc0 # [ 93.052825] r4:c699bcc0 # [ 93.055629] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.063032] r9:c6a5c000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000012 r4:00000012 # [ 93.071048] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.078884] Exception stack(0xc6a5dfa8 to 0xc6a5dff0) # [ 93.084205] dfa0: 00000012 00000012 00000001 b6e3d000 00000012 00000000 # [ 93.092653] dfc0: 00000012 00000012 b6f84e00 00000004 00000001 00000000 00020000 beedaac4 # [ 93.101095] dfe0: 00000004 beeda7f8 b6eeed8f b6e757e6 # [ 93.106450] irq event stamp: 0 # [ 93.109782] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.115665] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.123462] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.131218] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.137143] ---[ end trace 77811b8548b6e304 ]--- # [ 93.142064] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=<6>[ 93.599918] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 1 # selftests: lkdtm: REFCOUNT_I<6>[ 93.608675] lkdtm: attempting bad refcount_inc() from saturated NC_SATURATED.sh <4>[ 93.617683] ------------[ cut here ]------------ <4>[ 93.624042] WARNING: CPU: 1 PID: 3014 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 93.632794] refcount_t: saturated; leaking memory. <4>[ 93.637859] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.667270] CPU: 1 PID: 3014 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 93.675283] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.682076] Backtrace: <4>[ 93.684807] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.692647] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 93.698580] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.706166] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.713396] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 <4>[ 93.721411] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.729160] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c6e14000 <4>[ 93.735092] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 93.744320] r9:c1ad5918 r8:c15ebd4c r7:c6e15f60 r6:00000017 r5:c6be5000 r4:c6e14000 <4>[ 93.752338] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 93.762267] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 93.772713] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.782196] r4:00000035 <4>[ 93.785000] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.793278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.801464] r9:c6e15f60 r8:c52c2180 r7:00000017 r6:b6e1a000 r5:c5a32640 r4:c0c57404 <4>[ 93.809484] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.817584] r9:c07e1394 r8:c6e15f60 r7:c2815800 r6:b6e1a000 r5:c5a32640 r4:00000000 <4>[ 93.825596] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.833001] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6e14000 r5:c5a32640 <4>[ 93.841094] r4:c5a32640 <4>[ 93.843898] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.851303] r9:c6e14000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000017 r4:00000017 <4>[ 93.859317] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.867151] Exception stack(0xc6e15fa8 to 0xc6e15ff0) <4>[ 93.872472] 5fa0: 00000017 00000017 00000001 b6e1a000 00000017 00000000 <4>[ 93.880917] 5fc0: 00000017 00000017 b6f61e00 00000004 00000001 00000000 00020000 be92dac4 <4>[ 93.889363] 5fe0: 00000004 be92d7f8 b6ecbd8f b6e527e6 <4>[ 93.894736] irq event stamp: 0 <4>[ 93.898070] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.903946] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.911706] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.919519] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.925409] ---[ end trace 77811b8548b6e305 ]--- <6>[ 93.930305] lkdtm: Saturation detected: still saturated # [ 93.599918] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 93.608675] lkdtm: attempting bad refcount_inc() from saturated # [ 93.617683] ------------[ cut here ]------------ # [ 93.624042] WARNING: CPU: 1 PID: 3014 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 93.632794] refcount_t: saturated; leaking memory. # [ 93.637859] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.667270] CPU: 1 PID: 3014 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 93.675283] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.682076] Backtrace: # [ 93.684807] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.692647] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 93.698580] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.706166] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.713396] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 # [ 93.721411] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.729160] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c6e14000 # [ 93.735092] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 93.744320] r9:c1ad5918 r8:c15ebd4c r7:c6e15f60 r6:00000017 r5:c6be5000 r4:c6e14000 # [ 93.752338] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 93.762267] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 93.772713] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.782196] r4:00000035 # [ 93.785000] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.793278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.801464] r9:c6e15f60 r8:c52c2180 r7:00000017 r6:b6e1a000 r5:c5a32640 r4:c0c57404 # [ 93.809484] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.817584] r9:c07e1394 r8:c6e15f60 r7:c2815800 r6:b6e1a000 r5:c5a32640 r4:00000000 # [ 93.825596] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.833001] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6e14000 r5:c5a32640 # [ 93.841094] r4:c5a32640 # [ 93.843898] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.851303] r9:c6e14000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000017 r4:00000017 # [ 93.859317] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.867151] Exception stack(0xc6e15fa8 to 0xc6e15ff0) # [ 93.872472] 5fa0: 00000017 00000017 00000001 b6e1a000 00000017 00000000 # [ 93.880917] 5fc0: 00000017 00000017 b6f61e00 00000004 00000001 00000000 00020000 be92dac4 # [ 93.889363] 5fe0: 00000004 be92d7f8 b6ecbd8f b6e527e6 # [ 93.894736] irq event stamp: 0 # [ 93.898070] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.903946] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.911706] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.919519] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.925409] ---[ end trace 77811b8548b6e305 ]--- # [ 93.930305] 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>[ 94.375252] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 94.381627] lkdtm: attempting bad refcount_dec() from saturated <4>[ 94.388014] ------------[ cut here ]------------ <4>[ 94.392992] WARNING: CPU: 1 PID: 3050 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 94.401709] refcount_t: decrement hit 0; leaking memory. <4>[ 94.407429] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.437138] CPU: 1 PID: 3050 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 94.445148] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.451941] Backtrace: <4>[ 94.454669] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.462510] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 94.468441] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.476027] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.483259] r9:00000009 r8:c0874da8 r7:0000001f r6:00000009 r5:c0874da8 r4:c1a29960 <4>[ 94.491274] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.499024] r7:0000001f r6:c1a29960 r5:c1a299c4 r4:c2f6a000 <4>[ 94.504957] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 94.514185] r9:c1ad5930 r8:c15ebd4c r7:c2f6bf60 r6:00000017 r5:c6be5000 r4:c2f6a000 <4>[ 94.522203] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 94.532129] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 94.542577] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.552061] r4:00000036 <4>[ 94.554865] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.563143] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.571329] r9:c2f6bf60 r8:c52c2180 r7:00000017 r6:b6e6a000 r5:c699b900 r4:c0c57404 <4>[ 94.579349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.587448] r9:c07e1394 r8:c2f6bf60 r7:c2815800 r6:b6e6a000 r5:c699b900 r4:00000000 <4>[ 94.595460] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.602865] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c2f6a000 r5:c699b900 <4>[ 94.610959] r4:c699b900 <4>[ 94.613763] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.621166] r9:c2f6a000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:00000017 r4:00000017 <4>[ 94.629182] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.637017] Exception stack(0xc2f6bfa8 to 0xc2f6bff0) <4>[ 94.642340] bfa0: 00000017 00000017 00000001 b6e6a000 00000017 00000000 <4>[ 94.650787] bfc0: 00000017 00000017 b6fb1e00 00000004 00000001 00000000 00020000 bedfdac4 <4>[ 94.659231] bfe0: 00000004 bedfd7f8 b6f1bd8f b6ea27e6 <4>[ 94.664606] irq event stamp: 0 <4>[ 94.667940] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.673817] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.681578] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.689386] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.695284] ---[ end trace 77811b8548b6e306 ]--- <6>[ 94.700178] lkdtm: Saturation detected: still saturated # [ 94.375252] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 94.381627] lkdtm: attempting bad refcount_dec() from saturated # [ 94.388014] ------------[ cut here ]------------ # [ 94.392992] WARNING: CPU: 1 PID: 3050 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 94.401709] refcount_t: decrement hit 0; leaking memory. # [ 94.407429] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.437138] CPU: 1 PID: 3050 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 94.445148] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.451941] Backtrace: # [ 94.454669] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.462510] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 94.468441] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.476027] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.483259] r9:00000009 r8:c0874da8 r7:0000001f r6:00000009 r5:c0874da8 r4:c1a29960 # [ 94.491274] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.499024] r7:0000001f r6:c1a29960 r5:c1a299c4 r4:c2f6a000 # [ 94.504957] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 94.514185] r9:c1ad5930 r8:c15ebd4c r7:c2f6bf60 r6:00000017 r5:c6be5000 r4:c2f6a000 # [ 94.522203] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 94.532129] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 94.542577] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.552061] r4:00000036 # [ 94.554865] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.563143] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.571329] r9:c2f6bf60 r8:c52c2180 r7:00000017 r6:b6e6a000 r5:c699b900 r4:c0c57404 # [ 94.579349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.587448] r9:c07e1394 r8:c2f6bf60 r7:c2815800 r6:b6e6a000 r5:c699b900 r4:00000000 # [ 94.595460] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.602865] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c2f6a000 r5:c699b900 # [ 94.610959] r4:c699b900 # [ 94.613763] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.621166] r9:c2f6a000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:00000017 r4:00000017 # [ 94.629182] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.637017] Exception stack(0xc2f6bfa8 to 0xc2f6bff0) # [ 94.642340] bfa0: 00000017 00000017 00000001 b6e6a000 00000017 00000000 # [ 94.650787] bfc0: 00000017 00000017 b6fb1e00 00000004 00000001 00000000 00020000 bedfdac4 # [ 94.659231] bfe0: 00000004 bedfd7f8 b6f1bd8f b6ea27e6 # [ 94.664606] irq event stamp: 0 # [ 94.667940] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.673817] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.681578] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.689386] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.695284] ---[ end trace 77811b8548b6e306 ]--- # [ 94.700178] 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>[ 95.159923] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 95.166353] lkdtm: attempting bad refcount_dec() from saturated <4>[ 95.172647] ------------[ cut here ]------------ <4>[ 