[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.33 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 9315022/tftp-deploy-t27h_cqf/kernel/zImage tftp 0x10000000 9315022/tftp-deploy-t27h_cqf/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9315022/tftp-deploy-t27h_cqf/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 5.6 MiB/s done Bytes transferred = 12341760 (bc5200 hex) => tftp 0x14000000 9315022/tftp-deploy-t27h_cqf/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 9315022/tftp-deploy-t27h_cqf/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9315022/tftp-deploy-t27h_cqf/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############## 8.1 MiB/s done Bytes transferred = 15458077 (ebdf1d hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 9315022/tftp-deploy-t27h_cqf/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 9315022/tftp-deploy-t27h_cqf/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9315022/tftp-deploy-t27h_cqf/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 6.7 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9315022/extract-nfsrootfs-v0w2adxe,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9315022/extract-nfsrootfs-v0w2adxe,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc5200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15458013 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 5.10.168-cip27 (KernelCI@build-j1098607-arm-gcc-10-multi-v7-defconfig-kselftest-gkl6k) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Feb 24 09:59:56 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9315022/extract-nfsrootfs-v0w2adxe,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: 921428K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6691K bss, 61612K 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 55427 entries in 163 pages <6>[ 0.000000] ftrace: allocated 163 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022939] Console: colour dummy device 80x30 <4>[ 0.024845] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032851] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037196] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041608] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046242] ... CLASSHASH_SIZE: 4096 <4>[ 0.050830] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055551] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060225] ... CHAINHASH_SIZE: 32768 <4>[ 0.064924] memory used by lock dependency info: 4061 kB <4>[ 0.070603] memory used for stack traces: 2112 kB <4>[ 0.075649] per task-struct memory footprint: 1536 bytes <6>[ 0.081336] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091753] pid_max: default: 32768 minimum: 301 <6>[ 0.096988] LSM: Security Framework initializing <6>[ 0.101545] LSM support for eBPF active <6>[ 0.105706] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.113142] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123749] CPU: Testing write buffer coherency: ok <6>[ 0.126302] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132524] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141436] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147871] rcu: Hierarchical SRCU implementation. <6>[ 0.160002] EFI services will not be available. <6>[ 0.163256] smp: Bringing up secondary CPUs ... <6>[ 0.170076] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.170091] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.182545] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.182560] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.194674] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.194689] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.203937] smp: Brought up 1 node, 4 CPUs <6>[ 0.207570] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.213878] CPU: All CPU(s) started in SVC mode. <6>[ 0.221555] devtmpfs: initialized <6>[ 0.282183] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.290060] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.297559] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.309373] pinctrl core: initialized pinctrl subsystem <6>[ 0.319014] DMI not present or invalid. <6>[ 0.322598] NET: Registered protocol family 16 <6>[ 0.337179] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.351178] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.351728] cpuidle: using governor menu <6>[ 0.359894] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 1.110505] vdd1p1: supplied by regulator-dummy <6>[ 1.144442] vdd3p0: supplied by regulator-dummy <6>[ 1.177899] vdd2p5: supplied by regulator-dummy <6>[ 1.211229] vddarm: supplied by regulator-dummy <6>[ 1.245630] vddpu: supplied by regulator-dummy <6>[ 1.277858] vddsoc: supplied by regulator-dummy <6>[ 2.610929] No ATAGs? <6>[ 2.611703] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.618971] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.645090] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.679256] Serial: AMBA PL011 UART driver <6>[ 2.746792] Kprobes globally optimized <6>[ 2.870362] iommu: Default domain type: Translated <6>[ 2.874920] vgaarb: loaded <5>[ 2.880462] SCSI subsystem initialized <6>[ 2.883783] usbcore: registered new interface driver usbfs <6>[ 2.887749] usbcore: registered new interface driver hub <6>[ 2.893195] usbcore: registered new device driver usb <6>[ 2.906098] i2c i2c-0: IMX I2C adapter registered <6>[ 2.915617] i2c i2c-1: IMX I2C adapter registered <6>[ 2.922422] i2c i2c-2: IMX I2C adapter registered <6>[ 2.929278] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.931682] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.941246] PTP clock support registered <6>[ 2.961920] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.683529] NET: Registered protocol family 2 <6>[ 4.686033] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.696450] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.702569] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.710527] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.719293] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.725746] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.732482] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.739199] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.747055] NET: Registered protocol family 1 <6>[ 4.753838] RPC: Registered named UNIX socket transport module. <6>[ 4.757246] RPC: Registered udp transport module. <6>[ 4.762293] RPC: Registered tcp transport module. <6>[ 4.767154] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.773957] NET: Registered protocol family 44 <6>[ 4.778578] PCI: CLS 0 bytes, default 64 <6>[ 4.785306] Trying to unpack rootfs image as initramfs... <6>[ 6.697805] Freeing initrd memory: 15096K <4>[ 6.700754] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.707856] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.724533] Initialise system trusted keyrings <6>[ 6.727952] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.786791] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.794443] NFS: Registering the id_resolver key type <5>[ 6.797075] Key type id_resolver registered <5>[ 6.801386] Key type id_legacy registered <6>[ 6.806338] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.812730] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.820402] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.827117] Key type asymmetric registered <5>[ 6.829292] Asymmetric key parser 'x509' registered <6>[ 6.834785] bounce: pool size: 64 pages <6>[ 6.838561] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.846234] io scheduler mq-deadline registered <6>[ 6.850876] io scheduler kyber registered <4>[ 6.856169] test_firmware: interface ready <6>[ 7.044970] mxs-dma 110000.dma-apbh: initialized <4>[ 7.114155] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 7.121304] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 7.391782] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 7.417041] SuperH (H)SCI(F) driver initialized <6>[ 7.422140] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 7.433660] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 7.440131] printk: console [ttymxc1] enabled <6>[ 7.440131] printk: console [ttymxc1] enabled <6>[ 7.449021] printk: bootconsole [ec_imx21] disabled <6>[ 7.449021] printk: bootconsole [ec_imx21] disabled <6>[ 7.466134] msm_serial: driver initialized <6>[ 7.471617] STMicroelectronics ASC driver initialized <6>[ 7.483879] STM32 USART driver initialized <6>[ 7.511741] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.534894] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.543668] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.551897] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.609542] brd: module loaded <6>[ 7.674441] loop: module loaded <6>[ 7.681305] lkdtm: No crash points registered, enable through debugfs <6>[ 7.704418] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.712729] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.721039] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.729582] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.737927] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.746482] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.754626] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.766326] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.773723] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.782883] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.797726] scsi host0: ahci-imx <6>[ 7.803820] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.871366] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.885489] pps pps0: new PPS source ptp0 <6>[ 7.933799] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.944924] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.950195] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.956723] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.962476] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.991295] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.999236] usbcore: registered new interface driver pegasus <6>[ 8.005503] usbcore: registered new interface driver asix <6>[ 8.011350] usbcore: registered new interface driver ax88179_178a <6>[ 8.017942] usbcore: registered new interface driver cdc_ether <6>[ 8.024344] usbcore: registered new interface driver smsc75xx <6>[ 8.030618] usbcore: registered new interface driver smsc95xx <6>[ 8.036876] usbcore: registered new interface driver net1080 <6>[ 8.043036] usbcore: registered new interface driver cdc_subset <6>[ 8.049395] usbcore: registered new interface driver zaurus <6>[ 8.055599] usbcore: registered new interface driver cdc_ncm <6>[ 8.074998] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 8.081965] ehci-pci: EHCI PCI platform driver <6>[ 8.086867] ehci-platform: EHCI generic platform driver <6>[ 8.093533] ehci-orion: EHCI orion driver <6>[ 8.098779] SPEAr-ehci: EHCI SPEAr driver <6>[ 8.104075] ehci-st: EHCI STMicroelectronics driver <6>[ 8.110152] ehci-exynos: EHCI Exynos driver <6>[ 8.115574] ehci-atmel: EHCI Atmel driver <6>[ 8.120755] tegra-ehci: Tegra EHCI driver <6>[ 8.126054] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 8.132661] ohci-pci: OHCI PCI platform driver <6>[ 8.137560] ohci-platform: OHCI generic platform driver <6>[ 8.144134] SPEAr-ohci: OHCI SPEAr driver <6>[ 8.144870] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 8.149349] ohci-st: OHCI STMicroelectronics driver <6>[ 8.154523] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 8.160317] ohci-atmel: OHCI Atmel driver <6>[ 8.165962] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 8.173971] usbcore: registered new interface driver usb-storage <6>[ 8.218237] i2c /dev entries driver <6>[ 8.308752] sdhci: Secure Digital Host Controller Interface driver <6>[ 8.315295] sdhci: Copyright(c) Pierre Ossman <6>[ 8.330000] Synopsys Designware Multimedia Card Interface Driver <6>[ 8.344165] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 8.354066] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 8.354072] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 8.354267] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 8.372543] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 8.382855] usbcore: registered new interface driver usbhid <6>[ 8.388731] usbhid: USB HID core driver <6>[ 8.409272] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 8.409299] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 8.418611] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 8.432344] IPv4 over IPsec tunneling driver <6>[ 8.442509] NET: Registered protocol family 10 <6>[ 8.453362] Segment Routing with IPv6 <6>[ 8.464132] NET: Registered protocol family 17 <6>[ 8.466719] mmc2: new high speed SDHC card at address aaaa <5>[ 8.470901] Key type dns_resolver registered <6>[ 8.478814] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <6>[ 8.500172] ThumbEE CPU extension supported. <5>[ 8.504857] Registering SWP/SWPB emulation handler <4>[ 8.509007] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 8.517947] GPT:7812499 != 31116287 <5>[ 8.519486] Loading compiled-in X.509 certificates <4>[ 8.521779] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.533443] GPT:7812499 != 31116287 <4>[ 8.537241] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.542817] mmcblk2: p1 p2 p3 <4>[ 8.716761] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.725466] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.739185] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.777038] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.790688] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.796296] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.832595] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.854243] hub 1-0:1.0: USB hub found <6>[ 8.860894] hub 1-0:1.0: 1 port detected <6>[ 8.878085] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.911249] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.919988] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.933794] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.965639] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.974256] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.987946] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.006643] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 9.036624] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.045274] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.059006] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.081111] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 9.272443] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 9.482096] hub 1-1:1.0: USB hub found <6>[ 9.486931] hub 1-1:1.0: 3 ports detected <4>[ 9.518283] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.526937] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.540921] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 12.243879] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 12.262103] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 12.293148] Sending DHCP requests ., OK <6>[ 12.336723] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.33 <6>[ 12.345297] IP-Config: Complete: <6>[ 12.348877] device=eth0, hwaddr=00:19:b8:08:f1:13, ipaddr=192.168.201.33, mask=255.255.255.0, gw=192.168.201.1 <6>[ 12.359753] host=imx6q-sabrelite-lava-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 12.368047] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 12.368094] nameserver0=192.168.201.1 <6>[ 12.441753] Freeing unused kernel memory: 2048K <6>[ 12.452820] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 16.596105] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 16.641113] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 16.643660] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 16.662879] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.677562] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.730672] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 16.737040] CAN device driver interface <4>[ 16.739417] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.762905] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.811348] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.820073] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.839849] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.875704] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.896451] caam 2100000.crypto: Entropy delay = 3200 <6>[ 16.903115] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.911054] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.918103] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 16.962749] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 17.023510] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 17.028969] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 17.035940] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 17.057763] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 17.065389] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 17.071891] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <4>[ 17.077197] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 17.083889] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 17.087229] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.116636] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.150955] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.160265] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.169434] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.178550] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.189898] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 17.201600] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 17.210824] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 17.214382] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.227549] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.232100] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 17.243647] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 17.243858] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.259113] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 17.290653] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.301640] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.333047] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.342015] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.350772] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.359527] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.419756] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.454001] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.462762] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.484334] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.493276] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.502067] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.510725] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.019580] caam algorithms registered in /proc/crypto <6>[ 18.034565] caam 2100000.crypto: registering rng-caam <5>[ 18.162903] random: crng init done <4>[ 18.168454] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 18.204984] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.213931] panel-simple panel-lcd: Specify missing connector_type <6>[ 18.233606] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.242354] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.251072] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.260190] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.275465] panel-simple panel-lvds0: supply power not found, using dummy regulator Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:13 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.33 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 20.731404] systemd[1]: System time before build time, advancing clock. <30>[ 20.974612] 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>[ 21.002657] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 21.059245] systemd[1]: Set hostname to . <30>[ 22.666460] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 22.682875] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 22.727217] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 22.777318] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 22.826605] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 22.876862] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 22.926049] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 22.973868] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 22.988240] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 23.034753] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 23.072870] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 23.123982] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 23.162559] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 23.206819] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 23.313532] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 23.327658] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 23.390067] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 23.439285] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 23.494129] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 23.534921] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 23.576696] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 23.588350] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 23.612588] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 23.665172] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 23.714438] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 23.763281] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 23.812933] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 23.862461] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 23.910824] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 23.947571] systemd[1]: Starting Journal Service... <6>[ 23.948239] fuse: init (API version 7.32) Starting Journal Service... <30>[ 24.016511] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 24.073039] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 24.124422] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 24.183905] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 24.225212] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 24.271362] 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>[ 24.357132] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 24.367858] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 24.418064] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 24.428394] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 24.478131] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 24.488574] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 24.509408] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 24.547549] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 24.604660] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 24.651727] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 24.683158] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 24.693916] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 24.714964] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 24.774285] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 24.825382] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 24.870268] 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>[ 25.263102] systemd-journald[274]: 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 ] Started Rule-based Manager for Device Events and Files. [ OK ] Finished Flush Journal to Persistent Storage. Starting Network Service... Starting Create Volatile Files and Directories... [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ 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 ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.168-cip27 #1 SMP Fri Feb 24 09:59:56 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/9315022/extract-nfsrootfs-v0w2adxe' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9315022/extract-nfsrootfs-v0w2adxe' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-9315022/environment . /lava-9315022/environment / # /lava-9315022/bin/lava-test-runner /lava-9315022/0 /lava-9315022/bin/lava-test-runner /lava-9315022/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9315022/0/tests/0_timesync-off ++ cat uuid + UUID=9315022_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-9315022/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9315022_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/linux-5.10.y-cip/v5.10.168-cip27/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9315022/0/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 --2023-02-24 10:16:24-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.168-cip27/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: 1408628 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 101KB/s kselftest.tar.xz 6%[> ] 91.16K 158KB/s kselftest.tar.xz 10%[=> ] 139.72K 162KB/s kselftest.tar.xz 11%[=> ] 159.52K 150KB/s kselftest.tar.xz 15%[==> ] 210.42K 162KB/s kselftest.tar.xz 18%[==> ] 250.02K 167KB/s kselftest.tar.xz 20%[===> ] 275.47K 159KB/s kselftest.tar.xz 23%[===> ] 320.72K 164KB/s kselftest.tar.xz 25%[====> ] 346.17K 160KB/s kselftest.tar.xz 28%[====> ] 391.42K 163KB/s kselftest.tar.xz 30%[=====> ] 419.71K 161KB/s kselftest.tar.xz 34%[=====> ] 469.20K 166KB/s kselftest.tar.xz 36%[======> ] 498.89K 164KB/s eta 5s kselftest.tar.xz 40%[=======> ] 554.04K 170KB/s eta 5s kselftest.tar.xz 42%[=======> ] 585.15K 169KB/s eta 5s kselftest.tar.xz 46%[========> ] 643.13K 174KB/s eta 5s kselftest.tar.xz 49%[========> ] 677.07K 173KB/s eta 5s kselftest.tar.xz 53%[=========> ] 739.28K 179KB/s eta 4s kselftest.tar.xz 56%[==========> ] 776.05K 179KB/s eta 4s kselftest.tar.xz 61%[===========> ] 842.51K 184KB/s eta 4s kselftest.tar.xz 64%[===========> ] 882.10K 190KB/s eta 4s kselftest.tar.xz 69%[============> ] 953.74K 195KB/s eta 4s kselftest.tar.xz 72%[=============> ] 995.23K 197KB/s eta 2s kselftest.tar.xz 75%[==============> ] 1.01M 198KB/s eta 2s kselftest.tar.xz 80%[===============> ] 1.08M 200KB/s eta 2s kselftest.tar.xz 84%[===============> ] 1.13M 198KB/s eta 2s kselftest.tar.xz 86%[================> ] 1.17M 201KB/s eta 1s kselftest.tar.xz 89%[================> ] 1.20M 199KB/s eta 1s kselftest.tar.xz 91%[=================> ] 1.23M 191KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.26M 185KB/s eta 1s kselftest.tar.xz 95%[==================> ] 1.28M 182KB/s eta 0s kselftest.tar.xz 96%[==================> ] 1.30M 179KB/s eta 0s kselftest.tar.xz 98%[==================> ] 1.33M 173KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 169KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 169KB/s in 8.1s 2023-02-24 10:16:32 (170 KB/s) - 'kselftest.tar.xz' saved [1408628/1408628] 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>[ 67.362351] 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>[ 68.197448] lkdtm: Performing direct entry BUG <4>[ 68.202738] ------------[ cut here ]------------ <2>[ 68.207651] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 68.213162] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 68.218585] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 68.248136] CPU: 1 PID: 712 Comm: cat Not tainted 5.10.168-cip27 #1 <4>[ 68.254687] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 68.261515] PC is at lkdtm_BUG+0x14/0x18 <4>[ 68.265728] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 68.270459] pc : [] lr : [] psr: a00e0013 <4>[ 68.277011] sp : c6cfde58 ip : c6cfde68 fp : c6cfde64 <4>[ 68.282518] r10: 00000004 r9 : c1acc6c8 r8 : c15e88e4 <4>[ 68.288027] r7 : c6cfdf60 r6 : 00000004 r5 : c6dec000 r4 : 00000001 <4>[ 68.294837] r3 : c0c357ec r2 : 68db9b6a r1 : ef7965e0 r0 : c15e88ec <4>[ 68.301652] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 68.309070] Control: 10c5387d Table: 16cbc04a DAC: 00000051 <0>[ 68.315104] Process cat (pid: 712, stack limit = 0xe1672150) <0>[ 68.321049] Stack: (0xc6cfde58 to 0xc6cfe000) <0>[ 68.325694] de40: c6cfde74 c6cfde68 <0>[ 68.334167] de60: c0c35280 c0c357f8 c6cfde9c c6cfde78 c0c35780 c0c35260 c0c35660 c5f06c80 <0>[ 68.342638] de80: b6e80000 00000004 c537cb40 c6cfdf60 c6cfdec4 c6cfdea0 c07e17b4 c0c3566c <0>[ 68.351109] dea0: 00000000 c5f06c80 b6e80000 c2815800 c6cfdf60 c07e1750 c6cfdf5c c6cfdec8 <0>[ 68.359578] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c6cfc000 <0>[ 68.368049] dee0: b6e80000 00020000 00000004 00000004 0001fffc c6cfdee0 00000001 b6e7f000 <0>[ 68.376517] df00: c42997c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 68.384986] df20: 00000000 00000000 c1371b80 68db9b6a c205c880 c5f06c80 c5f06c80 c6cfc000 <0>[ 68.393454] df40: b6e80000 00000000 00000000 00000004 c6cfdf94 c6cfdf60 c0599bb0 c059951c <0>[ 68.401924] df60: 00000000 00000000 c6cfdfac 68db9b6a 00000004 00000004 b6fc7e00 00000004 <0>[ 68.410392] df80: c03002e4 c6cfc000 c6cfdfa4 c6cfdf98 c0599c40 c0599b48 00000000 c6cfdfa8 <0>[ 68.418861] dfa0: c03000c0 c0599c34 00000004 00000004 00000001 b6e80000 00000004 00000000 <0>[ 68.427332] dfc0: 00000004 00000004 b6fc7e00 00000004 00000001 00000000 00020000 bee62a64 <0>[ 68.435801] dfe0: 00000004 bee62798 b6f324cf b6eb87e6 800e0030 00000001 00000000 00000000 <0>[ 68.444257] Backtrace: <0>[ 68.447011] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 68.454877] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 68.463189] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 68.471401] r9:c6cfdf60 r8:c537cb40 r7:00000004 r6:b6e80000 r5:c5f06c80 r4:c0c35660 <0>[ 68.479447] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 68.487572] r9:c07e1750 r8:c6cfdf60 r7:c2815800 r6:b6e80000 r5:c5f06c80 r4:00000000 <0>[ 68.495611] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 68.503041] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6cfc000 r5:c5f06c80 <0>[ 68.511153] r4:c5f06c80 <0>[ 68.513981] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 68.521411] r9:c6cfc000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000004 r4:00000004 <0>[ 68.529452] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 68.537307] Exception stack(0xc6cfdfa8 to 0xc6cfdff0) <0>[ 68.542650] dfa0: 00000004 00000004 00000001 b6e80000 00000004 00000000 <0>[ 68.551119] dfc0: 00000004 00000004 b6fc7e00 00000004 00000001 00000000 00020000 bee62a64 <0>[ 68.559583] dfe0: 00000004 bee62798 b6f324cf b6eb87e6 <0>[ 68.564927] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 68.571317] ---[ end trace 847526dc4fddb6fc ]--- <3>[ 68.576225] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 68.585385] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 712, name: cat <4>[ 68.593321] INFO: lockdep is turned off. <4>[ 68.597524] irq event stamp: 1562 <4>[ 68.601146] hardirqs last enabled at (1561): [] console_unlock+0x4b0/0x6c0 <4>[ 68.609267] hardirqs last disabled at (1562): [] __und_svc+0x60/0x6c <4>[ 68.616781] softirqs last enabled at (1558): [] __do_softirq+0x378/0x5fc <4>[ 68.624729] softirqs last disabled at (1547): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 68.632849] CPU: 1 PID: 712 Comm: cat Tainted: G D 5.10.168-cip27 #1 <4>[ 68.640790] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 68.647596] Backtrace: <4>[ 68.650361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 68.658222] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978 <4>[ 68.664184] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 68.671804] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) <4>[ 68.679843] r9:600e0093 r8:0000000b r7:c035bd2c r6:00000031 r5:c19c8c38 r4:c6cfc000 <4>[ 68.687882] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 68.695998] r6:00000000 r5:00000031 r4:c19c8c38 <4>[ 68.700922] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) <4>[ 68.708952] r6:00000001 r5:c6cfc000 r4:c47c8000 <4>[ 68.713878] [] (exit_signals) from [] (do_exit+0x100/0xb38) <4>[ 68.721479] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c47c8000 <4>[ 68.728477] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 68.736068] r7:c1e0f84c <4>[ 68.738900] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 68.746328] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 68.753669] r10:00000004 r9:c6cfc000 r8:c15e88e4 r7:00000000 r6:c6cfddc8 r5:c0c35800 <4>[ 68.761780] r4:e7f001f2 <4>[ 68.764608] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 68.772808] Exception stack(0xc6cfddc8 to 0xc6cfde10) <4>[ 68.778152] ddc0: c15e88ec ef7965e0 68db9b6a c0c357ec 00000001 c6dec000 <4>[ 68.786623] dde0: 00000004 c6cfdf60 c15e88e4 c1acc6c8 00000004 c6cfde64 c6cfde68 c6cfde58 <4>[ 68.795086] de00: c0c35280 c0c35800 a00e0013 ffffffff <4>[ 68.800425] r7:c6cfddfc r6:ffffffff r5:a00e0013 r4:c0c35804 <4>[ 68.806379] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 68.814240] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 68.822542] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 68.830751] r9:c6cfdf60 r8:c537cb40 r7:00000004 r6:b6e80000 r5:c5f06c80 r4:c0c35660 <4>[ 68.838792] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 68.846915] r9:c07e1750 r8:c6cfdf60 r7:c2815800 r6:b6e80000 r5:c5f06c80 r4:00000000 <4>[ 68.854950] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 68.862377] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6cfc000 r5:c5f06c80 <4>[ 68.870486] r4:c5f06c80 <4>[ 68.873312] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 68.880740] r9:c6cfc000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000004 r4:00000004 <4>[ 68.888775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 68.896627] Exception stack(0xc6cfdfa8 to 0xc6cfdff0) <4>[ 68.901969] dfa0: 00000004 00000004 00000001 b6e80000 00000004 00000000 <4>[ 68.910438] dfc0: 00000004 00000004 b6fc7e00 00000004 00000001 00000000 00020000 bee62a64 <4>[ 68.918901] dfe0: 00000004 bee62798 b6f324cf b6eb87e6 # Segmentation fault # [ 68.197448] lkdtm: Performing direct entry BUG # [ 68.202738] ------------[ cut here ]------------ # [ 68.207651] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 68.213162] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 68.218585] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 68.248136] CPU: 1 PID: 712 Comm: cat Not tainted 5.10.168-cip27 #1 # [ 68.254687] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.261515] PC is at lkdtm_BUG+0x14/0x18 # [ 68.265728] LR is at lkdtm_do_action+0x2c/0x4c # [ 68.270459] pc : [] lr : [] psr: a00e0013 # [ 68.277011] sp : c6cfde58 ip : c6cfde68 fp : c6cfde64 # [ 68.282518] r10: 00000004 r9 : c1acc6c8 r8 : c15e88e4 # [ 68.288027] r7 : c6cfdf60 r6 : 00000004 r5 : c6dec000 r4 : 00000001 # [ 68.294837] r3 : c0c357ec r2 : 68db9b6a r1 : ef7965e0 r0 : c15e88ec # [ 68.301652] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 68.309070] Control: 10c5387d Table: 16cbc04a DAC: 00000051 # [ 68.315104] Process cat (pid: 712, stack limit = 0xe1672150) # [ 68.321049] Stack: (0xc6cfde58 to 0xc6cfe000) # [ 68.325694] de40: c6cfde74 c6cfde68 # [ 68.334167] de60: c0c35280 c0c357f8 c6cfde9c c6cfde78 c0c35780 c0c35260 c0c35660 c5f06c80 # [ 68.342638] de80: b6e80000 00000004 c537cb40 c6cfdf60 c6cfdec4 c6cfdea0 c07e17b4 c0c3566c # [ 68.351109] dea0: 00000000 c5f06c80 b6e80000 c2815800 c6cfdf60 c07e1750 c6cfdf5c c6cfdec8 # [ 68.359578] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c6cfc000 # [ 68.368049] dee0: b6e80000 00020000 00000004 00000004 0001fffc c6cfdee0 00000001 b6e7f000 # [ 68.376517] df00: c42997c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 68.384986] df20: 00000000 00000000 c1371b80 68db9b6a c205c880 c5f06c80 c5f06c80 c6cfc000 # [ 68.393454] df40: b6e80000 00000000 00000000 00000004 c6cfdf94 c6cfdf60 c0599bb0 c059951c # [ 68.401924] df60: 00000000 00000000 c6cfdfac 68db9b6a 00000004 00000004 b6fc7e00 00000004 # [ 68.410392] df80: c03002e4 c6cfc000 c6cfdfa4 c6cfdf98 c0599c40 c0599b48 00000000 c6cfdfa8 # [ 68.418861] dfa0: c03000c0 c0599c34 00000004 00000004 00000001 b6e80000 00000004 00000000 # [ 68.427332] dfc0: 00000004 00000004 b6fc7e00 00000004 00000001 00000000 00020000 bee62a64 # [ 68.435801] dfe0: 00000004 bee62798 b6f324cf b6eb87e6 800e0030 00000001 00000000 00000000 # [ 68.444257] Backtrace: # [ 68.447011] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.454877] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.463189] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.471401] r9:c6cfdf60 r8:c537cb40 r7:00000004 r6:b6e80000 r5:c5f06c80 r4:c0c35660 # [ 68.479447] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 68.487572] r9:c07e1750 r8:c6cfdf60 r7:c2815800 r6:b6e80000 r5:c5f06c80 r4:00000000 # [ 68.495611] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.503041] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6cfc000 r5:c5f06c80 # [ 68.511153] r4:c5f06c80 # [ 68.513981] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 68.521411] r9:c6cfc000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000004 r4:00000004 # [ 68.529452] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 68.537307] Exception stack(0xc6cfdfa8 to 0xc6cfdff0) # [ 68.542650] dfa0: 00000004 00000004 00000001 b6e80000 00000004 00000000 # [ 68.551119] dfc0: 00000004 00000004 b6fc7e00 00000004 00000001 00000000 00020000 bee62a64 # [ 68.559583] dfe0: 00000004 bee62798 b6f324cf b6eb87e6 # [ 68.564927] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 68.571317] ---[ end trace 847526dc4fddb6fc ]--- # [ 68.576225] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.585385] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 712, name: cat # [ 68.593321] INFO: lockdep is turned off. # [ 68.597524] irq event stamp: 1562 # [ 68.601146] hardirqs last enabled at <6>[ 69.382050] lkdtm: Performing direct entry WARNING (1561): [] console_unlo<4>[ 69.388651] ------------[ cut here ]------------ ck+0x4b0/0x6c0 # [ 68.609267] <4>[ 69.396679] WARNING: CPU: 0 PID: 783 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c hardirqs last disabled at (1562):<4>[ 69.408130] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [] __und_svc+0x60/0x6c<4>[ 69.440181] CPU: 0 PID: 783 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 69.450878] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 69.457671] Backtrace: <4>[ 69.460408] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 69.468248] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 69.474181] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 69.481766] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 69.489001] r9:00000009 r8:c0c3584c r7:00000053 r6:00000009 r5:c0c3584c r4:c1accd84 <4>[ 69.497016] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 69.504767] r7:00000053 r6:c1accd84 r5:00000000 r4:c6ebe000 <4>[ 69.510699] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) <4>[ 69.519059] r9:c1acc6cc r8:c15e88e4 r7:c6ebff60 r6:00000008 r5:c446b000 r4:00000002 <4>[ 69.527073] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 69.535261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 69.543540] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 69.551726] r9:c6ebff60 r8:c537cb40 r7:00000008 r6:b6e94000 r5:c6b5f900 r4:c0c35660 <4>[ 69.559746] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 69.567845] r9:c07e1750 r8:c6ebff60 r7:c2815800 r6:b6e94000 r5:c6b5f900 r4:00000000 <4>[ 69.575858] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 69.583262] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c6ebe000 r5:c6b5f900 <4>[ 69.591356] r4:c6b5f900 <4>[ 69.594162] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 69.601568] r9:c6ebe000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:00000008 r4:00000008 <4>[ 69.609584] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 69.617419] Exception stack(0xc6ebffa8 to 0xc6ebfff0) <4>[ 69.622740] ffa0: 00000008 00000008 00000001 b6e94000 00000008 00000000 <4>[ 69.631186] ffc0: 00000008 00000008 b6fdbe00 00000004 00000001 00000000 00020000 bebe6a64 <4>[ 69.639631] ffe0: 00000004 bebe6798 b6f464cf b6ecc7e6 # [ 68.616781] softirqs last <4>[ 69.645019] irq event stamp: 0 enabled at (1558): [] <4>[ 69.651203] hardirqs last enabled at (0): [<00000000>] 0x0 __do_softirq+0x378/0x5fc # [ 6<4>[ 69.659918] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 8.624729] softirqs last disabled <4>[ 69.670547] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 at (1547): [] __irq_exi<4>[ 69.681169] softirqs last disabled at (0): [<00000000>] 0x0 t_rcu+0x178/0x1d0 # [ 68.63284<4>[ 69.689879] ---[ end trace 847526dc4fddb6fd ]--- 9] CPU: 1 PID: 712 Comm: cat Tainted: G D 5.10.168-cip27 #1 # [ 68.640790] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.647596] Backtrace: # [ 68.650361] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 68.658222] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978 # [ 68.664184] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 68.671804] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) # [ 68.679843] r9:600e0093 r8:0000000b r7:c035bd2c r6:00000031 r5:c19c8c38 r4:c6cfc000 # [ 68.687882] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 68.695998] r6:00000000 r5:00000031 r4:c19c8c38 # [ 68.700922] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 68.708952] r6:00000001 r5:c6cfc000 r4:c47c8000 # [ 68.713878] [] (exit_signals) from [] (do_exit+0x100/0xb38) # [ 68.721479] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c47c8000 # [ 68.728477] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 68.736068] r7:c1e0f84c # [ 68.738900] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 68.746328] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 68.753669] r10:00000004 r9:c6cfc000 r8:c15e88e4 r7:00000000 r6:c6cfddc8 r5:c0c35800 # [ 68.761780] r4:e7f001f2 # [ 68.764608] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 68.772808] Exception stack(0xc6cfddc8 to 0xc6cfde10) # [ 68.778152] ddc0: c15e88ec ef7965e0 68db9b6a c0c357ec 00000001 c6dec000 # [ 68.786623] dde0: 00000004 c6cfdf60 c15e88e4 c1acc6c8 00000004 c6cfde64 c6cfde68 c6cfde58 # [ 68.795086] de00: c0c35280 c0c35800 a00e0013 ffffffff # [ 68.800425] r7:c6cfddfc r6:ffffffff r5:a00e0013 r4:c0c35804 # [ 68.806379] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.814240] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.822542] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.830751] r9:c6cfdf60 r8:c537cb40 r7:00000004 r6:b6e80000 r5:c5f06c80 r4:c0c35660 # [ 68.838792] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 68.846915] r9:c07e1750 r8:c6cfdf60 r7:c2815800 r6:b6e80000 r5:c5f06c80 r4:00000000 # [ 68.854950] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.862377] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6cfc000 r5:c5f06c80 # [ 68.870486] r4:c5f06c80 # [ 68.873312] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 68.880740] r9:c6cfc000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000004 r4:00000004 # [ 68.888775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 68.896627] Exception stack(0xc6cfdfa8 to 0xc6cfdff0) # [ 68.901969] dfa0: 00000004 00000004 00000001 b6e80000 00000004 00000000 # [ 68.910438] dfc0: 00000004 00000004 b6fc7e00 00000004 00000001 00000000 00020000 bee62a64 # [ 68.918901] dfe0: 00000004 bee62798 b6f324cf b6eb87e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 69.382050] lkdtm: Performing direct entry WARNING # [ 69.388651] ------------[ cut here ]------------ # [ 69.396679] WARNING: CPU: 0 PID: 783 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 69.408130] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_displ<6>[ 70.031525] lkdtm: Performing direct entry WARNING_MESSAGE ay imxdrm etnaviv gpu_sched imx_i<4>[ 70.039981] ------------[ cut here ]------------ pu_v3 # [ 69.440181] CPU: 0 PI<4>[ 70.047816] WARNING: CPU: 2 PID: 818 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 D: 783 Comm: cat Tainted: G <4>[ 70.059955] Warning message trigger count: 2 D W 5.10.168-cip27 #1 # <4>[ 70.067421] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 69.450878] Hardware name: Fre<4>[ 70.099329] CPU: 2 PID: 818 Comm: cat Tainted: G D W 5.10.168-cip27 #1 escale i.MX6 Quad/DualLite (Devic<4>[ 70.110052] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e Tree) # [ 69.457671] Backtra<4>[ 70.119702] Backtrace: ce: # [ 69.460408] [[ 70.125290] [] (dump_backtrace) from [] (show_stack+0x20/0x24) >] (dump_backtrace) from [[ 70.135972] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 68>] (show_stack+0x20/0x24) # [ <4>[ 70.144760] [] (show_stack) from [] (dump_stack+0xe0/0x100) 69.468248] r7:ffffffff r6:600e<4>[ 70.155195] [] (dump_stack) from [] (__warn+0x98/0x14c) 0013 r5:00000000 r4:c1f0f978 # [<4>[ 70.165275] r9:00000009 r8:c0c3589c r7:00000058 r6:00000009 r5:c0c3589c r4:c1accd84 69.474181] [] (show_<4>[ 70.176143] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) stack) from [] (dump_st<4>[ 70.186743] r7:00000058 r6:c1accd84 r5:c1accda0 r4:c6ebc000 ack+0xe0/0x100) # [ 69.481766]<4>[ 70.195532] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [] (dump_stack) from [<4>[ 70.207436] r9:c1acc6d4 r8:c15e88e4 r7:c6ebdf60 r6:00000010 r5:c6b8c000 r4:00000003 ] (__warn+0x98/0x14c) <4>[ 70.218302] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.489001] r9:00000009 r8:<4>[ 70.230037] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) c0c3584c r7:00000053 r6:00000009 <4>[ 70.241167] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) r5:c0c3584c r4:c1accd84 # [ 69<4>[ 70.252201] r9:c6ebdf60 r8:c537cb40 r7:00000010 r6:b6e1e000 r5:c29c9e00 r4:c0c35660 .497016] [] (__warn) fr<4>[ 70.263074] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) om [] (warn_slowpath_fm<4>[ 70.274021] r9:c07e1750 r8:c6ebdf60 r7:c2815800 r6:b6e1e000 r5:c29c9e00 r4:00000000 t+0x8c/0xa8) # [ 69.504767] r<4>[ 70.284889] [] (vfs_write) from [] (ksys_write+0x74/0xec) 7:00000053 r6:c1accd84 r5:0000000<4>[ 70.295146] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c6ebc000 r5:c29c9e00 0 r4:c6ebe000 # [ 69.510699] [<4>[ 70.306095] r4:c29c9e00 ] (warn_slowpath_fmt) f<4>[ 70.311759] [] (ksys_write) from [] (sys_write+0x18/0x1c) rom [] (lkdtm_WARNING+0<4>[ 70.322015] r9:c6ebc000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000010 r4:00000010 x48/0x4c) # [ 69.519059] r9:c<4>[ 70.332883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 1acc6cc r8:c15e88e4 r7:c6ebff60 r<4>[ 70.343572] Exception stack(0xc6ebdfa8 to 0xc6ebdff0) 6:00000008 r5:c446b000 r4:0000000<4>[ 70.351750] dfa0: 00000010 00000010 00000001 b6e1e000 00000010 00000000 2 # [ 69.527073] [] <4>[ 70.363048] dfc0: 00000010 00000010 b6f65e00 00000004 00000001 00000000 00020000 beaa3a64 (lkdtm_WARNING) from []<4>[ 70.374346] dfe0: 00000004 beaa3798 b6ed04cf b6e567e6 (lkdtm_do_action+0x2c/0x4c) # [<4>[ 70.382574] irq event stamp: 0 69.535261] [] (lkdtm<4>[ 70.388736] hardirqs last enabled at (0): [<00000000>] 0x0 _do_action) from [] (di<4>[ 70.397457] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 rect_entry+0x120/0x18c) # [ 69<4>[ 70.408088] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 .543540] [] (direct_ent<4>[ 70.418748] softirqs last disabled at (0): [<00000000>] 0x0 ry) from [] (full_proxy<4>[ 70.427389] ---[ end trace 847526dc4fddb6fe ]--- _write+0x64/0x94) # [ 69.551726] r9:c6ebff60 r8:c537cb40 r7:00000008 r6:b6e94000 r5:c6b5f900 r4:c0c35660 # [ 69.559746] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 69.567845] r9:c07e1750 r8:c6ebff60 r7:c2815800 r6:b6e94000 r5:c6b5f900 r4:00000000 # [ 69.575858] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.583262] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c6ebe000 r5:c6b5f900 # [ 69.591356] r4:c6b5f900 # [ 69.594162] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 69.601568] r9:c6ebe000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:00000008 r4:00000008 # [ 69.609584] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 69.617419] Exception stack(0xc6ebffa8 to 0xc6ebfff0) # [ 69.622740] ffa0: 00000008 00000008 00000001 b6e94000 00000008 00000000 # [ 69.631186] ffc0: 00000008 00000008 b6fdbe00 00000004 00000001 00000000 00020000 bebe6a64 # [ 69.639631] ffe0: 00000004 bebe6798 b6f464cf b6ecc7e6 # [ 69.645019] irq event stamp: 0 # [ 69.651203] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 69.659918] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 69.670547] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 69.681169] softirqs last disabled at (0): [<00000000>] 0x0 # [ 69.689879] ---[ end trace 847526dc4fddb6fd ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 70.031525] lkdtm: Performing direct entry WARNING_MESSAGE # [ 70.039981] ------------[ cut here ]------------ # [ 70.047816] WARNING: CPU: 2 PID: 818 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 70.059955] Warning message trigger count: 2 # [ 70.067421] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 70.099329] CPU: 2 PID: 818 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 70.110052] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.119702] Backtrace: # [ 70.125290] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 70.135972] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 70.144760] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 70.155195] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 70.165275] r9:00000009 r8:c0c3589c r7:00000058 r6:00000009 r5:c0c3589c r4:c1accd84 # [ 70.176143] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 70.186743] r7:00000058 r6:c1accd84 r5:c1accda0 r4:c6ebc000 # [ 70.195532] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 70.207436] r9:c1acc6d4 r8:c15e88e4 r7:c6ebdf60 r6:00000010 r5:c6b8c000 r4:00000003 # [ 70.218302] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.230037] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.241167] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.252201] r9:c6ebdf60 r8:c537cb40 r7:00000010 r6:b6e1e000 r5:c29c9e00 r4:c0c35660 # [ 70.263074] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 70.274021] r9:c07e1750 r8:c6ebdf60 r7:c2815800 r6:b6e1e000 r5:c29c9e00 r4:00000000 # [ 70.284889] [] (vfs_write) from [] (ksys_w<6>[ 70.760776] lkdtm: Performing direct entry EXCEPTION rite+0x74/0xec) # [ 70.295146]<1>[ 70.768861] 8<--- cut here --- r10:00000004 r9:00000000 r8:000<1>[ 70.775055] Unable to handle kernel NULL pointer dereference at virtual address 00000000 00000 r7:b6e1e000 r6:c6ebc000 r5:<1>[ 70.786236] pgd = 693b48c6 c29c9e00 # [ 70.306095] r4:c2<1>[ 70.792048] [00000000] *pgd=00000000 9c9e00 # [ 70.311759]< 0[><[c 70.798732] Internal error: Oops: 805 [#2] SMP ARM 599b3c>] (ksys_write) from [[ 70.806214] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 9c40>] (sys_write<+40>x[1 8 / 07x.838171] CPU: 2 PID: 850 Comm: cat Tainted: G D W 5.10.168-cip27 #1 1c) # <[4 > [ 7 0 .7302.280418564] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] r9:c6ebc000 r8:c03002e4< 4r>7[ 70.856612] PC is at lkdtm_EXCEPTION+0x18/0x20 00000004 r6:b65[e 0 0 7 0r.563824] LR is at lkdtm_do_action+0x2c/0x4c :00000010 r4:00<040>0[0 1 0 7 0#870436] pc : [] lr : [] psr: a00e0013 [ 70.332<848>3[] [ <7c00.5898956] sp : c6ebfe58 ip : c6ebfe68 fp : c6ebfe64 9c28>] (syw[r i t7e0). 8f8r261] r10: 0000000a r9 : c1acc6e4 r8 : c15e88e4 om [>[] ( r7e0t._8f3482] r7 : c6ebff60 r6 : 0000000a r5 : c6b8d000 r4 : 00000004 ast_syscl[+ 0 x 07/00.x92082091] r3 : 00000000 r2 : 5267c8e1 r1 : ef7ab5e0 r0 : c15e8904 # [ 70.343<547>2[] E x7c0e.910615] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none tion stack(06[e b d f7a08. 920003] Control: 10c5387d Table: 169f404a DAC: 00000051 o 0xc6ebdff0) < 0#> [[ 7700.927920] Process cat (pid: 850, stack limit = 0x7586ca2b) 351750] dfa0<:0 > [ 7 0 . 935833] Stack: (0xc6ebfe58 to 0xc6ec0000) 0000001<00 >0[0 0 0 0700.942362] fe40: c6ebfe74 c6ebfe68 0 00000001 b6e10[0 0 07000952882] fe60: c0c35280 c0c358b0 c6ebfe9c c6ebfe78 c0c35780 c0c35260 c0c35660 c29c9680 0010 00000000 #< 0[> [ 7 07.0.963312] fe80: b6de3000 0000000a c537cb40 c6ebff60 c6ebfec4 c6ebfea0 c07e17b4 c0c3566c 63048] dfc0: 00<000>0[0 1 0 7000973833] fea0: 00000000 c29c9680 b6de3000 c2815800 c6ebff60 c07e1750 c6ebff5c c6ebfec8 000010 b6f65e0<00> [0 0 0 07000.084264] fec0: c059961c c07e175c 00000001 00000000 c0599bb0 c4184b64 c0599bb0 c6ebe000 4 00000001 00000<000>0[ 0 0 0720.994610] fee0: b6de3000 00020000 00000004 0000000a 0001fff6 c6ebfee0 00000001 00000805 000 beaa3a64 <#0 >[[ 7701..005128] ff00: c4298b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 74346] dfe0: 00<000>0[0 0 4 7b1e015562] ff20: 00000000 00000000 c6ebe000 5267c8e1 b6de2000 c29c9680 c29c9680 c6ebe000 aa3798 b6ed04cf b<60e>5[6 7 e 67 .025996] ff40: b6de3000 00000000 00000000 00000004 c6ebff94 c6ebff60 c0599bb0 c059951c # [ 70.3825<704>][ i r q7 1.e36512] ff60: 00000000 00000000 c6ebffac 5267c8e1 0000000a 0000000a b6f2ae00 00000004 vent stamp: 0 #< 0[> [ 7 07.1.046858] ff80: c03002e4 c6ebe000 c6ebffa4 c6ebff98 c0599c40 c0599b48 00000000 c6ebffa8 88736] hardirql[a s t 7 1e.057376] ffa0: c03000c0 c0599c34 0000000a 0000000a 00000001 b6de3000 0000000a 00000000 abled at (0): [<<00>0[0 0 0 07010067807] ffc0: 0000000a 0000000a b6f2ae00 00000004 00000001 00000000 00020000 bebe7a64 >] 0x0 # [ 70.<309>7[4 5 77]1.078240] ffe0: 00000004 bebe7798 b6e954cf b6e1b7e6 800e0030 00000001 00000000 00000000 hardirqs last da[b l e d7 1a088752] Backtrace: t (0): []< 0c>o[p y _ p1.093462] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) rocess+0x5f8/0x1974 < 0#> [[ 71.103982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 70.408088] softirqs last a[ 71.114507] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) led at (0): [d[0 4 > ]7 .125193] r9:c6ebff60 r8:c537cb40 r7:0000000a r6:b6de3000 r5:c29c9680 r4:c0c35660 copy_process+0x5f8/0x1974 <#0 >[ 71.135284] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 70.418748] soi[r q s 7l1.145884] r9:c07e1750 r8:c6ebff60 r7:c2815800 r6:b6de3000 r5:c29c9680 r4:00000000 st disabled at< 0(>0[) : [7<10.155969] [] (vfs_write) from [] (ksys_write+0x74/0xec) 000000>] 0x0 # <[0 > [ 7 0 .741.165359] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c6ebe000 r5:c29c9680 7389] ---<[0 >e[n d t7r1.a1c7e5525] r4:c29c9680 847526dc4fddb6fe ]--- <#0 >W[A R 71.180062] [] (ksys_write) from [] (sys_write+0x18/0x1c) NING_MESSAGE: sa'[m e s s7a1.189797] r9:c6ebe000 r8:c03002e4 r7:00000004 r6:b6f2ae00 r5:0000000a r4:0000000a e trigger': ok ok 4 l[f t e71.199886] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) sts: lkdtm: WN[I N G _7M1E.S09964] Exception stack(0xc6ebffa8 to 0xc6ebfff0) SAGE.sh # sele[s t s :7 1l.217185] ffa0: 0000000a 0000000a 00000001 b6de3000 0000000a 00000000 dtm: EXCEPTION.sh< 0 >[ 71.227619] ffc0: 0000000a 0000000a b6f2ae00 00000004 00000001 00000000 00020000 bebe7a64 <0>[ 71.237700] ffe0: 00000004 bebe7798 b6e954cf b6e1b7e6 <0>[ 71.243021] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 71.249429] ---[ end trace 847526dc4fddb6ff ]--- # Segmentation fault # [ 70.760776] lkdtm: Performing direct entry EXCEPTION # [ 70.768861] 8<--- cut here --- # [ 70.775055] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 70.786236] pgd = 693b48c6 # [ 70.792048] [00000000] *pgd=00000000 # [ 70.798732] Internal error: Oops: 805 [#2] SMP ARM # [ 70.806214] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 70.838171] CPU: 2 PID: 850 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 70.848164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.856612] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 70.863824] LR is at lkdtm_do_action+0x2c/0x4c # [ 70.870436] pc : [] lr : [] psr: a00e0013 # [ 70.878956] sp : c6ebfe58 ip : c6ebfe68 fp : c6ebfe64 # [ 70.886261] r10: 0000000a r9 : c1acc6e4 r8 : c15e88e4 # [ 70.893482] r7 : c6ebff60 r6 : 0000000a r5 : c6b8d000 r4 : 00000004 # [ 70.902091] r3 : 00000000 r2 : 5267c8e1 r1 : ef7ab5e0 r0 : c15e8904 # [ 70.910615] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.920003] Control: 10c5387d Table: 169f404a DAC: 00000051 # [ 70.927920] Process cat (pid: 850, stack limit = 0x7586ca2b) # [ 70.935833] Stack: (0xc6ebfe58 to 0xc6ec0000) # [ 70.942362] fe40: c6ebfe74 c6ebfe68 # [ 70.952882] fe60: c0c35280 c0c358b0 c6ebfe9c c6ebfe78 c0c35780 c0c35260 c0c35660 c29c9680 # [ 70.963312] fe80: b6de3000 0000000a c537cb40 c6ebff60 c6ebfec4 c6ebfea0 c07e17b4 c0c3566c # [ 70.973833] fea0: 00000000 c29c9680 b6de3000 c2815800 c6ebff60 c07e1750 c6ebff5c c6ebfec8 # [ 70.984264] fec0: c059961c c07e175c 00000001 00000000 c0599bb0 c4184b64 c0599bb0 c6ebe000 # [ 70.994610] fee0: b6de3000 00020000 00000004 0000000a 0001fff6 c6ebfee0 00000001 00000805 # [ 71.005128] ff00: c4298b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.015562] ff20: 00000000 00000000 c6ebe000 5267c8e1 b6de2000 c29c9680 c29c9680 c6ebe000 # [ 71.025996] ff40: b6de3000 00000000 00000000 00000004 c6ebff94 c6ebff60 c0599bb0 c059951c # [ 71.036512] ff60: 00000000 00000000 c6ebffac 5267c8e1 0000000a 0000000a b6f2ae00 00000004 # [ 71.046858] ff80: c03002e4 c6ebe000 c6ebffa4 c6ebff98 c0599c40 c0599b48 00000000 c6ebffa8 # [ 71.057376] ffa0: c03000c0 c0599c34 0000000a 0000000a 00000001 b6de3000 0000000a 00000000 # [ 71.067807] ffc0: 0000000a 0000000a b6f2ae00 00000004 00000001 00000000 00020000 bebe7a64 # [ 71.078240] ffe0: 00000004 bebe7798 b6e954cf b6e1b7e6 800e0030 00000001 00000000 00000000 # [ 71.088752] Backtrace: # [ 71.093462] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.103982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.114507] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.125193] r9:c6ebff60 r8:c537cb40 r7:0000000a r6:b6de3000 r5:c29c9680 r4:c0c35660 # [ 71.135284] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 71.145884] r9:c07e1750 r8:c6ebff60 r7:c2815800 r6:b6de3000 r5:c29c9680 r4:00000000 # [ 71.155969] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.165359] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c6ebe000 r5:c29c9680 # [ 71.175525] r4:c29c9680 # [ 71.180062] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.189797] r9:c6ebe000 r8:c03002e4 r7:00000004 r6:b6f2ae00 r5:0000000a r4:0000000a # [ 71.199886] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.209964] Exception stack(0xc6ebffa8 to 0xc6ebfff0) # [ 71.217185] ffa0: 0000000a 0000000a 00000001 b6de3000 0000000a 00000000 # [ 71.227619] ffc0: 0000000a 0000000a b6f2ae00 00000004 00000001 00000000 00020000 bebe7a64 # [ 71.237700] ffe0: 00000004 bebe7798 b6e954cf b6e1b7e6 # [ 71.243021] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 71.249429] ---[ end trace 847526dc4fddb6ff ]--- # 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>[ 72.380678] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 72.386614] lkdtm: attempting good list addition <6>[ 72.391503] lkdtm: attempting corrupted list addition <3>[ 72.396863] lkdtm: list_add() corruption not detected! # [ 72.380678] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 72.386614] lkdtm: attempting good list addition # [ 72.391503] lkdtm: attempting corrupted list addition # [ 72.396863] 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>[ 72.695800] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 72.701656] lkdtm: attempting good list removal <6>[ 72.706572] lkdtm: attempting corrupted list removal <3>[ 72.711836] lkdtm: list_del() corruption not detected! # [ 72.695800] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 72.701656] lkdtm: attempting good list removal # [ 72.706572] lkdtm: attempting corrupted list removal # [ 72.711836] 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>[ 72.993912] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 73.000463] lkdtm: attempting bad read from page below current stack <3>[ 73.007361] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 72.993912] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 73.000463] lkdtm: attempting bad read from page below current stack # [ 73.007361] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 73.327152] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 73.334099] lkdtm: attempting bad read from page above current stack <3>[ 73.340761] lkdtm: FAIL: accessed page after stack! (byte: 80) # [ 73.327152] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 73.334099] lkdtm: attempting bad read from page above current stack # [ 73.340761] lkdtm: FAIL: accessed page after stack! (byte: 80) # 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>[ 73.653703] lkdtm: Performing direct entry UNSET_SMEP <3>[ 73.659920] lkdtm: XFAIL: this test is x86_64-only # [ 73.653703] lkdtm: Performing direct entry UNSET_SMEP # [ 73.659920] 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>[ 73.982952] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 73.988460] lkdtm: XFAIL: this test is ia32-only # [ 73.982952] lkdtm: Performing direct entry DOUBLE_FAULT # [ 73.988460] 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>[ 74.283323] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 74.288743] lkdtm: XFAIL: this test is arm64-only # [ 74.283323] lkdtm: Performing direct entry CORRUPT_PAC # [ 74.288743] 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>[ 74.598188] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 74.604956] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 74.598188] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 74.604956] 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>[ 75.290798] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 75.296667] lkdtm: Value in memory before free: 12345678 <6>[ 75.302386] lkdtm: Attempting bad read from freed memory <6>[ 75.307994] lkdtm: Memory was not poisoned # [ 75.290798] lkdtm: Performing direct entry READ_AFTER_FREE # [ 75.296667] lkdtm: Value in memory before free: 12345678 # [ 75.302386] lkdtm: Attempting bad read from freed memory # [ 75.307994] 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>[ 75.804960] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 75.811259] lkdtm: Value in memory before free: 12345678 <6>[ 75.816994] lkdtm: Attempting to read from freed memory <6>[ 75.822528] lkdtm: Buddy page was not poisoned # [ 75.804960] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 75.811259] lkdtm: Value in memory before free: 12345678 # [ 75.816994] lkdtm: Attempting to read from freed memory # [ 75.822528] 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>[ 76.128947] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 76.135019] lkdtm: Attempting double slab free ... # [ 76.128947] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 76.135019] 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>[ 76.447503] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 76.453400] lkdtm: Attempting cross-cache slab free ... # [ 76.447503] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 76.453400] 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>[ 76.760875] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 76.766617] lkdtm: Attempting non-Slab slab free ... # [ 76.760875] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 76.766617] 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>[ 77.819272] lkdtm: Performing direct entry EXEC_DATA <6>[ 77.824825] lkdtm: attempting ok execution at c0c35ff0 <6>[ 77.830272] lkdtm: attempting bad execution at c26f696c <1>[ 77.835826] 8<--- cut here --- <1>[ 77.839153] Unable to handle kernel paging request at virtual address c26f696c <1>[ 77.846657] pgd = 65a0e4bc <1>[ 77.849650] [c26f696c] *pgd=1261141e(bad) <0>[ 77.853980] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 77.859492] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 77.889037] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 77.897065] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.903893] PC is at data_area+0x0/0x40 <4>[ 77.908033] LR is at execute_location+0xa4/0xb4 <4>[ 77.912852] pc : [] lr : [] psr: 600e0013 <4>[ 77.919403] sp : c6cb3e38 ip : c6cb3d40 fp : c6cb3e54 <4>[ 77.924912] r10: 0000000a r9 : c1acc8c8 r8 : c15e88e4 <4>[ 77.930422] r7 : c6cb3f60 r6 : 00000001 r5 : c26f696c r4 : c0c35ff0 <4>[ 77.937235] r3 : ccaeff22 r2 : ccaeff22 r1 : ef7965e0 r0 : 0000002b <4>[ 77.944049] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.951470] Control: 10c5387d Table: 16da404a DAC: 00000051 <0>[ 77.957506] Process cat (pid: 1693, stack limit = 0x33ab7b80) <0>[ 77.963539] Stack: (0xc6cb3e38 to 0xc6cb4000) <0>[ 77.968186] 3e20: 0000001f c6de9000 <0>[ 77.976659] 3e40: 0000000a c6cb3f60 c6cb3e64 c6cb3e58 c135c4f4 c135c2f0 c6cb3e74 c6cb3e68 <0>[ 77.985135] 3e60: c0c35280 c135c4dc c6cb3e9c c6cb3e78 c0c35780 c0c35260 c0c35660 c6b34c80 <0>[ 77.993611] 3e80: b6e42000 0000000a c537cb40 c6cb3f60 c6cb3ec4 c6cb3ea0 c07e17b4 c0c3566c <0>[ 78.002083] 3ea0: 00000000 c6b34c80 b6e42000 c2815800 c6cb3f60 c07e1750 c6cb3f5c c6cb3ec8 <0>[ 78.010554] 3ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c6cb2000 <0>[ 78.019025] 3ee0: b6e42000 00020000 00000004 0000000a 0001fff6 c6cb3ee0 00000001 b6e41000 <0>[ 78.027496] 3f00: c4226000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.035972] 3f20: 00000000 00000000 c1371b80 ccaeff22 c205c880 c6b34c80 c6b34c80 c6cb2000 <0>[ 78.044445] 3f40: b6e42000 00000000 00000000 00000004 c6cb3f94 c6cb3f60 c0599bb0 c059951c <0>[ 78.052919] 3f60: 00000000 00000000 c6cb3fac ccaeff22 0000000a 0000000a b6f89e00 00000004 <0>[ 78.061390] 3f80: c03002e4 c6cb2000 c6cb3fa4 c6cb3f98 c0599c40 c0599b48 00000000 c6cb3fa8 <0>[ 78.069861] 3fa0: c03000c0 c0599c34 0000000a 0000000a 00000001 b6e42000 0000000a 00000000 <0>[ 78.078332] 3fc0: 0000000a 0000000a b6f89e00 00000004 00000001 00000000 00020000 bec33a64 <0>[ 78.086803] 3fe0: 00000004 bec33798 b6ef44cf b6e7a7e6 800e0030 00000001 00000000 00000000 <0>[ 78.095263] Backtrace: <0>[ 78.098040] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 78.106513] r7:c6cb3f60 r6:0000000a r5:c6de9000 r4:0000001f <0>[ 78.112480] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.120867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.129177] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.137391] r9:c6cb3f60 r8:c537cb40 r7:0000000a r6:b6e42000 r5:c6b34c80 r4:c0c35660 <0>[ 78.145441] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 78.153568] r9:c07e1750 r8:c6cb3f60 r7:c2815800 r6:b6e42000 r5:c6b34c80 r4:00000000 <0>[ 78.161614] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.169045] r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c6cb2000 r5:c6b34c80 <0>[ 78.177159] r4:c6b34c80 <0>[ 78.179990] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.187422] r9:c6cb2000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:0000000a r4:0000000a <0>[ 78.195468] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.203325] Exception stack(0xc6cb3fa8 to 0xc6cb3ff0) <0>[ 78.208670] 3fa0: 0000000a 0000000a 00000001 b6e42000 0000000a 00000000 <0>[ 78.217142] 3fc0: 0000000a 0000000a b6f89e00 00000004 00000001 00000000 00020000 bec33a64 <0>[ 78.225608] 3fe0: 00000004 bec33798 b6ef44cf b6e7a7e6 <0>[ 78.230954] Code: 00000000 c58ae180 c58ae240 c58ae300 (e1a0c00d) <4>[ 78.237343] ---[ end trace 847526dc4fddb700 ]--- # Segmentation fault # [ 77.819272] lkdtm: Performing direct entry EXEC_DATA # [ 77.824825] lkdtm: attempting ok execution at c0c35ff0 # [ 77.830272] lkdtm: attempting bad execution at c26f696c # [ 77.835826] 8<--- cut here --- # [ 77.839153] Unable to handle kernel paging request at virtual address c26f696c # [ 77.846657] pgd = 65a0e4bc # [ 77.849650] [c26f696c] *pgd=1261141e(bad) # [ 77.853980] Internal error: Oops: 8000000d [#3] SMP ARM # [ 77.859492] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.889037] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 77.897065] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.903893] PC is at data_area+0x0/0x40 # [ 77.908033] LR is at execute_location+0xa4/0xb4 # [ 77.912852] pc : [] lr : [] psr: 600e0013 # [ 77.919403] sp : c6cb3e38 ip : c6cb3d40 fp : c6cb3e54 # [ 77.924912] r10: 0000000a r9 : c1acc8c8 r8 : c15e88e4 # [ 77.930422] r7 : c6cb3f60 r6 : 00000001 r5 : c26f696c r4 : c0c35ff0 # [ 77.937235] r3 : ccaeff22 r2 : ccaeff22 r1 : ef7965e0 r0 : 0000002b # [ 77.944049] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.951470] Control: 10c5387d Table: 16da404a DAC: 00000051 # [ 77.957506] Process cat (pid: 1693, stack limit = 0x33ab7b80) # [ 77.963539] Stack: (0xc6cb3e38 to 0xc6cb4000) # [ 77.968186] 3e20: 0000001f c6de9000 # [ 77.976659] 3e40: 0000000a c6cb3f60 c6cb3e64 c6cb3e58 c135c4f4 c135c2f0 c6cb3e74 c6cb3e68 # [ 77.985135] 3e60: c0c35280 c135c4dc c6cb3e9c c6cb3e78 c0c35780 c0c35260 c0c35660 c6b34c80 # [ 77.993611] 3e80: b6e42000 0000000a c537cb40 c6cb3f60 c6cb3ec4 c6cb3ea0 c07e17b4 c0c3566c # [ 78.002083] 3ea0: 00000000 c6b34c80 b6e42000 c2815800 c6cb3f60 c07e1750 c6cb3f5c c6cb3ec8 # [ 78.010554] 3ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c6cb2000 # [ 78.019025] 3ee0: b6e42000 00020000 00000004 0000000a 0001fff6 c6cb3ee0 00000001 b6e41000 # [ 78.027496] 3f00: c4226000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.035972] 3f20: 00000000 00000000 c1371b80 ccaeff22 c205c880 c6b34c80 c6b34c80 c6cb2000 # [ 78.044445] 3f40: b6e42000 00000000 00000000 00000004 c6cb3f94 c6cb3f60 c0599bb0 c059951c # [ 78.052919] 3f60: 00000000 00000000 c6cb3fac ccaeff22 0000000a 0000000a b6f89e00 00000004 # [ 78.061390] 3f80: c03002e4 c6cb2000 c6cb3fa4 c6cb3f98 c0599c40 c0599b48 00000000 c6cb3fa8 # [ 78.069861] 3fa0: c03000c0 c0599c34 0000000a 0000000a 00000001 b6e42000 0000000a 00000000 # [ 78.078332] 3fc0: 0000000a 0000000a b6f89e00 00000004 00000001 00000000 00020000 bec33a64 # [ 78.086803] 3fe0: 00000004 bec33798 b6ef44cf b6e7a7e6 800e0030 00000001 00000000 00000000 # [ 78.095263] Backtrace: # [ 78.098040] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 78.106513] r7:c6cb3f60 r6:0000000a r5:c6de9000 r4:0000001f # [ 78.112480] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.120867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.129177] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) #<6>[ 78.611270] lkdtm: Performing direct entry EXEC_STACK [ 78.137391] r9:c6cb3f60 r8:c<6>[ 78.618035] lkdtm: attempting ok execution at c0c35ff0 537cb40 r7:0000000a r6:b6e42000 r<6>[ 78.626387] lkdtm: attempting bad execution at c43b1e0c 5:c6b34c80 r4:c0c35660 # [ 78.<1>[ 78.634641] 8<--- cut here --- 145441] [7[5 0 > ]7 8(.640760] Unable to handle kernel paging request at virtual address c43b1e0c ull_proxy_write) from [9[ 78.650166] pgd = 286f3fab 1c>] (vfs_write+0x10c/0x524) # [<1>[ 78.655653] [c43b1e0c] *pgd=1421141e(bad) 78.153568] r9:c07e1750 r8:c<6>[ 78.662804] Internal error: Oops: 8000000d [#4] SMP ARM cb3f60 r7:c2815800 r6:b6e42000 r5<4>[ 78.670978] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 :c6b34c80 r4:00000000 # [ 78.1<4>[ 78.702956] CPU: 3 PID: 1769 Comm: cat Tainted: G D W 5.10.168-cip27 #1 61614] [] (vfw[r i 78.713815] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) te) from [] (ksys_w[ 78.728984] LR is at execute_location+0xa4/0xb4 r10:00000004 r9:00000000 r<84:>0[ 78.736626] pc : [] lr : [] psr: 600e0013 000000 r7:b6e42000 r6<:4c>6[c b 278.745673] sp : c43b1de8 ip : c43b1cf0 fp : c43b1e04 000 r5:c6b34c80 # <[4 > [ 7 8 .8.753419] r10: 0000000b r9 : c1acc8d4 r8 : c15e88e4 177159] r4:c6b34c80 < 4#> [[ 78.761081] r7 : c43b1f60 r6 : 00000001 r5 : c43b1e0c r4 : c0c35ff0 78.179990] [4]> [( k 78.770131] r3 : fa042b61 r2 : fa042b61 r1 : ef7c05e0 r0 : 0000002b ys_write) from [] <(4s>[ 78.779270] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none s_write+0x18/0x1c) # [< 4 > [7 8 78.789272] Control: 10c5387d Table: 1445c04a DAC: 00000051 .187422] r9:c6cb2000 r8<:0c>0[3 78.797629] Process cat (pid: 1769, stack limit = 0x54423cef) 02e4 r7:00000004 r6:b69[e 0 78.806069] Stack: (0xc43b1de8 to 0xc43b2000) r5:0000000a r4:0000000a # [ 70>[ 78.813045] 1de0: c43b0000 c6b84000 0000000b c43b1f60 c43b1e64 c43b1e08 8.195468] [] (sys_wri[ 78.824266] 1e00: c135c530 c135c2f0 c43b1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 e) from [] (ret_fast_sy<0>[ 78.835401] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 scall+0x0/0x28) # [ 78.203325]0>[ 78.846707] 1e40: e3a02040 e3a01d33 e5930018 fa042b61 0000000b 00000020 c43b1e74 c43b1e68 Exception stack(0xc6cb3fa8 to 0<0>[ 78.857926] 1e60: c0c35280 c135c504 c43b1e9c c43b1e78 c0c35780 c0c35260 c0c35660 c6b3cb40 c6cb3ff0) # [ 78.208670] 3fa0<0>[ 78.869146] 1e80: b6e46000 0000000b c537cb40 c43b1f60 c43b1ec4 c43b1ea0 c07e17b4 c0c3566c 0000000a 000000>[ 78.880366] 1ea0: 00000000 c6b3cb40 b6e46000 c2815800 c43b1f60 c07e1750 c43b1f5c c43b1ec8 00a 00000001 b6e42000 0000000a 0<0>[ 78.891587] 1ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c43b0000 000000 # [ 78.217142] 3fc0<:0 [ 78.902806] 1ee0: b6e46000 00020000 00000004 0000000b 0001fff5 c43b1ee0 00000001 b6e45000 0000000a 0000000a b6f89e00 00<000[ 78.913854] 1f00: c68172c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0004 00000001 00000000 00020000 <0>[ 78.924901] 1f20: 00000000 00000000 c1371b80 fa042b61 c205c880 c6b3cb40 c6b3cb40 c43b0000 ec33a64 # [ 78.225608] 3fe0: 0<0>[ 78.936125] 1f40: b6e46000 00000000 00000000 00000004 c43b1f94 c43b1f60 c0599bb0 c059951c 0000004 bec33798 b6ef44cf b6e7a7<0>[ 78.947427] 1f60: 00000000 00000000 c43b1fac fa042b61 0000000b 0000000b b6f8de00 00000004 6 # [ 78.230954] Code: 00000<0>[ 78.958648] 1f80: c03002e4 c43b0000 c43b1fa4 c43b1f98 c0599c40 c0599b48 00000000 c43b1fa8 00 c58ae180 c58ae240 c58ae300 <(0>[ 78.969779] 1fa0: c03000c0 c0599c34 0000000b 0000000b 00000001 b6e46000 0000000b 00000000 1a0c00d) # [ 78.237343] -<-0-[ 78.980911] 1fc0: 0000000b 0000000b b6f8de00 00000004 00000001 00000000 00020000 beba0a64 [ end trace 847526dc4fddb700 ]--<0>[ 78.991960] 1fe0: 00000004 beba0798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 # EXEC_DATA: missing 'call t[ 79.003165] Backtrace: ce:': [FAIL] not ok 30 selftests<0>[ 79.008599] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) : lkdtm: EXEC_DATA.sh # exit=1 #0>[ 79.019978] r7:c43b1f60 r6:0000000b r5:c6b84000 r4:c43b0000 selftests: lkdtm: EXEC_STACK.sh <0>[ 79.028689] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.039978] r4:00000020 <0>[ 79.042873] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.051180] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.059392] r9:c43b1f60 r8:c537cb40 r7:0000000b r6:b6e46000 r5:c6b3cb40 r4:c0c35660 <0>[ 79.067439] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 79.075564] r9:c07e1750 r8:c43b1f60 r7:c2815800 r6:b6e46000 r5:c6b3cb40 r4:00000000 <0>[ 79.083602] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.091032] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c43b0000 r5:c6b3cb40 <0>[ 79.099145] r4:c6b3cb40 <0>[ 79.101972] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.109401] r9:c43b0000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:0000000b r4:0000000b <0>[ 79.117441] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.125295] Exception stack(0xc43b1fa8 to 0xc43b1ff0) <0>[ 79.130639] 1fa0: 0000000b 0000000b 00000001 b6e46000 0000000b 00000000 <0>[ 79.139109] 1fc0: 0000000b 0000000b b6f8de00 00000004 00000001 00000000 00020000 beba0a64 <0>[ 79.147574] 1fe0: 00000004 beba0798 b6ef84cf b6e7e7e6 <0>[ 79.152920] Code: c43b1e08 c135c530 c135c2f0 c43b1e6c (e1a0c00d) <4>[ 79.159307] ---[ end trace 847526dc4fddb701 ]--- # Segmentation fault # [ 78.611270] lkdtm: Performing direct entry EXEC_STACK # [ 78.618035] lkdtm: attempting ok execution at c0c35ff0 # [ 78.626387] lkdtm: attempting bad execution at c43b1e0c # [ 78.634641] 8<--- cut here --- # [ 78.640760] Unable to handle kernel paging request at virtual address c43b1e0c # [ 78.650166] pgd = 286f3fab # [ 78.655653] [c43b1e0c] *pgd=1421141e(bad) # [ 78.662804] Internal error: Oops: 8000000d [#4] SMP ARM # [ 78.670978] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.702956] CPU: 3 PID: 1769 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 78.713815] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.722958] PC is at 0xc43b1e0c # [ 78.728984] LR is at execute_location+0xa4/0xb4 # [ 78.736626] pc : [] lr : [] psr: 600e0013 # [ 78.745673] sp : c43b1de8 ip : c43b1cf0 fp : c43b1e04 # [ 78.753419] r10: 0000000b r9 : c1acc8d4 r8 : c15e88e4 # [ 78.761081] r7 : c43b1f60 r6 : 00000001 r5 : c43b1e0c r4 : c0c35ff0 # [ 78.770131] r3 : fa042b61 r2 : fa042b61 r1 : ef7c05e0 r0 : 0000002b # [ 78.779270] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.789272] Control: 10c5387d Table: 1445c04a DAC: 00000051 # [ 78.797629] Process cat (pid: 1769, stack limit = 0x54423cef) # [ 78.806069] Stack: (0xc43b1de8 to 0xc43b2000) # [ 78.813045] 1de0: c43b0000 c6b84000 0000000b c43b1f60 c43b1e64 c43b1e08 # [ 78.824266] 1e00: c135c530 c135c2f0 c43b1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 78.835401] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 78.846707] 1e40: e3a02040 e3a01d33 e5930018 fa042b61 0000000b 00000020 c43b1e74 c43b1e68 # [ 78.857926] 1e60: c0c35280 c135c504 c43b1e9c c43b1e78 c0c35780 c0c35260 c0c35660 c6b3cb40 # [ 78.869146] 1e80: b6e46000 0000000b c537cb40 c43b1f60 c43b1ec4 c43b1ea0 c07e17b4 c0c3566c # [ 78.880366] 1ea0: 00000000 c6b3cb40 b6e46000 c2815800 c43b1f60 c07e1750 c43b1f5c c43b1ec8 # [ 78.891587] 1ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c43b0000 # [ 78.902806] 1ee0: b6e46000 00020000 00000004 0000000b 0001fff5 c43b1ee0 00000001 b6e45000 # [ 78.913854] 1f00: c68172c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.924901] 1f20: 00000000 00000000 c1371b80 fa042b61 c205c880 c6b3cb40 c6b3cb40 c43b0000 # [ 78.936125] 1f40: b6e46000 00000000 00000000 00000004 c43b1f94 c43b1f60 c0599bb0 c059951c # [ 78.947427] 1f60: 00000000 00000000 c43b1fac fa042b61 0000000b 0000000b b6f8de00 00000004 # [ 78.958648] 1f80: c03002e4 c43b0000 c43b1fa4 c43b1f98 c0599c40 c0599b48 00000000 c43b1fa8 # [ 78.969779] 1fa0: c03000c0 c0599c34 0000000b 0000000b 00000001 b6e46000 0000000b 00000000 # [ 78.980911] 1fc0: 0000000b 0000000b b6f8de00 00000004 00000001 00000000 00020000 beba0a64 # [ 78.991960] 1fe0: 00000004 beba0798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 # [ 79.003165] Backtrace: # [ 79.008599] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 79.019978] r7:c43b1f60 r6:0000000b r5:c6b84000 r4:c43b0000 # [ 79.028689] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.039978] r4:00000020 # [ 79.042873] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.051180] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.059392] r9:c43b1f60 r8:c537cb40 r7:0000000b r6:b6e46000 r5:c6b3cb40 r4:c0c35660 # [ 79.067439] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 79.075564] r9:c07e1750 r8:c43b1f60 r7:c2815800 r6:b6e46000 r5:c6b3cb40 r4:00000000 # [ 79.083602] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ <6>[ 79.607834] lkdtm: Performing direct entry EXEC_KMALLOC 79.091032] r10:00000004 r9:00000<6>[ 79.615552] lkdtm: attempting ok execution at c0c35ff0 000 r8:00000000 r7:b6e46000 r6:c4<6>[ 79.623928] lkdtm: attempting bad execution at c429ab80 3b0000 r5:c6b3cb40 # [ 79.0991<1>[ 79.632144] 8<--- cut here --- 45] r4:c6b3cb40 # <[1 > [ 7 9 79.638266] Unable to handle kernel paging request at virtual address c429ab80 101972] [c[> ] (7k9s648001] pgd = 990ead7b ys_write) from [] <(1s>[ 79.652963] [c429ab80] *pgd=1421141e(bad) s_write+0x18/0x1c) <#0 >[[ 79.659840] Internal error: Oops: 8000000d [#5] SMP ARM 9.109401] r9:c43b0000 r8:c03002e<4>[ 79.667576] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 4 r7:00000004 r6:b6f<84d>e[0 0 79.699539] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.168-cip27 #1 5:0000000b< 4r>[4 : 0 07090.07000791] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) b # [ 79.117441<]4 >[[< c 075.718318] PC is at 0xc429ab80 99c28>] (sys_write) from [[ 79.723809] LR is at execute_location+0xa4/0xb4 0c0>] (ret_ft[_ s y s7c9a.l731276] pc : [] lr : [] psr: 600e0013 +0x0/0x28<)4 > [# [ 7 9 .7793.709] sp : c5fede30 ip : c5fedd38 fp : c5fede4c 125295] Exp[t i o n7 9.s7t4a930] r10: 0000000d r9 : c1acc8e0 r8 : c15e88e4 ck(0xc43b1fa<84 >t[o 0 x7c94.3754150] r7 : c5fedf60 r6 : 00000001 r5 : c429ab80 r4 : c0c35ff0 1ff0) # [ < 4 >7[9 . 1 37096.3792844] r3 : d7a28634 r2 : d7a28634 r1 : ef7c05e0 r0 : 0000002b ] 1fa0: < 4 > [ 7 9 771455] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000000b 0<040>0[0 0 0 b7 90.0780844] Control: 10c5387d Table: 16f2804a DAC: 00000051 00001 b6e46000< 00>0[0 0 0 0709b.788757] Process cat (pid: 1849, stack limit = 0x6a637159) 00000000 #< 0[> [ 7 97.91.3796757] Stack: (0xc5fede30 to 0xc5fee000) 109] 1fc0: 00000<000>b[ 0 07090803199] de20: c429ab80 c6b84000 0000000d c5fedf60 000b b6f8de00 000<000>0[0 4 070.813631] de40: c5fede64 c5fede50 c0c36040 c135c2f0 00000021 c6b84000 c5fede74 c5fede68 000001 00000000< 00>0[0 2 0 07090824148] de60: c0c35280 c0c36014 c5fede9c c5fede78 c0c35780 c0c35260 c0c35660 c6b3da40 beba0a64 # [ 79<.01>4[7 5 7 49.834582] de80: b6db7000 0000000d c537cb40 c5fedf60 c5fedec4 c5fedea0 c07e17b4 c0c3566c ] 1fe0: 00000004 be0[7 9 8 9.845185] dea0: 00000000 c6b3da40 b6db7000 c2815800 c5fedf60 c07e1750 c5fedf5c c5fedec8 b6ef84cf b6e7e7e6< 0 >#[ [ 7 9.855788] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c5fec000 79.152920] Code: c4<30b>1[e 0 8 9.866307] dee0: b6db7000 00020000 00000004 0000000d 0001fff3 c5fedee0 00000001 b6db6000 c135c530 c135c2 [c 4 3 b719e876909] df00: c29c97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 6c (e1a0c00d) <#0 >[[ 7799.887342] df20: 00000000 00000000 c1371b80 d7a28634 c205c880 c6b3da40 c6b3da40 c5fec000 159307] ---[ end r[a c e 789.897858] df40: b6db7000 00000000 00000000 00000004 c5fedf94 c5fedf60 c0599bb0 c059951c 7526dc4fddb701 <]0->-[- #7 9E908376] df60: 00000000 00000000 c5fedfac d7a28634 0000000d 0000000d b6efee00 00000004 XEC_STACK: misn[g ' c7a9l.918810] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c0599c40 c0599b48 00000000 c5fedfa8 trace:': [FAIL] < 0n>o[t o k7 .929242] dfa0: c03000c0 c0599c34 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 31 selftests: lkd:[ E X E7C.939760] dfc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 be83ea64 _STACK.sh # exit=<10 > [# s 7e9.950278] dfe0: 00000004 be83e798 b6e694cf b6def7e6 800e0030 00000001 00000000 00000000 ftests: lkdtm: EX_[K M A L7L.960790] Backtrace: OC.sh <0>[ 79.965595] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 79.974888] r7:c5fedf60 r6:0000000d r5:c6b84000 r4:c429ab80 <0>[ 79.980820] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.989438] r5:c6b84000 r4:00000021 <0>[ 79.993284] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.001562] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.009751] r9:c5fedf60 r8:c537cb40 r7:0000000d r6:b6db7000 r5:c6b3da40 r4:c0c35660 <0>[ 80.017768] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 80.025868] r9:c07e1750 r8:c5fedf60 r7:c2815800 r6:b6db7000 r5:c6b3da40 r4:00000000 <0>[ 80.033880] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.041285] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c5fec000 r5:c6b3da40 <0>[ 80.049380] r4:c6b3da40 <0>[ 80.052183] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.059587] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d <0>[ 80.067602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.075438] Exception stack(0xc5fedfa8 to 0xc5fedff0) <0>[ 80.080758] dfa0: 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 <0>[ 80.089204] dfc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 be83ea64 <0>[ 80.097648] dfe0: 00000004 be83e798 b6e694cf b6def7e6 <0>[ 80.102970] Code: eff15620 eff15640 eff15660 eff15680 (e1a0c00d) <4>[ 80.109335] ---[ end trace 847526dc4fddb702 ]--- # Segmentation fault # [ 79.607834] lkdtm: Performing direct entry EXEC_KMALLOC # [ 79.615552] lkdtm: attempting ok execution at c0c35ff0 # [ 79.623928] lkdtm: attempting bad execution at c429ab80 # [ 79.632144] 8<--- cut here --- # [ 79.638266] Unable to handle kernel paging request at virtual address c429ab80 # [ 79.648001] pgd = 990ead7b # [ 79.652963] [c429ab80] *pgd=1421141e(bad) # [ 79.659840] Internal error: Oops: 8000000d [#5] SMP ARM # [ 79.667576] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.699539] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 79.709791] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.718318] PC is at 0xc429ab80 # [ 79.723809] LR is at execute_location+0xa4/0xb4 # [ 79.731276] pc : [] lr : [] psr: 600e0013 # [ 79.739709] sp : c5fede30 ip : c5fedd38 fp : c5fede4c # [ 79.746930] r10: 0000000d r9 : c1acc8e0 r8 : c15e88e4 # [ 79.754150] r7 : c5fedf60 r6 : 00000001 r5 : c429ab80 r4 : c0c35ff0 # [ 79.762844] r3 : d7a28634 r2 : d7a28634 r1 : ef7c05e0 r0 : 0000002b # [ 79.771455] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.780844] Control: 10c5387d Table: 16f2804a DAC: 00000051 # [ 79.788757] Process cat (pid: 1849, stack limit = 0x6a637159) # [ 79.796757] Stack: (0xc5fede30 to 0xc5fee000) # [ 79.803199] de20: c429ab80 c6b84000 0000000d c5fedf60 # [ 79.813631] de40: c5fede64 c5fede50 c0c36040 c135c2f0 00000021 c6b84000 c5fede74 c5fede68 # [ 79.824148] de60: c0c35280 c0c36014 c5fede9c c5fede78 c0c35780 c0c35260 c0c35660 c6b3da40 # [ 79.834582] de80: b6db7000 0000000d c537cb40 c5fedf60 c5fedec4 c5fedea0 c07e17b4 c0c3566c # [ 79.845185] dea0: 00000000 c6b3da40 b6db7000 c2815800 c5fedf60 c07e1750 c5fedf5c c5fedec8 # [ 79.855788] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c5fec000 # [ 79.866307] dee0: b6db7000 00020000 00000004 0000000d 0001fff3 c5fedee0 00000001 b6db6000 # [ 79.876909] df00: c29c97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.887342] df20: 00000000 00000000 c1371b80 d7a28634 c205c880 c6b3da40 c6b3da40 c5fec000 # [ 79.897858] df40: b6db7000 00000000 00000000 00000004 c5fedf94 c5fedf60 c0599bb0 c059951c # [ 79.908376] df60: 00000000 00000000 c5fedfac d7a28634 0000000d 0000000d b6efee00 00000004 # [ 79.918810] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c0599c40 c0599b48 00000000 c5fedfa8 # [ 79.929242] dfa0: c03000c0 c0599c34 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 # [ 79.939760] dfc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 be83ea64 # [ 79.950278] dfe0: 00000004 be83e798 b6e694cf b6def7e6 800e0030 00000001 00000000 00000000 # [ 79.960790] Backtrace: # [ 79.965595] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 79.974888] r7:c5fedf60 r6:0000000d r5:c6b84000 r4:c429ab80 # [ 79.980820] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.989438] r5:c6b84000 r4:00000021 # [ 79.993284] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.001562] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.009751] r9:c5fedf60 r8:c537cb40 r7:0000000d r6:b6db7000 r5:c6b3da40 r4:c0c35660 # [ 80.017768] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 80.025868] r9:c07e1750 r8:c5fedf60 r7:c2815800 r6:b6db7000 r5:c6b3da40 r4:00000000 # [ 80.033880] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.041285] r10:00000004 r9:00000000 r8:000000<6>[ 80.541421] lkdtm: Performing direct entry EXEC_VMALLOC 00 r7:b6db7000 r6:c5fec000 r5:c6b<6>[ 80.549675] lkdtm: attempting ok execution at c0c35ff0 3da40 # [ 80.049380] r4:c6b3d<6>[ 80.557921] lkdtm: attempting bad execution at f096c000 a40 # [ 80.052183] [<1>[ 80.566266] 8<--- cut here --- ] (ksys_write) from [] <1>[ 80.572409] Unable to handle kernel paging request at virtual address f096c000 (sys_write+0x18/0x1c) # [ 80.0<1>[ 80.582773] pgd = e08fcf36 59587] r9:c5fec000 r8:c03002e4 r<1>[ 80.588555] [f096c000] *pgd=12949811, *pte=4951765f, *ppte=4951745f 7:00000004 r6:b6efee00 r5:0000000<0>[ 80.597989] Internal error: Oops: 8000000f [#6] SMP ARM d r4:0000000d # [ 80.067602] [<4>[ 80.606297] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ] (sys_write<)4 >f[r o 80.638259] CPU: 3 PID: 1926 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [4]> [( r e t8_0f.a6s8598] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) t_syscall+0x0/0x28) < 4#> [[ 80.657213] PC is at 0xf096c000 80.075438] Exception stack(0xc5[ 80.662877] LR is at execute_location+0xa4/0xb4 edfa8 to 0xc5d[f f 0 )8 0 .#70345] pc : [] lr : [] psr: 600e0013 [ 80.08<047>5[8 ] d8f0.a607:778] sp : c42b1e30 ip : c42b1d38 fp : c42b1e4c < 4 > [ 8 00.0605997] r10: 0000000d r9 : c1acc8f0 r8 : c15e88e4 0000d 000<040>0[0 d 08000.06090304] r7 : c42b1f60 r6 : 00000001 r5 : f096c000 r4 : c0c35ff0 01 b6db70<040> [0 0 0 08000.700d1825] r3 : 2ac91123 r2 : 2ac91123 r1 : ef7c05e0 r0 : 0000002b 00000000 # [ < 48>0[. 0 8 98200710350] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 4] dfc0: <040>0[0 0 0 08d0 .07010738] Control: 10c5387d Table: 16f3804a DAC: 00000051 0000d b6efee00 <00>0[0 0 0 08004.727479] Process cat (pid: 1926, stack limit = 0x2d309bb7) 00000001 000<000>0[0 0 08000.2735479] Stack: (0xc42b1e30 to 0xc42b2000) 000 be83ea64 <#0 >[[ 8800..742006] 1e20: f096c000 c6ded000 0000000d c42b1f60 97648] dfe0: 0000<000>0[4 b e88.752439] 1e40: c42b1e64 c42b1e50 c0c36074 c135c2f0 00000022 c6ded000 c42b1e74 c42b1e68 3e798 b6e694cf b6d7[e 6 80.762957] 1e60: c0c35280 c0c36058 c42b1e9c c42b1e78 c0c35780 c0c35260 c0c35660 c6b3d7c0 [ 80.102970] Cod [ e f f80.773562] 1e80: b6dee000 0000000d c537cb40 c42b1f60 c42b1ec4 c42b1ea0 c07e17b4 c0c3566c 5620 eff15640 eff1<506>6[0 e f80.784167] 1ea0: 00000000 c6b3d7c0 b6dee000 c2815800 c42b1f60 c07e1750 c42b1f5c c42b1ec8 15680 (e1a0c00 [ # 8[0 .794770] 1ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c2d6dbe4 c0599bb0 c42b0000 80.109335] -<-0->[[ e n d8 0t.r05203] 1ee0: b6dee000 00020000 00000004 0000000d 0001fff3 c42b1ee0 00000001 00000805 ace 847526dc4fdd0[2 ] -8-0.815549] 1f00: c29c97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # EXEC_KMALLO [m i s s8i0n826067] 1f20: 00000000 00000000 c42b0000 2ac91123 b6ded000 c6b3d7c0 c6b3d7c0 c42b0000 g 'call trace:':< 0[>F[A I L ]8 0.836500] 1f40: b6dee000 00000000 00000000 00000004 c42b1f94 c42b1f60 c0599bb0 c059951c not ok 32 selftes:[ l k d8t.847018] 1f60: 00000000 00000000 c42b1fac 2ac91123 0000000d 0000000d b6f35e00 00000004 m: EXEC_KMALLOC.sh< 0#> [e x i t80.857538] 1f80: c03002e4 c42b0000 c42b1fa4 c42b1f98 c0599c40 c0599b48 00000000 c42b1fa8 1 # selftests: lkm[: E X80.868143] 1fa0: c03000c0 c0599c34 0000000d 0000000d 00000001 b6dee000 0000000d 00000000 C_VMALLOC.sh <0>[ 80.878746] 1fc0: 0000000d 0000000d b6f35e00 00000004 00000001 00000000 00020000 bee1da64 <0>[ 80.888397] 1fe0: 00000004 bee1d798 b6ea04cf b6e267e6 800e0030 00000001 00000000 00000000 <0>[ 80.896837] Backtrace: <0>[ 80.899571] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 80.908281] r7:c42b1f60 r6:0000000d r5:c6ded000 r4:f096c000 <0>[ 80.914213] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.922832] r5:c6ded000 r4:00000022 <0>[ 80.926680] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.934959] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.943146] r9:c42b1f60 r8:c537cb40 r7:0000000d r6:b6dee000 r5:c6b3d7c0 r4:c0c35660 <0>[ 80.951164] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 80.959264] r9:c07e1750 r8:c42b1f60 r7:c2815800 r6:b6dee000 r5:c6b3d7c0 r4:00000000 <0>[ 80.967277] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.974682] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c42b0000 r5:c6b3d7c0 <0>[ 80.982778] r4:c6b3d7c0 <0>[ 80.985583] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.992988] r9:c42b0000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:0000000d r4:0000000d <0>[ 81.001002] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.008838] Exception stack(0xc42b1fa8 to 0xc42b1ff0) <0>[ 81.014159] 1fa0: 0000000d 0000000d 00000001 b6dee000 0000000d 00000000 <0>[ 81.022605] 1fc0: 0000000d 0000000d b6f35e00 00000004 00000001 00000000 00020000 bee1da64 <0>[ 81.031049] 1fe0: 00000004 bee1d798 b6ea04cf b6e267e6 <0>[ 81.036373] Code: bad PC value <4>[ 81.039828] ---[ end trace 847526dc4fddb703 ]--- # Segmentation fault # [ 80.541421] lkdtm: Performing direct entry EXEC_VMALLOC # [ 80.549675] lkdtm: attempting ok execution at c0c35ff0 # [ 80.557921] lkdtm: attempting bad execution at f096c000 # [ 80.566266] 8<--- cut here --- # [ 80.572409] Unable to handle kernel paging request at virtual address f096c000 # [ 80.582773] pgd = e08fcf36 # [ 80.588555] [f096c000] *pgd=12949811, *pte=4951765f, *ppte=4951745f # [ 80.597989] Internal error: Oops: 8000000f [#6] SMP ARM # [ 80.606297] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.638259] CPU: 3 PID: 1926 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 80.648598] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.657213] PC is at 0xf096c000 # [ 80.662877] LR is at execute_location+0xa4/0xb4 # [ 80.670345] pc : [] lr : [] psr: 600e0013 # [ 80.678778] sp : c42b1e30 ip : c42b1d38 fp : c42b1e4c # [ 80.685997] r10: 0000000d r9 : c1acc8f0 r8 : c15e88e4 # [ 80.693304] r7 : c42b1f60 r6 : 00000001 r5 : f096c000 r4 : c0c35ff0 # [ 80.701825] r3 : 2ac91123 r2 : 2ac91123 r1 : ef7c05e0 r0 : 0000002b # [ 80.710350] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.719738] Control: 10c5387d Table: 16f3804a DAC: 00000051 # [ 80.727479] Process cat (pid: 1926, stack limit = 0x2d309bb7) # [ 80.735479] Stack: (0xc42b1e30 to 0xc42b2000) # [ 80.742006] 1e20: f096c000 c6ded000 0000000d c42b1f60 # [ 80.752439] 1e40: c42b1e64 c42b1e50 c0c36074 c135c2f0 00000022 c6ded000 c42b1e74 c42b1e68 # [ 80.762957] 1e60: c0c35280 c0c36058 c42b1e9c c42b1e78 c0c35780 c0c35260 c0c35660 c6b3d7c0 # [ 80.773562] 1e80: b6dee000 0000000d c537cb40 c42b1f60 c42b1ec4 c42b1ea0 c07e17b4 c0c3566c # [ 80.784167] 1ea0: 00000000 c6b3d7c0 b6dee000 c2815800 c42b1f60 c07e1750 c42b1f5c c42b1ec8 # [ 80.794770] 1ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c2d6dbe4 c0599bb0 c42b0000 # [ 80.805203] 1ee0: b6dee000 00020000 00000004 0000000d 0001fff3 c42b1ee0 00000001 00000805 # [ 80.815549] 1f00: c29c97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.826067] 1f20: 00000000 00000000 c42b0000 2ac91123 b6ded000 c6b3d7c0 c6b3d7c0 c42b0000 # [ 80.836500] 1f40: b6dee000 00000000 00000000 00000004 c42b1f94 c42b1f60 c0599bb0 c059951c # [ 80.847018] 1f60: 00000000 00000000 c42b1fac 2ac91123 0000000d 0000000d b6f35e00 00000004 # [ 80.857538] 1f80: c03002e4 c42b0000 c42b1fa4 c42b1f98 c0599c40 c0599b48 00000000 c42b1fa8 # [ 80.868143] 1fa0: c03000c0 c0599c34 0000000d 0000000d 00000001 b6dee000 0000000d 00000000 # [ 80.878746] 1fc0: 0000000d 0000000d b6f35e00 00000004 00000001 00000000 00020000 bee1da64 # [ 80.888397] 1fe0: 00000004 bee1d798 b6ea04cf b6e267e6 800e0030 00000001 00000000 00000000 # [ 80.896837] Backtrace: # [ 80.899571] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 80.908281] r7:c42b1f60 r6:0000000d r5:c6ded000 r4:f096c000 # [ 80.914213] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.922832] r5:c6ded000 r4:00000022 # [ 80.926680] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.934959] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.943146] r9:c42b1f60 r8:c537cb40 r7:0000000d r6:b6dee000 r5:c6b3d7c0 r4:c0c35660 # [ 80.951164]<6>[ 81.449083] lkdtm: Performing direct entry EXEC_RODATA [] (full_proxy_write) <6>[ 81.455482] lkdtm: attempting ok execution at c0c35ff0 from [] (vfs_write+0x10<6>[ 81.463700] lkdtm: attempting bad execution at c15e8b80 c/0x524) # [ 80.959264] r9:c0<1>[ 81.472109] 8<--- cut here --- <1>[ 81.478233] Unable to handle kernel paging request at virtual address c15e8b80 <1>[ 81.485745] pgd = f3ca27d3 <1>[ 81.488737] [c15e8b80] *pgd=1141941e(bad) <0>[ 81.493062] Internal error: Oops: 8000000d [#7] SMP ARM <4>[ 81.498574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 81.528117] CPU: 0 PID: 2003 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 81.536146] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.542979] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 81.548332] LR is at execute_location+0xa4/0xb4 <4>[ 81.553149] pc : [] lr : [] psr: 600e0013 <4>[ 81.559701] sp : c697fe38 ip : c697fd40 fp : c697fe54 <4>[ 81.565212] r10: 0000000c r9 : c1acc900 r8 : c15e88e4 <4>[ 81.570720] r7 : c697ff60 r6 : 00000000 r5 : c15e8b80 r4 : c0c35ff0 <4>[ 81.577533] r3 : 39a17ad4 r2 : 39a17ad4 r1 : ef7815e0 r0 : 0000002b <4>[ 81.584348] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 81.591769] Control: 10c5387d Table: 16ef404a DAC: 00000051 <0>[ 81.597802] Process cat (pid: 2003, stack limit = 0xa1d1118e) <0>[ 81.603832] Stack: (0xc697fe38 to 0xc6980000) <0>[ 81.608479] fe20: 00000023 c2c3f000 <0>[ 81.616950] fe40: 0000000c c697ff60 c697fe64 c697fe58 c135c570 c135c2f0 c697fe74 c697fe68 <0>[ 81.625420] fe60: c0c35280 c135c558 c697fe9c c697fe78 c0c35780 c0c35260 c0c35660 c6b5f180 <0>[ 81.633890] fe80: b6e80000 0000000c c537cb40 c697ff60 c697fec4 c697fea0 c07e17b4 c0c3566c <0>[ 81.642359] fea0: 00000000 c6b5f180 b6e80000 c2815800 c697ff60 c07e1750 c697ff5c c697fec8 <0>[ 81.650830] fec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c697e000 <0>[ 81.659299] fee0: b6e80000 00020000 00000004 0000000c 0001fff4 c697fee0 00000001 b6e7f000 <0>[ 81.667767] ff00: c6816780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 81.676237] ff20: 00000000 00000000 c1371b80 39a17ad4 c205c880 c6b5f180 c6b5f180 c697e000 <0>[ 81.684706] ff40: b6e80000 00000000 00000000 00000004 c697ff94 c697ff60 c0599bb0 c059951c <0>[ 81.693174] ff60: 00000000 00000000 c697ffac 39a17ad4 0000000c 0000000c b6fc7e00 00000004 <0>[ 81.701643] ff80: c03002e4 c697e000 c697ffa4 c697ff98 c0599c40 c0599b48 00000000 c697ffa8 <0>[ 81.710111] ffa0: c03000c0 c0599c34 0000000c 0000000c 00000001 b6e80000 0000000c 00000000 <0>[ 81.718581] ffc0: 0000000c 0000000c b6fc7e00 00000004 00000001 00000000 00020000 beebda64 <0>[ 81.727049] ffe0: 00000004 beebd798 b6f324cf b6eb87e6 800e0030 00000001 00000000 00000000 <0>[ 81.735505] Backtrace: <0>[ 81.738273] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 81.746919] r7:c697ff60 r6:0000000c r5:c2c3f000 r4:00000023 <0>[ 81.752879] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.761440] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.769745] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.777955] r9:c697ff60 r8:c537cb40 r7:0000000c r6:b6e80000 r5:c6b5f180 r4:c0c35660 <0>[ 81.786002] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 81.794126] r9:c07e1750 r8:c697ff60 r7:c2815800 r6:b6e80000 r5:c6b5f180 r4:00000000 <0>[ 81.802164] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.809593] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c697e000 r5:c6b5f180 <0>[ 81.817704] r4:c6b5f180 <0>[ 81.820534] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.827962] r9:c697e000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:0000000c r4:0000000c <0>[ 81.836005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.843858] Exception stack(0xc697ffa8 to 0xc697fff0) <0>[ 81.849200] ffa0: 0000000c 0000000c 00000001 b6e80000 0000000c 00000000 <0>[ 81.857671] ffc0: 0000000c 0000000c b6fc7e00 00000004 00000001 00000000 00020000 beebda64 <0>[ 81.866134] ffe0: 00000004 beebd798 b6f324cf b6eb87e6 <0>[ 81.871480] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 81.877867] ---[ end trace 847526dc4fddb704 ]--- 7e1750 r8:c42b1f60 r7:c2815800 r6:b6dee000 r5:c6b3d7c0 r4:00000000 # [ 80.967277] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.974682] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c42b0000 r5:c6b3d7c0 # [ 80.982778] r4:c6b3d7c0 # [ 80.985583] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.992988] r9:c42b0000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:0000000d r4:0000000d # [ 81.001002] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.008838] Exception stack(0xc42b1fa8 to 0xc42b1ff0) # [ 81.014159] 1fa0: 0000000d 0000000d 00000001 b6dee000 0000000d 00000000 # [ 81.022605] 1fc0: 0000000d 0000000d b6f35e00 00000004 00000001 00000000 00020000 bee1da64 # [ 81.031049] 1fe0: 00000004 bee1d798 b6ea04cf b6e267e6 # [ 81.036373] Code: bad PC value # [ 81.039828] ---[ end trace 847526dc4fddb703 ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh # Segmentation fault # [ 81.449083] lkdtm: Performing direct entry EXEC_RODATA # [ 81.455482] lkdtm: attempting ok execution at c0c35ff0 # [ 81.463700] lkdtm: attempting bad execution at c15e8b80 # [ 81.472109] 8<--- cut here --- # [ 81.478233] Unable to handle kernel paging request at virtual address c15e8b80 # [ 81.485745] pgd = f3ca27d3 # [ 81.488737] [c15e8b80] *pgd=1141941e(bad) # [ 81.493062] Internal error: Oops: 8000000d [#7] SMP ARM # [ 81.498574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.528117] CPU: 0 PID: 2003 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 81.536146] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.542979] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 81.548332] LR is at execute_location+0xa4/0xb4 # [ 81.553149] pc : [] lr : [] psr: 600e0013 # [ 81.559701] sp : c697fe38 ip : c697fd40 fp : c697fe54 # [ 81.565212] r10: 0000000c r9 : c1acc900 r8 : c15e88e4 # [ 81.570720] r7 : c697ff60 r6 : 00000000 r5 : c15e8b80 r4 : c0c35ff0 # [ 81.577533] r3 : 39a17ad4 r2 : 39a17ad4 r1 : ef7815e0 r0 : 0000002b # [ 81.584348] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.591769] Control: 10c5387d Table: 16ef404a DAC: 00000051 # [ 81.597802] Process cat (pid: 2003, stack limit = 0xa1d1118e) # [ 81.603832] Stack: (0xc697fe38 to 0xc6980000) # [ 81.608479] fe20: 00000023 c2c3f000 # [ 81.616950] fe40: 0000000c c697ff60 c697fe64 c697fe58 c135c570 c135c2f0 c697fe74 c697fe68 # [ 81.625420] fe60: c0c35280 c135c558 c697fe9c c697fe78 c0c35780 c0c35260 c0c35660 c6b5f180 # [ 81.633890] fe80: b6e80000 0000000c c537cb40 c697ff60 c697fec4 c697fea0 c07e17b4 c0c3566c # [ 81.642359] fea0: 00000000 c6b5f180 b6e80000 c2815800 c697ff60 c07e1750 c697ff5c c697fec8 # [ 81.650830] fec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c697e000 # [ 81.659299] fee0: b6e80000 00020000 00000004 0000000c 0001fff4 c697fee0 00000001 b6e7f000 # [ 81.667767] ff00: c6816780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.676237] ff20: 00000000 00000000 c1371b80 39a17ad4 c205c880 c6b5f180 c6b5f180 c697e000 # [ 81.684706] ff40: b6e80000 00000000 00000000 00000004 c697ff94 c697ff60 c0599bb0 c059951c # [ 81.693174] ff60: 00000000 00000000 c697ffac 39a17ad4 0000000c 0000000c b6fc7e00 00000004 # [ 81.701643] ff80: c03002e4 c697e000 c697ffa4 c697ff98 c0599c40 c0599b48 00000000 c697ffa8 # [ 81.710111] ffa0: c03000c0 c0599c34 0000000c 0000000c 00000001 b6e80000 0000000c 00000000 # [ 81.718581] ffc0: 0000000c 0000000c b6fc7e00 00000004 00000001 00000000 00020000 beebda64 # [ 81.727049] ffe0: 00000004 beebd798 b6f324cf b6eb87e6 800e0030 00000001 00000000 00000000 # [ 81.735505] Backtrace: # [ 81.738273] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 81.746919] r7:c697ff60 r6:0000000c r5:c2c3f000 r4:00000023 # [ 81.752879] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.761440] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.769745] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.777955] r9:c697ff60 r8:c537cb40 r7:0000000c r6:b6e80000 r5:c6b5f180 r4:c0c35660 # [ 81.786002] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 81.794126] r9:c07e1750 r8:c697ff60 r7:c2815800 r6:b6e80000 r5:c6b5f180 r4:00000000 # [ 81.802164] [[ 82.329987] lkdtm: Performing direct entry EXEC_USERSPACE 0>] (vfs_write) from []<6>[ 82.337407] lkdtm: attempting ok execution at c0c35ff0 (ksys_write+0x74/0xec) # [ 81<6>[ 82.347189] lkdtm: attempting bad execution at b6fe9000 .809593] r10:00000004 r9:0000000<1>[ 82.354017] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fe9000 <0>[ 82.364250] Internal error: : b [#8] SMP ARM <4>[ 82.368791] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 82.398084] CPU: 0 PID: 2079 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 82.406093] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.412890] PC is at 0xb6fe9000 <4>[ 82.416306] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 82.421451] pc : [] lr : [] psr: 60070013 <4>[ 82.427984] sp : c697de48 ip : c697dd50 fp : c697de64 <4>[ 82.433475] r10: 0000000f r9 : c1acc90c r8 : c15e88e4 <4>[ 82.438964] r7 : c697df60 r6 : 0000000f r5 : c2c41000 r4 : b6fe9000 <4>[ 82.445756] r3 : 28f43920 r2 : 28f43920 r1 : ef7815e0 r0 : 0000002b <4>[ 82.452551] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 82.459951] Control: 10c5387d Table: 16eec04a DAC: 00000051 <0>[ 82.465965] Process cat (pid: 2079, stack limit = 0x7299fa45) <0>[ 82.471979] Stack: (0xc697de48 to 0xc697e000) <0>[ 82.476606] de40: 00000001 00000000 0000000f 00000024 c697de74 c697de68 <0>[ 82.485053] de60: c0c35280 c0c3608c c697de9c c697de78 c0c35780 c0c35260 c0c35660 c6b5f400 <0>[ 82.493500] de80: b6ea3000 0000000f c537cb40 c697df60 c697dec4 c697dea0 c07e17b4 c0c3566c <0>[ 82.501946] dea0: 00000000 c6b5f400 b6ea3000 c2815800 c697df60 c07e1750 c697df5c c697dec8 <0>[ 82.510392] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c697c000 <0>[ 82.518837] dee0: b6ea3000 00020000 00000004 0000000f 0001fff1 c697dee0 00000001 b6ea2000 <0>[ 82.527283] df00: c5f28640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 82.535729] df20: 00000000 00000000 c1371b80 28f43920 c205c880 c6b5f400 c6b5f400 c697c000 <0>[ 82.544175] df40: b6ea3000 00000000 00000000 00000004 c697df94 c697df60 c0599bb0 c059951c <0>[ 82.552622] df60: 00000000 00000000 c697dfac 28f43920 0000000f 0000000f b6feae00 00000004 <0>[ 82.561069] df80: c03002e4 c697c000 c697dfa4 c697df98 c0599c40 c0599b48 00000000 c697dfa8 <0>[ 82.569516] dfa0: c03000c0 c0599c34 0000000f 0000000f 00000001 b6ea3000 0000000f 00000000 <0>[ 82.577962] dfc0: 0000000f 0000000f b6feae00 00000004 00000001 00000000 00020000 beba8a64 <0>[ 82.586408] dfe0: 00000004 beba8798 b6f554cf b6edb7e6 800e0030 00000001 00000000 00000000 <0>[ 82.594849] Backtrace: <0>[ 82.597575] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.606366] r4:00000024 <0>[ 82.609175] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.617457] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.625643] r9:c697df60 r8:c537cb40 r7:0000000f r6:b6ea3000 r5:c6b5f400 r4:c0c35660 <0>[ 82.633661] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 82.641762] r9:c07e1750 r8:c697df60 r7:c2815800 r6:b6ea3000 r5:c6b5f400 r4:00000000 <0>[ 82.649775] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.657179] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c697c000 r5:c6b5f400 <0>[ 82.665273] r4:c6b5f400 <0>[ 82.668082] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.675486] r9:c697c000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000000f r4:0000000f <0>[ 82.683504] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.691338] Exception stack(0xc697dfa8 to 0xc697dff0) <0>[ 82.696658] dfa0: 0000000f 0000000f 00000001 b6ea3000 0000000f 00000000 <0>[ 82.705104] dfc0: 0000000f 0000000f b6feae00 00000004 00000001 00000000 00020000 beba8a64 <0>[ 82.713547] dfe0: 00000004 beba8798 b6f554cf b6edb7e6 <0>[ 82.718872] Code: bad PC value <4>[ 82.722199] ---[ end trace 847526dc4fddb705 ]--- 0 r8:00000000 r7:b6e80000 r6:c697e000 r5:c6b5f180 # [ 81.817704] r4:c6b5f180 # [ 81.820534] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.827962] r9:c697e000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:0000000c r4:0000000c # [ 81.836005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.843858] Exception stack(0xc697ffa8 to 0xc697fff0) # [ 81.849200] ffa0: 0000000c 0000000c 00000001 b6e80000 0000000c 00000000 # [ 81.857671] ffc0: 0000000c 0000000c b6fc7e00 00000004 00000001 00000000 00020000 beebda64 # [ 81.866134] ffe0: 00000004 beebd798 b6f324cf b6eb87e6 # [ 81.871480] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 81.877867] ---[ end trace 847526dc4fddb704 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 82.329987] lkdtm: Performing direct entry EXEC_USERSPACE # [ 82.337407] lkdtm: attempting ok execution at c0c35ff0 # [ 82.347189] lkdtm: attempting bad execution at b6fe9000 # [ 82.354017] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fe9000 # [ 82.364250] Internal error: : b [#8] SMP ARM # [ 82.368791] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.398084] CPU: 0 PID: 2079 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 82.406093] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.412890] PC is at 0xb6fe9000 # [ 82.416306] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 82.421451] pc : [] lr : [] psr: 60070013 # [ 82.427984] sp : c697de48 ip : c697dd50 fp : c697de64 # [ 82.433475] r10: 0000000f r9 : c1acc90c r8 : c15e88e4 # [ 82.438964] r7 : c697df60 r6 : 0000000f r5 : c2c41000 r4 : b6fe9000 # [ 82.445756] r3 : 28f43920 r2 : 28f43920 r1 : ef7815e0 r0 : 0000002b # [ 82.452551] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.459951] Control: 10c5387d Table: 16eec04a DAC: 00000051 # [ 82.465965] Process cat (pid: 2079, stack limit = 0x7299fa45) # [ 82.471979] Stack: (0xc697de48 to 0xc697e000) # [ 82.476606] de40: 00000001 00000000 0000000f 00000024 c697de74 c697de68 # [ 82.485053] de60: c0c35280 c0c3608c c697de9c c697de78 c0c35780 c0c35260 c0c35660 c6b5f400 # [ 82.493500] de80: b6ea3000 0000000f c537cb40 c697df60 c697dec4 c697dea0 c07e17b4 c0c3566c # [ 82.501946] dea0: 00000000 c6b5f400 b6ea3000 c2815800 c697df60 c07e1750 c697df5c c697dec8 # [ 82.510392] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c697c000 # [ 82.518837] dee0: b6ea3000 00020000 00000004 0000000f 0001fff1 c697dee0 00000001 b6ea2000 # [ 82.527283] df00: c5f28640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.535729] df20: 00000000 00000000 c1371b80 28f43920 c205c880 c6b5f400 c6b5f400 c697c000 # [ 82.544175] df40: b6ea3000 00000000 00000000 00000004 c697df94 c697df60 c0599bb0 c059951c # [ 82.552622] df60: 00000000 00000000 c697dfac 28f43920 0000000f 0000000f b6feae00 00000004 # [ 82.561069] df80: c03002e4 c697c000 c697dfa4 c697df98 c0599c40 c0599b48 00000000 c697dfa8 # [ 82.569516] dfa0: c03000c0 c0599c34 0000000f 0000000f 00000001 b6ea3000 0000000f 00000000 # [ 82.577962] dfc0: 0000000f 0000000f b6feae00 00000004 00000001 00000000 00020000 beba8a64 # [ 82.586408] dfe0: 00000004 beba8798 b6f554cf b6edb7e6 800e0030 00000001 00000000 00000000 # [ 82.594849] Backtrace: # [ 82.597575] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.606366] r4:00000024 # [ 82.609175] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.617457] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.625643] r9:c697df60 r8:c537cb40 r7:0000000f r6:b6ea3000 r5:c6b5f400 r4:c0c35660 # [ 82.633661] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 82.641762] r9:c07e1750 r8:c697df60 r7:c2815800 r6:b6ea3000 r5:c6b5f400 r4:00000000 # [ 82.649775] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.657179] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c697c000 r5:c6b5f400 # [ 82.665273] r4:c6b5f400 # [ 82.668082] [] (ksys_write) from [] (sys_w<6>[ 83.146795] lkdtm: Performing direct entry EXEC_NULL rite+0x18/0x1c) # [ 82.675486]<6>[ 83.154273] lkdtm: attempting ok execution at c0c35ff0 r9:c697c000 r8:c03002e4 r7:0000<6>[ 83.162552] lkdtm: attempting bad execution at 00000000 0004 r6:b6feae00 r5:0000000f r4:0<1>[ 83.170862] 8<--- cut here --- 000000f # [ 82.683504] [[ 83.177171] Unable to handle kernel NULL pointer dereference at virtual address 00000000 c28>] (sys_write) from [[ 83.189279] pgd = 937231a3 >] (ret_fast_syscall+0x0/0x28) #<1>[ 83.194522] [00000000] *pgd=00000000 [ 82.691338] Exception stack(0<0>[ 83.200929] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 83.209231] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 83.238526] CPU: 0 PID: 2150 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 83.246533] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.253331] PC is at 0x0 <4>[ 83.256142] LR is at execute_location+0xa4/0xb4 <4>[ 83.260939] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 83.267471] sp : c4793e38 ip : 00000027 fp : c4793e54 <4>[ 83.272962] r10: 0000000a r9 : c1acc91c r8 : c15e88e4 <4>[ 83.278453] r7 : c4793f60 r6 : 00000000 r5 : 00000000 r4 : c0c35ff0 <4>[ 83.285247] r3 : ba263db6 r2 : ba263db6 r1 : ef7815e4 r0 : 0000002b <4>[ 83.292042] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.299442] Control: 10c5387d Table: 1697c04a DAC: 00000051 <0>[ 83.305455] Process cat (pid: 2150, stack limit = 0x7a69a420) <0>[ 83.311468] Stack: (0xc4793e38 to 0xc4794000) <0>[ 83.316092] 3e20: 00000025 c2c42000 <0>[ 83.324541] 3e40: 0000000a c4793f60 c4793e64 c4793e58 c135c594 c135c2f0 c4793e74 c4793e68 <0>[ 83.332987] 3e60: c0c35280 c135c580 c4793e9c c4793e78 c0c35780 c0c35260 c0c35660 c6b5e280 <0>[ 83.341434] 3e80: b6e66000 0000000a c537cb40 c4793f60 c4793ec4 c4793ea0 c07e17b4 c0c3566c <0>[ 83.349879] 3ea0: 00000000 c6b5e280 b6e66000 c2815800 c4793f60 c07e1750 c4793f5c c4793ec8 <0>[ 83.358326] 3ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c4792000 <0>[ 83.366773] 3ee0: b6e66000 00020000 00000004 0000000a 0001fff6 c4793ee0 00000001 b6e65000 <0>[ 83.375218] 3f00: c4188dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.383665] 3f20: 00000000 00000000 c1371b80 ba263db6 c205c880 c6b5e280 c6b5e280 c4792000 <0>[ 83.392113] 3f40: b6e66000 00000000 00000000 00000004 c4793f94 c4793f60 c0599bb0 c059951c <0>[ 83.400560] 3f60: 00000000 00000000 c4793fac ba263db6 0000000a 0000000a b6fade00 00000004 <0>[ 83.409006] 3f80: c03002e4 c4792000 c4793fa4 c4793f98 c0599c40 c0599b48 00000000 c4793fa8 <0>[ 83.417453] 3fa0: c03000c0 c0599c34 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 <0>[ 83.425899] 3fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 becc4a64 <0>[ 83.434346] 3fe0: 00000004 becc4798 b6f184cf b6e9e7e6 800e0030 00000001 00000000 00000000 <0>[ 83.442785] Backtrace: <0>[ 83.445513] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 83.453961] r7:c4793f60 r6:0000000a r5:c2c42000 r4:00000025 <0>[ 83.459895] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.468257] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.476537] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.484724] r9:c4793f60 r8:c537cb40 r7:0000000a r6:b6e66000 r5:c6b5e280 r4:c0c35660 <0>[ 83.492741] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 83.500840] r9:c07e1750 r8:c4793f60 r7:c2815800 r6:b6e66000 r5:c6b5e280 r4:00000000 <0>[ 83.508853] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.516257] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c4792000 r5:c6b5e280 <0>[ 83.524352] r4:c6b5e280 <0>[ 83.527157] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.534563] r9:c4792000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000a r4:0000000a <0>[ 83.542580] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.550415] Exception stack(0xc4793fa8 to 0xc4793ff0) <0>[ 83.555734] 3fa0: 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 <0>[ 83.564179] 3fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 becc4a64 <0>[ 83.572623] 3fe0: 00000004 becc4798 b6f184cf b6e9e7e6 <0>[ 83.577946] Code: bad PC value xc697dfa8 to 0xc697dff0) # [ 8<4>[ 83.581334] ---[ end trace 847526dc4fddb706 ]--- 2.696658] dfa0: 0000000f 0000000f 00000001 b6ea3000 0000000f 00000000 # [ 82.705104] dfc0: 0000000f 0000000f b6feae00 00000004 00000001 00000000 00020000 beba8a64 # [ 82.713547] dfe0: 00000004 beba8798 b6f554cf b6edb7e6 # [ 82.718872] Code: bad PC value # [ 82.722199] ---[ end trace 847526dc4fddb705 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 83.146795] lkdtm: Performing direct entry EXEC_NULL # [ 83.154273] lkdtm: attempting ok execution at c0c35ff0 # [ 83.162552] lkdtm: attempting bad execution at 00000000 # [ 83.170862] 8<--- cut here --- # [ 83.177171] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 83.189279] pgd = 937231a3 # [ 83.194522] [00000000] *pgd=00000000 # [ 83.200929] Internal error: Oops: 80000005 [#9] SMP ARM # [ 83.209231] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.238526] CPU: 0 PID: 2150 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 83.246533] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.253331] PC is at 0x0 # [ 83.256142] LR is at execute_location+0xa4/0xb4 # [ 83.260939] pc : [<00000000>] lr : [] psr: 600e0013 # [ 83.267471] sp : c4793e38 ip : 00000027 fp : c4793e54 # [ 83.272962] r10: 0000000a r9 : c1acc91c r8 : c15e88e4 # [ 83.278453] r7 : c4793f60 r6 : 00000000 r5 : 00000000 r4 : c0c35ff0 # [ 83.285247] r3 : ba263db6 r2 : ba263db6 r1 : ef7815e4 r0 : 0000002b # [ 83.292042] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.299442] Control: 10c5387d Table: 1697c04a DAC: 00000051 # [ 83.305455] Process cat (pid: 2150, stack limit = 0x7a69a420) # [ 83.311468] Stack: (0xc4793e38 to 0xc4794000) # [ 83.316092] 3e20: 00000025 c2c42000 # [ 83.324541] 3e40: 0000000a c4793f60 c4793e64 c4793e58 c135c594 c135c2f0 c4793e74 c4793e68 # [ 83.332987] 3e60: c0c35280 c135c580 c4793e9c c4793e78 c0c35780 c0c35260 c0c35660 c6b5e280 # [ 83.341434] 3e80: b6e66000 0000000a c537cb40 c4793f60 c4793ec4 c4793ea0 c07e17b4 c0c3566c # [ 83.349879] 3ea0: 00000000 c6b5e280 b6e66000 c2815800 c4793f60 c07e1750 c4793f5c c4793ec8 # [ 83.358326] 3ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c4792000 # [ 83.366773] 3ee0: b6e66000 00020000 00000004 0000000a 0001fff6 c4793ee0 00000001 b6e65000 # [ 83.375218] 3f00: c4188dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.383665] 3f20: 00000000 00000000 c1371b80 ba263db6 c205c880 c6b5e280 c6b5e280 c4792000 # [ 83.392113] 3f40: b6e66000 00000000 00000000 00000004 c4793f94 c4793f60 c0599bb0 c059951c # [ 83.400560] 3f60: 00000000 00000000 c4793fac ba263db6 0000000a 0000000a b6fade00 00000004 # [ 83.409006] 3f80: c03002e4 c4792000 c4793fa4 c4793f98 c0599c40 c0599b48 00000000 c4793fa8 # [ 83.417453] 3fa0: c03000c0 c0599c34 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 # [ 83.425899] 3fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 becc4a64 # [ 83.434346] 3fe0: 00000004 becc4798 b6f184cf b6e9e7e6 800e0030 00000001 00000000 00000000 # [ 83.442785] Backtrace: # [ 83.445513] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 83.453961] r7:c4793f60 r6:0000000a r5:c2c42000 r4:00000025 # [ 83.459895] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.468257] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.476537] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.484724] r9:c4793f60 r8:c537cb40 r7:0000000a r6:b6e66000 r5:c6b5e280 r4:c0c35660 # [ 83.492741] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 83.500840] r9:c07e1750 r8:c4793f60 r7:c2815800 r6:b6e66000 r5:c6b5e280 r4:00000000 # [ 83.508853] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.516257] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c4792000 r5:<6>[ 84.050603] lkdtm: Performing direct entry ACCESS_USERSPACE c6b5e280 # [ 83.524352] r4:c6<6>[ 84.057806] lkdtm: attempting bad read at b6f32000 b5e280 # [ 83.527157] [[ 84.065738] 8<--- cut here --- <1>[ 84.071821] Unhandled fault: page domain fault (0x01b) at 0xb6f32000 3c>] (ksys_write) fm[ [ < c4.078450] pgd = e08fcf36 0599c40>] (sys_write<+10>x[1 8 / 84.083584] [b6f32000] *pgd=4953d831 x1c) # [ 83.534563]< 0 >r[9 : 84.089684] Internal error: : 1b [#10] SMP ARM 4792000 r8:c03002e4 r7:00000004 r<4>[ 84.096726] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 6:b6fade00 r5:0000000a :[0 0 84.128693] CPU: 1 PID: 2226 Comm: cat Tainted: G D W 5.10.168-cip27 #1 00000a # [ < 4 >8[3 . 5 48245.8139034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] [] (sys_write) f[ 84.147743] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [] (ret_fast_syscall+<4>[ 84.155835] LR is at __irq_work_queue_local+0x40/0x74 x0/0x28) # <[4 > [ 8 3 .8545.0163911] pc : [] lr : [] psr: 600e0013 15] Exception< 4s>t[a c k (804x.c72348] sp : c6da5e38 ip : c6da5d40 fp : c6da5e64 4793fa8 to 0x7[9 3 f8f40.)179743] r10: 00000011 r9 : c1acc928 r8 : c15e88e4 # [ 83.5557<344>][ 3 f a804:.187139] r7 : c6da5f60 r6 : 00000051 r5 : c6da4000 r4 : b6f32000 < 4 > [ 8040.0105920] r3 : 99765462 r2 : 99765462 r1 : ef7965e0 r0 : 00000026 000a 0000000a 00<040>0[0 0 1 8b4.204535] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e66000 0000<040>0[a 0 0804.02014010] Control: 10c5387d Table: 16f3804a DAC: 00000051 00 # [ 83.56417<90]> [3 f c 084.221840] Process cat (pid: 2226, stack limit = 0xe2abc3a3) 0000000a< 00>0[0 0 0 0804a. 2b36012] Stack: (0xc6da5e38 to 0xc6da6000) fade00 00000004 0000<000>0[1 0 84.236371] 5e20: 00000022 00000000 000000 00020000 becc<40a>6[4 84.247066] 5e40: 00000000 99765462 c6da5e6c 00000026 c4022000 00000011 c6da5e74 c6da5e68 [ 83.572623] 3fe0<:0 >0[0 0 0 84.257759] 5e60: c0c35280 c0c36160 c6da5e9c c6da5e78 c0c35780 c0c35260 c0c35660 c439aa00 004 becc4798 b6f184cb[6 e 9 84.268453] 5e80: b6dec000 00000011 c537cb40 c6da5f60 c6da5ec4 c6da5ea0 c07e17b4 c0c3566c 7e6 # [ 83.57794<60]> [C o d e4.279146] 5ea0: 00000000 c439aa00 b6dec000 c2815800 c6da5f60 c07e1750 c6da5f5c c6da5ec8 : bad PC value #< 0[> [ 8 38..289752] 5ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c41a2424 c0599bb0 c6da4000 581334] ---[ end tc[e 8 484.300272] 5ee0: b6dec000 00020000 00000004 00000011 0001ffef c6da5ee0 00000001 00000805 526dc4fddb706 ]---< 0 >#[ E X8E.310878] 5f00: c4189cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 C_NULL: missing 'ca [t r a c4.321400] 5f20: 00000000 00000000 c6da4000 99765462 b6deb000 c439aa00 c439aa00 c6da4000 e:': [FAIL] not o3[6 s e84.332005] 5f40: b6dec000 00000000 00000000 00000004 c6da5f94 c6da5f60 c0599bb0 c059951c ftests: lkdtm: EXEN[U L L .84.342612] 5f60: 00000000 00000000 c6da5fac 99765462 00000011 00000011 b6f33e00 00000004 h # exit=1 # sele[s t s :8 .353219] 5f80: c03002e4 c6da4000 c6da5fa4 c6da5f98 c0599c40 c0599b48 00000000 c6da5fa8 lkdtm: ACCESS_USERS[C E . s84.363739] 5fa0: c03000c0 c0599c34 00000011 00000011 00000001 b6dec000 00000011 00000000 <0>[ 84.374345] 5fc0: 00000011 00000011 b6f33e00 00000004 00000001 00000000 00020000 bed55a64 <0>[ 84.382956] 5fe0: 00000004 bed55798 b6e9e4cf b6e247e6 800e0030 00000001 00000000 00000000 <0>[ 84.391398] Backtrace: <0>[ 84.394130] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.403103] r6:00000011 r5:c4022000 r4:00000026 <0>[ 84.407997] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.416280] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.424472] r9:c6da5f60 r8:c537cb40 r7:00000011 r6:b6dec000 r5:c439aa00 r4:c0c35660 <0>[ 84.432498] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 84.440602] r9:c07e1750 r8:c6da5f60 r7:c2815800 r6:b6dec000 r5:c439aa00 r4:00000000 <0>[ 84.448620] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.456031] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c6da4000 r5:c439aa00 <0>[ 84.464128] r4:c439aa00 <0>[ 84.466935] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.474343] r9:c6da4000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:00000011 r4:00000011 <0>[ 84.482362] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.490200] Exception stack(0xc6da5fa8 to 0xc6da5ff0) <0>[ 84.495525] 5fa0: 00000011 00000011 00000001 b6dec000 00000011 00000000 <0>[ 84.503975] 5fc0: 00000011 00000011 b6f33e00 00000004 00000001 00000000 00020000 bed55a64 <0>[ 84.512424] 5fe0: 00000004 bed55798 b6e9e4cf b6e247e6 <0>[ 84.517750] Code: e1a01004 e30d084c e34c01ac eb1c6cd8 (e5943000) <4>[ 84.524117] ---[ end trace 847526dc4fddb707 ]--- # Segmentation fault # [ 84.050603] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 84.057806] lkdtm: attempting bad read at b6f32000 # [ 84.065738] 8<--- cut here --- # [ 84.071821] Unhandled fault: page domain fault (0x01b) at 0xb6f32000 # [ 84.078450] pgd = e08fcf36 # [ 84.083584] [b6f32000] *pgd=4953d831 # [ 84.089684] Internal error: : 1b [#10] SMP ARM # [ 84.096726] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.128693] CPU: 1 PID: 2226 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 84.139034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.147743] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 84.155835] LR is at __irq_work_queue_local+0x40/0x74 # [ 84.163911] pc : [] lr : [] psr: 600e0013 # [ 84.172348] sp : c6da5e38 ip : c6da5d40 fp : c6da5e64 # [ 84.179743] r10: 00000011 r9 : c1acc928 r8 : c15e88e4 # [ 84.187139] r7 : c6da5f60 r6 : 00000051 r5 : c6da4000 r4 : b6f32000 # [ 84.195920] r3 : 99765462 r2 : 99765462 r1 : ef7965e0 r0 : 00000026 # [ 84.204535] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.214010] Control: 10c5387d Table: 16f3804a DAC: 00000051 # [ 84.221840] Process cat (pid: 2226, stack limit = 0xe2abc3a3) # [ 84.230012] Stack: (0xc6da5e38 to 0xc6da6000) # [ 84.236371] 5e20: 00000022 00000000 # [ 84.247066] 5e40: 00000000 99765462 c6da5e6c 00000026 c4022000 00000011 c6da5e74 c6da5e68 # [ 84.257759] 5e60: c0c35280 c0c36160 c6da5e9c c6da5e78 c0c35780 c0c35260 c0c35660 c439aa00 # [ 84.268453] 5e80: b6dec000 00000011 c537cb40 c6da5f60 c6da5ec4 c6da5ea0 c07e17b4 c0c3566c # [ 84.279146] 5ea0: 00000000 c439aa00 b6dec000 c2815800 c6da5f60 c07e1750 c6da5f5c c6da5ec8 # [ 84.289752] 5ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c41a2424 c0599bb0 c6da4000 # [ 84.300272] 5ee0: b6dec000 00020000 00000004 00000011 0001ffef c6da5ee0 00000001 00000805 # [ 84.310878] 5f00: c4189cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.321400] 5f20: 00000000 00000000 c6da4000 99765462 b6deb000 c439aa00 c439aa00 c6da4000 # [ 84.332005] 5f40: b6dec000 00000000 00000000 00000004 c6da5f94 c6da5f60 c0599bb0 c059951c # [ 84.342612] 5f60: 00000000 00000000 c6da5fac 99765462 00000011 00000011 b6f33e00 00000004 # [ 84.353219] 5f80: c03002e4 c6da4000 c6da5fa4 c6da5f98 c0599c40 c0599b48 00000000 c6da5fa8 # [ 84.363739] 5fa0: c03000c0 c0599c34 00000011 00000011 00000001 b6dec000 00000011 00000000 # [ 84.374345] 5fc0: 00000011 00000011 b6f33e00 00000004 00000001 00000000 00020000 bed55a64 # [ 84.382956] 5fe0: 00000004 bed55798 b6e9e4cf b6e247e6 800e0030 00000001 00000000 00000000 # [ 84.391398] Backtrace: # [ 84.394130] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.403103] r6:00000011 r5:c4022000 r4:00000026 # [ 84.407997] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.416280] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.424472] r9:c6da5f60 r8:c537cb40 r7:00000011 r6:b6dec000 r5:c439aa00 r4:c0c35660 # [ 84.432498] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 84.440602] r9:c07e1750 r8:c6da5f60 r7:c2815800 r6:b6dec<6>[ 84.993972] lkdtm: Performing direct entry ACCESS_NULL 000 r5:c439aa00 r4:00<060>0[0 0 085.001208] lkdtm: attempting bad read at 00000000 # [ 84.448620] [] (<1>[ 85.008602] 8<--- cut here --- vfs_write) from [] (ksy<1>[ 85.014832] Unable to handle kernel NULL pointer dereference at virtual address 00000000 s_write+0x74/0xec) # [ 84.4560<1>[ 85.026038] pgd = 9102f028 31] r10:00000004 r9:00000000 r8:<1>[ 85.031758] [00000000] *pgd=00000000 00000000 r7:b6dec000 r6:c6da4000 <0>[ 85.038532] Internal error: Oops: 5 [#11] SMP ARM r5:c439aa00 # [ 84.464128] r4<4>[ 85.046288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 :c439aa00 # [ 84<.44>6[6 9 3 55.078250] CPU: 2 PID: 2301 Comm: cat Tainted: G D W 5.10.168-cip27 #1 ] [4]> [( k s8y5s._0w8417] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) rite) from [] (sys_writ<4>[ 85.097042] PC is at lkdtm_ACCESS_NULL+0x28/0x68 e+0x18/0x1c) # [ 84.474343]< 4>[ 85.104778] LR is at __irq_work_queue_local+0x40/0x74 r9:c6da4000 r8:3[0 0 2 e845 112769] pc : [] lr : [] psr: 600e0013 r7:00000004 r<64:>b[6 f 3 38e50.021289] sp : c4793e50 ip : c4793d58 fp : c4793e64 r5:0000001<41> [r 4 : 08050.01028680] r10: 0000000c r9 : c1acc93c r8 : c15e88e4 11 # [ 84<.44>8[2 3 6 28]5 .1[5987] r7 : c4793f60 r6 : 0000000c r5 : c69c1000 r4 : 00000000 ] <(4s>y[s _ w r8i5t.e144595] r3 : b8bcecd8 r2 : b8bcecd8 r1 : ef7ab5e0 r0 : 00000026 from [>[] ( r8e5t.153292] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none fast_syscal0[x 0 /805x.21862680] Control: 10c5387d Table: 16ef004a DAC: 00000051 # [ 84.490200<]0 >E[x c e p8t.170509] Process cat (pid: 2301, stack limit = 0x7a69a420) ion stack(06[d a 5 f8a58. 1t8593] Stack: (0xc4793e50 to 0xc4794000) o 0xc6da5ff0) #< 0[> [ 8 48.5.185035] 3e40: 00000027 c69c1000 c4793e74 c4793e68 95525] 5fa0: <0 > [ 8 .195553] 3e60: c0c35280 c135c5a4 c4793e9c c4793e78 c0c35780 c0c35260 c0c35660 c6b5f900 00000011 00<000>0[0 1 1 80.206071] 3e80: b6e12000 0000000c c537cb40 c4793f60 c4793ec4 c4793ea0 c07e17b4 c0c3566c 0000001 b6dec<000>0[ 0 0 08050.016587] 3ea0: 00000000 c6b5f900 b6e12000 c2815800 c4793f60 c07e1750 c4793f5c c4793ec8 11 00000000 # [ < 0 >8[4 . 5 083.226934] 3ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c4792000 975] 5fc0: 000000<101> [0 0 0 080.237452] 3ee0: b6e12000 00020000 00000004 0000000c 0001fff4 c4793ee0 00000001 b6e11000 011 b6f33e00 0000<000>0[4 0 805.247969] 3f00: c68172c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00001 00000000< 00>0[0 2 0 08050.258486] 3f20: 00000000 00000000 c1371b80 b8bcecd8 c205c880 c6b5f900 c6b5f900 c4792000 bed55a64 # [ 8<40.>5[1 2 4 284.268920] 3f40: b6e12000 00000000 00000000 00000004 c4793f94 c4793f60 c0599bb0 c059951c ] 5fe0: 00000004 d[5 5 7 988.279438] 3f60: 00000000 00000000 c4793fac b8bcecd8 0000000c 0000000c b6f59e00 00000004 b6e9e4cf b6e247e6 < 0#> [[ 5.289956] 3f80: c03002e4 c4792000 c4793fa4 c4793f98 c0599c40 c0599b48 00000000 c4793fa8 84.517750] Code: a[0 1 0 084.300561] 3fa0: c03000c0 c0599c34 0000000c 0000000c 00000001 b6e12000 0000000c 00000000 e30d084c e34c01ac< 0e>b[1 c 6 c85.311079] 3fc0: 0000000c 0000000c b6f59e00 00000004 00000001 00000000 00020000 bec5fa64 8 (e5943000) #< 0[> [ 8 48.5.321683] 3fe0: 00000004 bec5f798 b6ec44cf b6e4a7e6 800e0030 00000001 00000000 00000000 24117] ---[ end< 0t>r[a c e 8854332196] Backtrace: 7526dc4fddb707 ]--- # ACCESS<_0U[ 85.336911] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) SERSPACE: missing< 0'>c[a l l 8 5.348028] r5:c69c1000 r4:00000027 race:': [FAIL] not [3 7 85.353948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) elftests: lkdtm: ACCESS_USEP 85.364472] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ACE.sh # exit=1 #< 0s>e[l f t e85.375157] r9:c4793f60 r8:c537cb40 r7:0000000c r6:b6e12000 r5:c6b5f900 r4:c0c35660 ts: lkdtm: ACCESS_NULL.sh <0>[ 85.385334] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 85.395757] r9:c07e1750 r8:c4793f60 r7:c2815800 r6:b6e12000 r5:c6b5f900 r4:00000000 <0>[ 85.403772] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.411178] r10:00000004 r9:00000000 r8:00000000 r7:b6e12000 r6:c4792000 r5:c6b5f900 <0>[ 85.419274] r4:c6b5f900 <0>[ 85.422079] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.429486] r9:c4792000 r8:c03002e4 r7:00000004 r6:b6f59e00 r5:0000000c r4:0000000c <0>[ 85.437499] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.445335] Exception stack(0xc4793fa8 to 0xc4793ff0) <0>[ 85.450656] 3fa0: 0000000c 0000000c 00000001 b6e12000 0000000c 00000000 <0>[ 85.459101] 3fc0: 0000000c 0000000c b6f59e00 00000004 00000001 00000000 00020000 bec5fa64 <0>[ 85.467544] 3fe0: 00000004 bec5f798 b6ec44cf b6e4a7e6 <0>[ 85.472866] Code: e30d084c e34c01ac e1a01004 ebffd402 (e5945000) <4>[ 85.479329] ---[ end trace 847526dc4fddb708 ]--- # Segmentation fault # [ 84.993972] lkdtm: Performing direct entry ACCESS_NULL # [ 85.001208] lkdtm: attempting bad read at 00000000 # [ 85.008602] 8<--- cut here --- # [ 85.014832] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 85.026038] pgd = 9102f028 # [ 85.031758] [00000000] *pgd=00000000 # [ 85.038532] Internal error: Oops: 5 [#11] SMP ARM # [ 85.046288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.078250] CPU: 2 PID: 2301 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 85.088417] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.097042] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 85.104778] LR is at __irq_work_queue_local+0x40/0x74 # [ 85.112769] pc : [] lr : [] psr: 600e0013 # [ 85.121289] sp : c4793e50 ip : c4793d58 fp : c4793e64 # [ 85.128680] r10: 0000000c r9 : c1acc93c r8 : c15e88e4 # [ 85.135987] r7 : c4793f60 r6 : 0000000c r5 : c69c1000 r4 : 00000000 # [ 85.144595] r3 : b8bcecd8 r2 : b8bcecd8 r1 : ef7ab5e0 r0 : 00000026 # [ 85.153292] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.162680] Control: 10c5387d Table: 16ef004a DAC: 00000051 # [ 85.170509] Process cat (pid: 2301, stack limit = 0x7a69a420) # [ 85.178593] Stack: (0xc4793e50 to 0xc4794000) # [ 85.185035] 3e40: 00000027 c69c1000 c4793e74 c4793e68 # [ 85.195553] 3e60: c0c35280 c135c5a4 c4793e9c c4793e78 c0c35780 c0c35260 c0c35660 c6b5f900 # [ 85.206071] 3e80: b6e12000 0000000c c537cb40 c4793f60 c4793ec4 c4793ea0 c07e17b4 c0c3566c # [ 85.216587] 3ea0: 00000000 c6b5f900 b6e12000 c2815800 c4793f60 c07e1750 c4793f5c c4793ec8 # [ 85.226934] 3ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c4792000 # [ 85.237452] 3ee0: b6e12000 00020000 00000004 0000000c 0001fff4 c4793ee0 00000001 b6e11000 # [ 85.247969] 3f00: c68172c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.258486] 3f20: 00000000 00000000 c1371b80 b8bcecd8 c205c880 c6b5f900 c6b5f900 c4792000 # [ 85.268920] 3f40: b6e12000 00000000 00000000 00000004 c4793f94 c4793f60 c0599bb0 c059951c # [ 85.279438] 3f60: 00000000 00000000 c4793fac b8bcecd8 0000000c 0000000c b6f59e00 00000004 # [ 85.289956] 3f80: c03002e4 c4792000 c4793fa4 c4793f98 c0599c40 c0599b48 00000000 c4793fa8 # [ 85.300561] 3fa0: c03000c0 c0599c34 0000000c 0000000c 00000001 b6e12000 0000000c 00000000 # [ 85.311079] 3fc0: 0000000c 0000000c b6f59e00 00000004 00000001 00000000 00020000 bec5fa64 # [ 85.321683] 3fe0: 00000004 bec5f798 b6ec44cf b6e4a7e6 800e0030 00000001 00000000 00000000 # [ 85.332196] Backtrace: # [ 85.336911] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.348028] r5:c69c1000 r4:00000027 # [ 85.353948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.364472] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.375157] r9:c4793f60 r8:c537cb40 r7:0000000c r6:b6e12000 r5:c6b5f900 r4:c0c35660 # [ 85.385334] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 85.395757] r9:c07e1750 r8:c4793f60 r7:c2815800 r6:b6e12000 r5:c6b5f900 r4:00000000 # [ 85.403772] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.411178] r10:00000004 r9:00000000 r8:00000000 r7:b6e12000 r6:c4792000 r5:c6b5f900 # [ 85.419274] r4:c6b5f900 # [ 85.422079] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.429486] r9:c4792000 r8:c03002e4 r7:00000004 r6:b6f59e00 r5:0000000c r4:0000000c # [ 85.437499] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.445335] Exception stack(0xc4793fa8 to 0xc<6>[ 85.925841] lkdtm: Performing direct entry WRITE_RO 4793ff0) # [ 85.450656] 3fa0: <6>[ 85.933815] lkdtm: attempting bad rodata write at c15e8b7c 0000000c 000000<1>[ 85.942498] 8<--- cut here --- <1>[ 85.948577] Unable to handle kernel paging request at virtual address c15e8b7c <1>[ 85.956080] pgd = ed8db103 <1>[ 85.959071] [c15e8b7c] *pgd=1141941e(bad) <0>[ 85.963400] Internal error: Oops: 80d [#12] SMP ARM <4>[ 85.968564] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 85.998115] CPU: 0 PID: 2375 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 86.006143] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.012980] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 86.017642] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 86.022983] pc : [] lr : [] psr: 600e0013 <4>[ 86.029533] sp : c6a77e50 ip : c6a77d58 fp : c6a77e64 <4>[ 86.035041] r10: 00000009 r9 : c1acc948 r8 : c15e88e4 <4>[ 86.040552] r7 : c6a77f60 r6 : 00000009 r5 : c2c44000 r4 : c15e8b7c <4>[ 86.047364] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acd74c <4>[ 86.054179] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 86.061599] Control: 10c5387d Table: 15ef404a DAC: 00000051 <0>[ 86.067633] Process cat (pid: 2375, stack limit = 0x9557ada2) <0>[ 86.073663] Stack: (0xc6a77e50 to 0xc6a78000) <0>[ 86.078311] 7e40: 00000028 c2c44000 c6a77e74 c6a77e68 <0>[ 86.086784] 7e60: c0c35280 c135c3a4 c6a77e9c c6a77e78 c0c35780 c0c35260 c0c35660 c6a072c0 <0>[ 86.095254] 7e80: b6e53000 00000009 c537cb40 c6a77f60 c6a77ec4 c6a77ea0 c07e17b4 c0c3566c <0>[ 86.103724] 7ea0: 00000000 c6a072c0 b6e53000 c2815800 c6a77f60 c07e1750 c6a77f5c c6a77ec8 <0>[ 86.112194] 7ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c6a76000 <0>[ 86.120664] 7ee0: b6e53000 00020000 00000004 00000009 0001fff7 c6a77ee0 00000001 b6e52000 <0>[ 86.129132] 7f00: c4188500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 86.137600] 7f20: 00000000 00000000 c1371b80 d31a089d c205c880 c6a072c0 c6a072c0 c6a76000 <0>[ 86.146069] 7f40: b6e53000 00000000 00000000 00000004 c6a77f94 c6a77f60 c0599bb0 c059951c <0>[ 86.154539] 7f60: 00000000 00000000 c6a77fac d31a089d 00000009 00000009 b6f9ae00 00000004 <0>[ 86.163008] 7f80: c03002e4 c6a76000 c6a77fa4 c6a77f98 c0599c40 c0599b48 00000000 c6a77fa8 <0>[ 86.171477] 7fa0: c03000c0 c0599c34 00000009 00000009 00000001 b6e53000 00000009 00000000 <0>[ 86.179947] 7fc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 bebcca64 <0>[ 86.188416] 7fe0: 00000004 bebcc798 b6f054cf b6e8b7e6 800e0030 00000001 00000000 00000000 <0>[ 86.196871] Backtrace: <0>[ 86.199640] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 86.207935] r5:c2c44000 r4:00000028 <0>[ 86.211809] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 86.220117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 86.228331] r9:c6a77f60 r8:c537cb40 r7:00000009 r6:b6e53000 r5:c6a072c0 r4:c0c35660 <0>[ 86.236379] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 86.244503] r9:c07e1750 r8:c6a77f60 r7:c2815800 r6:b6e53000 r5:c6a072c0 r4:00000000 <0>[ 86.252541] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 86.259971] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6a76000 r5:c6a072c0 <0>[ 86.268082] r4:c6a072c0 <0>[ 86.270913] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 86.278342] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000009 r4:00000009 <0>[ 86.286384] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 86.294237] Exception stack(0xc6a77fa8 to 0xc6a77ff0) <0>[ 86.299582] 7fa0: 00000009 00000009 00000001 b6e53000 00000009 00000000 <0>[ 86.308052] 7fc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 bebcca64 <0>[ 86.316516] 7fe0: 00000004 bebcc798 b6f054cf b6e8b7e6 <0>[ 86.321863] Code: e34a3bcd e30d074c e34c01ac e0233002 (e5843000) <4>[ 86.328252] ---[ end trace 847526dc4fddb709 ]--- 0c 00000001 b6e12000 0000000c 00000000 # [ 85.459101] 3fc0: 0000000c 0000000c b6f59e00 00000004 00000001 00000000 00020000 bec5fa64 # [ 85.467544] 3fe0: 00000004 bec5f798 b6ec44cf b6e4a7e6 # [ 85.472866] Code: e30d084c e34c01ac e1a01004 ebffd402 (e5945000) # [ 85.479329] ---[ end trace 847526dc4fddb708 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 85.925841] lkdtm: Performing direct entry WRITE_RO # [ 85.933815] lkdtm: attempting bad rodata write at c15e8b7c # [ 85.942498] 8<--- cut here --- # [ 85.948577] Unable to handle kernel paging request at virtual address c15e8b7c # [ 85.956080] pgd = ed8db103 # [ 85.959071] [c15e8b7c] *pgd=1141941e(bad) # [ 85.963400] Internal error: Oops: 80d [#12] SMP ARM # [ 85.968564] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.998115] CPU: 0 PID: 2375 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 86.006143] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.012980] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 86.017642] LR is at __irq_work_queue_local+0x40/0x74 # [ 86.022983] pc : [] lr : [] psr: 600e0013 # [ 86.029533] sp : c6a77e50 ip : c6a77d58 fp : c6a77e64 # [ 86.035041] r10: 00000009 r9 : c1acc948 r8 : c15e88e4 # [ 86.040552] r7 : c6a77f60 r6 : 00000009 r5 : c2c44000 r4 : c15e8b7c # [ 86.047364] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acd74c # [ 86.054179] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.061599] Control: 10c5387d Table: 15ef404a DAC: 00000051 # [ 86.067633] Process cat (pid: 2375, stack limit = 0x9557ada2) # [ 86.073663] Stack: (0xc6a77e50 to 0xc6a78000) # [ 86.078311] 7e40: 00000028 c2c44000 c6a77e74 c6a77e68 # [ 86.086784] 7e60: c0c35280 c135c3a4 c6a77e9c c6a77e78 c0c35780 c0c35260 c0c35660 c6a072c0 # [ 86.095254] 7e80: b6e53000 00000009 c537cb40 c6a77f60 c6a77ec4 c6a77ea0 c07e17b4 c0c3566c # [ 86.103724] 7ea0: 00000000 c6a072c0 b6e53000 c2815800 c6a77f60 c07e1750 c6a77f5c c6a77ec8 # [ 86.112194] 7ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c6a76000 # [ 86.120664] 7ee0: b6e53000 00020000 00000004 00000009 0001fff7 c6a77ee0 00000001 b6e52000 # [ 86.129132] 7f00: c4188500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 86.137600] 7f20: 00000000 00000000 c1371b80 d31a089d c205c880 c6a072c0 c6a072c0 c6a76000 # [ 86.146069] 7f40: b6e53000 00000000 00000000 00000004 c6a77f94 c6a77f60 c0599bb0 c059951c # [ 86.154539] 7f60: 00000000 00000000 c6a77fac d31a089d 00000009 00000009 b6f9ae00 00000004 # [ 86.163008] 7f80: c03002e4 c6a76000 c6a77fa4 c6a77f98 c0599c40 c0599b48 00000000 c6a77fa8 # [ 86.171477] 7fa0: c03000c0 c0599c34 00000009 00000009 00000001 b6e53000 00000009 00000000 # [ 86.179947] 7fc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 bebcca64 # [ 86.188416] 7fe0: 00000004 bebcc798 b6f054cf b6e8b7e6 800e0030 00000001 00000000 00000000 # [ 86.196871] Backtrace: # [ 86.199640] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.207935] r5:c2c44000 r4:00000028 # [ 86.211809] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.220117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.228331] r9:c6a77f60 r8:c537cb40 r7:00000009 r6:b6e53000 r5:c6a072c0 r4:c0c35660 # [ 86.236379] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 86.244503] r9:c07e1750 r8:c6a77f60 r7:c2815800 r6:b6e53000 r5:c6a072c0 r4:00000000 # [ 86.252541] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.259971] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6a76000 r5:c6a072c0 # [ 86.268082] r4:c6a072c0 # [ 86.270913] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.278342] r9:c6a76000 r8:c03002e4 r7:00000004 <6>[ 86.776699] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT r6:b6f9ae00 r5:00000009 r4:000000<6>[ 86.785348] lkdtm: attempting bad ro_after_init write at c1b7ec60 09 # [ 86.286384] []<1>[ 86.794593] 8<--- cut here --- (sys_write) from [<3[0 0 0 86.800661] Unable to handle kernel paging request at virtual address c1b7ec60 0>] (ret_fast_syscal0[x 0 / 86.810396] pgd = a9bf290b x28) # [ 86.294237] Exceptio[ 86.815613] [c1b7ec60] *pgd=11a1941e(bad) stack(0xc6a77fa8 to 0xc<60a>7[7 86.822575] Internal error: Oops: 80d [#13] SMP ARM f0) # [ 86.299582] 7fa0: <4>[ 86.830136] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 00000009 0<040>0[0 0 86.862094] CPU: 1 PID: 2450 Comm: cat Tainted: G D W 5.10.168-cip27 #1 09 00000001 b6e<45>3[0 0 0 8060.872430] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00009 00000000 # [ 86.308052] <4>[ 86.881225] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 7fc0: 00000009 00000009 b6f9ae00 <4>[ 86.889655] LR is at __irq_work_queue_local+0x40/0x74 00000004 00000001< 40>0[0 0 0806.897814] pc : [] lr : [] psr: 600e0013 0 00020000 bebc6[4 #8 6[906417] sp : c5fe9e50 ip : c5fe9d58 fp : c5fe9e64 86.316516] 70[: 0 08060913894] r10: 00000014 r9 : c1acc954 r8 : c15e88e4 0004 bebcc798 b6f<045>4[c f b86.921372] r7 : c5fe9f60 r6 : 00000014 r5 : c4022000 r4 : c1b7ec60 e8b7e6 # [ 86.<342>[1 8 6 38]6.930236] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1acd74c Code: e34a3bcd e307[4 c e86.939102] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 4c01ac e023300<24 >([e 5 8 48360.948662] Control: 10c5387d Table: 16da004a DAC: 00000051 0) # [ 86.32<802>5[2 ] -8-6.956660] Process cat (pid: 2450, stack limit = 0x7d40d269) [ end trace 8475<206>d[c 4 f d8d6.964744] Stack: (0xc5fe9e50 to 0xc5fea000) 709 ]--- # WRITE_RO:< 0m>i[s s i86.971442] 9e40: 00000029 c4022000 c5fe9e74 c5fe9e68 ng 'call trace:': [FAI [ n 86.982132] 9e60: c0c35280 c135c3f4 c5fe9e9c c5fe9e78 c0c35780 c0c35260 c0c35660 c6b5e140 t ok 39 selftests: lkdtm<:0 >W[R 86.992908] 9e80: b6e80000 00000014 c537cb40 c5fe9f60 c5fe9ec4 c5fe9ea0 c07e17b4 c0c3566c TE_RO.sh # exit=1 # l[f t e87.003769] 9ea0: 00000000 c6b5e140 b6e80000 c2815800 c5fe9f60 c07e1750 c5fe9f5c c5fe9ec8 sts: lkdtm: WRITE_RO_AE[R _ 87.014459] 9ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c5fe8000 NIT.sh <0>[ 87.025233] 9ee0: b6e80000 00020000 00000004 00000014 0001ffec c5fe9ee0 00000001 b6e7f000 <0>[ 87.034358] 9f00: c68177c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 87.042803] 9f20: 00000000 00000000 c1371b80 c8718f07 c205c880 c6b5e140 c6b5e140 c5fe8000 <0>[ 87.051251] 9f40: b6e80000 00000000 00000000 00000004 c5fe9f94 c5fe9f60 c0599bb0 c059951c <0>[ 87.059696] 9f60: 00000000 00000000 c5fe9fac c8718f07 00000014 00000014 b6fc7e00 00000004 <0>[ 87.068143] 9f80: c03002e4 c5fe8000 c5fe9fa4 c5fe9f98 c0599c40 c0599b48 00000000 c5fe9fa8 <0>[ 87.076590] 9fa0: c03000c0 c0599c34 00000014 00000014 00000001 b6e80000 00000014 00000000 <0>[ 87.085037] 9fc0: 00000014 00000014 b6fc7e00 00000004 00000001 00000000 00020000 bec36a64 <0>[ 87.093483] 9fe0: 00000004 bec36798 b6f324cf b6eb87e6 800e0030 00000001 00000000 00000000 <0>[ 87.101923] Backtrace: <0>[ 87.104655] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 87.113881] r5:c4022000 r4:00000029 <0>[ 87.117727] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 87.126007] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 87.134193] r9:c5fe9f60 r8:c537cb40 r7:00000014 r6:b6e80000 r5:c6b5e140 r4:c0c35660 <0>[ 87.142212] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 87.150313] r9:c07e1750 r8:c5fe9f60 r7:c2815800 r6:b6e80000 r5:c6b5e140 r4:00000000 <0>[ 87.158326] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 87.165732] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c5fe8000 r5:c6b5e140 <0>[ 87.173826] r4:c6b5e140 <0>[ 87.176631] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 87.184038] r9:c5fe8000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000014 r4:00000014 <0>[ 87.192055] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 87.199891] Exception stack(0xc5fe9fa8 to 0xc5fe9ff0) <0>[ 87.205213] 9fa0: 00000014 00000014 00000001 b6e80000 00000014 00000000 <0>[ 87.213657] 9fc0: 00000014 00000014 b6fc7e00 00000004 00000001 00000000 00020000 bec36a64 <0>[ 87.222102] 9fe0: 00000004 bec36798 b6f324cf b6eb87e6 <0>[ 87.227423] Code: e34a3bcd e30d074c e34c01ac e0233002 (e5843000) <4>[ 87.233787] ---[ end trace 847526dc4fddb70a ]--- # Segmentation fault # [ 86.776699] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 86.785348] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 86.794593] 8<--- cut here --- # [ 86.800661] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 86.810396] pgd = a9bf290b # [ 86.815613] [c1b7ec60] *pgd=11a1941e(bad) # [ 86.822575] Internal error: Oops: 80d [#13] SMP ARM # [ 86.830136] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.862094] CPU: 1 PID: 2450 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 86.872430] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.881225] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 86.889655] LR is at __irq_work_queue_local+0x40/0x74 # [ 86.897814] pc : [] lr : [] psr: 600e0013 # [ 86.906417] sp : c5fe9e50 ip : c5fe9d58 fp : c5fe9e64 # [ 86.913894] r10: 00000014 r9 : c1acc954 r8 : c15e88e4 # [ 86.921372] r7 : c5fe9f60 r6 : 00000014 r5 : c4022000 r4 : c1b7ec60 # [ 86.930236] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1acd74c # [ 86.939102] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.948662] Control: 10c5387d Table: 16da004a DAC: 00000051 # [ 86.956660] Process cat (pid: 2450, stack limit = 0x7d40d269) # [ 86.964744] Stack: (0xc5fe9e50 to 0xc5fea000) # [ 86.971442] 9e40: 00000029 c4022000 c5fe9e74 c5fe9e68 # [ 86.982132] 9e60: c0c35280 c135c3f4 c5fe9e9c c5fe9e78 c0c35780 c0c35260 c0c35660 c6b5e140 # [ 86.992908] 9e80: b6e80000 00000014 c537cb40 c5fe9f60 c5fe9ec4 c5fe9ea0 c07e17b4 c0c3566c # [ 87.003769] 9ea0: 00000000 c6b5e140 b6e80000 c2815800 c5fe9f60 c07e1750 c5fe9f5c c5fe9ec8 # [ 87.014459] 9ec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c5fe8000 # [ 87.025233] 9ee0: b6e80000 00020000 00000004 00000014 0001ffec c5fe9ee0 00000001 b6e7f000 # [ 87.034358] 9f00: c68177c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.042803] 9f20: 00000000 00000000 c1371b80 c8718f07 c205c880 c6b5e140 c6b5e140 c5fe8000 # [ 87.051251] 9f40: b6e80000 00000000 00000000 00000004 c5fe9f94 c5fe9f60 c0599bb0 c059951c # [ 87.059696] 9f60: 00000000 00000000 c5fe9fac c8718f07 00000014 00000014 b6fc7e00 00000004 # [ 87.068143] 9f80: c03002e4 c5fe8000 c5fe9fa4 c5fe9f98 c0599c40 c0599b48 00000000 c5fe9fa8 # [ 87.076590] 9fa0: c03000c0 c0599c34 00000014 00000014 00000001 b6e80000 00000014 00000000 # [ 87.085037] 9fc0: 00000014 00000014 b6fc7e00 00000004 00000001 00000000 00020000 bec36a64 # [ 87.093483] 9fe0: 00000004 bec36798 b6f324cf b6eb87e6 800e0030 00000001 00000000 00000000 # [ 87.101923] Backtrace: # [ 87.104655] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.113881] r5:c4022000 r4:00000029 # [ 87.117727] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.126007] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.134193] r9:c5fe9f60 r8:c537cb40 r7:00000014 r6:b6e80000 r5:c6b5e140 r4:c0c35660 # [ 87.142212] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 87.150313] r9:c07e1750 r8:c5fe9f60 r7:c2815800 r6:b6e80000 r5:c6b5e140 r4:00000000 # [ 87.158326] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.165732] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c5fe8000 r5:c6b5e140 # [ 87.173826] r4:c6b5e140 # [ 87.176631] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.184038] r9:c5fe8000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000014 r4:00000014 # [ 87.192055] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.199891] Exception stack(0xc5fe9fa8 to 0xc5fe9ff0) # [ 87.205213] 9fa0: 00000014 00000014 00000001 b6e80000 00000014 00000000 # [ 87.213657] 9f<6>[ 87.713171] lkdtm: Performing direct entry WRITE_KERN c0: 00000014 00000014 b6fc7e00 00<6>[ 87.718861] lkdtm: attempting bad 7496400 byte write at c135c2c0 000004 00000001 00000000 00020000<1>[ 87.728061] 8<--- cut here --- <1>[ 87.734186] Unable to handle kernel paging request at virtual address c135c2c0 <1>[ 87.741697] pgd = 937231a3 <1>[ 87.744691] [c135c2c0] *pgd=1121940e(bad) <0>[ 87.749019] Internal error: Oops: 80d [#14] SMP ARM <4>[ 87.754182] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 87.783725] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 87.791750] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.798577] PC is at memcpy+0x50/0x330 <4>[ 87.802614] LR is at 0xe92dd830 <4>[ 87.806044] pc : [] lr : [] psr: 200e0013 <4>[ 87.812595] sp : c5fede2c ip : e1a0c00d fp : c5fede64 <4>[ 87.818102] r10: 0000000b r9 : c1acc968 r8 : e89da800 <4>[ 87.823611] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 87.830422] r3 : e1a0c00d r2 : 00726230 r1 : c0c36010 r0 : c135c2c0 <4>[ 87.837237] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 87.844656] Control: 10c5387d Table: 1697c04a DAC: 00000051 <0>[ 87.850688] Process cat (pid: 2524, stack limit = 0x6a637159) <0>[ 87.856717] Stack: (0xc5fede2c to 0xc5fee000) <0>[ 87.861366] de20: c0c35ff0 007262d0 c5fedf60 c15e88e4 c135c2c0 <0>[ 87.869838] de40: c135c2c0 c135c4a4 0000002a c6957000 0000000b c5fedf60 c5fede74 c5fede68 <0>[ 87.878307] de60: c0c35280 c135c464 c5fede9c c5fede78 c0c35780 c0c35260 c0c35660 c41b57c0 <0>[ 87.886779] de80: b6ea4000 0000000b c537cb40 c5fedf60 c5fedec4 c5fedea0 c07e17b4 c0c3566c <0>[ 87.895250] dea0: 00000000 c41b57c0 b6ea4000 c2815800 c5fedf60 c07e1750 c5fedf5c c5fedec8 <0>[ 87.903721] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c5fec000 <0>[ 87.912190] dee0: b6ea4000 00020000 00000004 0000000b 0001fff5 c5fedee0 00000001 b6ea3000 <0>[ 87.920658] df00: c688de00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 87.929128] df20: 00000000 00000000 c1371b80 7443a51b c205c880 c41b57c0 c41b57c0 c5fec000 <0>[ 87.937597] df40: b6ea4000 00000000 00000000 00000004 c5fedf94 c5fedf60 c0599bb0 c059951c <0>[ 87.946066] df60: 00000000 00000000 c5fedfac 7443a51b 0000000b 0000000b b6febe00 00000004 <0>[ 87.954537] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c0599c40 c0599b48 00000000 c5fedfa8 <0>[ 87.963007] dfa0: c03000c0 c0599c34 0000000b 0000000b 00000001 b6ea4000 0000000b 00000000 <0>[ 87.971479] dfc0: 0000000b 0000000b b6febe00 00000004 00000001 00000000 00020000 beae5a64 <0>[ 87.979949] dfe0: 00000004 beae5798 b6f564cf b6edc7e6 800e0030 00000001 00000000 00000000 <0>[ 87.988404] Backtrace: <0>[ 87.991182] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 87.999653] r7:c5fedf60 r6:0000000b r5:c6957000 r4:0000002a <0>[ 88.005610] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 88.013917] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 88.022129] r9:c5fedf60 r8:c537cb40 r7:0000000b r6:b6ea4000 r5:c41b57c0 r4:c0c35660 <0>[ 88.030176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <0>[ 88.038298] r9:c07e1750 r8:c5fedf60 r7:c2815800 r6:b6ea4000 r5:c41b57c0 r4:00000000 <0>[ 88.046336] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 88.053764] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c5fec000 r5:c41b57c0 <0>[ 88.061875] r4:c41b57c0 <0>[ 88.064703] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 88.072131] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:0000000b r4:0000000b <0>[ 88.080171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 88.088024] Exception stack(0xc5fedfa8 to 0xc5fedff0) <0>[ 88.093369] dfa0: 0000000b 0000000b 00000001 b6ea4000 0000000b 00000000 <0>[ 88.101839] dfc0: 0000000b 0000000b b6febe00 00000004 00000001 00000000 00020000 beae5a64 <0>[ 88.110303] dfe0: 00000004 beae5798 b6f564cf b6edc7e6 <0>[ 88.115647] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 88.122036] ---[ end trace 847526dc4fddb70b ]--- bec36a64 # [ 87.222102] 9fe0: 00000004 bec36798 b6f324cf b6eb87e6 # [ 87.227423] Code: e34a3bcd e30d074c e34c01ac e0233002 (e5843000) # [ 87.233787] ---[ end trace 847526dc4fddb70a ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh # Segmentation fault # [ 87.713171] lkdtm: Performing direct entry WRITE_KERN # [ 87.718861] lkdtm: attempting bad 7496400 byte write at c135c2c0 # [ 87.728061] 8<--- cut here --- # [ 87.734186] Unable to handle kernel paging request at virtual address c135c2c0 # [ 87.741697] pgd = 937231a3 # [ 87.744691] [c135c2c0] *pgd=1121940e(bad) # [ 87.749019] Internal error: Oops: 80d [#14] SMP ARM # [ 87.754182] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.783725] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 87.791750] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.798577] PC is at memcpy+0x50/0x330 # [ 87.802614] LR is at 0xe92dd830 # [ 87.806044] pc : [] lr : [] psr: 200e0013 # [ 87.812595] sp : c5fede2c ip : e1a0c00d fp : c5fede64 # [ 87.818102] r10: 0000000b r9 : c1acc968 r8 : e89da800 # [ 87.823611] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 87.830422] r3 : e1a0c00d r2 : 00726230 r1 : c0c36010 r0 : c135c2c0 # [ 87.837237] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.844656] Control: 10c5387d Table: 1697c04a DAC: 00000051 # [ 87.850688] Process cat (pid: 2524, stack limit = 0x6a637159) # [ 87.856717] Stack: (0xc5fede2c to 0xc5fee000) # [ 87.861366] de20: c0c35ff0 007262d0 c5fedf60 c15e88e4 c135c2c0 # [ 87.869838] de40: c135c2c0 c135c4a4 0000002a c6957000 0000000b c5fedf60 c5fede74 c5fede68 # [ 87.878307] de60: c0c35280 c135c464 c5fede9c c5fede78 c0c35780 c0c35260 c0c35660 c41b57c0 # [ 87.886779] de80: b6ea4000 0000000b c537cb40 c5fedf60 c5fedec4 c5fedea0 c07e17b4 c0c3566c # [ 87.895250] dea0: 00000000 c41b57c0 b6ea4000 c2815800 c5fedf60 c07e1750 c5fedf5c c5fedec8 # [ 87.903721] dec0: c059961c c07e175c 00000001 00000000 c0599bb0 c1371b80 c0599bb0 c5fec000 # [ 87.912190] dee0: b6ea4000 00020000 00000004 0000000b 0001fff5 c5fedee0 00000001 b6ea3000 # [ 87.920658] df00: c688de00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.929128] df20: 00000000 00000000 c1371b80 7443a51b c205c880 c41b57c0 c41b57c0 c5fec000 # [ 87.937597] df40: b6ea4000 00000000 00000000 00000004 c5fedf94 c5fedf60 c0599bb0 c059951c # [ 87.946066] df60: 00000000 00000000 c5fedfac 7443a51b 0000000b 0000000b b6febe00 00000004 # [ 87.954537] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c0599c40 c0599b48 00000000 c5fedfa8 # [ 87.963007] dfa0: c03000c0 c0599c34 0000000b 0000000b 00000001 b6ea4000 0000000b 00000000 # [ 87.971479] dfc0: 0000000b 0000000b b6febe00 00000004 00000001 00000000 00020000 beae5a64 # [ 87.979949] dfe0: 00000004 beae5798 b6f564cf b6edc7e6 800e0030 00000001 00000000 00000000 # [ 87.988404] Backtrace: # [ 87.991182] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.999653] r7:c5fedf60 r6:0000000b r5:c6957000 r4:0000002a # [ 88.005610] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.013917] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.022129] r9:c5fedf60 r8:c537cb40 r7:0000000b r6:b6ea4000 r5:c41b57c0 r4:c0c35660 # [ 88.030176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 88.038298] r9:c07e1750 r8:c5fedf60 r7:c2815800 r6:b6ea4000 r5:c41b57c0 r4:00000000 # [ 88.046336] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.053764] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c5fec000 r5:c41b57c0 # [ 88.061875] r4:c41b57c0 # [ 88.064703] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.072131] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:0000000b r4:0000000b # [ 88.080171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.088024] Exception stack(0xc5fedfa8 to 0xc5fedff0) # [ 88.093369] dfa0: 0000000b 0000000b 00000001 b6ea4000 0000000b 00000000 # [ 88.101<6>[ 88.599951] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 839] dfc0: 0000000b 0000000b b6fe<6>[ 88.606836] lkdtm: attempting good refcount_inc() without overflow be00 00000004 00000001 00000000 0<6>[ 88.616111] lkdtm: attempting bad refcount_inc() overflow 0020000 beae5a64 # [ 88.110303<4>[ 88.624658] ------------[ cut here ]------------ ] dfe0: 00000004 beae5798 b6f564c<4>[ 88.632440] WARNING: CPU: 0 PID: 2599 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 f b6edc7e6 # [ 88.115647] Code<4>[ 88.644106] refcount_t: saturated; leaking memory. : f5d1f05c f5d1f07c e8b151f8 e252<4>[ 88.651974] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 2020 (e8a051f8) # [ 88.122036<4>[ 88.683978] CPU: 0 PID: 2599 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 88.694795] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.701591] Backtrace: <4>[ 88.704330] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.712174] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 88.718112] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.725704] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.732940] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 <4>[ 88.740959] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.748713] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c6a76000 <4>[ 88.754651] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 88.763884] r9:c1acc974 r8:c15e88e4 r7:c6a77f60 r6:00000016 r5:c69cd000 r4:c6a76000 <4>[ 88.771904] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 88.781843] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 88.792207] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.801608] r4:0000002b <4>[ 88.804416] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.812700] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.820890] r9:c6a77f60 r8:c537cb40 r7:00000016 r6:b6de5000 r5:c41b52c0 r4:c0c35660 <4>[ 88.828912] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 88.837016] r9:c07e1750 r8:c6a77f60 r7:c2815800 r6:b6de5000 r5:c41b52c0 r4:00000000 <4>[ 88.845035] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.852443] r10:00000004 r9:00000000 r8:00000000 r7:b6de5000 r6:c6a76000 r5:c41b52c0 <4>[ 88.860541] r4:c41b52c0 <4>[ 88.863348] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.870758] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f2ce00 r5:00000016 r4:00000016 <4>[ 88.878777] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.886616] Exception stack(0xc6a77fa8 to 0xc6a77ff0) <4>[ 88.891941] 7fa0: 00000016 00000016 00000001 b6de5000 00000016 00000000 <4>[ 88.900393] 7fc0: 00000016 00000016 b6f2ce00 00000004 00000001 00000000 00020000 be94ca64 <4>[ 88.908842] 7fe0: 00000004 be94c798 b6e974cf b6e1d7e6 ] ---[ end trace 847526dc4fddb70b<4>[ 88.914241] irq event stamp: 0 ]--- # WRITE_KERN: missing 'cal<4>[ 88.920428] hardirqs last enabled at (0): [<00000000>] 0x0 l trace:': [FAIL] not ok 41 self<4>[ 88.929151] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 tests: lkdtm: WRITE_KERN.sh # exi<4>[ 88.939778] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 t=1 # selftests: lkdtm: REFCOUNT<4>[ 88.950407] softirqs last disabled at (0): [<00000000>] 0x0 _INC_OVERFLOW.sh <4>[ 88.959114] ---[ end trace 847526dc4fddb70c ]--- <6>[ 88.965553] lkdtm: Overflow detected: saturated # [ 88.599951] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 88.606836] lkdtm: attempting good refcount_inc() without overflow # [ 88.616111] lkdtm: attempting bad refcount_inc() overflow # [ 88.624658] ------------[ cut here ]------------ # [ 88.632440] WARNING: CPU: 0 PID: 2599 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 88.644106] refcount_t: saturated; leaking memory. # [ 88.651974] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.683978] CPU: 0 PID: 2599 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 88.694795] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.701591] Backtrace: # [ 88.704330] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.712174] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 88.718112] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.725704] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.732940] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 # [ 88.740959] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.748713] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c6a76000 # [ 88.754651] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 88.763884] r9:c1acc974 r8:c15e88e4 r7:c6a77f60 r6:00000016 r5:c69cd000 r4:c6a76000 # [ 88.771904] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 88.781843] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 88.792207] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.801608] r4:0000002b # [ 88.804416] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.812700] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.820890] r9:c6a77f60 r8:c537cb40 r7:00000016 r6:b6de5000 r5:c41b52c0 r4:c0c35660 # [ 88.828912] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 88.837016] r9:c07e1750 r8:c6a77f60 r7:c2815800 r6:b6de5000 r5:c41b52c0 r4:00000000 # [ 88.845035] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.852443] r10:00000004 r9:00000000 r8:00000000 r7:b6de5000 r6:c6a76000 r5:c41b52c0 # [ 88.860541] r4:c41b52c0 # [ 88.863348] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.870758] r9:c6a76000 r8:c03002e4 r7:00000004 r6:b6f2ce00 r5:00000016 r4:00000016 # [ 88.878777] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.886616] Exception stack(0xc6a77fa8 to 0xc6a77ff0) # [ 88.891941] 7fa0: 00000016 00000016 00000001 b6de5000 00000016 00000000 # [ 88.900393] 7fc0: 00000016 00000016 b6f2ce00 00000004 00000001 00000000 00020000 be94ca64 # [ 88.908842] 7fe0: 00000004 be94c798 b6e974cf b6e1d7e6 # [ 88.914241] irq event stamp: 0 # [ 88.920428] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.929151] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 88.939778] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 88.950407] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.959114] ---[ end trace 847526dc4fddb70c ]--- # [ 88.965553] lkdtm: Overflow detected: sa<6>[ 89.379097] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW turated # REFCOUNT_INC_OVERFLOW:<6>[ 89.386146] lkdtm: attempting good refcount_add() without overflow missing 'call trace:': [FAIL] n<6>[ 89.395580] lkdtm: attempting bad refcount_add() overflow ot ok 42 selftests: lkdtm: REFCOU<4>[ 89.403979] ------------[ cut here ]------------ NT_INC_OVERFLOW.sh # exit=1 # se<4>[ 89.411686] WARNING: CPU: 1 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 lftests: lkdtm: REFCOUNT_ADD_OVER<4>[ 89.423272] refcount_t: saturated; leaking memory. FLOW.sh <4>[ 89.431130] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.461056] CPU: 1 PID: 2633 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 89.469068] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.475862] Backtrace: <4>[ 89.478598] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.486438] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 89.492371] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.499956] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.507187] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 <4>[ 89.515204] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.522954] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c42b0000 <4>[ 89.528888] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 89.538117] r9:c1acc98c r8:c15e88e4 r7:c42b1f60 r6:00000016 r5:c4593000 r4:c42b0000 <4>[ 89.546135] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 89.556066] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 89.566424] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.575822] r4:0000002c <4>[ 89.578627] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.586906] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.595093] r9:c42b1f60 r8:c537cb40 r7:00000016 r6:b6eaf000 r5:c4227540 r4:c0c35660 <4>[ 89.603111] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 89.611211] r9:c07e1750 r8:c42b1f60 r7:c2815800 r6:b6eaf000 r5:c4227540 r4:00000000 <4>[ 89.619223] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.626628] r10:00000004 r9:00000000 r8:00000000 r7:b6eaf000 r6:c42b0000 r5:c4227540 <4>[ 89.634721] r4:c4227540 <4>[ 89.637525] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.644930] r9:c42b0000 r8:c03002e4 r7:00000004 r6:b6ff6e00 r5:00000016 r4:00000016 <4>[ 89.652944] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.660779] Exception stack(0xc42b1fa8 to 0xc42b1ff0) <4>[ 89.666101] 1fa0: 00000016 00000016 00000001 b6eaf000 00000016 00000000 <4>[ 89.674548] 1fc0: 00000016 00000016 b6ff6e00 00000004 00000001 00000000 00020000 be8e8a64 <4>[ 89.682993] 1fe0: 00000004 be8e8798 b6f614cf b6ee77e6 <4>[ 89.688365] irq event stamp: 0 <4>[ 89.691699] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.697582] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 89.705394] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 89.713189] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.719041] ---[ end trace 847526dc4fddb70d ]--- <6>[ 89.723956] lkdtm: Overflow detected: saturated # [ 89.379097] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 89.386146] lkdtm: attempting good refcount_add() without overflow # [ 89.395580] lkdtm: attempting bad refcount_add() overflow # [ 89.403979] ------------[ cut here ]------------ # [ 89.411686] WARNING: CPU: 1 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 89.423272] refcount_t: saturated; leaking memory. # [ 89.431130] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.461056] CPU: 1 PID: 2633 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 89.469068] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.475862] Backtrace: # [ 89.478598] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.486438] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 89.492371] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.499956] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.507187] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 # [ 89.515204] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.522954] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c42b0000 # [ 89.528888] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 89.538117] r9:c1acc98c r8:c15e88e4 r7:c42b1f60 r6:00000016 r5:c4593000 r4:c42b0000 # [ 89.546135] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 89.556066] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 89.566424] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.575822] r4:0000002c # [ 89.578627] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.586906] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.595093] r9:c42b1f60 r8:c537cb40 r7:00000016 r6:b6eaf000 r5:c4227540 r4:c0c35660 # [ 89.603111] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 89.611211] r9:c07e1750 r8:c42b1f60 r7:c2815800 r6:b6eaf000 r5:c4227540 r4:00000000 # [ 89.619223] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.626628] r10:00000004 r9:00000000 r8:00000000 r7:b6eaf000 r6:c42b0000 r5:c4227540 # [ 89.634721] r4:c4227540 # [ 89.637525] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.644930] r9:c42b0000 r8:c03002e4 r7:00000004 r6:b6ff6e00 r5:00000016 r4:00000016 # [ 89.652944] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.660779] Exception stack(0xc42b1fa8 to 0xc42b1ff0) # [ 89.666101] 1fa0: 00000016 00000016 00000001 b6eaf000 00000016 00000000 # [ 89.674548] 1fc0: 00000016 00000016 b6ff6e00 00000004 00000001 00000000 00020000 be8e8a64 # [ 89.682993] 1fe0: 00000004 be8e8798 b6f614cf b6ee77e6 # [ 89.688365] irq event stamp: 0 # [ 89.691699] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.697582] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 89.705394] softirqs last enabled at (0): [] copy_process+0<6>[ 90.116846] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW x5f8/0x1974 # [ 89.713189] sof<6>[ 90.125914] lkdtm: attempting bad refcount_inc_not_zero() overflow tirqs last disabled at (0): [<000<4>[ 90.135256] ------------[ cut here ]------------ 00000>] 0x0 # [ 89.719041] ---<4>[ 90.142972] WARNING: CPU: 3 PID: 2667 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ end trace 847526dc4fddb70d ]---<4>[ 90.154494] refcount_t: saturated; leaking memory. # [ 89.723956] lkdtm: Overflo<4>[ 90.162398] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 w detected: saturated # REFCOUNT<4>[ 90.194371] CPU: 3 PID: 2667 Comm: cat Tainted: G D W 5.10.168-cip27 #1 _ADD_OVERFL:[ m i s9s0i.n2g5193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 'call trace:': [FA][ n o0.213801] Backtrace: t ok 43 selftests: lkdtm: REFCOUN<4>[ 90.218693] [] (dump_backtrace) from [] (show_stack+0x20/0x24) T_ADD_OVERFLOW.s

#[ e x i9t0.229374] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 1 # selftests: lkdtm: F[C O 90.237380] [] (show_stack) from [] (dump_stack+0xe0/0x100) UNT_INC_NOT_ZERO_OVERFLOW. [ 90.247293] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.257023] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 <4>[ 90.265039] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.272788] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c4472000 <4>[ 90.278721] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 90.287948] r9:c1acc9a4 r8:c15e88e4 r7:c4473f60 r6:0000001f r5:c6ded000 r4:7fffffff <4>[ 90.295969] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 90.306678] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 90.318593] r5:c6ded000 r4:c4472000 <4>[ 90.322444] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.332625] r4:0000002d <4>[ 90.335430] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.343709] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.351894] r9:c4473f60 r8:c537cb40 r7:0000001f r6:b6e96000 r5:c4201a40 r4:c0c35660 <4>[ 90.359914] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 90.368013] r9:c07e1750 r8:c4473f60 r7:c2815800 r6:b6e96000 r5:c4201a40 r4:00000000 <4>[ 90.376026] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.383431] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c4472000 r5:c4201a40 <4>[ 90.391527] r4:c4201a40 <4>[ 90.394332] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.401737] r9:c4472000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f <4>[ 90.409753] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.417590] Exception stack(0xc4473fa8 to 0xc4473ff0) <4>[ 90.422913] 3fa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 <4>[ 90.431360] 3fc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 beba4a64 <4>[ 90.439805] 3fe0: 00000004 beba4798 b6f484cf b6ece7e6 <4>[ 90.445191] irq event stamp: 0 <4>[ 90.448526] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.454406] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 90.462196] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 90.469952] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.475823] ---[ end trace 847526dc4fddb70e ]--- <6>[ 90.480713] lkdtm: Overflow detected: saturated # [ 90.116846] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 90.125914] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 90.135256] ------------[ cut here ]------------ # [ 90.142972] WARNING: CPU: 3 PID: 2667 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 90.154494] refcount_t: saturated; leaking memory. # [ 90.162398] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.194371] CPU: 3 PID: 2667 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 90.205193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.213801] Backtrace: # [ 90.218693] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.229374] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 90.237380] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.247293] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.257023] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 # [ 90.265039] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.272788] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c4472000 # [ 90.278721] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 90.287948] r9:c1acc9a4 r8:c15e88e4 r7:c4473f60 r6:0000001f r5:c6ded000 r4:7fffffff # [ 90.295969] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 90.306678] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 90.318593] r5:c6ded000 r4:c4472000 # [ 90.322444] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.332625] r4:0000002d # [ 90.335430] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.343709] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.351894] r9:c4473f60 r8:c537cb40 r7:0000001f r6:b6e96000 r5:c4201a40 r4:c0c35660 # [ 90.359914] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 90.368013] r9:c07e1750 r8:c4473f60 r7:c2815800 r6:b6e96000 r5:c4201a40 r4:00000000 # [ 90.376026] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.383431] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c4472000 r5:c4201a40 # [ 90.391527] r4:c4201a40 # [ 90.394332] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.401737] r9:c4472000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f # [ 90.409753] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.417590] Exception stack(0xc4473fa8 to 0xc4473ff0) # [ 90.422913] 3fa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 # [ 90.431360] 3fc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 beba4a64 # [ 90.439805] 3fe0: 00000004 beba4798 b6f484cf b6ece7e6 # [ 90.445191] irq event stamp: 0 # [ 90.448526] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.454406] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 90.462196] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 90.469952] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.475823] ---[ end trace 847526dc4fddb70e ]--- # [ 90.480713] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERF<6>[ 90.899254] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW LOW: missing 'call trace:': [FAIL<6>[ 90.907508] lkdtm: attempting bad refcount_add_not_zero() overflow ] not ok 44 selftests: lkdtm: RE<4>[ 90.916843] ------------[ cut here ]------------ FCOUNT_INC_NOT_ZERO_OVERFLOW.sh #<4>[ 90.924583] WARNING: CPU: 3 PID: 2701 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 exit=1 # selftests: lkdtm: REFC<4>[ 90.936080] refcount_t: saturated; leaking memory. OUNT_ADD_NOT_ZERO_OVERFLOW.sh <4>[ 90.943987] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.975784] CPU: 3 PID: 2701 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 90.983796] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.990589] Backtrace: <4>[ 90.993325] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.001164] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 91.007097] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.014683] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.021915] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 <4>[ 91.029930] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.037680] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c4442000 <4>[ 91.043611] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 91.052840] r9:c1acc9c4 r8:c15e88e4 r7:c4443f60 r6:0000001f r5:c6a45000 r4:7fffffff <4>[ 91.060861] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 91.071570] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 91.083486] r5:c6a45000 r4:c4442000 <4>[ 91.087336] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.097513] r4:0000002e <4>[ 91.100318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.108596] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.116784] r9:c4443f60 r8:c537cb40 r7:0000001f r6:b6e39000 r5:c4188000 r4:c0c35660 <4>[ 91.124802] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 91.132901] r9:c07e1750 r8:c4443f60 r7:c2815800 r6:b6e39000 r5:c4188000 r4:00000000 <4>[ 91.140914] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.148320] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c4442000 r5:c4188000 <4>[ 91.156415] r4:c4188000 <4>[ 91.159218] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.166623] r9:c4442000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:0000001f r4:0000001f <4>[ 91.174638] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.182474] Exception stack(0xc4443fa8 to 0xc4443ff0) <4>[ 91.187797] 3fa0: 0000001f 0000001f 00000001 b6e39000 0000001f 00000000 <4>[ 91.196244] 3fc0: 0000001f 0000001f b6f80e00 00000004 00000001 00000000 00020000 bea19a64 <4>[ 91.204687] 3fe0: 00000004 bea19798 b6eeb4cf b6e717e6 <4>[ 91.210051] irq event stamp: 0 <4>[ 91.213405] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.219257] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.227059] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.234851] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.240700] ---[ end trace 847526dc4fddb70f ]--- <6>[ 91.245623] lkdtm: Overflow detected: saturated # [ 90.899254] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 90.907508] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 90.916843] ------------[ cut here ]------------ # [ 90.924583] WARNING: CPU: 3 PID: 2701 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 90.936080] refcount_t: saturated; leaking memory. # [ 90.943987] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.975784] CPU: 3 PID: 2701 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 90.983796] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.990589] Backtrace: # [ 90.993325] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.001164] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 91.007097] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.014683] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.021915] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 # [ 91.029930] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.037680] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c4442000 # [ 91.043611] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 91.052840] r9:c1acc9c4 r8:c15e88e4 r7:c4443f60 r6:0000001f r5:c6a45000 r4:7fffffff # [ 91.060861] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 91.071570] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 91.083486] r5:c6a45000 r4:c4442000 # [ 91.087336] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.097513] r4:0000002e # [ 91.100318] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.108596] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.116784] r9:c4443f60 r8:c537cb40 r7:0000001f r6:b6e39000 r5:c4188000 r4:c0c35660 # [ 91.124802] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.132901] r9:c07e1750 r8:c4443f60 r7:c2815800 r6:b6e39000 r5:c4188000 r4:00000000 # [ 91.140914] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.148320] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c4442000 r5:c4188000 # [ 91.156415] r4:c4188000 # [ 91.159218] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.166623] r9:c4442000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:0000001f r4:0000001f # [ 91.174638] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.182474] Exception stack(0xc4443fa8 to 0xc4443ff0) # [ 91.187797] 3fa0: 0000001f 0000001f 00000001 b6e39000 0000001f 00000000 # [ 91.196244] 3fc0: 0000001f 0000001f b6f80e00 00000004 00000001 00000000 00020000 bea19a64 # [ 91.204687] 3fe0: 00000004 bea19798 b6eeb4cf b6e717e6 # [ 91.210051] irq event stamp: 0 # [ 91.213405] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.219257] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.227059] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.234851] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.240700] ---[ end trace 847526dc4fddb70f ]--- # [ 91.245623] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]<6>[ 91.666870] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO not ok 45 selftests: lkdtm: REF<6>[ 91.675194] lkdtm: attempting good refcount_dec() COUNT_ADD_NOT_ZERO_OVERFLOW.sh # <6>[ 91.683061] lkdtm: attempting bad refcount_dec() to zero exit=1 # selftests: lkdtm: REFCO<4>[ 91.691473] ------------[ cut here ]------------ UNT_DEC_ZERO.sh <4>[ 91.699247] WARNING: CPU: 0 PID: 2735 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 91.709409] refcount_t: decrement hit 0; leaking memory. <4>[ 91.715117] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.744534] CPU: 0 PID: 2735 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 91.752545] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.759337] Backtrace: <4>[ 91.762070] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.769910] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 91.775843] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.783428] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.790660] r9:00000009 r8:c0873c18 r7:0000001f r6:00000009 r5:c0873c18 r4:c1a209f8 <4>[ 91.798675] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.806426] r7:0000001f r6:c1a209f8 r5:c1a20a5c r4:c4472000 <4>[ 91.812358] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 91.821585] r9:c1acc9e4 r8:c15e88e4 r7:c4473f60 r6:00000012 r5:c6b87000 r4:c4472000 <4>[ 91.829605] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 91.839534] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 91.849548] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.858598] r4:0000002f <4>[ 91.861402] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.869681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.877867] r9:c4473f60 r8:c537cb40 r7:00000012 r6:b6e90000 r5:c41b57c0 r4:c0c35660 <4>[ 91.885884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 91.893984] r9:c07e1750 r8:c4473f60 r7:c2815800 r6:b6e90000 r5:c41b57c0 r4:00000000 <4>[ 91.901998] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.909402] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c4472000 r5:c41b57c0 <4>[ 91.917497] r4:c41b57c0 <4>[ 91.920300] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.927705] r9:c4472000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000012 r4:00000012 <4>[ 91.935721] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.943556] Exception stack(0xc4473fa8 to 0xc4473ff0) <4>[ 91.948877] 3fa0: 00000012 00000012 00000001 b6e90000 00000012 00000000 <4>[ 91.957323] 3fc0: 00000012 00000012 b6fd7e00 00000004 00000001 00000000 00020000 befdba64 <4>[ 91.965766] 3fe0: 00000004 befdb798 b6f424cf b6ec87e6 <4>[ 91.971119] irq event stamp: 0 <4>[ 91.974477] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.980326] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.988127] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 91.995939] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.001788] ---[ end trace 847526dc4fddb710 ]--- <6>[ 92.006703] lkdtm: Zero detected: saturated # [ 91.666870] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 91.675194] lkdtm: attempting good refcount_dec() # [ 91.683061] lkdtm: attempting bad refcount_dec() to zero # [ 91.691473] ------------[ cut here ]------------ # [ 91.699247] WARNING: CPU: 0 PID: 2735 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 91.709409] refcount_t: decrement hit 0; leaking memory. # [ 91.715117] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.744534] CPU: 0 PID: 2735 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 91.752545] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.759337] Backtrace: # [ 91.762070] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.769910] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 91.775843] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.783428] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.790660] r9:00000009 r8:c0873c18 r7:0000001f r6:00000009 r5:c0873c18 r4:c1a209f8 # [ 91.798675] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.806426] r7:0000001f r6:c1a209f8 r5:c1a20a5c r4:c4472000 # [ 91.812358] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 91.821585] r9:c1acc9e4 r8:c15e88e4 r7:c4473f60 r6:00000012 r5:c6b87000 r4:c4472000 # [ 91.829605] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 91.839534] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 91.849548] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.858598] r4:0000002f # [ 91.861402] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.869681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.877867] r9:c4473f60 r8:c537cb40 r7:00000012 r6:b6e90000 r5:c41b57c0 r4:c0c35660 # [ 91.885884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.893984] r9:c07e1750 r8:c4473f60 r7:c2815800 r6:b6e90000 r5:c41b57c0 r4:00000000 # [ 91.901998] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.909402] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c4472000 r5:c41b57c0 # [ 91.917497] r4:c41b57c0 # [ 91.920300] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.927705] r9:c4472000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000012 r4:00000012 # [ 91.935721] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.943556] Exception stack(0xc4473fa8 to 0xc4473ff0) # [ 91.948877] 3fa0: 00000012 00000012 00000001 b6e90000 00000012 00000000 # [ 91.957323] 3fc0: 00000012 00000012 b6fd7e00 00000004 00000001 00000000 00020000 befdba64 # [ 91.965766] 3fe0: 00000004 befdb798 b6f424cf b6ec87e6 # [ 91.971119] irq event stamp: 0 # [ 91.974477] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.980326] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.988127] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 91.995939] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.001788] ---[ end trace 847526dc4fddb710 ]--- # [ 92.006703] 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>[ 92.458687] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 92.465112] lkdtm: attempting bad refcount_dec() below zero <4>[ 92.470964] ------------[ cut here ]------------ <4>[ 92.475928] WARNING: CPU: 2 PID: 2772 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 92.484697] refcount_t: decrement hit 0; leaking memory. <4>[ 92.490285] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.519796] CPU: 2 PID: 2772 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 92.527812] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.534608] Backtrace: <4>[ 92.537349] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.545193] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 92.551131] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.558721] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.565957] r9:00000009 r8:c0873c18 r7:0000001f r6:00000009 r5:c0873c18 r4:c1a209f8 <4>[ 92.573977] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.581732] r7:0000001f r6:c1a209f8 r5:c1a20a5c r4:c6926000 <4>[ 92.587669] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 92.596900] r9:c1acc9f8 r8:c15e88e4 r7:c6927f60 r6:00000016 r5:00000000 r4:c6926000 <4>[ 92.604924] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 92.614855] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 92.625222] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.634623] r5:c6b79000 r4:00000030 <4>[ 92.638472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.646757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.654946] r9:c6927f60 r8:c537cb40 r7:00000016 r6:b6dfa000 r5:c41f9cc0 r4:c0c35660 <4>[ 92.662970] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 92.671074] r9:c07e1750 r8:c6927f60 r7:c2815800 r6:b6dfa000 r5:c41f9cc0 r4:00000000 <4>[ 92.679090] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.686500] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c6926000 r5:c41f9cc0 <4>[ 92.694597] r4:c41f9cc0 <4>[ 92.697404] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.704814] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6f41e00 r5:00000016 r4:00000016 <4>[ 92.712834] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.720675] Exception stack(0xc6927fa8 to 0xc6927ff0) <4>[ 92.726000] 7fa0: 00000016 00000016 00000001 b6dfa000 00000016 00000000 <4>[ 92.734451] 7fc0: 00000016 00000016 b6f41e00 00000004 00000001 00000000 00020000 be96aa64 <4>[ 92.742899] 7fe0: 00000004 be96a798 b6eac4cf b6e327e6 <4>[ 92.748299] irq event stamp: 0 <4>[ 92.751639] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.757535] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 92.765367] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 92.773180] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.779033] ---[ end trace 847526dc4fddb711 ]--- <6>[ 92.783970] lkdtm: Negative detected: saturated # [ 92.458687] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 92.465112] lkdtm: attempting bad refcount_dec() below zero # [ 92.470964] ------------[ cut here ]------------ # [ 92.475928] WARNING: CPU: 2 PID: 2772 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 92.484697] refcount_t: decrement hit 0; leaking memory. # [ 92.490285] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.519796] CPU: 2 PID: 2772 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 92.527812] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.534608] Backtrace: # [ 92.537349] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.545193] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 92.551131] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.558721] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.565957] r9:00000009 r8:c0873c18 r7:0000001f r6:00000009 r5:c0873c18 r4:c1a209f8 # [ 92.573977] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.581732] r7:0000001f r6:c1a209f8 r5:c1a20a5c r4:c6926000 # [ 92.587669] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 92.596900] r9:c1acc9f8 r8:c15e88e4 r7:c6927f60 r6:00000016 r5:00000000 r4:c6926000 # [ 92.604924] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 92.614855] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 92.625222] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.634623] r5:c6b79000 r4:00000030 # [ 92.638472] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.646757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.654946] r9:c6927f60 r8:c537cb40 r7:00000016 r6:b6dfa000 r5:c41f9cc0 r4:c0c35660 # [ 92.662970] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 92.671074] r9:c07e1750 r8:c6927f60 r7:c2815800 r6:b6dfa000 r5:c41f9cc0 r4:00000000 # [ 92.679090] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.686500] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c6926000 r5:c41f9cc0 # [ 92.694597] r4:c41f9cc0 # [ 92.697404] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.704814] r9:c6926000 r8:c03002e4 r7:00000004 r6:b6f41e00 r5:00000016 r4:00000016 # [ 92.712834] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.720675] Exception stack(0xc6927fa8 to 0xc6927ff0) # [ 92.726000] 7fa0: 00000016 00000016 00000001 b6dfa000 00000016 00000000 # [ 92.734451] 7fc0: 00000016 00000016 b6f41e00 00000004 00000001 00000000 00020000 be96aa64 # [ 92.742899] 7fe0: 00000004 be96a798 b6eac4cf b6e327e6 # [ 92.748299] irq event stamp: 0 # [ 92.751639] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.757535] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 92.765367] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 92.773180] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.779033] ---[ end trace 847526dc4fddb711 ]--- # [ 92.783970] 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>[ 93.226567] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 93.233855] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 93.240512] ------------[ cut here ]------------ <4>[ 93.245461] WARNING: CPU: 3 PID: 2807 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 93.254398] refcount_t: underflow; use-after-free. <4>[ 93.259489] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.288899] CPU: 3 PID: 2807 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 93.296910] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.303703] Backtrace: <4>[ 93.306438] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.314278] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 93.320212] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.327798] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.335029] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 <4>[ 93.343045] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.350796] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c42b0000 <4>[ 93.356726] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 93.366040] r9:c1acca10 r8:c15e88e4 r7:c42b1f60 r6:0000001f r5:00000000 r4:c42b0000 <4>[ 93.374058] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 93.384771] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 93.396692] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.406872] r5:c6ded000 r4:00000031 <4>[ 93.410717] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.418994] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.427181] r9:c42b1f60 r8:c537cb40 r7:0000001f r6:b6e48000 r5:c6817540 r4:c0c35660 <4>[ 93.435201] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 93.443299] r9:c07e1750 r8:c42b1f60 r7:c2815800 r6:b6e48000 r5:c6817540 r4:00000000 <4>[ 93.451314] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.458719] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c42b0000 r5:c6817540 <4>[ 93.466812] r4:c6817540 <4>[ 93.469619] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.477024] r9:c42b0000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:0000001f r4:0000001f <4>[ 93.485039] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.492874] Exception stack(0xc42b1fa8 to 0xc42b1ff0) <4>[ 93.498195] 1fa0: 0000001f 0000001f 00000001 b6e48000 0000001f 00000000 <4>[ 93.506644] 1fc0: 0000001f 0000001f b6f8fe00 00000004 00000001 00000000 00020000 bec6ca64 <4>[ 93.515086] 1fe0: 00000004 bec6c798 b6efa4cf b6e807e6 <4>[ 93.520474] irq event stamp: 0 <4>[ 93.523830] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.529683] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 93.537496] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 93.545335] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.551185] ---[ end trace 847526dc4fddb712 ]--- <6>[ 93.556115] lkdtm: Negative detected: saturated # [ 93.226567] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 93.233855] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 93.240512] ------------[ cut here ]------------ # [ 93.245461] WARNING: CPU: 3 PID: 2807 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 93.254398] refcount_t: underflow; use-after-free. # [ 93.259489] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.288899] CPU: 3 PID: 2807 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 93.296910] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.303703] Backtrace: # [ 93.306438] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.314278] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 93.320212] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.327798] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.335029] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 # [ 93.343045] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.350796] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c42b0000 # [ 93.356726] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 93.366040] r9:c1acca10 r8:c15e88e4 r7:c42b1f60 r6:0000001f r5:00000000 r4:c42b0000 # [ 93.374058] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 93.384771] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 93.396692] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.406872] r5:c6ded000 r4:00000031 # [ 93.410717] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.418994] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.427181] r9:c42b1f60 r8:c537cb40 r7:0000001f r6:b6e48000 r5:c6817540 r4:c0c35660 # [ 93.435201] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 93.443299] r9:c07e1750 r8:c42b1f60 r7:c2815800 r6:b6e48000 r5:c6817540 r4:00000000 # [ 93.451314] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.458719] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c42b0000 r5:c6817540 # [ 93.466812] r4:c6817540 # [ 93.469619] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.477024] r9:c42b0000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:0000001f r4:0000001f # [ 93.485039] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.492874] Exception stack(0xc42b1fa8 to 0xc42b1ff0) # [ 93.498195] 1fa0: 0000001f 0000001f 00000001 b6e48000 0000001f 00000000 # [ 93.506644] 1fc0: 0000001f 0000001f b6f8fe00 00000004 00000001 00000000 00020000 bec6ca64 # [ 93.515086] 1fe0: 00000004 bec6c798 b6efa4cf b6e807e6 # [ 93.520474] irq event stamp: 0 # [ 93.523830] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.529683] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.537496] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.545335] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.551185] ---[ end trace 847526dc4fddb712 ]--- # [ 93.556115] 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>[ 93.993242] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 94.000438] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 94.007125] ------------[ cut here ]------------ <4>[ 94.012082] WARNING: CPU: 0 PID: 2842 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 94.020881] refcount_t: underflow; use-after-free. <4>[ 94.026080] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.055880] CPU: 0 PID: 2842 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 94.063891] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.070684] Backtrace: <4>[ 94.073415] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.081255] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 94.087189] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.094776] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.102007] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 <4>[ 94.110023] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.117774] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c6ebe000 <4>[ 94.123707] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 94.133023] r9:c1acca30 r8:c15e88e4 r7:c6ebff60 r6:0000001f r5:c6c54000 r4:c6ebe000 <4>[ 94.141041] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 94.151754] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 94.163677] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.173854] r4:00000032 <4>[ 94.176658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.184934] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.193120] r9:c6ebff60 r8:c537cb40 r7:0000001f r6:b6e96000 r5:c4200a00 r4:c0c35660 <4>[ 94.201137] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 94.209236] r9:c07e1750 r8:c6ebff60 r7:c2815800 r6:b6e96000 r5:c4200a00 r4:00000000 <4>[ 94.217249] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.224653] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6ebe000 r5:c4200a00 <4>[ 94.232747] r4:c4200a00 <4>[ 94.235552] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.242956] r9:c6ebe000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f <4>[ 94.250973] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.258810] Exception stack(0xc6ebffa8 to 0xc6ebfff0) <4>[ 94.264130] ffa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 <4>[ 94.272577] ffc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 befa2a64 <4>[ 94.281021] ffe0: 00000004 befa2798 b6f484cf b6ece7e6 <4>[ 94.286377] irq event stamp: 0 <4>[ 94.289710] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.295586] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 94.303378] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 94.311140] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.317013] ---[ end trace 847526dc4fddb713 ]--- <6>[ 94.321927] lkdtm: Negative detected: saturated # [ 93.993242] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 94.000438] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 94.007125] ------------[ cut here ]------------ # [ 94.012082] WARNING: CPU: 0 PID: 2842 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 94.020881] refcount_t: underflow; use-after-free. # [ 94.026080] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.055880] CPU: 0 PID: 2842 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 94.063891] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.070684] Backtrace: # [ 94.073415] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.081255] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 94.087189] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.094776] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.102007] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 # [ 94.110023] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.117774] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c6ebe000 # [ 94.123707] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 94.133023] r9:c1acca30 r8:c15e88e4 r7:c6ebff60 r6:0000001f r5:c6c54000 r4:c6ebe000 # [ 94.141041] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 94.151754] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 94.163677] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.173854] r4:00000032 # [ 94.176658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.184934] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.193120] r9:c6ebff60 r8:c537cb40 r7:0000001f r6:b6e96000 r5:c4200a00 r4:c0c35660 # [ 94.201137] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 94.209236] r9:c07e1750 r8:c6ebff60 r7:c2815800 r6:b6e96000 r5:c4200a00 r4:00000000 # [ 94.217249] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.224653] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6ebe000 r5:c4200a00 # [ 94.232747] r4:c4200a00 # [ 94.235552] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.242956] r9:c6ebe000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f # [ 94.250973] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.258810] Exception stack(0xc6ebffa8 to 0xc6ebfff0) # [ 94.264130] ffa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 # [ 94.272577] ffc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 befa2a64 # [ 94.281021] ffe0: 00000004 befa2798 b6f484cf b6ece7e6 # [ 94.286377] irq event stamp: 0 # [ 94.289710] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.295586] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 94.303378] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 94.311140] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.317013] ---[ end trace 847526dc4fddb713 ]--- # [ 94.321927] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.<6>[ 94.761925] lkdtm: Performing direct entry REFCOUNT_INC_ZERO sh # selftests: lkdtm: REFCOUNT_<6>[ 94.770128] lkdtm: attempting safe refcount_inc_not_zero() from zero INC_ZERO.sh <6>[ 94.779653] lkdtm: Good: zero detected <6>[ 94.784854] lkdtm: Correctly stayed at zero <6>[ 94.789336] lkdtm: attempting bad refcount_inc() from zero <4>[ 94.795127] ------------[ cut here ]------------ <4>[ 94.800031] WARNING: CPU: 2 PID: 2874 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 94.808864] refcount_t: addition on 0; use-after-free. <4>[ 94.814306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.843722] CPU: 2 PID: 2874 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 94.851734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.858529] Backtrace: <4>[ 94.861265] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.869104] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 94.875036] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.882620] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.889853] r9:00000009 r8:c0873cb4 r7:00000019 r6:00000009 r5:c0873cb4 r4:c1a209f8 <4>[ 94.897869] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.905620] r7:00000019 r6:c1a209f8 r5:c1a20a08 r4:c6ebc000 <4>[ 94.911552] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 94.920868] r9:c1acca50 r8:c15e88e4 r7:c6ebdf60 r6:00000012 r5:00000000 r4:c6ebc000 <4>[ 94.928884] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 94.938814] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 94.948826] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.957876] r5:c6b79000 r4:00000033 <4>[ 94.961721] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.969998] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.978186] r9:c6ebdf60 r8:c537cb40 r7:00000012 r6:b6dc5000 r5:c43a0280 r4:c0c35660 <4>[ 94.986204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 94.994305] r9:c07e1750 r8:c6ebdf60 r7:c2815800 r6:b6dc5000 r5:c43a0280 r4:00000000 <4>[ 95.002317] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.009721] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6ebc000 r5:c43a0280 <4>[ 95.017815] r4:c43a0280 <4>[ 95.020620] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.028024] r9:c6ebc000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000012 r4:00000012 <4>[ 95.036040] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.043875] Exception stack(0xc6ebdfa8 to 0xc6ebdff0) <4>[ 95.049197] dfa0: 00000012 00000012 00000001 b6dc5000 00000012 00000000 <4>[ 95.057644] dfc0: 00000012 00000012 b6f0ce00 00000004 00000001 00000000 00020000 be80fa64 <4>[ 95.066089] dfe0: 00000004 be80f798 b6e774cf b6dfd7e6 <4>[ 95.071480] irq event stamp: 0 <4>[ 95.074838] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.080690] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 95.088490] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 95.096299] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.102188] ---[ end trace 847526dc4fddb714 ]--- <6>[ 95.107088] lkdtm: Zero detected: saturated # [ 94.761925] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 94.770128] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 94.779653] lkdtm: Good: zero detected # [ 94.784854] lkdtm: Correctly stayed at zero # [ 94.789336] lkdtm: attempting bad refcount_inc() from zero # [ 94.795127] ------------[ cut here ]------------ # [ 94.800031] WARNING: CPU: 2 PID: 2874 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 94.808864] refcount_t: addition on 0; use-after-free. # [ 94.814306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.843722] CPU: 2 PID: 2874 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 94.851734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.858529] Backtrace: # [ 94.861265] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.869104] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 94.875036] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.882620] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.889853] r9:00000009 r8:c0873cb4 r7:00000019 r6:00000009 r5:c0873cb4 r4:c1a209f8 # [ 94.897869] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.905620] r7:00000019 r6:c1a209f8 r5:c1a20a08 r4:c6ebc000 # [ 94.911552] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 94.920868] r9:c1acca50 r8:c15e88e4 r7:c6ebdf60 r6:00000012 r5:00000000 r4:c6ebc000 # [ 94.928884] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 94.938814] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 94.948826] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.957876] r5:c6b79000 r4:00000033 # [ 94.961721] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.969998] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.978186] r9:c6ebdf60 r8:c537cb40 r7:00000012 r6:b6dc5000 r5:c43a0280 r4:c0c35660 # [ 94.986204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 94.994305] r9:c07e1750 r8:c6ebdf60 r7:c2815800 r6:b6dc5000 r5:c43a0280 r4:00000000 # [ 95.002317] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.009721] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6ebc000 r5:c43a0280 # [ 95.017815] r4:c43a0280 # [ 95.020620] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.028024] r9:c6ebc000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000012 r4:00000012 # [ 95.036040] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.043875] Exception stack(0xc6ebdfa8 to 0xc6ebdff0) # [ 95.049197] dfa0: 00000012 00000012 00000001 b6dc5000 00000012 00000000 # [ 95.057644] dfc0: 00000012 00000012 b6f0ce00 00000004 00000001 00000000 00020000 be80fa64 # [ 95.066089] dfe0: 00000004 be80f798 b6e774cf b6dfd7e6 # [ 95.071480] irq event stamp: 0 # [ 95.074838] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.080690] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.088490] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.096299] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.102188] ---[ end trace 847526dc4fddb714 ]--- # [ 95.107088] 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>[ 95.564649] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 95.570589] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 95.577403] lkdtm: Good: zero detected <6>[ 95.581454] lkdtm: Correctly stayed at zero <6>[ 95.585982] lkdtm: attempting bad refcount_add() from zero <4>[ 95.591746] ------------[ cut here ]------------ <4>[ 95.596795] WARNING: CPU: 3 PID: 2908 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 95.605640] refcount_t: addition on 0; use-after-free. <4>[ 95.611051] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 95.640483] CPU: 3 PID: 2908 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 95.648493] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.655287] Backtrace: <4>[ 95.658020] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.665859] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 95.671792] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.679377] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.686608] r9:00000009 r8:c0873cb4 r7:00000019 r6:00000009 r5:c0873cb4 r4:c1a209f8 <4>[ 95.694622] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.702371] r7:00000019 r6:c1a209f8 r5:c1a20a08 r4:c4220000 <4>[ 95.708302] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 95.717616] r9:c1acca64 r8:c15e88e4 r7:c4221f60 r6:00000012 r5:00000000 r4:c4220000 <4>[ 95.725635] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 95.735565] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 95.745578] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.754629] r5:c6a45000 r4:00000034 <4>[ 95.758475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.766754] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.774940] r9:c4221f60 r8:c537cb40 r7:00000012 r6:b6e2b000 r5:c5cd9400 r4:c0c35660 <4>[ 95.782960] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 95.791061] r9:c07e1750 r8:c4221f60 r7:c2815800 r6:b6e2b000 r5:c5cd9400 r4:00000000 <4>[ 95.799076] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.806482] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c4220000 r5:c5cd9400 <4>[ 95.814576] r4:c5cd9400 <4>[ 95.817383] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.824788] r9:c4220000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000012 r4:00000012 <4>[ 95.832803] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.840640] Exception stack(0xc4221fa8 to 0xc4221ff0) <4>[ 95.845962] 1fa0: 00000012 00000012 00000001 b6e2b000 00000012 00000000 <4>[ 95.854409] 1fc0: 00000012 00000012 b6f72e00 00000004 00000001 00000000 00020000 beba2a64 <4>[ 95.862854] 1fe0: 00000004 beba2798 b6edd4cf b6e637e6 <4>[ 95.868236] irq event stamp: 0 <4>[ 95.871570] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.877447] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 95.885262] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 95.893078] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.898934] ---[ end trace 847526dc4fddb715 ]--- <6>[ 95.903860] lkdtm: Zero detected: saturated # [ 95.564649] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 95.570589] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 95.577403] lkdtm: Good: zero detected # [ 95.581454] lkdtm: Correctly stayed at zero # [ 95.585982] lkdtm: attempting bad refcount_add() from zero # [ 95.591746] ------------[ cut here ]------------ # [ 95.596795] WARNING: CPU: 3 PID: 2908 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 95.605640] refcount_t: addition on 0; use-after-free. # [ 95.611051] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.640483] CPU: 3 PID: 2908 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 95.648493] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.655287] Backtrace: # [ 95.658020] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.665859] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 95.671792] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.679377] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.686608] r9:00000009 r8:c0873cb4 r7:00000019 r6:00000009 r5:c0873cb4 r4:c1a209f8 # [ 95.694622] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.702371] r7:00000019 r6:c1a209f8 r5:c1a20a08 r4:c4220000 # [ 95.708302] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 95.717616] r9:c1acca64 r8:c15e88e4 r7:c4221f60 r6:00000012 r5:00000000 r4:c4220000 # [ 95.725635] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 95.735565] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 95.745578] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.754629] r5:c6a45000 r4:00000034 # [ 95.758475] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.766754] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.774940] r9:c4221f60 r8:c537cb40 r7:00000012 r6:b6e2b000 r5:c5cd9400 r4:c0c35660 # [ 95.782960] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.791061] r9:c07e1750 r8:c4221f60 r7:c2815800 r6:b6e2b000 r5:c5cd9400 r4:00000000 # [ 95.799076] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.806482] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c4220000 r5:c5cd9400 # [ 95.814576] r4:c5cd9400 # [ 95.817383] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.824788] r9:c4220000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:00000012 r4:00000012 # [ 95.832803] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.840640] Exception stack(0xc4221fa8 to 0xc4221ff0) # [ 95.845962] 1fa0: 00000012 00000012 00000001 b6e2b000 00000012 00000000 # [ 95.854409] 1fc0: 00000012 00000012 b6f72e00 00000004 00000001 00000000 00020000 beba2a64 # [ 95.862854] 1fe0: 00000004 beba2798 b6edd4cf b6e637e6 # [ 95.868236] irq event stamp: 0 # [ 95.871570] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.877447] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.885262] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.893078] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.898934] ---[ end trace 847526dc4fddb715 ]--- # [ 95.903860] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAI<6>[ 96.341431] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED L] not ok 51 selftests: lkdtm: R<6>[ 96.349168] lkdtm: attempting bad refcount_inc() from saturated EFCOUNT_ADD_ZERO.sh # exit=1 # s<4>[ 96.358242] ------------[ cut here ]------------ elftests: lkdtm: REFCOUNT_INC_SAT<4>[ 96.365984] WARNING: CPU: 2 PID: 2945 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 URATED.sh <4>[ 96.377507] refcount_t: saturated; leaking memory. <4>[ 96.383493] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 96.412991] CPU: 2 PID: 2945 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 96.421006] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.427803] Backtrace: <4>[ 96.430544] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.438388] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 96.444326] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.451917] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.459154] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 <4>[ 96.467173] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.474927] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c5fe4000 <4>[ 96.480865] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 96.490097] r9:c1acca78 r8:c15e88e4 r7:c5fe5f60 r6:00000017 r5:c69c1000 r4:c5fe4000 <4>[ 96.498120] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 96.508057] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 96.518510] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.527998] r4:00000035 <4>[ 96.530807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.539091] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.547280] r9:c5fe5f60 r8:c537cb40 r7:00000017 r6:b6e6f000 r5:c688bb80 r4:c0c35660 <4>[ 96.555304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 96.563409] r9:c07e1750 r8:c5fe5f60 r7:c2815800 r6:b6e6f000 r5:c688bb80 r4:00000000 <4>[ 96.571424] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.578832] r10:00000004 r9:00000000 r8:00000000 r7:b6e6f000 r6:c5fe4000 r5:c688bb80 <4>[ 96.586930] r4:c688bb80 <4>[ 96.589739] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.597150] r9:c5fe4000 r8:c03002e4 r7:00000004 r6:b6fb6e00 r5:00000017 r4:00000017 <4>[ 96.605169] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.613009] Exception stack(0xc5fe5fa8 to 0xc5fe5ff0) <4>[ 96.618335] 5fa0: 00000017 00000017 00000001 b6e6f000 00000017 00000000 <4>[ 96.626787] 5fc0: 00000017 00000017 b6fb6e00 00000004 00000001 00000000 00020000 be87ca64 <4>[ 96.635235] 5fe0: 00000004 be87c798 b6f214cf b6ea77e6 <4>[ 96.640629] irq event stamp: 0 <4>[ 96.643999] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.649856] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 96.657673] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 96.665505] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.671359] ---[ end trace 847526dc4fddb716 ]--- <6>[ 96.676316] lkdtm: Saturation detected: still saturated # [ 96.341431] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 96.349168] lkdtm: attempting bad refcount_inc() from saturated # [ 96.358242] ------------[ cut here ]------------ # [ 96.365984] WARNING: CPU: 2 PID: 2945 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 96.377507] refcount_t: saturated; leaking memory. # [ 96.383493] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.412991] CPU: 2 PID: 2945 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 96.421006] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.427803] Backtrace: # [ 96.430544] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.438388] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 96.444326] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.451917] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.459154] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 # [ 96.467173] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.474927] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c5fe4000 # [ 96.480865] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 96.490097] r9:c1acca78 r8:c15e88e4 r7:c5fe5f60 r6:00000017 r5:c69c1000 r4:c5fe4000 # [ 96.498120] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 96.508057] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 96.518510] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.527998] r4:00000035 # [ 96.530807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.539091] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.547280] r9:c5fe5f60 r8:c537cb40 r7:00000017 r6:b6e6f000 r5:c688bb80 r4:c0c35660 # [ 96.555304] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.563409] r9:c07e1750 r8:c5fe5f60 r7:c2815800 r6:b6e6f000 r5:c688bb80 r4:00000000 # [ 96.571424] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.578832] r10:00000004 r9:00000000 r8:00000000 r7:b6e6f000 r6:c5fe4000 r5:c688bb80 # [ 96.586930] r4:c688bb80 # [ 96.589739] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.597150] r9:c5fe4000 r8:c03002e4 r7:00000004 r6:b6fb6e00 r5:00000017 r4:00000017 # [ 96.605169] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.613009] Exception stack(0xc5fe5fa8 to 0xc5fe5ff0) # [ 96.618335] 5fa0: 00000017 00000017 00000001 b6e6f000 00000017 00000000 # [ 96.626787] 5fc0: 00000017 00000017 b6fb6e00 00000004 00000001 00000000 00020000 be87ca64 # [ 96.635235] 5fe0: 00000004 be87c798 b6f214cf b6ea77e6 # [ 96.640629] irq event stamp: 0 # [ 96.643999] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.649856] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.657673] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.665505] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.671359] ---[ end trace 847526dc4fddb716 ]--- # [ 96.676316] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # sel<6>[ 97.111575] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED ftests: lkdtm: REFCOUNT_DEC_SATUR<6>[ 97.119792] lkdtm: attempting bad refcount_dec() from saturated ATED.sh <4>[ 97.128926] ------------[ cut here ]------------ <4>[ 97.134624] WARNING: CPU: 2 PID: 2980 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 97.143399] refcount_t: decrement hit 0; leaking memory. <4>[ 97.148985] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.178410] CPU: 2 PID: 2980 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 97.186422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.193217] Backtrace: <4>[ 97.195952] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.203791] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 97.209725] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.217312] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.224544] r9:00000009 r8:c0873c18 r7:0000001f r6:00000009 r5:c0873c18 r4:c1a209f8 <4>[ 97.232560] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.240310] r7:0000001f r6:c1a209f8 r5:c1a20a5c r4:c6f86000 <4>[ 97.246242] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 97.255471] r9:c1acca90 r8:c15e88e4 r7:c6f87f60 r6:00000017 r5:c69c1000 r4:c6f86000 <4>[ 97.263491] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 97.273422] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 97.283870] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.293354] r4:00000036 <4>[ 97.296157] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.304434] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.312619] r9:c6f87f60 r8:c537cb40 r7:00000017 r6:b6e0f000 r5:c4285900 r4:c0c35660 <4>[ 97.320639] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 97.328738] r9:c07e1750 r8:c6f87f60 r7:c2815800 r6:b6e0f000 r5:c4285900 r4:00000000 <4>[ 97.336750] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.344154] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c6f86000 r5:c4285900 <4>[ 97.352247] r4:c4285900 <4>[ 97.355052] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.362458] r9:c6f86000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:00000017 r4:00000017 <4>[ 97.370474] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.378309] Exception stack(0xc6f87fa8 to 0xc6f87ff0) <4>[ 97.383631] 7fa0: 00000017 00000017 00000001 b6e0f000 00000017 00000000 <4>[ 97.392079] 7fc0: 00000017 00000017 b6f56e00 00000004 00000001 00000000 00020000 be9c6a64 <4>[ 97.400524] 7fe0: 00000004 be9c6798 b6ec14cf b6e477e6 <4>[ 97.405936] irq event stamp: 0 <4>[ 97.409275] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.415175] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 97.422971] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 97.430730] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.436604] ---[ end trace 847526dc4fddb717 ]--- <6>[ 97.441493] lkdtm: Saturation detected: still saturated # [ 97.111575] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 97.119792] lkdtm: attempting bad refcount_dec() from saturated # [ 97.128926] ------------[ cut here ]------------ # [ 97.134624] WARNING: CPU: 2 PID: 2980 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 97.143399] refcount_t: decrement hit 0; leaking memory. # [ 97.148985] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.178410] CPU: 2 PID: 2980 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 97.186422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.193217] Backtrace: # [ 97.195952] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.203791] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 97.209725] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.217312] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.224544] r9:00000009 r8:c0873c18 r7:0000001f r6:00000009 r5:c0873c18 r4:c1a209f8 # [ 97.232560] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.240310] r7:0000001f r6:c1a209f8 r5:c1a20a5c r4:c6f86000 # [ 97.246242] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 97.255471] r9:c1acca90 r8:c15e88e4 r7:c6f87f60 r6:00000017 r5:c69c1000 r4:c6f86000 # [ 97.263491] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 97.273422] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 97.283870] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.293354] r4:00000036 # [ 97.296157] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.304434] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.312619] r9:c6f87f60 r8:c537cb40 r7:00000017 r6:b6e0f000 r5:c4285900 r4:c0c35660 # [ 97.320639] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.328738] r9:c07e1750 r8:c6f87f60 r7:c2815800 r6:b6e0f000 r5:c4285900 r4:00000000 # [ 97.336750] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.344154] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c6f86000 r5:c4285900 # [ 97.352247] r4:c4285900 # [ 97.355052] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.362458] r9:c6f86000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:00000017 r4:00000017 # [ 97.370474] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.378309] Exception stack(0xc6f87fa8 to 0xc6f87ff0) # [ 97.383631] 7fa0: 00000017 00000017 00000001 b6e0f000 00000017 00000000 # [ 97.392079] 7fc0: 00000017 00000017 b6f56e00 00000004 00000001 00000000 00020000 be9c6a64 # [ 97.400524] 7fe0: 00000004 be9c6798 b6ec14cf b6e477e6 # [ 97.405936] irq event stamp: 0 # [ 97.409275] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.415175] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.422971] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.430730] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.436604] ---[ end trace 847526dc4fddb717 ]--- # [ 97.441493] 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>[ 97.890640] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 97.897433] lkdtm: attempting bad refcount_dec() from saturated <4>[ 97.903815] ------------[ cut here ]------------ <4>[ 97.908795] WARNING: CPU: 3 PID: 3015 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 97.917612] refcount_t: saturated; leaking memory. <4>[ 97.922777] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.952548] CPU: 3 PID: 3015 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 97.960560] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.967354] Backtrace: <4>[ 97.970087] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.977927] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 97.983860] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.991445] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.998677] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 <4>[ 98.006694] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.014447] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c6f68000 <4>[ 98.020380] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 98.029607] r9:c1accaa8 r8:c15e88e4 r7:c6f69f60 r6:00000017 r5:c6ded000 r4:c6f68000 <4>[ 98.037624] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 98.047554] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 98.058001] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.067486] r4:00000037 <4>[ 98.070290] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.078570] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.086756] r9:c6f69f60 r8:c537cb40 r7:00000017 r6:b6e17000 r5:c688a780 r4:c0c35660 <4>[ 98.094773] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 98.102873] r9:c07e1750 r8:c6f69f60 r7:c2815800 r6:b6e17000 r5:c688a780 r4:00000000 <4>[ 98.110887] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.118292] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6f68000 r5:c688a780 <4>[ 98.126388] r4:c688a780 <4>[ 98.129192] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.136598] r9:c6f68000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000017 r4:00000017 <4>[ 98.144613] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.152449] Exception stack(0xc6f69fa8 to 0xc6f69ff0) <4>[ 98.157771] 9fa0: 00000017 00000017 00000001 b6e17000 00000017 00000000 <4>[ 98.166218] 9fc0: 00000017 00000017 b6f5ee00 00000004 00000001 00000000 00020000 bea2ba64 <4>[ 98.174662] 9fe0: 00000004 bea2b798 b6ec94cf b6e4f7e6 <4>[ 98.180043] irq event stamp: 0 <4>[ 98.183398] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.189250] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.197041] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.204833] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.210680] ---[ end trace 847526dc4fddb718 ]--- <6>[ 98.215596] lkdtm: Saturation detected: still saturated # [ 97.890640] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 97.897433] lkdtm: attempting bad refcount_dec() from saturated # [ 97.903815] ------------[ cut here ]------------ # [ 97.908795] WARNING: CPU: 3 PID: 3015 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 97.917612] refcount_t: saturated; leaking memory. # [ 97.922777] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.952548] CPU: 3 PID: 3015 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 97.960560] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.967354] Backtrace: # [ 97.970087] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.977927] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 97.983860] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.991445] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.998677] r9:00000009 r8:c0873c80 r7:00000016 r6:00000009 r5:c0873c80 r4:c1a209f8 # [ 98.006694] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.014447] r7:00000016 r6:c1a209f8 r5:c1a209d0 r4:c6f68000 # [ 98.020380] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 98.029607] r9:c1accaa8 r8:c15e88e4 r7:c6f69f60 r6:00000017 r5:c6ded000 r4:c6f68000 # [ 98.037624] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 98.047554] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 98.058001] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.067486] r4:00000037 # [ 98.070290] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.078570] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.086756] r9:c6f69f60 r8:c537cb40 r7:00000017 r6:b6e17000 r5:c688a780 r4:c0c35660 # [ 98.094773] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.102873] r9:c07e1750 r8:c6f69f60 r7:c2815800 r6:b6e17000 r5:c688a780 r4:00000000 # [ 98.110887] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.118292] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6f68000 r5:c688a780 # [ 98.126388] r4:c688a780 # [ 98.129192] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.136598] r9:c6f68000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000017 r4:00000017 # [ 98.144613] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.152449] Exception stack(0xc6f69fa8 to 0xc6f69ff0) # [ 98.157771] 9fa0: 00000017 00000017 00000001 b6e17000 00000017 00000000 # [ 98.166218] 9fc0: 00000017 00000017 b6f5ee00 00000004 00000001 00000000 00020000 bea2ba64 # [ 98.174662] 9fe0: 00000004 bea2b798 b6ec94cf b6e4f7e6 # [ 98.180043] irq event stamp: 0 # [ 98.183398] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.189250] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.197041] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.204833] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.210680] ---[ end trace 847526dc4fddb718 ]--- # [ 98.215596] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: R<6>[ 98.658049] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED EFCOUNT_ADD_SATURATED.sh # selft<6>[ 98.666385] lkdtm: attempting bad refcount_inc_not_zero() from saturated ests: lkdtm: REFCOUNT_INC_NOT_ZER<4>[ 98.676135] ------------[ cut here ]------------ O_SATURATED.sh <4>[ 98.683978] WARNING: CPU: 1 PID: 3047 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 98.693942] refcount_t: saturated; leaking memory. <4>[ 98.699006] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 98.728499] CPU: 1 PID: 3047 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 98.736511] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.743304] Backtrace: <4>[ 98.746040] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.753880] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 98.759814] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.767399] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.774631] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 <4>[ 98.782646] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.790396] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c6d06000 <4>[ 98.796329] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 98.805558] r9:c1accac0 r8:c15e88e4 r7:c6d07f60 r6:00000020 r5:c423d000 r4:c0000000 <4>[ 98.813578] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 98.824287] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 98.836290] r5:c423d000 r4:c6d06000 <4>[ 98.840140] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.850404] r4:00000038 <4>[ 98.853208] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.861487] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.869675] r9:c6d07f60 r8:c537cb40 r7:00000020 r6:b6dc6000 r5:c6a06dc0 r4:c0c35660 <4>[ 98.877693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 98.885793] r9:c07e1750 r8:c6d07f60 r7:c2815800 r6:b6dc6000 r5:c6a06dc0 r4:00000000 <4>[ 98.893805] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.901211] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c6d06000 r5:c6a06dc0 <4>[ 98.909306] r4:c6a06dc0 <4>[ 98.912110] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.919515] r9:c6d06000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:00000020 r4:00000020 <4>[ 98.927530] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.935367] Exception stack(0xc6d07fa8 to 0xc6d07ff0) <4>[ 98.940689] 7fa0: 00000020 00000020 00000001 b6dc6000 00000020 00000000 <4>[ 98.949136] 7fc0: 00000020 00000020 b6f0de00 00000004 00000001 00000000 00020000 bef2da64 <4>[ 98.957581] 7fe0: 00000004 bef2d798 b6e784cf b6dfe7e6 <4>[ 98.962953] irq event stamp: 0 <4>[ 98.966287] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.972164] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.979928] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 98.987754] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.993661] ---[ end trace 847526dc4fddb719 ]--- <6>[ 98.998564] lkdtm: Saturation detected: still saturated # [ 0.000000] Switching to timer-based delay loop, resolution 333ns # [ 98.658049] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 98.666385] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 98.676135] ------------[ cut here ]------------ # [ 98.683978] WARNING: CPU: 1 PID: 3047 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.693942] refcount_t: saturated; leaking memory. # [ 98.699006] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.728499] CPU: 1 PID: 3047 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 98.736511] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.743304] Backtrace: # [ 98.746040] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.753880] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 98.759814] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.767399] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.774631] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 # [ 98.782646] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.790396] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c6d06000 # [ 98.796329] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 98.805558] r9:c1accac0 r8:c15e88e4 r7:c6d07f60 r6:00000020 r5:c423d000 r4:c0000000 # [ 98.813578] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 98.824287] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 98.836290] r5:c423d000 r4:c6d06000 # [ 98.840140] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.850404] r4:00000038 # [ 98.853208] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.861487] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.869675] r9:c6d07f60 r8:c537cb40 r7:00000020 r6:b6dc6000 r5:c6a06dc0 r4:c0c35660 # [ 98.877693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.885793] r9:c07e1750 r8:c6d07f60 r7:c2815800 r6:b6dc6000 r5:c6a06dc0 r4:00000000 # [ 98.893805] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.901211] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c6d06000 r5:c6a06dc0 # [ 98.909306] r4:c6a06dc0 # [ 98.912110] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.919515] r9:c6d06000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:00000020 r4:00000020 # [ 98.927530] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.935367] Exception stack(0xc6d07fa8 to 0xc6d07ff0) # [ 98.940689] 7fa0: 00000020 00000020 00000001 b6dc6000 00000020 00000000 # [ 98.949136] 7fc0: 00000020 00000020 b6f0de00 00000004 00000001 00000000 00020000 bef2da64 # [ 98.957581] 7fe0: 00000004 bef2d798 b6e784cf b6dfe7e6 # [ 98.962953] irq event stamp: 0 # [ 98.966287] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.972164] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.979928] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.987754] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.993661] ---[ end trace 847526dc4fddb719 ]--- # [ 98.998564] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: RE<6>[ 99.448344] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED FCOUNT_INC_NOT_ZERO_SATURATED.sh <6>[ 99.457054] lkdtm: attempting bad refcount_add_not_zero() from saturated # exit=1 # selftests: lkdtm: REF<4>[ 99.466839] ------------[ cut here ]------------ COUNT_ADD_NOT_ZERO_SATURATED.sh <4>[ 99.474623] WARNING: CPU: 2 PID: 3081 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 99.486083] refcount_t: saturated; leaking memory. <4>[ 99.491145] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 99.520577] CPU: 2 PID: 3081 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 99.528588] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.535380] Backtrace: <4>[ 99.538112] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.545954] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 99.551888] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.559474] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.566706] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 <4>[ 99.574721] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.582473] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c6ed4000 <4>[ 99.588403] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 99.597632] r9:c1accae0 r8:c15e88e4 r7:c6ed5f60 r6:00000020 r5:c69c1000 r4:c0000000 <4>[ 99.605653] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 99.616364] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 99.628367] r5:c69c1000 r4:c6ed4000 <4>[ 99.632219] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.642484] r4:00000039 <4>[ 99.645288] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.653569] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.661756] r9:c6ed5f60 r8:c537cb40 r7:00000020 r6:b6e55000 r5:c41f6b40 r4:c0c35660 <4>[ 99.669774] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 99.677872] r9:c07e1750 r8:c6ed5f60 r7:c2815800 r6:b6e55000 r5:c41f6b40 r4:00000000 <4>[ 99.685885] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.693289] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6ed4000 r5:c41f6b40 <4>[ 99.701386] r4:c41f6b40 <4>[ 99.704191] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.711596] r9:c6ed4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000020 r4:00000020 <4>[ 99.719612] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.727448] Exception stack(0xc6ed5fa8 to 0xc6ed5ff0) <4>[ 99.732771] 5fa0: 00000020 00000020 00000001 b6e55000 00000020 00000000 <4>[ 99.741220] 5fc0: 00000020 00000020 b6f9ce00 00000004 00000001 00000000 00020000 befa3a64 <4>[ 99.749663] 5fe0: 00000004 befa3798 b6f074cf b6e8d7e6 <4>[ 99.755028] irq event stamp: 0 <4>[ 99.758363] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.764246] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.772062] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 99.779850] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.785744] ---[ end trace 847526dc4fddb71a ]--- <6>[ 99.790639] lkdtm: Saturation detected: still saturated # [ 99.448344] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 99.457054] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 99.466839] ------------[ cut here ]------------ # [ 99.474623] WARNING: CPU: 2 PID: 3081 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 99.486083] refcount_t: saturated; leaking memory. # [ 99.491145] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.520577] CPU: 2 PID: 3081 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 99.528588] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.535380] Backtrace: # [ 99.538112] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.545954] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 99.551888] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.559474] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.566706] r9:00000009 r8:c0873c4c r7:00000013 r6:00000009 r5:c0873c4c r4:c1a209f8 # [ 99.574721] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.582473] r7:00000013 r6:c1a209f8 r5:c1a209d0 r4:c6ed4000 # [ 99.588403] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.597632] r9:c1accae0 r8:c15e88e4 r7:c6ed5f60 r6:00000020 r5:c69c1000 r4:c0000000 # [ 99.605653] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.616364] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 99.628367] r5:c69c1000 r4:c6ed4000 # [ 99.632219] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.642484] r4:00000039 # [ 99.645288] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.653569] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.661756] r9:c6ed5f60 r8:c537cb40 r7:00000020 r6:b6e55000 r5:c41f6b40 r4:c0c35660 # [ 99.669774] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.677872] r9:c07e1750 r8:c6ed5f60 r7:c2815800 r6:b6e55000 r5:c41f6b40 r4:00000000 # [ 99.685885] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.693289] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6ed4000 r5:c41f6b40 # [ 99.701386] r4:c41f6b40 # [ 99.704191] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.711596] r9:c6ed4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000020 r4:00000020 # [ 99.719612] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.727448] Exception stack(0xc6ed5fa8 to 0xc6ed5ff0) # [ 99.732771] 5fa0: 00000020 00000020 00000001 b6e55000 00000020 00000000 # [ 99.741220] 5fc0: 00000020 00000020 b6f9ce00 00000004 00000001 00000000 00020000 befa3a64 # [ 99.749663] 5fe0: 00000004 befa3798 b6f074cf b6e8d7e6 # [ 99.755028] irq event stamp: 0 # [ 99.758363] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.764246] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.772062] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.779850] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.785744] ---[ end trace 847526dc4fddb71a ]--- # [ 99.790639] 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>[ 100.260070] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 100.267479] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 100.274523] ------------[ cut here ]------------ <4>[ 100.279435] WARNING: CPU: 0 PID: 3118 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 100.288331] refcount_t: underflow; use-after-free. <4>[ 100.293444] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 100.322859] CPU: 0 PID: 3118 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 100.330870] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.337664] Backtrace: <4>[ 100.340399] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.348239] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 100.354174] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.361759] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.368990] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 <4>[ 100.377007] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.384759] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c6d06000 <4>[ 100.390690] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 100.400005] r9:c1accb00 r8:c15e88e4 r7:c6d07f60 r6:00000020 r5:c446b000 r4:c6d06000 <4>[ 100.408023] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 100.418735] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 100.430745] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.441010] r4:0000003a <4>[ 100.443815] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.452095] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.460281] r9:c6d07f60 r8:c537cb40 r7:00000020 r6:b6e18000 r5:c5f3a280 r4:c0c35660 <4>[ 100.468300] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 100.476398] r9:c07e1750 r8:c6d07f60 r7:c2815800 r6:b6e18000 r5:c5f3a280 r4:00000000 <4>[ 100.484411] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.491816] r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c6d06000 r5:c5f3a280 <4>[ 100.499911] r4:c5f3a280 <4>[ 100.502717] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.510122] r9:c6d06000 r8:c03002e4 r7:00000004 r6:b6f5fe00 r5:00000020 r4:00000020 <4>[ 100.518137] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.525973] Exception stack(0xc6d07fa8 to 0xc6d07ff0) <4>[ 100.531294] 7fa0: 00000020 00000020 00000001 b6e18000 00000020 00000000 <4>[ 100.539741] 7fc0: 00000020 00000020 b6f5fe00 00000004 00000001 00000000 00020000 beedba64 <4>[ 100.548185] 7fe0: 00000004 beedb798 b6eca4cf b6e507e6 <4>[ 100.553545] irq event stamp: 0 <4>[ 100.556881] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.562771] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.570545] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 100.578351] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.584224] ---[ end trace 847526dc4fddb71b ]--- <6>[ 100.589114] lkdtm: Saturation detected: still saturated # [ 100.260070] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 100.267479] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 100.274523] ------------[ cut here ]------------ # [ 100.279435] WARNING: CPU: 0 PID: 3118 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 100.288331] refcount_t: underflow; use-after-free. # [ 100.293444] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.322859] CPU: 0 PID: 3118 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 100.330870] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.337664] Backtrace: # [ 100.340399] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.348239] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 100.354174] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.361759] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.368990] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 # [ 100.377007] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.384759] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c6d06000 # [ 100.390690] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 100.400005] r9:c1accb00 r8:c15e88e4 r7:c6d07f60 r6:00000020 r5:c446b000 r4:c6d06000 # [ 100.408023] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 100.418735] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 100.430745] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.441010] r4:0000003a # [ 100.443815] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.452095] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.460281] r9:c6d07f60 r8:c537cb40 r7:00000020 r6:b6e18000 r5:c5f3a280 r4:c0c35660 # [ 100.468300] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.476398] r9:c07e1750 r8:c6d07f60 r7:c2815800 r6:b6e18000 r5:c5f3a280 r4:00000000 # [ 100.484411] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.491816] r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c6d06000 r5:c5f3a280 # [ 100.499911] r4:c5f3a280 # [ 100.502717] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.510122] r9:c6d06000 r8:c03002e4 r7:00000004 r6:b6f5fe00 r5:00000020 r4:00000020 # [ 100.518137] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.525973] Exception stack(0xc6d07fa8 to 0xc6d07ff0) # [ 100.531294] 7fa0: 00000020 00000020 00000001 b6e18000 00000020 00000000 # [ 100.539741] 7fc0: 00000020 00000020 b6f5fe00 00000004 00000001 00000000 00020000 beedba64 # [ 100.548185] 7fe0: 00000004 beedb798 b6eca4cf b6e507e6 # [ 100.553545] irq event stamp: 0 # [ 100.556881] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.562771] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.570545] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.578351] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.584224] ---[ end trace 847526dc4fddb71b ]--- # [ 100.589114] 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>[ 101.047812] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 101.055088] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 101.062161] ------------[ cut here ]------------ <4>[ 101.067072] WARNING: CPU: 0 PID: 3153 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 101.075970] refcount_t: underflow; use-after-free. <4>[ 101.081059] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 101.110555] CPU: 0 PID: 3153 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 101.118565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.125361] Backtrace: <4>[ 101.128095] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.135934] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 101.141868] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.149453] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.156686] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 <4>[ 101.164703] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.172454] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c6a02000 <4>[ 101.178385] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 101.187700] r9:c1accb20 r8:c15e88e4 r7:c6a03f60 r6:00000020 r5:c4499000 r4:c6a02000 <4>[ 101.195719] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 101.206433] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 101.218442] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.228709] r4:0000003b <4>[ 101.231511] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.239790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.247976] r9:c6a03f60 r8:c537cb40 r7:00000020 r6:b6e78000 r5:c6a06f00 r4:c0c35660 <4>[ 101.255996] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 101.264095] r9:c07e1750 r8:c6a03f60 r7:c2815800 r6:b6e78000 r5:c6a06f00 r4:00000000 <4>[ 101.272108] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.279515] r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c6a02000 r5:c6a06f00 <4>[ 101.287609] r4:c6a06f00 <4>[ 101.290414] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.297819] r9:c6a02000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:00000020 r4:00000020 <4>[ 101.305833] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.313669] Exception stack(0xc6a03fa8 to 0xc6a03ff0) <4>[ 101.318990] 3fa0: 00000020 00000020 00000001 b6e78000 00000020 00000000 <4>[ 101.327437] 3fc0: 00000020 00000020 b6fbfe00 00000004 00000001 00000000 00020000 bed1ca64 <4>[ 101.335882] 3fe0: 00000004 bed1c798 b6f2a4cf b6eb07e6 <4>[ 101.341241] irq event stamp: 0 <4>[ 101.344596] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.350447] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.358244] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 <4>[ 101.366062] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.371940] ---[ end trace 847526dc4fddb71c ]--- <6>[ 101.376831] lkdtm: Saturation detected: still saturated # [ 101.047812] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 101.055088] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 101.062161] ------------[ cut here ]------------ # [ 101.067072] WARNING: CPU: 0 PID: 3153 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.075970] refcount_t: underflow; use-after-free. # [ 101.081059] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi flexcan can_dev imx_ldb parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.110555] CPU: 0 PID: 3153 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 101.118565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.125361] Backtrace: # [ 101.128095] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.135934] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 101.141868] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.149453] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.156686] r9:00000009 r8:c0873ce8 r7:0000001c r6:00000009 r5:c0873ce8 r4:c1a209f8 # [ 101.164703] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.172454] r7:0000001c r6:c1a209f8 r5:c1a20a34 r4:c6a02000 # [ 101.178385] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 101.187700] r9:c1accb20 r8:c15e88e4 r7:c6a03f60 r6:00000020 r5:c4499000 r4:c6a02000 # [ 101.195719] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 101.206433] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 101.218442] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.228709] r4:0000003b # [ 101.231511] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.239790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.247976] r9:c6a03f60 r8:c537cb40 r7:00000020 r6:b6e78000 r5:c6a06f00 r4:c0c35660 # [ 101.255996] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.264095] r9:c07e1750 r8:c6a03f60 r7:c2815800 r6:b6e78000 r5:c6a06f00 r4:00000000 # [ 101.272108] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.279515] r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c6a02000 r5:c6a06f00 # [ 101.287609] r4:c6a06f00 # [ 101.290414] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.297819] r9:c6a02000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:00000020 r4:00000020 # [ 101.305833] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.313669] Exception stack(0xc6a03fa8 to 0xc6a03ff0) # [ 101.318990] 3fa0: 00000020 00000020 00000001 b6e78000 00000020 00000000 # [ 101.327437] 3fc0: 00000020 00000020 b6fbfe00 00000004 00000001 00000000 00020000 bed1ca64 # [ 101.335882] 3fe0: 00000004 bed1c798 b6f2a4cf b6eb07e6 # [ 101.341241] irq event stamp: 0 # [ 101.344596] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.350447] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.358244] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.366062] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.371940] ---[ end trace 847526dc4fddb71c ]--- # [ 101.376831] 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>[ 102.182247] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 102.188557] lkdtm: attempting good copy_to_user of correct size <6>[ 102.195020] lkdtm: attempting bad copy_to_user of too large size # [ 102.182247] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 102.188557] lkdtm: attempting good copy_to_user of correct size # [ 102.195020] 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>[ 102.600929] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 102.607492] lkdtm: attempting good copy_from_user of correct size <6>[ 102.614087] lkdtm: attempting bad copy_from_user of too large size # [ 102.600929] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 102.607492] lkdtm: attempting good copy_from_user of correct size # [ 102.614087] 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>[ 103.052311] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 103.059057] lkdtm: attempting good copy_to_user inside whitelist <6>[ 103.065434] lkdtm: attempting bad copy_to_user outside whitelist # [ 103.052311] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 103.059057] lkdtm: attempting good copy_to_user inside whitelist # [ 103.065434] 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>[ 103.489526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 103.496588] lkdtm: attempting good copy_from_user inside whitelist <6>[ 103.503216] lkdtm: attempting bad copy_from_user outside whitelist # [ 103.489526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 103.496588] lkdtm: attempting good copy_from_user inside whitelist # [ 103.503216] 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>[ 103.929444] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 103.936074] lkdtm: good_stack: c6f6be0c-c6f6be2c <6>[ 103.940995] lkdtm: bad_stack : c6f6bd84-c6f6bda4 <6>[ 103.945945] lkdtm: attempting good copy_to_user of local stack <6>[ 103.952158] lkdtm: attempting bad copy_to_user of distant stack # [ 103.929444] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 103.936074] lkdtm: good_stack: c6f6be0c-c6f6be2c # [ 103.940995] lkdtm: bad_stack : c6f6bd84-c6f6bda4 # [ 103.945945] lkdtm: attempting good copy_to_user of local stack # [ 103.952158] 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>[ 104.376512] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 104.383217] lkdtm: good_stack: c6f6fe0c-c6f6fe2c <6>[ 104.388106] lkdtm: bad_stack : c6f6fd84-c6f6fda4 <6>[ 104.393047] lkdtm: attempting good copy_from_user of local stack <6>[ 104.399380] lkdtm: attempting bad copy_from_user of distant stack # [ 104.376512] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 104.383217] lkdtm: good_stack: c6f6fe0c-c6f6fe2c # [ 104.388106] lkdtm: bad_stack : c6f6fd84-c6f6fda4 # [ 104.393047] lkdtm: attempting good copy_from_user of local stack # [ 104.399380] 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>[ 104.820866] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 104.827219] lkdtm: good_stack: c6cc5e0c-c6cc5e2c <6>[ 104.832185] lkdtm: bad_stack : c6cc5ffc-c6cc601c <6>[ 104.837104] lkdtm: attempting good copy_to_user of local stack <6>[ 104.843358] lkdtm: attempting bad copy_to_user of distant stack # [ 104.820866] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 104.827219] lkdtm: good_stack: c6cc5e0c-c6cc5e2c # [ 104.832185] lkdtm: bad_stack : c6cc5ffc-c6cc601c # [ 104.837104] lkdtm: attempting good copy_to_user of local stack # [ 104.843358] 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>[ 105.271379] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 105.277325] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 <6>[ 105.284788] lkdtm: attempting bad copy_to_user from kernel text: c053aee8 <3>[ 105.291939] lkdtm: FAIL: survived bad copy_to_user() # [ 105.271379] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 105.277325] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 # [ 105.284788] lkdtm: attempting bad copy_to_user from kernel text: c053aee8 # [ 105.291939] 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>[ 105.743048] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 105.748992] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 105.756433] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 105.763666] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 105.769960] CPU: 3 PID: 3518 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 105.777982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.784791] Backtrace: <4>[ 105.787567] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.795432] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 <4>[ 105.801399] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.809023] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 105.817845] r9:c1accc28 r8:c15e88e4 r7:c6fbbf60 r6:c6fbbe34 r5:c6fba000 r4:0000078d <4>[ 105.825891] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.834969] r8:c15e88e4 r7:c6fbbf60 r6:00000012 r5:c6ac6000 r4:00000046 <4>[ 105.841968] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.850274] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.858486] r9:c6fbbf60 r8:c537cb40 r7:00000012 r6:b6e4d000 r5:c448ec80 r4:c0c35660 <4>[ 105.866533] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) <4>[ 105.874658] r9:c07e1750 r8:c6fbbf60 r7:c2815800 r6:b6e4d000 r5:c448ec80 r4:00000000 <4>[ 105.882696] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.890126] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c6fba000 r5:c448ec80 <4>[ 105.898238] r4:c448ec80 <4>[ 105.901067] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.908496] r9:c6fba000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000012 r4:00000012 <4>[ 105.916539] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.924394] Exception stack(0xc6fbbfa8 to 0xc6fbbff0) <4>[ 105.929741] bfa0: 00000012 00000012 00000001 b6e4d000 00000012 00000000 <4>[ 105.938215] bfc0: 00000012 00000012 b6f94e00 00000004 00000001 00000000 00020000 beacda64 <4>[ 105.946682] bfe0: 00000004 beacd798 b6eff4cf b6e857e6 # [ 105.743048] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 105.748992] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 105.756433] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 105.763666] lkdtm: FAIL: the thread stack is NOT properly erased # [ 105.769960] CPU: 3 PID: 3518 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 105.777982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.784791] Backtrace: # [ 105.787567] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.795432] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 105.801399] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.809023] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 105.817845] r9:c1accc28 r8:c15e88e4 r7:c6fbbf60 r6:c6fbbe34 r5:c6fba000 r4:0000078d # [ 105.825891] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.834969] r8:c15e88e4 r7:c6fbbf60 r6:00000012 r5:c6ac6000 r4:00000046 # [ 105.841968] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.850274] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.858486] r9:c6fbbf60 r8:c537cb40 r7:00000012 r6:b6e4d000 r5:c448ec80 r4:c0c35660 # [ 105.866533] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.874658] r9:c07e1750 r8:c6fbbf60 r7:c2815800 r6:b6e4d000 r5:c448ec80 r4:00000000 # [ 105.882696] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.890126] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c6fba000 r5:c448ec80 # [ 105.898238] r4:c448ec80 # [ 105.901067] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.908496] r9:c6fba000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000012 r4:00000012 # [ 105.916539] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.924394] Exception stack(0xc6fbbfa8 to 0xc6fbbff0) # [ 105.929741] bfa0: 00000012 00000012 00000001 b6e4d000 00000012 00000000 # [ 105.938215] bfc0: 00000012 00000012 b6f94e00 00000004 00000001 00000000 00020000 beacda64 # [ 105.946682] bfe0: 00000004 beacd798 b6eff4cf b6e857e6 # 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>[ 106.398240] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 106.404237] lkdtm: Calling matched prototype ... <6>[ 106.409133] lkdtm: Calling mismatched prototype ... <6>[ 106.414386] lkdtm: Fail: survived mismatched prototype function call! # [ 106.398240] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 106.404237] lkdtm: Calling matched prototype ... # [ 106.409133] lkdtm: Calling mismatched prototype ... # [ 106.414386] 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 / #