[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 Couldn't find partition mmc 0:1 Error selecting device File System is consistent file found, deleting File System is consistent Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.34 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 8853853/tftp-deploy-rvw5yk3_/kernel/zImage tftp 0x10000000 8853853/tftp-deploy-rvw5yk3_/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8853853/tftp-deploy-rvw5yk3_/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################### 11.9 MiB/s done Bytes transferred = 12366336 (bcb200 hex) => tftp 0x14000000 8853853/tftp-deploy-rvw5yk3_/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8853853/tftp-deploy-rvw5yk3_/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8853853/tftp-deploy-rvw5yk3_/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 11.8 MiB/s done Bytes transferred = 15422873 (eb5599 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8853853/tftp-deploy-rvw5yk3_/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8853853/tftp-deploy-rvw5yk3_/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8853853/tftp-deploy-rvw5yk3_/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8853853/extract-nfsrootfs-lnptgicd,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8853853/extract-nfsrootfs-lnptgicd,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbcb200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15422809 Bytes = 14.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.165-cip24 (KernelCI@build-j903988-arm-gcc-10-multi-v7-defconfig-kselftest-hhddh) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jan 24 12:11:11 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/8853853/extract-nfsrootfs-lnptgicd,tcp,hard console_msg_format=syslog earlycon ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921456K/1048576K available (17408K kernel code, 2652K rwdata, 8104K rodata, 2048K init, 6694K bss, 61584K 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 55518 entries in 163 pages <6>[ 0.000000] ftrace: allocated 163 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>[ 0.000008] 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>[ 0.022860] Console: colour dummy device 80x30 <4>[ 0.024763] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032775] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037118] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041529] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046163] ... CLASSHASH_SIZE: 4096 <4>[ 0.050751] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055471] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060146] ... CHAINHASH_SIZE: 32768 <4>[ 0.064845] memory used by lock dependency info: 4061 kB <4>[ 0.070523] memory used for stack traces: 2112 kB <4>[ 0.075570] per task-struct memory footprint: 1536 bytes <6>[ 0.081257] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091675] pid_max: default: 32768 minimum: 301 <6>[ 0.096901] LSM: Security Framework initializing <6>[ 0.101466] LSM support for eBPF active <6>[ 0.105622] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.113062] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123651] CPU: Testing write buffer coherency: ok <6>[ 0.126225] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132442] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141315] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147712] rcu: Hierarchical SRCU implementation. <6>[ 0.159914] EFI services will not be available. <6>[ 0.163148] smp: Bringing up secondary CPUs ... <6>[ 0.169963] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169979] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.182362] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.182376] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.194401] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.194416] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.203634] smp: Brought up 1 node, 4 CPUs <6>[ 0.207291] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.213603] CPU: All CPU(s) started in SVC mode. <6>[ 0.221256] devtmpfs: initialized <6>[ 0.279756] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.287562] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.295056] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.307022] pinctrl core: initialized pinctrl subsystem <6>[ 0.316620] DMI not present or invalid. <6>[ 0.320167] NET: Registered protocol family 16 <6>[ 0.334149] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.348054] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.348617] cpuidle: using governor menu <6>[ 0.356792] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 1.102603] vdd1p1: supplied by regulator-dummy <6>[ 1.136372] vdd3p0: supplied by regulator-dummy <6>[ 1.169503] vdd2p5: supplied by regulator-dummy <6>[ 1.202625] vddarm: supplied by regulator-dummy <6>[ 1.236799] vddpu: supplied by regulator-dummy <6>[ 1.268882] vddsoc: supplied by regulator-dummy <6>[ 2.595676] No ATAGs? <6>[ 2.596301] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.603661] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.629154] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.662699] Serial: AMBA PL011 UART driver <6>[ 2.729713] Kprobes globally optimized <6>[ 2.850292] iommu: Default domain type: Translated <6>[ 2.854749] vgaarb: loaded <5>[ 2.860382] SCSI subsystem initialized <6>[ 2.863694] usbcore: registered new interface driver usbfs <6>[ 2.867645] usbcore: registered new interface driver hub <6>[ 2.873100] usbcore: registered new device driver usb <6>[ 2.885890] i2c i2c-0: IMX I2C adapter registered <6>[ 2.895182] i2c i2c-1: IMX I2C adapter registered <6>[ 2.901887] i2c i2c-2: IMX I2C adapter registered <6>[ 2.908688] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.911092] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.920636] PTP clock support registered <6>[ 2.942944] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.647657] NET: Registered protocol family 2 <6>[ 4.650225] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.660575] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.666673] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.674742] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.683623] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.689577] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.696641] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.703382] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.711113] NET: Registered protocol family 1 <6>[ 4.717833] RPC: Registered named UNIX socket transport module. <6>[ 4.721243] RPC: Registered udp transport module. <6>[ 4.726312] RPC: Registered tcp transport module. <6>[ 4.731151] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.737986] NET: Registered protocol family 44 <6>[ 4.742576] PCI: CLS 0 bytes, default 64 <6>[ 4.749341] Trying to unpack rootfs image as initramfs... <6>[ 6.651070] Freeing initrd memory: 15064K <4>[ 6.653686] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.661710] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.677505] Initialise system trusted keyrings <6>[ 6.680389] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.738620] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.745984] NFS: Registering the id_resolver key type <5>[ 6.748613] Key type id_resolver registered <5>[ 6.752990] Key type id_legacy registered <6>[ 6.757796] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.764268] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.771951] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.778678] Key type asymmetric registered <5>[ 6.780834] Asymmetric key parser 'x509' registered <6>[ 6.786327] bounce: pool size: 64 pages <6>[ 6.790119] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.797767] io scheduler mq-deadline registered <6>[ 6.802418] io scheduler kyber registered <4>[ 6.807752] test_firmware: interface ready <6>[ 6.992589] mxs-dma 110000.dma-apbh: initialized <4>[ 7.060053] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 7.067301] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 7.338851] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 7.363698] SuperH (H)SCI(F) driver initialized <6>[ 7.368678] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 7.380020] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 7.386614] printk: console [ttymxc1] enabled <6>[ 7.386614] printk: console [ttymxc1] enabled <6>[ 7.395376] printk: bootconsole [ec_imx21] disabled <6>[ 7.395376] printk: bootconsole [ec_imx21] disabled <6>[ 7.412020] msm_serial: driver initialized <6>[ 7.417579] STMicroelectronics ASC driver initialized <6>[ 7.429566] STM32 USART driver initialized <6>[ 7.456688] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.479464] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.488280] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.496514] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.553935] brd: module loaded <6>[ 7.617420] loop: module loaded <6>[ 7.624335] lkdtm: No crash points registered, enable through debugfs <6>[ 7.647057] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.655366] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.663746] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.672230] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.680575] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.689119] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.697257] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.708959] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.716349] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.725507] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.740195] scsi host0: ahci-imx <6>[ 7.746210] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.813058] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.826987] pps pps0: new PPS source ptp0 <6>[ 7.873847] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.884985] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.890251] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.896776] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.902475] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.930999] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.938917] usbcore: registered new interface driver pegasus <6>[ 7.945144] usbcore: registered new interface driver asix <6>[ 7.951008] usbcore: registered new interface driver ax88179_178a <6>[ 7.957609] usbcore: registered new interface driver cdc_ether <6>[ 7.964006] usbcore: registered new interface driver smsc75xx <6>[ 7.970260] usbcore: registered new interface driver smsc95xx <6>[ 7.976502] usbcore: registered new interface driver net1080 <6>[ 7.982618] usbcore: registered new interface driver cdc_subset <6>[ 7.989049] usbcore: registered new interface driver zaurus <6>[ 7.995256] usbcore: registered new interface driver cdc_ncm <6>[ 8.014381] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 8.021287] ehci-pci: EHCI PCI platform driver <6>[ 8.026241] ehci-platform: EHCI generic platform driver <6>[ 8.032802] ehci-orion: EHCI orion driver <6>[ 8.038100] SPEAr-ehci: EHCI SPEAr driver <6>[ 8.043350] ehci-st: EHCI STMicroelectronics driver <6>[ 8.049413] ehci-exynos: EHCI Exynos driver <6>[ 8.054821] ehci-atmel: EHCI Atmel driver <6>[ 8.059994] tegra-ehci: Tegra EHCI driver <6>[ 8.065283] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 8.071834] ohci-pci: OHCI PCI platform driver <6>[ 8.076792] ohci-platform: OHCI generic platform driver <6>[ 8.083380] SPEAr-ohci: OHCI SPEAr driver <6>[ 8.088579] ohci-st: OHCI STMicroelectronics driver <6>[ 8.094691] ohci-atmel: OHCI Atmel driver <6>[ 8.102572] usbcore: registered new interface driver usb-storage <6>[ 8.105542] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 8.114970] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 8.121542] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 8.142590] i2c /dev entries driver <6>[ 8.231556] sdhci: Secure Digital Host Controller Interface driver <6>[ 8.238129] sdhci: Copyright(c) Pierre Ossman <6>[ 8.252640] Synopsys Designware Multimedia Card Interface Driver <6>[ 8.266626] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 8.276404] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 8.276411] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 8.287274] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 8.294592] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 8.304935] usbcore: registered new interface driver usbhid <6>[ 8.310809] usbhid: USB HID core driver <6>[ 8.331534] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 8.340278] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 8.348793] gre: GRE over IPv4 demultiplexor driver <6>[ 8.354077] ip_gre: GRE over IPv4 tunneling driver <6>[ 8.365427] IPv4 over IPsec tunneling driver <6>[ 8.375425] NET: Registered protocol family 10 <6>[ 8.382979] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 8.387291] Segment Routing with IPv6 <6>[ 8.400837] ip6_gre: GRE over IPv6 tunneling driver <6>[ 8.409184] NET: Registered protocol family 17 <5>[ 8.415777] Key type dns_resolver registered <6>[ 8.431022] mmc2: new high speed SDHC card at address 59b4 <6>[ 8.436191] ThumbEE CPU extension supported. <5>[ 8.441540] Registering SWP/SWPB emulation handler <6>[ 8.446325] mmcblk2: mmc2:59b4 SD 14.7 GiB <5>[ 8.450331] Loading compiled-in X.509 certificates <4>[ 8.471405] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 8.479293] GPT:29296874 != 30863359 <4>[ 8.483235] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.489534] GPT:29296874 != 30863359 <4>[ 8.493492] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.498989] mmcblk2: p1 p2 p3 <4>[ 8.640914] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.649613] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.663105] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.699433] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.713076] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.718569] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.753557] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.775019] hub 1-0:1.0: USB hub found <6>[ 8.779551] hub 1-0:1.0: 1 port detected <6>[ 8.796041] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.828526] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.837157] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.850606] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.881647] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.890246] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.903838] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.923257] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.956575] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.965215] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.978668] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.001395] 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) <3>[ 9.017155] IP-Config: Failed to open gretap0 <3>[ 9.021820] IP-Config: Failed to open erspan0 <5>[ 9.053114] Sending DHCP requests . <6>[ 9.183207] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 9.402693] hub 1-1:1.0: USB hub found <6>[ 9.407823] hub 1-1:1.0: 3 ports detected <4>[ 9.438291] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.446929] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.460525] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 11.793156] . <6>[ 12.164566] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 12.175429] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <4>[ 16.573156] ., OK <6>[ 16.615798] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34 <6>[ 16.624340] IP-Config: Complete: <6>[ 16.627918] device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1 <6>[ 16.638821] host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 16.647114] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 16.647161] nameserver0=192.168.201.1 <6>[ 16.729526] Freeing unused kernel memory: 2048K <6>[ 16.735666] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 20.754756] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 20.810862] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 20.817236] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.831833] panel-simple panel-lcd: Specify missing connector_type <4>[ 20.860761] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 20.881272] CAN device driver interface <4>[ 20.915163] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 20.929660] panel-simple panel-lcd: Specify missing connector_type <4>[ 20.946639] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 21.008102] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 21.018868] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 21.033908] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 21.040797] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 21.060162] caam 2100000.crypto: Entropy delay = 3200 <6>[ 21.126492] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 21.187255] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 21.192718] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <4>[ 21.197862] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 21.199680] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 21.211716] panel-simple panel-lcd: Specify missing connector_type <6>[ 21.222043] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <4>[ 21.226869] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 21.229465] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 21.242858] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 21.242949] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 21.274300] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 21.278297] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 21.290480] panel-simple panel-lcd: Specify missing connector_type <6>[ 21.312399] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 21.315929] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 21.319665] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 21.320459] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <6>[ 21.347682] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.359611] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 21.361005] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 21.368811] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <4>[ 21.377120] panel-simple panel-lcd: Specify missing connector_type <6>[ 21.385231] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 21.401752] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 21.411418] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 21.426989] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 21.460450] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 21.469254] panel-simple panel-lcd: Specify missing connector_type <4>[ 21.499553] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 21.548612] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 21.587696] panel-simple panel-lcd: Specify missing connector_type <6>[ 21.609140] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.618033] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.626969] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 21.635698] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.254089] caam algorithms registered in /proc/crypto <6>[ 22.267250] caam 2100000.crypto: registering rng-caam <5>[ 22.395682] random: crng init done <4>[ 22.402104] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 22.436645] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 22.445374] panel-simple panel-lcd: Specify missing connector_type <6>[ 22.464542] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.473333] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.482065] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.490767] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 22.505718] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 22.537581] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 22.546261] panel-simple panel-lcd: Specify missing connector_type <6>[ 22.564785] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.574029] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.583139] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 22.592038] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.34 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 24.989091] systemd[1]: System time before build time, advancing clock. <30>[ 25.244197] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 25.273508] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 25.341654] systemd[1]: Set hostname to . <30>[ 27.139334] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 27.154530] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 27.198283] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 27.248107] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 27.297902] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 27.347714] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 27.396945] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 27.444857] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 27.459158] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 27.505462] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 27.545115] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 27.583419] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 27.624100] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 27.667775] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 27.781670] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 27.796818] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 27.839922] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 27.890114] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 27.945871] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 27.989074] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 28.037460] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 28.047147] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 28.070879] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 28.115840] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 28.165270] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 28.214392] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 28.265245] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 28.326819] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 28.381243] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 28.410866] fuse: init (API version 7.32) <30>[ 28.419659] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 28.473577] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 28.525896] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 28.573524] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 28.642643] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 28.686357] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 28.732046] 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>[ 28.818119] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 28.828817] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 28.869131] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 28.879624] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 28.930057] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 28.940726] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 28.988868] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 29.028856] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 29.085825] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 29.132728] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 29.164395] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 29.174818] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 29.195735] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 29.257198] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 29.316235] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 29.379350] 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>[ 29.768546] systemd-journald[280]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] 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 5.10.165-cip24 #1 SMP Tue Jan 24 12:11:11 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/8853853/extract-nfsrootfs-lnptgicd' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8853853/extract-nfsrootfs-lnptgicd' / # 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-8853853/environment . /lava-8853853/environment / # /lava-8853853/bin/lava-test-runner /lava-8853853/0 /lava-8853853/bin/lava-test-runner /lava-8853853/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8853853/0/tests/0_timesync-off ++ cat uuid + UUID=8853853_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-8853853/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8853853_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/v5.10.162-cip24-952-gf408044f5bad/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8853853/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-01-24 12:28:47-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-952-gf408044f5bad/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1407988 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 31.77K 111KB/s kselftest.tar.xz 5%[> ] 69.02K 121KB/s kselftest.tar.xz 7%[> ] 107.20K 125KB/s kselftest.tar.xz 11%[=> ] 153.86K 134KB/s kselftest.tar.xz 14%[=> ] 199.11K 138KB/s kselftest.tar.xz 17%[==> ] 247.19K 143KB/s kselftest.tar.xz 21%[===> ] 289.61K 146KB/s kselftest.tar.xz 24%[===> ] 332.96K 150KB/s kselftest.tar.xz 26%[====> ] 358.90K 141KB/s kselftest.tar.xz 29%[====> ] 404.15K 145KB/s kselftest.tar.xz 31%[=====> ] 432.43K 143KB/s eta 7s kselftest.tar.xz 34%[=====> ] 474.37K 137KB/s eta 7s kselftest.tar.xz 38%[======> ] 522.93K 139KB/s eta 7s kselftest.tar.xz 40%[=======> ] 554.04K 140KB/s eta 7s kselftest.tar.xz 40%[=======> ] 562.04K 134KB/s eta 6s kselftest.tar.xz 43%[=======> ] 592.22K 136KB/s eta 6s kselftest.tar.xz 44%[=======> ] 613.43K 133KB/s eta 6s kselftest.tar.xz 45%[========> ] 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] 1.03M 94.7KB/s eta 3s kselftest.tar.xz 79%[==============> ] 1.07M 99.6KB/s eta 3s kselftest.tar.xz 82%[===============> ] 1.11M 102KB/s eta 2s kselftest.tar.xz 86%[================> ] 1.16M 106KB/s eta 2s kselftest.tar.xz 89%[================> ] 1.20M 110KB/s eta 2s kselftest.tar.xz 93%[=================> ] 1.25M 116KB/s eta 2s kselftest.tar.xz 95%[==================> ] 1.28M 116KB/s eta 1s kselftest.tar.xz 99%[==================> ] 1.33M 124KB/s eta 1s kselftest.tar.xz 100%[===================>] 1.34M 126KB/s in 11s 2023-01-24 12:28:59 (122 KB/s) - 'kselftest.tar.xz' saved [1407988/1407988] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 74.606934] 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>[ 75.494860] lkdtm: Performing direct entry BUG <4>[ 75.499896] ------------[ cut here ]------------ <2>[ 75.504787] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 75.510283] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 75.515700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 75.545255] CPU: 0 PID: 725 Comm: cat Not tainted 5.10.165-cip24 #1 <4>[ 75.551808] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.558635] PC is at lkdtm_BUG+0x14/0x18 <4>[ 75.562849] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 75.567580] pc : [] lr : [] psr: a00e0013 <4>[ 75.574129] sp : c6e89e58 ip : c6e89e68 fp : c6e89e64 <4>[ 75.579635] r10: 00000004 r9 : c1acd8ec r8 : c15e879c <4>[ 75.585141] r7 : c6e89f60 r6 : 00000004 r5 : c6bb9000 r4 : 00000001 <4>[ 75.591950] r3 : c0c34c74 r2 : 434653eb r1 : ef7815e0 r0 : c15e87a4 <4>[ 75.598764] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.606184] Control: 10c5387d Table: 16e9804a DAC: 00000051 <0>[ 75.612216] Process cat (pid: 725, stack limit = 0xe2f34c68) <0>[ 75.618162] Stack: (0xc6e89e58 to 0xc6e8a000) <0>[ 75.622809] 9e40: c6e89e74 c6e89e68 <0>[ 75.631280] 9e60: c0c34708 c0c34c80 c6e89e9c c6e89e78 c0c34c08 c0c346e8 c0c34ae8 c5b3cdc0 <0>[ 75.639750] 9e80: b6e4b000 00000004 c30e7f00 c6e89f60 c6e89ec4 c6e89ea0 c07e1144 c0c34af4 <0>[ 75.648220] 9ea0: 00000000 c5b3cdc0 b6e4b000 c2816000 c6e89f60 c07e10e0 c6e89f5c c6e89ec8 <0>[ 75.656689] 9ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6e88000 <0>[ 75.665158] 9ee0: b6e4b000 00020000 00000004 00000004 0001fffc c6e89ee0 00000001 b6e4a000 <0>[ 75.673625] 9f00: c6823540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.682095] 9f20: 00000000 00000000 c137a240 434653eb c205caa0 c5b3cdc0 c5b3cdc0 c6e88000 <0>[ 75.690564] 9f40: b6e4b000 00000000 00000000 00000004 c6e89f94 c6e89f60 c0599540 c0598eac <0>[ 75.699034] 9f60: 00000000 00000000 c6e89fac 434653eb 00000004 00000004 b6f92e00 00000004 <0>[ 75.707503] 9f80: c03002e4 c6e88000 c6e89fa4 c6e89f98 c05995d0 c05994d8 00000000 c6e89fa8 <0>[ 75.715971] 9fa0: c03000c0 c05995c4 00000004 00000004 00000001 b6e4b000 00000004 00000000 <0>[ 75.724440] 9fc0: 00000004 00000004 b6f92e00 00000004 00000001 00000000 00020000 becc7a64 <0>[ 75.732907] 9fe0: 00000004 becc7798 b6efd4cf b6e837e6 800e0030 00000001 00000000 00000000 <0>[ 75.741362] Backtrace: <0>[ 75.744121] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.751988] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.760297] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.768510] r9:c6e89f60 r8:c30e7f00 r7:00000004 r6:b6e4b000 r5:c5b3cdc0 r4:c0c34ae8 <0>[ 75.776556] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 75.784681] r9:c07e10e0 r8:c6e89f60 r7:c2816000 r6:b6e4b000 r5:c5b3cdc0 r4:00000000 <0>[ 75.792718] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.800145] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6e88000 r5:c5b3cdc0 <0>[ 75.808255] r4:c5b3cdc0 <0>[ 75.811083] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.818511] r9:c6e88000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000004 r4:00000004 <0>[ 75.826550] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.834401] Exception stack(0xc6e89fa8 to 0xc6e89ff0) <0>[ 75.839743] 9fa0: 00000004 00000004 00000001 b6e4b000 00000004 00000000 <0>[ 75.848211] 9fc0: 00000004 00000004 b6f92e00 00000004 00000001 00000000 00020000 becc7a64 <0>[ 75.856674] 9fe0: 00000004 becc7798 b6efd4cf b6e837e6 <0>[ 75.862019] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 75.868407] ---[ end trace c10b91bde76c159e ]--- <3>[ 75.873312] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 75.882471] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 725, name: cat <4>[ 75.890406] INFO: lockdep is turned off. <4>[ 75.894609] irq event stamp: 1598 <4>[ 75.898227] hardirqs last enabled at (1597): [] console_unlock+0x4b0/0x6c0 <4>[ 75.906350] hardirqs last disabled at (1598): [] __und_svc+0x60/0x6c <4>[ 75.913864] softirqs last enabled at (1372): [] __do_softirq+0x378/0x5fc <4>[ 75.921810] softirqs last disabled at (1355): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 75.929934] CPU: 0 PID: 725 Comm: cat Tainted: G D 5.10.165-cip24 #1 <4>[ 75.937871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.944676] Backtrace: <4>[ 75.947445] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 75.955305] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fb38 <4>[ 75.961264] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 75.968879] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) <4>[ 75.976915] r9:600e0093 r8:0000000b r7:c035bc60 r6:00000031 r5:c19c9ea4 r4:c6e88000 <4>[ 75.984955] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 75.993071] r6:00000000 r5:00000031 r4:c19c9ea4 <4>[ 75.997995] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) <4>[ 76.006024] r6:00000001 r5:c6e88000 r4:c5a22880 <4>[ 76.010950] [] (exit_signals) from [] (do_exit+0x100/0xb38) <4>[ 76.018551] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c5a22880 <4>[ 76.025550] [] (do_exit) from [] (die+0x370/0x37c) <4>[ 76.032361] r7:c1e0facc <4>[ 76.035187] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 76.042529] r10:00000004 r9:c6e88000 r8:c15e879c r7:00000000 r6:c6e89dc8 r5:c0c34c88 <4>[ 76.050638] r4:e7f001f2 <4>[ 76.053466] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 76.061666] Exception stack(0xc6e89dc8 to 0xc6e89e10) <4>[ 76.067009] 9dc0: c15e87a4 ef7815e0 434653eb c0c34c74 00000001 c6bb9000 <4>[ 76.075478] 9de0: 00000004 c6e89f60 c15e879c c1acd8ec 00000004 c6e89e64 c6e89e68 c6e89e58 <4>[ 76.083940] 9e00: c0c34708 c0c34c88 a00e0013 ffffffff <4>[ 76.089279] r7:c6e89dfc r6:ffffffff r5:a00e0013 r4:c0c34c8c <4>[ 76.095231] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 76.103091] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 76.111392] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 76.119600] r9:c6e89f60 r8:c30e7f00 r7:00000004 r6:b6e4b000 r5:c5b3cdc0 r4:c0c34ae8 <4>[ 76.127640] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 76.135762] r9:c07e10e0 r8:c6e89f60 r7:c2816000 r6:b6e4b000 r5:c5b3cdc0 r4:00000000 <4>[ 76.143798] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 76.151224] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6e88000 r5:c5b3cdc0 <4>[ 76.159334] r4:c5b3cdc0 <4>[ 76.162161] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 76.169587] r9:c6e88000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000004 r4:00000004 <4>[ 76.177622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 76.185473] Exception stack(0xc6e89fa8 to 0xc6e89ff0) <4>[ 76.190815] 9fa0: 00000004 00000004 00000001 b6e4b000 00000004 00000000 <4>[ 76.199284] 9fc0: 00000004 00000004 b6f92e00 00000004 00000001 00000000 00020000 becc7a64 <4>[ 76.207746] 9fe0: 00000004 becc7798 b6efd4cf b6e837e6 # Segmentation fault # [ 75.494860] lkdtm: Performing direct entry BUG # [ 75.499896] ------------[ cut here ]------------ # [ 75.504787] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 75.510283] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 75.515700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.545255] CPU: 0 PID: 725 Comm: cat Not tainted 5.10.165-cip24 #1 # [ 75.551808] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.558635] PC is at lkdtm_BUG+0x14/0x18 # [ 75.562849] LR is at lkdtm_do_action+0x2c/0x4c # [ 75.567580] pc : [] lr : [] psr: a00e0013 # [ 75.574129] sp : c6e89e58 ip : c6e89e68 fp : c6e89e64 # [ 75.579635] r10: 00000004 r9 : c1acd8ec r8 : c15e879c # [ 75.585141] r7 : c6e89f60 r6 : 00000004 r5 : c6bb9000 r4 : 00000001 # [ 75.591950] r3 : c0c34c74 r2 : 434653eb r1 : ef7815e0 r0 : c15e87a4 # [ 75.598764] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.606184] Control: 10c5387d Table: 16e9804a DAC: 00000051 # [ 75.612216] Process cat (pid: 725, stack limit = 0xe2f34c68) # [ 75.618162] Stack: (0xc6e89e58 to 0xc6e8a000) # [ 75.622809] 9e40: c6e89e74 c6e89e68 # [ 75.631280] 9e60: c0c34708 c0c34c80 c6e89e9c c6e89e78 c0c34c08 c0c346e8 c0c34ae8 c5b3cdc0 # [ 75.639750] 9e80: b6e4b000 00000004 c30e7f00 c6e89f60 c6e89ec4 c6e89ea0 c07e1144 c0c34af4 # [ 75.648220] 9ea0: 00000000 c5b3cdc0 b6e4b000 c2816000 c6e89f60 c07e10e0 c6e89f5c c6e89ec8 # [ 75.656689] 9ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6e88000 # [ 75.665158] 9ee0: b6e4b000 00020000 00000004 00000004 0001fffc c6e89ee0 00000001 b6e4a000 # [ 75.673625] 9f00: c6823540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.682095] 9f20: 00000000 00000000 c137a240 434653eb c205caa0 c5b3cdc0 c5b3cdc0 c6e88000 # [ 75.690564] 9f40: b6e4b000 00000000 00000000 00000004 c6e89f94 c6e89f60 c0599540 c0598eac # [ 75.699034] 9f60: 00000000 00000000 c6e89fac 434653eb 00000004 00000004 b6f92e00 00000004 # [ 75.707503] 9f80: c03002e4 c6e88000 c6e89fa4 c6e89f98 c05995d0 c05994d8 00000000 c6e89fa8 # [ 75.715971] 9fa0: c03000c0 c05995c4 00000004 00000004 00000001 b6e4b000 00000004 00000000 # [ 75.724440] 9fc0: 00000004 00000004 b6f92e00 00000004 00000001 00000000 00020000 becc7a64 # [ 75.732907] 9fe0: 00000004 becc7798 b6efd4cf b6e837e6 800e0030 00000001 00000000 00000000 # [ 75.741362] Backtrace: # [ 75.744121] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.751988] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.760297] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.768510] r9:c6e89f60 r8:c30e7f00 r7:00000004 r6:b6e4b000 r5:c5b3cdc0 r4:c0c34ae8 # [ 75.776556] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 75.784681] r9:c07e10e0 r8:c6e89f60 r7:c2816000 r6:b6e4b000 r5:c5b3cdc0 r4:00000000 # [ 75.792718] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.800145] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6e88000 r5:c5b3cdc0 # [ 75.808255] r4:c5b3cdc0 # [ 75.811083] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.818511] r9:c6e88000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000004 r4:00000004 # [ 75.826550] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.834401] Exception stack(0xc6e89fa8 to 0xc6e89ff0) # [ 75.839743] 9fa0: 00000004 00000004 00000001 b6e4b000 00000004 00000000 # [ 75.848211] 9fc0: 00000004 00000004 b6f92e00 00000004 00000001 00000000 00020000 becc7a64 # [ 75.856674] 9fe0: 00000004 becc7798 b6efd4cf b6e837e6 # [ 75.862019] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 75.868407] ---[ end trace c10b91bde76c159e ]--- # [ 75.873312] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.882471] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 725, name: cat # [ 75.890406] INFO: lockdep is turned off. # [ 75.89460<6>[ 76.681782] lkdtm: Performing direct entry WARNING 9] irq event stamp: 1598 # [ 7<4>[ 76.687459] ------------[ cut here ]------------ 5.898227] hardirqs last enabled <4>[ 76.695239] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c at (1597): [] console_u<4>[ 76.706801] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 nlock+0x4b0/0x6c0 # [ 75.90635<4>[ 76.738728] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.165-cip24 #1 0] hardirqs last disabled at (159<4>[ 76.749461] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8): [] __und_svc+0x60/0<4>[ 76.759113] Backtrace: x6c # [ 75.913864] softirqs la<4>[ 76.764701] [] (dump_backtrace) from [] (show_stack+0x20/0x24) st enabled at (1372): [[ 76.775381] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 >] __do_softirq+0x378/0x5fc # [ <4>[ 76.784165] [] (show_stack) from [] (dump_stack+0xe0/0x100) 75.921810] softirqs last disabl<4>[ 76.794599] [] (dump_stack) from [] (__warn+0xfc/0x16c) ed at (1355): [] __irq_<4>[ 76.804677] r9:00000009 r8:c0c34cd4 r7:00000053 r6:00000009 r5:c0c34cd4 r4:c1acdfa8 exit_rcu+0x178/0x1d0 # [ 75.92<4>[ 76.815548] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 9934] CPU: 0 PID: 725 Comm: cat T<4>[ 76.826148] r7:00000053 r6:c1acdfa8 r5:00000000 r4:c685a000 ainted: G D 5.10.1<4>[ 76.834935] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 65-cip24 #1 # [ 75.937871] Har<4>[ 76.846144] r9:c1acd8f0 r8:c15e879c r7:c685bf60 r6:00000008 r5:c5df1000 r4:00000002 dware name: Freescale i.MX6 Quad/<4>[ 76.857010] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) DualLite (Device Tree) # [ 75.<4>[ 76.868048] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 944676] Backtrace: # [ 75.947<4>[ 76.879182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 445] [] (dump_backtrace<4>[ 76.890216] r9:c685bf60 r8:c30e7f00 r7:00000008 r6:b6dfb000 r5:c585e140 r4:c0c34ae8 ) from [] (show_stack+0<4>[ 76.901088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) x20/0x24) # [ 75.955305] r7:f<4>[ 76.912034] r9:c07e10e0 r8:c685bf60 r7:c2816000 r6:b6dfb000 r5:c585e140 r4:00000000 fffffff r6:600e0093 r5:00000000 r<4>[ 76.922901] [] (vfs_write) from [] (ksys_write+0x74/0xec) 4:c1f0fb38 # [ 75.961264] [[ 76.933158] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c685a000 r5:c585e140 357220>] (show_stack) from [[ 76.944106] r4:c585e140 e478>] (dump_stack+0xe0/0x100) <4>[ 76.949768] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.968879] [] (du<4>[ 76.959939] r9:c685a000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:00000008 r4:00000008 mp_stack) from [] (___m<4>[ 76.970807] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ight_sleep+0x1ac/0x2bc) <4>[ 76.981494] Exception stack(0xc685bfa8 to 0xc685bff0) # [ 75.976915] r9:600e0093 r8:<4>[ 76.988979] bfa0: 00000008 00000008 00000001 b6dfb000 00000008 00000000 0000000b r7:c035bc60 r6:00000031 <4>[ 77.000283] bfc0: 00000008 00000008 b6f42e00 00000004 00000001 00000000 00020000 bef36a64 r5:c19c9ea4 r4:c6e88000 <4>[ 77.011577] bfe0: 00000004 bef36798 b6ead4cf b6e337e6 # [ 75.984955] [] (__<4>[ 77.019093] irq event stamp: 0 _might_sleep) from [] (<4>[ 77.025300] hardirqs last enabled at (0): [<00000000>] 0x0 __might_sleep+0x70/0xb0) # [ 7<4>[ 77.033999] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 5.993071] r6:00000000 r5:0000003<4>[ 77.044601] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 1 r4:c19c9ea4 # [ 75.997995] [<4>[ 77.055205] softirqs last disabled at (0): [<00000000>] 0x0 ] (__might_sleep) from <4>[ 77.063901] ---[ end trace c10b91bde76c159f ]--- [] (exit_signals+0x4c/0x3fc) # [ 76.006024] r6:00000001 r5:c6e88000 r4:c5a22880 # [ 76.010950] [] (exit_signals) from [] (do_exit+0x100/0xb38) # [ 76.018551] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c5a22880 # [ 76.025550] [] (do_exit) from [] (die+0x370/0x37c) # [ 76.032361] r7:c1e0facc # [ 76.035187] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 76.042529] r10:00000004 r9:c6e88000 r8:c15e879c r7:00000000 r6:c6e89dc8 r5:c0c34c88 # [ 76.050638] r4:e7f001f2 # [ 76.053466] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 76.061666] Exception stack(0xc6e89dc8 to 0xc6e89e10) # [ 76.067009] 9dc0: c15e87a4 ef7815e0 434653eb c0c34c74 00000001 c6bb9000 # [ 76.075478] 9de0: 00000004 c6e89f60 c15e879c c1acd8ec 00000004 c6e89e64 c6e89e68 c6e89e58 # [ 76.083940] 9e00: c0c34708 c0c34c88 a00e0013 ffffffff # [ 76.089279] r7:c6e89dfc r6:ffffffff r5:a00e0013 r4:c0c34c8c # [ 76.095231] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.103091] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.111392] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.119600] r9:c6e89f60 r8:c30e7f00 r7:00000004 r6:b6e4b000 r5:c5b3cdc0 r4:c0c34ae8 # [ 76.127640] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 76.135762] r9:c07e10e0 r8:c6e89f60 r7:c2816000 r6:b6e4b000 r5:c5b3cdc0 r4:00000000 # [ 76.143798] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.151224] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6e88000 r5:c5b3cdc0 # [ 76.159334] r4:c5b3cdc0 # [ 76.162161] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.169587] r9:c6e88000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000004 r4:00000004 # [ 76.177622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.185473] Exception stack(0xc6e89fa8 to 0xc6e89ff0) # [ 76.190815] 9fa0: 00000004 00000004 00000001 b6e4b000 00000004 00000000 # [ 76.199284] 9fc0: 00000004 00000004 b6f92e00 00000004 00000001 00000000 00020000 becc7a64 # [ 76.207746] 9fe0: 00000004 becc7798 b6efd4cf b6e837e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 76.681782] lkdtm: Performing direct entry WARNING # [ 76.687459] ------------[ cut here ]------------ # [ 76.695239] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 76.706801] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.738728] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 76.749461] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.759113] Backtrace: # [ 76.764701] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 76.775381] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 76.784165] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 76.794599] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 76.804677] r9:00000009 r8:c0c34cd4 r7:00000053 r6:00000009 r5:c0c34cd4 r4:c1acdfa8 # [ 76.815548] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 76.826148] r7:00000053 r6:c1acdfa8 r5:00000000 r4:c685a000 # [ 76.834935] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 76.846144] r9:c1acd8f0 r8:c15e879c r7:c685bf60 r6:00000008 r5:c5df1000 r4:00000002 # [ 76.857010] [] (lkdtm_WARNING) from [[ 77.419556] lkdtm: Performing direct entry WARNING_MESSAGE 8>] (lkdtm_do_action+0x2c/0x4c) <4>[ 77.427556] ------------[ cut here ]------------ # [ 76.868048] [] (lk<4>[ 77.435194] WARNING: CPU: 1 PID: 831 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 dtm_do_action) from [] <4>[ 77.447429] Warning message trigger count: 2 (direct_entry+0x120/0x18c) # [ <4>[ 77.454806] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 76.879182] [] (direct_<4>[ 77.486781] CPU: 1 PID: 831 Comm: cat Tainted: G D W 5.10.165-cip24 #1 entry) from [] (full_pr<4>[ 77.497508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) oxy_write+0x64/0x94) # [ 76.89<4>[ 77.507162] Backtrace: 0216] r9:c685bf60 r8:c30e7f00 r7<4>[ 77.512756] [] (dump_backtrace) from [] (show_stack+0x20/0x24) :00000008 r6:b6dfb000 r5:c585e140<4>[ 77.523431] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 r4:c0c34ae8 # [ 76.901088] [<<4>[ 77.532219] [] (show_stack) from [] (dump_stack+0xe0/0x100) c07e10e0>] (full_proxy_write) fro<4>[ 77.542654] [] (dump_stack) from [] (__warn+0xfc/0x16c) m [] (vfs_write+0x10c/0<4>[ 77.552733] r9:00000009 r8:c0c34d24 r7:00000058 r6:00000009 r5:c0c34d24 r4:c1acdfa8 x524) # [ 76.912034] r9:c07e1<4>[ 77.563604] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0e0 r8:c685bf60 r7:c2816000 r6:b6<4>[ 77.574204] r7:00000058 r6:c1acdfa8 r5:c1acdfc4 r4:c6e7c000 dfb000 r5:c585e140 r4:00000000 #<4>[ 77.582993] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 76.922901] [] (vfs<4>[ 77.594895] r9:c1acd8f8 r8:c15e879c r7:c6e7df60 r6:00000010 r5:c6aca000 r4:00000003 _write) from [] (ksys_w<4>[ 77.605763] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) rite+0x74/0xec) # [ 76.933158]<4>[ 77.617497] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) r10:00000004 r9:00000000 r8:000<4>[ 77.628630] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00000 r7:b6dfb000 r6:c685a000 r5:<4>[ 77.639663] r9:c6e7df60 r8:c30e7f00 r7:00000010 r6:b6e3f000 r5:c6b5fcc0 r4:c0c34ae8 c585e140 # [ 76.944106] r4:c5<4>[ 77.650536] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 85e140 # [ 76.949768] [[ 77.661481] r9:c07e10e0 r8:c6e7df60 r7:c2816000 r6:b6e3f000 r5:c6b5fcc0 r4:00000000 cc>] (ksys_write) from [[ 77.672351] [] (vfs_write) from [] (ksys_write+0x74/0xec) >] (sys_write+0x18/0x1c) # [ 7<4>[ 77.682606] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c6e7c000 r5:c6b5fcc0 6.959939] r9:c685a000 r8:c03002e<4>[ 77.693555] r4:c6b5fcc0 4 r7:00000004 r6:b6f42e00 r5:0000<4>[ 77.699218] [] (ksys_write) from [] (sys_write+0x18/0x1c) 0008 r4:00000008 # [ 76.970807<4>[ 77.709477] r9:c6e7c000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000010 r4:00000010 ] [] (sys_write) from [<4>[ 77.720348] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ] (ret_fast_syscall+0x0<4>[ 77.731032] Exception stack(0xc6e7dfa8 to 0xc6e7dff0) /0x28) # [ 76.981494] Exceptio<4>[ 77.739213] dfa0: 00000010 00000010 00000001 b6e3f000 00000010 00000000 n stack(0xc685bfa8 to 0xc685bff0)<4>[ 77.750514] dfc0: 00000010 00000010 b6f86e00 00000004 00000001 00000000 00020000 bebc6a64 # [ 76.988979] bfa0: <4>[ 77.761809] dfe0: 00000004 bebc6798 b6ef14cf b6e777e6 00000008 00000008 00000<4>[ 77.770071] irq event stamp: 0 001 b6dfb000 00000008 00000000 #<4>[ 77.776209] hardirqs last enabled at (0): [<00000000>] 0x0 [ 77.000283] bfc0: 00000008 00<4>[ 77.784905] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 000008 b6f42e00 00000004 00000001<4>[ 77.795513] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 00000000 00020000 bef36a64 # [ <4>[ 77.806116] softirqs last disabled at (0): [<00000000>] 0x0 77.011577] bfe0: 00000004 bef36<4>[ 77.814808] ---[ end trace c10b91bde76c15a0 ]--- 798 b6ead4cf b6e337e6 # [ 77.019093] irq event stamp: 0 # [ 77.025300] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 77.033999] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 77.044601] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 77.055205] softirqs last disabled at (0): [<00000000>] 0x0 # [ 77.063901] ---[ end trace c10b91bde76c159f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 77.419556] lkdtm: Performing direct entry WARNING_MESSAGE # [ 77.427556] ------------[ cut here ]------------ # [ 77.435194] WARNING: CPU: 1 PID: 831 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 77.447429] Warning message trigger count: 2 # [ 77.454806] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.486781] CPU: 1 PID: 831 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 77.497508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.507162] Backtrace: # [ 77.512756] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 77.523431] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 77.532219] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 77.542654] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 77.552733] r9:00000009 r8:c0c34d24 r7:00000058 r6:00000009 r5:c0c34d24 r4:c1acdfa8 # [ 77.563604] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 77.574204] r7:00000058 r6:c1acdfa8 r5:c1acdfc4 r4:c6e7c000 # [ 77.582993] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 77.594895] r9:c1acd8f8 r8:c15e879c r7:c6e7df60 r6:00000010 r5:c6aca000 r4:00000003 # [ 77.605763] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.617497] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.628630] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.639663] r9:c6e7df60 r8:c30e7f00 r7:00000010 r6:b6e3f000 r5:c6b5fcc0 r4:c0c34ae8 # [ 77.650536] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 77.661481] r9:c07e10e0 r8:c6e7df60 r7:c2816000 r6:b6e3f000 r5:c6b5fcc0 r4:00000000 # [ 77.672351] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.682606] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c6e7c000 r5:c6b5fcc0 # [ 77.693555] r4:c6b5fcc0 # [ 77.699218] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.709477] r9:c6e7c000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000010 r4:00000010 # [ 77.720348] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.731032] Exception stack(0xc6e7dfa8 to 0xc6e7dff0) # [ 77.739213] dfa0: 00000010 00000010 00000001 b6e3f000 00000010 00000000 # [ 77.750514] dfc0: 00000010 00000010 b6f86e00 00000004 00000001 00000000 00020000 bebc6a64 # [ 77.761809] dfe0: 00000004 bebc6798 b6ef14cf b6e777e6 # [ 77.770071] irq event stamp: 0 # [ 77.776209] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 77.784905] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 77.795513] softirqs last enabled at (0): [] copy_process+0x5f<6>[ 78.157721] lkdtm: Performing direct entry EXCEPTION 8/0x1974 # [ 77.806116] softir<1>[ 78.165328] 8<--- cut here --- qs last disabled at (0): [<000000<1>[ 78.171403] Unable to handle kernel NULL pointer dereference at virtual address 00000000 00>] 0x0 # [ 77.814808] ---[ e<1>[ 78.182729] pgd = dd32b966 nd trace c10b91bde76c15a0 ]--- #<1>[ 78.188529] [00000000] *pgd=00000000 WARNING_MESSAGE: saw 'message tr<0>[ 78.195244] Internal error: Oops: 805 [#2] SMP ARM igger': ok ok 4 selftests: lkdtm<4>[ 78.203060] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 : WARNING_MESSAGE.sh # sf[t 78.235021] CPU: 3 PID: 863 Comm: cat Tainted: G D W 5.10.165-cip24 #1 ests: lkdtm: C[E P T I7O8N..45358] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) sh <4>[ 78.254062] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 78.259102] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 78.263812] pc : [] lr : [] psr: a00e0013 <4>[ 78.270344] sp : c68f7e58 ip : c68f7e68 fp : c68f7e64 <4>[ 78.275834] r10: 0000000a r9 : c1acd908 r8 : c15e879c <4>[ 78.281324] r7 : c68f7f60 r6 : 0000000a r5 : c5a8a000 r4 : 00000004 <4>[ 78.288116] r3 : 00000000 r2 : 8974b99c r1 : ef7c05e0 r0 : c15e87bc <4>[ 78.294910] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.302312] Control: 10c5387d Table: 16e7c04a DAC: 00000051 <0>[ 78.308325] Process cat (pid: 863, stack limit = 0x4901821c) <0>[ 78.314251] Stack: (0xc68f7e58 to 0xc68f8000) <0>[ 78.318876] 7e40: c68f7e74 c68f7e68 <0>[ 78.327322] 7e60: c0c34708 c0c34d38 c68f7e9c c68f7e78 c0c34c08 c0c346e8 c0c34ae8 c5adb680 <0>[ 78.335768] 7e80: b6e4b000 0000000a c30e7f00 c68f7f60 c68f7ec4 c68f7ea0 c07e1144 c0c34af4 <0>[ 78.344215] 7ea0: 00000000 c5adb680 b6e4b000 c2816000 c68f7f60 c07e10e0 c68f7f5c c68f7ec8 <0>[ 78.352660] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c68f6000 <0>[ 78.361104] 7ee0: b6e4b000 00020000 00000004 0000000a 0001fff6 c68f7ee0 00000001 b6e4a000 <0>[ 78.369550] 7f00: c6823a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.377997] 7f20: 00000000 00000000 c137a240 8974b99c c205caa0 c5adb680 c5adb680 c68f6000 <0>[ 78.386442] 7f40: b6e4b000 00000000 00000000 00000004 c68f7f94 c68f7f60 c0599540 c0598eac <0>[ 78.394888] 7f60: 00000000 00000000 c68f7fac 8974b99c 0000000a 0000000a b6f92e00 00000004 <0>[ 78.403333] 7f80: c03002e4 c68f6000 c68f7fa4 c68f7f98 c05995d0 c05994d8 00000000 c68f7fa8 <0>[ 78.411778] 7fa0: c03000c0 c05995c4 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 <0>[ 78.420224] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 bed48a64 <0>[ 78.428670] 7fe0: 00000004 bed48798 b6efd4cf b6e837e6 800e0030 00000001 00000000 00000000 <0>[ 78.437111] Backtrace: <0>[ 78.439837] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.448199] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.456478] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.464665] r9:c68f7f60 r8:c30e7f00 r7:0000000a r6:b6e4b000 r5:c5adb680 r4:c0c34ae8 <0>[ 78.472683] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 78.480783] r9:c07e10e0 r8:c68f7f60 r7:c2816000 r6:b6e4b000 r5:c5adb680 r4:00000000 <0>[ 78.488796] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.496201] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c68f6000 r5:c5adb680 <0>[ 78.504295] r4:c5adb680 <0>[ 78.507099] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.514506] r9:c68f6000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000000a r4:0000000a <0>[ 78.522522] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.530357] Exception stack(0xc68f7fa8 to 0xc68f7ff0) <0>[ 78.535678] 7fa0: 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 <0>[ 78.544123] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 bed48a64 <0>[ 78.552568] 7fe0: 00000004 bed48798 b6efd4cf b6e837e6 <0>[ 78.557888] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 78.564298] ---[ end trace c10b91bde76c15a1 ]--- # Segmentation fault # [ 78.157721] lkdtm: Performing direct entry EXCEPTION # [ 78.165328] 8<--- cut here --- # [ 78.171403] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 78.182729] pgd = dd32b966 # [ 78.188529] [00000000] *pgd=00000000 # [ 78.195244] Internal error: Oops: 805 [#2] SMP ARM # [ 78.203060] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.235021] CPU: 3 PID: 863 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 78.245358] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.254062] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 78.259102] LR is at lkdtm_do_action+0x2c/0x4c # [ 78.263812] pc : [] lr : [] psr: a00e0013 # [ 78.270344] sp : c68f7e58 ip : c68f7e68 fp : c68f7e64 # [ 78.275834] r10: 0000000a r9 : c1acd908 r8 : c15e879c # [ 78.281324] r7 : c68f7f60 r6 : 0000000a r5 : c5a8a000 r4 : 00000004 # [ 78.288116] r3 : 00000000 r2 : 8974b99c r1 : ef7c05e0 r0 : c15e87bc # [ 78.294910] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.302312] Control: 10c5387d Table: 16e7c04a DAC: 00000051 # [ 78.308325] Process cat (pid: 863, stack limit = 0x4901821c) # [ 78.314251] Stack: (0xc68f7e58 to 0xc68f8000) # [ 78.318876] 7e40: c68f7e74 c68f7e68 # [ 78.327322] 7e60: c0c34708 c0c34d38 c68f7e9c c68f7e78 c0c34c08 c0c346e8 c0c34ae8 c5adb680 # [ 78.335768] 7e80: b6e4b000 0000000a c30e7f00 c68f7f60 c68f7ec4 c68f7ea0 c07e1144 c0c34af4 # [ 78.344215] 7ea0: 00000000 c5adb680 b6e4b000 c2816000 c68f7f60 c07e10e0 c68f7f5c c68f7ec8 # [ 78.352660] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c68f6000 # [ 78.361104] 7ee0: b6e4b000 00020000 00000004 0000000a 0001fff6 c68f7ee0 00000001 b6e4a000 # [ 78.369550] 7f00: c6823a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.377997] 7f20: 00000000 00000000 c137a240 8974b99c c205caa0 c5adb680 c5adb680 c68f6000 # [ 78.386442] 7f40: b6e4b000 00000000 00000000 00000004 c68f7f94 c68f7f60 c0599540 c0598eac # [ 78.394888] 7f60: 00000000 00000000 c68f7fac 8974b99c 0000000a 0000000a b6f92e00 00000004 # [ 78.403333] 7f80: c03002e4 c68f6000 c68f7fa4 c68f7f98 c05995d0 c05994d8 00000000 c68f7fa8 # [ 78.411778] 7fa0: c03000c0 c05995c4 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 # [ 78.420224] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 bed48a64 # [ 78.428670] 7fe0: 00000004 bed48798 b6efd4cf b6e837e6 800e0030 00000001 00000000 00000000 # [ 78.437111] Backtrace: # [ 78.439837] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.448199] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.456478] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.464665] r9:c68f7f60 r8:c30e7f00 r7:0000000a r6:b6e4b000 r5:c5adb680 r4:c0c34ae8 # [ 78.472683] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 78.480783] r9:c07e10e0 r8:c68f7f60 r7:c2816000 r6:b6e4b000 r5:c5adb680 r4:00000000 # [ 78.488796] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.496201] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c68f6000 r5:c5adb680 # [ 78.504295] r4:c5adb680 # [ 78.507099] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.514506] r9:c68f6000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000000a r4:0000000a # [ 78.522522] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.530357] Exception stack(0xc68f7fa8 to 0xc68f7ff0) # [ 78.535678] 7fa0: 0000000a 0000000a 00000001 b6e4b000 0000000a 00000000 # [ 78.544123] 7fc0: 0000000a 0000000a b6f92e00 00000004 00000001 00000000 00020000 bed48a64 # [ 78.552568] 7fe0: 00000004 bed48798 b6efd4cf b6e837e6 # [ 78.557888] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 78.564298] ---[ end trace c10b91bde76c15a1 ]--- # 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>[ 79.774245] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 79.780098] lkdtm: attempting good list addition <6>[ 79.785182] lkdtm: attempting corrupted list addition <3>[ 79.790538] lkdtm: list_add() corruption not detected! # [ 79.774245] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 79.780098] lkdtm: attempting good list addition # [ 79.785182] lkdtm: attempting corrupted list addition # [ 79.790538] 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>[ 80.134657] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 80.140510] lkdtm: attempting good list removal <6>[ 80.145395] lkdtm: attempting corrupted list removal <3>[ 80.150632] lkdtm: list_del() corruption not detected! # [ 80.134657] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 80.140510] lkdtm: attempting good list removal # [ 80.145395] lkdtm: attempting corrupted list removal # [ 80.150632] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 80.480552] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 80.487231] lkdtm: attempting bad read from page below current stack <3>[ 80.493939] lkdtm: FAIL: accessed page before stack! (byte: ff) # [ 80.480552] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 80.487231] lkdtm: attempting bad read from page below current stack # [ 80.493939] lkdtm: FAIL: accessed page before stack! (byte: ff) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 80.840972] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 80.847672] lkdtm: attempting bad read from page above current stack <3>[ 80.854347] lkdtm: FAIL: accessed page after stack! (byte: 19) # [ 80.840972] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 80.847672] lkdtm: attempting bad read from page above current stack # [ 80.854347] lkdtm: FAIL: accessed page after stack! (byte: 19) # 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>[ 81.201356] lkdtm: Performing direct entry UNSET_SMEP <3>[ 81.206768] lkdtm: XFAIL: this test is x86_64-only # [ 81.201356] lkdtm: Performing direct entry UNSET_SMEP # [ 81.206768] 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>[ 81.532624] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 81.538204] lkdtm: XFAIL: this test is ia32-only # [ 81.532624] lkdtm: Performing direct entry DOUBLE_FAULT # [ 81.538204] 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>[ 81.866490] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 81.871910] lkdtm: XFAIL: this test is arm64-only # [ 81.866490] lkdtm: Performing direct entry CORRUPT_PAC # [ 81.871910] 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>[ 82.205562] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 82.212291] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 82.205562] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 82.212291] 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>[ 82.878858] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 82.884871] lkdtm: Value in memory before free: 12345678 <6>[ 82.890491] lkdtm: Attempting bad read from freed memory <6>[ 82.896122] lkdtm: Memory was not poisoned # [ 82.878858] lkdtm: Performing direct entry READ_AFTER_FREE # [ 82.884871] lkdtm: Value in memory before free: 12345678 # [ 82.890491] lkdtm: Attempting bad read from freed memory # [ 82.896122] 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>[ 83.372449] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 83.378839] lkdtm: Value in memory before free: 12345678 <6>[ 83.384614] lkdtm: Attempting to read from freed memory <6>[ 83.390141] lkdtm: Buddy page was not poisoned # [ 83.372449] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 83.378839] lkdtm: Value in memory before free: 12345678 # [ 83.384614] lkdtm: Attempting to read from freed memory # [ 83.390141] 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>[ 83.716637] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 83.722512] lkdtm: Attempting double slab free ... # [ 83.716637] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 83.722512] 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>[ 84.061236] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 84.067271] lkdtm: Attempting cross-cache slab free ... # [ 84.061236] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 84.067271] 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>[ 84.404213] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 84.409895] lkdtm: Attempting non-Slab slab free ... # [ 84.404213] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 84.409895] 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>[ 85.521402] lkdtm: Performing direct entry EXEC_DATA <6>[ 85.526793] lkdtm: attempting ok execution at c0c35478 <6>[ 85.532238] lkdtm: attempting bad execution at c26f796c <1>[ 85.537857] 8<--- cut here --- <1>[ 85.541185] Unable to handle kernel paging request at virtual address c26f796c <1>[ 85.548686] pgd = d711ab2f <1>[ 85.551682] [c26f796c] *pgd=1261141e(bad) <0>[ 85.556012] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 85.561523] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.591070] CPU: 2 PID: 1706 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 85.599098] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.605922] PC is at data_area+0x0/0x40 <4>[ 85.610052] LR is at execute_location+0xa4/0xb4 <4>[ 85.614868] pc : [] lr : [] psr: 600e0013 <4>[ 85.621417] sp : c6bc5e38 ip : c6bc5d40 fp : c6bc5e54 <4>[ 85.626924] r10: 0000000a r9 : c1acdaec r8 : c15e879c <4>[ 85.632432] r7 : c6bc5f60 r6 : 00000001 r5 : c26f796c r4 : c0c35478 <4>[ 85.639241] r3 : 3e762321 r2 : 3e762321 r1 : ef7ab5e0 r0 : 0000002b <4>[ 85.646055] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 85.653475] Control: 10c5387d Table: 1682c04a DAC: 00000051 <0>[ 85.659506] Process cat (pid: 1706, stack limit = 0x6f2ea2e0) <0>[ 85.665536] Stack: (0xc6bc5e38 to 0xc6bc6000) <0>[ 85.670182] 5e20: 0000001f c69ff000 <0>[ 85.678652] 5e40: 0000000a c6bc5f60 c6bc5e64 c6bc5e58 c1364bb4 c13649b0 c6bc5e74 c6bc5e68 <0>[ 85.687120] 5e60: c0c34708 c1364b9c c6bc5e9c c6bc5e78 c0c34c08 c0c346e8 c0c34ae8 c6951680 <0>[ 85.695590] 5e80: b6eb1000 0000000a c30e7f00 c6bc5f60 c6bc5ec4 c6bc5ea0 c07e1144 c0c34af4 <0>[ 85.704058] 5ea0: 00000000 c6951680 b6eb1000 c2816000 c6bc5f60 c07e10e0 c6bc5f5c c6bc5ec8 <0>[ 85.712527] 5ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6bc4000 <0>[ 85.720998] 5ee0: b6eb1000 00020000 00000004 0000000a 0001fff6 c6bc5ee0 00000001 b6eb0000 <0>[ 85.729465] 5f00: c6b5fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 85.737933] 5f20: 00000000 00000000 c137a240 3e762321 c205caa0 c6951680 c6951680 c6bc4000 <0>[ 85.746402] 5f40: b6eb1000 00000000 00000000 00000004 c6bc5f94 c6bc5f60 c0599540 c0598eac <0>[ 85.754869] 5f60: 00000000 00000000 c6bc5fac 3e762321 0000000a 0000000a b6ff8e00 00000004 <0>[ 85.763338] 5f80: c03002e4 c6bc4000 c6bc5fa4 c6bc5f98 c05995d0 c05994d8 00000000 c6bc5fa8 <0>[ 85.771805] 5fa0: c03000c0 c05995c4 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 <0>[ 85.780272] 5fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 bef92a64 <0>[ 85.788739] 5fe0: 00000004 bef92798 b6f634cf b6ee97e6 800e0030 00000001 00000000 00000000 <0>[ 85.797193] Backtrace: <0>[ 85.799950] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 85.808423] r7:c6bc5f60 r6:0000000a r5:c69ff000 r4:0000001f <0>[ 85.814382] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 85.822767] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 85.831074] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 85.839286] r9:c6bc5f60 r8:c30e7f00 r7:0000000a r6:b6eb1000 r5:c6951680 r4:c0c34ae8 <0>[ 85.847332] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 85.855455] r9:c07e10e0 r8:c6bc5f60 r7:c2816000 r6:b6eb1000 r5:c6951680 r4:00000000 <0>[ 85.863492] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.870922] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c6bc4000 r5:c6951680 <0>[ 85.879032] r4:c6951680 <0>[ 85.881859] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.889286] r9:c6bc4000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000a r4:0000000a <0>[ 85.897326] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.905178] Exception stack(0xc6bc5fa8 to 0xc6bc5ff0) <0>[ 85.910518] 5fa0: 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 <0>[ 85.918985] 5fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 bef92a64 <0>[ 85.927447] 5fe0: 00000004 bef92798 b6f634cf b6ee97e6 <0>[ 85.932790] Code: 00000000 c42fc0c0 c42fc180 c42fc240 (e1a0c00d) <4>[ 85.939176] ---[ end trace c10b91bde76c15a2 ]--- # Segmentation fault # [ 85.521402] lkdtm: Performing direct entry EXEC_DATA # [ 85.526793] lkdtm: attempting ok execution at c0c35478 # [ 85.532238] lkdtm: attempting bad execution at c26f796c # [ 85.537857] 8<--- cut here --- # [ 85.541185] Unable to handle kernel paging request at virtual address c26f796c # [ 85.548686] pgd = d711ab2f # [ 85.551682] [c26f796c] *pgd=1261141e(bad) # [ 85.556012] Internal error: Oops: 8000000d [#3] SMP ARM # [ 85.561523] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.591070] CPU: 2 PID: 1706 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 85.599098] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.605922] PC is at data_area+0x0/0x40 # [ 85.610052] LR is at execute_location+0xa4/0xb4 # [ 85.614868] pc : [] lr : [] psr: 600e0013 # [ 85.621417] sp : c6bc5e38 ip : c6bc5d40 fp : c6bc5e54 # [ 85.626924] r10: 0000000a r9 : c1acdaec r8 : c15e879c # [ 85.632432] r7 : c6bc5f60 r6 : 00000001 r5 : c26f796c r4 : c0c35478 # [ 85.639241] r3 : 3e762321 r2 : 3e762321 r1 : ef7ab5e0 r0 : 0000002b # [ 85.646055] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.653475] Control: 10c5387d Table: 1682c04a DAC: 00000051 # [ 85.659506] Process cat (pid: 1706, stack limit = 0x6f2ea2e0) # [ 85.665536] Stack: (0xc6bc5e38 to 0xc6bc6000) # [ 85.670182] 5e20: 0000001f c69ff000 # [ 85.678652] 5e40: 0000000a c6bc5f60 c6bc5e64 c6bc5e58 c1364bb4 c13649b0 c6bc5e74 c6bc5e68 # [ 85.687120] 5e60: c0c34708 c1364b9c c6bc5e9c c6bc5e78 c0c34c08 c0c346e8 c0c34ae8 c6951680 # [ 85.695590] 5e80: b6eb1000 0000000a c30e7f00 c6bc5f60 c6bc5ec4 c6bc5ea0 c07e1144 c0c34af4 # [ 85.704058] 5ea0: 00000000 c6951680 b6eb1000 c2816000 c6bc5f60 c07e10e0 c6bc5f5c c6bc5ec8 # [ 85.712527] 5ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6bc4000 # [ 85.720998] 5ee0: b6eb1000 00020000 00000004 0000000a 0001fff6 c6bc5ee0 00000001 b6eb0000 # [ 85.729465] 5f00: c6b5fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.737933] 5f20: 00000000 00000000 c137a240 3e762321 c205caa0 c6951680 c6951680 c6bc4000 # [ 85.746402] 5f40: b6eb1000 00000000 00000000 00000004 c6bc5f94 c6bc5f60 c0599540 c0598eac # [ 85.754869] 5f60: 00000000 00000000 c6bc5fac 3e762321 0000000a 0000000a b6ff8e00 00000004 # [ 85.763338] 5f80: c03002e4 c6bc4000 c6bc5fa4 c6bc5f98 c05995d0 c05994d8 00000000 c6bc5fa8 # [ 85.771805] 5fa0: c03000c0 c05995c4 0000000a 0000000a 00000001 b6eb1000 0000000a 00000000 # [ 85.780272] 5fc0: 0000000a 0000000a b6ff8e00 00000004 00000001 00000000 00020000 bef92a64 # [ 85.788739] 5fe0: 00000004 bef92798 b6f634cf b6ee97e6 800e0030 00000001 00000000 00000000 # [ 85.797193] Backtrace: # [ 85.799950] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 85.808423] r7:c6bc5f60 r6:0000000a r5:c69ff000 r4:0000001f # [ 85.814382] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.822767] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.831074] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.839286] r9:c6bc5f60 r8:c30e7f00 r7:0000000a r6:b6eb1000 r5:c6951680 r4:c0c34ae8 # [ 85.847332] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 85.855455] r9:c07e10e0 r8:c6bc5f60 r7:c2816000 r6:b6eb1000 r5:c6951680 r4:00000000 # [ 85.863492] [] (vfs_write) from [[ 86.363430] lkdtm: Performing direct entry EXEC_STACK 99540>] (ksys_wri+[0 x 7 48/.369574] lkdtm: attempting ok execution at c0c35478 0xec) # [ 85.870922] r10:0000<6>[ 86.377126] lkdtm: attempting bad execution at c6ee7e0c 0004 r9:00000000 r8:00000000 r7:b<1>[ 86.385445] 8<--- cut here --- 6eb1000 r6<:1c>6[b c 4 08060. 3r91583] Unable to handle kernel paging request at virtual address c6ee7e0c :c6951680 #< 1[> [ 8 58.68.7400891] pgd = a5339fbf 032] r4:c6951680 # <[1 > [ 8 586.405766] [c6ee7e0c] *pgd=16e1141e(bad) .881859] [0]> [ ( k s86.412298] Internal error: Oops: 8000000d [#4] SMP ARM s_write) from [] (sys_w<4>[ 86.419947] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 rite+0x18/0x1c) # [< 4 > [8 5 . 86.451911] CPU: 2 PID: 1782 Comm: cat Tainted: G D W 5.10.165-cip24 #1 89286] :[c 6 b c8460.0406 2163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8:c03002e4 r7:00<040>0[0 0 4 8r6.470690] PC is at 0xc6ee7e0c :b6ff8e00 r5:000000<04a> [r 4 : 06.476176] LR is at execute_location+0xa4/0xb4 000000a # [< 4 > [8 5 . 88967.3483130] pc : [] lr : [] psr: 600e0013 6] [>[] ( s8y6s._4w1565] sp : c6ee7de8 ip : c6ee7cf0 fp : c6ee7e04 rite) fr [ [ < c8063.040908c69] r10: 0000000b r9 : c1acdaf8 r8 : c15e879c 0>] (ret_ft[_ s y s8c6a.l5l06003] r7 : c6ee7f60 r6 : 00000001 r5 : c6ee7e0c r4 : c0c35478 0x0/0x28<)4 > [# [ 8 6 .8551.4610] r3 : 2751e5c8 r2 : 2751e5c8 r1 : ef7ab5e0 r0 : 0000002b 05178] Exceptn[ s t a8c6k.(23135] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0xc6bc5fa8 to< 40>x[c 6 b c856.f532438] Control: 10c5387d Table: 16f2804a DAC: 00000051 0) # [ 85<.09>1[0 5 1 88]6 .5540351] Process cat (pid: 1782, stack limit = 0x03d8df21) a0: < 0 > [ 8 6 . 548266] Stack: (0xc6ee7de8 to 0xc6ee8000) 000000a 0000000a <000>0[0 0 0 081.554795] 7de0: c6ee6000 c69ff000 0000000b c6ee7f60 c6ee7e64 c6ee7e08 b6eb1000 000000<00a> [0 0 0 0860565313] 7e00: c1364bf0 c13649b0 c6ee7e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 000 # [ 85.91<809>8[5 ] 58f6.575744] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30e3374 e34c31b7 0: 0000000a 00<000>0[0 0 a 8b66.586261] 7e40: e3a02040 e3a01d33 e5930018 2751e5c8 0000000b 00000020 c6ee7e74 c6ee7e68 f8e00 00000004 <000>0[0 0 0 0816 596694] 7e60: c0c34708 c1364bc4 c6ee7e9c c6ee7e78 c0c34c08 c0c346e8 c0c34ae8 c6951e00 00000000 0002<000>0[0 b e8f69.207125] 7e80: b6e96000 0000000b c30e7f00 c6ee7f60 c6ee7ec4 c6ee7ea0 c07e1144 c0c34af4 a64 # [ 85.92<704>4[7 ] 58f6.617471] 7ea0: 00000000 c6951e00 b6e96000 c2816000 c6ee7f60 c07e10e0 c6ee7f5c c6ee7ec8 0: 00000004 bef92<709>8[ b 6 f86.627990] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6ee6000 34cf b6ee97e6 <#0 >[[ 8856.638508] 7ee0: b6e96000 00020000 00000004 0000000b 0001fff5 c6ee7ee0 00000001 b6e95000 932790] Code:< 00>0[0 0 0 08060. 48938] 7f00: c6d33540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 c42fc0c0 c42fc<108>0[ c 4 28f6c.659284] 7f20: 00000000 00000000 c137a240 2751e5c8 c205caa0 c6951e00 c6951e00 c6ee6000 40 (e1a0c00d) < 0#> [[ 8865669715] 7f40: b6e96000 00000000 00000000 00000004 c6ee7f94 c6ee7f60 c0599540 c0598eac .939176] ---[ d[ t r a8c6e.680146] 7f60: 00000000 00000000 c6ee7fac 2751e5c8 0000000b 0000000b b6fdde00 00000004 c10b91bde76c15a2< 0]>-[- - 8#6.690579] 7f80: c03002e4 c6ee6000 c6ee7fa4 c6ee7f98 c05995d0 c05994d8 00000000 c6ee7fa8 EXEC_DATA: missg[ ' c a8l6l701096] 7fa0: c03000c0 c05995c4 0000000b 0000000b 00000001 b6e96000 0000000b 00000000 trace:': [FAIL] t[ o k 86.711529] 7fc0: 0000000b 0000000b b6fdde00 00000004 00000001 00000000 00020000 bed4ea64 0 selftests: lt[m : E8X6E.722131] 7fe0: 00000004 bed4e798 b6f484cf b6ece7e6 800e0030 00000001 00000000 00000000 _DATA.sh # exit<=01> [ # s8e6l732558] Backtrace: ftests: lkdtm: EXEC_STK[. s 86.737270] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 86.748133] r7:c6ee7f60 r6:0000000b r5:c69ff000 r4:c6ee6000 <0>[ 86.754228] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 86.762669] r4:00000020 <0>[ 86.765472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 86.773750] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 86.781936] r9:c6ee7f60 r8:c30e7f00 r7:0000000b r6:b6e96000 r5:c6951e00 r4:c0c34ae8 <0>[ 86.789953] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 86.798052] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6e96000 r5:c6951e00 r4:00000000 <0>[ 86.806064] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 86.813468] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6ee6000 r5:c6951e00 <0>[ 86.821563] r4:c6951e00 <0>[ 86.824365] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 86.831768] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000000b r4:0000000b <0>[ 86.839782] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 86.847616] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) <0>[ 86.852937] 7fa0: 0000000b 0000000b 00000001 b6e96000 0000000b 00000000 <0>[ 86.861382] 7fc0: 0000000b 0000000b b6fdde00 00000004 00000001 00000000 00020000 bed4ea64 <0>[ 86.869825] 7fe0: 00000004 bed4e798 b6f484cf b6ece7e6 <0>[ 86.875147] Code: c6ee7e08 c1364bf0 c13649b0 c6ee7e6c (e1a0c00d) <4>[ 86.881509] ---[ end trace c10b91bde76c15a3 ]--- # Segmentation fault # [ 86.363430] lkdtm: Performing direct entry EXEC_STACK # [ 86.369574] lkdtm: attempting ok execution at c0c35478 # [ 86.377126] lkdtm: attempting bad execution at c6ee7e0c # [ 86.385445] 8<--- cut here --- # [ 86.391583] Unable to handle kernel paging request at virtual address c6ee7e0c # [ 86.400891] pgd = a5339fbf # [ 86.405766] [c6ee7e0c] *pgd=16e1141e(bad) # [ 86.412298] Internal error: Oops: 8000000d [#4] SMP ARM # [ 86.419947] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.451911] CPU: 2 PID: 1782 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 86.462163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.470690] PC is at 0xc6ee7e0c # [ 86.476176] LR is at execute_location+0xa4/0xb4 # [ 86.483130] pc : [] lr : [] psr: 600e0013 # [ 86.491565] sp : c6ee7de8 ip : c6ee7cf0 fp : c6ee7e04 # [ 86.498869] r10: 0000000b r9 : c1acdaf8 r8 : c15e879c # [ 86.506003] r7 : c6ee7f60 r6 : 00000001 r5 : c6ee7e0c r4 : c0c35478 # [ 86.514610] r3 : 2751e5c8 r2 : 2751e5c8 r1 : ef7ab5e0 r0 : 0000002b # [ 86.523135] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.532438] Control: 10c5387d Table: 16f2804a DAC: 00000051 # [ 86.540351] Process cat (pid: 1782, stack limit = 0x03d8df21) # [ 86.548266] Stack: (0xc6ee7de8 to 0xc6ee8000) # [ 86.554795] 7de0: c6ee6000 c69ff000 0000000b c6ee7f60 c6ee7e64 c6ee7e08 # [ 86.565313] 7e00: c1364bf0 c13649b0 c6ee7e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 86.575744] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30e3374 e34c31b7 # [ 86.586261] 7e40: e3a02040 e3a01d33 e5930018 2751e5c8 0000000b 00000020 c6ee7e74 c6ee7e68 # [ 86.596694] 7e60: c0c34708 c1364bc4 c6ee7e9c c6ee7e78 c0c34c08 c0c346e8 c0c34ae8 c6951e00 # [ 86.607125] 7e80: b6e96000 0000000b c30e7f00 c6ee7f60 c6ee7ec4 c6ee7ea0 c07e1144 c0c34af4 # [ 86.617471] 7ea0: 00000000 c6951e00 b6e96000 c2816000 c6ee7f60 c07e10e0 c6ee7f5c c6ee7ec8 # [ 86.627990] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6ee6000 # [ 86.638508] 7ee0: b6e96000 00020000 00000004 0000000b 0001fff5 c6ee7ee0 00000001 b6e95000 # [ 86.648938] 7f00: c6d33540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 86.659284] 7f20: 00000000 00000000 c137a240 2751e5c8 c205caa0 c6951e00 c6951e00 c6ee6000 # [ 86.669715] 7f40: b6e96000 00000000 00000000 00000004 c6ee7f94 c6ee7f60 c0599540 c0598eac # [ 86.680146] 7f60: 00000000 00000000 c6ee7fac 2751e5c8 0000000b 0000000b b6fdde00 00000004 # [ 86.690579] 7f80: c03002e4 c6ee6000 c6ee7fa4 c6ee7f98 c05995d0 c05994d8 00000000 c6ee7fa8 # [ 86.701096] 7fa0: c03000c0 c05995c4 0000000b 0000000b 00000001 b6e96000 0000000b 00000000 # [ 86.711529] 7fc0: 0000000b 0000000b b6fdde00 00000004 00000001 00000000 00020000 bed4ea64 # [ 86.722131] 7fe0: 00000004 bed4e798 b6f484cf b6ece7e6 800e0030 00000001 00000000 00000000 # [ 86.732558] Backtrace: # [ 86.737270] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 86.748133] r7:c6ee7f60 r6:0000000b r5:c69ff000 r4:c6ee6000 # [ 86.754228] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.762669] r4:00000020 # [ 86.765472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.773750] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.781936] r9:c6ee7f60 r8:c30e7f00 r7:0000000b r6:b6e96000 r5:c6951e00 r4:c0c34ae8 # [ 86.789953] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 86.798052] r9:c07e10e0<6>[ 87.339292] lkdtm: Performing direct entry EXEC_KMALLOC r8:c6ee7f60 r7:c2816000 r6:b6e96<6>[ 87.345203] lkdtm: attempting ok execution at c0c35478 000 r5:c6951e00 r4:00000000 # [ <6>[ 87.353543] lkdtm: attempting bad execution at c6c24440 86.806064] [] (vfs_wr<1>[ 87.361754] 8<--- cut here --- ite) from [<<1c>0[5 9 9 5874.03>67910] Unable to handle kernel paging request at virtual address c6c24440 (ksys_wri+[0 x 7 48/70.x3e77216] pgd = 0de12c0e ) # [ 86.813468] r10:00<010>0 87.382005] [c6c24440] *pgd=16c1141e(bad) 004 r9:00000000 r<80:>0[0 0 0 080.388796] Internal error: Oops: 8000000d [#5] SMP ARM 00 r7:b6e96000 r6:c6ee6000 r5:c69<4>[ 87.396360] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 51e00 # [ 86.821<546>3[] r7.428321] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.165-cip24 #1 4:c6951e00< 4 >#[ [ 8 78.643.486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 824365] [>][ ( k s8y.447014] PC is at 0xc6c24440 s_write) from [d[0 > ] 87.452498] LR is at execute_location+0xa4/0xb4 (sys_write+08[/ 0 x 18c7). 459538] pc : [] lr : [] psr: 600e0013 # [ 86.8<341>7[6 8 ] 8 7r.946:971] sp : c6f39e30 ip : 00000027 fp : c6f39e4c c6ee6000 :[c 0 3 08072.e447 189] r10: 0000000d r9 : c1acdb04 r8 : c15e879c r7:00000004< 4r>6[: b 6 f8d7d.e402410] r7 : c6f39f60 r6 : 00000001 r5 : c6c24440 r4 : c0c35478 0 r5:000<040>0[0 b r847:.040901016] r3 : 3be7e95c r2 : 3be7e95c r1 : ef7965e4 r0 : 0000002b 000b # [ 86<.48>3[9 7 8 28]7 .499541] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ]< 4(>s[y s _ w8r7i.t5e8930] Control: 10c5387d Table: 15fa004a DAC: 00000051 ) from [0[c 0 >8]7 .(5r6755] Process cat (pid: 1861, stack limit = 0xfcef528d) et_fast_sya[l l + 08x70./5024581] Stack: (0xc6f39e30 to 0xc6f3a000) 28) # [ 86.847<601>6[] E x8c.531024] 9e20: c6c24440 c2b28000 0000000d c6f39f60 eption stack(0xe[e 7 f a887 541541] 9e40: c6f39e64 c6f39e50 c0c354c8 c13649b0 00000021 c2b28000 c6f39e74 c6f39e68 to 0xc6ee7ff0)< 0 >#[ [ 8 78.551973] 9e60: c0c34708 c0c3549c c6f39e9c c6f39e78 c0c34c08 c0c346e8 c0c34ae8 c6d32640 .852937] 7fa0: < 0 > [ 87.562406] 9e80: b6dff000 0000000d c30e7f00 c6f39f60 c6f39ec4 c6f39ea0 c07e1144 c0c34af4 0000000b <000>0[0 0 0 08b7.573010] 9ea0: 00000000 c6d32640 b6dff000 c2816000 c6f39f60 c07e10e0 c6f39f5c c6f39ec8 00000001 b6e9600<00 >0[0 0 0 0807.583528] 9ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c59e45e4 c0599540 c6f38000 b 00000000 # [ < 08>6[. 8 6 183.594046] 9ee0: b6dff000 00020000 00000004 0000000d 0001fff3 c6f39ee0 00000001 00000805 82] 7fc0: 00000000[0 0 0 080.604564] 9f00: c6b5e780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0b b6fdde00 00<000>0[0 0 4 8070.615080] 9f20: 00000000 00000000 c6f38000 3be7e95c b6dfe000 c6d32640 c6d32640 c6f38000 00001 00000000 0<000>2[0 0 0 08 7.625512] 9f40: b6dff000 00000000 00000000 00000004 c6f39f94 c6f39f60 c0599540 c0598eac ed4ea64 # [ 86<.08>6[9 8 2 58].636031] 9f60: 00000000 00000000 c6f39fac 3be7e95c 0000000d 0000000d b6f46e00 00000004 7fe0: 00000004 d[4 e 78978646546] 9f80: c03002e4 c6f38000 c6f39fa4 c6f39f98 c05995d0 c05994d8 00000000 c6f39fa8 b6f484cf b6ece7e<60 > [# [ 8 .656978] 9fa0: c03000c0 c05995c4 0000000d 0000000d 00000001 b6dff000 0000000d 00000000 86.875147] Cod [c 6 e e877e667495] 9fc0: 0000000d 0000000d b6f46e00 00000004 00000001 00000000 00020000 bee61a64 08 c1364bf0 c1364<90b>0[ c 6 e8e.677926] 9fe0: 00000004 bee61798 b6eb14cf b6e377e6 800e0030 00000001 00000000 00000000 7e6c (e1a0c00d) < 0>#[ [ 8 7.688438] Backtrace: 6.881509] ---[ end trace c10b<901[ 87.693240] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) bde76c15a3 ]--- <#0 >E[X E C _8S.704531] r7:c6f39f60 r6:0000000d r5:c2b28000 r4:c6c24440 TACK: missing 'call tc[e : '87.712534] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) : [FAIL] t[ o k 8371. 7s23393] r5:c2b28000 r4:00000021 lftests: lkdtm: EX_[S T A C87.729053] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) .sh # exit=1 # selftests<:0 >l[k 87.739490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) dtm: EXEC_KMALLOC.s [ 87.750089] r9:c6f39f60 r8:c30e7f00 r7:0000000d r6:b6dff000 r5:c6d32640 r4:c0c34ae8 <0>[ 87.760003] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 87.768102] r9:c07e10e0 r8:c6f39f60 r7:c2816000 r6:b6dff000 r5:c6d32640 r4:00000000 <0>[ 87.776114] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 87.783519] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c6f38000 r5:c6d32640 <0>[ 87.791613] r4:c6d32640 <0>[ 87.794419] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 87.801825] r9:c6f38000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:0000000d r4:0000000d <0>[ 87.809842] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 87.817675] Exception stack(0xc6f39fa8 to 0xc6f39ff0) <0>[ 87.822996] 9fa0: 0000000d 0000000d 00000001 b6dff000 0000000d 00000000 <0>[ 87.831442] 9fc0: 0000000d 0000000d b6f46e00 00000004 00000001 00000000 00020000 bee61a64 <0>[ 87.839887] 9fe0: 00000004 bee61798 b6eb14cf b6e377e6 <0>[ 87.845209] Code: c6c24c71 00000000 00000000 00000000 (e1a0c00d) <4>[ 87.851574] ---[ end trace c10b91bde76c15a4 ]--- # Segmentation fault # [ 87.339292] lkdtm: Performing direct entry EXEC_KMALLOC # [ 87.345203] lkdtm: attempting ok execution at c0c35478 # [ 87.353543] lkdtm: attempting bad execution at c6c24440 # [ 87.361754] 8<--- cut here --- # [ 87.367910] Unable to handle kernel paging request at virtual address c6c24440 # [ 87.377216] pgd = 0de12c0e # [ 87.382005] [c6c24440] *pgd=16c1141e(bad) # [ 87.388796] Internal error: Oops: 8000000d [#5] SMP ARM # [ 87.396360] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.428321] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 87.438486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.447014] PC is at 0xc6c24440 # [ 87.452498] LR is at execute_location+0xa4/0xb4 # [ 87.459538] pc : [] lr : [] psr: 600e0013 # [ 87.467971] sp : c6f39e30 ip : 00000027 fp : c6f39e4c # [ 87.475189] r10: 0000000d r9 : c1acdb04 r8 : c15e879c # [ 87.482410] r7 : c6f39f60 r6 : 00000001 r5 : c6c24440 r4 : c0c35478 # [ 87.491016] r3 : 3be7e95c r2 : 3be7e95c r1 : ef7965e4 r0 : 0000002b # [ 87.499541] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.508930] Control: 10c5387d Table: 15fa004a DAC: 00000051 # [ 87.516755] Process cat (pid: 1861, stack limit = 0xfcef528d) # [ 87.524581] Stack: (0xc6f39e30 to 0xc6f3a000) # [ 87.531024] 9e20: c6c24440 c2b28000 0000000d c6f39f60 # [ 87.541541] 9e40: c6f39e64 c6f39e50 c0c354c8 c13649b0 00000021 c2b28000 c6f39e74 c6f39e68 # [ 87.551973] 9e60: c0c34708 c0c3549c c6f39e9c c6f39e78 c0c34c08 c0c346e8 c0c34ae8 c6d32640 # [ 87.562406] 9e80: b6dff000 0000000d c30e7f00 c6f39f60 c6f39ec4 c6f39ea0 c07e1144 c0c34af4 # [ 87.573010] 9ea0: 00000000 c6d32640 b6dff000 c2816000 c6f39f60 c07e10e0 c6f39f5c c6f39ec8 # [ 87.583528] 9ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c59e45e4 c0599540 c6f38000 # [ 87.594046] 9ee0: b6dff000 00020000 00000004 0000000d 0001fff3 c6f39ee0 00000001 00000805 # [ 87.604564] 9f00: c6b5e780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.615080] 9f20: 00000000 00000000 c6f38000 3be7e95c b6dfe000 c6d32640 c6d32640 c6f38000 # [ 87.625512] 9f40: b6dff000 00000000 00000000 00000004 c6f39f94 c6f39f60 c0599540 c0598eac # [ 87.636031] 9f60: 00000000 00000000 c6f39fac 3be7e95c 0000000d 0000000d b6f46e00 00000004 # [ 87.646546] 9f80: c03002e4 c6f38000 c6f39fa4 c6f39f98 c05995d0 c05994d8 00000000 c6f39fa8 # [ 87.656978] 9fa0: c03000c0 c05995c4 0000000d 0000000d 00000001 b6dff000 0000000d 00000000 # [ 87.667495] 9fc0: 0000000d 0000000d b6f46e00 00000004 00000001 00000000 00020000 bee61a64 # [ 87.677926] 9fe0: 00000004 bee61798 b6eb14cf b6e377e6 800e0030 00000001 00000000 00000000 # [ 87.688438] Backtrace: # [ 87.693240] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 87.704531] r7:c6f39f60 r6:0000000d r5:c2b28000 r4:c6c24440 # [ 87.712534] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.723393] r5:c2b28000 r4:00000021 # [ 87.729053] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.739490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.750089] r9:c6f39f60 r8:c30e7f00 r7:0000000d r6:b6dff000 r5:c6d32640 r4:c0c34ae8 # [ 87.760003] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 87.768102] r9:c07e10e0 r8:c6f39f60 r7:c2816000 r6:b6dff000 r5:c6d32640 r4:00000000 # [ 87.776114] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.783519] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c6f38000 r5:c6d32640 # [ 87.791613] r4:c6d32640 # [ 87.794419] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.801825] r9:c6f38000 r8:c03002e4 r7:00000004 r6:<6>[ 88.316880] lkdtm: Performing direct entry EXEC_VMALLOC b6f46e00 r5:0000000d r4:0000000d <6>[ 88.322937] lkdtm: attempting ok execution at c0c35478 # [ 87.809842] [5[b 8 88.331076] lkdtm: attempting bad execution at f096c000 >] (sys_write) from [] <1>[ 88.339013] 8<--- cut here --- (ret_fast_syscall+0x0/0x28) # [ <1>[ 88.345168] Unable to handle kernel paging request at virtual address f096c000 87.817675] Exception stack(0xc6<1>[ 88.355508] pgd = 58db0a74 f39fa8 to 0xc6f39ff0) # [ 87.8<1>[ 88.361277] [f096c000] *pgd=12949811, *pte=494f265f, *ppte=494f245f 22996] 9fa0: 00<0>[ 88.370745] Internal error: Oops: 8000000f [#6] SMP ARM 00000d 0000000d 00000001 b6dff000<4>[ 88.379019] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 0000000d 00000000 # <[4 > [ 8 88.411010] CPU: 1 PID: 1938 Comm: cat Tainted: G D W 5.10.165-cip24 #1 .831442] 9fc0<:4 >0[ 0 0 08080.0421351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000d b6f46e00 00<040>0[0 0 88.430054] PC is at 0xf096c000 00000001 00000000 0002000<04 >b[ 88.435715] LR is at execute_location+0xa4/0xb4 e61a64 # [ 87.<843>9[8 8 7 ]8 .443015] pc : [] lr : [] psr: 600e0013 9fe0: 0000000<44 >b[e e 6 18789.851624] sp : c6f27e30 ip : c6f27d38 fp : c6f27e4c b6eb14cf b<64e>3[7 7 e868 . 4#59015] r10: 0000000d r9 : c1acdb14 r8 : c15e879c [ 87.845209<]4 >C[o d e :8 8c.666324] r7 : c6f27f60 r6 : 00000001 r5 : f096c000 r4 : c0c35478 c24c71 000<040>0[0 0 08080.04075018] r3 : 1c4f366f r2 : 1c4f366f r1 : ef7965e0 r0 : 0000002b 00 00000000 (e1c[0 0 d )8 8 483630] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.85157<44]> [- - - 8[8 .493020] Control: 10c5387d Table: 16f5004a DAC: 00000051 nd trace c10b91bde<706>c[1 5 a 488.501023] Process cat (pid: 1938, stack limit = 0x97f78f43) ]--- # EXEC_KL[L O C :8 8m.509196] Stack: (0xc6f27e30 to 0xc6f28000) ssing 'call trace:'<:0 >[[F A I L8.515813] 7e20: f096c000 c2b28000 0000000d c6f27f60 ] not ok 32 selftes:[ l k 88.526420] 7e40: c6f27e64 c6f27e50 c0c354fc c13649b0 00000022 c2b28000 c6f27e74 c6f27e68 tm: EXEC_KMALLOC.sh< 0#> [ e x i88.537111] 7e60: c0c34708 c0c354e0 c6f27e9c c6f27e78 c0c34c08 c0c346e8 c0c34ae8 c6d33e00 =1 # selftests: lkm[: E X8.547717] 7e80: b6eb2000 0000000d c30e7f00 c6f27f60 c6f27ec4 c6f27ea0 c07e1144 c0c34af4 EC_VMALLOC.sh <0>[ 88.558324] 7ea0: 00000000 c6d33e00 b6eb2000 c2816000 c6f27f60 c07e10e0 c6f27f5c c6f27ec8 <0>[ 88.568061] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6f26000 <0>[ 88.576510] 7ee0: b6eb2000 00020000 00000004 0000000d 0001fff3 c6f27ee0 00000001 b6eb1000 <0>[ 88.584960] 7f00: c5d8b400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 88.593409] 7f20: 00000000 00000000 c137a240 1c4f366f c205caa0 c6d33e00 c6d33e00 c6f26000 <0>[ 88.601861] 7f40: b6eb2000 00000000 00000000 00000004 c6f27f94 c6f27f60 c0599540 c0598eac <0>[ 88.610310] 7f60: 00000000 00000000 c6f27fac 1c4f366f 0000000d 0000000d b6ff9e00 00000004 <0>[ 88.618759] 7f80: c03002e4 c6f26000 c6f27fa4 c6f27f98 c05995d0 c05994d8 00000000 c6f27fa8 <0>[ 88.627208] 7fa0: c03000c0 c05995c4 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 <0>[ 88.635656] 7fc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beefea64 <0>[ 88.644105] 7fe0: 00000004 beefe798 b6f644cf b6eea7e6 800e0030 00000001 00000000 00000000 <0>[ 88.652548] Backtrace: <0>[ 88.655283] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 88.663994] r7:c6f27f60 r6:0000000d r5:c2b28000 r4:f096c000 <0>[ 88.669928] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 88.678548] r5:c2b28000 r4:00000022 <0>[ 88.682399] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 88.690681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 88.698870] r9:c6f27f60 r8:c30e7f00 r7:0000000d r6:b6eb2000 r5:c6d33e00 r4:c0c34ae8 <0>[ 88.706892] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 88.714997] r9:c07e10e0 r8:c6f27f60 r7:c2816000 r6:b6eb2000 r5:c6d33e00 r4:00000000 <0>[ 88.723014] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 88.730423] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c6f26000 r5:c6d33e00 <0>[ 88.738519] r4:c6d33e00 <0>[ 88.741329] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 88.748737] r9:c6f26000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000d r4:0000000d <0>[ 88.756757] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 88.764593] Exception stack(0xc6f27fa8 to 0xc6f27ff0) <0>[ 88.769916] 7fa0: 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 <0>[ 88.778365] 7fc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beefea64 <0>[ 88.786814] 7fe0: 00000004 beefe798 b6f644cf b6eea7e6 <0>[ 88.792143] Code: bad PC value <4>[ 88.795609] ---[ end trace c10b91bde76c15a5 ]--- # Segmentation fault # [ 88.316880] lkdtm: Performing direct entry EXEC_VMALLOC # [ 88.322937] lkdtm: attempting ok execution at c0c35478 # [ 88.331076] lkdtm: attempting bad execution at f096c000 # [ 88.339013] 8<--- cut here --- # [ 88.345168] Unable to handle kernel paging request at virtual address f096c000 # [ 88.355508] pgd = 58db0a74 # [ 88.361277] [f096c000] *pgd=12949811, *pte=494f265f, *ppte=494f245f # [ 88.370745] Internal error: Oops: 8000000f [#6] SMP ARM # [ 88.379019] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.411010] CPU: 1 PID: 1938 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 88.421351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.430054] PC is at 0xf096c000 # [ 88.435715] LR is at execute_location+0xa4/0xb4 # [ 88.443015] pc : [] lr : [] psr: 600e0013 # [ 88.451624] sp : c6f27e30 ip : c6f27d38 fp : c6f27e4c # [ 88.459015] r10: 0000000d r9 : c1acdb14 r8 : c15e879c # [ 88.466324] r7 : c6f27f60 r6 : 00000001 r5 : f096c000 r4 : c0c35478 # [ 88.475018] r3 : 1c4f366f r2 : 1c4f366f r1 : ef7965e0 r0 : 0000002b # [ 88.483630] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.493020] Control: 10c5387d Table: 16f5004a DAC: 00000051 # [ 88.501023] Process cat (pid: 1938, stack limit = 0x97f78f43) # [ 88.509196] Stack: (0xc6f27e30 to 0xc6f28000) # [ 88.515813] 7e20: f096c000 c2b28000 0000000d c6f27f60 # [ 88.526420] 7e40: c6f27e64 c6f27e50 c0c354fc c13649b0 00000022 c2b28000 c6f27e74 c6f27e68 # [ 88.537111] 7e60: c0c34708 c0c354e0 c6f27e9c c6f27e78 c0c34c08 c0c346e8 c0c34ae8 c6d33e00 # [ 88.547717] 7e80: b6eb2000 0000000d c30e7f00 c6f27f60 c6f27ec4 c6f27ea0 c07e1144 c0c34af4 # [ 88.558324] 7ea0: 00000000 c6d33e00 b6eb2000 c2816000 c6f27f60 c07e10e0 c6f27f5c c6f27ec8 # [ 88.568061] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6f26000 # [ 88.576510] 7ee0: b6eb2000 00020000 00000004 0000000d 0001fff3 c6f27ee0 00000001 b6eb1000 # [ 88.584960] 7f00: c5d8b400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.593409] 7f20: 00000000 00000000 c137a240 1c4f366f c205caa0 c6d33e00 c6d33e00 c6f26000 # [ 88.601861] 7f40: b6eb2000 00000000 00000000 00000004 c6f27f94 c6f27f60 c0599540 c0598eac # [ 88.610310] 7f60: 00000000 00000000 c6f27fac 1c4f366f 0000000d 0000000d b6ff9e00 00000004 # [ 88.618759] 7f80: c03002e4 c6f26000 c6f27fa4 c6f27f98 c05995d0 c05994d8 00000000 c6f27fa8 # [ 88.627208] 7fa0: c03000c0 c05995c4 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 # [ 88.635656] 7fc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beefea64 # [ 88.644105] 7fe0: 00000004 beefe798 b6f644cf b6eea7e6 800e0030 00000001 00000000 00000000 # [ 88.652548] Backtrace: # [ 88.655283] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 88.663994] r7:c6f27f60 r6:0000000d r5:c2b28000 r4:f096c000 # [ 88.669928] [] (lkdtm_EXEC_VMALLOC) from [[ 89.192663] lkdtm: Performing direct entry EXEC_RODATA 8>] (lkdtm_do_action+0x2c/0x4c) <6>[ 89.199560] lkdtm: attempting ok execution at c0c35478 # [ 88.678548] r5:c2b28000 r4:<6>[ 89.207690] lkdtm: attempting bad execution at c15e8a38 00000022 # [ 88.682399] [[ 89.216066] 8<--- cut here --- 46dc>] (lkdtm_do_action) from< 1[[ 89.222171] Unable to handle kernel paging request at virtual address c15e8a38 ] (direct_entry+0x1<210[ 89.232261] pgd = 374487bc /0x18c) # [ 88.690681] [[ 89.237831] [c15e8a38] *pgd=1141941e(bad) ae8>] (direct_entry) from [[ 89.244974] Internal error: Oops: 8000000d [#7] SMP ARM 144>] (full_proxy_write+0x64/0x94<4>[ 89.253317] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ) # [ 88.698870] r9:c6f27f60 <4>[ 89.285286] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.165-cip24 #1 r8:c30e7f00 r7:0000000d r6:b<64e>[ 89.296144] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 2000 r5:c6d33e00 r4:c0c34ae8 # [<4>[ 89.305555] PC is at lkdtm_rodata_do_nothing+0x0/0x10 88.706892] [] (full_<4>[ 89.313718] LR is at execute_location+0xa4/0xb4 proxy_write) from [<]4 [ 89.321365] pc : [] lr : [] psr: 600e0013 (vfs_write+0x10c/0x524)< 4 >#[ [ 89.330491] sp : c6c9de38 ip : c6c9dd40 fp : c6c9de54 88.714997] r9:c07e10e0< 4r>8[ 89.338319] r10: 0000000c r9 : c1acdb24 r8 : c15e879c c6f27f60 r7:c2816000 r6:b6e0 89.346320] r7 : c6c9df60 r6 : 00000000 r5 : c15e8a38 r4 : c0c35478 00 r5:c6d33e00 r4:00000000< 4 >#[ 89.355623] r3 : ae06f2de r2 : ae06f2de r1 : ef7965e0 r0 : 0000002b [ 88.723014] [] (vfs_4>[ 89.364933] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none write) from [] (ksys_w<4>[ 89.375102] Control: 10c5387d Table: 16f2c04a DAC: 00000051 ite+0x74/0xec) # [ 88.730423] <0>[ 89.383886] Process cat (pid: 2015, stack limit = 0xa8a08598) r10:00000004 r9:00000000 r8<:00>[ 89.392753] Stack: (0xc6c9de38 to 0xc6c9e000) 000000 r7:b6eb2000 r6:c6f26000 r5<0>[ 89.399976] de20: 00000023 c5f07000 :c6d33e00 # [ 88.738519] r4:c<0>[ 89.411283] de40: 0000000c c6c9df60 c6c9de64 c6c9de58 c1364c30 c13649b0 c6c9de74 c6c9de68 6d33e00 # [ 88.741329] [[ 89.422579] de60: c0c34708 c1364c18 c6c9de9c c6c9de78 c0c34c08 c0c346e8 c0c34ae8 c6951540 4cc>] (ksys_write) from [[ 89.433880] de80: b6dce000 0000000c c30e7f00 c6c9df60 c6c9dec4 c6c9dea0 c07e1144 c0c34af4 0>] (sys_write+0x18/0x1c) # [ <0>[ 89.445181] dea0: 00000000 c6951540 b6dce000 c2816000 c6c9df60 c07e10e0 c6c9df5c c6c9dec8 88.748737] r9:c6f26000 r8:c03002<0>[ 89.456481] dec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6c9c000 e4 r7:00000004 r6:b6ff9e00 r5:000<0>[ 89.467781] dee0: b6dce000 00020000 00000004 0000000c 0001fff4 c6c9dee0 00000001 b6dcd000 0000d r4:0000000d # [ 88.75675<0>[ 89.479079] df00: c6b5fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 7] [] (sys_write) from <0>[ 89.490381] df20: 00000000 00000000 c137a240 ae06f2de c205caa0 c6951540 c6951540 c6c9c000 [] (ret_fast_syscall+0x<0>[ 89.501679] df40: b6dce000 00000000 00000000 00000004 c6c9df94 c6c9df60 c0599540 c0598eac 0/0x28) # [ 88.764593] Excepti<0>[ 89.512980] df60: 00000000 00000000 c6c9dfac ae06f2de 0000000c 0000000c b6f15e00 00000004 on stack(0xc6f27fa8 to 0xc6f27ff0<0>[ 89.524278] df80: c03002e4 c6c9c000 c6c9dfa4 c6c9df98 c05995d0 c05994d8 00000000 c6c9dfa8 ) # [ 88.769916] 7fa0: <0>[ 89.535581] dfa0: c03000c0 c05995c4 0000000c 0000000c 00000001 b6dce000 0000000c 00000000 0000000d 0000000d 0000<0>[ 89.546879] dfc0: 0000000c 0000000c b6f15e00 00000004 00000001 00000000 00020000 be85fa64 0001 b6eb2000 0000000d 00000000 <0>[ 89.558179] dfe0: 00000004 be85f798 b6e804cf b6e067e6 800e0030 00000001 00000000 00000000 # [ 88.778365] 7fc0: 0000000d 0<0>[ 89.569465] Backtrace: 000000d b6ff9e00 00000004 0000000<0>[ 89.575058] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 1 00000000 00020000 beefea64 # [<0>[ 89.586521] r7:c6c9df60 r6:0000000c r5:c5f07000 r4:00000023 88.786814] 7fe0: 00000004 beef<0>[ 89.595310] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) e798 b6f644cf b6eea7e6 # [ 88.<0>[ 89.606694] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 792143] Code: bad PC value # [ <0>[ 89.617829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 88.795609] ---[ end trace c10b91<0>[ 89.628856] r9:c6c9df60 r8:c30e7f00 r7:0000000c r6:b6dce000 r5:c6951540 r4:c0c34ae8 bde76c15a5 ]--- # EXEC_VMALLOC: <0>[ 89.639732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) missing 'call trace:': [FAIL] no<0>[ 89.650674] r9:c07e10e0 r8:c6c9df60 r7:c2816000 r6:b6dce000 r5:c6951540 r4:00000000 t ok 33 selftests: lkdtm: EXEC_VM<0>[ 89.661541] [] (vfs_write) from [] (ksys_write+0x74/0xec) ALLOC.sh # exit=1 # selftests: l<0>[ 89.671798] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6c9c000 r5:c6951540 kdtm: EXEC_RODATA.sh <0>[ 89.682739] r4:c6951540 <0>[ 89.687454] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 89.694881] r9:c6c9c000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:0000000c r4:0000000c <0>[ 89.702922] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 89.710773] Exception stack(0xc6c9dfa8 to 0xc6c9dff0) <0>[ 89.716113] dfa0: 0000000c 0000000c 00000001 b6dce000 0000000c 00000000 <0>[ 89.724580] dfc0: 0000000c 0000000c b6f15e00 00000004 00000001 00000000 00020000 be85fa64 <0>[ 89.733042] dfe0: 00000004 be85f798 b6e804cf b6e067e6 <0>[ 89.738385] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 89.744770] ---[ end trace c10b91bde76c15a6 ]--- # Segmentation fault # [ 89.192663] lkdtm: Performing direct entry EXEC_RODATA # [ 89.199560] lkdtm: attempting ok execution at c0c35478 # [ 89.207690] lkdtm: attempting bad execution at c15e8a38 # [ 89.216066] 8<--- cut here --- # [ 89.222171] Unable to handle kernel paging request at virtual address c15e8a38 # [ 89.232261] pgd = 374487bc # [ 89.237831] [c15e8a38] *pgd=1141941e(bad) # [ 89.244974] Internal error: Oops: 8000000d [#7] SMP ARM # [ 89.253317] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.285286] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 89.296144] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.305555] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 89.313718] LR is at execute_location+0xa4/0xb4 # [ 89.321365] pc : [] lr : [] psr: 600e0013 # [ 89.330491] sp : c6c9de38 ip : c6c9dd40 fp : c6c9de54 # [ 89.338319] r10: 0000000c r9 : c1acdb24 r8 : c15e879c # [ 89.346320] r7 : c6c9df60 r6 : 00000000 r5 : c15e8a38 r4 : c0c35478 # [ 89.355623] r3 : ae06f2de r2 : ae06f2de r1 : ef7965e0 r0 : 0000002b # [ 89.364933] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 89.375102] Control: 10c5387d Table: 16f2c04a DAC: 00000051 # [ 89.383886] Process cat (pid: 2015, stack limit = 0xa8a08598) # [ 89.392753] Stack: (0xc6c9de38 to 0xc6c9e000) # [ 89.399976] de20: 00000023 c5f07000 # [ 89.411283] de40: 0000000c c6c9df60 c6c9de64 c6c9de58 c1364c30 c13649b0 c6c9de74 c6c9de68 # [ 89.422579] de60: c0c34708 c1364c18 c6c9de9c c6c9de78 c0c34c08 c0c346e8 c0c34ae8 c6951540 # [ 89.433880] de80: b6dce000 0000000c c30e7f00 c6c9df60 c6c9dec4 c6c9dea0 c07e1144 c0c34af4 # [ 89.445181] dea0: 00000000 c6951540 b6dce000 c2816000 c6c9df60 c07e10e0 c6c9df5c c6c9dec8 # [ 89.456481] dec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6c9c000 # [ 89.467781] dee0: b6dce000 00020000 00000004 0000000c 0001fff4 c6c9dee0 00000001 b6dcd000 # [ 89.479079] df00: c6b5fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 89.490381] df20: 00000000 00000000 c137a240 ae06f2de c205caa0 c6951540 c6951540 c6c9c000 # [ 89.501679] df40: b6dce000 00000000 00000000 00000004 c6c9df94 c6c9df60 c0599540 c0598eac # [ 89.512980] df60: 00000000 00000000 c6c9dfac ae06f2de 0000000c 0000000c b6f15e00 00000004 # [ 89.524278] df80: c03002e4 c6c9c000 c6c9dfa4 c6c9df98 c05995d0 c05994d8 00000000 c6c9dfa8 # [ 89.535581] dfa0: c03000c0 c05995c4 0000000c 0000000c 00000001 b6dce000 0000000c 00000000 # [ 89.546879] dfc0: 0000000c 0000000c b6f15e00 00000004 00000001 00000000 00020000 be85fa64 # [ 89.558179] dfe0: 00000004 be85f798 b6e804cf b6e067e6 800e0030 00000001 00000000 00000000 # [ 89.569465] Backtrace: # [ 89.575058] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 89.586521] r7:c6c9df60 r6:0000000c r5:c5f07000 r4:00000023 # [ 89.595310] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.606694] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.617829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.628856] r9:c6c9df60 r8:c30e7f00 r7:0000000c r6:b6dce000 r5:c6951540 r4:c0c34ae8 # [ 89.639732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 89.650674] r9:c07e10e0 r8:c6c9df60 r7:c2816000 r6:b6dce000 r5:c6951540 r4:00000000 # [ 89.661541] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.671798] r10:000<6>[ 90.189328] lkdtm: Performing direct entry EXEC_USERSPACE 00004 r9:00000000 r8:00000000 r7:<6>[ 90.195759] lkdtm: attempting ok execution at c0c35478 b6dce000 r6:c6c9c000 r5:c6951540 <6>[ 90.204273] lkdtm: attempting bad execution at b6f08000 # [ 89.682739] r4:c6951540 #<1>[ 90.212311] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f08000 [ 89.687454] [<5[9 9 4 c90.222553] Internal error: : b [#8] SMP ARM >] (ksys_write) from []<4>[ 90.229250] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 (sys_write+0x18/0x<14c>)[ # 0.261215] CPU: 2 PID: 2091 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 89.69<448>8[1 ] 9r09.:2c76382] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c9c000 r8:c03002e4< 4>r[7 : 0 090.279910] PC is at 0xb6f08000 00004 r6:b6f15e00 r5:<040>0[0 0 90.285396] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 0c r4:000000<04c> [ # [9 0 . 292783] pc : [] lr : [] psr: 600e0013 9.702922<4]> [[ < c 09509.9350b1816] sp : c6dc7e48 ip : 00000027 fp : c6dc7e64 >] (sys_i[t e ) 9f0r.o3m0 8349] r10: 0000000f r9 : c1acdb30 r8 : c15e879c <]4 >([r e t _9f0a.s3t15570] r7 : c6dc7f60 r6 : 0000000f r5 : c69ff000 r4 : b6f08000 syscall<+40>x[0 / 0 x9208.)3 2 4#78] r3 : cb296bb3 r2 : cb296bb3 r1 : ef7ab5e4 r0 : 0000002b [ 89.71077<34]> [E x c e9p0.t332617] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none on stack(0xc[9 d f a980 .t3o1919] Control: 10c5387d Table: 16e6404a DAC: 00000051 0xc6c9dff0) < 0#> [[ 9809..49747] Process cat (pid: 2091, stack limit = 0x4484d816) 716113] dfa0<:0 > [ 9 0 . 357662] Stack: (0xc6dc7e48 to 0xc6dc8000) 0000000c< 00>0[0 0 0 090.364190] 7e40: 00000001 00000000 0000000f 00000024 c6dc7e74 c6dc7e68 c 00000001 b6e[0 0 0 9000.074707] 7e60: c0c34708 c0c35514 c6dc7e9c c6dc7e78 c0c34c08 c0c346e8 c0c34ae8 c2fb8280 0000c 00000000< 0 >#[ [ 9 08.385053] 7e80: b6dc2000 0000000f c30e7f00 c6dc7f60 c6dc7ec4 c6dc7ea0 c07e1144 c0c34af4 .724580] dfc0: 00<000>0[0 0 c 90.395485] 7ea0: 00000000 c2fb8280 b6dc2000 c2816000 c6dc7f60 c07e10e0 c6dc7f5c c6dc7ec8 000000c b6f1<50e>0[0 0 09000.0406003] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6dc6000 04 00000001 00000<000>0[ 0 0 092.416351] 7ee0: b6dc2000 00020000 00000004 0000000f 0001fff1 c6dc7ee0 00000001 b6dc1000 0000 be85fa6<40 > [# [ 9 0 .8426867] 7f00: c6b5e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 .733042] dfe0: 00<000>0[0 0 4 9b.437215] 7f20: 00000000 00000000 c137a240 cb296bb3 c205caa0 c2fb8280 c2fb8280 c6dc6000 e85f798 b6e804cf< 0b>6[e 0 6 79e0.447732] 7f40: b6dc2000 00000000 00000000 00000004 c6dc7f94 c6dc7f60 c0599540 c0598eac # [ 89.738<308>5[] C o9d0e.458249] 7f60: 00000000 00000000 c6dc7fac cb296bb3 0000000f 0000000f b6f09e00 00000004 5f727563 6e<705>6[f 6 3 9000.0468681] 7f80: c03002e4 c6dc6000 c6dc7fa4 c6dc7f98 c05995d0 c05994d8 00000000 c6dc7fa8 0074 aa55aa55 (a[0 c 0 09d0)479026] 7fa0: c03000c0 c05995c4 0000000f 0000000f 00000001 b6dc2000 0000000f 00000000 # [ 89.74<407>7[0 ] -9-0-.489458] 7fc0: 0000000f 0000000f b6f09e00 00000004 00000001 00000000 00020000 bec57a64 end trace c10b<901>b[d e 7 69c01499891] 7fe0: 00000004 bec57798 b6e744cf b6dfa7e6 800e0030 00000001 00000000 00000000 5a6 ]--- #< 0E>X[E C _ R9O0D.A5T0315] Backtrace: A: missing 'call trace:<'0:> [[ F 90.514857] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) AIL] not [3 4 s9e0l.f5t25975] r4:00000024 sts: lkdtm: EXEC_ROT[A . s h0.530598] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # exit=1 # selftests: d[t 90.541036] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) : EXEC_USERSPACE<.0s>h[ 90.551637] r9:c6dc7f60 r8:c30e7f00 r7:0000000f r6:b6dc2000 r5:c2fb8280 r4:c0c34ae8 <0>[ 90.561467] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 90.569568] r9:c07e10e0 r8:c6dc7f60 r7:c2816000 r6:b6dc2000 r5:c2fb8280 r4:00000000 <0>[ 90.577583] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 90.584987] r10:00000004 r9:00000000 r8:00000000 r7:b6dc2000 r6:c6dc6000 r5:c2fb8280 <0>[ 90.593080] r4:c2fb8280 <0>[ 90.595884] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 90.603289] r9:c6dc6000 r8:c03002e4 r7:00000004 r6:b6f09e00 r5:0000000f r4:0000000f <0>[ 90.611302] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 90.619137] Exception stack(0xc6dc7fa8 to 0xc6dc7ff0) <0>[ 90.624459] 7fa0: 0000000f 0000000f 00000001 b6dc2000 0000000f 00000000 <0>[ 90.632904] 7fc0: 0000000f 0000000f b6f09e00 00000004 00000001 00000000 00020000 bec57a64 <0>[ 90.641348] 7fe0: 00000004 bec57798 b6e744cf b6dfa7e6 <0>[ 90.646673] Code: bad PC value <4>[ 90.650002] ---[ end trace c10b91bde76c15a7 ]--- # Segmentation fault # [ 90.189328] lkdtm: Performing direct entry EXEC_USERSPACE # [ 90.195759] lkdtm: attempting ok execution at c0c35478 # [ 90.204273] lkdtm: attempting bad execution at b6f08000 # [ 90.212311] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f08000 # [ 90.222553] Internal error: : b [#8] SMP ARM # [ 90.229250] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.261215] CPU: 2 PID: 2091 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 90.271382] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.279910] PC is at 0xb6f08000 # [ 90.285396] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 90.292783] pc : [] lr : [] psr: 600e0013 # [ 90.301216] sp : c6dc7e48 ip : 00000027 fp : c6dc7e64 # [ 90.308349] r10: 0000000f r9 : c1acdb30 r8 : c15e879c # [ 90.315570] r7 : c6dc7f60 r6 : 0000000f r5 : c69ff000 r4 : b6f08000 # [ 90.324178] r3 : cb296bb3 r2 : cb296bb3 r1 : ef7ab5e4 r0 : 0000002b # [ 90.332617] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 90.341919] Control: 10c5387d Table: 16e6404a DAC: 00000051 # [ 90.349747] Process cat (pid: 2091, stack limit = 0x4484d816) # [ 90.357662] Stack: (0xc6dc7e48 to 0xc6dc8000) # [ 90.364190] 7e40: 00000001 00000000 0000000f 00000024 c6dc7e74 c6dc7e68 # [ 90.374707] 7e60: c0c34708 c0c35514 c6dc7e9c c6dc7e78 c0c34c08 c0c346e8 c0c34ae8 c2fb8280 # [ 90.385053] 7e80: b6dc2000 0000000f c30e7f00 c6dc7f60 c6dc7ec4 c6dc7ea0 c07e1144 c0c34af4 # [ 90.395485] 7ea0: 00000000 c2fb8280 b6dc2000 c2816000 c6dc7f60 c07e10e0 c6dc7f5c c6dc7ec8 # [ 90.406003] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6dc6000 # [ 90.416351] 7ee0: b6dc2000 00020000 00000004 0000000f 0001fff1 c6dc7ee0 00000001 b6dc1000 # [ 90.426867] 7f00: c6b5e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 90.437215] 7f20: 00000000 00000000 c137a240 cb296bb3 c205caa0 c2fb8280 c2fb8280 c6dc6000 # [ 90.447732] 7f40: b6dc2000 00000000 00000000 00000004 c6dc7f94 c6dc7f60 c0599540 c0598eac # [ 90.458249] 7f60: 00000000 00000000 c6dc7fac cb296bb3 0000000f 0000000f b6f09e00 00000004 # [ 90.468681] 7f80: c03002e4 c6dc6000 c6dc7fa4 c6dc7f98 c05995d0 c05994d8 00000000 c6dc7fa8 # [ 90.479026] 7fa0: c03000c0 c05995c4 0000000f 0000000f 00000001 b6dc2000 0000000f 00000000 # [ 90.489458] 7fc0: 0000000f 0000000f b6f09e00 00000004 00000001 00000000 00020000 bec57a64 # [ 90.499891] 7fe0: 00000004 bec57798 b6e744cf b6dfa7e6 800e0030 00000001 00000000 00000000 # [ 90.510315] Backtrace: # [ 90.514857] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.525975] r4:00000024 # [ 90.530598] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.541036] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.551637] r9:c6dc7f60 r8:c30e7f00 r7:0000000f r6:b6dc2000 r5:c2fb8280 r4:c0c34ae8 # [ 90.561467] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 90.569568] r9:c07e10e0 r8:c6dc7f60 r7:c2816000 r6:b6dc2000 r5:c2fb8280 r4:00000000 # <6>[ 91.091445] lkdtm: Performing direct entry EXEC_NULL [ 90.577583] [] (vfs_<6>[ 91.098732] lkdtm: attempting ok execution at c0c35478 write) from [] (ksys_wr<6>[ 91.106998] lkdtm: attempting bad execution at 00000000 ite+0x74/0xec) # [ 90.584987] <1>[ 91.115329] 8<--- cut here --- r10:00000004 r9:00000000 r8:0000<1>[ 91.121484] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000 r7:b6dc2000 r6:c6dc6000 r5:c<1>[ 91.132732] pgd = 558ae411 2fb8280 # [ 90.593080] r4:c2f<1>[ 91.138570] [00000000] *pgd=00000000 b8280 # [ 90.595884] [[ 91.145284] Internal error: Oops: 80000005 [#9] SMP ARM c>] (ksys_write) from [<4>[ 91.153575] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ] (sys_write+0x18/0x<14c>)[ # 91.185540] CPU: 2 PID: 2162 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 90.6<043>2[8 9 ] 9 1r.91:9c5793] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) dc6000 r8:c03002 [r 7 : 0901.204321] PC is at 0x0 00004 r6:b6f09e00 r5:00<040>0[0 0 91.209201] LR is at execute_location+0xa4/0xb4 f r4:000<040>0[0 f 9#1 .[2 1 6326] pc : [<00000000>] lr : [] psr: 600e0013 90.6113<042>][ [ < c9015.929254b87] sp : c6e7be38 ip : c6e7bd40 fp : c6e7be54 8>] (sys<_4w>r[i t e )9 1f.2r3o1m21] r10: 0000000a r9 : c1acdb40 r8 : c15e879c [>][ ( r e9t1_.f2a38854] r7 : c6e7bf60 r6 : 00000000 r5 : 00000000 r4 : c0c35478 t_syscal0[x 0 / 09x12.82)4 7461] r3 : f8a6158a r2 : f8a6158a r1 : ef7ab5e0 r0 : 0000002b # [ 90.619<143>7[] E 9x1c.e2p5986] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none tion stack(06[d c 7 f9a18. 265205] Control: 10c5387d Table: 1696c04a DAC: 00000051 o 0xc6dc7ff0) < 0#> [[ 9910.273118] Process cat (pid: 2162, stack limit = 0x1f2cd701) 624459] 70[: 9 1 . 2 8 1117] Stack: (0xc6e7be38 to 0xc6e7c000) <000>0[0 0 0 09f1 .0207470] be20: 00000025 c6a31000 00000f 00000001< 0b>6[d c 2 09010297733] be40: 0000000a c6e7bf60 c6e7be64 c6e7be58 c1364c54 c13649b0 c6e7be74 c6e7be68 0000000f 0000000<00 > [# [ 9 .308165] be60: c0c34708 c1364c40 c6e7be9c c6e7be78 c0c34c08 c0c346e8 c0c34ae8 c6822140 90.632904] 7fc0<:0> [0 0 0 09010318682] be80: b6e15000 0000000a c30e7f00 c6e7bf60 c6e7bec4 c6e7bea0 c07e1144 c0c34af4 0f 0000000f b6f0<90e>0[0 0 0901.329114] bea0: 00000000 c6822140 b6e15000 c2816000 c6e7bf60 c07e10e0 c6e7bf5c c6e7bec8 0004 00000001 00<000>0[0 0 0 901.339631] bec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6e7a000 020000 bec57a64 < 0#> [[ 991.350150] bee0: b6e15000 00020000 00000004 0000000a 0001fff6 c6e7bee0 00000001 b6e14000 .641348] 7fe0:< 00>0[0 0 0 09014.360668] bf00: c6d32640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 bec57798 b6e744cf< 0b>6[d f a 79e.371101] bf20: 00000000 00000000 c137a240 f8a6158a c205caa0 c6822140 c6822140 c6e7a000 6 # [ 90.6466<703>][ C o d9e1.381620] bf40: b6e15000 00000000 00000000 00000004 c6e7bf94 c6e7bf60 c0599540 c0598eac bad PC value <#0 >[[ 9901.392137] bf60: 00000000 00000000 c6e7bfac f8a6158a 0000000a 0000000a b6f5ce00 00000004 650002] ---[ e [t r a c9e1 .402569] bf80: c03002e4 c6e7a000 c6e7bfa4 c6e7bf98 c05995d0 c05994d8 00000000 c6e7bfa8 10b91bde76c15a7 <]0->-[- #9 1.413001] bfa0: c03000c0 c05995c4 0000000a 0000000a 00000001 b6e15000 0000000a 00000000 XEC_USERSPACE: misn[g ' c91.423520] bfc0: 0000000a 0000000a b6f5ce00 00000004 00000001 00000000 00020000 bec91a64 ll trace:': [FA][ n o9t1 434125] bfe0: 00000004 bec91798 b6ec74cf b6e4d7e6 800e0030 00000001 00000000 00000000 ok 35 selftests<:0 >l[k d t m9:1 444549] Backtrace: EXEC_USERSPACE.sh # exit=1< 0 >#[ 91.449262] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) selftests: lkdtm<:0 >E[ X E C9_1N460211] r7:c6e7bf60 r6:0000000a r5:c6a31000 r4:00000025 ULL.sh <0>[ 91.468129] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 91.477169] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 91.485448] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 91.493635] r9:c6e7bf60 r8:c30e7f00 r7:0000000a r6:b6e15000 r5:c6822140 r4:c0c34ae8 <0>[ 91.501654] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 91.509755] r9:c07e10e0 r8:c6e7bf60 r7:c2816000 r6:b6e15000 r5:c6822140 r4:00000000 <0>[ 91.517766] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 91.525170] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c6e7a000 r5:c6822140 <0>[ 91.533264] r4:c6822140 <0>[ 91.536071] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 91.543474] r9:c6e7a000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:0000000a r4:0000000a <0>[ 91.551489] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 91.559322] Exception stack(0xc6e7bfa8 to 0xc6e7bff0) <0>[ 91.564642] bfa0: 0000000a 0000000a 00000001 b6e15000 0000000a 00000000 <0>[ 91.573087] bfc0: 0000000a 0000000a b6f5ce00 00000004 00000001 00000000 00020000 bec91a64 <0>[ 91.581530] bfe0: 00000004 bec91798 b6ec74cf b6e4d7e6 <0>[ 91.586853] Code: bad PC value <4>[ 91.590237] ---[ end trace c10b91bde76c15a8 ]--- # Segmentation fault # [ 91.091445] lkdtm: Performing direct entry EXEC_NULL # [ 91.098732] lkdtm: attempting ok execution at c0c35478 # [ 91.106998] lkdtm: attempting bad execution at 00000000 # [ 91.115329] 8<--- cut here --- # [ 91.121484] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 91.132732] pgd = 558ae411 # [ 91.138570] [00000000] *pgd=00000000 # [ 91.145284] Internal error: Oops: 80000005 [#9] SMP ARM # [ 91.153575] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.185540] CPU: 2 PID: 2162 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 91.195793] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.204321] PC is at 0x0 # [ 91.209201] LR is at execute_location+0xa4/0xb4 # [ 91.216326] pc : [<00000000>] lr : [] psr: 600e0013 # [ 91.224587] sp : c6e7be38 ip : c6e7bd40 fp : c6e7be54 # [ 91.231721] r10: 0000000a r9 : c1acdb40 r8 : c15e879c # [ 91.238854] r7 : c6e7bf60 r6 : 00000000 r5 : 00000000 r4 : c0c35478 # [ 91.247461] r3 : f8a6158a r2 : f8a6158a r1 : ef7ab5e0 r0 : 0000002b # [ 91.255986] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 91.265205] Control: 10c5387d Table: 1696c04a DAC: 00000051 # [ 91.273118] Process cat (pid: 2162, stack limit = 0x1f2cd701) # [ 91.281117] Stack: (0xc6e7be38 to 0xc6e7c000) # [ 91.287470] be20: 00000025 c6a31000 # [ 91.297733] be40: 0000000a c6e7bf60 c6e7be64 c6e7be58 c1364c54 c13649b0 c6e7be74 c6e7be68 # [ 91.308165] be60: c0c34708 c1364c40 c6e7be9c c6e7be78 c0c34c08 c0c346e8 c0c34ae8 c6822140 # [ 91.318682] be80: b6e15000 0000000a c30e7f00 c6e7bf60 c6e7bec4 c6e7bea0 c07e1144 c0c34af4 # [ 91.329114] bea0: 00000000 c6822140 b6e15000 c2816000 c6e7bf60 c07e10e0 c6e7bf5c c6e7bec8 # [ 91.339631] bec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6e7a000 # [ 91.350150] bee0: b6e15000 00020000 00000004 0000000a 0001fff6 c6e7bee0 00000001 b6e14000 # [ 91.360668] bf00: c6d32640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 91.371101] bf20: 00000000 00000000 c137a240 f8a6158a c205caa0 c6822140 c6822140 c6e7a000 # [ 91.381620] bf40: b6e15000 00000000 00000000 00000004 c6e7bf94 c6e7bf60 c0599540 c0598eac # [ 91.392137] bf60: 00000000 00000000 c6e7bfac f8a6158a 0000000a 0000000a b6f5ce00 00000004 # [ 91.402569] bf80: c03002e4 c6e7a000 c6e7bfa4 c6e7bf98 c05995d0 c05994d8 00000000 c6e7bfa8 # [ 91.413001] bfa0: c03000c0 c05995c4 0000000a 0000000a 00000001 b6e15000 0000000a 00000000 # [ 91.423520] bfc0: 0000000a 0000000a b6f5ce00 00000004 00000001 00000000 00020000 bec91a64 # [ 91.434125] bfe0: 00000004 bec91798 b6ec74cf b6e4d7e6 800e0030 00000001 00000000 00000000 # [ 91.444549] Backtrace: # [ 91.449262] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 91.460211] r7:c6e7bf60 r6:0000000a r5:c6a31000 r4:00000025 # [ 91.468129] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.477169] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.485448] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.493635] r9:c6e7bf60 r8:c30e7f00 r7:0000000a r6:b6e15000 r5:c6822140 r4:c0c34ae8 # [ 91.501654] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.509755] r9:c07e10e0 r8:c6e7bf60 r7:c2816000 r6:b6e15000 r5:c6822140 r4:00000000 # [ 91.517766] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.525170] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c6e7a000 r5:c6822140 # [ 91.533264] r4:c6822140 # [ 91.536071] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.543474] r9:c6e7a000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:0000000a r4:0000000a # [ 91.551489] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.559322] Exception stack(0xc6e7bfa8 to 0xc6e7bff0) # [ <6>[ 92.056512] lkdtm: Performing direct entry ACCESS_USERSPACE 91.564642] bfa0: <6>[ 92.064127] lkdtm: attempting bad read at b6f06000 0000000a 0000000a 00000001 b6<1>[ 92.071950] 8<--- cut here --- <1>[ 92.078106] Unhandled fault: page domain fault (0x01b) at 0xb6f06000 <1>[ 92.084747] pgd = d711ab2f <1>[ 92.087738] [b6f06000] *pgd=490bb831 <0>[ 92.091617] Internal error: : 1b [#10] SMP ARM <4>[ 92.096345] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.125895] CPU: 0 PID: 2238 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 92.133922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.140747] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 92.146259] LR is at 0x0 <4>[ 92.149078] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 92.155627] sp : c6ca1e38 ip : 00000027 fp : c6ca1e64 <4>[ 92.161135] r10: 00000011 r9 : c1acdb4c r8 : c15e879c <4>[ 92.166642] r7 : c6ca1f60 r6 : 00000051 r5 : c6ca0000 r4 : b6f06000 <4>[ 92.173451] r3 : 48b1130a r2 : 48b1130a r1 : ef7815e4 r0 : 00000026 <4>[ 92.180265] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 92.187685] Control: 10c5387d Table: 1682c04a DAC: 00000051 <0>[ 92.193716] Process cat (pid: 2238, stack limit = 0xea3b6978) <0>[ 92.199749] Stack: (0xc6ca1e38 to 0xc6ca2000) <0>[ 92.204395] 1e20: 00000022 00000000 <0>[ 92.212865] 1e40: 00000000 48b1130a c6ca1e6c 00000026 c6ee1000 00000011 c6ca1e74 c6ca1e68 <0>[ 92.221333] 1e60: c0c34708 c0c355e8 c6ca1e9c c6ca1e78 c0c34c08 c0c346e8 c0c34ae8 c6b5f040 <0>[ 92.229800] 1e80: b6dc0000 00000011 c30e7f00 c6ca1f60 c6ca1ec4 c6ca1ea0 c07e1144 c0c34af4 <0>[ 92.238268] 1ea0: 00000000 c6b5f040 b6dc0000 c2816000 c6ca1f60 c07e10e0 c6ca1f5c c6ca1ec8 <0>[ 92.246737] 1ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6ca0000 <0>[ 92.255206] 1ee0: b6dc0000 00020000 00000004 00000011 0001ffef c6ca1ee0 00000001 b6dbf000 <0>[ 92.263673] 1f00: c68223c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 92.272140] 1f20: 00000000 00000000 c137a240 48b1130a c205caa0 c6b5f040 c6b5f040 c6ca0000 <0>[ 92.280606] 1f40: b6dc0000 00000000 00000000 00000004 c6ca1f94 c6ca1f60 c0599540 c0598eac <0>[ 92.289074] 1f60: 00000000 00000000 c6ca1fac 48b1130a 00000011 00000011 b6f07e00 00000004 <0>[ 92.297541] 1f80: c03002e4 c6ca0000 c6ca1fa4 c6ca1f98 c05995d0 c05994d8 00000000 c6ca1fa8 <0>[ 92.306009] 1fa0: c03000c0 c05995c4 00000011 00000011 00000001 b6dc0000 00000011 00000000 <0>[ 92.314475] 1fc0: 00000011 00000011 b6f07e00 00000004 00000001 00000000 00020000 bef55a64 <0>[ 92.322942] 1fe0: 00000004 bef55798 b6e724cf b6df87e6 800e0030 00000001 00000000 00000000 <0>[ 92.331396] Backtrace: <0>[ 92.334160] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 92.343148] r6:00000011 r5:c6ee1000 r4:00000026 <0>[ 92.348063] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 92.356366] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 92.364577] r9:c6ca1f60 r8:c30e7f00 r7:00000011 r6:b6dc0000 r5:c6b5f040 r4:c0c34ae8 <0>[ 92.372623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 92.380745] r9:c07e10e0 r8:c6ca1f60 r7:c2816000 r6:b6dc0000 r5:c6b5f040 r4:00000000 <0>[ 92.388782] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 92.396209] r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c6ca0000 r5:c6b5f040 <0>[ 92.404320] r4:c6b5f040 <0>[ 92.407147] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 92.414573] r9:c6ca0000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:00000011 r4:00000011 <0>[ 92.422613] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 92.430464] Exception stack(0xc6ca1fa8 to 0xc6ca1ff0) <0>[ 92.435807] 1fa0: 00000011 00000011 00000001 b6dc0000 00000011 00000000 <0>[ 92.444276] 1fc0: 00000011 00000011 b6f07e00 00000004 00000001 00000000 00020000 bef55a64 <0>[ 92.452738] 1fe0: 00000004 bef55798 b6e724cf b6df87e6 <0>[ 92.458081] Code: e1a01004 e30e0a70 e34c01ac eb1c9166 (e5943000) <4>[ 92.464468] ---[ end trace c10b91bde76c15a9 ]--- e15000 0000000a 00000000 # [ 91.573087] bfc0: 0000000a 0000000a b6f5ce00 00000004 00000001 00000000 00020000 bec91a64 # [ 91.581530] bfe0: 00000004 bec91798 b6ec74cf b6e4d7e6 # [ 91.586853] Code: bad PC value # [ 91.590237] ---[ end trace c10b91bde76c15a8 ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftests: lkdtm: ACCESS_USERSPACE.sh # Segmentation fault # [ 92.056512] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 92.064127] lkdtm: attempting bad read at b6f06000 # [ 92.071950] 8<--- cut here --- # [ 92.078106] Unhandled fault: page domain fault (0x01b) at 0xb6f06000 # [ 92.084747] pgd = d711ab2f # [ 92.087738] [b6f06000] *pgd=490bb831 # [ 92.091617] Internal error: : 1b [#10] SMP ARM # [ 92.096345] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.125895] CPU: 0 PID: 2238 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 92.133922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.140747] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 92.146259] LR is at 0x0 # [ 92.149078] pc : [] lr : [<00000000>] psr: 600e0013 # [ 92.155627] sp : c6ca1e38 ip : 00000027 fp : c6ca1e64 # [ 92.161135] r10: 00000011 r9 : c1acdb4c r8 : c15e879c # [ 92.166642] r7 : c6ca1f60 r6 : 00000051 r5 : c6ca0000 r4 : b6f06000 # [ 92.173451] r3 : 48b1130a r2 : 48b1130a r1 : ef7815e4 r0 : 00000026 # [ 92.180265] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 92.187685] Control: 10c5387d Table: 1682c04a DAC: 00000051 # [ 92.193716] Process cat (pid: 2238, stack limit = 0xea3b6978) # [ 92.199749] Stack: (0xc6ca1e38 to 0xc6ca2000) # [ 92.204395] 1e20: 00000022 00000000 # [ 92.212865] 1e40: 00000000 48b1130a c6ca1e6c 00000026 c6ee1000 00000011 c6ca1e74 c6ca1e68 # [ 92.221333] 1e60: c0c34708 c0c355e8 c6ca1e9c c6ca1e78 c0c34c08 c0c346e8 c0c34ae8 c6b5f040 # [ 92.229800] 1e80: b6dc0000 00000011 c30e7f00 c6ca1f60 c6ca1ec4 c6ca1ea0 c07e1144 c0c34af4 # [ 92.238268] 1ea0: 00000000 c6b5f040 b6dc0000 c2816000 c6ca1f60 c07e10e0 c6ca1f5c c6ca1ec8 # [ 92.246737] 1ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6ca0000 # [ 92.255206] 1ee0: b6dc0000 00020000 00000004 00000011 0001ffef c6ca1ee0 00000001 b6dbf000 # [ 92.263673] 1f00: c68223c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 92.272140] 1f20: 00000000 00000000 c137a240 48b1130a c205caa0 c6b5f040 c6b5f040 c6ca0000 # [ 92.280606] 1f40: b6dc0000 00000000 00000000 00000004 c6ca1f94 c6ca1f60 c0599540 c0598eac # [ 92.289074] 1f60: 00000000 00000000 c6ca1fac 48b1130a 00000011 00000011 b6f07e00 00000004 # [ 92.297541] 1f80: c03002e4 c6ca0000 c6ca1fa4 c6ca1f98 c05995d0 c05994d8 00000000 c6ca1fa8 # [ 92.306009] 1fa0: c03000c0 c05995c4 00000011 00000011 00000001 b6dc0000 00000011 00000000 # [ 92.314475] 1fc0: 00000011 00000011 b6f07e00 00000004 00000001 00000000 00020000 bef55a64 # [ 92.322942] 1fe0: 00000004 bef55798 b6e724cf b6df87e6 800e0030 00000001 00000000 00000000 # [ 92.331396] Backtrace: # [ 92.334160] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.343148] r6:00000011 r5:c6ee1000 r4:00000026 # [ 92.348063] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.356366] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.364577] r9:c6ca1f60 r8:c30e7f00 r7:00000011 r6:b6dc0000 r5:c6b5f040 r4:c0c34ae8 # [ 92.372623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 92.380745] r9:c07e10e0 r8:c6ca1f60 r7:c2816000 r6:b6dc0000 r5:c6b5f040 r4:00000000 # [ 92.388782] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.396209] r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c6ca0000 r5:c6b5f040 # [ 92.404320] r4:c6b5f040 # [ 92.407147] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.414573] r9:c6ca0000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:00000011 r4:00000011 # [ 92.422<6>[ 92.934811] lkdtm: Performing direct entry ACCESS_NULL 613] [] (s_[w r i 92.942090] lkdtm: attempting bad read at 00000000 e) from [] (ret_fast_sy<1>[ 92.949552] 8<--- cut here --- scall+0x0/0x28) # [ 92.430464]<1>[ 92.955701] Unable to handle kernel NULL pointer dereference at virtual address 00000000 Exception stack(0xc6ca1fa8 to 0x<1>[ 92.966964] pgd = 836e2e0b c6ca1ff0) # [ 92.435807] 1fa0:<1>[ 92.972649] [00000000] *pgd=00000000 00000011 00000<0>[ 92.979367] Internal error: Oops: 5 [#11] SMP ARM 011 00000001 b6dc0000 00000011 00<4>[ 92.987168] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 000000 # [ 92.<444>4[2 7 6 ]9 .019127] CPU: 2 PID: 2313 Comm: cat Tainted: G D W 5.10.165-cip24 #1 1fc0: 0000<040>1[ 1 09030.00020207] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 11 b6f07e00 00000004 000<040>0[0 93.037739] PC is at lkdtm_ACCESS_NULL+0x28/0x68 00000000 00020000 bef55a6<44> [ 93.045049] LR is at __irq_work_queue_local+0x40/0x74 # [ 92.452<743>8[] 1 f9e30.:052780] pc : [] lr : [] psr: 600e0013 00000004 f[5 5 7 9983 .b066e214] sp : c68f7e50 ip : c68f7d58 fp : c68f7e64 724cf b6df<847>e[6 #9 3.[0 6 435] r10: 0000000c r9 : c1acdb60 r8 : c15e879c 92.458081<]4 >C[o d e :9 3e.10a75655] r7 : c68f7f60 r6 : 0000000c r5 : c69ea000 r4 : 00000000 1004 e30e<04a>7[0 e 3943c.0018a264] r3 : f80aa02a r2 : f80aa02a r1 : ef7ab5e0 r0 : 00000026 c eb1c9166 (e59<443>0[ 0 0 )9 3 .092787] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 92.464<446>8[] - -9-3[. 102176] Control: 10c5387d Table: 16f4c04a DAC: 00000051 nd trace c10b<901>b[d e 7 69c31.510091] Process cat (pid: 2313, stack limit = 0x4901821c) a9 ]--- # A<0C>C[E S S _9U3S.E1R8006] Stack: (0xc68f7e50 to 0xc68f8000) SPACE: missing 'l[l t 9r3a124447] 7e40: 00000027 c69ea000 c68f7e74 c68f7e68 ce:': [FAIL] not [3 7 s93.134882] 7e60: c0c34708 c1364c64 c68f7e9c c68f7e78 c0c34c08 c0c346e8 c0c34ae8 c6d33900 lftests: lkdtm<:0 >A[C C E S9S3_.145485] 7e80: b6ea0000 0000000c c30e7f00 c68f7f60 c68f7ec4 c68f7ea0 c07e1144 c0c34af4 SERSPACE.sh # i[t = 1 9 3#.155916] 7ea0: 00000000 c6d33900 b6ea0000 c2816000 c68f7f60 c07e10e0 c68f7f5c c68f7ec8 selftests: lkdt [A C C9E3S.166348] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c68f6000 _NULL.sh <0>[ 93.176779] 7ee0: b6ea0000 00020000 00000004 0000000c 0001fff4 c68f7ee0 00000001 b6e9f000 <0>[ 93.186082] 7f00: c5ad6b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 93.194529] 7f20: 00000000 00000000 c137a240 f80aa02a c205caa0 c6d33900 c6d33900 c68f6000 <0>[ 93.202975] 7f40: b6ea0000 00000000 00000000 00000004 c68f7f94 c68f7f60 c0599540 c0598eac <0>[ 93.211420] 7f60: 00000000 00000000 c68f7fac f80aa02a 0000000c 0000000c b6fe7e00 00000004 <0>[ 93.219865] 7f80: c03002e4 c68f6000 c68f7fa4 c68f7f98 c05995d0 c05994d8 00000000 c68f7fa8 <0>[ 93.228311] 7fa0: c03000c0 c05995c4 0000000c 0000000c 00000001 b6ea0000 0000000c 00000000 <0>[ 93.236755] 7fc0: 0000000c 0000000c b6fe7e00 00000004 00000001 00000000 00020000 be99ea64 <0>[ 93.245201] 7fe0: 00000004 be99e798 b6f524cf b6ed87e6 800e0030 00000001 00000000 00000000 <0>[ 93.253641] Backtrace: <0>[ 93.256369] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 93.264900] r5:c69ea000 r4:00000027 <0>[ 93.268747] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 93.277029] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 93.285219] r9:c68f7f60 r8:c30e7f00 r7:0000000c r6:b6ea0000 r5:c6d33900 r4:c0c34ae8 <0>[ 93.293237] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 93.301336] r9:c07e10e0 r8:c68f7f60 r7:c2816000 r6:b6ea0000 r5:c6d33900 r4:00000000 <0>[ 93.309350] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 93.316757] r10:00000004 r9:00000000 r8:00000000 r7:b6ea0000 r6:c68f6000 r5:c6d33900 <0>[ 93.324851] r4:c6d33900 <0>[ 93.327654] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 93.335059] r9:c68f6000 r8:c03002e4 r7:00000004 r6:b6fe7e00 r5:0000000c r4:0000000c <0>[ 93.343074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 93.350909] Exception stack(0xc68f7fa8 to 0xc68f7ff0) <0>[ 93.356228] 7fa0: 0000000c 0000000c 00000001 b6ea0000 0000000c 00000000 <0>[ 93.364675] 7fc0: 0000000c 0000000c b6fe7e00 00000004 00000001 00000000 00020000 be99ea64 <0>[ 93.373119] 7fe0: 00000004 be99e798 b6f524cf b6ed87e6 <0>[ 93.378441] Code: e30e0a70 e34c01ac e1a01004 ebffd402 (e5945000) <4>[ 93.384873] ---[ end trace c10b91bde76c15aa ]--- # Segmentation fault # [ 92.934811] lkdtm: Performing direct entry ACCESS_NULL # [ 92.942090] lkdtm: attempting bad read at 00000000 # [ 92.949552] 8<--- cut here --- # [ 92.955701] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 92.966964] pgd = 836e2e0b # [ 92.972649] [00000000] *pgd=00000000 # [ 92.979367] Internal error: Oops: 5 [#11] SMP ARM # [ 92.987168] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.019127] CPU: 2 PID: 2313 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 93.029207] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.037739] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 93.045049] LR is at __irq_work_queue_local+0x40/0x74 # [ 93.052780] pc : [] lr : [] psr: 600e0013 # [ 93.061214] sp : c68f7e50 ip : c68f7d58 fp : c68f7e64 # [ 93.068435] r10: 0000000c r9 : c1acdb60 r8 : c15e879c # [ 93.075655] r7 : c68f7f60 r6 : 0000000c r5 : c69ea000 r4 : 00000000 # [ 93.084264] r3 : f80aa02a r2 : f80aa02a r1 : ef7ab5e0 r0 : 00000026 # [ 93.092787] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 93.102176] Control: 10c5387d Table: 16f4c04a DAC: 00000051 # [ 93.110091] Process cat (pid: 2313, stack limit = 0x4901821c) # [ 93.118006] Stack: (0xc68f7e50 to 0xc68f8000) # [ 93.124447] 7e40: 00000027 c69ea000 c68f7e74 c68f7e68 # [ 93.134882] 7e60: c0c34708 c1364c64 c68f7e9c c68f7e78 c0c34c08 c0c346e8 c0c34ae8 c6d33900 # [ 93.145485] 7e80: b6ea0000 0000000c c30e7f00 c68f7f60 c68f7ec4 c68f7ea0 c07e1144 c0c34af4 # [ 93.155916] 7ea0: 00000000 c6d33900 b6ea0000 c2816000 c68f7f60 c07e10e0 c68f7f5c c68f7ec8 # [ 93.166348] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c68f6000 # [ 93.176779] 7ee0: b6ea0000 00020000 00000004 0000000c 0001fff4 c68f7ee0 00000001 b6e9f000 # [ 93.186082] 7f00: c5ad6b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 93.194529] 7f20: 00000000 00000000 c137a240 f80aa02a c205caa0 c6d33900 c6d33900 c68f6000 # [ 93.202975] 7f40: b6ea0000 00000000 00000000 00000004 c68f7f94 c68f7f60 c0599540 c0598eac # [ 93.211420] 7f60: 00000000 00000000 c68f7fac f80aa02a 0000000c 0000000c b6fe7e00 00000004 # [ 93.219865] 7f80: c03002e4 c68f6000 c68f7fa4 c68f7f98 c05995d0 c05994d8 00000000 c68f7fa8 # [ 93.228311] 7fa0: c03000c0 c05995c4 0000000c 0000000c 00000001 b6ea0000 0000000c 00000000 # [ 93.236755] 7fc0: 0000000c 0000000c b6fe7e00 00000004 00000001 00000000 00020000 be99ea64 # [ 93.245201] 7fe0: 00000004 be99e798 b6f524cf b6ed87e6 800e0030 00000001 00000000 00000000 # [ 93.253641] Backtrace: # [ 93.256369] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.264900] r5:c69ea000 r4:00000027 # [ 93.268747] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.277029] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.285219] r9:c68f7f60 r8:c30e7f00 r7:0000000c r6:b6ea0000 r5:c6d33900 r4:c0c34ae8 # [ 93.293237] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 93.301336] r9:c07e10e0 r8:c68f7f60 r7:c2816000 r6:b6ea0000 r5:c6d33900 r4:00000000 # [ 93.309350] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.316757] r10:00000004 r9:00000000 r8:00000000 r7:b6ea0000 r6:c68f6000 r5:c6d33900 # [ 93.324851] r4:c6d33900 # [ 93.327654] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.335059] r9:c68f6000 r8:c03002e4 r7:00000004 r6:b6fe7e00 r5:0000000c r4:0000000c # [ <6>[ 93.838227] lkdtm: Performing direct entry WRITE_RO 93.343074] [] (sys_wr<6>[ 93.844212] lkdtm: attempting bad rodata write at c15e8a34 ite) from [] (ret_fast_<1>[ 93.852664] 8<--- cut here --- syscall+0x0x[2 8 ) 9 3#. 8[8818] Unable to handle kernel paging request at virtual address c15e8a34 93.350909] Ee[p t i9o3n.868125] pgd = ddd93925 stack(0xc68f7fa8 to 0xc68f7ff0<)1>[ 93.873089] [c15e8a34] *pgd=1141941e(bad) # [ 93.356228] 7fa0<:0 > [ 93.880053] Internal error: Oops: 80d [#12] SMP ARM 0000000c 0000000c 0<4>[ 93.887530] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 0000001 b6ea0000 00000000[0 93.919497] CPU: 1 PID: 2387 Comm: cat Tainted: G D W 5.10.165-cip24 #1 00000 # [ <943>.[3 6 4 69735.]29921] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 7fc0: 0000000c 0000000c b67 93.938628] PC is at lkdtm_WRITE_RO+0x44/0x50 e00 00000004 00<040>0[0 0 1 9030945754] LR is at 0x0 000000 00020000< 4b>e[9 9 e 9a36.950542] pc : [] lr : [<00000000>] psr: 600e0013 # [ 93.37<341>1[9 ] 79f3e.059065] sp : c6f3fe50 ip : 00000027 fp : c6f3fe64 : 0000000<44 >b[e 9 9 e9739.89 6b457] r10: 00000009 r9 : c1acdb6c r8 : c15e879c 6f524cf b6ed<847>e[6 #9 3[. 973678] r7 : c6f3ff60 r6 : 00000009 r5 : c5f02000 r4 : c15e8a34 93.378441]< 4C>o[d e : 9e33.09e2374] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e4 r0 : c1ace970 0a70 e34c01ac e1a<041>0[0 4 e9b.990986] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ffd402 (e594500<04)> [ # 9[4 000464] Control: 10c5387d Table: 16a5004a DAC: 00000051 93.384873] -<-0->[[ e n d9 4t.008463] Process cat (pid: 2387, stack limit = 0x112102ca) ace c10b91bde7<60c>1[5 a a 9]4-.016466] Stack: (0xc6f3fe50 to 0xc6f40000) - # ACCESS_NULL: ms[i n g 4.023082] fe40: 00000028 c5f02000 c6f3fe74 c6f3fe68 'call trace:': [FAI [ n o t4.033688] fe60: c0c34708 c1364a64 c6f3fe9c c6f3fe78 c0c34c08 c0c346e8 c0c34ae8 c6aa4c80 ok 38 selftests: lt[m : A4.044295] fe80: b6e47000 00000009 c30e7f00 c6f3ff60 c6f3fec4 c6f3fea0 c07e1144 c0c34af4 CCESS_NULL.sh # exit<=01> [ # 94.054900] fea0: 00000000 c6aa4c80 b6e47000 c2816000 c6f3ff60 c07e10e0 c6f3ff5c c6f3fec8 elftests: lkdtm: WRI_[R O . 94.065593] fec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6f3e000 h <0>[ 94.076286] fee0: b6e47000 00020000 00000004 00000009 0001fff7 c6f3fee0 00000001 b6e46000 <0>[ 94.084982] ff00: c69517c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 94.093432] ff20: 00000000 00000000 c137a240 6b8e7579 c205caa0 c6aa4c80 c6aa4c80 c6f3e000 <0>[ 94.101884] ff40: b6e47000 00000000 00000000 00000004 c6f3ff94 c6f3ff60 c0599540 c0598eac <0>[ 94.110332] ff60: 00000000 00000000 c6f3ffac 6b8e7579 00000009 00000009 b6f8ee00 00000004 <0>[ 94.118780] ff80: c03002e4 c6f3e000 c6f3ffa4 c6f3ff98 c05995d0 c05994d8 00000000 c6f3ffa8 <0>[ 94.127229] ffa0: c03000c0 c05995c4 00000009 00000009 00000001 b6e47000 00000009 00000000 <0>[ 94.135678] ffc0: 00000009 00000009 b6f8ee00 00000004 00000001 00000000 00020000 bea87a64 <0>[ 94.144128] ffe0: 00000004 bea87798 b6ef94cf b6e7f7e6 800e0030 00000001 00000000 00000000 <0>[ 94.152571] Backtrace: <0>[ 94.155306] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 94.163579] r5:c5f02000 r4:00000028 <0>[ 94.167429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 94.175713] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 94.183902] r9:c6f3ff60 r8:c30e7f00 r7:00000009 r6:b6e47000 r5:c6aa4c80 r4:c0c34ae8 <0>[ 94.191925] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 94.200028] r9:c07e10e0 r8:c6f3ff60 r7:c2816000 r6:b6e47000 r5:c6aa4c80 r4:00000000 <0>[ 94.208044] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 94.215451] r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c6f3e000 r5:c6aa4c80 <0>[ 94.223547] r4:c6aa4c80 <0>[ 94.226354] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 94.233761] r9:c6f3e000 r8:c03002e4 r7:00000004 r6:b6f8ee00 r5:00000009 r4:00000009 <0>[ 94.241780] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 94.249616] Exception stack(0xc6f3ffa8 to 0xc6f3fff0) <0>[ 94.254939] ffa0: 00000009 00000009 00000001 b6e47000 00000009 00000000 <0>[ 94.263387] ffc0: 00000009 00000009 b6f8ee00 00000004 00000001 00000000 00020000 bea87a64 <0>[ 94.271834] ffe0: 00000004 bea87798 b6ef94cf b6e7f7e6 <0>[ 94.277158] Code: e34a3bcd e30e0970 e34c01ac e0233002 (e5843000) <4>[ 94.283525] ---[ end trace c10b91bde76c15ab ]--- # Segmentation fault # [ 93.838227] lkdtm: Performing direct entry WRITE_RO # [ 93.844212] lkdtm: attempting bad rodata write at c15e8a34 # [ 93.852664] 8<--- cut here --- # [ 93.858818] Unable to handle kernel paging request at virtual address c15e8a34 # [ 93.868125] pgd = ddd93925 # [ 93.873089] [c15e8a34] *pgd=1141941e(bad) # [ 93.880053] Internal error: Oops: 80d [#12] SMP ARM # [ 93.887530] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.919497] CPU: 1 PID: 2387 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 93.929921] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.938628] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 93.945754] LR is at 0x0 # [ 93.950542] pc : [] lr : [<00000000>] psr: 600e0013 # [ 93.959065] sp : c6f3fe50 ip : 00000027 fp : c6f3fe64 # [ 93.966457] r10: 00000009 r9 : c1acdb6c r8 : c15e879c # [ 93.973678] r7 : c6f3ff60 r6 : 00000009 r5 : c5f02000 r4 : c15e8a34 # [ 93.982374] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e4 r0 : c1ace970 # [ 93.990986] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.000464] Control: 10c5387d Table: 16a5004a DAC: 00000051 # [ 94.008463] Process cat (pid: 2387, stack limit = 0x112102ca) # [ 94.016466] Stack: (0xc6f3fe50 to 0xc6f40000) # [ 94.023082] fe40: 00000028 c5f02000 c6f3fe74 c6f3fe68 # [ 94.033688] fe60: c0c34708 c1364a64 c6f3fe9c c6f3fe78 c0c34c08 c0c346e8 c0c34ae8 c6aa4c80 # [ 94.044295] fe80: b6e47000 00000009 c30e7f00 c6f3ff60 c6f3fec4 c6f3fea0 c07e1144 c0c34af4 # [ 94.054900] fea0: 00000000 c6aa4c80 b6e47000 c2816000 c6f3ff60 c07e10e0 c6f3ff5c c6f3fec8 # [ 94.065593] fec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6f3e000 # [ 94.076286] fee0: b6e47000 00020000 00000004 00000009 0001fff7 c6f3fee0 00000001 b6e46000 # [ 94.084982] ff00: c69517c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.093432] ff20: 00000000 00000000 c137a240 6b8e7579 c205caa0 c6aa4c80 c6aa4c80 c6f3e000 # [ 94.101884] ff40: b6e47000 00000000 00000000 00000004 c6f3ff94 c6f3ff60 c0599540 c0598eac # [ 94.110332] ff60: 00000000 00000000 c6f3ffac 6b8e7579 00000009 00000009 b6f8ee00 00000004 # [ 94.118780] ff80: c03002e4 c6f3e000 c6f3ffa4 c6f3ff98 c05995d0 c05994d8 00000000 c6f3ffa8 # [ 94.127229] ffa0: c03000c0 c05995c4 00000009 00000009 00000001 b6e47000 00000009 00000000 # [ 94.135678] ffc0: 00000009 00000009 b6f8ee00 00000004 00000001 00000000 00020000 bea87a64 # [ 94.144128] ffe0: 00000004 bea87798 b6ef94cf b6e7f7e6 800e0030 00000001 00000000 00000000 # [ 94.152571] Backtrace: # [ 94.155306] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.163579] r5:c5f02000 r4:00000028 # [ 94.167429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.175713] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.183902] r9:c6f3ff60 r8:c30e7f00 r7:00000009 r6:b6e47000 r5:c6aa4c80 r4:c0c34ae8 # [ 94.191925] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 94.200028] r9:c07e10e0 r8:c6f3ff60 r7:c2816000 r6:b6e47000 r5:c6aa4c80 r4:00000000 # [ 94.208044] []<6>[ 94.730930] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT (vfs_write) from [] (k<6>[ 94.739559] lkdtm: attempting bad ro_after_init write at c1b7fc60 sys_write+0x74/0xec) # [ 94.21<1>[ 94.748760] 8<--- cut here --- 5451] r10:00000004 r9:<010>0[0 0 94.754873] Unable to handle kernel paging request at virtual address c1b7fc60 000 r8:00000000< 1r>7[: b 6 e9447764696] pgd = 0f01d0c3 000 r6:c6f3e000 r5:c6aa4c80 < 1#>[ 94.769658] [c1b7fc60] *pgd=11a1941e(bad) [ 94.223547] r4<:0c>6[a a 4 c94.776536] Internal error: Oops: 80d [#13] SMP ARM 0 # [ 94.226354] [] <4>[ 94.783840] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 (ksys_write) from [<<4c>0[5 9 9 54.815802] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.165-cip24 #1 d0>] (sys_wt[e + 0 x941.88/25967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) x1c) # [ 94.233761] r<94:>c[ 94.834586] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 f3e000 r8:c03002e4 r7:0000<040>0[ 94.842587] LR is at __irq_work_queue_local+0x40/0x74 r6:b6f8ee<040> [r 5 : 09040.08050403] pc : [] lr : [] psr: 600e0013 09 r4:0000<04>0[0 9 9#4 .[8 5 751] sp : c6c97e50 ip : c6c97d58 fp : c6c97e64 94.2417<840>][ [ < c9045.989655969] r10: 00000014 r9 : c1acdb78 r8 : c15e879c 8>] (sys_wt[e ) f9r4o.m8 73189] r7 : c6c97f60 r6 : 00000014 r5 : c5f02000 r4 : c1b7fc60 >][ ( r9e4t._8f8a1s96] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ace970 t_syscall+0/[0 x 2 89)4 . 8#0235] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 94.2496<146>][ E x c9e4p.t899451] Control: 10c5387d Table: 16c9c04a DAC: 00000051 on stack(0xc6f3a[8 t o9 40907365] Process cat (pid: 2461, stack limit = 0xdc59d1bb) xc6f3fff0) #< 0[> [ 9944..2915364] Stack: (0xc6c97e50 to 0xc6c98000) 4939] ffa0: < 0 > [ 9 .921892] 7e40: 00000029 c5f02000 c6c97e74 c6c97e68 00000009 000<000>0[0 9 090.932411] 7e60: c0c34708 c1364ab4 c6c97e9c c6c97e78 c0c34c08 c0c346e8 c0c34ae8 c6ad5b80 000001 b6e47000 00<000>0[0 0 9 94.942928] 7e80: b6e79000 00000014 c30e7f00 c6c97f60 c6c97ec4 c6c97ea0 c07e1144 c0c34af4 0000000 # [ 94.<206>3[3 8 7 ]94.953533] 7ea0: 00000000 c6ad5b80 b6e79000 c2816000 c6c97f60 c07e10e0 c6c97f5c c6c97ec8 ffc0: 00000009 0<000>0[0 0 0 99 4.964136] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6c96000 6f8ee00 00000004 <000>0[0 0 0 091.974654] 7ee0: b6e79000 00020000 00000004 00000014 0001ffec c6c97ee0 00000001 b6e78000 00000000 000200<000> [b e a 8974.985173] 7f00: c69517c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 64 # [ 94.27183<40]> [f f e 094.995690] 7f20: 00000000 00000000 c137a240 ffd91ce2 c205caa0 c6ad5b80 c6ad5b80 c6c96000 00000004 bea8779<80 >b[6 e f 994.006295] 7f40: b6e79000 00000000 00000000 00000004 c6c97f94 c6c97f60 c0599540 c0598eac cf b6e7f7e6 # [< 0 > [9 4 . 2975.016811] 7f60: 00000000 00000000 c6c97fac ffd91ce2 00000014 00000014 b6fc0e00 00000004 158] Code: e34a3b [e 3 0 e90.027329] 7f80: c03002e4 c6c96000 c6c97fa4 c6c97f98 c05995d0 c05994d8 00000000 c6c97fa8 970 e34c01ac e023<300>0[2 ( e95.037846] 7fa0: c03000c0 c05995c4 00000014 00000014 00000001 b6e79000 00000014 00000000 843000) # [ <904>.[2 8 3 5925.048364] 7fc0: 00000014 00000014 b6fc0e00 00000004 00000001 00000000 00020000 bedc0a64 ] ---[ end tracc[1 0 b 9915b058881] 7fe0: 00000004 bedc0798 b6f2b4cf b6eb17e6 800e0030 00000001 00000000 00000000 de76c15ab ]--- <#0 >W[R I T E9_5.069307] Backtrace: O: missing 'call trace:': [F[ 95.074106] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) ] not ok 39 set[e s t s9:5 085919] r5:c5f02000 r4:00000029 lkdtm: WRITE_RO.sh #< 0e>x[i t = 95.091752] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # selftests: lkdtm: WRITE<_0R>O 95.102275] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) _AFTER_INIT.sh <0>[ 95.112960] r9:c6c97f60 r8:c30e7f00 r7:00000014 r6:b6e79000 r5:c6ad5b80 r4:c0c34ae8 <0>[ 95.122355] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 95.130454] r9:c07e10e0 r8:c6c97f60 r7:c2816000 r6:b6e79000 r5:c6ad5b80 r4:00000000 <0>[ 95.138466] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 95.145870] r10:00000004 r9:00000000 r8:00000000 r7:b6e79000 r6:c6c96000 r5:c6ad5b80 <0>[ 95.153963] r4:c6ad5b80 <0>[ 95.156767] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 95.164171] r9:c6c96000 r8:c03002e4 r7:00000004 r6:b6fc0e00 r5:00000014 r4:00000014 <0>[ 95.172185] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 95.180018] Exception stack(0xc6c97fa8 to 0xc6c97ff0) <0>[ 95.185338] 7fa0: 00000014 00000014 00000001 b6e79000 00000014 00000000 <0>[ 95.193783] 7fc0: 00000014 00000014 b6fc0e00 00000004 00000001 00000000 00020000 bedc0a64 <0>[ 95.202226] 7fe0: 00000004 bedc0798 b6f2b4cf b6eb17e6 <0>[ 95.207547] Code: e34a3bcd e30e0970 e34c01ac e0233002 (e5843000) <4>[ 95.213911] ---[ end trace c10b91bde76c15ac ]--- # Segmentation fault # [ 94.730930] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 94.739559] lkdtm: attempting bad ro_after_init write at c1b7fc60 # [ 94.748760] 8<--- cut here --- # [ 94.754873] Unable to handle kernel paging request at virtual address c1b7fc60 # [ 94.764696] pgd = 0f01d0c3 # [ 94.769658] [c1b7fc60] *pgd=11a1941e(bad) # [ 94.776536] Internal error: Oops: 80d [#13] SMP ARM # [ 94.783840] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.815802] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 94.825967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.834586] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 94.842587] LR is at __irq_work_queue_local+0x40/0x74 # [ 94.850403] pc : [] lr : [] psr: 600e0013 # [ 94.858751] sp : c6c97e50 ip : c6c97d58 fp : c6c97e64 # [ 94.865969] r10: 00000014 r9 : c1acdb78 r8 : c15e879c # [ 94.873189] r7 : c6c97f60 r6 : 00000014 r5 : c5f02000 r4 : c1b7fc60 # [ 94.881796] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ace970 # [ 94.890235] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.899451] Control: 10c5387d Table: 16c9c04a DAC: 00000051 # [ 94.907365] Process cat (pid: 2461, stack limit = 0xdc59d1bb) # [ 94.915364] Stack: (0xc6c97e50 to 0xc6c98000) # [ 94.921892] 7e40: 00000029 c5f02000 c6c97e74 c6c97e68 # [ 94.932411] 7e60: c0c34708 c1364ab4 c6c97e9c c6c97e78 c0c34c08 c0c346e8 c0c34ae8 c6ad5b80 # [ 94.942928] 7e80: b6e79000 00000014 c30e7f00 c6c97f60 c6c97ec4 c6c97ea0 c07e1144 c0c34af4 # [ 94.953533] 7ea0: 00000000 c6ad5b80 b6e79000 c2816000 c6c97f60 c07e10e0 c6c97f5c c6c97ec8 # [ 94.964136] 7ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6c96000 # [ 94.974654] 7ee0: b6e79000 00020000 00000004 00000014 0001ffec c6c97ee0 00000001 b6e78000 # [ 94.985173] 7f00: c69517c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.995690] 7f20: 00000000 00000000 c137a240 ffd91ce2 c205caa0 c6ad5b80 c6ad5b80 c6c96000 # [ 95.006295] 7f40: b6e79000 00000000 00000000 00000004 c6c97f94 c6c97f60 c0599540 c0598eac # [ 95.016811] 7f60: 00000000 00000000 c6c97fac ffd91ce2 00000014 00000014 b6fc0e00 00000004 # [ 95.027329] 7f80: c03002e4 c6c96000 c6c97fa4 c6c97f98 c05995d0 c05994d8 00000000 c6c97fa8 # [ 95.037846] 7fa0: c03000c0 c05995c4 00000014 00000014 00000001 b6e79000 00000014 00000000 # [ 95.048364] 7fc0: 00000014 00000014 b6fc0e00 00000004 00000001 00000000 00020000 bedc0a64 # [ 95.058881] 7fe0: 00000004 bedc0798 b6f2b4cf b6eb17e6 800e0030 00000001 00000000 00000000 # [ 95.069307] Backtrace: # [ 95.074106] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.085919] r5:c5f02000 r4:00000029 # [ 95.091752] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.102275] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.112960] r9:c6c97f60 r8:c30e7f00 r7:00000014 r6:b6e79000 r5:c6ad5b80 r4:c0c34ae8 # [ 95.122355] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.130454] r9:c07e10e0 r8:c6c97f60 r7:c2816000 r6:b6e79000 r5:c6ad5b80 r4:00000000 # [ 95.138466] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.145870] r10:<6>[ 95.630171] lkdtm: Performing direct entry WRITE_KERN 00000004 r9:00000000 r8:00000000 <6>[ 95.638129] lkdtm: attempting bad 7533832 byte write at c1364980 r7:b6e79000 r6:c6c96000 r5:c6ad5b<1>[ 95.647108] 8<--- cut here --- 80 # [ 95.15396<31]> [ r 4 :95.653209] Unable to handle kernel paging request at virtual address c1364980 6ad5b80 # [ 95.156767] [[ 95.662872] pgd = 312848a7 94cc>] (ksys_write) from [[ 95.668528] [c1364980] *pgd=1121940e(bad) d0>] (sys_write+0x18/0x1c) # [ <0>[ 95.675671] Internal error: Oops: 80d [#14] SMP ARM 95.164171] r9:c6c96000 r8:c0300<4>[ 95.683667] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 2e4 r7:00000004 r6:b6fc0e00 r5:00<4>[ 95.715635] CPU: 3 PID: 2535 Comm: cat Tainted: G D W 5.10.165-cip24 #1 000014 r4:00000014 # [ 95.1<74>[ 95.726491] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 185] [] (sys_write) fro<4>[ 95.735980] PC is at memcpy+0x50/0x330 m [] (ret_fast_syscall+<4>[ 95.742848] LR is at 0xe92dd830 0x0/0x28) # [ 95.180018] Ex[ 95.749109] pc : [] lr : [] psr: 200e0013 ption stack(0xc6c97fa8 to 06 95.758322] sp : c6ca1e2c ip : e1a0c00d fp : c6ca1e64 c97ff0) # [ 95.185338]< 47>f[a 95.766322] r10: 0000000b r9 : c1acdb8c r8 : e89da800 0: 0000<040>1[4 95.774236] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00000014 00000001 b6e79000< 40>0 95.783454] r3 : e1a0c00d r2 : 0072f468 r1 : c0c35498 r0 : c1364980 000014 00000000 # [ 95.193783]<4>[ 95.792762] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 7fc0: 00000014 00000014 b6fc0e<0>[ 95.803019] Control: 10c5387d Table: 16f3804a DAC: 00000051 0 00000004 00000001 00000000 00020>[ 95.811715] Process cat (pid: 2535, stack limit = 0xea3b6978) 0000 bedc0a64 # [ 95.2022<206>[ 95.820496] Stack: (0xc6ca1e2c to 0xc6ca2000) 7fe0: 00000004 bedc0798 b6f2b4cf<0>[ 95.827725] 1e20: c0c35478 0072f508 c6ca1f60 c15e879c c1364980 b6eb17e6 # [ 95.207547] Code:<0>[ 95.839024] 1e40: c1364980 c1364b64 0000002a c6e0d000 0000000b c6ca1f60 c6ca1e74 c6ca1e68 e34a3bcd e30e0970 e34c01ac e0233<0>[ 95.850322] 1e60: c0c34708 c1364b24 c6ca1e9c c6ca1e78 c0c34c08 c0c346e8 c0c34ae8 c5c3fb80 002 (e5843000) # [ 95.213911]<0>[ 95.861621] 1e80: b6e7c000 0000000b c30e7f00 c6ca1f60 c6ca1ec4 c6ca1ea0 c07e1144 c0c34af4 ---[ end trace c10b91bde76c15ac <0>[ 95.872920] 1ea0: 00000000 c5c3fb80 b6e7c000 c2816000 c6ca1f60 c07e10e0 c6ca1f5c c6ca1ec8 ]--- # WRITE_RO_AFTER_INIT: miss<0>[ 95.884221] 1ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6ca0000 ing 'call trace:': [FAIL] not ok<0>[ 95.895520] 1ee0: b6e7c000 00020000 00000004 0000000b 0001fff5 c6ca1ee0 00000001 b6e7b000 40 selftests: lkdtm: WRITE_RO_AF<0>[ 95.906821] 1f00: c6d337c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 TER_INIT.sh # exit=1 # selftests<0>[ 95.918120] 1f20: 00000000 00000000 c137a240 80420583 c205caa0 c5c3fb80 c5c3fb80 c6ca0000 : lkdtm: WRITE_KERN.sh <0>[ 95.929421] 1f40: b6e7c000 00000000 00000000 00000004 c6ca1f94 c6ca1f60 c0599540 c0598eac <0>[ 95.939937] 1f60: 00000000 00000000 c6ca1fac 80420583 0000000b 0000000b b6fc3e00 00000004 <0>[ 95.948404] 1f80: c03002e4 c6ca0000 c6ca1fa4 c6ca1f98 c05995d0 c05994d8 00000000 c6ca1fa8 <0>[ 95.956872] 1fa0: c03000c0 c05995c4 0000000b 0000000b 00000001 b6e7c000 0000000b 00000000 <0>[ 95.965339] 1fc0: 0000000b 0000000b b6fc3e00 00000004 00000001 00000000 00020000 beb3da64 <0>[ 95.973808] 1fe0: 00000004 beb3d798 b6f2e4cf b6eb47e6 800e0030 00000001 00000000 00000000 <0>[ 95.982264] Backtrace: <0>[ 95.985032] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 95.993502] r7:c6ca1f60 r6:0000000b r5:c6e0d000 r4:0000002a <0>[ 95.999456] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 96.007763] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 96.015972] r9:c6ca1f60 r8:c30e7f00 r7:0000000b r6:b6e7c000 r5:c5c3fb80 r4:c0c34ae8 <0>[ 96.024018] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 96.032142] r9:c07e10e0 r8:c6ca1f60 r7:c2816000 r6:b6e7c000 r5:c5c3fb80 r4:00000000 <0>[ 96.040180] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 96.047607] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6ca0000 r5:c5c3fb80 <0>[ 96.055717] r4:c5c3fb80 <0>[ 96.058546] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 96.065972] r9:c6ca0000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:0000000b r4:0000000b <0>[ 96.074014] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 96.081866] Exception stack(0xc6ca1fa8 to 0xc6ca1ff0) <0>[ 96.087207] 1fa0: 0000000b 0000000b 00000001 b6e7c000 0000000b 00000000 <0>[ 96.095676] 1fc0: 0000000b 0000000b b6fc3e00 00000004 00000001 00000000 00020000 beb3da64 <0>[ 96.104137] 1fe0: 00000004 beb3d798 b6f2e4cf b6eb47e6 <0>[ 96.109481] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 96.115869] ---[ end trace c10b91bde76c15ad ]--- # Segmentation fault # [ 95.630171] lkdtm: Performing direct entry WRITE_KERN # [ 95.638129] lkdtm: attempting bad 7533832 byte write at c1364980 # [ 95.647108] 8<--- cut here --- # [ 95.653209] Unable to handle kernel paging request at virtual address c1364980 # [ 95.662872] pgd = 312848a7 # [ 95.668528] [c1364980] *pgd=1121940e(bad) # [ 95.675671] Internal error: Oops: 80d [#14] SMP ARM # [ 95.683667] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.715635] CPU: 3 PID: 2535 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 95.726491] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.735980] PC is at memcpy+0x50/0x330 # [ 95.742848] LR is at 0xe92dd830 # [ 95.749109] pc : [] lr : [] psr: 200e0013 # [ 95.758322] sp : c6ca1e2c ip : e1a0c00d fp : c6ca1e64 # [ 95.766322] r10: 0000000b r9 : c1acdb8c r8 : e89da800 # [ 95.774236] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 95.783454] r3 : e1a0c00d r2 : 0072f468 r1 : c0c35498 r0 : c1364980 # [ 95.792762] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 95.803019] Control: 10c5387d Table: 16f3804a DAC: 00000051 # [ 95.811715] Process cat (pid: 2535, stack limit = 0xea3b6978) # [ 95.820496] Stack: (0xc6ca1e2c to 0xc6ca2000) # [ 95.827725] 1e20: c0c35478 0072f508 c6ca1f60 c15e879c c1364980 # [ 95.839024] 1e40: c1364980 c1364b64 0000002a c6e0d000 0000000b c6ca1f60 c6ca1e74 c6ca1e68 # [ 95.850322] 1e60: c0c34708 c1364b24 c6ca1e9c c6ca1e78 c0c34c08 c0c346e8 c0c34ae8 c5c3fb80 # [ 95.861621] 1e80: b6e7c000 0000000b c30e7f00 c6ca1f60 c6ca1ec4 c6ca1ea0 c07e1144 c0c34af4 # [ 95.872920] 1ea0: 00000000 c5c3fb80 b6e7c000 c2816000 c6ca1f60 c07e10e0 c6ca1f5c c6ca1ec8 # [ 95.884221] 1ec0: c0598fac c07e10ec 00000001 00000000 c0599540 c137a240 c0599540 c6ca0000 # [ 95.895520] 1ee0: b6e7c000 00020000 00000004 0000000b 0001fff5 c6ca1ee0 00000001 b6e7b000 # [ 95.906821] 1f00: c6d337c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 95.918120] 1f20: 00000000 00000000 c137a240 80420583 c205caa0 c5c3fb80 c5c3fb80 c6ca0000 # [ 95.929421] 1f40: b6e7c000 00000000 00000000 00000004 c6ca1f94 c6ca1f60 c0599540 c0598eac # [ 95.939937] 1f60: 00000000 00000000 c6ca1fac 80420583 0000000b 0000000b b6fc3e00 00000004 # [ 95.948404] 1f80: c03002e4 c6ca0000 c6ca1fa4 c6ca1f98 c05995d0 c05994d8 00000000 c6ca1fa8 # [ 95.956872] 1fa0: c03000c0 c05995c4 0000000b 0000000b 00000001 b6e7c000 0000000b 00000000 # [ 95.965339] 1fc0: 0000000b 0000000b b6fc3e00 00000004 00000001 00000000 00020000 beb3da64 # [ 95.973808] 1fe0: 00000004 beb3d798 b6f2e4cf b6eb47e6 800e0030 00000001 00000000 00000000 # [ 95.982264] Backtrace: # [ 95.985032] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.993502] r7:c6ca1f60 r6:0000000b r5:c6e0d000 r4:0000002a # [ 95.999456] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.007763] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.015972] r9:c6ca1f60 r8:c30e7f00 r7:0000000b r6:b6e7c000 r5:c5c3fb80 r4:c0c34ae8 # [ 96.024018] [] (full_proxy_write) from [] (vfs_write+0x10c/0x52<6>[ 96.540306] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 4) # [ 96.032142] r9:c07e10e0<6>[ 96.548568] lkdtm: attempting good refcount_inc() without overflow r8:c6ca1f60 r7:c2816000 r6:b6e7c<6>[ 96.557809] lkdtm: attempting bad refcount_inc() overflow 000 r5:c5c3fb80 r4:00000000 # [ <4>[ 96.566363] ------------[ cut here ]------------ 96.040180] [] (vfs_wr<4>[ 96.574061] WARNING: CPU: 2 PID: 2610 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 ite) from [] (ksys_writ<4>[ 96.585601] refcount_t: saturated; leaking memory. e+0x74/0xec) # [ 96.047607] r<4>[ 96.593515] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 10:00000004 r9:00000000 r8:000000<4>[ 96.625489] CPU: 2 PID: 2610 Comm: cat Tainted: G D W 5.10.165-cip24 #1 00 r7:b6e7c<040>0[ r 6 :9c66.c6a6316] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000 r5:c5c3fb80 < 4#>[ [ 9 6.644924] Backtrace: 6.055717] r4:c5c3fb80 # [ 96.<4>[ 96.649732] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 058546] [>[] ( k9s6.660411] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 s_write) from [>][ ( 96.668417] [] (show_stack) from [] (dump_stack+0xe0/0x100) sys_write+0x18/0x1c) #< 4[> [ 96.678329] [] (dump_stack) from [] (__warn+0xfc/0x16c) 96.065972] r9:c[a 0 0 0906 687889] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c r8:c03002e4 r7:000000<044> [r 6 :96.697890] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) b6fc3e00 r5:<040>0[0 0 0 09b6 .r707882] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6ee6000 :0000000b # [ 9<64.>0[7 4 0 196.715714] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) ] []< 4(>s[y s _ w9r6i.727098] r9:c1acdb98 r8:c15e879c r7:c6ee7f60 r6:00000016 r5:c693d000 r4:c6ee6000 e) from [] (ret<_4f>a[s 96.737102] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) t_syscall+0x0/0x28) # <[4 > [ 9 96.749443] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) 6.081866] Exceptios[t a c k96.762127] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) 0xc6ca1fa8< 4t>o[ 0 x c966c.a7173683] r4:0000002b f0) # [ 96.0872<047>][ 1 f a96.778305] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : 00000<040>b[ 96.788741] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 0000000b 00000<040>1[ b 6 e976c.799339] r9:c6ee7f60 r8:c30e7f00 r7:00000016 r6:b6e55000 r5:c6d33e00 r4:c0c34ae8 00 0000000b 00000000 <#4 >[[ 96.809342] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 96.095676] 1fc0<:4 >0[0 0 0 09060819769] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6e55000 r5:c6d33e00 r4:00000000 b 0000000b b6fc3e<040> [0 0 0 090.829768] [] (vfs_write) from [] (ksys_write+0x74/0xec) 004 00000001 0<040>0[0 0 0 09 60.839244] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6ee6000 r5:c6d33e00 020000 bed[a 6 4 9 6#. 8[4 324] r4:c6d33e00 96.104137] 1fe0<:4 >0[0 0 0 090.853858] [] (ksys_write) from [] (sys_write+0x18/0x1c) 04 beb3d798 f[2 e 4 c9f6 .b863333] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000016 r4:00000016 eb47e6 # [ 96.109<448>1[] C 96.873249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) de: f5d1f<045>c[ f 5 d916f.0878c328] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) e8b151f8 e252202<04 >([e 8 a 095.890377] 7fa0: 00000016 00000016 00000001 b6e55000 00000016 00000000 1f8) # [ 96<.41>1[5 8 6 99]6 900895] 7fc0: 00000016 00000016 b6f9ce00 00000004 00000001 00000000 00020000 befb8a64 ---[ end tracc[1 0 b 9916b.d11326] 7fe0: 00000004 befb8798 b6f074cf b6e8d7e6 e76c15ad ]--- # WRITE_KERN: miss<4>[ 96.918610] irq event stamp: 0 ing 'call trace:': [FAIL] not ok<4>[ 96.924755] hardirqs last enabled at (0): [<00000000>] 0x0 41 selftests: lkdtm: WRITE_KERN.<4>[ 96.933463] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 sh # exit=1 # selftests: lkdtm: <4>[ 96.944085] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 REFCOUNT_INC_OVERFLOW.sh <4>[ 96.954701] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.962726] ---[ end trace c10b91bde76c15ae ]--- <6>[ 96.967649] lkdtm: Overflow detected: saturated # [ 96.540306] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 96.548568] lkdtm: attempting good refcount_inc() without overflow # [ 96.557809] lkdtm: attempting bad refcount_inc() overflow # [ 96.566363] ------------[ cut here ]------------ # [ 96.574061] WARNING: CPU: 2 PID: 2610 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 96.585601] refcount_t: saturated; leaking memory. # [ 96.593515] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.625489] CPU: 2 PID: 2610 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 96.636316] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.644924] Backtrace: # [ 96.649732] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.660411] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 96.668417] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.678329] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 96.687889] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c # [ 96.697890] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.707882] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6ee6000 # [ 96.715714] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 96.727098] r9:c1acdb98 r8:c15e879c r7:c6ee7f60 r6:00000016 r5:c693d000 r4:c6ee6000 # [ 96.737102] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 96.749443] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 96.762127] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.773683] r4:0000002b # [ 96.778305] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.788741] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.799339] r9:c6ee7f60 r8:c30e7f00 r7:00000016 r6:b6e55000 r5:c6d33e00 r4:c0c34ae8 # [ 96.809342] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.819769] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6e55000 r5:c6d33e00 r4:00000000 # [ 96.829768] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.839244] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6ee6000 r5:c6d33e00 # [ 96.849324] r4:c6d33e00 # [ 96.853858] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.863333] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000016 r4:00000016 # [ 96.873249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.883328] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) # [ 96.890377] 7fa0: 00000016 00000016 00000001 b6e55000 00000016 00000000 # [ 96.900895] 7fc0: 00000016 00000016 b6f9ce00 00000004 00000001 00000000 00020000 befb8a64 # [ 96.911326] 7fe0: 00000004 befb8798 b6f074cf b6e8d7e6 # [ 96.918610] irq event stamp: 0 # [ 96.924755] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.933463] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.944085] softirqs last enabled at (0): [] copy_<6>[ 97.357395] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW process+0x5f8/0x1974 # [ 96.95<6>[ 97.365387] lkdtm: attempting good refcount_add() without overflow 4701] softirqs last disabled at (<6>[ 97.374731] lkdtm: attempting bad refcount_add() overflow 0): [<00000000>] 0x0 # [ 96.96<4>[ 97.383244] ------------[ cut here ]------------ 2726] ---[ end trace c10b91bde76c<4>[ 97.390995] WARNING: CPU: 0 PID: 2644 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 15ae ]--- # [ 96.967649] lkdtm<4>[ 97.402565] refcount_t: saturated; leaking memory. : Overflow detected: saturated #<4>[ 97.410579] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 REFCOUNT_INC_OVERFLOW: missing '<4>[ 97.442508] CPU: 0 PID: 2644 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 97.453333] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.460127] Backtrace: <4>[ 97.462863] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.470703] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 97.476636] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.484219] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 97.491450] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c <4>[ 97.499468] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.507218] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6dc0000 <4>[ 97.513150] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 97.522377] r9:c1acdbb0 r8:c15e879c r7:c6dc1f60 r6:00000016 r5:c6ee4000 r4:c6dc0000 <4>[ 97.530394] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 97.540322] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 97.550681] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.560078] r4:0000002c <4>[ 97.562883] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.571160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.579346] r9:c6dc1f60 r8:c30e7f00 r7:00000016 r6:b6de8000 r5:c6822f00 r4:c0c34ae8 <4>[ 97.587363] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 97.595461] r9:c07e10e0 r8:c6dc1f60 r7:c2816000 r6:b6de8000 r5:c6822f00 r4:00000000 <4>[ 97.603472] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.610875] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6dc0000 r5:c6822f00 <4>[ 97.618968] r4:c6822f00 <4>[ 97.621772] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.629175] r9:c6dc0000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:00000016 r4:00000016 <4>[ 97.637191] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.645026] Exception stack(0xc6dc1fa8 to 0xc6dc1ff0) <4>[ 97.650348] 1fa0: 00000016 00000016 00000001 b6de8000 00000016 00000000 <4>[ 97.658795] 1fc0: 00000016 00000016 b6f2fe00 00000004 00000001 00000000 00020000 be822a64 <4>[ 97.667237] 1fe0: 00000004 be822798 b6e9a4cf b6e207e6 call trace:': [FAIL] not ok 42 s<4>[ 97.672620] irq event stamp: 0 elftests: lkdtm: REFCOUNT_INC_OVE<4>[ 97.678828] hardirqs last enabled at (0): [<00000000>] 0x0 RFLOW.sh # exit=1 # selftests: l<4>[ 97.687561] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 kdtm: REFCOUNT_ADD_OVERFLOW.sh <4>[ 97.698212] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 97.708708] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.714573] ---[ end trace c10b91bde76c15af ]--- <6>[ 97.719464] lkdtm: Overflow detected: saturated # [ 97.357395] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 97.365387] lkdtm: attempting good refcount_add() without overflow # [ 97.374731] lkdtm: attempting bad refcount_add() overflow # [ 97.383244] ------------[ cut here ]------------ # [ 97.390995] WARNING: CPU: 0 PID: 2644 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 97.402565] refcount_t: saturated; leaking memory. # [ 97.410579] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.442508] CPU: 0 PID: 2644 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 97.453333] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.460127] Backtrace: # [ 97.462863] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.470703] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 97.476636] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.484219] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 97.491450] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c # [ 97.499468] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.507218] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6dc0000 # [ 97.513150] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 97.522377] r9:c1acdbb0 r8:c15e879c r7:c6dc1f60 r6:00000016 r5:c6ee4000 r4:c6dc0000 # [ 97.530394] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 97.540322] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 97.550681] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.560078] r4:0000002c # [ 97.562883] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.571160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.579346] r9:c6dc1f60 r8:c30e7f00 r7:00000016 r6:b6de8000 r5:c6822f00 r4:c0c34ae8 # [ 97.587363] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.595461] r9:c07e10e0 r8:c6dc1f60 r7:c2816000 r6:b6de8000 r5:c6822f00 r4:00000000 # [ 97.603472] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.610875] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6dc0000 r5:c6822f00 # [ 97.618968] r4:c6822f00 # [ 97.621772] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.629175] r9:c6dc0000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:00000016 r4:00000016 # [ 97.637191] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.645026] Exception stack(0xc6dc1fa8 to 0xc6dc1ff0) # [ 97.650348] 1fa0: 00000016 00000016 00000001 b6de8000 00000016 00000000 # [ 97.658795] 1fc0: 00000016 00000016 b6f2fe00 00000004 00000001 00000000 00020000 be822a64 # [ 97.667237] 1fe0: 00000004 be822798 b6e9a4cf b6e207e6 # [ 97.672620] irq event stamp: 0 # [ 97.678828] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.687561] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.698212] softirqs last enabled at (0)<6>[ 98.115140] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW : [] copy_process+0x5f8<6>[ 98.125028] lkdtm: attempting bad refcount_inc_not_zero() overflow /0x1974 # [ 97.708708] softirq<4>[ 98.134326] ------------[ cut here ]------------ s last disabled at (0): [<0000000<4>[ 98.142078] WARNING: CPU: 0 PID: 2678 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 0>] 0x0 # [ 97.714573] ---[ en<4>[ 98.153769] refcount_t: saturated; leaking memory. d trace c10b91bde76c15af ]--- # <4>[ 98.161652] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 97.719464] lkdtm: Overflow de<4>[ 98.193724] CPU: 0 PID: 2678 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 98.204462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.211254] Backtrace: <4>[ 98.213989] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.221830] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 98.227762] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.235346] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 98.242577] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c <4>[ 98.250594] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.258344] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c6c9c000 <4>[ 98.264275] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 98.273502] r9:c1acdbc8 r8:c15e879c r7:c6c9df60 r6:0000001f r5:c6ee3000 r4:7fffffff <4>[ 98.281518] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 98.292224] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 98.304140] r5:c6ee3000 r4:c6c9c000 <4>[ 98.307988] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.318166] r4:0000002d <4>[ 98.320968] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.329246] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.337431] r9:c6c9df60 r8:c30e7f00 r7:0000001f r6:b6e24000 r5:c6822dc0 r4:c0c34ae8 <4>[ 98.345450] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 98.353549] r9:c07e10e0 r8:c6c9df60 r7:c2816000 r6:b6e24000 r5:c6822dc0 r4:00000000 <4>[ 98.361560] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.368964] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6c9c000 r5:c6822dc0 <4>[ 98.377057] r4:c6822dc0 <4>[ 98.379860] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.387264] r9:c6c9c000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:0000001f r4:0000001f <4>[ 98.395278] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.403114] Exception stack(0xc6c9dfa8 to 0xc6c9dff0) <4>[ 98.408435] dfa0: 0000001f 0000001f 00000001 b6e24000 0000001f 00000000 <4>[ 98.416881] dfc0: 0000001f 0000001f b6f6be00 00000004 00000001 00000000 00020000 bea8da64 <4>[ 98.425324] dfe0: 00000004 bea8d798 b6ed64cf b6e5c7e6 tected: saturated # REFCOUNT_ADD<4>[ 98.430709] irq event stamp: 0 _OVERFLOW: missing 'call trace:':<4>[ 98.436916] hardirqs last enabled at (0): [<00000000>] 0x0 [FAIL] not ok 43 selftests: lkd<4>[ 98.445647] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 tm: REFCOUNT_ADD_OVERFLOW.sh # ex<4>[ 98.456280] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 it=1 # selftests: lkdtm: REFCOUN<4>[ 98.466893] softirqs last disabled at (0): [<00000000>] 0x0 T_INC_NOT_ZERO_OVERFLOW.sh <4>[ 98.475601] ---[ end trace c10b91bde76c15b0 ]--- <6>[ 98.482903] lkdtm: Overflow detected: saturated # [ 98.115140] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 98.125028] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 98.134326] ------------[ cut here ]------------ # [ 98.142078] WARNING: CPU: 0 PID: 2678 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.153769] refcount_t: saturated; leaking memory. # [ 98.161652] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.193724] CPU: 0 PID: 2678 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 98.204462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.211254] Backtrace: # [ 98.213989] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.221830] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 98.227762] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.235346] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 98.242577] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c # [ 98.250594] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.258344] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c6c9c000 # [ 98.264275] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 98.273502] r9:c1acdbc8 r8:c15e879c r7:c6c9df60 r6:0000001f r5:c6ee3000 r4:7fffffff # [ 98.281518] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 98.292224] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 98.304140] r5:c6ee3000 r4:c6c9c000 # [ 98.307988] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.318166] r4:0000002d # [ 98.320968] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.329246] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.337431] r9:c6c9df60 r8:c30e7f00 r7:0000001f r6:b6e24000 r5:c6822dc0 r4:c0c34ae8 # [ 98.345450] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.353549] r9:c07e10e0 r8:c6c9df60 r7:c2816000 r6:b6e24000 r5:c6822dc0 r4:00000000 # [ 98.361560] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.368964] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6c9c000 r5:c6822dc0 # [ 98.377057] r4:c6822dc0 # [ 98.379860] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.387264] r9:c6c9c000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:0000001f r4:0000001f # [ 98.395278] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.403114] Exception stack(0xc6c9dfa8 to 0xc6c9dff0) # [ 98.408435] dfa0: 0000001f 0000001f 00000001 b6e24000 0000001f 00000000 # [ 98.416881] dfc0: 0000001f 0000001f b6f6be00 00000004 00000001 00000000 00020000 bea8da64 # [ 98.425324] dfe0: 00000004 bea8d798 b6ed64cf b6e5c7e6 # [ 98.430709] irq event stamp: 0 # [ 98.436916] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.445647] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.4562<6>[ 98.883474] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 80] softirqs lt[ e n9a8b.890894] lkdtm: attempting bad refcount_add_not_zero() overflow ed at (0): [] copy_proc<4>[ 98.899503] ------------[ cut here ]------------ ess+0x5f8/0x1974 # [ 98.466893<4>[ 98.907181] WARNING: CPU: 1 PID: 2712 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ] softirqs last disabled at (0): <4>[ 98.918760] refcount_t: saturated; leaking memory. [<00000000>] 0x0 # [ 98.475601<4>[ 98.926609] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ] ---[ end trace c10b91bde76c15b0<4>[ 98.958578] CPU: 1 PID: 2712 Comm: cat Tainted: G D W 5.10.165-cip24 #1 ]--- # [ < 4 >9[ 8 . 49882.99069395] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] lkdtm: Overflow dec[t e d8.978004] Backtrace: : saturated # REFCOUNT_INC_NOT_Z<4>[ 98.982898] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ERO_OVERFLOW: mii[n g '9c8.993578] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 ll trace:': [FAIL] not [4 99.001582] [] (show_stack) from [] (dump_stack+0xe0/0x100) selftests: lkdtm: REFCOU_[I 99.011580] [] (dump_stack) from [] (__warn+0xfc/0x16c) NC_NOT_ZERO_OVERFL.[s h #99.021226] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c exit=1 # selftests:< 4l>k[d t m 99.031399] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) REFCOUNT_ADD_N_[Z E R 9O9_.041391] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c6f2a000 VERFLOW.sh <4>[ 99.049309] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 99.059561] r9:c1acdbe8 r8:c15e879c r7:c6f2bf60 r6:0000001f r5:c5f02000 r4:7fffffff <4>[ 99.067578] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 99.078282] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 99.090197] r5:c5f02000 r4:c6f2a000 <4>[ 99.094045] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.104224] r4:0000002e <4>[ 99.107028] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.115306] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.123491] r9:c6f2bf60 r8:c30e7f00 r7:0000001f r6:b6e54000 r5:c5c31a40 r4:c0c34ae8 <4>[ 99.131507] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 99.139606] r9:c07e10e0 r8:c6f2bf60 r7:c2816000 r6:b6e54000 r5:c5c31a40 r4:00000000 <4>[ 99.147618] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.155022] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6f2a000 r5:c5c31a40 <4>[ 99.163115] r4:c5c31a40 <4>[ 99.165919] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.173322] r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000001f r4:0000001f <4>[ 99.181336] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.189171] Exception stack(0xc6f2bfa8 to 0xc6f2bff0) <4>[ 99.194493] bfa0: 0000001f 0000001f 00000001 b6e54000 0000001f 00000000 <4>[ 99.202938] bfc0: 0000001f 0000001f b6f9be00 00000004 00000001 00000000 00020000 bef06a64 <4>[ 99.211383] bfe0: 00000004 bef06798 b6f064cf b6e8c7e6 <4>[ 99.216765] irq event stamp: 0 <4>[ 99.220099] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.225984] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.233802] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.241574] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.247507] ---[ end trace c10b91bde76c15b1 ]--- <6>[ 99.252403] lkdtm: Overflow detected: saturated # [ 98.883474] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 98.890894] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 98.899503] ------------[ cut here ]------------ # [ 98.907181] WARNING: CPU: 1 PID: 2712 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.918760] refcount_t: saturated; leaking memory. # [ 98.926609] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.958578] CPU: 1 PID: 2712 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 98.969395] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.978004] Backtrace: # [ 98.982898] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.993578] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 99.001582] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.011580] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 99.021226] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c # [ 99.031399] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.041391] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c6f2a000 # [ 99.049309] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.059561] r9:c1acdbe8 r8:c15e879c r7:c6f2bf60 r6:0000001f r5:c5f02000 r4:7fffffff # [ 99.067578] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.078282] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 99.090197] r5:c5f02000 r4:c6f2a000 # [ 99.094045] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.104224] r4:0000002e # [ 99.107028] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.115306] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.123491] r9:c6f2bf60 r8:c30e7f00 r7:0000001f r6:b6e54000 r5:c5c31a40 r4:c0c34ae8 # [ 99.131507] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.139606] r9:c07e10e0 r8:c6f2bf60 r7:c2816000 r6:b6e54000 r5:c5c31a40 r4:00000000 # [ 99.147618] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.155022] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6f2a000 r5:c5c31a40 # [ 99.163115] r4:c5c31a40 # [ 99.165919] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.173322] r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000001f r4:0000001f # [ 99.181336] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.189171] Exception stack(0xc6f2bfa8 to 0xc6f2bff0) # [ 99.194493] bfa0: 0000001f 0000001f 00000001 b6e54000 0000001f 00000000 # [ 99.202938] bfc0: 0000001f 0000001f b6f9be00 00000004 00000001 00000000 00020000 bef06a64 # [ 99.211383] bfe0: 00000004 bef06798 b6f064cf b6e8c7e6 # [ 99.216765] irq event stamp: 0 # [ 99.220099] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.225984] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.233802] softirqs last enabled at (0): [[ 99.647534] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 0353d04>] copy_process+0x5f8/0x19<6>[ 99.655961] lkdtm: attempting good refcount_dec() 74 # [ 99.241574] softirqs las<6>[ 99.663738] lkdtm: attempting bad refcount_dec() to zero t disabled at< 4(>0[) : [9<90.072108] ------------[ cut here ]------------ 000000>] 0x0 # [ 99.247507] --<4>[ 99.678964] WARNING: CPU: 2 PID: 2746 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 -[ end trace c10b91bde76c15b1 ]--<4>[ 99.690514] refcount_t: decrement hit 0; leaking memory. - # [ 99.252403] lkdtm: Overfl<4>[ 99.698937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ow detected: saturated # REFCOUN<4>[ 99.730914] CPU: 2 PID: 2746 Comm: cat Tainted: G D W 5.10.165-cip24 #1 T_ADD_NOZ[E R O _9O9V.E7R4F1731] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) OW: missing 'call tc[e : ' :9.750256] Backtrace: [FAIL] not ok 45 selftests: lkd<4>[ 99.755155] [] (dump_backtrace) from [] (show_stack+0x20/0x24) tm: REFCOUNT_ADD_NOZ[E R O99.765834] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 OVERFLOW.sh # exit=1 # set[ 99.773928] [] (show_stack) from [] (dump_stack+0xe0/0x100) sts: lkdtm: REFCOUNT_DEC_ZE. 99.784016] [] (dump_stack) from [] (__warn+0xfc/0x16c) sh <4>[ 99.793749] r9:00000009 r8:c0873600 r7:0000001f r6:00000009 r5:c0873600 r4:c1a21c1c <4>[ 99.802104] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.809860] r7:0000001f r6:c1a21c1c r5:c1a21c80 r4:c6f6e000 <4>[ 99.815796] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 99.825028] r9:c1acdc08 r8:c15e879c r7:c6f6ff60 r6:00000012 r5:c5c54000 r4:c6f6e000 <4>[ 99.833050] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 99.842979] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 99.852995] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.862047] r4:0000002f <4>[ 99.864853] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.873136] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.881324] r9:c6f6ff60 r8:c30e7f00 r7:00000012 r6:b6dd3000 r5:c29c9cc0 r4:c0c34ae8 <4>[ 99.889344] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 99.897446] r9:c07e10e0 r8:c6f6ff60 r7:c2816000 r6:b6dd3000 r5:c29c9cc0 r4:00000000 <4>[ 99.905463] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.912871] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6f6e000 r5:c29c9cc0 <4>[ 99.920968] r4:c29c9cc0 <4>[ 99.923775] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.931184] r9:c6f6e000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000012 r4:00000012 <4>[ 99.939203] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.947041] Exception stack(0xc6f6ffa8 to 0xc6f6fff0) <4>[ 99.952365] ffa0: 00000012 00000012 00000001 b6dd3000 00000012 00000000 <4>[ 99.960815] ffc0: 00000012 00000012 b6f1ae00 00000004 00000001 00000000 00020000 becf2a64 <4>[ 99.969261] ffe0: 00000004 becf2798 b6e854cf b6e0b7e6 <4>[ 99.974647] irq event stamp: 0 <4>[ 99.977987] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.983876] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.991660] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.999479] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.005408] ---[ end trace c10b91bde76c15b2 ]--- <6>[ 100.010313] lkdtm: Zero detected: saturated # [ 99.647534] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 99.655961] lkdtm: attempting good refcount_dec() # [ 99.663738] lkdtm: attempting bad refcount_dec() to zero # [ 99.672108] ------------[ cut here ]------------ # [ 99.678964] WARNING: CPU: 2 PID: 2746 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 99.690514] refcount_t: decrement hit 0; leaking memory. # [ 99.698937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.730914] CPU: 2 PID: 2746 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 99.741731] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.750256] Backtrace: # [ 99.755155] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.765834] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 99.773928] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.784016] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 99.793749] r9:00000009 r8:c0873600 r7:0000001f r6:00000009 r5:c0873600 r4:c1a21c1c # [ 99.802104] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.809860] r7:0000001f r6:c1a21c1c r5:c1a21c80 r4:c6f6e000 # [ 99.815796] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 99.825028] r9:c1acdc08 r8:c15e879c r7:c6f6ff60 r6:00000012 r5:c5c54000 r4:c6f6e000 # [ 99.833050] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 99.842979] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 99.852995] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.862047] r4:0000002f # [ 99.864853] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.873136] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.881324] r9:c6f6ff60 r8:c30e7f00 r7:00000012 r6:b6dd3000 r5:c29c9cc0 r4:c0c34ae8 # [ 99.889344] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.897446] r9:c07e10e0 r8:c6f6ff60 r7:c2816000 r6:b6dd3000 r5:c29c9cc0 r4:00000000 # [ 99.905463] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.912871] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6f6e000 r5:c29c9cc0 # [ 99.920968] r4:c29c9cc0 # [ 99.923775] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.931184] r9:c6f6e000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000012 r4:00000012 # [ 99.939203] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.947041] Exception stack(0xc6f6ffa8 to 0xc6f6fff0) # [ 99.952365] ffa0: 00000012 00000012 00000001 b6dd3000 00000012 00000000 # [ 99.960815] ffc0: 00000012 00000012 b6f1ae00 00000004 00000001 00000000 00020000 becf2a64 # [ 99.969261] ffe0: 00000004 becf2798 b6e854cf b6e0b7e6 # [ 99.974647] irq event stamp: 0 # [ 99.977987] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.983876] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.991660] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.999479] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.005408] ---[ end trace c10b91bde76c15b2 ]--- # [ 100.0103<6>[ 100.422544] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 13] lkdtm: Zero detected: saturat<6>[ 100.429187] lkdtm: attempting bad refcount_dec() below zero ed # REFCOUNT_DEC_ZERO: missing <4>[ 100.437897] ------------[ cut here ]------------ 'call trace:': [FAIL] not ok 46 <4>[ 100.445640] WARNING: CPU: 2 PID: 2784 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 selftests: lkdtm: REFCOUNT_DEC_ZE<4>[ 100.457163] refcount_t: decrement hit 0; leaking memory. RO.sh # exit=1 # selftests: lkdt<4>[ 100.465596] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 m: REFCOUNT_DEC_NEGATIVE.sh <4>[ 100.497586] CPU: 2 PID: 2784 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 100.508047] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.514841] Backtrace: <4>[ 100.517578] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.525418] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 100.531351] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.538935] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 100.546167] r9:00000009 r8:c0873600 r7:0000001f r6:00000009 r5:c0873600 r4:c1a21c1c <4>[ 100.554182] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.561934] r7:0000001f r6:c1a21c1c r5:c1a21c80 r4:c6c44000 <4>[ 100.567866] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 100.577095] r9:c1acdc1c r8:c15e879c r7:c6c45f60 r6:00000016 r5:00000000 r4:c6c44000 <4>[ 100.585109] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 100.595034] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 100.605393] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.614790] r5:c5c54000 r4:00000030 <4>[ 100.618634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.626912] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.635097] r9:c6c45f60 r8:c30e7f00 r7:00000016 r6:b6eac000 r5:c5b7b7c0 r4:c0c34ae8 <4>[ 100.643115] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 100.651214] r9:c07e10e0 r8:c6c45f60 r7:c2816000 r6:b6eac000 r5:c5b7b7c0 r4:00000000 <4>[ 100.659227] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.666631] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6c44000 r5:c5b7b7c0 <4>[ 100.674724] r4:c5b7b7c0 <4>[ 100.677526] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.684929] r9:c6c44000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000016 r4:00000016 <4>[ 100.692943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.700777] Exception stack(0xc6c45fa8 to 0xc6c45ff0) <4>[ 100.706099] 5fa0: 00000016 00000016 00000001 b6eac000 00000016 00000000 <4>[ 100.714545] 5fc0: 00000016 00000016 b6ff3e00 00000004 00000001 00000000 00020000 bee60a64 <4>[ 100.722989] 5fe0: 00000004 bee60798 b6f5e4cf b6ee47e6 <4>[ 100.728360] irq event stamp: 0 <4>[ 100.731694] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.737572] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.745371] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.753164] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.759018] ---[ end trace c10b91bde76c15b3 ]--- <6>[ 100.763946] lkdtm: Negative detected: saturated # [ 100.422544] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 100.429187] lkdtm: attempting bad refcount_dec() below zero # [ 100.437897] ------------[ cut here ]------------ # [ 100.445640] WARNING: CPU: 2 PID: 2784 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 100.457163] refcount_t: decrement hit 0; leaking memory. # [ 100.465596] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.497586] CPU: 2 PID: 2784 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 100.508047] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.514841] Backtrace: # [ 100.517578] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.525418] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 100.531351] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.538935] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 100.546167] r9:00000009 r8:c0873600 r7:0000001f r6:00000009 r5:c0873600 r4:c1a21c1c # [ 100.554182] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.561934] r7:0000001f r6:c1a21c1c r5:c1a21c80 r4:c6c44000 # [ 100.567866] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 100.577095] r9:c1acdc1c r8:c15e879c r7:c6c45f60 r6:00000016 r5:00000000 r4:c6c44000 # [ 100.585109] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 100.595034] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 100.605393] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.614790] r5:c5c54000 r4:00000030 # [ 100.618634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.626912] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.635097] r9:c6c45f60 r8:c30e7f00 r7:00000016 r6:b6eac000 r5:c5b7b7c0 r4:c0c34ae8 # [ 100.643115] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.651214] r9:c07e10e0 r8:c6c45f60 r7:c2816000 r6:b6eac000 r5:c5b7b7c0 r4:00000000 # [ 100.659227] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.666631] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6c44000 r5:c5b7b7c0 # [ 100.674724] r4:c5b7b7c0 # [ 100.677526] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.684929] r9:c6c44000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000016 r4:00000016 # [ 100.692943] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.700777] Exception stack(0xc6c45fa8 to 0xc6c45ff0) # [ 100.706099] 5fa0: 00000016 00000016 00000001 b6eac000 00000016 00000000 # [ 100.714545] 5fc0: 00000016 00000016 b6ff3e00 00000004 00000001 00000000 00020000 bee60a64 # [ 100.722989] 5fe0: 00000004 bee60798 b6f5e4cf b6ee47e6 # [ 100.728360] irq event stamp: 0 # [ 100.731694] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.737572] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.745371] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.753164] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.759018] ---[ end trace c10b91bde76c15b3 ]--- # [ 100.763946] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected:<6>[ 101.180994] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE saturated': ok ok 47 selftests:<6>[ 101.189362] lkdtm: attempting bad refcount_dec_and_test() below zero lkdtm: REFCOUNT_DEC_NEGATIVE.sh <4>[ 101.198970] ------------[ cut here ]------------ # selftests: lkdtm: REFCOUNT_DEC<4>[ 101.206585] WARNING: CPU: 3 PID: 2819 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 _AND_TEST_NEGATIVE.sh <4>[ 101.218211] refcount_t: underflow; use-after-free. <4>[ 101.225248] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 101.254661] CPU: 3 PID: 2819 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 101.262671] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.269464] Backtrace: <4>[ 101.272200] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.280039] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 101.285972] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.293555] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 101.300786] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c <4>[ 101.308804] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.316554] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6c9c000 <4>[ 101.322487] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 101.331801] r9:c1acdc34 r8:c15e879c r7:c6c9df60 r6:0000001f r5:00000000 r4:c6c9c000 <4>[ 101.339819] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 101.350528] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 101.362449] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.372628] r5:c6e0d000 r4:00000031 <4>[ 101.376475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.384754] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.392939] r9:c6c9df60 r8:c30e7f00 r7:0000001f r6:b6e55000 r5:c59ecb40 r4:c0c34ae8 <4>[ 101.400957] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 101.409056] r9:c07e10e0 r8:c6c9df60 r7:c2816000 r6:b6e55000 r5:c59ecb40 r4:00000000 <4>[ 101.417067] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.424471] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6c9c000 r5:c59ecb40 <4>[ 101.432565] r4:c59ecb40 <4>[ 101.435370] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.442775] r9:c6c9c000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000001f r4:0000001f <4>[ 101.450790] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.458626] Exception stack(0xc6c9dfa8 to 0xc6c9dff0) <4>[ 101.463946] dfa0: 0000001f 0000001f 00000001 b6e55000 0000001f 00000000 <4>[ 101.472391] dfc0: 0000001f 0000001f b6f9ce00 00000004 00000001 00000000 00020000 becd6a64 <4>[ 101.480835] dfe0: 00000004 becd6798 b6f074cf b6e8d7e6 <4>[ 101.486229] irq event stamp: 0 <4>[ 101.489562] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.495441] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.503233] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.510990] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.516881] ---[ end trace c10b91bde76c15b4 ]--- <6>[ 101.521773] lkdtm: Negative detected: saturated # [ 101.180994] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 101.189362] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 101.198970] ------------[ cut here ]------------ # [ 101.206585] WARNING: CPU: 3 PID: 2819 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.218211] refcount_t: underflow; use-after-free. # [ 101.225248] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.254661] CPU: 3 PID: 2819 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 101.262671] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.269464] Backtrace: # [ 101.272200] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.280039] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 101.285972] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.293555] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 101.300786] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c # [ 101.308804] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.316554] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6c9c000 # [ 101.322487] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 101.331801] r9:c1acdc34 r8:c15e879c r7:c6c9df60 r6:0000001f r5:00000000 r4:c6c9c000 # [ 101.339819] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 101.350528] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 101.362449] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.372628] r5:c6e0d000 r4:00000031 # [ 101.376475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.384754] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.392939] r9:c6c9df60 r8:c30e7f00 r7:0000001f r6:b6e55000 r5:c59ecb40 r4:c0c34ae8 # [ 101.400957] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.409056] r9:c07e10e0 r8:c6c9df60 r7:c2816000 r6:b6e55000 r5:c59ecb40 r4:00000000 # [ 101.417067] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.424471] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6c9c000 r5:c59ecb40 # [ 101.432565] r4:c59ecb40 # [ 101.435370] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.442775] r9:c6c9c000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000001f r4:0000001f # [ 101.450790] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.458626] Exception stack(0xc6c9dfa8 to 0xc6c9dff0) # [ 101.463946] dfa0: 0000001f 0000001f 00000001 b6e55000 0000001f 00000000 # [ 101.472391] dfc0: 0000001f 0000001f b6f9ce00 00000004 00000001 00000000 00020000 becd6a64 # [ 101.480835] dfe0: 00000004 becd6798 b6f074cf b6e8d7e6 # [ 101.486229] irq event stamp: 0 # [ 101.489562] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.495441] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.503233] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.510990] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.516881] ---[ end trace c10b91bde76c15b4 ]--- # [ 101.521773] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: <6>[ 101.965529] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE REFCOUNT_SUB_AND_TEST_NEGATIVE.sh<6>[ 101.974146] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 101.983745] ------------[ cut here ]------------ <4>[ 101.988679] WARNING: CPU: 1 PID: 2854 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 101.997541] refcount_t: underflow; use-after-free. <4>[ 102.002607] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 102.032079] CPU: 1 PID: 2854 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 102.040090] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.046883] Backtrace: <4>[ 102.049619] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.057459] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 102.063394] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.070977] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 102.078207] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c <4>[ 102.086224] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.093974] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6f4a000 <4>[ 102.099905] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 102.109218] r9:c1acdc54 r8:c15e879c r7:c6f4bf60 r6:0000001f r5:c5a85000 r4:c6f4a000 <4>[ 102.117235] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 102.127943] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 102.139862] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.150040] r4:00000032 <4>[ 102.152844] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.161121] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.169307] r9:c6f4bf60 r8:c30e7f00 r7:0000001f r6:b6e9c000 r5:c6974a00 r4:c0c34ae8 <4>[ 102.177324] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 102.185422] r9:c07e10e0 r8:c6f4bf60 r7:c2816000 r6:b6e9c000 r5:c6974a00 r4:00000000 <4>[ 102.193434] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.200839] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c6f4a000 r5:c6974a00 <4>[ 102.208935] r4:c6974a00 <4>[ 102.211739] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.219142] r9:c6f4a000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:0000001f r4:0000001f <4>[ 102.227158] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.234992] Exception stack(0xc6f4bfa8 to 0xc6f4bff0) <4>[ 102.240313] bfa0: 0000001f 0000001f 00000001 b6e9c000 0000001f 00000000 <4>[ 102.248760] bfc0: 0000001f 0000001f b6fe3e00 00000004 00000001 00000000 00020000 bebc8a64 <4>[ 102.257202] bfe0: 00000004 bebc8798 b6f4e4cf b6ed47e6 <4>[ 102.262582] irq event stamp: 0 <4>[ 102.265948] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.271800] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 102.279613] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 102.287428] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.293315] ---[ end trace c10b91bde76c15b5 ]--- <6>[ 102.298211] lkdtm: Negative detected: saturated # [ 101.965529] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 101.974146] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 101.983745] ------------[ cut here ]------------ # [ 101.988679] WARNING: CPU: 1 PID: 2854 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.997541] refcount_t: underflow; use-after-free. # [ 102.002607] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.032079] CPU: 1 PID: 2854 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 102.040090] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.046883] Backtrace: # [ 102.049619] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.057459] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 102.063394] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.070977] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 102.078207] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c # [ 102.086224] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.093974] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6f4a000 # [ 102.099905] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 102.109218] r9:c1acdc54 r8:c15e879c r7:c6f4bf60 r6:0000001f r5:c5a85000 r4:c6f4a000 # [ 102.117235] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 102.127943] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 102.139862] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.150040] r4:00000032 # [ 102.152844] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.161121] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.169307] r9:c6f4bf60 r8:c30e7f00 r7:0000001f r6:b6e9c000 r5:c6974a00 r4:c0c34ae8 # [ 102.177324] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.185422] r9:c07e10e0 r8:c6f4bf60 r7:c2816000 r6:b6e9c000 r5:c6974a00 r4:00000000 # [ 102.193434] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.200839] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c6f4a000 r5:c6974a00 # [ 102.208935] r4:c6974a00 # [ 102.211739] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.219142] r9:c6f4a000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:0000001f r4:0000001f # [ 102.227158] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.234992] Exception stack(0xc6f4bfa8 to 0xc6f4bff0) # [ 102.240313] bfa0: 0000001f 0000001f 00000001 b6e9c000 0000001f 00000000 # [ 102.248760] bfc0: 0000001f 0000001f b6fe3e00 00000004 00000001 00000000 00020000 bebc8a64 # [ 102.257202] bfe0: 00000004 bebc8798 b6f4e4cf b6ed47e6 # [ 102.262582] irq event stamp: 0 # [ 102.265948] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.271800] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.279613] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.287428] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.293315] ---[ end trace c10b91bde76c15b5 ]--- # [ 102.298211] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'N<6>[ 102.725805] lkdtm: Performing direct entry REFCOUNT_INC_ZERO egative detected<:6 >s[a t u10r2a732296] lkdtm: attempting safe refcount_inc_not_zero() from zero ted': ok ok 49 selftests: lkdtm:<6>[ 102.741056] lkdtm: Good: zero detected REFCOUNT_SUB_AND_TEST_NEGATIVE.s<6>[ 102.747861] lkdtm: Correctly stayed at zero h # selftests: lkdtm: REFCOUNT_I<6>[ 102.755244] lkdtm: attempting bad refcount_inc() from zero NC_ZERO.sh <4>[ 102.763762] ------------[ cut here ]------------ <4>[ 102.769646] WARNING: CPU: 2 PID: 2886 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 102.778477] refcount_t: addition on 0; use-after-free. <4>[ 102.783914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 102.813328] CPU: 2 PID: 2886 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 102.821340] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.828132] Backtrace: <4>[ 102.830868] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.838709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 102.844642] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.852226] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 102.859457] r9:00000009 r8:c087369c r7:00000019 r6:00000009 r5:c087369c r4:c1a21c1c <4>[ 102.867474] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.875223] r7:00000019 r6:c1a21c1c r5:c1a21c2c r4:c6950000 <4>[ 102.881154] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 102.890467] r9:c1acdc74 r8:c15e879c r7:c6951f60 r6:00000012 r5:00000000 r4:c6950000 <4>[ 102.898484] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 102.908411] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 102.918422] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.927474] r5:c5dd7000 r4:00000033 <4>[ 102.931321] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.939598] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.947785] r9:c6951f60 r8:c30e7f00 r7:00000012 r6:b6e1a000 r5:c6939040 r4:c0c34ae8 <4>[ 102.955801] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 102.963898] r9:c07e10e0 r8:c6951f60 r7:c2816000 r6:b6e1a000 r5:c6939040 r4:00000000 <4>[ 102.971911] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.979316] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6950000 r5:c6939040 <4>[ 102.987410] r4:c6939040 <4>[ 102.990213] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.997618] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000012 r4:00000012 <4>[ 103.005632] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.013468] Exception stack(0xc6951fa8 to 0xc6951ff0) <4>[ 103.018788] 1fa0: 00000012 00000012 00000001 b6e1a000 00000012 00000000 <4>[ 103.027234] 1fc0: 00000012 00000012 b6f61e00 00000004 00000001 00000000 00020000 beb2ba64 <4>[ 103.035678] 1fe0: 00000004 beb2b798 b6ecc4cf b6e527e6 <4>[ 103.041058] irq event stamp: 0 <4>[ 103.044433] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 103.050287] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.058075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.065861] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 103.071705] ---[ end trace c10b91bde76c15b6 ]--- <6>[ 103.076618] lkdtm: Zero detected: saturated # [ 102.725805] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 102.732296] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 102.741056] lkdtm: Good: zero detected # [ 102.747861] lkdtm: Correctly stayed at zero # [ 102.755244] lkdtm: attempting bad refcount_inc() from zero # [ 102.763762] ------------[ cut here ]------------ # [ 102.769646] WARNING: CPU: 2 PID: 2886 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 102.778477] refcount_t: addition on 0; use-after-free. # [ 102.783914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.813328] CPU: 2 PID: 2886 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 102.821340] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.828132] Backtrace: # [ 102.830868] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.838709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 102.844642] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.852226] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 102.859457] r9:00000009 r8:c087369c r7:00000019 r6:00000009 r5:c087369c r4:c1a21c1c # [ 102.867474] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.875223] r7:00000019 r6:c1a21c1c r5:c1a21c2c r4:c6950000 # [ 102.881154] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 102.890467] r9:c1acdc74 r8:c15e879c r7:c6951f60 r6:00000012 r5:00000000 r4:c6950000 # [ 102.898484] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 102.908411] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 102.918422] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.927474] r5:c5dd7000 r4:00000033 # [ 102.931321] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.939598] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.947785] r9:c6951f60 r8:c30e7f00 r7:00000012 r6:b6e1a000 r5:c6939040 r4:c0c34ae8 # [ 102.955801] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.963898] r9:c07e10e0 r8:c6951f60 r7:c2816000 r6:b6e1a000 r5:c6939040 r4:00000000 # [ 102.971911] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.979316] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6950000 r5:c6939040 # [ 102.987410] r4:c6939040 # [ 102.990213] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.997618] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000012 r4:00000012 # [ 103.005632] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.013468] Exception stack(0xc6951fa8 to 0xc6951ff0) # [ 103.018788] 1fa0: 00000012 00000012 00000001 b6e1a000 00000012 00000000 # [ 103.027234] 1fc0: 00000012 00000012 b6f61e00 00000004 00000001 00000000 00020000 beb2ba64 # [ 103.035678] 1fe0: 00000004 beb2b798 b6ecc4cf b6e527e6 # [ 103.041058] irq event stamp: 0 # [ 103.044433] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.050287] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.058075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.065861] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.071705] ---[ end trace c10b91bde76c15b6 ]--- # [ 103.076618] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] no<6>[ 103.515150] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO t ok 50 selftes[: l1k0d3t.521915] lkdtm: attempting safe refcount_add_not_zero() from zero : REFCOUNT_INC_ZERO.sh # exit=1 <6>[ 103.530749] lkdtm: Good: zero detected # selftests: lkdtm: REFCOUNT_ADD_<6>[ 103.537482] lkdtm: Correctly stayed at zero ZERO.sh <6>[ 103.544869] lkdtm: attempting bad refcount_add() from zero <4>[ 103.551264] ------------[ cut here ]------------ <4>[ 103.556229] WARNING: CPU: 3 PID: 2920 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 103.565058] refcount_t: addition on 0; use-after-free. <4>[ 103.570511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 103.599933] CPU: 3 PID: 2920 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 103.607947] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 103.614739] Backtrace: <4>[ 103.617473] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 103.625314] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 103.631245] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 103.638829] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 103.646061] r9:00000009 r8:c087369c r7:00000019 r6:00000009 r5:c087369c r4:c1a21c1c <4>[ 103.654078] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 103.661828] r7:00000019 r6:c1a21c1c r5:c1a21c2c r4:c6e64000 <4>[ 103.667763] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 103.677077] r9:c1acdc88 r8:c15e879c r7:c6e65f60 r6:00000012 r5:00000000 r4:c6e64000 <4>[ 103.685094] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 103.695022] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 103.705035] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 103.714085] r5:c5b2c000 r4:00000034 <4>[ 103.717932] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 103.726212] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 103.734398] r9:c6e65f60 r8:c30e7f00 r7:00000012 r6:b6e10000 r5:c5c3ea00 r4:c0c34ae8 <4>[ 103.742416] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 103.750515] r9:c07e10e0 r8:c6e65f60 r7:c2816000 r6:b6e10000 r5:c5c3ea00 r4:00000000 <4>[ 103.758527] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 103.765931] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c6e64000 r5:c5c3ea00 <4>[ 103.774025] r4:c5c3ea00 <4>[ 103.776828] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 103.784232] r9:c6e64000 r8:c03002e4 r7:00000004 r6:b6f57e00 r5:00000012 r4:00000012 <4>[ 103.792248] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.800082] Exception stack(0xc6e65fa8 to 0xc6e65ff0) <4>[ 103.805404] 5fa0: 00000012 00000012 00000001 b6e10000 00000012 00000000 <4>[ 103.813850] 5fc0: 00000012 00000012 b6f57e00 00000004 00000001 00000000 00020000 bed72a64 <4>[ 103.822296] 5fe0: 00000004 bed72798 b6ec24cf b6e487e6 <4>[ 103.827678] irq event stamp: 0 <4>[ 103.831013] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 103.836892] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.844689] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.852457] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 103.858338] ---[ end trace c10b91bde76c15b7 ]--- <6>[ 103.863262] lkdtm: Zero detected: saturated # [ 103.515150] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 103.521915] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 103.530749] lkdtm: Good: zero detected # [ 103.537482] lkdtm: Correctly stayed at zero # [ 103.544869] lkdtm: attempting bad refcount_add() from zero # [ 103.551264] ------------[ cut here ]------------ # [ 103.556229] WARNING: CPU: 3 PID: 2920 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 103.565058] refcount_t: addition on 0; use-after-free. # [ 103.570511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 103.599933] CPU: 3 PID: 2920 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 103.607947] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.614739] Backtrace: # [ 103.617473] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.625314] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 103.631245] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.638829] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 103.646061] r9:00000009 r8:c087369c r7:00000019 r6:00000009 r5:c087369c r4:c1a21c1c # [ 103.654078] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 103.661828] r7:00000019 r6:c1a21c1c r5:c1a21c2c r4:c6e64000 # [ 103.667763] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 103.677077] r9:c1acdc88 r8:c15e879c r7:c6e65f60 r6:00000012 r5:00000000 r4:c6e64000 # [ 103.685094] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 103.695022] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 103.705035] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.714085] r5:c5b2c000 r4:00000034 # [ 103.717932] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.726212] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.734398] r9:c6e65f60 r8:c30e7f00 r7:00000012 r6:b6e10000 r5:c5c3ea00 r4:c0c34ae8 # [ 103.742416] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.750515] r9:c07e10e0 r8:c6e65f60 r7:c2816000 r6:b6e10000 r5:c5c3ea00 r4:00000000 # [ 103.758527] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.765931] r10:00000004 r9:00000000 r8:00000000 r7:b6e10000 r6:c6e64000 r5:c5c3ea00 # [ 103.774025] r4:c5c3ea00 # [ 103.776828] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.784232] r9:c6e64000 r8:c03002e4 r7:00000004 r6:b6f57e00 r5:00000012 r4:00000012 # [ 103.792248] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.800082] Exception stack(0xc6e65fa8 to 0xc6e65ff0) # [ 103.805404] 5fa0: 00000012 00000012 00000001 b6e10000 00000012 00000000 # [ 103.813850] 5fc0: 00000012 00000012 b6f57e00 00000004 00000001 00000000 00020000 bed72a64 # [ 103.822296] 5fe0: 00000004 bed72798 b6ec24cf b6e487e6 # [ 103.827678] irq event stamp: 0 # [ 103.831013] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.836892] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.844689] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.852457] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.858338] ---[ end trace c10b91bde76c15b7 ]--- # [ 103.863262] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh <6>[ 104.325095] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 104.331470] lkdtm: attempting bad refcount_inc() from saturated <4>[ 104.337753] ------------[ cut here ]------------ <4>[ 104.342657] WARNING: CPU: 1 PID: 2957 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 104.351426] refcount_t: saturated; leaking memory. <4>[ 104.356540] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 104.385956] CPU: 1 PID: 2957 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 104.393966] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.400759] Backtrace: <4>[ 104.403492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.411331] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 104.417264] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.424847] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 104.432077] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c <4>[ 104.440093] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.447844] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6ee6000 <4>[ 104.453774] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 104.463002] r9:c1acdc9c r8:c15e879c r7:c6ee7f60 r6:00000017 r5:c5e44000 r4:c6ee6000 <4>[ 104.471018] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 104.480945] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 104.491391] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 104.500874] r4:00000035 <4>[ 104.503678] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 104.511958] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 104.520144] r9:c6ee7f60 r8:c30e7f00 r7:00000017 r6:b6e5b000 r5:c6938b40 r4:c0c34ae8 <4>[ 104.528162] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 104.536260] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6e5b000 r5:c6938b40 r4:00000000 <4>[ 104.544272] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 104.551675] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6ee6000 r5:c6938b40 <4>[ 104.559769] r4:c6938b40 <4>[ 104.562571] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 104.569976] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000017 r4:00000017 <4>[ 104.577991] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 104.585826] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) <4>[ 104.591147] 7fa0: 00000017 00000017 00000001 b6e5b000 00000017 00000000 <4>[ 104.599593] 7fc0: 00000017 00000017 b6fa2e00 00000004 00000001 00000000 00020000 bec74a64 <4>[ 104.608037] 7fe0: 00000004 bec74798 b6f0d4cf b6e937e6 <4>[ 104.613439] irq event stamp: 0 <4>[ 104.616774] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 104.622624] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 104.630433] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 104.638276] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 104.644170] ---[ end trace c10b91bde76c15b8 ]--- <6>[ 104.649071] lkdtm: Saturation detected: still saturated # [ 104.325095] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 104.331470] lkdtm: attempting bad refcount_inc() from saturated # [ 104.337753] ------------[ cut here ]------------ # [ 104.342657] WARNING: CPU: 1 PID: 2957 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 104.351426] refcount_t: saturated; leaking memory. # [ 104.356540] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.385956] CPU: 1 PID: 2957 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 104.393966] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.400759] Backtrace: # [ 104.403492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.411331] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 104.417264] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.424847] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 104.432077] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c # [ 104.440093] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.447844] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6ee6000 # [ 104.453774] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 104.463002] r9:c1acdc9c r8:c15e879c r7:c6ee7f60 r6:00000017 r5:c5e44000 r4:c6ee6000 # [ 104.471018] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 104.480945] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 104.491391] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.500874] r4:00000035 # [ 104.503678] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.511958] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.520144] r9:c6ee7f60 r8:c30e7f00 r7:00000017 r6:b6e5b000 r5:c6938b40 r4:c0c34ae8 # [ 104.528162] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.536260] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6e5b000 r5:c6938b40 r4:00000000 # [ 104.544272] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.551675] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6ee6000 r5:c6938b40 # [ 104.559769] r4:c6938b40 # [ 104.562571] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.569976] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000017 r4:00000017 # [ 104.577991] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.585826] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) # [ 104.591147] 7fa0: 00000017 00000017 00000001 b6e5b000 00000017 00000000 # [ 104.599593] 7fc0: 00000017 00000017 b6fa2e00 00000004 00000001 00000000 00020000 bec74a64 # [ 104.608037] 7fe0: 00000004 bec74798 b6f0d4cf b6e937e6 # [ 104.613439] irq event stamp: 0 # [ 104.616774] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.622624] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.630433] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.638276] softirqs last disabled at (0): [<00000000>] 0x0 # [ 104.644170] ---[ end trace c10b91bde76c15b8 ]--- # [ 104.649071] 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>[ 105.117335] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 105.123773] lkdtm: attempting bad refcount_dec() from saturated <4>[ 105.129970] ------------[ cut here ]------------ <4>[ 105.135068] WARNING: CPU: 3 PID: 2992 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 105.143834] refcount_t: decrement hit 0; leaking memory. <4>[ 105.149418] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 105.178827] CPU: 3 PID: 2992 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 105.186838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.193632] Backtrace: <4>[ 105.196368] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.204209] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 105.210141] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.217724] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 105.224956] r9:00000009 r8:c0873600 r7:0000001f r6:00000009 r5:c0873600 r4:c1a21c1c <4>[ 105.232970] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 105.240720] r7:0000001f r6:c1a21c1c r5:c1a21c80 r4:c6ee6000 <4>[ 105.246651] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 105.255879] r9:c1acdcb4 r8:c15e879c r7:c6ee7f60 r6:00000017 r5:c5c58000 r4:c6ee6000 <4>[ 105.263894] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 105.273820] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 105.284265] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.293748] r4:00000036 <4>[ 105.296551] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.304830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.313016] r9:c6ee7f60 r8:c30e7f00 r7:00000017 r6:b6dc3000 r5:c6a283c0 r4:c0c34ae8 <4>[ 105.321032] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 105.329131] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6dc3000 r5:c6a283c0 r4:00000000 <4>[ 105.337144] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.344549] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c6ee6000 r5:c6a283c0 <4>[ 105.352644] r4:c6a283c0 <4>[ 105.355447] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.362851] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:00000017 r4:00000017 <4>[ 105.370868] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.378703] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) <4>[ 105.384022] 7fa0: 00000017 00000017 00000001 b6dc3000 00000017 00000000 <4>[ 105.392468] 7fc0: 00000017 00000017 b6f0ae00 00000004 00000001 00000000 00020000 bed4ba64 <4>[ 105.400912] 7fe0: 00000004 bed4b798 b6e754cf b6dfb7e6 <4>[ 105.406293] irq event stamp: 0 <4>[ 105.409627] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.415553] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.423342] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.431122] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 105.437010] ---[ end trace c10b91bde76c15b9 ]--- <6>[ 105.441904] lkdtm: Saturation detected: still saturated # [ 105.117335] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 105.123773] lkdtm: attempting bad refcount_dec() from saturated # [ 105.129970] ------------[ cut here ]------------ # [ 105.135068] WARNING: CPU: 3 PID: 2992 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 105.143834] refcount_t: decrement hit 0; leaking memory. # [ 105.149418] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.178827] CPU: 3 PID: 2992 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 105.186838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.193632] Backtrace: # [ 105.196368] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.204209] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 105.210141] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.217724] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 105.224956] r9:00000009 r8:c0873600 r7:0000001f r6:00000009 r5:c0873600 r4:c1a21c1c # [ 105.232970] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.240720] r7:0000001f r6:c1a21c1c r5:c1a21c80 r4:c6ee6000 # [ 105.246651] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 105.255879] r9:c1acdcb4 r8:c15e879c r7:c6ee7f60 r6:00000017 r5:c5c58000 r4:c6ee6000 # [ 105.263894] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 105.273820] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 105.284265] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.293748] r4:00000036 # [ 105.296551] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.304830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.313016] r9:c6ee7f60 r8:c30e7f00 r7:00000017 r6:b6dc3000 r5:c6a283c0 r4:c0c34ae8 # [ 105.321032] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.329131] r9:c07e10e0 r8:c6ee7f60 r7:c2816000 r6:b6dc3000 r5:c6a283c0 r4:00000000 # [ 105.337144] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.344549] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c6ee6000 r5:c6a283c0 # [ 105.352644] r4:c6a283c0 # [ 105.355447] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.362851] r9:c6ee6000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:00000017 r4:00000017 # [ 105.370868] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.378703] Exception stack(0xc6ee7fa8 to 0xc6ee7ff0) # [ 105.384022] 7fa0: 00000017 00000017 00000001 b6dc3000 00000017 00000000 # [ 105.392468] 7fc0: 00000017 00000017 b6f0ae00 00000004 00000001 00000000 00020000 bed4ba64 # [ 105.400912] 7fe0: 00000004 bed4b798 b6e754cf b6dfb7e6 # [ 105.406293] irq event stamp: 0 # [ 105.409627] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.415553] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.423342] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.431122] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.437010] ---[ end trace c10b91bde76c15b9 ]--- # [ 105.441904] 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<6>[ 105.883459] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED _SATURATED.sh <6>[ 105.892394] lkdtm: attempting bad refcount_dec() from saturated <4>[ 105.899948] ------------[ cut here ]------------ <4>[ 105.904914] WARNING: CPU: 1 PID: 3027 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 105.913658] refcount_t: saturated; leaking memory. <4>[ 105.918719] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 105.948151] CPU: 1 PID: 3027 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 105.956162] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.962955] Backtrace: <4>[ 105.965692] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.973534] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 105.979465] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.987049] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 105.994279] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c <4>[ 106.002295] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 106.010046] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6b54000 <4>[ 106.015976] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 106.025203] r9:c1acdccc r8:c15e879c r7:c6b55f60 r6:00000017 r5:c5e44000 r4:c6b54000 <4>[ 106.033220] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 106.043147] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 106.053591] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 106.063075] r4:00000037 <4>[ 106.065879] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 106.074156] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 106.082342] r9:c6b55f60 r8:c30e7f00 r7:00000017 r6:b6dc5000 r5:c5c3f2c0 r4:c0c34ae8 <4>[ 106.090358] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 106.098458] r9:c07e10e0 r8:c6b55f60 r7:c2816000 r6:b6dc5000 r5:c5c3f2c0 r4:00000000 <4>[ 106.106470] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 106.113874] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6b54000 r5:c5c3f2c0 <4>[ 106.121969] r4:c5c3f2c0 <4>[ 106.124771] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 106.132175] r9:c6b54000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000017 r4:00000017 <4>[ 106.140189] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 106.148023] Exception stack(0xc6b55fa8 to 0xc6b55ff0) <4>[ 106.153344] 5fa0: 00000017 00000017 00000001 b6dc5000 00000017 00000000 <4>[ 106.161790] 5fc0: 00000017 00000017 b6f0ce00 00000004 00000001 00000000 00020000 bec09a64 <4>[ 106.170232] 5fe0: 00000004 bec09798 b6e774cf b6dfd7e6 <4>[ 106.175617] irq event stamp: 0 <4>[ 106.178952] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 106.184835] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 106.192614] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 106.200447] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.206369] ---[ end trace c10b91bde76c15ba ]--- <6>[ 106.211261] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 105.883459] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 105.892394] lkdtm: attempting bad refcount_dec() from saturated # [ 105.899948] ------------[ cut here ]------------ # [ 105.904914] WARNING: CPU: 1 PID: 3027 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 105.913658] refcount_t: saturated; leaking memory. # [ 105.918719] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.948151] CPU: 1 PID: 3027 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 105.956162] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.962955] Backtrace: # [ 105.965692] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.973534] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 105.979465] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.987049] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 105.994279] r9:00000009 r8:c0873668 r7:00000016 r6:00000009 r5:c0873668 r4:c1a21c1c # [ 106.002295] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 106.010046] r7:00000016 r6:c1a21c1c r5:c1a21bf4 r4:c6b54000 # [ 106.015976] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 106.025203] r9:c1acdccc r8:c15e879c r7:c6b55f60 r6:00000017 r5:c5e44000 r4:c6b54000 # [ 106.033220] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 106.043147] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 106.053591] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.063075] r4:00000037 # [ 106.065879] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.074156] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.082342] r9:c6b55f60 r8:c30e7f00 r7:00000017 r6:b6dc5000 r5:c5c3f2c0 r4:c0c34ae8 # [ 106.090358] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.098458] r9:c07e10e0 r8:c6b55f60 r7:c2816000 r6:b6dc5000 r5:c5c3f2c0 r4:00000000 # [ 106.106470] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.113874] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6b54000 r5:c5c3f2c0 # [ 106.121969] r4:c5c3f2c0 # [ 106.124771] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.132175] r9:c6b54000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000017 r4:00000017 # [ 106.140189] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.148023] Exception stack(0xc6b55fa8 to 0xc6b55ff0) # [ 106.153344] 5fa0: 00000017 00000017 00000001 b6dc5000 00000017 00000000 # [ 106.161790] 5fc0: 00000017 00000017 b6f0ce00 00000004 00000001 00000000 00020000 bec09a64 # [ 106.170232] 5fe0: 00000004 bec09798 b6e774cf b6dfd7e6 # [ 106.175617] irq event stamp: 0 # [ 106.178952] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 106.184835] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 106.192614] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 106.200447] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.206369] ---[ end trace c10b91bde76c15ba ]--- # [ 106.211261] lkdtm<6>[ 106.647826] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED : Saturation detected: still satu<6>[ 106.656957] lkdtm: attempting bad refcount_inc_not_zero() from saturated rated # REFCOUNT_ADD_SATURATED: <4>[ 106.666908] ------------[ cut here ]------------ saw 'Saturation detected: still s<4>[ 106.674534] WARNING: CPU: 2 PID: 3059 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 aturated': ok ok 54 selftests: l<4>[ 106.686095] refcount_t: saturated; leaking memory. kdtm: REFCOUNT_ADD_SATURATED.sh <4>[ 106.693982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # selftests: lkdtm: REFCOUNT_INC_<4>[ 106.725956] CPU: 2 PID: 3059 Comm: cat Tainted: G D W 5.10.165-cip24 #1 NOT_ZERO_SATUT[E D .1s0h6 . 36780] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 106.745474] Backtrace: <4>[ 106.748210] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 106.756051] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 106.761984] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 106.769568] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 106.776800] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c <4>[ 106.784817] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 106.792569] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c6b54000 <4>[ 106.798499] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 106.807728] r9:c1acdce4 r8:c15e879c r7:c6b55f60 r6:00000020 r5:c5dd7000 r4:c0000000 <4>[ 106.815746] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 106.826451] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 106.838454] r5:c5dd7000 r4:c6b54000 <4>[ 106.842304] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 106.852569] r4:00000038 <4>[ 106.855374] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 106.863652] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 106.871839] r9:c6b55f60 r8:c30e7f00 r7:00000020 r6:b6e2b000 r5:c5b3cdc0 r4:c0c34ae8 <4>[ 106.879858] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 106.887957] r9:c07e10e0 r8:c6b55f60 r7:c2816000 r6:b6e2b000 r5:c5b3cdc0 r4:00000000 <4>[ 106.895969] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 106.903375] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6b54000 r5:c5b3cdc0 <4>[ 106.911469] r4:c5b3cdc0 <4>[ 106.914273] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 106.921679] r9:c6b54000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000020 r4:00000020 <4>[ 106.929695] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 106.937530] Exception stack(0xc6b55fa8 to 0xc6b55ff0) <4>[ 106.942852] 5fa0: 00000020 00000020 00000001 b6e2b000 00000020 00000000 <4>[ 106.951298] 5fc0: 00000020 00000020 b6f72e00 00000004 00000001 00000000 00020000 bec2ca64 <4>[ 106.959742] 5fe0: 00000004 bec2c798 b6edd4cf b6e637e6 <4>[ 106.965111] irq event stamp: 0 <4>[ 106.968444] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 106.974323] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 106.982097] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 106.989918] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.995807] ---[ end trace c10b91bde76c15bb ]--- <6>[ 107.000703] lkdtm: Saturation detected: still saturated # [ 106.647826] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 106.656957] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 106.666908] ------------[ cut here ]------------ # [ 106.674534] WARNING: CPU: 2 PID: 3059 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 106.686095] refcount_t: saturated; leaking memory. # [ 106.693982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 106.725956] CPU: 2 PID: 3059 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 106.736780] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.745474] Backtrace: # [ 106.748210] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.756051] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 106.761984] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.769568] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 106.776800] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c # [ 106.784817] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 106.792569] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c6b54000 # [ 106.798499] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 106.807728] r9:c1acdce4 r8:c15e879c r7:c6b55f60 r6:00000020 r5:c5dd7000 r4:c0000000 # [ 106.815746] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 106.826451] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 106.838454] r5:c5dd7000 r4:c6b54000 # [ 106.842304] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.852569] r4:00000038 # [ 106.855374] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.863652] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.871839] r9:c6b55f60 r8:c30e7f00 r7:00000020 r6:b6e2b000 r5:c5b3cdc0 r4:c0c34ae8 # [ 106.879858] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.887957] r9:c07e10e0 r8:c6b55f60 r7:c2816000 r6:b6e2b000 r5:c5b3cdc0 r4:00000000 # [ 106.895969] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.903375] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6b54000 r5:c5b3cdc0 # [ 106.911469] r4:c5b3cdc0 # [ 106.914273] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.921679] r9:c6b54000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000020 r4:00000020 # [ 106.929695] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.937530] Exception stack(0xc6b55fa8 to 0xc6b55ff0) # [ 106.942852] 5fa0: 00000020 00000020 00000001 b6e2b000 00000020 00000000 # [ 106.951298] 5fc0: 00000020 00000020 b6f72e00 00000004 00000001 00000000 00020000 bec2ca64 # [ 106.959742] 5fe0: 00000004 bec2c798 b6edd4cf b6e637e6 # [ 106.965111] irq event stamp: 0 # [ 106.968444] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 106.974323] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 106.982097] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 106.989918] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.995807] ---[ end trace c10b91bde76c15bb ]--- # [ 107.000703] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 107.460359] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 107.467663] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 107.474730] ------------[ cut here ]------------ <4>[ 107.479641] WARNING: CPU: 2 PID: 3093 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 107.488402] refcount_t: saturated; leaking memory. <4>[ 107.493504] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 107.522995] CPU: 2 PID: 3093 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 107.531012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.537809] Backtrace: <4>[ 107.540551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.548396] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 107.554334] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.561923] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 107.569158] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c <4>[ 107.577183] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 107.584938] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c477e000 <4>[ 107.590876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 107.600108] r9:c1acdd04 r8:c15e879c r7:c477ff60 r6:00000020 r5:c44b5000 r4:c0000000 <4>[ 107.608129] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 107.618841] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 107.630845] r5:c44b5000 r4:c477e000 <4>[ 107.634699] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 107.644967] r4:00000039 <4>[ 107.647774] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 107.656058] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 107.664250] r9:c477ff60 r8:c30e7f00 r7:00000020 r6:b6e54000 r5:c2fb8000 r4:c0c34ae8 <4>[ 107.672273] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 107.680376] r9:c07e10e0 r8:c477ff60 r7:c2816000 r6:b6e54000 r5:c2fb8000 r4:00000000 <4>[ 107.688392] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 107.695801] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c477e000 r5:c2fb8000 <4>[ 107.703898] r4:c2fb8000 <4>[ 107.706706] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 107.714116] r9:c477e000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000020 r4:00000020 <4>[ 107.722136] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 107.729973] Exception stack(0xc477ffa8 to 0xc477fff0) <4>[ 107.735298] ffa0: 00000020 00000020 00000001 b6e54000 00000020 00000000 <4>[ 107.743748] ffc0: 00000020 00000020 b6f9be00 00000004 00000001 00000000 00020000 be8cda64 <4>[ 107.752194] ffe0: 00000004 be8cd798 b6f064cf b6e8c7e6 <4>[ 107.757580] irq event stamp: 0 <4>[ 107.760921] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 107.766811] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 107.774623] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 107.782404] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 107.788315] ---[ end trace c10b91bde76c15bc ]--- <6>[ 107.793263] lkdtm: Saturation detected: still saturated # [ 107.460359] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 107.467663] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 107.474730] ------------[ cut here ]------------ # [ 107.479641] WARNING: CPU: 2 PID: 3093 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 107.488402] refcount_t: saturated; leaking memory. # [ 107.493504] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 107.522995] CPU: 2 PID: 3093 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 107.531012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.537809] Backtrace: # [ 107.540551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.548396] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 107.554334] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.561923] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 107.569158] r9:00000009 r8:c0873634 r7:00000013 r6:00000009 r5:c0873634 r4:c1a21c1c # [ 107.577183] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 107.584938] r7:00000013 r6:c1a21c1c r5:c1a21bf4 r4:c477e000 # [ 107.590876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 107.600108] r9:c1acdd04 r8:c15e879c r7:c477ff60 r6:00000020 r5:c44b5000 r4:c0000000 # [ 107.608129] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 107.618841] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 107.630845] r5:c44b5000 r4:c477e000 # [ 107.634699] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.644967] r4:00000039 # [ 107.647774] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.656058] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.664250] r9:c477ff60 r8:c30e7f00 r7:00000020 r6:b6e54000 r5:c2fb8000 r4:c0c34ae8 # [ 107.672273] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.680376] r9:c07e10e0 r8:c477ff60 r7:c2816000 r6:b6e54000 r5:c2fb8000 r4:00000000 # [ 107.688392] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.695801] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c477e000 r5:c2fb8000 # [ 107.703898] r4:c2fb8000 # [ 107.706706] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.714116] r9:c477e000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000020 r4:00000020 # [ 107.722136] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.729973] Exception stack(0xc477ffa8 to 0xc477fff0) # [ 107.735298] ffa0: 00000020 00000020 00000001 b6e54000 00000020 00000000 # [ 107.743748] ffc0: 00000020 00000020 b6f9be00 00000004 00000001 00000000 00020000 be8cda64 # [ 107.752194] ffe0: 00000004 be8cd798 b6f064cf b6e8c7e6 # [ 107.757580] irq event stamp: 0 # [ 107.760921] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 107.766811] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 107.774623] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 107.782404] softirqs last disabled at (0): [<00000000>] 0x0 # [ 107.788315] ---[ end trace c10b91bde76c15bc ]--- # [ 107.793263] 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>[ 108.254381] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 108.261537] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 108.268648] ------------[ cut here ]------------ <4>[ 108.273668] WARNING: CPU: 0 PID: 3130 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 108.282471] refcount_t: underflow; use-after-free. <4>[ 108.287622] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 108.317363] CPU: 0 PID: 3130 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 108.325374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.332166] Backtrace: <4>[ 108.334900] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.342741] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 108.348675] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.356259] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 108.363490] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c <4>[ 108.371506] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 108.379255] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6e62000 <4>[ 108.385189] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 108.394504] r9:c1acdd24 r8:c15e879c r7:c6e63f60 r6:00000020 r5:c6dc6000 r4:c6e62000 <4>[ 108.402521] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 108.413231] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 108.425238] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 108.435503] r4:0000003a <4>[ 108.438307] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 108.446585] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 108.454772] r9:c6e63f60 r8:c30e7f00 r7:00000020 r6:b6dfa000 r5:c6b5ec80 r4:c0c34ae8 <4>[ 108.462789] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 108.470889] r9:c07e10e0 r8:c6e63f60 r7:c2816000 r6:b6dfa000 r5:c6b5ec80 r4:00000000 <4>[ 108.478903] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 108.486306] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c6e62000 r5:c6b5ec80 <4>[ 108.494400] r4:c6b5ec80 <4>[ 108.497203] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 108.504607] r9:c6e62000 r8:c03002e4 r7:00000004 r6:b6f41e00 r5:00000020 r4:00000020 <4>[ 108.512622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 108.520456] Exception stack(0xc6e63fa8 to 0xc6e63ff0) <4>[ 108.525778] 3fa0: 00000020 00000020 00000001 b6dfa000 00000020 00000000 <4>[ 108.534225] 3fc0: 00000020 00000020 b6f41e00 00000004 00000001 00000000 00020000 becada64 <4>[ 108.542670] 3fe0: 00000004 becad798 b6eac4cf b6e327e6 <4>[ 108.548012] irq event stamp: 0 <4>[ 108.551344] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 108.557213] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 108.565007] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 108.572762] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 108.578627] ---[ end trace c10b91bde76c15bd ]--- <6>[ 108.583538] lkdtm: Saturation detected: still saturated # [ 108.254381] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 108.261537] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 108.268648] ------------[ cut here ]------------ # [ 108.273668] WARNING: CPU: 0 PID: 3130 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 108.282471] refcount_t: underflow; use-after-free. # [ 108.287622] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.317363] CPU: 0 PID: 3130 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 108.325374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.332166] Backtrace: # [ 108.334900] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.342741] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 108.348675] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.356259] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 108.363490] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c # [ 108.371506] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.379255] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6e62000 # [ 108.385189] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 108.394504] r9:c1acdd24 r8:c15e879c r7:c6e63f60 r6:00000020 r5:c6dc6000 r4:c6e62000 # [ 108.402521] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 108.413231] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 108.425238] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.435503] r4:0000003a # [ 108.438307] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.446585] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.454772] r9:c6e63f60 r8:c30e7f00 r7:00000020 r6:b6dfa000 r5:c6b5ec80 r4:c0c34ae8 # [ 108.462789] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.470889] r9:c07e10e0 r8:c6e63f60 r7:c2816000 r6:b6dfa000 r5:c6b5ec80 r4:00000000 # [ 108.478903] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.486306] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c6e62000 r5:c6b5ec80 # [ 108.494400] r4:c6b5ec80 # [ 108.497203] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.504607] r9:c6e62000 r8:c03002e4 r7:00000004 r6:b6f41e00 r5:00000020 r4:00000020 # [ 108.512622] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.520456] Exception stack(0xc6e63fa8 to 0xc6e63ff0) # [ 108.525778] 3fa0: 00000020 00000020 00000001 b6dfa000 00000020 00000000 # [ 108.534225] 3fc0: 00000020 00000020 b6f41e00 00000004 00000001 00000000 00020000 becada64 # [ 108.542670] 3fe0: 00000004 becad798 b6eac4cf b6e327e6 # [ 108.548012] irq event stamp: 0 # [ 108.551344] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 108.557213] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 108.565007] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 108.572762] softirqs last disabled at (0): [<00000000>] 0x0 # [ 108.578627] ---[ end trace c10b91bde76c15bd ]--- # [ 108.583538] 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>[ 109.058678] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 109.065910] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 109.072934] ------------[ cut here ]------------ <4>[ 109.077886] WARNING: CPU: 3 PID: 3165 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 109.086756] refcount_t: underflow; use-after-free. <4>[ 109.091820] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 109.121245] CPU: 3 PID: 3165 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 109.129256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 109.136050] Backtrace: <4>[ 109.138784] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 109.146625] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 109.152558] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 109.160142] [] (dump_stack) from [] (__warn+0xfc/0x16c) <4>[ 109.167374] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c <4>[ 109.175389] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 109.183141] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6e7c000 <4>[ 109.189073] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 109.198388] r9:c1acdd44 r8:c15e879c r7:c6e7df60 r6:00000020 r5:c5c58000 r4:c6e7c000 <4>[ 109.206406] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 109.217115] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 109.229124] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 109.239388] r4:0000003b <4>[ 109.242192] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 109.250471] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 109.258658] r9:c6e7df60 r8:c30e7f00 r7:00000020 r6:b6e01000 r5:c6a29680 r4:c0c34ae8 <4>[ 109.266676] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 109.274775] r9:c07e10e0 r8:c6e7df60 r7:c2816000 r6:b6e01000 r5:c6a29680 r4:00000000 <4>[ 109.282787] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 109.290191] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c6e7c000 r5:c6a29680 <4>[ 109.298284] r4:c6a29680 <4>[ 109.301089] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 109.308494] r9:c6e7c000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:00000020 r4:00000020 <4>[ 109.316510] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 109.324345] Exception stack(0xc6e7dfa8 to 0xc6e7dff0) <4>[ 109.329667] dfa0: 00000020 00000020 00000001 b6e01000 00000020 00000000 <4>[ 109.338114] dfc0: 00000020 00000020 b6f48e00 00000004 00000001 00000000 00020000 beb20a64 <4>[ 109.346558] dfe0: 00000004 beb20798 b6eb34cf b6e397e6 <4>[ 109.351936] irq event stamp: 0 <4>[ 109.355297] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 109.361157] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 109.369000] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 109.376817] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 109.382668] ---[ end trace c10b91bde76c15be ]--- <6>[ 109.387600] lkdtm: Saturation detected: still saturated # [ 109.058678] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 109.065910] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 109.072934] ------------[ cut here ]------------ # [ 109.077886] WARNING: CPU: 3 PID: 3165 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 109.086756] refcount_t: underflow; use-after-free. # [ 109.091820] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx imx_ldb dw_hdmi can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 109.121245] CPU: 3 PID: 3165 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 109.129256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.136050] Backtrace: # [ 109.138784] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 109.146625] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 109.152558] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 109.160142] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 109.167374] r9:00000009 r8:c08736d0 r7:0000001c r6:00000009 r5:c08736d0 r4:c1a21c1c # [ 109.175389] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 109.183141] r7:0000001c r6:c1a21c1c r5:c1a21c58 r4:c6e7c000 # [ 109.189073] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 109.198388] r9:c1acdd44 r8:c15e879c r7:c6e7df60 r6:00000020 r5:c5c58000 r4:c6e7c000 # [ 109.206406] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 109.217115] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 109.229124] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.239388] r4:0000003b # [ 109.242192] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.250471] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.258658] r9:c6e7df60 r8:c30e7f00 r7:00000020 r6:b6e01000 r5:c6a29680 r4:c0c34ae8 # [ 109.266676] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.274775] r9:c07e10e0 r8:c6e7df60 r7:c2816000 r6:b6e01000 r5:c6a29680 r4:00000000 # [ 109.282787] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.290191] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c6e7c000 r5:c6a29680 # [ 109.298284] r4:c6a29680 # [ 109.301089] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.308494] r9:c6e7c000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:00000020 r4:00000020 # [ 109.316510] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.324345] Exception stack(0xc6e7dfa8 to 0xc6e7dff0) # [ 109.329667] dfa0: 00000020 00000020 00000001 b6e01000 00000020 00000000 # [ 109.338114] dfc0: 00000020 00000020 b6f48e00 00000004 00000001 00000000 00020000 beb20a64 # [ 109.346558] dfe0: 00000004 beb20798 b6eb34cf b6e397e6 # [ 109.351936] irq event stamp: 0 # [ 109.355297] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 109.361157] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 109.369000] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 109.376817] softirqs last disabled at (0): [<00000000>] 0x0 # [ 109.382668] ---[ end trace c10b91bde76c15be ]--- # [ 109.387600] 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>[ 110.239260] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 110.245651] lkdtm: attempting good copy_to_user of correct size <6>[ 110.251887] lkdtm: attempting bad copy_to_user of too large size # [ 110.239260] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 110.245651] lkdtm: attempting good copy_to_user of correct size # [ 110.251887] 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>[ 110.689412] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 110.696032] lkdtm: attempting good copy_from_user of correct size <6>[ 110.702458] lkdtm: attempting bad copy_from_user of too large size # [ 110.689412] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 110.696032] lkdtm: attempting good copy_from_user of correct size # [ 110.702458] 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>[ 111.142963] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 111.149716] lkdtm: attempting good copy_to_user inside whitelist <6>[ 111.156122] lkdtm: attempting bad copy_to_user outside whitelist # [ 111.142963] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 111.149716] lkdtm: attempting good copy_to_user inside whitelist # [ 111.156122] 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>[ 111.599629] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 111.606721] lkdtm: attempting good copy_from_user inside whitelist <6>[ 111.613288] lkdtm: attempting bad copy_from_user outside whitelist # [ 111.599629] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 111.606721] lkdtm: attempting good copy_from_user inside whitelist # [ 111.613288] 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>[ 112.045651] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 112.052122] lkdtm: good_stack: c6ca1e0c-c6ca1e2c <6>[ 112.057080] lkdtm: bad_stack : c6ca1d84-c6ca1da4 <6>[ 112.061990] lkdtm: attempting good copy_to_user of local stack <6>[ 112.068310] lkdtm: attempting bad copy_to_user of distant stack # [ 112.045651] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 112.052122] lkdtm: good_stack: c6ca1e0c-c6ca1e2c # [ 112.057080] lkdtm: bad_stack : c6ca1d84-c6ca1da4 # [ 112.061990] lkdtm: attempting good copy_to_user of local stack # [ 112.068310] 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>[ 112.508607] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 112.515373] lkdtm: good_stack: c472de0c-c472de2c <6>[ 112.520294] lkdtm: bad_stack : c472dd84-c472dda4 <6>[ 112.525239] lkdtm: attempting good copy_from_user of local stack <6>[ 112.533875] lkdtm: attempting bad copy_from_user of distant stack # [ 112.508607] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 112.515373] lkdtm: good_stack: c472de0c-c472de2c # [ 112.520294] lkdtm: bad_stack : c472dd84-c472dda4 # [ 112.525239] lkdtm: attempting good copy_from_user of local stack # [ 112.533875] 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>[ 112.976803] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 112.983160] lkdtm: good_stack: c686be0c-c686be2c <6>[ 112.988056] lkdtm: bad_stack : c686bffc-c686c01c <6>[ 112.993024] lkdtm: attempting good copy_to_user of local stack <6>[ 112.999204] lkdtm: attempting bad copy_to_user of distant stack # [ 112.976803] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 112.983160] lkdtm: good_stack: c686be0c-c686be2c # [ 112.988056] lkdtm: bad_stack : c686bffc-c686c01c # [ 112.993024] lkdtm: attempting good copy_to_user of local stack # [ 112.999204] 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>[ 113.439387] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 113.445313] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a48 <6>[ 113.452708] lkdtm: attempting bad copy_to_user from kernel text: c053a890 <3>[ 113.459824] lkdtm: FAIL: survived bad copy_to_user() # [ 113.439387] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 113.445313] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a48 # [ 113.452708] lkdtm: attempting bad copy_to_user from kernel text: c053a890 # [ 113.459824] 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>[ 113.926034] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 113.931982] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 113.939321] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 113.946573] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 113.952929] CPU: 3 PID: 3530 Comm: cat Tainted: G D W 5.10.165-cip24 #1 <4>[ 113.960941] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 113.967736] Backtrace: <4>[ 113.970473] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 113.978314] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 <4>[ 113.984248] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 113.991833] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 114.000627] r9:c1acde4c r8:c15e879c r7:c5a09f60 r6:c5a09e34 r5:c5a08000 r4:0000078d <4>[ 114.008643] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 114.017697] r8:c15e879c r7:c5a09f60 r6:00000012 r5:c5c58000 r4:00000046 <4>[ 114.024668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 114.032946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 114.041132] r9:c5a09f60 r8:c30e7f00 r7:00000012 r6:b6e48000 r5:c5b1c140 r4:c0c34ae8 <4>[ 114.049149] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 114.057249] r9:c07e10e0 r8:c5a09f60 r7:c2816000 r6:b6e48000 r5:c5b1c140 r4:00000000 <4>[ 114.065261] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 114.072668] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c5a08000 r5:c5b1c140 <4>[ 114.080761] r4:c5b1c140 <4>[ 114.083565] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 114.090971] r9:c5a08000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000012 r4:00000012 <4>[ 114.098987] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 114.106822] Exception stack(0xc5a09fa8 to 0xc5a09ff0) <4>[ 114.112146] 9fa0: 00000012 00000012 00000001 b6e48000 00000012 00000000 <4>[ 114.120593] 9fc0: 00000012 00000012 b6f8fe00 00000004 00000001 00000000 00020000 be9a9a64 <4>[ 114.129038] 9fe0: 00000004 be9a9798 b6efa4cf b6e807e6 # [ 113.926034] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 113.931982] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 113.939321] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 113.946573] lkdtm: FAIL: the thread stack is NOT properly erased # [ 113.952929] CPU: 3 PID: 3530 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 113.960941] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.967736] Backtrace: # [ 113.970473] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 113.978314] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fb38 # [ 113.984248] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 113.991833] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 114.000627] r9:c1acde4c r8:c15e879c r7:c5a09f60 r6:c5a09e34 r5:c5a08000 r4:0000078d # [ 114.008643] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.017697] r8:c15e879c r7:c5a09f60 r6:00000012 r5:c5c58000 r4:00000046 # [ 114.024668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.032946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.041132] r9:c5a09f60 r8:c30e7f00 r7:00000012 r6:b6e48000 r5:c5b1c140 r4:c0c34ae8 # [ 114.049149] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.057249] r9:c07e10e0 r8:c5a09f60 r7:c2816000 r6:b6e48000 r5:c5b1c140 r4:00000000 # [ 114.065261] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.072668] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c5a08000 r5:c5b1c140 # [ 114.080761] r4:c5b1c140 # [ 114.083565] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.090971] r9:c5a08000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000012 r4:00000012 # [ 114.098987] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.106822] Exception stack(0xc5a09fa8 to 0xc5a09ff0) # [ 114.112146] 9fa0: 00000012 00000012 00000001 b6e48000 00000012 00000000 # [ 114.120593] 9fc0: 00000012 00000012 b6f8fe00 00000004 00000001 00000000 00020000 be9a9a64 # [ 114.129038] 9fe0: 00000004 be9a9798 b6efa4cf b6e807e6 # 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>[ 114.587042] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 114.593053] lkdtm: Calling matched prototype ... <6>[ 114.597948] lkdtm: Calling mismatched prototype ... <6>[ 114.603142] lkdtm: Fail: survived mismatched prototype function call! # [ 114.587042] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 114.593053] lkdtm: Calling matched prototype ... # [ 114.597948] lkdtm: Calling mismatched prototype ... # [ 114.603142] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #