[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 =>setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.101.101 (2 ms) => setenv serverip 192.168.101.1 setenv serverip 192.168.101.1 => tftp 0x10000000 9334776/tftp-deploy-ew5pbo2m/kernel/zImage tftp 0x10000000 9334776/tftp-deploy-ew5pbo2m/kernel/zImage Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.101 Filename '9334776/tftp-deploy-ew5pbo2m/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 2.4 MiB/s done Bytes transferred = 12345856 (bc6200 hex) => tftp 0x14000000 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.101 Filename '9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 2.3 MiB/s done Bytes transferred = 15452539 (ebc97b hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.101 Filename '9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.5 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc6200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15452475 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 5.10.170-cip27 (KernelCI@build-j1107502-arm-gcc-10-multi-v7-defconfig-kselftest-pvq6c) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Feb 25 18:26:27 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=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,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: 921432K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6691K bss, 61608K 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 55428 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 15ns <6>[ 0.000009] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns <6>[ 0.008096] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns <6>[ 0.022388] Console: colour dummy device 80x30 <4>[ 0.024294] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032303] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.036647] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041058] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.045695] ... CLASSHASH_SIZE: 4096 <4>[ 0.050279] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.054978] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.059701] ... CHAINHASH_SIZE: 32768 <4>[ 0.064374] memory used by lock dependency info: 4061 kB <4>[ 0.070055] memory used for stack traces: 2112 kB <4>[ 0.075076] per task-struct memory footprint: 1536 bytes <6>[ 0.080812] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) <6>[ 0.091466] pid_max: default: 32768 minimum: 301 <6>[ 0.096694] LSM: Security Framework initializing <6>[ 0.101258] LSM support for eBPF active <6>[ 0.105379] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.112891] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123459] CPU: Testing write buffer coherency: ok <6>[ 0.126015] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132258] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141167] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147667] rcu: Hierarchical SRCU implementation. <6>[ 0.159562] EFI services will not be available. <6>[ 0.162810] smp: Bringing up secondary CPUs ... <6>[ 0.169649] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169665] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.182099] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.182114] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.194200] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.194215] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.203436] smp: Brought up 1 node, 4 CPUs <6>[ 0.207086] SMP: Total of 4 processors activated (528.00 BogoMIPS). <6>[ 0.213489] CPU: All CPU(s) started in SVC mode. <6>[ 0.221129] devtmpfs: initialized <6>[ 0.278537] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.286409] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.293836] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.305944] pinctrl core: initialized pinctrl subsystem <6>[ 0.315662] DMI not present or invalid. <6>[ 0.319241] NET: Registered protocol family 16 <6>[ 0.333427] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.347530] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.348087] cpuidle: using governor menu <6>[ 0.356266] CPU identified as i.MX6Q, silicon rev 1.0 <6>[ 1.114381] vdd1p1: supplied by regulator-dummy <6>[ 1.148842] vdd3p0: supplied by regulator-dummy <6>[ 1.182491] vdd2p5: supplied by regulator-dummy <6>[ 1.216208] vddarm: supplied by regulator-dummy <6>[ 1.250873] vddpu: supplied by regulator-dummy <6>[ 1.283440] vddsoc: supplied by regulator-dummy <6>[ 2.630286] No ATAGs? <6>[ 2.631210] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.638344] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.664440] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.699419] Serial: AMBA PL011 UART driver <6>[ 2.765832] Kprobes globally optimized <6>[ 2.888969] iommu: Default domain type: Translated <6>[ 2.893750] vgaarb: loaded <5>[ 2.899196] SCSI subsystem initialized <6>[ 2.903000] usbcore: registered new interface driver usbfs <6>[ 2.906485] usbcore: registered new interface driver hub <6>[ 2.911889] usbcore: registered new device driver usb <6>[ 2.924867] i2c i2c-0: IMX I2C adapter registered <6>[ 2.934277] i2c i2c-1: IMX I2C adapter registered <6>[ 2.941047] i2c i2c-2: IMX I2C adapter registered <6>[ 2.947946] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.950353] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.959874] PTP clock support registered <6>[ 2.981186] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.688153] NET: Registered protocol family 2 <6>[ 4.690724] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.701023] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.707142] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.715178] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.724048] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.730032] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.737062] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.743843] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.751644] NET: Registered protocol family 1 <6>[ 4.758228] RPC: Registered named UNIX socket transport module. <6>[ 4.761796] RPC: Registered udp transport module. <6>[ 4.766594] RPC: Registered tcp transport module. <6>[ 4.771641] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.778277] NET: Registered protocol family 44 <6>[ 4.783048] PCI: CLS 0 bytes, default 64 <6>[ 4.789670] Trying to unpack rootfs image as initramfs... <6>[ 6.720298] Freeing initrd memory: 15092K <4>[ 6.722813] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.730380] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.746978] Initialise system trusted keyrings <6>[ 6.750109] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.807478] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.814604] NFS: Registering the id_resolver key type <5>[ 6.817255] Key type id_resolver registered <5>[ 6.821633] Key type id_legacy registered <6>[ 6.826417] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.832896] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.840594] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.847282] Key type asymmetric registered <5>[ 6.849461] Asymmetric key parser 'x509' registered <6>[ 6.854956] bounce: pool size: 64 pages <6>[ 6.858734] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.866383] io scheduler mq-deadline registered <6>[ 6.871045] io scheduler kyber registered <4>[ 6.876330] test_firmware: interface ready <6>[ 7.068406] mxs-dma 110000.dma-apbh: initialized <4>[ 7.138510] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 7.145734] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 7.404285] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 7.429392] SuperH (H)SCI(F) driver initialized <6>[ 7.434520] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 7.445942] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 7.452485] printk: console [ttymxc1] enabled <6>[ 7.452485] printk: console [ttymxc1] enabled <6>[ 7.461299] printk: bootconsole [ec_imx21] disabled <6>[ 7.461299] printk: bootconsole [ec_imx21] disabled <6>[ 7.478134] msm_serial: driver initialized <6>[ 7.483752] STMicroelectronics ASC driver initialized <6>[ 7.495949] STM32 USART driver initialized <6>[ 7.524805] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.548200] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.556968] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.565162] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.621059] brd: module loaded <6>[ 7.684540] loop: module loaded <6>[ 7.691408] lkdtm: No crash points registered, enable through debugfs <6>[ 7.714834] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.723142] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.731521] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.740002] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.748335] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.756992] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.765089] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.776803] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.784191] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.793351] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.808144] scsi host0: ahci-imx <6>[ 7.814124] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.882792] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.896874] pps pps0: new PPS source ptp0 <6>[ 7.943816] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.954993] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.960263] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.966807] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.972586] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 8.002093] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 8.009955] usbcore: registered new interface driver pegasus <6>[ 8.016193] usbcore: registered new interface driver asix <6>[ 8.022096] usbcore: registered new interface driver ax88179_178a <6>[ 8.028632] usbcore: registered new interface driver cdc_ether <6>[ 8.035034] usbcore: registered new interface driver smsc75xx <6>[ 8.041371] usbcore: registered new interface driver smsc95xx <6>[ 8.047566] usbcore: registered new interface driver net1080 <6>[ 8.053752] usbcore: registered new interface driver cdc_subset <6>[ 8.060112] usbcore: registered new interface driver zaurus <6>[ 8.066288] usbcore: registered new interface driver cdc_ncm <6>[ 8.086030] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 8.092998] ehci-pci: EHCI PCI platform driver <6>[ 8.097903] ehci-platform: EHCI generic platform driver <6>[ 8.104553] ehci-orion: EHCI orion driver <6>[ 8.109853] SPEAr-ehci: EHCI SPEAr driver <6>[ 8.115145] ehci-st: EHCI STMicroelectronics driver <6>[ 8.121294] ehci-exynos: EHCI Exynos driver <6>[ 8.126686] ehci-atmel: EHCI Atmel driver <6>[ 8.131955] tegra-ehci: Tegra EHCI driver <6>[ 8.137216] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 8.143820] ohci-pci: OHCI PCI platform driver <6>[ 8.148725] ohci-platform: OHCI generic platform driver <6>[ 8.154215] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 8.154561] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 8.161015] SPEAr-ohci: OHCI SPEAr driver <6>[ 8.166691] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 8.171926] ohci-st: OHCI STMicroelectronics driver <6>[ 8.184538] ohci-atmel: OHCI Atmel driver <6>[ 8.192672] usbcore: registered new interface driver usb-storage <6>[ 8.233821] i2c /dev entries driver <6>[ 8.326111] sdhci: Secure Digital Host Controller Interface driver <6>[ 8.332652] sdhci: Copyright(c) Pierre Ossman <6>[ 8.347585] Synopsys Designware Multimedia Card Interface Driver <6>[ 8.361887] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 8.371871] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 8.371894] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 8.382696] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 8.390009] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 8.400446] usbcore: registered new interface driver usbhid <6>[ 8.406420] usbhid: USB HID core driver <6>[ 8.411165] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 8.424131] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 8.442238] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 8.450497] IPv4 over IPsec tunneling driver <6>[ 8.460396] NET: Registered protocol family 10 <6>[ 8.471068] Segment Routing with IPv6 <6>[ 8.472112] mmc2: new high speed SDHC card at address 0001 <6>[ 8.481912] NET: Registered protocol family 17 <6>[ 8.485228] mmcblk2: mmc2:0001 SD 14.8 GiB <5>[ 8.488532] Key type dns_resolver registered <6>[ 8.509682] ThumbEE CPU extension supported. <4>[ 8.514071] GPT:Primary header thinks Alt. header is not at the end of the disk. <5>[ 8.514344] Registering SWP/SWPB emulation handler <4>[ 8.522075] GPT:29296874 != 30965759 <5>[ 8.528669] Loading compiled-in X.509 certificates <4>[ 8.530988] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.542594] GPT:29296874 != 30965759 <4>[ 8.546483] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.552084] mmcblk2: p1 p2 p3 <4>[ 8.766444] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.775370] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.791726] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.836868] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.851486] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.857067] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.892883] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.915720] hub 1-0:1.0: USB hub found <6>[ 8.920926] hub 1-0:1.0: 1 port detected <3>[ 8.939183] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data <3>[ 8.946891] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem <4>[ 8.955623] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 <4>[ 8.990600] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.999476] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.015733] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 9.055137] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.063967] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.080136] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.102569] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 9.140796] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.149593] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.165988] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.190931] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) <6>[ 9.351706] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 9.560600] hub 1-1:1.0: USB hub found <6>[ 9.565709] hub 1-1:1.0: 3 ports detected <4>[ 9.604945] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.613741] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.630036] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.283022] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx <6>[ 11.301367] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.332392] Sending DHCP requests ., OK <6>[ 11.375913] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.101 <6>[ 11.384599] IP-Config: Complete: <6>[ 11.388177] device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.101.101, mask=255.255.255.0, gw=192.168.101.1 <6>[ 11.399203] host=imx6q-sabrelite-cbg-2, domain=lava.cbg.collabora.co.uk, nis-domain=(none) <6>[ 11.408366] bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath= <6>[ 11.408413] nameserver0=192.168.101.1 <6>[ 11.491567] Freeing unused kernel memory: 2048K <6>[ 11.502302] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 16.627224] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 16.672556] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.684058] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.698534] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 16.700158] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.764019] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.773009] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.777900] CAN device driver interface <4>[ 16.791221] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.840626] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <4>[ 16.860677] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 16.866977] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <4>[ 16.869670] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.894851] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.902216] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <4>[ 16.905211] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.949158] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 16.957844] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 16.964357] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 16.976088] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <6>[ 16.991876] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.999793] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 17.000992] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.011680] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.017537] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.032423] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.047045] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.057883] caam 2100000.crypto: Entropy delay = 3200 <6>[ 17.124241] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 17.185006] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 17.190492] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 17.197510] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 17.247987] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 17.248392] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 17.256996] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.270302] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 17.307264] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.343975] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 17.363114] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 17.372545] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 17.381521] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 17.399990] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.409175] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.418118] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.426967] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.458156] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.467231] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.485841] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.441653] caam algorithms registered in /proc/crypto <6>[ 18.453484] caam 2100000.crypto: registering rng-caam <5>[ 18.582576] random: crng init done <6>[ 18.609371] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.618263] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.627139] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.635937] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.653756] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.664079] panel-simple panel-lcd: Specify missing connector_type <4>[ 18.683114] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 18.731082] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.739959] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.749021] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers <6>[ 18.757957] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.101.1): address: 192.168.101.101 broadcast: 192.168.101.255 netmask: 255.255.255.0 gateway: 192.168.101.1 dns0 : 192.168.101.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-cbg-2 domain : lava.cbg.collabora.co.uk rootserver: 192.168.101.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 21.950868] systemd[1]: System time before build time, advancing clock. <30>[ 22.193305] 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>[ 22.226945] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 22.298330] systemd[1]: Set hostname to . <30>[ 24.177301] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 24.194046] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 24.246818] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 24.296872] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 24.346124] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 24.395887] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 24.445183] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 24.492962] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 24.507269] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 24.553266] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 24.592359] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 24.632263] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 24.673462] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 24.713747] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 24.814323] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 24.833755] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 24.898651] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 24.949905] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 25.003503] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 25.056998] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 25.105774] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 25.117298] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 25.139222] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 25.198198] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 25.246903] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 25.305316] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 25.355170] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 25.404589] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 25.432302] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 25.472905] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 25.511339] fuse: init (API version 7.32) <30>[ 25.537990] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 25.593954] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 25.653670] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 25.725245] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 25.776011] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 25.833076] 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>[ 25.932135] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 25.943779] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 25.998785] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 26.010373] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 26.058854] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 26.070978] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 26.118589] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 26.168577] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 26.226493] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 26.283105] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 26.353176] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 26.363626] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 26.385217] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 26.444802] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 26.498081] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 26.551547] 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>[ 27.028199] systemd-journald[273]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [* ] A start job is running for User Login Management (14s / 1min 40s) M [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.170-cip27 #1 SMP Sat Feb 25 18:26:27 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/9334776/extract-nfsrootfs-s2epve10' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10' / # export NFS_SERVER_IP='192.168.101.1' export NFS_SERVER_IP='192.168.101.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-9334776/environment . /lava-9334776/environment / # /lava-9334776/bin/lava-test-runner /lava-9334776/0 /lava-9334776/bin/lava-test-runner /lava-9334776/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9334776/0/tests/0_timesync-off ++ cat uuid + UUID=9334776_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-9334776/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9334776_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/v5.10.168-cip27-86-g19cf8cd2dd993/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-9334776/0/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 --2023-02-25 18:44:18-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/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: 1408208 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 47.81K 167KB/s kselftest.tar.xz 15%[==> ] 219.84K 382KB/s kselftest.tar.xz 24%[===> ] 341.45K 385KB/s kselftest.tar.xz 73%[=============> ] 1015K 854KB/s kselftest.tar.xz 100%[===================>] 1.34M 1.01MB/s in 1.3s 2023-02-25 18:44:20 (1.01 MB/s) - 'kselftest.tar.xz' saved [1408208/1408208] 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>[ 67.066561] 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>[ 67.969425] lkdtm: Performing direct entry BUG <4>[ 67.975063] ------------[ cut here ]------------ <2>[ 67.979976] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 67.985481] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 67.990890] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 68.020228] CPU: 2 PID: 710 Comm: cat Not tainted 5.10.170-cip27 #1 <4>[ 68.026764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 68.033571] PC is at lkdtm_BUG+0x14/0x18 <4>[ 68.037766] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 68.042482] pc : [] lr : [] psr: a00e0013 <4>[ 68.049018] sp : c5c2fe58 ip : c5c2fe68 fp : c5c2fe64 <4>[ 68.054511] r10: 00000004 r9 : c1acc6dc r8 : c15e88e4 <4>[ 68.060005] r7 : c5c2ff60 r6 : 00000004 r5 : c685e000 r4 : 00000001 <4>[ 68.066799] r3 : c0c3588c r2 : cac2ed53 r1 : ef7ab5e0 r0 : c15e88ec <4>[ 68.073598] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 68.081003] Control: 10c5387d Table: 16b3804a DAC: 00000051 <0>[ 68.087020] Process cat (pid: 710, stack limit = 0xd76da7b3) <0>[ 68.092949] Stack: (0xc5c2fe58 to 0xc5c30000) <0>[ 68.097578] fe40: c5c2fe74 c5c2fe68 <0>[ 68.106031] fe60: c0c35320 c0c35898 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c47eca00 <0>[ 68.114481] fe80: b6e20000 00000004 c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c <0>[ 68.122931] fea0: 00000000 c47eca00 b6e20000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8 <0>[ 68.131381] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000 <0>[ 68.139833] fee0: b6e20000 00020000 00000004 00000004 0001fffc c5c2fee0 00000001 b6e1f000 <0>[ 68.148282] ff00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 68.156732] ff20: 00000000 00000000 c1371d70 cac2ed53 c205c880 c47eca00 c47eca00 c5c2e000 <0>[ 68.165182] ff40: b6e20000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c <0>[ 68.173633] ff60: 00000000 00000000 c5c2ffac cac2ed53 00000004 00000004 b6f67e00 00000004 <0>[ 68.182083] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8 <0>[ 68.190533] ffa0: c03000c0 c0599ca4 00000004 00000004 00000001 b6e20000 00000004 00000000 <0>[ 68.198982] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64 <0>[ 68.207433] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 800e0030 00000001 00000000 00000000 <0>[ 68.215875] Backtrace: <0>[ 68.218606] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 68.226451] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 68.234735] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 68.242927] r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700 <0>[ 68.250950] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 68.259052] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000 <0>[ 68.267069] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 68.274478] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00 <0>[ 68.282575] r4:c47eca00 <0>[ 68.285385] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 68.292793] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 <0>[ 68.300814] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 68.308654] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) <0>[ 68.313977] ffa0: 00000004 00000004 00000001 b6e20000 00000004 00000000 <0>[ 68.322428] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64 <0>[ 68.330875] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 <0>[ 68.336200] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 68.342569] ---[ end trace 6556776c6b5d505d ]--- <3>[ 68.347459] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 68.356600] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat <4>[ 68.364524] INFO: lockdep is turned off. <4>[ 68.368715] irq event stamp: 1570 <4>[ 68.372312] hardirqs last enabled at (1569): [] console_unlock+0x4b0/0x6c0 <4>[ 68.380415] hardirqs last disabled at (1570): [] __und_svc+0x60/0x6c <4>[ 68.387911] softirqs last enabled at (1566): [] __do_softirq+0x378/0x5fc <4>[ 68.395840] softirqs last disabled at (1553): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 68.403942] CPU: 2 PID: 710 Comm: cat Tainted: G D 5.10.170-cip27 #1 <4>[ 68.411866] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 68.418659] Backtrace: <4>[ 68.421394] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 68.429236] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978 <4>[ 68.435174] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 68.442766] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) <4>[ 68.450782] r9:600e0093 r8:0000000b r7:c035bd38 r6:00000031 r5:c19c8c4c r4:c5c2e000 <4>[ 68.458800] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 68.466899] r6:00000000 r5:00000031 r4:c19c8c4c <4>[ 68.471797] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) <4>[ 68.479810] r6:00000001 r5:c5c2e000 r4:c5980000 <4>[ 68.484710] [] (exit_signals) from [] (do_exit+0x100/0xb38) <4>[ 68.492290] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c5980000 <4>[ 68.499268] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 68.506844] r7:c1e0f84c <4>[ 68.509654] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 68.517062] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 68.524383] r10:00000004 r9:c5c2e000 r8:c15e88e4 r7:00000000 r6:c5c2fdc8 r5:c0c358a0 <4>[ 68.532480] r4:e7f001f2 <4>[ 68.535287] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 68.543470] Exception stack(0xc5c2fdc8 to 0xc5c2fe10) <4>[ 68.548794] fdc0: c15e88ec ef7ab5e0 cac2ed53 c0c3588c 00000001 c685e000 <4>[ 68.557244] fde0: 00000004 c5c2ff60 c15e88e4 c1acc6dc 00000004 c5c2fe64 c5c2fe68 c5c2fe58 <4>[ 68.565690] fe00: c0c35320 c0c358a0 a00e0013 ffffffff <4>[ 68.571013] r7:c5c2fdfc r6:ffffffff r5:a00e0013 r4:c0c358a4 <4>[ 68.576948] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 68.584790] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 68.593070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 68.601260] r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700 <4>[ 68.609279] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 68.617382] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000 <4>[ 68.625399] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 68.632806] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00 <4>[ 68.640902] r4:c47eca00 <4>[ 68.643710] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 68.651117] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 <4>[ 68.659133] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 68.666969] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) <4>[ 68.672292] ffa0: 00000004 00000004 00000001 b6e20000 00000004 00000000 <4>[ 68.680741] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64 <4>[ 68.689187] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 # Segmentation fault # [ 67.969425] lkdtm: Performing direct entry BUG # [ 67.975063] ------------[ cut here ]------------ # [ 67.979976] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 67.985481] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 67.990890] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 68.020228] CPU: 2 PID: 710 Comm: cat Not tainted 5.10.170-cip27 #1 # [ 68.026764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.033571] PC is at lkdtm_BUG+0x14/0x18 # [ 68.037766] LR is at lkdtm_do_action+0x2c/0x4c # [ 68.042482] pc : [] lr : [] psr: a00e0013 # [ 68.049018] sp : c5c2fe58 ip : c5c2fe68 fp : c5c2fe64 # [ 68.054511] r10: 00000004 r9 : c1acc6dc r8 : c15e88e4 # [ 68.060005] r7 : c5c2ff60 r6 : 00000004 r5 : c685e000 r4 : 00000001 # [ 68.066799] r3 : c0c3588c r2 : cac2ed53 r1 : ef7ab5e0 r0 : c15e88ec # [ 68.073598] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 68.081003] Control: 10c5387d Table: 16b3804a DAC: 00000051 # [ 68.087020] Process cat (pid: 710, stack limit = 0xd76da7b3) # [ 68.092949] Stack: (0xc5c2fe58 to 0xc5c30000) # [ 68.097578] fe40: c5c2fe74 c5c2fe68 # [ 68.106031] fe60: c0c35320 c0c35898 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c47eca00 # [ 68.114481] fe80: b6e20000 00000004 c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c # [ 68.122931] fea0: 00000000 c47eca00 b6e20000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8 # [ 68.131381] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000 # [ 68.139833] fee0: b6e20000 00020000 00000004 00000004 0001fffc c5c2fee0 00000001 b6e1f000 # [ 68.148282] ff00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 68.156732] ff20: 00000000 00000000 c1371d70 cac2ed53 c205c880 c47eca00 c47eca00 c5c2e000 # [ 68.165182] ff40: b6e20000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c # [ 68.173633] ff60: 00000000 00000000 c5c2ffac cac2ed53 00000004 00000004 b6f67e00 00000004 # [ 68.182083] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8 # [ 68.190533] ffa0: c03000c0 c0599ca4 00000004 00000004 00000001 b6e20000 00000004 00000000 # [ 68.198982] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64 # [ 68.207433] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 800e0030 00000001 00000000 00000000 # [ 68.215875] Backtrace: # [ 68.218606] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.226451] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.234735] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.242927] r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700 # [ 68.250950] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 68.259052] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000 # [ 68.267069] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.274478] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00 # [ 68.282575] r4:c47eca00 # [ 68.285385] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 68.292793] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 # [ 68.300814] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 68.308654] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) # [ 68.313977] ffa0: 00000004 00000004 00000001 b6e20000 00000004 00000000 # [ 68.322428] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64 # [ 68.330875] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 # [ 68.336200] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 68.342569] ---[ end trace 6556776c6b5d505d ]--- # [ 68.347459] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.356600] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat # [ 68.364524] INFO: lockdep is turned off. # [ 68.368715] irq event stamp: 1570 # [ 68.372312] hardirqs last enabled at (1569): [] console_unlock+0x4b0/0x6c0 # [ 68.380415] hardirqs last disabled at (1570): [] __und_svc+0x60/0x6c # [ 68.387911] softirqs last enabled at (1566): [] __do_softirq+0x378/0x5fc # [ 68.395840] softirqs last disabled at (1553): [] __irq_exit_rcu+0x178/0x1d0 # [ 68.403942] CPU: 2 PID: 710 Comm: cat Tainted: G D 5.10.170-cip27 #1 # [ 68.411866] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.418659] Backtrace: # [ 68.421394] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 68.429236] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978 # [ 68.435174] [[ 69.228270] lkdtm: Performing direct entry WARNING >] (show_stack) from []<4>[ 69.234006] ------------[ cut here ]------------ (dump_stack+0xe0/0x100) # [ 6<4>[ 69.241653] WARNING: CPU: 3 PID: 781 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 8.442766] [] (dump_stac<4>[ 69.253176] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 k) from [] (___might_sl<4>[ 69.285130] CPU: 3 PID: 781 Comm: cat Tainted: G D W 5.10.170-cip27 #1 eep+0x1ac/0x2bc) # [ 68.450782<4>[ 69.295847] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] r9:600e0093 r8:0000000b r7:c03<4>[ 69.305497] Backtrace: 5bd38 r6:00000031 r5:c19c8c4c r4:<4>[ 69.311087] [] (dump_backtrace) from [] (show_stack+0x20/0x24) c5c2e000 # [ 68.458800] [[ 69.321764] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 e468>] (___might_sleep) from [[ 69.330552] [] (show_stack) from [] (dump_stack+0xe0/0x100) 38e794>] (__might_sleep+0x70/0xb0<4>[ 69.340986] [] (dump_stack) from [] (__warn+0x98/0x14c) ) # [ 68.466899] r6:00000000 <4>[ 69.351063] r9:00000009 r8:c0c358ec r7:00000053 r6:00000009 r5:c0c358ec r4:c1accd98 r5:00000031 r4:c19c8c4c # [ 68<4>[ 69.361930] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) .471797] [] (__might_sl<4>[ 69.372530] r7:00000053 r6:c1accd98 r5:00000000 r4:c5ce4000 eep) from [] (exit_sign<4>[ 69.381318] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) als+0x4c/0x3fc) # [ 68.479810]<4>[ 69.392528] r9:c1acc6e0 r8:c15e88e4 r7:c5ce5f60 r6:00000008 r5:c69ee000 r4:00000002 r6:00000001 r5:c5c2e000 r4:c598<4>[ 69.403395] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 0000 # [ 68.484710] [[ 69.414432] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) >] (exit_signals) from [[ 69.425564] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) >] (do_exit+0x100/0xb38) # [ 6<4>[ 69.436595] r9:c5ce5f60 r8:c50fdd80 r7:00000008 r6:b6e06000 r5:c5a7cc80 r4:c0c35700 8.492290] r8:0000000b r7:c1e0f84<4>[ 69.447468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) c r6:ffffe000 r5:00000000 r4:c598<4>[ 69.458412] r9:c07e17e8 r8:c5ce5f60 r7:c2815800 r6:b6e06000 r5:c5a7cc80 r4:00000000 0000 # [ 68.499268] [[ 69.469279] [] (vfs_write) from [] (ksys_write+0x74/0xec) >] (do_exit) from [] (m<4>[ 69.479535] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c5ce4000 r5:c5a7cc80 ake_task_dead+0x68/0x74) # [ 6<4>[ 69.490482] r4:c5a7cc80 8.506844] r7:c1e0f84c # [ 68.<4>[ 69.496147] [] (ksys_write) from [] (sys_write+0x18/0x1c) 509654] [] (make_task_d<4>[ 69.506404] r9:c5ce4000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000008 r4:00000008 ead) from [] (die+0x370<4>[ 69.517271] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) /0x37c) # [ 68.517062] [[ 69.527957] Exception stack(0xc5ce5fa8 to 0xc5ce5ff0) 720>] (die) from [] (do<4>[ 69.536136] 5fa0: 00000008 00000008 00000001 b6e06000 00000008 00000000 _undefinstr+0x170/0x240) # [ 6<4>[ 69.547434] 5fc0: 00000008 00000008 b6f4de00 00000004 00000001 00000000 00020000 beeeca64 8.524383] r10:00000004 r9:c5c2e0<4>[ 69.558730] 5fe0: 00000004 beeec798 b6eb84cf b6e3e7e6 00 r8:c15e88e4 r7:00000000 r6:c5c<4>[ 69.566974] irq event stamp: 0 2fdc8 r5:c0c358a0 # [ 68.53248<4>[ 69.573117] hardirqs last enabled at (0): [<00000000>] 0x0 0] r4:e7f001f2 # [ 68.535287]<4>[ 69.581852] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [] (do_undefinstr) fro<4>[ 69.592447] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 m [] (__und_svc_finish+<4>[ 69.603030] softirqs last disabled at (0): [<00000000>] 0x0 0x0/0x54) # [ 68.543470] Excep<4>[ 69.611722] ---[ end trace 6556776c6b5d505e ]--- tion stack(0xc5c2fdc8 to 0xc5c2fe10) # [ 68.548794] fdc0: c15e88ec ef7ab5e0 cac2ed53 c0c3588c 00000001 c685e000 # [ 68.557244] fde0: 00000004 c5c2ff60 c15e88e4 c1acc6dc 00000004 c5c2fe64 c5c2fe68 c5c2fe58 # [ 68.565690] fe00: c0c35320 c0c358a0 a00e0013 ffffffff # [ 68.571013] r7:c5c2fdfc r6:ffffffff r5:a00e0013 r4:c0c358a4 # [ 68.576948] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.584790] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.593070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.601260] r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700 # [ 68.609279] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 68.617382] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000 # [ 68.625399] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.632806] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00 # [ 68.640902] r4:c47eca00 # [ 68.643710] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 68.651117] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 # [ 68.659133] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 68.666969] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) # [ 68.672292] ffa0: 00000004 00000004 00000001 b6e20000 00000004 00000000 # [ 68.680741] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64 # [ 68.689187] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 69.228270] lkdtm: Performing direct entry WARNING # [ 69.234006] ------------[ cut here ]------------ # [ 69.241653] WARNING: CPU: 3 PID: 781 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 69.253176] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 69.285130] CPU: 3 PID: 781 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 69.295847] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.305497] Backtrace: # [ 69.311087] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 69.321764] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 69.330552] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 69.340986] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 69.351063] r9:00000009 r8:c0c358ec r7:00000053 r6:00000009 r5:c0c358ec r4:c1accd98 # [ 69.361930] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 69.372530] r7:00000053 r6:c1accd98 r5:00000000 r4:c5ce4000 # [ 69.381318] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 69.392528] r9:c1acc6e0 r8:c15e88e4 r7:c5ce5f60 r6:00000008 r5:c69ee000 r4:00000002 # [ 69.403395] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.414432] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.425564] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.436595] r9:c5ce5f60 r8:c50fdd80 r7:00000008 r6:b6e06000 r5:c5a7cc80 r4:c0c35700 # [ 69.447468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 69.458412] r9:c07e17e8 r8:c5ce5f60 r7:c2815800 r6:b6e06000 r5:c5a7cc80 r4:00000000 # [ 69.469279] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.479535] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c5ce4000 r5:c5a7cc80 # [ 69.490482] r4:c5a7cc80 # [ 69.496147] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.506404] r9:c5ce4000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000008 r4:00000008 # [ 69.517271] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.527957] Exception stack(0xc5ce5fa8 to 0xc5ce5ff0) # [ 69.536136] 5fa0: 00000008 00000008 00000001 b6e06000 00000008 00000000 # [ 69.547434] 5fc0: 00000008 0<6>[ 70.008546] lkdtm: Performing direct entry WARNING_MESSAGE 0000008 b6f4de00 00000004 0000000<4>[ 70.015620] ------------[ cut here ]------------ 1 00000000 00020000 beeeca64 # [<4>[ 70.023371] WARNING: CPU: 3 PID: 816 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 69.558730] 5fe0: 00000004 beee<4>[ 70.035595] Warning message trigger count: 2 c798 b6eb84cf b6e3e7e6 # [ 69.<4>[ 70.042974] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 566974] irq event stamp: 0 # [ <4>[ 70.074954] CPU: 3 PID: 816 Comm: cat Tainted: G D W 5.10.170-cip27 #1 69.573117] hardirqs last enable<4>[ 70.085681] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) d at (0): [<00000000>] 0x0 # [ <4>[ 70.095331] Backtrace: 69.581852] hardirqs last disable<4>[ 70.100919] [] (dump_backtrace) from [] (show_stack+0x20/0x24) d at (0): [] copy_proce<4>[ 70.111600] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 ss+0x5f8/0x1974 # [ 69.592447]<4>[ 70.120388] [] (show_stack) from [] (dump_stack+0xe0/0x100) softirqs last enabled at (0): [<4>[ 70.130821] [] (dump_stack) from [] (__warn+0x98/0x14c) ] copy_process+0x5f8/0x<4>[ 70.140899] r9:00000009 r8:c0c3593c r7:00000058 r6:00000009 r5:c0c3593c r4:c1accd98 1974 # [ 69.603030] softirqs l<4>[ 70.151766] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ast disabled at (0): [<00000000>]<4>[ 70.162365] r7:00000058 r6:c1accd98 r5:c1accdb4 r4:c69d4000 0x0 # [ 69.611722] ---[ end t<4>[ 70.171150] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) race 6556776c6b5d505e ]--- # WAR<4>[ 70.183054] r9:c1acc6e8 r8:c15e88e4 r7:c69d5f60 r6:00000010 r5:c6b6d000 r4:00000003 NING: saw 'WARNING:': ok ok 3 se<4>[ 70.193920] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) lftests: lkdtm: WARNING.sh # sel<4>[ 70.205653] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ftests: lkdtm: WARNING_MESSAGE.sh<4>[ 70.216785] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 70.227818] r9:c69d5f60 r8:c50fdd80 r7:00000010 r6:b6df7000 r5:c5c4f180 r4:c0c35700 <4>[ 70.235997] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 70.244101] r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6df7000 r5:c5c4f180 r4:00000000 <4>[ 70.252118] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 70.259525] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c69d4000 r5:c5c4f180 <4>[ 70.267621] r4:c5c4f180 <4>[ 70.270429] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 70.277836] r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000010 r4:00000010 <4>[ 70.285857] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 70.293695] Exception stack(0xc69d5fa8 to 0xc69d5ff0) <4>[ 70.299021] 5fa0: 00000010 00000010 00000001 b6df7000 00000010 00000000 <4>[ 70.307473] 5fc0: 00000010 00000010 b6f3ee00 00000004 00000001 00000000 00020000 bedaca64 <4>[ 70.315919] 5fe0: 00000004 bedac798 b6ea94cf b6e2f7e6 <4>[ 70.321388] irq event stamp: 0 <4>[ 70.324730] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 70.330586] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 70.338404] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 70.346221] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 70.352150] ---[ end trace 6556776c6b5d505f ]--- # [ 70.008546] lkdtm: Performing direct entry WARNING_MESSAGE # [ 70.015620] ------------[ cut here ]------------ # [ 70.023371] WARNING: CPU: 3 PID: 816 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 70.035595] Warning message trigger count: 2 # [ 70.042974] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 70.074954] CPU: 3 PID: 816 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 70.085681] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.095331] Backtrace: # [ 70.100919] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 70.111600] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 70.120388] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 70.130821] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 70.140899] r9:00000009 r8:c0c3593c r7:00000058 r6:00000009 r5:c0c3593c r4:c1accd98 # [ 70.151766] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 70.162365] r7:00000058 r6:c1accd98 r5:c1accdb4 r4:c69d4000 # [ 70.171150] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 70.183054] r9:c1acc6e8 r8:c15e88e4 r7:c69d5f60 r6:00000010 r5:c6b6d000 r4:00000003 # [ 70.193920] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.205653] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.216785] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.227818] r9:c69d5f60 r8:c50fdd80 r7:00000010 r6:b6df7000 r5:c5c4f180 r4:c0c35700 # [ 70.235997] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 70.244101] r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6df7000 r5:c5c4f180 r4:00000000 # [ 70.252118] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 70.259525] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c69d4000 r5:c5c4f180 # [ 70.267621] r4:c5c4f180 # [ 70.270429] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 70.277836] r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000010 r4:00000010 # [ 70.285857] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 70.293695] Exception stack(0xc69d5fa8 to 0xc69d5ff0) # [ 70.299021] 5fa0: 00000010 00000010 00000001 b6df7000 00000010 00000000 # [ 70.307473] 5fc0: 00000010 00000010 b6f3ee00 00000004 00000001 00000000 00020000 bedaca64 # [ 70.315919] 5fe0: 00000004 bedac798 b6ea94cf b6e2f7e6 # [ 70.321388] irq event stamp: 0 # [ 70.324730] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 70.330586] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 70.338404] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 70.346221] softirqs last disabled at (0): [<00000000>] 0x0 # [ 70.352150] ---[ end trace 6556776c6b5d505f ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 70.744396] lkdtm: Performing direct entry EXCEPTION <1>[ 70.749657] 8<--- cut here --- <1>[ 70.753071] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 70.761493] pgd = 758bb547 <1>[ 70.764482] [00000000] *pgd=00000000 <0>[ 70.768356] Internal error: Oops: 805 [#2] SMP ARM <4>[ 70.773421] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 70.802739] CPU: 3 PID: 848 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 70.810665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 70.817474] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 70.822190] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 70.826905] pc : [] lr : [] psr: a00e0013 <4>[ 70.833441] sp : c69a5e58 ip : c69a5e68 fp : c69a5e64 <4>[ 70.838935] r10: 0000000a r9 : c1acc6f8 r8 : c15e88e4 <4>[ 70.844429] r7 : c69a5f60 r6 : 0000000a r5 : c69ee000 r4 : 00000004 <4>[ 70.851225] r3 : 00000000 r2 : 28276fed r1 : ef7c05e0 r0 : c15e8904 <4>[ 70.858023] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 70.865428] Control: 10c5387d Table: 16dd404a DAC: 00000051 <0>[ 70.871444] Process cat (pid: 848, stack limit = 0xd9f7b010) <0>[ 70.877374] Stack: (0xc69a5e58 to 0xc69a6000) <0>[ 70.882004] 5e40: c69a5e74 c69a5e68 <0>[ 70.890457] 5e60: c0c35320 c0c35950 c69a5e9c c69a5e78 c0c35820 c0c35300 c0c35700 c69a2140 <0>[ 70.898909] 5e80: b6e55000 0000000a c50fdd80 c69a5f60 c69a5ec4 c69a5ea0 c07e184c c0c3570c <0>[ 70.907359] 5ea0: 00000000 c69a2140 b6e55000 c2815800 c69a5f60 c07e17e8 c69a5f5c c69a5ec8 <0>[ 70.915810] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a4000 <0>[ 70.924260] 5ee0: b6e55000 00020000 00000004 0000000a 0001fff6 c69a5ee0 00000001 b6e54000 <0>[ 70.932710] 5f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 70.941160] 5f20: 00000000 00000000 c1371d70 28276fed c205c880 c69a2140 c69a2140 c69a4000 <0>[ 70.949610] 5f40: b6e55000 00000000 00000000 00000004 c69a5f94 c69a5f60 c0599c20 c059958c <0>[ 70.958064] 5f60: 00000000 00000000 c69a5fac 28276fed 0000000a 0000000a b6f9ce00 00000004 <0>[ 70.966513] 5f80: c03002e4 c69a4000 c69a5fa4 c69a5f98 c0599cb0 c0599bb8 00000000 c69a5fa8 <0>[ 70.974964] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 <0>[ 70.983413] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64 <0>[ 70.991862] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6 800e0030 00000001 00000000 00000000 <0>[ 71.000305] Backtrace: <0>[ 71.003036] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.011403] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.019688] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.027880] r9:c69a5f60 r8:c50fdd80 r7:0000000a r6:b6e55000 r5:c69a2140 r4:c0c35700 <0>[ 71.035904] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 71.044007] r9:c07e17e8 r8:c69a5f60 r7:c2815800 r6:b6e55000 r5:c69a2140 r4:00000000 <0>[ 71.052023] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.059432] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c69a4000 r5:c69a2140 <0>[ 71.067529] r4:c69a2140 <0>[ 71.070337] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.077747] r9:c69a4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000000a r4:0000000a <0>[ 71.085767] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.093603] Exception stack(0xc69a5fa8 to 0xc69a5ff0) <0>[ 71.098929] 5fa0: 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 <0>[ 71.107380] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64 <0>[ 71.115829] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6 <0>[ 71.121156] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 71.127629] ---[ end trace 6556776c6b5d5060 ]--- # Segmentation fault # [ 70.744396] lkdtm: Performing direct entry EXCEPTION # [ 70.749657] 8<--- cut here --- # [ 70.753071] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 70.761493] pgd = 758bb547 # [ 70.764482] [00000000] *pgd=00000000 # [ 70.768356] Internal error: Oops: 805 [#2] SMP ARM # [ 70.773421] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 70.802739] CPU: 3 PID: 848 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 70.810665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.817474] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 70.822190] LR is at lkdtm_do_action+0x2c/0x4c # [ 70.826905] pc : [] lr : [] psr: a00e0013 # [ 70.833441] sp : c69a5e58 ip : c69a5e68 fp : c69a5e64 # [ 70.838935] r10: 0000000a r9 : c1acc6f8 r8 : c15e88e4 # [ 70.844429] r7 : c69a5f60 r6 : 0000000a r5 : c69ee000 r4 : 00000004 # [ 70.851225] r3 : 00000000 r2 : 28276fed r1 : ef7c05e0 r0 : c15e8904 # [ 70.858023] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.865428] Control: 10c5387d Table: 16dd404a DAC: 00000051 # [ 70.871444] Process cat (pid: 848, stack limit = 0xd9f7b010) # [ 70.877374] Stack: (0xc69a5e58 to 0xc69a6000) # [ 70.882004] 5e40: c69a5e74 c69a5e68 # [ 70.890457] 5e60: c0c35320 c0c35950 c69a5e9c c69a5e78 c0c35820 c0c35300 c0c35700 c69a2140 # [ 70.898909] 5e80: b6e55000 0000000a c50fdd80 c69a5f60 c69a5ec4 c69a5ea0 c07e184c c0c3570c # [ 70.907359] 5ea0: 00000000 c69a2140 b6e55000 c2815800 c69a5f60 c07e17e8 c69a5f5c c69a5ec8 # [ 70.915810] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a4000 # [ 70.924260] 5ee0: b6e55000 00020000 00000004 0000000a 0001fff6 c69a5ee0 00000001 b6e54000 # [ 70.932710] 5f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.941160] 5f20: 00000000 00000000 c1371d70 28276fed c205c880 c69a2140 c69a2140 c69a4000 # [ 70.949610] 5f40: b6e55000 00000000 00000000 00000004 c69a5f94 c69a5f60 c0599c20 c059958c # [ 70.958064] 5f60: 00000000 00000000 c69a5fac 28276fed 0000000a 0000000a b6f9ce00 00000004 # [ 70.966513] 5f80: c03002e4 c69a4000 c69a5fa4 c69a5f98 c0599cb0 c0599bb8 00000000 c69a5fa8 # [ 70.974964] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 # [ 70.983413] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64 # [ 70.991862] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6 800e0030 00000001 00000000 00000000 # [ 71.000305] Backtrace: # [ 71.003036] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.011403] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.019688] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.027880] r9:c69a5f60 r8:c50fdd80 r7:0000000a r6:b6e55000 r5:c69a2140 r4:c0c35700 # [ 71.035904] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 71.044007] r9:c07e17e8 r8:c69a5f60 r7:c2815800 r6:b6e55000 r5:c69a2140 r4:00000000 # [ 71.052023] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.059432] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c69a4000 r5:c69a2140 # [ 71.067529] r4:c69a2140 # [ 71.070337] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.077747] r9:c69a4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000000a r4:0000000a # [ 71.085767] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.093603] Exception stack(0xc69a5fa8 to 0xc69a5ff0) # [ 71.098929] 5fa0: 0000000a 0000000a 00000001 b6e55000 0000000a 00000000 # [ 71.107380] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64 # [ 71.115829] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6 # [ 71.121156] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 71.127629] ---[ end trace 6556776c6b5d5060 ]--- # 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>[ 72.522996] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 72.528855] lkdtm: attempting good list addition <6>[ 72.533819] lkdtm: attempting corrupted list addition <3>[ 72.539149] lkdtm: list_add() corruption not detected! # [ 72.522996] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 72.528855] lkdtm: attempting good list addition # [ 72.533819] lkdtm: attempting corrupted list addition # [ 72.539149] 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>[ 72.956444] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 72.962414] lkdtm: attempting good list removal <6>[ 72.967225] lkdtm: attempting corrupted list removal <3>[ 72.972512] lkdtm: list_del() corruption not detected! # [ 72.956444] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 72.962414] lkdtm: attempting good list removal # [ 72.967225] lkdtm: attempting corrupted list removal # [ 72.972512] 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>[ 73.348806] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 73.355423] lkdtm: attempting bad read from page below current stack <3>[ 73.362130] lkdtm: FAIL: accessed page before stack! (byte: 43) # [ 73.348806] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 73.355423] lkdtm: attempting bad read from page below current stack # [ 73.362130] lkdtm: FAIL: accessed page before stack! (byte: 43) # 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>[ 73.755634] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 73.762361] lkdtm: attempting bad read from page above current stack <3>[ 73.769012] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 73.755634] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 73.762361] lkdtm: attempting bad read from page above current stack # [ 73.769012] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 74.159828] lkdtm: Performing direct entry UNSET_SMEP <3>[ 74.165286] lkdtm: XFAIL: this test is x86_64-only # [ 74.159828] lkdtm: Performing direct entry UNSET_SMEP # [ 74.165286] 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>[ 74.568897] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 74.574519] lkdtm: XFAIL: this test is ia32-only # [ 74.568897] lkdtm: Performing direct entry DOUBLE_FAULT # [ 74.574519] 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>[ 74.934696] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 74.940121] lkdtm: XFAIL: this test is arm64-only # [ 74.934696] lkdtm: Performing direct entry CORRUPT_PAC # [ 74.940121] 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>[ 75.306254] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 75.313062] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 75.306254] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 75.313062] 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>[ 76.134519] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 76.140296] lkdtm: Value in memory before free: 12345678 <6>[ 76.145977] lkdtm: Attempting bad read from freed memory <6>[ 76.151616] lkdtm: Memory was not poisoned # [ 76.134519] lkdtm: Performing direct entry READ_AFTER_FREE # [ 76.140296] lkdtm: Value in memory before free: 12345678 # [ 76.145977] lkdtm: Attempting bad read from freed memory # [ 76.151616] 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>[ 76.778410] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 76.784818] lkdtm: Value in memory before free: 12345678 <6>[ 76.790407] lkdtm: Attempting to read from freed memory <6>[ 76.795949] lkdtm: Buddy page was not poisoned # [ 76.778410] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 76.784818] lkdtm: Value in memory before free: 12345678 # [ 76.790407] lkdtm: Attempting to read from freed memory # [ 76.795949] 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>[ 77.151626] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 77.157500] lkdtm: Attempting double slab free ... # [ 77.151626] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 77.157500] 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>[ 77.516593] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 77.522449] lkdtm: Attempting cross-cache slab free ... # [ 77.516593] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 77.522449] 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>[ 77.893091] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 77.898810] lkdtm: Attempting non-Slab slab free ... # [ 77.893091] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 77.898810] 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>[ 79.200323] lkdtm: Performing direct entry EXEC_DATA <6>[ 79.205696] lkdtm: attempting ok execution at c0c36090 <6>[ 79.211163] lkdtm: attempting bad execution at c26f696c <1>[ 79.216675] 8<--- cut here --- <1>[ 79.220003] Unable to handle kernel paging request at virtual address c26f696c <1>[ 79.227496] pgd = de9ead57 <1>[ 79.230472] [c26f696c] *pgd=1261141e(bad) <0>[ 79.234769] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 79.240265] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 79.269605] CPU: 1 PID: 1691 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 79.277617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.284424] PC is at data_area+0x0/0x40 <4>[ 79.288540] LR is at execute_location+0xa4/0xb4 <4>[ 79.293341] pc : [] lr : [] psr: 600e0013 <4>[ 79.299878] sp : c69d5e38 ip : 00000027 fp : c69d5e54 <4>[ 79.305372] r10: 0000000a r9 : c1acc8dc r8 : c15e88e4 <4>[ 79.310866] r7 : c69d5f60 r6 : 00000001 r5 : c26f696c r4 : c0c36090 <4>[ 79.317661] r3 : bd0e5256 r2 : bd0e5256 r1 : ef7965e4 r0 : 0000002b <4>[ 79.324460] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.331866] Control: 10c5387d Table: 15ee004a DAC: 00000051 <0>[ 79.337882] Process cat (pid: 1691, stack limit = 0x74d48048) <0>[ 79.343898] Stack: (0xc69d5e38 to 0xc69d6000) <0>[ 79.348526] 5e20: 0000001f c580f000 <0>[ 79.356978] 5e40: 0000000a c69d5f60 c69d5e64 c69d5e58 c135c6e4 c135c4e0 c69d5e74 c69d5e68 <0>[ 79.365428] 5e60: c0c35320 c135c6cc c69d5e9c c69d5e78 c0c35820 c0c35300 c0c35700 c69977c0 <0>[ 79.373878] 5e80: b6e0e000 0000000a c50fdd80 c69d5f60 c69d5ec4 c69d5ea0 c07e184c c0c3570c <0>[ 79.382327] 5ea0: 00000000 c69977c0 b6e0e000 c2815800 c69d5f60 c07e17e8 c69d5f5c c69d5ec8 <0>[ 79.390777] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69d4000 <0>[ 79.399227] 5ee0: b6e0e000 00020000 00000004 0000000a 0001fff6 c69d5ee0 00000001 b6e0d000 <0>[ 79.407676] 5f00: c5a872c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.416126] 5f20: 00000000 00000000 c1371d70 bd0e5256 c205c880 c69977c0 c69977c0 c69d4000 <0>[ 79.424576] 5f40: b6e0e000 00000000 00000000 00000004 c69d5f94 c69d5f60 c0599c20 c059958c <0>[ 79.433027] 5f60: 00000000 00000000 c69d5fac bd0e5256 0000000a 0000000a b6f55e00 00000004 <0>[ 79.441477] 5f80: c03002e4 c69d4000 c69d5fa4 c69d5f98 c0599cb0 c0599bb8 00000000 c69d5fa8 <0>[ 79.449927] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e0e000 0000000a 00000000 <0>[ 79.458376] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64 <0>[ 79.466827] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6 800e0030 00000001 00000000 00000000 <0>[ 79.475270] Backtrace: <0>[ 79.478006] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 79.486458] r7:c69d5f60 r6:0000000a r5:c580f000 r4:0000001f <0>[ 79.492395] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.500761] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.509042] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.517232] r9:c69d5f60 r8:c50fdd80 r7:0000000a r6:b6e0e000 r5:c69977c0 r4:c0c35700 <0>[ 79.525257] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 79.533361] r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e0e000 r5:c69977c0 r4:00000000 <0>[ 79.541378] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.548786] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c69d4000 r5:c69977c0 <0>[ 79.556883] r4:c69977c0 <0>[ 79.559691] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.567099] r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000000a r4:0000000a <0>[ 79.575120] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.582957] Exception stack(0xc69d5fa8 to 0xc69d5ff0) <0>[ 79.588281] 5fa0: 0000000a 0000000a 00000001 b6e0e000 0000000a 00000000 <0>[ 79.596733] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64 <0>[ 79.605180] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6 <0>[ 79.610508] Code: 00000000 c2dc19c0 c2dc1a80 c2dc1b40 (e1a0c00d) <4>[ 79.616878] ---[ end trace 6556776c6b5d5061 ]--- # Segmentation fault # [ 79.200323] lkdtm: Performing direct entry EXEC_DATA # [ 79.205696] lkdtm: attempting ok execution at c0c36090 # [ 79.211163] lkdtm: attempting bad execution at c26f696c # [ 79.216675] 8<--- cut here --- # [ 79.220003] Unable to handle kernel paging request at virtual address c26f696c # [ 79.227496] pgd = de9ead57 # [ 79.230472] [c26f696c] *pgd=1261141e(bad) # [ 79.234769] Internal error: Oops: 8000000d [#3] SMP ARM # [ 79.240265] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.269605] CPU: 1 PID: 1691 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 79.277617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.284424] PC is at data_area+0x0/0x40 # [ 79.288540] LR is at execute_location+0xa4/0xb4 # [ 79.293341] pc : [] lr : [] psr: 600e0013 # [ 79.299878] sp : c69d5e38 ip : 00000027 fp : c69d5e54 # [ 79.305372] r10: 0000000a r9 : c1acc8dc r8 : c15e88e4 # [ 79.310866] r7 : c69d5f60 r6 : 00000001 r5 : c26f696c r4 : c0c36090 # [ 79.317661] r3 : bd0e5256 r2 : bd0e5256 r1 : ef7965e4 r0 : 0000002b # [ 79.324460] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.331866] Control: 10c5387d Table: 15ee004a DAC: 00000051 # [ 79.337882] Process cat (pid: 1691, stack limit = 0x74d48048) # [ 79.343898] Stack: (0xc69d5e38 to 0xc69d6000) # [ 79.348526] 5e20: 0000001f c580f000 # [ 79.356978] 5e40: 0000000a c69d5f60 c69d5e64 c69d5e58 c135c6e4 c135c4e0 c69d5e74 c69d5e68 # [ 79.365428] 5e60: c0c35320 c135c6cc c69d5e9c c69d5e78 c0c35820 c0c35300 c0c35700 c69977c0 # [ 79.373878] 5e80: b6e0e000 0000000a c50fdd80 c69d5f60 c69d5ec4 c69d5ea0 c07e184c c0c3570c # [ 79.382327] 5ea0: 00000000 c69977c0 b6e0e000 c2815800 c69d5f60 c07e17e8 c69d5f5c c69d5ec8 # [ 79.390777] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69d4000 # [ 79.399227] 5ee0: b6e0e000 00020000 00000004 0000000a 0001fff6 c69d5ee0 00000001 b6e0d000 # [ 79.407676] 5f00: c5a872c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.416126] 5f20: 00000000 00000000 c1371d70 bd0e5256 c205c880 c69977c0 c69977c0 c69d4000 # [ 79.424576] 5f40: b6e0e000 00000000 00000000 00000004 c69d5f94 c69d5f60 c0599c20 c059958c # [ 79.433027] 5f60: 00000000 00000000 c69d5fac bd0e5256 0000000a 0000000a b6f55e00 00000004 # [ 79.441477] 5f80: c03002e4 c69d4000 c69d5fa4 c69d5f98 c0599cb0 c0599bb8 00000000 c69d5fa8 # [ 79.449927] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e0e000 0000000a 00000000 # [ 79.458376] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64 # [ 79.466827] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6 800e0030 00000001 00000000 00000000 # [ 79.475270] Backtrace: # [ 79.478006] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 79.486458] r7:c69d5f60 r6:0000000a r5:c580f000 r4:0000001f # [ 79.492395] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.500761] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.509042] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.517232] r9:c69d5f60 r8:c50fdd80 r7:0000000a r6:b6e0e000 r5:c69977c0 r4:c0c35700 # [ 79.525257] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 79.533361] r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e0e000 r5:c69977c0 r4:00000000 # [ 79.541378] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.548786] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c69d4000 r5:c69977c0 # [ 79.556883] r4:c69977c0 # [ 79.559691] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.567099] r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000000a r4:0000000a # [ 79.575120] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.582957] Exception stack(0xc69d5fa8 to 0xc69d5ff0) # [ 79.588281] 5fa0: 0000000a 0000000a 00000001 b6e0e000 0000000a 00000000 # [ 79.596733] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64 # [ 79.605180] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6 # [ 79.610508] Code:<6>[ 80.119918] lkdtm: Performing direct entry EXEC_STACK 00000000 c2dc19c0 c2dc1a80 c2dc1<6>[ 80.125735] lkdtm: attempting ok execution at c0c36090 b40 (e1a0c00d) # [ 79.616878]<6>[ 80.133955] lkdtm: attempting bad execution at c5c2fe0c ---[ end trace 6556776c6b5d5061 <1>[ 80.142259] 8<--- cut here --- ]--- # EXEC_DATA: mi<1s>s[i n g 80.148361] Unable to handle kernel paging request at virtual address c5c2fe0c 'call trace:': <[1F>A[I L ] 8 0n158099] pgd = 105efa03 ot ok 30 selftests: lkdtm: EXEC_D<1>[ 80.163063] [c5c2fe0c] *pgd=15c1141e(bad) ATA.sh # exit=1 # selftt[s 80.170200] Internal error: Oops: 8000000d [#4] SMP ARM lkdtm: EXEC_STACK.sh <4>[ 80.178110] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 80.209205] CPU: 3 PID: 1767 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 80.217219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.224021] PC is at 0xc5c2fe0c <4>[ 80.227448] LR is at execute_location+0xa4/0xb4 <4>[ 80.232249] pc : [] lr : [] psr: 600e0013 <4>[ 80.238784] sp : c5c2fde8 ip : c5c2fcf0 fp : c5c2fe04 <4>[ 80.244276] r10: 0000000b r9 : c1acc8e8 r8 : c15e88e4 <4>[ 80.249769] r7 : c5c2ff60 r6 : 00000001 r5 : c5c2fe0c r4 : c0c36090 <4>[ 80.256563] r3 : f678bafa r2 : f678bafa r1 : ef7c05e0 r0 : 0000002b <4>[ 80.263362] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.270767] Control: 10c5387d Table: 15da004a DAC: 00000051 <0>[ 80.276782] Process cat (pid: 1767, stack limit = 0xd76da7b3) <0>[ 80.282799] Stack: (0xc5c2fde8 to 0xc5c30000) <0>[ 80.287432] fde0: c5c2e000 c6b7c000 0000000b c5c2ff60 c5c2fe64 c5c2fe08 <0>[ 80.295884] fe00: c135c720 c135c4e0 c5c2fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 80.304334] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 <0>[ 80.312784] fe40: e3a02040 e3a01d33 e5930018 f678bafa 0000000b 00000020 c5c2fe74 c5c2fe68 <0>[ 80.321235] fe60: c0c35320 c135c6f4 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c5a87b80 <0>[ 80.329685] fe80: b6e13000 0000000b c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c <0>[ 80.338136] fea0: 00000000 c5a87b80 b6e13000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8 <0>[ 80.346587] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000 <0>[ 80.355037] fee0: b6e13000 00020000 00000004 0000000b 0001fff5 c5c2fee0 00000001 b6e12000 <0>[ 80.363487] ff00: c5aba280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.371937] ff20: 00000000 00000000 c1371d70 f678bafa c205c880 c5a87b80 c5a87b80 c5c2e000 <0>[ 80.380387] ff40: b6e13000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c <0>[ 80.388838] ff60: 00000000 00000000 c5c2ffac f678bafa 0000000b 0000000b b6f5ae00 00000004 <0>[ 80.397288] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8 <0>[ 80.405738] ffa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 <0>[ 80.414187] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64 <0>[ 80.422636] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6 800e0030 00000001 00000000 00000000 <0>[ 80.431079] Backtrace: <0>[ 80.433814] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 80.442352] r7:c5c2ff60 r6:0000000b r5:c6b7c000 r4:c5c2e000 <0>[ 80.448291] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.456737] r4:00000020 <0>[ 80.459548] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.467831] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.476023] r9:c5c2ff60 r8:c50fdd80 r7:0000000b r6:b6e13000 r5:c5a87b80 r4:c0c35700 <0>[ 80.484048] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 80.492153] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e13000 r5:c5a87b80 r4:00000000 <0>[ 80.500170] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.507579] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c5c2e000 r5:c5a87b80 <0>[ 80.515677] r4:c5a87b80 <0>[ 80.518484] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.525893] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000b r4:0000000b <0>[ 80.533914] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.541753] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) <0>[ 80.547077] ffa0: 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 <0>[ 80.555527] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64 <0>[ 80.563973] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6 <0>[ 80.569298] Code: c5c2fe08 c135c720 c135c4e0 c5c2fe6c (e1a0c00d) <4>[ 80.575667] ---[ end trace 6556776c6b5d5062 ]--- # Segmentation fault # [ 80.119918] lkdtm: Performing direct entry EXEC_STACK # [ 80.125735] lkdtm: attempting ok execution at c0c36090 # [ 80.133955] lkdtm: attempting bad execution at c5c2fe0c # [ 80.142259] 8<--- cut here --- # [ 80.148361] Unable to handle kernel paging request at virtual address c5c2fe0c # [ 80.158099] pgd = 105efa03 # [ 80.163063] [c5c2fe0c] *pgd=15c1141e(bad) # [ 80.170200] Internal error: Oops: 8000000d [#4] SMP ARM # [ 80.178110] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.209205] CPU: 3 PID: 1767 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 80.217219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.224021] PC is at 0xc5c2fe0c # [ 80.227448] LR is at execute_location+0xa4/0xb4 # [ 80.232249] pc : [] lr : [] psr: 600e0013 # [ 80.238784] sp : c5c2fde8 ip : c5c2fcf0 fp : c5c2fe04 # [ 80.244276] r10: 0000000b r9 : c1acc8e8 r8 : c15e88e4 # [ 80.249769] r7 : c5c2ff60 r6 : 00000001 r5 : c5c2fe0c r4 : c0c36090 # [ 80.256563] r3 : f678bafa r2 : f678bafa r1 : ef7c05e0 r0 : 0000002b # [ 80.263362] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.270767] Control: 10c5387d Table: 15da004a DAC: 00000051 # [ 80.276782] Process cat (pid: 1767, stack limit = 0xd76da7b3) # [ 80.282799] Stack: (0xc5c2fde8 to 0xc5c30000) # [ 80.287432] fde0: c5c2e000 c6b7c000 0000000b c5c2ff60 c5c2fe64 c5c2fe08 # [ 80.295884] fe00: c135c720 c135c4e0 c5c2fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 80.304334] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 80.312784] fe40: e3a02040 e3a01d33 e5930018 f678bafa 0000000b 00000020 c5c2fe74 c5c2fe68 # [ 80.321235] fe60: c0c35320 c135c6f4 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c5a87b80 # [ 80.329685] fe80: b6e13000 0000000b c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c # [ 80.338136] fea0: 00000000 c5a87b80 b6e13000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8 # [ 80.346587] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000 # [ 80.355037] fee0: b6e13000 00020000 00000004 0000000b 0001fff5 c5c2fee0 00000001 b6e12000 # [ 80.363487] ff00: c5aba280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.371937] ff20: 00000000 00000000 c1371d70 f678bafa c205c880 c5a87b80 c5a87b80 c5c2e000 # [ 80.380387] ff40: b6e13000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c # [ 80.388838] ff60: 00000000 00000000 c5c2ffac f678bafa 0000000b 0000000b b6f5ae00 00000004 # [ 80.397288] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8 # [ 80.405738] ffa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 # [ 80.414187] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64 # [ 80.422636] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6 800e0030 00000001 00000000 00000000 # [ 80.431079] Backtrace: # [ 80.433814] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 80.442352] r7:c5c2ff60 r6:0000000b r5:c6b7c000 r4:c5c2e000 # [ 80.448291] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.456737] r4:00000020 # [ 80.459548] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.467831] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.476023] r9:c5c2ff60 r8:c50fdd80 r7:0000000b r6:b6e13000 r5:c5a87b80 r4:c0c35700 # [ 80.484048] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 80.492153] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e13000 r5:c5a87b80 r4:00000000 # [ 80.500170] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.507579] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c5c2e000 r5:c5a87b80 # [ 80.515677] r4:c5a87b80 # [ 80.518484] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.525893] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000b r4:0000000b # [ 80.533914] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.541753] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) # [ 80.547077] ffa0: 0000000b 0000000b 00000001 b6e13000 0000000b 00000000 # [ 80.555527] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64 # [ 80.563973] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6 # [ 80.569298] Code: c5c2fe08 c135c720 c135c4e0 c5c2fe6c (e1a0c00d) # [ 80.575667] ---[ end trace 6556776c6b5d5062 ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXE<6>[ 81.110410] lkdtm: Performing direct entry EXEC_KMALLOC C_KMALLOC.sh <6>[ 81.118689] lkdtm: attempting ok execution at c0c36090 <6>[ 81.125238] lkdtm: attempting bad execution at c6c58740 <1>[ 81.130773] 8<--- cut here --- <1>[ 81.134109] Unable to handle kernel paging request at virtual address c6c58740 <1>[ 81.141603] pgd = b792950b <1>[ 81.144582] [c6c58740] *pgd=16c1141e(bad) <0>[ 81.148882] Internal error: Oops: 8000000d [#5] SMP ARM <4>[ 81.154378] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 81.183714] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 81.191726] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.198527] PC is at 0xc6c58740 <4>[ 81.201952] LR is at execute_location+0xa4/0xb4 <4>[ 81.206754] pc : [] lr : [] psr: 600e0013 <4>[ 81.213290] sp : c6a33e30 ip : 00000027 fp : c6a33e4c <4>[ 81.218785] r10: 0000000d r9 : c1acc8f4 r8 : c15e88e4 <4>[ 81.224278] r7 : c6a33f60 r6 : 00000001 r5 : c6c58740 r4 : c0c36090 <4>[ 81.231073] r3 : 69bb8a99 r2 : 69bb8a99 r1 : ef7c05e4 r0 : 0000002b <4>[ 81.237871] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 81.245276] Control: 10c5387d Table: 146f004a DAC: 00000051 <0>[ 81.251292] Process cat (pid: 1846, stack limit = 0x232c8df3) <0>[ 81.257310] Stack: (0xc6a33e30 to 0xc6a34000) <0>[ 81.261941] 3e20: c6c58740 c6b62000 0000000d c6a33f60 <0>[ 81.270392] 3e40: c6a33e64 c6a33e50 c0c360e0 c135c4e0 00000021 c6b62000 c6a33e74 c6a33e68 <0>[ 81.278842] 3e60: c0c35320 c0c360b4 c6a33e9c c6a33e78 c0c35820 c0c35300 c0c35700 c47bab40 <0>[ 81.287292] 3e80: b6e6d000 0000000d c50fdd80 c6a33f60 c6a33ec4 c6a33ea0 c07e184c c0c3570c <0>[ 81.295742] 3ea0: 00000000 c47bab40 b6e6d000 c2815800 c6a33f60 c07e17e8 c6a33f5c c6a33ec8 <0>[ 81.304193] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6a32000 <0>[ 81.312644] 3ee0: b6e6d000 00020000 00000004 0000000d 0001fff3 c6a33ee0 00000001 b6e6c000 <0>[ 81.321096] 3f00: c5d5a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 81.329547] 3f20: 00000000 00000000 c1371d70 69bb8a99 c205c880 c47bab40 c47bab40 c6a32000 <0>[ 81.337997] 3f40: b6e6d000 00000000 00000000 00000004 c6a33f94 c6a33f60 c0599c20 c059958c <0>[ 81.346446] 3f60: 00000000 00000000 c6a33fac 69bb8a99 0000000d 0000000d b6fb4e00 00000004 <0>[ 81.354896] 3f80: c03002e4 c6a32000 c6a33fa4 c6a33f98 c0599cb0 c0599bb8 00000000 c6a33fa8 <0>[ 81.363347] 3fa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e6d000 0000000d 00000000 <0>[ 81.371796] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64 <0>[ 81.380244] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6 800e0030 00000001 00000000 00000000 <0>[ 81.388688] Backtrace: <0>[ 81.391426] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 81.400139] r7:c6a33f60 r6:0000000d r5:c6b62000 r4:c6c58740 <0>[ 81.406075] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.414696] r5:c6b62000 r4:00000021 <0>[ 81.418546] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.426831] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.435023] r9:c6a33f60 r8:c50fdd80 r7:0000000d r6:b6e6d000 r5:c47bab40 r4:c0c35700 <0>[ 81.443047] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 81.451152] r9:c07e17e8 r8:c6a33f60 r7:c2815800 r6:b6e6d000 r5:c47bab40 r4:00000000 <0>[ 81.459169] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.466577] r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6a32000 r5:c47bab40 <0>[ 81.474673] r4:c47bab40 <0>[ 81.477481] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.484889] r9:c6a32000 r8:c03002e4 r7:00000004 r6:b6fb4e00 r5:0000000d r4:0000000d <0>[ 81.492910] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.500748] Exception stack(0xc6a33fa8 to 0xc6a33ff0) <0>[ 81.506072] 3fa0: 0000000d 0000000d 00000001 b6e6d000 0000000d 00000000 <0>[ 81.514522] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64 <0>[ 81.522968] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6 <0>[ 81.528294] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) <4>[ 81.534663] ---[ end trace 6556776c6b5d5063 ]--- # Segmentation fault # [ 81.110410] lkdtm: Performing direct entry EXEC_KMALLOC # [ 81.118689] lkdtm: attempting ok execution at c0c36090 # [ 81.125238] lkdtm: attempting bad execution at c6c58740 # [ 81.130773] 8<--- cut here --- # [ 81.134109] Unable to handle kernel paging request at virtual address c6c58740 # [ 81.141603] pgd = b792950b # [ 81.144582] [c6c58740] *pgd=16c1141e(bad) # [ 81.148882] Internal error: Oops: 8000000d [#5] SMP ARM # [ 81.154378] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.183714] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 81.191726] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.198527] PC is at 0xc6c58740 # [ 81.201952] LR is at execute_location+0xa4/0xb4 # [ 81.206754] pc : [] lr : [] psr: 600e0013 # [ 81.213290] sp : c6a33e30 ip : 00000027 fp : c6a33e4c # [ 81.218785] r10: 0000000d r9 : c1acc8f4 r8 : c15e88e4 # [ 81.224278] r7 : c6a33f60 r6 : 00000001 r5 : c6c58740 r4 : c0c36090 # [ 81.231073] r3 : 69bb8a99 r2 : 69bb8a99 r1 : ef7c05e4 r0 : 0000002b # [ 81.237871] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.245276] Control: 10c5387d Table: 146f004a DAC: 00000051 # [ 81.251292] Process cat (pid: 1846, stack limit = 0x232c8df3) # [ 81.257310] Stack: (0xc6a33e30 to 0xc6a34000) # [ 81.261941] 3e20: c6c58740 c6b62000 0000000d c6a33f60 # [ 81.270392] 3e40: c6a33e64 c6a33e50 c0c360e0 c135c4e0 00000021 c6b62000 c6a33e74 c6a33e68 # [ 81.278842] 3e60: c0c35320 c0c360b4 c6a33e9c c6a33e78 c0c35820 c0c35300 c0c35700 c47bab40 # [ 81.287292] 3e80: b6e6d000 0000000d c50fdd80 c6a33f60 c6a33ec4 c6a33ea0 c07e184c c0c3570c # [ 81.295742] 3ea0: 00000000 c47bab40 b6e6d000 c2815800 c6a33f60 c07e17e8 c6a33f5c c6a33ec8 # [ 81.304193] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6a32000 # [ 81.312644] 3ee0: b6e6d000 00020000 00000004 0000000d 0001fff3 c6a33ee0 00000001 b6e6c000 # [ 81.321096] 3f00: c5d5a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.329547] 3f20: 00000000 00000000 c1371d70 69bb8a99 c205c880 c47bab40 c47bab40 c6a32000 # [ 81.337997] 3f40: b6e6d000 00000000 00000000 00000004 c6a33f94 c6a33f60 c0599c20 c059958c # [ 81.346446] 3f60: 00000000 00000000 c6a33fac 69bb8a99 0000000d 0000000d b6fb4e00 00000004 # [ 81.354896] 3f80: c03002e4 c6a32000 c6a33fa4 c6a33f98 c0599cb0 c0599bb8 00000000 c6a33fa8 # [ 81.363347] 3fa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e6d000 0000000d 00000000 # [ 81.371796] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64 # [ 81.380244] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6 800e0030 00000001 00000000 00000000 # [ 81.388688] Backtrace: # [ 81.391426] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 81.400139] r7:c6a33f60 r6:0000000d r5:c6b62000 r4:c6c58740 # [ 81.406075] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.414696] r5:c6b62000 r4:00000021 # [ 81.418546] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.426831] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.435023] r9:c6a33f60 r8:c50fdd80 r7:0000000d r6:b6e6d000 r5:c47bab40 r4:c0c35700 # [ 81.443047] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 81.451152] r9:c07e17e8 r8:c6a33f60 r7:c2815800 r6:b6e6d000 r5:c47bab40 r4:00000000 # [ 81.459169] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.466577] r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6a32000 r5:c47bab40 # [ 81.474673] r4:c47bab40 # [ 81.477481] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.484889] r9:c6a32000 r8:c03002e4 r7:00000004 r6:b6fb4e00 r5:0000000d r4:0000000d # [ 81.492910] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.500748] Exception stack(0xc6a33fa8 to 0xc6a33ff0) # [ 81.506072] 3fa0: 0000000d 0000000d 00000001 b6e6d000 0000000d 00000000 # [ 81.514522] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64 # [ 81.522968] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6 # [ 81.528294] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) # [ 81.534663] ---[ end trace 6556776c6b5d5063 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 82.101912] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 82.107452] lkdtm: attempting ok execution at c0c36090 <6>[ 82.112949] lkdtm: attempting bad execution at f096c000 <1>[ 82.118461] 8<--- cut here --- <1>[ 82.121848] Unable to handle kernel paging request at virtual address f096c000 <1>[ 82.130725] pgd = 105efa03 <1>[ 82.134317] [f096c000] *pgd=12949811, *pte=493ef65f, *ppte=493ef45f <0>[ 82.140932] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 82.146429] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 82.175769] CPU: 0 PID: 1923 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 82.183783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.190584] PC is at 0xf096c000 <4>[ 82.194010] LR is at execute_location+0xa4/0xb4 <4>[ 82.198811] pc : [] lr : [] psr: 600e0013 <4>[ 82.205348] sp : c47bfe30 ip : 00000027 fp : c47bfe4c <4>[ 82.210843] r10: 0000000d r9 : c1acc904 r8 : c15e88e4 <4>[ 82.216336] r7 : c47bff60 r6 : 00000001 r5 : f096c000 r4 : c0c36090 <4>[ 82.223133] r3 : f7b7d1e5 r2 : f7b7d1e5 r1 : ef7815e4 r0 : 0000002b <4>[ 82.229931] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 82.237337] Control: 10c5387d Table: 15da004a DAC: 00000051 <0>[ 82.243354] Process cat (pid: 1923, stack limit = 0xfde7674a) <0>[ 82.249371] Stack: (0xc47bfe30 to 0xc47c0000) <0>[ 82.254002] fe20: f096c000 c6b7c000 0000000d c47bff60 <0>[ 82.262453] fe40: c47bfe64 c47bfe50 c0c36114 c135c4e0 00000022 c6b7c000 c47bfe74 c47bfe68 <0>[ 82.270905] fe60: c0c35320 c0c360f8 c47bfe9c c47bfe78 c0c35820 c0c35300 c0c35700 c5c4ef00 <0>[ 82.279356] fe80: b6dd6000 0000000d c50fdd80 c47bff60 c47bfec4 c47bfea0 c07e184c c0c3570c <0>[ 82.287806] fea0: 00000000 c5c4ef00 b6dd6000 c2815800 c47bff60 c07e17e8 c47bff5c c47bfec8 <0>[ 82.296256] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c47be000 <0>[ 82.304707] fee0: b6dd6000 00020000 00000004 0000000d 0001fff3 c47bfee0 00000001 b6dd5000 <0>[ 82.313156] ff00: c5abb400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 82.321606] ff20: 00000000 00000000 c1371d70 f7b7d1e5 c205c880 c5c4ef00 c5c4ef00 c47be000 <0>[ 82.330056] ff40: b6dd6000 00000000 00000000 00000004 c47bff94 c47bff60 c0599c20 c059958c <0>[ 82.338506] ff60: 00000000 00000000 c47bffac f7b7d1e5 0000000d 0000000d b6f1de00 00000004 <0>[ 82.346956] ff80: c03002e4 c47be000 c47bffa4 c47bff98 c0599cb0 c0599bb8 00000000 c47bffa8 <0>[ 82.355409] ffa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6dd6000 0000000d 00000000 <0>[ 82.363861] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64 <0>[ 82.372310] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000 <0>[ 82.380752] Backtrace: <0>[ 82.383492] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 82.392203] r7:c47bff60 r6:0000000d r5:c6b7c000 r4:f096c000 <0>[ 82.398138] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.406760] r5:c6b7c000 r4:00000022 <0>[ 82.410612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.418894] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.427085] r9:c47bff60 r8:c50fdd80 r7:0000000d r6:b6dd6000 r5:c5c4ef00 r4:c0c35700 <0>[ 82.435108] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 82.443211] r9:c07e17e8 r8:c47bff60 r7:c2815800 r6:b6dd6000 r5:c5c4ef00 r4:00000000 <0>[ 82.451228] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.458636] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c47be000 r5:c5c4ef00 <0>[ 82.466732] r4:c5c4ef00 <0>[ 82.469541] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.476948] r9:c47be000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:0000000d r4:0000000d <0>[ 82.484968] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.492806] Exception stack(0xc47bffa8 to 0xc47bfff0) <0>[ 82.498130] ffa0: 0000000d 0000000d 00000001 b6dd6000 0000000d 00000000 <0>[ 82.506581] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64 <0>[ 82.515027] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6 <0>[ 82.520357] Code: bad PC value <4>[ 82.523738] ---[ end trace 6556776c6b5d5064 ]--- # Segmentation fault # [ 82.101912] lkdtm: Performing direct entry EXEC_VMALLOC # [ 82.107452] lkdtm: attempting ok execution at c0c36090 # [ 82.112949] lkdtm: attempting bad execution at f096c000 # [ 82.118461] 8<--- cut here --- # [ 82.121848] Unable to handle kernel paging request at virtual address f096c000 # [ 82.130725] pgd = 105efa03 # [ 82.134317] [f096c000] *pgd=12949811, *pte=493ef65f, *ppte=493ef45f # [ 82.140932] Internal error: Oops: 8000000f [#6] SMP ARM # [ 82.146429] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.175769] CPU: 0 PID: 1923 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 82.183783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.190584] PC is at 0xf096c000 # [ 82.194010] LR is at execute_location+0xa4/0xb4 # [ 82.198811] pc : [] lr : [] psr: 600e0013 # [ 82.205348] sp : c47bfe30 ip : 00000027 fp : c47bfe4c # [ 82.210843] r10: 0000000d r9 : c1acc904 r8 : c15e88e4 # [ 82.216336] r7 : c47bff60 r6 : 00000001 r5 : f096c000 r4 : c0c36090 # [ 82.223133] r3 : f7b7d1e5 r2 : f7b7d1e5 r1 : ef7815e4 r0 : 0000002b # [ 82.229931] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.237337] Control: 10c5387d Table: 15da004a DAC: 00000051 # [ 82.243354] Process cat (pid: 1923, stack limit = 0xfde7674a) # [ 82.249371] Stack: (0xc47bfe30 to 0xc47c0000) # [ 82.254002] fe20: f096c000 c6b7c000 0000000d c47bff60 # [ 82.262453] fe40: c47bfe64 c47bfe50 c0c36114 c135c4e0 00000022 c6b7c000 c47bfe74 c47bfe68 # [ 82.270905] fe60: c0c35320 c0c360f8 c47bfe9c c47bfe78 c0c35820 c0c35300 c0c35700 c5c4ef00 # [ 82.279356] fe80: b6dd6000 0000000d c50fdd80 c47bff60 c47bfec4 c47bfea0 c07e184c c0c3570c # [ 82.287806] fea0: 00000000 c5c4ef00 b6dd6000 c2815800 c47bff60 c07e17e8 c47bff5c c47bfec8 # [ 82.296256] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c47be000 # [ 82.304707] fee0: b6dd6000 00020000 00000004 0000000d 0001fff3 c47bfee0 00000001 b6dd5000 # [ 82.313156] ff00: c5abb400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.321606] ff20: 00000000 00000000 c1371d70 f7b7d1e5 c205c880 c5c4ef00 c5c4ef00 c47be000 # [ 82.330056] ff40: b6dd6000 00000000 00000000 00000004 c47bff94 c47bff60 c0599c20 c059958c # [ 82.338506] ff60: 00000000 00000000 c47bffac f7b7d1e5 0000000d 0000000d b6f1de00 00000004 # [ 82.346956] ff80: c03002e4 c47be000 c47bffa4 c47bff98 c0599cb0 c0599bb8 00000000 c47bffa8 # [ 82.355409] ffa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6dd6000 0000000d 00000000 # [ 82.363861] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64 # [ 82.372310] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000 # [ 82.380752] Backtrace: # [ 82.383492] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 82.392203] r7:c47bff60 r6:0000000d r5:c6b7c000 r4:f096c000 # [ 82.398138] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.406760] r5:c6b7c000 r4:00000022 # [ 82.410612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.418894] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.427085] r9:c47bff60 r8:c50fdd80 r7:0000000d r6:b6dd6000 r5:c5c4ef00 r4:c0c35700 # [ 82.435108] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 82.443211] r9:c07e17e8 r8:c47bff60 r7:c2815800 r6:b6dd6000 r5:c5c4ef00 r4:00000000 # [ 82.451228] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.458636] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c47be000 r5:c5c4ef00 # [ 82.466732] r4:c5c4ef00 # [ 82.469541] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.476948] r9:c47be000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:0000000d r4:0000000d # [ 82.484968] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.492806] Exception stack(0xc47bffa8 to 0xc47bfff0) # [ 82.498130] ffa0: 0000000d 0000000d 00000001 b6dd6000 0000000d 00000000 # [ 82.506581] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64 # [ 82.515027] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6 # [ 82.520357] Code: bad PC value # [ 82.523738] ---[ end trace 6556776c6b5d5064 ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh <6>[ 83.095215] lkdtm: Performing direct entry EXEC_RODATA <6>[ 83.100672] lkdtm: attempting ok execution at c0c36090 <6>[ 83.106248] lkdtm: attempting bad execution at c15e8b80 <1>[ 83.111885] 8<--- cut here --- <1>[ 83.115221] Unable to handle kernel paging request at virtual address c15e8b80 <1>[ 83.122715] pgd = 60a0c636 <1>[ 83.125692] [c15e8b80] *pgd=1141941e(bad) <0>[ 83.129993] Internal error: Oops: 8000000d [#7] SMP ARM <4>[ 83.135488] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 83.164826] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 83.172837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.179645] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 83.184975] LR is at execute_location+0xa4/0xb4 <4>[ 83.189775] pc : [] lr : [] psr: 600e0013 <4>[ 83.196311] sp : c69a1e38 ip : c69a1d40 fp : c69a1e54 <4>[ 83.201806] r10: 0000000c r9 : c1acc914 r8 : c15e88e4 <4>[ 83.207299] r7 : c69a1f60 r6 : 00000000 r5 : c15e8b80 r4 : c0c36090 <4>[ 83.214095] r3 : 2574ce76 r2 : 2574ce76 r1 : ef7c05e0 r0 : 0000002b <4>[ 83.220893] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.228296] Control: 10c5387d Table: 16ef804a DAC: 00000051 <0>[ 83.234311] Process cat (pid: 2000, stack limit = 0xd5788238) <0>[ 83.240326] Stack: (0xc69a1e38 to 0xc69a2000) <0>[ 83.244956] 1e20: 00000023 c6b79000 <0>[ 83.253409] 1e40: 0000000c c69a1f60 c69a1e64 c69a1e58 c135c760 c135c4e0 c69a1e74 c69a1e68 <0>[ 83.261859] 1e60: c0c35320 c135c748 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c47ba500 <0>[ 83.270310] 1e80: b6e4f000 0000000c c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c <0>[ 83.278760] 1ea0: 00000000 c47ba500 b6e4f000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8 <0>[ 83.287210] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000 <0>[ 83.295659] 1ee0: b6e4f000 00020000 00000004 0000000c 0001fff4 c69a1ee0 00000001 b6e4e000 <0>[ 83.304108] 1f00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.312559] 1f20: 00000000 00000000 c1371d70 2574ce76 c205c880 c47ba500 c47ba500 c69a0000 <0>[ 83.321011] 1f40: b6e4f000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c <0>[ 83.329461] 1f60: 00000000 00000000 c69a1fac 2574ce76 0000000c 0000000c b6f96e00 00000004 <0>[ 83.337913] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8 <0>[ 83.346364] 1fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4f000 0000000c 00000000 <0>[ 83.354814] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64 <0>[ 83.363265] 1fe0: 00000004 be823798 b6f014cf b6e877e6 800e0030 00000001 00000000 00000000 <0>[ 83.371707] Backtrace: <0>[ 83.374443] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 83.383068] r7:c69a1f60 r6:0000000c r5:c6b79000 r4:00000023 <0>[ 83.389008] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.397547] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.405830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.414022] r9:c69a1f60 r8:c50fdd80 r7:0000000c r6:b6e4f000 r5:c47ba500 r4:c0c35700 <0>[ 83.422046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 83.430149] r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e4f000 r5:c47ba500 r4:00000000 <0>[ 83.438165] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.445574] r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c69a0000 r5:c47ba500 <0>[ 83.453671] r4:c47ba500 <0>[ 83.456479] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.463888] r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000c r4:0000000c <0>[ 83.471909] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.479748] Exception stack(0xc69a1fa8 to 0xc69a1ff0) <0>[ 83.485073] 1fa0: 0000000c 0000000c 00000001 b6e4f000 0000000c 00000000 <0>[ 83.493523] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64 <0>[ 83.501973] 1fe0: 00000004 be823798 b6f014cf b6e877e6 <0>[ 83.507299] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 83.513668] ---[ end trace 6556776c6b5d5065 ]--- # Segmentation fault # [ 83.095215] lkdtm: Performing direct entry EXEC_RODATA # [ 83.100672] lkdtm: attempting ok execution at c0c36090 # [ 83.106248] lkdtm: attempting bad execution at c15e8b80 # [ 83.111885] 8<--- cut here --- # [ 83.115221] Unable to handle kernel paging request at virtual address c15e8b80 # [ 83.122715] pgd = 60a0c636 # [ 83.125692] [c15e8b80] *pgd=1141941e(bad) # [ 83.129993] Internal error: Oops: 8000000d [#7] SMP ARM # [ 83.135488] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.164826] CPU: 3 PID: 2000 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 83.172837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.179645] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 83.184975] LR is at execute_location+0xa4/0xb4 # [ 83.189775] pc : [] lr : [] psr: 600e0013 # [ 83.196311] sp : c69a1e38 ip : c69a1d40 fp : c69a1e54 # [ 83.201806] r10: 0000000c r9 : c1acc914 r8 : c15e88e4 # [ 83.207299] r7 : c69a1f60 r6 : 00000000 r5 : c15e8b80 r4 : c0c36090 # [ 83.214095] r3 : 2574ce76 r2 : 2574ce76 r1 : ef7c05e0 r0 : 0000002b # [ 83.220893] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.228296] Control: 10c5387d Table: 16ef804a DAC: 00000051 # [ 83.234311] Process cat (pid: 2000, stack limit = 0xd5788238) # [ 83.240326] Stack: (0xc69a1e38 to 0xc69a2000) # [ 83.244956] 1e20: 00000023 c6b79000 # [ 83.253409] 1e40: 0000000c c69a1f60 c69a1e64 c69a1e58 c135c760 c135c4e0 c69a1e74 c69a1e68 # [ 83.261859] 1e60: c0c35320 c135c748 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c47ba500 # [ 83.270310] 1e80: b6e4f000 0000000c c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c # [ 83.278760] 1ea0: 00000000 c47ba500 b6e4f000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8 # [ 83.287210] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000 # [ 83.295659] 1ee0: b6e4f000 00020000 00000004 0000000c 0001fff4 c69a1ee0 00000001 b6e4e000 # [ 83.304108] 1f00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.312559] 1f20: 00000000 00000000 c1371d70 2574ce76 c205c880 c47ba500 c47ba500 c69a0000 # [ 83.321011] 1f40: b6e4f000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c # [ 83.329461] 1f60: 00000000 00000000 c69a1fac 2574ce76 0000000c 0000000c b6f96e00 00000004 # [ 83.337913] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8 # [ 83.346364] 1fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4f000 0000000c 00000000 # [ 83.354814] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64 # [ 83.363265] 1fe0: 00000004 be823798 b6f014cf b6e877e6 800e0030 00000001 00000000 00000000 # [ 83.371707] Backtrace: # [ 83.374443] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 83.383068] r7:c69a1f60 r6:0000000c r5:c6b79000 r4:00000023 # [ 83.389008] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.397547] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.405830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.414022] r9:c69a1f60 r8:c50fdd80 r7:0000000c r6:b6e4f000 r5:c47ba500 r4:c0c35700 # [ 83.422046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 83.430149] r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e4f000 r5:c47ba500 r4:00000000 # [ 83.438165] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.445574] r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c69a0000 r5:c47ba500 # [ 83.453671] r4:c47ba500 # [ 83.456479] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.463888] r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000c r4:0000000c # [ 83.471909] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.479748] Exception stack(0xc69a1fa8 to 0xc69a1ff0) # [ 83.485073] 1fa0: 0000000c 0000000c 00000001 b6e4f000 0000000c 00000000 # [ 83.493523] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64 # [ 83.501973] 1fe0: 00000004 be823798 b6f014cf b6e877e6 # [ 83.507299] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 83.513668] ---[ end trace 6556776c6b5d5065 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.<6>[ 84.059594] lkdtm: Performing direct entry EXEC_USERSPACE sh <6>[ 84.065629] lkdtm: attempting ok execution at c0c36090 <6>[ 84.071432] lkdtm: attempting bad execution at b6f80000 <1>[ 84.076938] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f80000 <0>[ 84.084350] Internal error: : b [#8] SMP ARM <4>[ 84.088892] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 84.118233] CPU: 0 PID: 2076 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 84.126245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.133046] PC is at 0xb6f80000 <4>[ 84.136465] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 84.141614] pc : [] lr : [] psr: 600e0013 <4>[ 84.148149] sp : c5aa7e48 ip : 00000027 fp : c5aa7e64 <4>[ 84.153643] r10: 0000000f r9 : c1acc920 r8 : c15e88e4 <4>[ 84.159137] r7 : c5aa7f60 r6 : 0000000f r5 : c5b63000 r4 : b6f80000 <4>[ 84.165933] r3 : e2acaff4 r2 : e2acaff4 r1 : ef7815e4 r0 : 0000002b <4>[ 84.172732] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 84.180137] Control: 10c5387d Table: 16f6c04a DAC: 00000051 <0>[ 84.186153] Process cat (pid: 2076, stack limit = 0xe6cda620) <0>[ 84.192169] Stack: (0xc5aa7e48 to 0xc5aa8000) <0>[ 84.196801] 7e40: 00000001 00000000 0000000f 00000024 c5aa7e74 c5aa7e68 <0>[ 84.205251] 7e60: c0c35320 c0c3612c c5aa7e9c c5aa7e78 c0c35820 c0c35300 c0c35700 c5abb680 <0>[ 84.213702] 7e80: b6e3a000 0000000f c50fdd80 c5aa7f60 c5aa7ec4 c5aa7ea0 c07e184c c0c3570c <0>[ 84.222153] 7ea0: 00000000 c5abb680 b6e3a000 c2815800 c5aa7f60 c07e17e8 c5aa7f5c c5aa7ec8 <0>[ 84.230603] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5aa6000 <0>[ 84.239054] 7ee0: b6e3a000 00020000 00000004 0000000f 0001fff1 c5aa7ee0 00000001 b6e39000 <0>[ 84.247502] 7f00: c5a86b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 84.255952] 7f20: 00000000 00000000 c1371d70 e2acaff4 c205c880 c5abb680 c5abb680 c5aa6000 <0>[ 84.264401] 7f40: b6e3a000 00000000 00000000 00000004 c5aa7f94 c5aa7f60 c0599c20 c059958c <0>[ 84.272850] 7f60: 00000000 00000000 c5aa7fac e2acaff4 0000000f 0000000f b6f81e00 00000004 <0>[ 84.281301] 7f80: c03002e4 c5aa6000 c5aa7fa4 c5aa7f98 c0599cb0 c0599bb8 00000000 c5aa7fa8 <0>[ 84.289751] 7fa0: c03000c0 c0599ca4 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 <0>[ 84.298200] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64 <0>[ 84.306652] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6 800e0030 00000001 00000000 00000000 <0>[ 84.315094] Backtrace: <0>[ 84.317827] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.326622] r4:00000024 <0>[ 84.329432] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.337716] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.345907] r9:c5aa7f60 r8:c50fdd80 r7:0000000f r6:b6e3a000 r5:c5abb680 r4:c0c35700 <0>[ 84.353929] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 84.362032] r9:c07e17e8 r8:c5aa7f60 r7:c2815800 r6:b6e3a000 r5:c5abb680 r4:00000000 <0>[ 84.370049] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.377456] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c5aa6000 r5:c5abb680 <0>[ 84.385553] r4:c5abb680 <0>[ 84.388361] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.395770] r9:c5aa6000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:0000000f r4:0000000f <0>[ 84.403788] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.411625] Exception stack(0xc5aa7fa8 to 0xc5aa7ff0) <0>[ 84.416949] 7fa0: 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 <0>[ 84.425399] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64 <0>[ 84.433845] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6 <0>[ 84.439173] Code: bad PC value <4>[ 84.442505] ---[ end trace 6556776c6b5d5066 ]--- # Segmentation fault # [ 84.059594] lkdtm: Performing direct entry EXEC_USERSPACE # [ 84.065629] lkdtm: attempting ok execution at c0c36090 # [ 84.071432] lkdtm: attempting bad execution at b6f80000 # [ 84.076938] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f80000 # [ 84.084350] Internal error: : b [#8] SMP ARM # [ 84.088892] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.118233] CPU: 0 PID: 2076 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 84.126245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.133046] PC is at 0xb6f80000 # [ 84.136465] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 84.141614] pc : [] lr : [] psr: 600e0013 # [ 84.148149] sp : c5aa7e48 ip : 00000027 fp : c5aa7e64 # [ 84.153643] r10: 0000000f r9 : c1acc920 r8 : c15e88e4 # [ 84.159137] r7 : c5aa7f60 r6 : 0000000f r5 : c5b63000 r4 : b6f80000 # [ 84.165933] r3 : e2acaff4 r2 : e2acaff4 r1 : ef7815e4 r0 : 0000002b # [ 84.172732] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.180137] Control: 10c5387d Table: 16f6c04a DAC: 00000051 # [ 84.186153] Process cat (pid: 2076, stack limit = 0xe6cda620) # [ 84.192169] Stack: (0xc5aa7e48 to 0xc5aa8000) # [ 84.196801] 7e40: 00000001 00000000 0000000f 00000024 c5aa7e74 c5aa7e68 # [ 84.205251] 7e60: c0c35320 c0c3612c c5aa7e9c c5aa7e78 c0c35820 c0c35300 c0c35700 c5abb680 # [ 84.213702] 7e80: b6e3a000 0000000f c50fdd80 c5aa7f60 c5aa7ec4 c5aa7ea0 c07e184c c0c3570c # [ 84.222153] 7ea0: 00000000 c5abb680 b6e3a000 c2815800 c5aa7f60 c07e17e8 c5aa7f5c c5aa7ec8 # [ 84.230603] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5aa6000 # [ 84.239054] 7ee0: b6e3a000 00020000 00000004 0000000f 0001fff1 c5aa7ee0 00000001 b6e39000 # [ 84.247502] 7f00: c5a86b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.255952] 7f20: 00000000 00000000 c1371d70 e2acaff4 c205c880 c5abb680 c5abb680 c5aa6000 # [ 84.264401] 7f40: b6e3a000 00000000 00000000 00000004 c5aa7f94 c5aa7f60 c0599c20 c059958c # [ 84.272850] 7f60: 00000000 00000000 c5aa7fac e2acaff4 0000000f 0000000f b6f81e00 00000004 # [ 84.281301] 7f80: c03002e4 c5aa6000 c5aa7fa4 c5aa7f98 c0599cb0 c0599bb8 00000000 c5aa7fa8 # [ 84.289751] 7fa0: c03000c0 c0599ca4 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 # [ 84.298200] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64 # [ 84.306652] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6 800e0030 00000001 00000000 00000000 # [ 84.315094] Backtrace: # [ 84.317827] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.326622] r4:00000024 # [ 84.329432] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.337716] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.345907] r9:c5aa7f60 r8:c50fdd80 r7:0000000f r6:b6e3a000 r5:c5abb680 r4:c0c35700 # [ 84.353929] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 84.362032] r9:c07e17e8 r8:c5aa7f60 r7:c2815800 r6:b6e3a000 r5:c5abb680 r4:00000000 # [ 84.370049] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.377456] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c5aa6000 r5:c5abb680 # [ 84.385553] r4:c5abb680 # [ 84.388361] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.395770] r9:c5aa6000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:0000000f r4:0000000f # [ 84.403788] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.411625] Exception stack(0xc5aa7fa8 to 0xc5aa7ff0) # [ 84.416949] 7fa0: 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 # [ 84.425399] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64 # [ 84.433845] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6 # [ 84.439173] Code: bad PC value # [ 84.442505] ---[ end trace 6556776c6b5d5066 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 self<6>[ 84.976930] lkdtm: Performing direct entry EXEC_NULL tests: lkdtm: EXEC_USERSPACE.sh #<6>[ 84.982862] lkdtm: attempting ok execution at c0c36090 exit=1 # selftests: lkdtm: EXEC<6>[ 84.991072] lkdtm: attempting bad execution at 00000000 _NULL.sh <1>[ 84.999414] 8<--- cut here --- <1>[ 85.003606] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 85.013184] pgd = c28363ca <1>[ 85.016232] [00000000] *pgd=00000000 <0>[ 85.020104] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 85.025601] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.054943] CPU: 0 PID: 2147 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 85.062955] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.069756] PC is at 0x0 <4>[ 85.072571] LR is at execute_location+0xa4/0xb4 <4>[ 85.077372] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 85.083908] sp : c69a1e38 ip : c69a1d40 fp : c69a1e54 <4>[ 85.089401] r10: 0000000a r9 : c1acc930 r8 : c15e88e4 <4>[ 85.094896] r7 : c69a1f60 r6 : 00000000 r5 : 00000000 r4 : c0c36090 <4>[ 85.101691] r3 : a0514dc2 r2 : a0514dc2 r1 : ef7815e0 r0 : 0000002b <4>[ 85.108490] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 85.115894] Control: 10c5387d Table: 16ee004a DAC: 00000051 <0>[ 85.121911] Process cat (pid: 2147, stack limit = 0xd5788238) <0>[ 85.127927] Stack: (0xc69a1e38 to 0xc69a2000) <0>[ 85.132557] 1e20: 00000025 c5b63000 <0>[ 85.141009] 1e40: 0000000a c69a1f60 c69a1e64 c69a1e58 c135c784 c135c4e0 c69a1e74 c69a1e68 <0>[ 85.149460] 1e60: c0c35320 c135c770 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c5d5a140 <0>[ 85.157910] 1e80: b6e23000 0000000a c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c <0>[ 85.166360] 1ea0: 00000000 c5d5a140 b6e23000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8 <0>[ 85.174810] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000 <0>[ 85.183259] 1ee0: b6e23000 00020000 00000004 0000000a 0001fff6 c69a1ee0 00000001 b6e22000 <0>[ 85.191709] 1f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 85.200159] 1f20: 00000000 00000000 c1371d70 a0514dc2 c205c880 c5d5a140 c5d5a140 c69a0000 <0>[ 85.208610] 1f40: b6e23000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c <0>[ 85.217061] 1f60: 00000000 00000000 c69a1fac a0514dc2 0000000a 0000000a b6f6ae00 00000004 <0>[ 85.225513] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8 <0>[ 85.233963] 1fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e23000 0000000a 00000000 <0>[ 85.242413] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64 <0>[ 85.250863] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6 800e0030 00000001 00000000 00000000 <0>[ 85.259305] Backtrace: <0>[ 85.262040] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 85.270491] r7:c69a1f60 r6:0000000a r5:c5b63000 r4:00000025 <0>[ 85.276431] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 85.284797] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 85.293082] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 85.301271] r9:c69a1f60 r8:c50fdd80 r7:0000000a r6:b6e23000 r5:c5d5a140 r4:c0c35700 <0>[ 85.309294] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 85.317397] r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e23000 r5:c5d5a140 r4:00000000 <0>[ 85.325413] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.332821] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c69a0000 r5:c5d5a140 <0>[ 85.340919] r4:c5d5a140 <0>[ 85.343728] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.351135] r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:0000000a r4:0000000a <0>[ 85.359156] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.366993] Exception stack(0xc69a1fa8 to 0xc69a1ff0) <0>[ 85.372317] 1fa0: 0000000a 0000000a 00000001 b6e23000 0000000a 00000000 <0>[ 85.380767] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64 <0>[ 85.389214] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6 <0>[ 85.394540] Code: bad PC value <4>[ 85.397920] ---[ end trace 6556776c6b5d5067 ]--- # Segmentation fault # [ 84.976930] lkdtm: Performing direct entry EXEC_NULL # [ 84.982862] lkdtm: attempting ok execution at c0c36090 # [ 84.991072] lkdtm: attempting bad execution at 00000000 # [ 84.999414] 8<--- cut here --- # [ 85.003606] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 85.013184] pgd = c28363ca # [ 85.016232] [00000000] *pgd=00000000 # [ 85.020104] Internal error: Oops: 80000005 [#9] SMP ARM # [ 85.025601] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.054943] CPU: 0 PID: 2147 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 85.062955] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.069756] PC is at 0x0 # [ 85.072571] LR is at execute_location+0xa4/0xb4 # [ 85.077372] pc : [<00000000>] lr : [] psr: 600e0013 # [ 85.083908] sp : c69a1e38 ip : c69a1d40 fp : c69a1e54 # [ 85.089401] r10: 0000000a r9 : c1acc930 r8 : c15e88e4 # [ 85.094896] r7 : c69a1f60 r6 : 00000000 r5 : 00000000 r4 : c0c36090 # [ 85.101691] r3 : a0514dc2 r2 : a0514dc2 r1 : ef7815e0 r0 : 0000002b # [ 85.108490] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.115894] Control: 10c5387d Table: 16ee004a DAC: 00000051 # [ 85.121911] Process cat (pid: 2147, stack limit = 0xd5788238) # [ 85.127927] Stack: (0xc69a1e38 to 0xc69a2000) # [ 85.132557] 1e20: 00000025 c5b63000 # [ 85.141009] 1e40: 0000000a c69a1f60 c69a1e64 c69a1e58 c135c784 c135c4e0 c69a1e74 c69a1e68 # [ 85.149460] 1e60: c0c35320 c135c770 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c5d5a140 # [ 85.157910] 1e80: b6e23000 0000000a c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c # [ 85.166360] 1ea0: 00000000 c5d5a140 b6e23000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8 # [ 85.174810] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000 # [ 85.183259] 1ee0: b6e23000 00020000 00000004 0000000a 0001fff6 c69a1ee0 00000001 b6e22000 # [ 85.191709] 1f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.200159] 1f20: 00000000 00000000 c1371d70 a0514dc2 c205c880 c5d5a140 c5d5a140 c69a0000 # [ 85.208610] 1f40: b6e23000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c # [ 85.217061] 1f60: 00000000 00000000 c69a1fac a0514dc2 0000000a 0000000a b6f6ae00 00000004 # [ 85.225513] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8 # [ 85.233963] 1fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e23000 0000000a 00000000 # [ 85.242413] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64 # [ 85.250863] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6 800e0030 00000001 00000000 00000000 # [ 85.259305] Backtrace: # [ 85.262040] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 85.270491] r7:c69a1f60 r6:0000000a r5:c5b63000 r4:00000025 # [ 85.276431] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.284797] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.293082] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.301271] r9:c69a1f60 r8:c50fdd80 r7:0000000a r6:b6e23000 r5:c5d5a140 r4:c0c35700 # [ 85.309294] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 85.317397] r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e23000 r5:c5d5a140 r4:00000000 # [ 85.325413] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.332821] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c69a0000 r5:c5d5a140 # [ 85.340919] r4:c5d5a140 # [ 85.343728] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.351135] r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:0000000a r4:0000000a # [ 85.359156] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.366993] Exception stack(0xc69a1fa8 to 0xc69a1ff0) # [ 85.372317] 1fa0: 0000000a 0000000a 00000001 b6e23000 0000000a 00000000 # [ 85.380767] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64 # [ 85.389214] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6 # [ 85.394540] Code: bad PC value # [ 85.397920] ---[ end trace 6556776c6b5d5067 ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftests: lkdtm: ACCESS_USERSPACE<6>[ 85.939260] lkdtm: Performing direct entry ACCESS_USERSPACE .sh <6>[ 85.946490] lkdtm: attempting bad read at b6f1a000 <1>[ 85.951860] 8<--- cut here --- <1>[ 85.955211] Unhandled fault: page domain fault (0x01b) at 0xb6f1a000 <1>[ 85.961864] pgd = 0b187fc0 <1>[ 85.964850] [b6f1a000] *pgd=494cc831 <0>[ 85.968716] Internal error: : 1b [#10] SMP ARM <4>[ 85.973432] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 86.002752] CPU: 3 PID: 2223 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 86.010764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.017573] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 86.023081] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 86.028402] pc : [] lr : [] psr: 600e0013 <4>[ 86.034939] sp : c6ab7e38 ip : c6ab7d40 fp : c6ab7e64 <4>[ 86.040434] r10: 00000011 r9 : c1acc93c r8 : c15e88e4 <4>[ 86.045928] r7 : c6ab7f60 r6 : 00000051 r5 : c6ab6000 r4 : b6f1a000 <4>[ 86.052725] r3 : 63552d5e r2 : 63552d5e r1 : ef7c05e0 r0 : 00000026 <4>[ 86.059522] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 86.066929] Control: 10c5387d Table: 16e9804a DAC: 00000051 <0>[ 86.072947] Process cat (pid: 2223, stack limit = 0x3f970bf6) <0>[ 86.078965] Stack: (0xc6ab7e38 to 0xc6ab8000) <0>[ 86.083593] 7e20: 00000022 00000000 <0>[ 86.092046] 7e40: 00000000 63552d5e c6ab7e6c 00000026 c69ed000 00000011 c6ab7e74 c6ab7e68 <0>[ 86.100498] 7e60: c0c35320 c0c36200 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5abb400 <0>[ 86.108950] 7e80: b6dd4000 00000011 c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c <0>[ 86.117401] 7ea0: 00000000 c5abb400 b6dd4000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8 <0>[ 86.125851] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000 <0>[ 86.134302] 7ee0: b6dd4000 00020000 00000004 00000011 0001ffef c6ab7ee0 00000001 b6dd3000 <0>[ 86.142752] 7f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 86.151201] 7f20: 00000000 00000000 c1371d70 63552d5e c205c880 c5abb400 c5abb400 c6ab6000 <0>[ 86.159651] 7f40: b6dd4000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c <0>[ 86.168100] 7f60: 00000000 00000000 c6ab7fac 63552d5e 00000011 00000011 b6f1be00 00000004 <0>[ 86.176551] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8 <0>[ 86.185000] 7fa0: c03000c0 c0599ca4 00000011 00000011 00000001 b6dd4000 00000011 00000000 <0>[ 86.193448] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64 <0>[ 86.201898] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6 800e0030 00000001 00000000 00000000 <0>[ 86.210343] Backtrace: <0>[ 86.213078] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 86.222050] r6:00000011 r5:c69ed000 r4:00000026 <0>[ 86.226943] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 86.235229] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 86.243422] r9:c6ab7f60 r8:c50fdd80 r7:00000011 r6:b6dd4000 r5:c5abb400 r4:c0c35700 <0>[ 86.251447] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 86.259550] r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6dd4000 r5:c5abb400 r4:00000000 <0>[ 86.267568] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 86.274977] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ab6000 r5:c5abb400 <0>[ 86.283075] r4:c5abb400 <0>[ 86.285884] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 86.293294] r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000011 r4:00000011 <0>[ 86.301315] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 86.309152] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0) <0>[ 86.314478] 7fa0: 00000011 00000011 00000001 b6dd4000 00000011 00000000 <0>[ 86.322929] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64 <0>[ 86.331376] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6 <0>[ 86.336702] Code: e1a01004 e30d0860 e34c01ac eb1c6d2c (e5943000) <4>[ 86.343071] ---[ end trace 6556776c6b5d5068 ]--- # Segmentation fault # [ 85.939260] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 85.946490] lkdtm: attempting bad read at b6f1a000 # [ 85.951860] 8<--- cut here --- # [ 85.955211] Unhandled fault: page domain fault (0x01b) at 0xb6f1a000 # [ 85.961864] pgd = 0b187fc0 # [ 85.964850] [b6f1a000] *pgd=494cc831 # [ 85.968716] Internal error: : 1b [#10] SMP ARM # [ 85.973432] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.002752] CPU: 3 PID: 2223 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 86.010764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.017573] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 86.023081] LR is at __irq_work_queue_local+0x40/0x74 # [ 86.028402] pc : [] lr : [] psr: 600e0013 # [ 86.034939] sp : c6ab7e38 ip : c6ab7d40 fp : c6ab7e64 # [ 86.040434] r10: 00000011 r9 : c1acc93c r8 : c15e88e4 # [ 86.045928] r7 : c6ab7f60 r6 : 00000051 r5 : c6ab6000 r4 : b6f1a000 # [ 86.052725] r3 : 63552d5e r2 : 63552d5e r1 : ef7c05e0 r0 : 00000026 # [ 86.059522] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.066929] Control: 10c5387d Table: 16e9804a DAC: 00000051 # [ 86.072947] Process cat (pid: 2223, stack limit = 0x3f970bf6) # [ 86.078965] Stack: (0xc6ab7e38 to 0xc6ab8000) # [ 86.083593] 7e20: 00000022 00000000 # [ 86.092046] 7e40: 00000000 63552d5e c6ab7e6c 00000026 c69ed000 00000011 c6ab7e74 c6ab7e68 # [ 86.100498] 7e60: c0c35320 c0c36200 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5abb400 # [ 86.108950] 7e80: b6dd4000 00000011 c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c # [ 86.117401] 7ea0: 00000000 c5abb400 b6dd4000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8 # [ 86.125851] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000 # [ 86.134302] 7ee0: b6dd4000 00020000 00000004 00000011 0001ffef c6ab7ee0 00000001 b6dd3000 # [ 86.142752] 7f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 86.151201] 7f20: 00000000 00000000 c1371d70 63552d5e c205c880 c5abb400 c5abb400 c6ab6000 # [ 86.159651] 7f40: b6dd4000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c # [ 86.168100] 7f60: 00000000 00000000 c6ab7fac 63552d5e 00000011 00000011 b6f1be00 00000004 # [ 86.176551] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8 # [ 86.185000] 7fa0: c03000c0 c0599ca4 00000011 00000011 00000001 b6dd4000 00000011 00000000 # [ 86.193448] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64 # [ 86.201898] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6 800e0030 00000001 00000000 00000000 # [ 86.210343] Backtrace: # [ 86.213078] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.222050] r6:00000011 r5:c69ed000 r4:00000026 # [ 86.226943] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.235229] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.243422] r9:c6ab7f60 r8:c50fdd80 r7:00000011 r6:b6dd4000 r5:c5abb400 r4:c0c35700 # [ 86.251447] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 86.259550] r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6dd4000 r5:c5abb400 r4:00000000 # [ 86.267568] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.274977] r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ab6000 r5:c5abb400 # [ 86.283075] r4:c5abb400 # [ 86.285884] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.293294] r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000011 r4:00000011 # [ 86.301315] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.309152] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0) # [ 86.314478] 7fa0: 00000011 00000011 00000001 b6dd4000 00000011 00000000 # [ 86.322929] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64 # [ 86.331376] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6 # [ 86.336702] Code: e1a01004 e30d0860 e34c01ac eb1c6d2c (e5943000) # [ 86.343071] ---[ end trace 655<6>[ 86.913509] lkdtm: Performing direct entry ACCESS_NULL 6776c6b5d5068 ]--- # ACCS[_ 86.920814] lkdtm: attempting bad read at 00000000 USERSPACE: missing 'call trace:':<1>[ 86.928383] 8<--- cut here --- [FAIL] not ok 37 selftests: lkd<1>[ 86.934544] Unable to handle kernel NULL pointer dereference at virtual address 00000000 tm: ACCESS_USERSPACE.sh # exit=1 <1>[ 86.945754] pgd = 8623b32d # selftests: lkdtm: ACCESS_NULL.<1>[ 86.951559] [00000000] *pgd=00000000 sh <0>[ 86.958229] Internal error: Oops: 5 [#11] SMP ARM <4>[ 86.963533] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 86.992854] CPU: 2 PID: 2298 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 87.000867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.007681] PC is at lkdtm_ACCESS_NULL+0x28/0x68 <4>[ 87.012581] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 87.017902] pc : [] lr : [] psr: 600e0013 <4>[ 87.024439] sp : c5c29e50 ip : c5c29d58 fp : c5c29e64 <4>[ 87.029932] r10: 0000000c r9 : c1acc950 r8 : c15e88e4 <4>[ 87.035425] r7 : c5c29f60 r6 : 0000000c r5 : c6bff000 r4 : 00000000 <4>[ 87.042221] r3 : 8a0dd31f r2 : 8a0dd31f r1 : ef7ab5e0 r0 : 00000026 <4>[ 87.049019] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 87.056425] Control: 10c5387d Table: 16d8804a DAC: 00000051 <0>[ 87.062443] Process cat (pid: 2298, stack limit = 0xcbf8e4dd) <0>[ 87.068460] Stack: (0xc5c29e50 to 0xc5c2a000) <0>[ 87.073091] 9e40: 00000027 c6bff000 c5c29e74 c5c29e68 <0>[ 87.081542] 9e60: c0c35320 c135c794 c5c29e9c c5c29e78 c0c35820 c0c35300 c0c35700 c5d5b400 <0>[ 87.089993] 9e80: b6e4a000 0000000c c50fdd80 c5c29f60 c5c29ec4 c5c29ea0 c07e184c c0c3570c <0>[ 87.098444] 9ea0: 00000000 c5d5b400 b6e4a000 c2815800 c5c29f60 c07e17e8 c5c29f5c c5c29ec8 <0>[ 87.106895] 9ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c28000 <0>[ 87.115345] 9ee0: b6e4a000 00020000 00000004 0000000c 0001fff4 c5c29ee0 00000001 b6e49000 <0>[ 87.123795] 9f00: c6abe000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 87.132247] 9f20: 00000000 00000000 c1371d70 8a0dd31f c205c880 c5d5b400 c5d5b400 c5c28000 <0>[ 87.140697] 9f40: b6e4a000 00000000 00000000 00000004 c5c29f94 c5c29f60 c0599c20 c059958c <0>[ 87.149148] 9f60: 00000000 00000000 c5c29fac 8a0dd31f 0000000c 0000000c b6f91e00 00000004 <0>[ 87.157597] 9f80: c03002e4 c5c28000 c5c29fa4 c5c29f98 c0599cb0 c0599bb8 00000000 c5c29fa8 <0>[ 87.166048] 9fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4a000 0000000c 00000000 <0>[ 87.174496] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64 <0>[ 87.182947] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6 800e0030 00000001 00000000 00000000 <0>[ 87.191391] Backtrace: <0>[ 87.194127] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 87.202664] r5:c6bff000 r4:00000027 <0>[ 87.206515] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 87.214799] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 87.222991] r9:c5c29f60 r8:c50fdd80 r7:0000000c r6:b6e4a000 r5:c5d5b400 r4:c0c35700 <0>[ 87.231016] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 87.239121] r9:c07e17e8 r8:c5c29f60 r7:c2815800 r6:b6e4a000 r5:c5d5b400 r4:00000000 <0>[ 87.247136] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 87.254546] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c5c28000 r5:c5d5b400 <0>[ 87.262642] r4:c5d5b400 <0>[ 87.265451] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 87.272860] r9:c5c28000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000000c r4:0000000c <0>[ 87.280882] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 87.288721] Exception stack(0xc5c29fa8 to 0xc5c29ff0) <0>[ 87.294045] 9fa0: 0000000c 0000000c 00000001 b6e4a000 0000000c 00000000 <0>[ 87.302497] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64 <0>[ 87.310945] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6 <0>[ 87.316272] Code: e30d0860 e34c01ac e1a01004 ebffd402 (e5945000) <4>[ 87.322716] ---[ end trace 6556776c6b5d5069 ]--- # Segmentation fault # [ 86.913509] lkdtm: Performing direct entry ACCESS_NULL # [ 86.920814] lkdtm: attempting bad read at 00000000 # [ 86.928383] 8<--- cut here --- # [ 86.934544] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 86.945754] pgd = 8623b32d # [ 86.951559] [00000000] *pgd=00000000 # [ 86.958229] Internal error: Oops: 5 [#11] SMP ARM # [ 86.963533] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.992854] CPU: 2 PID: 2298 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 87.000867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.007681] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 87.012581] LR is at __irq_work_queue_local+0x40/0x74 # [ 87.017902] pc : [] lr : [] psr: 600e0013 # [ 87.024439] sp : c5c29e50 ip : c5c29d58 fp : c5c29e64 # [ 87.029932] r10: 0000000c r9 : c1acc950 r8 : c15e88e4 # [ 87.035425] r7 : c5c29f60 r6 : 0000000c r5 : c6bff000 r4 : 00000000 # [ 87.042221] r3 : 8a0dd31f r2 : 8a0dd31f r1 : ef7ab5e0 r0 : 00000026 # [ 87.049019] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.056425] Control: 10c5387d Table: 16d8804a DAC: 00000051 # [ 87.062443] Process cat (pid: 2298, stack limit = 0xcbf8e4dd) # [ 87.068460] Stack: (0xc5c29e50 to 0xc5c2a000) # [ 87.073091] 9e40: 00000027 c6bff000 c5c29e74 c5c29e68 # [ 87.081542] 9e60: c0c35320 c135c794 c5c29e9c c5c29e78 c0c35820 c0c35300 c0c35700 c5d5b400 # [ 87.089993] 9e80: b6e4a000 0000000c c50fdd80 c5c29f60 c5c29ec4 c5c29ea0 c07e184c c0c3570c # [ 87.098444] 9ea0: 00000000 c5d5b400 b6e4a000 c2815800 c5c29f60 c07e17e8 c5c29f5c c5c29ec8 # [ 87.106895] 9ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c28000 # [ 87.115345] 9ee0: b6e4a000 00020000 00000004 0000000c 0001fff4 c5c29ee0 00000001 b6e49000 # [ 87.123795] 9f00: c6abe000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.132247] 9f20: 00000000 00000000 c1371d70 8a0dd31f c205c880 c5d5b400 c5d5b400 c5c28000 # [ 87.140697] 9f40: b6e4a000 00000000 00000000 00000004 c5c29f94 c5c29f60 c0599c20 c059958c # [ 87.149148] 9f60: 00000000 00000000 c5c29fac 8a0dd31f 0000000c 0000000c b6f91e00 00000004 # [ 87.157597] 9f80: c03002e4 c5c28000 c5c29fa4 c5c29f98 c0599cb0 c0599bb8 00000000 c5c29fa8 # [ 87.166048] 9fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4a000 0000000c 00000000 # [ 87.174496] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64 # [ 87.182947] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6 800e0030 00000001 00000000 00000000 # [ 87.191391] Backtrace: # [ 87.194127] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.202664] r5:c6bff000 r4:00000027 # [ 87.206515] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.214799] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.222991] r9:c5c29f60 r8:c50fdd80 r7:0000000c r6:b6e4a000 r5:c5d5b400 r4:c0c35700 # [ 87.231016] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 87.239121] r9:c07e17e8 r8:c5c29f60 r7:c2815800 r6:b6e4a000 r5:c5d5b400 r4:00000000 # [ 87.247136] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.254546] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c5c28000 r5:c5d5b400 # [ 87.262642] r4:c5d5b400 # [ 87.265451] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.272860] r9:c5c28000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000000c r4:0000000c # [ 87.280882] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.288721] Exception stack(0xc5c29fa8 to 0xc5c29ff0) # [ 87.294045] 9fa0: 0000000c 0000000c 00000001 b6e4a000 0000000c 00000000 # [ 87.302497] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64 # [ 87.310945] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6 # [ 87.316272] Code: e30d0860 e34c01ac e1a01004 ebffd402 (e5945000) # [ 87.322716] ---[ end trace 6556776c6b5d5069 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh <6>[ 87.915315] lkdtm: Performing direct entry WRITE_RO <6>[ 87.920508] lkdtm: attempting bad rodata write at c15e8b7c <1>[ 87.926383] 8<--- cut here --- <1>[ 87.929712] Unable to handle kernel paging request at virtual address c15e8b7c <1>[ 87.937205] pgd = 35aa4383 <1>[ 87.940182] [c15e8b7c] *pgd=1141941e(bad) <0>[ 87.944482] Internal error: Oops: 80d [#12] SMP ARM <4>[ 87.949632] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 87.978971] CPU: 3 PID: 2372 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 87.986982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.993793] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 87.998433] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 88.003755] pc : [] lr : [] psr: 600e0013 <4>[ 88.010290] sp : c5a51e50 ip : c5a51d58 fp : c5a51e64 <4>[ 88.015783] r10: 00000009 r9 : c1acc95c r8 : c15e88e4 <4>[ 88.021277] r7 : c5a51f60 r6 : 00000009 r5 : c69eb000 r4 : c15e8b7c <4>[ 88.028072] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1acd760 <4>[ 88.034870] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 88.042274] Control: 10c5387d Table: 16ee404a DAC: 00000051 <0>[ 88.048289] Process cat (pid: 2372, stack limit = 0xeb342bcd) <0>[ 88.054305] Stack: (0xc5a51e50 to 0xc5a52000) <0>[ 88.058937] 1e40: 00000028 c69eb000 c5a51e74 c5a51e68 <0>[ 88.067388] 1e60: c0c35320 c135c594 c5a51e9c c5a51e78 c0c35820 c0c35300 c0c35700 c5abbe00 <0>[ 88.075839] 1e80: b6e87000 00000009 c50fdd80 c5a51f60 c5a51ec4 c5a51ea0 c07e184c c0c3570c <0>[ 88.084290] 1ea0: 00000000 c5abbe00 b6e87000 c2815800 c5a51f60 c07e17e8 c5a51f5c c5a51ec8 <0>[ 88.092740] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5a50000 <0>[ 88.101189] 1ee0: b6e87000 00020000 00000004 00000009 0001fff7 c5a51ee0 00000001 b6e86000 <0>[ 88.109639] 1f00: c5d5af00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 88.118090] 1f20: 00000000 00000000 c1371d70 f536c42c c205c880 c5abbe00 c5abbe00 c5a50000 <0>[ 88.126542] 1f40: b6e87000 00000000 00000000 00000004 c5a51f94 c5a51f60 c0599c20 c059958c <0>[ 88.134993] 1f60: 00000000 00000000 c5a51fac f536c42c 00000009 00000009 b6fcee00 00000004 <0>[ 88.143444] 1f80: c03002e4 c5a50000 c5a51fa4 c5a51f98 c0599cb0 c0599bb8 00000000 c5a51fa8 <0>[ 88.151895] 1fa0: c03000c0 c0599ca4 00000009 00000009 00000001 b6e87000 00000009 00000000 <0>[ 88.160346] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64 <0>[ 88.168796] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6 800e0030 00000001 00000000 00000000 <0>[ 88.177239] Backtrace: <0>[ 88.179977] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 88.188251] r5:c69eb000 r4:00000028 <0>[ 88.192101] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 88.200386] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 88.208577] r9:c5a51f60 r8:c50fdd80 r7:00000009 r6:b6e87000 r5:c5abbe00 r4:c0c35700 <0>[ 88.216600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 88.224703] r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e87000 r5:c5abbe00 r4:00000000 <0>[ 88.232720] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 88.240128] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c5a50000 r5:c5abbe00 <0>[ 88.248226] r4:c5abbe00 <0>[ 88.251035] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 88.258443] r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fcee00 r5:00000009 r4:00000009 <0>[ 88.266464] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 88.274302] Exception stack(0xc5a51fa8 to 0xc5a51ff0) <0>[ 88.279626] 1fa0: 00000009 00000009 00000001 b6e87000 00000009 00000000 <0>[ 88.288079] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64 <0>[ 88.296526] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6 <0>[ 88.301852] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) <4>[ 88.308221] ---[ end trace 6556776c6b5d506a ]--- # Segmentation fault # [ 87.915315] lkdtm: Performing direct entry WRITE_RO # [ 87.920508] lkdtm: attempting bad rodata write at c15e8b7c # [ 87.926383] 8<--- cut here --- # [ 87.929712] Unable to handle kernel paging request at virtual address c15e8b7c # [ 87.937205] pgd = 35aa4383 # [ 87.940182] [c15e8b7c] *pgd=1141941e(bad) # [ 87.944482] Internal error: Oops: 80d [#12] SMP ARM # [ 87.949632] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.978971] CPU: 3 PID: 2372 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 87.986982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.993793] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 87.998433] LR is at __irq_work_queue_local+0x40/0x74 # [ 88.003755] pc : [] lr : [] psr: 600e0013 # [ 88.010290] sp : c5a51e50 ip : c5a51d58 fp : c5a51e64 # [ 88.015783] r10: 00000009 r9 : c1acc95c r8 : c15e88e4 # [ 88.021277] r7 : c5a51f60 r6 : 00000009 r5 : c69eb000 r4 : c15e8b7c # [ 88.028072] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1acd760 # [ 88.034870] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.042274] Control: 10c5387d Table: 16ee404a DAC: 00000051 # [ 88.048289] Process cat (pid: 2372, stack limit = 0xeb342bcd) # [ 88.054305] Stack: (0xc5a51e50 to 0xc5a52000) # [ 88.058937] 1e40: 00000028 c69eb000 c5a51e74 c5a51e68 # [ 88.067388] 1e60: c0c35320 c135c594 c5a51e9c c5a51e78 c0c35820 c0c35300 c0c35700 c5abbe00 # [ 88.075839] 1e80: b6e87000 00000009 c50fdd80 c5a51f60 c5a51ec4 c5a51ea0 c07e184c c0c3570c # [ 88.084290] 1ea0: 00000000 c5abbe00 b6e87000 c2815800 c5a51f60 c07e17e8 c5a51f5c c5a51ec8 # [ 88.092740] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5a50000 # [ 88.101189] 1ee0: b6e87000 00020000 00000004 00000009 0001fff7 c5a51ee0 00000001 b6e86000 # [ 88.109639] 1f00: c5d5af00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.118090] 1f20: 00000000 00000000 c1371d70 f536c42c c205c880 c5abbe00 c5abbe00 c5a50000 # [ 88.126542] 1f40: b6e87000 00000000 00000000 00000004 c5a51f94 c5a51f60 c0599c20 c059958c # [ 88.134993] 1f60: 00000000 00000000 c5a51fac f536c42c 00000009 00000009 b6fcee00 00000004 # [ 88.143444] 1f80: c03002e4 c5a50000 c5a51fa4 c5a51f98 c0599cb0 c0599bb8 00000000 c5a51fa8 # [ 88.151895] 1fa0: c03000c0 c0599ca4 00000009 00000009 00000001 b6e87000 00000009 00000000 # [ 88.160346] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64 # [ 88.168796] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6 800e0030 00000001 00000000 00000000 # [ 88.177239] Backtrace: # [ 88.179977] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.188251] r5:c69eb000 r4:00000028 # [ 88.192101] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.200386] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.208577] r9:c5a51f60 r8:c50fdd80 r7:00000009 r6:b6e87000 r5:c5abbe00 r4:c0c35700 # [ 88.216600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 88.224703] r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e87000 r5:c5abbe00 r4:00000000 # [ 88.232720] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.240128] r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c5a50000 r5:c5abbe00 # [ 88.248226] r4:c5abbe00 # [ 88.251035] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.258443] r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fcee00 r5:00000009 r4:00000009 # [ 88.266464] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.274302] Exception stack(0xc5a51fa8 to 0xc5a51ff0) # [ 88.279626] 1fa0: 00000009 00000009 00000001 b6e87000 00000009 00000000 # [ 88.288079] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64 # [ 88.296526] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6 # [ 88.301852] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) # [ 88.308221] ---[ end trace 6556776c6b5d506a ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 88.874042] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 88.880164] lkdtm: attempting bad ro_after_init write at c1b7ec60 <1>[ 88.886638] 8<--- cut here --- <1>[ 88.889967] Unable to handle kernel paging request at virtual address c1b7ec60 <1>[ 88.897461] pgd = 2407fc2f <1>[ 88.900439] [c1b7ec60] *pgd=11a1941e(bad) <0>[ 88.904736] Internal error: Oops: 80d [#13] SMP ARM <4>[ 88.909887] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 88.939226] CPU: 3 PID: 2446 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 88.947239] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.954051] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 88.959645] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 88.964966] pc : [] lr : [] psr: 600e0013 <4>[ 88.971502] sp : c5ba1e50 ip : c5ba1d58 fp : c5ba1e64 <4>[ 88.976997] r10: 00000014 r9 : c1acc968 r8 : c15e88e4 <4>[ 88.982490] r7 : c5ba1f60 r6 : 00000014 r5 : c69ed000 r4 : c1b7ec60 <4>[ 88.989286] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1acd760 <4>[ 88.996083] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 89.003489] Control: 10c5387d Table: 16e3404a DAC: 00000051 <0>[ 89.009504] Process cat (pid: 2446, stack limit = 0xc276c28f) <0>[ 89.015519] Stack: (0xc5ba1e50 to 0xc5ba2000) <0>[ 89.020150] 1e40: 00000029 c69ed000 c5ba1e74 c5ba1e68 <0>[ 89.028602] 1e60: c0c35320 c135c5e4 c5ba1e9c c5ba1e78 c0c35820 c0c35300 c0c35700 c5d5b400 <0>[ 89.037052] 1e80: b6e0b000 00000014 c50fdd80 c5ba1f60 c5ba1ec4 c5ba1ea0 c07e184c c0c3570c <0>[ 89.045503] 1ea0: 00000000 c5d5b400 b6e0b000 c2815800 c5ba1f60 c07e17e8 c5ba1f5c c5ba1ec8 <0>[ 89.053952] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5ba0000 <0>[ 89.062404] 1ee0: b6e0b000 00020000 00000004 00000014 0001ffec c5ba1ee0 00000001 b6e0a000 <0>[ 89.070854] 1f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 89.079303] 1f20: 00000000 00000000 c1371d70 c35e0566 c205c880 c5d5b400 c5d5b400 c5ba0000 <0>[ 89.087753] 1f40: b6e0b000 00000000 00000000 00000004 c5ba1f94 c5ba1f60 c0599c20 c059958c <0>[ 89.096204] 1f60: 00000000 00000000 c5ba1fac c35e0566 00000014 00000014 b6f52e00 00000004 <0>[ 89.104654] 1f80: c03002e4 c5ba0000 c5ba1fa4 c5ba1f98 c0599cb0 c0599bb8 00000000 c5ba1fa8 <0>[ 89.113105] 1fa0: c03000c0 c0599ca4 00000014 00000014 00000001 b6e0b000 00000014 00000000 <0>[ 89.121555] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64 <0>[ 89.130005] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6 800e0030 00000001 00000000 00000000 <0>[ 89.138447] Backtrace: <0>[ 89.141184] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 89.150415] r5:c69ed000 r4:00000029 <0>[ 89.154267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 89.162553] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 89.170745] r9:c5ba1f60 r8:c50fdd80 r7:00000014 r6:b6e0b000 r5:c5d5b400 r4:c0c35700 <0>[ 89.178769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 89.186873] r9:c07e17e8 r8:c5ba1f60 r7:c2815800 r6:b6e0b000 r5:c5d5b400 r4:00000000 <0>[ 89.194890] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 89.202300] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5ba0000 r5:c5d5b400 <0>[ 89.210398] r4:c5d5b400 <0>[ 89.213207] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 89.220615] r9:c5ba0000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000014 r4:00000014 <0>[ 89.228635] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 89.236474] Exception stack(0xc5ba1fa8 to 0xc5ba1ff0) <0>[ 89.241800] 1fa0: 00000014 00000014 00000001 b6e0b000 00000014 00000000 <0>[ 89.250250] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64 <0>[ 89.258697] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6 <0>[ 89.264023] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) <4>[ 89.270392] ---[ end trace 6556776c6b5d506b ]--- # Segmentation fault # [ 88.874042] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 88.880164] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 88.886638] 8<--- cut here --- # [ 88.889967] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 88.897461] pgd = 2407fc2f # [ 88.900439] [c1b7ec60] *pgd=11a1941e(bad) # [ 88.904736] Internal error: Oops: 80d [#13] SMP ARM # [ 88.909887] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.939226] CPU: 3 PID: 2446 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 88.947239] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.954051] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 88.959645] LR is at __irq_work_queue_local+0x40/0x74 # [ 88.964966] pc : [] lr : [] psr: 600e0013 # [ 88.971502] sp : c5ba1e50 ip : c5ba1d58 fp : c5ba1e64 # [ 88.976997] r10: 00000014 r9 : c1acc968 r8 : c15e88e4 # [ 88.982490] r7 : c5ba1f60 r6 : 00000014 r5 : c69ed000 r4 : c1b7ec60 # [ 88.989286] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1acd760 # [ 88.996083] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 89.003489] Control: 10c5387d Table: 16e3404a DAC: 00000051 # [ 89.009504] Process cat (pid: 2446, stack limit = 0xc276c28f) # [ 89.015519] Stack: (0xc5ba1e50 to 0xc5ba2000) # [ 89.020150] 1e40: 00000029 c69ed000 c5ba1e74 c5ba1e68 # [ 89.028602] 1e60: c0c35320 c135c5e4 c5ba1e9c c5ba1e78 c0c35820 c0c35300 c0c35700 c5d5b400 # [ 89.037052] 1e80: b6e0b000 00000014 c50fdd80 c5ba1f60 c5ba1ec4 c5ba1ea0 c07e184c c0c3570c # [ 89.045503] 1ea0: 00000000 c5d5b400 b6e0b000 c2815800 c5ba1f60 c07e17e8 c5ba1f5c c5ba1ec8 # [ 89.053952] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5ba0000 # [ 89.062404] 1ee0: b6e0b000 00020000 00000004 00000014 0001ffec c5ba1ee0 00000001 b6e0a000 # [ 89.070854] 1f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 89.079303] 1f20: 00000000 00000000 c1371d70 c35e0566 c205c880 c5d5b400 c5d5b400 c5ba0000 # [ 89.087753] 1f40: b6e0b000 00000000 00000000 00000004 c5ba1f94 c5ba1f60 c0599c20 c059958c # [ 89.096204] 1f60: 00000000 00000000 c5ba1fac c35e0566 00000014 00000014 b6f52e00 00000004 # [ 89.104654] 1f80: c03002e4 c5ba0000 c5ba1fa4 c5ba1f98 c0599cb0 c0599bb8 00000000 c5ba1fa8 # [ 89.113105] 1fa0: c03000c0 c0599ca4 00000014 00000014 00000001 b6e0b000 00000014 00000000 # [ 89.121555] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64 # [ 89.130005] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6 800e0030 00000001 00000000 00000000 # [ 89.138447] Backtrace: # [ 89.141184] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.150415] r5:c69ed000 r4:00000029 # [ 89.154267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.162553] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.170745] r9:c5ba1f60 r8:c50fdd80 r7:00000014 r6:b6e0b000 r5:c5d5b400 r4:c0c35700 # [ 89.178769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 89.186873] r9:c07e17e8 r8:c5ba1f60 r7:c2815800 r6:b6e0b000 r5:c5d5b400 r4:00000000 # [ 89.194890] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.202300] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5ba0000 r5:c5d5b400 # [ 89.210398] r4:c5d5b400 # [ 89.213207] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.220615] r9:c5ba0000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000014 r4:00000014 # [ 89.228635] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.236474] Exception stack(0xc5ba1fa8 to 0xc5ba1ff0) # [ 89.241800] 1fa0: 00000014 00000014 00000001 b6e0b000 00000014 00000000 # [ 89.250250] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64 # [ 89.258697] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6 # [ 89.264023] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) # [ 89.270392] ---[ end trace 6556776c6b5d506b ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh <6>[ 89.856661] lkdtm: Performing direct entry WRITE_KERN <6>[ 89.862110] lkdtm: attempting bad 7496736 byte write at c135c4b0 <1>[ 89.868426] 8<--- cut here --- <1>[ 89.871766] Unable to handle kernel paging request at virtual address c135c4b0 <1>[ 89.879266] pgd = 26188080 <1>[ 89.882241] [c135c4b0] *pgd=1121940e(bad) <0>[ 89.886540] Internal error: Oops: 80d [#14] SMP ARM <4>[ 89.891687] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.921024] CPU: 1 PID: 2520 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 89.929037] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.935843] PC is at memcpy+0x50/0x330 <4>[ 89.939864] LR is at 0xe92dd830 <4>[ 89.943277] pc : [] lr : [] psr: 200e0013 <4>[ 89.949815] sp : c6ab7e2c ip : e1a0c00d fp : c6ab7e64 <4>[ 89.955310] r10: 0000000b r9 : c1acc97c r8 : e89da800 <4>[ 89.960804] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 89.967598] r3 : e1a0c00d r2 : 00726380 r1 : c0c360b0 r0 : c135c4b0 <4>[ 89.974397] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 89.981801] Control: 10c5387d Table: 16d8004a DAC: 00000051 <0>[ 89.987816] Process cat (pid: 2520, stack limit = 0x3f970bf6) <0>[ 89.993832] Stack: (0xc6ab7e2c to 0xc6ab8000) <0>[ 89.998464] 7e20: c0c36090 00726420 c6ab7f60 c15e88e4 c135c4b0 <0>[ 90.006918] 7e40: c135c4b0 c135c694 0000002a c6b1d000 0000000b c6ab7f60 c6ab7e74 c6ab7e68 <0>[ 90.015369] 7e60: c0c35320 c135c654 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5a87900 <0>[ 90.023818] 7e80: b6eb0000 0000000b c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c <0>[ 90.032269] 7ea0: 00000000 c5a87900 b6eb0000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8 <0>[ 90.040720] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000 <0>[ 90.049172] 7ee0: b6eb0000 00020000 00000004 0000000b 0001fff5 c6ab7ee0 00000001 b6eaf000 <0>[ 90.057622] 7f00: c5d5bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 90.066073] 7f20: 00000000 00000000 c1371d70 288c8d1d c205c880 c5a87900 c5a87900 c6ab6000 <0>[ 90.074524] 7f40: b6eb0000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c <0>[ 90.082975] 7f60: 00000000 00000000 c6ab7fac 288c8d1d 0000000b 0000000b b6ff7e00 00000004 <0>[ 90.091426] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8 <0>[ 90.099879] 7fa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6eb0000 0000000b 00000000 <0>[ 90.108330] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64 <0>[ 90.116780] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6 800e0030 00000001 00000000 00000000 <0>[ 90.125222] Backtrace: <0>[ 90.127965] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 90.136417] r7:c6ab7f60 r6:0000000b r5:c6b1d000 r4:0000002a <0>[ 90.142352] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 90.150634] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 90.158825] r9:c6ab7f60 r8:c50fdd80 r7:0000000b r6:b6eb0000 r5:c5a87900 r4:c0c35700 <0>[ 90.166847] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 90.174949] r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6eb0000 r5:c5a87900 r4:00000000 <0>[ 90.182966] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 90.190375] r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c6ab6000 r5:c5a87900 <0>[ 90.198472] r4:c5a87900 <0>[ 90.201280] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 90.208688] r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:0000000b r4:0000000b <0>[ 90.216709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 90.224546] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0) <0>[ 90.229869] 7fa0: 0000000b 0000000b 00000001 b6eb0000 0000000b 00000000 <0>[ 90.238320] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64 <0>[ 90.246767] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6 <0>[ 90.252092] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 90.258461] ---[ end trace 6556776c6b5d506c ]--- # Segmentation fault # [ 89.856661] lkdtm: Performing direct entry WRITE_KERN # [ 89.862110] lkdtm: attempting bad 7496736 byte write at c135c4b0 # [ 89.868426] 8<--- cut here --- # [ 89.871766] Unable to handle kernel paging request at virtual address c135c4b0 # [ 89.879266] pgd = 26188080 # [ 89.882241] [c135c4b0] *pgd=1121940e(bad) # [ 89.886540] Internal error: Oops: 80d [#14] SMP ARM # [ 89.891687] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.921024] CPU: 1 PID: 2520 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 89.929037] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.935843] PC is at memcpy+0x50/0x330 # [ 89.939864] LR is at 0xe92dd830 # [ 89.943277] pc : [] lr : [] psr: 200e0013 # [ 89.949815] sp : c6ab7e2c ip : e1a0c00d fp : c6ab7e64 # [ 89.955310] r10: 0000000b r9 : c1acc97c r8 : e89da800 # [ 89.960804] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 89.967598] r3 : e1a0c00d r2 : 00726380 r1 : c0c360b0 r0 : c135c4b0 # [ 89.974397] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 89.981801] Control: 10c5387d Table: 16d8004a DAC: 00000051 # [ 89.987816] Process cat (pid: 2520, stack limit = 0x3f970bf6) # [ 89.993832] Stack: (0xc6ab7e2c to 0xc6ab8000) # [ 89.998464] 7e20: c0c36090 00726420 c6ab7f60 c15e88e4 c135c4b0 # [ 90.006918] 7e40: c135c4b0 c135c694 0000002a c6b1d000 0000000b c6ab7f60 c6ab7e74 c6ab7e68 # [ 90.015369] 7e60: c0c35320 c135c654 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5a87900 # [ 90.023818] 7e80: b6eb0000 0000000b c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c # [ 90.032269] 7ea0: 00000000 c5a87900 b6eb0000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8 # [ 90.040720] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000 # [ 90.049172] 7ee0: b6eb0000 00020000 00000004 0000000b 0001fff5 c6ab7ee0 00000001 b6eaf000 # [ 90.057622] 7f00: c5d5bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 90.066073] 7f20: 00000000 00000000 c1371d70 288c8d1d c205c880 c5a87900 c5a87900 c6ab6000 # [ 90.074524] 7f40: b6eb0000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c # [ 90.082975] 7f60: 00000000 00000000 c6ab7fac 288c8d1d 0000000b 0000000b b6ff7e00 00000004 # [ 90.091426] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8 # [ 90.099879] 7fa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6eb0000 0000000b 00000000 # [ 90.108330] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64 # [ 90.116780] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6 800e0030 00000001 00000000 00000000 # [ 90.125222] Backtrace: # [ 90.127965] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.136417] r7:c6ab7f60 r6:0000000b r5:c6b1d000 r4:0000002a # [ 90.142352] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.150634] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.158825] r9:c6ab7f60 r8:c50fdd80 r7:0000000b r6:b6eb0000 r5:c5a87900 r4:c0c35700 # [ 90.166847] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 90.174949] r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6eb0000 r5:c5a87900 r4:00000000 # [ 90.182966] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.190375] r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c6ab6000 r5:c5a87900 # [ 90.198472] r4:c5a87900 # [ 90.201280] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.208688] r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:0000000b r4:0000000b # [ 90.216709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.224546] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0) # [ 90.229869] 7fa0: 0000000b 0000000b 00000001 b6eb0000 0000000b 00000000 # [ 90.238320] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64 # [ 90.246767] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6 # [ 90.252092] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 90.258461] ---[ end trace 6556776c6b5d506c ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 90.808728] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 90.815139] lkdtm: attempting good refcount_inc() without overflow <6>[ 90.821730] lkdtm: attempting bad refcount_inc() overflow <4>[ 90.827436] ------------[ cut here ]------------ <4>[ 90.832402] WARNING: CPU: 2 PID: 2595 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 90.841161] refcount_t: saturated; leaking memory. <4>[ 90.846228] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.875720] CPU: 2 PID: 2595 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 90.883734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.890531] Backtrace: <4>[ 90.893272] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.901117] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 90.907054] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.914644] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.921882] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c <4>[ 90.929903] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.937655] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000 <4>[ 90.943590] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 90.952822] r9:c1acc988 r8:c15e88e4 r7:c44fbf60 r6:00000016 r5:c6bff000 r4:c44fa000 <4>[ 90.960843] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 90.970780] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 90.981145] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.990547] r4:0000002b <4>[ 90.993357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.001641] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.009833] r9:c44fbf60 r8:c50fdd80 r7:00000016 r6:b6dbd000 r5:c5c4e3c0 r4:c0c35700 <4>[ 91.017857] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 91.025961] r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c5c4e3c0 r4:00000000 <4>[ 91.033976] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.041384] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c5c4e3c0 <4>[ 91.049482] r4:c5c4e3c0 <4>[ 91.052290] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.059699] r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000016 r4:00000016 <4>[ 91.067719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.075558] Exception stack(0xc44fbfa8 to 0xc44fbff0) <4>[ 91.080882] bfa0: 00000016 00000016 00000001 b6dbd000 00000016 00000000 <4>[ 91.089332] bfc0: 00000016 00000016 b6f04e00 00000004 00000001 00000000 00020000 bea3ba64 <4>[ 91.097779] bfe0: 00000004 bea3b798 b6e6f4cf b6df57e6 <4>[ 91.103174] irq event stamp: 0 <4>[ 91.106517] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.112405] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.120172] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.127980] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.133870] ---[ end trace 6556776c6b5d506d ]--- <6>[ 91.138765] lkdtm: Overflow detected: saturated # [ 90.808728] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 90.815139] lkdtm: attempting good refcount_inc() without overflow # [ 90.821730] lkdtm: attempting bad refcount_inc() overflow # [ 90.827436] ------------[ cut here ]------------ # [ 90.832402] WARNING: CPU: 2 PID: 2595 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 90.841161] refcount_t: saturated; leaking memory. # [ 90.846228] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.875720] CPU: 2 PID: 2595 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 90.883734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.890531] Backtrace: # [ 90.893272] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.901117] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 90.907054] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.914644] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.921882] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c # [ 90.929903] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.937655] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000 # [ 90.943590] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 90.952822] r9:c1acc988 r8:c15e88e4 r7:c44fbf60 r6:00000016 r5:c6bff000 r4:c44fa000 # [ 90.960843] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 90.970780] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 90.981145] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.990547] r4:0000002b # [ 90.993357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.001641] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.009833] r9:c44fbf60 r8:c50fdd80 r7:00000016 r6:b6dbd000 r5:c5c4e3c0 r4:c0c35700 # [ 91.017857] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.025961] r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c5c4e3c0 r4:00000000 # [ 91.033976] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.041384] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c5c4e3c0 # [ 91.049482] r4:c5c4e3c0 # [ 91.052290] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.059699] r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000016 r4:00000016 # [ 91.067719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.075558] Exception stack(0xc44fbfa8 to 0xc44fbff0) # [ 91.080882] bfa0: 00000016 00000016 00000001 b6dbd000 00000016 00000000 # [ 91.089332] bfc0: 00000016 00000016 b6f04e00 00000004 00000001 00000000 00020000 bea3ba64 # [ 91.097779] bfe0: 00000004 bea3b798 b6e6f4cf b6df57e6 # [ 91.103174] irq event stamp: 0 # [ 91.106517] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.112405] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.120172] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.127980] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.133870] ---[ end trace 6556776c6b5d506d ]--- # [ 91.138765] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <6>[ 91.642674] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 91.648967] lkdtm: attempting good refcount_add() without overflow <6>[ 91.655486] lkdtm: attempting bad refcount_add() overflow <4>[ 91.661236] ------------[ cut here ]------------ <4>[ 91.666145] WARNING: CPU: 1 PID: 2629 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 91.674893] refcount_t: saturated; leaking memory. <4>[ 91.679959] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.709448] CPU: 1 PID: 2629 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 91.717463] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.724259] Backtrace: <4>[ 91.726998] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.734844] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 91.740783] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.748375] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.755614] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c <4>[ 91.763632] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.771385] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c59a8000 <4>[ 91.777322] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 91.786554] r9:c1acc9a0 r8:c15e88e4 r7:c59a9f60 r6:00000016 r5:c6c87000 r4:c59a8000 <4>[ 91.794575] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 91.804511] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 91.814873] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.824274] r4:0000002c <4>[ 91.827082] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.835365] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.843558] r9:c59a9f60 r8:c50fdd80 r7:00000016 r6:b6e09000 r5:c47ba000 r4:c0c35700 <4>[ 91.851582] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 91.859684] r9:c07e17e8 r8:c59a9f60 r7:c2815800 r6:b6e09000 r5:c47ba000 r4:00000000 <4>[ 91.867701] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.875108] r10:00000004 r9:00000000 r8:00000000 r7:b6e09000 r6:c59a8000 r5:c47ba000 <4>[ 91.883205] r4:c47ba000 <4>[ 91.886012] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.893420] r9:c59a8000 r8:c03002e4 r7:00000004 r6:b6f50e00 r5:00000016 r4:00000016 <4>[ 91.901440] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.909279] Exception stack(0xc59a9fa8 to 0xc59a9ff0) <4>[ 91.914604] 9fa0: 00000016 00000016 00000001 b6e09000 00000016 00000000 <4>[ 91.923055] 9fc0: 00000016 00000016 b6f50e00 00000004 00000001 00000000 00020000 bef8ea64 <4>[ 91.931502] 9fe0: 00000004 bef8e798 b6ebb4cf b6e417e6 <4>[ 91.936913] irq event stamp: 0 <4>[ 91.940256] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.946144] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.953972] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.961799] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.967659] ---[ end trace 6556776c6b5d506e ]--- <6>[ 91.972604] lkdtm: Overflow detected: saturated # [ 91.642674] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 91.648967] lkdtm: attempting good refcount_add() without overflow # [ 91.655486] lkdtm: attempting bad refcount_add() overflow # [ 91.661236] ------------[ cut here ]------------ # [ 91.666145] WARNING: CPU: 1 PID: 2629 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 91.674893] refcount_t: saturated; leaking memory. # [ 91.679959] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.709448] CPU: 1 PID: 2629 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 91.717463] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.724259] Backtrace: # [ 91.726998] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.734844] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 91.740783] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.748375] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.755614] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c # [ 91.763632] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.771385] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c59a8000 # [ 91.777322] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 91.786554] r9:c1acc9a0 r8:c15e88e4 r7:c59a9f60 r6:00000016 r5:c6c87000 r4:c59a8000 # [ 91.794575] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 91.804511] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 91.814873] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.824274] r4:0000002c # [ 91.827082] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.835365] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.843558] r9:c59a9f60 r8:c50fdd80 r7:00000016 r6:b6e09000 r5:c47ba000 r4:c0c35700 # [ 91.851582] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.859684] r9:c07e17e8 r8:c59a9f60 r7:c2815800 r6:b6e09000 r5:c47ba000 r4:00000000 # [ 91.867701] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.875108] r10:00000004 r9:00000000 r8:00000000 r7:b6e09000 r6:c59a8000 r5:c47ba000 # [ 91.883205] r4:c47ba000 # [ 91.886012] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.893420] r9:c59a8000 r8:c03002e4 r7:00000004 r6:b6f50e00 r5:00000016 r4:00000016 # [ 91.901440] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.909279] Exception stack(0xc59a9fa8 to 0xc59a9ff0) # [ 91.914604] 9fa0: 00000016 00000016 00000001 b6e09000 00000016 00000000 # [ 91.923055] 9fc0: 00000016 00000016 b6f50e00 00000004 00000001 00000000 00020000 bef8ea64 # [ 91.931502] 9fe0: 00000004 bef8e798 b6ebb4cf b6e417e6 # [ 91.936913] irq event stamp: 0 # [ 91.940256] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.946144] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.953972] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.961799] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.967659] ---[ end trace 6556776c6b5d506e ]--- # [ 91.972604] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh <6>[ 92.488735] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 92.496021] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 92.502591] ------------[ cut here ]------------ <4>[ 92.507533] WARNING: CPU: 1 PID: 2663 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 92.516322] refcount_t: saturated; leaking memory. <4>[ 92.521429] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.550926] CPU: 1 PID: 2663 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 92.558940] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.565737] Backtrace: <4>[ 92.568478] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.576321] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 92.582260] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.589850] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.597086] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c <4>[ 92.605106] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.612861] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000 <4>[ 92.618795] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 92.628027] r9:c1acc9b8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c6b1d000 r4:7fffffff <4>[ 92.636052] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 92.646767] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 92.658684] r5:c6b1d000 r4:c5c2e000 <4>[ 92.662537] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.672719] r4:0000002d <4>[ 92.675528] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.683811] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.692001] r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e93000 r5:c5a868c0 r4:c0c35700 <4>[ 92.700025] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 92.708128] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e93000 r5:c5a868c0 r4:00000000 <4>[ 92.716145] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.723554] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c5c2e000 r5:c5a868c0 <4>[ 92.731650] r4:c5a868c0 <4>[ 92.734459] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.741867] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:0000001f r4:0000001f <4>[ 92.749887] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.757726] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) <4>[ 92.763050] ffa0: 0000001f 0000001f 00000001 b6e93000 0000001f 00000000 <4>[ 92.771499] ffc0: 0000001f 0000001f b6fdae00 00000004 00000001 00000000 00020000 beeaca64 <4>[ 92.779947] ffe0: 00000004 beeac798 b6f454cf b6ecb7e6 <4>[ 92.785351] irq event stamp: 0 <4>[ 92.788689] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.794590] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 92.802416] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 92.810192] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.816129] ---[ end trace 6556776c6b5d506f ]--- <6>[ 92.821040] lkdtm: Overflow detected: saturated # [ 92.488735] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 92.496021] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 92.502591] ------------[ cut here ]------------ # [ 92.507533] WARNING: CPU: 1 PID: 2663 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 92.516322] refcount_t: saturated; leaking memory. # [ 92.521429] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.550926] CPU: 1 PID: 2663 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 92.558940] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.565737] Backtrace: # [ 92.568478] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.576321] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 92.582260] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.589850] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.597086] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c # [ 92.605106] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.612861] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000 # [ 92.618795] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 92.628027] r9:c1acc9b8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c6b1d000 r4:7fffffff # [ 92.636052] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 92.646767] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 92.658684] r5:c6b1d000 r4:c5c2e000 # [ 92.662537] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.672719] r4:0000002d # [ 92.675528] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.683811] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.692001] r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e93000 r5:c5a868c0 r4:c0c35700 # [ 92.700025] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 92.708128] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e93000 r5:c5a868c0 r4:00000000 # [ 92.716145] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.723554] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c5c2e000 r5:c5a868c0 # [ 92.731650] r4:c5a868c0 # [ 92.734459] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.741867] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:0000001f r4:0000001f # [ 92.749887] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.757726] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) # [ 92.763050] ffa0: 0000001f 0000001f 00000001 b6e93000 0000001f 00000000 # [ 92.771499] ffc0: 0000001f 0000001f b6fdae00 00000004 00000001 00000000 00020000 beeaca64 # [ 92.779947] ffe0: 00000004 beeac798 b6f454cf b6ecb7e6 # [ 92.785351] irq event stamp: 0 # [ 92.788689] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.794590] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 92.802416] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 92.810192] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.816129] ---[ end trace 6556776c6b5d506f ]--- # [ 92.821040] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh <6>[ 93.338936] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 93.346088] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 93.352593] ------------[ cut here ]------------ <4>[ 93.357504] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 93.366279] refcount_t: saturated; leaking memory. <4>[ 93.371383] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.400873] CPU: 2 PID: 2697 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 93.408888] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.415684] Backtrace: <4>[ 93.418424] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.426268] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 93.432206] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.439796] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.447031] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c <4>[ 93.455050] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.462804] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000 <4>[ 93.468740] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 93.477974] r9:c1acc9d8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c5aa0000 r4:7fffffff <4>[ 93.486002] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 93.496716] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 93.508635] r5:c5aa0000 r4:c5c2e000 <4>[ 93.512490] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.522670] r4:0000002e <4>[ 93.525477] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.533761] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.541951] r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e08000 r5:c5c4f540 r4:c0c35700 <4>[ 93.549977] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 93.558080] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e08000 r5:c5c4f540 r4:00000000 <4>[ 93.566097] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.573505] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5c2e000 r5:c5c4f540 <4>[ 93.581602] r4:c5c4f540 <4>[ 93.584410] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.591818] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000001f r4:0000001f <4>[ 93.599838] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.607675] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) <4>[ 93.613000] ffa0: 0000001f 0000001f 00000001 b6e08000 0000001f 00000000 <4>[ 93.621451] ffc0: 0000001f 0000001f b6f4fe00 00000004 00000001 00000000 00020000 beb62a64 <4>[ 93.629898] ffe0: 00000004 beb62798 b6eba4cf b6e407e6 <4>[ 93.635309] irq event stamp: 0 <4>[ 93.638649] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.644541] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 93.652352] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 93.660151] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.666063] ---[ end trace 6556776c6b5d5070 ]--- <6>[ 93.670962] lkdtm: Overflow detected: saturated # [ 93.338936] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 93.346088] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 93.352593] ------------[ cut here ]------------ # [ 93.357504] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 93.366279] refcount_t: saturated; leaking memory. # [ 93.371383] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.400873] CPU: 2 PID: 2697 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 93.408888] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.415684] Backtrace: # [ 93.418424] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.426268] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 93.432206] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.439796] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.447031] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c # [ 93.455050] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.462804] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000 # [ 93.468740] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 93.477974] r9:c1acc9d8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c5aa0000 r4:7fffffff # [ 93.486002] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 93.496716] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 93.508635] r5:c5aa0000 r4:c5c2e000 # [ 93.512490] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.522670] r4:0000002e # [ 93.525477] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.533761] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.541951] r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e08000 r5:c5c4f540 r4:c0c35700 # [ 93.549977] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 93.558080] r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e08000 r5:c5c4f540 r4:00000000 # [ 93.566097] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.573505] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5c2e000 r5:c5c4f540 # [ 93.581602] r4:c5c4f540 # [ 93.584410] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.591818] r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000001f r4:0000001f # [ 93.599838] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.607675] Exception stack(0xc5c2ffa8 to 0xc5c2fff0) # [ 93.613000] ffa0: 0000001f 0000001f 00000001 b6e08000 0000001f 00000000 # [ 93.621451] ffc0: 0000001f 0000001f b6f4fe00 00000004 00000001 00000000 00020000 beb62a64 # [ 93.629898] ffe0: 00000004 beb62798 b6eba4cf b6e407e6 # [ 93.635309] irq event stamp: 0 # [ 93.638649] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.644541] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.652352] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.660151] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.666063] ---[ end trace 6556776c6b5d5070 ]--- # [ 93.670962] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh <6>[ 94.176130] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 94.182217] lkdtm: attempting good refcount_dec() <6>[ 94.187220] lkdtm: attempting bad refcount_dec() to zero <4>[ 94.192881] ------------[ cut here ]------------ <4>[ 94.197792] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 94.206562] refcount_t: decrement hit 0; leaking memory. <4>[ 94.212199] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.241693] CPU: 2 PID: 2731 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 94.249708] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.256504] Backtrace: <4>[ 94.259243] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.267087] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 94.273027] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.280618] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.287853] r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c <4>[ 94.295873] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.303628] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c69d4000 <4>[ 94.309563] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 94.318796] r9:c1acc9f8 r8:c15e88e4 r7:c69d5f60 r6:00000012 r5:c5aa0000 r4:c69d4000 <4>[ 94.326819] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 94.336750] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 94.346770] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.355825] r4:0000002f <4>[ 94.358634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.366916] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.375106] r9:c69d5f60 r8:c50fdd80 r7:00000012 r6:b6e7e000 r5:c5c4edc0 r4:c0c35700 <4>[ 94.383130] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 94.391234] r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e7e000 r5:c5c4edc0 r4:00000000 <4>[ 94.399251] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.406660] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c69d4000 r5:c5c4edc0 <4>[ 94.414758] r4:c5c4edc0 <4>[ 94.417567] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.424976] r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000012 r4:00000012 <4>[ 94.432996] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.440835] Exception stack(0xc69d5fa8 to 0xc69d5ff0) <4>[ 94.446159] 5fa0: 00000012 00000012 00000001 b6e7e000 00000012 00000000 <4>[ 94.454610] 5fc0: 00000012 00000012 b6fc5e00 00000004 00000001 00000000 00020000 bef1aa64 <4>[ 94.463057] 5fe0: 00000004 bef1a798 b6f304cf b6eb67e6 <4>[ 94.468452] irq event stamp: 0 <4>[ 94.471821] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.477682] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 94.485485] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 94.493282] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.499130] ---[ end trace 6556776c6b5d5071 ]--- <6>[ 94.504059] lkdtm: Zero detected: saturated # [ 94.176130] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 94.182217] lkdtm: attempting good refcount_dec() # [ 94.187220] lkdtm: attempting bad refcount_dec() to zero # [ 94.192881] ------------[ cut here ]------------ # [ 94.197792] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 94.206562] refcount_t: decrement hit 0; leaking memory. # [ 94.212199] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.241693] CPU: 2 PID: 2731 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 94.249708] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.256504] Backtrace: # [ 94.259243] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.267087] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 94.273027] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.280618] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.287853] r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c # [ 94.295873] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.303628] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c69d4000 # [ 94.309563] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 94.318796] r9:c1acc9f8 r8:c15e88e4 r7:c69d5f60 r6:00000012 r5:c5aa0000 r4:c69d4000 # [ 94.326819] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 94.336750] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 94.346770] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.355825] r4:0000002f # [ 94.358634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.366916] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.375106] r9:c69d5f60 r8:c50fdd80 r7:00000012 r6:b6e7e000 r5:c5c4edc0 r4:c0c35700 # [ 94.383130] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 94.391234] r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e7e000 r5:c5c4edc0 r4:00000000 # [ 94.399251] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.406660] r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c69d4000 r5:c5c4edc0 # [ 94.414758] r4:c5c4edc0 # [ 94.417567] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.424976] r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000012 r4:00000012 # [ 94.432996] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.440835] Exception stack(0xc69d5fa8 to 0xc69d5ff0) # [ 94.446159] 5fa0: 00000012 00000012 00000001 b6e7e000 00000012 00000000 # [ 94.454610] 5fc0: 00000012 00000012 b6fc5e00 00000004 00000001 00000000 00020000 bef1aa64 # [ 94.463057] 5fe0: 00000004 bef1a798 b6f304cf b6eb67e6 # [ 94.468452] irq event stamp: 0 # [ 94.471821] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.477682] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 94.485485] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 94.493282] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.499130] ---[ end trace 6556776c6b5d5071 ]--- # [ 94.504059] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 95.039046] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 95.045511] lkdtm: attempting bad refcount_dec() below zero <4>[ 95.051483] ------------[ cut here ]------------ <4>[ 95.056418] WARNING: CPU: 1 PID: 2768 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 95.065184] refcount_t: decrement hit 0; leaking memory. <4>[ 95.070772] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 95.100326] CPU: 1 PID: 2768 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 95.108342] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.115139] Backtrace: <4>[ 95.117879] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.125723] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 95.131662] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.139253] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.146490] r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c <4>[ 95.154509] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.162262] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c6caa000 <4>[ 95.168199] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 95.177432] r9:c1acca0c r8:c15e88e4 r7:c6cabf60 r6:00000016 r5:00000000 r4:c6caa000 <4>[ 95.185456] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 95.195389] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 95.205755] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.215155] r5:c6830000 r4:00000030 <4>[ 95.219005] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.227288] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.235478] r9:c6cabf60 r8:c50fdd80 r7:00000016 r6:b6e5b000 r5:c5a86140 r4:c0c35700 <4>[ 95.243502] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 95.251605] r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e5b000 r5:c5a86140 r4:00000000 <4>[ 95.259621] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.267030] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6caa000 r5:c5a86140 <4>[ 95.275128] r4:c5a86140 <4>[ 95.277938] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.285346] r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000016 r4:00000016 <4>[ 95.293367] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.301206] Exception stack(0xc6cabfa8 to 0xc6cabff0) <4>[ 95.306531] bfa0: 00000016 00000016 00000001 b6e5b000 00000016 00000000 <4>[ 95.314981] bfc0: 00000016 00000016 b6fa2e00 00000004 00000001 00000000 00020000 be802a64 <4>[ 95.323428] bfe0: 00000004 be802798 b6f0d4cf b6e937e6 <4>[ 95.328852] irq event stamp: 0 <4>[ 95.332221] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.338079] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 95.345908] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 95.353735] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.359589] ---[ end trace 6556776c6b5d5072 ]--- <6>[ 95.364530] lkdtm: Negative detected: saturated # [ 95.039046] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 95.045511] lkdtm: attempting bad refcount_dec() below zero # [ 95.051483] ------------[ cut here ]------------ # [ 95.056418] WARNING: CPU: 1 PID: 2768 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 95.065184] refcount_t: decrement hit 0; leaking memory. # [ 95.070772] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.100326] CPU: 1 PID: 2768 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 95.108342] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.115139] Backtrace: # [ 95.117879] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.125723] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 95.131662] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.139253] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.146490] r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c # [ 95.154509] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.162262] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c6caa000 # [ 95.168199] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 95.177432] r9:c1acca0c r8:c15e88e4 r7:c6cabf60 r6:00000016 r5:00000000 r4:c6caa000 # [ 95.185456] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 95.195389] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 95.205755] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.215155] r5:c6830000 r4:00000030 # [ 95.219005] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.227288] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.235478] r9:c6cabf60 r8:c50fdd80 r7:00000016 r6:b6e5b000 r5:c5a86140 r4:c0c35700 # [ 95.243502] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.251605] r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e5b000 r5:c5a86140 r4:00000000 # [ 95.259621] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.267030] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6caa000 r5:c5a86140 # [ 95.275128] r4:c5a86140 # [ 95.277938] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.285346] r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000016 r4:00000016 # [ 95.293367] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.301206] Exception stack(0xc6cabfa8 to 0xc6cabff0) # [ 95.306531] bfa0: 00000016 00000016 00000001 b6e5b000 00000016 00000000 # [ 95.314981] bfc0: 00000016 00000016 b6fa2e00 00000004 00000001 00000000 00020000 be802a64 # [ 95.323428] bfe0: 00000004 be802798 b6f0d4cf b6e937e6 # [ 95.328852] irq event stamp: 0 # [ 95.332221] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.338079] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.345908] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.353735] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.359589] ---[ end trace 6556776c6b5d5072 ]--- # [ 95.364530] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh <6>[ 95.903568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 95.910644] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 95.917355] ------------[ cut here ]------------ <4>[ 95.922310] WARNING: CPU: 0 PID: 2803 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 95.931161] refcount_t: underflow; use-after-free. <4>[ 95.936226] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 95.965817] CPU: 0 PID: 2803 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 95.973834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.980630] Backtrace: <4>[ 95.983372] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.991216] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 95.997155] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.004744] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.011981] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c <4>[ 96.020002] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.027755] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5c34000 <4>[ 96.033691] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 96.043009] r9:c1acca24 r8:c15e88e4 r7:c5c35f60 r6:0000001f r5:00000000 r4:c5c34000 <4>[ 96.051031] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 96.061752] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 96.073678] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.083861] r5:c6925000 r4:00000031 <4>[ 96.087711] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.095992] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.104181] r9:c5c35f60 r8:c50fdd80 r7:0000001f r6:b6e0e000 r5:c690d180 r4:c0c35700 <4>[ 96.112204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 96.120306] r9:c07e17e8 r8:c5c35f60 r7:c2815800 r6:b6e0e000 r5:c690d180 r4:00000000 <4>[ 96.128322] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.135731] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5c34000 r5:c690d180 <4>[ 96.143827] r4:c690d180 <4>[ 96.146635] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.154044] r9:c5c34000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000001f r4:0000001f <4>[ 96.162064] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.169903] Exception stack(0xc5c35fa8 to 0xc5c35ff0) <4>[ 96.175228] 5fa0: 0000001f 0000001f 00000001 b6e0e000 0000001f 00000000 <4>[ 96.183679] 5fc0: 0000001f 0000001f b6f55e00 00000004 00000001 00000000 00020000 bed04a64 <4>[ 96.192127] 5fe0: 00000004 bed04798 b6ec04cf b6e467e6 <4>[ 96.197533] irq event stamp: 0 <4>[ 96.200872] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.206764] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 96.214700] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 96.222548] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.228402] ---[ end trace 6556776c6b5d5073 ]--- <6>[ 96.233332] lkdtm: Negative detected: saturated # [ 95.903568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 95.910644] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 95.917355] ------------[ cut here ]------------ # [ 95.922310] WARNING: CPU: 0 PID: 2803 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 95.931161] refcount_t: underflow; use-after-free. # [ 95.936226] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.965817] CPU: 0 PID: 2803 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 95.973834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.980630] Backtrace: # [ 95.983372] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.991216] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 95.997155] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.004744] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.011981] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c # [ 96.020002] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.027755] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5c34000 # [ 96.033691] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 96.043009] r9:c1acca24 r8:c15e88e4 r7:c5c35f60 r6:0000001f r5:00000000 r4:c5c34000 # [ 96.051031] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 96.061752] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 96.073678] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.083861] r5:c6925000 r4:00000031 # [ 96.087711] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.095992] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.104181] r9:c5c35f60 r8:c50fdd80 r7:0000001f r6:b6e0e000 r5:c690d180 r4:c0c35700 # [ 96.112204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.120306] r9:c07e17e8 r8:c5c35f60 r7:c2815800 r6:b6e0e000 r5:c690d180 r4:00000000 # [ 96.128322] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.135731] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5c34000 r5:c690d180 # [ 96.143827] r4:c690d180 # [ 96.146635] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.154044] r9:c5c34000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000001f r4:0000001f # [ 96.162064] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.169903] Exception stack(0xc5c35fa8 to 0xc5c35ff0) # [ 96.175228] 5fa0: 0000001f 0000001f 00000001 b6e0e000 0000001f 00000000 # [ 96.183679] 5fc0: 0000001f 0000001f b6f55e00 00000004 00000001 00000000 00020000 bed04a64 # [ 96.192127] 5fe0: 00000004 bed04798 b6ec04cf b6e467e6 # [ 96.197533] irq event stamp: 0 # [ 96.200872] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.206764] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.214700] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.222548] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.228402] ---[ end trace 6556776c6b5d5073 ]--- # [ 96.233332] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh <6>[ 96.798606] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 96.805730] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 96.812446] ------------[ cut here ]------------ <4>[ 96.817356] WARNING: CPU: 1 PID: 2838 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 96.826201] refcount_t: underflow; use-after-free. <4>[ 96.831316] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 96.860809] CPU: 1 PID: 2838 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 96.868823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.875623] Backtrace: <4>[ 96.878361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.886206] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 96.892145] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.899737] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.906974] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c <4>[ 96.914996] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.922749] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c688e000 <4>[ 96.928686] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 96.938005] r9:c1acca44 r8:c15e88e4 r7:c688ff60 r6:0000001f r5:c5939000 r4:c688e000 <4>[ 96.946028] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 96.956747] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 96.968672] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.978853] r4:00000032 <4>[ 96.981660] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.989943] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.998134] r9:c688ff60 r8:c50fdd80 r7:0000001f r6:b6ea6000 r5:c2fea280 r4:c0c35700 <4>[ 97.006154] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 97.014258] r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6ea6000 r5:c2fea280 r4:00000000 <4>[ 97.022273] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.029681] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c688e000 r5:c2fea280 <4>[ 97.037778] r4:c2fea280 <4>[ 97.040587] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.047995] r9:c688e000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f <4>[ 97.056014] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.063853] Exception stack(0xc688ffa8 to 0xc688fff0) <4>[ 97.069179] ffa0: 0000001f 0000001f 00000001 b6ea6000 0000001f 00000000 <4>[ 97.077630] ffc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 beefea64 <4>[ 97.086079] ffe0: 00000004 beefe798 b6f584cf b6ede7e6 <4>[ 97.091492] irq event stamp: 0 <4>[ 97.094833] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.100689] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 97.108517] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 97.116317] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.122217] ---[ end trace 6556776c6b5d5074 ]--- <6>[ 97.127118] lkdtm: Negative detected: saturated # [ 96.798606] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 96.805730] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 96.812446] ------------[ cut here ]------------ # [ 96.817356] WARNING: CPU: 1 PID: 2838 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 96.826201] refcount_t: underflow; use-after-free. # [ 96.831316] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.860809] CPU: 1 PID: 2838 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 96.868823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.875623] Backtrace: # [ 96.878361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.886206] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 96.892145] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.899737] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.906974] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c # [ 96.914996] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.922749] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c688e000 # [ 96.928686] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 96.938005] r9:c1acca44 r8:c15e88e4 r7:c688ff60 r6:0000001f r5:c5939000 r4:c688e000 # [ 96.946028] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 96.956747] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 96.968672] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.978853] r4:00000032 # [ 96.981660] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.989943] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.998134] r9:c688ff60 r8:c50fdd80 r7:0000001f r6:b6ea6000 r5:c2fea280 r4:c0c35700 # [ 97.006154] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.014258] r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6ea6000 r5:c2fea280 r4:00000000 # [ 97.022273] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.029681] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c688e000 r5:c2fea280 # [ 97.037778] r4:c2fea280 # [ 97.040587] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.047995] r9:c688e000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f # [ 97.056014] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.063853] Exception stack(0xc688ffa8 to 0xc688fff0) # [ 97.069179] ffa0: 0000001f 0000001f 00000001 b6ea6000 0000001f 00000000 # [ 97.077630] ffc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 beefea64 # [ 97.086079] ffe0: 00000004 beefe798 b6f584cf b6ede7e6 # [ 97.091492] irq event stamp: 0 # [ 97.094833] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.100689] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.108517] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.116317] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.122217] ---[ end trace 6556776c6b5d5074 ]--- # [ 97.127118] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 97.674756] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 97.680729] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 97.687543] lkdtm: Good: zero detected <6>[ 97.691682] lkdtm: Correctly stayed at zero <6>[ 97.696174] lkdtm: attempting bad refcount_inc() from zero <4>[ 97.701993] ------------[ cut here ]------------ <4>[ 97.706901] WARNING: CPU: 0 PID: 2870 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 97.715842] refcount_t: addition on 0; use-after-free. <4>[ 97.721301] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.750808] CPU: 0 PID: 2870 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 97.758823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.765620] Backtrace: <4>[ 97.768361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.776204] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 97.782142] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.789732] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.796966] r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c <4>[ 97.804985] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.812739] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c44fa000 <4>[ 97.818674] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 97.827993] r9:c1acca64 r8:c15e88e4 r7:c44fbf60 r6:00000012 r5:00000000 r4:c44fa000 <4>[ 97.836015] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 97.845951] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 97.855966] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.865019] r5:c6970000 r4:00000033 <4>[ 97.868868] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.877150] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.885339] r9:c44fbf60 r8:c50fdd80 r7:00000012 r6:b6e52000 r5:c47badc0 r4:c0c35700 <4>[ 97.893364] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 97.901466] r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6e52000 r5:c47badc0 r4:00000000 <4>[ 97.909482] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.916889] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c44fa000 r5:c47badc0 <4>[ 97.924986] r4:c47badc0 <4>[ 97.927794] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.935203] r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:00000012 r4:00000012 <4>[ 97.943222] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.951062] Exception stack(0xc44fbfa8 to 0xc44fbff0) <4>[ 97.956387] bfa0: 00000012 00000012 00000001 b6e52000 00000012 00000000 <4>[ 97.964839] bfc0: 00000012 00000012 b6f99e00 00000004 00000001 00000000 00020000 beb52a64 <4>[ 97.973289] bfe0: 00000004 beb52798 b6f044cf b6e8a7e6 <4>[ 97.978713] irq event stamp: 0 <4>[ 97.982092] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.987953] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 97.995754] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.003552] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.009403] ---[ end trace 6556776c6b5d5075 ]--- <6>[ 98.014330] lkdtm: Zero detected: saturated # [ 97.674756] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 97.680729] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 97.687543] lkdtm: Good: zero detected # [ 97.691682] lkdtm: Correctly stayed at zero # [ 97.696174] lkdtm: attempting bad refcount_inc() from zero # [ 97.701993] ------------[ cut here ]------------ # [ 97.706901] WARNING: CPU: 0 PID: 2870 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 97.715842] refcount_t: addition on 0; use-after-free. # [ 97.721301] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.750808] CPU: 0 PID: 2870 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 97.758823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.765620] Backtrace: # [ 97.768361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.776204] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 97.782142] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.789732] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.796966] r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c # [ 97.804985] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.812739] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c44fa000 # [ 97.818674] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 97.827993] r9:c1acca64 r8:c15e88e4 r7:c44fbf60 r6:00000012 r5:00000000 r4:c44fa000 # [ 97.836015] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 97.845951] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 97.855966] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.865019] r5:c6970000 r4:00000033 # [ 97.868868] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.877150] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.885339] r9:c44fbf60 r8:c50fdd80 r7:00000012 r6:b6e52000 r5:c47badc0 r4:c0c35700 # [ 97.893364] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.901466] r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6e52000 r5:c47badc0 r4:00000000 # [ 97.909482] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.916889] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c44fa000 r5:c47badc0 # [ 97.924986] r4:c47badc0 # [ 97.927794] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.935203] r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:00000012 r4:00000012 # [ 97.943222] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.951062] Exception stack(0xc44fbfa8 to 0xc44fbff0) # [ 97.956387] bfa0: 00000012 00000012 00000001 b6e52000 00000012 00000000 # [ 97.964839] bfc0: 00000012 00000012 b6f99e00 00000004 00000001 00000000 00020000 beb52a64 # [ 97.973289] bfe0: 00000004 beb52798 b6f044cf b6e8a7e6 # [ 97.978713] irq event stamp: 0 # [ 97.982092] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.987953] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.995754] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.003552] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.009403] ---[ end trace 6556776c6b5d5075 ]--- # [ 98.014330] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh <6>[ 98.553789] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 98.559734] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 98.566455] lkdtm: Good: zero detected <6>[ 98.570480] lkdtm: Correctly stayed at zero <6>[ 98.574987] lkdtm: attempting bad refcount_add() from zero <4>[ 98.580750] ------------[ cut here ]------------ <4>[ 98.585717] WARNING: CPU: 0 PID: 2904 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 98.594662] refcount_t: addition on 0; use-after-free. <4>[ 98.600076] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 98.629569] CPU: 0 PID: 2904 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 98.637582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.644379] Backtrace: <4>[ 98.647118] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.654963] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 98.660902] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.668492] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.675729] r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c <4>[ 98.683748] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.691502] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c5ac4000 <4>[ 98.697438] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 98.706755] r9:c1acca78 r8:c15e88e4 r7:c5ac5f60 r6:00000012 r5:00000000 r4:c5ac4000 <4>[ 98.714777] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 98.724712] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 98.734728] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.743781] r5:c6a27000 r4:00000034 <4>[ 98.747631] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.755913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.764102] r9:c5ac5f60 r8:c50fdd80 r7:00000012 r6:b6e86000 r5:c59d8000 r4:c0c35700 <4>[ 98.772125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 98.780229] r9:c07e17e8 r8:c5ac5f60 r7:c2815800 r6:b6e86000 r5:c59d8000 r4:00000000 <4>[ 98.788246] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.795654] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c5ac4000 r5:c59d8000 <4>[ 98.803750] r4:c59d8000 <4>[ 98.806558] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.813968] r9:c5ac4000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000012 r4:00000012 <4>[ 98.821987] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.829825] Exception stack(0xc5ac5fa8 to 0xc5ac5ff0) <4>[ 98.835152] 5fa0: 00000012 00000012 00000001 b6e86000 00000012 00000000 <4>[ 98.843606] 5fc0: 00000012 00000012 b6fcde00 00000004 00000001 00000000 00020000 bef12a64 <4>[ 98.852053] 5fe0: 00000004 bef12798 b6f384cf b6ebe7e6 <4>[ 98.857421] irq event stamp: 0 <4>[ 98.860760] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.866664] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.874548] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.882371] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.888223] ---[ end trace 6556776c6b5d5076 ]--- <6>[ 98.893150] lkdtm: Zero detected: saturated # [ 98.553789] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 98.559734] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 98.566455] lkdtm: Good: zero detected # [ 98.570480] lkdtm: Correctly stayed at zero # [ 98.574987] lkdtm: attempting bad refcount_add() from zero # [ 98.580750] ------------[ cut here ]------------ # [ 98.585717] WARNING: CPU: 0 PID: 2904 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 98.594662] refcount_t: addition on 0; use-after-free. # [ 98.600076] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.629569] CPU: 0 PID: 2904 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 98.637582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.644379] Backtrace: # [ 98.647118] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.654963] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 98.660902] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.668492] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.675729] r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c # [ 98.683748] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.691502] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c5ac4000 # [ 98.697438] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 98.706755] r9:c1acca78 r8:c15e88e4 r7:c5ac5f60 r6:00000012 r5:00000000 r4:c5ac4000 # [ 98.714777] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 98.724712] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 98.734728] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.743781] r5:c6a27000 r4:00000034 # [ 98.747631] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.755913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.764102] r9:c5ac5f60 r8:c50fdd80 r7:00000012 r6:b6e86000 r5:c59d8000 r4:c0c35700 # [ 98.772125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.780229] r9:c07e17e8 r8:c5ac5f60 r7:c2815800 r6:b6e86000 r5:c59d8000 r4:00000000 # [ 98.788246] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.795654] r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c5ac4000 r5:c59d8000 # [ 98.803750] r4:c59d8000 # [ 98.806558] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.813968] r9:c5ac4000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000012 r4:00000012 # [ 98.821987] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.829825] Exception stack(0xc5ac5fa8 to 0xc5ac5ff0) # [ 98.835152] 5fa0: 00000012 00000012 00000001 b6e86000 00000012 00000000 # [ 98.843606] 5fc0: 00000012 00000012 b6fcde00 00000004 00000001 00000000 00020000 bef12a64 # [ 98.852053] 5fe0: 00000004 bef12798 b6f384cf b6ebe7e6 # [ 98.857421] irq event stamp: 0 # [ 98.860760] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.866664] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.874548] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.882371] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.888223] ---[ end trace 6556776c6b5d5076 ]--- # [ 98.893150] 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>[ 99.491738] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 99.498145] lkdtm: attempting bad refcount_inc() from saturated <4>[ 99.504532] ------------[ cut here ]------------ <4>[ 99.509476] WARNING: CPU: 2 PID: 2941 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 99.518271] refcount_t: saturated; leaking memory. <4>[ 99.523376] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 99.552851] CPU: 2 PID: 2941 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 99.560867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.567663] Backtrace: <4>[ 99.570403] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.578247] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 99.584185] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.591774] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.599009] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c <4>[ 99.607029] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.614782] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c5a50000 <4>[ 99.620718] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 99.629949] r9:c1acca8c r8:c15e88e4 r7:c5a51f60 r6:00000017 r5:c5aa0000 r4:c5a50000 <4>[ 99.637969] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 99.647906] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 99.658358] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.667844] r4:00000035 <4>[ 99.670652] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.678934] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.687124] r9:c5a51f60 r8:c50fdd80 r7:00000017 r6:b6e9a000 r5:c68d6000 r4:c0c35700 <4>[ 99.695149] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 99.703252] r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e9a000 r5:c68d6000 r4:00000000 <4>[ 99.711268] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.718675] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c5a50000 r5:c68d6000 <4>[ 99.726772] r4:c68d6000 <4>[ 99.729580] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.736988] r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000017 r4:00000017 <4>[ 99.745009] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.752846] Exception stack(0xc5a51fa8 to 0xc5a51ff0) <4>[ 99.758171] 1fa0: 00000017 00000017 00000001 b6e9a000 00000017 00000000 <4>[ 99.766622] 1fc0: 00000017 00000017 b6fe1e00 00000004 00000001 00000000 00020000 beac2a64 <4>[ 99.775071] 1fe0: 00000004 beac2798 b6f4c4cf b6ed27e6 <4>[ 99.780462] irq event stamp: 0 <4>[ 99.783833] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.789688] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.797502] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.805333] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.811227] ---[ end trace 6556776c6b5d5077 ]--- <6>[ 99.816123] lkdtm: Saturation detected: still saturated # [ 99.491738] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 99.498145] lkdtm: attempting bad refcount_inc() from saturated # [ 99.504532] ------------[ cut here ]------------ # [ 99.509476] WARNING: CPU: 2 PID: 2941 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 99.518271] refcount_t: saturated; leaking memory. # [ 99.523376] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.552851] CPU: 2 PID: 2941 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 99.560867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.567663] Backtrace: # [ 99.570403] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.578247] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 99.584185] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.591774] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.599009] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c # [ 99.607029] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.614782] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c5a50000 # [ 99.620718] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 99.629949] r9:c1acca8c r8:c15e88e4 r7:c5a51f60 r6:00000017 r5:c5aa0000 r4:c5a50000 # [ 99.637969] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 99.647906] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 99.658358] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.667844] r4:00000035 # [ 99.670652] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.678934] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.687124] r9:c5a51f60 r8:c50fdd80 r7:00000017 r6:b6e9a000 r5:c68d6000 r4:c0c35700 # [ 99.695149] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.703252] r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e9a000 r5:c68d6000 r4:00000000 # [ 99.711268] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.718675] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c5a50000 r5:c68d6000 # [ 99.726772] r4:c68d6000 # [ 99.729580] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.736988] r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000017 r4:00000017 # [ 99.745009] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.752846] Exception stack(0xc5a51fa8 to 0xc5a51ff0) # [ 99.758171] 1fa0: 00000017 00000017 00000001 b6e9a000 00000017 00000000 # [ 99.766622] 1fc0: 00000017 00000017 b6fe1e00 00000004 00000001 00000000 00020000 beac2a64 # [ 99.775071] 1fe0: 00000004 beac2798 b6f4c4cf b6ed27e6 # [ 99.780462] irq event stamp: 0 # [ 99.783833] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.789688] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.797502] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.805333] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.811227] ---[ end trace 6556776c6b5d5077 ]--- # [ 99.816123] 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>[ 100.385932] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 100.392408] lkdtm: attempting bad refcount_dec() from saturated <4>[ 100.398604] ------------[ cut here ]------------ <4>[ 100.403556] WARNING: CPU: 2 PID: 2976 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 100.412316] refcount_t: decrement hit 0; leaking memory. <4>[ 100.417902] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 100.447413] CPU: 2 PID: 2976 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 100.455429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.462226] Backtrace: <4>[ 100.464965] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.472809] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 100.478746] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.486337] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.493571] r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c <4>[ 100.501592] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.509346] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c698a000 <4>[ 100.515281] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 100.524512] r9:c1accaa4 r8:c15e88e4 r7:c698bf60 r6:00000017 r5:c6bff000 r4:c698a000 <4>[ 100.532536] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 100.542469] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 100.552922] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.562408] r4:00000036 <4>[ 100.565214] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.573496] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.581685] r9:c698bf60 r8:c50fdd80 r7:00000017 r6:b6ea1000 r5:c59d8a00 r4:c0c35700 <4>[ 100.589706] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 100.597809] r9:c07e17e8 r8:c698bf60 r7:c2815800 r6:b6ea1000 r5:c59d8a00 r4:00000000 <4>[ 100.605825] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.613233] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c698a000 r5:c59d8a00 <4>[ 100.621330] r4:c59d8a00 <4>[ 100.624140] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.631547] r9:c698a000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:00000017 r4:00000017 <4>[ 100.639568] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.647406] Exception stack(0xc698bfa8 to 0xc698bff0) <4>[ 100.652732] bfa0: 00000017 00000017 00000001 b6ea1000 00000017 00000000 <4>[ 100.661182] bfc0: 00000017 00000017 b6fe8e00 00000004 00000001 00000000 00020000 be906a64 <4>[ 100.669632] bfe0: 00000004 be906798 b6f534cf b6ed97e6 <4>[ 100.675011] irq event stamp: 0 <4>[ 100.678351] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.684240] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.692064] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.699836] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.705749] ---[ end trace 6556776c6b5d5078 ]--- <6>[ 100.710654] lkdtm: Saturation detected: still saturated # [ 100.385932] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 100.392408] lkdtm: attempting bad refcount_dec() from saturated # [ 100.398604] ------------[ cut here ]------------ # [ 100.403556] WARNING: CPU: 2 PID: 2976 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 100.412316] refcount_t: decrement hit 0; leaking memory. # [ 100.417902] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.447413] CPU: 2 PID: 2976 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 100.455429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.462226] Backtrace: # [ 100.464965] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.472809] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 100.478746] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.486337] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.493571] r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c # [ 100.501592] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.509346] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c698a000 # [ 100.515281] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 100.524512] r9:c1accaa4 r8:c15e88e4 r7:c698bf60 r6:00000017 r5:c6bff000 r4:c698a000 # [ 100.532536] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 100.542469] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 100.552922] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.562408] r4:00000036 # [ 100.565214] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.573496] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.581685] r9:c698bf60 r8:c50fdd80 r7:00000017 r6:b6ea1000 r5:c59d8a00 r4:c0c35700 # [ 100.589706] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.597809] r9:c07e17e8 r8:c698bf60 r7:c2815800 r6:b6ea1000 r5:c59d8a00 r4:00000000 # [ 100.605825] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.613233] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c698a000 r5:c59d8a00 # [ 100.621330] r4:c59d8a00 # [ 100.624140] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.631547] r9:c698a000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:00000017 r4:00000017 # [ 100.639568] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.647406] Exception stack(0xc698bfa8 to 0xc698bff0) # [ 100.652732] bfa0: 00000017 00000017 00000001 b6ea1000 00000017 00000000 # [ 100.661182] bfc0: 00000017 00000017 b6fe8e00 00000004 00000001 00000000 00020000 be906a64 # [ 100.669632] bfe0: 00000004 be906798 b6f534cf b6ed97e6 # [ 100.675011] irq event stamp: 0 # [ 100.678351] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.684240] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.692064] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.699836] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.705749] ---[ end trace 6556776c6b5d5078 ]--- # [ 100.710654] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh <6>[ 101.268691] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 101.275363] lkdtm: attempting bad refcount_dec() from saturated <4>[ 101.281714] ------------[ cut here ]------------ <4>[ 101.286655] WARNING: CPU: 1 PID: 3011 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 101.295432] refcount_t: saturated; leaking memory. <4>[ 101.300500] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 101.330005] CPU: 1 PID: 3011 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 101.338019] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.344816] Backtrace: <4>[ 101.347556] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.355401] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 101.361338] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.368928] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.376164] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c <4>[ 101.384184] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.391938] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000 <4>[ 101.397875] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 101.407106] r9:c1accabc r8:c15e88e4 r7:c44fbf60 r6:00000017 r5:c2c87000 r4:c44fa000 <4>[ 101.415129] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 101.425064] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 101.435515] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.445002] r4:00000037 <4>[ 101.447811] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.456094] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.464284] r9:c44fbf60 r8:c50fdd80 r7:00000017 r6:b6dbd000 r5:c59bf2c0 r4:c0c35700 <4>[ 101.472309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 101.480411] r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c59bf2c0 r4:00000000 <4>[ 101.488427] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.495835] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c59bf2c0 <4>[ 101.503931] r4:c59bf2c0 <4>[ 101.506741] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.514150] r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000017 r4:00000017 <4>[ 101.522168] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.530007] Exception stack(0xc44fbfa8 to 0xc44fbff0) <4>[ 101.535332] bfa0: 00000017 00000017 00000001 b6dbd000 00000017 00000000 <4>[ 101.543782] bfc0: 00000017 00000017 b6f04e00 00000004 00000001 00000000 00020000 beeefa64 <4>[ 101.552228] bfe0: 00000004 beeef798 b6e6f4cf b6df57e6 <4>[ 101.557633] irq event stamp: 0 <4>[ 101.560974] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.566865] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.574684] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.582531] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.588387] ---[ end trace 6556776c6b5d5079 ]--- <6>[ 101.593332] lkdtm: Saturation detected: still saturated # [ 101.268691] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 101.275363] lkdtm: attempting bad refcount_dec() from saturated # [ 101.281714] ------------[ cut here ]------------ # [ 101.286655] WARNING: CPU: 1 PID: 3011 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 101.295432] refcount_t: saturated; leaking memory. # [ 101.300500] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.330005] CPU: 1 PID: 3011 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 101.338019] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.344816] Backtrace: # [ 101.347556] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.355401] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 101.361338] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.368928] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.376164] r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c # [ 101.384184] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.391938] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000 # [ 101.397875] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 101.407106] r9:c1accabc r8:c15e88e4 r7:c44fbf60 r6:00000017 r5:c2c87000 r4:c44fa000 # [ 101.415129] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 101.425064] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 101.435515] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.445002] r4:00000037 # [ 101.447811] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.456094] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.464284] r9:c44fbf60 r8:c50fdd80 r7:00000017 r6:b6dbd000 r5:c59bf2c0 r4:c0c35700 # [ 101.472309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.480411] r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c59bf2c0 r4:00000000 # [ 101.488427] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.495835] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c59bf2c0 # [ 101.503931] r4:c59bf2c0 # [ 101.506741] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.514150] r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000017 r4:00000017 # [ 101.522168] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.530007] Exception stack(0xc44fbfa8 to 0xc44fbff0) # [ 101.535332] bfa0: 00000017 00000017 00000001 b6dbd000 00000017 00000000 # [ 101.543782] bfc0: 00000017 00000017 b6f04e00 00000004 00000001 00000000 00020000 beeefa64 # [ 101.552228] bfe0: 00000004 beeef798 b6e6f4cf b6df57e6 # [ 101.557633] irq event stamp: 0 # [ 101.560974] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.566865] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.574684] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.582531] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.588387] ---[ end trace 6556776c6b5d5079 ]--- # [ 101.593332] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh <6>[ 102.145906] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 102.153192] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 102.160195] ------------[ cut here ]------------ <4>[ 102.165165] WARNING: CPU: 1 PID: 3043 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 102.173940] refcount_t: saturated; leaking memory. <4>[ 102.179006] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 102.208504] CPU: 1 PID: 3043 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 102.216520] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.223317] Backtrace: <4>[ 102.226057] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.233902] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 102.239838] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.247430] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 102.254666] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c <4>[ 102.262685] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.270440] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c688e000 <4>[ 102.276378] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 102.285609] r9:c1accad4 r8:c15e88e4 r7:c688ff60 r6:00000020 r5:c2c87000 r4:c0000000 <4>[ 102.293636] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 102.304353] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 102.316358] r5:c2c87000 r4:c688e000 <4>[ 102.320214] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.330482] r4:00000038 <4>[ 102.333290] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.341573] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.349764] r9:c688ff60 r8:c50fdd80 r7:00000020 r6:b6dcb000 r5:c59beb40 r4:c0c35700 <4>[ 102.357790] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 102.365892] r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6dcb000 r5:c59beb40 r4:00000000 <4>[ 102.373909] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.381317] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c688e000 r5:c59beb40 <4>[ 102.389413] r4:c59beb40 <4>[ 102.392222] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.399631] r9:c688e000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000020 r4:00000020 <4>[ 102.407650] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.415489] Exception stack(0xc688ffa8 to 0xc688fff0) <4>[ 102.420814] ffa0: 00000020 00000020 00000001 b6dcb000 00000020 00000000 <4>[ 102.429266] ffc0: 00000020 00000020 b6f12e00 00000004 00000001 00000000 00020000 beb93a64 <4>[ 102.437715] ffe0: 00000004 beb93798 b6e7d4cf b6e037e6 <4>[ 102.443120] irq event stamp: 0 <4>[ 102.446461] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.452352] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 102.460128] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 102.467960] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.473856] ---[ end trace 6556776c6b5d507a ]--- <6>[ 102.478760] lkdtm: Saturation detected: still saturated # [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 # [ 0.000000] Switching to timer-based delay loop, resolution 15ns # [ 102.145906] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 102.153192] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 102.160195] ------------[ cut here ]------------ # [ 102.165165] WARNING: CPU: 1 PID: 3043 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 102.173940] refcount_t: saturated; leaking memory. # [ 102.179006] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.208504] CPU: 1 PID: 3043 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 102.216520] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.223317] Backtrace: # [ 102.226057] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.233902] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 102.239838] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.247430] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.254666] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c # [ 102.262685] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.270440] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c688e000 # [ 102.276378] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 102.285609] r9:c1accad4 r8:c15e88e4 r7:c688ff60 r6:00000020 r5:c2c87000 r4:c0000000 # [ 102.293636] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 102.304353] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 102.316358] r5:c2c87000 r4:c688e000 # [ 102.320214] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.330482] r4:00000038 # [ 102.333290] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.341573] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.349764] r9:c688ff60 r8:c50fdd80 r7:00000020 r6:b6dcb000 r5:c59beb40 r4:c0c35700 # [ 102.357790] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.365892] r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6dcb000 r5:c59beb40 r4:00000000 # [ 102.373909] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.381317] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c688e000 r5:c59beb40 # [ 102.389413] r4:c59beb40 # [ 102.392222] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.399631] r9:c688e000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000020 r4:00000020 # [ 102.407650] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.415489] Exception stack(0xc688ffa8 to 0xc688fff0) # [ 102.420814] ffa0: 00000020 00000020 00000001 b6dcb000 00000020 00000000 # [ 102.429266] ffc0: 00000020 00000020 b6f12e00 00000004 00000001 00000000 00020000 beb93a64 # [ 102.437715] ffe0: 00000004 beb93798 b6e7d4cf b6e037e6 # [ 102.443120] irq event stamp: 0 # [ 102.446461] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.452352] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.460128] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.467960] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.473856] ---[ end trace 6556776c6b5d507a ]--- # [ 102.478760] 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>[ 103.039909] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 103.047141] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 103.054211] ------------[ cut here ]------------ <4>[ 103.059123] WARNING: CPU: 0 PID: 3077 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 103.067879] refcount_t: saturated; leaking memory. <4>[ 103.072989] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 103.102602] CPU: 0 PID: 3077 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 103.110617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 103.117414] Backtrace: <4>[ 103.120155] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 103.128002] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 103.133942] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 103.141533] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 103.148771] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c <4>[ 103.156792] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 103.164548] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c69a0000 <4>[ 103.170484] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 103.179715] r9:c1accaf4 r8:c15e88e4 r7:c69a1f60 r6:00000020 r5:c5b26000 r4:c0000000 <4>[ 103.187740] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 103.198455] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 103.210460] r5:c5b26000 r4:c69a0000 <4>[ 103.214318] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 103.224588] r4:00000039 <4>[ 103.227397] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 103.235682] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 103.243873] r9:c69a1f60 r8:c50fdd80 r7:00000020 r6:b6e02000 r5:c68b8000 r4:c0c35700 <4>[ 103.251894] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 103.259997] r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e02000 r5:c68b8000 r4:00000000 <4>[ 103.268013] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 103.275423] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c69a0000 r5:c68b8000 <4>[ 103.283520] r4:c68b8000 <4>[ 103.286330] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 103.293738] r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000020 r4:00000020 <4>[ 103.301757] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.309596] Exception stack(0xc69a1fa8 to 0xc69a1ff0) <4>[ 103.314923] 1fa0: 00000020 00000020 00000001 b6e02000 00000020 00000000 <4>[ 103.323375] 1fc0: 00000020 00000020 b6f49e00 00000004 00000001 00000000 00020000 be94da64 <4>[ 103.331823] 1fe0: 00000004 be94d798 b6eb44cf b6e3a7e6 <4>[ 103.337202] irq event stamp: 0 <4>[ 103.340543] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 103.346439] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.354294] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 103.362111] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 103.367963] ---[ end trace 6556776c6b5d507b ]--- <6>[ 103.372894] lkdtm: Saturation detected: still saturated # [ 103.039909] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 103.047141] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 103.054211] ------------[ cut here ]------------ # [ 103.059123] WARNING: CPU: 0 PID: 3077 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 103.067879] refcount_t: saturated; leaking memory. # [ 103.072989] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 103.102602] CPU: 0 PID: 3077 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 103.110617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.117414] Backtrace: # [ 103.120155] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.128002] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 103.133942] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.141533] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 103.148771] r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c # [ 103.156792] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 103.164548] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c69a0000 # [ 103.170484] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 103.179715] r9:c1accaf4 r8:c15e88e4 r7:c69a1f60 r6:00000020 r5:c5b26000 r4:c0000000 # [ 103.187740] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 103.198455] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 103.210460] r5:c5b26000 r4:c69a0000 # [ 103.214318] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.224588] r4:00000039 # [ 103.227397] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.235682] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.243873] r9:c69a1f60 r8:c50fdd80 r7:00000020 r6:b6e02000 r5:c68b8000 r4:c0c35700 # [ 103.251894] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.259997] r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e02000 r5:c68b8000 r4:00000000 # [ 103.268013] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.275423] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c69a0000 r5:c68b8000 # [ 103.283520] r4:c68b8000 # [ 103.286330] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.293738] r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000020 r4:00000020 # [ 103.301757] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.309596] Exception stack(0xc69a1fa8 to 0xc69a1ff0) # [ 103.314923] 1fa0: 00000020 00000020 00000001 b6e02000 00000020 00000000 # [ 103.323375] 1fc0: 00000020 00000020 b6f49e00 00000004 00000001 00000000 00020000 be94da64 # [ 103.331823] 1fe0: 00000004 be94d798 b6eb44cf b6e3a7e6 # [ 103.337202] irq event stamp: 0 # [ 103.340543] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.346439] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.354294] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.362111] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.367963] ---[ end trace 6556776c6b5d507b ]--- # [ 103.372894] 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>[ 103.965752] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 103.973051] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 103.980053] ------------[ cut here ]------------ <4>[ 103.985053] WARNING: CPU: 1 PID: 3114 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 103.993904] refcount_t: underflow; use-after-free. <4>[ 103.998971] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 104.028480] CPU: 1 PID: 3114 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 104.036495] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.043294] Backtrace: <4>[ 104.046034] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.053879] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 104.059818] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.067408] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.074646] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c <4>[ 104.082665] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.090419] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c6caa000 <4>[ 104.096356] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 104.105675] r9:c1accb14 r8:c15e88e4 r7:c6cabf60 r6:00000020 r5:c6c81000 r4:c6caa000 <4>[ 104.113699] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 104.124418] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 104.136434] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 104.146705] r4:0000003a <4>[ 104.149514] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 104.157797] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 104.165990] r9:c6cabf60 r8:c50fdd80 r7:00000020 r6:b6e8a000 r5:c59bf180 r4:c0c35700 <4>[ 104.174013] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 104.182116] r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e8a000 r5:c59bf180 r4:00000000 <4>[ 104.190132] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 104.197542] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6caa000 r5:c59bf180 <4>[ 104.205640] r4:c59bf180 <4>[ 104.208448] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 104.215857] r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000020 r4:00000020 <4>[ 104.223877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 104.231715] Exception stack(0xc6cabfa8 to 0xc6cabff0) <4>[ 104.237042] bfa0: 00000020 00000020 00000001 b6e8a000 00000020 00000000 <4>[ 104.245493] bfc0: 00000020 00000020 b6fd1e00 00000004 00000001 00000000 00020000 beb5ea64 <4>[ 104.253942] bfe0: 00000004 beb5e798 b6f3c4cf b6ec27e6 <4>[ 104.259367] irq event stamp: 0 <4>[ 104.262743] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 104.268602] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 104.276423] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 104.284246] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 104.290102] ---[ end trace 6556776c6b5d507c ]--- <6>[ 104.295039] lkdtm: Saturation detected: still saturated # [ 103.965752] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 103.973051] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 103.980053] ------------[ cut here ]------------ # [ 103.985053] WARNING: CPU: 1 PID: 3114 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 103.993904] refcount_t: underflow; use-after-free. # [ 103.998971] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.028480] CPU: 1 PID: 3114 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 104.036495] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.043294] Backtrace: # [ 104.046034] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.053879] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 104.059818] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.067408] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.074646] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c # [ 104.082665] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.090419] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c6caa000 # [ 104.096356] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 104.105675] r9:c1accb14 r8:c15e88e4 r7:c6cabf60 r6:00000020 r5:c6c81000 r4:c6caa000 # [ 104.113699] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 104.124418] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 104.136434] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.146705] r4:0000003a # [ 104.149514] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.157797] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.165990] r9:c6cabf60 r8:c50fdd80 r7:00000020 r6:b6e8a000 r5:c59bf180 r4:c0c35700 # [ 104.174013] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.182116] r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e8a000 r5:c59bf180 r4:00000000 # [ 104.190132] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.197542] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6caa000 r5:c59bf180 # [ 104.205640] r4:c59bf180 # [ 104.208448] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.215857] r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000020 r4:00000020 # [ 104.223877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.231715] Exception stack(0xc6cabfa8 to 0xc6cabff0) # [ 104.237042] bfa0: 00000020 00000020 00000001 b6e8a000 00000020 00000000 # [ 104.245493] bfc0: 00000020 00000020 b6fd1e00 00000004 00000001 00000000 00020000 beb5ea64 # [ 104.253942] bfe0: 00000004 beb5e798 b6f3c4cf b6ec27e6 # [ 104.259367] irq event stamp: 0 # [ 104.262743] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.268602] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.276423] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.284246] softirqs last disabled at (0): [<00000000>] 0x0 # [ 104.290102] ---[ end trace 6556776c6b5d507c ]--- # [ 104.295039] 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>[ 104.869124] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 104.876412] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 104.883489] ------------[ cut here ]------------ <4>[ 104.888432] WARNING: CPU: 2 PID: 3149 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 104.897310] refcount_t: underflow; use-after-free. <4>[ 104.902412] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 104.931920] CPU: 2 PID: 3149 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 104.939934] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.946730] Backtrace: <4>[ 104.949471] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.957316] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 104.963255] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.970846] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.978083] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c <4>[ 104.986104] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.993858] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5ab0000 <4>[ 104.999796] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 105.009116] r9:c1accb34 r8:c15e88e4 r7:c5ab1f60 r6:00000020 r5:c5aa0000 r4:c5ab0000 <4>[ 105.017141] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 105.027860] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 105.039876] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.050143] r4:0000003b <4>[ 105.052951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.061236] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.069425] r9:c5ab1f60 r8:c50fdd80 r7:00000020 r6:b6de7000 r5:c5a7c280 r4:c0c35700 <4>[ 105.077448] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 105.085551] r9:c07e17e8 r8:c5ab1f60 r7:c2815800 r6:b6de7000 r5:c5a7c280 r4:00000000 <4>[ 105.093567] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.100976] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5ab0000 r5:c5a7c280 <4>[ 105.109072] r4:c5a7c280 <4>[ 105.111881] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.119289] r9:c5ab0000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000020 r4:00000020 <4>[ 105.127310] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.135149] Exception stack(0xc5ab1fa8 to 0xc5ab1ff0) <4>[ 105.140474] 1fa0: 00000020 00000020 00000001 b6de7000 00000020 00000000 <4>[ 105.148925] 1fc0: 00000020 00000020 b6f2ee00 00000004 00000001 00000000 00020000 bed9fa64 <4>[ 105.157375] 1fe0: 00000004 bed9f798 b6e994cf b6e1f7e6 <4>[ 105.162771] irq event stamp: 0 <4>[ 105.166112] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.172002] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.179773] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 105.187578] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 105.193460] ---[ end trace 6556776c6b5d507d ]--- <6>[ 105.198365] lkdtm: Saturation detected: still saturated # [ 104.869124] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 104.876412] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 104.883489] ------------[ cut here ]------------ # [ 104.888432] WARNING: CPU: 2 PID: 3149 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 104.897310] refcount_t: underflow; use-after-free. # [ 104.902412] 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 dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.931920] CPU: 2 PID: 3149 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 104.939934] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.946730] Backtrace: # [ 104.949471] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.957316] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 104.963255] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.970846] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.978083] r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c # [ 104.986104] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.993858] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5ab0000 # [ 104.999796] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 105.009116] r9:c1accb34 r8:c15e88e4 r7:c5ab1f60 r6:00000020 r5:c5aa0000 r4:c5ab0000 # [ 105.017141] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 105.027860] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 105.039876] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.050143] r4:0000003b # [ 105.052951] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.061236] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.069425] r9:c5ab1f60 r8:c50fdd80 r7:00000020 r6:b6de7000 r5:c5a7c280 r4:c0c35700 # [ 105.077448] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.085551] r9:c07e17e8 r8:c5ab1f60 r7:c2815800 r6:b6de7000 r5:c5a7c280 r4:00000000 # [ 105.093567] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.100976] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5ab0000 r5:c5a7c280 # [ 105.109072] r4:c5a7c280 # [ 105.111881] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.119289] r9:c5ab0000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000020 r4:00000020 # [ 105.127310] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.135149] Exception stack(0xc5ab1fa8 to 0xc5ab1ff0) # [ 105.140474] 1fa0: 00000020 00000020 00000001 b6de7000 00000020 00000000 # [ 105.148925] 1fc0: 00000020 00000020 b6f2ee00 00000004 00000001 00000000 00020000 bed9fa64 # [ 105.157375] 1fe0: 00000004 bed9f798 b6e994cf b6e1f7e6 # [ 105.162771] irq event stamp: 0 # [ 105.166112] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.172002] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.179773] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.187578] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.193460] ---[ end trace 6556776c6b5d507d ]--- # [ 105.198365] 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>[ 106.220797] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 106.227185] lkdtm: attempting good copy_to_user of correct size <6>[ 106.233465] lkdtm: attempting bad copy_to_user of too large size # [ 106.220797] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 106.227185] lkdtm: attempting good copy_to_user of correct size # [ 106.233465] 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>[ 106.772537] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 106.779021] lkdtm: attempting good copy_from_user of correct size <6>[ 106.785505] lkdtm: attempting bad copy_from_user of too large size # [ 106.772537] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 106.779021] lkdtm: attempting good copy_from_user of correct size # [ 106.785505] 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>[ 107.320794] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 107.327629] lkdtm: attempting good copy_to_user inside whitelist <6>[ 107.333997] lkdtm: attempting bad copy_to_user outside whitelist # [ 107.320794] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 107.327629] lkdtm: attempting good copy_to_user inside whitelist # [ 107.333997] 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>[ 107.856037] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 107.863130] lkdtm: attempting good copy_from_user inside whitelist <6>[ 107.869644] lkdtm: attempting bad copy_from_user outside whitelist # [ 107.856037] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 107.863130] lkdtm: attempting good copy_from_user inside whitelist # [ 107.869644] 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>[ 108.414305] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 108.420810] lkdtm: good_stack: c5bdde0c-c5bdde2c <6>[ 108.425811] lkdtm: bad_stack : c5bddd84-c5bddda4 <6>[ 108.430753] lkdtm: attempting good copy_to_user of local stack <6>[ 108.436973] lkdtm: attempting bad copy_to_user of distant stack # [ 108.414305] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 108.420810] lkdtm: good_stack: c5bdde0c-c5bdde2c # [ 108.425811] lkdtm: bad_stack : c5bddd84-c5bddda4 # [ 108.430753] lkdtm: attempting good copy_to_user of local stack # [ 108.436973] 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>[ 108.979238] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 108.986009] lkdtm: good_stack: c688fe0c-c688fe2c <6>[ 108.990925] lkdtm: bad_stack : c688fd84-c688fda4 <6>[ 108.995917] lkdtm: attempting good copy_from_user of local stack <6>[ 109.002281] lkdtm: attempting bad copy_from_user of distant stack # [ 108.979238] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 108.986009] lkdtm: good_stack: c688fe0c-c688fe2c # [ 108.990925] lkdtm: bad_stack : c688fd84-c688fda4 # [ 108.995917] lkdtm: attempting good copy_from_user of local stack # [ 109.002281] 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>[ 109.530489] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 109.536930] lkdtm: good_stack: c5c2fe0c-c5c2fe2c <6>[ 109.541888] lkdtm: bad_stack : c5c2fffc-c5c3001c <6>[ 109.546799] lkdtm: attempting good copy_to_user of local stack <6>[ 109.552995] lkdtm: attempting bad copy_to_user of distant stack # [ 109.530489] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 109.536930] lkdtm: good_stack: c5c2fe0c-c5c2fe2c # [ 109.541888] lkdtm: bad_stack : c5c2fffc-c5c3001c # [ 109.546799] lkdtm: attempting good copy_to_user of local stack # [ 109.552995] 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>[ 110.094502] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 110.100325] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 <6>[ 110.107791] lkdtm: attempting bad copy_to_user from kernel text: c053af58 <3>[ 110.114906] lkdtm: FAIL: survived bad copy_to_user() # [ 110.094502] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 110.100325] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 # [ 110.107791] lkdtm: attempting bad copy_to_user from kernel text: c053af58 # [ 110.114906] 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>[ 111.107088] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 111.113164] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 111.120494] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 111.127748] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 111.134102] CPU: 0 PID: 3514 Comm: cat Tainted: G D W 5.10.170-cip27 #1 <4>[ 111.142118] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 111.148913] Backtrace: <4>[ 111.151656] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 111.159501] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 111.165440] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 111.173035] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 111.181835] r9:c1accc3c r8:c15e88e4 r7:c5ac3f60 r6:c5ac3e34 r5:c5ac2000 r4:0000078d <4>[ 111.189857] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 111.198916] r8:c15e88e4 r7:c5ac3f60 r6:00000012 r5:c695b000 r4:00000046 <4>[ 111.205893] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 111.214174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 111.222367] r9:c5ac3f60 r8:c50fdd80 r7:00000012 r6:b6eac000 r5:c29c97c0 r4:c0c35700 <4>[ 111.230394] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 111.238497] r9:c07e17e8 r8:c5ac3f60 r7:c2815800 r6:b6eac000 r5:c29c97c0 r4:00000000 <4>[ 111.246515] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 111.253924] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5ac2000 r5:c29c97c0 <4>[ 111.262022] r4:c29c97c0 <4>[ 111.264832] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 111.272241] r9:c5ac2000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000012 r4:00000012 <4>[ 111.280263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 111.288103] Exception stack(0xc5ac3fa8 to 0xc5ac3ff0) <4>[ 111.293430] 3fa0: 00000012 00000012 00000001 b6eac000 00000012 00000000 <4>[ 111.301882] 3fc0: 00000012 00000012 b6ff3e00 00000004 00000001 00000000 00020000 bed2fa64 <4>[ 111.310329] 3fe0: 00000004 bed2f798 b6f5e4cf b6ee47e6 # [ 111.107088] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 111.113164] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 111.120494] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 111.127748] lkdtm: FAIL: the thread stack is NOT properly erased # [ 111.134102] CPU: 0 PID: 3514 Comm: cat Tainted: G D W 5.10.170-cip27 #1 # [ 111.142118] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.148913] Backtrace: # [ 111.151656] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 111.159501] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 111.165440] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 111.173035] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 111.181835] r9:c1accc3c r8:c15e88e4 r7:c5ac3f60 r6:c5ac3e34 r5:c5ac2000 r4:0000078d # [ 111.189857] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.198916] r8:c15e88e4 r7:c5ac3f60 r6:00000012 r5:c695b000 r4:00000046 # [ 111.205893] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.214174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.222367] r9:c5ac3f60 r8:c50fdd80 r7:00000012 r6:b6eac000 r5:c29c97c0 r4:c0c35700 # [ 111.230394] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.238497] r9:c07e17e8 r8:c5ac3f60 r7:c2815800 r6:b6eac000 r5:c29c97c0 r4:00000000 # [ 111.246515] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.253924] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5ac2000 r5:c29c97c0 # [ 111.262022] r4:c29c97c0 # [ 111.264832] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 111.272241] r9:c5ac2000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000012 r4:00000012 # [ 111.280263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.288103] Exception stack(0xc5ac3fa8 to 0xc5ac3ff0) # [ 111.293430] 3fa0: 00000012 00000012 00000001 b6eac000 00000012 00000000 # [ 111.301882] 3fc0: 00000012 00000012 b6ff3e00 00000004 00000001 00000000 00020000 bed2fa64 # [ 111.310329] 3fe0: 00000004 bed2f798 b6f5e4cf b6ee47e6 # 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>[ 111.853907] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 111.859854] lkdtm: Calling matched prototype ... <6>[ 111.864809] lkdtm: Calling mismatched prototype ... <6>[ 111.869965] lkdtm: Fail: survived mismatched prototype function call! # [ 111.853907] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 111.859854] lkdtm: Calling matched prototype ... # [ 111.864809] lkdtm: Calling mismatched prototype ... # [ 111.869965] 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 / #