95.177581] WARNING: CPU: 3 PID: 3086 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 95.186335] refcount_t: saturated; leaking memory. <4>[ 95.191398] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 95.220816] CPU: 3 PID: 3086 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 95.228827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.235621] Backtrace: <4>[ 95.238349] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.246190] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 95.252122] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.259707] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.266939] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 <4>[ 95.274954] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.282704] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c2dfc000 <4>[ 95.288636] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 95.297863] r9:c1ad5948 r8:c15ebd4c r7:c2dfdf60 r6:00000017 r5:c6bd3000 r4:c2dfc000 <4>[ 95.305881] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 95.315808] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 95.326257] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.335739] r4:00000037 <4>[ 95.338544] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.346822] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.355008] r9:c2dfdf60 r8:c52c2180 r7:00000017 r6:b6e8f000 r5:c5f697c0 r4:c0c57404 <4>[ 95.363028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.371128] r9:c07e1394 r8:c2dfdf60 r7:c2815800 r6:b6e8f000 r5:c5f697c0 r4:00000000 <4>[ 95.379141] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.386546] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c2dfc000 r5:c5f697c0 <4>[ 95.394640] r4:c5f697c0 <4>[ 95.397445] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.404850] r9:c2dfc000 r8:c03002e4 r7:00000004 r6:b6fd6e00 r5:00000017 r4:00000017 <4>[ 95.412865] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.420700] Exception stack(0xc2dfdfa8 to 0xc2dfdff0) <4>[ 95.426023] dfa0: 00000017 00000017 00000001 b6e8f000 00000017 00000000 <4>[ 95.434470] dfc0: 00000017 00000017 b6fd6e00 00000004 00000001 00000000 00020000 bef78ac4 <4>[ 95.442917] dfe0: 00000004 bef787f8 b6f40d8f b6ec77e6 <4>[ 95.448301] irq event stamp: 0 <4>[ 95.451636] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.457512] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.465312] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.473128] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.478993] ---[ end trace 77811b8548b6e307 ]--- <6>[ 95.483944] lkdtm: Saturation detected: still saturated # [ 0.000000] DMA zone: 0 pages reserved # [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 # [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269924/extract-nfsrootfs-z73qi2dp,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 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 56138 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 95.159923] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 95.166353] lkdtm: attempting bad refcount_dec() from saturated # [ 95.172647] ------------[ cut here ]------------ # [ 95.177581] WARNING: CPU: 3 PID: 3086 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 95.186335] refcount_t: saturated; leaking memory. # [ 95.191398] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.220816] CPU: 3 PID: 3086 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 95.228827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.235621] Backtrace: # [ 95.238349] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.246190] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.252122] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.259707] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.266939] r9:00000009 r8:c0874e10 r7:00000016 r6:00000009 r5:c0874e10 r4:c1a29960 # [ 95.274954] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.282704] r7:00000016 r6:c1a29960 r5:c1a29938 r4:c2dfc000 # [ 95.288636] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 95.297863] r9:c1ad5948 r8:c15ebd4c r7:c2dfdf60 r6:00000017 r5:c6bd3000 r4:c2dfc000 # [ 95.305881] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 95.315808] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 95.326257] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.335739] r4:00000037 # [ 95.338544] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.346822] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.355008] r9:c2dfdf60 r8:c52c2180 r7:00000017 r6:b6e8f000 r5:c5f697c0 r4:c0c57404 # [ 95.363028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.371128] r9:c07e1394 r8:c2dfdf60 r7:c2815800 r6:b6e8f000 r5:c5f697c0 r4:00000000 # [ 95.379141] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.386546] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c2dfc000 r5:c5f697c0 # [ 95.394640] r4:c5f697c0 # [ 95.397445] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.<6>[ 95.951578] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 404850] r9:c2dfc000 r8:c03002e4 <6>[ 95.959450] lkdtm: attempting bad refcount_inc_not_zero() from saturated r7:00000004 r6:b6fd6e00 r5:000000<4>[ 95.969359] ------------[ cut here ]------------ 17 r4:00000017 # [ 95.412865] <4>[ 95.977024] WARNING: CPU: 1 PID: 3119 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [] (sys_write) from [[ 95.988564] refcount_t: saturated; leaking memory. 03000c0>] (ret_fast_syscall+0x0/0<4>[ 95.996472] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 x28) # [ 95.420700] Exception <4>[ 96.028440] CPU: 1 PID: 3119 Comm: cat Tainted: G D W 5.10.201-cip41 #1 stack(0xc2d[f a 8 9t6o.0 30267] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) xc2dfdff0) # [ < 49>5[. 4 2 690.047790] Backtrace: 23] dfa0: < 4 >0[ 96.052591] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 000017 00000017 00<040>0[0 0 1 96.062931] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 6e8f000 00000017 0000000<04 > [# 96.071020] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.434470] dfc0: 00000<041>7[ 96.081019] [] (dump_stack) from [] (__warn+0x98/0x14c) 00000017 b6fd6e00< 4>0[0 0 0 0906.090751] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 4 00000001 00000<040>0[ 0 0 0926.100835] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 000 bef78ac4 < 4#> [[ 9965..10659] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6962000 442917] dfe0: 00000<040>4[ b e f6.118492] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) 787f8 b6f40d8f b67[7 e 6 9 .129875] r9:c1ad5960 r8:c15ebd4c r7:c6963f60 r6:00000020 r5:c5ddc000 r4:c0000000 # [ 95.448301] irq evens[t 96.139964] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) amp: 0 # [ 95.451636]< 4>h[a r 96.153087] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) dirqs last< 4 >e[n a b l9e6d. 1a67416] r5:c5ddc000 r4:c6962000 (0): [<00000000>] 0x0 # [< 4 > 96.173084] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) 95.457512<]4 >h[a r d i9r6q.s1 8l848] r4:00000038 ast disabled at (<04)>:[ [ < c90.190382] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 3538f4>] copy_process+0x5/[0 96.200734] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) x1dac # [ 95.<446>5[3 1 2 ]9 6.211331] r9:c6963f60 r8:c52c2180 r7:00000020 r6:b6ea4000 r5:c5a9c8c0 r4:c0c57404 oftirqs last enabled at (0)<:4 >[ 96.221424] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ] copy<_4p>r[o c e s9s6.232107] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6ea4000 r5:c5a9c8c0 r4:00000000 0x5f8/0x1dac # [ 95.473128] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.478993] ---[ end trace 77811b8548b6e307 ]--- # [ 95.483944] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh <4>[ 96.275006] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.282410] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6962000 r5:c5a9c8c0 <4>[ 96.290505] r4:c5a9c8c0 <4>[ 96.293310] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.300716] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:00000020 r4:00000020 <4>[ 96.308731] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.316567] Exception stack(0xc6963fa8 to 0xc6963ff0) <4>[ 96.321891] 3fa0: 00000020 00000020 00000001 b6ea4000 00000020 00000000 <4>[ 96.330337] 3fc0: 00000020 00000020 b6febe00 00000004 00000001 00000000 00020000 be806ac4 <4>[ 96.338780] 3fe0: 00000004 be8067f8 b6f55d8f b6edc7e6 <4>[ 96.344167] irq event stamp: 0 <4>[ 96.347501] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.353381] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.361159] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.368979] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.374885] ---[ end trace 77811b8548b6e308 ]--- <6>[ 96.379783] lkdtm: Saturation detected: still saturated # [ 95.951578] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 95.959450] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 95.969359] ------------[ cut here ]------------ # [ 95.977024] WARNING: CPU: 1 PID: 3119 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 95.988564] refcount_t: saturated; leaking memory. # [ 95.996472] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.028440] CPU: 1 PID: 3119 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 96.039267] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.047790] Backtrace: # [ 96.052591] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.062931] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.071020] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.081019] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.090751] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 # [ 96.100835] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.110659] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6962000 # [ 96.118492] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 96.129875] r9:c1ad5960 r8:c15ebd4c r7:c6963f60 r6:00000020 r5:c5ddc000 r4:c0000000 # [ 96.139964] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 96.153087] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 96.167416] r5:c5ddc000 r4:c6962000 # [ 96.173084] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.185848] r4:00000038 # [ 96.190382] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.200734] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.211331] r9:c6963f60 r8:c52c2180 r7:00000020 r6:b6ea4000 r5:c5a9c8c0 r4:c0c57404 # [ 96.221424] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.232107] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6ea4000 r5:c5a9c8c0 r4:00000000 # [ 96.275006] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.282410] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6962000 r5:c5a9c8c0 # [ 96.290505] r4:c5a9c8c0 # [ 96.293310] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.300716] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:00000020 r4:00000020 # [ 96.308731] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.316567] Exception stack(0xc6963fa8 to 0xc6963ff0) # [ 96.321891] 3fa0: 00000020 00000020 00000001 b6ea4000 00000020 00000000 # [ 96.330337] 3fc0: 00000020 00000020 b6febe00 00000004 00000001 00000000 00020000 be806ac4 # [ 96.338780] 3fe0: 00000004 be8067f8 b6f55d8f b6edc7e6 # [ 96.344167] irq event stamp: 0 # [ 96.347501] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.353381] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.361159] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.368979] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.374885] ---[ end trace 77811b8548b6e308 ]--- # [ 96.379783] 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 # selftes<6>[ 96.833925] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ts: lkdtm: REFCOUNT_ADD_NOT_ZERO_<6>[ 96.842297] lkdtm: attempting bad refcount_add_not_zero() from saturated SATURATED.sh <4>[ 96.852169] ------------[ cut here ]------------ <4>[ 96.858243] WARNING: CPU: 0 PID: 3154 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 96.867010] refcount_t: saturated; leaking memory. <4>[ 96.872123] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 96.901689] CPU: 0 PID: 3154 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 96.909705] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.916500] Backtrace: <4>[ 96.919238] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.927084] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.933024] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.940615] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.947853] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 <4>[ 96.955872] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.963628] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6a48000 <4>[ 96.969565] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 96.978800] r9:c1ad5980 r8:c15ebd4c r7:c6a49f60 r6:00000020 r5:c5d58000 r4:c0000000 <4>[ 96.986825] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 96.997539] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 97.009545] r5:c5d58000 r4:c6a48000 <4>[ 97.013401] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.023670] r4:00000039 <4>[ 97.026478] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.034763] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.042953] r9:c6a49f60 r8:c52c2180 r7:00000020 r6:b6e24000 r5:c692b680 r4:c0c57404 <4>[ 97.050976] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.059080] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6e24000 r5:c692b680 r4:00000000 <4>[ 97.067098] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.074506] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6a48000 r5:c692b680 <4>[ 97.082602] r4:c692b680 <4>[ 97.085411] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.092820] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000020 r4:00000020 <4>[ 97.100842] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.108681] Exception stack(0xc6a49fa8 to 0xc6a49ff0) <4>[ 97.114009] 9fa0: 00000020 00000020 00000001 b6e24000 00000020 00000000 <4>[ 97.122461] 9fc0: 00000020 00000020 b6f6be00 00000004 00000001 00000000 00020000 beef9ac4 <4>[ 97.130910] 9fe0: 00000004 beef97f8 b6ed5d8f b6e5c7e6 <4>[ 97.136281] irq event stamp: 0 <4>[ 97.139619] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.145511] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.153307] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.161068] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.166947] ---[ end trace 77811b8548b6e309 ]--- <6>[ 97.171841] lkdtm: Saturation detected: still saturated # [ 96.833925] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 96.842297] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 96.852169] ------------[ cut here ]------------ # [ 96.858243] WARNING: CPU: 0 PID: 3154 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 96.867010] refcount_t: saturated; leaking memory. # [ 96.872123] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.901689] CPU: 0 PID: 3154 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 96.909705] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.916500] Backtrace: # [ 96.919238] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.927084] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.933024] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.940615] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.947853] r9:00000009 r8:c0874ddc r7:00000013 r6:00000009 r5:c0874ddc r4:c1a29960 # [ 96.955872] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.963628] r7:00000013 r6:c1a29960 r5:c1a29938 r4:c6a48000 # [ 96.969565] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 96.978800] r9:c1ad5980 r8:c15ebd4c r7:c6a49f60 r6:00000020 r5:c5d58000 r4:c0000000 # [ 96.986825] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 96.997539] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 97.009545] r5:c5d58000 r4:c6a48000 # [ 97.013401] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.023670] r4:00000039 # [ 97.026478] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.034763] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.042953] r9:c6a49f60 r8:c52c2180 r7:00000020 r6:b6e24000 r5:c692b680 r4:c0c57404 # [ 97.050976] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.059080] r9:c07e1394 r8:c6a49f60 r7:c2815800 r6:b6e24000 r5:c692b680 r4:00000000 # [ 97.067098] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.074506] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6a48000 r5:c692b680 # [ 97.082602] r4:c692b680 # [ 97.085411] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.092820] r9:c6a48000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000020 r4:00000020 # [ 97.100842] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.108681] Exception stack(0xc6a49fa8 to 0xc6a49ff0) # [ 97.114009] 9fa0: 00000020 00000020 00000001 b6e24000 00000020 00000000 # [ 97.122461] 9fc0: 00000020 00000020 b6f6be00 00000004 00000001 00000000 00020000 beef9ac4 # [ 97.130910] 9fe0: 00000004 beef97f8 b6ed5d8f b6e5c7e6 # [ 97.136281] irq event stamp: 0 # [ 97.139619] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.145511] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.153307] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.161068] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.166947] ---[ end trace 77811b8548b6e309 ]--- # [ 97.171841] 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>[ 97.657824] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 97.665130] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 97.672192] ------------[ cut here ]------------ <4>[ 97.677097] WARNING: CPU: 0 PID: 3192 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 97.685961] refcount_t: underflow; use-after-free. <4>[ 97.691025] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.720531] CPU: 0 PID: 3192 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 97.728544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.735339] Backtrace: <4>[ 97.738068] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.745907] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 97.751838] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.759424] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.766656] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 <4>[ 97.774672] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.782422] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c69b6000 <4>[ 97.788355] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 97.797670] r9:c1ad59a0 r8:c15ebd4c r7:c69b7f60 r6:00000020 r5:c5c64000 r4:c69b6000 <4>[ 97.805689] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 97.816400] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 97.828410] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.838675] r4:0000003a <4>[ 97.841481] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.849758] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.857944] r9:c69b7f60 r8:c52c2180 r7:00000020 r6:b6dfe000 r5:c5e6a000 r4:c0c57404 <4>[ 97.865963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.874062] r9:c07e1394 r8:c69b7f60 r7:c2815800 r6:b6dfe000 r5:c5e6a000 r4:00000000 <4>[ 97.882076] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.889480] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c69b6000 r5:c5e6a000 <4>[ 97.897575] r4:c5e6a000 <4>[ 97.900381] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.907785] r9:c69b6000 r8:c03002e4 r7:00000004 r6:b6f45e00 r5:00000020 r4:00000020 <4>[ 97.915801] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.923638] Exception stack(0xc69b7fa8 to 0xc69b7ff0) <4>[ 97.928961] 7fa0: 00000020 00000020 00000001 b6dfe000 00000020 00000000 <4>[ 97.937407] 7fc0: 00000020 00000020 b6f45e00 00000004 00000001 00000000 00020000 bed06ac4 <4>[ 97.945850] 7fe0: 00000004 bed067f8 b6eafd8f b6e367e6 <4>[ 97.951212] irq event stamp: 0 <4>[ 97.954571] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.960423] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.968249] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.976039] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.981883] ---[ end trace 77811b8548b6e30a ]--- <6>[ 97.986797] lkdtm: Saturation detected: still saturated # [ 97.657824] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 97.665130] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 97.672192] ------------[ cut here ]------------ # [ 97.677097] WARNING: CPU: 0 PID: 3192 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 97.685961] refcount_t: underflow; use-after-free. # [ 97.691025] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.720531] CPU: 0 PID: 3192 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 97.728544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.735339] Backtrace: # [ 97.738068] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.745907] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 97.751838] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.759424] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.766656] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 # [ 97.774672] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.782422] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c69b6000 # [ 97.788355] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.797670] r9:c1ad59a0 r8:c15ebd4c r7:c69b7f60 r6:00000020 r5:c5c64000 r4:c69b6000 # [ 97.805689] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.816400] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 97.828410] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.838675] r4:0000003a # [ 97.841481] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.849758] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.857944] r9:c69b7f60 r8:c52c2180 r7:00000020 r6:b6dfe000 r5:c5e6a000 r4:c0c57404 # [ 97.865963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.874062] r9:c07e1394 r8:c69b7f60 r7:c2815800 r6:b6dfe000 r5:c5e6a000 r4:00000000 # [ 97.882076] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.889480] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c69b6000 r5:c5e6a000 # [ 97.897575] r4:c5e6a000 # [ 97.900381] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.907785] r9:c69b6000 r8:c03002e4 r7:00000004 r6:b6f45e00 r5:00000020 r4:00000020 # [ 97.915801] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.923638] Exception stack(0xc69b7fa8 to 0xc69b7ff0) # [ 97.928961] 7fa0: 00000020 00000020 00000001 b6dfe000 00000020 00000000 # [ 97.937407] 7fc0: 00000020 00000020 b6f45e00 00000004 00000001 00000000 00020000 bed06ac4 # [ 97.945850] 7fe0: 00000004 bed067f8 b6eafd8f b6e367e6 # [ 97.951212] irq event stamp: 0 # [ 97.954571] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.960423] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.968249] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.976039] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.981883] ---[ end trace 77811b8548b6e30a ]--- # [ 97.986797] 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>[ 98.466927] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 98.474141] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 98.481116] ------------[ cut here ]------------ <4>[ 98.486052] WARNING: CPU: 2 PID: 3228 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 98.494888] refcount_t: underflow; use-after-free. <4>[ 98.499951] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 98.529370] CPU: 2 PID: 3228 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 98.537382] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.544175] Backtrace: <4>[ 98.546906] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.554748] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 98.560680] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.568266] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.575497] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 <4>[ 98.583514] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.591269] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c69f4000 <4>[ 98.597203] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 98.606518] r9:c1ad59c0 r8:c15ebd4c r7:c69f5f60 r6:00000020 r5:c6b8f000 r4:c69f4000 <4>[ 98.614538] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 98.625250] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 98.637260] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.647525] r4:0000003b <4>[ 98.650329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.658608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.666795] r9:c69f5f60 r8:c52c2180 r7:00000020 r6:b6e65000 r5:c6923a40 r4:c0c57404 <4>[ 98.674815] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 98.682916] r9:c07e1394 r8:c69f5f60 r7:c2815800 r6:b6e65000 r5:c6923a40 r4:00000000 <4>[ 98.690929] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.698334] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c69f4000 r5:c6923a40 <4>[ 98.706427] r4:c6923a40 <4>[ 98.709232] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.716636] r9:c69f4000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000020 r4:00000020 <4>[ 98.724653] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.732490] Exception stack(0xc69f5fa8 to 0xc69f5ff0) <4>[ 98.737815] 5fa0: 00000020 00000020 00000001 b6e65000 00000020 00000000 <4>[ 98.746264] 5fc0: 00000020 00000020 b6face00 00000004 00000001 00000000 00020000 bec6aac4 <4>[ 98.754710] 5fe0: 00000004 bec6a7f8 b6f16d8f b6e9d7e6 <4>[ 98.760081] irq event stamp: 0 <4>[ 98.763441] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.769298] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 98.777115] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 98.784916] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.790770] ---[ end trace 77811b8548b6e30b ]--- <6>[ 98.795697] lkdtm: Saturation detected: still saturated # [ 98.466927] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 98.474141] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 98.481116] ------------[ cut here ]------------ # [ 98.486052] WARNING: CPU: 2 PID: 3228 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 98.494888] refcount_t: underflow; use-after-free. # [ 98.499951] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes dw_hdmi_imx phy_generic snd_soc_sgtl5000 imx_ldb dw_hdmi snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore parallel_display caam error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.529370] CPU: 2 PID: 3228 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 98.537382] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.544175] Backtrace: # [ 98.546906] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.554748] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 98.560680] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.568266] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.575497] r9:00000009 r8:c0874e78 r7:0000001c r6:00000009 r5:c0874e78 r4:c1a29960 # [ 98.583514] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.591269] r7:0000001c r6:c1a29960 r5:c1a2999c r4:c69f4000 # [ 98.597203] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 98.606518] r9:c1ad59c0 r8:c15ebd4c r7:c69f5f60 r6:00000020 r5:c6b8f000 r4:c69f4000 # [ 98.614538] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 98.625250] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 98.637260] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.647525] r4:0000003b # [ 98.650329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.658608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.666795] r9:c69f5f60 r8:c52c2180 r7:00000020 r6:b6e65000 r5:c6923a40 r4:c0c57404 # [ 98.674815] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.682916] r9:c07e1394 r8:c69f5f60 r7:c2815800 r6:b6e65000 r5:c6923a40 r4:00000000 # [ 98.690929] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.698334] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c69f4000 r5:c6923a40 # [ 98.706427] r4:c6923a40 # [ 98.709232] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.716636] r9:c69f4000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000020 r4:00000020 # [ 98.724653] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.732490] Exception stack(0xc69f5fa8 to 0xc69f5ff0) # [ 98.737815] 5fa0: 00000020 00000020 00000001 b6e65000 00000020 00000000 # [ 98.746264] 5fc0: 00000020 00000020 b6face00 00000004 00000001 00000000 00020000 bec6aac4 # [ 98.754710] 5fe0: 00000004 bec6a7f8 b6f16d8f b6e9d7e6 # [ 98.760081] irq event stamp: 0 # [ 98.763441] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.769298] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.777115] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.784916] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.790770] ---[ end trace 77811b8548b6e30b ]--- # [ 98.795697] 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>[ 99.600392] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 99.606755] lkdtm: attempting good copy_to_user of correct size <6>[ 99.613179] lkdtm: attempting bad copy_to_user of too large size # [ 99.600392] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 99.606755] lkdtm: attempting good copy_to_user of correct size # [ 99.613179] 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>[ 100.043092] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 100.049567] lkdtm: attempting good copy_from_user of correct size <6>[ 100.056112] lkdtm: attempting bad copy_from_user of too large size # [ 100.043092] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 100.049567] lkdtm: attempting good copy_from_user of correct size # [ 100.056112] 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>[ 100.482119] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 100.488870] lkdtm: attempting good copy_to_user inside whitelist <6>[ 100.495351] lkdtm: attempting bad copy_to_user outside whitelist # [ 100.482119] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 100.488870] lkdtm: attempting good copy_to_user inside whitelist # [ 100.495351] 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>[ 100.915300] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 100.922385] lkdtm: attempting good copy_from_user inside whitelist <6>[ 100.928887] lkdtm: attempting bad copy_from_user outside whitelist # [ 100.915300] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 100.922385] lkdtm: attempting good copy_from_user inside whitelist # [ 100.928887] 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>[ 101.357166] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 101.363745] lkdtm: good_stack: c6965e0c-c6965e2c <6>[ 101.368668] lkdtm: bad_stack : c6965d84-c6965da4 <6>[ 101.373626] lkdtm: attempting good copy_to_user of local stack <6>[ 101.379810] lkdtm: attempting bad copy_to_user of distant stack # [ 101.357166] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 101.363745] lkdtm: good_stack: c6965e0c-c6965e2c # [ 101.368668] lkdtm: bad_stack : c6965d84-c6965da4 # [ 101.373626] lkdtm: attempting good copy_to_user of local stack # [ 101.379810] 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>[ 101.816939] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 101.823661] lkdtm: good_stack: c59b9e0c-c59b9e2c <6>[ 101.828554] lkdtm: bad_stack : c59b9d84-c59b9da4 <6>[ 101.833514] lkdtm: attempting good copy_from_user of local stack <6>[ 101.839815] lkdtm: attempting bad copy_from_user of distant stack # [ 101.816939] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 101.823661] lkdtm: good_stack: c59b9e0c-c59b9e2c # [ 101.828554] lkdtm: bad_stack : c59b9d84-c59b9da4 # [ 101.833514] lkdtm: attempting good copy_from_user of local stack # [ 101.839815] 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>[ 102.278773] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 102.285224] lkdtm: good_stack: c69f5e0c-c69f5e2c <6>[ 102.290146] lkdtm: bad_stack : c69f5ffc-c69f601c <6>[ 102.295121] lkdtm: attempting good copy_to_user of local stack <6>[ 102.301268] lkdtm: attempting bad copy_to_user of distant stack # [ 102.278773] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 102.285224] lkdtm: good_stack: c69f5e0c-c69f5e2c # [ 102.290146] lkdtm: bad_stack : c69f5ffc-c69f601c # [ 102.295121] lkdtm: attempting good copy_to_user of local stack # [ 102.301268] 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>[ 102.744034] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 102.749819] lkdtm: attempting good copy_to_user from kernel rodata: c15ebff8 <6>[ 102.757262] lkdtm: attempting bad copy_to_user from kernel text: c053d854 <3>[ 102.764476] lkdtm: FAIL: survived bad copy_to_user() # [ 102.744034] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 102.749819] lkdtm: attempting good copy_to_user from kernel rodata: c15ebff8 # [ 102.757262] lkdtm: attempting bad copy_to_user from kernel text: c053d854 # [ 102.764476] 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>[ 103.214018] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 103.219967] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 103.227329] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 103.234522] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 103.240812] CPU: 1 PID: 3604 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 103.248833] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 103.255644] Backtrace: <4>[ 103.258415] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 103.266280] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 103.272242] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 103.279859] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 103.288681] r9:c1ad5ac8 r8:c15ebd4c r7:c6963f60 r6:c6963e34 r5:c6962000 r4:0000078d <4>[ 103.296726] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 103.305807] r8:c15ebd4c r7:c6963f60 r6:00000012 r5:c6c60000 r4:00000046 <4>[ 103.312804] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 103.321116] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 103.329327] r9:c6963f60 r8:c52c2180 r7:00000012 r6:b6e19000 r5:c6904640 r4:c0c57404 <4>[ 103.337377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 103.345500] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6e19000 r5:c6904640 r4:00000000 <4>[ 103.353538] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 103.360966] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6962000 r5:c6904640 <4>[ 103.369077] r4:c6904640 <4>[ 103.371907] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 103.379336] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000012 r4:00000012 <4>[ 103.387377] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.395231] Exception stack(0xc6963fa8 to 0xc6963ff0) <4>[ 103.400576] 3fa0: 00000012 00000012 00000001 b6e19000 00000012 00000000 <4>[ 103.409048] 3fc0: 00000012 00000012 b6f60e00 00000004 00000001 00000000 00020000 bee74ac4 <4>[ 103.417514] 3fe0: 00000004 bee747f8 b6ecad8f b6e517e6 # [ 103.214018] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 103.219967] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 103.227329] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 103.234522] lkdtm: FAIL: the thread stack is NOT properly erased # [ 103.240812] CPU: 1 PID: 3604 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 103.248833] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.255644] Backtrace: # [ 103.258415] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.266280] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 103.272242] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.279859] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 103.288681] r9:c1ad5ac8 r8:c15ebd4c r7:c6963f60 r6:c6963e34 r5:c6962000 r4:0000078d # [ 103.296726] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.305807] r8:c15ebd4c r7:c6963f60 r6:00000012 r5:c6c60000 r4:00000046 # [ 103.312804] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.321116] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.329327] r9:c6963f60 r8:c52c2180 r7:00000012 r6:b6e19000 r5:c6904640 r4:c0c57404 # [ 103.337377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 103.345500] r9:c07e1394 r8:c6963f60 r7:c2815800 r6:b6e19000 r5:c6904640 r4:00000000 # [ 103.353538] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.360966] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6962000 r5:c6904640 # [ 103.369077] r4:c6904640 # [ 103.371907] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.379336] r9:c6962000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000012 r4:00000012 # [ 103.387377] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.395231] Exception stack(0xc6963fa8 to 0xc6963ff0) # [ 103.400576] 3fa0: 00000012 00000012 00000001 b6e19000 00000012 00000000 # [ 103.409048] 3fc0: 00000012 00000012 b6f60e00 00000004 00000001 00000000 00020000 bee74ac4 # [ 103.417514] 3fe0: 00000004 bee747f8 b6ecad8f b6e517e6 # 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>[ 103.863296] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 103.869240] lkdtm: Calling matched prototype ... <6>[ 103.874197] lkdtm: Calling mismatched prototype ... <6>[ 103.879353] lkdtm: Fail: survived mismatched prototype function call! # [ 103.863296] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 103.869240] lkdtm: Calling matched prototype ... # [ 103.874197] lkdtm: Calling mismatched prototype ... # [ 103.879353] 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 / #