[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.33 (7 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 9410927/tftp-deploy-7nf29ead/kernel/zImage tftp 0x10000000 9410927/tftp-deploy-7nf29ead/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9410927/tftp-deploy-7nf29ead/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 5.5 MiB/s done Bytes transferred = 12345856 (bc6200 hex) => tftp 0x14000000 9410927/tftp-deploy-7nf29ead/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 9410927/tftp-deploy-7nf29ead/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9410927/tftp-deploy-7nf29ead/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 11.8 MiB/s done Bytes transferred = 15455634 (ebd592 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 9410927/tftp-deploy-7nf29ead/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 9410927/tftp-deploy-7nf29ead/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '9410927/tftp-deploy-7nf29ead/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 3.7 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9410927/extract-nfsrootfs-s9866034,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9410927/extract-nfsrootfs-s9866034,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc6200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15455570 Bytes = 14.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.172-cip27 (KernelCI@build-j1120716-arm-gcc-10-multi-v7-defconfig-kselftest-94ncq) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Mar 3 19:26:41 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] 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/9410927/extract-nfsrootfs-s9866034,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: 921428K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6691K bss, 61612K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55428 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 [ 0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000043] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004466] Console: colour dummy device 80x30 [ 0.004534] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004564] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004594] ... MAX_LOCK_DEPTH: 48 [ 0.004622] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004650] ... CLASSHASH_SIZE: 4096 [ 0.004677] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004703] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004731] ... CHAINHASH_SIZE: 32768 [ 0.004757] memory used by lock dependency info: 4061 kB [ 0.004784] memory used for stack traces: 2112 kB [ 0.004811] per task-struct memory footprint: 1536 bytes [ 0.004913] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.004966] pid_max: default: 32768 minimum: 301 [ 0.005352] LSM: Security Framework initializing [ 0.005468] LSM support for eBPF active [ 0.005615] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005666] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008251] CPU: Testing write buffer coherency: ok [ 0.008386] CPU0: Spectre v2: using BPIALL workaround [ 0.009496] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013501] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.016042] rcu: Hierarchical SRCU implementation. [ 0.025550] EFI services will not be available. [ 0.026877] smp: Bringing up secondary CPUs ... [ 0.030256] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030272] CPU1: Spectre v2: using BPIALL workaround [ 0.034381] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034396] CPU2: Spectre v2: using BPIALL workaround [ 0.038115] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038131] CPU3: Spectre v2: using BPIALL workaround [ 0.039153] smp: Brought up 1 node, 4 CPUs [ 0.039199] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039237] CPU: All CPU(s) started in SVC mode. [ 0.041863] devtmpfs: initialized [ 0.098796] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.101710] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.101789] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.106654] pinctrl core: initialized pinctrl subsystem [ 0.113864] DMI not present or invalid. [ 0.116209] NET: Registered protocol family 16 [ 0.127861] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.137691] thermal_sys: Registered thermal governor 'step_wise' [ 0.138289] cpuidle: using governor menu [ 0.138845] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.882535] vdd1p1: supplied by regulator-dummy [ 0.914257] vdd3p0: supplied by regulator-dummy [ 0.945564] vdd2p5: supplied by regulator-dummy [ 0.976902] vddarm: supplied by regulator-dummy [ 1.009162] vddpu: supplied by regulator-dummy [ 1.039490] vddsoc: supplied by regulator-dummy [ 2.367971] No ATAGs? [ 2.368887] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.369046] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.389225] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.419751] Serial: AMBA PL011 UART driver [ 2.484313] Kprobes globally optimized [ 2.605997] iommu: Default domain type: Translated [ 2.608506] vgaarb: loaded [ 2.613468] SCSI subsystem initialized [ 2.616115] usbcore: registered new interface driver usbfs [ 2.616440] usbcore: registered new interface driver hub [ 2.616681] usbcore: registered new device driver usb [ 2.624605] i2c i2c-0: IMX I2C adapter registered [ 2.631697] i2c i2c-1: IMX I2C adapter registered [ 2.636225] i2c i2c-2: IMX I2C adapter registered [ 2.641259] pps_core: LinuxPPS API ver. 1 registered [ 2.641305] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.641413] PTP clock support registered [ 2.659824] clocksource: Switched to clocksource mxc_timer1 [ 4.357194] NET: Registered protocol family 2 [ 4.357996] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.362094] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.362277] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.362509] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.363954] TCP: Hash tables configured (established 8192 bind 8192) [ 4.365035] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.365379] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.365639] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.366402] NET: Registered protocol family 1 [ 4.369313] RPC: Registered named UNIX socket transport module. [ 4.369404] RPC: Registered udp transport module. [ 4.369446] RPC: Registered tcp transport module. [ 4.369488] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.369555] NET: Registered protocol family 44 [ 4.369631] PCI: CLS 0 bytes, default 64 [ 4.372285] Trying to unpack rootfs image as initramfs... [ 6.268886] Freeing initrd memory: 15096K [ 6.269946] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.271876] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.281297] Initialise system trusted keyrings [ 6.282609] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.334617] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.338491] NFS: Registering the id_resolver key type [ 6.338692] Key type id_resolver registered [ 6.338785] Key type id_legacy registered [ 6.339448] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.339560] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.339897] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.342166] Key type asymmetric registered [ 6.342303] Asymmetric key parser 'x509' registered [ 6.342735] bounce: pool size: 64 pages [ 6.342910] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.343021] io scheduler mq-deadline registered [ 6.343068] io scheduler kyber registered [ 6.344083] test_firmware: interface ready [ 6.531921] mxs-dma 110000.dma-apbh: initialized [ 6.599587] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.599952] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.869546] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.891086] SuperH (H)SCI(F) driver initialized [ 6.894125] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.899393] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.831116] printk: console [ttymxc1] enabled [ 7.842229] msm_serial: driver initialized [ 7.847443] STMicroelectronics ASC driver initialized [ 7.859343] STM32 USART driver initialized [ 7.886630] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.909597] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.918136] panel-simple panel-lcd: Specify missing connector_type [ 7.926108] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.981736] brd: module loaded [ 8.044562] loop: module loaded [ 8.051197] lkdtm: No crash points registered, enable through debugfs [ 8.074394] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.082443] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.090563] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.098781] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.106870] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.115166] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.122964] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.134459] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.141592] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.150489] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.165019] scsi host0: ahci-imx [ 8.170814] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.238747] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.252595] pps pps0: new PPS source ptp0 [ 8.299493] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.310566] e1000e: Intel(R) PRO/1000 Network Driver [ 8.315574] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.321842] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.327278] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.356395] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.364069] usbcore: registered new interface driver pegasus [ 8.370041] usbcore: registered new interface driver asix [ 8.375625] usbcore: registered new interface driver ax88179_178a [ 8.381958] usbcore: registered new interface driver cdc_ether [ 8.388039] usbcore: registered new interface driver smsc75xx [ 8.394131] usbcore: registered new interface driver smsc95xx [ 8.400121] usbcore: registered new interface driver net1080 [ 8.405958] usbcore: registered new interface driver cdc_subset [ 8.412111] usbcore: registered new interface driver zaurus [ 8.417974] usbcore: registered new interface driver cdc_ncm [ 8.437427] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.444133] ehci-pci: EHCI PCI platform driver [ 8.448778] ehci-platform: EHCI generic platform driver [ 8.455161] ehci-orion: EHCI orion driver [ 8.460227] SPEAr-ehci: EHCI SPEAr driver [ 8.465205] ehci-st: EHCI STMicroelectronics driver [ 8.471103] ehci-exynos: EHCI Exynos driver [ 8.476223] ehci-atmel: EHCI Atmel driver [ 8.481237] tegra-ehci: Tegra EHCI driver [ 8.486225] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.492572] ohci-pci: OHCI PCI platform driver [ 8.497221] ohci-platform: OHCI generic platform driver [ 8.503552] SPEAr-ohci: OHCI SPEAr driver [ 8.508516] ohci-st: OHCI STMicroelectronics driver [ 8.512770] ata1: SATA link down (SStatus 0 SControl 300) [ 8.514414] ohci-atmel: OHCI Atmel driver [ 8.519174] ahci-imx 2200000.sata: no device found, disabling link. [ 8.526678] usbcore: registered new interface driver usb-storage [ 8.529284] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.570064] i2c /dev entries driver [ 8.661712] sdhci: Secure Digital Host Controller Interface driver [ 8.667935] sdhci: Copyright(c) Pierre Ossman [ 8.682593] Synopsys Designware Multimedia Card Interface Driver [ 8.696519] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.706086] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.706093] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.706294] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.722861] ledtrig-cpu: registered to indicate activity on CPUs [ 8.732964] usbcore: registered new interface driver usbhid [ 8.738578] usbhid: USB HID core driver [ 8.750440] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.757388] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.769158] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.777390] IPv4 over IPsec tunneling driver [ 8.787010] NET: Registered protocol family 10 [ 8.797475] Segment Routing with IPv6 [ 8.807168] mmc2: new high speed SDHC card at address aaaa [ 8.807929] NET: Registered protocol family 17 [ 8.816865] mmcblk2: mmc2:aaaa SL16G 14.8 GiB [ 8.819579] Key type dns_resolver registered [ 8.839681] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.842544] ThumbEE CPU extension supported. [ 8.847385] GPT:29296874 != 31116287 [ 8.851767] Registering SWP/SWPB emulation handler [ 8.855320] GPT:Alternate GPT header not at the end of the disk. [ 8.866280] GPT:29296874 != 31116287 [ 8.868045] Loading compiled-in X.509 certificates [ 8.870030] GPT: Use GNU Parted to correct GPT errors. [ 8.870201] mmcblk2: p1 p2 p3 [ 9.061187] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.069554] panel-simple panel-lcd: Specify missing connector_type [ 9.083106] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.123232] imx_usb 2184200.usb: No over current polarity defined [ 9.139611] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.144969] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.180469] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.195204] hub 1-0:1.0: USB hub found [ 9.199510] hub 1-0:1.0: 1 port detected [ 9.216497] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.249445] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.257840] panel-simple panel-lcd: Specify missing connector_type [ 9.271349] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.302963] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.311293] panel-simple panel-lcd: Specify missing connector_type [ 9.324725] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.343955] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.373451] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.381805] panel-simple panel-lcd: Specify missing connector_type [ 9.395311] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.416845] 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) [ 9.610321] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.819622] hub 1-1:1.0: USB hub found [ 9.824501] hub 1-1:1.0: 3 ports detected [ 9.855640] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.863983] panel-simple panel-lcd: Specify missing connector_type [ 9.877631] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 12.551771] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.561444] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 12.589896] Sending DHCP requests ., OK [ 12.634438] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.33 [ 12.642690] IP-Config: Complete: [ 12.646007] device=eth0, hwaddr=00:19:b8:08:f1:13, ipaddr=192.168.201.33, mask=255.255.255.0, gw=192.168.201.1 [ 12.656589] host=imx6q-sabrelite-lava-cbg-3, domain=lava-rack, nis-domain=(none) [ 12.664499] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 12.664518] nameserver0=192.168.201.1 [ 12.726101] Freeing unused kernel memory: 2048K [ 12.740681] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 16.816295] imx-ipuv3 2400000.ipu: IPUv3H probed [ 16.854803] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.866661] panel-simple panel-lcd: Specify missing connector_type [ 16.884142] imx-ipuv3 2800000.ipu: IPUv3H probed [ 16.922846] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.928803] CAN device driver interface [ 16.966564] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.981143] panel-simple panel-lcd: Specify missing connector_type [ 16.995054] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.050154] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 17.061980] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 17.070083] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 17.076708] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 17.100829] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 17.110440] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 17.116621] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 17.154398] caam 2100000.crypto: Entropy delay = 3200 [ 17.217426] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 17.220277] caam 2100000.crypto: Instantiated RNG4 SH0 [ 17.229024] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.238160] panel-simple panel-lcd: Specify missing connector_type [ 17.281048] caam 2100000.crypto: Instantiated RNG4 SH1 [ 17.286276] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 17.293064] caam 2100000.crypto: job rings = 2, qi = 0 [ 17.299564] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.341674] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.350583] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.359433] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.368356] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.388288] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 17.393413] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.397248] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 17.404461] panel-simple panel-lcd: Specify missing connector_type [ 17.412447] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 17.426023] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.426784] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 17.451720] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 17.466915] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.471237] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 17.475431] panel-simple panel-lcd: Specify missing connector_type [ 17.507110] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.560018] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.568573] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.577220] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.585704] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.622637] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.632153] panel-simple panel-lcd: Specify missing connector_type [ 17.646265] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.729522] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.738031] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.746538] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.755125] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.370594] caam algorithms registered in /proc/crypto [ 18.381266] caam 2100000.crypto: registering rng-caam [ 18.511196] random: crng init done [ 18.523302] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.532055] panel-simple panel-lcd: Specify missing connector_type [ 18.548319] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.586811] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.595402] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.603973] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.612438] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.627560] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.636318] panel-simple panel-lcd: Specify missing connector_type [ 18.650073] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.687567] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.696077] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.705072] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.713806] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:13 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.33 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 20.954648] systemd[1]: System time before build time, advancing clock. [ 21.193377] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 21.223406] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 21.287043] systemd[1]: Set hostname to . [ 22.858386] systemd[1]: Queued start job for default target Graphical Interface. [ 22.874016] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 22.915581] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 22.975601] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 23.024686] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 23.064207] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 23.113801] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 23.161666] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 23.175649] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 23.222414] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 23.260902] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 23.300301] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 23.341045] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 23.385749] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 23.487970] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 23.502446] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 23.557206] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 23.607066] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 23.661870] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 23.702888] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 23.744081] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 23.754494] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 23.773920] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 23.823437] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 23.874228] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 23.933483] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 23.990306] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 24.052900] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 24.119506] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 24.127996] fuse: init (API version 7.32) [ 24.153771] systemd[1]: Starting Journal Service... Starting Journal Service... [ 24.223800] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 24.286659] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 24.321818] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 24.382054] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 24.422841] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 24.468593] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 24.567779] systemd[1]: modprobe@configfs.service: Succeeded. [ 24.578454] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 24.635984] systemd[1]: modprobe@drm.service: Succeeded. [ 24.646016] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 24.685804] systemd[1]: modprobe@fuse.service: Succeeded. [ 24.695956] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 24.745704] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 24.785571] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 24.842283] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 24.899431] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 24.932152] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 24.942847] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 24.962470] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 25.019592] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 25.071868] systemd[1]: Starting Create System Users... Starting Create System Users... [ 25.116773] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... [ 25.577463] systemd-journald[289]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.172-cip27 #1 SMP Fri Mar 3 19:26:41 UTC 2023 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9410927/extract-nfsrootfs-s9866034' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9410927/extract-nfsrootfs-s9866034' / # 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-9410927/environment . /lava-9410927/environment / # /lava-9410927/bin/lava-test-runner /lava-9410927/0 /lava-9410927/bin/lava-test-runner /lava-9410927/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9410927/0/tests/0_timesync-off ++ cat uuid + UUID=9410927_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-9410927/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9410927_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-109-g23841ec76bec/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9410927/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-03-03 19:43:42-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-109-g23841ec76bec/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: 1408496 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 44.98K 158KB/s kselftest.tar.xz 8%[> ] 119.44K 207KB/s kselftest.tar.xz 13%[=> ] 178.83K 207KB/s kselftest.tar.xz 18%[==> ] 259.92K 225KB/s kselftest.tar.xz 23%[===> ] 326.38K 226KB/s kselftest.tar.xz 27%[====> ] 384.35K 222KB/s kselftest.tar.xz 31%[=====> ] 439.50K 217KB/s kselftest.tar.xz 36%[======> ] 500.31K 217KB/s kselftest.tar.xz 40%[=======> ] 561.11K 216KB/s kselftest.tar.xz 44%[=======> ] 612.95K 212KB/s kselftest.tar.xz 48%[========> ] 671.41K 211KB/s eta 3s kselftest.tar.xz 51%[=========> ] 709.59K 204KB/s eta 3s kselftest.tar.xz 53%[=========> ] 733.63K 195KB/s eta 3s kselftest.tar.xz 54%[=========> ] 743.04K 183KB/s eta 3s kselftest.tar.xz 55%[==========> ] 759.08K 177KB/s eta 3s kselftest.tar.xz 56%[==========> ] 776.05K 169KB/s eta 3s kselftest.tar.xz 57%[==========> ] 794.43K 163KB/s eta 3s kselftest.tar.xz 59%[==========> ] 819.40K 150KB/s eta 4s kselftest.tar.xz 60%[===========> ] 836.85K 138KB/s eta 4s kselftest.tar.xz 62%[===========> ] 863.24K 129KB/s eta 4s kselftest.tar.xz 64%[===========> ] 884.45K 113KB/s eta 4s kselftest.tar.xz 66%[============> ] 914.14K 106KB/s eta 4s kselftest.tar.xz 67%[============> ] 933.94K 99.4KB/s eta 4s kselftest.tar.xz 69%[============> ] 956.57K 93.4KB/s eta 3s kselftest.tar.xz 70%[=============> ] 973.53K 84.8KB/s eta 3s kselftest.tar.xz 71%[=============> ] 986.75K 75.5KB/s eta 3s kselftest.tar.xz 73%[=============> ] 1008K 69.1KB/s eta 3s kselftest.tar.xz 75%[==============> ] 1.01M 67.4KB/s eta 3s kselftest.tar.xz 77%[==============> ] 1.04M 65.6KB/s eta 3s kselftest.tar.xz 79%[==============> ] 1.07M 66.7KB/s eta 3s kselftest.tar.xz 81%[===============> ] 1.10M 71.8KB/s eta 3s kselftest.tar.xz 84%[===============> ] 1.13M 74.1KB/s eta 2s kselftest.tar.xz 87%[================> ] 1.17M 78.2KB/s eta 2s kselftest.tar.xz 88%[================> ] 1.19M 77.7KB/s eta 2s kselftest.tar.xz 91%[=================> ] 1.22M 80.5KB/s eta 2s kselftest.tar.xz 93%[=================> ] 1.25M 81.2KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.27M 83.0KB/s eta 1s kselftest.tar.xz 96%[==================> ] 1.30M 83.7KB/s eta 1s kselftest.tar.xz 99%[==================> ] 1.33M 85.2KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 87.4KB/s in 12s 2023-03-03 19:43:55 (116 KB/s) - 'kselftest.tar.xz' saved [1408496/1408496] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 70.884274] 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 [ 71.752244] lkdtm: Performing direct entry BUG [ 71.757020] ------------[ cut here ]------------ [ 71.761649] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 71.766882] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 71.772030] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 71.801125] CPU: 2 PID: 727 Comm: cat Not tainted 5.10.172-cip27 #1 [ 71.807419] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 71.813981] PC is at lkdtm_BUG+0x14/0x18 [ 71.817935] LR is at lkdtm_do_action+0x2c/0x4c [ 71.822404] pc : [] lr : [] psr: a00e0013 [ 71.828692] sp : c5ed3e58 ip : c5ed3e68 fp : c5ed3e64 [ 71.833939] r10: 00000004 r9 : c1acc6dc r8 : c15e88e4 [ 71.839187] r7 : c5ed3f60 r6 : 00000004 r5 : c5a35000 r4 : 00000001 [ 71.845737] r3 : c0c35904 r2 : 6b207616 r1 : ef7ab5e0 r0 : c15e88ec [ 71.852291] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 71.859450] Control: 10c5387d Table: 1581c04a DAC: 00000051 [ 71.865222] Process cat (pid: 727, stack limit = 0x8a4c6c0b) [ 71.870904] Stack: (0xc5ed3e58 to 0xc5ed4000) [ 71.875287] 3e40: c5ed3e74 c5ed3e68 [ 71.883497] 3e60: c0c35398 c0c35910 c5ed3e9c c5ed3e78 c0c35898 c0c35378 c0c35778 c29c8b40 [ 71.891705] 3e80: b6e8c000 00000004 c3025d80 c5ed3f60 c5ed3ec4 c5ed3ea0 c07e184c c0c35784 [ 71.899914] 3ea0: 00000000 c29c8b40 b6e8c000 c2815800 c5ed3f60 c07e17e8 c5ed3f5c c5ed3ec8 [ 71.908122] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5ed2000 [ 71.916330] 3ee0: b6e8c000 00020000 00000004 00000004 0001fffc c5ed3ee0 00000001 b6e8b000 [ 71.924537] 3f00: c63f3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 71.932745] 3f20: 00000000 00000000 c1371e38 6b207616 c205c880 c29c8b40 c29c8b40 c5ed2000 [ 71.940952] 3f40: b6e8c000 00000000 00000000 00000004 c5ed3f94 c5ed3f60 c0599c20 c059958c [ 71.949162] 3f60: 00000000 00000000 c5ed3fac 6b207616 00000004 00000004 b6fd3e00 00000004 [ 71.957369] 3f80: c03002e4 c5ed2000 c5ed3fa4 c5ed3f98 c0599cb0 c0599bb8 00000000 c5ed3fa8 [ 71.965578] 3fa0: c03000c0 c0599ca4 00000004 00000004 00000001 b6e8c000 00000004 00000000 [ 71.973784] 3fc0: 00000004 00000004 b6fd3e00 00000004 00000001 00000000 00020000 beb0ba64 [ 71.981991] 3fe0: 00000004 beb0b798 b6f3e4cf b6ec47e6 800e0030 00000001 00000000 00000000 [ 71.990185] Backtrace: [ 71.992681] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 72.000288] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 72.008333] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 72.016283] r9:c5ed3f60 r8:c3025d80 r7:00000004 r6:b6e8c000 r5:c29c8b40 r4:c0c35778 [ 72.024070] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 72.031933] r9:c07e17e8 r8:c5ed3f60 r7:c2815800 r6:b6e8c000 r5:c29c8b40 r4:00000000 [ 72.039711] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 72.046879] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c5ed2000 r5:c29c8b40 [ 72.054730] r4:c29c8b40 [ 72.057299] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 72.064466] r9:c5ed2000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000004 r4:00000004 [ 72.072245] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 72.079837] Exception stack(0xc5ed3fa8 to 0xc5ed3ff0) [ 72.084918] 3fa0: 00000004 00000004 00000001 b6e8c000 00000004 00000000 [ 72.093126] 3fc0: 00000004 00000004 b6fd3e00 00000004 00000001 00000000 00020000 beb0ba64 [ 72.101328] 3fe0: 00000004 beb0b798 b6f3e4cf b6ec47e6 [ 72.106412] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 72.112539] ---[ end trace 64ef18afca51f185 ]--- [ 72.117186] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 72.126084] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 727, name: cat [ 72.133759] INFO: lockdep is turned off. [ 72.137700] irq event stamp: 1568 [ 72.141059] hardirqs last enabled at (1567): [] console_unlock+0x4b0/0x6c0 [ 72.148920] hardirqs last disabled at (1568): [] __und_svc+0x60/0x6c [ 72.156174] softirqs last enabled at (1316): [] __do_softirq+0x378/0x5fc [ 72.163862] softirqs last disabled at (1309): [] __irq_exit_rcu+0x178/0x1d0 [ 72.171723] CPU: 2 PID: 727 Comm: cat Tainted: G D 5.10.172-cip27 #1 [ 72.179398] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 72.185943] Backtrace: [ 72.188449] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 72.196049] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978 [ 72.201751] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 72.209109] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) [ 72.216885] r9:600e0093 r8:0000000b r7:c035bd38 r6:00000031 r5:c19c8c4c r4:c5ed2000 [ 72.224665] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 72.232520] r6:00000000 r5:00000031 r4:c19c8c4c [ 72.237184] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 72.244952] r6:00000001 r5:c5ed2000 r4:c607b600 [ 72.249617] [] (exit_signals) from [] (do_exit+0x100/0xb38) [ 72.256955] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c607b600 [ 72.263694] [] (do_exit) from [] (make_task_dead+0x68/0x74) [ 72.271024] r7:c1e0f84c [ 72.273595] [] (make_task_dead) from [] (die+0x370/0x37c) [ 72.280761] [] (die) from [] (do_undefinstr+0x170/0x240) [ 72.287842] r10:00000004 r9:c5ed2000 r8:c15e88e4 r7:00000000 r6:c5ed3dc8 r5:c0c35918 [ 72.295691] r4:e7f001f2 [ 72.298257] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 72.306198] Exception stack(0xc5ed3dc8 to 0xc5ed3e10) [ 72.311281] 3dc0: c15e88ec ef7ab5e0 6b207616 c0c35904 00000001 c5a35000 [ 72.319490] 3de0: 00000004 c5ed3f60 c15e88e4 c1acc6dc 00000004 c5ed3e64 c5ed3e68 c5ed3e58 [ 72.327691] 3e00: c0c35398 c0c35918 a00e0013 ffffffff [ 72.332770] r7:c5ed3dfc r6:ffffffff r5:a00e0013 r4:c0c3591c [ 72.338465] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 72.346065] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 72.354106] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 72.362055] r9:c5ed3f60 r8:c3025d80 r7:00000004 r6:b6e8c000 r5:c29c8b40 r4:c0c35778 [ 72.369836] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 72.377697] r9:c07e17e8 r8:c5ed3f60 r7:c2815800 r6:b6e8c000 r5:c29c8b40 r4:00000000 [ 72.385472] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 72.392637] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c5ed2000 r5:c29c8b40 [ 72.400486] r4:c29c8b40 [ 72.403051] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 72.410217] r9:c5ed2000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000004 r4:00000004 [ 72.417991] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 72.425580] Exception stack(0xc5ed3fa8 to 0xc5ed3ff0) [ 72.430661] 3fa0: 00000004 00000004 00000001 b6e8c000 00000004 00000000 [ 72.438868] 3fc0: 00000004 00000004 b6fd3e00 00000004 00000001 00000000 00020000 beb0ba64 [ 72.447070] 3fe0: 00000004 beb0b798 b6f3e4cf b6ec47e6 # Segmentation fault # [ 71.752244] lkdtm: Performing direct entry BUG # [ 71.757020] ------------[ cut here ]------------ # [ 71.761649] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 71.766882] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 71.772030] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 71.801125] CPU: 2 PID: 727 Comm: cat Not tainted 5.10.172-cip27 #1 # [ 71.807419] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.813981] PC is at lkdtm_BUG+0x14/0x18 # [ 71.817935] LR is at lkdtm_do_action+0x2c/0x4c # [ 71.822404] pc : [] lr : [] psr: a00e0013 # [ 71.828692] sp : c5ed3e58 ip : c5ed3e68 fp : c5ed3e64 # [ 71.833939] r10: 00000004 r9 : c1acc6dc r8 : c15e88e4 # [ 71.839187] r7 : c5ed3f60 r6 : 00000004 r5 : c5a35000 r4 : 00000001 # [ 71.845737] r3 : c0c35904 r2 : 6b207616 r1 : ef7ab5e0 r0 : c15e88ec # [ 71.852291] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.859450] Control: 10c5387d Table: 1581c04a DAC: 00000051 # [ 71.865222] Process cat (pid: 727, stack limit = 0x8a4c6c0b) # [ 71.870904] Stack: (0xc5ed3e58 to 0xc5ed4000) # [ 71.875287] 3e40: c5ed3e74 c5ed3e68 # [ 71.883497] 3e60: c0c35398 c0c35910 c5ed3e9c c5ed3e78 c0c35898 c0c35378 c0c35778 c29c8b40 # [ 71.891705] 3e80: b6e8c000 00000004 c3025d80 c5ed3f60 c5ed3ec4 c5ed3ea0 c07e184c c0c35784 # [ 71.899914] 3ea0: 00000000 c29c8b40 b6e8c000 c2815800 c5ed3f60 c07e17e8 c5ed3f5c c5ed3ec8 # [ 71.908122] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5ed2000 # [ 71.916330] 3ee0: b6e8c000 00020000 00000004 00000004 0001fffc c5ed3ee0 00000001 b6e8b000 # [ 71.924537] 3f00: c63f3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.932745] 3f20: 00000000 00000000 c1371e38 6b207616 c205c880 c29c8b40 c29c8b40 c5ed2000 # [ 71.940952] 3f40: b6e8c000 00000000 00000000 00000004 c5ed3f94 c5ed3f60 c0599c20 c059958c # [ 71.949162] 3f60: 00000000 00000000 c5ed3fac 6b207616 00000004 00000004 b6fd3e00 00000004 # [ 71.957369] 3f80: c03002e4 c5ed2000 c5ed3fa4 c5ed3f98 c0599cb0 c0599bb8 00000000 c5ed3fa8 # [ 71.965578] 3fa0: c03000c0 c0599ca4 00000004 00000004 00000001 b6e8c000 00000004 00000000 # [ 71.973784] 3fc0: 00000004 00000004 b6fd3e00 00000004 00000001 00000000 00020000 beb0ba64 # [ 71.981991] 3fe0: 00000004 beb0b798 b6f3e4cf b6ec47e6 800e0030 00000001 00000000 00000000 # [ 71.990185] Backtrace: # [ 71.992681] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.000288] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.008333] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.016283] r9:c5ed3f60 r8:c3025d80 r7:00000004 r6:b6e8c000 r5:c29c8b40 r4:c0c35778 # [ 72.024070] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 72.031933] r9:c07e17e8 r8:c5ed3f60 r7:c2815800 r6:b6e8c000 r5:c29c8b40 r4:00000000 # [ 72.039711] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.046879] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c5ed2000 r5:c29c8b40 # [ 72.054730] r4:c29c8b40 # [ 72.057299] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 72.064466] r9:c5ed2000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000004 r4:00000004 # [ 72.072245] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 72.079837] Exception stack(0xc5ed3fa8 to 0xc5ed3ff0) # [ 72.084918] 3fa0: 00000004 00000004 00000001 b6e8c000 00000004 00000000 # [ 72.093126] 3fc0: 00000004 00000004 b6fd3e00 00000004 00000001 00000000 00020000 beb0ba64 # [ 72.101328] 3fe0: 00000004 beb0b798 b6f3e4cf b6ec47e6 # [ 72.106412] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 72.112539] ---[ end trace 64ef18afca51f185 ]--- # [ 72.117186] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 72.126084] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 727, name: cat # [ 72.13[ 72.926835] lkdtm: Performing direct entry WARNING 3759] INFO: lockdep is turned off[ 72.932093] ------------[ cut here ]------------ . # [ 72.137700] irq event sta[ 72.939540] WARNING: CPU: 1 PID: 798 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c mp: 1568 # [ 72.141059] hardir[ 72.950928] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 qs last enabled at (1567): [] console_unlock+0x4b0/0x6c[ 72.993040] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0 # [ 72.148920] hardirqs last[ 73.002429] Backtrace: disabled at (1568): [][ 73.007755] [] (dump_backtrace) from [] (show_stack+0x20/0x24) __und_svc+0x60/0x6c # [ 72.15[ 73.018177] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 6174] softirqs last enabled at ([ 73.026705] [] (show_stack) from [] (dump_stack+0xe0/0x100) 1316): [] __do_softirq+[ 73.036876] [] (dump_stack) from [] (__warn+0x98/0x14c) 0x378/0x5fc # [ 72.163862] sof[ 73.046693] r9:00000009 r8:c0c35964 r7:00000053 r6:00000009 r5:c0c35964 r4:c1accd98 tirqs last disabled at (1309): [<[ 73.057300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) c035f1c8>] __irq_exit_rcu+0x178/0[ 73.067642] r7:00000053 r6:c1accd98 r5:00000000 r4:c5a8e000 x1d0 # [ 72.171723] CPU: 2 PID[ 73.076169] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) : 727 Comm: cat Tainted: G D[ 73.087119] r9:c1acc6e0 r8:c15e88e4 r7:c5a8ff60 r6:00000008 r5:c5a35000 r4:00000002 5.10.172-cip27 #1 # [[ 73.097725] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 72.179398] Hardware name: Free[ 73.108503] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) scale i.MX6 Quad/DualLite (Device[ 73.119375] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) Tree) # [ 72.185943] Backtrac[ 73.130150] r9:c5a8ff60 r8:c3025d80 r7:00000008 r6:b6e15000 r5:c5c663c0 r4:c0c35778 e: # [ 72.188449] [[ 73.140762] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) ] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ [ 73.162055] [] (vfs_write) from [] (ksys_write+0x74/0xec) 72.196049] r7:fffff[ 73.172050] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c5a8e000 r5:c5c663c0 [ 73.181697] r4:c5c663c0 [ 73.184242] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 73.191385] r9:c5a8e000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000008 r4:00000008 [ 73.199139] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 73.206714] Exception stack(0xc5a8ffa8 to 0xc5a8fff0) [ 73.211775] ffa0: 00000008 00000008 00000001 b6e15000 00000008 00000000 [ 73.219961] ffc0: 00000008 00000008 b6f5ce00 00000004 00000001 00000000 00020000 beaeea64 [ 73.228145] ffe0: 00000004 beaee798 b6ec74cf b6e4d7e6 [ 73.233302] irq event stamp: 0 [ 73.236377] hardirqs last enabled at (0): [<00000000>] 0x0 f[ 73.241996] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 73.249539] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 ff r6:600e0093 r5:00000000 r4:c1f[ 73.257090] softirqs last disabled at (0): [<00000000>] 0x0 0f978 [ 73.265514] ---[ end trace 64ef18afca51f186 ]--- # [ 72.201751] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 72.209109] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) # [ 72.216885] r9:600e0093 r8:0000000b r7:c035bd38 r6:00000031 r5:c19c8c4c r4:c5ed2000 # [ 72.224665] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 72.232520] r6:00000000 r5:00000031 r4:c19c8c4c # [ 72.237184] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 72.244952] r6:00000001 r5:c5ed2000 r4:c607b600 # [ 72.249617] [] (exit_signals) from [] (do_exit+0x100/0xb38) # [ 72.256955] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c607b600 # [ 72.263694] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 72.271024] r7:c1e0f84c # [ 72.273595] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 72.280761] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 72.287842] r10:00000004 r9:c5ed2000 r8:c15e88e4 r7:00000000 r6:c5ed3dc8 r5:c0c35918 # [ 72.295691] r4:e7f001f2 # [ 72.298257] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 72.306198] Exception stack(0xc5ed3dc8 to 0xc5ed3e10) # [ 72.311281] 3dc0: c15e88ec ef7ab5e0 6b207616 c0c35904 00000001 c5a35000 # [ 72.319490] 3de0: 00000004 c5ed3f60 c15e88e4 c1acc6dc 00000004 c5ed3e64 c5ed3e68 c5ed3e58 # [ 72.327691] 3e00: c0c35398 c0c35918 a00e0013 ffffffff # [ 72.332770] r7:c5ed3dfc r6:ffffffff r5:a00e0013 r4:c0c3591c # [ 72.338465] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.346065] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.354106] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.362055] r9:c5ed3f60 r8:c3025d80 r7:00000004 r6:b6e8c000 r5:c29c8b40 r4:c0c35778 # [ 72.369836] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 72.377697] r9:c07e17e8 r8:c5ed3f60 r7:c2815800 r6:b6e8c000 r5:c29c8b40 r4:00000000 # [ 72.385472] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.392637] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c5ed2000 r5:c29c8b40 # [ 72.400486] r4:c29c8b40 # [ 72.403051] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 72.410217] r9:c5ed2000 r8:c03002e4 r7:00000004 r6:b6fd3e00 r5:00000004 r4:00000004 # [ 72.417991] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 72.425580] Exception stack(0xc5ed3fa8 to 0xc5ed3ff0) # [ 72.430661] 3fa0: 00000004 00000004 00000001 b6e8c000 00000004 00000000 # [ 72.438868] 3fc0: 00000004 00000004 b6fd3e00 00000004 00000001 00000000 00020000 beb0ba64 # [ 72.447070] 3fe0: 00000004 beb0b798 b6f3e4cf b6ec47e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 72.926835] lkdtm: Performing direct entry WARNING # [ 72.932093] ------------[ cut here ]------------ # [ 72.939540] WARNING: CPU: 1 PID: 798 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 72.950928] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 72.982608] CPU: 1 PID: 798 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 72.993040] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.002429] Backtrace: # [ 73.007755] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 73.018177] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 73.026705] [] (show_stack) from [] (dump_sta[ 73.616760] lkdtm: Performing direct entry WARNING_MESSAGE ck+0xe0/0x100) # [ 73.036876] [ 73.623652] ------------[ cut here ]------------ [] (dump_stack) from [<[ 73.631185] WARNING: CPU: 3 PID: 833 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 c0356804>] (__warn+0x98/0x14c) #[ 73.643101] Warning message trigger count: 2 [ 73.046693] r9:00000009 r8:c[ 73.650280] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 0c35964 r7:00000053 r6:00000009 r[ 73.681937] CPU: 3 PID: 833 Comm: cat Tainted: G D W 5.10.172-cip27 #1 5:c0c35964 r4:c1accd98 # [ 73.[ 73.692409] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 057300] [] (__warn) fro[ 73.701799] Backtrace: m [] (warn_slowpath_fmt[ 73.707125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) +0x8c/0xa8) # [ 73.067642] r7[ 73.717545] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 :00000053 r6:c1accd98 r5:00000000[ 73.726072] [] (show_stack) from [] (dump_stack+0xe0/0x100) r4:c5a8e000 # [ 73.076169] [<[ 73.736246] [] (dump_stack) from [] (__warn+0x98/0x14c) c134fed0>] (warn_slowpath_fmt) fr[ 73.746064] r9:00000009 r8:c0c359b4 r7:00000058 r6:00000009 r5:c0c359b4 r4:c1accd98 om [] (lkdtm_WARNING+0x[ 73.756672] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 48/0x4c) # [ 73.087119] r9:c1[ 73.767012] r7:00000058 r6:c1accd98 r5:c1accdb4 r4:c5f02000 acc6e0 r8:c15e88e4 r7:c5a8ff60 r6[ 73.775540] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) :00000008 r5:c5a35000 r4:00000002[ 73.787184] r9:c1acc6e8 r8:c15e88e4 r7:c5f03f60 r6:00000010 r5:c5cda000 r4:00000003 # [ 73.097725] [] ([ 73.797790] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) lkdtm_WARNING) from [] [ 73.809264] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) (lkdtm_do_action+0x2c/0x4c) # [ [ 73.820135] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 73.108503] [] (lkdtm_[ 73.830907] r9:c5f03f60 r8:c3025d80 r7:00000010 r6:b6e1e000 r5:c5bb4f00 r4:c0c35778 do_action) from [] (dir[ 73.841519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) ect_entry+0x120/0x18c) # [ 73.[ 73.852205] r9:c07e17e8 r8:c5f03f60 r7:c2815800 r6:b6e1e000 r5:c5bb4f00 r4:00000000 119375] [] (direct_entr[ 73.862810] [] (vfs_write) from [] (ksys_write+0x74/0xec) y) from [] (full_proxy_[ 73.872807] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c5f02000 r5:c5bb4f00 write+0x64/0x94) # [ 73.130150[ 73.883495] r4:c5bb4f00 ] r9:c5a8ff60 r8:c3025d80 r7:000[ 73.888900] [] (ksys_write) from [] (sys_write+0x18/0x1c) 00008 r6:b6e15000 r5:c5c663c0 r4:[ 73.898895] r9:c5f02000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000010 r4:00000010 [ 73.909504] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 73.917077] Exception stack(0xc5f03fa8 to 0xc5f03ff0) [ 73.922137] 3fa0: 00000010 00000010 00000001 b6e1e000 00000010 00000000 [ 73.930322] 3fc0: 00000010 00000010 b6f65e00 00000004 00000001 00000000 00020000 bead5a64 c0c35778 # [ 73.140762] [] (full_proxy_write) from [<[ 73.946456] irq event stamp: 0 c059968c>] (vfs_write+0x10c/0x524[ 73.952384] hardirqs last enabled at (0): [<00000000>] 0x0 ) # [ 73.151447] r9:c07e17e8 [ 73.960854] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 r8:c5a8ff60 r7:c2815800 r6:b6e150[ 73.971231] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 00 r5:c5c663c0 r4:00000000 # [ [ 73.981596] softirqs last disabled at (0): [<00000000>] 0x0 73.162055] [] (vfs_wri[ 73.990048] ---[ end trace 64ef18afca51f187 ]--- te) from [] (ksys_write+0x74/0xec) # [ 73.172050] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c5a8e000 r5:c5c663c0 # [ 73.181697] r4:c5c663c0 # [ 73.184242] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 73.191385] r9:c5a8e000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000008 r4:00000008 # [ 73.199139] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 73.206714] Exception stack(0xc5a8ffa8 to 0xc5a8fff0) # [ 73.211775] ffa0: 00000008 00000008 00000001 b6e15000 00000008 00000000 # [ 73.219961] ffc0: 00000008 00000008 b6f5ce00 00000004 00000001 00000000 00020000 beaeea64 # [ 73.228145] ffe0: 00000004 beaee798 b6ec74cf b6e4d7e6 # [ 73.233302] irq event stamp: 0 # [ 73.236377] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 73.241996] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 73.249539] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 73.257090] softirqs last disabled at (0): [<00000000>] 0x0 # [ 73.265514] ---[ end trace 64ef18afca51f186 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 73.616760] lkdtm: Performing direct entry WARNING_MESSAGE # [ 73.623652] ------------[ cut here ]------------ # [ 73.631185] WARNING: CPU: 3 PID: 833 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 73.643101] Warning message trigger count: 2 # [ 73.650280] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 73.681937] CPU: 3 PID: 833 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 73.692409] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.701799] Backtrace: # [ 73.707125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 73.717545] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 73.726072] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 73.736246] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 73.746064] r9:00000009 r8:c0c359b4 r7:00000058 r6:00000009 r5:c0c359b4 r4:c1accd98 # [ 73.756672] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 73.767012] r7:00000058 r6:c1accd98 r5:c1accdb4 r4:c5f02000 # [ 73.775540] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 73.787184] r9:c1acc6e8 r8:c15e88e4 r7:c5f03f60 r6:00000010 r5:c5cda000 r4:00000003 # [ 73.797790] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.809264] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.820135] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.830907] r9:c5f03f60 r8:c3025d80 r7:00000010 r6:b6e1e000 r5:c5bb4f00 r4:c0c35778 # [ 73.841519] [] (full_proxy_write) from [] (vfs_write+0x10c/0[ 74.281823] lkdtm: Performing direct entry EXCEPTION x524) # [ 73.852205] r9:[c 0 74.287923] 8<--- cut here --- e17e8 r8:c5f03f60 r7:c2815800 r6:[ 74.293835] Unable to handle kernel NULL pointer dereference at virtual address 00000000 b6e1e000 r5:c5bb4f00 r4:00000000 [ 74.304597] pgd = 47c0fa6b # [ 73.862810] [] (v[ 74.310295] [00000000] *pgd=00000000 fs_write) from [] (ksys[ 74.316585] Internal error: Oops: 805 [#2] SMP ARM _write+0x74/0xec) # [ 73.87280[ 74.324221] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 7] r10:00000004 r[9 : 0 07040.0355925] CPU: 2 PID: 865 Comm: cat Tainted: G D W 5.10.172-cip27 #1 00 r8:000[0 0 0 0704 .r376:5b764e] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 1e000 r6:c5f02000 r5:c5bb[4 f 0 04.374019] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 73.88[3 4 9 754]. 3 8r04884] LR is at lkdtm_do_action+0x2c/0x4c c5bb4f00 # [[ 7743..388878235] pc : [] lr : [] psr: a00e0013 00] [3]9 5(4k0s8] sp : c5bb7e58 ip : c5bb7e68 fp : c5bb7e64 s_write)[ f r o7m4. 4[0<2c306589 r10: 0000000a r9 : c1acc6f8 r8 : c15e88e4 9cb0>] (sys_[w r i t7e4+.04x0198243] r7 : c5bb7f60 r6 : 0000000a r5 : c646b000 r4 : 00000004 0x1c) #[ [ 7 47.34.187968786] r3 : 00000000 r2 : 8f290eb6 r1 : ef7ab5e0 r0 : c15e8904 5] r9:c5f0[2 0 0704 .r482:5c9040] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 002e4 r7:000[0 0 0 0744 .r463:4b898] Control: 10c5387d Table: 1581804a DAC: 00000051 f65e00 r5:00[0 0 0 07140. 4r442:552] Process cat (pid: 865, stack limit = 0x09e9060d) 0000010 # [[ 7743..495009159] Stack: (0xc5bb7e58 to 0xc5bb8000) 04] [ ] 7(4s.4y5s6_298] 7e40: c5bb7e74 c5bb7e68 rite) from [4]6 385] 7e60: c0c35398 c0c359c8 c5bb7e9c c5bb7e78 c0c35898 c0c35378 c0c35778 c611b180 (ret_fast_sysc[a l l +704x.04/706556] 7e80: b6dfc000 0000000a c3025d80 c5bb7f60 c5bb7ec4 c5bb7ea0 c07e184c c0c35784 28) # [ 73[. 9 1 77047.74]8 6E27] 7ea0: 00000000 c611b180 b6dfc000 c2815800 c5bb7f60 c07e17e8 c5bb7f5c c5bb7ec8 xception stack(0[x c 5 f704.34f9a814] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c4688e24 c0599c20 c5bb6000 8 to 0xc5f03ff[0 ) 7#4 .[5 0 6985] 7ee0: b6dfc000 00020000 00000004 0000000a 0001fff6 c5bb7ee0 00000001 00000805 73.922137] 3fa[0 : 7 4 . 5 1 7157] 7f00: c6057680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000000[1 0 07040.0507331] 7f20: 00000000 00000000 c5bb6000 8f290eb6 b6dfb000 c611b180 c611b180 c5bb6000 010 00000001 b6[e 1 e 0704.05 307588] 7f40: b6dfc000 00000000 00000000 00000004 c5bb7f94 c5bb7f60 c0599c20 c059958c 000010 00000000[ # 7[4 . 5 47759] 7f60: 00000000 00000000 c5bb7fac 8f290eb6 0000000a 0000000a b6f43e00 00000004 3.930322] 3fc[0 : 07040.050507130] 7f80: c03002e4 c5bb6000 c5bb7fa4 c5bb7f98 c0599cb0 c0599bb8 00000000 c5bb7fa8 0 00000010 b6f6[5 e 0 07 40.05060016] 7fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 0004 00000001[ 0 0 07040.050780187] 7fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beff9a64 00020000 bead5a[6 4 7#4 .[5 8 272] 7fe0: 00000004 beff9798 b6eae4cf b6e347e6 800e0030 00000001 00000000 00000000 73.938504] 3f[e 0 : 7040.050908437] Backtrace: 04 bead5798 b6ed04cf[ b 6 e7546.602889] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) e6 # [ 73.94645[6 ] i7r4q. 613234] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) vent stamp: 0 # [ 73.95[2 3 8 74.623411] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ] hardirqs last[ e n7a4b.l6e3d837] r9:c5bb7f60 r8:c3025d80 r7:0000000a r6:b6dfc000 r5:c611b180 r4:c0c35778 at (0): [<00000000>] 0x[0 #74.643583] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 73.960854] h[a r d i7r4q.s6 53835] r9:c07e17e8 r8:c5bb7f60 r7:c2815800 r6:b6dfc000 r5:c611b180 r4:00000000 ast disabled at ([0 ) : 7[4<.c603662] [] (vfs_write) from [] (ksys_write+0x74/0xec) 353d04>] copy_p[r o c e7s4s.+607x875] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c5bb6000 r5:c611b180 5f8/0x197[4 #7 4[. 6 8 27639.] r4:c611b180 971231] softirqs la[s t 7e4n.a86970] [] (ksys_write) from [] (sys_write+0x18/0x1c) bled at (0): [<[c 0 3 5734d.0649>272] r9:c5bb6000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:0000000a r4:0000000a ] copy_process+0x5f8/[0 x 1 97744706013] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 73[. 9 8 17549.67]1 5s8o30] Exception stack(0xc5bb7fa8 to 0xc5bb7ff0) tirqs last di[s a b l7e4d. 7a2t2 06] 7fa0: 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 (0): [<00000000[> ] 07x40. 7 3#792] 7fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beff9a64 [ 73.990[0 4 8 ]7 4-.-7-4[2 9e2] 7fe0: 00000004 beff9798 b6eae4cf b6e347e6 nd trace 64ef18afc[a 5 1 f7148.7749839] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) ]--- # WARNING_MESSAGE: saw 'mes[ 74.758147] ---[ end trace 64ef18afca51f188 ]--- sage trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 74.281823] lkdtm: Performing direct entry EXCEPTION # [ 74.287923] 8<--- cut here --- # [ 74.293835] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 74.304597] pgd = 47c0fa6b # [ 74.310295] [00000000] *pgd=00000000 # [ 74.316585] Internal error: Oops: 805 [#2] SMP ARM # [ 74.324221] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.355925] CPU: 2 PID: 865 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 74.365745] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.374019] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 74.380884] LR is at lkdtm_do_action+0x2c/0x4c # [ 74.387235] pc : [] lr : [] psr: a00e0013 # [ 74.395408] sp : c5bb7e58 ip : c5bb7e68 fp : c5bb7e64 # [ 74.402368] r10: 0000000a r9 : c1acc6f8 r8 : c15e88e4 # [ 74.409243] r7 : c5bb7f60 r6 : 0000000a r5 : c646b000 r4 : 00000004 # [ 74.417676] r3 : 00000000 r2 : 8f290eb6 r1 : ef7ab5e0 r0 : c15e8904 # [ 74.425940] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.434898] Control: 10c5387d Table: 1581804a DAC: 00000051 # [ 74.442552] Process cat (pid: 865, stack limit = 0x09e9060d) # [ 74.450119] Stack: (0xc5bb7e58 to 0xc5bb8000) # [ 74.456298] 7e40: c5bb7e74 c5bb7e68 # [ 74.466385] 7e60: c0c35398 c0c359c8 c5bb7e9c c5bb7e78 c0c35898 c0c35378 c0c35778 c611b180 # [ 74.476556] 7e80: b6dfc000 0000000a c3025d80 c5bb7f60 c5bb7ec4 c5bb7ea0 c07e184c c0c35784 # [ 74.486727] 7ea0: 00000000 c611b180 b6dfc000 c2815800 c5bb7f60 c07e17e8 c5bb7f5c c5bb7ec8 # [ 74.496814] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c4688e24 c0599c20 c5bb6000 # [ 74.506985] 7ee0: b6dfc000 00020000 00000004 0000000a 0001fff6 c5bb7ee0 00000001 00000805 # [ 74.517157] 7f00: c6057680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.527331] 7f20: 00000000 00000000 c5bb6000 8f290eb6 b6dfb000 c611b180 c611b180 c5bb6000 # [ 74.537588] 7f40: b6dfc000 00000000 00000000 00000004 c5bb7f94 c5bb7f60 c0599c20 c059958c # [ 74.547759] 7f60: 00000000 00000000 c5bb7fac 8f290eb6 0000000a 0000000a b6f43e00 00000004 # [ 74.557930] 7f80: c03002e4 c5bb6000 c5bb7fa4 c5bb7f98 c0599cb0 c0599bb8 00000000 c5bb7fa8 # [ 74.568016] 7fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 # [ 74.578187] 7fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beff9a64 # [ 74.588272] 7fe0: 00000004 beff9798 b6eae4cf b6e347e6 800e0030 00000001 00000000 00000000 # [ 74.598437] Backtrace: # [ 74.602889] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.613234] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.623411] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.633837] r9:c5bb7f60 r8:c3025d80 r7:0000000a r6:b6dfc000 r5:c611b180 r4:c0c35778 # [ 74.643583] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 74.653835] r9:c07e17e8 r8:c5bb7f60 r7:c2815800 r6:b6dfc000 r5:c611b180 r4:00000000 # [ 74.663662] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.672875] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c5bb6000 r5:c611b180 # [ 74.682696] r4:c611b180 # [ 74.686970] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.696272] r9:c5bb6000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:0000000a r4:0000000a # [ 74.706013] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.715830] Exception stack(0xc5bb7fa8 to 0xc5bb7ff0) # [ 74.722706] 7fa0: 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 # [ 74.732792] 7fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beff9a64 # [ 74.742962] 7fe0: 00000004 beff9798 b6eae4cf b6e347e6 # [ 74.749839] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 74.758147] ---[ end trace 64ef18afca51f188 ]--- # 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 [ 75.927652] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 75.933322] lkdtm: attempting good list addition [ 75.937955] lkdtm: attempting corrupted list addition [ 75.943123] lkdtm: list_add() corruption not detected! # [ 75.927652] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 75.933322] lkdtm: attempting good list addition # [ 75.937955] lkdtm: attempting corrupted list addition # [ 75.943123] 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 [ 76.293355] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 76.298949] lkdtm: attempting good list removal [ 76.303716] lkdtm: attempting corrupted list removal [ 76.308727] lkdtm: list_del() corruption not detected! # [ 76.293355] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 76.298949] lkdtm: attempting good list removal # [ 76.303716] lkdtm: attempting corrupted list removal # [ 76.308727] 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 [ 76.631171] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 76.637465] lkdtm: attempting bad read from page below current stack [ 76.643946] lkdtm: FAIL: accessed page before stack! (byte: ff) # [ 76.631171] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 76.637465] lkdtm: attempting bad read from page below current stack # [ 76.643946] lkdtm: FAIL: accessed page before stack! (byte: ff) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 76.967766] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 76.974275] lkdtm: attempting bad read from page above current stack [ 76.980694] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 76.967766] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 76.974275] lkdtm: attempting bad read from page above current stack # [ 76.980694] 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 [ 77.324149] lkdtm: Performing direct entry UNSET_SMEP [ 77.329222] lkdtm: XFAIL: this test is x86_64-only # [ 77.324149] lkdtm: Performing direct entry UNSET_SMEP # [ 77.329222] 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 [ 77.657114] lkdtm: Performing direct entry DOUBLE_FAULT [ 77.662563] lkdtm: XFAIL: this test is ia32-only # [ 77.657114] lkdtm: Performing direct entry DOUBLE_FAULT # [ 77.662563] 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 [ 78.009839] lkdtm: Performing direct entry CORRUPT_PAC [ 78.014999] lkdtm: XFAIL: this test is arm64-only # [ 78.009839] lkdtm: Performing direct entry CORRUPT_PAC # [ 78.014999] 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 [ 78.348174] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 78.354801] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 78.348174] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 78.354801] 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 [ 79.063515] lkdtm: Performing direct entry READ_AFTER_FREE [ 79.069025] lkdtm: Value in memory before free: 12345678 [ 79.074422] lkdtm: Attempting bad read from freed memory [ 79.079781] lkdtm: Memory was not poisoned # [ 79.063515] lkdtm: Performing direct entry READ_AFTER_FREE # [ 79.069025] lkdtm: Value in memory before free: 12345678 # [ 79.074422] lkdtm: Attempting bad read from freed memory # [ 79.079781] 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 [ 79.606990] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 79.613089] lkdtm: Value in memory before free: 12345678 [ 79.618414] lkdtm: Attempting to read from freed memory [ 79.623764] lkdtm: Buddy page was not poisoned # [ 79.606990] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 79.613089] lkdtm: Value in memory before free: 12345678 # [ 79.618414] lkdtm: Attempting to read from freed memory # [ 79.623764] 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 [ 79.953754] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 79.959359] lkdtm: Attempting double slab free ... # [ 79.953754] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 79.959359] 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 [ 80.296718] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 80.302530] lkdtm: Attempting cross-cache slab free ... # [ 80.296718] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 80.302530] 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 [ 80.628908] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 80.634523] lkdtm: Attempting non-Slab slab free ... # [ 80.628908] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 80.634523] 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 [ 81.734106] lkdtm: Performing direct entry EXEC_DATA [ 81.739095] lkdtm: attempting ok execution at c0c36108 [ 81.744396] lkdtm: attempting bad execution at c26f696c [ 81.749677] 8<--- cut here --- [ 81.752743] Unable to handle kernel paging request at virtual address c26f696c [ 81.759976] pgd = cdc8f2b9 [ 81.762691] [c26f696c] *pgd=1261141e(bad) [ 81.766727] Internal error: Oops: 8000000d [#3] SMP ARM [ 81.771970] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 81.801262] CPU: 1 PID: 1708 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 81.809027] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 81.815593] PC is at data_area+0x0/0x40 [ 81.819472] LR is at execute_location+0xa4/0xb4 [ 81.824030] pc : [] lr : [] psr: 600e0013 [ 81.830320] sp : c5cefe38 ip : 00000027 fp : c5cefe54 [ 81.835565] r10: 0000000a r9 : c1acc8dc r8 : c15e88e4 [ 81.840812] r7 : c5ceff60 r6 : 00000001 r5 : c26f696c r4 : c0c36108 [ 81.847359] r3 : 759737c1 r2 : 759737c1 r1 : ef7965e4 r0 : 0000002b [ 81.853912] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 81.861071] Control: 10c5387d Table: 1583404a DAC: 00000051 [ 81.866840] Process cat (pid: 1708, stack limit = 0xe3af9e33) [ 81.872608] Stack: (0xc5cefe38 to 0xc5cf0000) [ 81.876993] fe20: 0000001f c5b19000 [ 81.885205] fe40: 0000000a c5ceff60 c5cefe64 c5cefe58 c135c7ac c135c5a8 c5cefe74 c5cefe68 [ 81.893415] fe60: c0c35398 c135c794 c5cefe9c c5cefe78 c0c35898 c0c35378 c0c35778 c611a500 [ 81.901623] fe80: b6dd8000 0000000a c3025d80 c5ceff60 c5cefec4 c5cefea0 c07e184c c0c35784 [ 81.909832] fea0: 00000000 c611a500 b6dd8000 c2815800 c5ceff60 c07e17e8 c5ceff5c c5cefec8 [ 81.918039] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5cee000 [ 81.926248] fee0: b6dd8000 00020000 00000004 0000000a 0001fff6 c5cefee0 00000001 b6dd7000 [ 81.934455] ff00: c614fb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 81.942663] ff20: 00000000 00000000 c1371e38 759737c1 c205c880 c611a500 c611a500 c5cee000 [ 81.950871] ff40: b6dd8000 00000000 00000000 00000004 c5ceff94 c5ceff60 c0599c20 c059958c [ 81.959078] ff60: 00000000 00000000 c5ceffac 759737c1 0000000a 0000000a b6f1fe00 00000004 [ 81.967286] ff80: c03002e4 c5cee000 c5ceffa4 c5ceff98 c0599cb0 c0599bb8 00000000 c5ceffa8 [ 81.975494] ffa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6dd8000 0000000a 00000000 [ 81.983702] ffc0: 0000000a 0000000a b6f1fe00 00000004 00000001 00000000 00020000 bef2aa64 [ 81.991910] ffe0: 00000004 bef2a798 b6e8a4cf b6e107e6 800e0030 00000001 00000000 00000000 [ 82.000103] Backtrace: [ 82.002609] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 82.010822] r7:c5ceff60 r6:0000000a r5:c5b19000 r4:0000001f [ 82.016522] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.024649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.032696] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.040645] r9:c5ceff60 r8:c3025d80 r7:0000000a r6:b6dd8000 r5:c611a500 r4:c0c35778 [ 82.048431] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 82.056293] r9:c07e17e8 r8:c5ceff60 r7:c2815800 r6:b6dd8000 r5:c611a500 r4:00000000 [ 82.064071] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 82.071237] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c5cee000 r5:c611a500 [ 82.079087] r4:c611a500 [ 82.081655] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.088823] r9:c5cee000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:0000000a r4:0000000a [ 82.096605] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.104200] Exception stack(0xc5ceffa8 to 0xc5cefff0) [ 82.109284] ffa0: 0000000a 0000000a 00000001 b6dd8000 0000000a 00000000 [ 82.117493] ffc0: 0000000a 0000000a b6f1fe00 00000004 00000001 00000000 00020000 bef2aa64 [ 82.125698] ffe0: 00000004 bef2a798 b6e8a4cf b6e107e6 [ 82.130784] Code: 00000000 c2afa900 c2afa9c0 c2afaa80 (e1a0c00d) [ 82.136909] ---[ end trace 64ef18afca51f189 ]--- # Segmentation fault # [ 81.734106] lkdtm: Performing direct entry EXEC_DATA # [ 81.739095] lkdtm: attempting ok execution at c0c36108 # [ 81.744396] lkdtm: attempting bad execution at c26f696c # [ 81.749677] 8<--- cut here --- # [ 81.752743] Unable to handle kernel paging request at virtual address c26f696c # [ 81.759976] pgd = cdc8f2b9 # [ 81.762691] [c26f696c] *pgd=1261141e(bad) # [ 81.766727] Internal error: Oops: 8000000d [#3] SMP ARM # [ 81.771970] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.801262] CPU: 1 PID: 1708 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 81.809027] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.815593] PC is at data_area+0x0/0x40 # [ 81.819472] LR is at execute_location+0xa4/0xb4 # [ 81.824030] pc : [] lr : [] psr: 600e0013 # [ 81.830320] sp : c5cefe38 ip : 00000027 fp : c5cefe54 # [ 81.835565] r10: 0000000a r9 : c1acc8dc r8 : c15e88e4 # [ 81.840812] r7 : c5ceff60 r6 : 00000001 r5 : c26f696c r4 : c0c36108 # [ 81.847359] r3 : 759737c1 r2 : 759737c1 r1 : ef7965e4 r0 : 0000002b # [ 81.853912] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.861071] Control: 10c5387d Table: 1583404a DAC: 00000051 # [ 81.866840] Process cat (pid: 1708, stack limit = 0xe3af9e33) # [ 81.872608] Stack: (0xc5cefe38 to 0xc5cf0000) # [ 81.876993] fe20: 0000001f c5b19000 # [ 81.885205] fe40: 0000000a c5ceff60 c5cefe64 c5cefe58 c135c7ac c135c5a8 c5cefe74 c5cefe68 # [ 81.893415] fe60: c0c35398 c135c794 c5cefe9c c5cefe78 c0c35898 c0c35378 c0c35778 c611a500 # [ 81.901623] fe80: b6dd8000 0000000a c3025d80 c5ceff60 c5cefec4 c5cefea0 c07e184c c0c35784 # [ 81.909832] fea0: 00000000 c611a500 b6dd8000 c2815800 c5ceff60 c07e17e8 c5ceff5c c5cefec8 # [ 81.918039] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5cee000 # [ 81.926248] fee0: b6dd8000 00020000 00000004 0000000a 0001fff6 c5cefee0 00000001 b6dd7000 # [ 81.934455] ff00: c614fb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.942663] ff20: 00000000 00000000 c1371e38 759737c1 c205c880 c611a500 c611a500 c5cee000 # [ 81.950871] ff40: b6dd8000 00000000 00000000 00000004 c5ceff94 c5ceff60 c0599c20 c059958c # [ 81.959078] ff60: 00000000 00000000 c5ceffac 759737c1 0000000a 0000000a b6f1fe00 00000004 # [ 81.967286] ff80: c03002e4 c5cee000 c5ceffa4 c5ceff98 c0599cb0 c0599bb8 00000000 c5ceffa8 # [ 81.975494] ffa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6dd8000 0000000a 00000000 # [ 81.983702] ffc0: 0000000a 0000000a b6f1fe00 00000004 00000001 00000000 00020000 bef2aa64 # [ 81.991910] ffe0: 00000004 bef2a798 b6e8a4cf b6e107e6 800e0030 00000001 00000000 00000000 # [ 82.000103] Backtrace: # [ 82.002609] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 82.010822] r7:c5ceff60 r6:0000000a r5:c5b19000 r4:0000001f # [ 82.016522] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.024649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.032696] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.040645] r9:c5ceff60 r8:c3025d80 r7:0000000a r6:b6dd8000 r5:c61[ 82.546781] lkdtm: Performing direct entry EXEC_STACK 1a500 r4:c0c35778 # [ 82.04843[ 82.552737] lkdtm: attempting ok execution at c0c36108 1] [] (full_proxy_write[ 82.560847] lkdtm: attempting bad execution at c6487e0c ) from [] (vfs_write+0x[ 82.568826] 8<--- cut here --- 10c/0x524)[ # 8[2 . 5 78427.06] Unable to handle kernel paging request at virtual address c6487e0c 56293] r9[: c 0 78e21.75e8837 5r] pgd = cdc8f2b9 8:c5ceff60 r7:c2815800 r6:b[6 d d82.588194] [c6487e0c] *pgd=1641141e(bad) 8000 r5:c611a500 [r 4 : 08020.0504725] Internal error: Oops: 8000000d [#4] SMP ARM 000 # [ 82.064071] [[ 82.602029] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] (vfs_write) fro[m [ <8c20.5693732] CPU: 1 PID: 1784 Comm: cat Tainted: G D W 5.10.172-cip27 #1 9c20>] (k[s y s _82w.r6i4t3e5+502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 74/0xec) # [ 82[. 0 7 18223.671820] PC is at 0xc6487e0c ] r10:00000004 r9:00000000 r[8 : 82.657050] LR is at execute_location+0xa4/0xb4 00000000 r[7 : b 68d2d.86060401 70] pc : [] lr : [] psr: 600e0013 6:c5cee000[ r 58:2c.661712a2550] sp : c6487de8 ip : 00000027 fp : c6487e04 0 # [ [8 2 . 08729.068779]2 1 ] r10: 0000000b r9 : c1acc8e8 r8 : c15e88e4 r4:c611a50[0 #8 2[. 6 8 681277] r7 : c6487f60 r6 : 00000001 r5 : c6487e0c r4 : c0c36108 081655] [[ < c8025.9699b4a5c2>3] r3 : a002cf85 r2 : a002cf85 r1 : ef7965e4 r0 : 0000002b (ksys_write) [f r o m8 2[.<7c02001] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 599cb0>] (sy[s _ w r8i2t.e7+101x742] Control: 10c5387d Table: 1583404a DAC: 00000051 8/0x1c) # [ [ 8 2 .8028.878129396] Process cat (pid: 1784, stack limit = 0x1e72292a) ] r9:c5c[e e 0 0802 .r7287:1c304] Stack: (0xc6487de8 to 0xc6488000) 002e4 r7:00000004 r[6 : b 68f21.f33232] 7de0: c6486000 c5a35000 0000000b c6487f60 c6487e64 c6487e08 e00 r5:0000000a [r 4 : 08020.07043576] 7e00: c135c7e8 c135c5a8 c6487e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 0a # [ 82.0966[0 5 ] 8[2<.c703834] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 599c98>] (sys_wr[i t e )8 2f.r7o64091] 7e40: e3a02040 e3a01d33 e5930018 a002cf85 0000000b 00000020 c6487e74 c6487e68 [] ([r e t _8f2a.s7t7_349] 7e60: c0c35398 c135c7bc c6487e9c c6487e78 c0c35898 c0c35378 c0c35778 c611ab40 syscall+0x0/0x[2 8 ) 8 2#. 7[8 4520] 7e80: b6e72000 0000000b c3025d80 c6487f60 c6487ec4 c6487ea0 c07e184c c0c35784 82.104200] E[x c e p8t2i.o7n9 4s92] 7ea0: 00000000 c611ab40 b6e72000 c2815800 c6487f60 c07e17e8 c6487f5c c6487ec8 tack(0xc5ceffa8 [t o 08x2c.58c04778] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c6486000 fff0) # [ 82[. 1 0 98228.48]1 035] 7ee0: b6e72000 00020000 00000004 0000000b 0001fff5 c6487ee0 00000001 b6e71000 ffa0: [ 8 2 . 8 2 207] 7f00: c63cbe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000a 0000000a[ 0 0 08020.0805379] 7f20: 00000000 00000000 c1371e38 a002cf85 c205c880 c611ab40 c611ab40 c6486000 1 b6dd8000 000[0 0 0 08a2 .080405634] 7f40: b6e72000 00000000 00000000 00000004 c6487f94 c6487f60 c0599c20 c059958c 0000 # [ 82.117[4 9 3 ]8 2f.f855808] 7f60: 00000000 00000000 c6487fac a002cf85 0000000b 0000000b b6fb9e00 00000004 0: 0000000a 00000[0 0 a 8b26.f816152] 7f80: c03002e4 c6486000 c6487fa4 c6487f98 c0599cb0 c0599bb8 00000000 c6487fa8 fe00 00000004 [0 0 0 08020.0817 6409] 7fa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e72000 0000000b 00000000 0000000 00020[0 0 0 8b2e.f828a6a82] 7fc0: 0000000b 0000000b b6fb9e00 00000004 00000001 00000000 00020000 befa6a64 64 # [ 82.1[2 5 6 9882]. 8f9f6666] 7fe0: 00000004 befa6798 b6f244cf b6eaa7e6 800e0030 00000001 00000000 00000000 0: 00000004 be[f 2 a 78928. 9b066831] Backtrace: 8a4cf b6e107e6 # [ 82.13078[4 82.911289] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) Code: 00000000[ c 2 a8f2a.99020232] r7:c6487f60 r6:0000000b r5:c5a35000 r4:c6486000 c2afa9c0 c2afaa80 (e1a0c[0 0 d )2.929892] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ [8 2 . 18326.990490]4 8-] r4:00000020 --[ end trace 64ef[1 8 a f8c2a.5944763] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) f189 ]--- # EXEC_DATA: mi[s s i 82.954940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) g 'call trace:[' : [8F2A.I9L6]5364] r9:c6487f60 r8:c3025d80 r7:0000000b r6:b6e72000 r5:c611ab40 r4:c0c35778 not ok 30 selftests: lkd[t m : 2.975109] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) EXEC_DATA.sh # e[x i t =812 . 9#85362] r9:c07e17e8 r8:c6487f60 r7:c2815800 r6:b6e72000 r5:c611ab40 r4:00000000 selftests: lkdtm[: E X8E2C._9S95185] [] (vfs_write) from [] (ksys_write+0x74/0xec) ACK.sh [ 83.004402] r10:00000004 r9:00000000 r8:00000000 r7:b6e72000 r6:c6486000 r5:c611ab40 [ 83.012919] r4:c611ab40 [ 83.015465] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.022609] r9:c6486000 r8:c03002e4 r7:00000004 r6:b6fb9e00 r5:0000000b r4:0000000b [ 83.030363] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.037936] Exception stack(0xc6487fa8 to 0xc6487ff0) [ 83.042996] 7fa0: 0000000b 0000000b 00000001 b6e72000 0000000b 00000000 [ 83.051181] 7fc0: 0000000b 0000000b b6fb9e00 00000004 00000001 00000000 00020000 befa6a64 [ 83.059363] 7fe0: 00000004 befa6798 b6f244cf b6eaa7e6 [ 83.064424] Code: c6487e08 c135c7e8 c135c5a8 c6487e6c (e1a0c00d) [ 83.070527] ---[ end trace 64ef18afca51f18a ]--- # Segmentation fault # [ 82.546781] lkdtm: Performing direct entry EXEC_STACK # [ 82.552737] lkdtm: attempting ok execution at c0c36108 # [ 82.560847] lkdtm: attempting bad execution at c6487e0c # [ 82.568826] 8<--- cut here --- # [ 82.574706] Unable to handle kernel paging request at virtual address c6487e0c # [ 82.583752] pgd = cdc8f2b9 # [ 82.588194] [c6487e0c] *pgd=1641141e(bad) # [ 82.594725] Internal error: Oops: 8000000d [#4] SMP ARM # [ 82.602029] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.633732] CPU: 1 PID: 1784 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 82.643552] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.651820] PC is at 0xc6487e0c # [ 82.657050] LR is at execute_location+0xa4/0xb4 # [ 82.664170] pc : [] lr : [] psr: 600e0013 # [ 82.672258] sp : c6487de8 ip : 00000027 fp : c6487e04 # [ 82.679217] r10: 0000000b r9 : c1acc8e8 r8 : c15e88e4 # [ 82.686177] r7 : c6487f60 r6 : 00000001 r5 : c6487e0c r4 : c0c36108 # [ 82.694523] r3 : a002cf85 r2 : a002cf85 r1 : ef7965e4 r0 : 0000002b # [ 82.702701] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.711742] Control: 10c5387d Table: 1583404a DAC: 00000051 # [ 82.719396] Process cat (pid: 1784, stack limit = 0x1e72292a) # [ 82.727134] Stack: (0xc6487de8 to 0xc6488000) # [ 82.733232] 7de0: c6486000 c5a35000 0000000b c6487f60 c6487e64 c6487e08 # [ 82.743576] 7e00: c135c7e8 c135c5a8 c6487e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 82.753834] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 82.764091] 7e40: e3a02040 e3a01d33 e5930018 a002cf85 0000000b 00000020 c6487e74 c6487e68 # [ 82.774349] 7e60: c0c35398 c135c7bc c6487e9c c6487e78 c0c35898 c0c35378 c0c35778 c611ab40 # [ 82.784520] 7e80: b6e72000 0000000b c3025d80 c6487f60 c6487ec4 c6487ea0 c07e184c c0c35784 # [ 82.794692] 7ea0: 00000000 c611ab40 b6e72000 c2815800 c6487f60 c07e17e8 c6487f5c c6487ec8 # [ 82.804778] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c6486000 # [ 82.815035] 7ee0: b6e72000 00020000 00000004 0000000b 0001fff5 c6487ee0 00000001 b6e71000 # [ 82.825207] 7f00: c63cbe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.835379] 7f20: 00000000 00000000 c1371e38 a002cf85 c205c880 c611ab40 c611ab40 c6486000 # [ 82.845634] 7f40: b6e72000 00000000 00000000 00000004 c6487f94 c6487f60 c0599c20 c059958c # [ 82.855808] 7f60: 00000000 00000000 c6487fac a002cf85 0000000b 0000000b b6fb9e00 00000004 # [ 82.866152] 7f80: c03002e4 c6486000 c6487fa4 c6487f98 c0599cb0 c0599bb8 00000000 c6487fa8 # [ 82.876409] 7fa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e72000 0000000b 00000000 # [ 82.886582] 7fc0: 0000000b 0000000b b6fb9e00 00000004 00000001 00000000 00020000 befa6a64 # [ 82.896666] 7fe0: 00000004 befa6798 b6f244cf b6eaa7e6 800e0030 00000001 00000000 00000000 # [ 82.906831] Backtrace: # [ 82.911289] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 82.922232] r7:c6487f60 r6:0000000b r5:c5a35000 r4:c6486000 # [ 82.929892] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.940489] r4:00000020 # [ 82.944763] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.954940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.965364] r9:c6487f60 r8:c3025d80 r7:0000000b r6:b6e72000 r5:c611ab40 r4:c0c35778 # [ 82.975109] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 82.985362] r9:c07e17e8 r8:c6487f60 r7:c2815800 r6:b6e72000 r5:c611ab40 r4:00000000 # [ 82.995185] [] (vfs_write) from [] (k[ 83.517328] lkdtm: Performing direct entry EXEC_KMALLOC sys_write+0x74/0xec) # [ 83.00[ 83.523592] lkdtm: attempting ok execution at c0c36108 4402] r10:00000004 r9:00000000 r[ 83.531634] lkdtm: attempting bad execution at c42804c0 8:00000000 r7:b6e72000 r6:c648600[ 83.539629] 8<--- cut here --- 0 r5:c611ab[4 0 8#3 .[5 4 5 585] Unable to handle kernel paging request at virtual address c42804c0 3.012919] r[4 : c 68131.a5b544500] pgd = 97f39264 # [ 83.015465] [] (sys_write+0x18/0x1c) #[ 83.572846] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 83.022609] r[9 : c 68438.6604551] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.172-cip27 #1 00 r8:c03[0 0 2 e843. 6r174:40507] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00004 r6:b6fb9e0[0 r 58:30.06022724] PC is at 0xc42804c0 000b r4:0000000b # [ 83.[0 3 083.627953] LR is at execute_location+0xa4/0xb4 363] [3]. 6(3s4y9s9] pc : [] lr : [] psr: 600e0013 _write) f[r o m 8 3[.<6c403300705] sp : c5a93e30 ip : 00000027 fp : c5a93e4c c0>] (re[t _ f a8s3t._6s5y0s0c3a5] r10: 0000000d r9 : c1acc8f4 r8 : c15e88e4 l+0x0/0x28[) #8 3[. 6 5 689395] r7 : c5a93f60 r6 : 00000001 r5 : c42804c0 r4 : c0c36108 037936] E[x c e 8p3t.i6o6n5 3s4t3] r3 : b82f9875 r2 : b82f9875 r1 : ef7965e4 r0 : 0000002b ck(0xc6487fa[8 t o8 30.x6c7634606] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 7ff0) # [ [ 8 3 .8034.2698926650] Control: 10c5387d Table: 1626c04a DAC: 00000051 7fa0: [ 8 3 . 6 9 0 3 3] Process cat (pid: 1863, stack limit = 0x384a5372) 0000000b[ 0 0 08030.06097b8 71] Stack: (0xc5a93e30 to 0xc5a94000) 0000001 b6e72000[ 0 0 08030.07004053] 3e20: c42804c0 c5a35000 0000000d c5a93f60 00000000 # [ [ 8 38.30.57111312] 3e40: c5a93e64 c5a93e50 c0c36158 c135c5a8 00000021 c5a35000 c5a93e74 c5a93e68 81] 7fc0: 00000[0 0 b 8030.07020484] 3e60: c0c35398 c0c3612c c5a93e9c c5a93e78 c0c35898 c0c35378 c0c35778 c5aa0c80 00b b6fb9e00 000[0 0 0 0843 .07034655] 3e80: b6e6b000 0000000d c3025d80 c5a93f60 c5a93ec4 c5a93ea0 c07e184c c0c35784 00001 00000000 0[0 0 2 08030.07 44914] 3ea0: 00000000 c5aa0c80 b6e6b000 c2815800 c5a93f60 c07e17e8 c5a93f5c c5a93ec8 efa6a64 # [ 83.[0 5 9 38633.]755173] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5a92000 7fe0: 00000004 be[f a 6 78938. 7b5517] 3ee0: b6e6b000 00020000 00000004 0000000d 0001fff3 c5a93ee0 00000001 b6e6a000 6f244cf b6eaa7e[6 #8 3[. 7 7 774] 3f00: c614e000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 83.064424] Code[: c 68438.77e80945] 3f20: 00000000 00000000 c1371e38 b82f9875 c205c880 c5aa0c80 c5aa0c80 c5a92000 8 c135c7e8 c135c5[a 8 c8634.8776118] 3f40: b6e6b000 00000000 00000000 00000004 c5a93f94 c5a93f60 c0599c20 c059958c e6c (e1a0c00d) [ # [8 3 . 8806376] 3f60: 00000000 00000000 c5a93fac b82f9875 0000000d 0000000d b6fb2e00 00000004 .070527] ---[ end[ t r a8c3e. 866634] 3f80: c03002e4 c5a92000 c5a93fa4 c5a93f98 c0599cb0 c0599bb8 00000000 c5a93fa8 4ef18afca51f18a[ ] - -8-3 . 8#2 891] 3fa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e6b000 0000000d 00000000 EXEC_STACK: miss[i n g 8'3c.a8l37063] 3fc0: 0000000d 0000000d b6fb2e00 00000004 00000001 00000000 00020000 bea64a64 trace:': [FAI[L ] 8n3o.t8 4o7321] 3fe0: 00000004 bea64798 b6f1d4cf b6ea37e6 800e0030 00000001 00000000 00000000 31 selftests: l[k d t m8:3 .E8X57488] Backtrace: C_STACK.sh # exit=1 # selftests: 83.862032] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) lkdtm: EXEC_KMAL[L O C .8s3h. 8 3235] r7:c5a93f60 r6:0000000d r5:c5a35000 r4:c42804c0 [ 83.880975] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.889332] r5:c5a35000 r4:00000021 [ 83.892918] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.900937] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.908861] r9:c5a93f60 r8:c3025d80 r7:0000000d r6:b6e6b000 r5:c5aa0c80 r4:c0c35778 [ 83.916618] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 83.924459] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e6b000 r5:c5aa0c80 r4:00000000 [ 83.932210] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.939354] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c5a92000 r5:c5aa0c80 [ 83.947187] r4:c5aa0c80 [ 83.949730] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.956873] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:0000000d r4:0000000d [ 83.964628] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.972201] Exception stack(0xc5a93fa8 to 0xc5a93ff0) [ 83.977261] 3fa0: 0000000d 0000000d 00000001 b6e6b000 0000000d 00000000 [ 83.985447] 3fc0: 0000000d 0000000d b6fb2e00 00000004 00000001 00000000 00020000 bea64a64 [ 83.993631] 3fe0: 00000004 bea64798 b6f1d4cf b6ea37e6 [ 83.998691] Code: e7fddef0 e7fddef0 e7fddef0 e7fddef0 (e1a0c00d) [ 84.004795] ---[ end trace 64ef18afca51f18b ]--- # Segmentation fault # [ 83.517328] lkdtm: Performing direct entry EXEC_KMALLOC # [ 83.523592] lkdtm: attempting ok execution at c0c36108 # [ 83.531634] lkdtm: attempting bad execution at c42804c0 # [ 83.539629] 8<--- cut here --- # [ 83.545525] Unable to handle kernel paging request at virtual address c42804c0 # [ 83.554570] pgd = 97f39264 # [ 83.559097] [c42804c0] *pgd=1421141e(bad) # [ 83.565628] Internal error: Oops: 8000000d [#5] SMP ARM # [ 83.572846] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.604551] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 83.614457] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.622724] PC is at 0xc42804c0 # [ 83.627953] LR is at execute_location+0xa4/0xb4 # [ 83.634989] pc : [] lr : [] psr: 600e0013 # [ 83.643075] sp : c5a93e30 ip : 00000027 fp : c5a93e4c # [ 83.650035] r10: 0000000d r9 : c1acc8f4 r8 : c15e88e4 # [ 83.656995] r7 : c5a93f60 r6 : 00000001 r5 : c42804c0 r4 : c0c36108 # [ 83.665343] r3 : b82f9875 r2 : b82f9875 r1 : ef7965e4 r0 : 0000002b # [ 83.673606] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.682650] Control: 10c5387d Table: 1626c04a DAC: 00000051 # [ 83.690303] Process cat (pid: 1863, stack limit = 0x384a5372) # [ 83.697871] Stack: (0xc5a93e30 to 0xc5a94000) # [ 83.704053] 3e20: c42804c0 c5a35000 0000000d c5a93f60 # [ 83.714312] 3e40: c5a93e64 c5a93e50 c0c36158 c135c5a8 00000021 c5a35000 c5a93e74 c5a93e68 # [ 83.724484] 3e60: c0c35398 c0c3612c c5a93e9c c5a93e78 c0c35898 c0c35378 c0c35778 c5aa0c80 # [ 83.734655] 3e80: b6e6b000 0000000d c3025d80 c5a93f60 c5a93ec4 c5a93ea0 c07e184c c0c35784 # [ 83.744914] 3ea0: 00000000 c5aa0c80 b6e6b000 c2815800 c5a93f60 c07e17e8 c5a93f5c c5a93ec8 # [ 83.755173] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5a92000 # [ 83.765517] 3ee0: b6e6b000 00020000 00000004 0000000d 0001fff3 c5a93ee0 00000001 b6e6a000 # [ 83.775774] 3f00: c614e000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.785945] 3f20: 00000000 00000000 c1371e38 b82f9875 c205c880 c5aa0c80 c5aa0c80 c5a92000 # [ 83.796118] 3f40: b6e6b000 00000000 00000000 00000004 c5a93f94 c5a93f60 c0599c20 c059958c # [ 83.806376] 3f60: 00000000 00000000 c5a93fac b82f9875 0000000d 0000000d b6fb2e00 00000004 # [ 83.816634] 3f80: c03002e4 c5a92000 c5a93fa4 c5a93f98 c0599cb0 c0599bb8 00000000 c5a93fa8 # [ 83.826891] 3fa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e6b000 0000000d 00000000 # [ 83.837063] 3fc0: 0000000d 0000000d b6fb2e00 00000004 00000001 00000000 00020000 bea64a64 # [ 83.847321] 3fe0: 00000004 bea64798 b6f1d4cf b6ea37e6 800e0030 00000001 00000000 00000000 # [ 83.857488] Backtrace: # [ 83.862032] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 83.873235] r7:c5a93f60 r6:0000000d r5:c5a35000 r4:c42804c0 # [ 83.880975] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.889332] r5:c5a35000 r4:00000021 # [ 83.892918] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.900937] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.908861] r9:c5a93f60 r8:c3025d80 r7:0000000d r6:b6e6b000 r5:c5aa0c80 r4:c0c35778 # [ 83.916618] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 84.420444] lkdtm: Performing direct entry EXEC_VMALLOC [ 83.924459] r9:c07e17e8 r8:c5[ 84.426862] lkdtm: attempting ok execution at c0c36108 a93f60 r7:c2815800 r6:b6e6b000 r5[ 84.434604] lkdtm: attempting bad execution at f0977000 :c5aa0c80 r4:00000000 # [ 83.9[ 84.442807] 8<--- cut here --- 32210] [] (vfs_write) f[ 84.448572] Unable to handle kernel paging request at virtual address f0977000 rom [] (ksys_write+0x74[ 84.458674] pgd = 83ae9475 /0xec) # [ 83.939354] r10:000[ 84.464274] [f0977000] *pgd=12949811, *pte=4945465f, *ppte=4945445f 00004 r9:00000000 r8:00000000 r7:[ 84.473397] Internal error: Oops: 8000000f [#6] SMP ARM b6e6b000 r6:c5a92000 r5:c5aa0c80 [ 84.481437] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.947187] [r 4 : c854a.a13138] CPU: 1 PID: 1940 Comm: cat Tainted: G D W 5.10.172-cip27 #1 0c80 # [ [ 8 38.49.45927330044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [] (ks[y s _ w8r4i.t5e1398] PC is at 0xf0977000 ) from [] (sys_writ[e + 84.536628] LR is at execute_location+0xa4/0xb4 0x18/0x1c)[ # 8[4 . 5 48337.50] pc : [] lr : [] psr: 600e0013 56873][ r 98:4c.55a5912803080] sp : c5c0de30 ip : c5c0dd38 fp : c5c0de4c r8:c03002e[4 r 78:40.05050807012] r10: 0000000d r9 : c1acc904 r8 : c15e88e4 4 r6:b6fb2[e 0 0 8r45.:5060507059] r7 : c5c0df60 r6 : 00000001 r5 : f0977000 r4 : c0c36108 00d r4:00[0 0 0 0804d. 5 7#4 10[7] r3 : 273251db r2 : 273251db r1 : ef7965e0 r0 : 0000002b 83.964628] [[ < c 08549.95c892872] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none >] (sys_wri[t e ) 8f4r.o5m9 1[4<4] Control: 10c5387d Table: 1654404a DAC: 00000051 c03000c0>] (ret[_ f a8s4t._5s9y8984] Process cat (pid: 1940, stack limit = 0x7fe283ab) call+0x0[/ 0 x 2884). 6 0#6 7[2 0] Stack: (0xc5c0de30 to 0xc5c0e000) 83.972201] Ex[c e p t8i4o.n6 1s2816] de20: f0977000 c5b19000 0000000d c5c0df60 ack(0xc5a93fa8 [t o 08x4c.56a29989] de40: c5c0de64 c5c0de50 c0c3618c c135c5a8 00000022 c5b19000 c5c0de74 c5c0de68 3ff0) # [ 83.9[7 7 2 8641.]6 33162] de60: c0c35398 c0c36170 c5c0de9c c5c0de78 c0c35898 c0c35378 c0c35778 c5812c80 fa0: [ 8 4 . 6 4 3 18] de80: b6e2a000 0000000d c3025d80 c5c0df60 c5c0dec4 c5c0dea0 c07e184c c0c35784 0000000d 00000[0 0 d 8040.060503503] dea0: 00000000 c5812c80 b6e2a000 c2815800 c5c0df60 c07e17e8 c5c0df5c c5c0dec8 01 b6e6b000 00[0 0 0 0804d. 60603676] dec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5c0c000 00000 # [ 83[. 9 8 5844.4677]3848] dee0: b6e2a000 00020000 00000004 0000000d 0001fff3 c5c0dee0 00000001 b6e29000 3fc0: 0000000d [0 0 0 08040.06d8 018] df00: c5a90640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 b6fb2e00 00000[0 0 4 8040.060904191] df20: 00000000 00000000 c1371e38 273251db c205c880 c5812c80 c5812c80 c5c0c000 01 00000000 000[2 0 0 0804 .b7e0a362] df40: b6e2a000 00000000 00000000 00000004 c5c0df94 c5c0df60 c0599c20 c059958c 64a64 # [ 83.9[9 3 6 3814]. 734536] df60: 00000000 00000000 c5c0dfac 273251db 0000000d 0000000d b6f71e00 00000004 fe0: 00000004 b[e a 6 48749.87 2b793] df80: c03002e4 c5c0c000 c5c0dfa4 c5c0df98 c0599cb0 c0599bb8 00000000 c5c0dfa8 6f1d4cf b6ea37e6[ # 8[4 . 7 34965] dfa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e2a000 0000000d 00000000 3.998691] Code:[ e 7 f8d4d.e7f40222] dfc0: 0000000d 0000000d b6f71e00 00000004 00000001 00000000 00020000 beeefa64 e7fddef0 e7fd[d e f 08 4e.77f5d5392] dfe0: 00000004 beeef798 b6edc4cf b6e627e6 800e0030 00000001 00000000 00000000 ef0 (e1a0c00d) [ # 8[4 . 7 68559] Backtrace: 4.004795] ---[ end trace 64ef[1 8 84.770016] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) afca51f18b ]--- [# E X8E4C._7K1048] r7:c5c0df60 r6:0000000d r5:c5b19000 r4:f0977000 MALLOC: missing 'call [t r a c8e4.788792] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) ': [FAIL][ n o8t4 .o7k9 93427 ] r5:c5b19000 r4:00000022 selftests: lkdtm: [E X E C8_4K.M804794] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) LLOC.sh # exit=1 # selftes[t s :84.814970] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) lkdtm: EXEC_VMA[L L O C8.4s.h8 25396] r9:c5c0df60 r8:c3025d80 r7:0000000d r6:b6e2a000 r5:c5812c80 r4:c0c35778 [ 84.835225] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 84.843063] r9:c07e17e8 r8:c5c0df60 r7:c2815800 r6:b6e2a000 r5:c5812c80 r4:00000000 [ 84.850815] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.857959] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c5c0c000 r5:c5812c80 [ 84.865793] r4:c5812c80 [ 84.868338] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.875482] r9:c5c0c000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:0000000d r4:0000000d [ 84.883237] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.890811] Exception stack(0xc5c0dfa8 to 0xc5c0dff0) [ 84.895871] dfa0: 0000000d 0000000d 00000001 b6e2a000 0000000d 00000000 [ 84.904057] dfc0: 0000000d 0000000d b6f71e00 00000004 00000001 00000000 00020000 beeefa64 [ 84.912240] dfe0: 00000004 beeef798 b6edc4cf b6e627e6 [ 84.917307] Code: bad PC value [ 84.920441] ---[ end trace 64ef18afca51f18c ]--- # Segmentation fault # [ 84.420444] lkdtm: Performing direct entry EXEC_VMALLOC # [ 84.426862] lkdtm: attempting ok execution at c0c36108 # [ 84.434604] lkdtm: attempting bad execution at f0977000 # [ 84.442807] 8<--- cut here --- # [ 84.448572] Unable to handle kernel paging request at virtual address f0977000 # [ 84.458674] pgd = 83ae9475 # [ 84.464274] [f0977000] *pgd=12949811, *pte=4945465f, *ppte=4945445f # [ 84.473397] Internal error: Oops: 8000000f [#6] SMP ARM # [ 84.481437] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.513138] CPU: 1 PID: 1940 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 84.523044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.531398] PC is at 0xf0977000 # [ 84.536628] LR is at execute_location+0xa4/0xb4 # [ 84.543750] pc : [] lr : [] psr: 600e0013 # [ 84.551838] sp : c5c0de30 ip : c5c0dd38 fp : c5c0de4c # [ 84.558712] r10: 0000000d r9 : c1acc904 r8 : c15e88e4 # [ 84.565759] r7 : c5c0df60 r6 : 00000001 r5 : f0977000 r4 : c0c36108 # [ 84.574107] r3 : 273251db r2 : 273251db r1 : ef7965e0 r0 : 0000002b # [ 84.582372] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.591414] Control: 10c5387d Table: 1654404a DAC: 00000051 # [ 84.598984] Process cat (pid: 1940, stack limit = 0x7fe283ab) # [ 84.606720] Stack: (0xc5c0de30 to 0xc5c0e000) # [ 84.612816] de20: f0977000 c5b19000 0000000d c5c0df60 # [ 84.622989] de40: c5c0de64 c5c0de50 c0c3618c c135c5a8 00000022 c5b19000 c5c0de74 c5c0de68 # [ 84.633162] de60: c0c35398 c0c36170 c5c0de9c c5c0de78 c0c35898 c0c35378 c0c35778 c5812c80 # [ 84.643418] de80: b6e2a000 0000000d c3025d80 c5c0df60 c5c0dec4 c5c0dea0 c07e184c c0c35784 # [ 84.653503] dea0: 00000000 c5812c80 b6e2a000 c2815800 c5c0df60 c07e17e8 c5c0df5c c5c0dec8 # [ 84.663676] dec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5c0c000 # [ 84.673848] dee0: b6e2a000 00020000 00000004 0000000d 0001fff3 c5c0dee0 00000001 b6e29000 # [ 84.684018] df00: c5a90640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.694191] df20: 00000000 00000000 c1371e38 273251db c205c880 c5812c80 c5812c80 c5c0c000 # [ 84.704362] df40: b6e2a000 00000000 00000000 00000004 c5c0df94 c5c0df60 c0599c20 c059958c # [ 84.714536] df60: 00000000 00000000 c5c0dfac 273251db 0000000d 0000000d b6f71e00 00000004 # [ 84.724793] df80: c03002e4 c5c0c000 c5c0dfa4 c5c0df98 c0599cb0 c0599bb8 00000000 c5c0dfa8 # [ 84.734965] dfa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e2a000 0000000d 00000000 # [ 84.745222] dfc0: 0000000d 0000000d b6f71e00 00000004 00000001 00000000 00020000 beeefa64 # [ 84.755392] dfe0: 00000004 beeef798 b6edc4cf b6e627e6 800e0030 00000001 00000000 00000000 # [ 84.765559] Backtrace: # [ 84.770016] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 84.781048] r7:c5c0df60 r6:0000000d r5:c5b19000 r4:f0977000 # [ 84.788792] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.799476] r5:c5b19000 r4:00000022 # [ 84.804794] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.814970] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.825396] r9:c5c0df60 r8:c3025d80 r7:0000000d r6:b6e2a000 r5:c5812c80 r4:c0c35778 # [ 84.835225] [] (full_proxy_[ 85.359414] lkdtm: Performing direct entry EXEC_RODATA write) from [] (vfs_wri[ 85.366267] lkdtm: attempting ok execution at c0c36108 te+0x10c/0x524) # [ 84.843063][ 85.374304] lkdtm: attempting bad execution at c15e8b80 r9:c07e17e8 r8:c5c0df60 r7:c281[ 85.382352] 8<--- cut here --- 5800 r6:b6e2a000 r[5 : c 58851.2388229] Unable to handle kernel paging request at virtual address c15e8b80 80 r4:00000000[ # 8[5 . 3 987621] pgd = 676579c8 .850815] [] (vfs_w[r i 85.402325] [c15e8b80] *pgd=1141941e(bad) e) from [] ([k s y s8_5.408947] Internal error: Oops: 8000000d [#7] SMP ARM rite+0x74/0xec) # [ 84.857959][ 85.416512] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 r10:00000004 r9:00[0 0 0 08050.448217] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.172-cip27 #1 r8:0000000[0 r 78:5b.64e528a2009] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0 r6:c5c0c000 r5:c5812c80 # [[ 85.466573] PC is at lkdtm_rodata_do_nothing+0x0/0x10 84.865793] r4:c5812c80 # [[ 85.474316] LR is at execute_location+0xa4/0xb4 84.868338] [[< c 0 58959.b4a8c1>38] pc : [] lr : [] psr: 600e0013 ] (ksys_wri[ t e )8 5f.r4o8m9 6[12] sp : c5b2be38 ip : c5b2bd40 fp : c5b2be54 c0599cb0>] [( s y s8_5w.r4i9t6e659] r10: 0000000c r9 : c1acc914 r8 : c15e88e4 0x18/0x1c) [# [ 8 5 .8540.38707] r7 : c5b2bf60 r6 : 00000000 r5 : c15e8b80 r4 : c0c36108 5482] r9:[c 5 c 08c50.0501 2r1844] r3 : b1217c5f r2 : b1217c5f r1 : ef7965e0 r0 : 0000002b c03002e4 r7:000[0 0 0 8054. 5r260496] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none b6f71e00 r5:000[0 0 0 08d5 .r542:628] Control: 10c5387d Table: 1665c04a DAC: 00000051 0000000d # [[ 8845..858337267] Process cat (pid: 2017, stack limit = 0x64cdfac3) 37] [5]. 5(4s5y0s22] Stack: (0xc5b2be38 to 0xc5b2c000) write) from [5]51206] be20: 00000023 c5a35000 (ret_fast_syscall+0[x 0 / 08x52.861467] be40: 0000000c c5b2bf60 c5b2be64 c5b2be58 c135c828 c135c5a8 c5b2be74 c5b2be68 ) # [ 84.890811[] E x8c5e.p571813] be60: c0c35398 c135c810 c5b2be9c c5b2be78 c0c35898 c0c35378 c0c35778 c5812a00 ion stack(0xc5c0dfa[8 t o8 50.x82159] be80: b6dce000 0000000c c3025d80 c5b2bf60 c5b2bec4 c5b2bea0 c07e184c c0c35784 c5c0dff0) # [ [ 8 4 .8859.55892505] bea0: 00000000 c5812a00 b6dce000 c2815800 c5b2bf60 c07e17e8 c5b2bf5c c5b2bec8 1] dfa0: [ 8 5 . 6 02765] bec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5b2a000 0000000d 0000000[d 0 08050.0613025] bee0: b6dce000 00020000 00000004 0000000c 0001fff4 c5b2bee0 00000001 b6dcd000 01 b6e2a000 0000000[d 0 08050.023372] bf00: c63d2c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000 # [ 84.9040[5 7 ] 8d5f.c633717] bf20: 00000000 00000000 c1371e38 b1217c5f c205c880 c5812a00 c5812a00 c5b2a000 : 0000000d 0000000d [b 6 f 7815e.644064] bf40: b6dce000 00000000 00000000 00000004 c5b2bf94 c5b2bf60 c0599c20 c059958c 0 00000004 000000[0 1 08050.0604495] bf60: 00000000 00000000 c5b2bfac b1217c5f 0000000c 0000000c b6f15e00 00000004 000 00020000 beeef[a 6 4 8 5#. 664756] bf80: c03002e4 c5b2a000 c5b2bfa4 c5b2bf98 c0599cb0 c0599bb8 00000000 c5b2bfa8 84.912240] dfe[0 : 08050.0605102] bfa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6dce000 0000000c 00000000 004 beeef798 b6edc4[c f b865e.685363] bfc0: 0000000c 0000000c b6f15e00 00000004 00000001 00000000 00020000 bef21a64 27e6 # [ 84.[9 1 7 38057.]6 9C709] bfe0: 00000004 bef21798 b6e804cf b6e067e6 800e0030 00000001 00000000 00000000 ode: bad PC value #[ [ 8 58.705876] Backtrace: .920441] ---[ end trace 64ef[1 8 85.710592] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) fca51f18c ]--- # E[X E C _8V5M.A21539] r7:c5b2bf60 r6:0000000c r5:c5a35000 r4:00000023 LLOC: missing 'call trace:': [F[A 85.729376] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) IL] not ok 33 selftests[: l k85.740325] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) tm: EXEC_VMALLOC.sh # exit=1 #[ 85.750762] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) selftests: lkdtm: [E X E C8_5R.O761361] r9:c5b2bf60 r8:c3025d80 r7:0000000c r6:b6dce000 r5:c5812a00 r4:c0c35778 ATA.sh [ 85.771281] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 85.779798] r9:c07e17e8 r8:c5b2bf60 r7:c2815800 r6:b6dce000 r5:c5812a00 r4:00000000 [ 85.787554] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 85.794702] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5b2a000 r5:c5812a00 [ 85.802538] r4:c5812a00 [ 85.805088] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 85.812236] r9:c5b2a000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:0000000c r4:0000000c [ 85.819997] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 85.827573] Exception stack(0xc5b2bfa8 to 0xc5b2bff0) [ 85.832635] bfa0: 0000000c 0000000c 00000001 b6dce000 0000000c 00000000 [ 85.840823] bfc0: 0000000c 0000000c b6f15e00 00000004 00000001 00000000 00020000 bef21a64 [ 85.849009] bfe0: 00000004 bef21798 b6e804cf b6e067e6 [ 85.854074] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 85.860183] ---[ end trace 64ef18afca51f18d ]--- # Segmentation fault # [ 85.359414] lkdtm: Performing direct entry EXEC_RODATA # [ 85.366267] lkdtm: attempting ok execution at c0c36108 # [ 85.374304] lkdtm: attempting bad execution at c15e8b80 # [ 85.382352] 8<--- cut here --- # [ 85.388229] Unable to handle kernel paging request at virtual address c15e8b80 # [ 85.397621] pgd = 676579c8 # [ 85.402325] [c15e8b80] *pgd=1141941e(bad) # [ 85.408947] Internal error: Oops: 8000000d [#7] SMP ARM # [ 85.416512] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.448217] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 85.458209] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.466573] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 85.474316] LR is at execute_location+0xa4/0xb4 # [ 85.481438] pc : [] lr : [] psr: 600e0013 # [ 85.489612] sp : c5b2be38 ip : c5b2bd40 fp : c5b2be54 # [ 85.496659] r10: 0000000c r9 : c1acc914 r8 : c15e88e4 # [ 85.503707] r7 : c5b2bf60 r6 : 00000000 r5 : c15e8b80 r4 : c0c36108 # [ 85.512144] r3 : b1217c5f r2 : b1217c5f r1 : ef7965e0 r0 : 0000002b # [ 85.520496] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.529628] Control: 10c5387d Table: 1665c04a DAC: 00000051 # [ 85.537367] Process cat (pid: 2017, stack limit = 0x64cdfac3) # [ 85.545022] Stack: (0xc5b2be38 to 0xc5b2c000) # [ 85.551206] be20: 00000023 c5a35000 # [ 85.561467] be40: 0000000c c5b2bf60 c5b2be64 c5b2be58 c135c828 c135c5a8 c5b2be74 c5b2be68 # [ 85.571813] be60: c0c35398 c135c810 c5b2be9c c5b2be78 c0c35898 c0c35378 c0c35778 c5812a00 # [ 85.582159] be80: b6dce000 0000000c c3025d80 c5b2bf60 c5b2bec4 c5b2bea0 c07e184c c0c35784 # [ 85.592505] bea0: 00000000 c5812a00 b6dce000 c2815800 c5b2bf60 c07e17e8 c5b2bf5c c5b2bec8 # [ 85.602765] bec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5b2a000 # [ 85.613025] bee0: b6dce000 00020000 00000004 0000000c 0001fff4 c5b2bee0 00000001 b6dcd000 # [ 85.623372] bf00: c63d2c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.633717] bf20: 00000000 00000000 c1371e38 b1217c5f c205c880 c5812a00 c5812a00 c5b2a000 # [ 85.644064] bf40: b6dce000 00000000 00000000 00000004 c5b2bf94 c5b2bf60 c0599c20 c059958c # [ 85.654495] bf60: 00000000 00000000 c5b2bfac b1217c5f 0000000c 0000000c b6f15e00 00000004 # [ 85.664756] bf80: c03002e4 c5b2a000 c5b2bfa4 c5b2bf98 c0599cb0 c0599bb8 00000000 c5b2bfa8 # [ 85.675102] bfa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6dce000 0000000c 00000000 # [ 85.685363] bfc0: 0000000c 0000000c b6f15e00 00000004 00000001 00000000 00020000 bef21a64 # [ 85.695709] bfe0: 00000004 bef21798 b6e804cf b6e067e6 800e0030 00000001 00000000 00000000 # [ 85.705876] Backtrace: # [ 85.710592] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 85.721539] r7:c5b2bf60 r6:0000000c r5:c5a35000 r4:00000023 # [ 85.729376] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.740325] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.750762] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.761361] r9:c5b2bf60 r8:c3025d80 r7:0000000c r6:b6dce000 r5:c5812a00 r4:c0c35778 # [ 85.771281] [] (full_proxy_write) from [<[ 86.278397] lkdtm: attempting ok execution at c0c36108 c059968c>] (vfs_write+0x10c/0x524[ 86.286883] lkdtm: attempting bad execution at b6f94000 ) # [ 85.779798] r9:c07e17e8 [ 86.294597] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f94000 r8:c5b2bf60 r7:c2815800 r6:b6dce[ 86.304503] Internal error: : b [#8] SMP ARM 00 r5:c5812a00 r4:00000000 # [ [ 86.311550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 85.787554] [] (vfs_wri[ 86.343268] CPU: 3 PID: 2093 Comm: cat Tainted: G D W 5.10.172-cip27 #1 te) from [ ] (8k6s.y53871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) s_write+0x74/0xec) # [ 85.[7 9 86.362582] PC is at 0xb6f94000 4702] r10:00000004 r9:00000000 r[ 86.368340] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 8:00000000 r7:b6dce000[ r 6 :8c6.376078] pc : [] lr : [] psr: 600e0013 b2a000 r5:c5812[a 0 0 8 6#. 3[8 690] sp : c5acfe48 ip : c5acfd50 fp : c5acfe64 85.802538] r4[: c 5 88162.a3091918] r10: 0000000f r9 : c1acc920 r8 : c15e88e4 # [ 85.805088] [<[ c 0 58969.399235] r7 : c5acff60 r6 : 0000000f r5 : c5a26000 r4 : b6f94000 ac>] (ksys_write)[ f r o8m6 .[4<8022] r3 : 71c66823 r2 : 71c66823 r1 : ef7c05e0 r0 : 0000002b c0599cb0>] (sys_write+0x[1 8 / 086.416643] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 1c) # [ 85.81223[6 ] 8r69.:26211] Control: 10c5387d Table: 1631804a DAC: 00000051 c5b2a000 r8:c03002e4 r[7 : 0 0806.434135] Process cat (pid: 2093, stack limit = 0xd97de5c2) 0004 r6:b6f15e00 [r 5 : 08060.0402228] Stack: (0xc5acfe48 to 0xc5ad0000) 00c r4:0000000c # [ 85.819997][ 86.448686] fe40: 00000001 00000000 0000000f 00000024 c5acfe74 c5acfe68 [[] ( s8y6s._4w59r7i1] fe60: c0c35398 c0c361a4 c5acfe9c c5acfe78 c0c35898 c0c35378 c0c35778 c5ba1b80 te) from [] (ret_fast_s[ 86.469752] fe80: b6e4e000 0000000f c3025d80 c5acff60 c5acfec4 c5acfea0 c07e184c c0c35784 yscall+0x0/0x28) # [ 85.8275[7 86.480792] fea0: 00000000 c5ba1b80 b6e4e000 c2815800 c5acff60 c07e17e8 c5acff5c c5acfec8 3] Exception stack(0xc5b2bfa8 [t 86.491667] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5ace000 0xc5b2bff0) # [ 85.832635] [b 86.502541] fee0: b6e4e000 00020000 00000004 0000000f 0001fff1 c5acfee0 00000001 b6e4d000 fa0: 00000[0 0 86.513410] ff00: c5d5f180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000c 00000001 b6dce000 00[0 86.524199] ff20: 00000000 00000000 c1371e38 71c66823 c205c880 c5ba1b80 c5ba1b80 c5ace000 000c 00000000 # [ 85.840823][ 86.535073] ff40: b6e4e000 00000000 00000000 00000004 c5acff94 c5acff60 c0599c20 c059958c bfc0: 0000000c 0000000c b6f15[e 0 86.545945] ff60: 00000000 00000000 c5acffac 71c66823 0000000f 0000000f b6f95e00 00000004 0 00000004 00000001 00000000 00[0 86.556732] ff80: c03002e4 c5ace000 c5acffa4 c5acff98 c0599cb0 c0599bb8 00000000 c5acffa8 20000 bef21a64 # [ 85.84900[9 86.567604] ffa0: c03000c0 c0599ca4 0000000f 0000000f 00000001 b6e4e000 0000000f 00000000 bfe0: 00000004 bef21798 b6e8[0 4 86.578479] ffc0: 0000000f 0000000f b6f95e00 00000004 00000001 00000000 00020000 beb05a64 cf b6e067e6 # [ 85.854074] [C 86.589266] ffe0: 00000004 beb05798 b6f004cf b6e867e6 800e0030 00000001 00000000 00000000 de: 5f727563 6e756f63 0000[0 0 7 86.600126] Backtrace: aa55aa55 (e1a0c00d) # [ 85.8[ 86.605122] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) 60183] ---[ end trace 64[e f 1 886.616501] r4:00000024 fca51f18d ]--- # EXEC_RODATA: mi[ 86.621482] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ssing 'call trace:': [FAIL] not [ 86.632363] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ok 34 selftests: lkdtm: EXEC_RODA 86.643141] r9:c5acff60 r8:c3025d80 r7:0000000f r6:b6e4e000 r5:c5ba1b80 r4:c0c35778 TA.sh # exit=1 # selftests: lkdt[ 86.653680] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) m: EXEC_USERSPACE.sh [ 86.664366] r9:c07e17e8 r8:c5acff60 r7:c2815800 r6:b6e4e000 r5:c5ba1b80 r4:00000000 [ 86.674028] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.681194] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c5ace000 r5:c5ba1b80 [ 86.689045] r4:c5ba1b80 [ 86.691614] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.698781] r9:c5ace000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:0000000f r4:0000000f [ 86.706562] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.714152] Exception stack(0xc5acffa8 to 0xc5acfff0) [ 86.719232] ffa0: 0000000f 0000000f 00000001 b6e4e000 0000000f 00000000 [ 86.727441] ffc0: 0000000f 0000000f b6f95e00 00000004 00000001 00000000 00020000 beb05a64 [ 86.735643] ffe0: 00000004 beb05798 b6f004cf b6e867e6 [ 86.740731] Code: bad PC value [ 86.743824] ---[ end trace 64ef18afca51f18e ]--- # Segmentation fault # [ 86.272406] lkdtm: Performing direct entry EXEC_USERSPACE # [ 86.278397] lkdtm: attempting ok execution at c0c36108 # [ 86.286883] lkdtm: attempting bad execution at b6f94000 # [ 86.294597] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f94000 # [ 86.304503] Internal error: : b [#8] SMP ARM # [ 86.311550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.343268] CPU: 3 PID: 2093 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 86.353871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.362582] PC is at 0xb6f94000 # [ 86.368340] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 86.376078] pc : [] lr : [] psr: 600e0013 # [ 86.384690] sp : c5acfe48 ip : c5acfd50 fp : c5acfe64 # [ 86.391918] r10: 0000000f r9 : c1acc920 r8 : c15e88e4 # [ 86.399235] r7 : c5acff60 r6 : 0000000f r5 : c5a26000 r4 : b6f94000 # [ 86.408022] r3 : 71c66823 r2 : 71c66823 r1 : ef7c05e0 r0 : 0000002b # [ 86.416643] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.426211] Control: 10c5387d Table: 1631804a DAC: 00000051 # [ 86.434135] Process cat (pid: 2093, stack limit = 0xd97de5c2) # [ 86.442228] Stack: (0xc5acfe48 to 0xc5ad0000) # [ 86.448686] fe40: 00000001 00000000 0000000f 00000024 c5acfe74 c5acfe68 # [ 86.459731] fe60: c0c35398 c0c361a4 c5acfe9c c5acfe78 c0c35898 c0c35378 c0c35778 c5ba1b80 # [ 86.469752] fe80: b6e4e000 0000000f c3025d80 c5acff60 c5acfec4 c5acfea0 c07e184c c0c35784 # [ 86.480792] fea0: 00000000 c5ba1b80 b6e4e000 c2815800 c5acff60 c07e17e8 c5acff5c c5acfec8 # [ 86.491667] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5ace000 # [ 86.502541] fee0: b6e4e000 00020000 00000004 0000000f 0001fff1 c5acfee0 00000001 b6e4d000 # [ 86.513410] ff00: c5d5f180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 86.524199] ff20: 00000000 00000000 c1371e38 71c66823 c205c880 c5ba1b80 c5ba1b80 c5ace000 # [ 86.535073] ff40: b6e4e000 00000000 00000000 00000004 c5acff94 c5acff60 c0599c20 c059958c # [ 86.545945] ff60: 00000000 00000000 c5acffac 71c66823 0000000f 0000000f b6f95e00 00000004 # [ 86.556732] ff80: c03002e4 c5ace000 c5acffa4 c5acff98 c0599cb0 c0599bb8 00000000 c5acffa8 # [ 86.567604] ffa0: c03000c0 c0599ca4 0000000f 0000000f 00000001 b6e4e000 0000000f 00000000 # [ 86.578479] ffc0: 0000000f 0000000f b6f95e00 00000004 00000001 00000000 00020000 beb05a64 # [ 86.589266] ffe0: 00000004 beb05798 b6f004cf b6e867e6 800e0030 00000001 00000000 00000000 # [ 86.600126] Backtrace: # [ 86.605122] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.616501] r4:00000024 # [ 86.621482] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.632363] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.643141] r9:c5acff60 r8:c3025d80 r7:0000000f r6:b6e4e000 r5:c5ba1b80 r4:c0c35778 # [ 86.653680] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 86.664366] r9:c07e17e8 r8:c5acff60 r7:c2815800 r6:b6e4e000 r5:c5ba1b8[ 87.198214] lkdtm: Performing direct entry EXEC_NULL 0 r4:00000000 # [ 86.674028] [[ 87.205117] lkdtm: attempting ok execution at c0c36108 ] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.221177] 8<--- cut here --- # [ 86.681194] r[1 0 : 08070.027040] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0004 r9:00000000 r8:00000000 r7:b[ 87.237330] pgd = dd86d109 6e4e000 r6:c5ace000 r5:c5ba1b80 [ 87.242911] [00000000] *pgd=00000000 # [ 86.689045] r4:c5ba1b80 #[ 87.249318] Internal error: Oops: 80000005 [#9] SMP ARM [ 86.691614] [] (ksys[ 87.257310] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 _write) from [.]289015] CPU: 3 PID: 2164 Comm: cat Tainted: G D W 5.10.172-cip27 #1 (sys_write+[0 x 1 88/70.x2918c9)22] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.698781][ r 98:7c.53a7276] PC is at 0x0 ce000 r8:c03002e4 r7:000000[0 4 87.311899] LR is at execute_location+0xa4/0xb4 r6:b6f95e00 [r 5 : 08070.0301080935] pc : [<00000000>] lr : [] psr: 600e0013 r4:0000[0 0 0 f8 7 .3#2 7[1 0 8 sp : c5b2be38 ip : c5b2bd40 fp : c5b2be54 86.706562[] [ <8c70.539393c9988] r10: 0000000a r9 : c1acc930 r8 : c15e88e4 >] (sys_w[r i t e8)7 .f3r4o0m9 4[] r7 : c5b2bf60 r6 : 00000000 r5 : 00000000 r4 : c0c36108 [] ( r8e7t.3_4f9a2s0t] r3 : 1ea1c734 r2 : 1ea1c734 r1 : ef7c05e0 r0 : 0000002b _syscall+0x0/[0 x 2 88)7 . 3#5 7[65] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 86.71415[2 ] E8x7c.e3p6t6i5o8] Control: 10c5387d Table: 1667c04a DAC: 00000051 n stack(0xc5a[c f f8a78. 3t7o4 076] Process cat (pid: 2164, stack limit = 0x64cdfac3) xc5acfff0[) #8 7[. 3 8 18762.] Stack: (0xc5b2be38 to 0xc5b2c000) 719232] ffa0: [ 8 7 . 3 8 821] be20: 00000025 c5a26000 000000[0 f 08070.030907993] be40: 0000000a c5b2bf60 c5b2be64 c5b2be58 c135c84c c135c5a8 c5b2be74 c5b2be68 f 00000001 b6e4e0[0 0 8070.04008165] be60: c0c35398 c135c838 c5b2be9c c5b2be78 c0c35898 c0c35378 c0c35778 c5ba0dc0 00f 00000000 [ # [8 7 . 48168.21] be80: b6ded000 0000000a c3025d80 c5b2bf60 c5b2bec4 c5b2bea0 c07e184c c0c35784 727441] ffc0: 00000[0 0 f 8070.028508] bea0: 00000000 c5ba0dc0 b6ded000 c2815800 c5b2bf60 c07e17e8 c5b2bf5c c5b2bec8 0000f b6f95e00 0[0 0 0 08070.44 38852] bec0: c059968c c07e17f4 00000001 00000000 c0599c20 c44dd924 c0599c20 c5b2a000 0000001 00000000[ 0 0 08270.04049109] bee0: b6ded000 00020000 00000004 0000000a 0001fff6 c5b2bee0 00000001 00000805 beb05a64 #[ [ 8 78.64.5793366] bf00: c5812c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 643] ffe0: 0000000[4 b e8b70.5469455] bf20: 00000000 00000000 c5b2a000 1ea1c734 b6dec000 c5ba0dc0 c5ba0dc0 c5b2a000 98 b6f004cf b6e[8 6 7 e867 . 4#7 798] bf40: b6ded000 00000000 00000000 00000004 c5b2bf94 c5b2bf60 c0599c20 c059958c [ 86.740731] Co[d e : 8b7a.d4 9971] bf60: 00000000 00000000 c5b2bfac 1ea1c734 0000000a 0000000a b6f34e00 00000004 PC value # [ 8[6 . 7 48378.2540229] bf80: c03002e4 c5b2a000 c5b2bfa4 c5b2bf98 c0599cb0 c0599bb8 00000000 c5b2bfa8 ] ---[ end tr[a c e 8674.e5f110884] bfa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 afca51f18e ]-[- - 8#7 .E5X2E0C69] bfc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 bebd4a64 _USERSPACE: miss[i n g 8'7c.a5l30655] bfe0: 00000004 bebd4798 b6e9f4cf b6e257e6 800e0030 00000001 00000000 00000000 trace:': [FAI[L ] 8n7o.t5 4o0906] Backtrace: 35 selftests: lkdtm: EXEC_U[S E 87.545361] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) SPACE.sh # exit[= 1 8#7 .s5e5l133] r7:c5b2bf60 r6:0000000a r5:c5a26000 r4:00000025 ftests: lkdtm: EXEC_NULL[. s h 87.563794] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 87.574308] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 87.582327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 87.590253] r9:c5b2bf60 r8:c3025d80 r7:0000000a r6:b6ded000 r5:c5ba0dc0 r4:c0c35778 [ 87.598012] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 87.605851] r9:c07e17e8 r8:c5b2bf60 r7:c2815800 r6:b6ded000 r5:c5ba0dc0 r4:00000000 [ 87.613604] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.620749] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5b2a000 r5:c5ba0dc0 [ 87.628582] r4:c5ba0dc0 [ 87.631128] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 87.638271] r9:c5b2a000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000a r4:0000000a [ 87.646024] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 87.653599] Exception stack(0xc5b2bfa8 to 0xc5b2bff0) [ 87.658659] bfa0: 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 [ 87.666846] bfc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 bebd4a64 [ 87.675029] bfe0: 00000004 bebd4798 b6e9f4cf b6e257e6 [ 87.680093] Code: bad PC value [ 87.683237] ---[ end trace 64ef18afca51f18f ]--- # Segmentation fault # [ 87.198214] lkdtm: Performing direct entry EXEC_NULL # [ 87.205117] lkdtm: attempting ok execution at c0c36108 # [ 87.213066] lkdtm: attempting bad execution at 00000000 # [ 87.221177] 8<--- cut here --- # [ 87.227040] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 87.237330] pgd = dd86d109 # [ 87.242911] [00000000] *pgd=00000000 # [ 87.249318] Internal error: Oops: 80000005 [#9] SMP ARM # [ 87.257310] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.289015] CPU: 3 PID: 2164 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 87.298922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.307276] PC is at 0x0 # [ 87.311899] LR is at execute_location+0xa4/0xb4 # [ 87.318935] pc : [<00000000>] lr : [] psr: 600e0013 # [ 87.327108] sp : c5b2be38 ip : c5b2bd40 fp : c5b2be54 # [ 87.333981] r10: 0000000a r9 : c1acc930 r8 : c15e88e4 # [ 87.340941] r7 : c5b2bf60 r6 : 00000000 r5 : 00000000 r4 : c0c36108 # [ 87.349202] r3 : 1ea1c734 r2 : 1ea1c734 r1 : ef7c05e0 r0 : 0000002b # [ 87.357465] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.366508] Control: 10c5387d Table: 1667c04a DAC: 00000051 # [ 87.374076] Process cat (pid: 2164, stack limit = 0x64cdfac3) # [ 87.381727] Stack: (0xc5b2be38 to 0xc5b2c000) # [ 87.387821] be20: 00000025 c5a26000 # [ 87.397993] be40: 0000000a c5b2bf60 c5b2be64 c5b2be58 c135c84c c135c5a8 c5b2be74 c5b2be68 # [ 87.408165] be60: c0c35398 c135c838 c5b2be9c c5b2be78 c0c35898 c0c35378 c0c35778 c5ba0dc0 # [ 87.418421] be80: b6ded000 0000000a c3025d80 c5b2bf60 c5b2bec4 c5b2bea0 c07e184c c0c35784 # [ 87.428508] bea0: 00000000 c5ba0dc0 b6ded000 c2815800 c5b2bf60 c07e17e8 c5b2bf5c c5b2bec8 # [ 87.438852] bec0: c059968c c07e17f4 00000001 00000000 c0599c20 c44dd924 c0599c20 c5b2a000 # [ 87.449109] bee0: b6ded000 00020000 00000004 0000000a 0001fff6 c5b2bee0 00000001 00000805 # [ 87.459366] bf00: c5812c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 87.469455] bf20: 00000000 00000000 c5b2a000 1ea1c734 b6dec000 c5ba0dc0 c5ba0dc0 c5b2a000 # [ 87.479798] bf40: b6ded000 00000000 00000000 00000004 c5b2bf94 c5b2bf60 c0599c20 c059958c # [ 87.489971] bf60: 00000000 00000000 c5b2bfac 1ea1c734 0000000a 0000000a b6f34e00 00000004 # [ 87.500229] bf80: c03002e4 c5b2a000 c5b2bfa4 c5b2bf98 c0599cb0 c0599bb8 00000000 c5b2bfa8 # [ 87.510484] bfa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 # [ 87.520569] bfc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 bebd4a64 # [ 87.530655] bfe0: 00000004 bebd4798 b6e9f4cf b6e257e6 800e0030 00000001 00000000 00000000 # [ 87.540906] Backtrace: # [ 87.545361] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 87.556133] r7:c5b2bf60 r6:0000000a r5:c5a26000 r4:00000025 # [ 87.563794] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.574308] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.582327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.590253] r9:c5b2bf60 r8:c3025d80 r7:0000000a r6:b6ded000 r5:c5ba0dc0 r4:c0c35778 # [ 87.598012] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 87.605851] r9:c07e17e8 r8:c5b2bf60 r7:c2815800 r6:b6ded000 r5:c5ba0dc0 r4:00000000 # [ 87.613604] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.620749] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5b2a000 r5:c5ba0dc0 # [ 87.628582] r4:c5ba0dc0 # [ 87.631128] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.154461] lkdtm: attempting bad read at b6f1c000 [ 87.638271] r9:c5b2a000 r8:c0[ 88.162171] 8<--- cut here --- 3002e4 r7:00000004 r[6 : b 68f83.167911] Unhandled fault: page domain fault (0x01b) at 0xb6f1c000 e00 r5:0000000a r4:[0 0 0 08080.076516] pgd = ec62a8e4 a # [ 87.646024] [[< c 0 58989181386] [b6f1c000] *pgd=49366831 c98>] (sys_write) from[ [ < c808.187219] Internal error: : 1b [#10] SMP ARM 000c0>] (ret_fast_syscall+0x0/0x2[ 88.193997] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 8) # [ 87.653599] Ex[c e p t8i.225700] CPU: 3 PID: 2240 Comm: cat Tainted: G D W 5.10.172-cip27 #1 on stack(0xc5b2[b f a 88 8t.o2 35776] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) xc5b2bff0) # [ 87.658659] bf[a 88.244308] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 0: 0000000a 00[ 88.252220] LR is at __irq_work_queue_local+0x40/0x74 0000a 00000001 b[6 d e d8080.02 60033] pc : [] lr : [] psr: 600e0013 000000a 0000[0 0 0 08 8 .#2 6[8 377] sp : c5a93e38 ip : c5a93d40 fp : c5a93e64 87.666846] bfc[0 : 08080.02070508] r10: 00000011 r9 : c1acc93c r8 : c15e88e4 0a 0000000a b6[f 3 4 e8080. 2082024] r7 : c5a93f60 r6 : 00000051 r5 : c5a92000 r4 : b6f1c000 000004 0000000[1 0 08080.020901156] r3 : 44a8560a r2 : 44a8560a r1 : ef7c05e0 r0 : 00000026 00020000 bebd4a64 [ # [8 8 . 299677] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 87.675029] bfe0: [0 0 0 08080.0349062] Control: 10c5387d Table: 1473c04a DAC: 00000051 bebd4798 b6e9f4cf [b 6 e8285.7316889] Process cat (pid: 2240, stack limit = 0x384a5372) 6 # [ 87.6800[9 3 ] 8C8o.d3e24798] Stack: (0xc5a93e38 to 0xc5a94000) bad PC value # [[ 8887..361234] 3e20: 00000022 00000000 83237] ---[ end tra[c e 6848e.f41492] 3e40: 00000000 44a8560a c5a93e6c 00000026 c5f9c000 00000011 c5a93e74 c5a93e68 18afca51f18f ]--- #[ E X E8C8_.351834] 3e60: c0c35398 c0c36278 c5a93e9c c5a93e78 c0c35898 c0c35378 c0c35778 c405a3c0 ULL: missing 'call tr[a c e :8'8:362263] 3e80: b6dd6000 00000011 c3025d80 c5a93f60 c5a93ec4 c5a93ea0 c07e184c c0c35784 [FAIL] not ok 36 se[l f t 8e8s.372692] 3ea0: 00000000 c405a3c0 b6dd6000 c2815800 c5a93f60 c07e17e8 c5a93f5c c5a93ec8 s: lkdtm: EXEC_NULL.[s h #8 8e.383121] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5a92000 it=1 # selftests: l[k d t m8:8 .393550] 3ee0: b6dd6000 00020000 00000004 00000011 0001ffef c5a93ee0 00000001 b6dd5000 CCESS_USERSPACE.sh [ 88.403978] 3f00: c63d23c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 88.413885] 3f20: 00000000 00000000 c1371e38 44a8560a c205c880 c405a3c0 c405a3c0 c5a92000 [ 88.422072] 3f40: b6dd6000 00000000 00000000 00000004 c5a93f94 c5a93f60 c0599c20 c059958c [ 88.430257] 3f60: 00000000 00000000 c5a93fac 44a8560a 00000011 00000011 b6f1de00 00000004 [ 88.438443] 3f80: c03002e4 c5a92000 c5a93fa4 c5a93f98 c0599cb0 c0599bb8 00000000 c5a93fa8 [ 88.446631] 3fa0: c03000c0 c0599ca4 00000011 00000011 00000001 b6dd6000 00000011 00000000 [ 88.454815] 3fc0: 00000011 00000011 b6f1de00 00000004 00000001 00000000 00020000 bee74a64 [ 88.463000] 3fe0: 00000004 bee74798 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000 [ 88.471180] Backtrace: [ 88.473644] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.482350] r6:00000011 r5:c5f9c000 r4:00000026 [ 88.486977] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.494996] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.502922] r9:c5a93f60 r8:c3025d80 r7:00000011 r6:b6dd6000 r5:c405a3c0 r4:c0c35778 [ 88.510680] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 88.518518] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6dd6000 r5:c405a3c0 r4:00000000 [ 88.526271] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.533415] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c5a92000 r5:c405a3c0 [ 88.541248] r4:c405a3c0 [ 88.543791] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.550934] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:00000011 r4:00000011 [ 88.558688] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.566262] Exception stack(0xc5a93fa8 to 0xc5a93ff0) [ 88.571321] 3fa0: 00000011 00000011 00000001 b6dd6000 00000011 00000000 [ 88.579506] 3fc0: 00000011 00000011 b6f1de00 00000004 00000001 00000000 00020000 bee74a64 [ 88.587689] 3fe0: 00000004 bee74798 b6e884cf b6e0e7e6 [ 88.592751] Code: e1a01004 e30d0860 e34c01ac eb1c6d40 (e5943000) [ 88.598855] ---[ end trace 64ef18afca51f190 ]--- # Segmentation fault # [ 88.148313] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 88.154461] lkdtm: attempting bad read at b6f1c000 # [ 88.162171] 8<--- cut here --- # [ 88.167911] Unhandled fault: page domain fault (0x01b) at 0xb6f1c000 # [ 88.176516] pgd = ec62a8e4 # [ 88.181386] [b6f1c000] *pgd=49366831 # [ 88.187219] Internal error: : 1b [#10] SMP ARM # [ 88.193997] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.225700] CPU: 3 PID: 2240 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 88.235776] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.244308] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 88.252220] LR is at __irq_work_queue_local+0x40/0x74 # [ 88.260033] pc : [] lr : [] psr: 600e0013 # [ 88.268377] sp : c5a93e38 ip : c5a93d40 fp : c5a93e64 # [ 88.275508] r10: 00000011 r9 : c1acc93c r8 : c15e88e4 # [ 88.282724] r7 : c5a93f60 r6 : 00000051 r5 : c5a92000 r4 : b6f1c000 # [ 88.291156] r3 : 44a8560a r2 : 44a8560a r1 : ef7c05e0 r0 : 00000026 # [ 88.299677] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.309062] Control: 10c5387d Table: 1473c04a DAC: 00000051 # [ 88.316889] Process cat (pid: 2240, stack limit = 0x384a5372) # [ 88.324798] Stack: (0xc5a93e38 to 0xc5a94000) # [ 88.331234] 3e20: 00000022 00000000 # [ 88.341492] 3e40: 00000000 44a8560a c5a93e6c 00000026 c5f9c000 00000011 c5a93e74 c5a93e68 # [ 88.351834] 3e60: c0c35398 c0c36278 c5a93e9c c5a93e78 c0c35898 c0c35378 c0c35778 c405a3c0 # [ 88.362263] 3e80: b6dd6000 00000011 c3025d80 c5a93f60 c5a93ec4 c5a93ea0 c07e184c c0c35784 # [ 88.372692] 3ea0: 00000000 c405a3c0 b6dd6000 c2815800 c5a93f60 c07e17e8 c5a93f5c c5a93ec8 # [ 88.383121] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5a92000 # [ 88.393550] 3ee0: b6dd6000 00020000 00000004 00000011 0001ffef c5a93ee0 00000001 b6dd5000 # [ 88.403978] 3f00: c63d23c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.413885] 3f20: 00000000 00000000 c1371e38 44a8560a c205c880 c405a3c0 c405a3c0 c5a92000 # [ 88.422072] 3f40: b6dd6000 00000000 00000000 00000004 c5a93f94 c5a93f60 c0599c20 c059958c # [ 88.430257] 3f60: 00000000 00000000 c5a93fac 44a8560a 00000011 00000011 b6f1de00 00000004 # [ 88.438443] 3f80: c03002e4 c5a92000 c5a93fa4 c5a93f98 c0599cb0 c0599bb8 00000000 c5a93fa8 # [ 88.446631] 3fa0: c03000c0 c0599ca4 00000011 00000011 00000001 b6dd6000 00000011 00000000 # [ 88.454815] 3fc0: 00000011 00000011 b6f1de00 00000004 00000001 00000000 00020000 bee74a64 # [ 88.463000] 3fe0: 00000004 bee74798 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000 # [ 88.471180] Backtrace: # [ 88.473644] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.482350] r6:00000011 r5:c5f9c000 r4:00000026 # [ 88.486977] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.494996] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.502922] r9:c5a93f60 r8:c3025d80 r7:00000011 r6:b6dd6000 r5:c405a3c0 r4:c0c35778 # [ 88.510680] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 88.518518] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6dd6000 r5:c405a3c0 r4:00000000 # [ 88.526271] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.533415] r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c5a92000 r5:c405a3c0 #[ 89.045075] lkdtm: Performing direct entry ACCESS_NULL [ 88.541248] r4:c405a3c0 # [[ 89.051701] lkdtm: attempting bad read at 00000000 88.543791] [] (ksys_[ 89.059255] 8<--- cut here --- write) from [] (sys_wri[ 89.065198] Unable to handle kernel NULL pointer dereference at virtual address 00000000 te+0x18/0x1c) # [ 88.550934] [ 89.076306] pgd = 4e2df941 r9:c5a92000 r8:c03002e4 r7:000000[ 89.081732] [00000000] *pgd=00000000 04 r6:b6f1de00 r5[: 0 0 08090.0018127] Internal error: Oops: 5 [#11] SMP ARM 1 r4:00000011 # [ 88.558688] [[ 89.094914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] (sys_[w r i t8e9). 1f6619] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.172-cip27 #1 rom [.]1 3(6r4e3t] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) _fast_syscall+0x0/0x28) # [ 88[ 89.144717] PC is at lkdtm_ACCESS_NULL+0x28/0x68 .566262] Except[i o n 8s9t.a1c5k186] LR is at 0x0 (0xc5a93fa8 t[o 0 x8c9.51a5963714] pc : [] lr : [<00000000>] psr: 600e0013 f0) # [ [ 8 88.95.7116342818]] sp : c5bb7e50 ip : 00000027 fp : c5bb7e64 3fa0: [ 8 9 . 1 7 1 8 4 7] r10: 0000000c r9 : c1acc950 r8 : c15e88e4 00000011[ 0 0 0809.01071818 8] r7 : c5bb7f60 r6 : 0000000c r5 : c5a35000 r4 : 00000000 00000001 b[6 d d 68090.01 80701055] r3 : c932fec5 r2 : c932fec5 r1 : ef7965e4 r0 : 00000026 0011 00000000[ # 8[9 . 1 985805] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .579506] 3fc[0 : 8090.0200040517] Control: 10c5387d Table: 164fc04a DAC: 00000051 1 00000011 b6f1[d e 0 08 90.02010116] Process cat (pid: 2315, stack limit = 0x09e9060d) 0004 000000[0 1 08090.0201090805] Stack: (0xc5bb7e50 to 0xc5bb8000) 00020000 bee74a64[ # 8[9 . 226036] 7e40: 00000027 c5a35000 c5bb7e74 c5bb7e68 88.587689] 3fe[0 : 8090.020306080] 7e60: c0c35398 c135c85c c5bb7e9c c5bb7e78 c0c35898 c0c35378 c0c35778 c5bbdcc0 04 bee74798 b6e884[c f b869e.0246466] 7e80: b6dc1000 0000000c c3025d80 c5bb7f60 c5bb7ec4 c5bb7ea0 c07e184c c0c35784 7e6 # [ 88.592[7 5 1 ]8 9C.o2d6811] 7ea0: 00000000 c5bbdcc0 b6dc1000 c2815800 c5bb7f60 c07e17e8 c5bb7f5c c5bb7ec8 e: e1a01004 e30[d 0 8 6809 .e2364067] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5bb6000 c01ac eb1c6d40 ([e 5 9 48390.02077240] 7ee0: b6dc1000 00020000 00000004 0000000c 0001fff4 c5bb7ee0 00000001 b6dc0000 # [ 88.598[8 5 5 ]8 9-.2-8-7496] 7f00: c5d5f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 end trace 64ef18a[f c a 5819f.1297670] 7f20: 00000000 00000000 c1371e38 c932fec5 c205c880 c5bbdcc0 c5bbdcc0 c5bb6000 0 ]--- # ACCESS[_ U S E8R9S.P3A08013] 7f40: b6dc1000 00000000 00000000 00000004 c5bb7f94 c5bb7f60 c0599c20 c059958c E: missing 'cal[l t r8a9c.e3:1'271] 7f60: 00000000 00000000 c5bb7fac c932fec5 0000000c 0000000c b6f08e00 00000004 : [FAIL] not[ o k 8397. 3s2e8l42] 7f80: c03002e4 c5bb6000 c5bb7fa4 c5bb7f98 c0599cb0 c0599bb8 00000000 c5bb7fa8 ftests: lkdtm: [A C C E8S9S._3U3S527] 7fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6dc1000 0000000c 00000000 ERSPACE.sh # [e x i t8=91. 3 4#8 98] 7fc0: 0000000c 0000000c b6f08e00 00000004 00000001 00000000 00020000 bed9da64 selftests: lkdt[m : A8C9C.E3S5S784] 7fe0: 00000004 bed9d798 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000 _NULL.sh [ 89.368948] Backtrace: [ 89.372276] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.380548] r5:c5a35000 r4:00000027 [ 89.384135] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.392154] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.400080] r9:c5bb7f60 r8:c3025d80 r7:0000000c r6:b6dc1000 r5:c5bbdcc0 r4:c0c35778 [ 89.407839] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 89.415677] r9:c07e17e8 r8:c5bb7f60 r7:c2815800 r6:b6dc1000 r5:c5bbdcc0 r4:00000000 [ 89.423429] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.430573] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5bb6000 r5:c5bbdcc0 [ 89.438406] r4:c5bbdcc0 [ 89.440951] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.448094] r9:c5bb6000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000000c r4:0000000c [ 89.455848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.463423] Exception stack(0xc5bb7fa8 to 0xc5bb7ff0) [ 89.468482] 7fa0: 0000000c 0000000c 00000001 b6dc1000 0000000c 00000000 [ 89.476667] 7fc0: 0000000c 0000000c b6f08e00 00000004 00000001 00000000 00020000 bed9da64 [ 89.484851] 7fe0: 00000004 bed9d798 b6e734cf b6df97e6 [ 89.489913] Code: e30d0860 e34c01ac e1a01004 ebffd402 (e5945000) [ 89.496083] ---[ end trace 64ef18afca51f191 ]--- # Segmentation fault # [ 89.045075] lkdtm: Performing direct entry ACCESS_NULL # [ 89.051701] lkdtm: attempting bad read at 00000000 # [ 89.059255] 8<--- cut here --- # [ 89.065198] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 89.076306] pgd = 4e2df941 # [ 89.081732] [00000000] *pgd=00000000 # [ 89.088127] Internal error: Oops: 5 [#11] SMP ARM # [ 89.094914] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.126619] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 89.136438] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.144717] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 89.152186] LR is at 0x0 # [ 89.156714] pc : [] lr : [<00000000>] psr: 600e0013 # [ 89.164887] sp : c5bb7e50 ip : 00000027 fp : c5bb7e64 # [ 89.171847] r10: 0000000c r9 : c1acc950 r8 : c15e88e4 # [ 89.178808] r7 : c5bb7f60 r6 : 0000000c r5 : c5a35000 r4 : 00000000 # [ 89.187155] r3 : c932fec5 r2 : c932fec5 r1 : ef7965e4 r0 : 00000026 # [ 89.195505] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 89.204547] Control: 10c5387d Table: 164fc04a DAC: 00000051 # [ 89.212116] Process cat (pid: 2315, stack limit = 0x09e9060d) # [ 89.219855] Stack: (0xc5bb7e50 to 0xc5bb8000) # [ 89.226036] 7e40: 00000027 c5a35000 c5bb7e74 c5bb7e68 # [ 89.236380] 7e60: c0c35398 c135c85c c5bb7e9c c5bb7e78 c0c35898 c0c35378 c0c35778 c5bbdcc0 # [ 89.246466] 7e80: b6dc1000 0000000c c3025d80 c5bb7f60 c5bb7ec4 c5bb7ea0 c07e184c c0c35784 # [ 89.256811] 7ea0: 00000000 c5bbdcc0 b6dc1000 c2815800 c5bb7f60 c07e17e8 c5bb7f5c c5bb7ec8 # [ 89.267067] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5bb6000 # [ 89.277240] 7ee0: b6dc1000 00020000 00000004 0000000c 0001fff4 c5bb7ee0 00000001 b6dc0000 # [ 89.287496] 7f00: c5d5f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 89.297670] 7f20: 00000000 00000000 c1371e38 c932fec5 c205c880 c5bbdcc0 c5bbdcc0 c5bb6000 # [ 89.308013] 7f40: b6dc1000 00000000 00000000 00000004 c5bb7f94 c5bb7f60 c0599c20 c059958c # [ 89.318271] 7f60: 00000000 00000000 c5bb7fac c932fec5 0000000c 0000000c b6f08e00 00000004 # [ 89.328442] 7f80: c03002e4 c5bb6000 c5bb7fa4 c5bb7f98 c0599cb0 c0599bb8 00000000 c5bb7fa8 # [ 89.338527] 7fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6dc1000 0000000c 00000000 # [ 89.348698] 7fc0: 0000000c 0000000c b6f08e00 00000004 00000001 00000000 00020000 bed9da64 # [ 89.358784] 7fe0: 00000004 bed9d798 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000 # [ 89.368948] Backtrace: # [ 89.372276] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.380548] r5:c5a35000 r4:00000027 # [ 89.384135] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.392154] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.400080] r9:c5bb7f60 r8:c3025d80 r7:0000000c r6:b6dc1000 r5:c5bbdcc0 r4:c0c35778 # [ 89.407839] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 89.415677] r9:c07e17e8 r8:c5bb7f60 r7:c2815800 r6:b6dc1000 r5:c5bbdcc0 r4:00000000 # [ 89.423429] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.430573] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5bb6000 r5:c5bbdcc0 # [ 89.438406] r4:c5bbdcc0 # [ 89.440951] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.448094] r9:c5bb6000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000000c r4:0000000c # [ 89.455848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.463423] Exception stack[ 89.959432] lkdtm: Performing direct entry WRITE_RO (0xc5bb7fa8 to 0xc5bb7ff0) # [ [ 89.965059] lkdtm: attempting bad rodata write at c15e8b7c 89.468482] 7fa0: [ 89.973351] 8<--- cut here --- 000000[0 c 08090.09070902c2 ] Unable to handle kernel paging request at virtual address c15e8b7c 00000001 b[6 d c 18090.09 80801082] pgd = 87a93591 000c 00000000 # [ 89.[4 7 6 689.992711] [c15e8b7c] *pgd=1141941e(bad) 7] 7fc0: 0000000c 0[0 0 0 08090.c99155] Internal error: Oops: 80d [#12] SMP ARM b6f08e00 00000004 00000001 00000[ 90.006197] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 000 00020000 bed9d[a 6 4 9 0#. 037903] CPU: 1 PID: 2389 Comm: cat Tainted: G D W 5.10.172-cip27 #1 89.4848[5 1 ] 9 07.f0e407:8 00] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000004 bed9d798 b6e734c[f b 690.056083] PC is at lkdtm_WRITE_RO+0x44/0x50 f97e6 # [ 89.489913] Cod[e : 90.062869] LR is at __irq_work_queue_local+0x40/0x74 e30d0860 e34c[0 1 a c9 0e.10a700127] pc : [] lr : [] psr: 600e0013 004 ebffd[4 0 2 9(0e.50974856000] sp : c61fde50 ip : c61fdd58 fp : c61fde64 0) # [[ 9809..04895655098] r10: 00000009 r9 : c1acc95c r8 : c15e88e4 ] ---[ en[d t r9a0c.e0 96244e3f] r7 : c61fdf60 r6 : 00000009 r5 : c5b19000 r4 : c15e8b7c 18afca5[1 f 1 9910 .]1-0-0-6 9 4# r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1acd760 ACCESS_NULL:[ m i s9s0i.n1g0 8'71] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none call trace:[' : [9F0A.I1L1]7 9 3] Control: 10c5387d Table: 1662404a DAC: 00000051 not ok 38 [s e l f9t0e.s1t2s5:4 80] Process cat (pid: 2389, stack limit = 0x81e151fe) kdtm: AC[C E S S9_0N.U1L3L30.4s6h Stack: (0xc61fde50 to 0xc61fe000) # exit=1 # self[t e s t9s0:. 1l9055] de40: 00000028 c5b19000 c61fde74 c61fde68 kdtm: WRITE_RO[. s h 9 0.149312] de60: c0c35398 c135c65c c61fde9c c61fde78 c0c35898 c0c35378 c0c35778 c5aba3c0 [ 90.159136] de80: b6e78000 00000009 c3025d80 c61fdf60 c61fdec4 c61fdea0 c07e184c c0c35784 [ 90.167322] dea0: 00000000 c5aba3c0 b6e78000 c2815800 c61fdf60 c07e17e8 c61fdf5c c61fdec8 [ 90.175506] dec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c61fc000 [ 90.183694] dee0: b6e78000 00020000 00000004 00000009 0001fff7 c61fdee0 00000001 b6e77000 [ 90.191878] df00: c59a7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 90.200063] df20: 00000000 00000000 c1371e38 8b6e72d5 c205c880 c5aba3c0 c5aba3c0 c61fc000 [ 90.208248] df40: b6e78000 00000000 00000000 00000004 c61fdf94 c61fdf60 c0599c20 c059958c [ 90.216433] df60: 00000000 00000000 c61fdfac 8b6e72d5 00000009 00000009 b6fbfe00 00000004 [ 90.224618] df80: c03002e4 c61fc000 c61fdfa4 c61fdf98 c0599cb0 c0599bb8 00000000 c61fdfa8 [ 90.232802] dfa0: c03000c0 c0599ca4 00000009 00000009 00000001 b6e78000 00000009 00000000 [ 90.240987] dfc0: 00000009 00000009 b6fbfe00 00000004 00000001 00000000 00020000 be9f0a64 [ 90.249172] dfe0: 00000004 be9f0798 b6f2a4cf b6eb07e6 800e0030 00000001 00000000 00000000 [ 90.257351] Backtrace: [ 90.259821] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.267832] r5:c5b19000 r4:00000028 [ 90.271419] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.279436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.287361] r9:c61fdf60 r8:c3025d80 r7:00000009 r6:b6e78000 r5:c5aba3c0 r4:c0c35778 [ 90.295117] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 90.302955] r9:c07e17e8 r8:c61fdf60 r7:c2815800 r6:b6e78000 r5:c5aba3c0 r4:00000000 [ 90.310707] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 90.317850] r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c61fc000 r5:c5aba3c0 [ 90.325684] r4:c5aba3c0 [ 90.328229] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 90.335374] r9:c61fc000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:00000009 r4:00000009 [ 90.343130] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 90.350704] Exception stack(0xc61fdfa8 to 0xc61fdff0) [ 90.355765] dfa0: 00000009 00000009 00000001 b6e78000 00000009 00000000 [ 90.363949] dfc0: 00000009 00000009 b6fbfe00 00000004 00000001 00000000 00020000 be9f0a64 [ 90.372131] dfe0: 00000004 be9f0798 b6f2a4cf b6eb07e6 [ 90.377191] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) [ 90.383294] ---[ end trace 64ef18afca51f192 ]--- # Segmentation fault # [ 89.959432] lkdtm: Performing direct entry WRITE_RO # [ 89.965059] lkdtm: attempting bad rodata write at c15e8b7c # [ 89.973351] 8<--- cut here --- # [ 89.979222] Unable to handle kernel paging request at virtual address c15e8b7c # [ 89.988182] pgd = 87a93591 # [ 89.992711] [c15e8b7c] *pgd=1141941e(bad) # [ 89.999155] Internal error: Oops: 80d [#12] SMP ARM # [ 90.006197] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.037903] CPU: 1 PID: 2389 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 90.047809] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.056083] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 90.062869] LR is at __irq_work_queue_local+0x40/0x74 # [ 90.070427] pc : [] lr : [] psr: 600e0013 # [ 90.078600] sp : c61fde50 ip : c61fdd58 fp : c61fde64 # [ 90.085559] r10: 00000009 r9 : c1acc95c r8 : c15e88e4 # [ 90.092433] r7 : c61fdf60 r6 : 00000009 r5 : c5b19000 r4 : c15e8b7c # [ 90.100694] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1acd760 # [ 90.108871] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 90.117913] Control: 10c5387d Table: 1662404a DAC: 00000051 # [ 90.125480] Process cat (pid: 2389, stack limit = 0x81e151fe) # [ 90.133046] Stack: (0xc61fde50 to 0xc61fe000) # [ 90.139055] de40: 00000028 c5b19000 c61fde74 c61fde68 # [ 90.149312] de60: c0c35398 c135c65c c61fde9c c61fde78 c0c35898 c0c35378 c0c35778 c5aba3c0 # [ 90.159136] de80: b6e78000 00000009 c3025d80 c61fdf60 c61fdec4 c61fdea0 c07e184c c0c35784 # [ 90.167322] dea0: 00000000 c5aba3c0 b6e78000 c2815800 c61fdf60 c07e17e8 c61fdf5c c61fdec8 # [ 90.175506] dec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c61fc000 # [ 90.183694] dee0: b6e78000 00020000 00000004 00000009 0001fff7 c61fdee0 00000001 b6e77000 # [ 90.191878] df00: c59a7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 90.200063] df20: 00000000 00000000 c1371e38 8b6e72d5 c205c880 c5aba3c0 c5aba3c0 c61fc000 # [ 90.208248] df40: b6e78000 00000000 00000000 00000004 c61fdf94 c61fdf60 c0599c20 c059958c # [ 90.216433] df60: 00000000 00000000 c61fdfac 8b6e72d5 00000009 00000009 b6fbfe00 00000004 # [ 90.224618] df80: c03002e4 c61fc000 c61fdfa4 c61fdf98 c0599cb0 c0599bb8 00000000 c61fdfa8 # [ 90.232802] dfa0: c03000c0 c0599ca4 00000009 00000009 00000001 b6e78000 00000009 00000000 # [ 90.240987] dfc0: 00000009 00000009 b6fbfe00 00000004 00000001 00000000 00020000 be9f0a64 # [ 90.249172] dfe0: 00000004 be9f0798 b6f2a4cf b6eb07e6 800e0030 00000001 00000000 00000000 # [ 90.257351] Backtrace: # [ 90.259821] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.267832] r5:c5b19000 r4:00000028 # [ 90.271419] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.279436] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.287361] r9:c61fdf60 r8:c3025d80 r7:00000009 r6:b6e78000 r5:c5aba3c0 r4:c0c35778 # [ 90.295117] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 90.302955] r9:c07e17e8 r8:c61fdf60 r7:c2815800 r6:b6e78000 r5:c5aba3c0 r4:00000000 # [ 90.310707] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.317850] r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c61fc000 r5:c5aba3c0 # [ 90.325684] r4:c5aba3c0 # [ 90.328229] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.335374] r9:c61fc000 r8:c03002e4 r7:00000004[ 90.853945] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT r6:b6fbfe00 r5:00000009 r4:00000[ 90.860192] lkdtm: attempting bad ro_after_init write at c1b7ec60 009 # [ 90.343130] [[< c 0 599.869100] 8<--- cut here --- 9c98>] (sys_[w r i t9e0). 8f7r4o491] Unable to handle kernel paging request at virtual address c1b7ec60 [ ] 9(0r.e8t8_3f6a24] pgd = 723e9e58 t_syscall+0x0/0x28) # [ 9[0 . 90.888154] [c1b7ec60] *pgd=11a1941e(bad) 50704] Exception stack(0xc61fd[f 90.894786] Internal error: Oops: 80d [#13] SMP ARM 8 to 0xc61fdff0) # [ 90.355765[ 90.902353] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 ] dfa0: 00000[0 90.934071] CPU: 3 PID: 2463 Comm: cat Tainted: G D W 5.10.172-cip27 #1 09 00000009 00000[0 0 1 9b06.e974501] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8000 00000009 00000000 # [ 90.[ 90.953143] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 363949] dfc0: 00000009 [0 0 0 090.961306] LR is at 0x0 009 b6fbfe00 00000004 00[0 0 090.966189] pc : [] lr : [<00000000>] psr: 600e0013 01 00000000 0002000[0 b e990f.074800] sp : c5b5fe50 ip : 00000027 fp : c5b5fe64 a64 # [ 90.3721[3 1 ] 9d0f.e982201] r10: 00000014 r9 : c1acc968 r8 : c15e88e4 : 00000004 be9f0798[ b 6 f920a.489603] r7 : c5b5ff60 r6 : 00000014 r5 : c5d57000 r4 : c1b7ec60 cf b6eb07e6 # [ [ 9 09.03.7978304] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e4 r0 : c1acd760 191] Code: e34a3bcd e30[d 0 7 690.006925] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e34c01ac e0233002 (e[5 8 4 39010016409] Control: 10c5387d Table: 1611404a DAC: 00000051 0) # [ 90.383294][ - - -9[1 024419] Process cat (pid: 2463, stack limit = 0x2cadbd3a) end trace 64ef18[a f c a9511.f0132425] Stack: (0xc5b5fe50 to 0xc5b60000) 2 ]--- # WRITE_RO: missing 'c[a 91.038880] fe40: 00000029 c5d57000 c5b5fe74 c5b5fe68 l trace:': [FAIL] not ok 39[ s 91.049755] fe60: c0c35398 c135c6ac c5b5fe9c c5b5fe78 c0c35898 c0c35378 c0c35778 c5a69cc0 lftests: lkdtm: WRITE_RO.sh # ex[ 91.060543] fe80: b6eac000 00000014 c3025d80 c5b5ff60 c5b5fec4 c5b5fea0 c07e184c c0c35784 t=1 # selftests: lkdtm: WRITE_[R 91.071502] fea0: 00000000 c5a69cc0 b6eac000 c2815800 c5b5ff60 c07e17e8 c5b5ff5c c5b5fec8 O_AFTER_INIT.sh [ 91.082376] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5b5e000 [ 91.092034] fee0: b6eac000 00020000 00000004 00000014 0001ffec c5b5fee0 00000001 b6eab000 [ 91.100242] ff00: c5effcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 91.108451] ff20: 00000000 00000000 c1371e38 09f97919 c205c880 c5a69cc0 c5a69cc0 c5b5e000 [ 91.116658] ff40: b6eac000 00000000 00000000 00000004 c5b5ff94 c5b5ff60 c0599c20 c059958c [ 91.124869] ff60: 00000000 00000000 c5b5ffac 09f97919 00000014 00000014 b6ff3e00 00000004 [ 91.133077] ff80: c03002e4 c5b5e000 c5b5ffa4 c5b5ff98 c0599cb0 c0599bb8 00000000 c5b5ffa8 [ 91.141288] ffa0: c03000c0 c0599ca4 00000014 00000014 00000001 b6eac000 00000014 00000000 [ 91.149495] ffc0: 00000014 00000014 b6ff3e00 00000004 00000001 00000000 00020000 becd9a64 [ 91.157702] ffe0: 00000004 becd9798 b6f5e4cf b6ee47e6 800e0030 00000001 00000000 00000000 [ 91.165896] Backtrace: [ 91.168407] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 91.177393] r5:c5d57000 r4:00000029 [ 91.181006] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 91.189055] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 91.197005] r9:c5b5ff60 r8:c3025d80 r7:00000014 r6:b6eac000 r5:c5a69cc0 r4:c0c35778 [ 91.204791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 91.212653] r9:c07e17e8 r8:c5b5ff60 r7:c2815800 r6:b6eac000 r5:c5a69cc0 r4:00000000 [ 91.220429] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 91.227596] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5b5e000 r5:c5a69cc0 [ 91.235446] r4:c5a69cc0 [ 91.238014] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 91.245181] r9:c5b5e000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000014 r4:00000014 [ 91.252960] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 91.260551] Exception stack(0xc5b5ffa8 to 0xc5b5fff0) [ 91.265632] ffa0: 00000014 00000014 00000001 b6eac000 00000014 00000000 [ 91.273840] ffc0: 00000014 00000014 b6ff3e00 00000004 00000001 00000000 00020000 becd9a64 [ 91.282043] ffe0: 00000004 becd9798 b6f5e4cf b6ee47e6 [ 91.287128] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) [ 91.293256] ---[ end trace 64ef18afca51f193 ]--- # Segmentation fault # [ 90.853945] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 90.860192] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 90.869100] 8<--- cut here --- # [ 90.874491] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 90.883624] pgd = 723e9e58 # [ 90.888154] [c1b7ec60] *pgd=11a1941e(bad) # [ 90.894786] Internal error: Oops: 80d [#13] SMP ARM # [ 90.902353] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.934071] CPU: 3 PID: 2463 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 90.944501] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.953143] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 90.961306] LR is at 0x0 # [ 90.966189] pc : [] lr : [<00000000>] psr: 600e0013 # [ 90.974800] sp : c5b5fe50 ip : 00000027 fp : c5b5fe64 # [ 90.982201] r10: 00000014 r9 : c1acc968 r8 : c15e88e4 # [ 90.989603] r7 : c5b5ff60 r6 : 00000014 r5 : c5d57000 r4 : c1b7ec60 # [ 90.998304] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e4 r0 : c1acd760 # [ 91.006925] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 91.016409] Control: 10c5387d Table: 1611404a DAC: 00000051 # [ 91.024419] Process cat (pid: 2463, stack limit = 0x2cadbd3a) # [ 91.032425] Stack: (0xc5b5fe50 to 0xc5b60000) # [ 91.038880] fe40: 00000029 c5d57000 c5b5fe74 c5b5fe68 # [ 91.049755] fe60: c0c35398 c135c6ac c5b5fe9c c5b5fe78 c0c35898 c0c35378 c0c35778 c5a69cc0 # [ 91.060543] fe80: b6eac000 00000014 c3025d80 c5b5ff60 c5b5fec4 c5b5fea0 c07e184c c0c35784 # [ 91.071502] fea0: 00000000 c5a69cc0 b6eac000 c2815800 c5b5ff60 c07e17e8 c5b5ff5c c5b5fec8 # [ 91.082376] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5b5e000 # [ 91.092034] fee0: b6eac000 00020000 00000004 00000014 0001ffec c5b5fee0 00000001 b6eab000 # [ 91.100242] ff00: c5effcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 91.108451] ff20: 00000000 00000000 c1371e38 09f97919 c205c880 c5a69cc0 c5a69cc0 c5b5e000 # [ 91.116658] ff40: b6eac000 00000000 00000000 00000004 c5b5ff94 c5b5ff60 c0599c20 c059958c # [ 91.124869] ff60: 00000000 00000000 c5b5ffac 09f97919 00000014 00000014 b6ff3e00 00000004 # [ 91.133077] ff80: c03002e4 c5b5e000 c5b5ffa4 c5b5ff98 c0599cb0 c0599bb8 00000000 c5b5ffa8 # [ 91.141288] ffa0: c03000c0 c0599ca4 00000014 00000014 00000001 b6eac000 00000014 00000000 # [ 91.149495] ffc0: 00000014 00000014 b6ff3e00 00000004 00000001 00000000 00020000 becd9a64 # [ 91.157702] ffe0: 00000004 becd9798 b6f5e4cf b6ee47e6 800e0030 00000001 00000000 00000000 # [ 91.165896] Backtrace: # [ 91.168407] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.177393] r5:c5d57000 r4:00000029 # [ 91.181006] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.189055] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.197005] r9:c5b5ff60 r8:c3025d80 r7:00000014 r6:b6eac000 r5:c5a69cc0 r4:c0c35778 # [ 91.204791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 91.212653] r9:c07e17e8 r8:c5b5ff60 r7:c2815800 r6:b6eac000 r5:c5a69cc0 r4:00000000 # [ 91.220429] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.227596] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5b5e000 r5:c5a69cc0 # [ 91.235446] r4:c5a69cc0 # [ 91.238014] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.245181] r9:c5b5e000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000[ 91.772192] lkdtm: Performing direct entry WRITE_KERN 014 r4:00000014 # [ [9 1 . 295.779603] lkdtm: attempting bad 7496816 byte write at c135c578 2960] [] (sys_write) fr[ 91.788033] 8<--- cut here --- om [.]7 9(3r8e6t8] Unable to handle kernel paging request at virtual address c135c578 fast_syscall+[0 x 0 9/10.x82082)828] pgd = 89304bfa # [ 91.260551] Exceptio[n s 91.807441] [c135c578] *pgd=1121940e(bad) ack(0xc5b5ffa8 t[o 0 x9c15.b8513970] Internal error: Oops: 80d [#14] SMP ARM ff0) # [ 91.265632] ffa0: [ 91.820928] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 000[0 0 0 1941 .0802631] CPU: 1 PID: 2537 Comm: cat Tainted: G D W 5.10.172-cip27 #1 000014 000[0 0 0 0911 .b866e2a4c51] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 00000014 00000000 # [[ 91.870809] PC is at memcpy+0x50/0x330 1.273840] ffc0:[ 0 0 09010.80716981] LR is at 0xe92dd830 00000014 [b 6 f f931e.0808 201015] pc : [] lr : [] psr: 200e0013 00004 00[0 0 0 09011. 80900020003] sp : c5cefe2c ip : e1a0c00d fp : c5cefe64 00 0002000[0 b e9c1d.98a976146 ] r10: 0000000b r9 : c1acc97c r8 : e89da800 # [ 91[. 2 8 29014.39]0 4f1f2e] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 0: 000000[0 4 b9e1c.d991729388 ] r3 : e1a0c00d r2 : 007263d0 r1 : c0c36128 r0 : c135c578 b6f5e4cf b6ee4[7 e 6 9 1.#9 2[0 47] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 91.929691] Control: 10c5387d Table: 1669404a DAC: 00000051 91.287128][ C o d9e1:. 9e3354443] Process cat (pid: 2537, stack limit = 0xe3af9e33) 3bcd e30d[0 7 6 09 1e.3944c30019a] Stack: (0xc5cefe2c to 0xc5cf0000) c e0233002 (e584[3 0 0 09)1 . 9 49191] fe20: c0c36108 00726470 c5ceff60 c15e88e4 c135c578 [ 91.293256][ - - -9[1 .e9n59448] fe40: c135c578 c135c75c 0000002a c5a35000 0000000b c5ceff60 c5cefe74 c5cefe68 trace 64ef18afca[5 1 f 19913. 9]9620] fe60: c0c35398 c135c71c c5cefe9c c5cefe78 c0c35898 c0c35378 c0c35778 c5abba40 --- # WRITE_RO[_ A F T9E1R._9I7N877] fe80: b6e50000 0000000b c3025d80 c5ceff60 c5cefec4 c5cefea0 c07e184c c0c35784 IT: missing 'cal[l t r9a1c.e9:90051] fea0: 00000000 c5abba40 b6e50000 c2815800 c5ceff60 c07e17e8 c5ceff5c c5cefec8 : [FAIL] not ok [4 0 s92e.l0f00308] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5cee000 ests: lkdtm: WRI[T E _ R9O2_.A0F10566] fee0: b6e50000 00020000 00000004 0000000b 0001fff5 c5cefee0 00000001 b6e4f000 ER_INIT.sh # [e x i t9=21. 0 2#0 23] ff00: c5efeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 selftests: lkdt[m : W9R2I.T0E3_909] ff20: 00000000 00000000 c1371e38 0bcf1593 c205c880 c5abba40 c5abba40 c5cee000 KERN.sh [ 92.041080] ff40: b6e50000 00000000 00000000 00000004 c5ceff94 c5ceff60 c0599c20 c059958c [ 92.050039] ff60: 00000000 00000000 c5ceffac 0bcf1593 0000000b 0000000b b6f97e00 00000004 [ 92.058225] ff80: c03002e4 c5cee000 c5ceffa4 c5ceff98 c0599cb0 c0599bb8 00000000 c5ceffa8 [ 92.066411] ffa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e50000 0000000b 00000000 [ 92.074594] ffc0: 0000000b 0000000b b6f97e00 00000004 00000001 00000000 00020000 beb8ea64 [ 92.082779] ffe0: 00000004 beb8e798 b6f024cf b6e887e6 800e0030 00000001 00000000 00000000 [ 92.090958] Backtrace: [ 92.093433] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.101620] r7:c5ceff60 r6:0000000b r5:c5a35000 r4:0000002a [ 92.107291] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.115309] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.123235] r9:c5ceff60 r8:c3025d80 r7:0000000b r6:b6e50000 r5:c5abba40 r4:c0c35778 [ 92.130992] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 92.138831] r9:c07e17e8 r8:c5ceff60 r7:c2815800 r6:b6e50000 r5:c5abba40 r4:00000000 [ 92.146584] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.153727] r10:00000004 r9:00000000 r8:00000000 r7:b6e50000 r6:c5cee000 r5:c5abba40 [ 92.161560] r4:c5abba40 [ 92.164102] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.171246] r9:c5cee000 r8:c03002e4 r7:00000004 r6:b6f97e00 r5:0000000b r4:0000000b [ 92.179001] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.186575] Exception stack(0xc5ceffa8 to 0xc5cefff0) [ 92.191634] ffa0: 0000000b 0000000b 00000001 b6e50000 0000000b 00000000 [ 92.199819] ffc0: 0000000b 0000000b b6f97e00 00000004 00000001 00000000 00020000 beb8ea64 [ 92.208001] ffe0: 00000004 beb8e798 b6f024cf b6e887e6 [ 92.213063] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 92.219167] ---[ end trace 64ef18afca51f194 ]--- # Segmentation fault # [ 91.772192] lkdtm: Performing direct entry WRITE_KERN # [ 91.779603] lkdtm: attempting bad 7496816 byte write at c135c578 # [ 91.788033] 8<--- cut here --- # [ 91.793868] Unable to handle kernel paging request at virtual address c135c578 # [ 91.802828] pgd = 89304bfa # [ 91.807441] [c135c578] *pgd=1121940e(bad) # [ 91.813970] Internal error: Oops: 80d [#14] SMP ARM # [ 91.820928] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.852631] CPU: 1 PID: 2537 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 91.862451] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.870809] PC is at memcpy+0x50/0x330 # [ 91.876981] LR is at 0xe92dd830 # [ 91.882115] pc : [] lr : [] psr: 200e0013 # [ 91.890203] sp : c5cefe2c ip : e1a0c00d fp : c5cefe64 # [ 91.897163] r10: 0000000b r9 : c1acc97c r8 : e89da800 # [ 91.904122] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 91.912384] r3 : e1a0c00d r2 : 007263d0 r1 : c0c36128 r0 : c135c578 # [ 91.920647] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 91.929691] Control: 10c5387d Table: 1669404a DAC: 00000051 # [ 91.935443] Process cat (pid: 2537, stack limit = 0xe3af9e33) # [ 91.943096] Stack: (0xc5cefe2c to 0xc5cf0000) # [ 91.949191] fe20: c0c36108 00726470 c5ceff60 c15e88e4 c135c578 # [ 91.959448] fe40: c135c578 c135c75c 0000002a c5a35000 0000000b c5ceff60 c5cefe74 c5cefe68 # [ 91.969620] fe60: c0c35398 c135c71c c5cefe9c c5cefe78 c0c35898 c0c35378 c0c35778 c5abba40 # [ 91.979877] fe80: b6e50000 0000000b c3025d80 c5ceff60 c5cefec4 c5cefea0 c07e184c c0c35784 # [ 91.990051] fea0: 00000000 c5abba40 b6e50000 c2815800 c5ceff60 c07e17e8 c5ceff5c c5cefec8 # [ 92.000308] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371e38 c0599c20 c5cee000 # [ 92.010566] fee0: b6e50000 00020000 00000004 0000000b 0001fff5 c5cefee0 00000001 b6e4f000 # [ 92.020823] ff00: c5efeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 92.030909] ff20: 00000000 00000000 c1371e38 0bcf1593 c205c880 c5abba40 c5abba40 c5cee000 # [ 92.041080] ff40: b6e50000 00000000 00000000 00000004 c5ceff94 c5ceff60 c0599c20 c059958c # [ 92.050039] ff60: 00000000 00000000 c5ceffac 0bcf1593 0000000b 0000000b b6f97e00 00000004 # [ 92.058225] ff80: c03002e4 c5cee000 c5ceffa4 c5ceff98 c0599cb0 c0599bb8 00000000 c5ceffa8 # [ 92.066411] ffa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e50000 0000000b 00000000 # [ 92.074594] ffc0: 0000000b 0000000b b6f97e00 00000004 00000001 00000000 00020000 beb8ea64 # [ 92.082779] ffe0: 00000004 beb8e798 b6f024cf b6e887e6 800e0030 00000001 00000000 00000000 # [ 92.090958] Backtrace: # [ 92.093433] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.101620] r7:c5ceff60 r6:0000000b r5:c5a35000 r4:0000002a # [ 92.107291] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.115309] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.123235] r9:c5ceff60 r8:c3025d80 r7:0000000b r6:b6e50000 r5:c5abba40 r4:c0c35778 # [ 92.130992] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 92.138831] r9:c07e17e8 r8:c5ceff60 r7:c2815800 r6:b6e50000 r5:c5abba40 r4:00000000 # [ 92.146584] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.153727] r10:00000004 r9:00000000 r8:00000000 r7:b6e50000 r6:c5cee000 r5:c5abba40 # [ [ 92.695095] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 92.161560] r4:c5abba40 # [ 92[ 92.702300] lkdtm: attempting good refcount_inc() without overflow .164102] [] (ksys_write[ 92.711267] lkdtm: attempting bad refcount_inc() overflow ) from [] (sys_write+0x[ 92.719526] ------------[ cut here ]------------ 18/0x1c) # [ 92.171246] r9:c5[ 92.727151] WARNING: CPU: 0 PID: 2612 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 cee000 r8:c03002e4 r7:00000004 r6[ 92.738431] refcount_t: saturated; leaking memory. :b6f97e00 r5:0000000b r4:0000000b[ 92.746204] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.179001] [] ([ 92.777867] CPU: 0 PID: 2612 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 92.788430] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 92.794963] Backtrace: [ 92.797437] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 92.805016] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 92.810688] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 92.818013] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 92.824983] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c [ 92.832737] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 92.840225] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c61fc000 [ 92.845895] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 92.854861] r9:c1acc988 r8:c15e88e4 r7:c61fdf60 r6:00000016 r5:c5e19000 r4:c61fc000 [ 92.862619] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 92.872291] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 92.882389] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.891526] r4:0000002b [ 92.894070] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.902087] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.910013] r9:c61fdf60 r8:c3025d80 r7:00000016 r6:b6e8f000 r5:c61ff900 r4:c0c35778 [ 92.917769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 92.925609] r9:c07e17e8 r8:c61fdf60 r7:c2815800 r6:b6e8f000 r5:c61ff900 r4:00000000 [ 92.933360] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.940503] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c61fc000 r5:c61ff900 [ 92.948336] r4:c61ff900 [ 92.950880] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.958023] r9:c61fc000 r8:c03002e4 r7:00000004 r6:b6fd6e00 r5:00000016 r4:00000016 [ 92.965776] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.973350] Exception stack(0xc61fdfa8 to 0xc61fdff0) [ 92.978411] dfa0: 00000016 00000016 00000001 b6e8f000 00000016 00000000 [ 92.986597] dfc0: 00000016 00000016 b6fd6e00 00000004 00000001 00000000 00020000 be861a64 [ 92.994779] dfe0: 00000004 be861798 b6f414cf b6ec77e6 sys_write) from [] (ret[ 92.999903] irq event stamp: 0 _fast_syscall+0x0/0x28) # [ 92[ 93.005830] hardirqs last enabled at (0): [<00000000>] 0x0 .186575] Exception stack(0xc5ceff[ 93.014315] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 a8 to 0xc5cefff0) # [ 92.19163[ 93.024704] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 4] ffa0: 000000[ 93.035062] softirqs last disabled at (0): [<00000000>] 0x0 0b 0000000b 00000001 b6e50000 000[ 93.043514] ---[ end trace 64ef18afca51f195 ]--- 0000b 00000000 # [ 92.199819] [ 93.051016] lkdtm: Overflow detected: saturated ffc0: 0000000b 0000000b b6f97e00 00000004 00000001 00000000 00020000 beb8ea64 # [ 92.208001] ffe0: 00000004 beb8e798 b6f024cf b6e887e6 # [ 92.213063] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 92.219167] ---[ end trace 64ef18afca51f194 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 92.695095] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 92.702300] lkdtm: attempting good refcount_inc() without overflow # [ 92.711267] lkdtm: attempting bad refcount_inc() overflow # [ 92.719526] ------------[ cut here ]------------ # [ 92.727151] WARNING: CPU: 0 PID: 2612 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 92.738431] refcount_t: saturated; leaking memory. # [ 92.746204] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.777867] CPU: 0 PID: 2612 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 92.788430] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.794963] Backtrace: # [ 92.797437] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.805016] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 92.810688] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.818013] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.824983] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c # [ 92.832737] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.840225] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c61fc000 # [ 92.845895] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 92.854861] r9:c1acc988 r8:c15e88e4 r7:c61fdf60 r6:00000016 r5:c5e19000 r4:c61fc000 # [ 92.862619] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 92.872291] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 92.882389] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.891526] r4:0000002b # [ 92.894070] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.902087] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.910013] r9:c61fdf60 r8:c3025d80 r7:00000016 r6:b6e8f000 r5:c61ff900 r4:c0c35778 # [ 92.917769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 92.925609] r9:c07e17e8 r8:c61fdf60 r7:c2815800 r6:b6e8f000 r5:c61ff900 r4:00000000 # [ 92.933360] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.940503] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c61fc000 r5:c61ff900 # [ 92.948336] r4:c61ff900 # [ 92.950880] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.958023] r9:c61fc000 r8:c03002e4 r7:00000004 r6:b6fd6e00 r5:00000016 r4:00000016 # [ 92.965776] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.973350] Exception stack(0xc61fdfa8 to 0xc61fdff0) # [ 92.978411] dfa0: 00000016 00000016 00000001 b6e8f000 00000016 00000000 # [ 92.986597] dfc0: 00000016 00000016 b6fd6e00 00000004 00000001 00000000 00020000 be861a64 # [ 92.994779] dfe0: 00000004 be861798 b6f414cf b6ec77e6 # [ 92.999903] irq event stamp: 0 # [ 93.005830] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.014315] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.024704] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.035062] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.043514] ---[ end trace 64ef18afca51f195 ]--- # [ 93.051016] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missin[ 93.478335] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW g 'call trace:': [FAIL] not ok 4[ 93.487213] lkdtm: attempting good refcount_add() without overflow 2 selftests: lkdtm: REFCOUNT_INC_[ 93.496301] lkdtm: attempting bad refcount_add() overflow OVERFLOW.sh # exit=1 # selftests[ 93.504625] ------------[ cut here ]------------ : lkdtm: REFCOUNT_ADD_OVERFLOW.sh[ 93.512124] WARNING: CPU: 0 PID: 2646 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 93.523509] refcount_t: saturated; leaking memory. [ 93.528377] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 93.557543] CPU: 0 PID: 2646 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 93.565292] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 93.571825] Backtrace: [ 93.574298] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 93.581878] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 93.587550] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 93.594873] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 93.601843] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c [ 93.609596] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 93.617085] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c59a0000 [ 93.622756] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 93.631723] r9:c1acc9a0 r8:c15e88e4 r7:c59a1f60 r6:00000016 r5:c5e18000 r4:c59a0000 [ 93.639478] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 93.649150] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 93.659249] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 93.668386] r4:0000002c [ 93.670930] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 93.678949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 93.686874] r9:c59a1f60 r8:c3025d80 r7:00000016 r6:b6e02000 r5:c61ff680 r4:c0c35778 [ 93.694632] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 93.702469] r9:c07e17e8 r8:c59a1f60 r7:c2815800 r6:b6e02000 r5:c61ff680 r4:00000000 [ 93.710221] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 93.717364] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c59a0000 r5:c61ff680 [ 93.725197] r4:c61ff680 [ 93.727740] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 93.734883] r9:c59a0000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000016 r4:00000016 [ 93.742638] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 93.750212] Exception stack(0xc59a1fa8 to 0xc59a1ff0) [ 93.755273] 1fa0: 00000016 00000016 00000001 b6e02000 00000016 00000000 [ 93.763458] 1fc0: 00000016 00000016 b6f49e00 00000004 00000001 00000000 00020000 beac1a64 [ 93.771640] 1fe0: 00000004 beac1798 b6eb44cf b6e3a7e6 [ 93.776737] irq event stamp: 0 [ 93.779839] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.785430] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 93.792999] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 93.800535] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.806121] ---[ end trace 64ef18afca51f196 ]--- [ 93.810778] lkdtm: Overflow detected: saturated # [ 93.478335] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 93.487213] lkdtm: attempting good refcount_add() without overflow # [ 93.496301] lkdtm: attempting bad refcount_add() overflow # [ 93.504625] ------------[ cut here ]------------ # [ 93.512124] WARNING: CPU: 0 PID: 2646 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 93.523509] refcount_t: saturated; leaking memory. # [ 93.528377] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.557543] CPU: 0 PID: 2646 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 93.565292] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.571825] Backtrace: # [ 93.574298] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.581878] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 93.587550] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.594873] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.601843] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c # [ 93.609596] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.617085] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c59a0000 # [ 93.622756] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 93.631723] r9:c1acc9a0 r8:c15e88e4 r7:c59a1f60 r6:00000016 r5:c5e18000 r4:c59a0000 # [ 93.639478] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 93.649150] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 93.659249] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.668386] r4:0000002c # [ 93.670930] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.678949] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.686874] r9:c59a1f60 r8:c3025d80 r7:00000016 r6:b6e02000 r5:c61ff680 r4:c0c35778 # [ 93.694632] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 93.702469] r9:c07e17e8 r8:c59a1f60 r7:c2815800 r6:b6e02000 r5:c61ff680 r4:00000000 # [ 93.710221] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.717364] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c59a0000 r5:c61ff680 # [ 93.725197] r4:c61ff680 # [ 93.727740] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.734883] r9:c59a0000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000016 r4:00000016 # [ 93.742638] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.750212] Exception stack(0xc59a1fa8 to 0xc59a1ff0) # [ 93.755273] 1fa0: 00000016 00000016 00000001 b6e02000 00000016 00000000 # [ 93.763458] 1fc0: 00000016 00000016 b6f49e00 00000004 00000001 00000000 00020000 beac1a64 # [ 93.771640] 1fe0: 00000004 beac1798 b6eb44cf b6e3a7e6 # [ 93.776737] irq event stamp: 0 # [ 93.779839] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.785430] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.792999] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 93.800535] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.806121] ---[ end trace 64ef18afca51f196 ]--- # [ 93.810778] l[ 94.225792] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW kdtm: Overflow detected: saturate[ 94.233636] lkdtm: attempting bad refcount_inc_not_zero() overflow d # REFCOUNT_ADD_OVERFLOW: missi[ 94.242614] ------------[ cut here ]------------ ng 'call trace:': [FAIL] not ok [ 94.250124] WARNING: CPU: 2 PID: 2680 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 43 selftests: lkdtm: REFCOUNT_ADD[ 94.261359] refcount_t: saturated; leaking memory. _OVERFLOW.sh # exit=1 # selftest[ 94.269005] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 s: lkdtm: REFCOUNT_INC_NOT_ZERO_O[ 94.300741] CPU: 2 PID: 2680 Comm: cat Tainted: G D W 5.10.172-cip27 #1 VERFLOW.s[h 94.311308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.318876] Backtrace: [ 94.321348] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 94.328927] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 94.334598] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 94.341922] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 94.348893] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c [ 94.356647] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 94.364136] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c597a000 [ 94.369807] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 94.378774] r9:c1acc9b8 r8:c15e88e4 r7:c597bf60 r6:0000001f r5:c5d8a000 r4:7fffffff [ 94.386533] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 94.396982] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 94.408636] r5:c5d8a000 r4:c597a000 [ 94.412226] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 94.422143] r4:0000002d [ 94.424688] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 94.432706] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 94.440630] r9:c597bf60 r8:c3025d80 r7:0000001f r6:b6e17000 r5:c63cba40 r4:c0c35778 [ 94.448387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 94.456225] r9:c07e17e8 r8:c597bf60 r7:c2815800 r6:b6e17000 r5:c63cba40 r4:00000000 [ 94.463975] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 94.471119] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c597a000 r5:c63cba40 [ 94.478951] r4:c63cba40 [ 94.481495] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 94.488638] r9:c597a000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:0000001f r4:0000001f [ 94.496391] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 94.503964] Exception stack(0xc597bfa8 to 0xc597bff0) [ 94.509025] bfa0: 0000001f 0000001f 00000001 b6e17000 0000001f 00000000 [ 94.517209] bfc0: 0000001f 0000001f b6f5ee00 00000004 00000001 00000000 00020000 beef0a64 [ 94.525394] bfe0: 00000004 beef0798 b6ec94cf b6e4f7e6 [ 94.530518] irq event stamp: 0 [ 94.533591] hardirqs last enabled at (0): [<00000000>] 0x0 [ 94.539181] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 94.546732] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 94.554292] softirqs last disabled at (0): [<00000000>] 0x0 [ 94.559909] ---[ end trace 64ef18afca51f197 ]--- [ 94.564544] lkdtm: Overflow detected: saturated # [ 94.225792] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 94.233636] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 94.242614] ------------[ cut here ]------------ # [ 94.250124] WARNING: CPU: 2 PID: 2680 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 94.261359] refcount_t: saturated; leaking memory. # [ 94.269005] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.300741] CPU: 2 PID: 2680 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 94.311308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.318876] Backtrace: # [ 94.321348] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.328927] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 94.334598] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.341922] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.348893] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c # [ 94.356647] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.364136] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c597a000 # [ 94.369807] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 94.378774] r9:c1acc9b8 r8:c15e88e4 r7:c597bf60 r6:0000001f r5:c5d8a000 r4:7fffffff # [ 94.386533] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 94.396982] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 94.408636] r5:c5d8a000 r4:c597a000 # [ 94.412226] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.422143] r4:0000002d # [ 94.424688] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.432706] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.440630] r9:c597bf60 r8:c3025d80 r7:0000001f r6:b6e17000 r5:c63cba40 r4:c0c35778 # [ 94.448387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 94.456225] r9:c07e17e8 r8:c597bf60 r7:c2815800 r6:b6e17000 r5:c63cba40 r4:00000000 # [ 94.463975] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.471119] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c597a000 r5:c63cba40 # [ 94.478951] r4:c63cba40 # [ 94.481495] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.488638] r9:c597a000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:0000001f r4:0000001f # [ 94.496391] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.503964] Exception stack(0xc597bfa8 to 0xc597bff0) # [ 94.509025] bfa0: 0000001f 0000001f 00000001 b6e17000 0000001f 00000000 # [ 94.517209] bfc0: 0000001f 0000001f b6f5ee00 00000004 00000001 00000000 00020000 beef0a64 # [ 94.525394] bfe0: 00000004 beef0798 b6ec94cf b6e4f7e6 # [ 94.530518] irq event stamp: 0 # [ 94.533591] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.539181] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 94.546732] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 94.554292] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.559909] ---[ end trace 64ef18afca51f197 ]--- # [ 94.564544] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO[ 94.999804] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW _OVERFLOW.sh [ 95.009089] lkdtm: attempting bad refcount_add_not_zero() overflow [ 95.016592] ------------[ cut here ]------------ [ 95.021324] WARNING: CPU: 1 PID: 2714 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 95.029852] refcount_t: saturated; leaking memory. [ 95.034688] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 95.064216] CPU: 1 PID: 2714 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 95.071966] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.078499] Backtrace: [ 95.080973] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.088552] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 95.094225] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.101550] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 95.108521] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c [ 95.116275] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 95.123763] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5a92000 [ 95.129435] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 95.138401] r9:c1acc9d8 r8:c15e88e4 r7:c5a93f60 r6:0000001f r5:c5d99000 r4:7fffffff [ 95.146161] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 95.156608] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 95.168262] r5:c5d99000 r4:c5a92000 [ 95.171850] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.181767] r4:0000002e [ 95.184312] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.192329] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.200255] r9:c5a93f60 r8:c3025d80 r7:0000001f r6:b6e45000 r5:c5a697c0 r4:c0c35778 [ 95.208012] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 95.215851] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e45000 r5:c5a697c0 r4:00000000 [ 95.223601] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.230744] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c5a92000 r5:c5a697c0 [ 95.238576] r4:c5a697c0 [ 95.241119] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.248263] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000001f r4:0000001f [ 95.256017] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.263591] Exception stack(0xc5a93fa8 to 0xc5a93ff0) [ 95.268653] 3fa0: 0000001f 0000001f 00000001 b6e45000 0000001f 00000000 [ 95.276838] 3fc0: 0000001f 0000001f b6f8ce00 00000004 00000001 00000000 00020000 beb16a64 [ 95.285021] 3fe0: 00000004 beb16798 b6ef74cf b6e7d7e6 [ 95.290110] irq event stamp: 0 [ 95.293185] hardirqs last enabled at (0): [<00000000>] 0x0 [ 95.298773] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 95.306335] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 95.313883] softirqs last disabled at (0): [<00000000>] 0x0 [ 95.319481] ---[ end trace 64ef18afca51f198 ]--- [ 95.324154] lkdtm: Overflow detected: saturated # [ 94.999804] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 95.009089] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 95.016592] ------------[ cut here ]------------ # [ 95.021324] WARNING: CPU: 1 PID: 2714 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 95.029852] refcount_t: saturated; leaking memory. # [ 95.034688] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.064216] CPU: 1 PID: 2714 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 95.071966] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.078499] Backtrace: # [ 95.080973] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.088552] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 95.094225] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.101550] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.108521] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c # [ 95.116275] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.123763] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5a92000 # [ 95.129435] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 95.138401] r9:c1acc9d8 r8:c15e88e4 r7:c5a93f60 r6:0000001f r5:c5d99000 r4:7fffffff # [ 95.146161] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 95.156608] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 95.168262] r5:c5d99000 r4:c5a92000 # [ 95.171850] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.181767] r4:0000002e # [ 95.184312] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.192329] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.200255] r9:c5a93f60 r8:c3025d80 r7:0000001f r6:b6e45000 r5:c5a697c0 r4:c0c35778 # [ 95.208012] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.215851] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e45000 r5:c5a697c0 r4:00000000 # [ 95.223601] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.230744] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c5a92000 r5:c5a697c0 # [ 95.238576] r4:c5a697c0 # [ 95.241119] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.248263] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000001f r4:0000001f # [ 95.256017] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.263591] Exception stack(0xc5a93fa8 to 0xc5a93ff0) # [ 95.268653] 3fa0: 0000001f 0000001f 00000001 b6e45000 0000001f 00000000 # [ 95.276838] 3fc0: 0000001f 0000001f b6f8ce00 00000004 00000001 00000000 00020000 beb16a64 # [ 95.285021] 3fe0: 00000004 beb16798 b6ef74cf b6e7d7e6 # [ 95.290110] irq event stamp: 0 # [ 95.293185] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.298773] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.306335] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 95.313883] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.319481] ---[ end trace 64ef18afca51f198 ]--- # [ 95.324154] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 95.763045] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 95.769323] lkdtm: attempting good refcount_dec() [ 95.774118] lkdtm: attempting bad refcount_dec() to zero [ 95.779447] ------------[ cut here ]------------ [ 95.784152] WARNING: CPU: 3 PID: 2748 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 95.792653] refcount_t: decrement hit 0; leaking memory. [ 95.797982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 95.827219] CPU: 3 PID: 2748 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 95.834973] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.841508] Backtrace: [ 95.843986] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.851572] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 95.857249] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.864578] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 95.871552] r9:00000009 r8:c0873d1c r7:0000001f r6:00000009 r5:c0873d1c r4:c1a20a0c [ 95.879311] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 95.886805] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c5a92000 [ 95.892479] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 95.901448] r9:c1acc9f8 r8:c15e88e4 r7:c5a93f60 r6:00000012 r5:c5d8e000 r4:c5a92000 [ 95.909212] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 95.918883] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 95.928640] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.937432] r4:0000002f [ 95.939980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.948001] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.955931] r9:c5a93f60 r8:c3025d80 r7:00000012 r6:b6e14000 r5:c5959180 r4:c0c35778 [ 95.963693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 95.971535] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e14000 r5:c5959180 r4:00000000 [ 95.979290] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.986437] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5a92000 r5:c5959180 [ 95.994274] r4:c5959180 [ 95.996822] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.003972] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:00000012 r4:00000012 [ 96.011731] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.019309] Exception stack(0xc5a93fa8 to 0xc5a93ff0) [ 96.024375] 3fa0: 00000012 00000012 00000001 b6e14000 00000012 00000000 [ 96.032564] 3fc0: 00000012 00000012 b6f5be00 00000004 00000001 00000000 00020000 bedb5a64 [ 96.040750] 3fe0: 00000004 bedb5798 b6ec64cf b6e4c7e6 [ 96.045894] irq event stamp: 0 [ 96.048974] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.054602] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 96.062148] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 96.069677] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.075317] ---[ end trace 64ef18afca51f199 ]--- [ 96.079984] lkdtm: Zero detected: saturated # [ 95.763045] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 95.769323] lkdtm: attempting good refcount_dec() # [ 95.774118] lkdtm: attempting bad refcount_dec() to zero # [ 95.779447] ------------[ cut here ]------------ # [ 95.784152] WARNING: CPU: 3 PID: 2748 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 95.792653] refcount_t: decrement hit 0; leaking memory. # [ 95.797982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.827219] CPU: 3 PID: 2748 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 95.834973] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.841508] Backtrace: # [ 95.843986] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.851572] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 95.857249] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.864578] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.871552] r9:00000009 r8:c0873d1c r7:0000001f r6:00000009 r5:c0873d1c r4:c1a20a0c # [ 95.879311] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.886805] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c5a92000 # [ 95.892479] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 95.901448] r9:c1acc9f8 r8:c15e88e4 r7:c5a93f60 r6:00000012 r5:c5d8e000 r4:c5a92000 # [ 95.909212] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 95.918883] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 95.928640] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.937432] r4:0000002f # [ 95.939980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.948001] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.955931] r9:c5a93f60 r8:c3025d80 r7:00000012 r6:b6e14000 r5:c5959180 r4:c0c35778 # [ 95.963693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.971535] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e14000 r5:c5959180 r4:00000000 # [ 95.979290] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.986437] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5a92000 r5:c5959180 # [ 95.994274] r4:c5959180 # [ 95.996822] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.003972] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:00000012 r4:00000012 # [ 96.011731] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.019309] Exception stack(0xc5a93fa8 to 0xc5a93ff0) # [ 96.024375] 3fa0: 00000012 00000012 00000001 b6e14000 00000012 00000000 # [ 96.032564] 3fc0: 00000012 00000012 b6f5be00 00000004 00000001 00000000 00020000 bedb5a64 # [ 96.040750] 3fe0: 00000004 bedb5798 b6ec64cf b6e4c7e6 # [ 96.045894] irq event stamp: 0 # [ 96.048974] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.054602] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.062148] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.069677] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.075317] ---[ end trace 64ef18af[ 96.498875] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ca51f199 ]--- # [ 96.079984] l[ 96.506474] lkdtm: attempting bad refcount_dec() below zero kdtm: Zero detected: saturated #[ 96.514883] ------------[ cut here ]------------ REFCOUNT_DEC_ZERO: missing 'call[ 96.522441] WARNING: CPU: 0 PID: 2785 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 trace:': [FAIL] not ok 46 selft[ 96.535218] refcount_t: decrement hit 0; leaking memory. ests: lkdtm: REFCOUNT_DEC_ZERO.sh[ 96.542094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # exit=1 # selftests: lkdtm: RE[ 96.573698] CPU: 0 PID: 2785 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 96.584255] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 96.590789] Backtrace: [ 96.593271] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 96.600857] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 96.606534] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.613864] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.620839] r9:00000009 r8:c0873d1c r7:0000001f r6:00000009 r5:c0873d1c r4:c1a20a0c [ 96.628599] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.636091] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c5a92000 [ 96.641767] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 96.650738] r9:c1acca0c r8:c15e88e4 r7:c5a93f60 r6:00000016 r5:00000000 r4:c5a92000 [ 96.658503] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 96.668175] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 96.678281] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 96.687422] r5:c5e19000 r4:00000030 [ 96.691012] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.699033] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 96.706962] r9:c5a93f60 r8:c3025d80 r7:00000016 r6:b6e3f000 r5:c61fe8c0 r4:c0c35778 [ 96.714724] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 96.722566] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e3f000 r5:c61fe8c0 r4:00000000 [ 96.730323] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 96.737470] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c5a92000 r5:c61fe8c0 [ 96.745306] r4:c61fe8c0 [ 96.747855] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.755003] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000016 r4:00000016 [ 96.762762] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.770340] Exception stack(0xc5a93fa8 to 0xc5a93ff0) [ 96.775405] 3fa0: 00000016 00000016 00000001 b6e3f000 00000016 00000000 [ 96.783593] 3fc0: 00000016 00000016 b6f86e00 00000004 00000001 00000000 00020000 be971a64 [ 96.791778] 3fe0: 00000004 be971798 b6ef14cf b6e777e6 FCOUNT_DEC_NEGATIVE.sh [ 96.796905] irq event stamp: 0 [ 96.802057] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.807652] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 96.815190] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 96.822723] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.828311] ---[ end trace 64ef18afca51f19a ]--- [ 96.832972] lkdtm: Negative detected: saturated # [ 96.498875] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 96.506474] lkdtm: attempting bad refcount_dec() below zero # [ 96.514883] ------------[ cut here ]------------ # [ 96.522441] WARNING: CPU: 0 PID: 2785 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 96.535218] refcount_t: decrement hit 0; leaking memory. # [ 96.542094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.573698] CPU: 0 PID: 2785 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 96.584255] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.590789] Backtrace: # [ 96.593271] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.600857] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 96.606534] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.613864] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.620839] r9:00000009 r8:c0873d1c r7:0000001f r6:00000009 r5:c0873d1c r4:c1a20a0c # [ 96.628599] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.636091] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c5a92000 # [ 96.641767] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 96.650738] r9:c1acca0c r8:c15e88e4 r7:c5a93f60 r6:00000016 r5:00000000 r4:c5a92000 # [ 96.658503] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 96.668175] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 96.678281] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.687422] r5:c5e19000 r4:00000030 # [ 96.691012] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.699033] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.706962] r9:c5a93f60 r8:c3025d80 r7:00000016 r6:b6e3f000 r5:c61fe8c0 r4:c0c35778 # [ 96.714724] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.722566] r9:c07e17e8 r8:c5a93f60 r7:c2815800 r6:b6e3f000 r5:c61fe8c0 r4:00000000 # [ 96.730323] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.737470] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c5a92000 r5:c61fe8c0 # [ 96.745306] r4:c61fe8c0 # [ 96.747855] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.755003] r9:c5a92000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000016 r4:00000016 # [ 96.762762] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.770340] Exception stack(0xc5a93fa8 to 0xc5a93ff0) # [ 96.775405] 3fa0: 00000016 00000016 00000001 b6e3f000 00000016 00000000 # [ 96.783593] 3fc0: 00000016 00000016 b6f86e00 00000004 00000001 00000000 00020000 be971a64 # [ 96.791778] 3fe0: 00000004 be971798 b6ef14cf b6e777e6 # [ 96.796905] irq event stamp: 0 # [ 96.802057] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.807652] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.815190] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.822723] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.828311] ---[ end trace 64ef18afca51f19a ]--- # [ 96.832972] 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 [ 97.260333] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 97.268817] lkdtm: attempting bad refcount_dec_and_test() below zero [ 97.275368] ------------[ cut here ]------------ [ 97.280167] WARNING: CPU: 1 PID: 2820 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 97.288763] refcount_t: underflow; use-after-free. [ 97.293671] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 97.323306] CPU: 1 PID: 2820 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 97.331060] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.337593] Backtrace: [ 97.340067] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.347646] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 97.353318] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.360642] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 97.367612] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c [ 97.375366] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 97.382857] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5a30000 [ 97.388530] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 97.397582] r9:c1acca24 r8:c15e88e4 r7:c5a31f60 r6:0000001f r5:00000000 r4:c5a30000 [ 97.405340] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 97.415792] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 97.427453] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.437373] r5:c5d98000 r4:00000031 [ 97.440957] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.448976] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.456900] r9:c5a31f60 r8:c3025d80 r7:0000001f r6:b6e01000 r5:c5abb540 r4:c0c35778 [ 97.464656] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.472495] r9:c07e17e8 r8:c5a31f60 r7:c2815800 r6:b6e01000 r5:c5abb540 r4:00000000 [ 97.480247] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.487390] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c5a30000 r5:c5abb540 [ 97.495224] r4:c5abb540 [ 97.497768] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.504914] r9:c5a30000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000001f r4:0000001f [ 97.512668] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.520242] Exception stack(0xc5a31fa8 to 0xc5a31ff0) [ 97.525304] 1fa0: 0000001f 0000001f 00000001 b6e01000 0000001f 00000000 [ 97.533489] 1fc0: 0000001f 0000001f b6f48e00 00000004 00000001 00000000 00020000 bec4ea64 [ 97.541673] 1fe0: 00000004 bec4e798 b6eb34cf b6e397e6 [ 97.546798] irq event stamp: 0 [ 97.549892] hardirqs last enabled at (0): [<00000000>] 0x0 [ 97.555482] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 97.563007] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 97.570531] softirqs last disabled at (0): [<00000000>] 0x0 [ 97.576116] ---[ end trace 64ef18afca51f19b ]--- [ 97.580774] lkdtm: Negative detected: saturated # [ 97.260333] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 97.268817] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 97.275368] ------------[ cut here ]------------ # [ 97.280167] WARNING: CPU: 1 PID: 2820 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 97.288763] refcount_t: underflow; use-after-free. # [ 97.293671] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.323306] CPU: 1 PID: 2820 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 97.331060] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.337593] Backtrace: # [ 97.340067] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.347646] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 97.353318] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.360642] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.367612] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c # [ 97.375366] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.382857] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5a30000 # [ 97.388530] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.397582] r9:c1acca24 r8:c15e88e4 r7:c5a31f60 r6:0000001f r5:00000000 r4:c5a30000 # [ 97.405340] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.415792] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 97.427453] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.437373] r5:c5d98000 r4:00000031 # [ 97.440957] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.448976] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.456900] r9:c5a31f60 r8:c3025d80 r7:0000001f r6:b6e01000 r5:c5abb540 r4:c0c35778 # [ 97.464656] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.472495] r9:c07e17e8 r8:c5a31f60 r7:c2815800 r6:b6e01000 r5:c5abb540 r4:00000000 # [ 97.480247] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.487390] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c5a30000 r5:c5abb540 # [ 97.495224] r4:c5abb540 # [ 97.497768] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.504914] r9:c5a30000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000001f r4:0000001f # [ 97.512668] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.520242] Exception stack(0xc5a31fa8 to 0xc5a31ff0) # [ 97.525304] 1fa0: 0000001f 0000001f 00000001 b6e01000 0000001f 00000000 # [ 97.533489] 1fc0: 0000001f 0000001f b6f48e00 00000004 00000001 00000000 00020000 bec4ea64 # [ 97.541673] 1fe0: 00000004 bec4e798 b6eb34cf b6e397e6 # [ 97.546798] irq event stamp: 0 # [ 97.549892] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.555482] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.563007] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.570531] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.576116] ---[ end trace 64ef18afca51f19b ]--- # [ 97.580774] 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 [ 98.034232] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 98.041167] lkdtm: attempting bad refcount_sub_and_test() below zero [ 98.047564] ------------[ cut here ]------------ [ 98.052276] WARNING: CPU: 2 PID: 2855 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 98.060944] refcount_t: underflow; use-after-free. [ 98.065784] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 98.094943] CPU: 2 PID: 2855 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 98.102695] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.109228] Backtrace: [ 98.111703] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.119282] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 98.124956] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.132280] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 98.139252] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c [ 98.147009] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 98.154499] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5b94000 [ 98.160169] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 98.169223] r9:c1acca44 r8:c15e88e4 r7:c5b95f60 r6:0000001f r5:c5bd6000 r4:c5b94000 [ 98.176981] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 98.187433] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 98.199095] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.209013] r4:00000032 [ 98.211557] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.219575] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.227499] r9:c5b95f60 r8:c3025d80 r7:0000001f r6:b6e95000 r5:c5c97040 r4:c0c35778 [ 98.235256] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 98.243093] r9:c07e17e8 r8:c5b95f60 r7:c2815800 r6:b6e95000 r5:c5c97040 r4:00000000 [ 98.250843] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.257986] r10:00000004 r9:00000000 r8:00000000 r7:b6e95000 r6:c5b94000 r5:c5c97040 [ 98.265819] r4:c5c97040 [ 98.268362] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.275505] r9:c5b94000 r8:c03002e4 r7:00000004 r6:b6fdce00 r5:0000001f r4:0000001f [ 98.283258] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.290833] Exception stack(0xc5b95fa8 to 0xc5b95ff0) [ 98.295893] 5fa0: 0000001f 0000001f 00000001 b6e95000 0000001f 00000000 [ 98.304080] 5fc0: 0000001f 0000001f b6fdce00 00000004 00000001 00000000 00020000 bee3ca64 [ 98.312265] 5fe0: 00000004 bee3c798 b6f474cf b6ecd7e6 [ 98.317389] irq event stamp: 0 [ 98.320486] hardirqs last enabled at (0): [<00000000>] 0x0 [ 98.326076] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 98.333643] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 98.341214] softirqs last disabled at (0): [<00000000>] 0x0 [ 98.346808] ---[ end trace 64ef18afca51f19c ]--- [ 98.351470] lkdtm: Negative detected: saturated # [ 98.034232] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 98.041167] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 98.047564] ------------[ cut here ]------------ # [ 98.052276] WARNING: CPU: 2 PID: 2855 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 98.060944] refcount_t: underflow; use-after-free. # [ 98.065784] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.094943] CPU: 2 PID: 2855 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 98.102695] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.109228] Backtrace: # [ 98.111703] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.119282] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 98.124956] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.132280] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.139252] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c # [ 98.147009] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.154499] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5b94000 # [ 98.160169] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 98.169223] r9:c1acca44 r8:c15e88e4 r7:c5b95f60 r6:0000001f r5:c5bd6000 r4:c5b94000 # [ 98.176981] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 98.187433] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 98.199095] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.209013] r4:00000032 # [ 98.211557] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.219575] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.227499] r9:c5b95f60 r8:c3025d80 r7:0000001f r6:b6e95000 r5:c5c97040 r4:c0c35778 # [ 98.235256] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 98.243093] r9:c07e17e8 r8:c5b95f60 r7:c2815800 r6:b6e95000 r5:c5c97040 r4:00000000 # [ 98.250843] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.257986] r10:00000004 r9:00000000 r8:00000000 r7:b6e95000 r6:c5b94000 r5:c5c97040 # [ 98.265819] r4:c5c97040 # [ 98.268362] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.275505] r9:c5b94000 r8:c03002e4 r7:00000004 r6:b6fdce00 r5:0000001f r4:0000001f # [ 98.283258] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.290833] Exception stack(0xc5b95fa8 to 0xc5b95ff0) # [ 98.295893] 5fa0: 0000001f 0000001f 00000001 b6e95000 0000001f 00000000 # [ 98.304080] 5fc0: 0000001f 0000001f b6fdce00 00000004 00000001 00000000 00020000 bee3ca64 # [ 98.312265] 5fe0: 00000004 bee3c798 b6f474cf b6ecd7e6 # [ 98.317389] irq event stamp: 0 # [ 98.320486] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.326076] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.333643] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 98.341214] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.346808] ---[ end trace 64ef18afca51f19c ]--- # [ 98.351470] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negativ[ 98.775801] lkdtm: Performing direct entry REFCOUNT_INC_ZERO e detected: saturated': ok ok 49[ 98.782888] lkdtm: attempting safe refcount_inc_not_zero() from zero selftests: lkdtm: REFCOUNT_SUB_A[ 98.792062] lkdtm: Good: zero detected ND_TEST_NEGATIVE.sh # selftests:[ 98.798658] lkdtm: Correctly stayed at zero lkdtm: REFCOUNT_INC_ZERO.sh [ 98.805738] lkdtm: attempting bad refcount_inc() from zero [ 98.813812] ------------[ cut here ]------------ [ 98.818455] WARNING: CPU: 1 PID: 2887 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 98.827020] refcount_t: addition on 0; use-after-free. [ 98.832197] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 98.861417] CPU: 1 PID: 2887 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 98.869167] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.875701] Backtrace: [ 98.878173] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.885751] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 98.891426] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.898749] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 98.905720] r9:00000009 r8:c0873db8 r7:00000019 r6:00000009 r5:c0873db8 r4:c1a20a0c [ 98.913476] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 98.920966] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c62e8000 [ 98.926636] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 98.935692] r9:c1acca64 r8:c15e88e4 r7:c62e9f60 r6:00000012 r5:00000000 r4:c62e8000 [ 98.943447] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 98.953116] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 98.962869] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.971658] r5:c5da0000 r4:00000033 [ 98.975243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.983261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.991186] r9:c62e9f60 r8:c3025d80 r7:00000012 r6:b6ded000 r5:c59a7040 r4:c0c35778 [ 98.998943] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 99.006780] r9:c07e17e8 r8:c62e9f60 r7:c2815800 r6:b6ded000 r5:c59a7040 r4:00000000 [ 99.014534] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.021677] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c62e8000 r5:c59a7040 [ 99.029510] r4:c59a7040 [ 99.032053] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.039199] r9:c62e8000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000012 r4:00000012 [ 99.046953] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.054527] Exception stack(0xc62e9fa8 to 0xc62e9ff0) [ 99.059589] 9fa0: 00000012 00000012 00000001 b6ded000 00000012 00000000 [ 99.067775] 9fc0: 00000012 00000012 b6f34e00 00000004 00000001 00000000 00020000 be9ada64 [ 99.075958] 9fe0: 00000004 be9ad798 b6e9f4cf b6e257e6 [ 99.081111] irq event stamp: 0 [ 99.084205] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.089830] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 99.097332] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 99.104859] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.110472] ---[ end trace 64ef18afca51f19d ]--- [ 99.115101] lkdtm: Zero detected: saturated # [ 98.775801] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 98.782888] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 98.792062] lkdtm: Good: zero detected # [ 98.798658] lkdtm: Correctly stayed at zero # [ 98.805738] lkdtm: attempting bad refcount_inc() from zero # [ 98.813812] ------------[ cut here ]------------ # [ 98.818455] WARNING: CPU: 1 PID: 2887 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 98.827020] refcount_t: addition on 0; use-after-free. # [ 98.832197] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.861417] CPU: 1 PID: 2887 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 98.869167] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.875701] Backtrace: # [ 98.878173] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.885751] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 98.891426] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.898749] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.905720] r9:00000009 r8:c0873db8 r7:00000019 r6:00000009 r5:c0873db8 r4:c1a20a0c # [ 98.913476] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.920966] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c62e8000 # [ 98.926636] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 98.935692] r9:c1acca64 r8:c15e88e4 r7:c62e9f60 r6:00000012 r5:00000000 r4:c62e8000 # [ 98.943447] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 98.953116] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 98.962869] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.971658] r5:c5da0000 r4:00000033 # [ 98.975243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.983261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.991186] r9:c62e9f60 r8:c3025d80 r7:00000012 r6:b6ded000 r5:c59a7040 r4:c0c35778 # [ 98.998943] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.006780] r9:c07e17e8 r8:c62e9f60 r7:c2815800 r6:b6ded000 r5:c59a7040 r4:00000000 # [ 99.014534] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.021677] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c62e8000 r5:c59a7040 # [ 99.029510] r4:c59a7040 # [ 99.032053] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.039199] r9:c62e8000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000012 r4:00000012 # [ 99.046953] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.054527] Exception stack(0xc62e9fa8 to 0xc62e9ff0) # [ 99.059589] 9fa0: 00000012 00000012 00000001 b6ded000 00000012 00000000 # [ 99.067775] 9fc0: 00000012 00000012 b6f34e00 00000004 00000001 00000000 00020000 be9ada64 # [ 99.075958] 9fe0: 00000004 be9ad798 b6e9f4cf b6e257e6 # [ 99.081111] irq event stamp: 0 # [ 99.084205] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.089830] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.097332] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.104859] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.110472] ---[ end trace 64ef18afca51f19d ]--- # [ 99.115101] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selfte[ 99.558071] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO sts: lkdtm: REFCOUNT_ADD_ZERO.sh [ 99.564545] lkdtm: attempting safe refcount_add_not_zero() from zero [ 99.573721] lkdtm: Good: zero detected [ 99.577505] lkdtm: Correctly stayed at zero [ 99.581874] lkdtm: attempting bad refcount_add() from zero [ 99.587441] ------------[ cut here ]------------ [ 99.592165] WARNING: CPU: 3 PID: 2921 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 99.600747] refcount_t: addition on 0; use-after-free. [ 99.605899] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 99.635070] CPU: 3 PID: 2921 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 99.642821] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.649353] Backtrace: [ 99.651826] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.659404] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 99.665076] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.672402] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.679372] r9:00000009 r8:c0873db8 r7:00000019 r6:00000009 r5:c0873db8 r4:c1a20a0c [ 99.687127] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.694616] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c5ace000 [ 99.700287] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 99.709342] r9:c1acca78 r8:c15e88e4 r7:c5acff60 r6:00000012 r5:00000000 r4:c5ace000 [ 99.717099] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 99.726769] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 99.736519] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.745310] r5:c5d90000 r4:00000034 [ 99.748896] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.756913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.764838] r9:c5acff60 r8:c3025d80 r7:00000012 r6:b6eb2000 r5:c5aba3c0 r4:c0c35778 [ 99.772596] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 99.780436] r9:c07e17e8 r8:c5acff60 r7:c2815800 r6:b6eb2000 r5:c5aba3c0 r4:00000000 [ 99.788187] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.795330] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5ace000 r5:c5aba3c0 [ 99.803164] r4:c5aba3c0 [ 99.805708] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.812853] r9:c5ace000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:00000012 r4:00000012 [ 99.820607] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.828181] Exception stack(0xc5acffa8 to 0xc5acfff0) [ 99.833242] ffa0: 00000012 00000012 00000001 b6eb2000 00000012 00000000 [ 99.841431] ffc0: 00000012 00000012 b6ff9e00 00000004 00000001 00000000 00020000 beb63a64 [ 99.849615] ffe0: 00000004 beb63798 b6f644cf b6eea7e6 [ 99.854729] irq event stamp: 0 [ 99.857804] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.863438] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 99.870974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 99.878481] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.884093] ---[ end trace 64ef18afca51f19e ]--- [ 99.888740] lkdtm: Zero detected: saturated # [ 99.558071] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 99.564545] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 99.573721] lkdtm: Good: zero detected # [ 99.577505] lkdtm: Correctly stayed at zero # [ 99.581874] lkdtm: attempting bad refcount_add() from zero # [ 99.587441] ------------[ cut here ]------------ # [ 99.592165] WARNING: CPU: 3 PID: 2921 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 99.600747] refcount_t: addition on 0; use-after-free. # [ 99.605899] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.635070] CPU: 3 PID: 2921 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 99.642821] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.649353] Backtrace: # [ 99.651826] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.659404] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 99.665076] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.672402] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.679372] r9:00000009 r8:c0873db8 r7:00000019 r6:00000009 r5:c0873db8 r4:c1a20a0c # [ 99.687127] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.694616] r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c5ace000 # [ 99.700287] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 99.709342] r9:c1acca78 r8:c15e88e4 r7:c5acff60 r6:00000012 r5:00000000 r4:c5ace000 # [ 99.717099] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 99.726769] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 99.736519] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.745310] r5:c5d90000 r4:00000034 # [ 99.748896] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.756913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.764838] r9:c5acff60 r8:c3025d80 r7:00000012 r6:b6eb2000 r5:c5aba3c0 r4:c0c35778 # [ 99.772596] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.780436] r9:c07e17e8 r8:c5acff60 r7:c2815800 r6:b6eb2000 r5:c5aba3c0 r4:00000000 # [ 99.788187] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.795330] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5ace000 r5:c5aba3c0 # [ 99.803164] r4:c5aba3c0 # [ 99.805708] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.812853] r9:c5ace000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:00000012 r4:00000012 # [ 99.820607] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.828181] Exception stack(0xc5acffa8 to 0xc5acfff0) # [ 99.833242] ffa0: 00000012 00000012 00000001 b6eb2000 00000012 00000000 # [ 99.841431] ffc0: 00000012 00000012 b6ff9e00 00000004 00000001 00000000 00020000 beb63a64 # [ 99.849615] ffe0: 00000004 beb63798 b6f644cf b6eea7e6 # [ 99.854729] irq event stamp: 0 # [ 99.857804] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.863438] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.870974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 99.878481] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.884093] ---[ end trace 64ef18afca51f19e ]--- # [ 99.888740] 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 [ 100.358273] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 100.364475] lkdtm: attempting bad refcount_inc() from saturated [ 100.370517] ------------[ cut here ]------------ [ 100.375168] WARNING: CPU: 0 PID: 2958 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 100.383668] refcount_t: saturated; leaking memory. [ 100.388477] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 100.417824] CPU: 0 PID: 2958 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 100.425579] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 100.432115] Backtrace: [ 100.434594] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 100.442177] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 100.447855] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 100.455187] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 100.462163] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c [ 100.469922] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 100.477415] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c633a000 [ 100.483091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 100.492062] r9:c1acca8c r8:c15e88e4 r7:c633bf60 r6:00000017 r5:c5e19000 r4:c633a000 [ 100.499823] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 100.509501] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 100.519693] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.528917] r4:00000035 [ 100.531465] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.539486] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.547413] r9:c633bf60 r8:c3025d80 r7:00000017 r6:b6df2000 r5:c614eb40 r4:c0c35778 [ 100.555175] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 100.563018] r9:c07e17e8 r8:c633bf60 r7:c2815800 r6:b6df2000 r5:c614eb40 r4:00000000 [ 100.570774] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.577921] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c633a000 r5:c614eb40 [ 100.585756] r4:c614eb40 [ 100.588304] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.595450] r9:c633a000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000017 r4:00000017 [ 100.603209] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.610787] Exception stack(0xc633bfa8 to 0xc633bff0) [ 100.615852] bfa0: 00000017 00000017 00000001 b6df2000 00000017 00000000 [ 100.624041] bfc0: 00000017 00000017 b6f39e00 00000004 00000001 00000000 00020000 beeeaa64 [ 100.632229] bfe0: 00000004 beeea798 b6ea44cf b6e2a7e6 [ 100.637339] irq event stamp: 0 [ 100.640447] hardirqs last enabled at (0): [<00000000>] 0x0 [ 100.646043] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 100.653600] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 100.661154] softirqs last disabled at (0): [<00000000>] 0x0 [ 100.666745] ---[ end trace 64ef18afca51f19f ]--- [ 100.671412] lkdtm: Saturation detected: still saturated # [ 100.358273] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 100.364475] lkdtm: attempting bad refcount_inc() from saturated # [ 100.370517] ------------[ cut here ]------------ # [ 100.375168] WARNING: CPU: 0 PID: 2958 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 100.383668] refcount_t: saturated; leaking memory. # [ 100.388477] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.417824] CPU: 0 PID: 2958 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 100.425579] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.432115] Backtrace: # [ 100.434594] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.442177] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 100.447855] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.455187] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.462163] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c # [ 100.469922] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.477415] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c633a000 # [ 100.483091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 100.492062] r9:c1acca8c r8:c15e88e4 r7:c633bf60 r6:00000017 r5:c5e19000 r4:c633a000 # [ 100.499823] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 100.509501] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 100.519693] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.528917] r4:00000035 # [ 100.531465] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.539486] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.547413] r9:c633bf60 r8:c3025d80 r7:00000017 r6:b6df2000 r5:c614eb40 r4:c0c35778 # [ 100.555175] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.563018] r9:c07e17e8 r8:c633bf60 r7:c2815800 r6:b6df2000 r5:c614eb40 r4:00000000 # [ 100.570774] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.577921] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c633a000 r5:c614eb40 # [ 100.585756] r4:c614eb40 # [ 100.588304] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.595450] r9:c633a000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000017 r4:00000017 # [ 100.603209] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.610787] Exception stack(0xc633bfa8 to 0xc633bff0) # [ 100.615852] bfa0: 00000017 00000017 00000001 b6df2000 00000017 00000000 # [ 100.624041] bfc0: 00000017 00000017 b6f39e00 00000004 00000001 00000000 00020000 beeeaa64 # [ 100.632229] bfe0: 00000004 beeea798 b6ea44cf b6e2a7e6 # [ 100.637339] irq event stamp: 0 # [ 100.640447] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.646043] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.653600] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 100.661154] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.666745] ---[ end trace 64ef18afca51f19f ]--- # [ 100.671412] 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 [ 101.131874] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 101.137994] lkdtm: attempting bad refcount_dec() from saturated [ 101.144007] ------------[ cut here ]------------ [ 101.148657] WARNING: CPU: 3 PID: 2993 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 101.157154] refcount_t: decrement hit 0; leaking memory. [ 101.162578] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 101.192083] CPU: 3 PID: 2993 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 101.199834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 101.206366] Backtrace: [ 101.208841] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 101.216422] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 101.222096] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 101.229419] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 101.236389] r9:00000009 r8:c0873d1c r7:0000001f r6:00000009 r5:c0873d1c r4:c1a20a0c [ 101.244145] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 101.251634] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c5b2a000 [ 101.257304] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 101.266270] r9:c1accaa4 r8:c15e88e4 r7:c5b2bf60 r6:00000017 r5:c5d90000 r4:c5b2a000 [ 101.274028] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 101.283695] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 101.293881] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 101.303103] r4:00000036 [ 101.305646] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 101.313663] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 101.321589] r9:c5b2bf60 r8:c3025d80 r7:00000017 r6:b6deb000 r5:c5abba40 r4:c0c35778 [ 101.329348] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 101.337187] r9:c07e17e8 r8:c5b2bf60 r7:c2815800 r6:b6deb000 r5:c5abba40 r4:00000000 [ 101.344938] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 101.352081] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5b2a000 r5:c5abba40 [ 101.359913] r4:c5abba40 [ 101.362456] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 101.369600] r9:c5b2a000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017 [ 101.377354] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 101.384928] Exception stack(0xc5b2bfa8 to 0xc5b2bff0) [ 101.389989] bfa0: 00000017 00000017 00000001 b6deb000 00000017 00000000 [ 101.398175] bfc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 bef4ca64 [ 101.406358] bfe0: 00000004 bef4c798 b6e9d4cf b6e237e6 [ 101.411469] irq event stamp: 0 [ 101.414542] hardirqs last enabled at (0): [<00000000>] 0x0 [ 101.420155] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 101.427667] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 101.435230] softirqs last disabled at (0): [<00000000>] 0x0 [ 101.440880] ---[ end trace 64ef18afca51f1a0 ]--- [ 101.445521] lkdtm: Saturation detected: still saturated # [ 101.131874] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 101.137994] lkdtm: attempting bad refcount_dec() from saturated # [ 101.144007] ------------[ cut here ]------------ # [ 101.148657] WARNING: CPU: 3 PID: 2993 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 101.157154] refcount_t: decrement hit 0; leaking memory. # [ 101.162578] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.192083] CPU: 3 PID: 2993 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 101.199834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.206366] Backtrace: # [ 101.208841] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.216422] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 101.222096] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.229419] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.236389] r9:00000009 r8:c0873d1c r7:0000001f r6:00000009 r5:c0873d1c r4:c1a20a0c # [ 101.244145] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.251634] r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c5b2a000 # [ 101.257304] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 101.266270] r9:c1accaa4 r8:c15e88e4 r7:c5b2bf60 r6:00000017 r5:c5d90000 r4:c5b2a000 # [ 101.274028] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 101.283695] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 101.293881] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.303103] r4:00000036 # [ 101.305646] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.313663] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.321589] r9:c5b2bf60 r8:c3025d80 r7:00000017 r6:b6deb000 r5:c5abba40 r4:c0c35778 # [ 101.329348] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.337187] r9:c07e17e8 r8:c5b2bf60 r7:c2815800 r6:b6deb000 r5:c5abba40 r4:00000000 # [ 101.344938] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.352081] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5b2a000 r5:c5abba40 # [ 101.359913] r4:c5abba40 # [ 101.362456] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.369600] r9:c5b2a000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017 # [ 101.377354] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.384928] Exception stack(0xc5b2bfa8 to 0xc5b2bff0) # [ 101.389989] bfa0: 00000017 00000017 00000001 b6deb000 00000017 00000000 # [ 101.398175] bfc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 bef4ca64 # [ 101.406358] bfe0: 00000004 bef4c798 b6e9d4cf b6e237e6 # [ 101.411469] irq event stamp: 0 # [ 101.414542] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.420155] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.427667] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 101.435230] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.440880] ---[ end trace 64ef18afca51f1a0 ]--- # [ 101.445521] 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 [ 101.902462] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 101.908581] lkdtm: attempting bad refcount_dec() from saturated [ 101.914573] ------------[ cut here ]------------ [ 101.919224] WARNING: CPU: 1 PID: 3028 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 101.927771] refcount_t: saturated; leaking memory. [ 101.932640] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 101.961817] CPU: 1 PID: 3028 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 101.969566] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 101.976100] Backtrace: [ 101.978573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 101.986153] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 101.991827] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 101.999151] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 102.006122] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c [ 102.013878] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 102.021366] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c5ed2000 [ 102.027037] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 102.036003] r9:c1accabc r8:c15e88e4 r7:c5ed3f60 r6:00000017 r5:c5da0000 r4:c5ed2000 [ 102.043760] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 102.053430] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 102.063616] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 102.072837] r4:00000037 [ 102.075381] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 102.083396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 102.091322] r9:c5ed3f60 r8:c3025d80 r7:00000017 r6:b6dff000 r5:c59a7e00 r4:c0c35778 [ 102.099078] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 102.106915] r9:c07e17e8 r8:c5ed3f60 r7:c2815800 r6:b6dff000 r5:c59a7e00 r4:00000000 [ 102.114666] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 102.121811] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c5ed2000 r5:c59a7e00 [ 102.129644] r4:c59a7e00 [ 102.132188] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 102.139331] r9:c5ed2000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017 [ 102.147086] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 102.154660] Exception stack(0xc5ed3fa8 to 0xc5ed3ff0) [ 102.159720] 3fa0: 00000017 00000017 00000001 b6dff000 00000017 00000000 [ 102.167904] 3fc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 bef29a64 [ 102.176088] 3fe0: 00000004 bef29798 b6eb14cf b6e377e6 [ 102.181206] irq event stamp: 0 [ 102.184279] hardirqs last enabled at (0): [<00000000>] 0x0 [ 102.189895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 102.197395] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 102.204938] softirqs last disabled at (0): [<00000000>] 0x0 [ 102.210556] ---[ end trace 64ef18afca51f1a1 ]--- [ 102.215188] lkdtm: Saturation detected: still saturated # [ 101.902462] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 101.908581] lkdtm: attempting bad refcount_dec() from saturated # [ 101.914573] ------------[ cut here ]------------ # [ 101.919224] WARNING: CPU: 1 PID: 3028 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 101.927771] refcount_t: saturated; leaking memory. # [ 101.932640] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 101.961817] CPU: 1 PID: 3028 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 101.969566] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.976100] Backtrace: # [ 101.978573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.986153] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 101.991827] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.999151] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.006122] r9:00000009 r8:c0873d84 r7:00000016 r6:00000009 r5:c0873d84 r4:c1a20a0c # [ 102.013878] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.021366] r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c5ed2000 # [ 102.027037] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 102.036003] r9:c1accabc r8:c15e88e4 r7:c5ed3f60 r6:00000017 r5:c5da0000 r4:c5ed2000 # [ 102.043760] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 102.053430] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 102.063616] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.072837] r4:00000037 # [ 102.075381] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.083396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.091322] r9:c5ed3f60 r8:c3025d80 r7:00000017 r6:b6dff000 r5:c59a7e00 r4:c0c35778 # [ 102.099078] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.106915] r9:c07e17e8 r8:c5ed3f60 r7:c2815800 r6:b6dff000 r5:c59a7e00 r4:00000000 # [ 102.114666] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.121811] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c5ed2000 r5:c59a7e00 # [ 102.129644] r4:c59a7e00 # [ 102.132188] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.139331] r9:c5ed2000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017 # [ 102.147086] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.154660] Exception stack(0xc5ed3fa8 to 0xc5ed3ff0) # [ 102.159720] 3fa0: 00000017 00000017 00000001 b6dff000 00000017 00000000 # [ 102.167904] 3fc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 bef29a64 # [ 102.176088] 3fe0: 00000004 bef29798 b6eb14cf b6e377e6 # [ 102.181206] irq event stamp: 0 # [ 102.184279] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.189895] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.197395] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.204938] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.210556] ---[ end trace 64ef18afca51f1a1 ]--- # [ 102.215188] 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 [ 102.673397] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 102.680374] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 102.687090] ------------[ cut here ]------------ [ 102.691793] WARNING: CPU: 3 PID: 3060 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 102.700287] refcount_t: saturated; leaking memory. [ 102.705095] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 102.734346] CPU: 3 PID: 3060 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 102.742101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 102.748637] Backtrace: [ 102.751117] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 102.758702] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 102.764380] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 102.771711] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 102.778686] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c [ 102.786444] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 102.793938] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c56000 [ 102.799615] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 102.808587] r9:c1accad4 r8:c15e88e4 r7:c5c57f60 r6:00000020 r5:c5d90000 r4:c0000000 [ 102.816354] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 102.826809] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 102.838554] r5:c5d90000 r4:c5c56000 [ 102.842151] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 102.852159] r4:00000038 [ 102.854707] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 102.862730] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 102.870659] r9:c5c57f60 r8:c3025d80 r7:00000020 r6:b6e97000 r5:c5c55a40 r4:c0c35778 [ 102.878422] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 102.886264] r9:c07e17e8 r8:c5c57f60 r7:c2815800 r6:b6e97000 r5:c5c55a40 r4:00000000 [ 102.894020] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 102.901167] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c5c56000 r5:c5c55a40 [ 102.909003] r4:c5c55a40 [ 102.911552] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 102.918702] r9:c5c56000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000020 r4:00000020 [ 102.926462] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 102.934041] Exception stack(0xc5c57fa8 to 0xc5c57ff0) [ 102.939107] 7fa0: 00000020 00000020 00000001 b6e97000 00000020 00000000 [ 102.947297] 7fc0: 00000020 00000020 b6fdee00 00000004 00000001 00000000 00020000 bede6a64 [ 102.955483] 7fe0: 00000004 bede6798 b6f494cf b6ecf7e6 [ 102.960618] irq event stamp: 0 [ 102.963698] hardirqs last enabled at (0): [<00000000>] 0x0 [ 102.969294] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 102.976831] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 102.984375] softirqs last disabled at (0): [<00000000>] 0x0 [ 102.989998] ---[ end trace 64ef18afca51f1a2 ]--- [ 102.994638] lkdtm: Saturation detected: still saturated # [ 102.673397] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 102.680374] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 102.687090] ------------[ cut here ]------------ # [ 102.691793] WARNING: CPU: 3 PID: 3060 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 102.700287] refcount_t: saturated; leaking memory. # [ 102.705095] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.734346] CPU: 3 PID: 3060 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 102.742101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.748637] Backtrace: # [ 102.751117] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.758702] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 102.764380] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.771711] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.778686] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c # [ 102.786444] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.793938] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c56000 # [ 102.799615] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 102.808587] r9:c1accad4 r8:c15e88e4 r7:c5c57f60 r6:00000020 r5:c5d90000 r4:c0000000 # [ 102.816354] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 102.826809] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 102.838554] r5:c5d90000 r4:c5c56000 # [ 102.842151] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.852159] r4:00000038 # [ 102.854707] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.862730] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.870659] r9:c5c57f60 r8:c3025d80 r7:00000020 r6:b6e97000 r5:c5c55a40 r4:c0c35778 # [ 102.878422] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.886264] r9:c07e17e8 r8:c5c57f60 r7:c2815800 r6:b6e97000 r5:c5c55a40 r4:00000000 # [ 102.894020] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.901167] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c5c56000 r5:c5c55a40 # [ 102.909003] r4:c5c55a40 # [ 102.911552] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.918702] r9:c5c56000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000020 r4:00000020 # [ 102.926462] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.934041] Exception stack(0xc5c57fa8 to 0xc5c57ff0) # [ 102.939107] 7fa0: 00000020 00000020 00000001 b6e97000 00000020 00000000 # [ 102.947297] 7fc0: 00000020 00000020 b6fdee00 00000004 00000001 00000000 00020000 bede6a64 # [ 102.955483] 7fe0: 00000004 bede6798 b6f494cf b6ecf7e6 # [ 102.960618] irq event stamp: 0 # [ 102.963698] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.969294] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.976831] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 102.984375] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.989998] ---[ end trace 64ef18afca51f1a2 ]--- # [ 102.994638] 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: R[ 103.457435] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED EFCOUNT_ADD_NOT_ZERO_SATURATED.sh[ 103.466570] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 103.476100] ------------[ cut here ]------------ [ 103.481037] WARNING: CPU: 0 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 103.489512] refcount_t: saturated; leaking memory. [ 103.494341] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 103.523567] CPU: 0 PID: 3094 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 103.531317] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 103.537848] Backtrace: [ 103.540323] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 103.547904] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 103.553577] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 103.560902] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 103.567874] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c [ 103.575628] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 103.583117] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c633a000 [ 103.588789] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 103.597755] r9:c1accaf4 r8:c15e88e4 r7:c633bf60 r6:00000020 r5:c5e1c000 r4:c0000000 [ 103.605516] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 103.615967] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 103.627708] r5:c5e1c000 r4:c633a000 [ 103.631299] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 103.641302] r4:00000039 [ 103.643845] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 103.651861] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 103.659788] r9:c633bf60 r8:c3025d80 r7:00000020 r6:b6e44000 r5:c405bb80 r4:c0c35778 [ 103.667548] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 103.675387] r9:c07e17e8 r8:c633bf60 r7:c2815800 r6:b6e44000 r5:c405bb80 r4:00000000 [ 103.683139] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 103.690283] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c633a000 r5:c405bb80 [ 103.698115] r4:c405bb80 [ 103.700658] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 103.707802] r9:c633a000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:00000020 r4:00000020 [ 103.715557] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 103.723132] Exception stack(0xc633bfa8 to 0xc633bff0) [ 103.728192] bfa0: 00000020 00000020 00000001 b6e44000 00000020 00000000 [ 103.736379] bfc0: 00000020 00000020 b6f8be00 00000004 00000001 00000000 00020000 be8b7a64 [ 103.744562] bfe0: 00000004 be8b7798 b6ef64cf b6e7c7e6 [ 103.749655] irq event stamp: 0 [ 103.752752] hardirqs last enabled at (0): [<00000000>] 0x0 [ 103.758341] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 103.765880] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 103.773425] softirqs last disabled at (0): [<00000000>] 0x0 [ 103.779013] ---[ end trace 64ef18afca51f1a3 ]--- [ 103.783668] lkdtm: Saturation detected: still saturated # [ 103.457435] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 103.466570] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 103.476100] ------------[ cut here ]------------ # [ 103.481037] WARNING: CPU: 0 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 103.489512] refcount_t: saturated; leaking memory. # [ 103.494341] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 103.523567] CPU: 0 PID: 3094 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 103.531317] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.537848] Backtrace: # [ 103.540323] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.547904] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 103.553577] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.560902] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 103.567874] r9:00000009 r8:c0873d50 r7:00000013 r6:00000009 r5:c0873d50 r4:c1a20a0c # [ 103.575628] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 103.583117] r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c633a000 # [ 103.588789] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 103.597755] r9:c1accaf4 r8:c15e88e4 r7:c633bf60 r6:00000020 r5:c5e1c000 r4:c0000000 # [ 103.605516] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 103.615967] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 103.627708] r5:c5e1c000 r4:c633a000 # [ 103.631299] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.641302] r4:00000039 # [ 103.643845] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.651861] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.659788] r9:c633bf60 r8:c3025d80 r7:00000020 r6:b6e44000 r5:c405bb80 r4:c0c35778 # [ 103.667548] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.675387] r9:c07e17e8 r8:c633bf60 r7:c2815800 r6:b6e44000 r5:c405bb80 r4:00000000 # [ 103.683139] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.690283] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c633a000 r5:c405bb80 # [ 103.698115] r4:c405bb80 # [ 103.700658] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.707802] r9:c633a000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:00000020 r4:00000020 # [ 103.715557] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.723132] Exception stack(0xc633bfa8 to 0xc633bff0) # [ 103.728192] bfa0: 00000020 00000020 00000001 b6e44000 00000020 00000000 # [ 103.736379] bfc0: 00000020 00000020 b6f8be00 00000004 00000001 00000000 00020000 be8b7a64 # [ 103.744562] bfe0: 00000004 be8b7798 b6ef64cf b6e7c7e6 # [ 103.749655] irq event stamp: 0 # [ 103.752752] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.758341] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.765880] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 103.773425] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.779013] ---[ end trace 64ef18afca51f1a3 ]--- # [ 103.783668] 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 [ 104.265534] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 104.272562] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 104.279308] ------------[ cut here ]------------ [ 104.284012] WARNING: CPU: 2 PID: 3131 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 104.292690] refcount_t: underflow; use-after-free. [ 104.297520] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 104.326679] CPU: 2 PID: 3131 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 104.334429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 104.340962] Backtrace: [ 104.343434] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 104.351013] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 104.356687] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 104.364012] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 104.370983] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c [ 104.378742] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 104.386232] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5a46000 [ 104.391903] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 104.400956] r9:c1accb14 r8:c15e88e4 r7:c5a47f60 r6:00000020 r5:c5a43000 r4:c5a46000 [ 104.408714] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 104.419166] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 104.430914] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 104.440919] r4:0000003a [ 104.443462] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 104.451480] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 104.459405] r9:c5a47f60 r8:c3025d80 r7:00000020 r6:b6e8f000 r5:c5c08640 r4:c0c35778 [ 104.467163] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 104.475001] r9:c07e17e8 r8:c5a47f60 r7:c2815800 r6:b6e8f000 r5:c5c08640 r4:00000000 [ 104.482753] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 104.489897] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c5a46000 r5:c5c08640 [ 104.497729] r4:c5c08640 [ 104.500274] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 104.507418] r9:c5a46000 r8:c03002e4 r7:00000004 r6:b6fd6e00 r5:00000020 r4:00000020 [ 104.515171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 104.522747] Exception stack(0xc5a47fa8 to 0xc5a47ff0) [ 104.527807] 7fa0: 00000020 00000020 00000001 b6e8f000 00000020 00000000 [ 104.535992] 7fc0: 00000020 00000020 b6fd6e00 00000004 00000001 00000000 00020000 be91ba64 [ 104.544174] 7fe0: 00000004 be91b798 b6f414cf b6ec77e6 [ 104.549297] irq event stamp: 0 [ 104.552394] hardirqs last enabled at (0): [<00000000>] 0x0 [ 104.557983] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 104.565526] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 104.573068] softirqs last disabled at (0): [<00000000>] 0x0 [ 104.578655] ---[ end trace 64ef18afca51f1a4 ]--- [ 104.583318] lkdtm: Saturation detected: still saturated # [ 104.265534] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 104.272562] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 104.279308] ------------[ cut here ]------------ # [ 104.284012] WARNING: CPU: 2 PID: 3131 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 104.292690] refcount_t: underflow; use-after-free. # [ 104.297520] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.326679] CPU: 2 PID: 3131 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 104.334429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.340962] Backtrace: # [ 104.343434] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.351013] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 104.356687] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.364012] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.370983] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c # [ 104.378742] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.386232] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5a46000 # [ 104.391903] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 104.400956] r9:c1accb14 r8:c15e88e4 r7:c5a47f60 r6:00000020 r5:c5a43000 r4:c5a46000 # [ 104.408714] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 104.419166] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 104.430914] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.440919] r4:0000003a # [ 104.443462] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.451480] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.459405] r9:c5a47f60 r8:c3025d80 r7:00000020 r6:b6e8f000 r5:c5c08640 r4:c0c35778 # [ 104.467163] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.475001] r9:c07e17e8 r8:c5a47f60 r7:c2815800 r6:b6e8f000 r5:c5c08640 r4:00000000 # [ 104.482753] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.489897] r10:00000004 r9:00000000 r8:00000000 r7:b6e8f000 r6:c5a46000 r5:c5c08640 # [ 104.497729] r4:c5c08640 # [ 104.500274] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.507418] r9:c5a46000 r8:c03002e4 r7:00000004 r6:b6fd6e00 r5:00000020 r4:00000020 # [ 104.515171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.522747] Exception stack(0xc5a47fa8 to 0xc5a47ff0) # [ 104.527807] 7fa0: 00000020 00000020 00000001 b6e8f000 00000020 00000000 # [ 104.535992] 7fc0: 00000020 00000020 b6fd6e00 00000004 00000001 00000000 00020000 be91ba64 # [ 104.544174] 7fe0: 00000004 be91b798 b6f414cf b6ec77e6 # [ 104.549297] irq event stamp: 0 # [ 104.552394] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.557983] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.565526] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 104.573068] softirqs last disabled at (0): [<00000000>] 0x0 # [ 104.578655] ---[ end trace 64ef18afca51f1a4 ]--- # [ 104.583318] 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 [ 105.042935] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 105.049885] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 105.056603] ------------[ cut here ]------------ [ 105.061312] WARNING: CPU: 0 PID: 3166 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 105.069922] refcount_t: underflow; use-after-free. [ 105.074731] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 [ 105.103975] CPU: 0 PID: 3166 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 105.111729] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 105.118265] Backtrace: [ 105.120747] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 105.128330] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 105.134006] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 105.141338] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 105.148314] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c [ 105.156074] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 105.163568] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c59a0000 [ 105.169244] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 105.178302] r9:c1accb34 r8:c15e88e4 r7:c59a1f60 r6:00000020 r5:c5cba000 r4:c59a0000 [ 105.186066] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 105.196525] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 105.208279] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.218285] r4:0000003b [ 105.220833] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.228855] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 105.236786] r9:c59a1f60 r8:c3025d80 r7:00000020 r6:b6e3a000 r5:c405b680 r4:c0c35778 [ 105.244550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 105.252394] r9:c07e17e8 r8:c59a1f60 r7:c2815800 r6:b6e3a000 r5:c405b680 r4:00000000 [ 105.260149] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.267298] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c59a0000 r5:c405b680 [ 105.275133] r4:c405b680 [ 105.277682] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.284830] r9:c59a0000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000020 r4:00000020 [ 105.292587] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.300164] Exception stack(0xc59a1fa8 to 0xc59a1ff0) [ 105.305231] 1fa0: 00000020 00000020 00000001 b6e3a000 00000020 00000000 [ 105.313420] 1fc0: 00000020 00000020 b6f81e00 00000004 00000001 00000000 00020000 be971a64 [ 105.321607] 1fe0: 00000004 be971798 b6eec4cf b6e727e6 [ 105.326702] irq event stamp: 0 [ 105.329804] hardirqs last enabled at (0): [<00000000>] 0x0 [ 105.335398] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 105.342928] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 105.350454] softirqs last disabled at (0): [<00000000>] 0x0 [ 105.356043] ---[ end trace 64ef18afca51f1a5 ]--- [ 105.360701] lkdtm: Saturation detected: still saturated # [ 105.042935] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 105.049885] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 105.056603] ------------[ cut here ]------------ # [ 105.061312] WARNING: CPU: 0 PID: 3166 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 105.069922] refcount_t: underflow; use-after-free. # [ 105.074731] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display can_dev imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.103975] CPU: 0 PID: 3166 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 105.111729] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.118265] Backtrace: # [ 105.120747] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.128330] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 105.134006] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.141338] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 105.148314] r9:00000009 r8:c0873dec r7:0000001c r6:00000009 r5:c0873dec r4:c1a20a0c # [ 105.156074] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.163568] r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c59a0000 # [ 105.169244] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 105.178302] r9:c1accb34 r8:c15e88e4 r7:c59a1f60 r6:00000020 r5:c5cba000 r4:c59a0000 # [ 105.186066] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 105.196525] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 105.208279] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.218285] r4:0000003b # [ 105.220833] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.228855] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.236786] r9:c59a1f60 r8:c3025d80 r7:00000020 r6:b6e3a000 r5:c405b680 r4:c0c35778 # [ 105.244550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.252394] r9:c07e17e8 r8:c59a1f60 r7:c2815800 r6:b6e3a000 r5:c405b680 r4:00000000 # [ 105.260149] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.267298] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c59a0000 r5:c405b680 # [ 105.275133] r4:c405b680 # [ 105.277682] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.284830] r9:c59a0000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000020 r4:00000020 # [ 105.292587] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.300164] Exception stack(0xc59a1fa8 to 0xc59a1ff0) # [ 105.305231] 1fa0: 00000020 00000020 00000001 b6e3a000 00000020 00000000 # [ 105.313420] 1fc0: 00000020 00000020 b6f81e00 00000004 00000001 00000000 00020000 be971a64 # [ 105.321607] 1fe0: 00000004 be971798 b6eec4cf b6e727e6 # [ 105.326702] irq event stamp: 0 # [ 105.329804] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.335398] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.342928] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 105.350454] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.356043] ---[ end trace 64ef18afca51f1a5 ]--- # [ 105.360701] 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 [ 106.212701] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 106.218744] lkdtm: attempting good copy_to_user of correct size [ 106.224910] lkdtm: attempting bad copy_to_user of too large size # [ 106.212701] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 106.218744] lkdtm: attempting good copy_to_user of correct size # [ 106.224910] 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 [ 106.669948] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 106.676165] lkdtm: attempting good copy_from_user of correct size [ 106.682364] lkdtm: attempting bad copy_from_user of too large size # [ 106.669948] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 106.676165] lkdtm: attempting good copy_from_user of correct size # [ 106.682364] 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 [ 107.129169] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 107.135745] lkdtm: attempting good copy_to_user inside whitelist [ 107.141965] lkdtm: attempting bad copy_to_user outside whitelist # [ 107.129169] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 107.135745] lkdtm: attempting good copy_to_user inside whitelist # [ 107.141965] 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 [ 107.578405] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 107.585274] lkdtm: attempting good copy_from_user inside whitelist [ 107.591588] lkdtm: attempting bad copy_from_user outside whitelist # [ 107.578405] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 107.585274] lkdtm: attempting good copy_from_user inside whitelist # [ 107.591588] 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 [ 108.028725] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 108.034973] lkdtm: good_stack: c5a93e0c-c5a93e2c [ 108.039602] lkdtm: bad_stack : c5a93d84-c5a93da4 [ 108.044293] lkdtm: attempting good copy_to_user of local stack [ 108.050219] lkdtm: attempting bad copy_to_user of distant stack # [ 108.028725] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 108.034973] lkdtm: good_stack: c5a93e0c-c5a93e2c # [ 108.039602] lkdtm: bad_stack : c5a93d84-c5a93da4 # [ 108.044293] lkdtm: attempting good copy_to_user of local stack # [ 108.050219] 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 [ 108.460838] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 108.467218] lkdtm: good_stack: c5a93e0c-c5a93e2c [ 108.471923] lkdtm: bad_stack : c5a93d84-c5a93da4 [ 108.476567] lkdtm: attempting good copy_from_user of local stack [ 108.482644] lkdtm: attempting bad copy_from_user of distant stack # [ 108.460838] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 108.467218] lkdtm: good_stack: c5a93e0c-c5a93e2c # [ 108.471923] lkdtm: bad_stack : c5a93d84-c5a93da4 # [ 108.476567] lkdtm: attempting good copy_from_user of local stack # [ 108.482644] 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 [ 108.892563] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 108.898595] lkdtm: good_stack: c2eebe0c-c2eebe2c [ 108.903399] lkdtm: bad_stack : c2eebffc-c2eec01c [ 108.908075] lkdtm: attempting good copy_to_user of local stack [ 108.914028] lkdtm: attempting bad copy_to_user of distant stack # [ 108.892563] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 108.898595] lkdtm: good_stack: c2eebe0c-c2eebe2c # [ 108.903399] lkdtm: bad_stack : c2eebffc-c2eec01c # [ 108.908075] lkdtm: attempting good copy_to_user of local stack # [ 108.914028] 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 [ 109.345932] lkdtm: Performing direct entry USERCOPY_KERNEL [ 109.351511] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 [ 109.358614] lkdtm: attempting bad copy_to_user from kernel text: c053af58 [ 109.365555] lkdtm: FAIL: survived bad copy_to_user() # [ 109.345932] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 109.351511] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90 # [ 109.358614] lkdtm: attempting bad copy_to_user from kernel text: c053af58 # [ 109.365555] 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 [ 109.805443] lkdtm: Performing direct entry STACKLEAK_ERASING [ 109.811253] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 109.818290] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 109.825244] lkdtm: FAIL: the thread stack is NOT properly erased [ 109.831375] CPU: 0 PID: 3531 Comm: cat Tainted: G D W 5.10.172-cip27 #1 [ 109.839138] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 109.845670] Backtrace: [ 109.848147] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 109.855726] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 [ 109.861399] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 109.868726] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 109.877260] r9:c1accc3c r8:c15e88e4 r7:c2eebf60 r6:c2eebe34 r5:c2eea000 r4:0000078d [ 109.885018] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.893810] r8:c15e88e4 r7:c2eebf60 r6:00000012 r5:c5cc0000 r4:00000046 [ 109.900523] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.908540] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.916466] r9:c2eebf60 r8:c3025d80 r7:00000012 r6:b6e26000 r5:c5d5f7c0 r4:c0c35778 [ 109.924225] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.932064] r9:c07e17e8 r8:c2eebf60 r7:c2815800 r6:b6e26000 r5:c5d5f7c0 r4:00000000 [ 109.939817] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.946962] r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c2eea000 r5:c5d5f7c0 [ 109.954796] r4:c5d5f7c0 [ 109.957341] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.964486] r9:c2eea000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:00000012 r4:00000012 [ 109.972243] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.979817] Exception stack(0xc2eebfa8 to 0xc2eebff0) [ 109.984879] bfa0: 00000012 00000012 00000001 b6e26000 00000012 00000000 [ 109.993067] bfc0: 00000012 00000012 b6f6de00 00000004 00000001 00000000 00020000 beaaba64 [ 110.001250] bfe0: 00000004 beaab798 b6ed84cf b6e5e7e6 # [ 109.805443] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 109.811253] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 109.818290] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 109.825244] lkdtm: FAIL: the thread stack is NOT properly erased # [ 109.831375] CPU: 0 PID: 3531 Comm: cat Tainted: G D W 5.10.172-cip27 #1 # [ 109.839138] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.845670] Backtrace: # [ 109.848147] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 109.855726] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978 # [ 109.861399] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 109.868726] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 109.877260] r9:c1accc3c r8:c15e88e4 r7:c2eebf60 r6:c2eebe34 r5:c2eea000 r4:0000078d # [ 109.885018] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.893810] r8:c15e88e4 r7:c2eebf60 r6:00000012 r5:c5cc0000 r4:00000046 # [ 109.900523] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.908540] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.916466] r9:c2eebf60 r8:c3025d80 r7:00000012 r6:b6e26000 r5:c5d5f7c0 r4:c0c35778 # [ 109.924225] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.932064] r9:c07e17e8 r8:c2eebf60 r7:c2815800 r6:b6e26000 r5:c5d5f7c0 r4:00000000 # [ 109.939817] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.946962] r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c2eea000 r5:c5d5f7c0 # [ 109.954796] r4:c5d5f7c0 # [ 109.957341] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.964486] r9:c2eea000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:00000012 r4:00000012 # [ 109.972243] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.979817] Exception stack(0xc2eebfa8 to 0xc2eebff0) # [ 109.984879] bfa0: 00000012 00000012 00000001 b6e26000 00000012 00000000 # [ 109.993067] bfc0: 00000012 00000012 b6f6de00 00000004 00000001 00000000 00020000 beaaba64 # [ 110.001250] bfe0: 00000004 beaab798 b6ed84cf b6e5e7e6 # 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 [ 110.429791] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 110.435470] lkdtm: Calling matched prototype ... [ 110.440138] lkdtm: Calling mismatched prototype ... [ 110.445027] lkdtm: Fail: survived mismatched prototype function call! # [ 110.429791] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 110.435470] lkdtm: Calling matched prototype ... # [ 110.440138] lkdtm: Calling mismatched prototype ... # [ 110.445027] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #