[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.38 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 6895412/tftp-deploy-eeslb3w7/kernel/zImage tftp 0x10000000 6895412/tftp-deploy-eeslb3w7/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '6895412/tftp-deploy-eeslb3w7/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 6.3 MiB/s done Bytes transferred = 12333568 (bc3200 hex) => tftp 0x14000000 6895412/tftp-deploy-eeslb3w7/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 6895412/tftp-deploy-eeslb3w7/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '6895412/tftp-deploy-eeslb3w7/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########### 5.6 MiB/s done Bytes transferred = 15426377 (eb6349 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 6895412/tftp-deploy-eeslb3w7/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 6895412/tftp-deploy-eeslb3w7/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.38 Filename '6895412/tftp-deploy-eeslb3w7/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.7 MiB/s done Bytes transferred = 42397 (a59d hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6895412/extract-nfsrootfs-zd5uw3w0,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6895412/extract-nfsrootfs-zd5uw3w0,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc3200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15426313 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 13f0d59c Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.129-cip12 (KernelCI@build-j402813-arm-gcc-10-multi-v7-defconfig-kselftest-c4l8g) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 26 13:56:16 UTC 2022 [ 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] 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/6895412/extract-nfsrootfs-zd5uw3w0,tcp,hard ip=dhcp [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 921456K/1048576K available (17408K kernel code, 2649K rwdata, 8096K rodata, 2048K init, 6693K bss, 61584K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55456 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 333ns [ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000040] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004463] Console: colour dummy device 80x30 [ 0.004532] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004561] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004588] ... MAX_LOCK_DEPTH: 48 [ 0.004614] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004640] ... CLASSHASH_SIZE: 4096 [ 0.004666] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004692] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004718] ... CHAINHASH_SIZE: 32768 [ 0.004743] memory used by lock dependency info: 4061 kB [ 0.004769] memory used for stack traces: 2112 kB [ 0.004795] per task-struct memory footprint: 1536 bytes [ 0.004894] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.004946] pid_max: default: 32768 minimum: 301 [ 0.005325] LSM: Security Framework initializing [ 0.005439] LSM support for eBPF active [ 0.005586] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005637] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008194] CPU: Testing write buffer coherency: ok [ 0.008315] CPU0: Spectre v2: using BPIALL workaround [ 0.009394] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013308] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015673] rcu: Hierarchical SRCU implementation. [ 0.025115] EFI services will not be available. [ 0.026426] smp: Bringing up secondary CPUs ... [ 0.029747] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.029762] CPU1: Spectre v2: using BPIALL workaround [ 0.033767] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.033781] CPU2: Spectre v2: using BPIALL workaround [ 0.037436] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.037450] CPU3: Spectre v2: using BPIALL workaround [ 0.038310] smp: Brought up 1 node, 4 CPUs [ 0.038353] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.038388] CPU: All CPU(s) started in SVC mode. [ 0.041287] devtmpfs: initialized [ 0.097803] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.100857] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.100928] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.105683] pinctrl core: initialized pinctrl subsystem [ 0.112638] DMI not present or invalid. [ 0.114966] NET: Registered protocol family 16 [ 0.126613] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.136103] thermal_sys: Registered thermal governor 'step_wise' [ 0.136658] cpuidle: using governor menu [ 0.137207] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.881415] vdd1p1: supplied by regulator-dummy [ 0.913177] vdd3p0: supplied by regulator-dummy [ 0.944467] vdd2p5: supplied by regulator-dummy [ 0.975803] vddarm: supplied by regulator-dummy [ 1.008037] vddpu: supplied by regulator-dummy [ 1.038393] vddsoc: supplied by regulator-dummy [ 2.366210] No ATAGs? [ 2.367155] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.367241] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.386860] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.416609] Serial: AMBA PL011 UART driver [ 2.481234] Kprobes globally optimized [ 2.575233] mxs-dma 110000.dma-apbh: initialized [ 2.607812] iommu: Default domain type: Translated [ 2.610008] vgaarb: loaded [ 2.614754] SCSI subsystem initialized [ 2.616918] usbcore: registered new interface driver usbfs [ 2.617249] usbcore: registered new interface driver hub [ 2.617486] usbcore: registered new device driver usb [ 2.625288] i2c i2c-0: IMX I2C adapter registered [ 2.632284] i2c i2c-1: IMX I2C adapter registered [ 2.636813] i2c i2c-2: IMX I2C adapter registered [ 2.641714] pps_core: LinuxPPS API ver. 1 registered [ 2.641756] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.641857] PTP clock support registered [ 2.659776] clocksource: Switched to clocksource mxc_timer1 [ 4.345374] NET: Registered protocol family 2 [ 4.346190] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.349659] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.349839] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.350071] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.351510] TCP: Hash tables configured (established 8192 bind 8192) [ 4.352569] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.352916] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.353172] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.353909] NET: Registered protocol family 1 [ 4.356746] RPC: Registered named UNIX socket transport module. [ 4.356835] RPC: Registered udp transport module. [ 4.356874] RPC: Registered tcp transport module. [ 4.356913] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.356967] NET: Registered protocol family 44 [ 4.357033] PCI: CLS 0 bytes, default 64 [ 4.359683] Trying to unpack rootfs image as initramfs... [ 6.248946] Freeing initrd memory: 15068K [ 6.249996] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.251899] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.261241] Initialise system trusted keyrings [ 6.262293] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.312964] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.316667] NFS: Registering the id_resolver key type [ 6.316853] Key type id_resolver registered [ 6.316944] Key type id_legacy registered [ 6.317611] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.317718] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.317925] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.320176] Key type asymmetric registered [ 6.320305] Asymmetric key parser 'x509' registered [ 6.320748] bounce: pool size: 64 pages [ 6.320913] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.321022] io scheduler mq-deadline registered [ 6.321065] io scheduler kyber registered [ 6.322051] test_firmware: interface ready [ 6.563430] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.563686] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.836460] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.857414] SuperH (H)SCI(F) driver initialized [ 6.860580] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.865762] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.796854] printk: console [ttymxc1] enabled [ 7.807904] msm_serial: driver initialized [ 7.813226] STMicroelectronics ASC driver initialized [ 7.824984] STM32 USART driver initialized [ 7.852015] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.874649] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.883213] panel-simple panel-lcd: Specify missing connector_type [ 7.891145] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.946509] brd: module loaded [ 8.008669] loop: module loaded [ 8.015274] lkdtm: No crash points registered, enable through debugfs [ 8.038118] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.046190] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.054304] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.062587] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.070644] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.078836] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.086684] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.098158] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.105289] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.114189] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.128574] scsi host0: ahci-imx [ 8.134278] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.201442] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.215157] pps pps0: new PPS source ptp0 [ 8.261913] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.272806] e1000e: Intel(R) PRO/1000 Network Driver [ 8.277811] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.284070] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.289559] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.318074] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.325760] usbcore: registered new interface driver pegasus [ 8.331727] usbcore: registered new interface driver asix [ 8.337306] usbcore: registered new interface driver ax88179_178a [ 8.343648] usbcore: registered new interface driver cdc_ether [ 8.349788] usbcore: registered new interface driver smsc75xx [ 8.355785] usbcore: registered new interface driver smsc95xx [ 8.361767] usbcore: registered new interface driver net1080 [ 8.367605] usbcore: registered new interface driver cdc_subset [ 8.373756] usbcore: registered new interface driver zaurus [ 8.379693] usbcore: registered new interface driver cdc_ncm [ 8.398709] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.405403] ehci-pci: EHCI PCI platform driver [ 8.410092] ehci-platform: EHCI generic platform driver [ 8.416406] ehci-orion: EHCI orion driver [ 8.421454] SPEAr-ehci: EHCI SPEAr driver [ 8.426397] ehci-st: EHCI STMicroelectronics driver [ 8.432256] ehci-exynos: EHCI Exynos driver [ 8.437358] ehci-atmel: EHCI Atmel driver [ 8.442377] tegra-ehci: Tegra EHCI driver [ 8.447338] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.453676] ohci-pci: OHCI PCI platform driver [ 8.458327] ohci-platform: OHCI generic platform driver [ 8.464625] SPEAr-ohci: OHCI SPEAr driver [ 8.469633] ohci-st: OHCI STMicroelectronics driver [ 8.475437] ohci-atmel: OHCI Atmel driver [ 8.483132] usbcore: registered new interface driver usb-storage [ 8.492194] ata1: SATA link down (SStatus 0 SControl 300) [ 8.497988] ahci-imx 2200000.sata: no device found, disabling link. [ 8.504379] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.523475] i2c /dev entries driver [ 8.613001] sdhci: Secure Digital Host Controller Interface driver [ 8.619225] sdhci: Copyright(c) Pierre Ossman [ 8.633689] Synopsys Designware Multimedia Card Interface Driver [ 8.647428] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.657031] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.657038] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.667422] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.674769] ledtrig-cpu: registered to indicate activity on CPUs [ 8.684849] usbcore: registered new interface driver usbhid [ 8.690520] usbhid: USB HID core driver [ 8.710937] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.711098] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.719691] netem: version 1.3 [ 8.728148] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.736408] gre: GRE over IPv4 demultiplexor driver [ 8.741401] ip_gre: GRE over IPv4 tunneling driver [ 8.752309] IPv4 over IPsec tunneling driver [ 8.761905] NET: Registered protocol family 10 [ 8.773310] Segment Routing with IPv6 [ 8.783626] ip6_gre: GRE over IPv6 tunneling driver [ 8.791710] NET: Registered protocol family 17 [ 8.798217] Key type dns_resolver registered [ 8.818355] ThumbEE CPU extension supported. [ 8.822791] Registering SWP/SWPB emulation handler [ 8.828881] Loading compiled-in X.509 certificates [ 8.868551] mmc2: new high speed SDHC card at address aaaa [ 8.877903] mmcblk2: mmc2:aaaa SL16G 14.8 GiB [ 8.898554] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.906152] GPT:29296874 != 31116287 [ 8.909807] GPT:Alternate GPT header not at the end of the disk. [ 8.915848] GPT:29296874 != 31116287 [ 8.919500] GPT: Use GNU Parted to correct GPT errors. [ 8.924736] mmcblk2: p1 p2 p3 [ 9.012631] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.021054] panel-simple panel-lcd: Specify missing connector_type [ 9.034328] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.074509] imx_usb 2184200.usb: No over current polarity defined [ 9.088982] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.094299] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.130175] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.151293] hub 1-0:1.0: USB hub found [ 9.155637] hub 1-0:1.0: 1 port detected [ 9.171911] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.204570] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.212957] panel-simple panel-lcd: Specify missing connector_type [ 9.226259] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.257208] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.265528] panel-simple panel-lcd: Specify missing connector_type [ 9.278774] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.297808] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.326944] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.335375] panel-simple panel-lcd: Specify missing connector_type [ 9.348635] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.371133] 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) [ 9.386593] IP-Config: Failed to open gretap0 [ 9.391054] IP-Config: Failed to open erspan0 [ 9.419717] Sending DHCP requests . [ 9.549809] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.768954] hub 1-1:1.0: USB hub found [ 9.773825] hub 1-1:1.0: 3 ports detected [ 9.803645] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.812003] panel-simple panel-lcd: Specify missing connector_type [ 9.825481] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.949786] . [ 12.551182] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.561203] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 16.369786] ., OK [ 16.412352] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.38 [ 16.420640] IP-Config: Complete: [ 16.423957] device=eth0, hwaddr=00:19:b8:08:f0:fe, ipaddr=192.168.201.38, mask=255.255.255.0, gw=192.168.201.1 [ 16.434693] host=imx6q-sabrelite-lava-cbg-8, domain=lava-rack, nis-domain=(none) [ 16.442727] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 16.442773] nameserver0=192.168.201.1 [ 16.514067] Freeing unused kernel memory: 2048K [ 16.530993] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 20.535005] imx-ipuv3 2400000.ipu: IPUv3H probed [ 20.576843] imx-ipuv3 2800000.ipu: IPUv3H probed [ 20.578876] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.600186] panel-simple panel-lcd: Specify missing connector_type [ 20.613992] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.667129] CAN device driver interface [ 20.678097] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.710353] panel-simple panel-lcd: Specify missing connector_type [ 20.724916] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.798701] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.807150] panel-simple panel-lcd: Specify missing connector_type [ 20.842739] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 20.884613] caam 2100000.crypto: Entropy delay = 3200 [ 20.925121] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 20.944178] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 20.950638] caam 2100000.crypto: Instantiated RNG4 SH0 [ 20.950843] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 21.011404] caam 2100000.crypto: Instantiated RNG4 SH1 [ 21.016634] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 21.023403] caam 2100000.crypto: job rings = 2, qi = 0 [ 21.052286] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 21.058123] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.062763] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 21.068824] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 21.074803] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 21.081007] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 21.085180] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 21.093179] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.093885] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 21.094007] panel-simple panel-lcd: Specify missing connector_type [ 21.101617] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.107805] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 21.120849] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 21.121297] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 21.137727] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.140101] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.140936] panel-simple panel-lcd: Specify missing connector_type [ 21.174687] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.175610] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.183991] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.199633] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.252964] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.261482] panel-simple panel-lcd: Specify missing connector_type [ 21.320314] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.353685] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.363164] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.371808] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.380384] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.412813] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.421643] panel-simple panel-lcd: Specify missing connector_type [ 22.184474] caam algorithms registered in /proc/crypto [ 22.195493] caam 2100000.crypto: registering rng-caam [ 22.324040] random: crng init done [ 22.330362] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.363462] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.371957] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.380456] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.388875] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.411469] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.420214] panel-simple panel-lcd: Specify missing connector_type 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 ... done. IP-Config: eth0 hardware address 00:19:b8:08:f0:fe mtu 1500 DHCP IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.38 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-8 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 24.626132] systemd[1]: System time before build time, advancing clock. [ 24.893314] systemd[1]: systemd 247.3-7 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) [ 24.918857] systemd[1]: Detected architecture arm. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 24.997748] systemd[1]: Set hostname to . [ 26.812192] systemd[1]: Queued start job for default target Graphical Interface. [ 26.827878] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 26.875010] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 26.926296] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 26.974196] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 27.025341] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 27.074524] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 27.121371] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 27.135436] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 27.182139] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 27.220088] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 27.260611] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 27.300773] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 27.345135] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 27.452604] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 27.466836] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 27.526911] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 27.577029] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 27.632124] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 27.675227] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 27.734158] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 27.745509] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 27.768477] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 27.811806] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 27.863988] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 27.921888] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 27.987444] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 28.042852] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 28.101151] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 28.135616] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 28.169642] fuse: init (API version 7.32) [ 28.199935] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 28.256813] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 28.320404] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 28.363396] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 28.390404] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 28.452594] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 28.546403] systemd[1]: modprobe@configfs.service: Succeeded. [ 28.557102] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 28.615522] systemd[1]: modprobe@drm.service: Succeeded. [ 28.625726] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 28.675571] systemd[1]: modprobe@fuse.service: Succeeded. [ 28.685421] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 28.735180] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 28.786407] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 28.841884] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 28.899007] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 28.932941] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 28.943309] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 28.964527] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 29.022820] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 29.091290] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 29.145085] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 29.574980] systemd-journald[264]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. [[0;32m OK [0m] Found device [0;1;39m/dev/ttymxc1[0m. [[0;32m OK [0m] Reached target [0;1;39mHardware activated USB gadget[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttymxc1[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.129-cip12 #1 SMP Tue Jul 26 13:56:16 UTC 2022 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/6895412/extract-nfsrootfs-zd5uw3w0' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6895412/extract-nfsrootfs-zd5uw3w0' / # 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-6895412/environment . /lava-6895412/environment / # /lava-6895412/bin/lava-test-runner /lava-6895412/0 /lava-6895412/bin/lava-test-runner /lava-6895412/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6895412/0/tests/0_timesync-off ++ cat uuid + UUID=6895412_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6895412/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6895412_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.129-cip12-36-g21d9d56f4de5a/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/ INFO: Generating a skipfile based on /lava-6895412/0/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: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... E: Release file for http://deb.debian.org/debian/dists/bullseye/InRelease is not valid yet (invalid for another 110d 13h 47min 14s). Updates for this repository will not be applied. Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-03-20 19:56:15-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.129-cip12-36-g21d9d56f4de5a/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: 1409484 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.01K 98.0KB/s kselftest.tar.xz 4%[ ] 66.19K 114KB/s kselftest.tar.xz 7%[> ] 101.06K 116KB/s kselftest.tar.xz 9%[> ] 124.17K 108KB/s kselftest.tar.xz 11%[=> ] 152.45K 105KB/s kselftest.tar.xz 12%[=> ] 177.90K 102KB/s kselftest.tar.xz 14%[=> ] 205.70K 94.5KB/s kselftest.tar.xz 16%[==> ] 233.05K 94.4KB/s kselftest.tar.xz 18%[==> ] 248.12K 91.9KB/s kselftest.tar.xz 19%[==> ] 265.57K 90.1KB/s kselftest.tar.xz 20%[===> ] 282.54K 87.4KB/s eta 13s kselftest.tar.xz 22%[===> ] 303.75K 86.1KB/s eta 13s kselftest.tar.xz 23%[===> ] 329.21K 86.2KB/s eta 13s kselftest.tar.xz 25%[====> ] 351.83K 85.6KB/s eta 13s kselftest.tar.xz 26%[====> ] 370.21K 84.1KB/s eta 12s kselftest.tar.xz 28%[====> ] 395.67K 84.3KB/s eta 12s kselftest.tar.xz 30%[=====> ] 421.12K 84.5KB/s eta 12s kselftest.tar.xz 32%[=====> ] 446.57K 83.9KB/s 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./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038419.168867326 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time stamp 2022-07-26 14:10:13 is 11038419.162376326 s in the future tar: ./lkdtm/SLAB_FREE_CROSS.sh: time stamp 2022-07-26 14:10:13 is 11038419.156035659 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh: time stamp 2022-07-26 14:10:13 is 11038419.149671659 s in the future tar: ./lkdtm/WRITE_KERN.sh: time stamp 2022-07-26 14:10:13 is 11038419.141470659 s in the future tar: ./lkdtm/BUG.sh: time stamp 2022-07-26 14:10:13 is 11038419.134609659 s in the future tar: ./lkdtm/WRITE_RO_AFTER_INIT.sh: time stamp 2022-07-26 14:10:13 is 11038419.127772992 s in the future tar: ./lkdtm/SPINLOCKUP.sh: time stamp 2022-07-26 14:10:13 is 11038419.120834992 s in the future tar: ./lkdtm/EXCEPTION.sh: time stamp 2022-07-26 14:10:13 is 11038419.113960659 s in the future tar: ./lkdtm/UNALIGNED_LOAD_STORE_WRITE.sh: time stamp 2022-07-26 14:10:13 is 11038419.107437326 s in the future tar: ./lkdtm/REFCOUNT_DEC_NEGATIVE.sh: time stamp 2022-07-26 14:10:13 is 11038419.100748326 s in the future tar: ./lkdtm/DOUBLE_FAULT.sh: time stamp 2022-07-26 14:10:13 is 11038419.093729992 s in the future tar: ./lkdtm/REFCOUNT_DEC_ZERO.sh: time stamp 2022-07-26 14:10:13 is 11038419.086810326 s in the future tar: ./lkdtm/EXEC_USERSPACE.sh: time stamp 2022-07-26 14:10:13 is 11038419.079671326 s in the future tar: ./lkdtm/CFI_FORWARD_PROTO.sh: time stamp 2022-07-26 14:10:13 is 11038419.072821326 s in the future tar: ./lkdtm/WRITE_RO.sh: time stamp 2022-07-26 14:10:13 is 11038419.066107992 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_FROM.sh: time stamp 2022-07-26 14:10:13 is 11038419.059425992 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_TRAILING.sh: time stamp 2022-07-26 14:10:13 is 11038419.052428326 s in the future tar: ./lkdtm/CORRUPT_LIST_ADD.sh: time stamp 2022-07-26 14:10:13 is 11038419.045690992 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-07-26 14:10:13 is 11038419.039379659 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-07-26 14:10:13 is 11038419.032974659 s in the future tar: ./lkdtm/REFCOUNT_DEC_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038419.026102326 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-07-26 14:10:13 is 11038419.019375992 s in the future tar: ./lkdtm/HARDLOCKUP.sh: time stamp 2022-07-26 14:10:13 is 11038419.012892659 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038419.006137326 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_NEGATIVE.sh: time stamp 2022-07-26 14:10:13 is 11038418.999541659 s in the future tar: ./lkdtm/READ_AFTER_FREE.sh: time stamp 2022-07-26 14:10:13 is 11038418.992698659 s in the future tar: ./lkdtm/ACCESS_USERSPACE.sh: time stamp 2022-07-26 14:10:13 is 11038418.985865992 s in the future tar: ./lkdtm/tests.txt: time stamp 2022-07-26 13:40:05 is 11036610.979352326 s in the future tar: ./lkdtm/WRITE_AFTER_FREE.sh: time stamp 2022-07-26 14:10:13 is 11038418.972845326 s in the future tar: ./lkdtm/UNSET_SMEP.sh: time stamp 2022-07-26 14:10:13 is 11038418.966133659 s in the future tar: ./lkdtm/USERCOPY_STACK_BEYOND.sh: time stamp 2022-07-26 14:10:13 is 11038418.959384992 s in the future tar: ./lkdtm/REFCOUNT_INC_ZERO.sh: time stamp 2022-07-26 14:10:13 is 11038418.952450992 s in the future tar: ./lkdtm/WARNING_MESSAGE.sh: time stamp 2022-07-26 14:10:13 is 11038418.945254659 s in the future tar: ./lkdtm/CORRUPT_STACK.sh: time stamp 2022-07-26 14:10:13 is 11038418.938565992 s in the future tar: ./lkdtm/WARNING.sh: time stamp 2022-07-26 14:10:13 is 11038418.931522659 s in the future tar: ./lkdtm/READ_BUDDY_AFTER_FREE.sh: time stamp 2022-07-26 14:10:13 is 11038418.924506659 s in the future tar: ./lkdtm/EXEC_RODATA.sh: time stamp 2022-07-26 14:10:13 is 11038418.918055659 s in the future tar: ./lkdtm/REFCOUNT_ADD_OVERFLOW.sh: time stamp 2022-07-26 14:10:13 is 11038418.911343326 s in the future tar: ./lkdtm/SOFTLOCKUP.sh: time stamp 2022-07-26 14:10:13 is 11038418.904343992 s in the future tar: ./lkdtm/REFCOUNT_ADD_ZERO.sh: time stamp 2022-07-26 14:10:13 is 11038418.897747659 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_FROM.sh: time stamp 2022-07-26 14:10:13 is 11038418.891268326 s in the future tar: ./lkdtm/EXEC_DATA.sh: time stamp 2022-07-26 14:10:13 is 11038418.884538326 s in the future tar: ./lkdtm/REFCOUNT_INC_OVERFLOW.sh: time stamp 2022-07-26 14:10:13 is 11038418.878011659 s in the future tar: ./lkdtm/SLAB_FREE_DOUBLE.sh: time stamp 2022-07-26 14:10:13 is 11038418.871428326 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-07-26 14:10:13 is 11038418.864383326 s in the future tar: ./lkdtm/EXEC_VMALLOC.sh: time stamp 2022-07-26 14:10:13 is 11038418.857764992 s in the future tar: ./lkdtm/REFCOUNT_INC_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038418.850884659 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038418.843711326 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-07-26 14:10:13 is 11038418.837333659 s in the future tar: ./lkdtm/REFCOUNT_ADD_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038418.830501659 s in the future tar: ./lkdtm/WRITE_BUDDY_AFTER_FREE.sh: time stamp 2022-07-26 14:10:13 is 11038418.823700992 s in the future tar: ./lkdtm/CORRUPT_STACK_STRONG.sh: time stamp 2022-07-26 14:10:13 is 11038418.817166326 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-07-26 14:10:13 is 11038418.810172992 s in the future tar: ./lkdtm/CORRUPT_LIST_DEL.sh: time stamp 2022-07-26 14:10:13 is 11038418.803355659 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_NEGATIVE.sh: time stamp 2022-07-26 14:10:13 is 11038418.796865992 s in the future tar: ./lkdtm/USERCOPY_KERNEL.sh: time stamp 2022-07-26 14:10:13 is 11038418.790043992 s in the future tar: ./lkdtm/EXEC_STACK.sh: time stamp 2022-07-26 14:10:13 is 11038418.782868659 s in the future tar: ./lkdtm/SLAB_FREE_PAGE.sh: time stamp 2022-07-26 14:10:13 is 11038418.776391326 s in the future tar: ./lkdtm/EXHAUST_STACK.sh: time stamp 2022-07-26 14:10:13 is 11038418.769605326 s in the future tar: ./lkdtm/HUNG_TASK.sh: time stamp 2022-07-26 14:10:13 is 11038418.762753326 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_SATURATED.sh: time stamp 2022-07-26 14:10:13 is 11038418.756059659 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_TO.sh: time stamp 2022-07-26 14:10:13 is 11038418.749377326 s in the future tar: ./lkdtm/REFCOUNT_TIMING.sh: time stamp 2022-07-26 14:10:13 is 11038418.742585992 s in the future tar: ./lkdtm/ATOMIC_TIMING.sh: time stamp 2022-07-26 14:10:13 is 11038418.736034992 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-07-26 14:10:13 is 11038418.729221326 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-07-26 14:10:13 is 11038418.722513659 s in the future tar: ./lkdtm/PANIC.sh: time stamp 2022-07-26 14:10:13 is 11038418.715529992 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_TO.sh: time stamp 2022-07-26 14:10:13 is 11038418.708967659 s in the future tar: ./lkdtm: time stamp 2022-07-26 14:10:38 is 11038443.705680992 s in the future tar: ./fpu/run_test_fpu.sh: time stamp 2022-07-26 13:40:05 is 11036610.696192326 s in the future tar: ./fpu/test_fpu: time stamp 2022-07-26 14:10:09 is 11038414.689135992 s in the future tar: ./fpu: time stamp 2022-07-26 14:10:37 is 11038442.685785326 s in the future tar: ./memory-hotplug/mem-on-off-test.sh: time stamp 2022-07-26 13:40:05 is 11036610.675979659 s in the future tar: ./memory-hotplug: time stamp 2022-07-26 14:10:38 is 11038443.672644326 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-07-26 14:10:06 is 11038411.660662992 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-07-26 14:10:06 is 11038411.651762659 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-07-26 14:10:06 is 11038411.642854659 s in the future tar: ./clone3/clone3: time stamp 2022-07-26 14:10:06 is 11038411.634689659 s in the future tar: ./clone3: time stamp 2022-07-26 14:10:36 is 11038441.631546326 s in the future tar: ./tpm2/tpm2_tests.py: time stamp 2022-07-26 13:40:05 is 11036610.620931659 s in the future tar: ./tpm2/test_space.sh: time stamp 2022-07-26 13:40:05 is 11036610.614355992 s in the future tar: ./tpm2/test_smoke.sh: time stamp 2022-07-26 13:40:05 is 11036610.607707992 s in the future tar: ./tpm2/tpm2.py: time stamp 2022-07-26 13:40:05 is 11036610.599582659 s in the future tar: ./tpm2: time stamp 2022-07-26 14:10:40 is 11038445.596205326 s in the future tar: ./user/test_user_copy.sh: time stamp 2022-07-26 13:40:05 is 11036610.586685326 s in the future tar: ./user: time stamp 2022-07-26 14:10:40 is 11038445.582995659 s in the future tar: .: time stamp 2022-07-26 14:10:41 is 11038446.579313992 s in the future 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 ======================================== [ 97.326967] 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 [ 98.210135] lkdtm: Performing direct entry BUG [ 98.214901] ------------[ cut here ]------------ [ 98.219531] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 98.224774] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 98.229935] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 98.259230] CPU: 0 PID: 784 Comm: cat Not tainted 5.10.129-cip12 #1 [ 98.265519] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.272091] PC is at lkdtm_BUG+0x14/0x18 [ 98.276045] LR is at lkdtm_do_action+0x2c/0x4c [ 98.280512] pc : [] lr : [] psr: a00e0013 [ 98.286801] sp : c6f25e58 ip : c6f25e68 fp : c6f25e64 [ 98.292046] r10: 00000004 r9 : c1acb738 r8 : c15e7d40 [ 98.297291] r7 : c6f25f60 r6 : 00000004 r5 : c5fa5000 r4 : 00000001 [ 98.303840] r3 : c0c2d5ac r2 : 5bbaa13e r1 : ef7815e0 r0 : c15e7d48 [ 98.310392] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 98.317550] Control: 10c5387d Table: 16f3c04a DAC: 00000051 [ 98.323319] Process cat (pid: 784, stack limit = 0x73aae2d4) [ 98.329003] Stack: (0xc6f25e58 to 0xc6f26000) [ 98.333390] 5e40: c6f25e74 c6f25e68 [ 98.341601] 5e60: c0c2d040 c0c2d5b8 c6f25e9c c6f25e78 c0c2d540 c0c2d020 c0c2d420 c4783900 [ 98.349809] 5e80: b6eab000 00000004 c536a540 c6f25f60 c6f25ec4 c6f25ea0 c07f4c60 c0c2d42c [ 98.358018] 5ea0: 00000000 c4783900 b6eab000 c2816000 c6f25f60 c07f4bfc c6f25f5c c6f25ec8 [ 98.366225] 5ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6f24000 [ 98.374432] 5ee0: b6eab000 00020000 00000004 00000004 0001fffc c6f25ee0 00000001 b6eaa000 [ 98.382638] 5f00: c5acf680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 98.390845] 5f20: 00000000 00000000 c136d588 5bbaa13e c205c080 c4783900 c4783900 c6f24000 [ 98.399053] 5f40: b6eab000 00000000 00000000 00000004 c6f25f94 c6f25f60 c05988bc c0598228 [ 98.407260] 5f60: 00000000 00000000 c6f25fac 5bbaa13e 00000004 00000004 b6ff2e00 00000004 [ 98.415468] 5f80: c03002e4 c6f24000 c6f25fa4 c6f25f98 c059894c c0598854 00000000 c6f25fa8 [ 98.423675] 5fa0: c03000c0 c0598940 00000004 00000004 00000001 b6eab000 00000004 00000000 [ 98.431882] 5fc0: 00000004 00000004 b6ff2e00 00000004 00000001 00000000 00020000 beb49a54 [ 98.440090] 5fe0: 00000004 beb49788 b6f6094f b6ee6c66 800e0030 00000001 00000000 00000000 [ 98.448283] Backtrace: [ 98.450783] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.458394] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.466442] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.474393] r9:c6f25f60 r8:c536a540 r7:00000004 r6:b6eab000 r5:c4783900 r4:c0c2d420 [ 98.482177] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 98.490040] r9:c07f4bfc r8:c6f25f60 r7:c2816000 r6:b6eab000 r5:c4783900 r4:00000000 [ 98.497817] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.504983] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c6f24000 r5:c4783900 [ 98.512832] r4:c4783900 [ 98.515398] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.522564] r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000004 r4:00000004 [ 98.530342] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.537931] Exception stack(0xc6f25fa8 to 0xc6f25ff0) [ 98.543012] 5fa0: 00000004 00000004 00000001 b6eab000 00000004 00000000 [ 98.551219] 5fc0: 00000004 00000004 b6ff2e00 00000004 00000001 00000000 00020000 beb49a54 [ 98.559419] 5fe0: 00000004 beb49788 b6f6094f b6ee6c66 [ 98.564502] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 98.570629] ---[ end trace 315d618f037af17b ]--- [ 98.575274] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 98.584170] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 784, name: cat [ 98.591843] INFO: lockdep is turned off. [ 98.595784] irq event stamp: 1546 [ 98.599141] hardirqs last enabled at (1545): [] console_unlock+0x4b0/0x6c0 [ 98.607003] hardirqs last disabled at (1546): [] __und_svc+0x60/0x6c [ 98.614255] softirqs last enabled at (1474): [] __do_softirq+0x378/0x5fc [ 98.621940] softirqs last disabled at (1467): [] __irq_exit_rcu+0x178/0x1d0 [ 98.629797] CPU: 0 PID: 784 Comm: cat Tainted: G D 5.10.129-cip12 #1 [ 98.637474] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.644019] Backtrace: [ 98.646521] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.654119] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f6a8 [ 98.659810] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.667160] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 98.674935] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19c81c4 r4:c6f24000 [ 98.682712] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 98.690568] r6:00000000 r5:00000031 r4:c19c81c4 [ 98.695228] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 98.702996] r6:00000001 r5:c6f24000 r4:c5da0d80 [ 98.707658] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 98.714996] r8:0000000b r7:c1e0fc0c r6:ffffe000 r5:00000000 r4:c5da0d80 [ 98.721733] [] (do_exit) from [] (die+0x374/0x380) [ 98.728281] r7:c1e0fc0c [ 98.730846] [] (die) from [] (do_undefinstr+0x170/0x240) [ 98.737926] r10:00000004 r9:c6f24000 r8:c15e7d40 r7:00000000 r6:c6f25dc8 r5:c0c2d5c0 [ 98.745775] r4:e7f001f2 [ 98.748343] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 98.756280] Exception stack(0xc6f25dc8 to 0xc6f25e10) [ 98.761362] 5dc0: c15e7d48 ef7815e0 5bbaa13e c0c2d5ac 00000001 c5fa5000 [ 98.769571] 5de0: 00000004 c6f25f60 c15e7d40 c1acb738 00000004 c6f25e64 c6f25e68 c6f25e58 [ 98.777773] 5e00: c0c2d040 c0c2d5c0 a00e0013 ffffffff [ 98.782850] r7:c6f25dfc r6:ffffffff r5:a00e0013 r4:c0c2d5c4 [ 98.788552] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.796156] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.804194] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.812141] r9:c6f25f60 r8:c536a540 r7:00000004 r6:b6eab000 r5:c4783900 r4:c0c2d420 [ 98.819917] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 98.827777] r9:c07f4bfc r8:c6f25f60 r7:c2816000 r6:b6eab000 r5:c4783900 r4:00000000 [ 98.835550] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.842716] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c6f24000 r5:c4783900 [ 98.850564] r4:c4783900 [ 98.853128] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.860292] r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000004 r4:00000004 [ 98.868067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.875655] Exception stack(0xc6f25fa8 to 0xc6f25ff0) [ 98.880735] 5fa0: 00000004 00000004 00000001 b6eab000 00000004 00000000 [ 98.888942] 5fc0: 00000004 00000004 b6ff2e00 00000004 00000001 00000000 00020000 beb49a54 [ 98.897143] 5fe0: 00000004 beb49788 b6f6094f b6ee6c66 # Segmentation fault # [ 98.210135] lkdtm: Performing direct entry BUG # [ 98.214901] ------------[ cut here ]------------ # [ 98.219531] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 98.224774] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 98.229935] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 98.259230] CPU: 0 PID: 784 Comm: cat Not tainted 5.10.129-cip12 #1 # [ 98.265519] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.272091] PC is at lkdtm_BUG+0x14/0x18 # [ 98.276045] LR is at lkdtm_do_action+0x2c/0x4c # [ 98.280512] pc : [] lr : [] psr: a00e0013 # [ 98.286801] sp : c6f25e58 ip : c6f25e68 fp : c6f25e64 # [ 98.292046] r10: 00000004 r9 : c1acb738 r8 : c15e7d40 # [ 98.297291] r7 : c6f25f60 r6 : 00000004 r5 : c5fa5000 r4 : 00000001 # [ 98.303840] r3 : c0c2d5ac r2 : 5bbaa13e r1 : ef7815e0 r0 : c15e7d48 # [ 98.310392] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 98.317550] Control: 10c5387d Table: 16f3c04a DAC: 00000051 # [ 98.323319] Process cat (pid: 784, stack limit = 0x73aae2d4) # [ 98.329003] Stack: (0xc6f25e58 to 0xc6f26000) # [ 98.333390] 5e40: c6f25e74 c6f25e68 # [ 98.341601] 5e60: c0c2d040 c0c2d5b8 c6f25e9c c6f25e78 c0c2d540 c0c2d020 c0c2d420 c4783900 # [ 98.349809] 5e80: b6eab000 00000004 c536a540 c6f25f60 c6f25ec4 c6f25ea0 c07f4c60 c0c2d42c # [ 98.358018] 5ea0: 00000000 c4783900 b6eab000 c2816000 c6f25f60 c07f4bfc c6f25f5c c6f25ec8 # [ 98.366225] 5ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6f24000 # [ 98.374432] 5ee0: b6eab000 00020000 00000004 00000004 0001fffc c6f25ee0 00000001 b6eaa000 # [ 98.382638] 5f00: c5acf680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 98.390845] 5f20: 00000000 00000000 c136d588 5bbaa13e c205c080 c4783900 c4783900 c6f24000 # [ 98.399053] 5f40: b6eab000 00000000 00000000 00000004 c6f25f94 c6f25f60 c05988bc c0598228 # [ 98.407260] 5f60: 00000000 00000000 c6f25fac 5bbaa13e 00000004 00000004 b6ff2e00 00000004 # [ 98.415468] 5f80: c03002e4 c6f24000 c6f25fa4 c6f25f98 c059894c c0598854 00000000 c6f25fa8 # [ 98.423675] 5fa0: c03000c0 c0598940 00000004 00000004 00000001 b6eab000 00000004 00000000 # [ 98.431882] 5fc0: 00000004 00000004 b6ff2e00 00000004 00000001 00000000 00020000 beb49a54 # [ 98.440090] 5fe0: 00000004 beb49788 b6f6094f b6ee6c66 800e0030 00000001 00000000 00000000 # [ 98.448283] Backtrace: # [ 98.450783] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.458394] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.466442] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.474393] r9:c6f25f60 r8:c536a540 r7:00000004 r6:b6eab000 r5:c4783900 r4:c0c2d420 # [ 98.482177] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.490040] r9:c07f4bfc r8:c6f25f60 r7:c2816000 r6:b6eab000 r5:c4783900 r4:00000000 # [ 98.497817] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.504983] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c6f24000 r5:c4783900 # [ 98.512832] r4:c4783900 # [ 98.515398] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.522564] r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000004 r4:00000004 # [ 98.530342] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.537931] Exception stack(0xc6f25fa8 to 0xc6f25ff0) # [ 98.543012] 5fa0: 00000004 00000004 00000001 b6eab000 00000004 00000000 # [ 98.551219] 5fc0: 00000004 00000004 b6ff2e00 00000004 00000001 00000000 00020000 beb49a54 # [ 98.559419] 5fe0: 00000004 beb49788 b6f6094f b6ee6c66 # [ 98.564502] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 98.570629] ---[ end trace 315d618f037af17b ]--- # [ 98.575274] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 98.584170] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 784, name: cat # [ 98.591843] INFO: lockdep is turned off. # [ 98.595784] irq event stamp: 1546 # [ 98.599141] hardirqs last enabled at (1545): [] console_unlock+0x4b0/0x6c0 # [ 98.607003] hardirqs last disabled at (1546): [] __und_svc+0x60/0x6c # [ 98.614255] softirqs last enabled at (1474): [] __do_softirq+0x378/0x5fc # [ 98.621940] softirqs last disabled at (1467): [] __irq_exit_rcu+0x178/0x1d0 # [ 98.629797] CPU: 0 PID[ 99.423151] lkdtm: Performing direct entry WARNING : 784 Comm: cat Tainted: G D[ 99.428195] ------------[ cut here ]------------ 5.10.129-cip12 #1 # [[ 99.435870] WARNING: CPU: 3 PID: 855 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 98.637474] Hardware name: Free[ 99.447058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 scale i.MX6 Quad/DualLite (Device[ 99.478824] CPU: 3 PID: 855 Comm: cat Tainted: G D W 5.10.129-cip12 #1 Tree) # [ 98.644019] Backtrac[ 99.489210] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e: # [ 98.646521] [[ 99.498602] Backtrace: ] (dump_backtrace) from [] (dump_backtrace) from [] (show_stack+0x20/0x24) 0>] (show_stack+0x20/0x24) # [ [ 99.514351] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 98.654119] r7:ffffffff r6:600e0[ 99.522876] [] (show_stack) from [] (dump_stack+0xe0/0x100) 093 r5:00000000 r4:c1f0f6a8 # [ [ 99.533050] [] (dump_stack) from [] (__warn+0xfc/0x16c) 98.659810] [] (show_s[ 99.542871] r9:00000009 r8:c0c2d60c r7:00000053 r6:00000009 r5:c0c2d60c r4:c1acbdf4 tack) from [] (dump_sta[ 99.553480] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ck+0xe0/0x100) # [ 98.667160] [ 99.563819] r7:00000053 r6:c1acbdf4 r5:00000000 r4:c6b5e000 [] (dump_stack) from [<[ 99.572352] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) c038e384>] (___might_sleep+0x1b0/[ 99.583296] r9:c1acb73c r8:c15e7d40 r7:c6b5ff60 r6:00000008 r5:c5ea8000 r4:00000002 0x2c0) # [ 98.674935] r9:600e[ 99.593906] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 0093 r8:0000000b r7:c035bb84 r6:0[ 99.604684] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0000031 r5:c19c81c4 r4:c6f24000 [ 99.615554] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.682712] [] (__[ 99.626325] r9:c6b5ff60 r8:c536a540 r7:00000008 r6:b6e1d000 r5:c5aceb40 r4:c0c2d420 _might_sleep) from [] ([ 99.636938] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) __might_sleep+0x70/0xb0) # [ 9[ 99.647626] r9:c07f4bfc r8:c6b5ff60 r7:c2816000 r6:b6e1d000 r5:c5aceb40 r4:00000000 8.690568] r6:00000000 r5:0000003[ 99.658233] [] (vfs_write) from [] (ksys_write+0x74/0xec) 1 r4:c19c81c4 # [ 98.695228] [[ 99.668228] r10:00000004 r9:00000000 r8:00000000 r7:b6e1d000 r6:c6b5e000 r5:c5aceb40 ] (__might_sleep) from [ 99.678917] r4:c5aceb40 [] (exit_signals+0x4c/0[ 99.684320] [] (ksys_write) from [] (sys_write+0x18/0x1c) x3fc) # [ 98.702996] r6:00000[ 99.694318] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6f64e00 r5:00000008 r4:00000008 001 r5:c6f24000 r4:c5da0d80[ 99.704928] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.714834] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) [ 99.719893] ffa0: 00000008 00000008 00000001 b6e1d000 00000008 00000000 # [ 98.707658] [] (ex[ 99.728247] ffc0: 00000008 00000008 b6f64e00 00000004 00000001 00000000 00020000 bea2fa54 it_signals) from [] (do[ 99.739286] ffe0: 00000004 bea2f788 b6ed294f b6e58c66 _exit+0x10c/0xb4c) # [ 98.7149[ 99.747273] irq event stamp: 0 96] r8:0000000b r7:c1e0fc0c r6:f[ 99.753149] hardirqs last enabled at (0): [<00000000>] 0x0 fffe000 r5:00000000 r4:c5da0d80 [ 99.761588] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 98.721733] [] (do[ 99.771929] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c _exit) from [] (die+0x3[ 99.782296] softirqs last disabled at (0): [<00000000>] 0x0 74/0x380) # [ 98.728281] r7:c[ 99.790710] ---[ end trace 315d618f037af17c ]--- 1e0fc0c # [ 98.730846] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 98.737926] r10:00000004 r9:c6f24000 r8:c15e7d40 r7:00000000 r6:c6f25dc8 r5:c0c2d5c0 # [ 98.745775] r4:e7f001f2 # [ 98.748343] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 98.756280] Exception stack(0xc6f25dc8 to 0xc6f25e10) # [ 98.761362] 5dc0: c15e7d48 ef7815e0 5bbaa13e c0c2d5ac 00000001 c5fa5000 # [ 98.769571] 5de0: 00000004 c6f25f60 c15e7d40 c1acb738 00000004 c6f25e64 c6f25e68 c6f25e58 # [ 98.777773] 5e00: c0c2d040 c0c2d5c0 a00e0013 ffffffff # [ 98.782850] r7:c6f25dfc r6:ffffffff r5:a00e0013 r4:c0c2d5c4 # [ 98.788552] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.796156] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.804194] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.812141] r9:c6f25f60 r8:c536a540 r7:00000004 r6:b6eab000 r5:c4783900 r4:c0c2d420 # [ 98.819917] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.827777] r9:c07f4bfc r8:c6f25f60 r7:c2816000 r6:b6eab000 r5:c4783900 r4:00000000 # [ 98.835550] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.842716] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c6f24000 r5:c4783900 # [ 98.850564] r4:c4783900 # [ 98.853128] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.860292] r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000004 r4:00000004 # [ 98.868067] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.875655] Exception stack(0xc6f25fa8 to 0xc6f25ff0) # [ 98.880735] 5fa0: 00000004 00000004 00000001 b6eab000 00000004 00000000 # [ 98.888942] 5fc0: 00000004 00000004 b6ff2e00 00000004 00000001 00000000 00020000 beb49a54 # [ 98.897143] 5fe0: 00000004 beb49788 b6f6094f b6ee6c66 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 99.423151] lkdtm: Performing direct entry WARNING # [ 99.428195] ------------[ cut here ]------------ # [ 99.435870] WARNING: CPU: 3 PID: 855 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 99.447058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 99.478824] CPU: 3 PID: 855 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 99.489210] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.498602] Backtrace: # [ 99.503926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.514351] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 99.522876] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.533050] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 99.542871] r9:00000009 r8:c0c2d60c r7:00000053 r6:00000009 r5:c0c2d60c r4:c1acbdf4 # [ 99.553480] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.563819] r7:00000053 r6:c1acbdf4 r5:00000000 r4:c6b5e000 # [ 99.572352] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 99.583296] r9:c1acb73c r8:c15e7d40 r7:c6b5ff60 r6:00000008 r5:c5ea8000 r4:00000002 # [ 99.593906] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.604684] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.615554] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.626325] r9:c6b5ff60 r8:c536a540 r7:00000008 r6:b6e1d000 r5:c5aceb40 r4:c0c2d420 # [ 99.636938] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.647626] r9:c07f4bfc r8:c6b5ff60 r7:c2816000 r6:b6e1d000 r5:c5aceb40 r4[ 100.158687] lkdtm: Performing direct entry WARNING_MESSAGE :00000000 # [ 99.658233] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ [ 100.183975] Warning message trigger count: 2 99.668228] r10:00000004 r9:000[ 100.191066] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 00000 r8:00000000 r7:b6e1d000 r6:[ 100.222859] CPU: 1 PID: 890 Comm: cat Tainted: G D W 5.10.129-cip12 #1 c6b5e000 r5:c5aceb40 # [ 99.67[ 100.233254] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8917] r4:c5aceb40 # [ 99.6843[ 100.242642] Backtrace: 20] [] (ksys_write) fro[ 100.247964] [] (dump_backtrace) from [] (show_stack+0x20/0x24) m [] (sys_write+0x18/0x[ 100.258379] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 1c) # [ 99.694318] r9:c6b5e00[ 100.266901] [] (show_stack) from [] (dump_stack+0xe0/0x100) 0 r8:c03002e4 r7:00000004 r6:b6f6[ 100.277070] [] (dump_stack) from [] (__warn+0xfc/0x16c) 4e00 r5:00000008 r4:00000008 # [[ 100.286887] r9:00000009 r8:c0c2d65c r7:00000058 r6:00000009 r5:c0c2d65c r4:c1acbdf4 99.704928] [] (sys_w[ 100.297492] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) rite) from [] (ret_fast[ 100.307828] r7:00000058 r6:c1acbdf4 r5:c1acbe10 r4:c6f1a000 _syscall+0x0/0x28) # [ 99.7148[ 100.316352] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 34] Exception stack(0xc6b5ffa8 to[ 100.327992] r9:c1acb744 r8:c15e7d40 r7:c6f1bf60 r6:00000010 r5:c6d01000 r4:00000003 0xc6b5fff0) # [ 99.719893] ff[ 100.338595] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) a0: 00000008 00[ 100.350064] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 000008 00000001 b6e1d000 00000008[ 100.360929] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00000000 # [ 99.728247] ffc0:[ 100.371701] r9:c6f1bf60 r8:c536a540 r7:00000010 r6:b6e99000 r5:c5b3ab40 r4:c0c2d420 00000008 00000008 b6f64e00 00000[ 100.382309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 004 00000001 00000000 00020000 be[ 100.392992] r9:c07f4bfc r8:c6f1bf60 r7:c2816000 r6:b6e99000 r5:c5b3ab40 r4:00000000 a2fa54 # [ 99.739286] ffe0: 00[ 100.403596] [] (vfs_write) from [] (ksys_write+0x74/0xec) 000004 bea2f788 b6ed294f b6e58c66[ 100.413591] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c6f1a000 r5:c5b3ab40 # [ 99.747273] irq event stam[ 100.424271] r4:c5b3ab40 p: 0 # [ 99.753149] hardirqs l[ 100.429671] [] (ksys_write) from [] (sys_write+0x18/0x1c) ast enabled at (0): [<00000000>][ 100.439662] r9:c6f1a000 r8:c03002e4 r7:00000004 r6:b6fe0e00 r5:00000010 r4:00000010 0x0 # [ 99.761588] hardirqs l[ 100.450269] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ast disabled at (0): [][ 100.460691] Exception stack(0xc6f1bfa8 to 0xc6f1bff0) copy_process+0x5c8/0x194c # [ [ 100.468605] bfa0: 00000010 00000010 00000001 b6e99000 00000010 00000000 99.771929] softirqs last enable[ 100.479639] bfc0: 00000010 00000010 b6fe0e00 00000004 00000001 00000000 00020000 be9e3a54 d at (0): [] copy_proce[ 100.490676] bfe0: 00000004 be9e3788 b6f4e94f b6ed4c66 ss+0x5c8/0x194c # [ 99.782296][ 100.498666] irq event stamp: 0 softirqs last disabled at (0): [[ 100.504539] hardirqs last enabled at (0): [<00000000>] 0x0 <00000000>] 0x0 # [ 99.790710][ 100.512991] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c ---[ end trace 315d618f037af17c [ 100.523320] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c ]--- # WARNING: saw 'WARNING:': [ 100.533682] softirqs last disabled at (0): [<00000000>] 0x0 ok ok 3 selftests: lkdtm: WARNIN[ 100.542100] ---[ end trace 315d618f037af17d ]--- G.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 100.158687] lkdtm: Performing direct entry WARNING_MESSAGE # [ 100.164466] ------------[ cut here ]------------ # [ 100.172090] WARNING: CPU: 1 PID: 890 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 100.183975] Warning message trigger count: 2 # [ 100.191066] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 100.222859] CPU: 1 PID: 890 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 100.233254] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.242642] Backtrace: # [ 100.247964] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.258379] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 100.266901] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.277070] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 100.286887] r9:00000009 r8:c0c2d65c r7:00000058 r6:00000009 r5:c0c2d65c r4:c1acbdf4 # [ 100.297492] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.307828] r7:00000058 r6:c1acbdf4 r5:c1acbe10 r4:c6f1a000 # [ 100.316352] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 100.327992] r9:c1acb744 r8:c15e7d40 r7:c6f1bf60 r6:00000010 r5:c6d01000 r4:00000003 # [ 100.338595] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.350064] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.360929] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.371701] r9:c6f1bf60 r8:c536a540 r7:00000010 r6:b6e99000 r5:c5b3ab40 r4:c0c2d420 # [ 100.382309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.392992] r9:c07f4bfc r8:c6f1bf60 r7:c2816000 r6:b6e99000 r5:c5b3ab40 r4:00000000 # [ 100.403596] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.413591] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c6f1a000 r5:c5b3ab40 # [ 100.424271] r4:c5b3ab40 # [ 100.429671] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.439662] r9:c6f1a000 r8:c03002e4 r7:00000004 r6:b6fe0e00 r5:00000010 r4:00000010 # [ 100.450269] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.460691] Exception stack(0xc6f1bfa8 to 0xc6f1bff0) # [ 100.468605] bfa0: 00000010 00000010 00000001 b6e99000 00000010 00000000 # [ 100.479639] bfc0: 00000010 00000010 b6fe0e00 00000004 00000001 00000000 00020000 be9e3a54 # [ 100.490676] bfe0: 00000004 be9e3788 b6f4e94f b6ed4c66 # [ 100.498666] irq event stamp: 0 # [ 100.504539] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.512991] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 100.523320] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 100.533682] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.542100] ---[ end trace 315d618f037af17d ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNIN[ 100.894075] lkdtm: Performing direct entry EXCEPTION G_MESSAGE.sh # selftests: lkdtm:[ 100.900429] 8<--- cut here --- EXCEPTION.sh [ 100.906129] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 100.915547] pgd = 27ed86a8 [ 100.918291] [00000000] *pgd=00000000 [ 100.921945] Internal error: Oops: 805 [#2] SMP ARM [ 100.926759] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 100.956052] CPU: 3 PID: 922 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 100.963731] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 100.970306] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 100.974779] LR is at lkdtm_do_action+0x2c/0x4c [ 100.979247] pc : [] lr : [] psr: a00e0013 [ 100.985535] sp : c6951e58 ip : c6951e68 fp : c6951e64 [ 100.990779] r10: 0000000a r9 : c1acb754 r8 : c15e7d40 [ 100.996025] r7 : c6951f60 r6 : 0000000a r5 : c5ea8000 r4 : 00000004 [ 101.002574] r3 : 00000000 r2 : 5e7d951c r1 : ef7c05e0 r0 : c15e7d60 [ 101.009127] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 101.016286] Control: 10c5387d Table: 16d9804a DAC: 00000051 [ 101.022058] Process cat (pid: 922, stack limit = 0x09fa91c2) [ 101.027741] Stack: (0xc6951e58 to 0xc6952000) [ 101.032126] 1e40: c6951e74 c6951e68 [ 101.040336] 1e60: c0c2d040 c0c2d670 c6951e9c c6951e78 c0c2d540 c0c2d020 c0c2d420 c5ae83c0 [ 101.048544] 1e80: b6e81000 0000000a c536a540 c6951f60 c6951ec4 c6951ea0 c07f4c60 c0c2d42c [ 101.056751] 1ea0: 00000000 c5ae83c0 b6e81000 c2816000 c6951f60 c07f4bfc c6951f5c c6951ec8 [ 101.064959] 1ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6950000 [ 101.073167] 1ee0: b6e81000 00020000 00000004 0000000a 0001fff6 c6951ee0 00000001 b6e80000 [ 101.081373] 1f00: c5b3b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 101.089580] 1f20: 00000000 00000000 c136d588 5e7d951c c205c080 c5ae83c0 c5ae83c0 c6950000 [ 101.097788] 1f40: b6e81000 00000000 00000000 00000004 c6951f94 c6951f60 c05988bc c0598228 [ 101.105995] 1f60: 00000000 00000000 c6951fac 5e7d951c 0000000a 0000000a b6fc8e00 00000004 [ 101.114203] 1f80: c03002e4 c6950000 c6951fa4 c6951f98 c059894c c0598854 00000000 c6951fa8 [ 101.122410] 1fa0: c03000c0 c0598940 0000000a 0000000a 00000001 b6e81000 0000000a 00000000 [ 101.130617] 1fc0: 0000000a 0000000a b6fc8e00 00000004 00000001 00000000 00020000 befaca54 [ 101.138827] 1fe0: 00000004 befac788 b6f3694f b6ebcc66 800e0030 00000001 00000000 00000000 [ 101.147020] Backtrace: [ 101.149524] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 101.157652] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 101.165698] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 101.173650] r9:c6951f60 r8:c536a540 r7:0000000a r6:b6e81000 r5:c5ae83c0 r4:c0c2d420 [ 101.181434] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 101.189297] r9:c07f4bfc r8:c6951f60 r7:c2816000 r6:b6e81000 r5:c5ae83c0 r4:00000000 [ 101.197076] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 101.204244] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c6950000 r5:c5ae83c0 [ 101.212094] r4:c5ae83c0 [ 101.214661] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 101.221826] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:0000000a r4:0000000a [ 101.229604] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 101.237195] Exception stack(0xc6951fa8 to 0xc6951ff0) [ 101.242274] 1fa0: 0000000a 0000000a 00000001 b6e81000 0000000a 00000000 [ 101.250482] 1fc0: 0000000a 0000000a b6fc8e00 00000004 00000001 00000000 00020000 befaca54 [ 101.258685] 1fe0: 00000004 befac788 b6f3694f b6ebcc66 [ 101.263766] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 101.269986] ---[ end trace 315d618f037af17e ]--- # Segmentation fault # [ 100.894075] lkdtm: Performing direct entry EXCEPTION # [ 100.900429] 8<--- cut here --- # [ 100.906129] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 100.915547] pgd = 27ed86a8 # [ 100.918291] [00000000] *pgd=00000000 # [ 100.921945] Internal error: Oops: 805 [#2] SMP ARM # [ 100.926759] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 100.956052] CPU: 3 PID: 922 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 100.963731] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.970306] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 100.974779] LR is at lkdtm_do_action+0x2c/0x4c # [ 100.979247] pc : [] lr : [] psr: a00e0013 # [ 100.985535] sp : c6951e58 ip : c6951e68 fp : c6951e64 # [ 100.990779] r10: 0000000a r9 : c1acb754 r8 : c15e7d40 # [ 100.996025] r7 : c6951f60 r6 : 0000000a r5 : c5ea8000 r4 : 00000004 # [ 101.002574] r3 : 00000000 r2 : 5e7d951c r1 : ef7c05e0 r0 : c15e7d60 # [ 101.009127] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 101.016286] Control: 10c5387d Table: 16d9804a DAC: 00000051 # [ 101.022058] Process cat (pid: 922, stack limit = 0x09fa91c2) # [ 101.027741] Stack: (0xc6951e58 to 0xc6952000) # [ 101.032126] 1e40: c6951e74 c6951e68 # [ 101.040336] 1e60: c0c2d040 c0c2d670 c6951e9c c6951e78 c0c2d540 c0c2d020 c0c2d420 c5ae83c0 # [ 101.048544] 1e80: b6e81000 0000000a c536a540 c6951f60 c6951ec4 c6951ea0 c07f4c60 c0c2d42c # [ 101.056751] 1ea0: 00000000 c5ae83c0 b6e81000 c2816000 c6951f60 c07f4bfc c6951f5c c6951ec8 # [ 101.064959] 1ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6950000 # [ 101.073167] 1ee0: b6e81000 00020000 00000004 0000000a 0001fff6 c6951ee0 00000001 b6e80000 # [ 101.081373] 1f00: c5b3b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 101.089580] 1f20: 00000000 00000000 c136d588 5e7d951c c205c080 c5ae83c0 c5ae83c0 c6950000 # [ 101.097788] 1f40: b6e81000 00000000 00000000 00000004 c6951f94 c6951f60 c05988bc c0598228 # [ 101.105995] 1f60: 00000000 00000000 c6951fac 5e7d951c 0000000a 0000000a b6fc8e00 00000004 # [ 101.114203] 1f80: c03002e4 c6950000 c6951fa4 c6951f98 c059894c c0598854 00000000 c6951fa8 # [ 101.122410] 1fa0: c03000c0 c0598940 0000000a 0000000a 00000001 b6e81000 0000000a 00000000 # [ 101.130617] 1fc0: 0000000a 0000000a b6fc8e00 00000004 00000001 00000000 00020000 befaca54 # [ 101.138827] 1fe0: 00000004 befac788 b6f3694f b6ebcc66 800e0030 00000001 00000000 00000000 # [ 101.147020] Backtrace: # [ 101.149524] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.157652] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.165698] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.173650] r9:c6951f60 r8:c536a540 r7:0000000a r6:b6e81000 r5:c5ae83c0 r4:c0c2d420 # [ 101.181434] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.189297] r9:c07f4bfc r8:c6951f60 r7:c2816000 r6:b6e81000 r5:c5ae83c0 r4:00000000 # [ 101.197076] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.204244] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c6950000 r5:c5ae83c0 # [ 101.212094] r4:c5ae83c0 # [ 101.214661] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.221826] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:0000000a r4:0000000a # [ 101.229604] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.237195] Exception stack(0xc6951fa8 to 0xc6951ff0) # [ 101.242274] 1fa0: 0000000a 0000000a 00000001 b6e81000 0000000a 00000000 # [ 101.250482] 1fc0: 0000000a 0000000a b6fc8e00 00000004 00000001 00000000 00020000 befaca54 # [ 101.258685] 1fe0: 00000004 befac788 b6f3694f b6ebcc66 # [ 101.263766] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 101.269986] ---[ end trace 315d618f037af17e ]--- # 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 [ 102.486634] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 102.492369] lkdtm: attempting good list addition [ 102.497027] lkdtm: attempting corrupted list addition [ 102.502130] lkdtm: list_add() corruption not detected! # [ 102.486634] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 102.492369] lkdtm: attempting good list addition # [ 102.497027] lkdtm: attempting corrupted list addition # [ 102.502130] 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 [ 102.849671] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 102.855265] lkdtm: attempting good list removal [ 102.859982] lkdtm: attempting corrupted list removal [ 102.865020] lkdtm: list_del() corruption not detected! # [ 102.849671] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 102.855265] lkdtm: attempting good list removal # [ 102.859982] lkdtm: attempting corrupted list removal # [ 102.865020] 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 [ 103.205775] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 103.212262] lkdtm: attempting bad read from page below current stack [ 103.218662] lkdtm: FAIL: accessed page before stack! (byte: 3f) # [ 103.205775] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 103.212262] lkdtm: attempting bad read from page below current stack # [ 103.218662] lkdtm: FAIL: accessed page before stack! (byte: 3f) # 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 [ 103.563451] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 103.569926] lkdtm: attempting bad read from page above current stack [ 103.576294] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 103.563451] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 103.569926] lkdtm: attempting bad read from page above current stack # [ 103.576294] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh [ 103.931130] lkdtm: Performing direct entry UNSET_SMEP [ 103.936203] lkdtm: XFAIL: this test is x86_64-only # [ 103.931130] lkdtm: Performing direct entry UNSET_SMEP # [ 103.936203] 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 [ 104.280511] lkdtm: Performing direct entry DOUBLE_FAULT [ 104.285758] lkdtm: XFAIL: this test is ia32-only # [ 104.280511] lkdtm: Performing direct entry DOUBLE_FAULT # [ 104.285758] 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 [ 104.624790] lkdtm: Performing direct entry CORRUPT_PAC [ 104.630012] lkdtm: XFAIL: this test is arm64-only # [ 104.624790] lkdtm: Performing direct entry CORRUPT_PAC # [ 104.630012] 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 [ 104.973859] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 104.980403] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 104.973859] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 104.980403] 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 [ 105.706160] lkdtm: Performing direct entry READ_AFTER_FREE [ 105.711807] lkdtm: Value in memory before free: 12345678 [ 105.717161] lkdtm: Attempting bad read from freed memory [ 105.722563] lkdtm: Memory was not poisoned # [ 105.706160] lkdtm: Performing direct entry READ_AFTER_FREE # [ 105.711807] lkdtm: Value in memory before free: 12345678 # [ 105.717161] lkdtm: Attempting bad read from freed memory # [ 105.722563] 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 [ 106.246380] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 106.252618] lkdtm: Value in memory before free: 12345678 [ 106.257973] lkdtm: Attempting to read from freed memory [ 106.263251] lkdtm: Buddy page was not poisoned # [ 106.246380] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 106.252618] lkdtm: Value in memory before free: 12345678 # [ 106.257973] lkdtm: Attempting to read from freed memory # [ 106.263251] 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 [ 106.593355] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 106.598961] lkdtm: Attempting double slab free ... # [ 106.593355] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 106.598961] 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 [ 106.930485] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 106.936004] lkdtm: Attempting cross-cache slab free ... # [ 106.930485] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 106.936004] 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 [ 107.271219] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 107.276645] lkdtm: Attempting non-Slab slab free ... # [ 107.271219] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 107.276645] 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 [ 108.363870] lkdtm: Performing direct entry EXEC_DATA [ 108.368862] lkdtm: attempting ok execution at c0c2ddb0 [ 108.374143] lkdtm: attempting bad execution at c26f674c [ 108.379390] 8<--- cut here --- [ 108.382466] Unable to handle kernel paging request at virtual address c26f674c [ 108.389714] pgd = 888cd6fc [ 108.392444] [c26f674c] *pgd=1261141e(bad) [ 108.396509] Internal error: Oops: 8000000d [#3] SMP ARM [ 108.401760] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 108.431050] CPU: 1 PID: 1765 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 108.438815] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 108.445376] PC is at data_area+0x0/0x40 [ 108.449253] LR is at execute_location+0xa4/0xb4 [ 108.453808] pc : [] lr : [] psr: 600e0013 [ 108.460096] sp : c6a8de38 ip : 00000027 fp : c6a8de54 [ 108.465341] r10: 0000000a r9 : c1acb938 r8 : c15e7d40 [ 108.470587] r7 : c6a8df60 r6 : 00000001 r5 : c26f674c r4 : c0c2ddb0 [ 108.477137] r3 : 464b6c97 r2 : 464b6c97 r1 : ef7965e4 r0 : 0000002b [ 108.483688] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 108.490846] Control: 10c5387d Table: 16f1c04a DAC: 00000051 [ 108.496615] Process cat (pid: 1765, stack limit = 0xc2379cb6) [ 108.502385] Stack: (0xc6a8de38 to 0xc6a8e000) [ 108.506770] de20: 0000001f c6cbb000 [ 108.514979] de40: 0000000a c6a8df60 c6a8de64 c6a8de58 c1357fa4 c1357da0 c6a8de74 c6a8de68 [ 108.523188] de60: c0c2d040 c1357f8c c6a8de9c c6a8de78 c0c2d540 c0c2d020 c0c2d420 c29c97c0 [ 108.531396] de80: b6e43000 0000000a c536a540 c6a8df60 c6a8dec4 c6a8dea0 c07f4c60 c0c2d42c [ 108.539603] dea0: 00000000 c29c97c0 b6e43000 c2816000 c6a8df60 c07f4bfc c6a8df5c c6a8dec8 [ 108.547811] dec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6a8c000 [ 108.556019] dee0: b6e43000 00020000 00000004 0000000a 0001fff6 c6a8dee0 00000001 b6e42000 [ 108.564225] df00: c5b24000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 108.572432] df20: 00000000 00000000 c136d588 464b6c97 c205c080 c29c97c0 c29c97c0 c6a8c000 [ 108.580639] df40: b6e43000 00000000 00000000 00000004 c6a8df94 c6a8df60 c05988bc c0598228 [ 108.588847] df60: 00000000 00000000 c6a8dfac 464b6c97 0000000a 0000000a b6f8ae00 00000004 [ 108.597055] df80: c03002e4 c6a8c000 c6a8dfa4 c6a8df98 c059894c c0598854 00000000 c6a8dfa8 [ 108.605262] dfa0: c03000c0 c0598940 0000000a 0000000a 00000001 b6e43000 0000000a 00000000 [ 108.613468] dfc0: 0000000a 0000000a b6f8ae00 00000004 00000001 00000000 00020000 bec09a54 [ 108.621674] dfe0: 00000004 bec09788 b6ef894f b6e7ec66 800e0030 00000001 00000000 00000000 [ 108.629868] Backtrace: [ 108.632377] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 108.640586] r7:c6a8df60 r6:0000000a r5:c6cbb000 r4:0000001f [ 108.646293] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 108.654423] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 108.662469] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 108.670419] r9:c6a8df60 r8:c536a540 r7:0000000a r6:b6e43000 r5:c29c97c0 r4:c0c2d420 [ 108.678203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 108.686065] r9:c07f4bfc r8:c6a8df60 r7:c2816000 r6:b6e43000 r5:c29c97c0 r4:00000000 [ 108.693844] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 108.701012] r10:00000004 r9:00000000 r8:00000000 r7:b6e43000 r6:c6a8c000 r5:c29c97c0 [ 108.708863] r4:c29c97c0 [ 108.711433] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 108.718602] r9:c6a8c000 r8:c03002e4 r7:00000004 r6:b6f8ae00 r5:0000000a r4:0000000a [ 108.726384] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 108.733977] Exception stack(0xc6a8dfa8 to 0xc6a8dff0) [ 108.739060] dfa0: 0000000a 0000000a 00000001 b6e43000 0000000a 00000000 [ 108.747268] dfc0: 0000000a 0000000a b6f8ae00 00000004 00000001 00000000 00020000 bec09a54 [ 108.755469] dfe0: 00000004 bec09788 b6ef894f b6e7ec66 [ 108.760556] Code: 00000000 c2e389c0 c2e38a80 c2e38b40 (e1a0c00d) [ 108.766682] ---[ end trace 315d618f037af17f ]--- # Segmentation fault # [ 108.363870] lkdtm: Performing direct entry EXEC_DATA # [ 108.368862] lkdtm: attempting ok execution at c0c2ddb0 # [ 108.374143] lkdtm: attempting bad execution at c26f674c # [ 108.379390] 8<--- cut here --- # [ 108.382466] Unable to handle kernel paging request at virtual address c26f674c # [ 108.389714] pgd = 888cd6fc # [ 108.392444] [c26f674c] *pgd=1261141e(bad) # [ 108.396509] Internal error: Oops: 8000000d [#3] SMP ARM # [ 108.401760] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 108.431050] CPU: 1 PID: 1765 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 108.438815] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.445376] PC is at data_area+0x0/0x40 # [ 108.449253] LR is at execute_location+0xa4/0xb4 # [ 108.453808] pc : [] lr : [] psr: 600e0013 # [ 108.460096] sp : c6a8de38 ip : 00000027 fp : c6a8de54 # [ 108.465341] r10: 0000000a r9 : c1acb938 r8 : c15e7d40 # [ 108.470587] r7 : c6a8df60 r6 : 00000001 r5 : c26f674c r4 : c0c2ddb0 # [ 108.477137] r3 : 464b6c97 r2 : 464b6c97 r1 : ef7965e4 r0 : 0000002b # [ 108.483688] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 108.490846] Control: 10c5387d Table: 16f1c04a DAC: 00000051 # [ 108.496615] Process cat (pid: 1765, stack limit = 0xc2379cb6) # [ 108.502385] Stack: (0xc6a8de38 to 0xc6a8e000) # [ 108.506770] de20: 0000001f c6cbb000 # [ 108.514979] de40: 0000000a c6a8df60 c6a8de64 c6a8de58 c1357fa4 c1357da0 c6a8de74 c6a8de68 # [ 108.523188] de60: c0c2d040 c1357f8c c6a8de9c c6a8de78 c0c2d540 c0c2d020 c0c2d420 c29c97c0 # [ 108.531396] de80: b6e43000 0000000a c536a540 c6a8df60 c6a8dec4 c6a8dea0 c07f4c60 c0c2d42c # [ 108.539603] dea0: 00000000 c29c97c0 b6e43000 c2816000 c6a8df60 c07f4bfc c6a8df5c c6a8dec8 # [ 108.547811] dec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6a8c000 # [ 108.556019] dee0: b6e43000 00020000 00000004 0000000a 0001fff6 c6a8dee0 00000001 b6e42000 # [ 108.564225] df00: c5b24000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 108.572432] df20: 00000000 00000000 c136d588 464b6c97 c205c080 c29c97c0 c29c97c0 c6a8c000 # [ 108.580639] df40: b6e43000 00000000 00000000 00000004 c6a8df94 c6a8df60 c05988bc c0598228 # [ 108.588847] df60: 00000000 00000000 c6a8dfac 464b6c97 0000000a 0000000a b6f8ae00 00000004 # [ 108.597055] df80: c03002e4 c6a8c000 c6a8dfa4 c6a8df98 c059894c c0598854 00000000 c6a8dfa8 # [ 108.605262] dfa0: c03000c0 c0598940 0000000a 0000000a 00000001 b6e43000 0000000a 00000000 # [ 108.613468] dfc0: 0000000a 0000000a b6f8ae00 00000004 00000001 00000000 00020000 bec09a54 # [ 108.621674] dfe0: 00000004 bec09788 b6ef894f b6e7ec66 800e0030 00000001 00000000 00000000 # [ 108.629868] Backtrace: # [ 108.632377] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 108.640586] r7:c6a8df60 r6:0000000a r5:c6cbb000 r4:0000001f # [ 108.646293] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.654423] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.662469] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.670419] r9:c6a8df60 r8:c536a540 r7:0000000a r6:b6e43000 r5:c29c97c0 r4:c0c2d420 # [ 108.678203] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.686065] r9:c07f4bfc r8:c6a8df60 r7:c2816000 r6:b6e43000 r5:c29c97c0 r4:00000000 # [ 108.693844] [] (vfs_write) from [] (ksys_writ[ 109.213048] lkdtm: Performing direct entry EXEC_STACK e+0x74/0xec) # [ 108.701012] r[ 109.220871] lkdtm: attempting ok execution at c0c2ddb0 10:00000004 r9:00000000 r8:[0 0 009.228797] lkdtm: attempting bad execution at c5b53e0c 00000 r7:b6e43000 r6:c6a8c000 r5:[ 109.236669] 8<--- cut here --- c29c97c0 # [ 10[8 . 7100898.6232470] Unable to handle kernel paging request at virtual address c5b53e0c ] r4:c29[c 9 71c009. 2#5 1[7 7 ] pgd = 24bec7ec 108.711433] [] (ksy[s _109.256217] [c5b53e0c] *pgd=15a1141e(bad) write) from [.]2 2833] Internal error: Oops: 8000000d [#4] SMP ARM (sys_write+0x18/0x1c) # [ 108.7[ 109.270136] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 18602] r9:c6a8c000[ r 81:0c90.301841] CPU: 1 PID: 1841 Comm: cat Tainted: G D W 5.10.129-cip12 #1 002e4 r7[: 0 0100090.030141 7r465] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) b6f8ae00 r5:00000[0 0 a1 0r94.:300013] PC is at 0xc5b53e0c 000000a # [ 108.726384] [[< c 009.325244] LR is at execute_location+0xa4/0xb4 598934>] [( s y1s0_9w.r3i3t2e2)79] pc : [] lr : [] psr: 600e0013 from [4]0 2(8r0] sp : c5b53de8 ip : c5b53cf0 fp : c5b53e04 t_fast_sy[s c1a0l9l.+304x702/400] r10: 0000000b r9 : c1acb944 r8 : c15e7d40 28) # [[ 110089..733534917979] r7 : c5b53f60 r6 : 00000001 r5 : c5b53e0c r4 : c0c2ddb0 Excepti[o n 1s0t9a.c3k6(204x6c1] r3 : 5c7c30ee r2 : 5c7c30ee r1 : ef7965e0 r0 : 0000002b a8dfa8 to 0x[c 6 a180d9f.f307)0725] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 108.73[9 0 6100]9 .d3f7a97067] Control: 10c5387d Table: 16e7804a DAC: 00000051 [ 1 0 9 . 3 8 703033] Process cat (pid: 1841, stack limit = 0xbbba77b9) 0000a 000[0 0 0100a9 .03090409000] Stack: (0xc5b53de8 to 0xc5b54000) 01 b6e43000 000000[0 a1 0090.0400998] 3de0: c5b52000 c6cbb000 0000000b c5b53f60 c5b53e64 c5b53e08 0000 # [ 108.[7 4 7120698.]4 1d255] 3e00: c1357fe0 c1357da0 c5b53e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 fc0: 0000000a [0 0 0100090.04a2 1426] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30c3360 e34c31b7 6f8ae00 00000004[ 0 0100090.04031599] 3e40: e3a02040 e3a01d33 e5930018 5c7c30ee 0000000b 00000020 c5b53e74 c5b53e68 00000000 00020[0 0 01 0b9e.c4049855] 3e60: c0c2d040 c1357fb4 c5b53e9c c5b53e78 c0c2d540 c0c2d020 c0c2d420 c29c8780 a54 # [ 108.75[5 4 6190]9 .d4f52027] 3e80: b6e34000 0000000b c536a540 c5b53f60 c5b53ec4 c5b53ea0 c07f4c60 c0c2d42c 0: 00000004 b[e c 0190798.84 6b2686] 3ea0: 00000000 c29c8780 b6e34000 c2816000 c5b53f60 c07f4bfc c5b53f5c c5b53ec8 ef894f b6e7ec66[ # 1[0 9 .14072372] 3ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c5b52000 .760556] Code: 00[0 0 0100090. 4c2631] 3ee0: b6e34000 00020000 00000004 0000000b 0001fff5 c5b53ee0 00000001 b6e33000 2e389c0 c2e38[a 8 01 0c92.e43982b88] 3f00: c47b92c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 40 (e1a0c00d) [ #1 0[9 . 51002974] 3f20: 00000000 00000000 c136d588 5c7c30ee c205c080 c29c8780 c29c8780 c5b52000 .766682] ---[ end[ t r1a0c9e. 533146] 3f40: b6e34000 00000000 00000000 00000004 c5b53f94 c5b53f60 c05988bc c0598228 15d618f037af17[f ]1-0-9-.5 2#3404] 3f60: 00000000 00000000 c5b53fac 5c7c30ee 0000000b 0000000b b6f7be00 00000004 EXEC_DATA: miss[i n g1 0'9c.a5l3l576] 3f80: c03002e4 c5b52000 c5b53fa4 c5b53f98 c059894c c0598854 00000000 c5b53fa8 trace:': [FA[I L ]10 9n.o5t4 3o46] 3fa0: c03000c0 c0598940 0000000b 0000000b 00000001 b6e34000 0000000b 00000000 k 30 selftes[t s :1 0l9k.d5t5m3:832] 3fc0: 0000000b 0000000b b6f7be00 00000004 00000001 00000000 00020000 beb3ea54 EXEC_DATA.sh # exi[t = 110 9#. 563919] 3fe0: 00000004 beb3e788 b6ee994f b6e6fc66 800e0030 00000001 00000000 00000000 elftests: lkdtm[: E1X0E9C._5S7T257] Backtrace: ACK.sh [ 109.578711] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 109.587659] r7:c5b53f60 r6:0000000b r5:c6cbb000 r4:c5b52000 [ 109.593335] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.601516] r4:00000020 [ 109.604063] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.612080] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.620006] r9:c5b53f60 r8:c536a540 r7:0000000b r6:b6e34000 r5:c29c8780 r4:c0c2d420 [ 109.627763] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.635602] r9:c07f4bfc r8:c5b53f60 r7:c2816000 r6:b6e34000 r5:c29c8780 r4:00000000 [ 109.643355] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.650499] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c5b52000 r5:c29c8780 [ 109.658333] r4:c29c8780 [ 109.660874] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.668016] r9:c5b52000 r8:c03002e4 r7:00000004 r6:b6f7be00 r5:0000000b r4:0000000b [ 109.675769] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.683343] Exception stack(0xc5b53fa8 to 0xc5b53ff0) [ 109.688403] 3fa0: 0000000b 0000000b 00000001 b6e34000 0000000b 00000000 [ 109.696590] 3fc0: 0000000b 0000000b b6f7be00 00000004 00000001 00000000 00020000 beb3ea54 [ 109.704773] 3fe0: 00000004 beb3e788 b6ee994f b6e6fc66 [ 109.709836] Code: c5b53e08 c1357fe0 c1357da0 c5b53e6c (e1a0c00d) [ 109.715941] ---[ end trace 315d618f037af180 ]--- # Segmentation fault # [ 109.213048] lkdtm: Performing direct entry EXEC_STACK # [ 109.220871] lkdtm: attempting ok execution at c0c2ddb0 # [ 109.228797] lkdtm: attempting bad execution at c5b53e0c # [ 109.236669] 8<--- cut here --- # [ 109.242470] Unable to handle kernel paging request at virtual address c5b53e0c # [ 109.251772] pgd = 24bec7ec # [ 109.256217] [c5b53e0c] *pgd=15a1141e(bad) # [ 109.262833] Internal error: Oops: 8000000d [#4] SMP ARM # [ 109.270136] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 109.301841] CPU: 1 PID: 1841 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 109.311745] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.320013] PC is at 0xc5b53e0c # [ 109.325244] LR is at execute_location+0xa4/0xb4 # [ 109.332279] pc : [] lr : [] psr: 600e0013 # [ 109.340280] sp : c5b53de8 ip : c5b53cf0 fp : c5b53e04 # [ 109.347240] r10: 0000000b r9 : c1acb944 r8 : c15e7d40 # [ 109.354199] r7 : c5b53f60 r6 : 00000001 r5 : c5b53e0c r4 : c0c2ddb0 # [ 109.362461] r3 : 5c7c30ee r2 : 5c7c30ee r1 : ef7965e0 r0 : 0000002b # [ 109.370725] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.379767] Control: 10c5387d Table: 16e7804a DAC: 00000051 # [ 109.387333] Process cat (pid: 1841, stack limit = 0xbbba77b9) # [ 109.394901] Stack: (0xc5b53de8 to 0xc5b54000) # [ 109.400998] 3de0: c5b52000 c6cbb000 0000000b c5b53f60 c5b53e64 c5b53e08 # [ 109.411255] 3e00: c1357fe0 c1357da0 c5b53e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 109.421426] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30c3360 e34c31b7 # [ 109.431599] 3e40: e3a02040 e3a01d33 e5930018 5c7c30ee 0000000b 00000020 c5b53e74 c5b53e68 # [ 109.441855] 3e60: c0c2d040 c1357fb4 c5b53e9c c5b53e78 c0c2d540 c0c2d020 c0c2d420 c29c8780 # [ 109.452027] 3e80: b6e34000 0000000b c536a540 c5b53f60 c5b53ec4 c5b53ea0 c07f4c60 c0c2d42c # [ 109.462286] 3ea0: 00000000 c29c8780 b6e34000 c2816000 c5b53f60 c07f4bfc c5b53f5c c5b53ec8 # [ 109.472372] 3ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c5b52000 # [ 109.482631] 3ee0: b6e34000 00020000 00000004 0000000b 0001fff5 c5b53ee0 00000001 b6e33000 # [ 109.492888] 3f00: c47b92c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.502974] 3f20: 00000000 00000000 c136d588 5c7c30ee c205c080 c29c8780 c29c8780 c5b52000 # [ 109.513146] 3f40: b6e34000 00000000 00000000 00000004 c5b53f94 c5b53f60 c05988bc c0598228 # [ 109.523404] 3f60: 00000000 00000000 c5b53fac 5c7c30ee 0000000b 0000000b b6f7be00 00000004 # [ 109.533576] 3f80: c03002e4 c5b52000 c5b53fa4 c5b53f98 c059894c c0598854 00000000 c5b53fa8 # [ 109.543746] 3fa0: c03000c0 c0598940 0000000b 0000000b 00000001 b6e34000 0000000b 00000000 # [ 109.553832] 3fc0: 0000000b 0000000b b6f7be00 00000004 00000001 00000000 00020000 beb3ea54 # [ 109.563919] 3fe0: 00000004 beb3e788 b6ee994f b6e6fc66 800e0030 00000001 00000000 00000000 # [ 109.574257] Backtrace: # [ 109.578711] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 109.587659] r7:c5b53f60 r6:0000000b r5:c6cbb000 r4:c5b52000 # [ 109.593335] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.601516] r4:00000020 # [ 109.604063] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.612080] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.620006] r9:c5b53f60 r8:c536a540 r7:0000000b r6:b6e34000 r5:c29c8780 r4:c0c2d420 # [ 109.627763] [] (full_proxy_write) from [] (vfs_write+0x1[ 110.156149] lkdtm: Performing direct entry EXEC_KMALLOC 0c/0x524) # [ 109.635602] r9:c[ 110.164345] lkdtm: attempting ok execution at c0c2ddb0 07f4bfc r8:c5b53f60 r7:c2816000 r[ 110.172294] lkdtm: attempting bad execution at c6c50900 6:b6e34000 r5:c29c8780 r4:0000000[ 110.180459] 8<--- cut here --- 0 # [ 109.6[4 3 315150]. 18[6<222] Unable to handle kernel paging request at virtual address c6c50900 059821c>] (vfs[_ w r1i1t0e.)1 9f5353] pgd = ff3bc64a om [] (ksys_write+[0 x 110.200053] [c6c50900] *pgd=16c1141e(bad) 4/0xec) # [ 1[0 9 .161500.42909673] Internal error: Oops: 8000000d [#5] SMP ARM ] r10:00000004 r9:00000000 r8:00[ 110.213893] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 000000 r7:b6e34000 r6:[c 5 b15120.245596] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.129-cip12 #1 00 r5:c29c8[7 8 011 0#.2 5[5 6 74] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 09.658333] r4:c29[c 8 718100. 264028] PC is at 0xc6c50900 [ 109.660874] [[] (10.269345] LR is at execute_location+0xa4/0xb4 ksys_write[) f1r1o0m. 2[7<6c3078] pc : [] lr : [] psr: 600e0013 9894c>] (s[y s _11w0r.i2t8e4+406x] sp : c6a1fe30 ip : c6a1fd38 fp : c6a1fe4c 18/0x1c)[ # 1[1 0 .120991.4626] r10: 0000000d r9 : c1acb950 r8 : c15e7d40 8016] r9:c5[b 5 2101000. 2r988:384] r7 : c6a1ff60 r6 : 00000001 r5 : c6c50900 r4 : c0c2ddb0 03002e4 r[7 : 011000.0300060841 8] r3 : 9a1492c4 r2 : 9a1492c4 r1 : ef7ab5e0 r0 : 0000002b 6:b6f7be00 r5:[0 0 0101000.03b1 5081] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 4:0000000b [# [1 1 01.0392.46208] Control: 10c5387d Table: 16b2c04a DAC: 00000051 5769] [1]1 0(.s3y3s1862] Process cat (pid: 1920, stack limit = 0x5c6f6457) write) from[ [ <1c100.33030906c02] Stack: (0xc6a1fe30 to 0xc6a20000) >] (ret_fast_sysca[l l +101x00./345786] fe20: c6c50900 c5fd6000 0000000d c6a1ff60 x28) # [ 109.[6 8 3131403.]3 5E128] fe40: c6a1fe64 c6a1fe50 c0c2de00 c1357da0 00000021 c5fd6000 c6a1fe74 c6a1fe68 xception stack([0 x c151b05.33f6a300] fe60: c0c2d040 c0c2ddd4 c6a1fe9c c6a1fe78 c0c2d540 c0c2d020 c0c2d420 c47b8280 8 to 0xc5b53ff0)[ # 1[1 0 .1306472] fe80: b6de0000 0000000d c536a540 c6a1ff60 c6a1fec4 c6a1fea0 c07f4c60 c0c2d42c 9.688403] 3fa0:[ 1 1 0 . 3 86728] fea0: 00000000 c47b8280 b6de0000 c2816000 c6a1ff60 c07f4bfc c6a1ff5c c6a1fec8 0000000[b 0101000.0306899] fec0: c0598328 c07f4c08 00000001 00000000 c05988bc c44c4e24 c05988bc c6a1e000 0b 00000001 b6e[3 4 010100 .04000156] fee0: b6de0000 00020000 00000004 0000000d 0001fff3 c6a1fee0 00000001 00000805 0000b 00000000 [# [1 1 01.04917327] ff00: c5ae9a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 696590] 3fc0: [0 0 0101000.04b2 7584] ff20: 00000000 00000000 c6a1e000 9a1492c4 b6ddf000 c47b8280 c47b8280 c6a1e000 000000b b6f7be00[ 0 0101000.04037757] ff40: b6de0000 00000000 00000000 00000004 c6a1ff94 c6a1ff60 c05988bc c0598228 00000001 000[0 0 010100 .040408215] ff60: 00000000 00000000 c6a1ffac 9a1492c4 0000000d 0000000d b6f27e00 00000004 0000 beb3ea54 # [[ 111009..478102] ff80: c03002e4 c6a1e000 c6a1ffa4 c6a1ff98 c059894c c0598854 00000000 c6a1ffa8 04773] 3fe0: 00[0 0 0101004. 4b6e358] ffa0: c03000c0 c0598940 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 b3e788 b6ee994f [b 6 e161f0c.64678529] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 bed52a54 # [ 109.709836[] C1o1d0e.:4 88788] ffe0: 00000004 bed52788 b6e9594f b6e1bc66 800e0030 00000001 00000000 00000000 5b53e08 c1357fe0 [c 1 315170d.a409039] Backtrace: c5b53e6c (e1a0c00d) # [ 109.7[ 110.503587] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 15941] ---[ end t[r a c1e1 03.1554874] r7:c6a1ff60 r6:0000000d r5:c5fd6000 r4:c6c50900 d618f037af180 ]--- # E[X E C1_1S.522618] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) TACK: missi[n g 1'1c0a.l5l3 3t3r3] r5:c5fd6000 r4:00000021 ace:': [FAIL] not o[k 3111 0s.538705] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) lftests: lkdtm: EXEC_STACK[. s h110.548966] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # exit=1 # self[t e s1t1s0:. 5l59392] r9:c6a1ff60 r8:c536a540 r7:0000000d r6:b6de0000 r5:c47b8280 r4:c0c2d420 dtm: EXEC_KMALLOC.sh [ 110.569220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 110.578954] r9:c07f4bfc r8:c6a1ff60 r7:c2816000 r6:b6de0000 r5:c47b8280 r4:00000000 [ 110.586707] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 110.593851] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6a1e000 r5:c47b8280 [ 110.601685] r4:c47b8280 [ 110.604229] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 110.611373] r9:c6a1e000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000d r4:0000000d [ 110.619126] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.626699] Exception stack(0xc6a1ffa8 to 0xc6a1fff0) [ 110.631758] ffa0: 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 [ 110.639943] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 bed52a54 [ 110.648125] ffe0: 00000004 bed52788 b6e9594f b6e1bc66 [ 110.653185] Code: 300d905e 049ff2c0 8e0c2ee1 81bb8c44 (e1a0c00d) [ 110.659286] ---[ end trace 315d618f037af181 ]--- # Segmentation fault # [ 110.156149] lkdtm: Performing direct entry EXEC_KMALLOC # [ 110.164345] lkdtm: attempting ok execution at c0c2ddb0 # [ 110.172294] lkdtm: attempting bad execution at c6c50900 # [ 110.180459] 8<--- cut here --- # [ 110.186222] Unable to handle kernel paging request at virtual address c6c50900 # [ 110.195353] pgd = ff3bc64a # [ 110.200053] [c6c50900] *pgd=16c1141e(bad) # [ 110.206673] Internal error: Oops: 8000000d [#5] SMP ARM # [ 110.213893] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 110.245596] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 110.255674] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.264028] PC is at 0xc6c50900 # [ 110.269345] LR is at execute_location+0xa4/0xb4 # [ 110.276378] pc : [] lr : [] psr: 600e0013 # [ 110.284466] sp : c6a1fe30 ip : c6a1fd38 fp : c6a1fe4c # [ 110.291424] r10: 0000000d r9 : c1acb950 r8 : c15e7d40 # [ 110.298384] r7 : c6a1ff60 r6 : 00000001 r5 : c6c50900 r4 : c0c2ddb0 # [ 110.306818] r3 : 9a1492c4 r2 : 9a1492c4 r1 : ef7ab5e0 r0 : 0000002b # [ 110.315081] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.324208] Control: 10c5387d Table: 16b2c04a DAC: 00000051 # [ 110.331862] Process cat (pid: 1920, stack limit = 0x5c6f6457) # [ 110.339602] Stack: (0xc6a1fe30 to 0xc6a20000) # [ 110.345786] fe20: c6c50900 c5fd6000 0000000d c6a1ff60 # [ 110.356128] fe40: c6a1fe64 c6a1fe50 c0c2de00 c1357da0 00000021 c5fd6000 c6a1fe74 c6a1fe68 # [ 110.366300] fe60: c0c2d040 c0c2ddd4 c6a1fe9c c6a1fe78 c0c2d540 c0c2d020 c0c2d420 c47b8280 # [ 110.376472] fe80: b6de0000 0000000d c536a540 c6a1ff60 c6a1fec4 c6a1fea0 c07f4c60 c0c2d42c # [ 110.386728] fea0: 00000000 c47b8280 b6de0000 c2816000 c6a1ff60 c07f4bfc c6a1ff5c c6a1fec8 # [ 110.396899] fec0: c0598328 c07f4c08 00000001 00000000 c05988bc c44c4e24 c05988bc c6a1e000 # [ 110.407156] fee0: b6de0000 00020000 00000004 0000000d 0001fff3 c6a1fee0 00000001 00000805 # [ 110.417327] ff00: c5ae9a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.427584] ff20: 00000000 00000000 c6a1e000 9a1492c4 b6ddf000 c47b8280 c47b8280 c6a1e000 # [ 110.437757] ff40: b6de0000 00000000 00000000 00000004 c6a1ff94 c6a1ff60 c05988bc c0598228 # [ 110.448015] ff60: 00000000 00000000 c6a1ffac 9a1492c4 0000000d 0000000d b6f27e00 00000004 # [ 110.458102] ff80: c03002e4 c6a1e000 c6a1ffa4 c6a1ff98 c059894c c0598854 00000000 c6a1ffa8 # [ 110.468358] ffa0: c03000c0 c0598940 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 # [ 110.478529] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 bed52a54 # [ 110.488788] ffe0: 00000004 bed52788 b6e9594f b6e1bc66 800e0030 00000001 00000000 00000000 # [ 110.499039] Backtrace: # [ 110.503587] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 110.514874] r7:c6a1ff60 r6:0000000d r5:c5fd6000 r4:c6c50900 # [ 110.522618] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.533303] r5:c5fd6000 r4:00000021 # [ 110.538705] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.548966] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.559392] r9:c6a1ff60 r8:c536a540 r7:0000000d r6:b6de0000 r5:c47b8280 r4:c0c2d420 # [ 110.569220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 110.578954] r9:c07f4bfc r8:c6a1ff60 r7:c2816000 r6:b6de0000 r5:c47b8280 r4:00000000 # [ 110.586707] [] (vf[ 111.087324] lkdtm: Performing direct entry EXEC_VMALLOC s_write) from [] (ksys_[ 111.093411] lkdtm: attempting ok execution at c0c2ddb0 write+0x74/0xec) # [ 110.593851[ 111.101372] lkdtm: attempting bad execution at f096c000 ] r10:00000004 r9:00000000 r8:00[ 111.109521] 8<--- cut here --- 000000 r7:b6de0000 r6:c6a1e000 r5[ 111.115371] Unable to handle kernel paging request at virtual address f096c000 :c47b8280 # [ 110.601685] r4:c[ 111.125482] pgd = ed872116 47b8280 # [ 110.604229] [] (ksys_write) from [] lr : [] psr: 600e0013 [ 111.205567] sp : c6a8de30 ip : c6a8dd38 fp : c6a8de4c [ 111.210794] r10: 0000000d r9 : c1acb960 r8 : c15e7d40 [ 111.216024] r7 : c6a8df60 r6 : 00000001 r5 : f096c000 r4 : c0c2ddb0 [ 111.222555] r3 : bcc86121 r2 : bcc86121 r1 : ef7815e0 r0 : 0000002b [ 111.229088] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 111.236228] Control: 10c5387d Table: 16e6804a DAC: 00000051 [ 111.241980] Process cat (pid: 1997, stack limit = 0xc2379cb6) [ 111.247733] Stack: (0xc6a8de30 to 0xc6a8e000) [ 111.252100] de20: f096c000 c6d0d000 0000000d c6a8df60 [ 111.260287] de40: c6a8de64 c6a8de50 c0c2de34 c1357da0 00000022 c6d0d000 c6a8de74 c6a8de68 [ 111.268472] de60: c0c2d040 c0c2de18 c6a8de9c c6a8de78 c0c2d540 c0c2d020 c0c2d420 c5abef00 [ 111.276658] de80: b6ddb000 0000000d c536a540 c6a8df60 c6a8dec4 c6a8dea0 c07f4c60 c0c2d42c [ 111.284842] dea0: 00000000 c5abef00 b6ddb000 c2816000 c6a8df60 c07f4bfc c6a8df5c c6a8dec8 [ 111.293028] dec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6a8c000 [ 111.301213] dee0: b6ddb000 00020000 00000004 0000000d 0001fff3 c6a8dee0 00000001 b6dda000 [ 111.309399] df00: c69bc280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 111.317585] df20: 00000000 00000000 c136d588 bcc86121 c205c080 c5abef00 c5abef00 c6a8c000 [ 111.325770] df40: b6ddb000 00000000 00000000 00000004 c6a8df94 c6a8df60 c05988bc c0598228 [ 111.333955] df60: 00000000 00000000 c6a8dfac bcc86121 0000000d 0000000d b6f22e00 00000004 [ 111.342140] df80: c03002e4 c6a8c000 c6a8dfa4 c6a8df98 c059894c c0598854 00000000 c6a8dfa8 [ 111.350324] dfa0: c03000c0 c0598940 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 [ 111.358509] dfc0: 0000000d 0000000d b6f22e00 00000004 00000001 00000000 00020000 be964a54 [ 111.366693] dfe0: 00000004 be964788 b6e9094f b6e16c66 800e0030 00000001 00000000 00000000 [ 111.374872] Backtrace: [ 111.377348] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 111.385794] r7:c6a8df60 r6:0000000d r5:c6d0d000 r4:f096c000 [ 111.391466] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.399821] r5:c6d0d000 r4:00000022 [ 111.403409] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.411427] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.419353] r9:c6a8df60 r8:c536a540 r7:0000000d r6:b6ddb000 r5:c5abef00 r4:c0c2d420 [ 111.427109] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.434948] r9:c07f4bfc r8:c6a8df60 r7:c2816000 r6:b6ddb000 r5:c5abef00 r4:00000000 [ 111.442701] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.449844] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6a8c000 r5:c5abef00 [ 111.457678] r4:c5abef00 [ 111.460222] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.467365] r9:c6a8c000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000000d r4:0000000d [ 111.475118] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.482692] Exception stack(0xc6a8dfa8 to 0xc6a8dff0) [ 111.487752] dfa0: 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 [ 111.495937] dfc0: 0000000d 0000000d b6f22e00 00000004 00000001 00000000 00020000 be964a54 [ 111.504120] dfe0: 00000004 be964788 b6e9094f b6e16c66 [ 111.509183] Code: bad PC value c>] (sys_write+0x18/0x1c) # [ 1[ 111.512311] ---[ end trace 315d618f037af182 ]--- 10.611373] r9:c6a1e000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000d r4:0000000d # [ 110.619126] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.626699] Exception stack(0xc6a1ffa8 to 0xc6a1fff0) # [ 110.631758] ffa0: 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 # [ 110.639943] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 bed52a54 # [ 110.648125] ffe0: 00000004 bed52788 b6e9594f b6e1bc66 # [ 110.653185] Code: 300d905e 049ff2c0 8e0c2ee1 81bb8c44 (e1a0c00d) # [ 110.659286] ---[ end trace 315d618f037af181 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 111.087324] lkdtm: Performing direct entry EXEC_VMALLOC # [ 111.093411] lkdtm: attempting ok execution at c0c2ddb0 # [ 111.101372] lkdtm: attempting bad execution at f096c000 # [ 111.109521] 8<--- cut here --- # [ 111.115371] Unable to handle kernel paging request at virtual address f096c000 # [ 111.125482] pgd = ed872116 # [ 111.131068] [f096c000] *pgd=12949811, *pte=4b83265f, *ppte=4b83245f # [ 111.140226] Internal error: Oops: 8000000f [#6] SMP ARM # [ 111.148277] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 111.177313] CPU: 0 PID: 1997 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 111.185062] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.191599] PC is at 0xf096c000 # [ 111.194758] LR is at execute_location+0xa4/0xb4 # [ 111.199295] pc : [] lr : [] psr: 600e0013 # [ 111.205567] sp : c6a8de30 ip : c6a8dd38 fp : c6a8de4c # [ 111.210794] r10: 0000000d r9 : c1acb960 r8 : c15e7d40 # [ 111.216024] r7 : c6a8df60 r6 : 00000001 r5 : f096c000 r4 : c0c2ddb0 # [ 111.222555] r3 : bcc86121 r2 : bcc86121 r1 : ef7815e0 r0 : 0000002b # [ 111.229088] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.236228] Control: 10c5387d Table: 16e6804a DAC: 00000051 # [ 111.241980] Process cat (pid: 1997, stack limit = 0xc2379cb6) # [ 111.247733] Stack: (0xc6a8de30 to 0xc6a8e000) # [ 111.252100] de20: f096c000 c6d0d000 0000000d c6a8df60 # [ 111.260287] de40: c6a8de64 c6a8de50 c0c2de34 c1357da0 00000022 c6d0d000 c6a8de74 c6a8de68 # [ 111.268472] de60: c0c2d040 c0c2de18 c6a8de9c c6a8de78 c0c2d540 c0c2d020 c0c2d420 c5abef00 # [ 111.276658] de80: b6ddb000 0000000d c536a540 c6a8df60 c6a8dec4 c6a8dea0 c07f4c60 c0c2d42c # [ 111.284842] dea0: 00000000 c5abef00 b6ddb000 c2816000 c6a8df60 c07f4bfc c6a8df5c c6a8dec8 # [ 111.293028] dec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6a8c000 # [ 111.301213] dee0: b6ddb000 00020000 00000004 0000000d 0001fff3 c6a8dee0 00000001 b6dda000 # [ 111.309399] df00: c69bc280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.317585] df20: 00000000 00000000 c136d588 bcc86121 c205c080 c5abef00 c5abef00 c6a8c000 # [ 111.325770] df40: b6ddb000 00000000 00000000 00000004 c6a8df94 c6a8df60 c05988bc c0598228 # [ 111.333955] df60: 00000000 00000000 c6a8dfac bcc86121 0000000d 0000000d b6f22e00 00000004 # [ 111.342140] df80: c03002e4 c6a8c000 c6a8dfa4 c6a8df98 c059894c c0598854 00000000 c6a8dfa8 # [ 111.350324] dfa0: c03000c0 c0598940 0000000d 0000000d 00000001 b6ddb000 0000000d 00000000 # [ 111.358509] dfc0: 0000000d 0000000d b6f22e00 00000004 00000001 00000000 00020000 be964a54 # [ 111.366693] dfe0: 00000004 be964788 b6e9094f b6e16c66 800e0030 00000001 00000000 00000000 # [ 111.374872] Backtrace: # [ 111.377348] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 111.385794] r7:c6a8df60 r6:0000000d r5:c6d0d000 r4:f096c000 # [ 111.391466] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.399821] r5:c6d0d000 r4:00000022 # [ 111.403409] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.411427] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.419353] r9:c6a8df60 r8:c536a540 r7:0000000d r6:b6ddb000 r5:c5abef00 r4:c0c2d420 # [ 111.427109] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.434948] r[ 111.993273] lkdtm: Performing direct entry EXEC_RODATA 9:c07f4bfc r8:c6a8df60 r7:c281600[ 111.999558] lkdtm: attempting ok execution at c0c2ddb0 0 r6:b6ddb000 r5:c5abef00 r4:0000[ 112.007515] lkdtm: attempting bad execution at c15e7fdc 0000 # [ 111.442701] [] (vfs_write) from [ 112.021511] Unable to handle kernel paging request at virtual address c15e7fdc (ksys_write+0x74/0xec) # [ [ 1112.031425] pgd = 8060bba3 11.449844] r10:00000004 r9:00000[ 112.036736] [c15e7fdc] *pgd=1141941e(bad) 000 r8:00000000 r7:b6ddb000 r6:c6[ 112.043617] Internal error: Oops: 8000000d [#7] SMP ARM a8c000 r5:c5abef00 # [ 111.4576[ 112.051700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 78] r4:c5abef00 # [ 111.460222[ 112.083412] CPU: 2 PID: 2074 Comm: cat Tainted: G D W 5.10.129-cip12 #1 ] [] (ksys_write) [f r12.094005] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) om [] (sys_write+0x18/0[ 112.103069] PC is at lkdtm_rodata_do_nothing+0x0/0x10 x1c) # [ 111.467365] r9:c6a8c0[ 112.110985] LR is at execute_location+0xa4/0xb4 00 r8:c03002e4 r7:00000004 r[6 :12.118360] pc : [] lr : [] psr: 600e0013 b6f22e00 r5:0000000d r4:00[0 0 0112.127142] sp : c6f1be38 ip : c6f1bd40 fp : c6f1be54 0d # [ 111.475118] [] (sys_write) from [[< c 01310.142538] r7 : c6f1bf60 r6 : 00000000 r5 : c15e7fdc r4 : c0c2ddb0 00c0>] (ret_fast_syscall+0x[0 / 012.151409] r3 : a1cb19e8 r2 : a1cb19e8 r1 : ef7ab5e0 r0 : 0000002b x28) # [ 111.482692] Excep[t i 112.160453] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none n stack(0xc6a8dfa8 to 0xc6a[8 d f12.170190] Control: 10c5387d Table: 16e4804a DAC: 00000051 f0) # [ 111.487752] dfa0: [ 112.178452] Process cat (pid: 2074, stack limit = 0xe613191a) 0000000d 00000[0 0 112.186887] Stack: (0xc6f1be38 to 0xc6f1c000) 00000001 b6ddb000 0000000d 00000 112.193849] be20: 00000023 c5a82000 000 # [ 111.495937] dfc0: 00000[ 112.204807] be40: 0000000c c6f1bf60 c6f1be64 c6f1be58 c1358020 c1357da0 c6f1be74 c6f1be68 00d 0000000d b6f22e00 00000004 00[ 112.215847] be60: c0c2d040 c1358008 c6f1be9c c6f1be78 c0c2d540 c0c2d020 c0c2d420 c59d1040 000001 00000000 00020000 be964a54[ 112.226886] be80: b6ead000 0000000c c536a540 c6f1bf60 c6f1bec4 c6f1bea0 c07f4c60 c0c2d42c # [ 111.504120] dfe0: 00000004[ 112.237925] bea0: 00000000 c59d1040 b6ead000 c2816000 c6f1bf60 c07f4bfc c6f1bf5c c6f1bec8 be964788 b6e9094f b6e16c66 # [ [ 112.248966] bec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6f1a000 111.509183] Code: bad PC value [ 112.260005] bee0: b6ead000 00020000 00000004 0000000c 0001fff4 c6f1bee0 00000001 b6eac000 # [ 111.512311] ---[ end trace 3[ 112.271042] bf00: c5ae8dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 15d618f037af182 ]--- # EXEC_VMAL[ 112.282086] bf20: 00000000 00000000 c136d588 a1cb19e8 c205c080 c59d1040 c59d1040 c6f1a000 LOC: missing 'call trace:': [FAIL[ 112.293123] bf40: b6ead000 00000000 00000000 00000004 c6f1bf94 c6f1bf60 c05988bc c0598228 ] not ok 33 selftests: lkdtm: EX[ 112.304162] bf60: 00000000 00000000 c6f1bfac a1cb19e8 0000000c 0000000c b6ff4e00 00000004 EC_VMALLOC.sh # exit=1 # selftes[ 112.315203] bf80: c03002e4 c6f1a000 c6f1bfa4 c6f1bf98 c059894c c0598854 00000000 c6f1bfa8 ts: lkdtm: EXEC_RODATA.sh [ 112.326243] bfa0: c03000c0 c0598940 0000000c 0000000c 00000001 b6ead000 0000000c 00000000 [ 112.336762] bfc0: 0000000c 0000000c b6ff4e00 00000004 00000001 00000000 00020000 bebd8a54 [ 112.344968] bfe0: 00000004 bebd8788 b6f6294f b6ee8c66 800e0030 00000001 00000000 00000000 [ 112.353163] Backtrace: [ 112.355669] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 112.364051] r7:c6f1bf60 r6:0000000c r5:c5a82000 r4:00000023 [ 112.369760] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.378065] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.386111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.394062] r9:c6f1bf60 r8:c536a540 r7:0000000c r6:b6ead000 r5:c59d1040 r4:c0c2d420 [ 112.401846] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.409709] r9:c07f4bfc r8:c6f1bf60 r7:c2816000 r6:b6ead000 r5:c59d1040 r4:00000000 [ 112.417485] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.424652] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6f1a000 r5:c59d1040 [ 112.432500] r4:c59d1040 [ 112.435068] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.442235] r9:c6f1a000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:0000000c r4:0000000c [ 112.450015] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.457609] Exception stack(0xc6f1bfa8 to 0xc6f1bff0) [ 112.462690] bfa0: 0000000c 0000000c 00000001 b6ead000 0000000c 00000000 [ 112.470900] bfc0: 0000000c 0000000c b6ff4e00 00000004 00000001 00000000 00020000 bebd8a54 [ 112.479103] bfe0: 00000004 bebd8788 b6f6294f b6ee8c66 [ 112.484186] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 112.490310] ---[ end trace 315d618f037af183 ]--- # Segmentation fault # [ 111.993273] lkdtm: Performing direct entry EXEC_RODATA # [ 111.999558] lkdtm: attempting ok execution at c0c2ddb0 # [ 112.007515] lkdtm: attempting bad execution at c15e7fdc # [ 112.015643] 8<--- cut here --- # [ 112.021511] Unable to handle kernel paging request at virtual address c15e7fdc # [ 112.031425] pgd = 8060bba3 # [ 112.036736] [c15e7fdc] *pgd=1141941e(bad) # [ 112.043617] Internal error: Oops: 8000000d [#7] SMP ARM # [ 112.051700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 112.083412] CPU: 2 PID: 2074 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 112.094005] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.103069] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 112.110985] LR is at execute_location+0xa4/0xb4 # [ 112.118360] pc : [] lr : [] psr: 600e0013 # [ 112.127142] sp : c6f1be38 ip : c6f1bd40 fp : c6f1be54 # [ 112.134882] r10: 0000000c r9 : c1acb970 r8 : c15e7d40 # [ 112.142538] r7 : c6f1bf60 r6 : 00000000 r5 : c15e7fdc r4 : c0c2ddb0 # [ 112.151409] r3 : a1cb19e8 r2 : a1cb19e8 r1 : ef7ab5e0 r0 : 0000002b # [ 112.160453] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.170190] Control: 10c5387d Table: 16e4804a DAC: 00000051 # [ 112.178452] Process cat (pid: 2074, stack limit = 0xe613191a) # [ 112.186887] Stack: (0xc6f1be38 to 0xc6f1c000) # [ 112.193849] be20: 00000023 c5a82000 # [ 112.204807] be40: 0000000c c6f1bf60 c6f1be64 c6f1be58 c1358020 c1357da0 c6f1be74 c6f1be68 # [ 112.215847] be60: c0c2d040 c1358008 c6f1be9c c6f1be78 c0c2d540 c0c2d020 c0c2d420 c59d1040 # [ 112.226886] be80: b6ead000 0000000c c536a540 c6f1bf60 c6f1bec4 c6f1bea0 c07f4c60 c0c2d42c # [ 112.237925] bea0: 00000000 c59d1040 b6ead000 c2816000 c6f1bf60 c07f4bfc c6f1bf5c c6f1bec8 # [ 112.248966] bec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6f1a000 # [ 112.260005] bee0: b6ead000 00020000 00000004 0000000c 0001fff4 c6f1bee0 00000001 b6eac000 # [ 112.271042] bf00: c5ae8dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.282086] bf20: 00000000 00000000 c136d588 a1cb19e8 c205c080 c59d1040 c59d1040 c6f1a000 # [ 112.293123] bf40: b6ead000 00000000 00000000 00000004 c6f1bf94 c6f1bf60 c05988bc c0598228 # [ 112.304162] bf60: 00000000 00000000 c6f1bfac a1cb19e8 0000000c 0000000c b6ff4e00 00000004 # [ 112.315203] bf80: c03002e4 c6f1a000 c6f1bfa4 c6f1bf98 c059894c c0598854 00000000 c6f1bfa8 # [ 112.326243] bfa0: c03000c0 c0598940 0000000c 0000000c 00000001 b6ead000 0000000c 00000000 # [ 112.336762] bfc0: 0000000c 0000000c b6ff4e00 00000004 00000001 00000000 00020000 bebd8a54 # [ 112.344968] bfe0: 00000004 bebd8788 b6f6294f b6ee8c66 800e0030 00000001 00000000 00000000 # [ 112.353163] Backtrace: # [ 112.355669] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 112.364051] r7:c6f1bf60 r6:0000000c r5:c5a82000 r4:00000023 # [ 112.369760] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.378065] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.386111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.394062] r9:c6f1bf60 r8:c536a540 r7:0000000c r6:b6ead000 r5:c59d1040 r4:c0c2d420 # [ 112.401846] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.409709] r9:c07f4bfc r8:c6f1bf60 r7:c2816000 [ 112.958362] lkdtm: Performing direct entry EXEC_USERSPACE r6:b6ead000 r5:c59d1040 r4:000000[ 112.965960] lkdtm: attempting ok execution at c0c2ddb0 00 # [ 112.417485] [][ 112.974588] lkdtm: attempting bad execution at b6fac000 (vfs_write) from [] (k[ 112.982070] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fac000 sys_write+0x74/0xec) # [ 112.42[ 112.991967] Internal error: : b [#8] SMP ARM 4652] r10:00000004 r9:00000000 r[ 112.999094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 8:00000000 r7:b6ead000 r6:c6f1a00[ 113.030818] CPU: 3 PID: 2150 Comm: cat Tainted: G D W 5.10.129-cip12 #1 0 r5:c59d1040 #[ [ 1 1131.20.41418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 32500] r4:c59d1040 # [ [1 1 2113.050043] PC is at 0xb6fac000 435068] [] (ksys_write)[ 113.055724] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 from [[] (1s1y3s._0w3449] pc : [] lr : [] psr: 600e0013 rite+0x18/0x1c)[ # 1[1 3. 0171805] sp : c6983e48 ip : c6983d50 fp : c6983e64 2.442235] r9:c6f1[a 0 0101 3r.8079032] r10: 0000000f r9 : c1acb97c r8 : c15e7d40 c03002e4 r7:00000[00 41 1r36.:0b6432] r7 : c6983f60 r6 : 0000000f r5 : c5e36000 r4 : b6fac000 6ff4e00 r5:00000[0 0 c1 1r34.:0095049] r3 : d249d4ef r2 : d249d4ef r1 : ef7c05e0 r0 : 0000002b 00000c # [ 112.45001[5 ] 1[1<3.103668] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0598934>] (sys_wri[t e )11 3f.r1o3151] Control: 10c5387d Table: 16ef804a DAC: 00000051 m [] (ret_fa[s t _1s1y3.120990] Process cat (pid: 2150, stack limit = 0x19019ff6) call+0x0/0x28) [# [1 1 31.11229085] Stack: (0xc6983e48 to 0xc6984000) 457609] Exception stack(0xc6f[1 b113.135543] 3e40: 00000001 00000000 0000000f 00000024 c6983e74 c6983e68 fa8 to 0xc6f1bff0) # [ 112.462[ 113.146331] 3e60: c0c2d040 c0c2de4c c6983e9c c6983e78 c0c2d540 c0c2d020 c0c2d420 c69bd2c0 90] bfa0: 00[0 113.157291] 3e80: b6e66000 0000000f c536a540 c6983f60 c6983ec4 c6983ea0 c07f4c60 c0c2d42c 000c 0000000c 00000001 b6ead00[0 113.168164] 3ea0: 00000000 c69bd2c0 b6e66000 c2816000 c6983f60 c07f4bfc c6983f5c c6983ec8 0000000c 00000000 # [ 112.4[7 0113.179037] 3ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6982000 900] bfc0: 0000000c 0000000c b6[f 113.189824] 3ee0: b6e66000 00020000 00000004 0000000f 0001fff1 c6983ee0 00000001 b6e65000 f4e00 00000004 00000001 0000[0 0 113.200696] 3f00: c5ae8780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0 00020000 bebd8a54 # [ 112[. 4113.211483] 3f20: 00000000 00000000 c136d588 d249d4ef c205c080 c69bd2c0 c69bd2c0 c6982000 79103] bfe0: 00000004 bebd8[7 8 813.222270] 3f40: b6e66000 00000000 00000000 00000004 c6983f94 c6983f60 c05988bc c0598228 b6f6294f b6ee8c66 # [ 112.[4 8113.232970] 3f60: 00000000 00000000 c6983fac d249d4ef 0000000f 0000000f b6fade00 00000004 4186] Code: 5f727563 6e756f63 [0 113.243758] 3f80: c03002e4 c6982000 c6983fa4 c6983f98 c059894c c0598854 00000000 c6983fa8 000074 aa55aa55 (e1a0c00d) [# 113.254631] 3fa0: c03000c0 c0598940 0000000f 0000000f 00000001 b6e66000 0000000f 00000000 [ 112.490310] ---[ end trace[ 3113.265419] 3fc0: 0000000f 0000000f b6fade00 00000004 00000001 00000000 00020000 bea7ba54 15d618f037af183 ]--- # EXEC_R[O 113.276206] 3fe0: 00000004 bea7b788 b6f1b94f b6ea1c66 800e0030 00000001 00000000 00000000 ATA: missing 'call trace:': [[ F 113.287066] Backtrace: IL] not ok 34 selftests: lkdtm: [ 113.292154] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) EXEC_RODATA.sh # exit=[1 1#1 3.303526] r4:00000024 elftests: lkdtm: EXEC_USERSPACE.s[ 113.308428] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) h [ 113.319300] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.327475] r9:c6983f60 r8:c536a540 r7:0000000f r6:b6e66000 r5:c69bd2c0 r4:c0c2d420 [ 113.335259] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.343122] r9:c07f4bfc r8:c6983f60 r7:c2816000 r6:b6e66000 r5:c69bd2c0 r4:00000000 [ 113.350902] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.358070] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c6982000 r5:c69bd2c0 [ 113.365921] r4:c69bd2c0 [ 113.368488] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.375655] r9:c6982000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000f r4:0000000f [ 113.383434] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.391023] Exception stack(0xc6983fa8 to 0xc6983ff0) [ 113.396103] 3fa0: 0000000f 0000000f 00000001 b6e66000 0000000f 00000000 [ 113.404311] 3fc0: 0000000f 0000000f b6fade00 00000004 00000001 00000000 00020000 bea7ba54 [ 113.412512] 3fe0: 00000004 bea7b788 b6f1b94f b6ea1c66 [ 113.417599] Code: bad PC value [ 113.420687] ---[ end trace 315d618f037af184 ]--- # Segmentation fault # [ 112.958362] lkdtm: Performing direct entry EXEC_USERSPACE # [ 112.965960] lkdtm: attempting ok execution at c0c2ddb0 # [ 112.974588] lkdtm: attempting bad execution at b6fac000 # [ 112.982070] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fac000 # [ 112.991967] Internal error: : b [#8] SMP ARM # [ 112.999094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 113.030818] CPU: 3 PID: 2150 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 113.041418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.050043] PC is at 0xb6fac000 # [ 113.055724] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 113.063449] pc : [] lr : [] psr: 600e0013 # [ 113.071805] sp : c6983e48 ip : c6983d50 fp : c6983e64 # [ 113.079032] r10: 0000000f r9 : c1acb97c r8 : c15e7d40 # [ 113.086432] r7 : c6983f60 r6 : 0000000f r5 : c5e36000 r4 : b6fac000 # [ 113.095049] r3 : d249d4ef r2 : d249d4ef r1 : ef7c05e0 r0 : 0000002b # [ 113.103668] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.113151] Control: 10c5387d Table: 16ef804a DAC: 00000051 # [ 113.120990] Process cat (pid: 2150, stack limit = 0x19019ff6) # [ 113.129085] Stack: (0xc6983e48 to 0xc6984000) # [ 113.135543] 3e40: 00000001 00000000 0000000f 00000024 c6983e74 c6983e68 # [ 113.146331] 3e60: c0c2d040 c0c2de4c c6983e9c c6983e78 c0c2d540 c0c2d020 c0c2d420 c69bd2c0 # [ 113.157291] 3e80: b6e66000 0000000f c536a540 c6983f60 c6983ec4 c6983ea0 c07f4c60 c0c2d42c # [ 113.168164] 3ea0: 00000000 c69bd2c0 b6e66000 c2816000 c6983f60 c07f4bfc c6983f5c c6983ec8 # [ 113.179037] 3ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6982000 # [ 113.189824] 3ee0: b6e66000 00020000 00000004 0000000f 0001fff1 c6983ee0 00000001 b6e65000 # [ 113.200696] 3f00: c5ae8780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.211483] 3f20: 00000000 00000000 c136d588 d249d4ef c205c080 c69bd2c0 c69bd2c0 c6982000 # [ 113.222270] 3f40: b6e66000 00000000 00000000 00000004 c6983f94 c6983f60 c05988bc c0598228 # [ 113.232970] 3f60: 00000000 00000000 c6983fac d249d4ef 0000000f 0000000f b6fade00 00000004 # [ 113.243758] 3f80: c03002e4 c6982000 c6983fa4 c6983f98 c059894c c0598854 00000000 c6983fa8 # [ 113.254631] 3fa0: c03000c0 c0598940 0000000f 0000000f 00000001 b6e66000 0000000f 00000000 # [ 113.265419] 3fc0: 0000000f 0000000f b6fade00 00000004 00000001 00000000 00020000 bea7ba54 # [ 113.276206] 3fe0: 00000004 bea7b788 b6f1b94f b6ea1c66 800e0030 00000001 00000000 00000000 # [ 113.287066] Backtrace: # [ 113.292154] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.303526] r4:00000024 # [ 113.308428] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.319300] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.327475] r9:c6983f60 r8:c536a540 r7:0000000f r6:b6e66000 r5:c69bd2c0 r4:c0c2d420 # [ 113.335259] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.343122] r9:c07f4bfc r8:c6983f60 r7:c2816000 r6:b6e66000 r5:c69bd2c0 r4:00000000 # [ 113.350902] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.358070] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c6982000 r5:c69bd2c0 # [ 113.365921] r4:c69bd2c0 # [ 113.368488] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 113.375655] r9:c6982000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000f r4:0000000f # [ 113.383434] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 113.391023] Exception stack(0xc6983fa8 to 0xc6983ff0) # [ 113.396103] 3fa0: 0000000f 0000000f 00000001 b6e66000 0000000f 00000000 # [ 113.404311] 3fc0: 0000000f 0000000f b6fade00 00000004 00000001 00000000 00020000 bea7ba54 # [ 113.41[ 113.881315] lkdtm: Performing direct entry EXEC_NULL 2512] 3fe0: 00000004[ b e1a173b.887000] lkdtm: attempting ok execution at c0c2ddb0 88 b6f1b94f b6ea1c66 # [ 113.41[ 113.894489] lkdtm: attempting bad execution at 00000000 7599] Code: bad PC value # [ 11[ 113.902555] 8<--- cut here --- 3.420687] ---[ end trace 315d618f[ 113.908431] Unable to handle kernel NULL pointer dereference at virtual address 00000000 037af184 ]--- # EXEC_USERSPACE: [ 113.919426] pgd = 631240f5 missing 'call trace:': [FAIL] no[ 113.924975] [00000000] *pgd=00000000 t ok 35 selftests: lkdtm: EXEC_US[ 113.931447] Internal error: Oops: 80000005 [#9] SMP ARM ERSPACE.sh # exit=1 # selftests:[ 113.939476] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 lkdtm: EXEC_NULL.sh [ 113.971180] CPU: 2 PID: 2221 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 113.980823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 113.987364] PC is at 0x0 [ 113.989919] LR is at execute_location+0xa4/0xb4 [ 113.994458] pc : [<00000000>] lr : [] psr: 600e0013 [ 114.000732] sp : c5b07e38 ip : c5b07d40 fp : c5b07e54 [ 114.005964] r10: 0000000a r9 : c1acb98c r8 : c15e7d40 [ 114.011196] r7 : c5b07f60 r6 : 00000000 r5 : 00000000 r4 : c0c2ddb0 [ 114.017732] r3 : cf51f649 r2 : cf51f649 r1 : ef7ab5e0 r0 : 0000002b [ 114.024270] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 114.031412] Control: 10c5387d Table: 16ce804a DAC: 00000051 [ 114.037170] Process cat (pid: 2221, stack limit = 0xe5d4d79d) [ 114.042926] Stack: (0xc5b07e38 to 0xc5b08000) [ 114.047293] 7e20: 00000025 c5fd6000 [ 114.055485] 7e40: 0000000a c5b07f60 c5b07e64 c5b07e58 c1358044 c1357da0 c5b07e74 c5b07e68 [ 114.063675] 7e60: c0c2d040 c1358030 c5b07e9c c5b07e78 c0c2d540 c0c2d020 c0c2d420 c47b8c80 [ 114.071865] 7e80: b6e44000 0000000a c536a540 c5b07f60 c5b07ec4 c5b07ea0 c07f4c60 c0c2d42c [ 114.080056] 7ea0: 00000000 c47b8c80 b6e44000 c2816000 c5b07f60 c07f4bfc c5b07f5c c5b07ec8 [ 114.088245] 7ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c5b06000 [ 114.096434] 7ee0: b6e44000 00020000 00000004 0000000a 0001fff6 c5b07ee0 00000001 b6e43000 [ 114.104624] 7f00: c5abe640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 114.112813] 7f20: 00000000 00000000 c136d588 cf51f649 c205c080 c47b8c80 c47b8c80 c5b06000 [ 114.121001] 7f40: b6e44000 00000000 00000000 00000004 c5b07f94 c5b07f60 c05988bc c0598228 [ 114.129190] 7f60: 00000000 00000000 c5b07fac cf51f649 0000000a 0000000a b6f8be00 00000004 [ 114.137378] 7f80: c03002e4 c5b06000 c5b07fa4 c5b07f98 c059894c c0598854 00000000 c5b07fa8 [ 114.145566] 7fa0: c03000c0 c0598940 0000000a 0000000a 00000001 b6e44000 0000000a 00000000 [ 114.153755] 7fc0: 0000000a 0000000a b6f8be00 00000004 00000001 00000000 00020000 bed1aa54 [ 114.161945] 7fe0: 00000004 bed1a788 b6ef994f b6e7fc66 800e0030 00000001 00000000 00000000 [ 114.170128] Backtrace: [ 114.172603] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 114.180791] r7:c5b07f60 r6:0000000a r5:c5fd6000 r4:00000025 [ 114.186474] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.194582] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.202606] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.210537] r9:c5b07f60 r8:c536a540 r7:0000000a r6:b6e44000 r5:c47b8c80 r4:c0c2d420 [ 114.218297] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.226142] r9:c07f4bfc r8:c5b07f60 r7:c2816000 r6:b6e44000 r5:c47b8c80 r4:00000000 [ 114.233900] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.241048] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c5b06000 r5:c47b8c80 [ 114.248884] r4:c47b8c80 [ 114.251430] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.258576] r9:c5b06000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000000a r4:0000000a [ 114.266336] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.273912] Exception stack(0xc5b07fa8 to 0xc5b07ff0) [ 114.278975] 7fa0: 0000000a 0000000a 00000001 b6e44000 0000000a 00000000 [ 114.287166] 7fc0: 0000000a 0000000a b6f8be00 00000004 00000001 00000000 00020000 bed1aa54 [ 114.295352] 7fe0: 00000004 bed1a788 b6ef994f b6e7fc66 [ 114.300418] Code: bad PC value [ 114.303578] ---[ end trace 315d618f037af185 ]--- # Segmentation fault # [ 113.881315] lkdtm: Performing direct entry EXEC_NULL # [ 113.887000] lkdtm: attempting ok execution at c0c2ddb0 # [ 113.894489] lkdtm: attempting bad execution at 00000000 # [ 113.902555] 8<--- cut here --- # [ 113.908431] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 113.919426] pgd = 631240f5 # [ 113.924975] [00000000] *pgd=00000000 # [ 113.931447] Internal error: Oops: 80000005 [#9] SMP ARM # [ 113.939476] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 113.971180] CPU: 2 PID: 2221 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 113.980823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.987364] PC is at 0x0 # [ 113.989919] LR is at execute_location+0xa4/0xb4 # [ 113.994458] pc : [<00000000>] lr : [] psr: 600e0013 # [ 114.000732] sp : c5b07e38 ip : c5b07d40 fp : c5b07e54 # [ 114.005964] r10: 0000000a r9 : c1acb98c r8 : c15e7d40 # [ 114.011196] r7 : c5b07f60 r6 : 00000000 r5 : 00000000 r4 : c0c2ddb0 # [ 114.017732] r3 : cf51f649 r2 : cf51f649 r1 : ef7ab5e0 r0 : 0000002b # [ 114.024270] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.031412] Control: 10c5387d Table: 16ce804a DAC: 00000051 # [ 114.037170] Process cat (pid: 2221, stack limit = 0xe5d4d79d) # [ 114.042926] Stack: (0xc5b07e38 to 0xc5b08000) # [ 114.047293] 7e20: 00000025 c5fd6000 # [ 114.055485] 7e40: 0000000a c5b07f60 c5b07e64 c5b07e58 c1358044 c1357da0 c5b07e74 c5b07e68 # [ 114.063675] 7e60: c0c2d040 c1358030 c5b07e9c c5b07e78 c0c2d540 c0c2d020 c0c2d420 c47b8c80 # [ 114.071865] 7e80: b6e44000 0000000a c536a540 c5b07f60 c5b07ec4 c5b07ea0 c07f4c60 c0c2d42c # [ 114.080056] 7ea0: 00000000 c47b8c80 b6e44000 c2816000 c5b07f60 c07f4bfc c5b07f5c c5b07ec8 # [ 114.088245] 7ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c5b06000 # [ 114.096434] 7ee0: b6e44000 00020000 00000004 0000000a 0001fff6 c5b07ee0 00000001 b6e43000 # [ 114.104624] 7f00: c5abe640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.112813] 7f20: 00000000 00000000 c136d588 cf51f649 c205c080 c47b8c80 c47b8c80 c5b06000 # [ 114.121001] 7f40: b6e44000 00000000 00000000 00000004 c5b07f94 c5b07f60 c05988bc c0598228 # [ 114.129190] 7f60: 00000000 00000000 c5b07fac cf51f649 0000000a 0000000a b6f8be00 00000004 # [ 114.137378] 7f80: c03002e4 c5b06000 c5b07fa4 c5b07f98 c059894c c0598854 00000000 c5b07fa8 # [ 114.145566] 7fa0: c03000c0 c0598940 0000000a 0000000a 00000001 b6e44000 0000000a 00000000 # [ 114.153755] 7fc0: 0000000a 0000000a b6f8be00 00000004 00000001 00000000 00020000 bed1aa54 # [ 114.161945] 7fe0: 00000004 bed1a788 b6ef994f b6e7fc66 800e0030 00000001 00000000 00000000 # [ 114.170128] Backtrace: # [ 114.172603] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 114.180791] r7:c5b07f60 r6:0000000a r5:c5fd6000 r4:00000025 # [ 114.186474] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.194582] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.202606] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.210537] r9:c5b07f60 r8:c536a540 r7:0000000a r6:b6e44000 r5:c47b8c80 r4:c0c2d420 # [ 114.218297] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.226142] r9:c07f4bfc r8:c5b07f60 r7:c2816000 r6:b6e44000 r5:c47b8c80 r4:00000000 # [ 114.233900] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.241048] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c5b06000 r5:c47b8c80 # [ 114.248884] r4:c47b8c80 # [ 114.251430] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.258576] r9:c5b06000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000000a r4:0000000a # [ 114.266336] [] (sys_write) from [] (ret_fast_syscall+0x0/0x[ 114.790842] lkdtm: attempting bad read at b6fe6000 28) # [ 114.273912] Exception s[ 114.798295] 8<--- cut here --- tack(0xc5b0[7 f a181 4t.o8 004x1c2] Unhandled fault: page domain fault (0x01b) at 0xb6fe6000 5b07ff0) # [ 114.[2 7 8191745.]12378] pgd = 839840f1 7fa0: 0000000a 114.817261] [b6fe6000] *pgd=49acc831 0000000a 00000001 b6e44000 0[0 0114.823629] Internal error: : 1b [#10] SMP ARM 0000a 00000000 # [ 114.287166] [ 114.830676] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 7fc0: 0000000a 0000000a b6f8be00 [ 114.862397] CPU: 1 PID: 2297 Comm: cat Tainted: G D W 5.10.129-cip12 #1 00000004 00000[0 0 11 1040.080702997] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 00020000 bed1aa54 # [ 114.29[ 114.881556] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 5352] 7[f e 01:1 40.808090603050] LR is at 0x0 bed1a788 b6ef994f b6e7[f c 16164.893838] pc : [] lr : [<00000000>] psr: 600e0013 # [ 114.300418] C[o d e1:1 4b.a02452] sp : c6e27e38 ip : 00000027 fp : c6e27e64 d PC value #[ [ 1 1141.49.039053] r10: 00000011 r9 : c1acb998 r8 : c15e7d40 3578] ---[ end tr[a c e1 1341.59d6997] r7 : c6e27f60 r6 : 00000051 r5 : c6e26000 r4 : b6fe6000 618f037af185 ]--[- 11#4 .E9X2E611] r3 : e703fc30 r2 : e703fc30 r1 : ef7965e4 r0 : 00000026 C_NULL: missing 'call[ t r1a1c4e934147] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none :': [FAIL] not ok 3[6 s1e1l4f.943545] Control: 10c5387d Table: 16f1804a DAC: 00000051 ests: lkdtm: EXEC[_ N U1L1L4..s9h1554] Process cat (pid: 2297, stack limit = 0x2723da19) # exit=1 # selftes[t s :1 1l4k.959391] Stack: (0xc6e27e38 to 0xc6e28000) tm: ACCESS_USERSPACE.sh[ 114.966013] 7e20: 00000022 00000000 [ 114.976372] 7e40: 00000000 e703fc30 c6e27e6c 00000026 c580a000 00000011 c6e27e74 c6e27e68 [ 114.984581] 7e60: c0c2d040 c0c2df20 c6e27e9c c6e27e78 c0c2d540 c0c2d020 c0c2d420 c5ace140 [ 114.992788] 7e80: b6ea0000 00000011 c536a540 c6e27f60 c6e27ec4 c6e27ea0 c07f4c60 c0c2d42c [ 115.000996] 7ea0: 00000000 c5ace140 b6ea0000 c2816000 c6e27f60 c07f4bfc c6e27f5c c6e27ec8 [ 115.009204] 7ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6e26000 [ 115.017411] 7ee0: b6ea0000 00020000 00000004 00000011 0001ffef c6e27ee0 00000001 b6e9f000 [ 115.025617] 7f00: c5ae9b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.033824] 7f20: 00000000 00000000 c136d588 e703fc30 c205c080 c5ace140 c5ace140 c6e26000 [ 115.042031] 7f40: b6ea0000 00000000 00000000 00000004 c6e27f94 c6e27f60 c05988bc c0598228 [ 115.050239] 7f60: 00000000 00000000 c6e27fac e703fc30 00000011 00000011 b6fe7e00 00000004 [ 115.058446] 7f80: c03002e4 c6e26000 c6e27fa4 c6e27f98 c059894c c0598854 00000000 c6e27fa8 [ 115.066653] 7fa0: c03000c0 c0598940 00000011 00000011 00000001 b6ea0000 00000011 00000000 [ 115.074860] 7fc0: 00000011 00000011 b6fe7e00 00000004 00000001 00000000 00020000 bedb7a54 [ 115.083067] 7fe0: 00000004 bedb7788 b6f5594f b6edbc66 800e0030 00000001 00000000 00000000 [ 115.091260] Backtrace: [ 115.093767] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.102492] r6:00000011 r5:c580a000 r4:00000026 [ 115.107147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.115191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.123139] r9:c6e27f60 r8:c536a540 r7:00000011 r6:b6ea0000 r5:c5ace140 r4:c0c2d420 [ 115.130923] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.138784] r9:c07f4bfc r8:c6e27f60 r7:c2816000 r6:b6ea0000 r5:c5ace140 r4:00000000 [ 115.146562] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.153729] r10:00000004 r9:00000000 r8:00000000 r7:b6ea0000 r6:c6e26000 r5:c5ace140 [ 115.161578] r4:c5ace140 [ 115.164144] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.171311] r9:c6e26000 r8:c03002e4 r7:00000004 r6:b6fe7e00 r5:00000011 r4:00000011 [ 115.179088] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.186678] Exception stack(0xc6e27fa8 to 0xc6e27ff0) [ 115.191758] 7fa0: 00000011 00000011 00000001 b6ea0000 00000011 00000000 [ 115.199965] 7fc0: 00000011 00000011 b6fe7e00 00000004 00000001 00000000 00020000 bedb7a54 [ 115.208166] 7fe0: 00000004 bedb7788 b6f5594f b6edbc66 [ 115.213248] Code: e1a01004 e30c08bc e34c01ac eb1c7c5f (e5943000) [ 115.219372] ---[ end trace 315d618f037af186 ]--- # Segmentation fault # [ 114.782555] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 114.790842] lkdtm: attempting bad read at b6fe6000 # [ 114.798295] 8<--- cut here --- # [ 114.804192] Unhandled fault: page domain fault (0x01b) at 0xb6fe6000 # [ 114.812378] pgd = 839840f1 # [ 114.817261] [b6fe6000] *pgd=49acc831 # [ 114.823629] Internal error: : 1b [#10] SMP ARM # [ 114.830676] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 114.862397] CPU: 1 PID: 2297 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 114.872997] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.881556] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 114.889635] LR is at 0x0 # [ 114.893838] pc : [] lr : [<00000000>] psr: 600e0013 # [ 114.902452] sp : c6e27e38 ip : 00000027 fp : c6e27e64 # [ 114.909853] r10: 00000011 r9 : c1acb998 r8 : c15e7d40 # [ 114.916997] r7 : c6e27f60 r6 : 00000051 r5 : c6e26000 r4 : b6fe6000 # [ 114.925611] r3 : e703fc30 r2 : e703fc30 r1 : ef7965e4 r0 : 00000026 # [ 114.934147] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.943545] Control: 10c5387d Table: 16f1804a DAC: 00000051 # [ 114.951554] Process cat (pid: 2297, stack limit = 0x2723da19) # [ 114.959391] Stack: (0xc6e27e38 to 0xc6e28000) # [ 114.966013] 7e20: 00000022 00000000 # [ 114.976372] 7e40: 00000000 e703fc30 c6e27e6c 00000026 c580a000 00000011 c6e27e74 c6e27e68 # [ 114.984581] 7e60: c0c2d040 c0c2df20 c6e27e9c c6e27e78 c0c2d540 c0c2d020 c0c2d420 c5ace140 # [ 114.992788] 7e80: b6ea0000 00000011 c536a540 c6e27f60 c6e27ec4 c6e27ea0 c07f4c60 c0c2d42c # [ 115.000996] 7ea0: 00000000 c5ace140 b6ea0000 c2816000 c6e27f60 c07f4bfc c6e27f5c c6e27ec8 # [ 115.009204] 7ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6e26000 # [ 115.017411] 7ee0: b6ea0000 00020000 00000004 00000011 0001ffef c6e27ee0 00000001 b6e9f000 # [ 115.025617] 7f00: c5ae9b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.033824] 7f20: 00000000 00000000 c136d588 e703fc30 c205c080 c5ace140 c5ace140 c6e26000 # [ 115.042031] 7f40: b6ea0000 00000000 00000000 00000004 c6e27f94 c6e27f60 c05988bc c0598228 # [ 115.050239] 7f60: 00000000 00000000 c6e27fac e703fc30 00000011 00000011 b6fe7e00 00000004 # [ 115.058446] 7f80: c03002e4 c6e26000 c6e27fa4 c6e27f98 c059894c c0598854 00000000 c6e27fa8 # [ 115.066653] 7fa0: c03000c0 c0598940 00000011 00000011 00000001 b6ea0000 00000011 00000000 # [ 115.074860] 7fc0: 00000011 00000011 b6fe7e00 00000004 00000001 00000000 00020000 bedb7a54 # [ 115.083067] 7fe0: 00000004 bedb7788 b6f5594f b6edbc66 800e0030 00000001 00000000 00000000 # [ 115.091260] Backtrace: # [ 115.093767] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.102492] r6:00000011 r5:c580a000 r4:00000026 # [ 115.107147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.115191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.123139] r9:c6e27f60 r8:c536a540 r7:00000011 r6:b6ea0000 r5:c5ace140 r4:c0c2d420 # [ 115.130923] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.138784] r9:c07f4bfc r8:c6e27f60 r7:c2816000 r6:b6ea0000 r5:c5ace140 r4:00000000 # [ 115.146562] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.153729] r10:00000004 r9:00000000 r8:00000000 r7:b6ea0000 r6:c6e26000 r5:c5ace140 # [ 115.161578] r4:c5ace140 # [ 115.164144] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.171311] r9:c6e26000 r8:c03002e4 r7:00000004 r6:b6fe7e00 r5:00000011 r4:00000011 # [ 115.179[ 115.718505] lkdtm: Performing direct entry ACCESS_NULL 088] [] (sys_write) fro[ 115.723923] lkdtm: attempting bad read at 00000000 m [] (ret_fast_syscall+[ 115.731710] 8<--- cut here --- 0x0/0x28) # [ 115.186678] Excep[ 115.737472] Unable to handle kernel NULL pointer dereference at virtual address 00000000 tion stack(0xc6e27fa8 to 0xc6e27f[ 115.748456] pgd = 123e364f f0) # [ 115.191758] 7fa0: [ 115.754027] [00000000] *pgd=00000000 00000011 00000011 00[ 115.760452] Internal error: Oops: 5 [#11] SMP ARM 000001 b6ea0000 00000011 00000000[ 115.767990] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 115.199965] 7f[c 0 :1 105.799689] CPU: 3 PID: 2372 Comm: cat Tainted: G D W 5.10.129-cip12 #1 000011 0000[0 0 1111 5b.68f0e976e0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 00000004 00000001 00000000 000[ 115.818045] PC is at lkdtm_ACCESS_NULL+0x28/0x68 20000 bedb7a54 # [ 115.2[0 8 1115.825520] LR is at __irq_work_queue_local+0x40/0x74 6] 7fe0: 000[0 0 010145 .b8e3d3b078] pc : [] lr : [] psr: 600e0013 788 b6f559[4 f 1b165e.d8b4c12656] sp : c6e7be50 ip : c6e7bd58 fp : c6e7be64 # [ 115[. 2 1131254.88]4 8C2o10] r10: 0000000c r9 : c1acb9ac r8 : c15e7d40 e: e1a010[0 4 1e1350.c80585b2c5 ] r7 : c6e7bf60 r6 : 0000000c r5 : c5e36000 r4 : 00000000 e34c01a[c e1b115c.78c653f5 1(7] r3 : c5332e66 r2 : c5332e66 r1 : ef7c05e0 r0 : 00000026 5943000) # [[ 111155..82711995] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 372] ---[ e[n d 1t1r5a.c8e8 03718] Control: 10c5387d Table: 16e2404a DAC: 00000051 5d618f037af186 ]-[- -11 5#. 8A88307] Process cat (pid: 2372, stack limit = 0x30937d2f) CESS_USER[S P A1C1E5:. 8m9i6s1s3i] Stack: (0xc6e7be50 to 0xc6e7c000) ng 'call trace:[' : 1[1F5A.I9L0]227] be40: 00000027 c5e36000 c6e7be74 c6e7be68 not ok 37 self[t e s1t1s5:. 9l12398] be60: c0c2d040 c1358054 c6e7be9c c6e7be78 c0c2d540 c0c2d020 c0c2d420 c5ae9cc0 dtm: ACCESS_US[E R S1P1A5.C9E2.2s55] be80: b6ea2000 0000000c c536a540 c6e7bf60 c6e7bec4 c6e7bea0 c07f4c60 c0c2d42c h # exit=1 # se[l f t1e1s5t.s9:32743] bea0: 00000000 c5ae9cc0 b6ea2000 c2816000 c6e7bf60 c07f4bfc c6e7bf5c c6e7bec8 lkdtm: ACCESS_[N U L1L1.5s.h94 2999] bec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6e7a000 [ 115.953172] bee0: b6ea2000 00020000 00000004 0000000c 0001fff4 c6e7bee0 00000001 b6ea1000 [ 115.961359] bf00: c5ffa140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.969545] bf20: 00000000 00000000 c136d588 c5332e66 c205c080 c5ae9cc0 c5ae9cc0 c6e7a000 [ 115.977730] bf40: b6ea2000 00000000 00000000 00000004 c6e7bf94 c6e7bf60 c05988bc c0598228 [ 115.985915] bf60: 00000000 00000000 c6e7bfac c5332e66 0000000c 0000000c b6fe9e00 00000004 [ 115.994101] bf80: c03002e4 c6e7a000 c6e7bfa4 c6e7bf98 c059894c c0598854 00000000 c6e7bfa8 [ 116.002285] bfa0: c03000c0 c0598940 0000000c 0000000c 00000001 b6ea2000 0000000c 00000000 [ 116.010469] bfc0: 0000000c 0000000c b6fe9e00 00000004 00000001 00000000 00020000 be864a54 [ 116.018654] bfe0: 00000004 be864788 b6f5794f b6eddc66 800e0030 00000001 00000000 00000000 [ 116.026834] Backtrace: [ 116.029308] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.037579] r5:c5e36000 r4:00000027 [ 116.041167] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.049183] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.057108] r9:c6e7bf60 r8:c536a540 r7:0000000c r6:b6ea2000 r5:c5ae9cc0 r4:c0c2d420 [ 116.064863] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.072703] r9:c07f4bfc r8:c6e7bf60 r7:c2816000 r6:b6ea2000 r5:c5ae9cc0 r4:00000000 [ 116.080456] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.087599] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c6e7a000 r5:c5ae9cc0 [ 116.095432] r4:c5ae9cc0 [ 116.097975] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.105118] r9:c6e7a000 r8:c03002e4 r7:00000004 r6:b6fe9e00 r5:0000000c r4:0000000c [ 116.112873] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.120446] Exception stack(0xc6e7bfa8 to 0xc6e7bff0) [ 116.125506] bfa0: 0000000c 0000000c 00000001 b6ea2000 0000000c 00000000 [ 116.133692] bfc0: 0000000c 0000000c b6fe9e00 00000004 00000001 00000000 00020000 be864a54 [ 116.141876] bfe0: 00000004 be864788 b6f5794f b6eddc66 [ 116.146936] Code: e30c08bc e34c01ac e1a01004 ebffd44d (e5945000) [ 116.153110] ---[ end trace 315d618f037af187 ]--- # Segmentation fault # [ 115.718505] lkdtm: Performing direct entry ACCESS_NULL # [ 115.723923] lkdtm: attempting bad read at 00000000 # [ 115.731710] 8<--- cut here --- # [ 115.737472] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 115.748456] pgd = 123e364f # [ 115.754027] [00000000] *pgd=00000000 # [ 115.760452] Internal error: Oops: 5 [#11] SMP ARM # [ 115.767990] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 115.799689] CPU: 3 PID: 2372 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 115.809680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.818045] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 115.825520] LR is at __irq_work_queue_local+0x40/0x74 # [ 115.833078] pc : [] lr : [] psr: 600e0013 # [ 115.841251] sp : c6e7be50 ip : c6e7bd58 fp : c6e7be64 # [ 115.848210] r10: 0000000c r9 : c1acb9ac r8 : c15e7d40 # [ 115.855255] r7 : c6e7bf60 r6 : 0000000c r5 : c5e36000 r4 : 00000000 # [ 115.863517] r3 : c5332e66 r2 : c5332e66 r1 : ef7c05e0 r0 : 00000026 # [ 115.871695] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.880738] Control: 10c5387d Table: 16e2404a DAC: 00000051 # [ 115.888307] Process cat (pid: 2372, stack limit = 0x30937d2f) # [ 115.896131] Stack: (0xc6e7be50 to 0xc6e7c000) # [ 115.902227] be40: 00000027 c5e36000 c6e7be74 c6e7be68 # [ 115.912398] be60: c0c2d040 c1358054 c6e7be9c c6e7be78 c0c2d540 c0c2d020 c0c2d420 c5ae9cc0 # [ 115.922655] be80: b6ea2000 0000000c c536a540 c6e7bf60 c6e7bec4 c6e7bea0 c07f4c60 c0c2d42c # [ 115.932743] bea0: 00000000 c5ae9cc0 b6ea2000 c2816000 c6e7bf60 c07f4bfc c6e7bf5c c6e7bec8 # [ 115.942999] bec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6e7a000 # [ 115.953172] bee0: b6ea2000 00020000 00000004 0000000c 0001fff4 c6e7bee0 00000001 b6ea1000 # [ 115.961359] bf00: c5ffa140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.969545] bf20: 00000000 00000000 c136d588 c5332e66 c205c080 c5ae9cc0 c5ae9cc0 c6e7a000 # [ 115.977730] bf40: b6ea2000 00000000 00000000 00000004 c6e7bf94 c6e7bf60 c05988bc c0598228 # [ 115.985915] bf60: 00000000 00000000 c6e7bfac c5332e66 0000000c 0000000c b6fe9e00 00000004 # [ 115.994101] bf80: c03002e4 c6e7a000 c6e7bfa4 c6e7bf98 c059894c c0598854 00000000 c6e7bfa8 # [ 116.002285] bfa0: c03000c0 c0598940 0000000c 0000000c 00000001 b6ea2000 0000000c 00000000 # [ 116.010469] bfc0: 0000000c 0000000c b6fe9e00 00000004 00000001 00000000 00020000 be864a54 # [ 116.018654] bfe0: 00000004 be864788 b6f5794f b6eddc66 800e0030 00000001 00000000 00000000 # [ 116.026834] Backtrace: # [ 116.029308] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.037579] r5:c5e36000 r4:00000027 # [ 116.041167] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.049183] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.057108] r9:c6e7bf60 r8:c536a540 r7:0000000c r6:b6ea2000 r5:c5ae9cc0 r4:c0c2d420 # [ 116.064863] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.072703] r9:c07f4bfc r8:c6e7bf60 r7:c2816000 r6:b6ea2000 r5:c5ae9cc0 r4:00000000 # [ 116.080456] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.087599] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c6e7a000 r5:c5ae9cc0 # [ 116.095432] r4:c5ae9cc0 # [ 116.097975] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.105118] r9:c6e7a000 r8:c03002e4 r7:00000004 r6:b6fe9e00 r5:0000000c r4:0000000c # [ 116.112873] [] (sys_[ 116.638142] lkdtm: Performing direct entry WRITE_RO write) from [] (ret_fas[ 116.645413] lkdtm: attempting bad rodata write at c15e7fd8 t_syscall+0x0/0x28) # [ 116.120[ 116.653730] 8<--- cut here --- [ 116.659581] Unable to handle kernel paging request at virtual address c15e7fd8 [ 116.666823] pgd = 264a937e [ 116.669554] [c15e7fd8] *pgd=1141941e(bad) [ 116.673622] Internal error: Oops: 80d [#12] SMP ARM [ 116.678524] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 116.707821] CPU: 0 PID: 2446 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 116.715588] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.722161] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 116.726562] LR is at __irq_work_queue_local+0x40/0x74 [ 116.731637] pc : [] lr : [] psr: 600e0013 [ 116.737924] sp : c68ade50 ip : c68add58 fp : c68ade64 [ 116.743169] r10: 00000009 r9 : c1acb9b8 r8 : c15e7d40 [ 116.748415] r7 : c68adf60 r6 : 00000009 r5 : c6d07000 r4 : c15e7fd8 [ 116.754964] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acc7bc [ 116.761515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 116.768673] Control: 10c5387d Table: 16ec404a DAC: 00000051 [ 116.774442] Process cat (pid: 2446, stack limit = 0x5156677d) [ 116.780211] Stack: (0xc68ade50 to 0xc68ae000) [ 116.784600] de40: 00000028 c6d07000 c68ade74 c68ade68 [ 116.792809] de60: c0c2d040 c1357e54 c68ade9c c68ade78 c0c2d540 c0c2d020 c0c2d420 c5abea00 [ 116.801018] de80: b6e4a000 00000009 c536a540 c68adf60 c68adec4 c68adea0 c07f4c60 c0c2d42c [ 116.809225] dea0: 00000000 c5abea00 b6e4a000 c2816000 c68adf60 c07f4bfc c68adf5c c68adec8 [ 116.817432] dec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c68ac000 [ 116.825640] dee0: b6e4a000 00020000 00000004 00000009 0001fff7 c68adee0 00000001 b6e49000 [ 116.833847] df00: c5acea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 116.842054] df20: 00000000 00000000 c136d588 ca03ef81 c205c080 c5abea00 c5abea00 c68ac000 [ 116.850262] df40: b6e4a000 00000000 00000000 00000004 c68adf94 c68adf60 c05988bc c0598228 [ 116.858468] df60: 00000000 00000000 c68adfac ca03ef81 00000009 00000009 b6f91e00 00000004 [ 116.866674] df80: c03002e4 c68ac000 c68adfa4 c68adf98 c059894c c0598854 00000000 c68adfa8 [ 116.874881] dfa0: c03000c0 c0598940 00000009 00000009 00000001 b6e4a000 00000009 00000000 [ 116.883087] dfc0: 00000009 00000009 b6f91e00 00000004 00000001 00000000 00020000 beb37a54 [ 116.891293] dfe0: 00000004 beb37788 b6eff94f b6e85c66 800e0030 00000001 00000000 00000000 [ 116.899490] Backtrace: [ 116.902007] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.910038] r5:c6d07000 r4:00000028 [ 116.913656] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.921701] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.929649] r9:c68adf60 r8:c536a540 r7:00000009 r6:b6e4a000 r5:c5abea00 r4:c0c2d420 [ 116.937434] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.945296] r9:c07f4bfc r8:c68adf60 r7:c2816000 r6:b6e4a000 r5:c5abea00 r4:00000000 [ 116.953072] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.960240] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c68ac000 r5:c5abea00 [ 116.968090] r4:c5abea00 [ 116.970656] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.977824] r9:c68ac000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:00000009 r4:00000009 [ 116.985603] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.993193] Exception stack(0xc68adfa8 to 0xc68adff0) [ 116.998274] dfa0: 00000009 00000009 00000001 b6e4a000 00000009 00000000 [ 117.006482] dfc0: 00000009 00000009 b6f91e00 00000004 00000001 00000000 00020000 beb37a54 [ 117.014685] dfe0: 00000004 beb37788 b6eff94f b6e85c66 [ 117.019768] Code: e34a3bcd e30c07bc e34c01ac e0233002 (e5843000) [ 117.025893] ---[ end trace 315d618f037af188 ]--- 446] Exception stack(0xc6e7bfa8 to 0xc6e7bff0) # [ 116.125506] bfa0: 0000000c 0000000c 00000001 b6ea2000 0000000c 00000000 # [ 116.133692] bfc0: 0000000c 0000000c b6fe9e00 00000004 00000001 00000000 00020000 be864a54 # [ 116.141876] bfe0: 00000004 be864788 b6f5794f b6eddc66 # [ 116.146936] Code: e30c08bc e34c01ac e1a01004 ebffd44d (e5945000) # [ 116.153110] ---[ end trace 315d618f037af187 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 116.638142] lkdtm: Performing direct entry WRITE_RO # [ 116.645413] lkdtm: attempting bad rodata write at c15e7fd8 # [ 116.653730] 8<--- cut here --- # [ 116.659581] Unable to handle kernel paging request at virtual address c15e7fd8 # [ 116.666823] pgd = 264a937e # [ 116.669554] [c15e7fd8] *pgd=1141941e(bad) # [ 116.673622] Internal error: Oops: 80d [#12] SMP ARM # [ 116.678524] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 116.707821] CPU: 0 PID: 2446 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 116.715588] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.722161] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 116.726562] LR is at __irq_work_queue_local+0x40/0x74 # [ 116.731637] pc : [] lr : [] psr: 600e0013 # [ 116.737924] sp : c68ade50 ip : c68add58 fp : c68ade64 # [ 116.743169] r10: 00000009 r9 : c1acb9b8 r8 : c15e7d40 # [ 116.748415] r7 : c68adf60 r6 : 00000009 r5 : c6d07000 r4 : c15e7fd8 # [ 116.754964] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acc7bc # [ 116.761515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.768673] Control: 10c5387d Table: 16ec404a DAC: 00000051 # [ 116.774442] Process cat (pid: 2446, stack limit = 0x5156677d) # [ 116.780211] Stack: (0xc68ade50 to 0xc68ae000) # [ 116.784600] de40: 00000028 c6d07000 c68ade74 c68ade68 # [ 116.792809] de60: c0c2d040 c1357e54 c68ade9c c68ade78 c0c2d540 c0c2d020 c0c2d420 c5abea00 # [ 116.801018] de80: b6e4a000 00000009 c536a540 c68adf60 c68adec4 c68adea0 c07f4c60 c0c2d42c # [ 116.809225] dea0: 00000000 c5abea00 b6e4a000 c2816000 c68adf60 c07f4bfc c68adf5c c68adec8 # [ 116.817432] dec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c68ac000 # [ 116.825640] dee0: b6e4a000 00020000 00000004 00000009 0001fff7 c68adee0 00000001 b6e49000 # [ 116.833847] df00: c5acea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.842054] df20: 00000000 00000000 c136d588 ca03ef81 c205c080 c5abea00 c5abea00 c68ac000 # [ 116.850262] df40: b6e4a000 00000000 00000000 00000004 c68adf94 c68adf60 c05988bc c0598228 # [ 116.858468] df60: 00000000 00000000 c68adfac ca03ef81 00000009 00000009 b6f91e00 00000004 # [ 116.866674] df80: c03002e4 c68ac000 c68adfa4 c68adf98 c059894c c0598854 00000000 c68adfa8 # [ 116.874881] dfa0: c03000c0 c0598940 00000009 00000009 00000001 b6e4a000 00000009 00000000 # [ 116.883087] dfc0: 00000009 00000009 b6f91e00 00000004 00000001 00000000 00020000 beb37a54 # [ 116.891293] dfe0: 00000004 beb37788 b6eff94f b6e85c66 800e0030 00000001 00000000 00000000 # [ 116.899490] Backtrace: # [ 116.902007] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.910038] r5:c6d07000 r4:00000028 # [ 116.913656] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.921701] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.929649] r9:c68adf60 r8:c536a540 r7:00000009 r6:b6e4a000 r5:c5abea00 r4:c0c2d420 # [ 116.937434] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.945296] r9:c07f4bfc r8:c68adf60 r7:c2816000 r6:b6e4a000 r5:c5abea00 r4:00000000 # [ 116.953072] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.960240] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c68ac000 r5:c5abea00 # [ 116.968090] r4:c5abea00 # [ 116.970656] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.977824] r9:c68ac000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:00000009 r4:00000009 # [ 116.985603] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.993193] Exception stack(0xc68adfa8 to 0xc68adff0) # [ 116.998274] dfa0: [ 117.524467] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 00000009 00000009 [ 117.532188] lkdtm: attempting bad ro_after_init write at c1b7dc48 00000001 b6e4a000 00000009 000000[ 117.541075] 8<--- cut here --- 00 # [ 117.006482][ d f1c107:.546940] Unable to handle kernel paging request at virtual address c1b7dc48 00000009 00000009[ b 61f1971.e506425] pgd = 3f3fe672 0 00000004 00000001 00000000 0002[ 117.561227] [c1b7dc48] *pgd=11a1941e(bad) 0000 beb37a54 # [ 117.014685] [ 117.568118] Internal error: Oops: 80d [#13] SMP ARM fe0: 00000004 beb37788 b6eff94f b[ 117.575769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 6e85c66 # [ 117.019768] Code: e[ 117.607491] CPU: 2 PID: 2520 Comm: cat Tainted: G D W 5.10.129-cip12 #1 34a3bcd e30c07b[ c 1e1374.c60118091] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c e0233002 (e5843000) # [ 117.[ 117.626650] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 025893] ---[ end trace 315d618f03[ 117.634829] LR is at __irq_work_queue_local+0x40/0x74 7af188 ]--- # WRITE_[R O :1 1m7i642733] pc : [] lr : [] psr: 600e0013 ssing 'call tr[a c e1:1'7:. 6[5F1258] sp : c6e23e50 ip : c6e23d58 fp : c6e23e64 IL] not ok 39 se[l f t1e1s7t.s6:8487] r10: 00000014 r9 : c1acb9c4 r8 : c15e7d40 lkdtm: WRITE_RO.[s h 1#1 7e.x6i5802] r7 : c6e23f60 r6 : 00000014 r5 : c5ddf000 r4 : c1b7dc48 t=1 # selftests:[ l k1d1t7m.:6 4418] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1acc7bc WRITE_RO_AFTER_INIT.sh[ 117.683039] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 117.692260] Control: 10c5387d Table: 15a2404a DAC: 00000051 [ 117.698029] Process cat (pid: 2520, stack limit = 0x320ef06b) [ 117.703802] Stack: (0xc6e23e50 to 0xc6e24000) [ 117.708191] 3e40: 00000029 c5ddf000 c6e23e74 c6e23e68 [ 117.716400] 3e60: c0c2d040 c1357ea4 c6e23e9c c6e23e78 c0c2d540 c0c2d020 c0c2d420 c47b8640 [ 117.724608] 3e80: b6e48000 00000014 c536a540 c6e23f60 c6e23ec4 c6e23ea0 c07f4c60 c0c2d42c [ 117.732815] 3ea0: 00000000 c47b8640 b6e48000 c2816000 c6e23f60 c07f4bfc c6e23f5c c6e23ec8 [ 117.741022] 3ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6e22000 [ 117.749231] 3ee0: b6e48000 00020000 00000004 00000014 0001ffec c6e23ee0 00000001 b6e47000 [ 117.757438] 3f00: c5ae8640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.765647] 3f20: 00000000 00000000 c136d588 9a55883f c205c080 c47b8640 c47b8640 c6e22000 [ 117.773855] 3f40: b6e48000 00000000 00000000 00000004 c6e23f94 c6e23f60 c05988bc c0598228 [ 117.782063] 3f60: 00000000 00000000 c6e23fac 9a55883f 00000014 00000014 b6f8fe00 00000004 [ 117.790271] 3f80: c03002e4 c6e22000 c6e23fa4 c6e23f98 c059894c c0598854 00000000 c6e23fa8 [ 117.798479] 3fa0: c03000c0 c0598940 00000014 00000014 00000001 b6e48000 00000014 00000000 [ 117.806687] 3fc0: 00000014 00000014 b6f8fe00 00000004 00000001 00000000 00020000 bef63a54 [ 117.814895] 3fe0: 00000004 bef63788 b6efd94f b6e83c66 800e0030 00000001 00000000 00000000 [ 117.823089] Backtrace: [ 117.825608] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.834593] r5:c5ddf000 r4:00000029 [ 117.838209] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.846253] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.854203] r9:c6e23f60 r8:c536a540 r7:00000014 r6:b6e48000 r5:c47b8640 r4:c0c2d420 [ 117.861985] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.869846] r9:c07f4bfc r8:c6e23f60 r7:c2816000 r6:b6e48000 r5:c47b8640 r4:00000000 [ 117.877625] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.884791] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c6e22000 r5:c47b8640 [ 117.892640] r4:c47b8640 [ 117.895208] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.902374] r9:c6e22000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000014 r4:00000014 [ 117.910152] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.917742] Exception stack(0xc6e23fa8 to 0xc6e23ff0) [ 117.922823] 3fa0: 00000014 00000014 00000001 b6e48000 00000014 00000000 [ 117.931030] 3fc0: 00000014 00000014 b6f8fe00 00000004 00000001 00000000 00020000 bef63a54 [ 117.939232] 3fe0: 00000004 bef63788 b6efd94f b6e83c66 [ 117.944313] Code: e34a3bcd e30c07bc e34c01ac e0233002 (e5843000) [ 117.950438] ---[ end trace 315d618f037af189 ]--- # Segmentation fault # [ 117.524467] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 117.532188] lkdtm: attempting bad ro_after_init write at c1b7dc48 # [ 117.541075] 8<--- cut here --- # [ 117.546940] Unable to handle kernel paging request at virtual address c1b7dc48 # [ 117.556425] pgd = 3f3fe672 # [ 117.561227] [c1b7dc48] *pgd=11a1941e(bad) # [ 117.568118] Internal error: Oops: 80d [#13] SMP ARM # [ 117.575769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 117.607491] CPU: 2 PID: 2520 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 117.618091] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.626650] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 117.634829] LR is at __irq_work_queue_local+0x40/0x74 # [ 117.642733] pc : [] lr : [] psr: 600e0013 # [ 117.651258] sp : c6e23e50 ip : c6e23d58 fp : c6e23e64 # [ 117.658487] r10: 00000014 r9 : c1acb9c4 r8 : c15e7d40 # [ 117.665802] r7 : c6e23f60 r6 : 00000014 r5 : c5ddf000 r4 : c1b7dc48 # [ 117.674418] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1acc7bc # [ 117.683039] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.692260] Control: 10c5387d Table: 15a2404a DAC: 00000051 # [ 117.698029] Process cat (pid: 2520, stack limit = 0x320ef06b) # [ 117.703802] Stack: (0xc6e23e50 to 0xc6e24000) # [ 117.708191] 3e40: 00000029 c5ddf000 c6e23e74 c6e23e68 # [ 117.716400] 3e60: c0c2d040 c1357ea4 c6e23e9c c6e23e78 c0c2d540 c0c2d020 c0c2d420 c47b8640 # [ 117.724608] 3e80: b6e48000 00000014 c536a540 c6e23f60 c6e23ec4 c6e23ea0 c07f4c60 c0c2d42c # [ 117.732815] 3ea0: 00000000 c47b8640 b6e48000 c2816000 c6e23f60 c07f4bfc c6e23f5c c6e23ec8 # [ 117.741022] 3ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6e22000 # [ 117.749231] 3ee0: b6e48000 00020000 00000004 00000014 0001ffec c6e23ee0 00000001 b6e47000 # [ 117.757438] 3f00: c5ae8640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.765647] 3f20: 00000000 00000000 c136d588 9a55883f c205c080 c47b8640 c47b8640 c6e22000 # [ 117.773855] 3f40: b6e48000 00000000 00000000 00000004 c6e23f94 c6e23f60 c05988bc c0598228 # [ 117.782063] 3f60: 00000000 00000000 c6e23fac 9a55883f 00000014 00000014 b6f8fe00 00000004 # [ 117.790271] 3f80: c03002e4 c6e22000 c6e23fa4 c6e23f98 c059894c c0598854 00000000 c6e23fa8 # [ 117.798479] 3fa0: c03000c0 c0598940 00000014 00000014 00000001 b6e48000 00000014 00000000 # [ 117.806687] 3fc0: 00000014 00000014 b6f8fe00 00000004 00000001 00000000 00020000 bef63a54 # [ 117.814895] 3fe0: 00000004 bef63788 b6efd94f b6e83c66 800e0030 00000001 00000000 00000000 # [ 117.823089] Backtrace: # [ 117.825608] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.834593] r5:c5ddf000 r4:00000029 # [ 117.838209] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.846253] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.854203] r9:c6e23f60 r8:c536a540 r7:00000014 r6:b6e48000 r5:c47b8640 r4:c0c2d420 # [ 117.861985] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.869846] r9:c07f4bfc r8:c6e23f60 r7:c2816000 r6:b6e48000 r5:c47b8640 r4:00000000 # [ 117.877625] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.884791] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c6e22000 r5:c47b8640 # [ 117.892640] r4:c47b8640 # [ 117.895208] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.902374] r9:c6e22000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:00000014 r4:00000014 # [ 117.910152] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.917742] Exception stack(0xc6e23fa8 to 0xc6e23ff0) # [ 117.922823] 3fa0: 00000014 00000014 00000001 b6e48000 0000001[ 118.466951] lkdtm: Performing direct entry WRITE_KERN 4 00000000 # [ 117.931030] 3fc0[ 118.473689] lkdtm: attempting bad 7512000 byte write at c1357d70 : 00000014 00000014 b6f8fe00 0000[ 118.482595] 8<--- cut here --- [ 118.488438] Unable to handle kernel paging request at virtual address c1357d70 [ 118.495679] pgd = 2277e594 [ 118.498411] [c1357d70] *pgd=1121940e(bad) [ 118.502480] Internal error: Oops: 80d [#14] SMP ARM [ 118.507382] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 118.536675] CPU: 0 PID: 2594 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 118.544439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.551001] PC is at memcpy+0x50/0x330 [ 118.554778] LR is at 0xe92dd830 [ 118.557947] pc : [] lr : [] psr: 200e0013 [ 118.564236] sp : c6951e2c ip : e1a0c00d fp : c6951e64 [ 118.569480] r10: 0000000b r9 : c1acb9d8 r8 : e89da800 [ 118.574726] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 118.581274] r3 : e1a0c00d r2 : 00729f20 r1 : c0c2ddd0 r0 : c1357d70 [ 118.587826] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 118.594986] Control: 10c5387d Table: 1705404a DAC: 00000051 [ 118.600754] Process cat (pid: 2594, stack limit = 0x09fa91c2) [ 118.606523] Stack: (0xc6951e2c to 0xc6952000) [ 118.610914] 1e20: c0c2ddb0 00729fc0 c6951f60 c15e7d40 c1357d70 [ 118.619125] 1e40: c1357d70 c1357f54 0000002a c6c81000 0000000b c6951f60 c6951e74 c6951e68 [ 118.627334] 1e60: c0c2d040 c1357f14 c6951e9c c6951e78 c0c2d540 c0c2d020 c0c2d420 c5abe3c0 [ 118.635542] 1e80: b6ea2000 0000000b c536a540 c6951f60 c6951ec4 c6951ea0 c07f4c60 c0c2d42c [ 118.643751] 1ea0: 00000000 c5abe3c0 b6ea2000 c2816000 c6951f60 c07f4bfc c6951f5c c6951ec8 [ 118.651959] 1ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6950000 [ 118.660167] 1ee0: b6ea2000 00020000 00000004 0000000b 0001fff5 c6951ee0 00000001 b6ea1000 [ 118.668373] 1f00: c5ae97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 118.676582] 1f20: 00000000 00000000 c136d588 19182ffb c205c080 c5abe3c0 c5abe3c0 c6950000 [ 118.684790] 1f40: b6ea2000 00000000 00000000 00000004 c6951f94 c6951f60 c05988bc c0598228 [ 118.692999] 1f60: 00000000 00000000 c6951fac 19182ffb 0000000b 0000000b b6fe9e00 00000004 [ 118.701208] 1f80: c03002e4 c6950000 c6951fa4 c6951f98 c059894c c0598854 00000000 c6951fa8 [ 118.709414] 1fa0: c03000c0 c0598940 0000000b 0000000b 00000001 b6ea2000 0000000b 00000000 [ 118.717621] 1fc0: 0000000b 0000000b b6fe9e00 00000004 00000001 00000000 00020000 beba4a54 [ 118.725829] 1fe0: 00000004 beba4788 b6f5794f b6eddc66 800e0030 00000001 00000000 00000000 [ 118.734022] Backtrace: [ 118.736549] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.744759] r7:c6951f60 r6:0000000b r5:c6c81000 r4:0000002a [ 118.750459] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.758503] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.766452] r9:c6951f60 r8:c536a540 r7:0000000b r6:b6ea2000 r5:c5abe3c0 r4:c0c2d420 [ 118.774236] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.782101] r9:c07f4bfc r8:c6951f60 r7:c2816000 r6:b6ea2000 r5:c5abe3c0 r4:00000000 [ 118.789879] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.797046] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c6950000 r5:c5abe3c0 [ 118.804895] r4:c5abe3c0 [ 118.807462] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.814627] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6fe9e00 r5:0000000b r4:0000000b [ 118.822405] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.829996] Exception stack(0xc6951fa8 to 0xc6951ff0) [ 118.835075] 1fa0: 0000000b 0000000b 00000001 b6ea2000 0000000b 00000000 [ 118.843283] 1fc0: 0000000b 0000000b b6fe9e00 00000004 00000001 00000000 00020000 beba4a54 [ 118.851484] 1fe0: 00000004 beba4788 b6f5794f b6eddc66 [ 118.856564] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 118.862691] ---[ end trace 315d618f037af18a ]--- 0004 00000001 00000000 00020000 bef63a54 # [ 117.939232] 3fe0: 00000004 bef63788 b6efd94f b6e83c66 # [ 117.944313] Code: e34a3bcd e30c07bc e34c01ac e0233002 (e5843000) # [ 117.950438] ---[ end trace 315d618f037af189 ]--- # 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 # [ 118.466951] lkdtm: Performing direct entry WRITE_KERN # [ 118.473689] lkdtm: attempting bad 7512000 byte write at c1357d70 # [ 118.482595] 8<--- cut here --- # [ 118.488438] Unable to handle kernel paging request at virtual address c1357d70 # [ 118.495679] pgd = 2277e594 # [ 118.498411] [c1357d70] *pgd=1121940e(bad) # [ 118.502480] Internal error: Oops: 80d [#14] SMP ARM # [ 118.507382] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 118.536675] CPU: 0 PID: 2594 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 118.544439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.551001] PC is at memcpy+0x50/0x330 # [ 118.554778] LR is at 0xe92dd830 # [ 118.557947] pc : [] lr : [] psr: 200e0013 # [ 118.564236] sp : c6951e2c ip : e1a0c00d fp : c6951e64 # [ 118.569480] r10: 0000000b r9 : c1acb9d8 r8 : e89da800 # [ 118.574726] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 118.581274] r3 : e1a0c00d r2 : 00729f20 r1 : c0c2ddd0 r0 : c1357d70 # [ 118.587826] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 118.594986] Control: 10c5387d Table: 1705404a DAC: 00000051 # [ 118.600754] Process cat (pid: 2594, stack limit = 0x09fa91c2) # [ 118.606523] Stack: (0xc6951e2c to 0xc6952000) # [ 118.610914] 1e20: c0c2ddb0 00729fc0 c6951f60 c15e7d40 c1357d70 # [ 118.619125] 1e40: c1357d70 c1357f54 0000002a c6c81000 0000000b c6951f60 c6951e74 c6951e68 # [ 118.627334] 1e60: c0c2d040 c1357f14 c6951e9c c6951e78 c0c2d540 c0c2d020 c0c2d420 c5abe3c0 # [ 118.635542] 1e80: b6ea2000 0000000b c536a540 c6951f60 c6951ec4 c6951ea0 c07f4c60 c0c2d42c # [ 118.643751] 1ea0: 00000000 c5abe3c0 b6ea2000 c2816000 c6951f60 c07f4bfc c6951f5c c6951ec8 # [ 118.651959] 1ec0: c0598328 c07f4c08 00000001 00000000 c05988bc c136d588 c05988bc c6950000 # [ 118.660167] 1ee0: b6ea2000 00020000 00000004 0000000b 0001fff5 c6951ee0 00000001 b6ea1000 # [ 118.668373] 1f00: c5ae97c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 118.676582] 1f20: 00000000 00000000 c136d588 19182ffb c205c080 c5abe3c0 c5abe3c0 c6950000 # [ 118.684790] 1f40: b6ea2000 00000000 00000000 00000004 c6951f94 c6951f60 c05988bc c0598228 # [ 118.692999] 1f60: 00000000 00000000 c6951fac 19182ffb 0000000b 0000000b b6fe9e00 00000004 # [ 118.701208] 1f80: c03002e4 c6950000 c6951fa4 c6951f98 c059894c c0598854 00000000 c6951fa8 # [ 118.709414] 1fa0: c03000c0 c0598940 0000000b 0000000b 00000001 b6ea2000 0000000b 00000000 # [ 118.717621] 1fc0: 0000000b 0000000b b6fe9e00 00000004 00000001 00000000 00020000 beba4a54 # [ 118.725829] 1fe0: 00000004 beba4788 b6f5794f b6eddc66 800e0030 00000001 00000000 00000000 # [ 118.734022] Backtrace: # [ 118.736549] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.744759] r7:c6951f60 r6:0000000b r5:c6c81000 r4:0000002a # [ 118.750459] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.758503] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.766452] r9:c6951f60 r8:c536a540 r7:0000000b r6:b6ea2000 r5:c5abe3c0 r4:c0c2d420 # [ 118.774236] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.782101] r9:c07f4bfc r8:c6951f60 r7:c2816000 r6:b6ea2000 r5:c5abe3c0 r4:00000000 # [ 118.789879] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.797046] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c6950000 r5:c5abe3c0 # [ 118.804895] r4:c5abe3c0 # [ 118.807462] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.814627] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6fe9e00 r5:0000000b[ 119.331998] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW r4:0000000b # [ [ 1 1181.98.2338324] lkdtm: attempting good refcount_inc() without overflow 405] [] (sys_write) fro[ 119.346739] lkdtm: attempting bad refcount_inc() overflow m [] (ret_fast_syscall+[ 119.355040] ------------[ cut here ]------------ 0x0/0x28) # [ 118.829996] Excep[ 119.362496] WARNING: CPU: 2 PID: 2669 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 tion stack(0xc6951fa8 to 0xc6951f[ 119.373758] refcount_t: saturated; leaking memory. f0) # [ 118.835075] 1fa0: [ 119.381406] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 0000000b 0000000b 00[ 119.413119] CPU: 2 PID: 2669 Comm: cat Tainted: G D W 5.10.129-cip12 #1 000001 b6[e a 2101090. 4020306080] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00b 00000000 # [[ 111189..8441947] Backtrace: 3283] 1fc0: 0000000b 0000000b b[6 119.436492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) fe9e00 0000000[4 101090.040406037] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 1 00000000 00020[0 0 01 1b9e.b4a54306] [] (show_stack) from [] (dump_stack+0xe0/0x100) a54 # [ 118.851484] 1f[e 0 :1 19.463701] [] (dump_stack) from [] (__warn+0xfc/0x16c) 0000004 beba478[8 b161f95.74974086] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 f b6eddc66 # [ 118.[8 5 6151694482827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ] Code: f5d1[f 0 51c1 9f.54d912f558] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c5b06000 7c e8b151f8 e2522020 (e[8 a 10159.500133] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) f8) # [ 118.[8 6 2161991.]5 1-426] r9:c1acb9e4 r8:c15e7d40 r7:c5b07f60 r6:00000016 r5:c6c3d000 r4:c5b06000 --[ end trace 315d618f037af18a[ 119.521175] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) --- # WRITE_KERN: missin[g '1c9.533513] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) all trace:': [FAIL] [n o t1 1o9k546026] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) 41 self[t e s1t1s9.:5 5l7k4d0t4m r4:0000002b : WRITE_KERN.sh # ex[i t =1119 .561594] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) selftests: lkdtm: REFC[O U N1T1_.571854] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) INC_OVERFLOW.[s h 1 19.582105] r9:c5b07f60 r8:c536a540 r7:00000016 r6:b6eb5000 r5:c5ffb7c0 r4:c0c2d420 [ 119.591327] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.599165] r9:c07f4bfc r8:c5b07f60 r7:c2816000 r6:b6eb5000 r5:c5ffb7c0 r4:00000000 [ 119.606918] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.614061] r10:00000004 r9:00000000 r8:00000000 r7:b6eb5000 r6:c5b06000 r5:c5ffb7c0 [ 119.621895] r4:c5ffb7c0 [ 119.624438] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.631582] r9:c5b06000 r8:c03002e4 r7:00000004 r6:b6ffce00 r5:00000016 r4:00000016 [ 119.639334] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.646908] Exception stack(0xc5b07fa8 to 0xc5b07ff0) [ 119.651970] 7fa0: 00000016 00000016 00000001 b6eb5000 00000016 00000000 [ 119.660155] 7fc0: 00000016 00000016 b6ffce00 00000004 00000001 00000000 00020000 bea64a54 [ 119.668340] 7fe0: 00000004 bea64788 b6f6a94f b6ef0c66 [ 119.673452] irq event stamp: 0 [ 119.676524] hardirqs last enabled at (0): [<00000000>] 0x0 [ 119.682139] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 119.689684] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 119.697211] softirqs last disabled at (0): [<00000000>] 0x0 [ 119.702839] ---[ end trace 315d618f037af18b ]--- [ 119.707472] lkdtm: Overflow detected: saturated # [ 119.331998] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 119.338324] lkdtm: attempting good refcount_inc() without overflow # [ 119.346739] lkdtm: attempting bad refcount_inc() overflow # [ 119.355040] ------------[ cut here ]------------ # [ 119.362496] WARNING: CPU: 2 PID: 2669 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 119.373758] refcount_t: saturated; leaking memory. # [ 119.381406] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 119.413119] CPU: 2 PID: 2669 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 119.423685] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.431947] Backtrace: # [ 119.436492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 119.446737] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 119.454306] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 119.463701] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 119.473086] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 # [ 119.482827] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 119.492558] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c5b06000 # [ 119.500133] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 119.511426] r9:c1acb9e4 r8:c15e7d40 r7:c5b07f60 r6:00000016 r5:c6c3d000 r4:c5b06000 # [ 119.521175] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 119.533513] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 119.546026] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.557404] r4:0000002b # [ 119.561594] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.571854] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.582105] r9:c5b07f60 r8:c536a540 r7:00000016 r6:b6eb5000 r5:c5ffb7c0 r4:c0c2d420 # [ 119.591327] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.599165] r9:c07f4bfc r8:c5b07f60 r7:c2816000 r6:b6eb5000 r5:c5ffb7c0 r4:00000000 # [ 119.606918] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.614061] r10:00000004 r9:00000000 r8:00000000 r7:b6eb5000 r6:c5b06000 r5:c5ffb7c0 # [ 119.621895] r4:c5ffb7c0 # [ 119.624438] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.631582] r9:c5b06000 r8:c03002e4 r7:00000004 r6:b6ffce00 r5:00000016 r4:00000016 # [ 119.639334] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.646908] Exception stack(0xc5b07fa8 to 0xc5b07ff0) # [ 119.651970] 7fa0: 00000016 00000016 00000001 b6eb5000 00000016 00000000 # [ 119.660155] 7fc0: 00000016 00000016 b6ffce00 00000004 00000001 00000000 00020000 bea64a54 # [ 119.668340] 7fe0: 00000004 bea64788 b6f6a94f b6ef0c66 # [ 119.673452] irq event stamp: 0 # [ 119.676524] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 119.682139] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 119.689684] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 119.697211] softirqs last disabled at (0): [<00000000>] 0x0 # [ 119.702839] ---[ e[ 120.112225] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW nd trace 315d618f037af18b ]--- #[ 120.119783] lkdtm: attempting good refcount_add() without overflow [ 119.707472] lkdtm: Overflow d[ 120.128736] lkdtm: attempting bad refcount_add() overflow etected: saturated # REFCOUNT_IN[ 120.137070] ------------[ cut here ]------------ C_OVERFLOW: missing 'call trace:'[ 120.144700] WARNING: CPU: 0 PID: 2703 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 : [FAIL] not ok 42 selftests: lk[ 120.155997] refcount_t: saturated; leaking memory. dtm: REFCOUNT_INC_OVERFLOW.sh # e[ 120.163653] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 xit=1 # selftests: lkdtm: REFCOU[ 120.195384] CPU: 0 PID: 2703 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 120.205949] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.212482] Backtrace: [ 120.214956] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.222534] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 120.228202] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.235523] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.242493] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 [ 120.250247] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.257737] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c6f7c000 [ 120.263412] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 120.272379] r9:c1acb9fc r8:c15e7d40 r7:c6f7df60 r6:00000016 r5:c6e52000 r4:c6f7c000 [ 120.280140] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 120.289810] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 120.299911] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.309046] r4:0000002c [ 120.311591] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.319610] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.327536] r9:c6f7df60 r8:c536a540 r7:00000016 r6:b6dd1000 r5:c5abe280 r4:c0c2d420 [ 120.335292] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.343131] r9:c07f4bfc r8:c6f7df60 r7:c2816000 r6:b6dd1000 r5:c5abe280 r4:00000000 [ 120.350883] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.358025] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c6f7c000 r5:c5abe280 [ 120.365858] r4:c5abe280 [ 120.368400] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.375543] r9:c6f7c000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000016 r4:00000016 [ 120.383297] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.390871] Exception stack(0xc6f7dfa8 to 0xc6f7dff0) [ 120.395931] dfa0: 00000016 00000016 00000001 b6dd1000 00000016 00000000 [ 120.404116] dfc0: 00000016 00000016 b6f18e00 00000004 00000001 00000000 00020000 beb1fa54 [ 120.412299] dfe0: 00000004 beb1f788 b6e8694f b6e0cc66 NT_ADD_OVERFLOW.sh [ 120.417417] irq event stamp: 0 [ 120.422213] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.427802] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 120.435325] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 120.442844] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.448426] ---[ end trace 315d618f037af18c ]--- [ 120.453079] lkdtm: Overflow detected: saturated # [ 120.112225] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 120.119783] lkdtm: attempting good refcount_add() without overflow # [ 120.128736] lkdtm: attempting bad refcount_add() overflow # [ 120.137070] ------------[ cut here ]------------ # [ 120.144700] WARNING: CPU: 0 PID: 2703 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 120.155997] refcount_t: saturated; leaking memory. # [ 120.163653] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 120.195384] CPU: 0 PID: 2703 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 120.205949] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.212482] Backtrace: # [ 120.214956] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.222534] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 120.228202] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.235523] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.242493] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 # [ 120.250247] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.257737] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c6f7c000 # [ 120.263412] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 120.272379] r9:c1acb9fc r8:c15e7d40 r7:c6f7df60 r6:00000016 r5:c6e52000 r4:c6f7c000 # [ 120.280140] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 120.289810] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 120.299911] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.309046] r4:0000002c # [ 120.311591] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.319610] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.327536] r9:c6f7df60 r8:c536a540 r7:00000016 r6:b6dd1000 r5:c5abe280 r4:c0c2d420 # [ 120.335292] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.343131] r9:c07f4bfc r8:c6f7df60 r7:c2816000 r6:b6dd1000 r5:c5abe280 r4:00000000 # [ 120.350883] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.358025] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c6f7c000 r5:c5abe280 # [ 120.365858] r4:c5abe280 # [ 120.368400] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.375543] r9:c6f7c000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000016 r4:00000016 # [ 120.383297] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.390871] Exception stack(0xc6f7dfa8 to 0xc6f7dff0) # [ 120.395931] dfa0: 00000016 00000016 00000001 b6dd1000 00000016 00000000 # [ 120.404116] dfc0: 00000016 00000016 b6f18e00 00000004 00000001 00000000 00020000 beb1fa54 # [ 120.412299] dfe0: 00000004 beb1f788 b6e8694f b6e0cc66 # [ 120.417417] irq event stamp: 0 # [ 120.422213] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.427802] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 120.435325] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 120.442844] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.448426] ---[ end trace 315d618f037af18c ]--- # [ 120.453079] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok[ 120.882916] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 43 selftests: lkdtm: REFCOUNT_AD[ 120.890351] lkdtm: attempting bad refcount_inc_not_zero() overflow D_OVERFLOW.sh # exit=1 # selftes[ 120.899367] ------------[ cut here ]------------ ts: lkdtm: REFCOUNT_INC_NOT_ZERO_[ 120.906957] WARNING: CPU: 0 PID: 2737 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 OVERFLOW.sh [ 120.918250] refcount_t: saturated; leaking memory. [ 120.925208] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 120.955165] CPU: 0 PID: 2737 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 120.962922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.969456] Backtrace: [ 120.971940] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.979522] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 120.985199] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.992524] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.999500] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 [ 121.007259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.014752] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6b5e000 [ 121.020435] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 121.029408] r9:c1acba14 r8:c15e7d40 r7:c6b5ff60 r6:0000001f r5:c5ecd000 r4:7fffffff [ 121.037174] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 121.047629] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 121.059288] r5:c5ecd000 r4:c6b5e000 [ 121.062886] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.072807] r4:0000002d [ 121.075359] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.083383] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.091310] r9:c6b5ff60 r8:c536a540 r7:0000001f r6:b6e79000 r5:c5aeb680 r4:c0c2d420 [ 121.099071] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.106914] r9:c07f4bfc r8:c6b5ff60 r7:c2816000 r6:b6e79000 r5:c5aeb680 r4:00000000 [ 121.114669] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.121816] r10:00000004 r9:00000000 r8:00000000 r7:b6e79000 r6:c6b5e000 r5:c5aeb680 [ 121.129652] r4:c5aeb680 [ 121.132198] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.139346] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6fc0e00 r5:0000001f r4:0000001f [ 121.147104] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.154680] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) [ 121.159744] ffa0: 0000001f 0000001f 00000001 b6e79000 0000001f 00000000 [ 121.167934] ffc0: 0000001f 0000001f b6fc0e00 00000004 00000001 00000000 00020000 be98ea54 [ 121.176120] ffe0: 00000004 be98e788 b6f2e94f b6eb4c66 [ 121.181249] irq event stamp: 0 [ 121.184327] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.189964] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.197464] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.204997] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.210619] ---[ end trace 315d618f037af18d ]--- [ 121.215250] lkdtm: Overflow detected: saturated # [ 120.882916] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 120.890351] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 120.899367] ------------[ cut here ]------------ # [ 120.906957] WARNING: CPU: 0 PID: 2737 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 120.918250] refcount_t: saturated; leaking memory. # [ 120.925208] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 120.955165] CPU: 0 PID: 2737 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 120.962922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.969456] Backtrace: # [ 120.971940] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.979522] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 120.985199] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.992524] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.999500] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 # [ 121.007259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.014752] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6b5e000 # [ 121.020435] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 121.029408] r9:c1acba14 r8:c15e7d40 r7:c6b5ff60 r6:0000001f r5:c5ecd000 r4:7fffffff # [ 121.037174] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 121.047629] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 121.059288] r5:c5ecd000 r4:c6b5e000 # [ 121.062886] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.072807] r4:0000002d # [ 121.075359] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.083383] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.091310] r9:c6b5ff60 r8:c536a540 r7:0000001f r6:b6e79000 r5:c5aeb680 r4:c0c2d420 # [ 121.099071] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.106914] r9:c07f4bfc r8:c6b5ff60 r7:c2816000 r6:b6e79000 r5:c5aeb680 r4:00000000 # [ 121.114669] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.121816] r10:00000004 r9:00000000 r8:00000000 r7:b6e79000 r6:c6b5e000 r5:c5aeb680 # [ 121.129652] r4:c5aeb680 # [ 121.132198] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.139346] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6fc0e00 r5:0000001f r4:0000001f # [ 121.147104] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.154680] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) # [ 121.159744] ffa0: 0000001f 0000001f 00000001 b6e79000 0000001f 00000000 # [ 121.167934] ffc0: 0000001f 0000001f b6fc0e00 00000004 00000001 00000000 00020000 be98ea54 # [ 121.176120] ffe0: 00000004 be98e788 b6f2e94f b6eb4c66 # [ 121.181249] irq event stamp: 0 # [ 121.184327] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.189964] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.197464] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.204997] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.210619] ---[ end trace 315d618f037af18d ]---[ 121.643915] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 121.215250] lkdtm: Overflow[ 121.652358] lkdtm: attempting bad refcount_add_not_zero() overflow detected: saturated # REFCOUNT_[ 121.661339] ------------[ cut here ]------------ INC_NOT_ZERO_OVERFLOW: missing 'c[ 121.668792] WARNING: CPU: 2 PID: 2771 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 all trace:': [FAIL] not ok 44 se[ 121.680176] refcount_t: saturated; leaking memory. lftests: lkdtm: REFCOUNT_INC_NOT_[ 121.687720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 ZERO_OVERFLOW.sh # exit=1 # self[ 121.719491] CPU: 2 PID: 2771 Comm: cat Tainted: G D W 5.10.129-cip12 #1 tests: lkd[t m :1 2R1E.F7C3O0U0N14] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) _ADD_NOT_ZERO_OVERFL[O W .1s2h1.738363] Backtrace: [ 121.743079] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.750657] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 121.756329] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.763650] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.770622] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 [ 121.778378] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.785870] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6982000 [ 121.791545] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 121.800512] r9:c1acba34 r8:c15e7d40 r7:c6983f60 r6:0000001f r5:c6ab8000 r4:7fffffff [ 121.808274] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 121.818723] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 121.830377] r5:c6ab8000 r4:c6982000 [ 121.833969] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.843887] r4:0000002e [ 121.846434] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.854452] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.862376] r9:c6983f60 r8:c536a540 r7:0000001f r6:b6dc3000 r5:c5ae8640 r4:c0c2d420 [ 121.870132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.877972] r9:c07f4bfc r8:c6983f60 r7:c2816000 r6:b6dc3000 r5:c5ae8640 r4:00000000 [ 121.885723] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.892866] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c6982000 r5:c5ae8640 [ 121.900699] r4:c5ae8640 [ 121.903243] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.910387] r9:c6982000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:0000001f r4:0000001f [ 121.918142] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.925717] Exception stack(0xc6983fa8 to 0xc6983ff0) [ 121.930777] 3fa0: 0000001f 0000001f 00000001 b6dc3000 0000001f 00000000 [ 121.938964] 3fc0: 0000001f 0000001f b6f0ae00 00000004 00000001 00000000 00020000 bee88a54 [ 121.947145] 3fe0: 00000004 bee88788 b6e7894f b6dfec66 [ 121.952257] irq event stamp: 0 [ 121.955329] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.960942] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.968443] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.975981] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.981607] ---[ end trace 315d618f037af18e ]--- [ 121.986244] lkdtm: Overflow detected: saturated # [ 121.643915] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 121.652358] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 121.661339] ------------[ cut here ]------------ # [ 121.668792] WARNING: CPU: 2 PID: 2771 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 121.680176] refcount_t: saturated; leaking memory. # [ 121.687720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 121.719491] CPU: 2 PID: 2771 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 121.730014] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.738363] Backtrace: # [ 121.743079] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.750657] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 121.756329] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.763650] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.770622] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 # [ 121.778378] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.785870] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6982000 # [ 121.791545] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 121.800512] r9:c1acba34 r8:c15e7d40 r7:c6983f60 r6:0000001f r5:c6ab8000 r4:7fffffff # [ 121.808274] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 121.818723] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 121.830377] r5:c6ab8000 r4:c6982000 # [ 121.833969] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.843887] r4:0000002e # [ 121.846434] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.854452] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.862376] r9:c6983f60 r8:c536a540 r7:0000001f r6:b6dc3000 r5:c5ae8640 r4:c0c2d420 # [ 121.870132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.877972] r9:c07f4bfc r8:c6983f60 r7:c2816000 r6:b6dc3000 r5:c5ae8640 r4:00000000 # [ 121.885723] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.892866] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c6982000 r5:c5ae8640 # [ 121.900699] r4:c5ae8640 # [ 121.903243] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.910387] r9:c6982000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:0000001f r4:0000001f # [ 121.918142] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.925717] Exception stack(0xc6983fa8 to 0xc6983ff0) # [ 121.930777] 3fa0: 0000001f 0000001f 00000001 b6dc3000 0000001f 00000000 # [ 121.938964] 3fc0: 0000001f 0000001f b6f0ae00 00000004 00000001 00000000 00020000 bee88a54 # [ 121.947145] 3fe0: 00000004 bee88788 b6e7894f b6dfec66 # [ 121.952257] irq event stamp: 0 # [ 121.955329] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.960942] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.968443] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.975981] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.981607] ---[ end trace 315d618f037af18e ]--- # [ 121.986244] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_N[ 122.421083] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO OT_ZERO_OVERFLO[W . s1h2 2#. 4e2x230] lkdtm: attempting good refcount_dec() it=1 # selftests: lkdtm: REFCOUN[ 122.435045] lkdtm: attempting bad refcount_dec() to zero T_DEC_ZERO.sh [ 122.443182] ------------[ cut here ]------------ [ 122.449065] WARNING: CPU: 2 PID: 2805 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 122.457670] refcount_t: decrement hit 0; leaking memory. [ 122.463043] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 122.492194] CPU: 2 PID: 2805 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 122.499943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.506475] Backtrace: [ 122.508949] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.516526] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 122.522196] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.529517] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.536488] r9:00000009 r8:c086cf2c r7:0000001f r6:00000009 r5:c086cf2c r4:c1a1fb90 [ 122.544243] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.551732] r7:0000001f r6:c1a1fb90 r5:c1a1fbf4 r4:c6ec6000 [ 122.557406] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 122.566374] r9:c1acba54 r8:c15e7d40 r7:c6ec7f60 r6:00000012 r5:c5e32000 r4:c6ec6000 [ 122.574134] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 122.583801] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 122.593557] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.602346] r4:0000002f [ 122.604892] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.612908] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.620833] r9:c6ec7f60 r8:c536a540 r7:00000012 r6:b6e3b000 r5:c4783400 r4:c0c2d420 [ 122.628590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.636429] r9:c07f4bfc r8:c6ec7f60 r7:c2816000 r6:b6e3b000 r5:c4783400 r4:00000000 [ 122.644183] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.651326] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c6ec6000 r5:c4783400 [ 122.659160] r4:c4783400 [ 122.661703] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.668846] r9:c6ec6000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000012 r4:00000012 [ 122.676602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.684176] Exception stack(0xc6ec7fa8 to 0xc6ec7ff0) [ 122.689237] 7fa0: 00000012 00000012 00000001 b6e3b000 00000012 00000000 [ 122.697421] 7fc0: 00000012 00000012 b6f82e00 00000004 00000001 00000000 00020000 bef52a54 [ 122.705603] 7fe0: 00000004 bef52788 b6ef094f b6e76c66 [ 122.710706] irq event stamp: 0 [ 122.713779] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.719367] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.726917] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.734453] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.740074] ---[ end trace 315d618f037af18f ]--- [ 122.744705] lkdtm: Zero detected: saturated # [ 122.421083] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 122.428230] lkdtm: attempting good refcount_dec() # [ 122.435045] lkdtm: attempting bad refcount_dec() to zero # [ 122.443182] ------------[ cut here ]------------ # [ 122.449065] WARNING: CPU: 2 PID: 2805 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 122.457670] refcount_t: decrement hit 0; leaking memory. # [ 122.463043] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 122.492194] CPU: 2 PID: 2805 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 122.499943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.506475] Backtrace: # [ 122.508949] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.516526] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 122.522196] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.529517] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.536488] r9:00000009 r8:c086cf2c r7:0000001f r6:00000009 r5:c086cf2c r4:c1a1fb90 # [ 122.544243] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.551732] r7:0000001f r6:c1a1fb90 r5:c1a1fbf4 r4:c6ec6000 # [ 122.557406] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 122.566374] r9:c1acba54 r8:c15e7d40 r7:c6ec7f60 r6:00000012 r5:c5e32000 r4:c6ec6000 # [ 122.574134] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 122.583801] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 122.593557] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.602346] r4:0000002f # [ 122.604892] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.612908] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.620833] r9:c6ec7f60 r8:c536a540 r7:00000012 r6:b6e3b000 r5:c4783400 r4:c0c2d420 # [ 122.628590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.636429] r9:c07f4bfc r8:c6ec7f60 r7:c2816000 r6:b6e3b000 r5:c4783400 r4:00000000 # [ 122.644183] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.651326] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c6ec6000 r5:c4783400 # [ 122.659160] r4:c4783400 # [ 122.661703] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.668846] r9:c6ec6000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000012 r4:00000012 # [ 122.676602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.684176] Exception stack(0xc6ec7fa8 to 0xc6ec7ff0) # [ 122.689237] 7fa0: 00000012 00000012 00000001 b6e3b000 00000012 00000000 # [ 122.697421] 7fc0: 00000012 00000012 b6f82e00 00000004 00000001 00000000 00020000 bef52a54 # [ 122.705603] 7fe0: 00000004 bef52788 b6ef094f b6e76c66 # [ 122.710706] irq event stamp: 0 # [ 122.713779] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.719367] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.726917] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.734453] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.740074] ---[ end trace 315d618f037af18f ]--- # [ 122.744705] 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 [ 123.189073] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 123.195158] lkdtm: attempting bad refcount_dec() below zero [ 123.200779] ------------[ cut here ]------------ [ 123.205495] WARNING: CPU: 2 PID: 2842 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 123.214004] refcount_t: decrement hit 0; leaking memory. [ 123.219332] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 123.248658] CPU: 2 PID: 2842 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 123.256419] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.262952] Backtrace: [ 123.265424] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.273004] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 123.278673] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.285995] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.292964] r9:00000009 r8:c086cf2c r7:0000001f r6:00000009 r5:c086cf2c r4:c1a1fb90 [ 123.300719] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.308207] r7:0000001f r6:c1a1fb90 r5:c1a1fbf4 r4:c6f7e000 [ 123.313881] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 123.322849] r9:c1acba68 r8:c15e7d40 r7:c6f7ff60 r6:00000016 r5:00000000 r4:c6f7e000 [ 123.330608] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 123.340274] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 123.350377] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.359515] r5:c5f4a000 r4:00000030 [ 123.363102] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.371118] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.379043] r9:c6f7ff60 r8:c536a540 r7:00000016 r6:b6e1b000 r5:c5ad5180 r4:c0c2d420 [ 123.386800] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.394638] r9:c07f4bfc r8:c6f7ff60 r7:c2816000 r6:b6e1b000 r5:c5ad5180 r4:00000000 [ 123.402390] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.409533] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c6f7e000 r5:c5ad5180 [ 123.417366] r4:c5ad5180 [ 123.419910] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.427054] r9:c6f7e000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000016 r4:00000016 [ 123.434809] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.442383] Exception stack(0xc6f7ffa8 to 0xc6f7fff0) [ 123.447444] ffa0: 00000016 00000016 00000001 b6e1b000 00000016 00000000 [ 123.455629] ffc0: 00000016 00000016 b6f62e00 00000004 00000001 00000000 00020000 be8d8a54 [ 123.463812] ffe0: 00000004 be8d8788 b6ed094f b6e56c66 [ 123.468934] irq event stamp: 0 [ 123.472029] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.477619] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.485166] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.492704] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.498295] ---[ end trace 315d618f037af190 ]--- [ 123.502957] lkdtm: Negative detected: saturated # [ 123.189073] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 123.195158] lkdtm: attempting bad refcount_dec() below zero # [ 123.200779] ------------[ cut here ]------------ # [ 123.205495] WARNING: CPU: 2 PID: 2842 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 123.214004] refcount_t: decrement hit 0; leaking memory. # [ 123.219332] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 123.248658] CPU: 2 PID: 2842 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 123.256419] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.262952] Backtrace: # [ 123.265424] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.273004] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 123.278673] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.285995] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.292964] r9:00000009 r8:c086cf2c r7:0000001f r6:00000009 r5:c086cf2c r4:c1a1fb90 # [ 123.300719] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.308207] r7:0000001f r6:c1a1fb90 r5:c1a1fbf4 r4:c6f7e000 # [ 123.313881] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 123.322849] r9:c1acba68 r8:c15e7d40 r7:c6f7ff60 r6:00000016 r5:00000000 r4:c6f7e000 # [ 123.330608] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 123.340274] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 123.350377] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.359515] r5:c5f4a000 r4:00000030 # [ 123.363102] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.371118] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.379043] r9:c6f7ff60 r8:c536a540 r7:00000016 r6:b6e1b000 r5:c5ad5180 r4:c0c2d420 # [ 123.386800] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.394638] r9:c07f4bfc r8:c6f7ff60 r7:c2816000 r6:b6e1b000 r5:c5ad5180 r4:00000000 # [ 123.402390] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.409533] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c6f7e000 r5:c5ad5180 # [ 123.417366] r4:c5ad5180 # [ 123.419910] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.427054] r9:c6f7e000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000016 r4:00000016 # [ 123.434809] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.442383] Exception stack(0xc6f7ffa8 to 0xc6f7fff0) # [ 123.447444] ffa0: 00000016 00000016 00000001 b6e1b000 00000016 00000000 # [ 123.455629] ffc0: 00000016 00000016 b6f62e00 00000004 00000001 00000000 00020000 be8d8a54 # [ 123.463812] ffe0: 00000004 be8d8788 b6ed094f b6e56c66 # [ 123.468934] irq event stamp: 0 # [ 123.472029] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.477619] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.485166] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.492704] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.498295] ---[ end trace 315d618f037af190 ]--- # [ 123.502957] 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 [ 123.960567] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 123.967380] lkdtm: attempting bad refcount_dec_and_test() below zero [ 123.973813] ------------[ cut here ]------------ [ 123.978467] WARNING: CPU: 0 PID: 2877 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 123.987160] refcount_t: underflow; use-after-free. [ 123.992012] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 124.021180] CPU: 0 PID: 2877 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 124.028930] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.035462] Backtrace: [ 124.037934] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.045513] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 124.051182] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.058504] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.065474] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 [ 124.073230] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.080719] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c5b24000 [ 124.086394] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 124.095448] r9:c1acba80 r8:c15e7d40 r7:c5b25f60 r6:0000001f r5:00000000 r4:c5b24000 [ 124.103208] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 124.113662] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 124.125327] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.135244] r5:c6d13000 r4:00000031 [ 124.138831] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.146847] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.154773] r9:c5b25f60 r8:c536a540 r7:0000001f r6:b6e65000 r5:c5acfb80 r4:c0c2d420 [ 124.162529] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.170367] r9:c07f4bfc r8:c5b25f60 r7:c2816000 r6:b6e65000 r5:c5acfb80 r4:00000000 [ 124.178119] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.185263] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5b24000 r5:c5acfb80 [ 124.193095] r4:c5acfb80 [ 124.195638] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.202780] r9:c5b24000 r8:c03002e4 r7:00000004 r6:b6face00 r5:0000001f r4:0000001f [ 124.210535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.218109] Exception stack(0xc5b25fa8 to 0xc5b25ff0) [ 124.223170] 5fa0: 0000001f 0000001f 00000001 b6e65000 0000001f 00000000 [ 124.231354] 5fc0: 0000001f 0000001f b6face00 00000004 00000001 00000000 00020000 be950a54 [ 124.239535] 5fe0: 00000004 be950788 b6f1a94f b6ea0c66 [ 124.244662] irq event stamp: 0 [ 124.247737] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.253360] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.260900] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.268396] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.274791] ---[ end trace 315d618f037af191 ]--- [ 124.279597] lkdtm: Negative detected: saturated # [ 123.960567] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 123.967380] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 123.973813] ------------[ cut here ]------------ # [ 123.978467] WARNING: CPU: 0 PID: 2877 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 123.987160] refcount_t: underflow; use-after-free. # [ 123.992012] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 124.021180] CPU: 0 PID: 2877 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 124.028930] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.035462] Backtrace: # [ 124.037934] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.045513] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 124.051182] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.058504] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.065474] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 # [ 124.073230] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.080719] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c5b24000 # [ 124.086394] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 124.095448] r9:c1acba80 r8:c15e7d40 r7:c5b25f60 r6:0000001f r5:00000000 r4:c5b24000 # [ 124.103208] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 124.113662] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 124.125327] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.135244] r5:c6d13000 r4:00000031 # [ 124.138831] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.146847] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.154773] r9:c5b25f60 r8:c536a540 r7:0000001f r6:b6e65000 r5:c5acfb80 r4:c0c2d420 # [ 124.162529] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.170367] r9:c07f4bfc r8:c5b25f60 r7:c2816000 r6:b6e65000 r5:c5acfb80 r4:00000000 # [ 124.178119] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.185263] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5b24000 r5:c5acfb80 # [ 124.193095] r4:c5acfb80 # [ 124.195638] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.202780] r9:c5b24000 r8:c03002e4 r7:00000004 r6:b6face00 r5:0000001f r4:0000001f # [ 124.210535] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.218109] Exception stack(0xc5b25fa8 to 0xc5b25ff0) # [ 124.223170] 5fa0: 0000001f 0000001f 00000001 b6e65000 0000001f 00000000 # [ 124.231354] 5fc0: 0000001f 0000001f b6face00 00000004 00000001 00000000 00020000 be950a54 # [ 124.239535] 5fe0: 00000004 be950788 b6f1a94f b6ea0c66 # [ 124.244662] irq event stamp: 0 # [ 124.247737] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.253360] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.260900] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.268396] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.274791] ---[ end trace 315d618f037af191 ]--- # [ 124.279597] 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 [ 124.752862] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 124.759876] lkdtm: attempting bad refcount_sub_and_test() below zero [ 124.766275] ------------[ cut here ]------------ [ 124.770971] WARNING: CPU: 3 PID: 2912 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 124.779548] refcount_t: underflow; use-after-free. [ 124.784384] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 124.813898] CPU: 3 PID: 2912 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 124.821648] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.828181] Backtrace: [ 124.830653] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.838230] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 124.843899] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.851222] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.858193] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 [ 124.865947] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.873437] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c6fc2000 [ 124.879112] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 124.888167] r9:c1acbaa0 r8:c15e7d40 r7:c6fc3f60 r6:0000001f r5:c5b16000 r4:c6fc2000 [ 124.895927] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 124.906381] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 124.918043] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.927961] r4:00000032 [ 124.930507] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.938523] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.946449] r9:c6fc3f60 r8:c536a540 r7:0000001f r6:b6e63000 r5:c5abec80 r4:c0c2d420 [ 124.954204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.962042] r9:c07f4bfc r8:c6fc3f60 r7:c2816000 r6:b6e63000 r5:c5abec80 r4:00000000 [ 124.969795] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.976940] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6fc2000 r5:c5abec80 [ 124.984773] r4:c5abec80 [ 124.987317] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.994460] r9:c6fc2000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:0000001f r4:0000001f [ 125.002213] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.009788] Exception stack(0xc6fc3fa8 to 0xc6fc3ff0) [ 125.014849] 3fa0: 0000001f 0000001f 00000001 b6e63000 0000001f 00000000 [ 125.023035] 3fc0: 0000001f 0000001f b6faae00 00000004 00000001 00000000 00020000 be84ea54 [ 125.031219] 3fe0: 00000004 be84e788 b6f1894f b6e9ec66 [ 125.036342] irq event stamp: 0 [ 125.039418] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.045056] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.052610] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.060159] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.065749] ---[ end trace 315d618f037af192 ]--- [ 125.070406] lkdtm: Negative detected: saturated # [ 124.752862] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 124.759876] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 124.766275] ------------[ cut here ]------------ # [ 124.770971] WARNING: CPU: 3 PID: 2912 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 124.779548] refcount_t: underflow; use-after-free. # [ 124.784384] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 124.813898] CPU: 3 PID: 2912 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 124.821648] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.828181] Backtrace: # [ 124.830653] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.838230] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 124.843899] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.851222] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.858193] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 # [ 124.865947] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.873437] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c6fc2000 # [ 124.879112] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 124.888167] r9:c1acbaa0 r8:c15e7d40 r7:c6fc3f60 r6:0000001f r5:c5b16000 r4:c6fc2000 # [ 124.895927] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 124.906381] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 124.918043] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.927961] r4:00000032 # [ 124.930507] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.938523] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.946449] r9:c6fc3f60 r8:c536a540 r7:0000001f r6:b6e63000 r5:c5abec80 r4:c0c2d420 # [ 124.954204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.962042] r9:c07f4bfc r8:c6fc3f60 r7:c2816000 r6:b6e63000 r5:c5abec80 r4:00000000 # [ 124.969795] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.976940] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6fc2000 r5:c5abec80 # [ 124.984773] r4:c5abec80 # [ 124.987317] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.994460] r9:c6fc2000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:0000001f r4:0000001f # [ 125.002213] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.009788] Exception stack(0xc6fc3fa8 to 0xc6fc3ff0) # [ 125.014849] 3fa0: 0000001f 0000001f 00000001 b6e63000 0000001f 00000000 # [ 125.023035] 3fc0: 0000001f 0000001f b6faae00 00000004 00000001 00000000 00020000 be84ea54 # [ 125.031219] 3fe0: 00000004 be84e788 b6f1894f b6e9ec66 # [ 125.036342] irq event stamp: 0 # [ 125.039418] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.045056] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.052610] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.060159] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.065749] ---[ end trace 315d618f037af192 ]--- # [ 125.070406] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 125.535364] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 125.541105] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 125.547475] lkdtm: Good: zero detected [ 125.551423] lkdtm: Correctly stayed at zero [ 125.555645] lkdtm: attempting bad refcount_inc() from zero [ 125.561195] ------------[ cut here ]------------ [ 125.565842] WARNING: CPU: 2 PID: 2944 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 125.574412] refcount_t: addition on 0; use-after-free. [ 125.579587] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 125.608740] CPU: 2 PID: 2944 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 125.616489] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.623020] Backtrace: [ 125.625492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.633069] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 125.638738] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.646058] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.653031] r9:00000009 r8:c086cfc8 r7:00000019 r6:00000009 r5:c086cfc8 r4:c1a1fb90 [ 125.660784] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.668273] r7:00000019 r6:c1a1fb90 r5:c1a1fba0 r4:c6e7c000 [ 125.673944] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 125.682998] r9:c1acbac0 r8:c15e7d40 r7:c6e7df60 r6:00000012 r5:00000000 r4:c6e7c000 [ 125.690760] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 125.700429] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 125.710182] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.718973] r5:c6d02000 r4:00000033 [ 125.722560] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.730578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.738504] r9:c6e7df60 r8:c536a540 r7:00000012 r6:b6e83000 r5:c5ffc3c0 r4:c0c2d420 [ 125.746260] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.754099] r9:c07f4bfc r8:c6e7df60 r7:c2816000 r6:b6e83000 r5:c5ffc3c0 r4:00000000 [ 125.761850] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.768994] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6e7c000 r5:c5ffc3c0 [ 125.776828] r4:c5ffc3c0 [ 125.779372] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.786516] r9:c6e7c000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012 [ 125.794269] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.801843] Exception stack(0xc6e7dfa8 to 0xc6e7dff0) [ 125.806904] dfa0: 00000012 00000012 00000001 b6e83000 00000012 00000000 [ 125.815089] dfc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 beb48a54 [ 125.823272] dfe0: 00000004 beb48788 b6f3894f b6ebec66 [ 125.828383] irq event stamp: 0 [ 125.831477] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.837066] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.844598] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.852148] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.857745] ---[ end trace 315d618f037af193 ]--- [ 125.862458] lkdtm: Zero detected: saturated # [ 125.535364] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 125.541105] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 125.547475] lkdtm: Good: zero detected # [ 125.551423] lkdtm: Correctly stayed at zero # [ 125.555645] lkdtm: attempting bad refcount_inc() from zero # [ 125.561195] ------------[ cut here ]------------ # [ 125.565842] WARNING: CPU: 2 PID: 2944 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 125.574412] refcount_t: addition on 0; use-after-free. # [ 125.579587] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 125.608740] CPU: 2 PID: 2944 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 125.616489] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.623020] Backtrace: # [ 125.625492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.633069] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 125.638738] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.646058] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.653031] r9:00000009 r8:c086cfc8 r7:00000019 r6:00000009 r5:c086cfc8 r4:c1a1fb90 # [ 125.660784] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.668273] r7:00000019 r6:c1a1fb90 r5:c1a1fba0 r4:c6e7c000 # [ 125.673944] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 125.682998] r9:c1acbac0 r8:c15e7d40 r7:c6e7df60 r6:00000012 r5:00000000 r4:c6e7c000 # [ 125.690760] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 125.700429] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 125.710182] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.718973] r5:c6d02000 r4:00000033 # [ 125.722560] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.730578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.738504] r9:c6e7df60 r8:c536a540 r7:00000012 r6:b6e83000 r5:c5ffc3c0 r4:c0c2d420 # [ 125.746260] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.754099] r9:c07f4bfc r8:c6e7df60 r7:c2816000 r6:b6e83000 r5:c5ffc3c0 r4:00000000 # [ 125.761850] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.768994] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6e7c000 r5:c5ffc3c0 # [ 125.776828] r4:c5ffc3c0 # [ 125.779372] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.786516] r9:c6e7c000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012 # [ 125.794269] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.801843] Exception stack(0xc6e7dfa8 to 0xc6e7dff0) # [ 125.806904] dfa0: 00000012 00000012 00000001 b6e83000 00000012 00000000 # [ 125.815089] dfc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 beb48a54 # [ 125.823272] dfe0: 00000004 beb48788 b6f3894f b6ebec66 # [ 125.828383] irq event stamp: 0 # [ 125.831477] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.837066] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.844598] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.852148] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.857745] ---[ end trace 315d618f037af193 ]--- # [ 125.862458] 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 [ 126.327276] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 126.333024] lkdtm: attempting safe refcount_add_not_zero() from zero [ 126.339392] lkdtm: Good: zero detected [ 126.343217] lkdtm: Correctly stayed at zero [ 126.347417] lkdtm: attempting bad refcount_add() from zero [ 126.352968] ------------[ cut here ]------------ [ 126.357624] WARNING: CPU: 0 PID: 2978 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 126.366203] refcount_t: addition on 0; use-after-free. [ 126.371405] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 126.400636] CPU: 0 PID: 2978 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 126.408390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.414925] Backtrace: [ 126.417403] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.424986] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 126.430658] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.437986] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.444961] r9:00000009 r8:c086cfc8 r7:00000019 r6:00000009 r5:c086cfc8 r4:c1a1fb90 [ 126.452720] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.460213] r7:00000019 r6:c1a1fb90 r5:c1a1fba0 r4:c5b52000 [ 126.465889] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 126.474947] r9:c1acbad4 r8:c15e7d40 r7:c5b53f60 r6:00000012 r5:00000000 r4:c5b52000 [ 126.482713] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 126.492390] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 126.502150] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.510942] r5:c6e53000 r4:00000034 [ 126.514534] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.522557] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.530485] r9:c5b53f60 r8:c536a540 r7:00000012 r6:b6e69000 r5:c5afb040 r4:c0c2d420 [ 126.538246] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.546088] r9:c07f4bfc r8:c5b53f60 r7:c2816000 r6:b6e69000 r5:c5afb040 r4:00000000 [ 126.553846] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.560995] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c5b52000 r5:c5afb040 [ 126.568832] r4:c5afb040 [ 126.571378] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.578524] r9:c5b52000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000012 r4:00000012 [ 126.586283] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.593860] Exception stack(0xc5b53fa8 to 0xc5b53ff0) [ 126.598924] 3fa0: 00000012 00000012 00000001 b6e69000 00000012 00000000 [ 126.607114] 3fc0: 00000012 00000012 b6fb0e00 00000004 00000001 00000000 00020000 bed22a54 [ 126.615299] 3fe0: 00000004 bed22788 b6f1e94f b6ea4c66 [ 126.620438] irq event stamp: 0 [ 126.623517] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.629110] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.636691] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.645755] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.652247] ---[ end trace 315d618f037af194 ]--- [ 126.656900] lkdtm: Zero detected: saturated # [ 126.327276] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 126.333024] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 126.339392] lkdtm: Good: zero detected # [ 126.343217] lkdtm: Correctly stayed at zero # [ 126.347417] lkdtm: attempting bad refcount_add() from zero # [ 126.352968] ------------[ cut here ]------------ # [ 126.357624] WARNING: CPU: 0 PID: 2978 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 126.366203] refcount_t: addition on 0; use-after-free. # [ 126.371405] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 126.400636] CPU: 0 PID: 2978 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 126.408390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.414925] Backtrace: # [ 126.417403] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.424986] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 126.430658] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.437986] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.444961] r9:00000009 r8:c086cfc8 r7:00000019 r6:00000009 r5:c086cfc8 r4:c1a1fb90 # [ 126.452720] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.460213] r7:00000019 r6:c1a1fb90 r5:c1a1fba0 r4:c5b52000 # [ 126.465889] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 126.474947] r9:c1acbad4 r8:c15e7d40 r7:c5b53f60 r6:00000012 r5:00000000 r4:c5b52000 # [ 126.482713] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 126.492390] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 126.502150] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.510942] r5:c6e53000 r4:00000034 # [ 126.514534] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.522557] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.530485] r9:c5b53f60 r8:c536a540 r7:00000012 r6:b6e69000 r5:c5afb040 r4:c0c2d420 # [ 126.538246] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.546088] r9:c07f4bfc r8:c5b53f60 r7:c2816000 r6:b6e69000 r5:c5afb040 r4:00000000 # [ 126.553846] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.560995] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c5b52000 r5:c5afb040 # [ 126.568832] r4:c5afb040 # [ 126.571378] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.578524] r9:c5b52000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000012 r4:00000012 # [ 126.586283] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.593860] Exception stack(0xc5b53fa8 to 0xc5b53ff0) # [ 126.598924] 3fa0: 00000012 00000012 00000001 b6e69000 00000012 00000000 # [ 126.607114] 3fc0: 00000012 00000012 b6fb0e00 00000004 00000001 00000000 00020000 bed22a54 # [ 126.615299] 3fe0: 00000004 bed22788 b6f1e94f b6ea4c66 # [ 126.620438] irq event stamp: 0 # [ 126.623517] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.629110] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.636691] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.645755] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.652247] ---[ end trace 315d618f037af194 ]--- # [ 126.656900] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh [ 127.153538] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 127.159782] lkdtm: attempting bad refcount_inc() from saturated [ 127.165744] ------------[ cut here ]------------ [ 127.170440] WARNING: CPU: 2 PID: 3015 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 127.178892] refcount_t: saturated; leaking memory. [ 127.183842] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 127.213312] CPU: 2 PID: 3015 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 127.221062] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.227593] Backtrace: [ 127.230065] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.237646] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 127.243313] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.250635] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.257606] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 [ 127.265359] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.272848] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c5b52000 [ 127.278521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 127.287487] r9:c1acbae8 r8:c15e7d40 r7:c5b53f60 r6:00000017 r5:c5a82000 r4:c5b52000 [ 127.295248] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 127.304919] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 127.315107] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.324330] r4:00000035 [ 127.326875] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.334890] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.342817] r9:c5b53f60 r8:c536a540 r7:00000017 r6:b6e4d000 r5:c5a2c780 r4:c0c2d420 [ 127.350572] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.358412] r9:c07f4bfc r8:c5b53f60 r7:c2816000 r6:b6e4d000 r5:c5a2c780 r4:00000000 [ 127.366163] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.373307] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c5b52000 r5:c5a2c780 [ 127.381140] r4:c5a2c780 [ 127.383683] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.390827] r9:c5b52000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000017 r4:00000017 [ 127.398581] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.406154] Exception stack(0xc5b53fa8 to 0xc5b53ff0) [ 127.411214] 3fa0: 00000017 00000017 00000001 b6e4d000 00000017 00000000 [ 127.419399] 3fc0: 00000017 00000017 b6f94e00 00000004 00000001 00000000 00020000 be95ba54 [ 127.427583] 3fe0: 00000004 be95b788 b6f0294f b6e88c66 [ 127.432699] irq event stamp: 0 [ 127.435770] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.441384] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.448902] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.456465] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.462109] ---[ end trace 315d618f037af195 ]--- [ 127.466748] lkdtm: Saturation detected: still saturated # [ 127.153538] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 127.159782] lkdtm: attempting bad refcount_inc() from saturated # [ 127.165744] ------------[ cut here ]------------ # [ 127.170440] WARNING: CPU: 2 PID: 3015 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 127.178892] refcount_t: saturated; leaking memory. # [ 127.183842] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 127.213312] CPU: 2 PID: 3015 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 127.221062] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.227593] Backtrace: # [ 127.230065] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.237646] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 127.243313] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.250635] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.257606] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 # [ 127.265359] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.272848] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c5b52000 # [ 127.278521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 127.287487] r9:c1acbae8 r8:c15e7d40 r7:c5b53f60 r6:00000017 r5:c5a82000 r4:c5b52000 # [ 127.295248] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 127.304919] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 127.315107] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.324330] r4:00000035 # [ 127.326875] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.334890] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.342817] r9:c5b53f60 r8:c536a540 r7:00000017 r6:b6e4d000 r5:c5a2c780 r4:c0c2d420 # [ 127.350572] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.358412] r9:c07f4bfc r8:c5b53f60 r7:c2816000 r6:b6e4d000 r5:c5a2c780 r4:00000000 # [ 127.366163] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.373307] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c5b52000 r5:c5a2c780 # [ 127.381140] r4:c5a2c780 # [ 127.383683] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.390827] r9:c5b52000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000017 r4:00000017 # [ 127.398581] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.406154] Exception stack(0xc5b53fa8 to 0xc5b53ff0) # [ 127.411214] 3fa0: 00000017 00000017 00000001 b6e4d000 00000017 00000000 # [ 127.419399] 3fc0: 00000017 00000017 b6f94e00 00000004 00000001 00000000 00020000 be95ba54 # [ 127.427583] 3fe0: 00000004 be95b788 b6f0294f b6e88c66 # [ 127.432699] irq event stamp: 0 # [ 127.435770] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.441384] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.448902] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.456465] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.462109] ---[ end trace 315d618f037af195 ]--- # [ 127.466748] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh [ 127.930501] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 127.936617] lkdtm: attempting bad refcount_dec() from saturated [ 127.942620] ------------[ cut here ]------------ [ 127.947284] WARNING: CPU: 0 PID: 3050 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 127.955809] refcount_t: decrement hit 0; leaking memory. [ 127.961161] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 127.990322] CPU: 0 PID: 3050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 127.998073] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.004603] Backtrace: [ 128.007076] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.014656] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 128.020328] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.027650] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.034620] r9:00000009 r8:c086cf2c r7:0000001f r6:00000009 r5:c086cf2c r4:c1a1fb90 [ 128.042375] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.049864] r7:0000001f r6:c1a1fb90 r5:c1a1fbf4 r4:c6b5e000 [ 128.055539] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 128.064505] r9:c1acbb00 r8:c15e7d40 r7:c6b5ff60 r6:00000017 r5:c6e54000 r4:c6b5e000 [ 128.072265] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 128.081932] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 128.092122] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.101346] r4:00000036 [ 128.103892] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.111909] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.119834] r9:c6b5ff60 r8:c536a540 r7:00000017 r6:b6dff000 r5:c6a6e280 r4:c0c2d420 [ 128.127590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.135428] r9:c07f4bfc r8:c6b5ff60 r7:c2816000 r6:b6dff000 r5:c6a6e280 r4:00000000 [ 128.143181] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.150325] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c6b5e000 r5:c6a6e280 [ 128.158159] r4:c6a6e280 [ 128.160703] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.167847] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017 [ 128.175602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.183176] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) [ 128.188237] ffa0: 00000017 00000017 00000001 b6dff000 00000017 00000000 [ 128.196423] ffc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 befcda54 [ 128.204606] ffe0: 00000004 befcd788 b6eb494f b6e3ac66 [ 128.209703] irq event stamp: 0 [ 128.212775] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.218363] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.225888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.233409] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.238992] ---[ end trace 315d618f037af196 ]--- [ 128.243643] lkdtm: Saturation detected: still saturated # [ 127.930501] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 127.936617] lkdtm: attempting bad refcount_dec() from saturated # [ 127.942620] ------------[ cut here ]------------ # [ 127.947284] WARNING: CPU: 0 PID: 3050 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 127.955809] refcount_t: decrement hit 0; leaking memory. # [ 127.961161] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 127.990322] CPU: 0 PID: 3050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 127.998073] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.004603] Backtrace: # [ 128.007076] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.014656] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 128.020328] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.027650] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.034620] r9:00000009 r8:c086cf2c r7:0000001f r6:00000009 r5:c086cf2c r4:c1a1fb90 # [ 128.042375] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.049864] r7:0000001f r6:c1a1fb90 r5:c1a1fbf4 r4:c6b5e000 # [ 128.055539] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 128.064505] r9:c1acbb00 r8:c15e7d40 r7:c6b5ff60 r6:00000017 r5:c6e54000 r4:c6b5e000 # [ 128.072265] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 128.081932] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 128.092122] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.101346] r4:00000036 # [ 128.103892] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.111909] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.119834] r9:c6b5ff60 r8:c536a540 r7:00000017 r6:b6dff000 r5:c6a6e280 r4:c0c2d420 # [ 128.127590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.135428] r9:c07f4bfc r8:c6b5ff60 r7:c2816000 r6:b6dff000 r5:c6a6e280 r4:00000000 # [ 128.143181] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.150325] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c6b5e000 r5:c6a6e280 # [ 128.158159] r4:c6a6e280 # [ 128.160703] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.167847] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017 # [ 128.175602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.183176] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) # [ 128.188237] ffa0: 00000017 00000017 00000001 b6dff000 00000017 00000000 # [ 128.196423] ffc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 befcda54 # [ 128.204606] ffe0: 00000004 befcd788 b6eb494f b6e3ac66 # [ 128.209703] irq event stamp: 0 # [ 128.212775] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.218363] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.225888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.233409] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.238992] ---[ end trace 315d618f037af196 ]--- # [ 128.243643] 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 [ 128.745666] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 128.751846] lkdtm: attempting bad refcount_dec() from saturated [ 128.757783] ------------[ cut here ]------------ [ 128.762568] WARNING: CPU: 2 PID: 3085 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 128.771087] refcount_t: saturated; leaking memory. [ 128.775890] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 128.805046] CPU: 2 PID: 3085 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 128.812796] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.819327] Backtrace: [ 128.821798] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.829378] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 128.835046] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.842368] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.849338] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 [ 128.857091] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.864579] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c4752000 [ 128.870254] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 128.879220] r9:c1acbb18 r8:c15e7d40 r7:c4753f60 r6:00000017 r5:c6c54000 r4:c4752000 [ 128.886981] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 128.896653] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 128.906843] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.916067] r4:00000037 [ 128.918613] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.926631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.934556] r9:c4753f60 r8:c536a540 r7:00000017 r6:b6e9e000 r5:c5a2de00 r4:c0c2d420 [ 128.942312] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.950150] r9:c07f4bfc r8:c4753f60 r7:c2816000 r6:b6e9e000 r5:c5a2de00 r4:00000000 [ 128.957903] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.965047] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c4752000 r5:c5a2de00 [ 128.972880] r4:c5a2de00 [ 128.975422] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.982565] r9:c4752000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000017 r4:00000017 [ 128.990318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.997893] Exception stack(0xc4753fa8 to 0xc4753ff0) [ 129.002953] 3fa0: 00000017 00000017 00000001 b6e9e000 00000017 00000000 [ 129.011139] 3fc0: 00000017 00000017 b6fe5e00 00000004 00000001 00000000 00020000 bebeca54 [ 129.019322] 3fe0: 00000004 bebec788 b6f5394f b6ed9c66 [ 129.024438] irq event stamp: 0 [ 129.027511] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.033138] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.040685] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.048191] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.053816] ---[ end trace 315d618f037af197 ]--- [ 129.058454] lkdtm: Saturation detected: still saturated # [ 128.745666] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 128.751846] lkdtm: attempting bad refcount_dec() from saturated # [ 128.757783] ------------[ cut here ]------------ # [ 128.762568] WARNING: CPU: 2 PID: 3085 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 128.771087] refcount_t: saturated; leaking memory. # [ 128.775890] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 128.805046] CPU: 2 PID: 3085 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 128.812796] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.819327] Backtrace: # [ 128.821798] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.829378] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 128.835046] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.842368] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.849338] r9:00000009 r8:c086cf94 r7:00000016 r6:00000009 r5:c086cf94 r4:c1a1fb90 # [ 128.857091] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.864579] r7:00000016 r6:c1a1fb90 r5:c1a1fb68 r4:c4752000 # [ 128.870254] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 128.879220] r9:c1acbb18 r8:c15e7d40 r7:c4753f60 r6:00000017 r5:c6c54000 r4:c4752000 # [ 128.886981] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 128.896653] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 128.906843] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.916067] r4:00000037 # [ 128.918613] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.926631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.934556] r9:c4753f60 r8:c536a540 r7:00000017 r6:b6e9e000 r5:c5a2de00 r4:c0c2d420 # [ 128.942312] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.950150] r9:c07f4bfc r8:c4753f60 r7:c2816000 r6:b6e9e000 r5:c5a2de00 r4:00000000 # [ 128.957903] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.965047] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c4752000 r5:c5a2de00 # [ 128.972880] r4:c5a2de00 # [ 128.975422] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.982565] r9:c4752000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000017 r4:00000017 # [ 128.990318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.997893] Exception stack(0xc4753fa8 to 0xc4753ff0) # [ 129.002953] 3fa0: 00000017 00000017 00000001 b6e9e000 00000017 00000000 # [ 129.011139] 3fc0: 00000017 00000017 b6fe5e00 00000004 00000001 00000000 00020000 bebeca54 # [ 129.019322] 3fe0: 00000004 bebec788 b6f5394f b6ed9c66 # [ 129.024438] irq event stamp: 0 # [ 129.027511] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.033138] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.040685] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.048191] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.053816] ---[ end trace 315d618f037af197 ]--- # [ 129.058454] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 129.532602] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 129.539567] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 129.546285] ------------[ cut here ]------------ [ 129.551116] WARNING: CPU: 1 PID: 3117 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 129.559617] refcount_t: saturated; leaking memory. [ 129.564420] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 129.593602] CPU: 1 PID: 3117 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 129.601351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.607885] Backtrace: [ 129.610359] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.617938] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 129.623607] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.630928] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.637900] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 [ 129.645655] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.653143] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6ec0000 [ 129.658817] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 129.667784] r9:c1acbb30 r8:c15e7d40 r7:c6ec1f60 r6:00000020 r5:c6d79000 r4:c0000000 [ 129.675545] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 129.685994] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 129.697737] r5:c6d79000 r4:c6ec0000 [ 129.701330] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.711335] r4:00000038 [ 129.713879] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.721898] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.729823] r9:c6ec1f60 r8:c536a540 r7:00000020 r6:b6e94000 r5:c5fffa40 r4:c0c2d420 [ 129.737579] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.745419] r9:c07f4bfc r8:c6ec1f60 r7:c2816000 r6:b6e94000 r5:c5fffa40 r4:00000000 [ 129.753169] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.760313] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c6ec0000 r5:c5fffa40 [ 129.768148] r4:c5fffa40 [ 129.770690] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.777833] r9:c6ec0000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:00000020 r4:00000020 [ 129.785588] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.793162] Exception stack(0xc6ec1fa8 to 0xc6ec1ff0) [ 129.798224] 1fa0: 00000020 00000020 00000001 b6e94000 00000020 00000000 [ 129.806411] 1fc0: 00000020 00000020 b6fdbe00 00000004 00000001 00000000 00020000 bef08a54 [ 129.814595] 1fe0: 00000004 bef08788 b6f4994f b6ecfc66 [ 129.819707] irq event stamp: 0 [ 129.822780] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.828367] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.835917] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.843483] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.849088] ---[ end trace 315d618f037af198 ]--- [ 129.853752] lkdtm: Saturation detected: still saturated # [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 # [ 0.000000] Switching to timer-based delay loop, resolution 333ns # [ 129.532602] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 129.539567] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 129.546285] ------------[ cut here ]------------ # [ 129.551116] WARNING: CPU: 1 PID: 3117 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 129.559617] refcount_t: saturated; leaking memory. # [ 129.564420] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 129.593602] CPU: 1 PID: 3117 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 129.601351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.607885] Backtrace: # [ 129.610359] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.617938] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 129.623607] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.630928] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.637900] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 # [ 129.645655] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.653143] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6ec0000 # [ 129.658817] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 129.667784] r9:c1acbb30 r8:c15e7d40 r7:c6ec1f60 r6:00000020 r5:c6d79000 r4:c0000000 # [ 129.675545] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 129.685994] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 129.697737] r5:c6d79000 r4:c6ec0000 # [ 129.701330] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.711335] r4:00000038 # [ 129.713879] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.721898] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.729823] r9:c6ec1f60 r8:c536a540 r7:00000020 r6:b6e94000 r5:c5fffa40 r4:c0c2d420 # [ 129.737579] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.745419] r9:c07f4bfc r8:c6ec1f60 r7:c2816000 r6:b6e94000 r5:c5fffa40 r4:00000000 # [ 129.753169] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.760313] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c6ec0000 r5:c5fffa40 # [ 129.768148] r4:c5fffa40 # [ 129.770690] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.777833] r9:c6ec0000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:00000020 r4:00000020 # [ 129.785588] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.793162] Exception stack(0xc6ec1fa8 to 0xc6ec1ff0) # [ 129.798224] 1fa0: 00000020 00000020 00000001 b6e94000 00000020 00000000 # [ 129.806411] 1fc0: 00000020 00000020 b6fdbe00 00000004 00000001 00000000 00020000 bef08a54 # [ 129.814595] 1fe0: 00000004 bef08788 b6f4994f b6ecfc66 # [ 129.819707] irq event stamp: 0 # [ 129.822780] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.828367] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.835917] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.843483] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.849088] ---[ end trace 315d618f037af198 ]--- # [ 129.853752] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 130.329694] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 130.336597] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 130.343408] ------------[ cut here ]------------ [ 130.348062] WARNING: CPU: 1 PID: 3151 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 130.356553] refcount_t: saturated; leaking memory. [ 130.361393] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 130.390653] CPU: 1 PID: 3151 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 130.398406] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.404942] Backtrace: [ 130.407422] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.415005] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 130.420679] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.428008] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.434983] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 [ 130.442741] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.450235] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6ec0000 [ 130.455912] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 130.464885] r9:c1acbb50 r8:c15e7d40 r7:c6ec1f60 r6:00000020 r5:c6d79000 r4:c0000000 [ 130.472654] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 130.483110] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 130.494855] r5:c6d79000 r4:c6ec0000 [ 130.498457] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.508466] r4:00000039 [ 130.511018] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.519041] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.526972] r9:c6ec1f60 r8:c536a540 r7:00000020 r6:b6ea6000 r5:c5ad4a00 r4:c0c2d420 [ 130.534734] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.542577] r9:c07f4bfc r8:c6ec1f60 r7:c2816000 r6:b6ea6000 r5:c5ad4a00 r4:00000000 [ 130.550333] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.557480] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6ec0000 r5:c5ad4a00 [ 130.565315] r4:c5ad4a00 [ 130.567862] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.575010] r9:c6ec0000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000020 r4:00000020 [ 130.582770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.590347] Exception stack(0xc6ec1fa8 to 0xc6ec1ff0) [ 130.595412] 1fa0: 00000020 00000020 00000001 b6ea6000 00000020 00000000 [ 130.603601] 1fc0: 00000020 00000020 b6fede00 00000004 00000001 00000000 00020000 bef58a54 [ 130.611788] 1fe0: 00000004 bef58788 b6f5b94f b6ee1c66 [ 130.616927] irq event stamp: 0 [ 130.620034] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.625632] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.633168] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.640729] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.646325] ---[ end trace 315d618f037af199 ]--- [ 130.650997] lkdtm: Saturation detected: still saturated # [ 130.329694] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 130.336597] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 130.343408] ------------[ cut here ]------------ # [ 130.348062] WARNING: CPU: 1 PID: 3151 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 130.356553] refcount_t: saturated; leaking memory. # [ 130.361393] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 130.390653] CPU: 1 PID: 3151 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 130.398406] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.404942] Backtrace: # [ 130.407422] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.415005] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 130.420679] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.428008] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.434983] r9:00000009 r8:c086cf60 r7:00000013 r6:00000009 r5:c086cf60 r4:c1a1fb90 # [ 130.442741] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.450235] r7:00000013 r6:c1a1fb90 r5:c1a1fb68 r4:c6ec0000 # [ 130.455912] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 130.464885] r9:c1acbb50 r8:c15e7d40 r7:c6ec1f60 r6:00000020 r5:c6d79000 r4:c0000000 # [ 130.472654] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 130.483110] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 130.494855] r5:c6d79000 r4:c6ec0000 # [ 130.498457] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.508466] r4:00000039 # [ 130.511018] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.519041] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.526972] r9:c6ec1f60 r8:c536a540 r7:00000020 r6:b6ea6000 r5:c5ad4a00 r4:c0c2d420 # [ 130.534734] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.542577] r9:c07f4bfc r8:c6ec1f60 r7:c2816000 r6:b6ea6000 r5:c5ad4a00 r4:00000000 # [ 130.550333] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.557480] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6ec0000 r5:c5ad4a00 # [ 130.565315] r4:c5ad4a00 # [ 130.567862] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.575010] r9:c6ec0000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000020 r4:00000020 # [ 130.582770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.590347] Exception stack(0xc6ec1fa8 to 0xc6ec1ff0) # [ 130.595412] 1fa0: 00000020 00000020 00000001 b6ea6000 00000020 00000000 # [ 130.603601] 1fc0: 00000020 00000020 b6fede00 00000004 00000001 00000000 00020000 bef58a54 # [ 130.611788] 1fe0: 00000004 bef58788 b6f5b94f b6ee1c66 # [ 130.616927] irq event stamp: 0 # [ 130.620034] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.625632] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.633168] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.640729] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.646325] ---[ end trace 315d618f037af199 ]--- # [ 130.650997] 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 [ 131.149312] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 131.156254] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 131.163075] ------------[ cut here ]------------ [ 131.167761] WARNING: CPU: 2 PID: 3188 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 131.176361] refcount_t: underflow; use-after-free. [ 131.181264] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 131.210746] CPU: 2 PID: 3188 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 131.218496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 131.225029] Backtrace: [ 131.227501] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 131.235080] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 131.240749] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 131.248072] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.255043] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 [ 131.262797] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.270287] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c6e20000 [ 131.275962] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 131.285017] r9:c1acbb70 r8:c15e7d40 r7:c6e21f60 r6:00000020 r5:c5b7d000 r4:c6e20000 [ 131.292780] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 131.303234] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 131.314985] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.324989] r4:0000003a [ 131.327534] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.335552] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.343479] r9:c6e21f60 r8:c536a540 r7:00000020 r6:b6e0d000 r5:c2fca640 r4:c0c2d420 [ 131.351237] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.359077] r9:c07f4bfc r8:c6e21f60 r7:c2816000 r6:b6e0d000 r5:c2fca640 r4:00000000 [ 131.366830] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.373973] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c6e20000 r5:c2fca640 [ 131.381807] r4:c2fca640 [ 131.384350] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.391493] r9:c6e20000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000020 r4:00000020 [ 131.399249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.406823] Exception stack(0xc6e21fa8 to 0xc6e21ff0) [ 131.411884] 1fa0: 00000020 00000020 00000001 b6e0d000 00000020 00000000 [ 131.420068] 1fc0: 00000020 00000020 b6f54e00 00000004 00000001 00000000 00020000 bedc3a54 [ 131.428253] 1fe0: 00000004 bedc3788 b6ec294f b6e48c66 [ 131.433376] irq event stamp: 0 [ 131.436450] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.442068] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.449598] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.457100] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.462725] ---[ end trace 315d618f037af19a ]--- [ 131.467357] lkdtm: Saturation detected: still saturated # [ 131.149312] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 131.156254] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 131.163075] ------------[ cut here ]------------ # [ 131.167761] WARNING: CPU: 2 PID: 3188 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 131.176361] refcount_t: underflow; use-after-free. # [ 131.181264] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 131.210746] CPU: 2 PID: 3188 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 131.218496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.225029] Backtrace: # [ 131.227501] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.235080] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 131.240749] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.248072] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.255043] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 # [ 131.262797] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.270287] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c6e20000 # [ 131.275962] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 131.285017] r9:c1acbb70 r8:c15e7d40 r7:c6e21f60 r6:00000020 r5:c5b7d000 r4:c6e20000 # [ 131.292780] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 131.303234] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 131.314985] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.324989] r4:0000003a # [ 131.327534] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.335552] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.343479] r9:c6e21f60 r8:c536a540 r7:00000020 r6:b6e0d000 r5:c2fca640 r4:c0c2d420 # [ 131.351237] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.359077] r9:c07f4bfc r8:c6e21f60 r7:c2816000 r6:b6e0d000 r5:c2fca640 r4:00000000 # [ 131.366830] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.373973] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c6e20000 r5:c2fca640 # [ 131.381807] r4:c2fca640 # [ 131.384350] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.391493] r9:c6e20000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000020 r4:00000020 # [ 131.399249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.406823] Exception stack(0xc6e21fa8 to 0xc6e21ff0) # [ 131.411884] 1fa0: 00000020 00000020 00000001 b6e0d000 00000020 00000000 # [ 131.420068] 1fc0: 00000020 00000020 b6f54e00 00000004 00000001 00000000 00020000 bedc3a54 # [ 131.428253] 1fe0: 00000004 bedc3788 b6ec294f b6e48c66 # [ 131.433376] irq event stamp: 0 # [ 131.436450] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.442068] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.449598] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.457100] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.462725] ---[ end trace 315d618f037af19a ]--- # [ 131.467357] 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 [ 131.957764] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 131.964727] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 131.971664] ------------[ cut here ]------------ [ 131.976337] WARNING: CPU: 2 PID: 3223 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 131.984905] refcount_t: underflow; use-after-free. [ 131.989756] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 [ 132.018933] CPU: 2 PID: 3223 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 132.026682] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.033214] Backtrace: [ 132.035685] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.043264] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 132.048933] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.056255] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.063226] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 [ 132.070981] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.078471] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c5b24000 [ 132.084144] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 132.093198] r9:c1acbb90 r8:c15e7d40 r7:c5b25f60 r6:00000020 r5:c6a97000 r4:c5b24000 [ 132.100959] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 132.111415] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 132.123165] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.133168] r4:0000003b [ 132.135712] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.143729] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.151654] r9:c5b25f60 r8:c536a540 r7:00000020 r6:b6e9d000 r5:c47b8dc0 r4:c0c2d420 [ 132.159410] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.167249] r9:c07f4bfc r8:c5b25f60 r7:c2816000 r6:b6e9d000 r5:c47b8dc0 r4:00000000 [ 132.175001] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.182145] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c5b24000 r5:c47b8dc0 [ 132.189978] r4:c47b8dc0 [ 132.192521] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.199665] r9:c5b24000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000020 r4:00000020 [ 132.207420] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.214994] Exception stack(0xc5b25fa8 to 0xc5b25ff0) [ 132.220056] 5fa0: 00000020 00000020 00000001 b6e9d000 00000020 00000000 [ 132.228242] 5fc0: 00000020 00000020 b6fe4e00 00000004 00000001 00000000 00020000 bee3ca54 [ 132.236424] 5fe0: 00000004 bee3c788 b6f5294f b6ed8c66 [ 132.241535] irq event stamp: 0 [ 132.244610] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.250226] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.257726] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.265261] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.270883] ---[ end trace 315d618f037af19b ]--- [ 132.275513] lkdtm: Saturation detected: still saturated # [ 131.957764] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 131.964727] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 131.971664] ------------[ cut here ]------------ # [ 131.976337] WARNING: CPU: 2 PID: 3223 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 131.984905] refcount_t: underflow; use-after-free. # [ 131.989756] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core 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 etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 132.018933] CPU: 2 PID: 3223 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 132.026682] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.033214] Backtrace: # [ 132.035685] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.043264] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 132.048933] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.056255] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.063226] r9:00000009 r8:c086cffc r7:0000001c r6:00000009 r5:c086cffc r4:c1a1fb90 # [ 132.070981] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.078471] r7:0000001c r6:c1a1fb90 r5:c1a1fbcc r4:c5b24000 # [ 132.084144] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 132.093198] r9:c1acbb90 r8:c15e7d40 r7:c5b25f60 r6:00000020 r5:c6a97000 r4:c5b24000 # [ 132.100959] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 132.111415] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 132.123165] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.133168] r4:0000003b # [ 132.135712] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.143729] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.151654] r9:c5b25f60 r8:c536a540 r7:00000020 r6:b6e9d000 r5:c47b8dc0 r4:c0c2d420 # [ 132.159410] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.167249] r9:c07f4bfc r8:c5b25f60 r7:c2816000 r6:b6e9d000 r5:c47b8dc0 r4:00000000 # [ 132.175001] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.182145] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c5b24000 r5:c47b8dc0 # [ 132.189978] r4:c47b8dc0 # [ 132.192521] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.199665] r9:c5b24000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000020 r4:00000020 # [ 132.207420] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.214994] Exception stack(0xc5b25fa8 to 0xc5b25ff0) # [ 132.220056] 5fa0: 00000020 00000020 00000001 b6e9d000 00000020 00000000 # [ 132.228242] 5fc0: 00000020 00000020 b6fe4e00 00000004 00000001 00000000 00020000 bee3ca54 # [ 132.236424] 5fe0: 00000004 bee3c788 b6f5294f b6ed8c66 # [ 132.241535] irq event stamp: 0 # [ 132.244610] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.250226] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.257726] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.265261] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.270883] ---[ end trace 315d618f037af19b ]--- # [ 132.275513] 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 [ 133.128042] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 133.134249] lkdtm: attempting good copy_to_user of correct size [ 133.140331] lkdtm: attempting bad copy_to_user of too large size # [ 133.128042] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 133.134249] lkdtm: attempting good copy_to_user of correct size # [ 133.140331] 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 [ 133.588221] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 133.594506] lkdtm: attempting good copy_from_user of correct size [ 133.600783] lkdtm: attempting bad copy_from_user of too large size # [ 133.588221] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 133.594506] lkdtm: attempting good copy_from_user of correct size # [ 133.600783] 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 [ 134.038882] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 134.045549] lkdtm: attempting good copy_to_user inside whitelist [ 134.051710] lkdtm: attempting bad copy_to_user outside whitelist # [ 134.038882] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 134.045549] lkdtm: attempting good copy_to_user inside whitelist # [ 134.051710] 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 [ 134.491924] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 134.498579] lkdtm: attempting good copy_from_user inside whitelist [ 134.504861] lkdtm: attempting bad copy_from_user outside whitelist # [ 134.491924] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 134.498579] lkdtm: attempting good copy_from_user inside whitelist # [ 134.504861] 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 [ 134.951159] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 134.957391] lkdtm: good_stack: c6b41e0c-c6b41e2c [ 134.962114] lkdtm: bad_stack : c6b41d84-c6b41da4 [ 134.966764] lkdtm: attempting good copy_to_user of local stack [ 134.972692] lkdtm: attempting bad copy_to_user of distant stack # [ 134.951159] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 134.957391] lkdtm: good_stack: c6b41e0c-c6b41e2c # [ 134.962114] lkdtm: bad_stack : c6b41d84-c6b41da4 # [ 134.966764] lkdtm: attempting good copy_to_user of local stack # [ 134.972692] 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 [ 135.412884] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 135.419268] lkdtm: good_stack: c6983e0c-c6983e2c [ 135.423988] lkdtm: bad_stack : c6983d84-c6983da4 [ 135.429890] lkdtm: attempting good copy_from_user of local stack [ 135.435942] lkdtm: attempting bad copy_from_user of distant stack # [ 135.412884] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 135.419268] lkdtm: good_stack: c6983e0c-c6983e2c # [ 135.423988] lkdtm: bad_stack : c6983d84-c6983da4 # [ 135.429890] lkdtm: attempting good copy_from_user of local stack # [ 135.435942] 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 [ 135.889777] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 135.895809] lkdtm: good_stack: c5b07e0c-c5b07e2c [ 135.900496] lkdtm: bad_stack : c5b07ffc-c5b0801c [ 135.905139] lkdtm: attempting good copy_to_user of local stack [ 135.911080] lkdtm: attempting bad copy_to_user of distant stack # [ 135.889777] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 135.895809] lkdtm: good_stack: c5b07e0c-c5b07e2c # [ 135.900496] lkdtm: bad_stack : c5b07ffc-c5b0801c # [ 135.905139] lkdtm: attempting good copy_to_user of local stack # [ 135.911080] 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 [ 136.370344] lkdtm: Performing direct entry USERCOPY_KERNEL [ 136.375862] lkdtm: attempting good copy_to_user from kernel rodata: c15e7fec [ 136.383186] lkdtm: attempting bad copy_to_user from kernel text: c0539c70 [ 136.390077] lkdtm: FAIL: survived bad copy_to_user() # [ 136.370344] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 136.375862] lkdtm: attempting good copy_to_user from kernel rodata: c15e7fec # [ 136.383186] lkdtm: attempting bad copy_to_user from kernel text: c0539c70 # [ 136.390077] 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 [ 136.860988] lkdtm: Performing direct entry STACKLEAK_ERASING [ 136.866675] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 136.873765] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 136.880782] lkdtm: FAIL: the thread stack is NOT properly erased [ 136.886835] CPU: 2 PID: 3588 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 136.894584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.901116] Backtrace: [ 136.903592] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.911171] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 [ 136.916840] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.924165] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 136.932699] r9:c1acbc98 r8:c15e7d40 r7:c6fc1f60 r6:c6fc1e34 r5:c6fc0000 r4:0000078d [ 136.940461] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.949255] r8:c15e7d40 r7:c6fc1f60 r6:00000012 r5:c5e42000 r4:00000046 [ 136.955967] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.963985] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 136.971909] r9:c6fc1f60 r8:c536a540 r7:00000012 r6:b6e17000 r5:c5afb2c0 r4:c0c2d420 [ 136.979664] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 136.987504] r9:c07f4bfc r8:c6fc1f60 r7:c2816000 r6:b6e17000 r5:c5afb2c0 r4:00000000 [ 136.995258] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.002401] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6fc0000 r5:c5afb2c0 [ 137.010235] r4:c5afb2c0 [ 137.012778] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 137.019922] r9:c6fc0000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 [ 137.027676] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 137.035250] Exception stack(0xc6fc1fa8 to 0xc6fc1ff0) [ 137.040311] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 [ 137.048496] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 bec03a54 [ 137.056678] 1fe0: 00000004 bec03788 b6ecc94f b6e52c66 # [ 136.860988] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 136.866675] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 136.873765] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 136.880782] lkdtm: FAIL: the thread stack is NOT properly erased # [ 136.886835] CPU: 2 PID: 3588 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 136.894584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.901116] Backtrace: # [ 136.903592] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.911171] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6a8 # [ 136.916840] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.924165] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 136.932699] r9:c1acbc98 r8:c15e7d40 r7:c6fc1f60 r6:c6fc1e34 r5:c6fc0000 r4:0000078d # [ 136.940461] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.949255] r8:c15e7d40 r7:c6fc1f60 r6:00000012 r5:c5e42000 r4:00000046 # [ 136.955967] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.963985] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.971909] r9:c6fc1f60 r8:c536a540 r7:00000012 r6:b6e17000 r5:c5afb2c0 r4:c0c2d420 # [ 136.979664] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 136.987504] r9:c07f4bfc r8:c6fc1f60 r7:c2816000 r6:b6e17000 r5:c5afb2c0 r4:00000000 # [ 136.995258] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.002401] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6fc0000 r5:c5afb2c0 # [ 137.010235] r4:c5afb2c0 # [ 137.012778] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.019922] r9:c6fc0000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 # [ 137.027676] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.035250] Exception stack(0xc6fc1fa8 to 0xc6fc1ff0) # [ 137.040311] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 # [ 137.048496] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 bec03a54 # [ 137.056678] 1fe0: 00000004 bec03788 b6ecc94f b6e52c66 # 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 [ 137.535018] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 137.540752] lkdtm: Calling matched prototype ... [ 137.545384] lkdtm: Calling mismatched prototype ... [ 137.550386] lkdtm: Fail: survived mismatched prototype function call! # [ 137.535018] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 137.540752] lkdtm: Calling matched prototype ... # [ 137.545384] lkdtm: Calling mismatched prototype ... # [ 137.550386] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #